PackageManagerService.java revision c2e96d45d27ab1465aaef89c1a3161708c714bcd
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_DUPLICATE_PACKAGE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 40import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 45import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 46import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 47import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 48import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 50import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 51import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 52import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 53import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 54import static android.content.pm.PackageManager.INSTALL_INTERNAL; 55import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 61import static android.content.pm.PackageManager.MATCH_ALL; 62import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 63import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 65import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 66import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 67import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 68import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 69import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 70import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 71import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 72import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 73import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 74import static android.content.pm.PackageManager.PERMISSION_DENIED; 75import static android.content.pm.PackageManager.PERMISSION_GRANTED; 76import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 77import static android.content.pm.PackageParser.isApkFile; 78import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 79import static android.system.OsConstants.O_CREAT; 80import static android.system.OsConstants.O_RDWR; 81 82import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 83import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 84import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 85import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 86import static com.android.internal.util.ArrayUtils.appendInt; 87import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 88import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 89import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 90import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 91import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 92import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 93import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 94import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 95import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 96import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 97import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 99 100import android.Manifest; 101import android.annotation.NonNull; 102import android.annotation.Nullable; 103import android.app.ActivityManager; 104import android.app.ActivityManagerNative; 105import android.app.IActivityManager; 106import android.app.ResourcesManager; 107import android.app.admin.IDevicePolicyManager; 108import android.app.admin.SecurityLog; 109import android.app.backup.IBackupManager; 110import android.content.BroadcastReceiver; 111import android.content.ComponentName; 112import android.content.Context; 113import android.content.IIntentReceiver; 114import android.content.Intent; 115import android.content.IntentFilter; 116import android.content.IntentSender; 117import android.content.IntentSender.SendIntentException; 118import android.content.ServiceConnection; 119import android.content.pm.ActivityInfo; 120import android.content.pm.ApplicationInfo; 121import android.content.pm.AppsQueryHelper; 122import android.content.pm.ComponentInfo; 123import android.content.pm.EphemeralApplicationInfo; 124import android.content.pm.EphemeralResolveInfo; 125import android.content.pm.EphemeralResolveInfo.EphemeralDigest; 126import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 127import android.content.pm.FeatureInfo; 128import android.content.pm.IOnPermissionsChangeListener; 129import android.content.pm.IPackageDataObserver; 130import android.content.pm.IPackageDeleteObserver; 131import android.content.pm.IPackageDeleteObserver2; 132import android.content.pm.IPackageInstallObserver2; 133import android.content.pm.IPackageInstaller; 134import android.content.pm.IPackageManager; 135import android.content.pm.IPackageMoveObserver; 136import android.content.pm.IPackageStatsObserver; 137import android.content.pm.InstrumentationInfo; 138import android.content.pm.IntentFilterVerificationInfo; 139import android.content.pm.KeySet; 140import android.content.pm.PackageCleanItem; 141import android.content.pm.PackageInfo; 142import android.content.pm.PackageInfoLite; 143import android.content.pm.PackageInstaller; 144import android.content.pm.PackageManager; 145import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 146import android.content.pm.PackageManagerInternal; 147import android.content.pm.PackageParser; 148import android.content.pm.PackageParser.ActivityIntentInfo; 149import android.content.pm.PackageParser.PackageLite; 150import android.content.pm.PackageParser.PackageParserException; 151import android.content.pm.PackageStats; 152import android.content.pm.PackageUserState; 153import android.content.pm.ParceledListSlice; 154import android.content.pm.PermissionGroupInfo; 155import android.content.pm.PermissionInfo; 156import android.content.pm.ProviderInfo; 157import android.content.pm.ResolveInfo; 158import android.content.pm.ServiceInfo; 159import android.content.pm.Signature; 160import android.content.pm.UserInfo; 161import android.content.pm.VerifierDeviceIdentity; 162import android.content.pm.VerifierInfo; 163import android.content.res.Resources; 164import android.graphics.Bitmap; 165import android.hardware.display.DisplayManager; 166import android.net.Uri; 167import android.os.Binder; 168import android.os.Build; 169import android.os.Bundle; 170import android.os.Debug; 171import android.os.Environment; 172import android.os.Environment.UserEnvironment; 173import android.os.FileUtils; 174import android.os.Handler; 175import android.os.IBinder; 176import android.os.Looper; 177import android.os.Message; 178import android.os.Parcel; 179import android.os.ParcelFileDescriptor; 180import android.os.PatternMatcher; 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.UserManagerInternal; 193import android.os.storage.IMountService; 194import android.os.storage.MountServiceInternal; 195import android.os.storage.StorageEventListener; 196import android.os.storage.StorageManager; 197import android.os.storage.VolumeInfo; 198import android.os.storage.VolumeRecord; 199import android.provider.Settings.Global; 200import android.provider.Settings.Secure; 201import android.security.KeyStore; 202import android.security.SystemKeyStore; 203import android.system.ErrnoException; 204import android.system.Os; 205import android.text.TextUtils; 206import android.text.format.DateUtils; 207import android.util.ArrayMap; 208import android.util.ArraySet; 209import android.util.DisplayMetrics; 210import android.util.EventLog; 211import android.util.ExceptionUtils; 212import android.util.Log; 213import android.util.LogPrinter; 214import android.util.MathUtils; 215import android.util.Pair; 216import android.util.PrintStreamPrinter; 217import android.util.Slog; 218import android.util.SparseArray; 219import android.util.SparseBooleanArray; 220import android.util.SparseIntArray; 221import android.util.Xml; 222import android.util.jar.StrictJarFile; 223import android.view.Display; 224 225import com.android.internal.R; 226import com.android.internal.annotations.GuardedBy; 227import com.android.internal.app.IMediaContainerService; 228import com.android.internal.app.ResolverActivity; 229import com.android.internal.content.NativeLibraryHelper; 230import com.android.internal.content.PackageHelper; 231import com.android.internal.logging.MetricsLogger; 232import com.android.internal.os.IParcelFileDescriptorFactory; 233import com.android.internal.os.InstallerConnection.InstallerException; 234import com.android.internal.os.SomeArgs; 235import com.android.internal.os.Zygote; 236import com.android.internal.telephony.CarrierAppUtils; 237import com.android.internal.util.ArrayUtils; 238import com.android.internal.util.FastPrintWriter; 239import com.android.internal.util.FastXmlSerializer; 240import com.android.internal.util.IndentingPrintWriter; 241import com.android.internal.util.Preconditions; 242import com.android.internal.util.XmlUtils; 243import com.android.server.AttributeCache; 244import com.android.server.EventLogTags; 245import com.android.server.FgThread; 246import com.android.server.IntentResolver; 247import com.android.server.LocalServices; 248import com.android.server.ServiceThread; 249import com.android.server.SystemConfig; 250import com.android.server.Watchdog; 251import com.android.server.net.NetworkPolicyManagerInternal; 252import com.android.server.pm.PermissionsState.PermissionState; 253import com.android.server.pm.Settings.DatabaseVersion; 254import com.android.server.pm.Settings.VersionInfo; 255import com.android.server.storage.DeviceStorageMonitorInternal; 256 257import dalvik.system.CloseGuard; 258import dalvik.system.DexFile; 259import dalvik.system.VMRuntime; 260 261import libcore.io.IoUtils; 262import libcore.util.EmptyArray; 263 264import org.xmlpull.v1.XmlPullParser; 265import org.xmlpull.v1.XmlPullParserException; 266import org.xmlpull.v1.XmlSerializer; 267 268import java.io.BufferedOutputStream; 269import java.io.BufferedReader; 270import java.io.ByteArrayInputStream; 271import java.io.ByteArrayOutputStream; 272import java.io.File; 273import java.io.FileDescriptor; 274import java.io.FileInputStream; 275import java.io.FileNotFoundException; 276import java.io.FileOutputStream; 277import java.io.FileReader; 278import java.io.FilenameFilter; 279import java.io.IOException; 280import java.io.PrintWriter; 281import java.nio.charset.StandardCharsets; 282import java.security.DigestInputStream; 283import java.security.MessageDigest; 284import java.security.NoSuchAlgorithmException; 285import java.security.PublicKey; 286import java.security.cert.Certificate; 287import java.security.cert.CertificateEncodingException; 288import java.security.cert.CertificateException; 289import java.text.SimpleDateFormat; 290import java.util.ArrayList; 291import java.util.Arrays; 292import java.util.Collection; 293import java.util.Collections; 294import java.util.Comparator; 295import java.util.Date; 296import java.util.HashSet; 297import java.util.Iterator; 298import java.util.List; 299import java.util.Map; 300import java.util.Objects; 301import java.util.Set; 302import java.util.concurrent.CountDownLatch; 303import java.util.concurrent.TimeUnit; 304import java.util.concurrent.atomic.AtomicBoolean; 305import java.util.concurrent.atomic.AtomicInteger; 306 307/** 308 * Keep track of all those APKs everywhere. 309 * <p> 310 * Internally there are two important locks: 311 * <ul> 312 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 313 * and other related state. It is a fine-grained lock that should only be held 314 * momentarily, as it's one of the most contended locks in the system. 315 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 316 * operations typically involve heavy lifting of application data on disk. Since 317 * {@code installd} is single-threaded, and it's operations can often be slow, 318 * this lock should never be acquired while already holding {@link #mPackages}. 319 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 320 * holding {@link #mInstallLock}. 321 * </ul> 322 * Many internal methods rely on the caller to hold the appropriate locks, and 323 * this contract is expressed through method name suffixes: 324 * <ul> 325 * <li>fooLI(): the caller must hold {@link #mInstallLock} 326 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 327 * being modified must be frozen 328 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 329 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 330 * </ul> 331 * <p> 332 * Because this class is very central to the platform's security; please run all 333 * CTS and unit tests whenever making modifications: 334 * 335 * <pre> 336 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 337 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 338 * </pre> 339 */ 340public class PackageManagerService extends IPackageManager.Stub { 341 static final String TAG = "PackageManager"; 342 static final boolean DEBUG_SETTINGS = false; 343 static final boolean DEBUG_PREFERRED = false; 344 static final boolean DEBUG_UPGRADE = false; 345 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 346 private static final boolean DEBUG_BACKUP = false; 347 private static final boolean DEBUG_INSTALL = false; 348 private static final boolean DEBUG_REMOVE = false; 349 private static final boolean DEBUG_BROADCASTS = false; 350 private static final boolean DEBUG_SHOW_INFO = false; 351 private static final boolean DEBUG_PACKAGE_INFO = false; 352 private static final boolean DEBUG_INTENT_MATCHING = false; 353 private static final boolean DEBUG_PACKAGE_SCANNING = false; 354 private static final boolean DEBUG_VERIFY = false; 355 private static final boolean DEBUG_FILTERS = false; 356 357 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 358 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 359 // user, but by default initialize to this. 360 static final boolean DEBUG_DEXOPT = false; 361 362 private static final boolean DEBUG_ABI_SELECTION = false; 363 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 364 private static final boolean DEBUG_TRIAGED_MISSING = false; 365 private static final boolean DEBUG_APP_DATA = false; 366 367 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 368 369 // STOPSHIP; b/30256615 370 private static final boolean DISABLE_EPHEMERAL_APPS = !Build.IS_DEBUGGABLE; 371 372 private static final int RADIO_UID = Process.PHONE_UID; 373 private static final int LOG_UID = Process.LOG_UID; 374 private static final int NFC_UID = Process.NFC_UID; 375 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 376 private static final int SHELL_UID = Process.SHELL_UID; 377 378 // Cap the size of permission trees that 3rd party apps can define 379 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 380 381 // Suffix used during package installation when copying/moving 382 // package apks to install directory. 383 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 384 385 static final int SCAN_NO_DEX = 1<<1; 386 static final int SCAN_FORCE_DEX = 1<<2; 387 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 388 static final int SCAN_NEW_INSTALL = 1<<4; 389 static final int SCAN_NO_PATHS = 1<<5; 390 static final int SCAN_UPDATE_TIME = 1<<6; 391 static final int SCAN_DEFER_DEX = 1<<7; 392 static final int SCAN_BOOTING = 1<<8; 393 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 394 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 395 static final int SCAN_REPLACING = 1<<11; 396 static final int SCAN_REQUIRE_KNOWN = 1<<12; 397 static final int SCAN_MOVE = 1<<13; 398 static final int SCAN_INITIAL = 1<<14; 399 static final int SCAN_CHECK_ONLY = 1<<15; 400 static final int SCAN_DONT_KILL_APP = 1<<17; 401 static final int SCAN_IGNORE_FROZEN = 1<<18; 402 403 static final int REMOVE_CHATTY = 1<<16; 404 405 private static final int[] EMPTY_INT_ARRAY = new int[0]; 406 407 /** 408 * Timeout (in milliseconds) after which the watchdog should declare that 409 * our handler thread is wedged. The usual default for such things is one 410 * minute but we sometimes do very lengthy I/O operations on this thread, 411 * such as installing multi-gigabyte applications, so ours needs to be longer. 412 */ 413 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 414 415 /** 416 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 417 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 418 * settings entry if available, otherwise we use the hardcoded default. If it's been 419 * more than this long since the last fstrim, we force one during the boot sequence. 420 * 421 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 422 * one gets run at the next available charging+idle time. This final mandatory 423 * no-fstrim check kicks in only of the other scheduling criteria is never met. 424 */ 425 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 426 427 /** 428 * Whether verification is enabled by default. 429 */ 430 private static final boolean DEFAULT_VERIFY_ENABLE = true; 431 432 /** 433 * The default maximum time to wait for the verification agent to return in 434 * milliseconds. 435 */ 436 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 437 438 /** 439 * The default response for package verification timeout. 440 * 441 * This can be either PackageManager.VERIFICATION_ALLOW or 442 * PackageManager.VERIFICATION_REJECT. 443 */ 444 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 445 446 static final String PLATFORM_PACKAGE_NAME = "android"; 447 448 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 449 450 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 451 DEFAULT_CONTAINER_PACKAGE, 452 "com.android.defcontainer.DefaultContainerService"); 453 454 private static final String KILL_APP_REASON_GIDS_CHANGED = 455 "permission grant or revoke changed gids"; 456 457 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 458 "permissions revoked"; 459 460 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 461 462 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 463 464 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_MASK = 0xFFFFF000; 465 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT = 5; 466 467 /** Permission grant: not grant the permission. */ 468 private static final int GRANT_DENIED = 1; 469 470 /** Permission grant: grant the permission as an install permission. */ 471 private static final int GRANT_INSTALL = 2; 472 473 /** Permission grant: grant the permission as a runtime one. */ 474 private static final int GRANT_RUNTIME = 3; 475 476 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 477 private static final int GRANT_UPGRADE = 4; 478 479 /** Canonical intent used to identify what counts as a "web browser" app */ 480 private static final Intent sBrowserIntent; 481 static { 482 sBrowserIntent = new Intent(); 483 sBrowserIntent.setAction(Intent.ACTION_VIEW); 484 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 485 sBrowserIntent.setData(Uri.parse("http:")); 486 } 487 488 /** 489 * The set of all protected actions [i.e. those actions for which a high priority 490 * intent filter is disallowed]. 491 */ 492 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 493 static { 494 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 495 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 496 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 497 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 498 } 499 500 // Compilation reasons. 501 public static final int REASON_FIRST_BOOT = 0; 502 public static final int REASON_BOOT = 1; 503 public static final int REASON_INSTALL = 2; 504 public static final int REASON_BACKGROUND_DEXOPT = 3; 505 public static final int REASON_AB_OTA = 4; 506 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 507 public static final int REASON_SHARED_APK = 6; 508 public static final int REASON_FORCED_DEXOPT = 7; 509 public static final int REASON_CORE_APP = 8; 510 511 public static final int REASON_LAST = REASON_CORE_APP; 512 513 /** Special library name that skips shared libraries check during compilation. */ 514 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 515 516 final ServiceThread mHandlerThread; 517 518 final PackageHandler mHandler; 519 520 private final ProcessLoggingHandler mProcessLoggingHandler; 521 522 /** 523 * Messages for {@link #mHandler} that need to wait for system ready before 524 * being dispatched. 525 */ 526 private ArrayList<Message> mPostSystemReadyMessages; 527 528 final int mSdkVersion = Build.VERSION.SDK_INT; 529 530 final Context mContext; 531 final boolean mFactoryTest; 532 final boolean mOnlyCore; 533 final DisplayMetrics mMetrics; 534 final int mDefParseFlags; 535 final String[] mSeparateProcesses; 536 final boolean mIsUpgrade; 537 final boolean mIsPreNUpgrade; 538 final boolean mIsPreNMR1Upgrade; 539 540 /** The location for ASEC container files on internal storage. */ 541 final String mAsecInternalPath; 542 543 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 544 // LOCK HELD. Can be called with mInstallLock held. 545 @GuardedBy("mInstallLock") 546 final Installer mInstaller; 547 548 /** Directory where installed third-party apps stored */ 549 final File mAppInstallDir; 550 final File mEphemeralInstallDir; 551 552 /** 553 * Directory to which applications installed internally have their 554 * 32 bit native libraries copied. 555 */ 556 private File mAppLib32InstallDir; 557 558 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 559 // apps. 560 final File mDrmAppPrivateInstallDir; 561 562 // ---------------------------------------------------------------- 563 564 // Lock for state used when installing and doing other long running 565 // operations. Methods that must be called with this lock held have 566 // the suffix "LI". 567 final Object mInstallLock = new Object(); 568 569 // ---------------------------------------------------------------- 570 571 // Keys are String (package name), values are Package. This also serves 572 // as the lock for the global state. Methods that must be called with 573 // this lock held have the prefix "LP". 574 @GuardedBy("mPackages") 575 final ArrayMap<String, PackageParser.Package> mPackages = 576 new ArrayMap<String, PackageParser.Package>(); 577 578 final ArrayMap<String, Set<String>> mKnownCodebase = 579 new ArrayMap<String, Set<String>>(); 580 581 // Tracks available target package names -> overlay package paths. 582 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 583 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 584 585 /** 586 * Tracks new system packages [received in an OTA] that we expect to 587 * find updated user-installed versions. Keys are package name, values 588 * are package location. 589 */ 590 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 591 /** 592 * Tracks high priority intent filters for protected actions. During boot, certain 593 * filter actions are protected and should never be allowed to have a high priority 594 * intent filter for them. However, there is one, and only one exception -- the 595 * setup wizard. It must be able to define a high priority intent filter for these 596 * actions to ensure there are no escapes from the wizard. We need to delay processing 597 * of these during boot as we need to look at all of the system packages in order 598 * to know which component is the setup wizard. 599 */ 600 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 601 /** 602 * Whether or not processing protected filters should be deferred. 603 */ 604 private boolean mDeferProtectedFilters = true; 605 606 /** 607 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 608 */ 609 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 610 /** 611 * Whether or not system app permissions should be promoted from install to runtime. 612 */ 613 boolean mPromoteSystemApps; 614 615 @GuardedBy("mPackages") 616 final Settings mSettings; 617 618 /** 619 * Set of package names that are currently "frozen", which means active 620 * surgery is being done on the code/data for that package. The platform 621 * will refuse to launch frozen packages to avoid race conditions. 622 * 623 * @see PackageFreezer 624 */ 625 @GuardedBy("mPackages") 626 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 627 628 final ProtectedPackages mProtectedPackages; 629 630 boolean mFirstBoot; 631 632 // System configuration read by SystemConfig. 633 final int[] mGlobalGids; 634 final SparseArray<ArraySet<String>> mSystemPermissions; 635 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 636 637 // If mac_permissions.xml was found for seinfo labeling. 638 boolean mFoundPolicyFile; 639 640 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 641 642 public static final class SharedLibraryEntry { 643 public final String path; 644 public final String apk; 645 646 SharedLibraryEntry(String _path, String _apk) { 647 path = _path; 648 apk = _apk; 649 } 650 } 651 652 // Currently known shared libraries. 653 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 654 new ArrayMap<String, SharedLibraryEntry>(); 655 656 // All available activities, for your resolving pleasure. 657 final ActivityIntentResolver mActivities = 658 new ActivityIntentResolver(); 659 660 // All available receivers, for your resolving pleasure. 661 final ActivityIntentResolver mReceivers = 662 new ActivityIntentResolver(); 663 664 // All available services, for your resolving pleasure. 665 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 666 667 // All available providers, for your resolving pleasure. 668 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 669 670 // Mapping from provider base names (first directory in content URI codePath) 671 // to the provider information. 672 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 673 new ArrayMap<String, PackageParser.Provider>(); 674 675 // Mapping from instrumentation class names to info about them. 676 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 677 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 678 679 // Mapping from permission names to info about them. 680 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 681 new ArrayMap<String, PackageParser.PermissionGroup>(); 682 683 // Packages whose data we have transfered into another package, thus 684 // should no longer exist. 685 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 686 687 // Broadcast actions that are only available to the system. 688 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 689 690 /** List of packages waiting for verification. */ 691 final SparseArray<PackageVerificationState> mPendingVerification 692 = new SparseArray<PackageVerificationState>(); 693 694 /** Set of packages associated with each app op permission. */ 695 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 696 697 final PackageInstallerService mInstallerService; 698 699 private final PackageDexOptimizer mPackageDexOptimizer; 700 701 private AtomicInteger mNextMoveId = new AtomicInteger(); 702 private final MoveCallbacks mMoveCallbacks; 703 704 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 705 706 // Cache of users who need badging. 707 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 708 709 /** Token for keys in mPendingVerification. */ 710 private int mPendingVerificationToken = 0; 711 712 volatile boolean mSystemReady; 713 volatile boolean mSafeMode; 714 volatile boolean mHasSystemUidErrors; 715 716 ApplicationInfo mAndroidApplication; 717 final ActivityInfo mResolveActivity = new ActivityInfo(); 718 final ResolveInfo mResolveInfo = new ResolveInfo(); 719 ComponentName mResolveComponentName; 720 PackageParser.Package mPlatformPackage; 721 ComponentName mCustomResolverComponentName; 722 723 boolean mResolverReplaced = false; 724 725 private final @Nullable ComponentName mIntentFilterVerifierComponent; 726 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 727 728 private int mIntentFilterVerificationToken = 0; 729 730 /** Component that knows whether or not an ephemeral application exists */ 731 final ComponentName mEphemeralResolverComponent; 732 /** The service connection to the ephemeral resolver */ 733 final EphemeralResolverConnection mEphemeralResolverConnection; 734 735 /** Component used to install ephemeral applications */ 736 final ComponentName mEphemeralInstallerComponent; 737 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 738 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 739 740 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 741 = new SparseArray<IntentFilterVerificationState>(); 742 743 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 744 745 // List of packages names to keep cached, even if they are uninstalled for all users 746 private List<String> mKeepUninstalledPackages; 747 748 private UserManagerInternal mUserManagerInternal; 749 750 private static class IFVerificationParams { 751 PackageParser.Package pkg; 752 boolean replacing; 753 int userId; 754 int verifierUid; 755 756 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 757 int _userId, int _verifierUid) { 758 pkg = _pkg; 759 replacing = _replacing; 760 userId = _userId; 761 replacing = _replacing; 762 verifierUid = _verifierUid; 763 } 764 } 765 766 private interface IntentFilterVerifier<T extends IntentFilter> { 767 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 768 T filter, String packageName); 769 void startVerifications(int userId); 770 void receiveVerificationResponse(int verificationId); 771 } 772 773 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 774 private Context mContext; 775 private ComponentName mIntentFilterVerifierComponent; 776 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 777 778 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 779 mContext = context; 780 mIntentFilterVerifierComponent = verifierComponent; 781 } 782 783 private String getDefaultScheme() { 784 return IntentFilter.SCHEME_HTTPS; 785 } 786 787 @Override 788 public void startVerifications(int userId) { 789 // Launch verifications requests 790 int count = mCurrentIntentFilterVerifications.size(); 791 for (int n=0; n<count; n++) { 792 int verificationId = mCurrentIntentFilterVerifications.get(n); 793 final IntentFilterVerificationState ivs = 794 mIntentFilterVerificationStates.get(verificationId); 795 796 String packageName = ivs.getPackageName(); 797 798 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 799 final int filterCount = filters.size(); 800 ArraySet<String> domainsSet = new ArraySet<>(); 801 for (int m=0; m<filterCount; m++) { 802 PackageParser.ActivityIntentInfo filter = filters.get(m); 803 domainsSet.addAll(filter.getHostsList()); 804 } 805 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 806 synchronized (mPackages) { 807 if (mSettings.createIntentFilterVerificationIfNeededLPw( 808 packageName, domainsList) != null) { 809 scheduleWriteSettingsLocked(); 810 } 811 } 812 sendVerificationRequest(userId, verificationId, ivs); 813 } 814 mCurrentIntentFilterVerifications.clear(); 815 } 816 817 private void sendVerificationRequest(int userId, int verificationId, 818 IntentFilterVerificationState ivs) { 819 820 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 821 verificationIntent.putExtra( 822 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 823 verificationId); 824 verificationIntent.putExtra( 825 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 826 getDefaultScheme()); 827 verificationIntent.putExtra( 828 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 829 ivs.getHostsString()); 830 verificationIntent.putExtra( 831 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 832 ivs.getPackageName()); 833 verificationIntent.setComponent(mIntentFilterVerifierComponent); 834 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 835 836 UserHandle user = new UserHandle(userId); 837 mContext.sendBroadcastAsUser(verificationIntent, user); 838 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 839 "Sending IntentFilter verification broadcast"); 840 } 841 842 public void receiveVerificationResponse(int verificationId) { 843 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 844 845 final boolean verified = ivs.isVerified(); 846 847 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 848 final int count = filters.size(); 849 if (DEBUG_DOMAIN_VERIFICATION) { 850 Slog.i(TAG, "Received verification response " + verificationId 851 + " for " + count + " filters, verified=" + verified); 852 } 853 for (int n=0; n<count; n++) { 854 PackageParser.ActivityIntentInfo filter = filters.get(n); 855 filter.setVerified(verified); 856 857 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 858 + " verified with result:" + verified + " and hosts:" 859 + ivs.getHostsString()); 860 } 861 862 mIntentFilterVerificationStates.remove(verificationId); 863 864 final String packageName = ivs.getPackageName(); 865 IntentFilterVerificationInfo ivi = null; 866 867 synchronized (mPackages) { 868 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 869 } 870 if (ivi == null) { 871 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 872 + verificationId + " packageName:" + packageName); 873 return; 874 } 875 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 876 "Updating IntentFilterVerificationInfo for package " + packageName 877 +" verificationId:" + verificationId); 878 879 synchronized (mPackages) { 880 if (verified) { 881 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 882 } else { 883 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 884 } 885 scheduleWriteSettingsLocked(); 886 887 final int userId = ivs.getUserId(); 888 if (userId != UserHandle.USER_ALL) { 889 final int userStatus = 890 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 891 892 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 893 boolean needUpdate = false; 894 895 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 896 // already been set by the User thru the Disambiguation dialog 897 switch (userStatus) { 898 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 899 if (verified) { 900 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 901 } else { 902 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 903 } 904 needUpdate = true; 905 break; 906 907 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 908 if (verified) { 909 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 910 needUpdate = true; 911 } 912 break; 913 914 default: 915 // Nothing to do 916 } 917 918 if (needUpdate) { 919 mSettings.updateIntentFilterVerificationStatusLPw( 920 packageName, updatedStatus, userId); 921 scheduleWritePackageRestrictionsLocked(userId); 922 } 923 } 924 } 925 } 926 927 @Override 928 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 929 ActivityIntentInfo filter, String packageName) { 930 if (!hasValidDomains(filter)) { 931 return false; 932 } 933 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 934 if (ivs == null) { 935 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 936 packageName); 937 } 938 if (DEBUG_DOMAIN_VERIFICATION) { 939 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 940 } 941 ivs.addFilter(filter); 942 return true; 943 } 944 945 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 946 int userId, int verificationId, String packageName) { 947 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 948 verifierUid, userId, packageName); 949 ivs.setPendingState(); 950 synchronized (mPackages) { 951 mIntentFilterVerificationStates.append(verificationId, ivs); 952 mCurrentIntentFilterVerifications.add(verificationId); 953 } 954 return ivs; 955 } 956 } 957 958 private static boolean hasValidDomains(ActivityIntentInfo filter) { 959 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 960 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 961 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 962 } 963 964 // Set of pending broadcasts for aggregating enable/disable of components. 965 static class PendingPackageBroadcasts { 966 // for each user id, a map of <package name -> components within that package> 967 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 968 969 public PendingPackageBroadcasts() { 970 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 971 } 972 973 public ArrayList<String> get(int userId, String packageName) { 974 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 975 return packages.get(packageName); 976 } 977 978 public void put(int userId, String packageName, ArrayList<String> components) { 979 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 980 packages.put(packageName, components); 981 } 982 983 public void remove(int userId, String packageName) { 984 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 985 if (packages != null) { 986 packages.remove(packageName); 987 } 988 } 989 990 public void remove(int userId) { 991 mUidMap.remove(userId); 992 } 993 994 public int userIdCount() { 995 return mUidMap.size(); 996 } 997 998 public int userIdAt(int n) { 999 return mUidMap.keyAt(n); 1000 } 1001 1002 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1003 return mUidMap.get(userId); 1004 } 1005 1006 public int size() { 1007 // total number of pending broadcast entries across all userIds 1008 int num = 0; 1009 for (int i = 0; i< mUidMap.size(); i++) { 1010 num += mUidMap.valueAt(i).size(); 1011 } 1012 return num; 1013 } 1014 1015 public void clear() { 1016 mUidMap.clear(); 1017 } 1018 1019 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1020 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1021 if (map == null) { 1022 map = new ArrayMap<String, ArrayList<String>>(); 1023 mUidMap.put(userId, map); 1024 } 1025 return map; 1026 } 1027 } 1028 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1029 1030 // Service Connection to remote media container service to copy 1031 // package uri's from external media onto secure containers 1032 // or internal storage. 1033 private IMediaContainerService mContainerService = null; 1034 1035 static final int SEND_PENDING_BROADCAST = 1; 1036 static final int MCS_BOUND = 3; 1037 static final int END_COPY = 4; 1038 static final int INIT_COPY = 5; 1039 static final int MCS_UNBIND = 6; 1040 static final int START_CLEANING_PACKAGE = 7; 1041 static final int FIND_INSTALL_LOC = 8; 1042 static final int POST_INSTALL = 9; 1043 static final int MCS_RECONNECT = 10; 1044 static final int MCS_GIVE_UP = 11; 1045 static final int UPDATED_MEDIA_STATUS = 12; 1046 static final int WRITE_SETTINGS = 13; 1047 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1048 static final int PACKAGE_VERIFIED = 15; 1049 static final int CHECK_PENDING_VERIFICATION = 16; 1050 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1051 static final int INTENT_FILTER_VERIFIED = 18; 1052 static final int WRITE_PACKAGE_LIST = 19; 1053 1054 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1055 1056 // Delay time in millisecs 1057 static final int BROADCAST_DELAY = 10 * 1000; 1058 1059 static UserManagerService sUserManager; 1060 1061 // Stores a list of users whose package restrictions file needs to be updated 1062 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1063 1064 final private DefaultContainerConnection mDefContainerConn = 1065 new DefaultContainerConnection(); 1066 class DefaultContainerConnection implements ServiceConnection { 1067 public void onServiceConnected(ComponentName name, IBinder service) { 1068 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1069 IMediaContainerService imcs = 1070 IMediaContainerService.Stub.asInterface(service); 1071 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1072 } 1073 1074 public void onServiceDisconnected(ComponentName name) { 1075 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1076 } 1077 } 1078 1079 // Recordkeeping of restore-after-install operations that are currently in flight 1080 // between the Package Manager and the Backup Manager 1081 static class PostInstallData { 1082 public InstallArgs args; 1083 public PackageInstalledInfo res; 1084 1085 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1086 args = _a; 1087 res = _r; 1088 } 1089 } 1090 1091 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1092 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1093 1094 // XML tags for backup/restore of various bits of state 1095 private static final String TAG_PREFERRED_BACKUP = "pa"; 1096 private static final String TAG_DEFAULT_APPS = "da"; 1097 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1098 1099 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1100 private static final String TAG_ALL_GRANTS = "rt-grants"; 1101 private static final String TAG_GRANT = "grant"; 1102 private static final String ATTR_PACKAGE_NAME = "pkg"; 1103 1104 private static final String TAG_PERMISSION = "perm"; 1105 private static final String ATTR_PERMISSION_NAME = "name"; 1106 private static final String ATTR_IS_GRANTED = "g"; 1107 private static final String ATTR_USER_SET = "set"; 1108 private static final String ATTR_USER_FIXED = "fixed"; 1109 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1110 1111 // System/policy permission grants are not backed up 1112 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1113 FLAG_PERMISSION_POLICY_FIXED 1114 | FLAG_PERMISSION_SYSTEM_FIXED 1115 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1116 1117 // And we back up these user-adjusted states 1118 private static final int USER_RUNTIME_GRANT_MASK = 1119 FLAG_PERMISSION_USER_SET 1120 | FLAG_PERMISSION_USER_FIXED 1121 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1122 1123 final @Nullable String mRequiredVerifierPackage; 1124 final @NonNull String mRequiredInstallerPackage; 1125 final @Nullable String mSetupWizardPackage; 1126 final @NonNull String mServicesSystemSharedLibraryPackageName; 1127 final @NonNull String mSharedSystemSharedLibraryPackageName; 1128 1129 private final PackageUsage mPackageUsage = new PackageUsage(); 1130 private final CompilerStats mCompilerStats = new CompilerStats(); 1131 1132 class PackageHandler extends Handler { 1133 private boolean mBound = false; 1134 final ArrayList<HandlerParams> mPendingInstalls = 1135 new ArrayList<HandlerParams>(); 1136 1137 private boolean connectToService() { 1138 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1139 " DefaultContainerService"); 1140 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1141 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1142 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1143 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1144 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1145 mBound = true; 1146 return true; 1147 } 1148 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1149 return false; 1150 } 1151 1152 private void disconnectService() { 1153 mContainerService = null; 1154 mBound = false; 1155 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1156 mContext.unbindService(mDefContainerConn); 1157 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1158 } 1159 1160 PackageHandler(Looper looper) { 1161 super(looper); 1162 } 1163 1164 public void handleMessage(Message msg) { 1165 try { 1166 doHandleMessage(msg); 1167 } finally { 1168 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1169 } 1170 } 1171 1172 void doHandleMessage(Message msg) { 1173 switch (msg.what) { 1174 case INIT_COPY: { 1175 HandlerParams params = (HandlerParams) msg.obj; 1176 int idx = mPendingInstalls.size(); 1177 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1178 // If a bind was already initiated we dont really 1179 // need to do anything. The pending install 1180 // will be processed later on. 1181 if (!mBound) { 1182 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1183 System.identityHashCode(mHandler)); 1184 // If this is the only one pending we might 1185 // have to bind to the service again. 1186 if (!connectToService()) { 1187 Slog.e(TAG, "Failed to bind to media container service"); 1188 params.serviceError(); 1189 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1190 System.identityHashCode(mHandler)); 1191 if (params.traceMethod != null) { 1192 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1193 params.traceCookie); 1194 } 1195 return; 1196 } else { 1197 // Once we bind to the service, the first 1198 // pending request will be processed. 1199 mPendingInstalls.add(idx, params); 1200 } 1201 } else { 1202 mPendingInstalls.add(idx, params); 1203 // Already bound to the service. Just make 1204 // sure we trigger off processing the first request. 1205 if (idx == 0) { 1206 mHandler.sendEmptyMessage(MCS_BOUND); 1207 } 1208 } 1209 break; 1210 } 1211 case MCS_BOUND: { 1212 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1213 if (msg.obj != null) { 1214 mContainerService = (IMediaContainerService) msg.obj; 1215 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1216 System.identityHashCode(mHandler)); 1217 } 1218 if (mContainerService == null) { 1219 if (!mBound) { 1220 // Something seriously wrong since we are not bound and we are not 1221 // waiting for connection. Bail out. 1222 Slog.e(TAG, "Cannot bind to media container service"); 1223 for (HandlerParams params : mPendingInstalls) { 1224 // Indicate service bind error 1225 params.serviceError(); 1226 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1227 System.identityHashCode(params)); 1228 if (params.traceMethod != null) { 1229 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1230 params.traceMethod, params.traceCookie); 1231 } 1232 return; 1233 } 1234 mPendingInstalls.clear(); 1235 } else { 1236 Slog.w(TAG, "Waiting to connect to media container service"); 1237 } 1238 } else if (mPendingInstalls.size() > 0) { 1239 HandlerParams params = mPendingInstalls.get(0); 1240 if (params != null) { 1241 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1242 System.identityHashCode(params)); 1243 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1244 if (params.startCopy()) { 1245 // We are done... look for more work or to 1246 // go idle. 1247 if (DEBUG_SD_INSTALL) Log.i(TAG, 1248 "Checking for more work or unbind..."); 1249 // Delete pending install 1250 if (mPendingInstalls.size() > 0) { 1251 mPendingInstalls.remove(0); 1252 } 1253 if (mPendingInstalls.size() == 0) { 1254 if (mBound) { 1255 if (DEBUG_SD_INSTALL) Log.i(TAG, 1256 "Posting delayed MCS_UNBIND"); 1257 removeMessages(MCS_UNBIND); 1258 Message ubmsg = obtainMessage(MCS_UNBIND); 1259 // Unbind after a little delay, to avoid 1260 // continual thrashing. 1261 sendMessageDelayed(ubmsg, 10000); 1262 } 1263 } else { 1264 // There are more pending requests in queue. 1265 // Just post MCS_BOUND message to trigger processing 1266 // of next pending install. 1267 if (DEBUG_SD_INSTALL) Log.i(TAG, 1268 "Posting MCS_BOUND for next work"); 1269 mHandler.sendEmptyMessage(MCS_BOUND); 1270 } 1271 } 1272 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1273 } 1274 } else { 1275 // Should never happen ideally. 1276 Slog.w(TAG, "Empty queue"); 1277 } 1278 break; 1279 } 1280 case MCS_RECONNECT: { 1281 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1282 if (mPendingInstalls.size() > 0) { 1283 if (mBound) { 1284 disconnectService(); 1285 } 1286 if (!connectToService()) { 1287 Slog.e(TAG, "Failed to bind to media container service"); 1288 for (HandlerParams params : mPendingInstalls) { 1289 // Indicate service bind error 1290 params.serviceError(); 1291 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1292 System.identityHashCode(params)); 1293 } 1294 mPendingInstalls.clear(); 1295 } 1296 } 1297 break; 1298 } 1299 case MCS_UNBIND: { 1300 // If there is no actual work left, then time to unbind. 1301 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1302 1303 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1304 if (mBound) { 1305 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1306 1307 disconnectService(); 1308 } 1309 } else if (mPendingInstalls.size() > 0) { 1310 // There are more pending requests in queue. 1311 // Just post MCS_BOUND message to trigger processing 1312 // of next pending install. 1313 mHandler.sendEmptyMessage(MCS_BOUND); 1314 } 1315 1316 break; 1317 } 1318 case MCS_GIVE_UP: { 1319 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1320 HandlerParams params = mPendingInstalls.remove(0); 1321 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1322 System.identityHashCode(params)); 1323 break; 1324 } 1325 case SEND_PENDING_BROADCAST: { 1326 String packages[]; 1327 ArrayList<String> components[]; 1328 int size = 0; 1329 int uids[]; 1330 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1331 synchronized (mPackages) { 1332 if (mPendingBroadcasts == null) { 1333 return; 1334 } 1335 size = mPendingBroadcasts.size(); 1336 if (size <= 0) { 1337 // Nothing to be done. Just return 1338 return; 1339 } 1340 packages = new String[size]; 1341 components = new ArrayList[size]; 1342 uids = new int[size]; 1343 int i = 0; // filling out the above arrays 1344 1345 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1346 int packageUserId = mPendingBroadcasts.userIdAt(n); 1347 Iterator<Map.Entry<String, ArrayList<String>>> it 1348 = mPendingBroadcasts.packagesForUserId(packageUserId) 1349 .entrySet().iterator(); 1350 while (it.hasNext() && i < size) { 1351 Map.Entry<String, ArrayList<String>> ent = it.next(); 1352 packages[i] = ent.getKey(); 1353 components[i] = ent.getValue(); 1354 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1355 uids[i] = (ps != null) 1356 ? UserHandle.getUid(packageUserId, ps.appId) 1357 : -1; 1358 i++; 1359 } 1360 } 1361 size = i; 1362 mPendingBroadcasts.clear(); 1363 } 1364 // Send broadcasts 1365 for (int i = 0; i < size; i++) { 1366 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1367 } 1368 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1369 break; 1370 } 1371 case START_CLEANING_PACKAGE: { 1372 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1373 final String packageName = (String)msg.obj; 1374 final int userId = msg.arg1; 1375 final boolean andCode = msg.arg2 != 0; 1376 synchronized (mPackages) { 1377 if (userId == UserHandle.USER_ALL) { 1378 int[] users = sUserManager.getUserIds(); 1379 for (int user : users) { 1380 mSettings.addPackageToCleanLPw( 1381 new PackageCleanItem(user, packageName, andCode)); 1382 } 1383 } else { 1384 mSettings.addPackageToCleanLPw( 1385 new PackageCleanItem(userId, packageName, andCode)); 1386 } 1387 } 1388 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1389 startCleaningPackages(); 1390 } break; 1391 case POST_INSTALL: { 1392 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1393 1394 PostInstallData data = mRunningInstalls.get(msg.arg1); 1395 final boolean didRestore = (msg.arg2 != 0); 1396 mRunningInstalls.delete(msg.arg1); 1397 1398 if (data != null) { 1399 InstallArgs args = data.args; 1400 PackageInstalledInfo parentRes = data.res; 1401 1402 final boolean grantPermissions = (args.installFlags 1403 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1404 final boolean killApp = (args.installFlags 1405 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1406 final String[] grantedPermissions = args.installGrantPermissions; 1407 1408 // Handle the parent package 1409 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1410 grantedPermissions, didRestore, args.installerPackageName, 1411 args.observer); 1412 1413 // Handle the child packages 1414 final int childCount = (parentRes.addedChildPackages != null) 1415 ? parentRes.addedChildPackages.size() : 0; 1416 for (int i = 0; i < childCount; i++) { 1417 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1418 handlePackagePostInstall(childRes, grantPermissions, killApp, 1419 grantedPermissions, false, args.installerPackageName, 1420 args.observer); 1421 } 1422 1423 // Log tracing if needed 1424 if (args.traceMethod != null) { 1425 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1426 args.traceCookie); 1427 } 1428 } else { 1429 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1430 } 1431 1432 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1433 } break; 1434 case UPDATED_MEDIA_STATUS: { 1435 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1436 boolean reportStatus = msg.arg1 == 1; 1437 boolean doGc = msg.arg2 == 1; 1438 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1439 if (doGc) { 1440 // Force a gc to clear up stale containers. 1441 Runtime.getRuntime().gc(); 1442 } 1443 if (msg.obj != null) { 1444 @SuppressWarnings("unchecked") 1445 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1446 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1447 // Unload containers 1448 unloadAllContainers(args); 1449 } 1450 if (reportStatus) { 1451 try { 1452 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1453 PackageHelper.getMountService().finishMediaUpdate(); 1454 } catch (RemoteException e) { 1455 Log.e(TAG, "MountService not running?"); 1456 } 1457 } 1458 } break; 1459 case WRITE_SETTINGS: { 1460 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1461 synchronized (mPackages) { 1462 removeMessages(WRITE_SETTINGS); 1463 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1464 mSettings.writeLPr(); 1465 mDirtyUsers.clear(); 1466 } 1467 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1468 } break; 1469 case WRITE_PACKAGE_RESTRICTIONS: { 1470 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1471 synchronized (mPackages) { 1472 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1473 for (int userId : mDirtyUsers) { 1474 mSettings.writePackageRestrictionsLPr(userId); 1475 } 1476 mDirtyUsers.clear(); 1477 } 1478 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1479 } break; 1480 case WRITE_PACKAGE_LIST: { 1481 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1482 synchronized (mPackages) { 1483 removeMessages(WRITE_PACKAGE_LIST); 1484 mSettings.writePackageListLPr(msg.arg1); 1485 } 1486 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1487 } break; 1488 case CHECK_PENDING_VERIFICATION: { 1489 final int verificationId = msg.arg1; 1490 final PackageVerificationState state = mPendingVerification.get(verificationId); 1491 1492 if ((state != null) && !state.timeoutExtended()) { 1493 final InstallArgs args = state.getInstallArgs(); 1494 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1495 1496 Slog.i(TAG, "Verification timed out for " + originUri); 1497 mPendingVerification.remove(verificationId); 1498 1499 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1500 1501 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1502 Slog.i(TAG, "Continuing with installation of " + originUri); 1503 state.setVerifierResponse(Binder.getCallingUid(), 1504 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1505 broadcastPackageVerified(verificationId, originUri, 1506 PackageManager.VERIFICATION_ALLOW, 1507 state.getInstallArgs().getUser()); 1508 try { 1509 ret = args.copyApk(mContainerService, true); 1510 } catch (RemoteException e) { 1511 Slog.e(TAG, "Could not contact the ContainerService"); 1512 } 1513 } else { 1514 broadcastPackageVerified(verificationId, originUri, 1515 PackageManager.VERIFICATION_REJECT, 1516 state.getInstallArgs().getUser()); 1517 } 1518 1519 Trace.asyncTraceEnd( 1520 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1521 1522 processPendingInstall(args, ret); 1523 mHandler.sendEmptyMessage(MCS_UNBIND); 1524 } 1525 break; 1526 } 1527 case PACKAGE_VERIFIED: { 1528 final int verificationId = msg.arg1; 1529 1530 final PackageVerificationState state = mPendingVerification.get(verificationId); 1531 if (state == null) { 1532 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1533 break; 1534 } 1535 1536 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1537 1538 state.setVerifierResponse(response.callerUid, response.code); 1539 1540 if (state.isVerificationComplete()) { 1541 mPendingVerification.remove(verificationId); 1542 1543 final InstallArgs args = state.getInstallArgs(); 1544 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1545 1546 int ret; 1547 if (state.isInstallAllowed()) { 1548 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1549 broadcastPackageVerified(verificationId, originUri, 1550 response.code, state.getInstallArgs().getUser()); 1551 try { 1552 ret = args.copyApk(mContainerService, true); 1553 } catch (RemoteException e) { 1554 Slog.e(TAG, "Could not contact the ContainerService"); 1555 } 1556 } else { 1557 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1558 } 1559 1560 Trace.asyncTraceEnd( 1561 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1562 1563 processPendingInstall(args, ret); 1564 mHandler.sendEmptyMessage(MCS_UNBIND); 1565 } 1566 1567 break; 1568 } 1569 case START_INTENT_FILTER_VERIFICATIONS: { 1570 IFVerificationParams params = (IFVerificationParams) msg.obj; 1571 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1572 params.replacing, params.pkg); 1573 break; 1574 } 1575 case INTENT_FILTER_VERIFIED: { 1576 final int verificationId = msg.arg1; 1577 1578 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1579 verificationId); 1580 if (state == null) { 1581 Slog.w(TAG, "Invalid IntentFilter verification token " 1582 + verificationId + " received"); 1583 break; 1584 } 1585 1586 final int userId = state.getUserId(); 1587 1588 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1589 "Processing IntentFilter verification with token:" 1590 + verificationId + " and userId:" + userId); 1591 1592 final IntentFilterVerificationResponse response = 1593 (IntentFilterVerificationResponse) msg.obj; 1594 1595 state.setVerifierResponse(response.callerUid, response.code); 1596 1597 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1598 "IntentFilter verification with token:" + verificationId 1599 + " and userId:" + userId 1600 + " is settings verifier response with response code:" 1601 + response.code); 1602 1603 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1604 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1605 + response.getFailedDomainsString()); 1606 } 1607 1608 if (state.isVerificationComplete()) { 1609 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1610 } else { 1611 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1612 "IntentFilter verification with token:" + verificationId 1613 + " was not said to be complete"); 1614 } 1615 1616 break; 1617 } 1618 } 1619 } 1620 } 1621 1622 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1623 boolean killApp, String[] grantedPermissions, 1624 boolean launchedForRestore, String installerPackage, 1625 IPackageInstallObserver2 installObserver) { 1626 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1627 // Send the removed broadcasts 1628 if (res.removedInfo != null) { 1629 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1630 } 1631 1632 // Now that we successfully installed the package, grant runtime 1633 // permissions if requested before broadcasting the install. 1634 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1635 >= Build.VERSION_CODES.M) { 1636 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1637 } 1638 1639 final boolean update = res.removedInfo != null 1640 && res.removedInfo.removedPackage != null; 1641 1642 // If this is the first time we have child packages for a disabled privileged 1643 // app that had no children, we grant requested runtime permissions to the new 1644 // children if the parent on the system image had them already granted. 1645 if (res.pkg.parentPackage != null) { 1646 synchronized (mPackages) { 1647 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1648 } 1649 } 1650 1651 synchronized (mPackages) { 1652 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1653 } 1654 1655 final String packageName = res.pkg.applicationInfo.packageName; 1656 Bundle extras = new Bundle(1); 1657 extras.putInt(Intent.EXTRA_UID, res.uid); 1658 1659 // Determine the set of users who are adding this package for 1660 // the first time vs. those who are seeing an update. 1661 int[] firstUsers = EMPTY_INT_ARRAY; 1662 int[] updateUsers = EMPTY_INT_ARRAY; 1663 if (res.origUsers == null || res.origUsers.length == 0) { 1664 firstUsers = res.newUsers; 1665 } else { 1666 for (int newUser : res.newUsers) { 1667 boolean isNew = true; 1668 for (int origUser : res.origUsers) { 1669 if (origUser == newUser) { 1670 isNew = false; 1671 break; 1672 } 1673 } 1674 if (isNew) { 1675 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1676 } else { 1677 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1678 } 1679 } 1680 } 1681 1682 // Send installed broadcasts if the install/update is not ephemeral 1683 if (!isEphemeral(res.pkg)) { 1684 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1685 1686 // Send added for users that see the package for the first time 1687 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1688 extras, 0 /*flags*/, null /*targetPackage*/, 1689 null /*finishedReceiver*/, firstUsers); 1690 1691 // Send added for users that don't see the package for the first time 1692 if (update) { 1693 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1694 } 1695 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1696 extras, 0 /*flags*/, null /*targetPackage*/, 1697 null /*finishedReceiver*/, updateUsers); 1698 1699 // Send replaced for users that don't see the package for the first time 1700 if (update) { 1701 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1702 packageName, extras, 0 /*flags*/, 1703 null /*targetPackage*/, null /*finishedReceiver*/, 1704 updateUsers); 1705 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1706 null /*package*/, null /*extras*/, 0 /*flags*/, 1707 packageName /*targetPackage*/, 1708 null /*finishedReceiver*/, updateUsers); 1709 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1710 // First-install and we did a restore, so we're responsible for the 1711 // first-launch broadcast. 1712 if (DEBUG_BACKUP) { 1713 Slog.i(TAG, "Post-restore of " + packageName 1714 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1715 } 1716 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1717 } 1718 1719 // Send broadcast package appeared if forward locked/external for all users 1720 // treat asec-hosted packages like removable media on upgrade 1721 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1722 if (DEBUG_INSTALL) { 1723 Slog.i(TAG, "upgrading pkg " + res.pkg 1724 + " is ASEC-hosted -> AVAILABLE"); 1725 } 1726 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1727 ArrayList<String> pkgList = new ArrayList<>(1); 1728 pkgList.add(packageName); 1729 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1730 } 1731 } 1732 1733 // Work that needs to happen on first install within each user 1734 if (firstUsers != null && firstUsers.length > 0) { 1735 synchronized (mPackages) { 1736 for (int userId : firstUsers) { 1737 // If this app is a browser and it's newly-installed for some 1738 // users, clear any default-browser state in those users. The 1739 // app's nature doesn't depend on the user, so we can just check 1740 // its browser nature in any user and generalize. 1741 if (packageIsBrowser(packageName, userId)) { 1742 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1743 } 1744 1745 // We may also need to apply pending (restored) runtime 1746 // permission grants within these users. 1747 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1748 } 1749 } 1750 } 1751 1752 // Log current value of "unknown sources" setting 1753 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1754 getUnknownSourcesSettings()); 1755 1756 // Force a gc to clear up things 1757 Runtime.getRuntime().gc(); 1758 1759 // Remove the replaced package's older resources safely now 1760 // We delete after a gc for applications on sdcard. 1761 if (res.removedInfo != null && res.removedInfo.args != null) { 1762 synchronized (mInstallLock) { 1763 res.removedInfo.args.doPostDeleteLI(true); 1764 } 1765 } 1766 } 1767 1768 // If someone is watching installs - notify them 1769 if (installObserver != null) { 1770 try { 1771 Bundle extras = extrasForInstallResult(res); 1772 installObserver.onPackageInstalled(res.name, res.returnCode, 1773 res.returnMsg, extras); 1774 } catch (RemoteException e) { 1775 Slog.i(TAG, "Observer no longer exists."); 1776 } 1777 } 1778 } 1779 1780 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1781 PackageParser.Package pkg) { 1782 if (pkg.parentPackage == null) { 1783 return; 1784 } 1785 if (pkg.requestedPermissions == null) { 1786 return; 1787 } 1788 final PackageSetting disabledSysParentPs = mSettings 1789 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1790 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1791 || !disabledSysParentPs.isPrivileged() 1792 || (disabledSysParentPs.childPackageNames != null 1793 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1794 return; 1795 } 1796 final int[] allUserIds = sUserManager.getUserIds(); 1797 final int permCount = pkg.requestedPermissions.size(); 1798 for (int i = 0; i < permCount; i++) { 1799 String permission = pkg.requestedPermissions.get(i); 1800 BasePermission bp = mSettings.mPermissions.get(permission); 1801 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1802 continue; 1803 } 1804 for (int userId : allUserIds) { 1805 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1806 permission, userId)) { 1807 grantRuntimePermission(pkg.packageName, permission, userId); 1808 } 1809 } 1810 } 1811 } 1812 1813 private StorageEventListener mStorageListener = new StorageEventListener() { 1814 @Override 1815 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1816 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1817 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1818 final String volumeUuid = vol.getFsUuid(); 1819 1820 // Clean up any users or apps that were removed or recreated 1821 // while this volume was missing 1822 reconcileUsers(volumeUuid); 1823 reconcileApps(volumeUuid); 1824 1825 // Clean up any install sessions that expired or were 1826 // cancelled while this volume was missing 1827 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1828 1829 loadPrivatePackages(vol); 1830 1831 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1832 unloadPrivatePackages(vol); 1833 } 1834 } 1835 1836 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1837 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1838 updateExternalMediaStatus(true, false); 1839 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1840 updateExternalMediaStatus(false, false); 1841 } 1842 } 1843 } 1844 1845 @Override 1846 public void onVolumeForgotten(String fsUuid) { 1847 if (TextUtils.isEmpty(fsUuid)) { 1848 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1849 return; 1850 } 1851 1852 // Remove any apps installed on the forgotten volume 1853 synchronized (mPackages) { 1854 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1855 for (PackageSetting ps : packages) { 1856 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1857 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1858 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1859 } 1860 1861 mSettings.onVolumeForgotten(fsUuid); 1862 mSettings.writeLPr(); 1863 } 1864 } 1865 }; 1866 1867 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1868 String[] grantedPermissions) { 1869 for (int userId : userIds) { 1870 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1871 } 1872 1873 // We could have touched GID membership, so flush out packages.list 1874 synchronized (mPackages) { 1875 mSettings.writePackageListLPr(); 1876 } 1877 } 1878 1879 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1880 String[] grantedPermissions) { 1881 SettingBase sb = (SettingBase) pkg.mExtras; 1882 if (sb == null) { 1883 return; 1884 } 1885 1886 PermissionsState permissionsState = sb.getPermissionsState(); 1887 1888 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1889 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1890 1891 for (String permission : pkg.requestedPermissions) { 1892 final BasePermission bp; 1893 synchronized (mPackages) { 1894 bp = mSettings.mPermissions.get(permission); 1895 } 1896 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1897 && (grantedPermissions == null 1898 || ArrayUtils.contains(grantedPermissions, permission))) { 1899 final int flags = permissionsState.getPermissionFlags(permission, userId); 1900 // Installer cannot change immutable permissions. 1901 if ((flags & immutableFlags) == 0) { 1902 grantRuntimePermission(pkg.packageName, permission, userId); 1903 } 1904 } 1905 } 1906 } 1907 1908 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1909 Bundle extras = null; 1910 switch (res.returnCode) { 1911 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1912 extras = new Bundle(); 1913 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1914 res.origPermission); 1915 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1916 res.origPackage); 1917 break; 1918 } 1919 case PackageManager.INSTALL_SUCCEEDED: { 1920 extras = new Bundle(); 1921 extras.putBoolean(Intent.EXTRA_REPLACING, 1922 res.removedInfo != null && res.removedInfo.removedPackage != null); 1923 break; 1924 } 1925 } 1926 return extras; 1927 } 1928 1929 void scheduleWriteSettingsLocked() { 1930 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1931 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1932 } 1933 } 1934 1935 void scheduleWritePackageListLocked(int userId) { 1936 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 1937 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 1938 msg.arg1 = userId; 1939 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 1940 } 1941 } 1942 1943 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1944 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1945 scheduleWritePackageRestrictionsLocked(userId); 1946 } 1947 1948 void scheduleWritePackageRestrictionsLocked(int userId) { 1949 final int[] userIds = (userId == UserHandle.USER_ALL) 1950 ? sUserManager.getUserIds() : new int[]{userId}; 1951 for (int nextUserId : userIds) { 1952 if (!sUserManager.exists(nextUserId)) return; 1953 mDirtyUsers.add(nextUserId); 1954 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1955 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1956 } 1957 } 1958 } 1959 1960 public static PackageManagerService main(Context context, Installer installer, 1961 boolean factoryTest, boolean onlyCore) { 1962 // Self-check for initial settings. 1963 PackageManagerServiceCompilerMapping.checkProperties(); 1964 1965 PackageManagerService m = new PackageManagerService(context, installer, 1966 factoryTest, onlyCore); 1967 m.enableSystemUserPackages(); 1968 ServiceManager.addService("package", m); 1969 return m; 1970 } 1971 1972 private void enableSystemUserPackages() { 1973 if (!UserManager.isSplitSystemUser()) { 1974 return; 1975 } 1976 // For system user, enable apps based on the following conditions: 1977 // - app is whitelisted or belong to one of these groups: 1978 // -- system app which has no launcher icons 1979 // -- system app which has INTERACT_ACROSS_USERS permission 1980 // -- system IME app 1981 // - app is not in the blacklist 1982 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1983 Set<String> enableApps = new ArraySet<>(); 1984 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1985 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1986 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1987 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1988 enableApps.addAll(wlApps); 1989 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1990 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1991 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1992 enableApps.removeAll(blApps); 1993 Log.i(TAG, "Applications installed for system user: " + enableApps); 1994 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1995 UserHandle.SYSTEM); 1996 final int allAppsSize = allAps.size(); 1997 synchronized (mPackages) { 1998 for (int i = 0; i < allAppsSize; i++) { 1999 String pName = allAps.get(i); 2000 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2001 // Should not happen, but we shouldn't be failing if it does 2002 if (pkgSetting == null) { 2003 continue; 2004 } 2005 boolean install = enableApps.contains(pName); 2006 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2007 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2008 + " for system user"); 2009 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2010 } 2011 } 2012 } 2013 } 2014 2015 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2016 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2017 Context.DISPLAY_SERVICE); 2018 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2019 } 2020 2021 /** 2022 * Requests that files preopted on a secondary system partition be copied to the data partition 2023 * if possible. Note that the actual copying of the files is accomplished by init for security 2024 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2025 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2026 */ 2027 private static void requestCopyPreoptedFiles() { 2028 final int WAIT_TIME_MS = 100; 2029 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2030 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2031 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2032 // We will wait for up to 100 seconds. 2033 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2034 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2035 try { 2036 Thread.sleep(WAIT_TIME_MS); 2037 } catch (InterruptedException e) { 2038 // Do nothing 2039 } 2040 if (SystemClock.uptimeMillis() > timeEnd) { 2041 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2042 Slog.wtf(TAG, "cppreopt did not finish!"); 2043 break; 2044 } 2045 } 2046 } 2047 } 2048 2049 public PackageManagerService(Context context, Installer installer, 2050 boolean factoryTest, boolean onlyCore) { 2051 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2052 SystemClock.uptimeMillis()); 2053 2054 if (mSdkVersion <= 0) { 2055 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2056 } 2057 2058 mContext = context; 2059 mFactoryTest = factoryTest; 2060 mOnlyCore = onlyCore; 2061 mMetrics = new DisplayMetrics(); 2062 mSettings = new Settings(mPackages); 2063 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2064 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2065 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2066 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2067 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2068 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2069 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2070 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2071 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2072 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2073 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2074 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2075 2076 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2077 if (separateProcesses != null && separateProcesses.length() > 0) { 2078 if ("*".equals(separateProcesses)) { 2079 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2080 mSeparateProcesses = null; 2081 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2082 } else { 2083 mDefParseFlags = 0; 2084 mSeparateProcesses = separateProcesses.split(","); 2085 Slog.w(TAG, "Running with debug.separate_processes: " 2086 + separateProcesses); 2087 } 2088 } else { 2089 mDefParseFlags = 0; 2090 mSeparateProcesses = null; 2091 } 2092 2093 mInstaller = installer; 2094 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2095 "*dexopt*"); 2096 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2097 2098 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2099 FgThread.get().getLooper()); 2100 2101 getDefaultDisplayMetrics(context, mMetrics); 2102 2103 SystemConfig systemConfig = SystemConfig.getInstance(); 2104 mGlobalGids = systemConfig.getGlobalGids(); 2105 mSystemPermissions = systemConfig.getSystemPermissions(); 2106 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2107 2108 mProtectedPackages = new ProtectedPackages(mContext); 2109 2110 synchronized (mInstallLock) { 2111 // writer 2112 synchronized (mPackages) { 2113 mHandlerThread = new ServiceThread(TAG, 2114 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2115 mHandlerThread.start(); 2116 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2117 mProcessLoggingHandler = new ProcessLoggingHandler(); 2118 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2119 2120 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2121 2122 File dataDir = Environment.getDataDirectory(); 2123 mAppInstallDir = new File(dataDir, "app"); 2124 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2125 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2126 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2127 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2128 2129 sUserManager = new UserManagerService(context, this, mPackages); 2130 2131 // Propagate permission configuration in to package manager. 2132 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2133 = systemConfig.getPermissions(); 2134 for (int i=0; i<permConfig.size(); i++) { 2135 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2136 BasePermission bp = mSettings.mPermissions.get(perm.name); 2137 if (bp == null) { 2138 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2139 mSettings.mPermissions.put(perm.name, bp); 2140 } 2141 if (perm.gids != null) { 2142 bp.setGids(perm.gids, perm.perUser); 2143 } 2144 } 2145 2146 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2147 for (int i=0; i<libConfig.size(); i++) { 2148 mSharedLibraries.put(libConfig.keyAt(i), 2149 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2150 } 2151 2152 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2153 2154 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2155 2156 if (mFirstBoot) { 2157 requestCopyPreoptedFiles(); 2158 } 2159 2160 String customResolverActivity = Resources.getSystem().getString( 2161 R.string.config_customResolverActivity); 2162 if (TextUtils.isEmpty(customResolverActivity)) { 2163 customResolverActivity = null; 2164 } else { 2165 mCustomResolverComponentName = ComponentName.unflattenFromString( 2166 customResolverActivity); 2167 } 2168 2169 long startTime = SystemClock.uptimeMillis(); 2170 2171 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2172 startTime); 2173 2174 // Set flag to monitor and not change apk file paths when 2175 // scanning install directories. 2176 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2177 2178 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2179 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2180 2181 if (bootClassPath == null) { 2182 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2183 } 2184 2185 if (systemServerClassPath == null) { 2186 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2187 } 2188 2189 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2190 final String[] dexCodeInstructionSets = 2191 getDexCodeInstructionSets( 2192 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2193 2194 /** 2195 * Ensure all external libraries have had dexopt run on them. 2196 */ 2197 if (mSharedLibraries.size() > 0) { 2198 // NOTE: For now, we're compiling these system "shared libraries" 2199 // (and framework jars) into all available architectures. It's possible 2200 // to compile them only when we come across an app that uses them (there's 2201 // already logic for that in scanPackageLI) but that adds some complexity. 2202 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2203 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2204 final String lib = libEntry.path; 2205 if (lib == null) { 2206 continue; 2207 } 2208 2209 try { 2210 // Shared libraries do not have profiles so we perform a full 2211 // AOT compilation (if needed). 2212 int dexoptNeeded = DexFile.getDexOptNeeded( 2213 lib, dexCodeInstructionSet, 2214 getCompilerFilterForReason(REASON_SHARED_APK), 2215 false /* newProfile */); 2216 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2217 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2218 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2219 getCompilerFilterForReason(REASON_SHARED_APK), 2220 StorageManager.UUID_PRIVATE_INTERNAL, 2221 SKIP_SHARED_LIBRARY_CHECK); 2222 } 2223 } catch (FileNotFoundException e) { 2224 Slog.w(TAG, "Library not found: " + lib); 2225 } catch (IOException | InstallerException e) { 2226 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2227 + e.getMessage()); 2228 } 2229 } 2230 } 2231 } 2232 2233 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2234 2235 final VersionInfo ver = mSettings.getInternalVersion(); 2236 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2237 2238 // when upgrading from pre-M, promote system app permissions from install to runtime 2239 mPromoteSystemApps = 2240 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2241 2242 // When upgrading from pre-N, we need to handle package extraction like first boot, 2243 // as there is no profiling data available. 2244 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2245 2246 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2247 2248 // save off the names of pre-existing system packages prior to scanning; we don't 2249 // want to automatically grant runtime permissions for new system apps 2250 if (mPromoteSystemApps) { 2251 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2252 while (pkgSettingIter.hasNext()) { 2253 PackageSetting ps = pkgSettingIter.next(); 2254 if (isSystemApp(ps)) { 2255 mExistingSystemPackages.add(ps.name); 2256 } 2257 } 2258 } 2259 2260 // Collect vendor overlay packages. 2261 // (Do this before scanning any apps.) 2262 // For security and version matching reason, only consider 2263 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2264 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2265 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2266 | PackageParser.PARSE_IS_SYSTEM 2267 | PackageParser.PARSE_IS_SYSTEM_DIR 2268 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2269 2270 // Find base frameworks (resource packages without code). 2271 scanDirTracedLI(frameworkDir, mDefParseFlags 2272 | PackageParser.PARSE_IS_SYSTEM 2273 | PackageParser.PARSE_IS_SYSTEM_DIR 2274 | PackageParser.PARSE_IS_PRIVILEGED, 2275 scanFlags | SCAN_NO_DEX, 0); 2276 2277 // Collected privileged system packages. 2278 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2279 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2280 | PackageParser.PARSE_IS_SYSTEM 2281 | PackageParser.PARSE_IS_SYSTEM_DIR 2282 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2283 2284 // Collect ordinary system packages. 2285 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2286 scanDirTracedLI(systemAppDir, mDefParseFlags 2287 | PackageParser.PARSE_IS_SYSTEM 2288 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2289 2290 // Collect all vendor packages. 2291 File vendorAppDir = new File("/vendor/app"); 2292 try { 2293 vendorAppDir = vendorAppDir.getCanonicalFile(); 2294 } catch (IOException e) { 2295 // failed to look up canonical path, continue with original one 2296 } 2297 scanDirTracedLI(vendorAppDir, mDefParseFlags 2298 | PackageParser.PARSE_IS_SYSTEM 2299 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2300 2301 // Collect all OEM packages. 2302 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2303 scanDirTracedLI(oemAppDir, mDefParseFlags 2304 | PackageParser.PARSE_IS_SYSTEM 2305 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2306 2307 // Prune any system packages that no longer exist. 2308 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2309 if (!mOnlyCore) { 2310 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2311 while (psit.hasNext()) { 2312 PackageSetting ps = psit.next(); 2313 2314 /* 2315 * If this is not a system app, it can't be a 2316 * disable system app. 2317 */ 2318 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2319 continue; 2320 } 2321 2322 /* 2323 * If the package is scanned, it's not erased. 2324 */ 2325 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2326 if (scannedPkg != null) { 2327 /* 2328 * If the system app is both scanned and in the 2329 * disabled packages list, then it must have been 2330 * added via OTA. Remove it from the currently 2331 * scanned package so the previously user-installed 2332 * application can be scanned. 2333 */ 2334 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2335 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2336 + ps.name + "; removing system app. Last known codePath=" 2337 + ps.codePathString + ", installStatus=" + ps.installStatus 2338 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2339 + scannedPkg.mVersionCode); 2340 removePackageLI(scannedPkg, true); 2341 mExpectingBetter.put(ps.name, ps.codePath); 2342 } 2343 2344 continue; 2345 } 2346 2347 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2348 psit.remove(); 2349 logCriticalInfo(Log.WARN, "System package " + ps.name 2350 + " no longer exists; it's data will be wiped"); 2351 // Actual deletion of code and data will be handled by later 2352 // reconciliation step 2353 } else { 2354 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2355 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2356 possiblyDeletedUpdatedSystemApps.add(ps.name); 2357 } 2358 } 2359 } 2360 } 2361 2362 //look for any incomplete package installations 2363 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2364 for (int i = 0; i < deletePkgsList.size(); i++) { 2365 // Actual deletion of code and data will be handled by later 2366 // reconciliation step 2367 final String packageName = deletePkgsList.get(i).name; 2368 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2369 synchronized (mPackages) { 2370 mSettings.removePackageLPw(packageName); 2371 } 2372 } 2373 2374 //delete tmp files 2375 deleteTempPackageFiles(); 2376 2377 // Remove any shared userIDs that have no associated packages 2378 mSettings.pruneSharedUsersLPw(); 2379 2380 if (!mOnlyCore) { 2381 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2382 SystemClock.uptimeMillis()); 2383 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2384 2385 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2386 | PackageParser.PARSE_FORWARD_LOCK, 2387 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2388 2389 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2390 | PackageParser.PARSE_IS_EPHEMERAL, 2391 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2392 2393 /** 2394 * Remove disable package settings for any updated system 2395 * apps that were removed via an OTA. If they're not a 2396 * previously-updated app, remove them completely. 2397 * Otherwise, just revoke their system-level permissions. 2398 */ 2399 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2400 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2401 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2402 2403 String msg; 2404 if (deletedPkg == null) { 2405 msg = "Updated system package " + deletedAppName 2406 + " no longer exists; it's data will be wiped"; 2407 // Actual deletion of code and data will be handled by later 2408 // reconciliation step 2409 } else { 2410 msg = "Updated system app + " + deletedAppName 2411 + " no longer present; removing system privileges for " 2412 + deletedAppName; 2413 2414 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2415 2416 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2417 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2418 } 2419 logCriticalInfo(Log.WARN, msg); 2420 } 2421 2422 /** 2423 * Make sure all system apps that we expected to appear on 2424 * the userdata partition actually showed up. If they never 2425 * appeared, crawl back and revive the system version. 2426 */ 2427 for (int i = 0; i < mExpectingBetter.size(); i++) { 2428 final String packageName = mExpectingBetter.keyAt(i); 2429 if (!mPackages.containsKey(packageName)) { 2430 final File scanFile = mExpectingBetter.valueAt(i); 2431 2432 logCriticalInfo(Log.WARN, "Expected better " + packageName 2433 + " but never showed up; reverting to system"); 2434 2435 int reparseFlags = mDefParseFlags; 2436 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2437 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2438 | PackageParser.PARSE_IS_SYSTEM_DIR 2439 | PackageParser.PARSE_IS_PRIVILEGED; 2440 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2441 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2442 | PackageParser.PARSE_IS_SYSTEM_DIR; 2443 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2444 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2445 | PackageParser.PARSE_IS_SYSTEM_DIR; 2446 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2447 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2448 | PackageParser.PARSE_IS_SYSTEM_DIR; 2449 } else { 2450 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2451 continue; 2452 } 2453 2454 mSettings.enableSystemPackageLPw(packageName); 2455 2456 try { 2457 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2458 } catch (PackageManagerException e) { 2459 Slog.e(TAG, "Failed to parse original system package: " 2460 + e.getMessage()); 2461 } 2462 } 2463 } 2464 } 2465 mExpectingBetter.clear(); 2466 2467 // Resolve protected action filters. Only the setup wizard is allowed to 2468 // have a high priority filter for these actions. 2469 mSetupWizardPackage = getSetupWizardPackageName(); 2470 if (mProtectedFilters.size() > 0) { 2471 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2472 Slog.i(TAG, "No setup wizard;" 2473 + " All protected intents capped to priority 0"); 2474 } 2475 for (ActivityIntentInfo filter : mProtectedFilters) { 2476 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2477 if (DEBUG_FILTERS) { 2478 Slog.i(TAG, "Found setup wizard;" 2479 + " allow priority " + filter.getPriority() + ";" 2480 + " package: " + filter.activity.info.packageName 2481 + " activity: " + filter.activity.className 2482 + " priority: " + filter.getPriority()); 2483 } 2484 // skip setup wizard; allow it to keep the high priority filter 2485 continue; 2486 } 2487 Slog.w(TAG, "Protected action; cap priority to 0;" 2488 + " package: " + filter.activity.info.packageName 2489 + " activity: " + filter.activity.className 2490 + " origPrio: " + filter.getPriority()); 2491 filter.setPriority(0); 2492 } 2493 } 2494 mDeferProtectedFilters = false; 2495 mProtectedFilters.clear(); 2496 2497 // Now that we know all of the shared libraries, update all clients to have 2498 // the correct library paths. 2499 updateAllSharedLibrariesLPw(); 2500 2501 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2502 // NOTE: We ignore potential failures here during a system scan (like 2503 // the rest of the commands above) because there's precious little we 2504 // can do about it. A settings error is reported, though. 2505 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2506 false /* boot complete */); 2507 } 2508 2509 // Now that we know all the packages we are keeping, 2510 // read and update their last usage times. 2511 mPackageUsage.read(mPackages); 2512 mCompilerStats.read(); 2513 2514 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2515 SystemClock.uptimeMillis()); 2516 Slog.i(TAG, "Time to scan packages: " 2517 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2518 + " seconds"); 2519 2520 // If the platform SDK has changed since the last time we booted, 2521 // we need to re-grant app permission to catch any new ones that 2522 // appear. This is really a hack, and means that apps can in some 2523 // cases get permissions that the user didn't initially explicitly 2524 // allow... it would be nice to have some better way to handle 2525 // this situation. 2526 int updateFlags = UPDATE_PERMISSIONS_ALL; 2527 if (ver.sdkVersion != mSdkVersion) { 2528 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2529 + mSdkVersion + "; regranting permissions for internal storage"); 2530 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2531 } 2532 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2533 ver.sdkVersion = mSdkVersion; 2534 2535 // If this is the first boot or an update from pre-M, and it is a normal 2536 // boot, then we need to initialize the default preferred apps across 2537 // all defined users. 2538 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2539 for (UserInfo user : sUserManager.getUsers(true)) { 2540 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2541 applyFactoryDefaultBrowserLPw(user.id); 2542 primeDomainVerificationsLPw(user.id); 2543 } 2544 } 2545 2546 // Prepare storage for system user really early during boot, 2547 // since core system apps like SettingsProvider and SystemUI 2548 // can't wait for user to start 2549 final int storageFlags; 2550 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2551 storageFlags = StorageManager.FLAG_STORAGE_DE; 2552 } else { 2553 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2554 } 2555 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2556 storageFlags); 2557 2558 // If this is first boot after an OTA, and a normal boot, then 2559 // we need to clear code cache directories. 2560 // Note that we do *not* clear the application profiles. These remain valid 2561 // across OTAs and are used to drive profile verification (post OTA) and 2562 // profile compilation (without waiting to collect a fresh set of profiles). 2563 if (mIsUpgrade && !onlyCore) { 2564 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2565 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2566 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2567 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2568 // No apps are running this early, so no need to freeze 2569 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2570 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2571 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2572 } 2573 } 2574 ver.fingerprint = Build.FINGERPRINT; 2575 } 2576 2577 checkDefaultBrowser(); 2578 2579 // clear only after permissions and other defaults have been updated 2580 mExistingSystemPackages.clear(); 2581 mPromoteSystemApps = false; 2582 2583 // All the changes are done during package scanning. 2584 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2585 2586 // can downgrade to reader 2587 mSettings.writeLPr(); 2588 2589 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2590 // early on (before the package manager declares itself as early) because other 2591 // components in the system server might ask for package contexts for these apps. 2592 // 2593 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2594 // (i.e, that the data partition is unavailable). 2595 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2596 long start = System.nanoTime(); 2597 List<PackageParser.Package> coreApps = new ArrayList<>(); 2598 for (PackageParser.Package pkg : mPackages.values()) { 2599 if (pkg.coreApp) { 2600 coreApps.add(pkg); 2601 } 2602 } 2603 2604 int[] stats = performDexOptUpgrade(coreApps, false, 2605 getCompilerFilterForReason(REASON_CORE_APP)); 2606 2607 final int elapsedTimeSeconds = 2608 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2609 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2610 2611 if (DEBUG_DEXOPT) { 2612 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2613 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2614 } 2615 2616 2617 // TODO: Should we log these stats to tron too ? 2618 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2619 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2620 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2621 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2622 } 2623 2624 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2625 SystemClock.uptimeMillis()); 2626 2627 if (!mOnlyCore) { 2628 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2629 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2630 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2631 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2632 mIntentFilterVerifierComponent); 2633 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2634 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2635 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2636 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2637 } else { 2638 mRequiredVerifierPackage = null; 2639 mRequiredInstallerPackage = null; 2640 mIntentFilterVerifierComponent = null; 2641 mIntentFilterVerifier = null; 2642 mServicesSystemSharedLibraryPackageName = null; 2643 mSharedSystemSharedLibraryPackageName = null; 2644 } 2645 2646 mInstallerService = new PackageInstallerService(context, this); 2647 2648 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2649 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2650 // both the installer and resolver must be present to enable ephemeral 2651 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2652 if (DEBUG_EPHEMERAL) { 2653 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2654 + " installer:" + ephemeralInstallerComponent); 2655 } 2656 mEphemeralResolverComponent = ephemeralResolverComponent; 2657 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2658 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2659 mEphemeralResolverConnection = 2660 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2661 } else { 2662 if (DEBUG_EPHEMERAL) { 2663 final String missingComponent = 2664 (ephemeralResolverComponent == null) 2665 ? (ephemeralInstallerComponent == null) 2666 ? "resolver and installer" 2667 : "resolver" 2668 : "installer"; 2669 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2670 } 2671 mEphemeralResolverComponent = null; 2672 mEphemeralInstallerComponent = null; 2673 mEphemeralResolverConnection = null; 2674 } 2675 2676 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2677 } // synchronized (mPackages) 2678 } // synchronized (mInstallLock) 2679 2680 // Now after opening every single application zip, make sure they 2681 // are all flushed. Not really needed, but keeps things nice and 2682 // tidy. 2683 Runtime.getRuntime().gc(); 2684 2685 // The initial scanning above does many calls into installd while 2686 // holding the mPackages lock, but we're mostly interested in yelling 2687 // once we have a booted system. 2688 mInstaller.setWarnIfHeld(mPackages); 2689 2690 // Expose private service for system components to use. 2691 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2692 } 2693 2694 @Override 2695 public boolean isFirstBoot() { 2696 return mFirstBoot; 2697 } 2698 2699 @Override 2700 public boolean isOnlyCoreApps() { 2701 return mOnlyCore; 2702 } 2703 2704 @Override 2705 public boolean isUpgrade() { 2706 return mIsUpgrade; 2707 } 2708 2709 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2710 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2711 2712 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2713 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2714 UserHandle.USER_SYSTEM); 2715 if (matches.size() == 1) { 2716 return matches.get(0).getComponentInfo().packageName; 2717 } else { 2718 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2719 return null; 2720 } 2721 } 2722 2723 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2724 synchronized (mPackages) { 2725 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2726 if (libraryEntry == null) { 2727 throw new IllegalStateException("Missing required shared library:" + libraryName); 2728 } 2729 return libraryEntry.apk; 2730 } 2731 } 2732 2733 private @NonNull String getRequiredInstallerLPr() { 2734 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2735 intent.addCategory(Intent.CATEGORY_DEFAULT); 2736 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2737 2738 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2739 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2740 UserHandle.USER_SYSTEM); 2741 if (matches.size() == 1) { 2742 ResolveInfo resolveInfo = matches.get(0); 2743 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2744 throw new RuntimeException("The installer must be a privileged app"); 2745 } 2746 return matches.get(0).getComponentInfo().packageName; 2747 } else { 2748 throw new RuntimeException("There must be exactly one installer; found " + matches); 2749 } 2750 } 2751 2752 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2753 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2754 2755 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2756 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2757 UserHandle.USER_SYSTEM); 2758 ResolveInfo best = null; 2759 final int N = matches.size(); 2760 for (int i = 0; i < N; i++) { 2761 final ResolveInfo cur = matches.get(i); 2762 final String packageName = cur.getComponentInfo().packageName; 2763 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2764 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2765 continue; 2766 } 2767 2768 if (best == null || cur.priority > best.priority) { 2769 best = cur; 2770 } 2771 } 2772 2773 if (best != null) { 2774 return best.getComponentInfo().getComponentName(); 2775 } else { 2776 throw new RuntimeException("There must be at least one intent filter verifier"); 2777 } 2778 } 2779 2780 private @Nullable ComponentName getEphemeralResolverLPr() { 2781 final String[] packageArray = 2782 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2783 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2784 if (DEBUG_EPHEMERAL) { 2785 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2786 } 2787 return null; 2788 } 2789 2790 final int resolveFlags = 2791 MATCH_DIRECT_BOOT_AWARE 2792 | MATCH_DIRECT_BOOT_UNAWARE 2793 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2794 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2795 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2796 resolveFlags, UserHandle.USER_SYSTEM); 2797 2798 final int N = resolvers.size(); 2799 if (N == 0) { 2800 if (DEBUG_EPHEMERAL) { 2801 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2802 } 2803 return null; 2804 } 2805 2806 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2807 for (int i = 0; i < N; i++) { 2808 final ResolveInfo info = resolvers.get(i); 2809 2810 if (info.serviceInfo == null) { 2811 continue; 2812 } 2813 2814 final String packageName = info.serviceInfo.packageName; 2815 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 2816 if (DEBUG_EPHEMERAL) { 2817 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2818 + " pkg: " + packageName + ", info:" + info); 2819 } 2820 continue; 2821 } 2822 2823 if (DEBUG_EPHEMERAL) { 2824 Slog.v(TAG, "Ephemeral resolver found;" 2825 + " pkg: " + packageName + ", info:" + info); 2826 } 2827 return new ComponentName(packageName, info.serviceInfo.name); 2828 } 2829 if (DEBUG_EPHEMERAL) { 2830 Slog.v(TAG, "Ephemeral resolver NOT found"); 2831 } 2832 return null; 2833 } 2834 2835 private @Nullable ComponentName getEphemeralInstallerLPr() { 2836 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2837 intent.addCategory(Intent.CATEGORY_DEFAULT); 2838 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2839 2840 final int resolveFlags = 2841 MATCH_DIRECT_BOOT_AWARE 2842 | MATCH_DIRECT_BOOT_UNAWARE 2843 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2844 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2845 resolveFlags, UserHandle.USER_SYSTEM); 2846 if (matches.size() == 0) { 2847 return null; 2848 } else if (matches.size() == 1) { 2849 return matches.get(0).getComponentInfo().getComponentName(); 2850 } else { 2851 throw new RuntimeException( 2852 "There must be at most one ephemeral installer; found " + matches); 2853 } 2854 } 2855 2856 private void primeDomainVerificationsLPw(int userId) { 2857 if (DEBUG_DOMAIN_VERIFICATION) { 2858 Slog.d(TAG, "Priming domain verifications in user " + userId); 2859 } 2860 2861 SystemConfig systemConfig = SystemConfig.getInstance(); 2862 ArraySet<String> packages = systemConfig.getLinkedApps(); 2863 ArraySet<String> domains = new ArraySet<String>(); 2864 2865 for (String packageName : packages) { 2866 PackageParser.Package pkg = mPackages.get(packageName); 2867 if (pkg != null) { 2868 if (!pkg.isSystemApp()) { 2869 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2870 continue; 2871 } 2872 2873 domains.clear(); 2874 for (PackageParser.Activity a : pkg.activities) { 2875 for (ActivityIntentInfo filter : a.intents) { 2876 if (hasValidDomains(filter)) { 2877 domains.addAll(filter.getHostsList()); 2878 } 2879 } 2880 } 2881 2882 if (domains.size() > 0) { 2883 if (DEBUG_DOMAIN_VERIFICATION) { 2884 Slog.v(TAG, " + " + packageName); 2885 } 2886 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2887 // state w.r.t. the formal app-linkage "no verification attempted" state; 2888 // and then 'always' in the per-user state actually used for intent resolution. 2889 final IntentFilterVerificationInfo ivi; 2890 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2891 new ArrayList<String>(domains)); 2892 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2893 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2894 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2895 } else { 2896 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2897 + "' does not handle web links"); 2898 } 2899 } else { 2900 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2901 } 2902 } 2903 2904 scheduleWritePackageRestrictionsLocked(userId); 2905 scheduleWriteSettingsLocked(); 2906 } 2907 2908 private void applyFactoryDefaultBrowserLPw(int userId) { 2909 // The default browser app's package name is stored in a string resource, 2910 // with a product-specific overlay used for vendor customization. 2911 String browserPkg = mContext.getResources().getString( 2912 com.android.internal.R.string.default_browser); 2913 if (!TextUtils.isEmpty(browserPkg)) { 2914 // non-empty string => required to be a known package 2915 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2916 if (ps == null) { 2917 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2918 browserPkg = null; 2919 } else { 2920 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2921 } 2922 } 2923 2924 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2925 // default. If there's more than one, just leave everything alone. 2926 if (browserPkg == null) { 2927 calculateDefaultBrowserLPw(userId); 2928 } 2929 } 2930 2931 private void calculateDefaultBrowserLPw(int userId) { 2932 List<String> allBrowsers = resolveAllBrowserApps(userId); 2933 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2934 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2935 } 2936 2937 private List<String> resolveAllBrowserApps(int userId) { 2938 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2939 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2940 PackageManager.MATCH_ALL, userId); 2941 2942 final int count = list.size(); 2943 List<String> result = new ArrayList<String>(count); 2944 for (int i=0; i<count; i++) { 2945 ResolveInfo info = list.get(i); 2946 if (info.activityInfo == null 2947 || !info.handleAllWebDataURI 2948 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2949 || result.contains(info.activityInfo.packageName)) { 2950 continue; 2951 } 2952 result.add(info.activityInfo.packageName); 2953 } 2954 2955 return result; 2956 } 2957 2958 private boolean packageIsBrowser(String packageName, int userId) { 2959 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2960 PackageManager.MATCH_ALL, userId); 2961 final int N = list.size(); 2962 for (int i = 0; i < N; i++) { 2963 ResolveInfo info = list.get(i); 2964 if (packageName.equals(info.activityInfo.packageName)) { 2965 return true; 2966 } 2967 } 2968 return false; 2969 } 2970 2971 private void checkDefaultBrowser() { 2972 final int myUserId = UserHandle.myUserId(); 2973 final String packageName = getDefaultBrowserPackageName(myUserId); 2974 if (packageName != null) { 2975 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2976 if (info == null) { 2977 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2978 synchronized (mPackages) { 2979 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2980 } 2981 } 2982 } 2983 } 2984 2985 @Override 2986 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2987 throws RemoteException { 2988 try { 2989 return super.onTransact(code, data, reply, flags); 2990 } catch (RuntimeException e) { 2991 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2992 Slog.wtf(TAG, "Package Manager Crash", e); 2993 } 2994 throw e; 2995 } 2996 } 2997 2998 static int[] appendInts(int[] cur, int[] add) { 2999 if (add == null) return cur; 3000 if (cur == null) return add; 3001 final int N = add.length; 3002 for (int i=0; i<N; i++) { 3003 cur = appendInt(cur, add[i]); 3004 } 3005 return cur; 3006 } 3007 3008 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3009 if (!sUserManager.exists(userId)) return null; 3010 if (ps == null) { 3011 return null; 3012 } 3013 final PackageParser.Package p = ps.pkg; 3014 if (p == null) { 3015 return null; 3016 } 3017 3018 final PermissionsState permissionsState = ps.getPermissionsState(); 3019 3020 // Compute GIDs only if requested 3021 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3022 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3023 // Compute granted permissions only if package has requested permissions 3024 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3025 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3026 final PackageUserState state = ps.readUserState(userId); 3027 3028 return PackageParser.generatePackageInfo(p, gids, flags, 3029 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3030 } 3031 3032 @Override 3033 public void checkPackageStartable(String packageName, int userId) { 3034 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3035 3036 synchronized (mPackages) { 3037 final PackageSetting ps = mSettings.mPackages.get(packageName); 3038 if (ps == null) { 3039 throw new SecurityException("Package " + packageName + " was not found!"); 3040 } 3041 3042 if (!ps.getInstalled(userId)) { 3043 throw new SecurityException( 3044 "Package " + packageName + " was not installed for user " + userId + "!"); 3045 } 3046 3047 if (mSafeMode && !ps.isSystem()) { 3048 throw new SecurityException("Package " + packageName + " not a system app!"); 3049 } 3050 3051 if (mFrozenPackages.contains(packageName)) { 3052 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3053 } 3054 3055 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3056 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3057 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3058 } 3059 } 3060 } 3061 3062 @Override 3063 public boolean isPackageAvailable(String packageName, int userId) { 3064 if (!sUserManager.exists(userId)) return false; 3065 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3066 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3067 synchronized (mPackages) { 3068 PackageParser.Package p = mPackages.get(packageName); 3069 if (p != null) { 3070 final PackageSetting ps = (PackageSetting) p.mExtras; 3071 if (ps != null) { 3072 final PackageUserState state = ps.readUserState(userId); 3073 if (state != null) { 3074 return PackageParser.isAvailable(state); 3075 } 3076 } 3077 } 3078 } 3079 return false; 3080 } 3081 3082 @Override 3083 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3084 if (!sUserManager.exists(userId)) return null; 3085 flags = updateFlagsForPackage(flags, userId, packageName); 3086 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3087 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3088 // reader 3089 synchronized (mPackages) { 3090 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3091 PackageParser.Package p = null; 3092 if (matchFactoryOnly) { 3093 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3094 if (ps != null) { 3095 return generatePackageInfo(ps, flags, userId); 3096 } 3097 } 3098 if (p == null) { 3099 p = mPackages.get(packageName); 3100 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3101 return null; 3102 } 3103 } 3104 if (DEBUG_PACKAGE_INFO) 3105 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3106 if (p != null) { 3107 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3108 } 3109 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3110 final PackageSetting ps = mSettings.mPackages.get(packageName); 3111 return generatePackageInfo(ps, flags, userId); 3112 } 3113 } 3114 return null; 3115 } 3116 3117 @Override 3118 public String[] currentToCanonicalPackageNames(String[] names) { 3119 String[] out = new String[names.length]; 3120 // reader 3121 synchronized (mPackages) { 3122 for (int i=names.length-1; i>=0; i--) { 3123 PackageSetting ps = mSettings.mPackages.get(names[i]); 3124 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3125 } 3126 } 3127 return out; 3128 } 3129 3130 @Override 3131 public String[] canonicalToCurrentPackageNames(String[] names) { 3132 String[] out = new String[names.length]; 3133 // reader 3134 synchronized (mPackages) { 3135 for (int i=names.length-1; i>=0; i--) { 3136 String cur = mSettings.mRenamedPackages.get(names[i]); 3137 out[i] = cur != null ? cur : names[i]; 3138 } 3139 } 3140 return out; 3141 } 3142 3143 @Override 3144 public int getPackageUid(String packageName, int flags, int userId) { 3145 if (!sUserManager.exists(userId)) return -1; 3146 flags = updateFlagsForPackage(flags, userId, packageName); 3147 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3148 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3149 3150 // reader 3151 synchronized (mPackages) { 3152 final PackageParser.Package p = mPackages.get(packageName); 3153 if (p != null && p.isMatch(flags)) { 3154 return UserHandle.getUid(userId, p.applicationInfo.uid); 3155 } 3156 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3157 final PackageSetting ps = mSettings.mPackages.get(packageName); 3158 if (ps != null && ps.isMatch(flags)) { 3159 return UserHandle.getUid(userId, ps.appId); 3160 } 3161 } 3162 } 3163 3164 return -1; 3165 } 3166 3167 @Override 3168 public int[] getPackageGids(String packageName, int flags, int userId) { 3169 if (!sUserManager.exists(userId)) return null; 3170 flags = updateFlagsForPackage(flags, userId, packageName); 3171 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3172 false /* requireFullPermission */, false /* checkShell */, 3173 "getPackageGids"); 3174 3175 // reader 3176 synchronized (mPackages) { 3177 final PackageParser.Package p = mPackages.get(packageName); 3178 if (p != null && p.isMatch(flags)) { 3179 PackageSetting ps = (PackageSetting) p.mExtras; 3180 return ps.getPermissionsState().computeGids(userId); 3181 } 3182 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3183 final PackageSetting ps = mSettings.mPackages.get(packageName); 3184 if (ps != null && ps.isMatch(flags)) { 3185 return ps.getPermissionsState().computeGids(userId); 3186 } 3187 } 3188 } 3189 3190 return null; 3191 } 3192 3193 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3194 if (bp.perm != null) { 3195 return PackageParser.generatePermissionInfo(bp.perm, flags); 3196 } 3197 PermissionInfo pi = new PermissionInfo(); 3198 pi.name = bp.name; 3199 pi.packageName = bp.sourcePackage; 3200 pi.nonLocalizedLabel = bp.name; 3201 pi.protectionLevel = bp.protectionLevel; 3202 return pi; 3203 } 3204 3205 @Override 3206 public PermissionInfo getPermissionInfo(String name, int flags) { 3207 // reader 3208 synchronized (mPackages) { 3209 final BasePermission p = mSettings.mPermissions.get(name); 3210 if (p != null) { 3211 return generatePermissionInfo(p, flags); 3212 } 3213 return null; 3214 } 3215 } 3216 3217 @Override 3218 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3219 int flags) { 3220 // reader 3221 synchronized (mPackages) { 3222 if (group != null && !mPermissionGroups.containsKey(group)) { 3223 // This is thrown as NameNotFoundException 3224 return null; 3225 } 3226 3227 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3228 for (BasePermission p : mSettings.mPermissions.values()) { 3229 if (group == null) { 3230 if (p.perm == null || p.perm.info.group == null) { 3231 out.add(generatePermissionInfo(p, flags)); 3232 } 3233 } else { 3234 if (p.perm != null && group.equals(p.perm.info.group)) { 3235 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3236 } 3237 } 3238 } 3239 return new ParceledListSlice<>(out); 3240 } 3241 } 3242 3243 @Override 3244 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3245 // reader 3246 synchronized (mPackages) { 3247 return PackageParser.generatePermissionGroupInfo( 3248 mPermissionGroups.get(name), flags); 3249 } 3250 } 3251 3252 @Override 3253 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3254 // reader 3255 synchronized (mPackages) { 3256 final int N = mPermissionGroups.size(); 3257 ArrayList<PermissionGroupInfo> out 3258 = new ArrayList<PermissionGroupInfo>(N); 3259 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3260 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3261 } 3262 return new ParceledListSlice<>(out); 3263 } 3264 } 3265 3266 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3267 int userId) { 3268 if (!sUserManager.exists(userId)) return null; 3269 PackageSetting ps = mSettings.mPackages.get(packageName); 3270 if (ps != null) { 3271 if (ps.pkg == null) { 3272 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3273 if (pInfo != null) { 3274 return pInfo.applicationInfo; 3275 } 3276 return null; 3277 } 3278 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3279 ps.readUserState(userId), userId); 3280 } 3281 return null; 3282 } 3283 3284 @Override 3285 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3286 if (!sUserManager.exists(userId)) return null; 3287 flags = updateFlagsForApplication(flags, userId, packageName); 3288 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3289 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3290 // writer 3291 synchronized (mPackages) { 3292 PackageParser.Package p = mPackages.get(packageName); 3293 if (DEBUG_PACKAGE_INFO) Log.v( 3294 TAG, "getApplicationInfo " + packageName 3295 + ": " + p); 3296 if (p != null) { 3297 PackageSetting ps = mSettings.mPackages.get(packageName); 3298 if (ps == null) return null; 3299 // Note: isEnabledLP() does not apply here - always return info 3300 return PackageParser.generateApplicationInfo( 3301 p, flags, ps.readUserState(userId), userId); 3302 } 3303 if ("android".equals(packageName)||"system".equals(packageName)) { 3304 return mAndroidApplication; 3305 } 3306 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3307 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3308 } 3309 } 3310 return null; 3311 } 3312 3313 @Override 3314 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3315 final IPackageDataObserver observer) { 3316 mContext.enforceCallingOrSelfPermission( 3317 android.Manifest.permission.CLEAR_APP_CACHE, null); 3318 // Queue up an async operation since clearing cache may take a little while. 3319 mHandler.post(new Runnable() { 3320 public void run() { 3321 mHandler.removeCallbacks(this); 3322 boolean success = true; 3323 synchronized (mInstallLock) { 3324 try { 3325 mInstaller.freeCache(volumeUuid, freeStorageSize); 3326 } catch (InstallerException e) { 3327 Slog.w(TAG, "Couldn't clear application caches: " + e); 3328 success = false; 3329 } 3330 } 3331 if (observer != null) { 3332 try { 3333 observer.onRemoveCompleted(null, success); 3334 } catch (RemoteException e) { 3335 Slog.w(TAG, "RemoveException when invoking call back"); 3336 } 3337 } 3338 } 3339 }); 3340 } 3341 3342 @Override 3343 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3344 final IntentSender pi) { 3345 mContext.enforceCallingOrSelfPermission( 3346 android.Manifest.permission.CLEAR_APP_CACHE, null); 3347 // Queue up an async operation since clearing cache may take a little while. 3348 mHandler.post(new Runnable() { 3349 public void run() { 3350 mHandler.removeCallbacks(this); 3351 boolean success = true; 3352 synchronized (mInstallLock) { 3353 try { 3354 mInstaller.freeCache(volumeUuid, freeStorageSize); 3355 } catch (InstallerException e) { 3356 Slog.w(TAG, "Couldn't clear application caches: " + e); 3357 success = false; 3358 } 3359 } 3360 if(pi != null) { 3361 try { 3362 // Callback via pending intent 3363 int code = success ? 1 : 0; 3364 pi.sendIntent(null, code, null, 3365 null, null); 3366 } catch (SendIntentException e1) { 3367 Slog.i(TAG, "Failed to send pending intent"); 3368 } 3369 } 3370 } 3371 }); 3372 } 3373 3374 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3375 synchronized (mInstallLock) { 3376 try { 3377 mInstaller.freeCache(volumeUuid, freeStorageSize); 3378 } catch (InstallerException e) { 3379 throw new IOException("Failed to free enough space", e); 3380 } 3381 } 3382 } 3383 3384 /** 3385 * Update given flags based on encryption status of current user. 3386 */ 3387 private int updateFlags(int flags, int userId) { 3388 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3389 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3390 // Caller expressed an explicit opinion about what encryption 3391 // aware/unaware components they want to see, so fall through and 3392 // give them what they want 3393 } else { 3394 // Caller expressed no opinion, so match based on user state 3395 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3396 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3397 } else { 3398 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3399 } 3400 } 3401 return flags; 3402 } 3403 3404 private UserManagerInternal getUserManagerInternal() { 3405 if (mUserManagerInternal == null) { 3406 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3407 } 3408 return mUserManagerInternal; 3409 } 3410 3411 /** 3412 * Update given flags when being used to request {@link PackageInfo}. 3413 */ 3414 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3415 boolean triaged = true; 3416 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3417 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3418 // Caller is asking for component details, so they'd better be 3419 // asking for specific encryption matching behavior, or be triaged 3420 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3421 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3422 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3423 triaged = false; 3424 } 3425 } 3426 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3427 | PackageManager.MATCH_SYSTEM_ONLY 3428 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3429 triaged = false; 3430 } 3431 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3432 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3433 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3434 } 3435 return updateFlags(flags, userId); 3436 } 3437 3438 /** 3439 * Update given flags when being used to request {@link ApplicationInfo}. 3440 */ 3441 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3442 return updateFlagsForPackage(flags, userId, cookie); 3443 } 3444 3445 /** 3446 * Update given flags when being used to request {@link ComponentInfo}. 3447 */ 3448 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3449 if (cookie instanceof Intent) { 3450 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3451 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3452 } 3453 } 3454 3455 boolean triaged = true; 3456 // Caller is asking for component details, so they'd better be 3457 // asking for specific encryption matching behavior, or be triaged 3458 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3459 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3460 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3461 triaged = false; 3462 } 3463 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3464 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3465 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3466 } 3467 3468 return updateFlags(flags, userId); 3469 } 3470 3471 /** 3472 * Update given flags when being used to request {@link ResolveInfo}. 3473 */ 3474 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3475 // Safe mode means we shouldn't match any third-party components 3476 if (mSafeMode) { 3477 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3478 } 3479 3480 return updateFlagsForComponent(flags, userId, cookie); 3481 } 3482 3483 @Override 3484 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3485 if (!sUserManager.exists(userId)) return null; 3486 flags = updateFlagsForComponent(flags, userId, component); 3487 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3488 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3489 synchronized (mPackages) { 3490 PackageParser.Activity a = mActivities.mActivities.get(component); 3491 3492 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3493 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3494 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3495 if (ps == null) return null; 3496 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3497 userId); 3498 } 3499 if (mResolveComponentName.equals(component)) { 3500 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3501 new PackageUserState(), userId); 3502 } 3503 } 3504 return null; 3505 } 3506 3507 @Override 3508 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3509 String resolvedType) { 3510 synchronized (mPackages) { 3511 if (component.equals(mResolveComponentName)) { 3512 // The resolver supports EVERYTHING! 3513 return true; 3514 } 3515 PackageParser.Activity a = mActivities.mActivities.get(component); 3516 if (a == null) { 3517 return false; 3518 } 3519 for (int i=0; i<a.intents.size(); i++) { 3520 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3521 intent.getData(), intent.getCategories(), TAG) >= 0) { 3522 return true; 3523 } 3524 } 3525 return false; 3526 } 3527 } 3528 3529 @Override 3530 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3531 if (!sUserManager.exists(userId)) return null; 3532 flags = updateFlagsForComponent(flags, userId, component); 3533 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3534 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3535 synchronized (mPackages) { 3536 PackageParser.Activity a = mReceivers.mActivities.get(component); 3537 if (DEBUG_PACKAGE_INFO) Log.v( 3538 TAG, "getReceiverInfo " + component + ": " + a); 3539 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3540 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3541 if (ps == null) return null; 3542 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3543 userId); 3544 } 3545 } 3546 return null; 3547 } 3548 3549 @Override 3550 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3551 if (!sUserManager.exists(userId)) return null; 3552 flags = updateFlagsForComponent(flags, userId, component); 3553 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3554 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3555 synchronized (mPackages) { 3556 PackageParser.Service s = mServices.mServices.get(component); 3557 if (DEBUG_PACKAGE_INFO) Log.v( 3558 TAG, "getServiceInfo " + component + ": " + s); 3559 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3560 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3561 if (ps == null) return null; 3562 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3563 userId); 3564 } 3565 } 3566 return null; 3567 } 3568 3569 @Override 3570 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3571 if (!sUserManager.exists(userId)) return null; 3572 flags = updateFlagsForComponent(flags, userId, component); 3573 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3574 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3575 synchronized (mPackages) { 3576 PackageParser.Provider p = mProviders.mProviders.get(component); 3577 if (DEBUG_PACKAGE_INFO) Log.v( 3578 TAG, "getProviderInfo " + component + ": " + p); 3579 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3580 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3581 if (ps == null) return null; 3582 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3583 userId); 3584 } 3585 } 3586 return null; 3587 } 3588 3589 @Override 3590 public String[] getSystemSharedLibraryNames() { 3591 Set<String> libSet; 3592 synchronized (mPackages) { 3593 libSet = mSharedLibraries.keySet(); 3594 int size = libSet.size(); 3595 if (size > 0) { 3596 String[] libs = new String[size]; 3597 libSet.toArray(libs); 3598 return libs; 3599 } 3600 } 3601 return null; 3602 } 3603 3604 @Override 3605 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3606 synchronized (mPackages) { 3607 return mServicesSystemSharedLibraryPackageName; 3608 } 3609 } 3610 3611 @Override 3612 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3613 synchronized (mPackages) { 3614 return mSharedSystemSharedLibraryPackageName; 3615 } 3616 } 3617 3618 @Override 3619 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3620 synchronized (mPackages) { 3621 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3622 3623 final FeatureInfo fi = new FeatureInfo(); 3624 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3625 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3626 res.add(fi); 3627 3628 return new ParceledListSlice<>(res); 3629 } 3630 } 3631 3632 @Override 3633 public boolean hasSystemFeature(String name, int version) { 3634 synchronized (mPackages) { 3635 final FeatureInfo feat = mAvailableFeatures.get(name); 3636 if (feat == null) { 3637 return false; 3638 } else { 3639 return feat.version >= version; 3640 } 3641 } 3642 } 3643 3644 @Override 3645 public int checkPermission(String permName, String pkgName, int userId) { 3646 if (!sUserManager.exists(userId)) { 3647 return PackageManager.PERMISSION_DENIED; 3648 } 3649 3650 synchronized (mPackages) { 3651 final PackageParser.Package p = mPackages.get(pkgName); 3652 if (p != null && p.mExtras != null) { 3653 final PackageSetting ps = (PackageSetting) p.mExtras; 3654 final PermissionsState permissionsState = ps.getPermissionsState(); 3655 if (permissionsState.hasPermission(permName, userId)) { 3656 return PackageManager.PERMISSION_GRANTED; 3657 } 3658 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3659 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3660 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3661 return PackageManager.PERMISSION_GRANTED; 3662 } 3663 } 3664 } 3665 3666 return PackageManager.PERMISSION_DENIED; 3667 } 3668 3669 @Override 3670 public int checkUidPermission(String permName, int uid) { 3671 final int userId = UserHandle.getUserId(uid); 3672 3673 if (!sUserManager.exists(userId)) { 3674 return PackageManager.PERMISSION_DENIED; 3675 } 3676 3677 synchronized (mPackages) { 3678 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3679 if (obj != null) { 3680 final SettingBase ps = (SettingBase) obj; 3681 final PermissionsState permissionsState = ps.getPermissionsState(); 3682 if (permissionsState.hasPermission(permName, userId)) { 3683 return PackageManager.PERMISSION_GRANTED; 3684 } 3685 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3686 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3687 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3688 return PackageManager.PERMISSION_GRANTED; 3689 } 3690 } else { 3691 ArraySet<String> perms = mSystemPermissions.get(uid); 3692 if (perms != null) { 3693 if (perms.contains(permName)) { 3694 return PackageManager.PERMISSION_GRANTED; 3695 } 3696 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3697 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3698 return PackageManager.PERMISSION_GRANTED; 3699 } 3700 } 3701 } 3702 } 3703 3704 return PackageManager.PERMISSION_DENIED; 3705 } 3706 3707 @Override 3708 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3709 if (UserHandle.getCallingUserId() != userId) { 3710 mContext.enforceCallingPermission( 3711 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3712 "isPermissionRevokedByPolicy for user " + userId); 3713 } 3714 3715 if (checkPermission(permission, packageName, userId) 3716 == PackageManager.PERMISSION_GRANTED) { 3717 return false; 3718 } 3719 3720 final long identity = Binder.clearCallingIdentity(); 3721 try { 3722 final int flags = getPermissionFlags(permission, packageName, userId); 3723 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3724 } finally { 3725 Binder.restoreCallingIdentity(identity); 3726 } 3727 } 3728 3729 @Override 3730 public String getPermissionControllerPackageName() { 3731 synchronized (mPackages) { 3732 return mRequiredInstallerPackage; 3733 } 3734 } 3735 3736 /** 3737 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3738 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3739 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3740 * @param message the message to log on security exception 3741 */ 3742 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3743 boolean checkShell, String message) { 3744 if (userId < 0) { 3745 throw new IllegalArgumentException("Invalid userId " + userId); 3746 } 3747 if (checkShell) { 3748 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3749 } 3750 if (userId == UserHandle.getUserId(callingUid)) return; 3751 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3752 if (requireFullPermission) { 3753 mContext.enforceCallingOrSelfPermission( 3754 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3755 } else { 3756 try { 3757 mContext.enforceCallingOrSelfPermission( 3758 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3759 } catch (SecurityException se) { 3760 mContext.enforceCallingOrSelfPermission( 3761 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3762 } 3763 } 3764 } 3765 } 3766 3767 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3768 if (callingUid == Process.SHELL_UID) { 3769 if (userHandle >= 0 3770 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3771 throw new SecurityException("Shell does not have permission to access user " 3772 + userHandle); 3773 } else if (userHandle < 0) { 3774 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3775 + Debug.getCallers(3)); 3776 } 3777 } 3778 } 3779 3780 private BasePermission findPermissionTreeLP(String permName) { 3781 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3782 if (permName.startsWith(bp.name) && 3783 permName.length() > bp.name.length() && 3784 permName.charAt(bp.name.length()) == '.') { 3785 return bp; 3786 } 3787 } 3788 return null; 3789 } 3790 3791 private BasePermission checkPermissionTreeLP(String permName) { 3792 if (permName != null) { 3793 BasePermission bp = findPermissionTreeLP(permName); 3794 if (bp != null) { 3795 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3796 return bp; 3797 } 3798 throw new SecurityException("Calling uid " 3799 + Binder.getCallingUid() 3800 + " is not allowed to add to permission tree " 3801 + bp.name + " owned by uid " + bp.uid); 3802 } 3803 } 3804 throw new SecurityException("No permission tree found for " + permName); 3805 } 3806 3807 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3808 if (s1 == null) { 3809 return s2 == null; 3810 } 3811 if (s2 == null) { 3812 return false; 3813 } 3814 if (s1.getClass() != s2.getClass()) { 3815 return false; 3816 } 3817 return s1.equals(s2); 3818 } 3819 3820 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3821 if (pi1.icon != pi2.icon) return false; 3822 if (pi1.logo != pi2.logo) return false; 3823 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3824 if (!compareStrings(pi1.name, pi2.name)) return false; 3825 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3826 // We'll take care of setting this one. 3827 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3828 // These are not currently stored in settings. 3829 //if (!compareStrings(pi1.group, pi2.group)) return false; 3830 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3831 //if (pi1.labelRes != pi2.labelRes) return false; 3832 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3833 return true; 3834 } 3835 3836 int permissionInfoFootprint(PermissionInfo info) { 3837 int size = info.name.length(); 3838 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3839 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3840 return size; 3841 } 3842 3843 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3844 int size = 0; 3845 for (BasePermission perm : mSettings.mPermissions.values()) { 3846 if (perm.uid == tree.uid) { 3847 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3848 } 3849 } 3850 return size; 3851 } 3852 3853 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3854 // We calculate the max size of permissions defined by this uid and throw 3855 // if that plus the size of 'info' would exceed our stated maximum. 3856 if (tree.uid != Process.SYSTEM_UID) { 3857 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3858 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3859 throw new SecurityException("Permission tree size cap exceeded"); 3860 } 3861 } 3862 } 3863 3864 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3865 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3866 throw new SecurityException("Label must be specified in permission"); 3867 } 3868 BasePermission tree = checkPermissionTreeLP(info.name); 3869 BasePermission bp = mSettings.mPermissions.get(info.name); 3870 boolean added = bp == null; 3871 boolean changed = true; 3872 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3873 if (added) { 3874 enforcePermissionCapLocked(info, tree); 3875 bp = new BasePermission(info.name, tree.sourcePackage, 3876 BasePermission.TYPE_DYNAMIC); 3877 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3878 throw new SecurityException( 3879 "Not allowed to modify non-dynamic permission " 3880 + info.name); 3881 } else { 3882 if (bp.protectionLevel == fixedLevel 3883 && bp.perm.owner.equals(tree.perm.owner) 3884 && bp.uid == tree.uid 3885 && comparePermissionInfos(bp.perm.info, info)) { 3886 changed = false; 3887 } 3888 } 3889 bp.protectionLevel = fixedLevel; 3890 info = new PermissionInfo(info); 3891 info.protectionLevel = fixedLevel; 3892 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3893 bp.perm.info.packageName = tree.perm.info.packageName; 3894 bp.uid = tree.uid; 3895 if (added) { 3896 mSettings.mPermissions.put(info.name, bp); 3897 } 3898 if (changed) { 3899 if (!async) { 3900 mSettings.writeLPr(); 3901 } else { 3902 scheduleWriteSettingsLocked(); 3903 } 3904 } 3905 return added; 3906 } 3907 3908 @Override 3909 public boolean addPermission(PermissionInfo info) { 3910 synchronized (mPackages) { 3911 return addPermissionLocked(info, false); 3912 } 3913 } 3914 3915 @Override 3916 public boolean addPermissionAsync(PermissionInfo info) { 3917 synchronized (mPackages) { 3918 return addPermissionLocked(info, true); 3919 } 3920 } 3921 3922 @Override 3923 public void removePermission(String name) { 3924 synchronized (mPackages) { 3925 checkPermissionTreeLP(name); 3926 BasePermission bp = mSettings.mPermissions.get(name); 3927 if (bp != null) { 3928 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3929 throw new SecurityException( 3930 "Not allowed to modify non-dynamic permission " 3931 + name); 3932 } 3933 mSettings.mPermissions.remove(name); 3934 mSettings.writeLPr(); 3935 } 3936 } 3937 } 3938 3939 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3940 BasePermission bp) { 3941 int index = pkg.requestedPermissions.indexOf(bp.name); 3942 if (index == -1) { 3943 throw new SecurityException("Package " + pkg.packageName 3944 + " has not requested permission " + bp.name); 3945 } 3946 if (!bp.isRuntime() && !bp.isDevelopment()) { 3947 throw new SecurityException("Permission " + bp.name 3948 + " is not a changeable permission type"); 3949 } 3950 } 3951 3952 @Override 3953 public void grantRuntimePermission(String packageName, String name, final int userId) { 3954 if (!sUserManager.exists(userId)) { 3955 Log.e(TAG, "No such user:" + userId); 3956 return; 3957 } 3958 3959 mContext.enforceCallingOrSelfPermission( 3960 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3961 "grantRuntimePermission"); 3962 3963 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3964 true /* requireFullPermission */, true /* checkShell */, 3965 "grantRuntimePermission"); 3966 3967 final int uid; 3968 final SettingBase sb; 3969 3970 synchronized (mPackages) { 3971 final PackageParser.Package pkg = mPackages.get(packageName); 3972 if (pkg == null) { 3973 throw new IllegalArgumentException("Unknown package: " + packageName); 3974 } 3975 3976 final BasePermission bp = mSettings.mPermissions.get(name); 3977 if (bp == null) { 3978 throw new IllegalArgumentException("Unknown permission: " + name); 3979 } 3980 3981 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3982 3983 // If a permission review is required for legacy apps we represent 3984 // their permissions as always granted runtime ones since we need 3985 // to keep the review required permission flag per user while an 3986 // install permission's state is shared across all users. 3987 if (Build.PERMISSIONS_REVIEW_REQUIRED 3988 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3989 && bp.isRuntime()) { 3990 return; 3991 } 3992 3993 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3994 sb = (SettingBase) pkg.mExtras; 3995 if (sb == null) { 3996 throw new IllegalArgumentException("Unknown package: " + packageName); 3997 } 3998 3999 final PermissionsState permissionsState = sb.getPermissionsState(); 4000 4001 final int flags = permissionsState.getPermissionFlags(name, userId); 4002 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4003 throw new SecurityException("Cannot grant system fixed permission " 4004 + name + " for package " + packageName); 4005 } 4006 4007 if (bp.isDevelopment()) { 4008 // Development permissions must be handled specially, since they are not 4009 // normal runtime permissions. For now they apply to all users. 4010 if (permissionsState.grantInstallPermission(bp) != 4011 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4012 scheduleWriteSettingsLocked(); 4013 } 4014 return; 4015 } 4016 4017 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4018 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4019 return; 4020 } 4021 4022 final int result = permissionsState.grantRuntimePermission(bp, userId); 4023 switch (result) { 4024 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4025 return; 4026 } 4027 4028 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4029 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4030 mHandler.post(new Runnable() { 4031 @Override 4032 public void run() { 4033 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4034 } 4035 }); 4036 } 4037 break; 4038 } 4039 4040 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4041 4042 // Not critical if that is lost - app has to request again. 4043 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4044 } 4045 4046 // Only need to do this if user is initialized. Otherwise it's a new user 4047 // and there are no processes running as the user yet and there's no need 4048 // to make an expensive call to remount processes for the changed permissions. 4049 if (READ_EXTERNAL_STORAGE.equals(name) 4050 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4051 final long token = Binder.clearCallingIdentity(); 4052 try { 4053 if (sUserManager.isInitialized(userId)) { 4054 MountServiceInternal mountServiceInternal = LocalServices.getService( 4055 MountServiceInternal.class); 4056 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4057 } 4058 } finally { 4059 Binder.restoreCallingIdentity(token); 4060 } 4061 } 4062 } 4063 4064 @Override 4065 public void revokeRuntimePermission(String packageName, String name, int userId) { 4066 if (!sUserManager.exists(userId)) { 4067 Log.e(TAG, "No such user:" + userId); 4068 return; 4069 } 4070 4071 mContext.enforceCallingOrSelfPermission( 4072 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4073 "revokeRuntimePermission"); 4074 4075 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4076 true /* requireFullPermission */, true /* checkShell */, 4077 "revokeRuntimePermission"); 4078 4079 final int appId; 4080 4081 synchronized (mPackages) { 4082 final PackageParser.Package pkg = mPackages.get(packageName); 4083 if (pkg == null) { 4084 throw new IllegalArgumentException("Unknown package: " + packageName); 4085 } 4086 4087 final BasePermission bp = mSettings.mPermissions.get(name); 4088 if (bp == null) { 4089 throw new IllegalArgumentException("Unknown permission: " + name); 4090 } 4091 4092 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4093 4094 // If a permission review is required for legacy apps we represent 4095 // their permissions as always granted runtime ones since we need 4096 // to keep the review required permission flag per user while an 4097 // install permission's state is shared across all users. 4098 if (Build.PERMISSIONS_REVIEW_REQUIRED 4099 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4100 && bp.isRuntime()) { 4101 return; 4102 } 4103 4104 SettingBase sb = (SettingBase) pkg.mExtras; 4105 if (sb == null) { 4106 throw new IllegalArgumentException("Unknown package: " + packageName); 4107 } 4108 4109 final PermissionsState permissionsState = sb.getPermissionsState(); 4110 4111 final int flags = permissionsState.getPermissionFlags(name, userId); 4112 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4113 throw new SecurityException("Cannot revoke system fixed permission " 4114 + name + " for package " + packageName); 4115 } 4116 4117 if (bp.isDevelopment()) { 4118 // Development permissions must be handled specially, since they are not 4119 // normal runtime permissions. For now they apply to all users. 4120 if (permissionsState.revokeInstallPermission(bp) != 4121 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4122 scheduleWriteSettingsLocked(); 4123 } 4124 return; 4125 } 4126 4127 if (permissionsState.revokeRuntimePermission(bp, userId) == 4128 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4129 return; 4130 } 4131 4132 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4133 4134 // Critical, after this call app should never have the permission. 4135 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4136 4137 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4138 } 4139 4140 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4141 } 4142 4143 @Override 4144 public void resetRuntimePermissions() { 4145 mContext.enforceCallingOrSelfPermission( 4146 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4147 "revokeRuntimePermission"); 4148 4149 int callingUid = Binder.getCallingUid(); 4150 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4151 mContext.enforceCallingOrSelfPermission( 4152 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4153 "resetRuntimePermissions"); 4154 } 4155 4156 synchronized (mPackages) { 4157 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4158 for (int userId : UserManagerService.getInstance().getUserIds()) { 4159 final int packageCount = mPackages.size(); 4160 for (int i = 0; i < packageCount; i++) { 4161 PackageParser.Package pkg = mPackages.valueAt(i); 4162 if (!(pkg.mExtras instanceof PackageSetting)) { 4163 continue; 4164 } 4165 PackageSetting ps = (PackageSetting) pkg.mExtras; 4166 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4167 } 4168 } 4169 } 4170 } 4171 4172 @Override 4173 public int getPermissionFlags(String name, String packageName, int userId) { 4174 if (!sUserManager.exists(userId)) { 4175 return 0; 4176 } 4177 4178 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4179 4180 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4181 true /* requireFullPermission */, false /* checkShell */, 4182 "getPermissionFlags"); 4183 4184 synchronized (mPackages) { 4185 final PackageParser.Package pkg = mPackages.get(packageName); 4186 if (pkg == null) { 4187 return 0; 4188 } 4189 4190 final BasePermission bp = mSettings.mPermissions.get(name); 4191 if (bp == null) { 4192 return 0; 4193 } 4194 4195 SettingBase sb = (SettingBase) pkg.mExtras; 4196 if (sb == null) { 4197 return 0; 4198 } 4199 4200 PermissionsState permissionsState = sb.getPermissionsState(); 4201 return permissionsState.getPermissionFlags(name, userId); 4202 } 4203 } 4204 4205 @Override 4206 public void updatePermissionFlags(String name, String packageName, int flagMask, 4207 int flagValues, int userId) { 4208 if (!sUserManager.exists(userId)) { 4209 return; 4210 } 4211 4212 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4213 4214 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4215 true /* requireFullPermission */, true /* checkShell */, 4216 "updatePermissionFlags"); 4217 4218 // Only the system can change these flags and nothing else. 4219 if (getCallingUid() != Process.SYSTEM_UID) { 4220 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4221 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4222 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4223 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4224 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4225 } 4226 4227 synchronized (mPackages) { 4228 final PackageParser.Package pkg = mPackages.get(packageName); 4229 if (pkg == null) { 4230 throw new IllegalArgumentException("Unknown package: " + packageName); 4231 } 4232 4233 final BasePermission bp = mSettings.mPermissions.get(name); 4234 if (bp == null) { 4235 throw new IllegalArgumentException("Unknown permission: " + name); 4236 } 4237 4238 SettingBase sb = (SettingBase) pkg.mExtras; 4239 if (sb == null) { 4240 throw new IllegalArgumentException("Unknown package: " + packageName); 4241 } 4242 4243 PermissionsState permissionsState = sb.getPermissionsState(); 4244 4245 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4246 4247 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4248 // Install and runtime permissions are stored in different places, 4249 // so figure out what permission changed and persist the change. 4250 if (permissionsState.getInstallPermissionState(name) != null) { 4251 scheduleWriteSettingsLocked(); 4252 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4253 || hadState) { 4254 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4255 } 4256 } 4257 } 4258 } 4259 4260 /** 4261 * Update the permission flags for all packages and runtime permissions of a user in order 4262 * to allow device or profile owner to remove POLICY_FIXED. 4263 */ 4264 @Override 4265 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4266 if (!sUserManager.exists(userId)) { 4267 return; 4268 } 4269 4270 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4271 4272 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4273 true /* requireFullPermission */, true /* checkShell */, 4274 "updatePermissionFlagsForAllApps"); 4275 4276 // Only the system can change system fixed flags. 4277 if (getCallingUid() != Process.SYSTEM_UID) { 4278 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4279 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4280 } 4281 4282 synchronized (mPackages) { 4283 boolean changed = false; 4284 final int packageCount = mPackages.size(); 4285 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4286 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4287 SettingBase sb = (SettingBase) pkg.mExtras; 4288 if (sb == null) { 4289 continue; 4290 } 4291 PermissionsState permissionsState = sb.getPermissionsState(); 4292 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4293 userId, flagMask, flagValues); 4294 } 4295 if (changed) { 4296 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4297 } 4298 } 4299 } 4300 4301 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4302 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4303 != PackageManager.PERMISSION_GRANTED 4304 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4305 != PackageManager.PERMISSION_GRANTED) { 4306 throw new SecurityException(message + " requires " 4307 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4308 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4309 } 4310 } 4311 4312 @Override 4313 public boolean shouldShowRequestPermissionRationale(String permissionName, 4314 String packageName, int userId) { 4315 if (UserHandle.getCallingUserId() != userId) { 4316 mContext.enforceCallingPermission( 4317 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4318 "canShowRequestPermissionRationale for user " + userId); 4319 } 4320 4321 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4322 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4323 return false; 4324 } 4325 4326 if (checkPermission(permissionName, packageName, userId) 4327 == PackageManager.PERMISSION_GRANTED) { 4328 return false; 4329 } 4330 4331 final int flags; 4332 4333 final long identity = Binder.clearCallingIdentity(); 4334 try { 4335 flags = getPermissionFlags(permissionName, 4336 packageName, userId); 4337 } finally { 4338 Binder.restoreCallingIdentity(identity); 4339 } 4340 4341 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4342 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4343 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4344 4345 if ((flags & fixedFlags) != 0) { 4346 return false; 4347 } 4348 4349 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4350 } 4351 4352 @Override 4353 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4354 mContext.enforceCallingOrSelfPermission( 4355 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4356 "addOnPermissionsChangeListener"); 4357 4358 synchronized (mPackages) { 4359 mOnPermissionChangeListeners.addListenerLocked(listener); 4360 } 4361 } 4362 4363 @Override 4364 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4365 synchronized (mPackages) { 4366 mOnPermissionChangeListeners.removeListenerLocked(listener); 4367 } 4368 } 4369 4370 @Override 4371 public boolean isProtectedBroadcast(String actionName) { 4372 synchronized (mPackages) { 4373 if (mProtectedBroadcasts.contains(actionName)) { 4374 return true; 4375 } else if (actionName != null) { 4376 // TODO: remove these terrible hacks 4377 if (actionName.startsWith("android.net.netmon.lingerExpired") 4378 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4379 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4380 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4381 return true; 4382 } 4383 } 4384 } 4385 return false; 4386 } 4387 4388 @Override 4389 public int checkSignatures(String pkg1, String pkg2) { 4390 synchronized (mPackages) { 4391 final PackageParser.Package p1 = mPackages.get(pkg1); 4392 final PackageParser.Package p2 = mPackages.get(pkg2); 4393 if (p1 == null || p1.mExtras == null 4394 || p2 == null || p2.mExtras == null) { 4395 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4396 } 4397 return compareSignatures(p1.mSignatures, p2.mSignatures); 4398 } 4399 } 4400 4401 @Override 4402 public int checkUidSignatures(int uid1, int uid2) { 4403 // Map to base uids. 4404 uid1 = UserHandle.getAppId(uid1); 4405 uid2 = UserHandle.getAppId(uid2); 4406 // reader 4407 synchronized (mPackages) { 4408 Signature[] s1; 4409 Signature[] s2; 4410 Object obj = mSettings.getUserIdLPr(uid1); 4411 if (obj != null) { 4412 if (obj instanceof SharedUserSetting) { 4413 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4414 } else if (obj instanceof PackageSetting) { 4415 s1 = ((PackageSetting)obj).signatures.mSignatures; 4416 } else { 4417 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4418 } 4419 } else { 4420 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4421 } 4422 obj = mSettings.getUserIdLPr(uid2); 4423 if (obj != null) { 4424 if (obj instanceof SharedUserSetting) { 4425 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4426 } else if (obj instanceof PackageSetting) { 4427 s2 = ((PackageSetting)obj).signatures.mSignatures; 4428 } else { 4429 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4430 } 4431 } else { 4432 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4433 } 4434 return compareSignatures(s1, s2); 4435 } 4436 } 4437 4438 /** 4439 * This method should typically only be used when granting or revoking 4440 * permissions, since the app may immediately restart after this call. 4441 * <p> 4442 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4443 * guard your work against the app being relaunched. 4444 */ 4445 private void killUid(int appId, int userId, String reason) { 4446 final long identity = Binder.clearCallingIdentity(); 4447 try { 4448 IActivityManager am = ActivityManagerNative.getDefault(); 4449 if (am != null) { 4450 try { 4451 am.killUid(appId, userId, reason); 4452 } catch (RemoteException e) { 4453 /* ignore - same process */ 4454 } 4455 } 4456 } finally { 4457 Binder.restoreCallingIdentity(identity); 4458 } 4459 } 4460 4461 /** 4462 * Compares two sets of signatures. Returns: 4463 * <br /> 4464 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4465 * <br /> 4466 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4467 * <br /> 4468 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4469 * <br /> 4470 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4471 * <br /> 4472 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4473 */ 4474 static int compareSignatures(Signature[] s1, Signature[] s2) { 4475 if (s1 == null) { 4476 return s2 == null 4477 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4478 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4479 } 4480 4481 if (s2 == null) { 4482 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4483 } 4484 4485 if (s1.length != s2.length) { 4486 return PackageManager.SIGNATURE_NO_MATCH; 4487 } 4488 4489 // Since both signature sets are of size 1, we can compare without HashSets. 4490 if (s1.length == 1) { 4491 return s1[0].equals(s2[0]) ? 4492 PackageManager.SIGNATURE_MATCH : 4493 PackageManager.SIGNATURE_NO_MATCH; 4494 } 4495 4496 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4497 for (Signature sig : s1) { 4498 set1.add(sig); 4499 } 4500 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4501 for (Signature sig : s2) { 4502 set2.add(sig); 4503 } 4504 // Make sure s2 contains all signatures in s1. 4505 if (set1.equals(set2)) { 4506 return PackageManager.SIGNATURE_MATCH; 4507 } 4508 return PackageManager.SIGNATURE_NO_MATCH; 4509 } 4510 4511 /** 4512 * If the database version for this type of package (internal storage or 4513 * external storage) is less than the version where package signatures 4514 * were updated, return true. 4515 */ 4516 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4517 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4518 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4519 } 4520 4521 /** 4522 * Used for backward compatibility to make sure any packages with 4523 * certificate chains get upgraded to the new style. {@code existingSigs} 4524 * will be in the old format (since they were stored on disk from before the 4525 * system upgrade) and {@code scannedSigs} will be in the newer format. 4526 */ 4527 private int compareSignaturesCompat(PackageSignatures existingSigs, 4528 PackageParser.Package scannedPkg) { 4529 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4530 return PackageManager.SIGNATURE_NO_MATCH; 4531 } 4532 4533 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4534 for (Signature sig : existingSigs.mSignatures) { 4535 existingSet.add(sig); 4536 } 4537 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4538 for (Signature sig : scannedPkg.mSignatures) { 4539 try { 4540 Signature[] chainSignatures = sig.getChainSignatures(); 4541 for (Signature chainSig : chainSignatures) { 4542 scannedCompatSet.add(chainSig); 4543 } 4544 } catch (CertificateEncodingException e) { 4545 scannedCompatSet.add(sig); 4546 } 4547 } 4548 /* 4549 * Make sure the expanded scanned set contains all signatures in the 4550 * existing one. 4551 */ 4552 if (scannedCompatSet.equals(existingSet)) { 4553 // Migrate the old signatures to the new scheme. 4554 existingSigs.assignSignatures(scannedPkg.mSignatures); 4555 // The new KeySets will be re-added later in the scanning process. 4556 synchronized (mPackages) { 4557 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4558 } 4559 return PackageManager.SIGNATURE_MATCH; 4560 } 4561 return PackageManager.SIGNATURE_NO_MATCH; 4562 } 4563 4564 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4565 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4566 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4567 } 4568 4569 private int compareSignaturesRecover(PackageSignatures existingSigs, 4570 PackageParser.Package scannedPkg) { 4571 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4572 return PackageManager.SIGNATURE_NO_MATCH; 4573 } 4574 4575 String msg = null; 4576 try { 4577 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4578 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4579 + scannedPkg.packageName); 4580 return PackageManager.SIGNATURE_MATCH; 4581 } 4582 } catch (CertificateException e) { 4583 msg = e.getMessage(); 4584 } 4585 4586 logCriticalInfo(Log.INFO, 4587 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4588 return PackageManager.SIGNATURE_NO_MATCH; 4589 } 4590 4591 @Override 4592 public List<String> getAllPackages() { 4593 synchronized (mPackages) { 4594 return new ArrayList<String>(mPackages.keySet()); 4595 } 4596 } 4597 4598 @Override 4599 public String[] getPackagesForUid(int uid) { 4600 uid = UserHandle.getAppId(uid); 4601 // reader 4602 synchronized (mPackages) { 4603 Object obj = mSettings.getUserIdLPr(uid); 4604 if (obj instanceof SharedUserSetting) { 4605 final SharedUserSetting sus = (SharedUserSetting) obj; 4606 final int N = sus.packages.size(); 4607 final String[] res = new String[N]; 4608 for (int i = 0; i < N; i++) { 4609 res[i] = sus.packages.valueAt(i).name; 4610 } 4611 return res; 4612 } else if (obj instanceof PackageSetting) { 4613 final PackageSetting ps = (PackageSetting) obj; 4614 return new String[] { ps.name }; 4615 } 4616 } 4617 return null; 4618 } 4619 4620 @Override 4621 public String getNameForUid(int uid) { 4622 // reader 4623 synchronized (mPackages) { 4624 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4625 if (obj instanceof SharedUserSetting) { 4626 final SharedUserSetting sus = (SharedUserSetting) obj; 4627 return sus.name + ":" + sus.userId; 4628 } else if (obj instanceof PackageSetting) { 4629 final PackageSetting ps = (PackageSetting) obj; 4630 return ps.name; 4631 } 4632 } 4633 return null; 4634 } 4635 4636 @Override 4637 public int getUidForSharedUser(String sharedUserName) { 4638 if(sharedUserName == null) { 4639 return -1; 4640 } 4641 // reader 4642 synchronized (mPackages) { 4643 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4644 if (suid == null) { 4645 return -1; 4646 } 4647 return suid.userId; 4648 } 4649 } 4650 4651 @Override 4652 public int getFlagsForUid(int uid) { 4653 synchronized (mPackages) { 4654 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4655 if (obj instanceof SharedUserSetting) { 4656 final SharedUserSetting sus = (SharedUserSetting) obj; 4657 return sus.pkgFlags; 4658 } else if (obj instanceof PackageSetting) { 4659 final PackageSetting ps = (PackageSetting) obj; 4660 return ps.pkgFlags; 4661 } 4662 } 4663 return 0; 4664 } 4665 4666 @Override 4667 public int getPrivateFlagsForUid(int uid) { 4668 synchronized (mPackages) { 4669 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4670 if (obj instanceof SharedUserSetting) { 4671 final SharedUserSetting sus = (SharedUserSetting) obj; 4672 return sus.pkgPrivateFlags; 4673 } else if (obj instanceof PackageSetting) { 4674 final PackageSetting ps = (PackageSetting) obj; 4675 return ps.pkgPrivateFlags; 4676 } 4677 } 4678 return 0; 4679 } 4680 4681 @Override 4682 public boolean isUidPrivileged(int uid) { 4683 uid = UserHandle.getAppId(uid); 4684 // reader 4685 synchronized (mPackages) { 4686 Object obj = mSettings.getUserIdLPr(uid); 4687 if (obj instanceof SharedUserSetting) { 4688 final SharedUserSetting sus = (SharedUserSetting) obj; 4689 final Iterator<PackageSetting> it = sus.packages.iterator(); 4690 while (it.hasNext()) { 4691 if (it.next().isPrivileged()) { 4692 return true; 4693 } 4694 } 4695 } else if (obj instanceof PackageSetting) { 4696 final PackageSetting ps = (PackageSetting) obj; 4697 return ps.isPrivileged(); 4698 } 4699 } 4700 return false; 4701 } 4702 4703 @Override 4704 public String[] getAppOpPermissionPackages(String permissionName) { 4705 synchronized (mPackages) { 4706 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4707 if (pkgs == null) { 4708 return null; 4709 } 4710 return pkgs.toArray(new String[pkgs.size()]); 4711 } 4712 } 4713 4714 @Override 4715 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4716 int flags, int userId) { 4717 try { 4718 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4719 4720 if (!sUserManager.exists(userId)) return null; 4721 flags = updateFlagsForResolve(flags, userId, intent); 4722 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4723 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4724 4725 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4726 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4727 flags, userId); 4728 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4729 4730 final ResolveInfo bestChoice = 4731 chooseBestActivity(intent, resolvedType, flags, query, userId); 4732 return bestChoice; 4733 } finally { 4734 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4735 } 4736 } 4737 4738 @Override 4739 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4740 IntentFilter filter, int match, ComponentName activity) { 4741 final int userId = UserHandle.getCallingUserId(); 4742 if (DEBUG_PREFERRED) { 4743 Log.v(TAG, "setLastChosenActivity intent=" + intent 4744 + " resolvedType=" + resolvedType 4745 + " flags=" + flags 4746 + " filter=" + filter 4747 + " match=" + match 4748 + " activity=" + activity); 4749 filter.dump(new PrintStreamPrinter(System.out), " "); 4750 } 4751 intent.setComponent(null); 4752 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4753 userId); 4754 // Find any earlier preferred or last chosen entries and nuke them 4755 findPreferredActivity(intent, resolvedType, 4756 flags, query, 0, false, true, false, userId); 4757 // Add the new activity as the last chosen for this filter 4758 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4759 "Setting last chosen"); 4760 } 4761 4762 @Override 4763 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4764 final int userId = UserHandle.getCallingUserId(); 4765 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4766 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4767 userId); 4768 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4769 false, false, false, userId); 4770 } 4771 4772 private boolean isEphemeralDisabled() { 4773 // ephemeral apps have been disabled across the board 4774 if (DISABLE_EPHEMERAL_APPS) { 4775 return true; 4776 } 4777 // system isn't up yet; can't read settings, so, assume no ephemeral apps 4778 if (!mSystemReady) { 4779 return true; 4780 } 4781 return Secure.getInt(mContext.getContentResolver(), Secure.WEB_ACTION_ENABLED, 1) == 0; 4782 } 4783 4784 private boolean isEphemeralAllowed( 4785 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 4786 boolean skipPackageCheck) { 4787 // Short circuit and return early if possible. 4788 if (isEphemeralDisabled()) { 4789 return false; 4790 } 4791 final int callingUser = UserHandle.getCallingUserId(); 4792 if (callingUser != UserHandle.USER_SYSTEM) { 4793 return false; 4794 } 4795 if (mEphemeralResolverConnection == null) { 4796 return false; 4797 } 4798 if (intent.getComponent() != null) { 4799 return false; 4800 } 4801 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 4802 return false; 4803 } 4804 if (!skipPackageCheck && intent.getPackage() != null) { 4805 return false; 4806 } 4807 final boolean isWebUri = hasWebURI(intent); 4808 if (!isWebUri || intent.getData().getHost() == null) { 4809 return false; 4810 } 4811 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4812 synchronized (mPackages) { 4813 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 4814 for (int n = 0; n < count; n++) { 4815 ResolveInfo info = resolvedActivities.get(n); 4816 String packageName = info.activityInfo.packageName; 4817 PackageSetting ps = mSettings.mPackages.get(packageName); 4818 if (ps != null) { 4819 // Try to get the status from User settings first 4820 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4821 int status = (int) (packedStatus >> 32); 4822 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4823 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4824 if (DEBUG_EPHEMERAL) { 4825 Slog.v(TAG, "DENY ephemeral apps;" 4826 + " pkg: " + packageName + ", status: " + status); 4827 } 4828 return false; 4829 } 4830 } 4831 } 4832 } 4833 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4834 return true; 4835 } 4836 4837 private static EphemeralResolveInfo getEphemeralResolveInfo( 4838 Context context, EphemeralResolverConnection resolverConnection, Intent intent, 4839 String resolvedType, int userId, String packageName) { 4840 final int ephemeralPrefixMask = Global.getInt(context.getContentResolver(), 4841 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 4842 final int ephemeralPrefixCount = Global.getInt(context.getContentResolver(), 4843 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 4844 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 4845 ephemeralPrefixCount); 4846 final int[] shaPrefix = digest.getDigestPrefix(); 4847 final byte[][] digestBytes = digest.getDigestBytes(); 4848 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4849 resolverConnection.getEphemeralResolveInfoList(shaPrefix, ephemeralPrefixMask); 4850 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4851 // No hash prefix match; there are no ephemeral apps for this domain. 4852 return null; 4853 } 4854 4855 // Go in reverse order so we match the narrowest scope first. 4856 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 4857 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 4858 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 4859 continue; 4860 } 4861 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4862 // No filters; this should never happen. 4863 if (filters.isEmpty()) { 4864 continue; 4865 } 4866 if (packageName != null 4867 && !packageName.equals(ephemeralApplication.getPackageName())) { 4868 continue; 4869 } 4870 // We have a domain match; resolve the filters to see if anything matches. 4871 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4872 for (int j = filters.size() - 1; j >= 0; --j) { 4873 final EphemeralResolveIntentInfo intentInfo = 4874 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4875 ephemeralResolver.addFilter(intentInfo); 4876 } 4877 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4878 intent, resolvedType, false /*defaultOnly*/, userId); 4879 if (!matchedResolveInfoList.isEmpty()) { 4880 return matchedResolveInfoList.get(0); 4881 } 4882 } 4883 } 4884 // Hash or filter mis-match; no ephemeral apps for this domain. 4885 return null; 4886 } 4887 4888 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4889 int flags, List<ResolveInfo> query, int userId) { 4890 if (query != null) { 4891 final int N = query.size(); 4892 if (N == 1) { 4893 return query.get(0); 4894 } else if (N > 1) { 4895 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4896 // If there is more than one activity with the same priority, 4897 // then let the user decide between them. 4898 ResolveInfo r0 = query.get(0); 4899 ResolveInfo r1 = query.get(1); 4900 if (DEBUG_INTENT_MATCHING || debug) { 4901 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4902 + r1.activityInfo.name + "=" + r1.priority); 4903 } 4904 // If the first activity has a higher priority, or a different 4905 // default, then it is always desirable to pick it. 4906 if (r0.priority != r1.priority 4907 || r0.preferredOrder != r1.preferredOrder 4908 || r0.isDefault != r1.isDefault) { 4909 return query.get(0); 4910 } 4911 // If we have saved a preference for a preferred activity for 4912 // this Intent, use that. 4913 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4914 flags, query, r0.priority, true, false, debug, userId); 4915 if (ri != null) { 4916 return ri; 4917 } 4918 ri = new ResolveInfo(mResolveInfo); 4919 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4920 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 4921 // If all of the options come from the same package, show the application's 4922 // label and icon instead of the generic resolver's. 4923 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 4924 // and then throw away the ResolveInfo itself, meaning that the caller loses 4925 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 4926 // a fallback for this case; we only set the target package's resources on 4927 // the ResolveInfo, not the ActivityInfo. 4928 final String intentPackage = intent.getPackage(); 4929 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 4930 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 4931 ri.resolvePackageName = intentPackage; 4932 if (userNeedsBadging(userId)) { 4933 ri.noResourceId = true; 4934 } else { 4935 ri.icon = appi.icon; 4936 } 4937 ri.iconResourceId = appi.icon; 4938 ri.labelRes = appi.labelRes; 4939 } 4940 ri.activityInfo.applicationInfo = new ApplicationInfo( 4941 ri.activityInfo.applicationInfo); 4942 if (userId != 0) { 4943 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4944 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4945 } 4946 // Make sure that the resolver is displayable in car mode 4947 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4948 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4949 return ri; 4950 } 4951 } 4952 return null; 4953 } 4954 4955 /** 4956 * Return true if the given list is not empty and all of its contents have 4957 * an activityInfo with the given package name. 4958 */ 4959 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 4960 if (ArrayUtils.isEmpty(list)) { 4961 return false; 4962 } 4963 for (int i = 0, N = list.size(); i < N; i++) { 4964 final ResolveInfo ri = list.get(i); 4965 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 4966 if (ai == null || !packageName.equals(ai.packageName)) { 4967 return false; 4968 } 4969 } 4970 return true; 4971 } 4972 4973 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4974 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4975 final int N = query.size(); 4976 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4977 .get(userId); 4978 // Get the list of persistent preferred activities that handle the intent 4979 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4980 List<PersistentPreferredActivity> pprefs = ppir != null 4981 ? ppir.queryIntent(intent, resolvedType, 4982 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4983 : null; 4984 if (pprefs != null && pprefs.size() > 0) { 4985 final int M = pprefs.size(); 4986 for (int i=0; i<M; i++) { 4987 final PersistentPreferredActivity ppa = pprefs.get(i); 4988 if (DEBUG_PREFERRED || debug) { 4989 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4990 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4991 + "\n component=" + ppa.mComponent); 4992 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4993 } 4994 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4995 flags | MATCH_DISABLED_COMPONENTS, userId); 4996 if (DEBUG_PREFERRED || debug) { 4997 Slog.v(TAG, "Found persistent preferred activity:"); 4998 if (ai != null) { 4999 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5000 } else { 5001 Slog.v(TAG, " null"); 5002 } 5003 } 5004 if (ai == null) { 5005 // This previously registered persistent preferred activity 5006 // component is no longer known. Ignore it and do NOT remove it. 5007 continue; 5008 } 5009 for (int j=0; j<N; j++) { 5010 final ResolveInfo ri = query.get(j); 5011 if (!ri.activityInfo.applicationInfo.packageName 5012 .equals(ai.applicationInfo.packageName)) { 5013 continue; 5014 } 5015 if (!ri.activityInfo.name.equals(ai.name)) { 5016 continue; 5017 } 5018 // Found a persistent preference that can handle the intent. 5019 if (DEBUG_PREFERRED || debug) { 5020 Slog.v(TAG, "Returning persistent preferred activity: " + 5021 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5022 } 5023 return ri; 5024 } 5025 } 5026 } 5027 return null; 5028 } 5029 5030 // TODO: handle preferred activities missing while user has amnesia 5031 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5032 List<ResolveInfo> query, int priority, boolean always, 5033 boolean removeMatches, boolean debug, int userId) { 5034 if (!sUserManager.exists(userId)) return null; 5035 flags = updateFlagsForResolve(flags, userId, intent); 5036 // writer 5037 synchronized (mPackages) { 5038 if (intent.getSelector() != null) { 5039 intent = intent.getSelector(); 5040 } 5041 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5042 5043 // Try to find a matching persistent preferred activity. 5044 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5045 debug, userId); 5046 5047 // If a persistent preferred activity matched, use it. 5048 if (pri != null) { 5049 return pri; 5050 } 5051 5052 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5053 // Get the list of preferred activities that handle the intent 5054 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5055 List<PreferredActivity> prefs = pir != null 5056 ? pir.queryIntent(intent, resolvedType, 5057 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5058 : null; 5059 if (prefs != null && prefs.size() > 0) { 5060 boolean changed = false; 5061 try { 5062 // First figure out how good the original match set is. 5063 // We will only allow preferred activities that came 5064 // from the same match quality. 5065 int match = 0; 5066 5067 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5068 5069 final int N = query.size(); 5070 for (int j=0; j<N; j++) { 5071 final ResolveInfo ri = query.get(j); 5072 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5073 + ": 0x" + Integer.toHexString(match)); 5074 if (ri.match > match) { 5075 match = ri.match; 5076 } 5077 } 5078 5079 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5080 + Integer.toHexString(match)); 5081 5082 match &= IntentFilter.MATCH_CATEGORY_MASK; 5083 final int M = prefs.size(); 5084 for (int i=0; i<M; i++) { 5085 final PreferredActivity pa = prefs.get(i); 5086 if (DEBUG_PREFERRED || debug) { 5087 Slog.v(TAG, "Checking PreferredActivity ds=" 5088 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5089 + "\n component=" + pa.mPref.mComponent); 5090 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5091 } 5092 if (pa.mPref.mMatch != match) { 5093 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5094 + Integer.toHexString(pa.mPref.mMatch)); 5095 continue; 5096 } 5097 // If it's not an "always" type preferred activity and that's what we're 5098 // looking for, skip it. 5099 if (always && !pa.mPref.mAlways) { 5100 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5101 continue; 5102 } 5103 final ActivityInfo ai = getActivityInfo( 5104 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5105 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5106 userId); 5107 if (DEBUG_PREFERRED || debug) { 5108 Slog.v(TAG, "Found preferred activity:"); 5109 if (ai != null) { 5110 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5111 } else { 5112 Slog.v(TAG, " null"); 5113 } 5114 } 5115 if (ai == null) { 5116 // This previously registered preferred activity 5117 // component is no longer known. Most likely an update 5118 // to the app was installed and in the new version this 5119 // component no longer exists. Clean it up by removing 5120 // it from the preferred activities list, and skip it. 5121 Slog.w(TAG, "Removing dangling preferred activity: " 5122 + pa.mPref.mComponent); 5123 pir.removeFilter(pa); 5124 changed = true; 5125 continue; 5126 } 5127 for (int j=0; j<N; j++) { 5128 final ResolveInfo ri = query.get(j); 5129 if (!ri.activityInfo.applicationInfo.packageName 5130 .equals(ai.applicationInfo.packageName)) { 5131 continue; 5132 } 5133 if (!ri.activityInfo.name.equals(ai.name)) { 5134 continue; 5135 } 5136 5137 if (removeMatches) { 5138 pir.removeFilter(pa); 5139 changed = true; 5140 if (DEBUG_PREFERRED) { 5141 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5142 } 5143 break; 5144 } 5145 5146 // Okay we found a previously set preferred or last chosen app. 5147 // If the result set is different from when this 5148 // was created, we need to clear it and re-ask the 5149 // user their preference, if we're looking for an "always" type entry. 5150 if (always && !pa.mPref.sameSet(query)) { 5151 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5152 + intent + " type " + resolvedType); 5153 if (DEBUG_PREFERRED) { 5154 Slog.v(TAG, "Removing preferred activity since set changed " 5155 + pa.mPref.mComponent); 5156 } 5157 pir.removeFilter(pa); 5158 // Re-add the filter as a "last chosen" entry (!always) 5159 PreferredActivity lastChosen = new PreferredActivity( 5160 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5161 pir.addFilter(lastChosen); 5162 changed = true; 5163 return null; 5164 } 5165 5166 // Yay! Either the set matched or we're looking for the last chosen 5167 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5168 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5169 return ri; 5170 } 5171 } 5172 } finally { 5173 if (changed) { 5174 if (DEBUG_PREFERRED) { 5175 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5176 } 5177 scheduleWritePackageRestrictionsLocked(userId); 5178 } 5179 } 5180 } 5181 } 5182 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5183 return null; 5184 } 5185 5186 /* 5187 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5188 */ 5189 @Override 5190 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5191 int targetUserId) { 5192 mContext.enforceCallingOrSelfPermission( 5193 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5194 List<CrossProfileIntentFilter> matches = 5195 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5196 if (matches != null) { 5197 int size = matches.size(); 5198 for (int i = 0; i < size; i++) { 5199 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5200 } 5201 } 5202 if (hasWebURI(intent)) { 5203 // cross-profile app linking works only towards the parent. 5204 final UserInfo parent = getProfileParent(sourceUserId); 5205 synchronized(mPackages) { 5206 int flags = updateFlagsForResolve(0, parent.id, intent); 5207 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5208 intent, resolvedType, flags, sourceUserId, parent.id); 5209 return xpDomainInfo != null; 5210 } 5211 } 5212 return false; 5213 } 5214 5215 private UserInfo getProfileParent(int userId) { 5216 final long identity = Binder.clearCallingIdentity(); 5217 try { 5218 return sUserManager.getProfileParent(userId); 5219 } finally { 5220 Binder.restoreCallingIdentity(identity); 5221 } 5222 } 5223 5224 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5225 String resolvedType, int userId) { 5226 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5227 if (resolver != null) { 5228 return resolver.queryIntent(intent, resolvedType, false, userId); 5229 } 5230 return null; 5231 } 5232 5233 @Override 5234 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5235 String resolvedType, int flags, int userId) { 5236 try { 5237 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5238 5239 return new ParceledListSlice<>( 5240 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5241 } finally { 5242 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5243 } 5244 } 5245 5246 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5247 String resolvedType, int flags, int userId) { 5248 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5249 flags = updateFlagsForResolve(flags, userId, intent); 5250 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5251 false /* requireFullPermission */, false /* checkShell */, 5252 "query intent activities"); 5253 ComponentName comp = intent.getComponent(); 5254 if (comp == null) { 5255 if (intent.getSelector() != null) { 5256 intent = intent.getSelector(); 5257 comp = intent.getComponent(); 5258 } 5259 } 5260 5261 if (comp != null) { 5262 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5263 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5264 if (ai != null) { 5265 final ResolveInfo ri = new ResolveInfo(); 5266 ri.activityInfo = ai; 5267 list.add(ri); 5268 } 5269 return list; 5270 } 5271 5272 // reader 5273 boolean sortResult = false; 5274 boolean addEphemeral = false; 5275 boolean matchEphemeralPackage = false; 5276 List<ResolveInfo> result; 5277 final String pkgName = intent.getPackage(); 5278 synchronized (mPackages) { 5279 if (pkgName == null) { 5280 List<CrossProfileIntentFilter> matchingFilters = 5281 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5282 // Check for results that need to skip the current profile. 5283 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5284 resolvedType, flags, userId); 5285 if (xpResolveInfo != null) { 5286 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 5287 xpResult.add(xpResolveInfo); 5288 return filterIfNotSystemUser(xpResult, userId); 5289 } 5290 5291 // Check for results in the current profile. 5292 result = filterIfNotSystemUser(mActivities.queryIntent( 5293 intent, resolvedType, flags, userId), userId); 5294 addEphemeral = 5295 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 5296 5297 // Check for cross profile results. 5298 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5299 xpResolveInfo = queryCrossProfileIntents( 5300 matchingFilters, intent, resolvedType, flags, userId, 5301 hasNonNegativePriorityResult); 5302 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5303 boolean isVisibleToUser = filterIfNotSystemUser( 5304 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5305 if (isVisibleToUser) { 5306 result.add(xpResolveInfo); 5307 sortResult = true; 5308 } 5309 } 5310 if (hasWebURI(intent)) { 5311 CrossProfileDomainInfo xpDomainInfo = null; 5312 final UserInfo parent = getProfileParent(userId); 5313 if (parent != null) { 5314 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5315 flags, userId, parent.id); 5316 } 5317 if (xpDomainInfo != null) { 5318 if (xpResolveInfo != null) { 5319 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5320 // in the result. 5321 result.remove(xpResolveInfo); 5322 } 5323 if (result.size() == 0 && !addEphemeral) { 5324 result.add(xpDomainInfo.resolveInfo); 5325 return result; 5326 } 5327 } 5328 if (result.size() > 1 || addEphemeral) { 5329 result = filterCandidatesWithDomainPreferredActivitiesLPr( 5330 intent, flags, result, xpDomainInfo, userId); 5331 sortResult = true; 5332 } 5333 } 5334 } else { 5335 final PackageParser.Package pkg = mPackages.get(pkgName); 5336 if (pkg != null) { 5337 result = filterIfNotSystemUser( 5338 mActivities.queryIntentForPackage( 5339 intent, resolvedType, flags, pkg.activities, userId), 5340 userId); 5341 } else { 5342 // the caller wants to resolve for a particular package; however, there 5343 // were no installed results, so, try to find an ephemeral result 5344 addEphemeral = isEphemeralAllowed( 5345 intent, null /*result*/, userId, true /*skipPackageCheck*/); 5346 matchEphemeralPackage = true; 5347 result = new ArrayList<ResolveInfo>(); 5348 } 5349 } 5350 } 5351 if (addEphemeral) { 5352 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 5353 final EphemeralResolveInfo ai = getEphemeralResolveInfo( 5354 mContext, mEphemeralResolverConnection, intent, resolvedType, userId, 5355 matchEphemeralPackage ? pkgName : null); 5356 if (ai != null) { 5357 if (DEBUG_EPHEMERAL) { 5358 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 5359 } 5360 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 5361 ephemeralInstaller.ephemeralResolveInfo = ai; 5362 // make sure this resolver is the default 5363 ephemeralInstaller.isDefault = true; 5364 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 5365 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 5366 // add a non-generic filter 5367 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 5368 ephemeralInstaller.filter.addDataPath( 5369 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 5370 result.add(ephemeralInstaller); 5371 } 5372 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5373 } 5374 if (sortResult) { 5375 Collections.sort(result, mResolvePrioritySorter); 5376 } 5377 return result; 5378 } 5379 5380 private static class CrossProfileDomainInfo { 5381 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5382 ResolveInfo resolveInfo; 5383 /* Best domain verification status of the activities found in the other profile */ 5384 int bestDomainVerificationStatus; 5385 } 5386 5387 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5388 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5389 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5390 sourceUserId)) { 5391 return null; 5392 } 5393 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5394 resolvedType, flags, parentUserId); 5395 5396 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5397 return null; 5398 } 5399 CrossProfileDomainInfo result = null; 5400 int size = resultTargetUser.size(); 5401 for (int i = 0; i < size; i++) { 5402 ResolveInfo riTargetUser = resultTargetUser.get(i); 5403 // Intent filter verification is only for filters that specify a host. So don't return 5404 // those that handle all web uris. 5405 if (riTargetUser.handleAllWebDataURI) { 5406 continue; 5407 } 5408 String packageName = riTargetUser.activityInfo.packageName; 5409 PackageSetting ps = mSettings.mPackages.get(packageName); 5410 if (ps == null) { 5411 continue; 5412 } 5413 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5414 int status = (int)(verificationState >> 32); 5415 if (result == null) { 5416 result = new CrossProfileDomainInfo(); 5417 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5418 sourceUserId, parentUserId); 5419 result.bestDomainVerificationStatus = status; 5420 } else { 5421 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5422 result.bestDomainVerificationStatus); 5423 } 5424 } 5425 // Don't consider matches with status NEVER across profiles. 5426 if (result != null && result.bestDomainVerificationStatus 5427 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5428 return null; 5429 } 5430 return result; 5431 } 5432 5433 /** 5434 * Verification statuses are ordered from the worse to the best, except for 5435 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5436 */ 5437 private int bestDomainVerificationStatus(int status1, int status2) { 5438 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5439 return status2; 5440 } 5441 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5442 return status1; 5443 } 5444 return (int) MathUtils.max(status1, status2); 5445 } 5446 5447 private boolean isUserEnabled(int userId) { 5448 long callingId = Binder.clearCallingIdentity(); 5449 try { 5450 UserInfo userInfo = sUserManager.getUserInfo(userId); 5451 return userInfo != null && userInfo.isEnabled(); 5452 } finally { 5453 Binder.restoreCallingIdentity(callingId); 5454 } 5455 } 5456 5457 /** 5458 * Filter out activities with systemUserOnly flag set, when current user is not System. 5459 * 5460 * @return filtered list 5461 */ 5462 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5463 if (userId == UserHandle.USER_SYSTEM) { 5464 return resolveInfos; 5465 } 5466 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5467 ResolveInfo info = resolveInfos.get(i); 5468 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5469 resolveInfos.remove(i); 5470 } 5471 } 5472 return resolveInfos; 5473 } 5474 5475 /** 5476 * @param resolveInfos list of resolve infos in descending priority order 5477 * @return if the list contains a resolve info with non-negative priority 5478 */ 5479 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5480 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5481 } 5482 5483 private static boolean hasWebURI(Intent intent) { 5484 if (intent.getData() == null) { 5485 return false; 5486 } 5487 final String scheme = intent.getScheme(); 5488 if (TextUtils.isEmpty(scheme)) { 5489 return false; 5490 } 5491 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5492 } 5493 5494 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5495 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5496 int userId) { 5497 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5498 5499 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5500 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5501 candidates.size()); 5502 } 5503 5504 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5505 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5506 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5507 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5508 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5509 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5510 5511 synchronized (mPackages) { 5512 final int count = candidates.size(); 5513 // First, try to use linked apps. Partition the candidates into four lists: 5514 // one for the final results, one for the "do not use ever", one for "undefined status" 5515 // and finally one for "browser app type". 5516 for (int n=0; n<count; n++) { 5517 ResolveInfo info = candidates.get(n); 5518 String packageName = info.activityInfo.packageName; 5519 PackageSetting ps = mSettings.mPackages.get(packageName); 5520 if (ps != null) { 5521 // Add to the special match all list (Browser use case) 5522 if (info.handleAllWebDataURI) { 5523 matchAllList.add(info); 5524 continue; 5525 } 5526 // Try to get the status from User settings first 5527 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5528 int status = (int)(packedStatus >> 32); 5529 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5530 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5531 if (DEBUG_DOMAIN_VERIFICATION) { 5532 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5533 + " : linkgen=" + linkGeneration); 5534 } 5535 // Use link-enabled generation as preferredOrder, i.e. 5536 // prefer newly-enabled over earlier-enabled. 5537 info.preferredOrder = linkGeneration; 5538 alwaysList.add(info); 5539 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5540 if (DEBUG_DOMAIN_VERIFICATION) { 5541 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5542 } 5543 neverList.add(info); 5544 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5545 if (DEBUG_DOMAIN_VERIFICATION) { 5546 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5547 } 5548 alwaysAskList.add(info); 5549 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5550 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5551 if (DEBUG_DOMAIN_VERIFICATION) { 5552 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5553 } 5554 undefinedList.add(info); 5555 } 5556 } 5557 } 5558 5559 // We'll want to include browser possibilities in a few cases 5560 boolean includeBrowser = false; 5561 5562 // First try to add the "always" resolution(s) for the current user, if any 5563 if (alwaysList.size() > 0) { 5564 result.addAll(alwaysList); 5565 } else { 5566 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5567 result.addAll(undefinedList); 5568 // Maybe add one for the other profile. 5569 if (xpDomainInfo != null && ( 5570 xpDomainInfo.bestDomainVerificationStatus 5571 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5572 result.add(xpDomainInfo.resolveInfo); 5573 } 5574 includeBrowser = true; 5575 } 5576 5577 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5578 // If there were 'always' entries their preferred order has been set, so we also 5579 // back that off to make the alternatives equivalent 5580 if (alwaysAskList.size() > 0) { 5581 for (ResolveInfo i : result) { 5582 i.preferredOrder = 0; 5583 } 5584 result.addAll(alwaysAskList); 5585 includeBrowser = true; 5586 } 5587 5588 if (includeBrowser) { 5589 // Also add browsers (all of them or only the default one) 5590 if (DEBUG_DOMAIN_VERIFICATION) { 5591 Slog.v(TAG, " ...including browsers in candidate set"); 5592 } 5593 if ((matchFlags & MATCH_ALL) != 0) { 5594 result.addAll(matchAllList); 5595 } else { 5596 // Browser/generic handling case. If there's a default browser, go straight 5597 // to that (but only if there is no other higher-priority match). 5598 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5599 int maxMatchPrio = 0; 5600 ResolveInfo defaultBrowserMatch = null; 5601 final int numCandidates = matchAllList.size(); 5602 for (int n = 0; n < numCandidates; n++) { 5603 ResolveInfo info = matchAllList.get(n); 5604 // track the highest overall match priority... 5605 if (info.priority > maxMatchPrio) { 5606 maxMatchPrio = info.priority; 5607 } 5608 // ...and the highest-priority default browser match 5609 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5610 if (defaultBrowserMatch == null 5611 || (defaultBrowserMatch.priority < info.priority)) { 5612 if (debug) { 5613 Slog.v(TAG, "Considering default browser match " + info); 5614 } 5615 defaultBrowserMatch = info; 5616 } 5617 } 5618 } 5619 if (defaultBrowserMatch != null 5620 && defaultBrowserMatch.priority >= maxMatchPrio 5621 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5622 { 5623 if (debug) { 5624 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5625 } 5626 result.add(defaultBrowserMatch); 5627 } else { 5628 result.addAll(matchAllList); 5629 } 5630 } 5631 5632 // If there is nothing selected, add all candidates and remove the ones that the user 5633 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5634 if (result.size() == 0) { 5635 result.addAll(candidates); 5636 result.removeAll(neverList); 5637 } 5638 } 5639 } 5640 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5641 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5642 result.size()); 5643 for (ResolveInfo info : result) { 5644 Slog.v(TAG, " + " + info.activityInfo); 5645 } 5646 } 5647 return result; 5648 } 5649 5650 // Returns a packed value as a long: 5651 // 5652 // high 'int'-sized word: link status: undefined/ask/never/always. 5653 // low 'int'-sized word: relative priority among 'always' results. 5654 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5655 long result = ps.getDomainVerificationStatusForUser(userId); 5656 // if none available, get the master status 5657 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5658 if (ps.getIntentFilterVerificationInfo() != null) { 5659 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5660 } 5661 } 5662 return result; 5663 } 5664 5665 private ResolveInfo querySkipCurrentProfileIntents( 5666 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5667 int flags, int sourceUserId) { 5668 if (matchingFilters != null) { 5669 int size = matchingFilters.size(); 5670 for (int i = 0; i < size; i ++) { 5671 CrossProfileIntentFilter filter = matchingFilters.get(i); 5672 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5673 // Checking if there are activities in the target user that can handle the 5674 // intent. 5675 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5676 resolvedType, flags, sourceUserId); 5677 if (resolveInfo != null) { 5678 return resolveInfo; 5679 } 5680 } 5681 } 5682 } 5683 return null; 5684 } 5685 5686 // Return matching ResolveInfo in target user if any. 5687 private ResolveInfo queryCrossProfileIntents( 5688 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5689 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5690 if (matchingFilters != null) { 5691 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5692 // match the same intent. For performance reasons, it is better not to 5693 // run queryIntent twice for the same userId 5694 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5695 int size = matchingFilters.size(); 5696 for (int i = 0; i < size; i++) { 5697 CrossProfileIntentFilter filter = matchingFilters.get(i); 5698 int targetUserId = filter.getTargetUserId(); 5699 boolean skipCurrentProfile = 5700 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5701 boolean skipCurrentProfileIfNoMatchFound = 5702 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5703 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5704 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5705 // Checking if there are activities in the target user that can handle the 5706 // intent. 5707 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5708 resolvedType, flags, sourceUserId); 5709 if (resolveInfo != null) return resolveInfo; 5710 alreadyTriedUserIds.put(targetUserId, true); 5711 } 5712 } 5713 } 5714 return null; 5715 } 5716 5717 /** 5718 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5719 * will forward the intent to the filter's target user. 5720 * Otherwise, returns null. 5721 */ 5722 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5723 String resolvedType, int flags, int sourceUserId) { 5724 int targetUserId = filter.getTargetUserId(); 5725 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5726 resolvedType, flags, targetUserId); 5727 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5728 // If all the matches in the target profile are suspended, return null. 5729 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5730 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5731 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5732 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5733 targetUserId); 5734 } 5735 } 5736 } 5737 return null; 5738 } 5739 5740 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5741 int sourceUserId, int targetUserId) { 5742 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5743 long ident = Binder.clearCallingIdentity(); 5744 boolean targetIsProfile; 5745 try { 5746 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5747 } finally { 5748 Binder.restoreCallingIdentity(ident); 5749 } 5750 String className; 5751 if (targetIsProfile) { 5752 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5753 } else { 5754 className = FORWARD_INTENT_TO_PARENT; 5755 } 5756 ComponentName forwardingActivityComponentName = new ComponentName( 5757 mAndroidApplication.packageName, className); 5758 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5759 sourceUserId); 5760 if (!targetIsProfile) { 5761 forwardingActivityInfo.showUserIcon = targetUserId; 5762 forwardingResolveInfo.noResourceId = true; 5763 } 5764 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5765 forwardingResolveInfo.priority = 0; 5766 forwardingResolveInfo.preferredOrder = 0; 5767 forwardingResolveInfo.match = 0; 5768 forwardingResolveInfo.isDefault = true; 5769 forwardingResolveInfo.filter = filter; 5770 forwardingResolveInfo.targetUserId = targetUserId; 5771 return forwardingResolveInfo; 5772 } 5773 5774 @Override 5775 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5776 Intent[] specifics, String[] specificTypes, Intent intent, 5777 String resolvedType, int flags, int userId) { 5778 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5779 specificTypes, intent, resolvedType, flags, userId)); 5780 } 5781 5782 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5783 Intent[] specifics, String[] specificTypes, Intent intent, 5784 String resolvedType, int flags, int userId) { 5785 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5786 flags = updateFlagsForResolve(flags, userId, intent); 5787 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5788 false /* requireFullPermission */, false /* checkShell */, 5789 "query intent activity options"); 5790 final String resultsAction = intent.getAction(); 5791 5792 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5793 | PackageManager.GET_RESOLVED_FILTER, userId); 5794 5795 if (DEBUG_INTENT_MATCHING) { 5796 Log.v(TAG, "Query " + intent + ": " + results); 5797 } 5798 5799 int specificsPos = 0; 5800 int N; 5801 5802 // todo: note that the algorithm used here is O(N^2). This 5803 // isn't a problem in our current environment, but if we start running 5804 // into situations where we have more than 5 or 10 matches then this 5805 // should probably be changed to something smarter... 5806 5807 // First we go through and resolve each of the specific items 5808 // that were supplied, taking care of removing any corresponding 5809 // duplicate items in the generic resolve list. 5810 if (specifics != null) { 5811 for (int i=0; i<specifics.length; i++) { 5812 final Intent sintent = specifics[i]; 5813 if (sintent == null) { 5814 continue; 5815 } 5816 5817 if (DEBUG_INTENT_MATCHING) { 5818 Log.v(TAG, "Specific #" + i + ": " + sintent); 5819 } 5820 5821 String action = sintent.getAction(); 5822 if (resultsAction != null && resultsAction.equals(action)) { 5823 // If this action was explicitly requested, then don't 5824 // remove things that have it. 5825 action = null; 5826 } 5827 5828 ResolveInfo ri = null; 5829 ActivityInfo ai = null; 5830 5831 ComponentName comp = sintent.getComponent(); 5832 if (comp == null) { 5833 ri = resolveIntent( 5834 sintent, 5835 specificTypes != null ? specificTypes[i] : null, 5836 flags, userId); 5837 if (ri == null) { 5838 continue; 5839 } 5840 if (ri == mResolveInfo) { 5841 // ACK! Must do something better with this. 5842 } 5843 ai = ri.activityInfo; 5844 comp = new ComponentName(ai.applicationInfo.packageName, 5845 ai.name); 5846 } else { 5847 ai = getActivityInfo(comp, flags, userId); 5848 if (ai == null) { 5849 continue; 5850 } 5851 } 5852 5853 // Look for any generic query activities that are duplicates 5854 // of this specific one, and remove them from the results. 5855 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5856 N = results.size(); 5857 int j; 5858 for (j=specificsPos; j<N; j++) { 5859 ResolveInfo sri = results.get(j); 5860 if ((sri.activityInfo.name.equals(comp.getClassName()) 5861 && sri.activityInfo.applicationInfo.packageName.equals( 5862 comp.getPackageName())) 5863 || (action != null && sri.filter.matchAction(action))) { 5864 results.remove(j); 5865 if (DEBUG_INTENT_MATCHING) Log.v( 5866 TAG, "Removing duplicate item from " + j 5867 + " due to specific " + specificsPos); 5868 if (ri == null) { 5869 ri = sri; 5870 } 5871 j--; 5872 N--; 5873 } 5874 } 5875 5876 // Add this specific item to its proper place. 5877 if (ri == null) { 5878 ri = new ResolveInfo(); 5879 ri.activityInfo = ai; 5880 } 5881 results.add(specificsPos, ri); 5882 ri.specificIndex = i; 5883 specificsPos++; 5884 } 5885 } 5886 5887 // Now we go through the remaining generic results and remove any 5888 // duplicate actions that are found here. 5889 N = results.size(); 5890 for (int i=specificsPos; i<N-1; i++) { 5891 final ResolveInfo rii = results.get(i); 5892 if (rii.filter == null) { 5893 continue; 5894 } 5895 5896 // Iterate over all of the actions of this result's intent 5897 // filter... typically this should be just one. 5898 final Iterator<String> it = rii.filter.actionsIterator(); 5899 if (it == null) { 5900 continue; 5901 } 5902 while (it.hasNext()) { 5903 final String action = it.next(); 5904 if (resultsAction != null && resultsAction.equals(action)) { 5905 // If this action was explicitly requested, then don't 5906 // remove things that have it. 5907 continue; 5908 } 5909 for (int j=i+1; j<N; j++) { 5910 final ResolveInfo rij = results.get(j); 5911 if (rij.filter != null && rij.filter.hasAction(action)) { 5912 results.remove(j); 5913 if (DEBUG_INTENT_MATCHING) Log.v( 5914 TAG, "Removing duplicate item from " + j 5915 + " due to action " + action + " at " + i); 5916 j--; 5917 N--; 5918 } 5919 } 5920 } 5921 5922 // If the caller didn't request filter information, drop it now 5923 // so we don't have to marshall/unmarshall it. 5924 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5925 rii.filter = null; 5926 } 5927 } 5928 5929 // Filter out the caller activity if so requested. 5930 if (caller != null) { 5931 N = results.size(); 5932 for (int i=0; i<N; i++) { 5933 ActivityInfo ainfo = results.get(i).activityInfo; 5934 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5935 && caller.getClassName().equals(ainfo.name)) { 5936 results.remove(i); 5937 break; 5938 } 5939 } 5940 } 5941 5942 // If the caller didn't request filter information, 5943 // drop them now so we don't have to 5944 // marshall/unmarshall it. 5945 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5946 N = results.size(); 5947 for (int i=0; i<N; i++) { 5948 results.get(i).filter = null; 5949 } 5950 } 5951 5952 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5953 return results; 5954 } 5955 5956 @Override 5957 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5958 String resolvedType, int flags, int userId) { 5959 return new ParceledListSlice<>( 5960 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5961 } 5962 5963 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5964 String resolvedType, int flags, int userId) { 5965 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5966 flags = updateFlagsForResolve(flags, userId, intent); 5967 ComponentName comp = intent.getComponent(); 5968 if (comp == null) { 5969 if (intent.getSelector() != null) { 5970 intent = intent.getSelector(); 5971 comp = intent.getComponent(); 5972 } 5973 } 5974 if (comp != null) { 5975 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5976 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5977 if (ai != null) { 5978 ResolveInfo ri = new ResolveInfo(); 5979 ri.activityInfo = ai; 5980 list.add(ri); 5981 } 5982 return list; 5983 } 5984 5985 // reader 5986 synchronized (mPackages) { 5987 String pkgName = intent.getPackage(); 5988 if (pkgName == null) { 5989 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5990 } 5991 final PackageParser.Package pkg = mPackages.get(pkgName); 5992 if (pkg != null) { 5993 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5994 userId); 5995 } 5996 return Collections.emptyList(); 5997 } 5998 } 5999 6000 @Override 6001 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6002 if (!sUserManager.exists(userId)) return null; 6003 flags = updateFlagsForResolve(flags, userId, intent); 6004 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6005 if (query != null) { 6006 if (query.size() >= 1) { 6007 // If there is more than one service with the same priority, 6008 // just arbitrarily pick the first one. 6009 return query.get(0); 6010 } 6011 } 6012 return null; 6013 } 6014 6015 @Override 6016 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6017 String resolvedType, int flags, int userId) { 6018 return new ParceledListSlice<>( 6019 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6020 } 6021 6022 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6023 String resolvedType, int flags, int userId) { 6024 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6025 flags = updateFlagsForResolve(flags, userId, intent); 6026 ComponentName comp = intent.getComponent(); 6027 if (comp == null) { 6028 if (intent.getSelector() != null) { 6029 intent = intent.getSelector(); 6030 comp = intent.getComponent(); 6031 } 6032 } 6033 if (comp != null) { 6034 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6035 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6036 if (si != null) { 6037 final ResolveInfo ri = new ResolveInfo(); 6038 ri.serviceInfo = si; 6039 list.add(ri); 6040 } 6041 return list; 6042 } 6043 6044 // reader 6045 synchronized (mPackages) { 6046 String pkgName = intent.getPackage(); 6047 if (pkgName == null) { 6048 return mServices.queryIntent(intent, resolvedType, flags, userId); 6049 } 6050 final PackageParser.Package pkg = mPackages.get(pkgName); 6051 if (pkg != null) { 6052 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6053 userId); 6054 } 6055 return Collections.emptyList(); 6056 } 6057 } 6058 6059 @Override 6060 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6061 String resolvedType, int flags, int userId) { 6062 return new ParceledListSlice<>( 6063 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6064 } 6065 6066 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6067 Intent intent, String resolvedType, int flags, int userId) { 6068 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6069 flags = updateFlagsForResolve(flags, userId, intent); 6070 ComponentName comp = intent.getComponent(); 6071 if (comp == null) { 6072 if (intent.getSelector() != null) { 6073 intent = intent.getSelector(); 6074 comp = intent.getComponent(); 6075 } 6076 } 6077 if (comp != null) { 6078 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6079 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6080 if (pi != null) { 6081 final ResolveInfo ri = new ResolveInfo(); 6082 ri.providerInfo = pi; 6083 list.add(ri); 6084 } 6085 return list; 6086 } 6087 6088 // reader 6089 synchronized (mPackages) { 6090 String pkgName = intent.getPackage(); 6091 if (pkgName == null) { 6092 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6093 } 6094 final PackageParser.Package pkg = mPackages.get(pkgName); 6095 if (pkg != null) { 6096 return mProviders.queryIntentForPackage( 6097 intent, resolvedType, flags, pkg.providers, userId); 6098 } 6099 return Collections.emptyList(); 6100 } 6101 } 6102 6103 @Override 6104 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6105 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6106 flags = updateFlagsForPackage(flags, userId, null); 6107 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6108 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6109 true /* requireFullPermission */, false /* checkShell */, 6110 "get installed packages"); 6111 6112 // writer 6113 synchronized (mPackages) { 6114 ArrayList<PackageInfo> list; 6115 if (listUninstalled) { 6116 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6117 for (PackageSetting ps : mSettings.mPackages.values()) { 6118 final PackageInfo pi; 6119 if (ps.pkg != null) { 6120 pi = generatePackageInfo(ps, flags, userId); 6121 } else { 6122 pi = generatePackageInfo(ps, flags, userId); 6123 } 6124 if (pi != null) { 6125 list.add(pi); 6126 } 6127 } 6128 } else { 6129 list = new ArrayList<PackageInfo>(mPackages.size()); 6130 for (PackageParser.Package p : mPackages.values()) { 6131 final PackageInfo pi = 6132 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6133 if (pi != null) { 6134 list.add(pi); 6135 } 6136 } 6137 } 6138 6139 return new ParceledListSlice<PackageInfo>(list); 6140 } 6141 } 6142 6143 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6144 String[] permissions, boolean[] tmp, int flags, int userId) { 6145 int numMatch = 0; 6146 final PermissionsState permissionsState = ps.getPermissionsState(); 6147 for (int i=0; i<permissions.length; i++) { 6148 final String permission = permissions[i]; 6149 if (permissionsState.hasPermission(permission, userId)) { 6150 tmp[i] = true; 6151 numMatch++; 6152 } else { 6153 tmp[i] = false; 6154 } 6155 } 6156 if (numMatch == 0) { 6157 return; 6158 } 6159 final PackageInfo pi; 6160 if (ps.pkg != null) { 6161 pi = generatePackageInfo(ps, flags, userId); 6162 } else { 6163 pi = generatePackageInfo(ps, flags, userId); 6164 } 6165 // The above might return null in cases of uninstalled apps or install-state 6166 // skew across users/profiles. 6167 if (pi != null) { 6168 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6169 if (numMatch == permissions.length) { 6170 pi.requestedPermissions = permissions; 6171 } else { 6172 pi.requestedPermissions = new String[numMatch]; 6173 numMatch = 0; 6174 for (int i=0; i<permissions.length; i++) { 6175 if (tmp[i]) { 6176 pi.requestedPermissions[numMatch] = permissions[i]; 6177 numMatch++; 6178 } 6179 } 6180 } 6181 } 6182 list.add(pi); 6183 } 6184 } 6185 6186 @Override 6187 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6188 String[] permissions, int flags, int userId) { 6189 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6190 flags = updateFlagsForPackage(flags, userId, permissions); 6191 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6192 6193 // writer 6194 synchronized (mPackages) { 6195 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6196 boolean[] tmpBools = new boolean[permissions.length]; 6197 if (listUninstalled) { 6198 for (PackageSetting ps : mSettings.mPackages.values()) { 6199 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6200 } 6201 } else { 6202 for (PackageParser.Package pkg : mPackages.values()) { 6203 PackageSetting ps = (PackageSetting)pkg.mExtras; 6204 if (ps != null) { 6205 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6206 userId); 6207 } 6208 } 6209 } 6210 6211 return new ParceledListSlice<PackageInfo>(list); 6212 } 6213 } 6214 6215 @Override 6216 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6217 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6218 flags = updateFlagsForApplication(flags, userId, null); 6219 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6220 6221 // writer 6222 synchronized (mPackages) { 6223 ArrayList<ApplicationInfo> list; 6224 if (listUninstalled) { 6225 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6226 for (PackageSetting ps : mSettings.mPackages.values()) { 6227 ApplicationInfo ai; 6228 if (ps.pkg != null) { 6229 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6230 ps.readUserState(userId), userId); 6231 } else { 6232 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6233 } 6234 if (ai != null) { 6235 list.add(ai); 6236 } 6237 } 6238 } else { 6239 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6240 for (PackageParser.Package p : mPackages.values()) { 6241 if (p.mExtras != null) { 6242 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6243 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6244 if (ai != null) { 6245 list.add(ai); 6246 } 6247 } 6248 } 6249 } 6250 6251 return new ParceledListSlice<ApplicationInfo>(list); 6252 } 6253 } 6254 6255 @Override 6256 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6257 if (isEphemeralDisabled()) { 6258 return null; 6259 } 6260 6261 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6262 "getEphemeralApplications"); 6263 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6264 true /* requireFullPermission */, false /* checkShell */, 6265 "getEphemeralApplications"); 6266 synchronized (mPackages) { 6267 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6268 .getEphemeralApplicationsLPw(userId); 6269 if (ephemeralApps != null) { 6270 return new ParceledListSlice<>(ephemeralApps); 6271 } 6272 } 6273 return null; 6274 } 6275 6276 @Override 6277 public boolean isEphemeralApplication(String packageName, int userId) { 6278 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6279 true /* requireFullPermission */, false /* checkShell */, 6280 "isEphemeral"); 6281 if (isEphemeralDisabled()) { 6282 return false; 6283 } 6284 6285 if (!isCallerSameApp(packageName)) { 6286 return false; 6287 } 6288 synchronized (mPackages) { 6289 PackageParser.Package pkg = mPackages.get(packageName); 6290 if (pkg != null) { 6291 return pkg.applicationInfo.isEphemeralApp(); 6292 } 6293 } 6294 return false; 6295 } 6296 6297 @Override 6298 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6299 if (isEphemeralDisabled()) { 6300 return null; 6301 } 6302 6303 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6304 true /* requireFullPermission */, false /* checkShell */, 6305 "getCookie"); 6306 if (!isCallerSameApp(packageName)) { 6307 return null; 6308 } 6309 synchronized (mPackages) { 6310 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6311 packageName, userId); 6312 } 6313 } 6314 6315 @Override 6316 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6317 if (isEphemeralDisabled()) { 6318 return true; 6319 } 6320 6321 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6322 true /* requireFullPermission */, true /* checkShell */, 6323 "setCookie"); 6324 if (!isCallerSameApp(packageName)) { 6325 return false; 6326 } 6327 synchronized (mPackages) { 6328 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6329 packageName, cookie, userId); 6330 } 6331 } 6332 6333 @Override 6334 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6335 if (isEphemeralDisabled()) { 6336 return null; 6337 } 6338 6339 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6340 "getEphemeralApplicationIcon"); 6341 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6342 true /* requireFullPermission */, false /* checkShell */, 6343 "getEphemeralApplicationIcon"); 6344 synchronized (mPackages) { 6345 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6346 packageName, userId); 6347 } 6348 } 6349 6350 private boolean isCallerSameApp(String packageName) { 6351 PackageParser.Package pkg = mPackages.get(packageName); 6352 return pkg != null 6353 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6354 } 6355 6356 @Override 6357 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6358 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6359 } 6360 6361 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6362 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6363 6364 // reader 6365 synchronized (mPackages) { 6366 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6367 final int userId = UserHandle.getCallingUserId(); 6368 while (i.hasNext()) { 6369 final PackageParser.Package p = i.next(); 6370 if (p.applicationInfo == null) continue; 6371 6372 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6373 && !p.applicationInfo.isDirectBootAware(); 6374 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6375 && p.applicationInfo.isDirectBootAware(); 6376 6377 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6378 && (!mSafeMode || isSystemApp(p)) 6379 && (matchesUnaware || matchesAware)) { 6380 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6381 if (ps != null) { 6382 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6383 ps.readUserState(userId), userId); 6384 if (ai != null) { 6385 finalList.add(ai); 6386 } 6387 } 6388 } 6389 } 6390 } 6391 6392 return finalList; 6393 } 6394 6395 @Override 6396 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6397 if (!sUserManager.exists(userId)) return null; 6398 flags = updateFlagsForComponent(flags, userId, name); 6399 // reader 6400 synchronized (mPackages) { 6401 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6402 PackageSetting ps = provider != null 6403 ? mSettings.mPackages.get(provider.owner.packageName) 6404 : null; 6405 return ps != null 6406 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6407 ? PackageParser.generateProviderInfo(provider, flags, 6408 ps.readUserState(userId), userId) 6409 : null; 6410 } 6411 } 6412 6413 /** 6414 * @deprecated 6415 */ 6416 @Deprecated 6417 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6418 // reader 6419 synchronized (mPackages) { 6420 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6421 .entrySet().iterator(); 6422 final int userId = UserHandle.getCallingUserId(); 6423 while (i.hasNext()) { 6424 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6425 PackageParser.Provider p = entry.getValue(); 6426 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6427 6428 if (ps != null && p.syncable 6429 && (!mSafeMode || (p.info.applicationInfo.flags 6430 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6431 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6432 ps.readUserState(userId), userId); 6433 if (info != null) { 6434 outNames.add(entry.getKey()); 6435 outInfo.add(info); 6436 } 6437 } 6438 } 6439 } 6440 } 6441 6442 @Override 6443 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6444 int uid, int flags) { 6445 final int userId = processName != null ? UserHandle.getUserId(uid) 6446 : UserHandle.getCallingUserId(); 6447 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6448 flags = updateFlagsForComponent(flags, userId, processName); 6449 6450 ArrayList<ProviderInfo> finalList = null; 6451 // reader 6452 synchronized (mPackages) { 6453 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6454 while (i.hasNext()) { 6455 final PackageParser.Provider p = i.next(); 6456 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6457 if (ps != null && p.info.authority != null 6458 && (processName == null 6459 || (p.info.processName.equals(processName) 6460 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6461 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6462 if (finalList == null) { 6463 finalList = new ArrayList<ProviderInfo>(3); 6464 } 6465 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6466 ps.readUserState(userId), userId); 6467 if (info != null) { 6468 finalList.add(info); 6469 } 6470 } 6471 } 6472 } 6473 6474 if (finalList != null) { 6475 Collections.sort(finalList, mProviderInitOrderSorter); 6476 return new ParceledListSlice<ProviderInfo>(finalList); 6477 } 6478 6479 return ParceledListSlice.emptyList(); 6480 } 6481 6482 @Override 6483 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6484 // reader 6485 synchronized (mPackages) { 6486 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6487 return PackageParser.generateInstrumentationInfo(i, flags); 6488 } 6489 } 6490 6491 @Override 6492 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6493 String targetPackage, int flags) { 6494 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6495 } 6496 6497 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6498 int flags) { 6499 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6500 6501 // reader 6502 synchronized (mPackages) { 6503 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6504 while (i.hasNext()) { 6505 final PackageParser.Instrumentation p = i.next(); 6506 if (targetPackage == null 6507 || targetPackage.equals(p.info.targetPackage)) { 6508 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6509 flags); 6510 if (ii != null) { 6511 finalList.add(ii); 6512 } 6513 } 6514 } 6515 } 6516 6517 return finalList; 6518 } 6519 6520 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6521 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6522 if (overlays == null) { 6523 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6524 return; 6525 } 6526 for (PackageParser.Package opkg : overlays.values()) { 6527 // Not much to do if idmap fails: we already logged the error 6528 // and we certainly don't want to abort installation of pkg simply 6529 // because an overlay didn't fit properly. For these reasons, 6530 // ignore the return value of createIdmapForPackagePairLI. 6531 createIdmapForPackagePairLI(pkg, opkg); 6532 } 6533 } 6534 6535 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6536 PackageParser.Package opkg) { 6537 if (!opkg.mTrustedOverlay) { 6538 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6539 opkg.baseCodePath + ": overlay not trusted"); 6540 return false; 6541 } 6542 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6543 if (overlaySet == null) { 6544 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6545 opkg.baseCodePath + " but target package has no known overlays"); 6546 return false; 6547 } 6548 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6549 // TODO: generate idmap for split APKs 6550 try { 6551 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6552 } catch (InstallerException e) { 6553 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6554 + opkg.baseCodePath); 6555 return false; 6556 } 6557 PackageParser.Package[] overlayArray = 6558 overlaySet.values().toArray(new PackageParser.Package[0]); 6559 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6560 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6561 return p1.mOverlayPriority - p2.mOverlayPriority; 6562 } 6563 }; 6564 Arrays.sort(overlayArray, cmp); 6565 6566 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6567 int i = 0; 6568 for (PackageParser.Package p : overlayArray) { 6569 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6570 } 6571 return true; 6572 } 6573 6574 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6575 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6576 try { 6577 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6578 } finally { 6579 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6580 } 6581 } 6582 6583 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6584 final File[] files = dir.listFiles(); 6585 if (ArrayUtils.isEmpty(files)) { 6586 Log.d(TAG, "No files in app dir " + dir); 6587 return; 6588 } 6589 6590 if (DEBUG_PACKAGE_SCANNING) { 6591 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6592 + " flags=0x" + Integer.toHexString(parseFlags)); 6593 } 6594 6595 for (File file : files) { 6596 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6597 && !PackageInstallerService.isStageName(file.getName()); 6598 if (!isPackage) { 6599 // Ignore entries which are not packages 6600 continue; 6601 } 6602 try { 6603 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6604 scanFlags, currentTime, null); 6605 } catch (PackageManagerException e) { 6606 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6607 6608 // Delete invalid userdata apps 6609 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6610 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6611 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6612 removeCodePathLI(file); 6613 } 6614 } 6615 } 6616 } 6617 6618 private static File getSettingsProblemFile() { 6619 File dataDir = Environment.getDataDirectory(); 6620 File systemDir = new File(dataDir, "system"); 6621 File fname = new File(systemDir, "uiderrors.txt"); 6622 return fname; 6623 } 6624 6625 static void reportSettingsProblem(int priority, String msg) { 6626 logCriticalInfo(priority, msg); 6627 } 6628 6629 static void logCriticalInfo(int priority, String msg) { 6630 Slog.println(priority, TAG, msg); 6631 EventLogTags.writePmCriticalInfo(msg); 6632 try { 6633 File fname = getSettingsProblemFile(); 6634 FileOutputStream out = new FileOutputStream(fname, true); 6635 PrintWriter pw = new FastPrintWriter(out); 6636 SimpleDateFormat formatter = new SimpleDateFormat(); 6637 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6638 pw.println(dateString + ": " + msg); 6639 pw.close(); 6640 FileUtils.setPermissions( 6641 fname.toString(), 6642 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6643 -1, -1); 6644 } catch (java.io.IOException e) { 6645 } 6646 } 6647 6648 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6649 if (srcFile.isDirectory()) { 6650 final File baseFile = new File(pkg.baseCodePath); 6651 long maxModifiedTime = baseFile.lastModified(); 6652 if (pkg.splitCodePaths != null) { 6653 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6654 final File splitFile = new File(pkg.splitCodePaths[i]); 6655 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6656 } 6657 } 6658 return maxModifiedTime; 6659 } 6660 return srcFile.lastModified(); 6661 } 6662 6663 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6664 final int policyFlags) throws PackageManagerException { 6665 // When upgrading from pre-N MR1, verify the package time stamp using the package 6666 // directory and not the APK file. 6667 final long lastModifiedTime = mIsPreNMR1Upgrade 6668 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 6669 if (ps != null 6670 && ps.codePath.equals(srcFile) 6671 && ps.timeStamp == lastModifiedTime 6672 && !isCompatSignatureUpdateNeeded(pkg) 6673 && !isRecoverSignatureUpdateNeeded(pkg)) { 6674 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6675 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6676 ArraySet<PublicKey> signingKs; 6677 synchronized (mPackages) { 6678 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6679 } 6680 if (ps.signatures.mSignatures != null 6681 && ps.signatures.mSignatures.length != 0 6682 && signingKs != null) { 6683 // Optimization: reuse the existing cached certificates 6684 // if the package appears to be unchanged. 6685 pkg.mSignatures = ps.signatures.mSignatures; 6686 pkg.mSigningKeys = signingKs; 6687 return; 6688 } 6689 6690 Slog.w(TAG, "PackageSetting for " + ps.name 6691 + " is missing signatures. Collecting certs again to recover them."); 6692 } else { 6693 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 6694 } 6695 6696 try { 6697 PackageParser.collectCertificates(pkg, policyFlags); 6698 } catch (PackageParserException e) { 6699 throw PackageManagerException.from(e); 6700 } 6701 } 6702 6703 /** 6704 * Traces a package scan. 6705 * @see #scanPackageLI(File, int, int, long, UserHandle) 6706 */ 6707 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6708 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6709 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6710 try { 6711 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6712 } finally { 6713 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6714 } 6715 } 6716 6717 /** 6718 * Scans a package and returns the newly parsed package. 6719 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6720 */ 6721 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6722 long currentTime, UserHandle user) throws PackageManagerException { 6723 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6724 PackageParser pp = new PackageParser(); 6725 pp.setSeparateProcesses(mSeparateProcesses); 6726 pp.setOnlyCoreApps(mOnlyCore); 6727 pp.setDisplayMetrics(mMetrics); 6728 6729 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6730 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6731 } 6732 6733 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6734 final PackageParser.Package pkg; 6735 try { 6736 pkg = pp.parsePackage(scanFile, parseFlags); 6737 } catch (PackageParserException e) { 6738 throw PackageManagerException.from(e); 6739 } finally { 6740 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6741 } 6742 6743 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6744 } 6745 6746 /** 6747 * Scans a package and returns the newly parsed package. 6748 * @throws PackageManagerException on a parse error. 6749 */ 6750 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6751 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6752 throws PackageManagerException { 6753 // If the package has children and this is the first dive in the function 6754 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6755 // packages (parent and children) would be successfully scanned before the 6756 // actual scan since scanning mutates internal state and we want to atomically 6757 // install the package and its children. 6758 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6759 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6760 scanFlags |= SCAN_CHECK_ONLY; 6761 } 6762 } else { 6763 scanFlags &= ~SCAN_CHECK_ONLY; 6764 } 6765 6766 // Scan the parent 6767 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6768 scanFlags, currentTime, user); 6769 6770 // Scan the children 6771 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6772 for (int i = 0; i < childCount; i++) { 6773 PackageParser.Package childPackage = pkg.childPackages.get(i); 6774 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6775 currentTime, user); 6776 } 6777 6778 6779 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6780 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6781 } 6782 6783 return scannedPkg; 6784 } 6785 6786 /** 6787 * Scans a package and returns the newly parsed package. 6788 * @throws PackageManagerException on a parse error. 6789 */ 6790 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6791 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6792 throws PackageManagerException { 6793 PackageSetting ps = null; 6794 PackageSetting updatedPkg; 6795 // reader 6796 synchronized (mPackages) { 6797 // Look to see if we already know about this package. 6798 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6799 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6800 // This package has been renamed to its original name. Let's 6801 // use that. 6802 ps = mSettings.peekPackageLPr(oldName); 6803 } 6804 // If there was no original package, see one for the real package name. 6805 if (ps == null) { 6806 ps = mSettings.peekPackageLPr(pkg.packageName); 6807 } 6808 // Check to see if this package could be hiding/updating a system 6809 // package. Must look for it either under the original or real 6810 // package name depending on our state. 6811 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6812 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6813 6814 // If this is a package we don't know about on the system partition, we 6815 // may need to remove disabled child packages on the system partition 6816 // or may need to not add child packages if the parent apk is updated 6817 // on the data partition and no longer defines this child package. 6818 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6819 // If this is a parent package for an updated system app and this system 6820 // app got an OTA update which no longer defines some of the child packages 6821 // we have to prune them from the disabled system packages. 6822 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6823 if (disabledPs != null) { 6824 final int scannedChildCount = (pkg.childPackages != null) 6825 ? pkg.childPackages.size() : 0; 6826 final int disabledChildCount = disabledPs.childPackageNames != null 6827 ? disabledPs.childPackageNames.size() : 0; 6828 for (int i = 0; i < disabledChildCount; i++) { 6829 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6830 boolean disabledPackageAvailable = false; 6831 for (int j = 0; j < scannedChildCount; j++) { 6832 PackageParser.Package childPkg = pkg.childPackages.get(j); 6833 if (childPkg.packageName.equals(disabledChildPackageName)) { 6834 disabledPackageAvailable = true; 6835 break; 6836 } 6837 } 6838 if (!disabledPackageAvailable) { 6839 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6840 } 6841 } 6842 } 6843 } 6844 } 6845 6846 boolean updatedPkgBetter = false; 6847 // First check if this is a system package that may involve an update 6848 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6849 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6850 // it needs to drop FLAG_PRIVILEGED. 6851 if (locationIsPrivileged(scanFile)) { 6852 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6853 } else { 6854 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6855 } 6856 6857 if (ps != null && !ps.codePath.equals(scanFile)) { 6858 // The path has changed from what was last scanned... check the 6859 // version of the new path against what we have stored to determine 6860 // what to do. 6861 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6862 if (pkg.mVersionCode <= ps.versionCode) { 6863 // The system package has been updated and the code path does not match 6864 // Ignore entry. Skip it. 6865 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6866 + " ignored: updated version " + ps.versionCode 6867 + " better than this " + pkg.mVersionCode); 6868 if (!updatedPkg.codePath.equals(scanFile)) { 6869 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6870 + ps.name + " changing from " + updatedPkg.codePathString 6871 + " to " + scanFile); 6872 updatedPkg.codePath = scanFile; 6873 updatedPkg.codePathString = scanFile.toString(); 6874 updatedPkg.resourcePath = scanFile; 6875 updatedPkg.resourcePathString = scanFile.toString(); 6876 } 6877 updatedPkg.pkg = pkg; 6878 updatedPkg.versionCode = pkg.mVersionCode; 6879 6880 // Update the disabled system child packages to point to the package too. 6881 final int childCount = updatedPkg.childPackageNames != null 6882 ? updatedPkg.childPackageNames.size() : 0; 6883 for (int i = 0; i < childCount; i++) { 6884 String childPackageName = updatedPkg.childPackageNames.get(i); 6885 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6886 childPackageName); 6887 if (updatedChildPkg != null) { 6888 updatedChildPkg.pkg = pkg; 6889 updatedChildPkg.versionCode = pkg.mVersionCode; 6890 } 6891 } 6892 6893 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6894 + scanFile + " ignored: updated version " + ps.versionCode 6895 + " better than this " + pkg.mVersionCode); 6896 } else { 6897 // The current app on the system partition is better than 6898 // what we have updated to on the data partition; switch 6899 // back to the system partition version. 6900 // At this point, its safely assumed that package installation for 6901 // apps in system partition will go through. If not there won't be a working 6902 // version of the app 6903 // writer 6904 synchronized (mPackages) { 6905 // Just remove the loaded entries from package lists. 6906 mPackages.remove(ps.name); 6907 } 6908 6909 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6910 + " reverting from " + ps.codePathString 6911 + ": new version " + pkg.mVersionCode 6912 + " better than installed " + ps.versionCode); 6913 6914 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6915 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6916 synchronized (mInstallLock) { 6917 args.cleanUpResourcesLI(); 6918 } 6919 synchronized (mPackages) { 6920 mSettings.enableSystemPackageLPw(ps.name); 6921 } 6922 updatedPkgBetter = true; 6923 } 6924 } 6925 } 6926 6927 if (updatedPkg != null) { 6928 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6929 // initially 6930 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6931 6932 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6933 // flag set initially 6934 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6935 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6936 } 6937 } 6938 6939 // Verify certificates against what was last scanned 6940 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6941 6942 /* 6943 * A new system app appeared, but we already had a non-system one of the 6944 * same name installed earlier. 6945 */ 6946 boolean shouldHideSystemApp = false; 6947 if (updatedPkg == null && ps != null 6948 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6949 /* 6950 * Check to make sure the signatures match first. If they don't, 6951 * wipe the installed application and its data. 6952 */ 6953 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6954 != PackageManager.SIGNATURE_MATCH) { 6955 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6956 + " signatures don't match existing userdata copy; removing"); 6957 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6958 "scanPackageInternalLI")) { 6959 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6960 } 6961 ps = null; 6962 } else { 6963 /* 6964 * If the newly-added system app is an older version than the 6965 * already installed version, hide it. It will be scanned later 6966 * and re-added like an update. 6967 */ 6968 if (pkg.mVersionCode <= ps.versionCode) { 6969 shouldHideSystemApp = true; 6970 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6971 + " but new version " + pkg.mVersionCode + " better than installed " 6972 + ps.versionCode + "; hiding system"); 6973 } else { 6974 /* 6975 * The newly found system app is a newer version that the 6976 * one previously installed. Simply remove the 6977 * already-installed application and replace it with our own 6978 * while keeping the application data. 6979 */ 6980 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6981 + " reverting from " + ps.codePathString + ": new version " 6982 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6983 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6984 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6985 synchronized (mInstallLock) { 6986 args.cleanUpResourcesLI(); 6987 } 6988 } 6989 } 6990 } 6991 6992 // The apk is forward locked (not public) if its code and resources 6993 // are kept in different files. (except for app in either system or 6994 // vendor path). 6995 // TODO grab this value from PackageSettings 6996 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6997 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6998 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 6999 } 7000 } 7001 7002 // TODO: extend to support forward-locked splits 7003 String resourcePath = null; 7004 String baseResourcePath = null; 7005 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7006 if (ps != null && ps.resourcePathString != null) { 7007 resourcePath = ps.resourcePathString; 7008 baseResourcePath = ps.resourcePathString; 7009 } else { 7010 // Should not happen at all. Just log an error. 7011 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7012 } 7013 } else { 7014 resourcePath = pkg.codePath; 7015 baseResourcePath = pkg.baseCodePath; 7016 } 7017 7018 // Set application objects path explicitly. 7019 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7020 pkg.setApplicationInfoCodePath(pkg.codePath); 7021 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7022 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7023 pkg.setApplicationInfoResourcePath(resourcePath); 7024 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7025 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7026 7027 // Note that we invoke the following method only if we are about to unpack an application 7028 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7029 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7030 7031 /* 7032 * If the system app should be overridden by a previously installed 7033 * data, hide the system app now and let the /data/app scan pick it up 7034 * again. 7035 */ 7036 if (shouldHideSystemApp) { 7037 synchronized (mPackages) { 7038 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7039 } 7040 } 7041 7042 return scannedPkg; 7043 } 7044 7045 private static String fixProcessName(String defProcessName, 7046 String processName, int uid) { 7047 if (processName == null) { 7048 return defProcessName; 7049 } 7050 return processName; 7051 } 7052 7053 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7054 throws PackageManagerException { 7055 if (pkgSetting.signatures.mSignatures != null) { 7056 // Already existing package. Make sure signatures match 7057 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7058 == PackageManager.SIGNATURE_MATCH; 7059 if (!match) { 7060 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7061 == PackageManager.SIGNATURE_MATCH; 7062 } 7063 if (!match) { 7064 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7065 == PackageManager.SIGNATURE_MATCH; 7066 } 7067 if (!match) { 7068 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7069 + pkg.packageName + " signatures do not match the " 7070 + "previously installed version; ignoring!"); 7071 } 7072 } 7073 7074 // Check for shared user signatures 7075 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7076 // Already existing package. Make sure signatures match 7077 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7078 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7079 if (!match) { 7080 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7081 == PackageManager.SIGNATURE_MATCH; 7082 } 7083 if (!match) { 7084 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7085 == PackageManager.SIGNATURE_MATCH; 7086 } 7087 if (!match) { 7088 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7089 "Package " + pkg.packageName 7090 + " has no signatures that match those in shared user " 7091 + pkgSetting.sharedUser.name + "; ignoring!"); 7092 } 7093 } 7094 } 7095 7096 /** 7097 * Enforces that only the system UID or root's UID can call a method exposed 7098 * via Binder. 7099 * 7100 * @param message used as message if SecurityException is thrown 7101 * @throws SecurityException if the caller is not system or root 7102 */ 7103 private static final void enforceSystemOrRoot(String message) { 7104 final int uid = Binder.getCallingUid(); 7105 if (uid != Process.SYSTEM_UID && uid != 0) { 7106 throw new SecurityException(message); 7107 } 7108 } 7109 7110 @Override 7111 public void performFstrimIfNeeded() { 7112 enforceSystemOrRoot("Only the system can request fstrim"); 7113 7114 // Before everything else, see whether we need to fstrim. 7115 try { 7116 IMountService ms = PackageHelper.getMountService(); 7117 if (ms != null) { 7118 boolean doTrim = false; 7119 final long interval = android.provider.Settings.Global.getLong( 7120 mContext.getContentResolver(), 7121 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7122 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7123 if (interval > 0) { 7124 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7125 if (timeSinceLast > interval) { 7126 doTrim = true; 7127 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7128 + "; running immediately"); 7129 } 7130 } 7131 if (doTrim) { 7132 if (!isFirstBoot()) { 7133 try { 7134 ActivityManagerNative.getDefault().showBootMessage( 7135 mContext.getResources().getString( 7136 R.string.android_upgrading_fstrim), true); 7137 } catch (RemoteException e) { 7138 } 7139 } 7140 ms.runMaintenance(); 7141 } 7142 } else { 7143 Slog.e(TAG, "Mount service unavailable!"); 7144 } 7145 } catch (RemoteException e) { 7146 // Can't happen; MountService is local 7147 } 7148 } 7149 7150 @Override 7151 public void updatePackagesIfNeeded() { 7152 enforceSystemOrRoot("Only the system can request package update"); 7153 7154 // We need to re-extract after an OTA. 7155 boolean causeUpgrade = isUpgrade(); 7156 7157 // First boot or factory reset. 7158 // Note: we also handle devices that are upgrading to N right now as if it is their 7159 // first boot, as they do not have profile data. 7160 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7161 7162 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7163 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7164 7165 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7166 return; 7167 } 7168 7169 List<PackageParser.Package> pkgs; 7170 synchronized (mPackages) { 7171 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7172 } 7173 7174 final long startTime = System.nanoTime(); 7175 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7176 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7177 7178 final int elapsedTimeSeconds = 7179 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7180 7181 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7182 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7183 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7184 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7185 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7186 } 7187 7188 /** 7189 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7190 * containing statistics about the invocation. The array consists of three elements, 7191 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7192 * and {@code numberOfPackagesFailed}. 7193 */ 7194 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7195 String compilerFilter) { 7196 7197 int numberOfPackagesVisited = 0; 7198 int numberOfPackagesOptimized = 0; 7199 int numberOfPackagesSkipped = 0; 7200 int numberOfPackagesFailed = 0; 7201 final int numberOfPackagesToDexopt = pkgs.size(); 7202 7203 for (PackageParser.Package pkg : pkgs) { 7204 numberOfPackagesVisited++; 7205 7206 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7207 if (DEBUG_DEXOPT) { 7208 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7209 } 7210 numberOfPackagesSkipped++; 7211 continue; 7212 } 7213 7214 if (DEBUG_DEXOPT) { 7215 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7216 numberOfPackagesToDexopt + ": " + pkg.packageName); 7217 } 7218 7219 if (showDialog) { 7220 try { 7221 ActivityManagerNative.getDefault().showBootMessage( 7222 mContext.getResources().getString(R.string.android_upgrading_apk, 7223 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7224 } catch (RemoteException e) { 7225 } 7226 } 7227 7228 // If the OTA updates a system app which was previously preopted to a non-preopted state 7229 // the app might end up being verified at runtime. That's because by default the apps 7230 // are verify-profile but for preopted apps there's no profile. 7231 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7232 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7233 // filter (by default interpret-only). 7234 // Note that at this stage unused apps are already filtered. 7235 if (isSystemApp(pkg) && 7236 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7237 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7238 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7239 } 7240 7241 // checkProfiles is false to avoid merging profiles during boot which 7242 // might interfere with background compilation (b/28612421). 7243 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7244 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7245 // trade-off worth doing to save boot time work. 7246 int dexOptStatus = performDexOptTraced(pkg.packageName, 7247 false /* checkProfiles */, 7248 compilerFilter, 7249 false /* force */); 7250 switch (dexOptStatus) { 7251 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7252 numberOfPackagesOptimized++; 7253 break; 7254 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7255 numberOfPackagesSkipped++; 7256 break; 7257 case PackageDexOptimizer.DEX_OPT_FAILED: 7258 numberOfPackagesFailed++; 7259 break; 7260 default: 7261 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7262 break; 7263 } 7264 } 7265 7266 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7267 numberOfPackagesFailed }; 7268 } 7269 7270 @Override 7271 public void notifyPackageUse(String packageName, int reason) { 7272 synchronized (mPackages) { 7273 PackageParser.Package p = mPackages.get(packageName); 7274 if (p == null) { 7275 return; 7276 } 7277 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7278 } 7279 } 7280 7281 // TODO: this is not used nor needed. Delete it. 7282 @Override 7283 public boolean performDexOptIfNeeded(String packageName) { 7284 int dexOptStatus = performDexOptTraced(packageName, 7285 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7286 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7287 } 7288 7289 @Override 7290 public boolean performDexOpt(String packageName, 7291 boolean checkProfiles, int compileReason, boolean force) { 7292 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7293 getCompilerFilterForReason(compileReason), force); 7294 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7295 } 7296 7297 @Override 7298 public boolean performDexOptMode(String packageName, 7299 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7300 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7301 targetCompilerFilter, force); 7302 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7303 } 7304 7305 private int performDexOptTraced(String packageName, 7306 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7307 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7308 try { 7309 return performDexOptInternal(packageName, checkProfiles, 7310 targetCompilerFilter, force); 7311 } finally { 7312 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7313 } 7314 } 7315 7316 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7317 // if the package can now be considered up to date for the given filter. 7318 private int performDexOptInternal(String packageName, 7319 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7320 PackageParser.Package p; 7321 synchronized (mPackages) { 7322 p = mPackages.get(packageName); 7323 if (p == null) { 7324 // Package could not be found. Report failure. 7325 return PackageDexOptimizer.DEX_OPT_FAILED; 7326 } 7327 mPackageUsage.maybeWriteAsync(mPackages); 7328 mCompilerStats.maybeWriteAsync(); 7329 } 7330 long callingId = Binder.clearCallingIdentity(); 7331 try { 7332 synchronized (mInstallLock) { 7333 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7334 targetCompilerFilter, force); 7335 } 7336 } finally { 7337 Binder.restoreCallingIdentity(callingId); 7338 } 7339 } 7340 7341 public ArraySet<String> getOptimizablePackages() { 7342 ArraySet<String> pkgs = new ArraySet<String>(); 7343 synchronized (mPackages) { 7344 for (PackageParser.Package p : mPackages.values()) { 7345 if (PackageDexOptimizer.canOptimizePackage(p)) { 7346 pkgs.add(p.packageName); 7347 } 7348 } 7349 } 7350 return pkgs; 7351 } 7352 7353 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7354 boolean checkProfiles, String targetCompilerFilter, 7355 boolean force) { 7356 // Select the dex optimizer based on the force parameter. 7357 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7358 // allocate an object here. 7359 PackageDexOptimizer pdo = force 7360 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7361 : mPackageDexOptimizer; 7362 7363 // Optimize all dependencies first. Note: we ignore the return value and march on 7364 // on errors. 7365 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7366 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7367 if (!deps.isEmpty()) { 7368 for (PackageParser.Package depPackage : deps) { 7369 // TODO: Analyze and investigate if we (should) profile libraries. 7370 // Currently this will do a full compilation of the library by default. 7371 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7372 false /* checkProfiles */, 7373 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7374 getOrCreateCompilerPackageStats(depPackage)); 7375 } 7376 } 7377 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7378 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7379 } 7380 7381 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7382 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7383 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7384 Set<String> collectedNames = new HashSet<>(); 7385 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7386 7387 retValue.remove(p); 7388 7389 return retValue; 7390 } else { 7391 return Collections.emptyList(); 7392 } 7393 } 7394 7395 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7396 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7397 if (!collectedNames.contains(p.packageName)) { 7398 collectedNames.add(p.packageName); 7399 collected.add(p); 7400 7401 if (p.usesLibraries != null) { 7402 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7403 } 7404 if (p.usesOptionalLibraries != null) { 7405 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7406 collectedNames); 7407 } 7408 } 7409 } 7410 7411 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7412 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7413 for (String libName : libs) { 7414 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7415 if (libPkg != null) { 7416 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7417 } 7418 } 7419 } 7420 7421 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7422 synchronized (mPackages) { 7423 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7424 if (lib != null && lib.apk != null) { 7425 return mPackages.get(lib.apk); 7426 } 7427 } 7428 return null; 7429 } 7430 7431 public void shutdown() { 7432 mPackageUsage.writeNow(mPackages); 7433 mCompilerStats.writeNow(); 7434 } 7435 7436 @Override 7437 public void dumpProfiles(String packageName) { 7438 PackageParser.Package pkg; 7439 synchronized (mPackages) { 7440 pkg = mPackages.get(packageName); 7441 if (pkg == null) { 7442 throw new IllegalArgumentException("Unknown package: " + packageName); 7443 } 7444 } 7445 /* Only the shell, root, or the app user should be able to dump profiles. */ 7446 int callingUid = Binder.getCallingUid(); 7447 if (callingUid != Process.SHELL_UID && 7448 callingUid != Process.ROOT_UID && 7449 callingUid != pkg.applicationInfo.uid) { 7450 throw new SecurityException("dumpProfiles"); 7451 } 7452 7453 synchronized (mInstallLock) { 7454 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7455 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7456 try { 7457 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7458 String gid = Integer.toString(sharedGid); 7459 String codePaths = TextUtils.join(";", allCodePaths); 7460 mInstaller.dumpProfiles(gid, packageName, codePaths); 7461 } catch (InstallerException e) { 7462 Slog.w(TAG, "Failed to dump profiles", e); 7463 } 7464 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7465 } 7466 } 7467 7468 @Override 7469 public void forceDexOpt(String packageName) { 7470 enforceSystemOrRoot("forceDexOpt"); 7471 7472 PackageParser.Package pkg; 7473 synchronized (mPackages) { 7474 pkg = mPackages.get(packageName); 7475 if (pkg == null) { 7476 throw new IllegalArgumentException("Unknown package: " + packageName); 7477 } 7478 } 7479 7480 synchronized (mInstallLock) { 7481 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7482 7483 // Whoever is calling forceDexOpt wants a fully compiled package. 7484 // Don't use profiles since that may cause compilation to be skipped. 7485 final int res = performDexOptInternalWithDependenciesLI(pkg, 7486 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7487 true /* force */); 7488 7489 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7490 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7491 throw new IllegalStateException("Failed to dexopt: " + res); 7492 } 7493 } 7494 } 7495 7496 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7497 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7498 Slog.w(TAG, "Unable to update from " + oldPkg.name 7499 + " to " + newPkg.packageName 7500 + ": old package not in system partition"); 7501 return false; 7502 } else if (mPackages.get(oldPkg.name) != null) { 7503 Slog.w(TAG, "Unable to update from " + oldPkg.name 7504 + " to " + newPkg.packageName 7505 + ": old package still exists"); 7506 return false; 7507 } 7508 return true; 7509 } 7510 7511 void removeCodePathLI(File codePath) { 7512 if (codePath.isDirectory()) { 7513 try { 7514 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7515 } catch (InstallerException e) { 7516 Slog.w(TAG, "Failed to remove code path", e); 7517 } 7518 } else { 7519 codePath.delete(); 7520 } 7521 } 7522 7523 private int[] resolveUserIds(int userId) { 7524 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7525 } 7526 7527 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7528 if (pkg == null) { 7529 Slog.wtf(TAG, "Package was null!", new Throwable()); 7530 return; 7531 } 7532 clearAppDataLeafLIF(pkg, userId, flags); 7533 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7534 for (int i = 0; i < childCount; i++) { 7535 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7536 } 7537 } 7538 7539 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7540 final PackageSetting ps; 7541 synchronized (mPackages) { 7542 ps = mSettings.mPackages.get(pkg.packageName); 7543 } 7544 for (int realUserId : resolveUserIds(userId)) { 7545 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7546 try { 7547 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7548 ceDataInode); 7549 } catch (InstallerException e) { 7550 Slog.w(TAG, String.valueOf(e)); 7551 } 7552 } 7553 } 7554 7555 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7556 if (pkg == null) { 7557 Slog.wtf(TAG, "Package was null!", new Throwable()); 7558 return; 7559 } 7560 destroyAppDataLeafLIF(pkg, userId, flags); 7561 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7562 for (int i = 0; i < childCount; i++) { 7563 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7564 } 7565 } 7566 7567 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7568 final PackageSetting ps; 7569 synchronized (mPackages) { 7570 ps = mSettings.mPackages.get(pkg.packageName); 7571 } 7572 for (int realUserId : resolveUserIds(userId)) { 7573 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7574 try { 7575 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7576 ceDataInode); 7577 } catch (InstallerException e) { 7578 Slog.w(TAG, String.valueOf(e)); 7579 } 7580 } 7581 } 7582 7583 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7584 if (pkg == null) { 7585 Slog.wtf(TAG, "Package was null!", new Throwable()); 7586 return; 7587 } 7588 destroyAppProfilesLeafLIF(pkg); 7589 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7590 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7591 for (int i = 0; i < childCount; i++) { 7592 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7593 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7594 true /* removeBaseMarker */); 7595 } 7596 } 7597 7598 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7599 boolean removeBaseMarker) { 7600 if (pkg.isForwardLocked()) { 7601 return; 7602 } 7603 7604 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7605 try { 7606 path = PackageManagerServiceUtils.realpath(new File(path)); 7607 } catch (IOException e) { 7608 // TODO: Should we return early here ? 7609 Slog.w(TAG, "Failed to get canonical path", e); 7610 continue; 7611 } 7612 7613 final String useMarker = path.replace('/', '@'); 7614 for (int realUserId : resolveUserIds(userId)) { 7615 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7616 if (removeBaseMarker) { 7617 File foreignUseMark = new File(profileDir, useMarker); 7618 if (foreignUseMark.exists()) { 7619 if (!foreignUseMark.delete()) { 7620 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7621 + pkg.packageName); 7622 } 7623 } 7624 } 7625 7626 File[] markers = profileDir.listFiles(); 7627 if (markers != null) { 7628 final String searchString = "@" + pkg.packageName + "@"; 7629 // We also delete all markers that contain the package name we're 7630 // uninstalling. These are associated with secondary dex-files belonging 7631 // to the package. Reconstructing the path of these dex files is messy 7632 // in general. 7633 for (File marker : markers) { 7634 if (marker.getName().indexOf(searchString) > 0) { 7635 if (!marker.delete()) { 7636 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7637 + pkg.packageName); 7638 } 7639 } 7640 } 7641 } 7642 } 7643 } 7644 } 7645 7646 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7647 try { 7648 mInstaller.destroyAppProfiles(pkg.packageName); 7649 } catch (InstallerException e) { 7650 Slog.w(TAG, String.valueOf(e)); 7651 } 7652 } 7653 7654 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7655 if (pkg == null) { 7656 Slog.wtf(TAG, "Package was null!", new Throwable()); 7657 return; 7658 } 7659 clearAppProfilesLeafLIF(pkg); 7660 // We don't remove the base foreign use marker when clearing profiles because 7661 // we will rename it when the app is updated. Unlike the actual profile contents, 7662 // the foreign use marker is good across installs. 7663 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7664 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7665 for (int i = 0; i < childCount; i++) { 7666 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7667 } 7668 } 7669 7670 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7671 try { 7672 mInstaller.clearAppProfiles(pkg.packageName); 7673 } catch (InstallerException e) { 7674 Slog.w(TAG, String.valueOf(e)); 7675 } 7676 } 7677 7678 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7679 long lastUpdateTime) { 7680 // Set parent install/update time 7681 PackageSetting ps = (PackageSetting) pkg.mExtras; 7682 if (ps != null) { 7683 ps.firstInstallTime = firstInstallTime; 7684 ps.lastUpdateTime = lastUpdateTime; 7685 } 7686 // Set children install/update time 7687 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7688 for (int i = 0; i < childCount; i++) { 7689 PackageParser.Package childPkg = pkg.childPackages.get(i); 7690 ps = (PackageSetting) childPkg.mExtras; 7691 if (ps != null) { 7692 ps.firstInstallTime = firstInstallTime; 7693 ps.lastUpdateTime = lastUpdateTime; 7694 } 7695 } 7696 } 7697 7698 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7699 PackageParser.Package changingLib) { 7700 if (file.path != null) { 7701 usesLibraryFiles.add(file.path); 7702 return; 7703 } 7704 PackageParser.Package p = mPackages.get(file.apk); 7705 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7706 // If we are doing this while in the middle of updating a library apk, 7707 // then we need to make sure to use that new apk for determining the 7708 // dependencies here. (We haven't yet finished committing the new apk 7709 // to the package manager state.) 7710 if (p == null || p.packageName.equals(changingLib.packageName)) { 7711 p = changingLib; 7712 } 7713 } 7714 if (p != null) { 7715 usesLibraryFiles.addAll(p.getAllCodePaths()); 7716 } 7717 } 7718 7719 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7720 PackageParser.Package changingLib) throws PackageManagerException { 7721 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7722 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7723 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7724 for (int i=0; i<N; i++) { 7725 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7726 if (file == null) { 7727 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7728 "Package " + pkg.packageName + " requires unavailable shared library " 7729 + pkg.usesLibraries.get(i) + "; failing!"); 7730 } 7731 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7732 } 7733 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7734 for (int i=0; i<N; i++) { 7735 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7736 if (file == null) { 7737 Slog.w(TAG, "Package " + pkg.packageName 7738 + " desires unavailable shared library " 7739 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7740 } else { 7741 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7742 } 7743 } 7744 N = usesLibraryFiles.size(); 7745 if (N > 0) { 7746 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7747 } else { 7748 pkg.usesLibraryFiles = null; 7749 } 7750 } 7751 } 7752 7753 private static boolean hasString(List<String> list, List<String> which) { 7754 if (list == null) { 7755 return false; 7756 } 7757 for (int i=list.size()-1; i>=0; i--) { 7758 for (int j=which.size()-1; j>=0; j--) { 7759 if (which.get(j).equals(list.get(i))) { 7760 return true; 7761 } 7762 } 7763 } 7764 return false; 7765 } 7766 7767 private void updateAllSharedLibrariesLPw() { 7768 for (PackageParser.Package pkg : mPackages.values()) { 7769 try { 7770 updateSharedLibrariesLPw(pkg, null); 7771 } catch (PackageManagerException e) { 7772 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7773 } 7774 } 7775 } 7776 7777 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7778 PackageParser.Package changingPkg) { 7779 ArrayList<PackageParser.Package> res = null; 7780 for (PackageParser.Package pkg : mPackages.values()) { 7781 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7782 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7783 if (res == null) { 7784 res = new ArrayList<PackageParser.Package>(); 7785 } 7786 res.add(pkg); 7787 try { 7788 updateSharedLibrariesLPw(pkg, changingPkg); 7789 } catch (PackageManagerException e) { 7790 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7791 } 7792 } 7793 } 7794 return res; 7795 } 7796 7797 /** 7798 * Derive the value of the {@code cpuAbiOverride} based on the provided 7799 * value and an optional stored value from the package settings. 7800 */ 7801 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7802 String cpuAbiOverride = null; 7803 7804 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7805 cpuAbiOverride = null; 7806 } else if (abiOverride != null) { 7807 cpuAbiOverride = abiOverride; 7808 } else if (settings != null) { 7809 cpuAbiOverride = settings.cpuAbiOverrideString; 7810 } 7811 7812 return cpuAbiOverride; 7813 } 7814 7815 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7816 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7817 throws PackageManagerException { 7818 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7819 // If the package has children and this is the first dive in the function 7820 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7821 // whether all packages (parent and children) would be successfully scanned 7822 // before the actual scan since scanning mutates internal state and we want 7823 // to atomically install the package and its children. 7824 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7825 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7826 scanFlags |= SCAN_CHECK_ONLY; 7827 } 7828 } else { 7829 scanFlags &= ~SCAN_CHECK_ONLY; 7830 } 7831 7832 final PackageParser.Package scannedPkg; 7833 try { 7834 // Scan the parent 7835 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7836 // Scan the children 7837 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7838 for (int i = 0; i < childCount; i++) { 7839 PackageParser.Package childPkg = pkg.childPackages.get(i); 7840 scanPackageLI(childPkg, policyFlags, 7841 scanFlags, currentTime, user); 7842 } 7843 } finally { 7844 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7845 } 7846 7847 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7848 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7849 } 7850 7851 return scannedPkg; 7852 } 7853 7854 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7855 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7856 boolean success = false; 7857 try { 7858 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7859 currentTime, user); 7860 success = true; 7861 return res; 7862 } finally { 7863 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7864 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7865 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7866 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7867 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7868 } 7869 } 7870 } 7871 7872 /** 7873 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7874 */ 7875 private static boolean apkHasCode(String fileName) { 7876 StrictJarFile jarFile = null; 7877 try { 7878 jarFile = new StrictJarFile(fileName, 7879 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7880 return jarFile.findEntry("classes.dex") != null; 7881 } catch (IOException ignore) { 7882 } finally { 7883 try { 7884 if (jarFile != null) { 7885 jarFile.close(); 7886 } 7887 } catch (IOException ignore) {} 7888 } 7889 return false; 7890 } 7891 7892 /** 7893 * Enforces code policy for the package. This ensures that if an APK has 7894 * declared hasCode="true" in its manifest that the APK actually contains 7895 * code. 7896 * 7897 * @throws PackageManagerException If bytecode could not be found when it should exist 7898 */ 7899 private static void enforceCodePolicy(PackageParser.Package pkg) 7900 throws PackageManagerException { 7901 final boolean shouldHaveCode = 7902 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7903 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7904 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7905 "Package " + pkg.baseCodePath + " code is missing"); 7906 } 7907 7908 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7909 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7910 final boolean splitShouldHaveCode = 7911 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7912 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7913 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7914 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7915 } 7916 } 7917 } 7918 } 7919 7920 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7921 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7922 throws PackageManagerException { 7923 final File scanFile = new File(pkg.codePath); 7924 if (pkg.applicationInfo.getCodePath() == null || 7925 pkg.applicationInfo.getResourcePath() == null) { 7926 // Bail out. The resource and code paths haven't been set. 7927 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7928 "Code and resource paths haven't been set correctly"); 7929 } 7930 7931 // Apply policy 7932 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7933 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7934 if (pkg.applicationInfo.isDirectBootAware()) { 7935 // we're direct boot aware; set for all components 7936 for (PackageParser.Service s : pkg.services) { 7937 s.info.encryptionAware = s.info.directBootAware = true; 7938 } 7939 for (PackageParser.Provider p : pkg.providers) { 7940 p.info.encryptionAware = p.info.directBootAware = true; 7941 } 7942 for (PackageParser.Activity a : pkg.activities) { 7943 a.info.encryptionAware = a.info.directBootAware = true; 7944 } 7945 for (PackageParser.Activity r : pkg.receivers) { 7946 r.info.encryptionAware = r.info.directBootAware = true; 7947 } 7948 } 7949 } else { 7950 // Only allow system apps to be flagged as core apps. 7951 pkg.coreApp = false; 7952 // clear flags not applicable to regular apps 7953 pkg.applicationInfo.privateFlags &= 7954 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7955 pkg.applicationInfo.privateFlags &= 7956 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7957 } 7958 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7959 7960 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7961 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7962 } 7963 7964 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7965 enforceCodePolicy(pkg); 7966 } 7967 7968 if (mCustomResolverComponentName != null && 7969 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7970 setUpCustomResolverActivity(pkg); 7971 } 7972 7973 if (pkg.packageName.equals("android")) { 7974 synchronized (mPackages) { 7975 if (mAndroidApplication != null) { 7976 Slog.w(TAG, "*************************************************"); 7977 Slog.w(TAG, "Core android package being redefined. Skipping."); 7978 Slog.w(TAG, " file=" + scanFile); 7979 Slog.w(TAG, "*************************************************"); 7980 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7981 "Core android package being redefined. Skipping."); 7982 } 7983 7984 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7985 // Set up information for our fall-back user intent resolution activity. 7986 mPlatformPackage = pkg; 7987 pkg.mVersionCode = mSdkVersion; 7988 mAndroidApplication = pkg.applicationInfo; 7989 7990 if (!mResolverReplaced) { 7991 mResolveActivity.applicationInfo = mAndroidApplication; 7992 mResolveActivity.name = ResolverActivity.class.getName(); 7993 mResolveActivity.packageName = mAndroidApplication.packageName; 7994 mResolveActivity.processName = "system:ui"; 7995 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7996 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7997 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7998 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 7999 mResolveActivity.exported = true; 8000 mResolveActivity.enabled = true; 8001 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8002 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8003 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8004 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8005 | ActivityInfo.CONFIG_ORIENTATION 8006 | ActivityInfo.CONFIG_KEYBOARD 8007 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8008 mResolveInfo.activityInfo = mResolveActivity; 8009 mResolveInfo.priority = 0; 8010 mResolveInfo.preferredOrder = 0; 8011 mResolveInfo.match = 0; 8012 mResolveComponentName = new ComponentName( 8013 mAndroidApplication.packageName, mResolveActivity.name); 8014 } 8015 } 8016 } 8017 } 8018 8019 if (DEBUG_PACKAGE_SCANNING) { 8020 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8021 Log.d(TAG, "Scanning package " + pkg.packageName); 8022 } 8023 8024 synchronized (mPackages) { 8025 if (mPackages.containsKey(pkg.packageName) 8026 || mSharedLibraries.containsKey(pkg.packageName)) { 8027 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8028 "Application package " + pkg.packageName 8029 + " already installed. Skipping duplicate."); 8030 } 8031 8032 // If we're only installing presumed-existing packages, require that the 8033 // scanned APK is both already known and at the path previously established 8034 // for it. Previously unknown packages we pick up normally, but if we have an 8035 // a priori expectation about this package's install presence, enforce it. 8036 // With a singular exception for new system packages. When an OTA contains 8037 // a new system package, we allow the codepath to change from a system location 8038 // to the user-installed location. If we don't allow this change, any newer, 8039 // user-installed version of the application will be ignored. 8040 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8041 if (mExpectingBetter.containsKey(pkg.packageName)) { 8042 logCriticalInfo(Log.WARN, 8043 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8044 } else { 8045 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8046 if (known != null) { 8047 if (DEBUG_PACKAGE_SCANNING) { 8048 Log.d(TAG, "Examining " + pkg.codePath 8049 + " and requiring known paths " + known.codePathString 8050 + " & " + known.resourcePathString); 8051 } 8052 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8053 || !pkg.applicationInfo.getResourcePath().equals( 8054 known.resourcePathString)) { 8055 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8056 "Application package " + pkg.packageName 8057 + " found at " + pkg.applicationInfo.getCodePath() 8058 + " but expected at " + known.codePathString 8059 + "; ignoring."); 8060 } 8061 } 8062 } 8063 } 8064 } 8065 8066 // Initialize package source and resource directories 8067 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8068 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8069 8070 SharedUserSetting suid = null; 8071 PackageSetting pkgSetting = null; 8072 8073 if (!isSystemApp(pkg)) { 8074 // Only system apps can use these features. 8075 pkg.mOriginalPackages = null; 8076 pkg.mRealPackage = null; 8077 pkg.mAdoptPermissions = null; 8078 } 8079 8080 // Getting the package setting may have a side-effect, so if we 8081 // are only checking if scan would succeed, stash a copy of the 8082 // old setting to restore at the end. 8083 PackageSetting nonMutatedPs = null; 8084 8085 // writer 8086 synchronized (mPackages) { 8087 if (pkg.mSharedUserId != null) { 8088 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8089 if (suid == null) { 8090 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8091 "Creating application package " + pkg.packageName 8092 + " for shared user failed"); 8093 } 8094 if (DEBUG_PACKAGE_SCANNING) { 8095 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8096 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8097 + "): packages=" + suid.packages); 8098 } 8099 } 8100 8101 // Check if we are renaming from an original package name. 8102 PackageSetting origPackage = null; 8103 String realName = null; 8104 if (pkg.mOriginalPackages != null) { 8105 // This package may need to be renamed to a previously 8106 // installed name. Let's check on that... 8107 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8108 if (pkg.mOriginalPackages.contains(renamed)) { 8109 // This package had originally been installed as the 8110 // original name, and we have already taken care of 8111 // transitioning to the new one. Just update the new 8112 // one to continue using the old name. 8113 realName = pkg.mRealPackage; 8114 if (!pkg.packageName.equals(renamed)) { 8115 // Callers into this function may have already taken 8116 // care of renaming the package; only do it here if 8117 // it is not already done. 8118 pkg.setPackageName(renamed); 8119 } 8120 8121 } else { 8122 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8123 if ((origPackage = mSettings.peekPackageLPr( 8124 pkg.mOriginalPackages.get(i))) != null) { 8125 // We do have the package already installed under its 8126 // original name... should we use it? 8127 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8128 // New package is not compatible with original. 8129 origPackage = null; 8130 continue; 8131 } else if (origPackage.sharedUser != null) { 8132 // Make sure uid is compatible between packages. 8133 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8134 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8135 + " to " + pkg.packageName + ": old uid " 8136 + origPackage.sharedUser.name 8137 + " differs from " + pkg.mSharedUserId); 8138 origPackage = null; 8139 continue; 8140 } 8141 // TODO: Add case when shared user id is added [b/28144775] 8142 } else { 8143 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8144 + pkg.packageName + " to old name " + origPackage.name); 8145 } 8146 break; 8147 } 8148 } 8149 } 8150 } 8151 8152 if (mTransferedPackages.contains(pkg.packageName)) { 8153 Slog.w(TAG, "Package " + pkg.packageName 8154 + " was transferred to another, but its .apk remains"); 8155 } 8156 8157 // See comments in nonMutatedPs declaration 8158 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8159 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8160 if (foundPs != null) { 8161 nonMutatedPs = new PackageSetting(foundPs); 8162 } 8163 } 8164 8165 // Just create the setting, don't add it yet. For already existing packages 8166 // the PkgSetting exists already and doesn't have to be created. 8167 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8168 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8169 pkg.applicationInfo.primaryCpuAbi, 8170 pkg.applicationInfo.secondaryCpuAbi, 8171 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8172 user, false); 8173 if (pkgSetting == null) { 8174 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8175 "Creating application package " + pkg.packageName + " failed"); 8176 } 8177 8178 if (pkgSetting.origPackage != null) { 8179 // If we are first transitioning from an original package, 8180 // fix up the new package's name now. We need to do this after 8181 // looking up the package under its new name, so getPackageLP 8182 // can take care of fiddling things correctly. 8183 pkg.setPackageName(origPackage.name); 8184 8185 // File a report about this. 8186 String msg = "New package " + pkgSetting.realName 8187 + " renamed to replace old package " + pkgSetting.name; 8188 reportSettingsProblem(Log.WARN, msg); 8189 8190 // Make a note of it. 8191 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8192 mTransferedPackages.add(origPackage.name); 8193 } 8194 8195 // No longer need to retain this. 8196 pkgSetting.origPackage = null; 8197 } 8198 8199 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8200 // Make a note of it. 8201 mTransferedPackages.add(pkg.packageName); 8202 } 8203 8204 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8205 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8206 } 8207 8208 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8209 // Check all shared libraries and map to their actual file path. 8210 // We only do this here for apps not on a system dir, because those 8211 // are the only ones that can fail an install due to this. We 8212 // will take care of the system apps by updating all of their 8213 // library paths after the scan is done. 8214 updateSharedLibrariesLPw(pkg, null); 8215 } 8216 8217 if (mFoundPolicyFile) { 8218 SELinuxMMAC.assignSeinfoValue(pkg); 8219 } 8220 8221 pkg.applicationInfo.uid = pkgSetting.appId; 8222 pkg.mExtras = pkgSetting; 8223 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8224 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8225 // We just determined the app is signed correctly, so bring 8226 // over the latest parsed certs. 8227 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8228 } else { 8229 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8230 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8231 "Package " + pkg.packageName + " upgrade keys do not match the " 8232 + "previously installed version"); 8233 } else { 8234 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8235 String msg = "System package " + pkg.packageName 8236 + " signature changed; retaining data."; 8237 reportSettingsProblem(Log.WARN, msg); 8238 } 8239 } 8240 } else { 8241 try { 8242 verifySignaturesLP(pkgSetting, pkg); 8243 // We just determined the app is signed correctly, so bring 8244 // over the latest parsed certs. 8245 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8246 } catch (PackageManagerException e) { 8247 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8248 throw e; 8249 } 8250 // The signature has changed, but this package is in the system 8251 // image... let's recover! 8252 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8253 // However... if this package is part of a shared user, but it 8254 // doesn't match the signature of the shared user, let's fail. 8255 // What this means is that you can't change the signatures 8256 // associated with an overall shared user, which doesn't seem all 8257 // that unreasonable. 8258 if (pkgSetting.sharedUser != null) { 8259 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8260 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8261 throw new PackageManagerException( 8262 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8263 "Signature mismatch for shared user: " 8264 + pkgSetting.sharedUser); 8265 } 8266 } 8267 // File a report about this. 8268 String msg = "System package " + pkg.packageName 8269 + " signature changed; retaining data."; 8270 reportSettingsProblem(Log.WARN, msg); 8271 } 8272 } 8273 // Verify that this new package doesn't have any content providers 8274 // that conflict with existing packages. Only do this if the 8275 // package isn't already installed, since we don't want to break 8276 // things that are installed. 8277 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8278 final int N = pkg.providers.size(); 8279 int i; 8280 for (i=0; i<N; i++) { 8281 PackageParser.Provider p = pkg.providers.get(i); 8282 if (p.info.authority != null) { 8283 String names[] = p.info.authority.split(";"); 8284 for (int j = 0; j < names.length; j++) { 8285 if (mProvidersByAuthority.containsKey(names[j])) { 8286 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8287 final String otherPackageName = 8288 ((other != null && other.getComponentName() != null) ? 8289 other.getComponentName().getPackageName() : "?"); 8290 throw new PackageManagerException( 8291 INSTALL_FAILED_CONFLICTING_PROVIDER, 8292 "Can't install because provider name " + names[j] 8293 + " (in package " + pkg.applicationInfo.packageName 8294 + ") is already used by " + otherPackageName); 8295 } 8296 } 8297 } 8298 } 8299 } 8300 8301 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8302 // This package wants to adopt ownership of permissions from 8303 // another package. 8304 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8305 final String origName = pkg.mAdoptPermissions.get(i); 8306 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8307 if (orig != null) { 8308 if (verifyPackageUpdateLPr(orig, pkg)) { 8309 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8310 + pkg.packageName); 8311 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8312 } 8313 } 8314 } 8315 } 8316 } 8317 8318 final String pkgName = pkg.packageName; 8319 8320 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8321 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8322 pkg.applicationInfo.processName = fixProcessName( 8323 pkg.applicationInfo.packageName, 8324 pkg.applicationInfo.processName, 8325 pkg.applicationInfo.uid); 8326 8327 if (pkg != mPlatformPackage) { 8328 // Get all of our default paths setup 8329 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8330 } 8331 8332 final String path = scanFile.getPath(); 8333 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8334 8335 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8336 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8337 8338 // Some system apps still use directory structure for native libraries 8339 // in which case we might end up not detecting abi solely based on apk 8340 // structure. Try to detect abi based on directory structure. 8341 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8342 pkg.applicationInfo.primaryCpuAbi == null) { 8343 setBundledAppAbisAndRoots(pkg, pkgSetting); 8344 setNativeLibraryPaths(pkg); 8345 } 8346 8347 } else { 8348 if ((scanFlags & SCAN_MOVE) != 0) { 8349 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8350 // but we already have this packages package info in the PackageSetting. We just 8351 // use that and derive the native library path based on the new codepath. 8352 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8353 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8354 } 8355 8356 // Set native library paths again. For moves, the path will be updated based on the 8357 // ABIs we've determined above. For non-moves, the path will be updated based on the 8358 // ABIs we determined during compilation, but the path will depend on the final 8359 // package path (after the rename away from the stage path). 8360 setNativeLibraryPaths(pkg); 8361 } 8362 8363 // This is a special case for the "system" package, where the ABI is 8364 // dictated by the zygote configuration (and init.rc). We should keep track 8365 // of this ABI so that we can deal with "normal" applications that run under 8366 // the same UID correctly. 8367 if (mPlatformPackage == pkg) { 8368 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8369 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8370 } 8371 8372 // If there's a mismatch between the abi-override in the package setting 8373 // and the abiOverride specified for the install. Warn about this because we 8374 // would've already compiled the app without taking the package setting into 8375 // account. 8376 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8377 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8378 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8379 " for package " + pkg.packageName); 8380 } 8381 } 8382 8383 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8384 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8385 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8386 8387 // Copy the derived override back to the parsed package, so that we can 8388 // update the package settings accordingly. 8389 pkg.cpuAbiOverride = cpuAbiOverride; 8390 8391 if (DEBUG_ABI_SELECTION) { 8392 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8393 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8394 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8395 } 8396 8397 // Push the derived path down into PackageSettings so we know what to 8398 // clean up at uninstall time. 8399 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8400 8401 if (DEBUG_ABI_SELECTION) { 8402 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8403 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8404 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8405 } 8406 8407 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8408 // We don't do this here during boot because we can do it all 8409 // at once after scanning all existing packages. 8410 // 8411 // We also do this *before* we perform dexopt on this package, so that 8412 // we can avoid redundant dexopts, and also to make sure we've got the 8413 // code and package path correct. 8414 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8415 pkg, true /* boot complete */); 8416 } 8417 8418 if (mFactoryTest && pkg.requestedPermissions.contains( 8419 android.Manifest.permission.FACTORY_TEST)) { 8420 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8421 } 8422 8423 if (isSystemApp(pkg)) { 8424 pkgSetting.isOrphaned = true; 8425 } 8426 8427 ArrayList<PackageParser.Package> clientLibPkgs = null; 8428 8429 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8430 if (nonMutatedPs != null) { 8431 synchronized (mPackages) { 8432 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8433 } 8434 } 8435 return pkg; 8436 } 8437 8438 // Only privileged apps and updated privileged apps can add child packages. 8439 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8440 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8441 throw new PackageManagerException("Only privileged apps and updated " 8442 + "privileged apps can add child packages. Ignoring package " 8443 + pkg.packageName); 8444 } 8445 final int childCount = pkg.childPackages.size(); 8446 for (int i = 0; i < childCount; i++) { 8447 PackageParser.Package childPkg = pkg.childPackages.get(i); 8448 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8449 childPkg.packageName)) { 8450 throw new PackageManagerException("Cannot override a child package of " 8451 + "another disabled system app. Ignoring package " + pkg.packageName); 8452 } 8453 } 8454 } 8455 8456 // writer 8457 synchronized (mPackages) { 8458 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8459 // Only system apps can add new shared libraries. 8460 if (pkg.libraryNames != null) { 8461 for (int i=0; i<pkg.libraryNames.size(); i++) { 8462 String name = pkg.libraryNames.get(i); 8463 boolean allowed = false; 8464 if (pkg.isUpdatedSystemApp()) { 8465 // New library entries can only be added through the 8466 // system image. This is important to get rid of a lot 8467 // of nasty edge cases: for example if we allowed a non- 8468 // system update of the app to add a library, then uninstalling 8469 // the update would make the library go away, and assumptions 8470 // we made such as through app install filtering would now 8471 // have allowed apps on the device which aren't compatible 8472 // with it. Better to just have the restriction here, be 8473 // conservative, and create many fewer cases that can negatively 8474 // impact the user experience. 8475 final PackageSetting sysPs = mSettings 8476 .getDisabledSystemPkgLPr(pkg.packageName); 8477 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8478 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8479 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8480 allowed = true; 8481 break; 8482 } 8483 } 8484 } 8485 } else { 8486 allowed = true; 8487 } 8488 if (allowed) { 8489 if (!mSharedLibraries.containsKey(name)) { 8490 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8491 } else if (!name.equals(pkg.packageName)) { 8492 Slog.w(TAG, "Package " + pkg.packageName + " library " 8493 + name + " already exists; skipping"); 8494 } 8495 } else { 8496 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8497 + name + " that is not declared on system image; skipping"); 8498 } 8499 } 8500 if ((scanFlags & SCAN_BOOTING) == 0) { 8501 // If we are not booting, we need to update any applications 8502 // that are clients of our shared library. If we are booting, 8503 // this will all be done once the scan is complete. 8504 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8505 } 8506 } 8507 } 8508 } 8509 8510 if ((scanFlags & SCAN_BOOTING) != 0) { 8511 // No apps can run during boot scan, so they don't need to be frozen 8512 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8513 // Caller asked to not kill app, so it's probably not frozen 8514 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8515 // Caller asked us to ignore frozen check for some reason; they 8516 // probably didn't know the package name 8517 } else { 8518 // We're doing major surgery on this package, so it better be frozen 8519 // right now to keep it from launching 8520 checkPackageFrozen(pkgName); 8521 } 8522 8523 // Also need to kill any apps that are dependent on the library. 8524 if (clientLibPkgs != null) { 8525 for (int i=0; i<clientLibPkgs.size(); i++) { 8526 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8527 killApplication(clientPkg.applicationInfo.packageName, 8528 clientPkg.applicationInfo.uid, "update lib"); 8529 } 8530 } 8531 8532 // Make sure we're not adding any bogus keyset info 8533 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8534 ksms.assertScannedPackageValid(pkg); 8535 8536 // writer 8537 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8538 8539 boolean createIdmapFailed = false; 8540 synchronized (mPackages) { 8541 // We don't expect installation to fail beyond this point 8542 8543 if (pkgSetting.pkg != null) { 8544 // Note that |user| might be null during the initial boot scan. If a codePath 8545 // for an app has changed during a boot scan, it's due to an app update that's 8546 // part of the system partition and marker changes must be applied to all users. 8547 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8548 (user != null) ? user : UserHandle.ALL); 8549 } 8550 8551 // Add the new setting to mSettings 8552 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8553 // Add the new setting to mPackages 8554 mPackages.put(pkg.applicationInfo.packageName, pkg); 8555 // Make sure we don't accidentally delete its data. 8556 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8557 while (iter.hasNext()) { 8558 PackageCleanItem item = iter.next(); 8559 if (pkgName.equals(item.packageName)) { 8560 iter.remove(); 8561 } 8562 } 8563 8564 // Take care of first install / last update times. 8565 if (currentTime != 0) { 8566 if (pkgSetting.firstInstallTime == 0) { 8567 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8568 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8569 pkgSetting.lastUpdateTime = currentTime; 8570 } 8571 } else if (pkgSetting.firstInstallTime == 0) { 8572 // We need *something*. Take time time stamp of the file. 8573 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8574 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8575 if (scanFileTime != pkgSetting.timeStamp) { 8576 // A package on the system image has changed; consider this 8577 // to be an update. 8578 pkgSetting.lastUpdateTime = scanFileTime; 8579 } 8580 } 8581 8582 // Add the package's KeySets to the global KeySetManagerService 8583 ksms.addScannedPackageLPw(pkg); 8584 8585 int N = pkg.providers.size(); 8586 StringBuilder r = null; 8587 int i; 8588 for (i=0; i<N; i++) { 8589 PackageParser.Provider p = pkg.providers.get(i); 8590 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8591 p.info.processName, pkg.applicationInfo.uid); 8592 mProviders.addProvider(p); 8593 p.syncable = p.info.isSyncable; 8594 if (p.info.authority != null) { 8595 String names[] = p.info.authority.split(";"); 8596 p.info.authority = null; 8597 for (int j = 0; j < names.length; j++) { 8598 if (j == 1 && p.syncable) { 8599 // We only want the first authority for a provider to possibly be 8600 // syncable, so if we already added this provider using a different 8601 // authority clear the syncable flag. We copy the provider before 8602 // changing it because the mProviders object contains a reference 8603 // to a provider that we don't want to change. 8604 // Only do this for the second authority since the resulting provider 8605 // object can be the same for all future authorities for this provider. 8606 p = new PackageParser.Provider(p); 8607 p.syncable = false; 8608 } 8609 if (!mProvidersByAuthority.containsKey(names[j])) { 8610 mProvidersByAuthority.put(names[j], p); 8611 if (p.info.authority == null) { 8612 p.info.authority = names[j]; 8613 } else { 8614 p.info.authority = p.info.authority + ";" + names[j]; 8615 } 8616 if (DEBUG_PACKAGE_SCANNING) { 8617 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8618 Log.d(TAG, "Registered content provider: " + names[j] 8619 + ", className = " + p.info.name + ", isSyncable = " 8620 + p.info.isSyncable); 8621 } 8622 } else { 8623 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8624 Slog.w(TAG, "Skipping provider name " + names[j] + 8625 " (in package " + pkg.applicationInfo.packageName + 8626 "): name already used by " 8627 + ((other != null && other.getComponentName() != null) 8628 ? other.getComponentName().getPackageName() : "?")); 8629 } 8630 } 8631 } 8632 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8633 if (r == null) { 8634 r = new StringBuilder(256); 8635 } else { 8636 r.append(' '); 8637 } 8638 r.append(p.info.name); 8639 } 8640 } 8641 if (r != null) { 8642 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8643 } 8644 8645 N = pkg.services.size(); 8646 r = null; 8647 for (i=0; i<N; i++) { 8648 PackageParser.Service s = pkg.services.get(i); 8649 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8650 s.info.processName, pkg.applicationInfo.uid); 8651 mServices.addService(s); 8652 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8653 if (r == null) { 8654 r = new StringBuilder(256); 8655 } else { 8656 r.append(' '); 8657 } 8658 r.append(s.info.name); 8659 } 8660 } 8661 if (r != null) { 8662 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8663 } 8664 8665 N = pkg.receivers.size(); 8666 r = null; 8667 for (i=0; i<N; i++) { 8668 PackageParser.Activity a = pkg.receivers.get(i); 8669 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8670 a.info.processName, pkg.applicationInfo.uid); 8671 mReceivers.addActivity(a, "receiver"); 8672 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8673 if (r == null) { 8674 r = new StringBuilder(256); 8675 } else { 8676 r.append(' '); 8677 } 8678 r.append(a.info.name); 8679 } 8680 } 8681 if (r != null) { 8682 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8683 } 8684 8685 N = pkg.activities.size(); 8686 r = null; 8687 for (i=0; i<N; i++) { 8688 PackageParser.Activity a = pkg.activities.get(i); 8689 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8690 a.info.processName, pkg.applicationInfo.uid); 8691 mActivities.addActivity(a, "activity"); 8692 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8693 if (r == null) { 8694 r = new StringBuilder(256); 8695 } else { 8696 r.append(' '); 8697 } 8698 r.append(a.info.name); 8699 } 8700 } 8701 if (r != null) { 8702 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8703 } 8704 8705 N = pkg.permissionGroups.size(); 8706 r = null; 8707 for (i=0; i<N; i++) { 8708 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8709 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8710 final String curPackageName = cur == null ? null : cur.info.packageName; 8711 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 8712 if (cur == null || isPackageUpdate) { 8713 mPermissionGroups.put(pg.info.name, pg); 8714 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8715 if (r == null) { 8716 r = new StringBuilder(256); 8717 } else { 8718 r.append(' '); 8719 } 8720 if (isPackageUpdate) { 8721 r.append("UPD:"); 8722 } 8723 r.append(pg.info.name); 8724 } 8725 } else { 8726 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8727 + pg.info.packageName + " ignored: original from " 8728 + cur.info.packageName); 8729 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8730 if (r == null) { 8731 r = new StringBuilder(256); 8732 } else { 8733 r.append(' '); 8734 } 8735 r.append("DUP:"); 8736 r.append(pg.info.name); 8737 } 8738 } 8739 } 8740 if (r != null) { 8741 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8742 } 8743 8744 N = pkg.permissions.size(); 8745 r = null; 8746 for (i=0; i<N; i++) { 8747 PackageParser.Permission p = pkg.permissions.get(i); 8748 8749 // Assume by default that we did not install this permission into the system. 8750 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8751 8752 // Now that permission groups have a special meaning, we ignore permission 8753 // groups for legacy apps to prevent unexpected behavior. In particular, 8754 // permissions for one app being granted to someone just becase they happen 8755 // to be in a group defined by another app (before this had no implications). 8756 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8757 p.group = mPermissionGroups.get(p.info.group); 8758 // Warn for a permission in an unknown group. 8759 if (p.info.group != null && p.group == null) { 8760 Slog.w(TAG, "Permission " + p.info.name + " from package " 8761 + p.info.packageName + " in an unknown group " + p.info.group); 8762 } 8763 } 8764 8765 ArrayMap<String, BasePermission> permissionMap = 8766 p.tree ? mSettings.mPermissionTrees 8767 : mSettings.mPermissions; 8768 BasePermission bp = permissionMap.get(p.info.name); 8769 8770 // Allow system apps to redefine non-system permissions 8771 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8772 final boolean currentOwnerIsSystem = (bp.perm != null 8773 && isSystemApp(bp.perm.owner)); 8774 if (isSystemApp(p.owner)) { 8775 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8776 // It's a built-in permission and no owner, take ownership now 8777 bp.packageSetting = pkgSetting; 8778 bp.perm = p; 8779 bp.uid = pkg.applicationInfo.uid; 8780 bp.sourcePackage = p.info.packageName; 8781 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8782 } else if (!currentOwnerIsSystem) { 8783 String msg = "New decl " + p.owner + " of permission " 8784 + p.info.name + " is system; overriding " + bp.sourcePackage; 8785 reportSettingsProblem(Log.WARN, msg); 8786 bp = null; 8787 } 8788 } 8789 } 8790 8791 if (bp == null) { 8792 bp = new BasePermission(p.info.name, p.info.packageName, 8793 BasePermission.TYPE_NORMAL); 8794 permissionMap.put(p.info.name, bp); 8795 } 8796 8797 if (bp.perm == null) { 8798 if (bp.sourcePackage == null 8799 || bp.sourcePackage.equals(p.info.packageName)) { 8800 BasePermission tree = findPermissionTreeLP(p.info.name); 8801 if (tree == null 8802 || tree.sourcePackage.equals(p.info.packageName)) { 8803 bp.packageSetting = pkgSetting; 8804 bp.perm = p; 8805 bp.uid = pkg.applicationInfo.uid; 8806 bp.sourcePackage = p.info.packageName; 8807 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8808 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8809 if (r == null) { 8810 r = new StringBuilder(256); 8811 } else { 8812 r.append(' '); 8813 } 8814 r.append(p.info.name); 8815 } 8816 } else { 8817 Slog.w(TAG, "Permission " + p.info.name + " from package " 8818 + p.info.packageName + " ignored: base tree " 8819 + tree.name + " is from package " 8820 + tree.sourcePackage); 8821 } 8822 } else { 8823 Slog.w(TAG, "Permission " + p.info.name + " from package " 8824 + p.info.packageName + " ignored: original from " 8825 + bp.sourcePackage); 8826 } 8827 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8828 if (r == null) { 8829 r = new StringBuilder(256); 8830 } else { 8831 r.append(' '); 8832 } 8833 r.append("DUP:"); 8834 r.append(p.info.name); 8835 } 8836 if (bp.perm == p) { 8837 bp.protectionLevel = p.info.protectionLevel; 8838 } 8839 } 8840 8841 if (r != null) { 8842 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8843 } 8844 8845 N = pkg.instrumentation.size(); 8846 r = null; 8847 for (i=0; i<N; i++) { 8848 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8849 a.info.packageName = pkg.applicationInfo.packageName; 8850 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8851 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8852 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8853 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8854 a.info.dataDir = pkg.applicationInfo.dataDir; 8855 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8856 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8857 8858 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8859 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8860 mInstrumentation.put(a.getComponentName(), a); 8861 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8862 if (r == null) { 8863 r = new StringBuilder(256); 8864 } else { 8865 r.append(' '); 8866 } 8867 r.append(a.info.name); 8868 } 8869 } 8870 if (r != null) { 8871 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8872 } 8873 8874 if (pkg.protectedBroadcasts != null) { 8875 N = pkg.protectedBroadcasts.size(); 8876 for (i=0; i<N; i++) { 8877 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8878 } 8879 } 8880 8881 pkgSetting.setTimeStamp(scanFileTime); 8882 8883 // Create idmap files for pairs of (packages, overlay packages). 8884 // Note: "android", ie framework-res.apk, is handled by native layers. 8885 if (pkg.mOverlayTarget != null) { 8886 // This is an overlay package. 8887 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8888 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8889 mOverlays.put(pkg.mOverlayTarget, 8890 new ArrayMap<String, PackageParser.Package>()); 8891 } 8892 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8893 map.put(pkg.packageName, pkg); 8894 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8895 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8896 createIdmapFailed = true; 8897 } 8898 } 8899 } else if (mOverlays.containsKey(pkg.packageName) && 8900 !pkg.packageName.equals("android")) { 8901 // This is a regular package, with one or more known overlay packages. 8902 createIdmapsForPackageLI(pkg); 8903 } 8904 } 8905 8906 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8907 8908 if (createIdmapFailed) { 8909 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8910 "scanPackageLI failed to createIdmap"); 8911 } 8912 return pkg; 8913 } 8914 8915 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 8916 PackageParser.Package update, UserHandle user) { 8917 if (existing.applicationInfo == null || update.applicationInfo == null) { 8918 // This isn't due to an app installation. 8919 return; 8920 } 8921 8922 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 8923 final File newCodePath = new File(update.applicationInfo.getCodePath()); 8924 8925 // The codePath hasn't changed, so there's nothing for us to do. 8926 if (Objects.equals(oldCodePath, newCodePath)) { 8927 return; 8928 } 8929 8930 File canonicalNewCodePath; 8931 try { 8932 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 8933 } catch (IOException e) { 8934 Slog.w(TAG, "Failed to get canonical path.", e); 8935 return; 8936 } 8937 8938 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 8939 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 8940 // that the last component of the path (i.e, the name) doesn't need canonicalization 8941 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 8942 // but may change in the future. Hopefully this function won't exist at that point. 8943 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 8944 oldCodePath.getName()); 8945 8946 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 8947 // with "@". 8948 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 8949 if (!oldMarkerPrefix.endsWith("@")) { 8950 oldMarkerPrefix += "@"; 8951 } 8952 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 8953 if (!newMarkerPrefix.endsWith("@")) { 8954 newMarkerPrefix += "@"; 8955 } 8956 8957 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 8958 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 8959 for (String updatedPath : updatedPaths) { 8960 String updatedPathName = new File(updatedPath).getName(); 8961 markerSuffixes.add(updatedPathName.replace('/', '@')); 8962 } 8963 8964 for (int userId : resolveUserIds(user.getIdentifier())) { 8965 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 8966 8967 for (String markerSuffix : markerSuffixes) { 8968 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 8969 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 8970 if (oldForeignUseMark.exists()) { 8971 try { 8972 Os.rename(oldForeignUseMark.getAbsolutePath(), 8973 newForeignUseMark.getAbsolutePath()); 8974 } catch (ErrnoException e) { 8975 Slog.w(TAG, "Failed to rename foreign use marker", e); 8976 oldForeignUseMark.delete(); 8977 } 8978 } 8979 } 8980 } 8981 } 8982 8983 /** 8984 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8985 * is derived purely on the basis of the contents of {@code scanFile} and 8986 * {@code cpuAbiOverride}. 8987 * 8988 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8989 */ 8990 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8991 String cpuAbiOverride, boolean extractLibs) 8992 throws PackageManagerException { 8993 // TODO: We can probably be smarter about this stuff. For installed apps, 8994 // we can calculate this information at install time once and for all. For 8995 // system apps, we can probably assume that this information doesn't change 8996 // after the first boot scan. As things stand, we do lots of unnecessary work. 8997 8998 // Give ourselves some initial paths; we'll come back for another 8999 // pass once we've determined ABI below. 9000 setNativeLibraryPaths(pkg); 9001 9002 // We would never need to extract libs for forward-locked and external packages, 9003 // since the container service will do it for us. We shouldn't attempt to 9004 // extract libs from system app when it was not updated. 9005 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9006 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9007 extractLibs = false; 9008 } 9009 9010 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9011 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9012 9013 NativeLibraryHelper.Handle handle = null; 9014 try { 9015 handle = NativeLibraryHelper.Handle.create(pkg); 9016 // TODO(multiArch): This can be null for apps that didn't go through the 9017 // usual installation process. We can calculate it again, like we 9018 // do during install time. 9019 // 9020 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9021 // unnecessary. 9022 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9023 9024 // Null out the abis so that they can be recalculated. 9025 pkg.applicationInfo.primaryCpuAbi = null; 9026 pkg.applicationInfo.secondaryCpuAbi = null; 9027 if (isMultiArch(pkg.applicationInfo)) { 9028 // Warn if we've set an abiOverride for multi-lib packages.. 9029 // By definition, we need to copy both 32 and 64 bit libraries for 9030 // such packages. 9031 if (pkg.cpuAbiOverride != null 9032 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9033 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9034 } 9035 9036 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9037 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9038 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9039 if (extractLibs) { 9040 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9041 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9042 useIsaSpecificSubdirs); 9043 } else { 9044 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9045 } 9046 } 9047 9048 maybeThrowExceptionForMultiArchCopy( 9049 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9050 9051 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9052 if (extractLibs) { 9053 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9054 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9055 useIsaSpecificSubdirs); 9056 } else { 9057 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9058 } 9059 } 9060 9061 maybeThrowExceptionForMultiArchCopy( 9062 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9063 9064 if (abi64 >= 0) { 9065 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9066 } 9067 9068 if (abi32 >= 0) { 9069 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9070 if (abi64 >= 0) { 9071 if (pkg.use32bitAbi) { 9072 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9073 pkg.applicationInfo.primaryCpuAbi = abi; 9074 } else { 9075 pkg.applicationInfo.secondaryCpuAbi = abi; 9076 } 9077 } else { 9078 pkg.applicationInfo.primaryCpuAbi = abi; 9079 } 9080 } 9081 9082 } else { 9083 String[] abiList = (cpuAbiOverride != null) ? 9084 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9085 9086 // Enable gross and lame hacks for apps that are built with old 9087 // SDK tools. We must scan their APKs for renderscript bitcode and 9088 // not launch them if it's present. Don't bother checking on devices 9089 // that don't have 64 bit support. 9090 boolean needsRenderScriptOverride = false; 9091 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9092 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9093 abiList = Build.SUPPORTED_32_BIT_ABIS; 9094 needsRenderScriptOverride = true; 9095 } 9096 9097 final int copyRet; 9098 if (extractLibs) { 9099 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9100 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9101 } else { 9102 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9103 } 9104 9105 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9106 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9107 "Error unpackaging native libs for app, errorCode=" + copyRet); 9108 } 9109 9110 if (copyRet >= 0) { 9111 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9112 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9113 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9114 } else if (needsRenderScriptOverride) { 9115 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9116 } 9117 } 9118 } catch (IOException ioe) { 9119 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9120 } finally { 9121 IoUtils.closeQuietly(handle); 9122 } 9123 9124 // Now that we've calculated the ABIs and determined if it's an internal app, 9125 // we will go ahead and populate the nativeLibraryPath. 9126 setNativeLibraryPaths(pkg); 9127 } 9128 9129 /** 9130 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9131 * i.e, so that all packages can be run inside a single process if required. 9132 * 9133 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9134 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9135 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9136 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9137 * updating a package that belongs to a shared user. 9138 * 9139 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9140 * adds unnecessary complexity. 9141 */ 9142 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9143 PackageParser.Package scannedPackage, boolean bootComplete) { 9144 String requiredInstructionSet = null; 9145 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9146 requiredInstructionSet = VMRuntime.getInstructionSet( 9147 scannedPackage.applicationInfo.primaryCpuAbi); 9148 } 9149 9150 PackageSetting requirer = null; 9151 for (PackageSetting ps : packagesForUser) { 9152 // If packagesForUser contains scannedPackage, we skip it. This will happen 9153 // when scannedPackage is an update of an existing package. Without this check, 9154 // we will never be able to change the ABI of any package belonging to a shared 9155 // user, even if it's compatible with other packages. 9156 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9157 if (ps.primaryCpuAbiString == null) { 9158 continue; 9159 } 9160 9161 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9162 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9163 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9164 // this but there's not much we can do. 9165 String errorMessage = "Instruction set mismatch, " 9166 + ((requirer == null) ? "[caller]" : requirer) 9167 + " requires " + requiredInstructionSet + " whereas " + ps 9168 + " requires " + instructionSet; 9169 Slog.w(TAG, errorMessage); 9170 } 9171 9172 if (requiredInstructionSet == null) { 9173 requiredInstructionSet = instructionSet; 9174 requirer = ps; 9175 } 9176 } 9177 } 9178 9179 if (requiredInstructionSet != null) { 9180 String adjustedAbi; 9181 if (requirer != null) { 9182 // requirer != null implies that either scannedPackage was null or that scannedPackage 9183 // did not require an ABI, in which case we have to adjust scannedPackage to match 9184 // the ABI of the set (which is the same as requirer's ABI) 9185 adjustedAbi = requirer.primaryCpuAbiString; 9186 if (scannedPackage != null) { 9187 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9188 } 9189 } else { 9190 // requirer == null implies that we're updating all ABIs in the set to 9191 // match scannedPackage. 9192 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9193 } 9194 9195 for (PackageSetting ps : packagesForUser) { 9196 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9197 if (ps.primaryCpuAbiString != null) { 9198 continue; 9199 } 9200 9201 ps.primaryCpuAbiString = adjustedAbi; 9202 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9203 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9204 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9205 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9206 + " (requirer=" 9207 + (requirer == null ? "null" : requirer.pkg.packageName) 9208 + ", scannedPackage=" 9209 + (scannedPackage != null ? scannedPackage.packageName : "null") 9210 + ")"); 9211 try { 9212 mInstaller.rmdex(ps.codePathString, 9213 getDexCodeInstructionSet(getPreferredInstructionSet())); 9214 } catch (InstallerException ignored) { 9215 } 9216 } 9217 } 9218 } 9219 } 9220 } 9221 9222 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9223 synchronized (mPackages) { 9224 mResolverReplaced = true; 9225 // Set up information for custom user intent resolution activity. 9226 mResolveActivity.applicationInfo = pkg.applicationInfo; 9227 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9228 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9229 mResolveActivity.processName = pkg.applicationInfo.packageName; 9230 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9231 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9232 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9233 mResolveActivity.theme = 0; 9234 mResolveActivity.exported = true; 9235 mResolveActivity.enabled = true; 9236 mResolveInfo.activityInfo = mResolveActivity; 9237 mResolveInfo.priority = 0; 9238 mResolveInfo.preferredOrder = 0; 9239 mResolveInfo.match = 0; 9240 mResolveComponentName = mCustomResolverComponentName; 9241 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9242 mResolveComponentName); 9243 } 9244 } 9245 9246 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9247 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9248 9249 // Set up information for ephemeral installer activity 9250 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9251 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9252 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9253 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9254 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9255 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 9256 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9257 mEphemeralInstallerActivity.theme = 0; 9258 mEphemeralInstallerActivity.exported = true; 9259 mEphemeralInstallerActivity.enabled = true; 9260 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9261 mEphemeralInstallerInfo.priority = 0; 9262 mEphemeralInstallerInfo.preferredOrder = 1; 9263 mEphemeralInstallerInfo.isDefault = true; 9264 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 9265 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 9266 9267 if (DEBUG_EPHEMERAL) { 9268 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9269 } 9270 } 9271 9272 private static String calculateBundledApkRoot(final String codePathString) { 9273 final File codePath = new File(codePathString); 9274 final File codeRoot; 9275 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9276 codeRoot = Environment.getRootDirectory(); 9277 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9278 codeRoot = Environment.getOemDirectory(); 9279 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9280 codeRoot = Environment.getVendorDirectory(); 9281 } else { 9282 // Unrecognized code path; take its top real segment as the apk root: 9283 // e.g. /something/app/blah.apk => /something 9284 try { 9285 File f = codePath.getCanonicalFile(); 9286 File parent = f.getParentFile(); // non-null because codePath is a file 9287 File tmp; 9288 while ((tmp = parent.getParentFile()) != null) { 9289 f = parent; 9290 parent = tmp; 9291 } 9292 codeRoot = f; 9293 Slog.w(TAG, "Unrecognized code path " 9294 + codePath + " - using " + codeRoot); 9295 } catch (IOException e) { 9296 // Can't canonicalize the code path -- shenanigans? 9297 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9298 return Environment.getRootDirectory().getPath(); 9299 } 9300 } 9301 return codeRoot.getPath(); 9302 } 9303 9304 /** 9305 * Derive and set the location of native libraries for the given package, 9306 * which varies depending on where and how the package was installed. 9307 */ 9308 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9309 final ApplicationInfo info = pkg.applicationInfo; 9310 final String codePath = pkg.codePath; 9311 final File codeFile = new File(codePath); 9312 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9313 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9314 9315 info.nativeLibraryRootDir = null; 9316 info.nativeLibraryRootRequiresIsa = false; 9317 info.nativeLibraryDir = null; 9318 info.secondaryNativeLibraryDir = null; 9319 9320 if (isApkFile(codeFile)) { 9321 // Monolithic install 9322 if (bundledApp) { 9323 // If "/system/lib64/apkname" exists, assume that is the per-package 9324 // native library directory to use; otherwise use "/system/lib/apkname". 9325 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9326 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9327 getPrimaryInstructionSet(info)); 9328 9329 // This is a bundled system app so choose the path based on the ABI. 9330 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9331 // is just the default path. 9332 final String apkName = deriveCodePathName(codePath); 9333 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9334 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9335 apkName).getAbsolutePath(); 9336 9337 if (info.secondaryCpuAbi != null) { 9338 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9339 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9340 secondaryLibDir, apkName).getAbsolutePath(); 9341 } 9342 } else if (asecApp) { 9343 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9344 .getAbsolutePath(); 9345 } else { 9346 final String apkName = deriveCodePathName(codePath); 9347 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9348 .getAbsolutePath(); 9349 } 9350 9351 info.nativeLibraryRootRequiresIsa = false; 9352 info.nativeLibraryDir = info.nativeLibraryRootDir; 9353 } else { 9354 // Cluster install 9355 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9356 info.nativeLibraryRootRequiresIsa = true; 9357 9358 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9359 getPrimaryInstructionSet(info)).getAbsolutePath(); 9360 9361 if (info.secondaryCpuAbi != null) { 9362 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9363 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9364 } 9365 } 9366 } 9367 9368 /** 9369 * Calculate the abis and roots for a bundled app. These can uniquely 9370 * be determined from the contents of the system partition, i.e whether 9371 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9372 * of this information, and instead assume that the system was built 9373 * sensibly. 9374 */ 9375 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9376 PackageSetting pkgSetting) { 9377 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9378 9379 // If "/system/lib64/apkname" exists, assume that is the per-package 9380 // native library directory to use; otherwise use "/system/lib/apkname". 9381 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9382 setBundledAppAbi(pkg, apkRoot, apkName); 9383 // pkgSetting might be null during rescan following uninstall of updates 9384 // to a bundled app, so accommodate that possibility. The settings in 9385 // that case will be established later from the parsed package. 9386 // 9387 // If the settings aren't null, sync them up with what we've just derived. 9388 // note that apkRoot isn't stored in the package settings. 9389 if (pkgSetting != null) { 9390 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9391 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9392 } 9393 } 9394 9395 /** 9396 * Deduces the ABI of a bundled app and sets the relevant fields on the 9397 * parsed pkg object. 9398 * 9399 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9400 * under which system libraries are installed. 9401 * @param apkName the name of the installed package. 9402 */ 9403 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9404 final File codeFile = new File(pkg.codePath); 9405 9406 final boolean has64BitLibs; 9407 final boolean has32BitLibs; 9408 if (isApkFile(codeFile)) { 9409 // Monolithic install 9410 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9411 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9412 } else { 9413 // Cluster install 9414 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9415 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9416 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9417 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9418 has64BitLibs = (new File(rootDir, isa)).exists(); 9419 } else { 9420 has64BitLibs = false; 9421 } 9422 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9423 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9424 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9425 has32BitLibs = (new File(rootDir, isa)).exists(); 9426 } else { 9427 has32BitLibs = false; 9428 } 9429 } 9430 9431 if (has64BitLibs && !has32BitLibs) { 9432 // The package has 64 bit libs, but not 32 bit libs. Its primary 9433 // ABI should be 64 bit. We can safely assume here that the bundled 9434 // native libraries correspond to the most preferred ABI in the list. 9435 9436 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9437 pkg.applicationInfo.secondaryCpuAbi = null; 9438 } else if (has32BitLibs && !has64BitLibs) { 9439 // The package has 32 bit libs but not 64 bit libs. Its primary 9440 // ABI should be 32 bit. 9441 9442 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9443 pkg.applicationInfo.secondaryCpuAbi = null; 9444 } else if (has32BitLibs && has64BitLibs) { 9445 // The application has both 64 and 32 bit bundled libraries. We check 9446 // here that the app declares multiArch support, and warn if it doesn't. 9447 // 9448 // We will be lenient here and record both ABIs. The primary will be the 9449 // ABI that's higher on the list, i.e, a device that's configured to prefer 9450 // 64 bit apps will see a 64 bit primary ABI, 9451 9452 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9453 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9454 } 9455 9456 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9457 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9458 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9459 } else { 9460 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9461 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9462 } 9463 } else { 9464 pkg.applicationInfo.primaryCpuAbi = null; 9465 pkg.applicationInfo.secondaryCpuAbi = null; 9466 } 9467 } 9468 9469 private void killApplication(String pkgName, int appId, String reason) { 9470 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9471 } 9472 9473 private void killApplication(String pkgName, int appId, int userId, String reason) { 9474 // Request the ActivityManager to kill the process(only for existing packages) 9475 // so that we do not end up in a confused state while the user is still using the older 9476 // version of the application while the new one gets installed. 9477 final long token = Binder.clearCallingIdentity(); 9478 try { 9479 IActivityManager am = ActivityManagerNative.getDefault(); 9480 if (am != null) { 9481 try { 9482 am.killApplication(pkgName, appId, userId, reason); 9483 } catch (RemoteException e) { 9484 } 9485 } 9486 } finally { 9487 Binder.restoreCallingIdentity(token); 9488 } 9489 } 9490 9491 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9492 // Remove the parent package setting 9493 PackageSetting ps = (PackageSetting) pkg.mExtras; 9494 if (ps != null) { 9495 removePackageLI(ps, chatty); 9496 } 9497 // Remove the child package setting 9498 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9499 for (int i = 0; i < childCount; i++) { 9500 PackageParser.Package childPkg = pkg.childPackages.get(i); 9501 ps = (PackageSetting) childPkg.mExtras; 9502 if (ps != null) { 9503 removePackageLI(ps, chatty); 9504 } 9505 } 9506 } 9507 9508 void removePackageLI(PackageSetting ps, boolean chatty) { 9509 if (DEBUG_INSTALL) { 9510 if (chatty) 9511 Log.d(TAG, "Removing package " + ps.name); 9512 } 9513 9514 // writer 9515 synchronized (mPackages) { 9516 mPackages.remove(ps.name); 9517 final PackageParser.Package pkg = ps.pkg; 9518 if (pkg != null) { 9519 cleanPackageDataStructuresLILPw(pkg, chatty); 9520 } 9521 } 9522 } 9523 9524 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9525 if (DEBUG_INSTALL) { 9526 if (chatty) 9527 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9528 } 9529 9530 // writer 9531 synchronized (mPackages) { 9532 // Remove the parent package 9533 mPackages.remove(pkg.applicationInfo.packageName); 9534 cleanPackageDataStructuresLILPw(pkg, chatty); 9535 9536 // Remove the child packages 9537 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9538 for (int i = 0; i < childCount; i++) { 9539 PackageParser.Package childPkg = pkg.childPackages.get(i); 9540 mPackages.remove(childPkg.applicationInfo.packageName); 9541 cleanPackageDataStructuresLILPw(childPkg, chatty); 9542 } 9543 } 9544 } 9545 9546 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9547 int N = pkg.providers.size(); 9548 StringBuilder r = null; 9549 int i; 9550 for (i=0; i<N; i++) { 9551 PackageParser.Provider p = pkg.providers.get(i); 9552 mProviders.removeProvider(p); 9553 if (p.info.authority == null) { 9554 9555 /* There was another ContentProvider with this authority when 9556 * this app was installed so this authority is null, 9557 * Ignore it as we don't have to unregister the provider. 9558 */ 9559 continue; 9560 } 9561 String names[] = p.info.authority.split(";"); 9562 for (int j = 0; j < names.length; j++) { 9563 if (mProvidersByAuthority.get(names[j]) == p) { 9564 mProvidersByAuthority.remove(names[j]); 9565 if (DEBUG_REMOVE) { 9566 if (chatty) 9567 Log.d(TAG, "Unregistered content provider: " + names[j] 9568 + ", className = " + p.info.name + ", isSyncable = " 9569 + p.info.isSyncable); 9570 } 9571 } 9572 } 9573 if (DEBUG_REMOVE && chatty) { 9574 if (r == null) { 9575 r = new StringBuilder(256); 9576 } else { 9577 r.append(' '); 9578 } 9579 r.append(p.info.name); 9580 } 9581 } 9582 if (r != null) { 9583 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9584 } 9585 9586 N = pkg.services.size(); 9587 r = null; 9588 for (i=0; i<N; i++) { 9589 PackageParser.Service s = pkg.services.get(i); 9590 mServices.removeService(s); 9591 if (chatty) { 9592 if (r == null) { 9593 r = new StringBuilder(256); 9594 } else { 9595 r.append(' '); 9596 } 9597 r.append(s.info.name); 9598 } 9599 } 9600 if (r != null) { 9601 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9602 } 9603 9604 N = pkg.receivers.size(); 9605 r = null; 9606 for (i=0; i<N; i++) { 9607 PackageParser.Activity a = pkg.receivers.get(i); 9608 mReceivers.removeActivity(a, "receiver"); 9609 if (DEBUG_REMOVE && chatty) { 9610 if (r == null) { 9611 r = new StringBuilder(256); 9612 } else { 9613 r.append(' '); 9614 } 9615 r.append(a.info.name); 9616 } 9617 } 9618 if (r != null) { 9619 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9620 } 9621 9622 N = pkg.activities.size(); 9623 r = null; 9624 for (i=0; i<N; i++) { 9625 PackageParser.Activity a = pkg.activities.get(i); 9626 mActivities.removeActivity(a, "activity"); 9627 if (DEBUG_REMOVE && chatty) { 9628 if (r == null) { 9629 r = new StringBuilder(256); 9630 } else { 9631 r.append(' '); 9632 } 9633 r.append(a.info.name); 9634 } 9635 } 9636 if (r != null) { 9637 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9638 } 9639 9640 N = pkg.permissions.size(); 9641 r = null; 9642 for (i=0; i<N; i++) { 9643 PackageParser.Permission p = pkg.permissions.get(i); 9644 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9645 if (bp == null) { 9646 bp = mSettings.mPermissionTrees.get(p.info.name); 9647 } 9648 if (bp != null && bp.perm == p) { 9649 bp.perm = null; 9650 if (DEBUG_REMOVE && chatty) { 9651 if (r == null) { 9652 r = new StringBuilder(256); 9653 } else { 9654 r.append(' '); 9655 } 9656 r.append(p.info.name); 9657 } 9658 } 9659 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9660 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9661 if (appOpPkgs != null) { 9662 appOpPkgs.remove(pkg.packageName); 9663 } 9664 } 9665 } 9666 if (r != null) { 9667 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9668 } 9669 9670 N = pkg.requestedPermissions.size(); 9671 r = null; 9672 for (i=0; i<N; i++) { 9673 String perm = pkg.requestedPermissions.get(i); 9674 BasePermission bp = mSettings.mPermissions.get(perm); 9675 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9676 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9677 if (appOpPkgs != null) { 9678 appOpPkgs.remove(pkg.packageName); 9679 if (appOpPkgs.isEmpty()) { 9680 mAppOpPermissionPackages.remove(perm); 9681 } 9682 } 9683 } 9684 } 9685 if (r != null) { 9686 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9687 } 9688 9689 N = pkg.instrumentation.size(); 9690 r = null; 9691 for (i=0; i<N; i++) { 9692 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9693 mInstrumentation.remove(a.getComponentName()); 9694 if (DEBUG_REMOVE && chatty) { 9695 if (r == null) { 9696 r = new StringBuilder(256); 9697 } else { 9698 r.append(' '); 9699 } 9700 r.append(a.info.name); 9701 } 9702 } 9703 if (r != null) { 9704 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9705 } 9706 9707 r = null; 9708 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9709 // Only system apps can hold shared libraries. 9710 if (pkg.libraryNames != null) { 9711 for (i=0; i<pkg.libraryNames.size(); i++) { 9712 String name = pkg.libraryNames.get(i); 9713 SharedLibraryEntry cur = mSharedLibraries.get(name); 9714 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9715 mSharedLibraries.remove(name); 9716 if (DEBUG_REMOVE && chatty) { 9717 if (r == null) { 9718 r = new StringBuilder(256); 9719 } else { 9720 r.append(' '); 9721 } 9722 r.append(name); 9723 } 9724 } 9725 } 9726 } 9727 } 9728 if (r != null) { 9729 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9730 } 9731 } 9732 9733 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9734 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9735 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9736 return true; 9737 } 9738 } 9739 return false; 9740 } 9741 9742 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9743 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9744 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9745 9746 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9747 // Update the parent permissions 9748 updatePermissionsLPw(pkg.packageName, pkg, flags); 9749 // Update the child permissions 9750 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9751 for (int i = 0; i < childCount; i++) { 9752 PackageParser.Package childPkg = pkg.childPackages.get(i); 9753 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9754 } 9755 } 9756 9757 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9758 int flags) { 9759 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9760 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9761 } 9762 9763 private void updatePermissionsLPw(String changingPkg, 9764 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9765 // Make sure there are no dangling permission trees. 9766 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9767 while (it.hasNext()) { 9768 final BasePermission bp = it.next(); 9769 if (bp.packageSetting == null) { 9770 // We may not yet have parsed the package, so just see if 9771 // we still know about its settings. 9772 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9773 } 9774 if (bp.packageSetting == null) { 9775 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9776 + " from package " + bp.sourcePackage); 9777 it.remove(); 9778 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9779 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9780 Slog.i(TAG, "Removing old permission tree: " + bp.name 9781 + " from package " + bp.sourcePackage); 9782 flags |= UPDATE_PERMISSIONS_ALL; 9783 it.remove(); 9784 } 9785 } 9786 } 9787 9788 // Make sure all dynamic permissions have been assigned to a package, 9789 // and make sure there are no dangling permissions. 9790 it = mSettings.mPermissions.values().iterator(); 9791 while (it.hasNext()) { 9792 final BasePermission bp = it.next(); 9793 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9794 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9795 + bp.name + " pkg=" + bp.sourcePackage 9796 + " info=" + bp.pendingInfo); 9797 if (bp.packageSetting == null && bp.pendingInfo != null) { 9798 final BasePermission tree = findPermissionTreeLP(bp.name); 9799 if (tree != null && tree.perm != null) { 9800 bp.packageSetting = tree.packageSetting; 9801 bp.perm = new PackageParser.Permission(tree.perm.owner, 9802 new PermissionInfo(bp.pendingInfo)); 9803 bp.perm.info.packageName = tree.perm.info.packageName; 9804 bp.perm.info.name = bp.name; 9805 bp.uid = tree.uid; 9806 } 9807 } 9808 } 9809 if (bp.packageSetting == null) { 9810 // We may not yet have parsed the package, so just see if 9811 // we still know about its settings. 9812 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9813 } 9814 if (bp.packageSetting == null) { 9815 Slog.w(TAG, "Removing dangling permission: " + bp.name 9816 + " from package " + bp.sourcePackage); 9817 it.remove(); 9818 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9819 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9820 Slog.i(TAG, "Removing old permission: " + bp.name 9821 + " from package " + bp.sourcePackage); 9822 flags |= UPDATE_PERMISSIONS_ALL; 9823 it.remove(); 9824 } 9825 } 9826 } 9827 9828 // Now update the permissions for all packages, in particular 9829 // replace the granted permissions of the system packages. 9830 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9831 for (PackageParser.Package pkg : mPackages.values()) { 9832 if (pkg != pkgInfo) { 9833 // Only replace for packages on requested volume 9834 final String volumeUuid = getVolumeUuidForPackage(pkg); 9835 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9836 && Objects.equals(replaceVolumeUuid, volumeUuid); 9837 grantPermissionsLPw(pkg, replace, changingPkg); 9838 } 9839 } 9840 } 9841 9842 if (pkgInfo != null) { 9843 // Only replace for packages on requested volume 9844 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9845 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9846 && Objects.equals(replaceVolumeUuid, volumeUuid); 9847 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9848 } 9849 } 9850 9851 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9852 String packageOfInterest) { 9853 // IMPORTANT: There are two types of permissions: install and runtime. 9854 // Install time permissions are granted when the app is installed to 9855 // all device users and users added in the future. Runtime permissions 9856 // are granted at runtime explicitly to specific users. Normal and signature 9857 // protected permissions are install time permissions. Dangerous permissions 9858 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9859 // otherwise they are runtime permissions. This function does not manage 9860 // runtime permissions except for the case an app targeting Lollipop MR1 9861 // being upgraded to target a newer SDK, in which case dangerous permissions 9862 // are transformed from install time to runtime ones. 9863 9864 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9865 if (ps == null) { 9866 return; 9867 } 9868 9869 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9870 9871 PermissionsState permissionsState = ps.getPermissionsState(); 9872 PermissionsState origPermissions = permissionsState; 9873 9874 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9875 9876 boolean runtimePermissionsRevoked = false; 9877 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9878 9879 boolean changedInstallPermission = false; 9880 9881 if (replace) { 9882 ps.installPermissionsFixed = false; 9883 if (!ps.isSharedUser()) { 9884 origPermissions = new PermissionsState(permissionsState); 9885 permissionsState.reset(); 9886 } else { 9887 // We need to know only about runtime permission changes since the 9888 // calling code always writes the install permissions state but 9889 // the runtime ones are written only if changed. The only cases of 9890 // changed runtime permissions here are promotion of an install to 9891 // runtime and revocation of a runtime from a shared user. 9892 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9893 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9894 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9895 runtimePermissionsRevoked = true; 9896 } 9897 } 9898 } 9899 9900 permissionsState.setGlobalGids(mGlobalGids); 9901 9902 final int N = pkg.requestedPermissions.size(); 9903 for (int i=0; i<N; i++) { 9904 final String name = pkg.requestedPermissions.get(i); 9905 final BasePermission bp = mSettings.mPermissions.get(name); 9906 9907 if (DEBUG_INSTALL) { 9908 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9909 } 9910 9911 if (bp == null || bp.packageSetting == null) { 9912 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9913 Slog.w(TAG, "Unknown permission " + name 9914 + " in package " + pkg.packageName); 9915 } 9916 continue; 9917 } 9918 9919 final String perm = bp.name; 9920 boolean allowedSig = false; 9921 int grant = GRANT_DENIED; 9922 9923 // Keep track of app op permissions. 9924 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9925 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9926 if (pkgs == null) { 9927 pkgs = new ArraySet<>(); 9928 mAppOpPermissionPackages.put(bp.name, pkgs); 9929 } 9930 pkgs.add(pkg.packageName); 9931 } 9932 9933 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9934 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9935 >= Build.VERSION_CODES.M; 9936 switch (level) { 9937 case PermissionInfo.PROTECTION_NORMAL: { 9938 // For all apps normal permissions are install time ones. 9939 grant = GRANT_INSTALL; 9940 } break; 9941 9942 case PermissionInfo.PROTECTION_DANGEROUS: { 9943 // If a permission review is required for legacy apps we represent 9944 // their permissions as always granted runtime ones since we need 9945 // to keep the review required permission flag per user while an 9946 // install permission's state is shared across all users. 9947 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9948 // For legacy apps dangerous permissions are install time ones. 9949 grant = GRANT_INSTALL; 9950 } else if (origPermissions.hasInstallPermission(bp.name)) { 9951 // For legacy apps that became modern, install becomes runtime. 9952 grant = GRANT_UPGRADE; 9953 } else if (mPromoteSystemApps 9954 && isSystemApp(ps) 9955 && mExistingSystemPackages.contains(ps.name)) { 9956 // For legacy system apps, install becomes runtime. 9957 // We cannot check hasInstallPermission() for system apps since those 9958 // permissions were granted implicitly and not persisted pre-M. 9959 grant = GRANT_UPGRADE; 9960 } else { 9961 // For modern apps keep runtime permissions unchanged. 9962 grant = GRANT_RUNTIME; 9963 } 9964 } break; 9965 9966 case PermissionInfo.PROTECTION_SIGNATURE: { 9967 // For all apps signature permissions are install time ones. 9968 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9969 if (allowedSig) { 9970 grant = GRANT_INSTALL; 9971 } 9972 } break; 9973 } 9974 9975 if (DEBUG_INSTALL) { 9976 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9977 } 9978 9979 if (grant != GRANT_DENIED) { 9980 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9981 // If this is an existing, non-system package, then 9982 // we can't add any new permissions to it. 9983 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9984 // Except... if this is a permission that was added 9985 // to the platform (note: need to only do this when 9986 // updating the platform). 9987 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9988 grant = GRANT_DENIED; 9989 } 9990 } 9991 } 9992 9993 switch (grant) { 9994 case GRANT_INSTALL: { 9995 // Revoke this as runtime permission to handle the case of 9996 // a runtime permission being downgraded to an install one. 9997 // Also in permission review mode we keep dangerous permissions 9998 // for legacy apps 9999 for (int userId : UserManagerService.getInstance().getUserIds()) { 10000 if (origPermissions.getRuntimePermissionState( 10001 bp.name, userId) != null) { 10002 // Revoke the runtime permission and clear the flags. 10003 origPermissions.revokeRuntimePermission(bp, userId); 10004 origPermissions.updatePermissionFlags(bp, userId, 10005 PackageManager.MASK_PERMISSION_FLAGS, 0); 10006 // If we revoked a permission permission, we have to write. 10007 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10008 changedRuntimePermissionUserIds, userId); 10009 } 10010 } 10011 // Grant an install permission. 10012 if (permissionsState.grantInstallPermission(bp) != 10013 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10014 changedInstallPermission = true; 10015 } 10016 } break; 10017 10018 case GRANT_RUNTIME: { 10019 // Grant previously granted runtime permissions. 10020 for (int userId : UserManagerService.getInstance().getUserIds()) { 10021 PermissionState permissionState = origPermissions 10022 .getRuntimePermissionState(bp.name, userId); 10023 int flags = permissionState != null 10024 ? permissionState.getFlags() : 0; 10025 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10026 if (permissionsState.grantRuntimePermission(bp, userId) == 10027 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10028 // If we cannot put the permission as it was, we have to write. 10029 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10030 changedRuntimePermissionUserIds, userId); 10031 } 10032 // If the app supports runtime permissions no need for a review. 10033 if (Build.PERMISSIONS_REVIEW_REQUIRED 10034 && appSupportsRuntimePermissions 10035 && (flags & PackageManager 10036 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10037 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10038 // Since we changed the flags, we have to write. 10039 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10040 changedRuntimePermissionUserIds, userId); 10041 } 10042 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 10043 && !appSupportsRuntimePermissions) { 10044 // For legacy apps that need a permission review, every new 10045 // runtime permission is granted but it is pending a review. 10046 // We also need to review only platform defined runtime 10047 // permissions as these are the only ones the platform knows 10048 // how to disable the API to simulate revocation as legacy 10049 // apps don't expect to run with revoked permissions. 10050 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10051 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10052 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10053 // We changed the flags, hence have to write. 10054 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10055 changedRuntimePermissionUserIds, userId); 10056 } 10057 } 10058 if (permissionsState.grantRuntimePermission(bp, userId) 10059 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10060 // We changed the permission, hence have to write. 10061 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10062 changedRuntimePermissionUserIds, userId); 10063 } 10064 } 10065 // Propagate the permission flags. 10066 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10067 } 10068 } break; 10069 10070 case GRANT_UPGRADE: { 10071 // Grant runtime permissions for a previously held install permission. 10072 PermissionState permissionState = origPermissions 10073 .getInstallPermissionState(bp.name); 10074 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10075 10076 if (origPermissions.revokeInstallPermission(bp) 10077 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10078 // We will be transferring the permission flags, so clear them. 10079 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10080 PackageManager.MASK_PERMISSION_FLAGS, 0); 10081 changedInstallPermission = true; 10082 } 10083 10084 // If the permission is not to be promoted to runtime we ignore it and 10085 // also its other flags as they are not applicable to install permissions. 10086 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10087 for (int userId : currentUserIds) { 10088 if (permissionsState.grantRuntimePermission(bp, userId) != 10089 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10090 // Transfer the permission flags. 10091 permissionsState.updatePermissionFlags(bp, userId, 10092 flags, flags); 10093 // If we granted the permission, we have to write. 10094 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10095 changedRuntimePermissionUserIds, userId); 10096 } 10097 } 10098 } 10099 } break; 10100 10101 default: { 10102 if (packageOfInterest == null 10103 || packageOfInterest.equals(pkg.packageName)) { 10104 Slog.w(TAG, "Not granting permission " + perm 10105 + " to package " + pkg.packageName 10106 + " because it was previously installed without"); 10107 } 10108 } break; 10109 } 10110 } else { 10111 if (permissionsState.revokeInstallPermission(bp) != 10112 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10113 // Also drop the permission flags. 10114 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10115 PackageManager.MASK_PERMISSION_FLAGS, 0); 10116 changedInstallPermission = true; 10117 Slog.i(TAG, "Un-granting permission " + perm 10118 + " from package " + pkg.packageName 10119 + " (protectionLevel=" + bp.protectionLevel 10120 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10121 + ")"); 10122 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10123 // Don't print warning for app op permissions, since it is fine for them 10124 // not to be granted, there is a UI for the user to decide. 10125 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10126 Slog.w(TAG, "Not granting permission " + perm 10127 + " to package " + pkg.packageName 10128 + " (protectionLevel=" + bp.protectionLevel 10129 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10130 + ")"); 10131 } 10132 } 10133 } 10134 } 10135 10136 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10137 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10138 // This is the first that we have heard about this package, so the 10139 // permissions we have now selected are fixed until explicitly 10140 // changed. 10141 ps.installPermissionsFixed = true; 10142 } 10143 10144 // Persist the runtime permissions state for users with changes. If permissions 10145 // were revoked because no app in the shared user declares them we have to 10146 // write synchronously to avoid losing runtime permissions state. 10147 for (int userId : changedRuntimePermissionUserIds) { 10148 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10149 } 10150 10151 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10152 } 10153 10154 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10155 boolean allowed = false; 10156 final int NP = PackageParser.NEW_PERMISSIONS.length; 10157 for (int ip=0; ip<NP; ip++) { 10158 final PackageParser.NewPermissionInfo npi 10159 = PackageParser.NEW_PERMISSIONS[ip]; 10160 if (npi.name.equals(perm) 10161 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10162 allowed = true; 10163 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10164 + pkg.packageName); 10165 break; 10166 } 10167 } 10168 return allowed; 10169 } 10170 10171 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10172 BasePermission bp, PermissionsState origPermissions) { 10173 boolean allowed; 10174 allowed = (compareSignatures( 10175 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10176 == PackageManager.SIGNATURE_MATCH) 10177 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10178 == PackageManager.SIGNATURE_MATCH); 10179 if (!allowed && (bp.protectionLevel 10180 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10181 if (isSystemApp(pkg)) { 10182 // For updated system applications, a system permission 10183 // is granted only if it had been defined by the original application. 10184 if (pkg.isUpdatedSystemApp()) { 10185 final PackageSetting sysPs = mSettings 10186 .getDisabledSystemPkgLPr(pkg.packageName); 10187 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10188 // If the original was granted this permission, we take 10189 // that grant decision as read and propagate it to the 10190 // update. 10191 if (sysPs.isPrivileged()) { 10192 allowed = true; 10193 } 10194 } else { 10195 // The system apk may have been updated with an older 10196 // version of the one on the data partition, but which 10197 // granted a new system permission that it didn't have 10198 // before. In this case we do want to allow the app to 10199 // now get the new permission if the ancestral apk is 10200 // privileged to get it. 10201 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10202 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10203 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10204 allowed = true; 10205 break; 10206 } 10207 } 10208 } 10209 // Also if a privileged parent package on the system image or any of 10210 // its children requested a privileged permission, the updated child 10211 // packages can also get the permission. 10212 if (pkg.parentPackage != null) { 10213 final PackageSetting disabledSysParentPs = mSettings 10214 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10215 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10216 && disabledSysParentPs.isPrivileged()) { 10217 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10218 allowed = true; 10219 } else if (disabledSysParentPs.pkg.childPackages != null) { 10220 final int count = disabledSysParentPs.pkg.childPackages.size(); 10221 for (int i = 0; i < count; i++) { 10222 PackageParser.Package disabledSysChildPkg = 10223 disabledSysParentPs.pkg.childPackages.get(i); 10224 if (isPackageRequestingPermission(disabledSysChildPkg, 10225 perm)) { 10226 allowed = true; 10227 break; 10228 } 10229 } 10230 } 10231 } 10232 } 10233 } 10234 } else { 10235 allowed = isPrivilegedApp(pkg); 10236 } 10237 } 10238 } 10239 if (!allowed) { 10240 if (!allowed && (bp.protectionLevel 10241 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10242 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10243 // If this was a previously normal/dangerous permission that got moved 10244 // to a system permission as part of the runtime permission redesign, then 10245 // we still want to blindly grant it to old apps. 10246 allowed = true; 10247 } 10248 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10249 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10250 // If this permission is to be granted to the system installer and 10251 // this app is an installer, then it gets the permission. 10252 allowed = true; 10253 } 10254 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10255 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10256 // If this permission is to be granted to the system verifier and 10257 // this app is a verifier, then it gets the permission. 10258 allowed = true; 10259 } 10260 if (!allowed && (bp.protectionLevel 10261 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10262 && isSystemApp(pkg)) { 10263 // Any pre-installed system app is allowed to get this permission. 10264 allowed = true; 10265 } 10266 if (!allowed && (bp.protectionLevel 10267 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10268 // For development permissions, a development permission 10269 // is granted only if it was already granted. 10270 allowed = origPermissions.hasInstallPermission(perm); 10271 } 10272 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10273 && pkg.packageName.equals(mSetupWizardPackage)) { 10274 // If this permission is to be granted to the system setup wizard and 10275 // this app is a setup wizard, then it gets the permission. 10276 allowed = true; 10277 } 10278 } 10279 return allowed; 10280 } 10281 10282 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10283 final int permCount = pkg.requestedPermissions.size(); 10284 for (int j = 0; j < permCount; j++) { 10285 String requestedPermission = pkg.requestedPermissions.get(j); 10286 if (permission.equals(requestedPermission)) { 10287 return true; 10288 } 10289 } 10290 return false; 10291 } 10292 10293 final class ActivityIntentResolver 10294 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10295 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10296 boolean defaultOnly, int userId) { 10297 if (!sUserManager.exists(userId)) return null; 10298 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10299 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10300 } 10301 10302 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10303 int userId) { 10304 if (!sUserManager.exists(userId)) return null; 10305 mFlags = flags; 10306 return super.queryIntent(intent, resolvedType, 10307 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10308 } 10309 10310 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10311 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10312 if (!sUserManager.exists(userId)) return null; 10313 if (packageActivities == null) { 10314 return null; 10315 } 10316 mFlags = flags; 10317 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10318 final int N = packageActivities.size(); 10319 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10320 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10321 10322 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10323 for (int i = 0; i < N; ++i) { 10324 intentFilters = packageActivities.get(i).intents; 10325 if (intentFilters != null && intentFilters.size() > 0) { 10326 PackageParser.ActivityIntentInfo[] array = 10327 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10328 intentFilters.toArray(array); 10329 listCut.add(array); 10330 } 10331 } 10332 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10333 } 10334 10335 /** 10336 * Finds a privileged activity that matches the specified activity names. 10337 */ 10338 private PackageParser.Activity findMatchingActivity( 10339 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10340 for (PackageParser.Activity sysActivity : activityList) { 10341 if (sysActivity.info.name.equals(activityInfo.name)) { 10342 return sysActivity; 10343 } 10344 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10345 return sysActivity; 10346 } 10347 if (sysActivity.info.targetActivity != null) { 10348 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10349 return sysActivity; 10350 } 10351 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10352 return sysActivity; 10353 } 10354 } 10355 } 10356 return null; 10357 } 10358 10359 public class IterGenerator<E> { 10360 public Iterator<E> generate(ActivityIntentInfo info) { 10361 return null; 10362 } 10363 } 10364 10365 public class ActionIterGenerator extends IterGenerator<String> { 10366 @Override 10367 public Iterator<String> generate(ActivityIntentInfo info) { 10368 return info.actionsIterator(); 10369 } 10370 } 10371 10372 public class CategoriesIterGenerator extends IterGenerator<String> { 10373 @Override 10374 public Iterator<String> generate(ActivityIntentInfo info) { 10375 return info.categoriesIterator(); 10376 } 10377 } 10378 10379 public class SchemesIterGenerator extends IterGenerator<String> { 10380 @Override 10381 public Iterator<String> generate(ActivityIntentInfo info) { 10382 return info.schemesIterator(); 10383 } 10384 } 10385 10386 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10387 @Override 10388 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10389 return info.authoritiesIterator(); 10390 } 10391 } 10392 10393 /** 10394 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10395 * MODIFIED. Do not pass in a list that should not be changed. 10396 */ 10397 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10398 IterGenerator<T> generator, Iterator<T> searchIterator) { 10399 // loop through the set of actions; every one must be found in the intent filter 10400 while (searchIterator.hasNext()) { 10401 // we must have at least one filter in the list to consider a match 10402 if (intentList.size() == 0) { 10403 break; 10404 } 10405 10406 final T searchAction = searchIterator.next(); 10407 10408 // loop through the set of intent filters 10409 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10410 while (intentIter.hasNext()) { 10411 final ActivityIntentInfo intentInfo = intentIter.next(); 10412 boolean selectionFound = false; 10413 10414 // loop through the intent filter's selection criteria; at least one 10415 // of them must match the searched criteria 10416 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10417 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10418 final T intentSelection = intentSelectionIter.next(); 10419 if (intentSelection != null && intentSelection.equals(searchAction)) { 10420 selectionFound = true; 10421 break; 10422 } 10423 } 10424 10425 // the selection criteria wasn't found in this filter's set; this filter 10426 // is not a potential match 10427 if (!selectionFound) { 10428 intentIter.remove(); 10429 } 10430 } 10431 } 10432 } 10433 10434 private boolean isProtectedAction(ActivityIntentInfo filter) { 10435 final Iterator<String> actionsIter = filter.actionsIterator(); 10436 while (actionsIter != null && actionsIter.hasNext()) { 10437 final String filterAction = actionsIter.next(); 10438 if (PROTECTED_ACTIONS.contains(filterAction)) { 10439 return true; 10440 } 10441 } 10442 return false; 10443 } 10444 10445 /** 10446 * Adjusts the priority of the given intent filter according to policy. 10447 * <p> 10448 * <ul> 10449 * <li>The priority for non privileged applications is capped to '0'</li> 10450 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10451 * <li>The priority for unbundled updates to privileged applications is capped to the 10452 * priority defined on the system partition</li> 10453 * </ul> 10454 * <p> 10455 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10456 * allowed to obtain any priority on any action. 10457 */ 10458 private void adjustPriority( 10459 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10460 // nothing to do; priority is fine as-is 10461 if (intent.getPriority() <= 0) { 10462 return; 10463 } 10464 10465 final ActivityInfo activityInfo = intent.activity.info; 10466 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10467 10468 final boolean privilegedApp = 10469 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10470 if (!privilegedApp) { 10471 // non-privileged applications can never define a priority >0 10472 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10473 + " package: " + applicationInfo.packageName 10474 + " activity: " + intent.activity.className 10475 + " origPrio: " + intent.getPriority()); 10476 intent.setPriority(0); 10477 return; 10478 } 10479 10480 if (systemActivities == null) { 10481 // the system package is not disabled; we're parsing the system partition 10482 if (isProtectedAction(intent)) { 10483 if (mDeferProtectedFilters) { 10484 // We can't deal with these just yet. No component should ever obtain a 10485 // >0 priority for a protected actions, with ONE exception -- the setup 10486 // wizard. The setup wizard, however, cannot be known until we're able to 10487 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10488 // until all intent filters have been processed. Chicken, meet egg. 10489 // Let the filter temporarily have a high priority and rectify the 10490 // priorities after all system packages have been scanned. 10491 mProtectedFilters.add(intent); 10492 if (DEBUG_FILTERS) { 10493 Slog.i(TAG, "Protected action; save for later;" 10494 + " package: " + applicationInfo.packageName 10495 + " activity: " + intent.activity.className 10496 + " origPrio: " + intent.getPriority()); 10497 } 10498 return; 10499 } else { 10500 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10501 Slog.i(TAG, "No setup wizard;" 10502 + " All protected intents capped to priority 0"); 10503 } 10504 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10505 if (DEBUG_FILTERS) { 10506 Slog.i(TAG, "Found setup wizard;" 10507 + " allow priority " + intent.getPriority() + ";" 10508 + " package: " + intent.activity.info.packageName 10509 + " activity: " + intent.activity.className 10510 + " priority: " + intent.getPriority()); 10511 } 10512 // setup wizard gets whatever it wants 10513 return; 10514 } 10515 Slog.w(TAG, "Protected action; cap priority to 0;" 10516 + " package: " + intent.activity.info.packageName 10517 + " activity: " + intent.activity.className 10518 + " origPrio: " + intent.getPriority()); 10519 intent.setPriority(0); 10520 return; 10521 } 10522 } 10523 // privileged apps on the system image get whatever priority they request 10524 return; 10525 } 10526 10527 // privileged app unbundled update ... try to find the same activity 10528 final PackageParser.Activity foundActivity = 10529 findMatchingActivity(systemActivities, activityInfo); 10530 if (foundActivity == null) { 10531 // this is a new activity; it cannot obtain >0 priority 10532 if (DEBUG_FILTERS) { 10533 Slog.i(TAG, "New activity; cap priority to 0;" 10534 + " package: " + applicationInfo.packageName 10535 + " activity: " + intent.activity.className 10536 + " origPrio: " + intent.getPriority()); 10537 } 10538 intent.setPriority(0); 10539 return; 10540 } 10541 10542 // found activity, now check for filter equivalence 10543 10544 // a shallow copy is enough; we modify the list, not its contents 10545 final List<ActivityIntentInfo> intentListCopy = 10546 new ArrayList<>(foundActivity.intents); 10547 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10548 10549 // find matching action subsets 10550 final Iterator<String> actionsIterator = intent.actionsIterator(); 10551 if (actionsIterator != null) { 10552 getIntentListSubset( 10553 intentListCopy, new ActionIterGenerator(), actionsIterator); 10554 if (intentListCopy.size() == 0) { 10555 // no more intents to match; we're not equivalent 10556 if (DEBUG_FILTERS) { 10557 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10558 + " package: " + applicationInfo.packageName 10559 + " activity: " + intent.activity.className 10560 + " origPrio: " + intent.getPriority()); 10561 } 10562 intent.setPriority(0); 10563 return; 10564 } 10565 } 10566 10567 // find matching category subsets 10568 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10569 if (categoriesIterator != null) { 10570 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10571 categoriesIterator); 10572 if (intentListCopy.size() == 0) { 10573 // no more intents to match; we're not equivalent 10574 if (DEBUG_FILTERS) { 10575 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10576 + " package: " + applicationInfo.packageName 10577 + " activity: " + intent.activity.className 10578 + " origPrio: " + intent.getPriority()); 10579 } 10580 intent.setPriority(0); 10581 return; 10582 } 10583 } 10584 10585 // find matching schemes subsets 10586 final Iterator<String> schemesIterator = intent.schemesIterator(); 10587 if (schemesIterator != null) { 10588 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10589 schemesIterator); 10590 if (intentListCopy.size() == 0) { 10591 // no more intents to match; we're not equivalent 10592 if (DEBUG_FILTERS) { 10593 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10594 + " package: " + applicationInfo.packageName 10595 + " activity: " + intent.activity.className 10596 + " origPrio: " + intent.getPriority()); 10597 } 10598 intent.setPriority(0); 10599 return; 10600 } 10601 } 10602 10603 // find matching authorities subsets 10604 final Iterator<IntentFilter.AuthorityEntry> 10605 authoritiesIterator = intent.authoritiesIterator(); 10606 if (authoritiesIterator != null) { 10607 getIntentListSubset(intentListCopy, 10608 new AuthoritiesIterGenerator(), 10609 authoritiesIterator); 10610 if (intentListCopy.size() == 0) { 10611 // no more intents to match; we're not equivalent 10612 if (DEBUG_FILTERS) { 10613 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10614 + " package: " + applicationInfo.packageName 10615 + " activity: " + intent.activity.className 10616 + " origPrio: " + intent.getPriority()); 10617 } 10618 intent.setPriority(0); 10619 return; 10620 } 10621 } 10622 10623 // we found matching filter(s); app gets the max priority of all intents 10624 int cappedPriority = 0; 10625 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10626 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10627 } 10628 if (intent.getPriority() > cappedPriority) { 10629 if (DEBUG_FILTERS) { 10630 Slog.i(TAG, "Found matching filter(s);" 10631 + " cap priority to " + cappedPriority + ";" 10632 + " package: " + applicationInfo.packageName 10633 + " activity: " + intent.activity.className 10634 + " origPrio: " + intent.getPriority()); 10635 } 10636 intent.setPriority(cappedPriority); 10637 return; 10638 } 10639 // all this for nothing; the requested priority was <= what was on the system 10640 } 10641 10642 public final void addActivity(PackageParser.Activity a, String type) { 10643 mActivities.put(a.getComponentName(), a); 10644 if (DEBUG_SHOW_INFO) 10645 Log.v( 10646 TAG, " " + type + " " + 10647 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10648 if (DEBUG_SHOW_INFO) 10649 Log.v(TAG, " Class=" + a.info.name); 10650 final int NI = a.intents.size(); 10651 for (int j=0; j<NI; j++) { 10652 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10653 if ("activity".equals(type)) { 10654 final PackageSetting ps = 10655 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10656 final List<PackageParser.Activity> systemActivities = 10657 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10658 adjustPriority(systemActivities, intent); 10659 } 10660 if (DEBUG_SHOW_INFO) { 10661 Log.v(TAG, " IntentFilter:"); 10662 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10663 } 10664 if (!intent.debugCheck()) { 10665 Log.w(TAG, "==> For Activity " + a.info.name); 10666 } 10667 addFilter(intent); 10668 } 10669 } 10670 10671 public final void removeActivity(PackageParser.Activity a, String type) { 10672 mActivities.remove(a.getComponentName()); 10673 if (DEBUG_SHOW_INFO) { 10674 Log.v(TAG, " " + type + " " 10675 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10676 : a.info.name) + ":"); 10677 Log.v(TAG, " Class=" + a.info.name); 10678 } 10679 final int NI = a.intents.size(); 10680 for (int j=0; j<NI; j++) { 10681 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10682 if (DEBUG_SHOW_INFO) { 10683 Log.v(TAG, " IntentFilter:"); 10684 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10685 } 10686 removeFilter(intent); 10687 } 10688 } 10689 10690 @Override 10691 protected boolean allowFilterResult( 10692 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10693 ActivityInfo filterAi = filter.activity.info; 10694 for (int i=dest.size()-1; i>=0; i--) { 10695 ActivityInfo destAi = dest.get(i).activityInfo; 10696 if (destAi.name == filterAi.name 10697 && destAi.packageName == filterAi.packageName) { 10698 return false; 10699 } 10700 } 10701 return true; 10702 } 10703 10704 @Override 10705 protected ActivityIntentInfo[] newArray(int size) { 10706 return new ActivityIntentInfo[size]; 10707 } 10708 10709 @Override 10710 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10711 if (!sUserManager.exists(userId)) return true; 10712 PackageParser.Package p = filter.activity.owner; 10713 if (p != null) { 10714 PackageSetting ps = (PackageSetting)p.mExtras; 10715 if (ps != null) { 10716 // System apps are never considered stopped for purposes of 10717 // filtering, because there may be no way for the user to 10718 // actually re-launch them. 10719 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10720 && ps.getStopped(userId); 10721 } 10722 } 10723 return false; 10724 } 10725 10726 @Override 10727 protected boolean isPackageForFilter(String packageName, 10728 PackageParser.ActivityIntentInfo info) { 10729 return packageName.equals(info.activity.owner.packageName); 10730 } 10731 10732 @Override 10733 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10734 int match, int userId) { 10735 if (!sUserManager.exists(userId)) return null; 10736 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10737 return null; 10738 } 10739 final PackageParser.Activity activity = info.activity; 10740 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10741 if (ps == null) { 10742 return null; 10743 } 10744 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10745 ps.readUserState(userId), userId); 10746 if (ai == null) { 10747 return null; 10748 } 10749 final ResolveInfo res = new ResolveInfo(); 10750 res.activityInfo = ai; 10751 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10752 res.filter = info; 10753 } 10754 if (info != null) { 10755 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10756 } 10757 res.priority = info.getPriority(); 10758 res.preferredOrder = activity.owner.mPreferredOrder; 10759 //System.out.println("Result: " + res.activityInfo.className + 10760 // " = " + res.priority); 10761 res.match = match; 10762 res.isDefault = info.hasDefault; 10763 res.labelRes = info.labelRes; 10764 res.nonLocalizedLabel = info.nonLocalizedLabel; 10765 if (userNeedsBadging(userId)) { 10766 res.noResourceId = true; 10767 } else { 10768 res.icon = info.icon; 10769 } 10770 res.iconResourceId = info.icon; 10771 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10772 return res; 10773 } 10774 10775 @Override 10776 protected void sortResults(List<ResolveInfo> results) { 10777 Collections.sort(results, mResolvePrioritySorter); 10778 } 10779 10780 @Override 10781 protected void dumpFilter(PrintWriter out, String prefix, 10782 PackageParser.ActivityIntentInfo filter) { 10783 out.print(prefix); out.print( 10784 Integer.toHexString(System.identityHashCode(filter.activity))); 10785 out.print(' '); 10786 filter.activity.printComponentShortName(out); 10787 out.print(" filter "); 10788 out.println(Integer.toHexString(System.identityHashCode(filter))); 10789 } 10790 10791 @Override 10792 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10793 return filter.activity; 10794 } 10795 10796 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10797 PackageParser.Activity activity = (PackageParser.Activity)label; 10798 out.print(prefix); out.print( 10799 Integer.toHexString(System.identityHashCode(activity))); 10800 out.print(' '); 10801 activity.printComponentShortName(out); 10802 if (count > 1) { 10803 out.print(" ("); out.print(count); out.print(" filters)"); 10804 } 10805 out.println(); 10806 } 10807 10808 // Keys are String (activity class name), values are Activity. 10809 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10810 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10811 private int mFlags; 10812 } 10813 10814 private final class ServiceIntentResolver 10815 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10816 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10817 boolean defaultOnly, int userId) { 10818 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10819 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10820 } 10821 10822 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10823 int userId) { 10824 if (!sUserManager.exists(userId)) return null; 10825 mFlags = flags; 10826 return super.queryIntent(intent, resolvedType, 10827 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10828 } 10829 10830 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10831 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10832 if (!sUserManager.exists(userId)) return null; 10833 if (packageServices == null) { 10834 return null; 10835 } 10836 mFlags = flags; 10837 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10838 final int N = packageServices.size(); 10839 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10840 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10841 10842 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10843 for (int i = 0; i < N; ++i) { 10844 intentFilters = packageServices.get(i).intents; 10845 if (intentFilters != null && intentFilters.size() > 0) { 10846 PackageParser.ServiceIntentInfo[] array = 10847 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10848 intentFilters.toArray(array); 10849 listCut.add(array); 10850 } 10851 } 10852 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10853 } 10854 10855 public final void addService(PackageParser.Service s) { 10856 mServices.put(s.getComponentName(), s); 10857 if (DEBUG_SHOW_INFO) { 10858 Log.v(TAG, " " 10859 + (s.info.nonLocalizedLabel != null 10860 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10861 Log.v(TAG, " Class=" + s.info.name); 10862 } 10863 final int NI = s.intents.size(); 10864 int j; 10865 for (j=0; j<NI; j++) { 10866 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10867 if (DEBUG_SHOW_INFO) { 10868 Log.v(TAG, " IntentFilter:"); 10869 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10870 } 10871 if (!intent.debugCheck()) { 10872 Log.w(TAG, "==> For Service " + s.info.name); 10873 } 10874 addFilter(intent); 10875 } 10876 } 10877 10878 public final void removeService(PackageParser.Service s) { 10879 mServices.remove(s.getComponentName()); 10880 if (DEBUG_SHOW_INFO) { 10881 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10882 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10883 Log.v(TAG, " Class=" + s.info.name); 10884 } 10885 final int NI = s.intents.size(); 10886 int j; 10887 for (j=0; j<NI; j++) { 10888 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10889 if (DEBUG_SHOW_INFO) { 10890 Log.v(TAG, " IntentFilter:"); 10891 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10892 } 10893 removeFilter(intent); 10894 } 10895 } 10896 10897 @Override 10898 protected boolean allowFilterResult( 10899 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10900 ServiceInfo filterSi = filter.service.info; 10901 for (int i=dest.size()-1; i>=0; i--) { 10902 ServiceInfo destAi = dest.get(i).serviceInfo; 10903 if (destAi.name == filterSi.name 10904 && destAi.packageName == filterSi.packageName) { 10905 return false; 10906 } 10907 } 10908 return true; 10909 } 10910 10911 @Override 10912 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10913 return new PackageParser.ServiceIntentInfo[size]; 10914 } 10915 10916 @Override 10917 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10918 if (!sUserManager.exists(userId)) return true; 10919 PackageParser.Package p = filter.service.owner; 10920 if (p != null) { 10921 PackageSetting ps = (PackageSetting)p.mExtras; 10922 if (ps != null) { 10923 // System apps are never considered stopped for purposes of 10924 // filtering, because there may be no way for the user to 10925 // actually re-launch them. 10926 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10927 && ps.getStopped(userId); 10928 } 10929 } 10930 return false; 10931 } 10932 10933 @Override 10934 protected boolean isPackageForFilter(String packageName, 10935 PackageParser.ServiceIntentInfo info) { 10936 return packageName.equals(info.service.owner.packageName); 10937 } 10938 10939 @Override 10940 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10941 int match, int userId) { 10942 if (!sUserManager.exists(userId)) return null; 10943 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10944 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10945 return null; 10946 } 10947 final PackageParser.Service service = info.service; 10948 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10949 if (ps == null) { 10950 return null; 10951 } 10952 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10953 ps.readUserState(userId), userId); 10954 if (si == null) { 10955 return null; 10956 } 10957 final ResolveInfo res = new ResolveInfo(); 10958 res.serviceInfo = si; 10959 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10960 res.filter = filter; 10961 } 10962 res.priority = info.getPriority(); 10963 res.preferredOrder = service.owner.mPreferredOrder; 10964 res.match = match; 10965 res.isDefault = info.hasDefault; 10966 res.labelRes = info.labelRes; 10967 res.nonLocalizedLabel = info.nonLocalizedLabel; 10968 res.icon = info.icon; 10969 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10970 return res; 10971 } 10972 10973 @Override 10974 protected void sortResults(List<ResolveInfo> results) { 10975 Collections.sort(results, mResolvePrioritySorter); 10976 } 10977 10978 @Override 10979 protected void dumpFilter(PrintWriter out, String prefix, 10980 PackageParser.ServiceIntentInfo filter) { 10981 out.print(prefix); out.print( 10982 Integer.toHexString(System.identityHashCode(filter.service))); 10983 out.print(' '); 10984 filter.service.printComponentShortName(out); 10985 out.print(" filter "); 10986 out.println(Integer.toHexString(System.identityHashCode(filter))); 10987 } 10988 10989 @Override 10990 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10991 return filter.service; 10992 } 10993 10994 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10995 PackageParser.Service service = (PackageParser.Service)label; 10996 out.print(prefix); out.print( 10997 Integer.toHexString(System.identityHashCode(service))); 10998 out.print(' '); 10999 service.printComponentShortName(out); 11000 if (count > 1) { 11001 out.print(" ("); out.print(count); out.print(" filters)"); 11002 } 11003 out.println(); 11004 } 11005 11006// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11007// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11008// final List<ResolveInfo> retList = Lists.newArrayList(); 11009// while (i.hasNext()) { 11010// final ResolveInfo resolveInfo = (ResolveInfo) i; 11011// if (isEnabledLP(resolveInfo.serviceInfo)) { 11012// retList.add(resolveInfo); 11013// } 11014// } 11015// return retList; 11016// } 11017 11018 // Keys are String (activity class name), values are Activity. 11019 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11020 = new ArrayMap<ComponentName, PackageParser.Service>(); 11021 private int mFlags; 11022 }; 11023 11024 private final class ProviderIntentResolver 11025 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11026 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11027 boolean defaultOnly, int userId) { 11028 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11029 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11030 } 11031 11032 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11033 int userId) { 11034 if (!sUserManager.exists(userId)) 11035 return null; 11036 mFlags = flags; 11037 return super.queryIntent(intent, resolvedType, 11038 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11039 } 11040 11041 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11042 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11043 if (!sUserManager.exists(userId)) 11044 return null; 11045 if (packageProviders == null) { 11046 return null; 11047 } 11048 mFlags = flags; 11049 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11050 final int N = packageProviders.size(); 11051 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11052 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11053 11054 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11055 for (int i = 0; i < N; ++i) { 11056 intentFilters = packageProviders.get(i).intents; 11057 if (intentFilters != null && intentFilters.size() > 0) { 11058 PackageParser.ProviderIntentInfo[] array = 11059 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11060 intentFilters.toArray(array); 11061 listCut.add(array); 11062 } 11063 } 11064 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11065 } 11066 11067 public final void addProvider(PackageParser.Provider p) { 11068 if (mProviders.containsKey(p.getComponentName())) { 11069 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11070 return; 11071 } 11072 11073 mProviders.put(p.getComponentName(), p); 11074 if (DEBUG_SHOW_INFO) { 11075 Log.v(TAG, " " 11076 + (p.info.nonLocalizedLabel != null 11077 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11078 Log.v(TAG, " Class=" + p.info.name); 11079 } 11080 final int NI = p.intents.size(); 11081 int j; 11082 for (j = 0; j < NI; j++) { 11083 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11084 if (DEBUG_SHOW_INFO) { 11085 Log.v(TAG, " IntentFilter:"); 11086 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11087 } 11088 if (!intent.debugCheck()) { 11089 Log.w(TAG, "==> For Provider " + p.info.name); 11090 } 11091 addFilter(intent); 11092 } 11093 } 11094 11095 public final void removeProvider(PackageParser.Provider p) { 11096 mProviders.remove(p.getComponentName()); 11097 if (DEBUG_SHOW_INFO) { 11098 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11099 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11100 Log.v(TAG, " Class=" + p.info.name); 11101 } 11102 final int NI = p.intents.size(); 11103 int j; 11104 for (j = 0; j < NI; j++) { 11105 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11106 if (DEBUG_SHOW_INFO) { 11107 Log.v(TAG, " IntentFilter:"); 11108 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11109 } 11110 removeFilter(intent); 11111 } 11112 } 11113 11114 @Override 11115 protected boolean allowFilterResult( 11116 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11117 ProviderInfo filterPi = filter.provider.info; 11118 for (int i = dest.size() - 1; i >= 0; i--) { 11119 ProviderInfo destPi = dest.get(i).providerInfo; 11120 if (destPi.name == filterPi.name 11121 && destPi.packageName == filterPi.packageName) { 11122 return false; 11123 } 11124 } 11125 return true; 11126 } 11127 11128 @Override 11129 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11130 return new PackageParser.ProviderIntentInfo[size]; 11131 } 11132 11133 @Override 11134 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11135 if (!sUserManager.exists(userId)) 11136 return true; 11137 PackageParser.Package p = filter.provider.owner; 11138 if (p != null) { 11139 PackageSetting ps = (PackageSetting) p.mExtras; 11140 if (ps != null) { 11141 // System apps are never considered stopped for purposes of 11142 // filtering, because there may be no way for the user to 11143 // actually re-launch them. 11144 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11145 && ps.getStopped(userId); 11146 } 11147 } 11148 return false; 11149 } 11150 11151 @Override 11152 protected boolean isPackageForFilter(String packageName, 11153 PackageParser.ProviderIntentInfo info) { 11154 return packageName.equals(info.provider.owner.packageName); 11155 } 11156 11157 @Override 11158 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11159 int match, int userId) { 11160 if (!sUserManager.exists(userId)) 11161 return null; 11162 final PackageParser.ProviderIntentInfo info = filter; 11163 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11164 return null; 11165 } 11166 final PackageParser.Provider provider = info.provider; 11167 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11168 if (ps == null) { 11169 return null; 11170 } 11171 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11172 ps.readUserState(userId), userId); 11173 if (pi == null) { 11174 return null; 11175 } 11176 final ResolveInfo res = new ResolveInfo(); 11177 res.providerInfo = pi; 11178 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11179 res.filter = filter; 11180 } 11181 res.priority = info.getPriority(); 11182 res.preferredOrder = provider.owner.mPreferredOrder; 11183 res.match = match; 11184 res.isDefault = info.hasDefault; 11185 res.labelRes = info.labelRes; 11186 res.nonLocalizedLabel = info.nonLocalizedLabel; 11187 res.icon = info.icon; 11188 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11189 return res; 11190 } 11191 11192 @Override 11193 protected void sortResults(List<ResolveInfo> results) { 11194 Collections.sort(results, mResolvePrioritySorter); 11195 } 11196 11197 @Override 11198 protected void dumpFilter(PrintWriter out, String prefix, 11199 PackageParser.ProviderIntentInfo filter) { 11200 out.print(prefix); 11201 out.print( 11202 Integer.toHexString(System.identityHashCode(filter.provider))); 11203 out.print(' '); 11204 filter.provider.printComponentShortName(out); 11205 out.print(" filter "); 11206 out.println(Integer.toHexString(System.identityHashCode(filter))); 11207 } 11208 11209 @Override 11210 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11211 return filter.provider; 11212 } 11213 11214 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11215 PackageParser.Provider provider = (PackageParser.Provider)label; 11216 out.print(prefix); out.print( 11217 Integer.toHexString(System.identityHashCode(provider))); 11218 out.print(' '); 11219 provider.printComponentShortName(out); 11220 if (count > 1) { 11221 out.print(" ("); out.print(count); out.print(" filters)"); 11222 } 11223 out.println(); 11224 } 11225 11226 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11227 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11228 private int mFlags; 11229 } 11230 11231 private static final class EphemeralIntentResolver 11232 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11233 /** 11234 * The result that has the highest defined order. Ordering applies on a 11235 * per-package basis. Mapping is from package name to Pair of order and 11236 * EphemeralResolveInfo. 11237 * <p> 11238 * NOTE: This is implemented as a field variable for convenience and efficiency. 11239 * By having a field variable, we're able to track filter ordering as soon as 11240 * a non-zero order is defined. Otherwise, multiple loops across the result set 11241 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 11242 * this needs to be contained entirely within {@link #filterResults()}. 11243 */ 11244 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 11245 11246 @Override 11247 protected EphemeralResolveIntentInfo[] newArray(int size) { 11248 return new EphemeralResolveIntentInfo[size]; 11249 } 11250 11251 @Override 11252 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11253 return true; 11254 } 11255 11256 @Override 11257 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11258 int userId) { 11259 if (!sUserManager.exists(userId)) { 11260 return null; 11261 } 11262 final String packageName = info.getEphemeralResolveInfo().getPackageName(); 11263 final Integer order = info.getOrder(); 11264 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 11265 mOrderResult.get(packageName); 11266 // ordering is enabled and this item's order isn't high enough 11267 if (lastOrderResult != null && lastOrderResult.first >= order) { 11268 return null; 11269 } 11270 final EphemeralResolveInfo res = info.getEphemeralResolveInfo(); 11271 if (order > 0) { 11272 // non-zero order, enable ordering 11273 mOrderResult.put(packageName, new Pair<>(order, res)); 11274 } 11275 return res; 11276 } 11277 11278 @Override 11279 protected void filterResults(List<EphemeralResolveInfo> results) { 11280 // only do work if ordering is enabled [most of the time it won't be] 11281 if (mOrderResult.size() == 0) { 11282 return; 11283 } 11284 int resultSize = results.size(); 11285 for (int i = 0; i < resultSize; i++) { 11286 final EphemeralResolveInfo info = results.get(i); 11287 final String packageName = info.getPackageName(); 11288 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 11289 if (savedInfo == null) { 11290 // package doesn't having ordering 11291 continue; 11292 } 11293 if (savedInfo.second == info) { 11294 // circled back to the highest ordered item; remove from order list 11295 mOrderResult.remove(savedInfo); 11296 if (mOrderResult.size() == 0) { 11297 // no more ordered items 11298 break; 11299 } 11300 continue; 11301 } 11302 // item has a worse order, remove it from the result list 11303 results.remove(i); 11304 resultSize--; 11305 i--; 11306 } 11307 } 11308 } 11309 11310 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11311 new Comparator<ResolveInfo>() { 11312 public int compare(ResolveInfo r1, ResolveInfo r2) { 11313 int v1 = r1.priority; 11314 int v2 = r2.priority; 11315 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11316 if (v1 != v2) { 11317 return (v1 > v2) ? -1 : 1; 11318 } 11319 v1 = r1.preferredOrder; 11320 v2 = r2.preferredOrder; 11321 if (v1 != v2) { 11322 return (v1 > v2) ? -1 : 1; 11323 } 11324 if (r1.isDefault != r2.isDefault) { 11325 return r1.isDefault ? -1 : 1; 11326 } 11327 v1 = r1.match; 11328 v2 = r2.match; 11329 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11330 if (v1 != v2) { 11331 return (v1 > v2) ? -1 : 1; 11332 } 11333 if (r1.system != r2.system) { 11334 return r1.system ? -1 : 1; 11335 } 11336 if (r1.activityInfo != null) { 11337 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11338 } 11339 if (r1.serviceInfo != null) { 11340 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11341 } 11342 if (r1.providerInfo != null) { 11343 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11344 } 11345 return 0; 11346 } 11347 }; 11348 11349 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11350 new Comparator<ProviderInfo>() { 11351 public int compare(ProviderInfo p1, ProviderInfo p2) { 11352 final int v1 = p1.initOrder; 11353 final int v2 = p2.initOrder; 11354 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11355 } 11356 }; 11357 11358 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11359 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11360 final int[] userIds) { 11361 mHandler.post(new Runnable() { 11362 @Override 11363 public void run() { 11364 try { 11365 final IActivityManager am = ActivityManagerNative.getDefault(); 11366 if (am == null) return; 11367 final int[] resolvedUserIds; 11368 if (userIds == null) { 11369 resolvedUserIds = am.getRunningUserIds(); 11370 } else { 11371 resolvedUserIds = userIds; 11372 } 11373 for (int id : resolvedUserIds) { 11374 final Intent intent = new Intent(action, 11375 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11376 if (extras != null) { 11377 intent.putExtras(extras); 11378 } 11379 if (targetPkg != null) { 11380 intent.setPackage(targetPkg); 11381 } 11382 // Modify the UID when posting to other users 11383 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11384 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11385 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11386 intent.putExtra(Intent.EXTRA_UID, uid); 11387 } 11388 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11389 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11390 if (DEBUG_BROADCASTS) { 11391 RuntimeException here = new RuntimeException("here"); 11392 here.fillInStackTrace(); 11393 Slog.d(TAG, "Sending to user " + id + ": " 11394 + intent.toShortString(false, true, false, false) 11395 + " " + intent.getExtras(), here); 11396 } 11397 am.broadcastIntent(null, intent, null, finishedReceiver, 11398 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11399 null, finishedReceiver != null, false, id); 11400 } 11401 } catch (RemoteException ex) { 11402 } 11403 } 11404 }); 11405 } 11406 11407 /** 11408 * Check if the external storage media is available. This is true if there 11409 * is a mounted external storage medium or if the external storage is 11410 * emulated. 11411 */ 11412 private boolean isExternalMediaAvailable() { 11413 return mMediaMounted || Environment.isExternalStorageEmulated(); 11414 } 11415 11416 @Override 11417 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11418 // writer 11419 synchronized (mPackages) { 11420 if (!isExternalMediaAvailable()) { 11421 // If the external storage is no longer mounted at this point, 11422 // the caller may not have been able to delete all of this 11423 // packages files and can not delete any more. Bail. 11424 return null; 11425 } 11426 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11427 if (lastPackage != null) { 11428 pkgs.remove(lastPackage); 11429 } 11430 if (pkgs.size() > 0) { 11431 return pkgs.get(0); 11432 } 11433 } 11434 return null; 11435 } 11436 11437 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11438 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11439 userId, andCode ? 1 : 0, packageName); 11440 if (mSystemReady) { 11441 msg.sendToTarget(); 11442 } else { 11443 if (mPostSystemReadyMessages == null) { 11444 mPostSystemReadyMessages = new ArrayList<>(); 11445 } 11446 mPostSystemReadyMessages.add(msg); 11447 } 11448 } 11449 11450 void startCleaningPackages() { 11451 // reader 11452 if (!isExternalMediaAvailable()) { 11453 return; 11454 } 11455 synchronized (mPackages) { 11456 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11457 return; 11458 } 11459 } 11460 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11461 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11462 IActivityManager am = ActivityManagerNative.getDefault(); 11463 if (am != null) { 11464 try { 11465 am.startService(null, intent, null, mContext.getOpPackageName(), 11466 UserHandle.USER_SYSTEM); 11467 } catch (RemoteException e) { 11468 } 11469 } 11470 } 11471 11472 @Override 11473 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11474 int installFlags, String installerPackageName, int userId) { 11475 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11476 11477 final int callingUid = Binder.getCallingUid(); 11478 enforceCrossUserPermission(callingUid, userId, 11479 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11480 11481 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11482 try { 11483 if (observer != null) { 11484 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11485 } 11486 } catch (RemoteException re) { 11487 } 11488 return; 11489 } 11490 11491 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11492 installFlags |= PackageManager.INSTALL_FROM_ADB; 11493 11494 } else { 11495 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11496 // about installerPackageName. 11497 11498 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11499 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11500 } 11501 11502 UserHandle user; 11503 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11504 user = UserHandle.ALL; 11505 } else { 11506 user = new UserHandle(userId); 11507 } 11508 11509 // Only system components can circumvent runtime permissions when installing. 11510 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11511 && mContext.checkCallingOrSelfPermission(Manifest.permission 11512 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11513 throw new SecurityException("You need the " 11514 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11515 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11516 } 11517 11518 final File originFile = new File(originPath); 11519 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11520 11521 final Message msg = mHandler.obtainMessage(INIT_COPY); 11522 final VerificationInfo verificationInfo = new VerificationInfo( 11523 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11524 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11525 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11526 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11527 null /*certificates*/); 11528 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11529 msg.obj = params; 11530 11531 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11532 System.identityHashCode(msg.obj)); 11533 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11534 System.identityHashCode(msg.obj)); 11535 11536 mHandler.sendMessage(msg); 11537 } 11538 11539 void installStage(String packageName, File stagedDir, String stagedCid, 11540 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11541 String installerPackageName, int installerUid, UserHandle user, 11542 Certificate[][] certificates) { 11543 if (DEBUG_EPHEMERAL) { 11544 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11545 Slog.d(TAG, "Ephemeral install of " + packageName); 11546 } 11547 } 11548 final VerificationInfo verificationInfo = new VerificationInfo( 11549 sessionParams.originatingUri, sessionParams.referrerUri, 11550 sessionParams.originatingUid, installerUid); 11551 11552 final OriginInfo origin; 11553 if (stagedDir != null) { 11554 origin = OriginInfo.fromStagedFile(stagedDir); 11555 } else { 11556 origin = OriginInfo.fromStagedContainer(stagedCid); 11557 } 11558 11559 final Message msg = mHandler.obtainMessage(INIT_COPY); 11560 final InstallParams params = new InstallParams(origin, null, observer, 11561 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11562 verificationInfo, user, sessionParams.abiOverride, 11563 sessionParams.grantedRuntimePermissions, certificates); 11564 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11565 msg.obj = params; 11566 11567 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11568 System.identityHashCode(msg.obj)); 11569 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11570 System.identityHashCode(msg.obj)); 11571 11572 mHandler.sendMessage(msg); 11573 } 11574 11575 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11576 int userId) { 11577 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11578 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11579 } 11580 11581 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11582 int appId, int userId) { 11583 Bundle extras = new Bundle(1); 11584 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11585 11586 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11587 packageName, extras, 0, null, null, new int[] {userId}); 11588 try { 11589 IActivityManager am = ActivityManagerNative.getDefault(); 11590 if (isSystem && am.isUserRunning(userId, 0)) { 11591 // The just-installed/enabled app is bundled on the system, so presumed 11592 // to be able to run automatically without needing an explicit launch. 11593 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11594 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11595 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11596 .setPackage(packageName); 11597 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11598 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11599 } 11600 } catch (RemoteException e) { 11601 // shouldn't happen 11602 Slog.w(TAG, "Unable to bootstrap installed package", e); 11603 } 11604 } 11605 11606 @Override 11607 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11608 int userId) { 11609 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11610 PackageSetting pkgSetting; 11611 final int uid = Binder.getCallingUid(); 11612 enforceCrossUserPermission(uid, userId, 11613 true /* requireFullPermission */, true /* checkShell */, 11614 "setApplicationHiddenSetting for user " + userId); 11615 11616 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11617 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11618 return false; 11619 } 11620 11621 long callingId = Binder.clearCallingIdentity(); 11622 try { 11623 boolean sendAdded = false; 11624 boolean sendRemoved = false; 11625 // writer 11626 synchronized (mPackages) { 11627 pkgSetting = mSettings.mPackages.get(packageName); 11628 if (pkgSetting == null) { 11629 return false; 11630 } 11631 // Do not allow "android" is being disabled 11632 if ("android".equals(packageName)) { 11633 Slog.w(TAG, "Cannot hide package: android"); 11634 return false; 11635 } 11636 // Only allow protected packages to hide themselves. 11637 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11638 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11639 Slog.w(TAG, "Not hiding protected package: " + packageName); 11640 return false; 11641 } 11642 11643 if (pkgSetting.getHidden(userId) != hidden) { 11644 pkgSetting.setHidden(hidden, userId); 11645 mSettings.writePackageRestrictionsLPr(userId); 11646 if (hidden) { 11647 sendRemoved = true; 11648 } else { 11649 sendAdded = true; 11650 } 11651 } 11652 } 11653 if (sendAdded) { 11654 sendPackageAddedForUser(packageName, pkgSetting, userId); 11655 return true; 11656 } 11657 if (sendRemoved) { 11658 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11659 "hiding pkg"); 11660 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11661 return true; 11662 } 11663 } finally { 11664 Binder.restoreCallingIdentity(callingId); 11665 } 11666 return false; 11667 } 11668 11669 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11670 int userId) { 11671 final PackageRemovedInfo info = new PackageRemovedInfo(); 11672 info.removedPackage = packageName; 11673 info.removedUsers = new int[] {userId}; 11674 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11675 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11676 } 11677 11678 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11679 if (pkgList.length > 0) { 11680 Bundle extras = new Bundle(1); 11681 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11682 11683 sendPackageBroadcast( 11684 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11685 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11686 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11687 new int[] {userId}); 11688 } 11689 } 11690 11691 /** 11692 * Returns true if application is not found or there was an error. Otherwise it returns 11693 * the hidden state of the package for the given user. 11694 */ 11695 @Override 11696 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11697 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11698 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11699 true /* requireFullPermission */, false /* checkShell */, 11700 "getApplicationHidden for user " + userId); 11701 PackageSetting pkgSetting; 11702 long callingId = Binder.clearCallingIdentity(); 11703 try { 11704 // writer 11705 synchronized (mPackages) { 11706 pkgSetting = mSettings.mPackages.get(packageName); 11707 if (pkgSetting == null) { 11708 return true; 11709 } 11710 return pkgSetting.getHidden(userId); 11711 } 11712 } finally { 11713 Binder.restoreCallingIdentity(callingId); 11714 } 11715 } 11716 11717 /** 11718 * @hide 11719 */ 11720 @Override 11721 public int installExistingPackageAsUser(String packageName, int userId) { 11722 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11723 null); 11724 PackageSetting pkgSetting; 11725 final int uid = Binder.getCallingUid(); 11726 enforceCrossUserPermission(uid, userId, 11727 true /* requireFullPermission */, true /* checkShell */, 11728 "installExistingPackage for user " + userId); 11729 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11730 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11731 } 11732 11733 long callingId = Binder.clearCallingIdentity(); 11734 try { 11735 boolean installed = false; 11736 11737 // writer 11738 synchronized (mPackages) { 11739 pkgSetting = mSettings.mPackages.get(packageName); 11740 if (pkgSetting == null) { 11741 return PackageManager.INSTALL_FAILED_INVALID_URI; 11742 } 11743 if (!pkgSetting.getInstalled(userId)) { 11744 pkgSetting.setInstalled(true, userId); 11745 pkgSetting.setHidden(false, userId); 11746 mSettings.writePackageRestrictionsLPr(userId); 11747 installed = true; 11748 } 11749 } 11750 11751 if (installed) { 11752 if (pkgSetting.pkg != null) { 11753 synchronized (mInstallLock) { 11754 // We don't need to freeze for a brand new install 11755 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11756 } 11757 } 11758 sendPackageAddedForUser(packageName, pkgSetting, userId); 11759 } 11760 } finally { 11761 Binder.restoreCallingIdentity(callingId); 11762 } 11763 11764 return PackageManager.INSTALL_SUCCEEDED; 11765 } 11766 11767 boolean isUserRestricted(int userId, String restrictionKey) { 11768 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11769 if (restrictions.getBoolean(restrictionKey, false)) { 11770 Log.w(TAG, "User is restricted: " + restrictionKey); 11771 return true; 11772 } 11773 return false; 11774 } 11775 11776 @Override 11777 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11778 int userId) { 11779 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11780 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11781 true /* requireFullPermission */, true /* checkShell */, 11782 "setPackagesSuspended for user " + userId); 11783 11784 if (ArrayUtils.isEmpty(packageNames)) { 11785 return packageNames; 11786 } 11787 11788 // List of package names for whom the suspended state has changed. 11789 List<String> changedPackages = new ArrayList<>(packageNames.length); 11790 // List of package names for whom the suspended state is not set as requested in this 11791 // method. 11792 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11793 long callingId = Binder.clearCallingIdentity(); 11794 try { 11795 for (int i = 0; i < packageNames.length; i++) { 11796 String packageName = packageNames[i]; 11797 boolean changed = false; 11798 final int appId; 11799 synchronized (mPackages) { 11800 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11801 if (pkgSetting == null) { 11802 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11803 + "\". Skipping suspending/un-suspending."); 11804 unactionedPackages.add(packageName); 11805 continue; 11806 } 11807 appId = pkgSetting.appId; 11808 if (pkgSetting.getSuspended(userId) != suspended) { 11809 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11810 unactionedPackages.add(packageName); 11811 continue; 11812 } 11813 pkgSetting.setSuspended(suspended, userId); 11814 mSettings.writePackageRestrictionsLPr(userId); 11815 changed = true; 11816 changedPackages.add(packageName); 11817 } 11818 } 11819 11820 if (changed && suspended) { 11821 killApplication(packageName, UserHandle.getUid(userId, appId), 11822 "suspending package"); 11823 } 11824 } 11825 } finally { 11826 Binder.restoreCallingIdentity(callingId); 11827 } 11828 11829 if (!changedPackages.isEmpty()) { 11830 sendPackagesSuspendedForUser(changedPackages.toArray( 11831 new String[changedPackages.size()]), userId, suspended); 11832 } 11833 11834 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11835 } 11836 11837 @Override 11838 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11839 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11840 true /* requireFullPermission */, false /* checkShell */, 11841 "isPackageSuspendedForUser for user " + userId); 11842 synchronized (mPackages) { 11843 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11844 if (pkgSetting == null) { 11845 throw new IllegalArgumentException("Unknown target package: " + packageName); 11846 } 11847 return pkgSetting.getSuspended(userId); 11848 } 11849 } 11850 11851 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11852 if (isPackageDeviceAdmin(packageName, userId)) { 11853 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11854 + "\": has an active device admin"); 11855 return false; 11856 } 11857 11858 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11859 if (packageName.equals(activeLauncherPackageName)) { 11860 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11861 + "\": contains the active launcher"); 11862 return false; 11863 } 11864 11865 if (packageName.equals(mRequiredInstallerPackage)) { 11866 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11867 + "\": required for package installation"); 11868 return false; 11869 } 11870 11871 if (packageName.equals(mRequiredVerifierPackage)) { 11872 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11873 + "\": required for package verification"); 11874 return false; 11875 } 11876 11877 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11878 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11879 + "\": is the default dialer"); 11880 return false; 11881 } 11882 11883 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11884 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11885 + "\": protected package"); 11886 return false; 11887 } 11888 11889 return true; 11890 } 11891 11892 private String getActiveLauncherPackageName(int userId) { 11893 Intent intent = new Intent(Intent.ACTION_MAIN); 11894 intent.addCategory(Intent.CATEGORY_HOME); 11895 ResolveInfo resolveInfo = resolveIntent( 11896 intent, 11897 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11898 PackageManager.MATCH_DEFAULT_ONLY, 11899 userId); 11900 11901 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11902 } 11903 11904 private String getDefaultDialerPackageName(int userId) { 11905 synchronized (mPackages) { 11906 return mSettings.getDefaultDialerPackageNameLPw(userId); 11907 } 11908 } 11909 11910 @Override 11911 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11912 mContext.enforceCallingOrSelfPermission( 11913 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11914 "Only package verification agents can verify applications"); 11915 11916 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11917 final PackageVerificationResponse response = new PackageVerificationResponse( 11918 verificationCode, Binder.getCallingUid()); 11919 msg.arg1 = id; 11920 msg.obj = response; 11921 mHandler.sendMessage(msg); 11922 } 11923 11924 @Override 11925 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11926 long millisecondsToDelay) { 11927 mContext.enforceCallingOrSelfPermission( 11928 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11929 "Only package verification agents can extend verification timeouts"); 11930 11931 final PackageVerificationState state = mPendingVerification.get(id); 11932 final PackageVerificationResponse response = new PackageVerificationResponse( 11933 verificationCodeAtTimeout, Binder.getCallingUid()); 11934 11935 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11936 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11937 } 11938 if (millisecondsToDelay < 0) { 11939 millisecondsToDelay = 0; 11940 } 11941 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11942 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11943 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11944 } 11945 11946 if ((state != null) && !state.timeoutExtended()) { 11947 state.extendTimeout(); 11948 11949 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11950 msg.arg1 = id; 11951 msg.obj = response; 11952 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11953 } 11954 } 11955 11956 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11957 int verificationCode, UserHandle user) { 11958 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11959 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11960 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11961 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11962 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11963 11964 mContext.sendBroadcastAsUser(intent, user, 11965 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11966 } 11967 11968 private ComponentName matchComponentForVerifier(String packageName, 11969 List<ResolveInfo> receivers) { 11970 ActivityInfo targetReceiver = null; 11971 11972 final int NR = receivers.size(); 11973 for (int i = 0; i < NR; i++) { 11974 final ResolveInfo info = receivers.get(i); 11975 if (info.activityInfo == null) { 11976 continue; 11977 } 11978 11979 if (packageName.equals(info.activityInfo.packageName)) { 11980 targetReceiver = info.activityInfo; 11981 break; 11982 } 11983 } 11984 11985 if (targetReceiver == null) { 11986 return null; 11987 } 11988 11989 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11990 } 11991 11992 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11993 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11994 if (pkgInfo.verifiers.length == 0) { 11995 return null; 11996 } 11997 11998 final int N = pkgInfo.verifiers.length; 11999 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 12000 for (int i = 0; i < N; i++) { 12001 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 12002 12003 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 12004 receivers); 12005 if (comp == null) { 12006 continue; 12007 } 12008 12009 final int verifierUid = getUidForVerifier(verifierInfo); 12010 if (verifierUid == -1) { 12011 continue; 12012 } 12013 12014 if (DEBUG_VERIFY) { 12015 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12016 + " with the correct signature"); 12017 } 12018 sufficientVerifiers.add(comp); 12019 verificationState.addSufficientVerifier(verifierUid); 12020 } 12021 12022 return sufficientVerifiers; 12023 } 12024 12025 private int getUidForVerifier(VerifierInfo verifierInfo) { 12026 synchronized (mPackages) { 12027 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12028 if (pkg == null) { 12029 return -1; 12030 } else if (pkg.mSignatures.length != 1) { 12031 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12032 + " has more than one signature; ignoring"); 12033 return -1; 12034 } 12035 12036 /* 12037 * If the public key of the package's signature does not match 12038 * our expected public key, then this is a different package and 12039 * we should skip. 12040 */ 12041 12042 final byte[] expectedPublicKey; 12043 try { 12044 final Signature verifierSig = pkg.mSignatures[0]; 12045 final PublicKey publicKey = verifierSig.getPublicKey(); 12046 expectedPublicKey = publicKey.getEncoded(); 12047 } catch (CertificateException e) { 12048 return -1; 12049 } 12050 12051 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12052 12053 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12054 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12055 + " does not have the expected public key; ignoring"); 12056 return -1; 12057 } 12058 12059 return pkg.applicationInfo.uid; 12060 } 12061 } 12062 12063 @Override 12064 public void finishPackageInstall(int token, boolean didLaunch) { 12065 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12066 12067 if (DEBUG_INSTALL) { 12068 Slog.v(TAG, "BM finishing package install for " + token); 12069 } 12070 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12071 12072 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12073 mHandler.sendMessage(msg); 12074 } 12075 12076 /** 12077 * Get the verification agent timeout. 12078 * 12079 * @return verification timeout in milliseconds 12080 */ 12081 private long getVerificationTimeout() { 12082 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12083 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12084 DEFAULT_VERIFICATION_TIMEOUT); 12085 } 12086 12087 /** 12088 * Get the default verification agent response code. 12089 * 12090 * @return default verification response code 12091 */ 12092 private int getDefaultVerificationResponse() { 12093 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12094 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12095 DEFAULT_VERIFICATION_RESPONSE); 12096 } 12097 12098 /** 12099 * Check whether or not package verification has been enabled. 12100 * 12101 * @return true if verification should be performed 12102 */ 12103 private boolean isVerificationEnabled(int userId, int installFlags) { 12104 if (!DEFAULT_VERIFY_ENABLE) { 12105 return false; 12106 } 12107 // Ephemeral apps don't get the full verification treatment 12108 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12109 if (DEBUG_EPHEMERAL) { 12110 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12111 } 12112 return false; 12113 } 12114 12115 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12116 12117 // Check if installing from ADB 12118 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12119 // Do not run verification in a test harness environment 12120 if (ActivityManager.isRunningInTestHarness()) { 12121 return false; 12122 } 12123 if (ensureVerifyAppsEnabled) { 12124 return true; 12125 } 12126 // Check if the developer does not want package verification for ADB installs 12127 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12128 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12129 return false; 12130 } 12131 } 12132 12133 if (ensureVerifyAppsEnabled) { 12134 return true; 12135 } 12136 12137 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12138 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12139 } 12140 12141 @Override 12142 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12143 throws RemoteException { 12144 mContext.enforceCallingOrSelfPermission( 12145 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12146 "Only intentfilter verification agents can verify applications"); 12147 12148 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12149 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12150 Binder.getCallingUid(), verificationCode, failedDomains); 12151 msg.arg1 = id; 12152 msg.obj = response; 12153 mHandler.sendMessage(msg); 12154 } 12155 12156 @Override 12157 public int getIntentVerificationStatus(String packageName, int userId) { 12158 synchronized (mPackages) { 12159 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12160 } 12161 } 12162 12163 @Override 12164 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12165 mContext.enforceCallingOrSelfPermission( 12166 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12167 12168 boolean result = false; 12169 synchronized (mPackages) { 12170 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12171 } 12172 if (result) { 12173 scheduleWritePackageRestrictionsLocked(userId); 12174 } 12175 return result; 12176 } 12177 12178 @Override 12179 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12180 String packageName) { 12181 synchronized (mPackages) { 12182 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12183 } 12184 } 12185 12186 @Override 12187 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12188 if (TextUtils.isEmpty(packageName)) { 12189 return ParceledListSlice.emptyList(); 12190 } 12191 synchronized (mPackages) { 12192 PackageParser.Package pkg = mPackages.get(packageName); 12193 if (pkg == null || pkg.activities == null) { 12194 return ParceledListSlice.emptyList(); 12195 } 12196 final int count = pkg.activities.size(); 12197 ArrayList<IntentFilter> result = new ArrayList<>(); 12198 for (int n=0; n<count; n++) { 12199 PackageParser.Activity activity = pkg.activities.get(n); 12200 if (activity.intents != null && activity.intents.size() > 0) { 12201 result.addAll(activity.intents); 12202 } 12203 } 12204 return new ParceledListSlice<>(result); 12205 } 12206 } 12207 12208 @Override 12209 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12210 mContext.enforceCallingOrSelfPermission( 12211 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12212 12213 synchronized (mPackages) { 12214 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12215 if (packageName != null) { 12216 result |= updateIntentVerificationStatus(packageName, 12217 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12218 userId); 12219 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12220 packageName, userId); 12221 } 12222 return result; 12223 } 12224 } 12225 12226 @Override 12227 public String getDefaultBrowserPackageName(int userId) { 12228 synchronized (mPackages) { 12229 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12230 } 12231 } 12232 12233 /** 12234 * Get the "allow unknown sources" setting. 12235 * 12236 * @return the current "allow unknown sources" setting 12237 */ 12238 private int getUnknownSourcesSettings() { 12239 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12240 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12241 -1); 12242 } 12243 12244 @Override 12245 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12246 final int uid = Binder.getCallingUid(); 12247 // writer 12248 synchronized (mPackages) { 12249 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12250 if (targetPackageSetting == null) { 12251 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12252 } 12253 12254 PackageSetting installerPackageSetting; 12255 if (installerPackageName != null) { 12256 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12257 if (installerPackageSetting == null) { 12258 throw new IllegalArgumentException("Unknown installer package: " 12259 + installerPackageName); 12260 } 12261 } else { 12262 installerPackageSetting = null; 12263 } 12264 12265 Signature[] callerSignature; 12266 Object obj = mSettings.getUserIdLPr(uid); 12267 if (obj != null) { 12268 if (obj instanceof SharedUserSetting) { 12269 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12270 } else if (obj instanceof PackageSetting) { 12271 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12272 } else { 12273 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12274 } 12275 } else { 12276 throw new SecurityException("Unknown calling UID: " + uid); 12277 } 12278 12279 // Verify: can't set installerPackageName to a package that is 12280 // not signed with the same cert as the caller. 12281 if (installerPackageSetting != null) { 12282 if (compareSignatures(callerSignature, 12283 installerPackageSetting.signatures.mSignatures) 12284 != PackageManager.SIGNATURE_MATCH) { 12285 throw new SecurityException( 12286 "Caller does not have same cert as new installer package " 12287 + installerPackageName); 12288 } 12289 } 12290 12291 // Verify: if target already has an installer package, it must 12292 // be signed with the same cert as the caller. 12293 if (targetPackageSetting.installerPackageName != null) { 12294 PackageSetting setting = mSettings.mPackages.get( 12295 targetPackageSetting.installerPackageName); 12296 // If the currently set package isn't valid, then it's always 12297 // okay to change it. 12298 if (setting != null) { 12299 if (compareSignatures(callerSignature, 12300 setting.signatures.mSignatures) 12301 != PackageManager.SIGNATURE_MATCH) { 12302 throw new SecurityException( 12303 "Caller does not have same cert as old installer package " 12304 + targetPackageSetting.installerPackageName); 12305 } 12306 } 12307 } 12308 12309 // Okay! 12310 targetPackageSetting.installerPackageName = installerPackageName; 12311 if (installerPackageName != null) { 12312 mSettings.mInstallerPackages.add(installerPackageName); 12313 } 12314 scheduleWriteSettingsLocked(); 12315 } 12316 } 12317 12318 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12319 // Queue up an async operation since the package installation may take a little while. 12320 mHandler.post(new Runnable() { 12321 public void run() { 12322 mHandler.removeCallbacks(this); 12323 // Result object to be returned 12324 PackageInstalledInfo res = new PackageInstalledInfo(); 12325 res.setReturnCode(currentStatus); 12326 res.uid = -1; 12327 res.pkg = null; 12328 res.removedInfo = null; 12329 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12330 args.doPreInstall(res.returnCode); 12331 synchronized (mInstallLock) { 12332 installPackageTracedLI(args, res); 12333 } 12334 args.doPostInstall(res.returnCode, res.uid); 12335 } 12336 12337 // A restore should be performed at this point if (a) the install 12338 // succeeded, (b) the operation is not an update, and (c) the new 12339 // package has not opted out of backup participation. 12340 final boolean update = res.removedInfo != null 12341 && res.removedInfo.removedPackage != null; 12342 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12343 boolean doRestore = !update 12344 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12345 12346 // Set up the post-install work request bookkeeping. This will be used 12347 // and cleaned up by the post-install event handling regardless of whether 12348 // there's a restore pass performed. Token values are >= 1. 12349 int token; 12350 if (mNextInstallToken < 0) mNextInstallToken = 1; 12351 token = mNextInstallToken++; 12352 12353 PostInstallData data = new PostInstallData(args, res); 12354 mRunningInstalls.put(token, data); 12355 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12356 12357 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12358 // Pass responsibility to the Backup Manager. It will perform a 12359 // restore if appropriate, then pass responsibility back to the 12360 // Package Manager to run the post-install observer callbacks 12361 // and broadcasts. 12362 IBackupManager bm = IBackupManager.Stub.asInterface( 12363 ServiceManager.getService(Context.BACKUP_SERVICE)); 12364 if (bm != null) { 12365 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12366 + " to BM for possible restore"); 12367 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12368 try { 12369 // TODO: http://b/22388012 12370 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12371 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12372 } else { 12373 doRestore = false; 12374 } 12375 } catch (RemoteException e) { 12376 // can't happen; the backup manager is local 12377 } catch (Exception e) { 12378 Slog.e(TAG, "Exception trying to enqueue restore", e); 12379 doRestore = false; 12380 } 12381 } else { 12382 Slog.e(TAG, "Backup Manager not found!"); 12383 doRestore = false; 12384 } 12385 } 12386 12387 if (!doRestore) { 12388 // No restore possible, or the Backup Manager was mysteriously not 12389 // available -- just fire the post-install work request directly. 12390 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12391 12392 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12393 12394 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12395 mHandler.sendMessage(msg); 12396 } 12397 } 12398 }); 12399 } 12400 12401 /** 12402 * Callback from PackageSettings whenever an app is first transitioned out of the 12403 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12404 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12405 * here whether the app is the target of an ongoing install, and only send the 12406 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12407 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12408 * handling. 12409 */ 12410 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12411 // Serialize this with the rest of the install-process message chain. In the 12412 // restore-at-install case, this Runnable will necessarily run before the 12413 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12414 // are coherent. In the non-restore case, the app has already completed install 12415 // and been launched through some other means, so it is not in a problematic 12416 // state for observers to see the FIRST_LAUNCH signal. 12417 mHandler.post(new Runnable() { 12418 @Override 12419 public void run() { 12420 for (int i = 0; i < mRunningInstalls.size(); i++) { 12421 final PostInstallData data = mRunningInstalls.valueAt(i); 12422 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12423 continue; 12424 } 12425 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12426 // right package; but is it for the right user? 12427 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12428 if (userId == data.res.newUsers[uIndex]) { 12429 if (DEBUG_BACKUP) { 12430 Slog.i(TAG, "Package " + pkgName 12431 + " being restored so deferring FIRST_LAUNCH"); 12432 } 12433 return; 12434 } 12435 } 12436 } 12437 } 12438 // didn't find it, so not being restored 12439 if (DEBUG_BACKUP) { 12440 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12441 } 12442 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12443 } 12444 }); 12445 } 12446 12447 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12448 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12449 installerPkg, null, userIds); 12450 } 12451 12452 private abstract class HandlerParams { 12453 private static final int MAX_RETRIES = 4; 12454 12455 /** 12456 * Number of times startCopy() has been attempted and had a non-fatal 12457 * error. 12458 */ 12459 private int mRetries = 0; 12460 12461 /** User handle for the user requesting the information or installation. */ 12462 private final UserHandle mUser; 12463 String traceMethod; 12464 int traceCookie; 12465 12466 HandlerParams(UserHandle user) { 12467 mUser = user; 12468 } 12469 12470 UserHandle getUser() { 12471 return mUser; 12472 } 12473 12474 HandlerParams setTraceMethod(String traceMethod) { 12475 this.traceMethod = traceMethod; 12476 return this; 12477 } 12478 12479 HandlerParams setTraceCookie(int traceCookie) { 12480 this.traceCookie = traceCookie; 12481 return this; 12482 } 12483 12484 final boolean startCopy() { 12485 boolean res; 12486 try { 12487 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12488 12489 if (++mRetries > MAX_RETRIES) { 12490 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12491 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12492 handleServiceError(); 12493 return false; 12494 } else { 12495 handleStartCopy(); 12496 res = true; 12497 } 12498 } catch (RemoteException e) { 12499 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12500 mHandler.sendEmptyMessage(MCS_RECONNECT); 12501 res = false; 12502 } 12503 handleReturnCode(); 12504 return res; 12505 } 12506 12507 final void serviceError() { 12508 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12509 handleServiceError(); 12510 handleReturnCode(); 12511 } 12512 12513 abstract void handleStartCopy() throws RemoteException; 12514 abstract void handleServiceError(); 12515 abstract void handleReturnCode(); 12516 } 12517 12518 class MeasureParams extends HandlerParams { 12519 private final PackageStats mStats; 12520 private boolean mSuccess; 12521 12522 private final IPackageStatsObserver mObserver; 12523 12524 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12525 super(new UserHandle(stats.userHandle)); 12526 mObserver = observer; 12527 mStats = stats; 12528 } 12529 12530 @Override 12531 public String toString() { 12532 return "MeasureParams{" 12533 + Integer.toHexString(System.identityHashCode(this)) 12534 + " " + mStats.packageName + "}"; 12535 } 12536 12537 @Override 12538 void handleStartCopy() throws RemoteException { 12539 synchronized (mInstallLock) { 12540 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12541 } 12542 12543 if (mSuccess) { 12544 boolean mounted = false; 12545 try { 12546 final String status = Environment.getExternalStorageState(); 12547 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12548 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12549 } catch (Exception e) { 12550 } 12551 12552 if (mounted) { 12553 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12554 12555 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12556 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12557 12558 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12559 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12560 12561 // Always subtract cache size, since it's a subdirectory 12562 mStats.externalDataSize -= mStats.externalCacheSize; 12563 12564 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12565 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12566 12567 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12568 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12569 } 12570 } 12571 } 12572 12573 @Override 12574 void handleReturnCode() { 12575 if (mObserver != null) { 12576 try { 12577 mObserver.onGetStatsCompleted(mStats, mSuccess); 12578 } catch (RemoteException e) { 12579 Slog.i(TAG, "Observer no longer exists."); 12580 } 12581 } 12582 } 12583 12584 @Override 12585 void handleServiceError() { 12586 Slog.e(TAG, "Could not measure application " + mStats.packageName 12587 + " external storage"); 12588 } 12589 } 12590 12591 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12592 throws RemoteException { 12593 long result = 0; 12594 for (File path : paths) { 12595 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12596 } 12597 return result; 12598 } 12599 12600 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12601 for (File path : paths) { 12602 try { 12603 mcs.clearDirectory(path.getAbsolutePath()); 12604 } catch (RemoteException e) { 12605 } 12606 } 12607 } 12608 12609 static class OriginInfo { 12610 /** 12611 * Location where install is coming from, before it has been 12612 * copied/renamed into place. This could be a single monolithic APK 12613 * file, or a cluster directory. This location may be untrusted. 12614 */ 12615 final File file; 12616 final String cid; 12617 12618 /** 12619 * Flag indicating that {@link #file} or {@link #cid} has already been 12620 * staged, meaning downstream users don't need to defensively copy the 12621 * contents. 12622 */ 12623 final boolean staged; 12624 12625 /** 12626 * Flag indicating that {@link #file} or {@link #cid} is an already 12627 * installed app that is being moved. 12628 */ 12629 final boolean existing; 12630 12631 final String resolvedPath; 12632 final File resolvedFile; 12633 12634 static OriginInfo fromNothing() { 12635 return new OriginInfo(null, null, false, false); 12636 } 12637 12638 static OriginInfo fromUntrustedFile(File file) { 12639 return new OriginInfo(file, null, false, false); 12640 } 12641 12642 static OriginInfo fromExistingFile(File file) { 12643 return new OriginInfo(file, null, false, true); 12644 } 12645 12646 static OriginInfo fromStagedFile(File file) { 12647 return new OriginInfo(file, null, true, false); 12648 } 12649 12650 static OriginInfo fromStagedContainer(String cid) { 12651 return new OriginInfo(null, cid, true, false); 12652 } 12653 12654 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12655 this.file = file; 12656 this.cid = cid; 12657 this.staged = staged; 12658 this.existing = existing; 12659 12660 if (cid != null) { 12661 resolvedPath = PackageHelper.getSdDir(cid); 12662 resolvedFile = new File(resolvedPath); 12663 } else if (file != null) { 12664 resolvedPath = file.getAbsolutePath(); 12665 resolvedFile = file; 12666 } else { 12667 resolvedPath = null; 12668 resolvedFile = null; 12669 } 12670 } 12671 } 12672 12673 static class MoveInfo { 12674 final int moveId; 12675 final String fromUuid; 12676 final String toUuid; 12677 final String packageName; 12678 final String dataAppName; 12679 final int appId; 12680 final String seinfo; 12681 final int targetSdkVersion; 12682 12683 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12684 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12685 this.moveId = moveId; 12686 this.fromUuid = fromUuid; 12687 this.toUuid = toUuid; 12688 this.packageName = packageName; 12689 this.dataAppName = dataAppName; 12690 this.appId = appId; 12691 this.seinfo = seinfo; 12692 this.targetSdkVersion = targetSdkVersion; 12693 } 12694 } 12695 12696 static class VerificationInfo { 12697 /** A constant used to indicate that a uid value is not present. */ 12698 public static final int NO_UID = -1; 12699 12700 /** URI referencing where the package was downloaded from. */ 12701 final Uri originatingUri; 12702 12703 /** HTTP referrer URI associated with the originatingURI. */ 12704 final Uri referrer; 12705 12706 /** UID of the application that the install request originated from. */ 12707 final int originatingUid; 12708 12709 /** UID of application requesting the install */ 12710 final int installerUid; 12711 12712 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12713 this.originatingUri = originatingUri; 12714 this.referrer = referrer; 12715 this.originatingUid = originatingUid; 12716 this.installerUid = installerUid; 12717 } 12718 } 12719 12720 class InstallParams extends HandlerParams { 12721 final OriginInfo origin; 12722 final MoveInfo move; 12723 final IPackageInstallObserver2 observer; 12724 int installFlags; 12725 final String installerPackageName; 12726 final String volumeUuid; 12727 private InstallArgs mArgs; 12728 private int mRet; 12729 final String packageAbiOverride; 12730 final String[] grantedRuntimePermissions; 12731 final VerificationInfo verificationInfo; 12732 final Certificate[][] certificates; 12733 12734 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12735 int installFlags, String installerPackageName, String volumeUuid, 12736 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12737 String[] grantedPermissions, Certificate[][] certificates) { 12738 super(user); 12739 this.origin = origin; 12740 this.move = move; 12741 this.observer = observer; 12742 this.installFlags = installFlags; 12743 this.installerPackageName = installerPackageName; 12744 this.volumeUuid = volumeUuid; 12745 this.verificationInfo = verificationInfo; 12746 this.packageAbiOverride = packageAbiOverride; 12747 this.grantedRuntimePermissions = grantedPermissions; 12748 this.certificates = certificates; 12749 } 12750 12751 @Override 12752 public String toString() { 12753 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12754 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12755 } 12756 12757 private int installLocationPolicy(PackageInfoLite pkgLite) { 12758 String packageName = pkgLite.packageName; 12759 int installLocation = pkgLite.installLocation; 12760 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12761 // reader 12762 synchronized (mPackages) { 12763 // Currently installed package which the new package is attempting to replace or 12764 // null if no such package is installed. 12765 PackageParser.Package installedPkg = mPackages.get(packageName); 12766 // Package which currently owns the data which the new package will own if installed. 12767 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12768 // will be null whereas dataOwnerPkg will contain information about the package 12769 // which was uninstalled while keeping its data. 12770 PackageParser.Package dataOwnerPkg = installedPkg; 12771 if (dataOwnerPkg == null) { 12772 PackageSetting ps = mSettings.mPackages.get(packageName); 12773 if (ps != null) { 12774 dataOwnerPkg = ps.pkg; 12775 } 12776 } 12777 12778 if (dataOwnerPkg != null) { 12779 // If installed, the package will get access to data left on the device by its 12780 // predecessor. As a security measure, this is permited only if this is not a 12781 // version downgrade or if the predecessor package is marked as debuggable and 12782 // a downgrade is explicitly requested. 12783 // 12784 // On debuggable platform builds, downgrades are permitted even for 12785 // non-debuggable packages to make testing easier. Debuggable platform builds do 12786 // not offer security guarantees and thus it's OK to disable some security 12787 // mechanisms to make debugging/testing easier on those builds. However, even on 12788 // debuggable builds downgrades of packages are permitted only if requested via 12789 // installFlags. This is because we aim to keep the behavior of debuggable 12790 // platform builds as close as possible to the behavior of non-debuggable 12791 // platform builds. 12792 final boolean downgradeRequested = 12793 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12794 final boolean packageDebuggable = 12795 (dataOwnerPkg.applicationInfo.flags 12796 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12797 final boolean downgradePermitted = 12798 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12799 if (!downgradePermitted) { 12800 try { 12801 checkDowngrade(dataOwnerPkg, pkgLite); 12802 } catch (PackageManagerException e) { 12803 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12804 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12805 } 12806 } 12807 } 12808 12809 if (installedPkg != null) { 12810 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12811 // Check for updated system application. 12812 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12813 if (onSd) { 12814 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12815 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12816 } 12817 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12818 } else { 12819 if (onSd) { 12820 // Install flag overrides everything. 12821 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12822 } 12823 // If current upgrade specifies particular preference 12824 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12825 // Application explicitly specified internal. 12826 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12827 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12828 // App explictly prefers external. Let policy decide 12829 } else { 12830 // Prefer previous location 12831 if (isExternal(installedPkg)) { 12832 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12833 } 12834 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12835 } 12836 } 12837 } else { 12838 // Invalid install. Return error code 12839 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12840 } 12841 } 12842 } 12843 // All the special cases have been taken care of. 12844 // Return result based on recommended install location. 12845 if (onSd) { 12846 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12847 } 12848 return pkgLite.recommendedInstallLocation; 12849 } 12850 12851 /* 12852 * Invoke remote method to get package information and install 12853 * location values. Override install location based on default 12854 * policy if needed and then create install arguments based 12855 * on the install location. 12856 */ 12857 public void handleStartCopy() throws RemoteException { 12858 int ret = PackageManager.INSTALL_SUCCEEDED; 12859 12860 // If we're already staged, we've firmly committed to an install location 12861 if (origin.staged) { 12862 if (origin.file != null) { 12863 installFlags |= PackageManager.INSTALL_INTERNAL; 12864 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12865 } else if (origin.cid != null) { 12866 installFlags |= PackageManager.INSTALL_EXTERNAL; 12867 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12868 } else { 12869 throw new IllegalStateException("Invalid stage location"); 12870 } 12871 } 12872 12873 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12874 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12875 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12876 PackageInfoLite pkgLite = null; 12877 12878 if (onInt && onSd) { 12879 // Check if both bits are set. 12880 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12881 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12882 } else if (onSd && ephemeral) { 12883 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12884 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12885 } else { 12886 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12887 packageAbiOverride); 12888 12889 if (DEBUG_EPHEMERAL && ephemeral) { 12890 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12891 } 12892 12893 /* 12894 * If we have too little free space, try to free cache 12895 * before giving up. 12896 */ 12897 if (!origin.staged && pkgLite.recommendedInstallLocation 12898 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12899 // TODO: focus freeing disk space on the target device 12900 final StorageManager storage = StorageManager.from(mContext); 12901 final long lowThreshold = storage.getStorageLowBytes( 12902 Environment.getDataDirectory()); 12903 12904 final long sizeBytes = mContainerService.calculateInstalledSize( 12905 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12906 12907 try { 12908 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12909 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12910 installFlags, packageAbiOverride); 12911 } catch (InstallerException e) { 12912 Slog.w(TAG, "Failed to free cache", e); 12913 } 12914 12915 /* 12916 * The cache free must have deleted the file we 12917 * downloaded to install. 12918 * 12919 * TODO: fix the "freeCache" call to not delete 12920 * the file we care about. 12921 */ 12922 if (pkgLite.recommendedInstallLocation 12923 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12924 pkgLite.recommendedInstallLocation 12925 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12926 } 12927 } 12928 } 12929 12930 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12931 int loc = pkgLite.recommendedInstallLocation; 12932 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12933 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12934 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12935 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12936 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12937 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12938 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12939 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12940 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12941 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12942 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12943 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12944 } else { 12945 // Override with defaults if needed. 12946 loc = installLocationPolicy(pkgLite); 12947 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12948 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12949 } else if (!onSd && !onInt) { 12950 // Override install location with flags 12951 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12952 // Set the flag to install on external media. 12953 installFlags |= PackageManager.INSTALL_EXTERNAL; 12954 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12955 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12956 if (DEBUG_EPHEMERAL) { 12957 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12958 } 12959 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12960 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12961 |PackageManager.INSTALL_INTERNAL); 12962 } else { 12963 // Make sure the flag for installing on external 12964 // media is unset 12965 installFlags |= PackageManager.INSTALL_INTERNAL; 12966 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12967 } 12968 } 12969 } 12970 } 12971 12972 final InstallArgs args = createInstallArgs(this); 12973 mArgs = args; 12974 12975 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12976 // TODO: http://b/22976637 12977 // Apps installed for "all" users use the device owner to verify the app 12978 UserHandle verifierUser = getUser(); 12979 if (verifierUser == UserHandle.ALL) { 12980 verifierUser = UserHandle.SYSTEM; 12981 } 12982 12983 /* 12984 * Determine if we have any installed package verifiers. If we 12985 * do, then we'll defer to them to verify the packages. 12986 */ 12987 final int requiredUid = mRequiredVerifierPackage == null ? -1 12988 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12989 verifierUser.getIdentifier()); 12990 if (!origin.existing && requiredUid != -1 12991 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12992 final Intent verification = new Intent( 12993 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12994 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12995 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12996 PACKAGE_MIME_TYPE); 12997 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12998 12999 // Query all live verifiers based on current user state 13000 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 13001 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 13002 13003 if (DEBUG_VERIFY) { 13004 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 13005 + verification.toString() + " with " + pkgLite.verifiers.length 13006 + " optional verifiers"); 13007 } 13008 13009 final int verificationId = mPendingVerificationToken++; 13010 13011 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13012 13013 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13014 installerPackageName); 13015 13016 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13017 installFlags); 13018 13019 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13020 pkgLite.packageName); 13021 13022 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13023 pkgLite.versionCode); 13024 13025 if (verificationInfo != null) { 13026 if (verificationInfo.originatingUri != null) { 13027 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13028 verificationInfo.originatingUri); 13029 } 13030 if (verificationInfo.referrer != null) { 13031 verification.putExtra(Intent.EXTRA_REFERRER, 13032 verificationInfo.referrer); 13033 } 13034 if (verificationInfo.originatingUid >= 0) { 13035 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13036 verificationInfo.originatingUid); 13037 } 13038 if (verificationInfo.installerUid >= 0) { 13039 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13040 verificationInfo.installerUid); 13041 } 13042 } 13043 13044 final PackageVerificationState verificationState = new PackageVerificationState( 13045 requiredUid, args); 13046 13047 mPendingVerification.append(verificationId, verificationState); 13048 13049 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13050 receivers, verificationState); 13051 13052 /* 13053 * If any sufficient verifiers were listed in the package 13054 * manifest, attempt to ask them. 13055 */ 13056 if (sufficientVerifiers != null) { 13057 final int N = sufficientVerifiers.size(); 13058 if (N == 0) { 13059 Slog.i(TAG, "Additional verifiers required, but none installed."); 13060 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13061 } else { 13062 for (int i = 0; i < N; i++) { 13063 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13064 13065 final Intent sufficientIntent = new Intent(verification); 13066 sufficientIntent.setComponent(verifierComponent); 13067 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13068 } 13069 } 13070 } 13071 13072 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13073 mRequiredVerifierPackage, receivers); 13074 if (ret == PackageManager.INSTALL_SUCCEEDED 13075 && mRequiredVerifierPackage != null) { 13076 Trace.asyncTraceBegin( 13077 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13078 /* 13079 * Send the intent to the required verification agent, 13080 * but only start the verification timeout after the 13081 * target BroadcastReceivers have run. 13082 */ 13083 verification.setComponent(requiredVerifierComponent); 13084 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13085 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13086 new BroadcastReceiver() { 13087 @Override 13088 public void onReceive(Context context, Intent intent) { 13089 final Message msg = mHandler 13090 .obtainMessage(CHECK_PENDING_VERIFICATION); 13091 msg.arg1 = verificationId; 13092 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13093 } 13094 }, null, 0, null, null); 13095 13096 /* 13097 * We don't want the copy to proceed until verification 13098 * succeeds, so null out this field. 13099 */ 13100 mArgs = null; 13101 } 13102 } else { 13103 /* 13104 * No package verification is enabled, so immediately start 13105 * the remote call to initiate copy using temporary file. 13106 */ 13107 ret = args.copyApk(mContainerService, true); 13108 } 13109 } 13110 13111 mRet = ret; 13112 } 13113 13114 @Override 13115 void handleReturnCode() { 13116 // If mArgs is null, then MCS couldn't be reached. When it 13117 // reconnects, it will try again to install. At that point, this 13118 // will succeed. 13119 if (mArgs != null) { 13120 processPendingInstall(mArgs, mRet); 13121 } 13122 } 13123 13124 @Override 13125 void handleServiceError() { 13126 mArgs = createInstallArgs(this); 13127 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13128 } 13129 13130 public boolean isForwardLocked() { 13131 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13132 } 13133 } 13134 13135 /** 13136 * Used during creation of InstallArgs 13137 * 13138 * @param installFlags package installation flags 13139 * @return true if should be installed on external storage 13140 */ 13141 private static boolean installOnExternalAsec(int installFlags) { 13142 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13143 return false; 13144 } 13145 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13146 return true; 13147 } 13148 return false; 13149 } 13150 13151 /** 13152 * Used during creation of InstallArgs 13153 * 13154 * @param installFlags package installation flags 13155 * @return true if should be installed as forward locked 13156 */ 13157 private static boolean installForwardLocked(int installFlags) { 13158 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13159 } 13160 13161 private InstallArgs createInstallArgs(InstallParams params) { 13162 if (params.move != null) { 13163 return new MoveInstallArgs(params); 13164 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13165 return new AsecInstallArgs(params); 13166 } else { 13167 return new FileInstallArgs(params); 13168 } 13169 } 13170 13171 /** 13172 * Create args that describe an existing installed package. Typically used 13173 * when cleaning up old installs, or used as a move source. 13174 */ 13175 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13176 String resourcePath, String[] instructionSets) { 13177 final boolean isInAsec; 13178 if (installOnExternalAsec(installFlags)) { 13179 /* Apps on SD card are always in ASEC containers. */ 13180 isInAsec = true; 13181 } else if (installForwardLocked(installFlags) 13182 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13183 /* 13184 * Forward-locked apps are only in ASEC containers if they're the 13185 * new style 13186 */ 13187 isInAsec = true; 13188 } else { 13189 isInAsec = false; 13190 } 13191 13192 if (isInAsec) { 13193 return new AsecInstallArgs(codePath, instructionSets, 13194 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13195 } else { 13196 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13197 } 13198 } 13199 13200 static abstract class InstallArgs { 13201 /** @see InstallParams#origin */ 13202 final OriginInfo origin; 13203 /** @see InstallParams#move */ 13204 final MoveInfo move; 13205 13206 final IPackageInstallObserver2 observer; 13207 // Always refers to PackageManager flags only 13208 final int installFlags; 13209 final String installerPackageName; 13210 final String volumeUuid; 13211 final UserHandle user; 13212 final String abiOverride; 13213 final String[] installGrantPermissions; 13214 /** If non-null, drop an async trace when the install completes */ 13215 final String traceMethod; 13216 final int traceCookie; 13217 final Certificate[][] certificates; 13218 13219 // The list of instruction sets supported by this app. This is currently 13220 // only used during the rmdex() phase to clean up resources. We can get rid of this 13221 // if we move dex files under the common app path. 13222 /* nullable */ String[] instructionSets; 13223 13224 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13225 int installFlags, String installerPackageName, String volumeUuid, 13226 UserHandle user, String[] instructionSets, 13227 String abiOverride, String[] installGrantPermissions, 13228 String traceMethod, int traceCookie, Certificate[][] certificates) { 13229 this.origin = origin; 13230 this.move = move; 13231 this.installFlags = installFlags; 13232 this.observer = observer; 13233 this.installerPackageName = installerPackageName; 13234 this.volumeUuid = volumeUuid; 13235 this.user = user; 13236 this.instructionSets = instructionSets; 13237 this.abiOverride = abiOverride; 13238 this.installGrantPermissions = installGrantPermissions; 13239 this.traceMethod = traceMethod; 13240 this.traceCookie = traceCookie; 13241 this.certificates = certificates; 13242 } 13243 13244 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13245 abstract int doPreInstall(int status); 13246 13247 /** 13248 * Rename package into final resting place. All paths on the given 13249 * scanned package should be updated to reflect the rename. 13250 */ 13251 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13252 abstract int doPostInstall(int status, int uid); 13253 13254 /** @see PackageSettingBase#codePathString */ 13255 abstract String getCodePath(); 13256 /** @see PackageSettingBase#resourcePathString */ 13257 abstract String getResourcePath(); 13258 13259 // Need installer lock especially for dex file removal. 13260 abstract void cleanUpResourcesLI(); 13261 abstract boolean doPostDeleteLI(boolean delete); 13262 13263 /** 13264 * Called before the source arguments are copied. This is used mostly 13265 * for MoveParams when it needs to read the source file to put it in the 13266 * destination. 13267 */ 13268 int doPreCopy() { 13269 return PackageManager.INSTALL_SUCCEEDED; 13270 } 13271 13272 /** 13273 * Called after the source arguments are copied. This is used mostly for 13274 * MoveParams when it needs to read the source file to put it in the 13275 * destination. 13276 */ 13277 int doPostCopy(int uid) { 13278 return PackageManager.INSTALL_SUCCEEDED; 13279 } 13280 13281 protected boolean isFwdLocked() { 13282 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13283 } 13284 13285 protected boolean isExternalAsec() { 13286 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13287 } 13288 13289 protected boolean isEphemeral() { 13290 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13291 } 13292 13293 UserHandle getUser() { 13294 return user; 13295 } 13296 } 13297 13298 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13299 if (!allCodePaths.isEmpty()) { 13300 if (instructionSets == null) { 13301 throw new IllegalStateException("instructionSet == null"); 13302 } 13303 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13304 for (String codePath : allCodePaths) { 13305 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13306 try { 13307 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13308 } catch (InstallerException ignored) { 13309 } 13310 } 13311 } 13312 } 13313 } 13314 13315 /** 13316 * Logic to handle installation of non-ASEC applications, including copying 13317 * and renaming logic. 13318 */ 13319 class FileInstallArgs extends InstallArgs { 13320 private File codeFile; 13321 private File resourceFile; 13322 13323 // Example topology: 13324 // /data/app/com.example/base.apk 13325 // /data/app/com.example/split_foo.apk 13326 // /data/app/com.example/lib/arm/libfoo.so 13327 // /data/app/com.example/lib/arm64/libfoo.so 13328 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13329 13330 /** New install */ 13331 FileInstallArgs(InstallParams params) { 13332 super(params.origin, params.move, params.observer, params.installFlags, 13333 params.installerPackageName, params.volumeUuid, 13334 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13335 params.grantedRuntimePermissions, 13336 params.traceMethod, params.traceCookie, params.certificates); 13337 if (isFwdLocked()) { 13338 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13339 } 13340 } 13341 13342 /** Existing install */ 13343 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13344 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13345 null, null, null, 0, null /*certificates*/); 13346 this.codeFile = (codePath != null) ? new File(codePath) : null; 13347 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13348 } 13349 13350 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13351 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13352 try { 13353 return doCopyApk(imcs, temp); 13354 } finally { 13355 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13356 } 13357 } 13358 13359 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13360 if (origin.staged) { 13361 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13362 codeFile = origin.file; 13363 resourceFile = origin.file; 13364 return PackageManager.INSTALL_SUCCEEDED; 13365 } 13366 13367 try { 13368 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13369 final File tempDir = 13370 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13371 codeFile = tempDir; 13372 resourceFile = tempDir; 13373 } catch (IOException e) { 13374 Slog.w(TAG, "Failed to create copy file: " + e); 13375 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13376 } 13377 13378 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13379 @Override 13380 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13381 if (!FileUtils.isValidExtFilename(name)) { 13382 throw new IllegalArgumentException("Invalid filename: " + name); 13383 } 13384 try { 13385 final File file = new File(codeFile, name); 13386 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13387 O_RDWR | O_CREAT, 0644); 13388 Os.chmod(file.getAbsolutePath(), 0644); 13389 return new ParcelFileDescriptor(fd); 13390 } catch (ErrnoException e) { 13391 throw new RemoteException("Failed to open: " + e.getMessage()); 13392 } 13393 } 13394 }; 13395 13396 int ret = PackageManager.INSTALL_SUCCEEDED; 13397 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13398 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13399 Slog.e(TAG, "Failed to copy package"); 13400 return ret; 13401 } 13402 13403 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13404 NativeLibraryHelper.Handle handle = null; 13405 try { 13406 handle = NativeLibraryHelper.Handle.create(codeFile); 13407 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13408 abiOverride); 13409 } catch (IOException e) { 13410 Slog.e(TAG, "Copying native libraries failed", e); 13411 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13412 } finally { 13413 IoUtils.closeQuietly(handle); 13414 } 13415 13416 return ret; 13417 } 13418 13419 int doPreInstall(int status) { 13420 if (status != PackageManager.INSTALL_SUCCEEDED) { 13421 cleanUp(); 13422 } 13423 return status; 13424 } 13425 13426 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13427 if (status != PackageManager.INSTALL_SUCCEEDED) { 13428 cleanUp(); 13429 return false; 13430 } 13431 13432 final File targetDir = codeFile.getParentFile(); 13433 final File beforeCodeFile = codeFile; 13434 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13435 13436 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13437 try { 13438 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13439 } catch (ErrnoException e) { 13440 Slog.w(TAG, "Failed to rename", e); 13441 return false; 13442 } 13443 13444 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13445 Slog.w(TAG, "Failed to restorecon"); 13446 return false; 13447 } 13448 13449 // Reflect the rename internally 13450 codeFile = afterCodeFile; 13451 resourceFile = afterCodeFile; 13452 13453 // Reflect the rename in scanned details 13454 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13455 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13456 afterCodeFile, pkg.baseCodePath)); 13457 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13458 afterCodeFile, pkg.splitCodePaths)); 13459 13460 // Reflect the rename in app info 13461 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13462 pkg.setApplicationInfoCodePath(pkg.codePath); 13463 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13464 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13465 pkg.setApplicationInfoResourcePath(pkg.codePath); 13466 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13467 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13468 13469 return true; 13470 } 13471 13472 int doPostInstall(int status, int uid) { 13473 if (status != PackageManager.INSTALL_SUCCEEDED) { 13474 cleanUp(); 13475 } 13476 return status; 13477 } 13478 13479 @Override 13480 String getCodePath() { 13481 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13482 } 13483 13484 @Override 13485 String getResourcePath() { 13486 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13487 } 13488 13489 private boolean cleanUp() { 13490 if (codeFile == null || !codeFile.exists()) { 13491 return false; 13492 } 13493 13494 removeCodePathLI(codeFile); 13495 13496 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13497 resourceFile.delete(); 13498 } 13499 13500 return true; 13501 } 13502 13503 void cleanUpResourcesLI() { 13504 // Try enumerating all code paths before deleting 13505 List<String> allCodePaths = Collections.EMPTY_LIST; 13506 if (codeFile != null && codeFile.exists()) { 13507 try { 13508 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13509 allCodePaths = pkg.getAllCodePaths(); 13510 } catch (PackageParserException e) { 13511 // Ignored; we tried our best 13512 } 13513 } 13514 13515 cleanUp(); 13516 removeDexFiles(allCodePaths, instructionSets); 13517 } 13518 13519 boolean doPostDeleteLI(boolean delete) { 13520 // XXX err, shouldn't we respect the delete flag? 13521 cleanUpResourcesLI(); 13522 return true; 13523 } 13524 } 13525 13526 private boolean isAsecExternal(String cid) { 13527 final String asecPath = PackageHelper.getSdFilesystem(cid); 13528 return !asecPath.startsWith(mAsecInternalPath); 13529 } 13530 13531 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13532 PackageManagerException { 13533 if (copyRet < 0) { 13534 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13535 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13536 throw new PackageManagerException(copyRet, message); 13537 } 13538 } 13539 } 13540 13541 /** 13542 * Extract the MountService "container ID" from the full code path of an 13543 * .apk. 13544 */ 13545 static String cidFromCodePath(String fullCodePath) { 13546 int eidx = fullCodePath.lastIndexOf("/"); 13547 String subStr1 = fullCodePath.substring(0, eidx); 13548 int sidx = subStr1.lastIndexOf("/"); 13549 return subStr1.substring(sidx+1, eidx); 13550 } 13551 13552 /** 13553 * Logic to handle installation of ASEC applications, including copying and 13554 * renaming logic. 13555 */ 13556 class AsecInstallArgs extends InstallArgs { 13557 static final String RES_FILE_NAME = "pkg.apk"; 13558 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13559 13560 String cid; 13561 String packagePath; 13562 String resourcePath; 13563 13564 /** New install */ 13565 AsecInstallArgs(InstallParams params) { 13566 super(params.origin, params.move, params.observer, params.installFlags, 13567 params.installerPackageName, params.volumeUuid, 13568 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13569 params.grantedRuntimePermissions, 13570 params.traceMethod, params.traceCookie, params.certificates); 13571 } 13572 13573 /** Existing install */ 13574 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13575 boolean isExternal, boolean isForwardLocked) { 13576 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13577 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13578 instructionSets, null, null, null, 0, null /*certificates*/); 13579 // Hackily pretend we're still looking at a full code path 13580 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13581 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13582 } 13583 13584 // Extract cid from fullCodePath 13585 int eidx = fullCodePath.lastIndexOf("/"); 13586 String subStr1 = fullCodePath.substring(0, eidx); 13587 int sidx = subStr1.lastIndexOf("/"); 13588 cid = subStr1.substring(sidx+1, eidx); 13589 setMountPath(subStr1); 13590 } 13591 13592 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13593 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13594 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13595 instructionSets, null, null, null, 0, null /*certificates*/); 13596 this.cid = cid; 13597 setMountPath(PackageHelper.getSdDir(cid)); 13598 } 13599 13600 void createCopyFile() { 13601 cid = mInstallerService.allocateExternalStageCidLegacy(); 13602 } 13603 13604 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13605 if (origin.staged && origin.cid != null) { 13606 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13607 cid = origin.cid; 13608 setMountPath(PackageHelper.getSdDir(cid)); 13609 return PackageManager.INSTALL_SUCCEEDED; 13610 } 13611 13612 if (temp) { 13613 createCopyFile(); 13614 } else { 13615 /* 13616 * Pre-emptively destroy the container since it's destroyed if 13617 * copying fails due to it existing anyway. 13618 */ 13619 PackageHelper.destroySdDir(cid); 13620 } 13621 13622 final String newMountPath = imcs.copyPackageToContainer( 13623 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13624 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13625 13626 if (newMountPath != null) { 13627 setMountPath(newMountPath); 13628 return PackageManager.INSTALL_SUCCEEDED; 13629 } else { 13630 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13631 } 13632 } 13633 13634 @Override 13635 String getCodePath() { 13636 return packagePath; 13637 } 13638 13639 @Override 13640 String getResourcePath() { 13641 return resourcePath; 13642 } 13643 13644 int doPreInstall(int status) { 13645 if (status != PackageManager.INSTALL_SUCCEEDED) { 13646 // Destroy container 13647 PackageHelper.destroySdDir(cid); 13648 } else { 13649 boolean mounted = PackageHelper.isContainerMounted(cid); 13650 if (!mounted) { 13651 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13652 Process.SYSTEM_UID); 13653 if (newMountPath != null) { 13654 setMountPath(newMountPath); 13655 } else { 13656 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13657 } 13658 } 13659 } 13660 return status; 13661 } 13662 13663 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13664 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13665 String newMountPath = null; 13666 if (PackageHelper.isContainerMounted(cid)) { 13667 // Unmount the container 13668 if (!PackageHelper.unMountSdDir(cid)) { 13669 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13670 return false; 13671 } 13672 } 13673 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13674 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13675 " which might be stale. Will try to clean up."); 13676 // Clean up the stale container and proceed to recreate. 13677 if (!PackageHelper.destroySdDir(newCacheId)) { 13678 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13679 return false; 13680 } 13681 // Successfully cleaned up stale container. Try to rename again. 13682 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13683 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13684 + " inspite of cleaning it up."); 13685 return false; 13686 } 13687 } 13688 if (!PackageHelper.isContainerMounted(newCacheId)) { 13689 Slog.w(TAG, "Mounting container " + newCacheId); 13690 newMountPath = PackageHelper.mountSdDir(newCacheId, 13691 getEncryptKey(), Process.SYSTEM_UID); 13692 } else { 13693 newMountPath = PackageHelper.getSdDir(newCacheId); 13694 } 13695 if (newMountPath == null) { 13696 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13697 return false; 13698 } 13699 Log.i(TAG, "Succesfully renamed " + cid + 13700 " to " + newCacheId + 13701 " at new path: " + newMountPath); 13702 cid = newCacheId; 13703 13704 final File beforeCodeFile = new File(packagePath); 13705 setMountPath(newMountPath); 13706 final File afterCodeFile = new File(packagePath); 13707 13708 // Reflect the rename in scanned details 13709 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13710 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13711 afterCodeFile, pkg.baseCodePath)); 13712 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13713 afterCodeFile, pkg.splitCodePaths)); 13714 13715 // Reflect the rename in app info 13716 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13717 pkg.setApplicationInfoCodePath(pkg.codePath); 13718 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13719 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13720 pkg.setApplicationInfoResourcePath(pkg.codePath); 13721 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13722 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13723 13724 return true; 13725 } 13726 13727 private void setMountPath(String mountPath) { 13728 final File mountFile = new File(mountPath); 13729 13730 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13731 if (monolithicFile.exists()) { 13732 packagePath = monolithicFile.getAbsolutePath(); 13733 if (isFwdLocked()) { 13734 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13735 } else { 13736 resourcePath = packagePath; 13737 } 13738 } else { 13739 packagePath = mountFile.getAbsolutePath(); 13740 resourcePath = packagePath; 13741 } 13742 } 13743 13744 int doPostInstall(int status, int uid) { 13745 if (status != PackageManager.INSTALL_SUCCEEDED) { 13746 cleanUp(); 13747 } else { 13748 final int groupOwner; 13749 final String protectedFile; 13750 if (isFwdLocked()) { 13751 groupOwner = UserHandle.getSharedAppGid(uid); 13752 protectedFile = RES_FILE_NAME; 13753 } else { 13754 groupOwner = -1; 13755 protectedFile = null; 13756 } 13757 13758 if (uid < Process.FIRST_APPLICATION_UID 13759 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13760 Slog.e(TAG, "Failed to finalize " + cid); 13761 PackageHelper.destroySdDir(cid); 13762 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13763 } 13764 13765 boolean mounted = PackageHelper.isContainerMounted(cid); 13766 if (!mounted) { 13767 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13768 } 13769 } 13770 return status; 13771 } 13772 13773 private void cleanUp() { 13774 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13775 13776 // Destroy secure container 13777 PackageHelper.destroySdDir(cid); 13778 } 13779 13780 private List<String> getAllCodePaths() { 13781 final File codeFile = new File(getCodePath()); 13782 if (codeFile != null && codeFile.exists()) { 13783 try { 13784 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13785 return pkg.getAllCodePaths(); 13786 } catch (PackageParserException e) { 13787 // Ignored; we tried our best 13788 } 13789 } 13790 return Collections.EMPTY_LIST; 13791 } 13792 13793 void cleanUpResourcesLI() { 13794 // Enumerate all code paths before deleting 13795 cleanUpResourcesLI(getAllCodePaths()); 13796 } 13797 13798 private void cleanUpResourcesLI(List<String> allCodePaths) { 13799 cleanUp(); 13800 removeDexFiles(allCodePaths, instructionSets); 13801 } 13802 13803 String getPackageName() { 13804 return getAsecPackageName(cid); 13805 } 13806 13807 boolean doPostDeleteLI(boolean delete) { 13808 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13809 final List<String> allCodePaths = getAllCodePaths(); 13810 boolean mounted = PackageHelper.isContainerMounted(cid); 13811 if (mounted) { 13812 // Unmount first 13813 if (PackageHelper.unMountSdDir(cid)) { 13814 mounted = false; 13815 } 13816 } 13817 if (!mounted && delete) { 13818 cleanUpResourcesLI(allCodePaths); 13819 } 13820 return !mounted; 13821 } 13822 13823 @Override 13824 int doPreCopy() { 13825 if (isFwdLocked()) { 13826 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13827 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13828 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13829 } 13830 } 13831 13832 return PackageManager.INSTALL_SUCCEEDED; 13833 } 13834 13835 @Override 13836 int doPostCopy(int uid) { 13837 if (isFwdLocked()) { 13838 if (uid < Process.FIRST_APPLICATION_UID 13839 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13840 RES_FILE_NAME)) { 13841 Slog.e(TAG, "Failed to finalize " + cid); 13842 PackageHelper.destroySdDir(cid); 13843 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13844 } 13845 } 13846 13847 return PackageManager.INSTALL_SUCCEEDED; 13848 } 13849 } 13850 13851 /** 13852 * Logic to handle movement of existing installed applications. 13853 */ 13854 class MoveInstallArgs extends InstallArgs { 13855 private File codeFile; 13856 private File resourceFile; 13857 13858 /** New install */ 13859 MoveInstallArgs(InstallParams params) { 13860 super(params.origin, params.move, params.observer, params.installFlags, 13861 params.installerPackageName, params.volumeUuid, 13862 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13863 params.grantedRuntimePermissions, 13864 params.traceMethod, params.traceCookie, params.certificates); 13865 } 13866 13867 int copyApk(IMediaContainerService imcs, boolean temp) { 13868 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13869 + move.fromUuid + " to " + move.toUuid); 13870 synchronized (mInstaller) { 13871 try { 13872 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13873 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13874 } catch (InstallerException e) { 13875 Slog.w(TAG, "Failed to move app", e); 13876 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13877 } 13878 } 13879 13880 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13881 resourceFile = codeFile; 13882 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13883 13884 return PackageManager.INSTALL_SUCCEEDED; 13885 } 13886 13887 int doPreInstall(int status) { 13888 if (status != PackageManager.INSTALL_SUCCEEDED) { 13889 cleanUp(move.toUuid); 13890 } 13891 return status; 13892 } 13893 13894 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13895 if (status != PackageManager.INSTALL_SUCCEEDED) { 13896 cleanUp(move.toUuid); 13897 return false; 13898 } 13899 13900 // Reflect the move in app info 13901 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13902 pkg.setApplicationInfoCodePath(pkg.codePath); 13903 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13904 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13905 pkg.setApplicationInfoResourcePath(pkg.codePath); 13906 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13907 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13908 13909 return true; 13910 } 13911 13912 int doPostInstall(int status, int uid) { 13913 if (status == PackageManager.INSTALL_SUCCEEDED) { 13914 cleanUp(move.fromUuid); 13915 } else { 13916 cleanUp(move.toUuid); 13917 } 13918 return status; 13919 } 13920 13921 @Override 13922 String getCodePath() { 13923 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13924 } 13925 13926 @Override 13927 String getResourcePath() { 13928 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13929 } 13930 13931 private boolean cleanUp(String volumeUuid) { 13932 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13933 move.dataAppName); 13934 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13935 final int[] userIds = sUserManager.getUserIds(); 13936 synchronized (mInstallLock) { 13937 // Clean up both app data and code 13938 // All package moves are frozen until finished 13939 for (int userId : userIds) { 13940 try { 13941 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13942 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13943 } catch (InstallerException e) { 13944 Slog.w(TAG, String.valueOf(e)); 13945 } 13946 } 13947 removeCodePathLI(codeFile); 13948 } 13949 return true; 13950 } 13951 13952 void cleanUpResourcesLI() { 13953 throw new UnsupportedOperationException(); 13954 } 13955 13956 boolean doPostDeleteLI(boolean delete) { 13957 throw new UnsupportedOperationException(); 13958 } 13959 } 13960 13961 static String getAsecPackageName(String packageCid) { 13962 int idx = packageCid.lastIndexOf("-"); 13963 if (idx == -1) { 13964 return packageCid; 13965 } 13966 return packageCid.substring(0, idx); 13967 } 13968 13969 // Utility method used to create code paths based on package name and available index. 13970 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13971 String idxStr = ""; 13972 int idx = 1; 13973 // Fall back to default value of idx=1 if prefix is not 13974 // part of oldCodePath 13975 if (oldCodePath != null) { 13976 String subStr = oldCodePath; 13977 // Drop the suffix right away 13978 if (suffix != null && subStr.endsWith(suffix)) { 13979 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13980 } 13981 // If oldCodePath already contains prefix find out the 13982 // ending index to either increment or decrement. 13983 int sidx = subStr.lastIndexOf(prefix); 13984 if (sidx != -1) { 13985 subStr = subStr.substring(sidx + prefix.length()); 13986 if (subStr != null) { 13987 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13988 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13989 } 13990 try { 13991 idx = Integer.parseInt(subStr); 13992 if (idx <= 1) { 13993 idx++; 13994 } else { 13995 idx--; 13996 } 13997 } catch(NumberFormatException e) { 13998 } 13999 } 14000 } 14001 } 14002 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 14003 return prefix + idxStr; 14004 } 14005 14006 private File getNextCodePath(File targetDir, String packageName) { 14007 int suffix = 1; 14008 File result; 14009 do { 14010 result = new File(targetDir, packageName + "-" + suffix); 14011 suffix++; 14012 } while (result.exists()); 14013 return result; 14014 } 14015 14016 // Utility method that returns the relative package path with respect 14017 // to the installation directory. Like say for /data/data/com.test-1.apk 14018 // string com.test-1 is returned. 14019 static String deriveCodePathName(String codePath) { 14020 if (codePath == null) { 14021 return null; 14022 } 14023 final File codeFile = new File(codePath); 14024 final String name = codeFile.getName(); 14025 if (codeFile.isDirectory()) { 14026 return name; 14027 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14028 final int lastDot = name.lastIndexOf('.'); 14029 return name.substring(0, lastDot); 14030 } else { 14031 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14032 return null; 14033 } 14034 } 14035 14036 static class PackageInstalledInfo { 14037 String name; 14038 int uid; 14039 // The set of users that originally had this package installed. 14040 int[] origUsers; 14041 // The set of users that now have this package installed. 14042 int[] newUsers; 14043 PackageParser.Package pkg; 14044 int returnCode; 14045 String returnMsg; 14046 PackageRemovedInfo removedInfo; 14047 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14048 14049 public void setError(int code, String msg) { 14050 setReturnCode(code); 14051 setReturnMessage(msg); 14052 Slog.w(TAG, msg); 14053 } 14054 14055 public void setError(String msg, PackageParserException e) { 14056 setReturnCode(e.error); 14057 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14058 Slog.w(TAG, msg, e); 14059 } 14060 14061 public void setError(String msg, PackageManagerException e) { 14062 returnCode = e.error; 14063 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14064 Slog.w(TAG, msg, e); 14065 } 14066 14067 public void setReturnCode(int returnCode) { 14068 this.returnCode = returnCode; 14069 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14070 for (int i = 0; i < childCount; i++) { 14071 addedChildPackages.valueAt(i).returnCode = returnCode; 14072 } 14073 } 14074 14075 private void setReturnMessage(String returnMsg) { 14076 this.returnMsg = returnMsg; 14077 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14078 for (int i = 0; i < childCount; i++) { 14079 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14080 } 14081 } 14082 14083 // In some error cases we want to convey more info back to the observer 14084 String origPackage; 14085 String origPermission; 14086 } 14087 14088 /* 14089 * Install a non-existing package. 14090 */ 14091 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14092 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14093 PackageInstalledInfo res) { 14094 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14095 14096 // Remember this for later, in case we need to rollback this install 14097 String pkgName = pkg.packageName; 14098 14099 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14100 14101 synchronized(mPackages) { 14102 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 14103 // A package with the same name is already installed, though 14104 // it has been renamed to an older name. The package we 14105 // are trying to install should be installed as an update to 14106 // the existing one, but that has not been requested, so bail. 14107 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14108 + " without first uninstalling package running as " 14109 + mSettings.mRenamedPackages.get(pkgName)); 14110 return; 14111 } 14112 if (mPackages.containsKey(pkgName)) { 14113 // Don't allow installation over an existing package with the same name. 14114 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14115 + " without first uninstalling."); 14116 return; 14117 } 14118 } 14119 14120 try { 14121 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14122 System.currentTimeMillis(), user); 14123 14124 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14125 14126 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14127 prepareAppDataAfterInstallLIF(newPackage); 14128 14129 } else { 14130 // Remove package from internal structures, but keep around any 14131 // data that might have already existed 14132 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14133 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14134 } 14135 } catch (PackageManagerException e) { 14136 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14137 } 14138 14139 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14140 } 14141 14142 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14143 // Can't rotate keys during boot or if sharedUser. 14144 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14145 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14146 return false; 14147 } 14148 // app is using upgradeKeySets; make sure all are valid 14149 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14150 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14151 for (int i = 0; i < upgradeKeySets.length; i++) { 14152 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14153 Slog.wtf(TAG, "Package " 14154 + (oldPs.name != null ? oldPs.name : "<null>") 14155 + " contains upgrade-key-set reference to unknown key-set: " 14156 + upgradeKeySets[i] 14157 + " reverting to signatures check."); 14158 return false; 14159 } 14160 } 14161 return true; 14162 } 14163 14164 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14165 // Upgrade keysets are being used. Determine if new package has a superset of the 14166 // required keys. 14167 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14168 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14169 for (int i = 0; i < upgradeKeySets.length; i++) { 14170 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14171 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14172 return true; 14173 } 14174 } 14175 return false; 14176 } 14177 14178 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14179 try (DigestInputStream digestStream = 14180 new DigestInputStream(new FileInputStream(file), digest)) { 14181 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14182 } 14183 } 14184 14185 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14186 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14187 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14188 14189 final PackageParser.Package oldPackage; 14190 final String pkgName = pkg.packageName; 14191 final int[] allUsers; 14192 final int[] installedUsers; 14193 14194 synchronized(mPackages) { 14195 oldPackage = mPackages.get(pkgName); 14196 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14197 14198 // don't allow upgrade to target a release SDK from a pre-release SDK 14199 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14200 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14201 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14202 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14203 if (oldTargetsPreRelease 14204 && !newTargetsPreRelease 14205 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14206 Slog.w(TAG, "Can't install package targeting released sdk"); 14207 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14208 return; 14209 } 14210 14211 // don't allow an upgrade from full to ephemeral 14212 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14213 if (isEphemeral && !oldIsEphemeral) { 14214 // can't downgrade from full to ephemeral 14215 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14216 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14217 return; 14218 } 14219 14220 // verify signatures are valid 14221 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14222 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14223 if (!checkUpgradeKeySetLP(ps, pkg)) { 14224 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14225 "New package not signed by keys specified by upgrade-keysets: " 14226 + pkgName); 14227 return; 14228 } 14229 } else { 14230 // default to original signature matching 14231 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14232 != PackageManager.SIGNATURE_MATCH) { 14233 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14234 "New package has a different signature: " + pkgName); 14235 return; 14236 } 14237 } 14238 14239 // don't allow a system upgrade unless the upgrade hash matches 14240 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14241 byte[] digestBytes = null; 14242 try { 14243 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14244 updateDigest(digest, new File(pkg.baseCodePath)); 14245 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14246 for (String path : pkg.splitCodePaths) { 14247 updateDigest(digest, new File(path)); 14248 } 14249 } 14250 digestBytes = digest.digest(); 14251 } catch (NoSuchAlgorithmException | IOException e) { 14252 res.setError(INSTALL_FAILED_INVALID_APK, 14253 "Could not compute hash: " + pkgName); 14254 return; 14255 } 14256 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14257 res.setError(INSTALL_FAILED_INVALID_APK, 14258 "New package fails restrict-update check: " + pkgName); 14259 return; 14260 } 14261 // retain upgrade restriction 14262 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14263 } 14264 14265 // Check for shared user id changes 14266 String invalidPackageName = 14267 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14268 if (invalidPackageName != null) { 14269 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14270 "Package " + invalidPackageName + " tried to change user " 14271 + oldPackage.mSharedUserId); 14272 return; 14273 } 14274 14275 // In case of rollback, remember per-user/profile install state 14276 allUsers = sUserManager.getUserIds(); 14277 installedUsers = ps.queryInstalledUsers(allUsers, true); 14278 } 14279 14280 // Update what is removed 14281 res.removedInfo = new PackageRemovedInfo(); 14282 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14283 res.removedInfo.removedPackage = oldPackage.packageName; 14284 res.removedInfo.isUpdate = true; 14285 res.removedInfo.origUsers = installedUsers; 14286 final int childCount = (oldPackage.childPackages != null) 14287 ? oldPackage.childPackages.size() : 0; 14288 for (int i = 0; i < childCount; i++) { 14289 boolean childPackageUpdated = false; 14290 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14291 if (res.addedChildPackages != null) { 14292 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14293 if (childRes != null) { 14294 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14295 childRes.removedInfo.removedPackage = childPkg.packageName; 14296 childRes.removedInfo.isUpdate = true; 14297 childPackageUpdated = true; 14298 } 14299 } 14300 if (!childPackageUpdated) { 14301 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14302 childRemovedRes.removedPackage = childPkg.packageName; 14303 childRemovedRes.isUpdate = false; 14304 childRemovedRes.dataRemoved = true; 14305 synchronized (mPackages) { 14306 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14307 if (childPs != null) { 14308 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14309 } 14310 } 14311 if (res.removedInfo.removedChildPackages == null) { 14312 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14313 } 14314 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14315 } 14316 } 14317 14318 boolean sysPkg = (isSystemApp(oldPackage)); 14319 if (sysPkg) { 14320 // Set the system/privileged flags as needed 14321 final boolean privileged = 14322 (oldPackage.applicationInfo.privateFlags 14323 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14324 final int systemPolicyFlags = policyFlags 14325 | PackageParser.PARSE_IS_SYSTEM 14326 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14327 14328 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14329 user, allUsers, installerPackageName, res); 14330 } else { 14331 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14332 user, allUsers, installerPackageName, res); 14333 } 14334 } 14335 14336 public List<String> getPreviousCodePaths(String packageName) { 14337 final PackageSetting ps = mSettings.mPackages.get(packageName); 14338 final List<String> result = new ArrayList<String>(); 14339 if (ps != null && ps.oldCodePaths != null) { 14340 result.addAll(ps.oldCodePaths); 14341 } 14342 return result; 14343 } 14344 14345 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14346 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14347 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14348 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14349 + deletedPackage); 14350 14351 String pkgName = deletedPackage.packageName; 14352 boolean deletedPkg = true; 14353 boolean addedPkg = false; 14354 boolean updatedSettings = false; 14355 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14356 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14357 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14358 14359 final long origUpdateTime = (pkg.mExtras != null) 14360 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14361 14362 // First delete the existing package while retaining the data directory 14363 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14364 res.removedInfo, true, pkg)) { 14365 // If the existing package wasn't successfully deleted 14366 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14367 deletedPkg = false; 14368 } else { 14369 // Successfully deleted the old package; proceed with replace. 14370 14371 // If deleted package lived in a container, give users a chance to 14372 // relinquish resources before killing. 14373 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14374 if (DEBUG_INSTALL) { 14375 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14376 } 14377 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14378 final ArrayList<String> pkgList = new ArrayList<String>(1); 14379 pkgList.add(deletedPackage.applicationInfo.packageName); 14380 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14381 } 14382 14383 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14384 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14385 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14386 14387 try { 14388 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14389 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14390 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14391 14392 // Update the in-memory copy of the previous code paths. 14393 PackageSetting ps = mSettings.mPackages.get(pkgName); 14394 if (!killApp) { 14395 if (ps.oldCodePaths == null) { 14396 ps.oldCodePaths = new ArraySet<>(); 14397 } 14398 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14399 if (deletedPackage.splitCodePaths != null) { 14400 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14401 } 14402 } else { 14403 ps.oldCodePaths = null; 14404 } 14405 if (ps.childPackageNames != null) { 14406 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14407 final String childPkgName = ps.childPackageNames.get(i); 14408 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14409 childPs.oldCodePaths = ps.oldCodePaths; 14410 } 14411 } 14412 prepareAppDataAfterInstallLIF(newPackage); 14413 addedPkg = true; 14414 } catch (PackageManagerException e) { 14415 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14416 } 14417 } 14418 14419 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14420 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14421 14422 // Revert all internal state mutations and added folders for the failed install 14423 if (addedPkg) { 14424 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14425 res.removedInfo, true, null); 14426 } 14427 14428 // Restore the old package 14429 if (deletedPkg) { 14430 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14431 File restoreFile = new File(deletedPackage.codePath); 14432 // Parse old package 14433 boolean oldExternal = isExternal(deletedPackage); 14434 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14435 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14436 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14437 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14438 try { 14439 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14440 null); 14441 } catch (PackageManagerException e) { 14442 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14443 + e.getMessage()); 14444 return; 14445 } 14446 14447 synchronized (mPackages) { 14448 // Ensure the installer package name up to date 14449 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14450 14451 // Update permissions for restored package 14452 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14453 14454 mSettings.writeLPr(); 14455 } 14456 14457 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14458 } 14459 } else { 14460 synchronized (mPackages) { 14461 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14462 if (ps != null) { 14463 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14464 if (res.removedInfo.removedChildPackages != null) { 14465 final int childCount = res.removedInfo.removedChildPackages.size(); 14466 // Iterate in reverse as we may modify the collection 14467 for (int i = childCount - 1; i >= 0; i--) { 14468 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14469 if (res.addedChildPackages.containsKey(childPackageName)) { 14470 res.removedInfo.removedChildPackages.removeAt(i); 14471 } else { 14472 PackageRemovedInfo childInfo = res.removedInfo 14473 .removedChildPackages.valueAt(i); 14474 childInfo.removedForAllUsers = mPackages.get( 14475 childInfo.removedPackage) == null; 14476 } 14477 } 14478 } 14479 } 14480 } 14481 } 14482 } 14483 14484 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14485 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14486 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14487 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14488 + ", old=" + deletedPackage); 14489 14490 final boolean disabledSystem; 14491 14492 // Remove existing system package 14493 removePackageLI(deletedPackage, true); 14494 14495 synchronized (mPackages) { 14496 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14497 } 14498 if (!disabledSystem) { 14499 // We didn't need to disable the .apk as a current system package, 14500 // which means we are replacing another update that is already 14501 // installed. We need to make sure to delete the older one's .apk. 14502 res.removedInfo.args = createInstallArgsForExisting(0, 14503 deletedPackage.applicationInfo.getCodePath(), 14504 deletedPackage.applicationInfo.getResourcePath(), 14505 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14506 } else { 14507 res.removedInfo.args = null; 14508 } 14509 14510 // Successfully disabled the old package. Now proceed with re-installation 14511 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14512 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14513 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14514 14515 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14516 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14517 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14518 14519 PackageParser.Package newPackage = null; 14520 try { 14521 // Add the package to the internal data structures 14522 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14523 14524 // Set the update and install times 14525 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14526 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14527 System.currentTimeMillis()); 14528 14529 // Update the package dynamic state if succeeded 14530 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14531 // Now that the install succeeded make sure we remove data 14532 // directories for any child package the update removed. 14533 final int deletedChildCount = (deletedPackage.childPackages != null) 14534 ? deletedPackage.childPackages.size() : 0; 14535 final int newChildCount = (newPackage.childPackages != null) 14536 ? newPackage.childPackages.size() : 0; 14537 for (int i = 0; i < deletedChildCount; i++) { 14538 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14539 boolean childPackageDeleted = true; 14540 for (int j = 0; j < newChildCount; j++) { 14541 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14542 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14543 childPackageDeleted = false; 14544 break; 14545 } 14546 } 14547 if (childPackageDeleted) { 14548 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14549 deletedChildPkg.packageName); 14550 if (ps != null && res.removedInfo.removedChildPackages != null) { 14551 PackageRemovedInfo removedChildRes = res.removedInfo 14552 .removedChildPackages.get(deletedChildPkg.packageName); 14553 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14554 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14555 } 14556 } 14557 } 14558 14559 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14560 prepareAppDataAfterInstallLIF(newPackage); 14561 } 14562 } catch (PackageManagerException e) { 14563 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14564 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14565 } 14566 14567 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14568 // Re installation failed. Restore old information 14569 // Remove new pkg information 14570 if (newPackage != null) { 14571 removeInstalledPackageLI(newPackage, true); 14572 } 14573 // Add back the old system package 14574 try { 14575 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14576 } catch (PackageManagerException e) { 14577 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14578 } 14579 14580 synchronized (mPackages) { 14581 if (disabledSystem) { 14582 enableSystemPackageLPw(deletedPackage); 14583 } 14584 14585 // Ensure the installer package name up to date 14586 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14587 14588 // Update permissions for restored package 14589 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14590 14591 mSettings.writeLPr(); 14592 } 14593 14594 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14595 + " after failed upgrade"); 14596 } 14597 } 14598 14599 /** 14600 * Checks whether the parent or any of the child packages have a change shared 14601 * user. For a package to be a valid update the shred users of the parent and 14602 * the children should match. We may later support changing child shared users. 14603 * @param oldPkg The updated package. 14604 * @param newPkg The update package. 14605 * @return The shared user that change between the versions. 14606 */ 14607 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14608 PackageParser.Package newPkg) { 14609 // Check parent shared user 14610 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14611 return newPkg.packageName; 14612 } 14613 // Check child shared users 14614 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14615 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14616 for (int i = 0; i < newChildCount; i++) { 14617 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14618 // If this child was present, did it have the same shared user? 14619 for (int j = 0; j < oldChildCount; j++) { 14620 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14621 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14622 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14623 return newChildPkg.packageName; 14624 } 14625 } 14626 } 14627 return null; 14628 } 14629 14630 private void removeNativeBinariesLI(PackageSetting ps) { 14631 // Remove the lib path for the parent package 14632 if (ps != null) { 14633 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14634 // Remove the lib path for the child packages 14635 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14636 for (int i = 0; i < childCount; i++) { 14637 PackageSetting childPs = null; 14638 synchronized (mPackages) { 14639 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14640 } 14641 if (childPs != null) { 14642 NativeLibraryHelper.removeNativeBinariesLI(childPs 14643 .legacyNativeLibraryPathString); 14644 } 14645 } 14646 } 14647 } 14648 14649 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14650 // Enable the parent package 14651 mSettings.enableSystemPackageLPw(pkg.packageName); 14652 // Enable the child packages 14653 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14654 for (int i = 0; i < childCount; i++) { 14655 PackageParser.Package childPkg = pkg.childPackages.get(i); 14656 mSettings.enableSystemPackageLPw(childPkg.packageName); 14657 } 14658 } 14659 14660 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14661 PackageParser.Package newPkg) { 14662 // Disable the parent package (parent always replaced) 14663 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14664 // Disable the child packages 14665 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14666 for (int i = 0; i < childCount; i++) { 14667 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14668 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14669 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14670 } 14671 return disabled; 14672 } 14673 14674 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14675 String installerPackageName) { 14676 // Enable the parent package 14677 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14678 // Enable the child packages 14679 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14680 for (int i = 0; i < childCount; i++) { 14681 PackageParser.Package childPkg = pkg.childPackages.get(i); 14682 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14683 } 14684 } 14685 14686 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14687 // Collect all used permissions in the UID 14688 ArraySet<String> usedPermissions = new ArraySet<>(); 14689 final int packageCount = su.packages.size(); 14690 for (int i = 0; i < packageCount; i++) { 14691 PackageSetting ps = su.packages.valueAt(i); 14692 if (ps.pkg == null) { 14693 continue; 14694 } 14695 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14696 for (int j = 0; j < requestedPermCount; j++) { 14697 String permission = ps.pkg.requestedPermissions.get(j); 14698 BasePermission bp = mSettings.mPermissions.get(permission); 14699 if (bp != null) { 14700 usedPermissions.add(permission); 14701 } 14702 } 14703 } 14704 14705 PermissionsState permissionsState = su.getPermissionsState(); 14706 // Prune install permissions 14707 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14708 final int installPermCount = installPermStates.size(); 14709 for (int i = installPermCount - 1; i >= 0; i--) { 14710 PermissionState permissionState = installPermStates.get(i); 14711 if (!usedPermissions.contains(permissionState.getName())) { 14712 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14713 if (bp != null) { 14714 permissionsState.revokeInstallPermission(bp); 14715 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14716 PackageManager.MASK_PERMISSION_FLAGS, 0); 14717 } 14718 } 14719 } 14720 14721 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14722 14723 // Prune runtime permissions 14724 for (int userId : allUserIds) { 14725 List<PermissionState> runtimePermStates = permissionsState 14726 .getRuntimePermissionStates(userId); 14727 final int runtimePermCount = runtimePermStates.size(); 14728 for (int i = runtimePermCount - 1; i >= 0; i--) { 14729 PermissionState permissionState = runtimePermStates.get(i); 14730 if (!usedPermissions.contains(permissionState.getName())) { 14731 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14732 if (bp != null) { 14733 permissionsState.revokeRuntimePermission(bp, userId); 14734 permissionsState.updatePermissionFlags(bp, userId, 14735 PackageManager.MASK_PERMISSION_FLAGS, 0); 14736 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14737 runtimePermissionChangedUserIds, userId); 14738 } 14739 } 14740 } 14741 } 14742 14743 return runtimePermissionChangedUserIds; 14744 } 14745 14746 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14747 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14748 // Update the parent package setting 14749 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14750 res, user); 14751 // Update the child packages setting 14752 final int childCount = (newPackage.childPackages != null) 14753 ? newPackage.childPackages.size() : 0; 14754 for (int i = 0; i < childCount; i++) { 14755 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14756 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14757 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14758 childRes.origUsers, childRes, user); 14759 } 14760 } 14761 14762 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14763 String installerPackageName, int[] allUsers, int[] installedForUsers, 14764 PackageInstalledInfo res, UserHandle user) { 14765 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14766 14767 String pkgName = newPackage.packageName; 14768 synchronized (mPackages) { 14769 //write settings. the installStatus will be incomplete at this stage. 14770 //note that the new package setting would have already been 14771 //added to mPackages. It hasn't been persisted yet. 14772 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14773 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14774 mSettings.writeLPr(); 14775 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14776 } 14777 14778 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14779 synchronized (mPackages) { 14780 updatePermissionsLPw(newPackage.packageName, newPackage, 14781 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14782 ? UPDATE_PERMISSIONS_ALL : 0)); 14783 // For system-bundled packages, we assume that installing an upgraded version 14784 // of the package implies that the user actually wants to run that new code, 14785 // so we enable the package. 14786 PackageSetting ps = mSettings.mPackages.get(pkgName); 14787 final int userId = user.getIdentifier(); 14788 if (ps != null) { 14789 if (isSystemApp(newPackage)) { 14790 if (DEBUG_INSTALL) { 14791 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14792 } 14793 // Enable system package for requested users 14794 if (res.origUsers != null) { 14795 for (int origUserId : res.origUsers) { 14796 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14797 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14798 origUserId, installerPackageName); 14799 } 14800 } 14801 } 14802 // Also convey the prior install/uninstall state 14803 if (allUsers != null && installedForUsers != null) { 14804 for (int currentUserId : allUsers) { 14805 final boolean installed = ArrayUtils.contains( 14806 installedForUsers, currentUserId); 14807 if (DEBUG_INSTALL) { 14808 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14809 } 14810 ps.setInstalled(installed, currentUserId); 14811 } 14812 // these install state changes will be persisted in the 14813 // upcoming call to mSettings.writeLPr(). 14814 } 14815 } 14816 // It's implied that when a user requests installation, they want the app to be 14817 // installed and enabled. 14818 if (userId != UserHandle.USER_ALL) { 14819 ps.setInstalled(true, userId); 14820 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14821 } 14822 } 14823 res.name = pkgName; 14824 res.uid = newPackage.applicationInfo.uid; 14825 res.pkg = newPackage; 14826 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14827 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14828 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14829 //to update install status 14830 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14831 mSettings.writeLPr(); 14832 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14833 } 14834 14835 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14836 } 14837 14838 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14839 try { 14840 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14841 installPackageLI(args, res); 14842 } finally { 14843 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14844 } 14845 } 14846 14847 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14848 final int installFlags = args.installFlags; 14849 final String installerPackageName = args.installerPackageName; 14850 final String volumeUuid = args.volumeUuid; 14851 final File tmpPackageFile = new File(args.getCodePath()); 14852 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14853 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14854 || (args.volumeUuid != null)); 14855 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14856 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14857 boolean replace = false; 14858 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14859 if (args.move != null) { 14860 // moving a complete application; perform an initial scan on the new install location 14861 scanFlags |= SCAN_INITIAL; 14862 } 14863 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14864 scanFlags |= SCAN_DONT_KILL_APP; 14865 } 14866 14867 // Result object to be returned 14868 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14869 14870 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14871 14872 // Sanity check 14873 if (ephemeral && (forwardLocked || onExternal)) { 14874 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14875 + " external=" + onExternal); 14876 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14877 return; 14878 } 14879 14880 // Retrieve PackageSettings and parse package 14881 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14882 | PackageParser.PARSE_ENFORCE_CODE 14883 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14884 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14885 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14886 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14887 PackageParser pp = new PackageParser(); 14888 pp.setSeparateProcesses(mSeparateProcesses); 14889 pp.setDisplayMetrics(mMetrics); 14890 14891 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14892 final PackageParser.Package pkg; 14893 try { 14894 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14895 } catch (PackageParserException e) { 14896 res.setError("Failed parse during installPackageLI", e); 14897 return; 14898 } finally { 14899 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14900 } 14901 14902 // If we are installing a clustered package add results for the children 14903 if (pkg.childPackages != null) { 14904 synchronized (mPackages) { 14905 final int childCount = pkg.childPackages.size(); 14906 for (int i = 0; i < childCount; i++) { 14907 PackageParser.Package childPkg = pkg.childPackages.get(i); 14908 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14909 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14910 childRes.pkg = childPkg; 14911 childRes.name = childPkg.packageName; 14912 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14913 if (childPs != null) { 14914 childRes.origUsers = childPs.queryInstalledUsers( 14915 sUserManager.getUserIds(), true); 14916 } 14917 if ((mPackages.containsKey(childPkg.packageName))) { 14918 childRes.removedInfo = new PackageRemovedInfo(); 14919 childRes.removedInfo.removedPackage = childPkg.packageName; 14920 } 14921 if (res.addedChildPackages == null) { 14922 res.addedChildPackages = new ArrayMap<>(); 14923 } 14924 res.addedChildPackages.put(childPkg.packageName, childRes); 14925 } 14926 } 14927 } 14928 14929 // If package doesn't declare API override, mark that we have an install 14930 // time CPU ABI override. 14931 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14932 pkg.cpuAbiOverride = args.abiOverride; 14933 } 14934 14935 String pkgName = res.name = pkg.packageName; 14936 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14937 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14938 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14939 return; 14940 } 14941 } 14942 14943 try { 14944 // either use what we've been given or parse directly from the APK 14945 if (args.certificates != null) { 14946 try { 14947 PackageParser.populateCertificates(pkg, args.certificates); 14948 } catch (PackageParserException e) { 14949 // there was something wrong with the certificates we were given; 14950 // try to pull them from the APK 14951 PackageParser.collectCertificates(pkg, parseFlags); 14952 } 14953 } else { 14954 PackageParser.collectCertificates(pkg, parseFlags); 14955 } 14956 } catch (PackageParserException e) { 14957 res.setError("Failed collect during installPackageLI", e); 14958 return; 14959 } 14960 14961 // Get rid of all references to package scan path via parser. 14962 pp = null; 14963 String oldCodePath = null; 14964 boolean systemApp = false; 14965 synchronized (mPackages) { 14966 // Check if installing already existing package 14967 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14968 String oldName = mSettings.mRenamedPackages.get(pkgName); 14969 if (pkg.mOriginalPackages != null 14970 && pkg.mOriginalPackages.contains(oldName) 14971 && mPackages.containsKey(oldName)) { 14972 // This package is derived from an original package, 14973 // and this device has been updating from that original 14974 // name. We must continue using the original name, so 14975 // rename the new package here. 14976 pkg.setPackageName(oldName); 14977 pkgName = pkg.packageName; 14978 replace = true; 14979 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14980 + oldName + " pkgName=" + pkgName); 14981 } else if (mPackages.containsKey(pkgName)) { 14982 // This package, under its official name, already exists 14983 // on the device; we should replace it. 14984 replace = true; 14985 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14986 } 14987 14988 // Child packages are installed through the parent package 14989 if (pkg.parentPackage != null) { 14990 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14991 "Package " + pkg.packageName + " is child of package " 14992 + pkg.parentPackage.parentPackage + ". Child packages " 14993 + "can be updated only through the parent package."); 14994 return; 14995 } 14996 14997 if (replace) { 14998 // Prevent apps opting out from runtime permissions 14999 PackageParser.Package oldPackage = mPackages.get(pkgName); 15000 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 15001 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 15002 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 15003 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 15004 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 15005 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 15006 + " doesn't support runtime permissions but the old" 15007 + " target SDK " + oldTargetSdk + " does."); 15008 return; 15009 } 15010 15011 // Prevent installing of child packages 15012 if (oldPackage.parentPackage != null) { 15013 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15014 "Package " + pkg.packageName + " is child of package " 15015 + oldPackage.parentPackage + ". Child packages " 15016 + "can be updated only through the parent package."); 15017 return; 15018 } 15019 } 15020 } 15021 15022 PackageSetting ps = mSettings.mPackages.get(pkgName); 15023 if (ps != null) { 15024 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15025 15026 // Quick sanity check that we're signed correctly if updating; 15027 // we'll check this again later when scanning, but we want to 15028 // bail early here before tripping over redefined permissions. 15029 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15030 if (!checkUpgradeKeySetLP(ps, pkg)) { 15031 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15032 + pkg.packageName + " upgrade keys do not match the " 15033 + "previously installed version"); 15034 return; 15035 } 15036 } else { 15037 try { 15038 verifySignaturesLP(ps, pkg); 15039 } catch (PackageManagerException e) { 15040 res.setError(e.error, e.getMessage()); 15041 return; 15042 } 15043 } 15044 15045 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15046 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15047 systemApp = (ps.pkg.applicationInfo.flags & 15048 ApplicationInfo.FLAG_SYSTEM) != 0; 15049 } 15050 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15051 } 15052 15053 // Check whether the newly-scanned package wants to define an already-defined perm 15054 int N = pkg.permissions.size(); 15055 for (int i = N-1; i >= 0; i--) { 15056 PackageParser.Permission perm = pkg.permissions.get(i); 15057 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15058 if (bp != null) { 15059 // If the defining package is signed with our cert, it's okay. This 15060 // also includes the "updating the same package" case, of course. 15061 // "updating same package" could also involve key-rotation. 15062 final boolean sigsOk; 15063 if (bp.sourcePackage.equals(pkg.packageName) 15064 && (bp.packageSetting instanceof PackageSetting) 15065 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15066 scanFlags))) { 15067 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15068 } else { 15069 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15070 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15071 } 15072 if (!sigsOk) { 15073 // If the owning package is the system itself, we log but allow 15074 // install to proceed; we fail the install on all other permission 15075 // redefinitions. 15076 if (!bp.sourcePackage.equals("android")) { 15077 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15078 + pkg.packageName + " attempting to redeclare permission " 15079 + perm.info.name + " already owned by " + bp.sourcePackage); 15080 res.origPermission = perm.info.name; 15081 res.origPackage = bp.sourcePackage; 15082 return; 15083 } else { 15084 Slog.w(TAG, "Package " + pkg.packageName 15085 + " attempting to redeclare system permission " 15086 + perm.info.name + "; ignoring new declaration"); 15087 pkg.permissions.remove(i); 15088 } 15089 } 15090 } 15091 } 15092 } 15093 15094 if (systemApp) { 15095 if (onExternal) { 15096 // Abort update; system app can't be replaced with app on sdcard 15097 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15098 "Cannot install updates to system apps on sdcard"); 15099 return; 15100 } else if (ephemeral) { 15101 // Abort update; system app can't be replaced with an ephemeral app 15102 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15103 "Cannot update a system app with an ephemeral app"); 15104 return; 15105 } 15106 } 15107 15108 if (args.move != null) { 15109 // We did an in-place move, so dex is ready to roll 15110 scanFlags |= SCAN_NO_DEX; 15111 scanFlags |= SCAN_MOVE; 15112 15113 synchronized (mPackages) { 15114 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15115 if (ps == null) { 15116 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15117 "Missing settings for moved package " + pkgName); 15118 } 15119 15120 // We moved the entire application as-is, so bring over the 15121 // previously derived ABI information. 15122 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15123 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15124 } 15125 15126 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15127 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15128 scanFlags |= SCAN_NO_DEX; 15129 15130 try { 15131 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15132 args.abiOverride : pkg.cpuAbiOverride); 15133 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15134 true /* extract libs */); 15135 } catch (PackageManagerException pme) { 15136 Slog.e(TAG, "Error deriving application ABI", pme); 15137 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15138 return; 15139 } 15140 15141 // Shared libraries for the package need to be updated. 15142 synchronized (mPackages) { 15143 try { 15144 updateSharedLibrariesLPw(pkg, null); 15145 } catch (PackageManagerException e) { 15146 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15147 } 15148 } 15149 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15150 // Do not run PackageDexOptimizer through the local performDexOpt 15151 // method because `pkg` may not be in `mPackages` yet. 15152 // 15153 // Also, don't fail application installs if the dexopt step fails. 15154 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15155 null /* instructionSets */, false /* checkProfiles */, 15156 getCompilerFilterForReason(REASON_INSTALL), 15157 getOrCreateCompilerPackageStats(pkg)); 15158 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15159 15160 // Notify BackgroundDexOptService that the package has been changed. 15161 // If this is an update of a package which used to fail to compile, 15162 // BDOS will remove it from its blacklist. 15163 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15164 } 15165 15166 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15167 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15168 return; 15169 } 15170 15171 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15172 15173 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15174 "installPackageLI")) { 15175 if (replace) { 15176 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15177 installerPackageName, res); 15178 } else { 15179 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15180 args.user, installerPackageName, volumeUuid, res); 15181 } 15182 } 15183 synchronized (mPackages) { 15184 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15185 if (ps != null) { 15186 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15187 } 15188 15189 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15190 for (int i = 0; i < childCount; i++) { 15191 PackageParser.Package childPkg = pkg.childPackages.get(i); 15192 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15193 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15194 if (childPs != null) { 15195 childRes.newUsers = childPs.queryInstalledUsers( 15196 sUserManager.getUserIds(), true); 15197 } 15198 } 15199 } 15200 } 15201 15202 private void startIntentFilterVerifications(int userId, boolean replacing, 15203 PackageParser.Package pkg) { 15204 if (mIntentFilterVerifierComponent == null) { 15205 Slog.w(TAG, "No IntentFilter verification will not be done as " 15206 + "there is no IntentFilterVerifier available!"); 15207 return; 15208 } 15209 15210 final int verifierUid = getPackageUid( 15211 mIntentFilterVerifierComponent.getPackageName(), 15212 MATCH_DEBUG_TRIAGED_MISSING, 15213 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15214 15215 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15216 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15217 mHandler.sendMessage(msg); 15218 15219 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15220 for (int i = 0; i < childCount; i++) { 15221 PackageParser.Package childPkg = pkg.childPackages.get(i); 15222 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15223 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15224 mHandler.sendMessage(msg); 15225 } 15226 } 15227 15228 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15229 PackageParser.Package pkg) { 15230 int size = pkg.activities.size(); 15231 if (size == 0) { 15232 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15233 "No activity, so no need to verify any IntentFilter!"); 15234 return; 15235 } 15236 15237 final boolean hasDomainURLs = hasDomainURLs(pkg); 15238 if (!hasDomainURLs) { 15239 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15240 "No domain URLs, so no need to verify any IntentFilter!"); 15241 return; 15242 } 15243 15244 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15245 + " if any IntentFilter from the " + size 15246 + " Activities needs verification ..."); 15247 15248 int count = 0; 15249 final String packageName = pkg.packageName; 15250 15251 synchronized (mPackages) { 15252 // If this is a new install and we see that we've already run verification for this 15253 // package, we have nothing to do: it means the state was restored from backup. 15254 if (!replacing) { 15255 IntentFilterVerificationInfo ivi = 15256 mSettings.getIntentFilterVerificationLPr(packageName); 15257 if (ivi != null) { 15258 if (DEBUG_DOMAIN_VERIFICATION) { 15259 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15260 + ivi.getStatusString()); 15261 } 15262 return; 15263 } 15264 } 15265 15266 // If any filters need to be verified, then all need to be. 15267 boolean needToVerify = false; 15268 for (PackageParser.Activity a : pkg.activities) { 15269 for (ActivityIntentInfo filter : a.intents) { 15270 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15271 if (DEBUG_DOMAIN_VERIFICATION) { 15272 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15273 } 15274 needToVerify = true; 15275 break; 15276 } 15277 } 15278 } 15279 15280 if (needToVerify) { 15281 final int verificationId = mIntentFilterVerificationToken++; 15282 for (PackageParser.Activity a : pkg.activities) { 15283 for (ActivityIntentInfo filter : a.intents) { 15284 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15285 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15286 "Verification needed for IntentFilter:" + filter.toString()); 15287 mIntentFilterVerifier.addOneIntentFilterVerification( 15288 verifierUid, userId, verificationId, filter, packageName); 15289 count++; 15290 } 15291 } 15292 } 15293 } 15294 } 15295 15296 if (count > 0) { 15297 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15298 + " IntentFilter verification" + (count > 1 ? "s" : "") 15299 + " for userId:" + userId); 15300 mIntentFilterVerifier.startVerifications(userId); 15301 } else { 15302 if (DEBUG_DOMAIN_VERIFICATION) { 15303 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15304 } 15305 } 15306 } 15307 15308 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15309 final ComponentName cn = filter.activity.getComponentName(); 15310 final String packageName = cn.getPackageName(); 15311 15312 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15313 packageName); 15314 if (ivi == null) { 15315 return true; 15316 } 15317 int status = ivi.getStatus(); 15318 switch (status) { 15319 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15320 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15321 return true; 15322 15323 default: 15324 // Nothing to do 15325 return false; 15326 } 15327 } 15328 15329 private static boolean isMultiArch(ApplicationInfo info) { 15330 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15331 } 15332 15333 private static boolean isExternal(PackageParser.Package pkg) { 15334 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15335 } 15336 15337 private static boolean isExternal(PackageSetting ps) { 15338 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15339 } 15340 15341 private static boolean isEphemeral(PackageParser.Package pkg) { 15342 return pkg.applicationInfo.isEphemeralApp(); 15343 } 15344 15345 private static boolean isEphemeral(PackageSetting ps) { 15346 return ps.pkg != null && isEphemeral(ps.pkg); 15347 } 15348 15349 private static boolean isSystemApp(PackageParser.Package pkg) { 15350 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15351 } 15352 15353 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15354 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15355 } 15356 15357 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15358 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15359 } 15360 15361 private static boolean isSystemApp(PackageSetting ps) { 15362 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15363 } 15364 15365 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15366 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15367 } 15368 15369 private int packageFlagsToInstallFlags(PackageSetting ps) { 15370 int installFlags = 0; 15371 if (isEphemeral(ps)) { 15372 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15373 } 15374 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15375 // This existing package was an external ASEC install when we have 15376 // the external flag without a UUID 15377 installFlags |= PackageManager.INSTALL_EXTERNAL; 15378 } 15379 if (ps.isForwardLocked()) { 15380 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15381 } 15382 return installFlags; 15383 } 15384 15385 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15386 if (isExternal(pkg)) { 15387 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15388 return StorageManager.UUID_PRIMARY_PHYSICAL; 15389 } else { 15390 return pkg.volumeUuid; 15391 } 15392 } else { 15393 return StorageManager.UUID_PRIVATE_INTERNAL; 15394 } 15395 } 15396 15397 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15398 if (isExternal(pkg)) { 15399 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15400 return mSettings.getExternalVersion(); 15401 } else { 15402 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15403 } 15404 } else { 15405 return mSettings.getInternalVersion(); 15406 } 15407 } 15408 15409 private void deleteTempPackageFiles() { 15410 final FilenameFilter filter = new FilenameFilter() { 15411 public boolean accept(File dir, String name) { 15412 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15413 } 15414 }; 15415 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15416 file.delete(); 15417 } 15418 } 15419 15420 @Override 15421 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15422 int flags) { 15423 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15424 flags); 15425 } 15426 15427 @Override 15428 public void deletePackage(final String packageName, 15429 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15430 mContext.enforceCallingOrSelfPermission( 15431 android.Manifest.permission.DELETE_PACKAGES, null); 15432 Preconditions.checkNotNull(packageName); 15433 Preconditions.checkNotNull(observer); 15434 final int uid = Binder.getCallingUid(); 15435 if (uid != Process.SHELL_UID && uid != Process.ROOT_UID && uid != Process.SYSTEM_UID 15436 && uid != getPackageUid(mRequiredInstallerPackage, 0, UserHandle.getUserId(uid)) 15437 && !isOrphaned(packageName) 15438 && !isCallerSameAsInstaller(uid, packageName)) { 15439 try { 15440 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 15441 intent.setData(Uri.fromParts("package", packageName, null)); 15442 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 15443 observer.onUserActionRequired(intent); 15444 } catch (RemoteException re) { 15445 } 15446 return; 15447 } 15448 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15449 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15450 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15451 mContext.enforceCallingOrSelfPermission( 15452 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15453 "deletePackage for user " + userId); 15454 } 15455 15456 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15457 try { 15458 observer.onPackageDeleted(packageName, 15459 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15460 } catch (RemoteException re) { 15461 } 15462 return; 15463 } 15464 15465 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15466 try { 15467 observer.onPackageDeleted(packageName, 15468 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15469 } catch (RemoteException re) { 15470 } 15471 return; 15472 } 15473 15474 if (DEBUG_REMOVE) { 15475 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15476 + " deleteAllUsers: " + deleteAllUsers ); 15477 } 15478 // Queue up an async operation since the package deletion may take a little while. 15479 mHandler.post(new Runnable() { 15480 public void run() { 15481 mHandler.removeCallbacks(this); 15482 int returnCode; 15483 if (!deleteAllUsers) { 15484 returnCode = deletePackageX(packageName, userId, deleteFlags); 15485 } else { 15486 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15487 // If nobody is blocking uninstall, proceed with delete for all users 15488 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15489 returnCode = deletePackageX(packageName, userId, deleteFlags); 15490 } else { 15491 // Otherwise uninstall individually for users with blockUninstalls=false 15492 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15493 for (int userId : users) { 15494 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15495 returnCode = deletePackageX(packageName, userId, userFlags); 15496 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15497 Slog.w(TAG, "Package delete failed for user " + userId 15498 + ", returnCode " + returnCode); 15499 } 15500 } 15501 } 15502 // The app has only been marked uninstalled for certain users. 15503 // We still need to report that delete was blocked 15504 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15505 } 15506 } 15507 try { 15508 observer.onPackageDeleted(packageName, returnCode, null); 15509 } catch (RemoteException e) { 15510 Log.i(TAG, "Observer no longer exists."); 15511 } //end catch 15512 } //end run 15513 }); 15514 } 15515 15516 private boolean isCallerSameAsInstaller(int callingUid, String pkgName) { 15517 final int installerPkgUid = getPackageUid(getInstallerPackageName(pkgName), 15518 0 /* flags */, UserHandle.getUserId(callingUid)); 15519 return installerPkgUid == callingUid; 15520 } 15521 15522 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15523 int[] result = EMPTY_INT_ARRAY; 15524 for (int userId : userIds) { 15525 if (getBlockUninstallForUser(packageName, userId)) { 15526 result = ArrayUtils.appendInt(result, userId); 15527 } 15528 } 15529 return result; 15530 } 15531 15532 @Override 15533 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15534 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15535 } 15536 15537 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15538 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15539 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15540 try { 15541 if (dpm != null) { 15542 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15543 /* callingUserOnly =*/ false); 15544 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15545 : deviceOwnerComponentName.getPackageName(); 15546 // Does the package contains the device owner? 15547 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15548 // this check is probably not needed, since DO should be registered as a device 15549 // admin on some user too. (Original bug for this: b/17657954) 15550 if (packageName.equals(deviceOwnerPackageName)) { 15551 return true; 15552 } 15553 // Does it contain a device admin for any user? 15554 int[] users; 15555 if (userId == UserHandle.USER_ALL) { 15556 users = sUserManager.getUserIds(); 15557 } else { 15558 users = new int[]{userId}; 15559 } 15560 for (int i = 0; i < users.length; ++i) { 15561 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15562 return true; 15563 } 15564 } 15565 } 15566 } catch (RemoteException e) { 15567 } 15568 return false; 15569 } 15570 15571 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15572 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15573 } 15574 15575 /** 15576 * This method is an internal method that could be get invoked either 15577 * to delete an installed package or to clean up a failed installation. 15578 * After deleting an installed package, a broadcast is sent to notify any 15579 * listeners that the package has been removed. For cleaning up a failed 15580 * installation, the broadcast is not necessary since the package's 15581 * installation wouldn't have sent the initial broadcast either 15582 * The key steps in deleting a package are 15583 * deleting the package information in internal structures like mPackages, 15584 * deleting the packages base directories through installd 15585 * updating mSettings to reflect current status 15586 * persisting settings for later use 15587 * sending a broadcast if necessary 15588 */ 15589 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15590 final PackageRemovedInfo info = new PackageRemovedInfo(); 15591 final boolean res; 15592 15593 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15594 ? UserHandle.USER_ALL : userId; 15595 15596 if (isPackageDeviceAdmin(packageName, removeUser)) { 15597 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15598 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15599 } 15600 15601 PackageSetting uninstalledPs = null; 15602 15603 // for the uninstall-updates case and restricted profiles, remember the per- 15604 // user handle installed state 15605 int[] allUsers; 15606 synchronized (mPackages) { 15607 uninstalledPs = mSettings.mPackages.get(packageName); 15608 if (uninstalledPs == null) { 15609 Slog.w(TAG, "Not removing non-existent package " + packageName); 15610 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15611 } 15612 allUsers = sUserManager.getUserIds(); 15613 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15614 } 15615 15616 final int freezeUser; 15617 if (isUpdatedSystemApp(uninstalledPs) 15618 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15619 // We're downgrading a system app, which will apply to all users, so 15620 // freeze them all during the downgrade 15621 freezeUser = UserHandle.USER_ALL; 15622 } else { 15623 freezeUser = removeUser; 15624 } 15625 15626 synchronized (mInstallLock) { 15627 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15628 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15629 deleteFlags, "deletePackageX")) { 15630 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15631 deleteFlags | REMOVE_CHATTY, info, true, null); 15632 } 15633 synchronized (mPackages) { 15634 if (res) { 15635 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15636 } 15637 } 15638 } 15639 15640 if (res) { 15641 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15642 info.sendPackageRemovedBroadcasts(killApp); 15643 info.sendSystemPackageUpdatedBroadcasts(); 15644 info.sendSystemPackageAppearedBroadcasts(); 15645 } 15646 // Force a gc here. 15647 Runtime.getRuntime().gc(); 15648 // Delete the resources here after sending the broadcast to let 15649 // other processes clean up before deleting resources. 15650 if (info.args != null) { 15651 synchronized (mInstallLock) { 15652 info.args.doPostDeleteLI(true); 15653 } 15654 } 15655 15656 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15657 } 15658 15659 class PackageRemovedInfo { 15660 String removedPackage; 15661 int uid = -1; 15662 int removedAppId = -1; 15663 int[] origUsers; 15664 int[] removedUsers = null; 15665 boolean isRemovedPackageSystemUpdate = false; 15666 boolean isUpdate; 15667 boolean dataRemoved; 15668 boolean removedForAllUsers; 15669 // Clean up resources deleted packages. 15670 InstallArgs args = null; 15671 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15672 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15673 15674 void sendPackageRemovedBroadcasts(boolean killApp) { 15675 sendPackageRemovedBroadcastInternal(killApp); 15676 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15677 for (int i = 0; i < childCount; i++) { 15678 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15679 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15680 } 15681 } 15682 15683 void sendSystemPackageUpdatedBroadcasts() { 15684 if (isRemovedPackageSystemUpdate) { 15685 sendSystemPackageUpdatedBroadcastsInternal(); 15686 final int childCount = (removedChildPackages != null) 15687 ? removedChildPackages.size() : 0; 15688 for (int i = 0; i < childCount; i++) { 15689 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15690 if (childInfo.isRemovedPackageSystemUpdate) { 15691 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15692 } 15693 } 15694 } 15695 } 15696 15697 void sendSystemPackageAppearedBroadcasts() { 15698 final int packageCount = (appearedChildPackages != null) 15699 ? appearedChildPackages.size() : 0; 15700 for (int i = 0; i < packageCount; i++) { 15701 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15702 for (int userId : installedInfo.newUsers) { 15703 sendPackageAddedForUser(installedInfo.name, true, 15704 UserHandle.getAppId(installedInfo.uid), userId); 15705 } 15706 } 15707 } 15708 15709 private void sendSystemPackageUpdatedBroadcastsInternal() { 15710 Bundle extras = new Bundle(2); 15711 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15712 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15713 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15714 extras, 0, null, null, null); 15715 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15716 extras, 0, null, null, null); 15717 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15718 null, 0, removedPackage, null, null); 15719 } 15720 15721 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15722 Bundle extras = new Bundle(2); 15723 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15724 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15725 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15726 if (isUpdate || isRemovedPackageSystemUpdate) { 15727 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15728 } 15729 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15730 if (removedPackage != null) { 15731 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15732 extras, 0, null, null, removedUsers); 15733 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15734 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15735 removedPackage, extras, 0, null, null, removedUsers); 15736 } 15737 } 15738 if (removedAppId >= 0) { 15739 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15740 removedUsers); 15741 } 15742 } 15743 } 15744 15745 /* 15746 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15747 * flag is not set, the data directory is removed as well. 15748 * make sure this flag is set for partially installed apps. If not its meaningless to 15749 * delete a partially installed application. 15750 */ 15751 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15752 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15753 String packageName = ps.name; 15754 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15755 // Retrieve object to delete permissions for shared user later on 15756 final PackageParser.Package deletedPkg; 15757 final PackageSetting deletedPs; 15758 // reader 15759 synchronized (mPackages) { 15760 deletedPkg = mPackages.get(packageName); 15761 deletedPs = mSettings.mPackages.get(packageName); 15762 if (outInfo != null) { 15763 outInfo.removedPackage = packageName; 15764 outInfo.removedUsers = deletedPs != null 15765 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15766 : null; 15767 } 15768 } 15769 15770 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15771 15772 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15773 final PackageParser.Package resolvedPkg; 15774 if (deletedPkg != null) { 15775 resolvedPkg = deletedPkg; 15776 } else { 15777 // We don't have a parsed package when it lives on an ejected 15778 // adopted storage device, so fake something together 15779 resolvedPkg = new PackageParser.Package(ps.name); 15780 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15781 } 15782 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15783 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15784 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15785 if (outInfo != null) { 15786 outInfo.dataRemoved = true; 15787 } 15788 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15789 } 15790 15791 // writer 15792 synchronized (mPackages) { 15793 if (deletedPs != null) { 15794 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15795 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15796 clearDefaultBrowserIfNeeded(packageName); 15797 if (outInfo != null) { 15798 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15799 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15800 } 15801 updatePermissionsLPw(deletedPs.name, null, 0); 15802 if (deletedPs.sharedUser != null) { 15803 // Remove permissions associated with package. Since runtime 15804 // permissions are per user we have to kill the removed package 15805 // or packages running under the shared user of the removed 15806 // package if revoking the permissions requested only by the removed 15807 // package is successful and this causes a change in gids. 15808 for (int userId : UserManagerService.getInstance().getUserIds()) { 15809 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15810 userId); 15811 if (userIdToKill == UserHandle.USER_ALL 15812 || userIdToKill >= UserHandle.USER_SYSTEM) { 15813 // If gids changed for this user, kill all affected packages. 15814 mHandler.post(new Runnable() { 15815 @Override 15816 public void run() { 15817 // This has to happen with no lock held. 15818 killApplication(deletedPs.name, deletedPs.appId, 15819 KILL_APP_REASON_GIDS_CHANGED); 15820 } 15821 }); 15822 break; 15823 } 15824 } 15825 } 15826 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15827 } 15828 // make sure to preserve per-user disabled state if this removal was just 15829 // a downgrade of a system app to the factory package 15830 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15831 if (DEBUG_REMOVE) { 15832 Slog.d(TAG, "Propagating install state across downgrade"); 15833 } 15834 for (int userId : allUserHandles) { 15835 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15836 if (DEBUG_REMOVE) { 15837 Slog.d(TAG, " user " + userId + " => " + installed); 15838 } 15839 ps.setInstalled(installed, userId); 15840 } 15841 } 15842 } 15843 // can downgrade to reader 15844 if (writeSettings) { 15845 // Save settings now 15846 mSettings.writeLPr(); 15847 } 15848 } 15849 if (outInfo != null) { 15850 // A user ID was deleted here. Go through all users and remove it 15851 // from KeyStore. 15852 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15853 } 15854 } 15855 15856 static boolean locationIsPrivileged(File path) { 15857 try { 15858 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15859 .getCanonicalPath(); 15860 return path.getCanonicalPath().startsWith(privilegedAppDir); 15861 } catch (IOException e) { 15862 Slog.e(TAG, "Unable to access code path " + path); 15863 } 15864 return false; 15865 } 15866 15867 /* 15868 * Tries to delete system package. 15869 */ 15870 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15871 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15872 boolean writeSettings) { 15873 if (deletedPs.parentPackageName != null) { 15874 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15875 return false; 15876 } 15877 15878 final boolean applyUserRestrictions 15879 = (allUserHandles != null) && (outInfo.origUsers != null); 15880 final PackageSetting disabledPs; 15881 // Confirm if the system package has been updated 15882 // An updated system app can be deleted. This will also have to restore 15883 // the system pkg from system partition 15884 // reader 15885 synchronized (mPackages) { 15886 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15887 } 15888 15889 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15890 + " disabledPs=" + disabledPs); 15891 15892 if (disabledPs == null) { 15893 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15894 return false; 15895 } else if (DEBUG_REMOVE) { 15896 Slog.d(TAG, "Deleting system pkg from data partition"); 15897 } 15898 15899 if (DEBUG_REMOVE) { 15900 if (applyUserRestrictions) { 15901 Slog.d(TAG, "Remembering install states:"); 15902 for (int userId : allUserHandles) { 15903 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15904 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15905 } 15906 } 15907 } 15908 15909 // Delete the updated package 15910 outInfo.isRemovedPackageSystemUpdate = true; 15911 if (outInfo.removedChildPackages != null) { 15912 final int childCount = (deletedPs.childPackageNames != null) 15913 ? deletedPs.childPackageNames.size() : 0; 15914 for (int i = 0; i < childCount; i++) { 15915 String childPackageName = deletedPs.childPackageNames.get(i); 15916 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15917 .contains(childPackageName)) { 15918 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15919 childPackageName); 15920 if (childInfo != null) { 15921 childInfo.isRemovedPackageSystemUpdate = true; 15922 } 15923 } 15924 } 15925 } 15926 15927 if (disabledPs.versionCode < deletedPs.versionCode) { 15928 // Delete data for downgrades 15929 flags &= ~PackageManager.DELETE_KEEP_DATA; 15930 } else { 15931 // Preserve data by setting flag 15932 flags |= PackageManager.DELETE_KEEP_DATA; 15933 } 15934 15935 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15936 outInfo, writeSettings, disabledPs.pkg); 15937 if (!ret) { 15938 return false; 15939 } 15940 15941 // writer 15942 synchronized (mPackages) { 15943 // Reinstate the old system package 15944 enableSystemPackageLPw(disabledPs.pkg); 15945 // Remove any native libraries from the upgraded package. 15946 removeNativeBinariesLI(deletedPs); 15947 } 15948 15949 // Install the system package 15950 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15951 int parseFlags = mDefParseFlags 15952 | PackageParser.PARSE_MUST_BE_APK 15953 | PackageParser.PARSE_IS_SYSTEM 15954 | PackageParser.PARSE_IS_SYSTEM_DIR; 15955 if (locationIsPrivileged(disabledPs.codePath)) { 15956 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15957 } 15958 15959 final PackageParser.Package newPkg; 15960 try { 15961 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15962 } catch (PackageManagerException e) { 15963 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15964 + e.getMessage()); 15965 return false; 15966 } 15967 try { 15968 // update shared libraries for the newly re-installed system package 15969 updateSharedLibrariesLPw(newPkg, null); 15970 } catch (PackageManagerException e) { 15971 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 15972 } 15973 15974 prepareAppDataAfterInstallLIF(newPkg); 15975 15976 // writer 15977 synchronized (mPackages) { 15978 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15979 15980 // Propagate the permissions state as we do not want to drop on the floor 15981 // runtime permissions. The update permissions method below will take 15982 // care of removing obsolete permissions and grant install permissions. 15983 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15984 updatePermissionsLPw(newPkg.packageName, newPkg, 15985 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15986 15987 if (applyUserRestrictions) { 15988 if (DEBUG_REMOVE) { 15989 Slog.d(TAG, "Propagating install state across reinstall"); 15990 } 15991 for (int userId : allUserHandles) { 15992 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15993 if (DEBUG_REMOVE) { 15994 Slog.d(TAG, " user " + userId + " => " + installed); 15995 } 15996 ps.setInstalled(installed, userId); 15997 15998 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15999 } 16000 // Regardless of writeSettings we need to ensure that this restriction 16001 // state propagation is persisted 16002 mSettings.writeAllUsersPackageRestrictionsLPr(); 16003 } 16004 // can downgrade to reader here 16005 if (writeSettings) { 16006 mSettings.writeLPr(); 16007 } 16008 } 16009 return true; 16010 } 16011 16012 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16013 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16014 PackageRemovedInfo outInfo, boolean writeSettings, 16015 PackageParser.Package replacingPackage) { 16016 synchronized (mPackages) { 16017 if (outInfo != null) { 16018 outInfo.uid = ps.appId; 16019 } 16020 16021 if (outInfo != null && outInfo.removedChildPackages != null) { 16022 final int childCount = (ps.childPackageNames != null) 16023 ? ps.childPackageNames.size() : 0; 16024 for (int i = 0; i < childCount; i++) { 16025 String childPackageName = ps.childPackageNames.get(i); 16026 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16027 if (childPs == null) { 16028 return false; 16029 } 16030 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16031 childPackageName); 16032 if (childInfo != null) { 16033 childInfo.uid = childPs.appId; 16034 } 16035 } 16036 } 16037 } 16038 16039 // Delete package data from internal structures and also remove data if flag is set 16040 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16041 16042 // Delete the child packages data 16043 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16044 for (int i = 0; i < childCount; i++) { 16045 PackageSetting childPs; 16046 synchronized (mPackages) { 16047 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 16048 } 16049 if (childPs != null) { 16050 PackageRemovedInfo childOutInfo = (outInfo != null 16051 && outInfo.removedChildPackages != null) 16052 ? outInfo.removedChildPackages.get(childPs.name) : null; 16053 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16054 && (replacingPackage != null 16055 && !replacingPackage.hasChildPackage(childPs.name)) 16056 ? flags & ~DELETE_KEEP_DATA : flags; 16057 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16058 deleteFlags, writeSettings); 16059 } 16060 } 16061 16062 // Delete application code and resources only for parent packages 16063 if (ps.parentPackageName == null) { 16064 if (deleteCodeAndResources && (outInfo != null)) { 16065 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16066 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16067 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16068 } 16069 } 16070 16071 return true; 16072 } 16073 16074 @Override 16075 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16076 int userId) { 16077 mContext.enforceCallingOrSelfPermission( 16078 android.Manifest.permission.DELETE_PACKAGES, null); 16079 synchronized (mPackages) { 16080 PackageSetting ps = mSettings.mPackages.get(packageName); 16081 if (ps == null) { 16082 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16083 return false; 16084 } 16085 if (!ps.getInstalled(userId)) { 16086 // Can't block uninstall for an app that is not installed or enabled. 16087 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16088 return false; 16089 } 16090 ps.setBlockUninstall(blockUninstall, userId); 16091 mSettings.writePackageRestrictionsLPr(userId); 16092 } 16093 return true; 16094 } 16095 16096 @Override 16097 public boolean getBlockUninstallForUser(String packageName, int userId) { 16098 synchronized (mPackages) { 16099 PackageSetting ps = mSettings.mPackages.get(packageName); 16100 if (ps == null) { 16101 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16102 return false; 16103 } 16104 return ps.getBlockUninstall(userId); 16105 } 16106 } 16107 16108 @Override 16109 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16110 int callingUid = Binder.getCallingUid(); 16111 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16112 throw new SecurityException( 16113 "setRequiredForSystemUser can only be run by the system or root"); 16114 } 16115 synchronized (mPackages) { 16116 PackageSetting ps = mSettings.mPackages.get(packageName); 16117 if (ps == null) { 16118 Log.w(TAG, "Package doesn't exist: " + packageName); 16119 return false; 16120 } 16121 if (systemUserApp) { 16122 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16123 } else { 16124 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16125 } 16126 mSettings.writeLPr(); 16127 } 16128 return true; 16129 } 16130 16131 /* 16132 * This method handles package deletion in general 16133 */ 16134 private boolean deletePackageLIF(String packageName, UserHandle user, 16135 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16136 PackageRemovedInfo outInfo, boolean writeSettings, 16137 PackageParser.Package replacingPackage) { 16138 if (packageName == null) { 16139 Slog.w(TAG, "Attempt to delete null packageName."); 16140 return false; 16141 } 16142 16143 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16144 16145 PackageSetting ps; 16146 16147 synchronized (mPackages) { 16148 ps = mSettings.mPackages.get(packageName); 16149 if (ps == null) { 16150 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16151 return false; 16152 } 16153 16154 if (ps.parentPackageName != null && (!isSystemApp(ps) 16155 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16156 if (DEBUG_REMOVE) { 16157 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16158 + ((user == null) ? UserHandle.USER_ALL : user)); 16159 } 16160 final int removedUserId = (user != null) ? user.getIdentifier() 16161 : UserHandle.USER_ALL; 16162 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16163 return false; 16164 } 16165 markPackageUninstalledForUserLPw(ps, user); 16166 scheduleWritePackageRestrictionsLocked(user); 16167 return true; 16168 } 16169 } 16170 16171 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16172 && user.getIdentifier() != UserHandle.USER_ALL)) { 16173 // The caller is asking that the package only be deleted for a single 16174 // user. To do this, we just mark its uninstalled state and delete 16175 // its data. If this is a system app, we only allow this to happen if 16176 // they have set the special DELETE_SYSTEM_APP which requests different 16177 // semantics than normal for uninstalling system apps. 16178 markPackageUninstalledForUserLPw(ps, user); 16179 16180 if (!isSystemApp(ps)) { 16181 // Do not uninstall the APK if an app should be cached 16182 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16183 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16184 // Other user still have this package installed, so all 16185 // we need to do is clear this user's data and save that 16186 // it is uninstalled. 16187 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16188 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16189 return false; 16190 } 16191 scheduleWritePackageRestrictionsLocked(user); 16192 return true; 16193 } else { 16194 // We need to set it back to 'installed' so the uninstall 16195 // broadcasts will be sent correctly. 16196 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16197 ps.setInstalled(true, user.getIdentifier()); 16198 } 16199 } else { 16200 // This is a system app, so we assume that the 16201 // other users still have this package installed, so all 16202 // we need to do is clear this user's data and save that 16203 // it is uninstalled. 16204 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16205 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16206 return false; 16207 } 16208 scheduleWritePackageRestrictionsLocked(user); 16209 return true; 16210 } 16211 } 16212 16213 // If we are deleting a composite package for all users, keep track 16214 // of result for each child. 16215 if (ps.childPackageNames != null && outInfo != null) { 16216 synchronized (mPackages) { 16217 final int childCount = ps.childPackageNames.size(); 16218 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16219 for (int i = 0; i < childCount; i++) { 16220 String childPackageName = ps.childPackageNames.get(i); 16221 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16222 childInfo.removedPackage = childPackageName; 16223 outInfo.removedChildPackages.put(childPackageName, childInfo); 16224 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16225 if (childPs != null) { 16226 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16227 } 16228 } 16229 } 16230 } 16231 16232 boolean ret = false; 16233 if (isSystemApp(ps)) { 16234 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16235 // When an updated system application is deleted we delete the existing resources 16236 // as well and fall back to existing code in system partition 16237 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16238 } else { 16239 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16240 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16241 outInfo, writeSettings, replacingPackage); 16242 } 16243 16244 // Take a note whether we deleted the package for all users 16245 if (outInfo != null) { 16246 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16247 if (outInfo.removedChildPackages != null) { 16248 synchronized (mPackages) { 16249 final int childCount = outInfo.removedChildPackages.size(); 16250 for (int i = 0; i < childCount; i++) { 16251 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16252 if (childInfo != null) { 16253 childInfo.removedForAllUsers = mPackages.get( 16254 childInfo.removedPackage) == null; 16255 } 16256 } 16257 } 16258 } 16259 // If we uninstalled an update to a system app there may be some 16260 // child packages that appeared as they are declared in the system 16261 // app but were not declared in the update. 16262 if (isSystemApp(ps)) { 16263 synchronized (mPackages) { 16264 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16265 final int childCount = (updatedPs.childPackageNames != null) 16266 ? updatedPs.childPackageNames.size() : 0; 16267 for (int i = 0; i < childCount; i++) { 16268 String childPackageName = updatedPs.childPackageNames.get(i); 16269 if (outInfo.removedChildPackages == null 16270 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16271 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16272 if (childPs == null) { 16273 continue; 16274 } 16275 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16276 installRes.name = childPackageName; 16277 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16278 installRes.pkg = mPackages.get(childPackageName); 16279 installRes.uid = childPs.pkg.applicationInfo.uid; 16280 if (outInfo.appearedChildPackages == null) { 16281 outInfo.appearedChildPackages = new ArrayMap<>(); 16282 } 16283 outInfo.appearedChildPackages.put(childPackageName, installRes); 16284 } 16285 } 16286 } 16287 } 16288 } 16289 16290 return ret; 16291 } 16292 16293 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16294 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16295 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16296 for (int nextUserId : userIds) { 16297 if (DEBUG_REMOVE) { 16298 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16299 } 16300 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16301 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16302 false /*hidden*/, false /*suspended*/, null, null, null, 16303 false /*blockUninstall*/, 16304 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16305 } 16306 } 16307 16308 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16309 PackageRemovedInfo outInfo) { 16310 final PackageParser.Package pkg; 16311 synchronized (mPackages) { 16312 pkg = mPackages.get(ps.name); 16313 } 16314 16315 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16316 : new int[] {userId}; 16317 for (int nextUserId : userIds) { 16318 if (DEBUG_REMOVE) { 16319 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16320 + nextUserId); 16321 } 16322 16323 destroyAppDataLIF(pkg, userId, 16324 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16325 destroyAppProfilesLIF(pkg, userId); 16326 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16327 schedulePackageCleaning(ps.name, nextUserId, false); 16328 synchronized (mPackages) { 16329 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16330 scheduleWritePackageRestrictionsLocked(nextUserId); 16331 } 16332 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16333 } 16334 } 16335 16336 if (outInfo != null) { 16337 outInfo.removedPackage = ps.name; 16338 outInfo.removedAppId = ps.appId; 16339 outInfo.removedUsers = userIds; 16340 } 16341 16342 return true; 16343 } 16344 16345 private final class ClearStorageConnection implements ServiceConnection { 16346 IMediaContainerService mContainerService; 16347 16348 @Override 16349 public void onServiceConnected(ComponentName name, IBinder service) { 16350 synchronized (this) { 16351 mContainerService = IMediaContainerService.Stub.asInterface(service); 16352 notifyAll(); 16353 } 16354 } 16355 16356 @Override 16357 public void onServiceDisconnected(ComponentName name) { 16358 } 16359 } 16360 16361 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16362 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16363 16364 final boolean mounted; 16365 if (Environment.isExternalStorageEmulated()) { 16366 mounted = true; 16367 } else { 16368 final String status = Environment.getExternalStorageState(); 16369 16370 mounted = status.equals(Environment.MEDIA_MOUNTED) 16371 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16372 } 16373 16374 if (!mounted) { 16375 return; 16376 } 16377 16378 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16379 int[] users; 16380 if (userId == UserHandle.USER_ALL) { 16381 users = sUserManager.getUserIds(); 16382 } else { 16383 users = new int[] { userId }; 16384 } 16385 final ClearStorageConnection conn = new ClearStorageConnection(); 16386 if (mContext.bindServiceAsUser( 16387 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16388 try { 16389 for (int curUser : users) { 16390 long timeout = SystemClock.uptimeMillis() + 5000; 16391 synchronized (conn) { 16392 long now; 16393 while (conn.mContainerService == null && 16394 (now = SystemClock.uptimeMillis()) < timeout) { 16395 try { 16396 conn.wait(timeout - now); 16397 } catch (InterruptedException e) { 16398 } 16399 } 16400 } 16401 if (conn.mContainerService == null) { 16402 return; 16403 } 16404 16405 final UserEnvironment userEnv = new UserEnvironment(curUser); 16406 clearDirectory(conn.mContainerService, 16407 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16408 if (allData) { 16409 clearDirectory(conn.mContainerService, 16410 userEnv.buildExternalStorageAppDataDirs(packageName)); 16411 clearDirectory(conn.mContainerService, 16412 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16413 } 16414 } 16415 } finally { 16416 mContext.unbindService(conn); 16417 } 16418 } 16419 } 16420 16421 @Override 16422 public void clearApplicationProfileData(String packageName) { 16423 enforceSystemOrRoot("Only the system can clear all profile data"); 16424 16425 final PackageParser.Package pkg; 16426 synchronized (mPackages) { 16427 pkg = mPackages.get(packageName); 16428 } 16429 16430 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16431 synchronized (mInstallLock) { 16432 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16433 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16434 true /* removeBaseMarker */); 16435 } 16436 } 16437 } 16438 16439 @Override 16440 public void clearApplicationUserData(final String packageName, 16441 final IPackageDataObserver observer, final int userId) { 16442 mContext.enforceCallingOrSelfPermission( 16443 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16444 16445 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16446 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16447 16448 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16449 throw new SecurityException("Cannot clear data for a protected package: " 16450 + packageName); 16451 } 16452 // Queue up an async operation since the package deletion may take a little while. 16453 mHandler.post(new Runnable() { 16454 public void run() { 16455 mHandler.removeCallbacks(this); 16456 final boolean succeeded; 16457 try (PackageFreezer freezer = freezePackage(packageName, 16458 "clearApplicationUserData")) { 16459 synchronized (mInstallLock) { 16460 succeeded = clearApplicationUserDataLIF(packageName, userId); 16461 } 16462 clearExternalStorageDataSync(packageName, userId, true); 16463 } 16464 if (succeeded) { 16465 // invoke DeviceStorageMonitor's update method to clear any notifications 16466 DeviceStorageMonitorInternal dsm = LocalServices 16467 .getService(DeviceStorageMonitorInternal.class); 16468 if (dsm != null) { 16469 dsm.checkMemory(); 16470 } 16471 } 16472 if(observer != null) { 16473 try { 16474 observer.onRemoveCompleted(packageName, succeeded); 16475 } catch (RemoteException e) { 16476 Log.i(TAG, "Observer no longer exists."); 16477 } 16478 } //end if observer 16479 } //end run 16480 }); 16481 } 16482 16483 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16484 if (packageName == null) { 16485 Slog.w(TAG, "Attempt to delete null packageName."); 16486 return false; 16487 } 16488 16489 // Try finding details about the requested package 16490 PackageParser.Package pkg; 16491 synchronized (mPackages) { 16492 pkg = mPackages.get(packageName); 16493 if (pkg == null) { 16494 final PackageSetting ps = mSettings.mPackages.get(packageName); 16495 if (ps != null) { 16496 pkg = ps.pkg; 16497 } 16498 } 16499 16500 if (pkg == null) { 16501 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16502 return false; 16503 } 16504 16505 PackageSetting ps = (PackageSetting) pkg.mExtras; 16506 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16507 } 16508 16509 clearAppDataLIF(pkg, userId, 16510 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16511 16512 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16513 removeKeystoreDataIfNeeded(userId, appId); 16514 16515 UserManagerInternal umInternal = getUserManagerInternal(); 16516 final int flags; 16517 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16518 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16519 } else if (umInternal.isUserRunning(userId)) { 16520 flags = StorageManager.FLAG_STORAGE_DE; 16521 } else { 16522 flags = 0; 16523 } 16524 prepareAppDataContentsLIF(pkg, userId, flags); 16525 16526 return true; 16527 } 16528 16529 /** 16530 * Reverts user permission state changes (permissions and flags) in 16531 * all packages for a given user. 16532 * 16533 * @param userId The device user for which to do a reset. 16534 */ 16535 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16536 final int packageCount = mPackages.size(); 16537 for (int i = 0; i < packageCount; i++) { 16538 PackageParser.Package pkg = mPackages.valueAt(i); 16539 PackageSetting ps = (PackageSetting) pkg.mExtras; 16540 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16541 } 16542 } 16543 16544 private void resetNetworkPolicies(int userId) { 16545 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16546 } 16547 16548 /** 16549 * Reverts user permission state changes (permissions and flags). 16550 * 16551 * @param ps The package for which to reset. 16552 * @param userId The device user for which to do a reset. 16553 */ 16554 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16555 final PackageSetting ps, final int userId) { 16556 if (ps.pkg == null) { 16557 return; 16558 } 16559 16560 // These are flags that can change base on user actions. 16561 final int userSettableMask = FLAG_PERMISSION_USER_SET 16562 | FLAG_PERMISSION_USER_FIXED 16563 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16564 | FLAG_PERMISSION_REVIEW_REQUIRED; 16565 16566 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16567 | FLAG_PERMISSION_POLICY_FIXED; 16568 16569 boolean writeInstallPermissions = false; 16570 boolean writeRuntimePermissions = false; 16571 16572 final int permissionCount = ps.pkg.requestedPermissions.size(); 16573 for (int i = 0; i < permissionCount; i++) { 16574 String permission = ps.pkg.requestedPermissions.get(i); 16575 16576 BasePermission bp = mSettings.mPermissions.get(permission); 16577 if (bp == null) { 16578 continue; 16579 } 16580 16581 // If shared user we just reset the state to which only this app contributed. 16582 if (ps.sharedUser != null) { 16583 boolean used = false; 16584 final int packageCount = ps.sharedUser.packages.size(); 16585 for (int j = 0; j < packageCount; j++) { 16586 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16587 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16588 && pkg.pkg.requestedPermissions.contains(permission)) { 16589 used = true; 16590 break; 16591 } 16592 } 16593 if (used) { 16594 continue; 16595 } 16596 } 16597 16598 PermissionsState permissionsState = ps.getPermissionsState(); 16599 16600 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16601 16602 // Always clear the user settable flags. 16603 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16604 bp.name) != null; 16605 // If permission review is enabled and this is a legacy app, mark the 16606 // permission as requiring a review as this is the initial state. 16607 int flags = 0; 16608 if (Build.PERMISSIONS_REVIEW_REQUIRED 16609 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16610 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16611 } 16612 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16613 if (hasInstallState) { 16614 writeInstallPermissions = true; 16615 } else { 16616 writeRuntimePermissions = true; 16617 } 16618 } 16619 16620 // Below is only runtime permission handling. 16621 if (!bp.isRuntime()) { 16622 continue; 16623 } 16624 16625 // Never clobber system or policy. 16626 if ((oldFlags & policyOrSystemFlags) != 0) { 16627 continue; 16628 } 16629 16630 // If this permission was granted by default, make sure it is. 16631 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16632 if (permissionsState.grantRuntimePermission(bp, userId) 16633 != PERMISSION_OPERATION_FAILURE) { 16634 writeRuntimePermissions = true; 16635 } 16636 // If permission review is enabled the permissions for a legacy apps 16637 // are represented as constantly granted runtime ones, so don't revoke. 16638 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16639 // Otherwise, reset the permission. 16640 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16641 switch (revokeResult) { 16642 case PERMISSION_OPERATION_SUCCESS: 16643 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16644 writeRuntimePermissions = true; 16645 final int appId = ps.appId; 16646 mHandler.post(new Runnable() { 16647 @Override 16648 public void run() { 16649 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16650 } 16651 }); 16652 } break; 16653 } 16654 } 16655 } 16656 16657 // Synchronously write as we are taking permissions away. 16658 if (writeRuntimePermissions) { 16659 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16660 } 16661 16662 // Synchronously write as we are taking permissions away. 16663 if (writeInstallPermissions) { 16664 mSettings.writeLPr(); 16665 } 16666 } 16667 16668 /** 16669 * Remove entries from the keystore daemon. Will only remove it if the 16670 * {@code appId} is valid. 16671 */ 16672 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16673 if (appId < 0) { 16674 return; 16675 } 16676 16677 final KeyStore keyStore = KeyStore.getInstance(); 16678 if (keyStore != null) { 16679 if (userId == UserHandle.USER_ALL) { 16680 for (final int individual : sUserManager.getUserIds()) { 16681 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16682 } 16683 } else { 16684 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16685 } 16686 } else { 16687 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16688 } 16689 } 16690 16691 @Override 16692 public void deleteApplicationCacheFiles(final String packageName, 16693 final IPackageDataObserver observer) { 16694 final int userId = UserHandle.getCallingUserId(); 16695 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16696 } 16697 16698 @Override 16699 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16700 final IPackageDataObserver observer) { 16701 mContext.enforceCallingOrSelfPermission( 16702 android.Manifest.permission.DELETE_CACHE_FILES, null); 16703 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16704 /* requireFullPermission= */ true, /* checkShell= */ false, 16705 "delete application cache files"); 16706 16707 final PackageParser.Package pkg; 16708 synchronized (mPackages) { 16709 pkg = mPackages.get(packageName); 16710 } 16711 16712 // Queue up an async operation since the package deletion may take a little while. 16713 mHandler.post(new Runnable() { 16714 public void run() { 16715 synchronized (mInstallLock) { 16716 final int flags = StorageManager.FLAG_STORAGE_DE 16717 | StorageManager.FLAG_STORAGE_CE; 16718 // We're only clearing cache files, so we don't care if the 16719 // app is unfrozen and still able to run 16720 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16721 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16722 } 16723 clearExternalStorageDataSync(packageName, userId, false); 16724 if (observer != null) { 16725 try { 16726 observer.onRemoveCompleted(packageName, true); 16727 } catch (RemoteException e) { 16728 Log.i(TAG, "Observer no longer exists."); 16729 } 16730 } 16731 } 16732 }); 16733 } 16734 16735 @Override 16736 public void getPackageSizeInfo(final String packageName, int userHandle, 16737 final IPackageStatsObserver observer) { 16738 mContext.enforceCallingOrSelfPermission( 16739 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16740 if (packageName == null) { 16741 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16742 } 16743 16744 PackageStats stats = new PackageStats(packageName, userHandle); 16745 16746 /* 16747 * Queue up an async operation since the package measurement may take a 16748 * little while. 16749 */ 16750 Message msg = mHandler.obtainMessage(INIT_COPY); 16751 msg.obj = new MeasureParams(stats, observer); 16752 mHandler.sendMessage(msg); 16753 } 16754 16755 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16756 final PackageSetting ps; 16757 synchronized (mPackages) { 16758 ps = mSettings.mPackages.get(packageName); 16759 if (ps == null) { 16760 Slog.w(TAG, "Failed to find settings for " + packageName); 16761 return false; 16762 } 16763 } 16764 try { 16765 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16766 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16767 ps.getCeDataInode(userId), ps.codePathString, stats); 16768 } catch (InstallerException e) { 16769 Slog.w(TAG, String.valueOf(e)); 16770 return false; 16771 } 16772 16773 // For now, ignore code size of packages on system partition 16774 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16775 stats.codeSize = 0; 16776 } 16777 16778 return true; 16779 } 16780 16781 private int getUidTargetSdkVersionLockedLPr(int uid) { 16782 Object obj = mSettings.getUserIdLPr(uid); 16783 if (obj instanceof SharedUserSetting) { 16784 final SharedUserSetting sus = (SharedUserSetting) obj; 16785 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16786 final Iterator<PackageSetting> it = sus.packages.iterator(); 16787 while (it.hasNext()) { 16788 final PackageSetting ps = it.next(); 16789 if (ps.pkg != null) { 16790 int v = ps.pkg.applicationInfo.targetSdkVersion; 16791 if (v < vers) vers = v; 16792 } 16793 } 16794 return vers; 16795 } else if (obj instanceof PackageSetting) { 16796 final PackageSetting ps = (PackageSetting) obj; 16797 if (ps.pkg != null) { 16798 return ps.pkg.applicationInfo.targetSdkVersion; 16799 } 16800 } 16801 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16802 } 16803 16804 @Override 16805 public void addPreferredActivity(IntentFilter filter, int match, 16806 ComponentName[] set, ComponentName activity, int userId) { 16807 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16808 "Adding preferred"); 16809 } 16810 16811 private void addPreferredActivityInternal(IntentFilter filter, int match, 16812 ComponentName[] set, ComponentName activity, boolean always, int userId, 16813 String opname) { 16814 // writer 16815 int callingUid = Binder.getCallingUid(); 16816 enforceCrossUserPermission(callingUid, userId, 16817 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16818 if (filter.countActions() == 0) { 16819 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16820 return; 16821 } 16822 synchronized (mPackages) { 16823 if (mContext.checkCallingOrSelfPermission( 16824 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16825 != PackageManager.PERMISSION_GRANTED) { 16826 if (getUidTargetSdkVersionLockedLPr(callingUid) 16827 < Build.VERSION_CODES.FROYO) { 16828 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16829 + callingUid); 16830 return; 16831 } 16832 mContext.enforceCallingOrSelfPermission( 16833 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16834 } 16835 16836 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16837 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16838 + userId + ":"); 16839 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16840 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16841 scheduleWritePackageRestrictionsLocked(userId); 16842 postPreferredActivityChangedBroadcast(userId); 16843 } 16844 } 16845 16846 private void postPreferredActivityChangedBroadcast(int userId) { 16847 mHandler.post(() -> { 16848 final IActivityManager am = ActivityManagerNative.getDefault(); 16849 if (am == null) { 16850 return; 16851 } 16852 16853 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 16854 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 16855 try { 16856 am.broadcastIntent(null, intent, null, null, 16857 0, null, null, null, android.app.AppOpsManager.OP_NONE, 16858 null, false, false, userId); 16859 } catch (RemoteException e) { 16860 } 16861 }); 16862 } 16863 16864 @Override 16865 public void replacePreferredActivity(IntentFilter filter, int match, 16866 ComponentName[] set, ComponentName activity, int userId) { 16867 if (filter.countActions() != 1) { 16868 throw new IllegalArgumentException( 16869 "replacePreferredActivity expects filter to have only 1 action."); 16870 } 16871 if (filter.countDataAuthorities() != 0 16872 || filter.countDataPaths() != 0 16873 || filter.countDataSchemes() > 1 16874 || filter.countDataTypes() != 0) { 16875 throw new IllegalArgumentException( 16876 "replacePreferredActivity expects filter to have no data authorities, " + 16877 "paths, or types; and at most one scheme."); 16878 } 16879 16880 final int callingUid = Binder.getCallingUid(); 16881 enforceCrossUserPermission(callingUid, userId, 16882 true /* requireFullPermission */, false /* checkShell */, 16883 "replace preferred activity"); 16884 synchronized (mPackages) { 16885 if (mContext.checkCallingOrSelfPermission( 16886 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16887 != PackageManager.PERMISSION_GRANTED) { 16888 if (getUidTargetSdkVersionLockedLPr(callingUid) 16889 < Build.VERSION_CODES.FROYO) { 16890 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16891 + Binder.getCallingUid()); 16892 return; 16893 } 16894 mContext.enforceCallingOrSelfPermission( 16895 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16896 } 16897 16898 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16899 if (pir != null) { 16900 // Get all of the existing entries that exactly match this filter. 16901 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16902 if (existing != null && existing.size() == 1) { 16903 PreferredActivity cur = existing.get(0); 16904 if (DEBUG_PREFERRED) { 16905 Slog.i(TAG, "Checking replace of preferred:"); 16906 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16907 if (!cur.mPref.mAlways) { 16908 Slog.i(TAG, " -- CUR; not mAlways!"); 16909 } else { 16910 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16911 Slog.i(TAG, " -- CUR: mSet=" 16912 + Arrays.toString(cur.mPref.mSetComponents)); 16913 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16914 Slog.i(TAG, " -- NEW: mMatch=" 16915 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16916 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16917 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16918 } 16919 } 16920 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16921 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16922 && cur.mPref.sameSet(set)) { 16923 // Setting the preferred activity to what it happens to be already 16924 if (DEBUG_PREFERRED) { 16925 Slog.i(TAG, "Replacing with same preferred activity " 16926 + cur.mPref.mShortComponent + " for user " 16927 + userId + ":"); 16928 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16929 } 16930 return; 16931 } 16932 } 16933 16934 if (existing != null) { 16935 if (DEBUG_PREFERRED) { 16936 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16937 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16938 } 16939 for (int i = 0; i < existing.size(); i++) { 16940 PreferredActivity pa = existing.get(i); 16941 if (DEBUG_PREFERRED) { 16942 Slog.i(TAG, "Removing existing preferred activity " 16943 + pa.mPref.mComponent + ":"); 16944 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16945 } 16946 pir.removeFilter(pa); 16947 } 16948 } 16949 } 16950 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16951 "Replacing preferred"); 16952 } 16953 } 16954 16955 @Override 16956 public void clearPackagePreferredActivities(String packageName) { 16957 final int uid = Binder.getCallingUid(); 16958 // writer 16959 synchronized (mPackages) { 16960 PackageParser.Package pkg = mPackages.get(packageName); 16961 if (pkg == null || pkg.applicationInfo.uid != uid) { 16962 if (mContext.checkCallingOrSelfPermission( 16963 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16964 != PackageManager.PERMISSION_GRANTED) { 16965 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16966 < Build.VERSION_CODES.FROYO) { 16967 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16968 + Binder.getCallingUid()); 16969 return; 16970 } 16971 mContext.enforceCallingOrSelfPermission( 16972 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16973 } 16974 } 16975 16976 int user = UserHandle.getCallingUserId(); 16977 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16978 scheduleWritePackageRestrictionsLocked(user); 16979 } 16980 } 16981 } 16982 16983 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16984 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16985 ArrayList<PreferredActivity> removed = null; 16986 boolean changed = false; 16987 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16988 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16989 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16990 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16991 continue; 16992 } 16993 Iterator<PreferredActivity> it = pir.filterIterator(); 16994 while (it.hasNext()) { 16995 PreferredActivity pa = it.next(); 16996 // Mark entry for removal only if it matches the package name 16997 // and the entry is of type "always". 16998 if (packageName == null || 16999 (pa.mPref.mComponent.getPackageName().equals(packageName) 17000 && pa.mPref.mAlways)) { 17001 if (removed == null) { 17002 removed = new ArrayList<PreferredActivity>(); 17003 } 17004 removed.add(pa); 17005 } 17006 } 17007 if (removed != null) { 17008 for (int j=0; j<removed.size(); j++) { 17009 PreferredActivity pa = removed.get(j); 17010 pir.removeFilter(pa); 17011 } 17012 changed = true; 17013 } 17014 } 17015 if (changed) { 17016 postPreferredActivityChangedBroadcast(userId); 17017 } 17018 return changed; 17019 } 17020 17021 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17022 private void clearIntentFilterVerificationsLPw(int userId) { 17023 final int packageCount = mPackages.size(); 17024 for (int i = 0; i < packageCount; i++) { 17025 PackageParser.Package pkg = mPackages.valueAt(i); 17026 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17027 } 17028 } 17029 17030 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17031 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17032 if (userId == UserHandle.USER_ALL) { 17033 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17034 sUserManager.getUserIds())) { 17035 for (int oneUserId : sUserManager.getUserIds()) { 17036 scheduleWritePackageRestrictionsLocked(oneUserId); 17037 } 17038 } 17039 } else { 17040 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17041 scheduleWritePackageRestrictionsLocked(userId); 17042 } 17043 } 17044 } 17045 17046 void clearDefaultBrowserIfNeeded(String packageName) { 17047 for (int oneUserId : sUserManager.getUserIds()) { 17048 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17049 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17050 if (packageName.equals(defaultBrowserPackageName)) { 17051 setDefaultBrowserPackageName(null, oneUserId); 17052 } 17053 } 17054 } 17055 17056 @Override 17057 public void resetApplicationPreferences(int userId) { 17058 mContext.enforceCallingOrSelfPermission( 17059 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17060 final long identity = Binder.clearCallingIdentity(); 17061 // writer 17062 try { 17063 synchronized (mPackages) { 17064 clearPackagePreferredActivitiesLPw(null, userId); 17065 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17066 // TODO: We have to reset the default SMS and Phone. This requires 17067 // significant refactoring to keep all default apps in the package 17068 // manager (cleaner but more work) or have the services provide 17069 // callbacks to the package manager to request a default app reset. 17070 applyFactoryDefaultBrowserLPw(userId); 17071 clearIntentFilterVerificationsLPw(userId); 17072 primeDomainVerificationsLPw(userId); 17073 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17074 scheduleWritePackageRestrictionsLocked(userId); 17075 } 17076 resetNetworkPolicies(userId); 17077 } finally { 17078 Binder.restoreCallingIdentity(identity); 17079 } 17080 } 17081 17082 @Override 17083 public int getPreferredActivities(List<IntentFilter> outFilters, 17084 List<ComponentName> outActivities, String packageName) { 17085 17086 int num = 0; 17087 final int userId = UserHandle.getCallingUserId(); 17088 // reader 17089 synchronized (mPackages) { 17090 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17091 if (pir != null) { 17092 final Iterator<PreferredActivity> it = pir.filterIterator(); 17093 while (it.hasNext()) { 17094 final PreferredActivity pa = it.next(); 17095 if (packageName == null 17096 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17097 && pa.mPref.mAlways)) { 17098 if (outFilters != null) { 17099 outFilters.add(new IntentFilter(pa)); 17100 } 17101 if (outActivities != null) { 17102 outActivities.add(pa.mPref.mComponent); 17103 } 17104 } 17105 } 17106 } 17107 } 17108 17109 return num; 17110 } 17111 17112 @Override 17113 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17114 int userId) { 17115 int callingUid = Binder.getCallingUid(); 17116 if (callingUid != Process.SYSTEM_UID) { 17117 throw new SecurityException( 17118 "addPersistentPreferredActivity can only be run by the system"); 17119 } 17120 if (filter.countActions() == 0) { 17121 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17122 return; 17123 } 17124 synchronized (mPackages) { 17125 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17126 ":"); 17127 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17128 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17129 new PersistentPreferredActivity(filter, activity)); 17130 scheduleWritePackageRestrictionsLocked(userId); 17131 postPreferredActivityChangedBroadcast(userId); 17132 } 17133 } 17134 17135 @Override 17136 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17137 int callingUid = Binder.getCallingUid(); 17138 if (callingUid != Process.SYSTEM_UID) { 17139 throw new SecurityException( 17140 "clearPackagePersistentPreferredActivities can only be run by the system"); 17141 } 17142 ArrayList<PersistentPreferredActivity> removed = null; 17143 boolean changed = false; 17144 synchronized (mPackages) { 17145 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17146 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17147 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17148 .valueAt(i); 17149 if (userId != thisUserId) { 17150 continue; 17151 } 17152 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17153 while (it.hasNext()) { 17154 PersistentPreferredActivity ppa = it.next(); 17155 // Mark entry for removal only if it matches the package name. 17156 if (ppa.mComponent.getPackageName().equals(packageName)) { 17157 if (removed == null) { 17158 removed = new ArrayList<PersistentPreferredActivity>(); 17159 } 17160 removed.add(ppa); 17161 } 17162 } 17163 if (removed != null) { 17164 for (int j=0; j<removed.size(); j++) { 17165 PersistentPreferredActivity ppa = removed.get(j); 17166 ppir.removeFilter(ppa); 17167 } 17168 changed = true; 17169 } 17170 } 17171 17172 if (changed) { 17173 scheduleWritePackageRestrictionsLocked(userId); 17174 postPreferredActivityChangedBroadcast(userId); 17175 } 17176 } 17177 } 17178 17179 /** 17180 * Common machinery for picking apart a restored XML blob and passing 17181 * it to a caller-supplied functor to be applied to the running system. 17182 */ 17183 private void restoreFromXml(XmlPullParser parser, int userId, 17184 String expectedStartTag, BlobXmlRestorer functor) 17185 throws IOException, XmlPullParserException { 17186 int type; 17187 while ((type = parser.next()) != XmlPullParser.START_TAG 17188 && type != XmlPullParser.END_DOCUMENT) { 17189 } 17190 if (type != XmlPullParser.START_TAG) { 17191 // oops didn't find a start tag?! 17192 if (DEBUG_BACKUP) { 17193 Slog.e(TAG, "Didn't find start tag during restore"); 17194 } 17195 return; 17196 } 17197Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17198 // this is supposed to be TAG_PREFERRED_BACKUP 17199 if (!expectedStartTag.equals(parser.getName())) { 17200 if (DEBUG_BACKUP) { 17201 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17202 } 17203 return; 17204 } 17205 17206 // skip interfering stuff, then we're aligned with the backing implementation 17207 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17208Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17209 functor.apply(parser, userId); 17210 } 17211 17212 private interface BlobXmlRestorer { 17213 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17214 } 17215 17216 /** 17217 * Non-Binder method, support for the backup/restore mechanism: write the 17218 * full set of preferred activities in its canonical XML format. Returns the 17219 * XML output as a byte array, or null if there is none. 17220 */ 17221 @Override 17222 public byte[] getPreferredActivityBackup(int userId) { 17223 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17224 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17225 } 17226 17227 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17228 try { 17229 final XmlSerializer serializer = new FastXmlSerializer(); 17230 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17231 serializer.startDocument(null, true); 17232 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17233 17234 synchronized (mPackages) { 17235 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17236 } 17237 17238 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17239 serializer.endDocument(); 17240 serializer.flush(); 17241 } catch (Exception e) { 17242 if (DEBUG_BACKUP) { 17243 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17244 } 17245 return null; 17246 } 17247 17248 return dataStream.toByteArray(); 17249 } 17250 17251 @Override 17252 public void restorePreferredActivities(byte[] backup, int userId) { 17253 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17254 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17255 } 17256 17257 try { 17258 final XmlPullParser parser = Xml.newPullParser(); 17259 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17260 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17261 new BlobXmlRestorer() { 17262 @Override 17263 public void apply(XmlPullParser parser, int userId) 17264 throws XmlPullParserException, IOException { 17265 synchronized (mPackages) { 17266 mSettings.readPreferredActivitiesLPw(parser, userId); 17267 } 17268 } 17269 } ); 17270 } catch (Exception e) { 17271 if (DEBUG_BACKUP) { 17272 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17273 } 17274 } 17275 } 17276 17277 /** 17278 * Non-Binder method, support for the backup/restore mechanism: write the 17279 * default browser (etc) settings in its canonical XML format. Returns the default 17280 * browser XML representation as a byte array, or null if there is none. 17281 */ 17282 @Override 17283 public byte[] getDefaultAppsBackup(int userId) { 17284 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17285 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17286 } 17287 17288 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17289 try { 17290 final XmlSerializer serializer = new FastXmlSerializer(); 17291 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17292 serializer.startDocument(null, true); 17293 serializer.startTag(null, TAG_DEFAULT_APPS); 17294 17295 synchronized (mPackages) { 17296 mSettings.writeDefaultAppsLPr(serializer, userId); 17297 } 17298 17299 serializer.endTag(null, TAG_DEFAULT_APPS); 17300 serializer.endDocument(); 17301 serializer.flush(); 17302 } catch (Exception e) { 17303 if (DEBUG_BACKUP) { 17304 Slog.e(TAG, "Unable to write default apps for backup", e); 17305 } 17306 return null; 17307 } 17308 17309 return dataStream.toByteArray(); 17310 } 17311 17312 @Override 17313 public void restoreDefaultApps(byte[] backup, int userId) { 17314 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17315 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17316 } 17317 17318 try { 17319 final XmlPullParser parser = Xml.newPullParser(); 17320 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17321 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17322 new BlobXmlRestorer() { 17323 @Override 17324 public void apply(XmlPullParser parser, int userId) 17325 throws XmlPullParserException, IOException { 17326 synchronized (mPackages) { 17327 mSettings.readDefaultAppsLPw(parser, userId); 17328 } 17329 } 17330 } ); 17331 } catch (Exception e) { 17332 if (DEBUG_BACKUP) { 17333 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17334 } 17335 } 17336 } 17337 17338 @Override 17339 public byte[] getIntentFilterVerificationBackup(int userId) { 17340 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17341 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17342 } 17343 17344 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17345 try { 17346 final XmlSerializer serializer = new FastXmlSerializer(); 17347 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17348 serializer.startDocument(null, true); 17349 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17350 17351 synchronized (mPackages) { 17352 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17353 } 17354 17355 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17356 serializer.endDocument(); 17357 serializer.flush(); 17358 } catch (Exception e) { 17359 if (DEBUG_BACKUP) { 17360 Slog.e(TAG, "Unable to write default apps for backup", e); 17361 } 17362 return null; 17363 } 17364 17365 return dataStream.toByteArray(); 17366 } 17367 17368 @Override 17369 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17370 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17371 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17372 } 17373 17374 try { 17375 final XmlPullParser parser = Xml.newPullParser(); 17376 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17377 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17378 new BlobXmlRestorer() { 17379 @Override 17380 public void apply(XmlPullParser parser, int userId) 17381 throws XmlPullParserException, IOException { 17382 synchronized (mPackages) { 17383 mSettings.readAllDomainVerificationsLPr(parser, userId); 17384 mSettings.writeLPr(); 17385 } 17386 } 17387 } ); 17388 } catch (Exception e) { 17389 if (DEBUG_BACKUP) { 17390 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17391 } 17392 } 17393 } 17394 17395 @Override 17396 public byte[] getPermissionGrantBackup(int userId) { 17397 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17398 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17399 } 17400 17401 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17402 try { 17403 final XmlSerializer serializer = new FastXmlSerializer(); 17404 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17405 serializer.startDocument(null, true); 17406 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17407 17408 synchronized (mPackages) { 17409 serializeRuntimePermissionGrantsLPr(serializer, userId); 17410 } 17411 17412 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17413 serializer.endDocument(); 17414 serializer.flush(); 17415 } catch (Exception e) { 17416 if (DEBUG_BACKUP) { 17417 Slog.e(TAG, "Unable to write default apps for backup", e); 17418 } 17419 return null; 17420 } 17421 17422 return dataStream.toByteArray(); 17423 } 17424 17425 @Override 17426 public void restorePermissionGrants(byte[] backup, int userId) { 17427 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17428 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17429 } 17430 17431 try { 17432 final XmlPullParser parser = Xml.newPullParser(); 17433 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17434 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17435 new BlobXmlRestorer() { 17436 @Override 17437 public void apply(XmlPullParser parser, int userId) 17438 throws XmlPullParserException, IOException { 17439 synchronized (mPackages) { 17440 processRestoredPermissionGrantsLPr(parser, userId); 17441 } 17442 } 17443 } ); 17444 } catch (Exception e) { 17445 if (DEBUG_BACKUP) { 17446 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17447 } 17448 } 17449 } 17450 17451 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17452 throws IOException { 17453 serializer.startTag(null, TAG_ALL_GRANTS); 17454 17455 final int N = mSettings.mPackages.size(); 17456 for (int i = 0; i < N; i++) { 17457 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17458 boolean pkgGrantsKnown = false; 17459 17460 PermissionsState packagePerms = ps.getPermissionsState(); 17461 17462 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17463 final int grantFlags = state.getFlags(); 17464 // only look at grants that are not system/policy fixed 17465 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17466 final boolean isGranted = state.isGranted(); 17467 // And only back up the user-twiddled state bits 17468 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17469 final String packageName = mSettings.mPackages.keyAt(i); 17470 if (!pkgGrantsKnown) { 17471 serializer.startTag(null, TAG_GRANT); 17472 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17473 pkgGrantsKnown = true; 17474 } 17475 17476 final boolean userSet = 17477 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17478 final boolean userFixed = 17479 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17480 final boolean revoke = 17481 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17482 17483 serializer.startTag(null, TAG_PERMISSION); 17484 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17485 if (isGranted) { 17486 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17487 } 17488 if (userSet) { 17489 serializer.attribute(null, ATTR_USER_SET, "true"); 17490 } 17491 if (userFixed) { 17492 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17493 } 17494 if (revoke) { 17495 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17496 } 17497 serializer.endTag(null, TAG_PERMISSION); 17498 } 17499 } 17500 } 17501 17502 if (pkgGrantsKnown) { 17503 serializer.endTag(null, TAG_GRANT); 17504 } 17505 } 17506 17507 serializer.endTag(null, TAG_ALL_GRANTS); 17508 } 17509 17510 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17511 throws XmlPullParserException, IOException { 17512 String pkgName = null; 17513 int outerDepth = parser.getDepth(); 17514 int type; 17515 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17516 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17517 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17518 continue; 17519 } 17520 17521 final String tagName = parser.getName(); 17522 if (tagName.equals(TAG_GRANT)) { 17523 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17524 if (DEBUG_BACKUP) { 17525 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17526 } 17527 } else if (tagName.equals(TAG_PERMISSION)) { 17528 17529 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17530 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17531 17532 int newFlagSet = 0; 17533 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17534 newFlagSet |= FLAG_PERMISSION_USER_SET; 17535 } 17536 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17537 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17538 } 17539 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17540 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17541 } 17542 if (DEBUG_BACKUP) { 17543 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17544 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17545 } 17546 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17547 if (ps != null) { 17548 // Already installed so we apply the grant immediately 17549 if (DEBUG_BACKUP) { 17550 Slog.v(TAG, " + already installed; applying"); 17551 } 17552 PermissionsState perms = ps.getPermissionsState(); 17553 BasePermission bp = mSettings.mPermissions.get(permName); 17554 if (bp != null) { 17555 if (isGranted) { 17556 perms.grantRuntimePermission(bp, userId); 17557 } 17558 if (newFlagSet != 0) { 17559 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17560 } 17561 } 17562 } else { 17563 // Need to wait for post-restore install to apply the grant 17564 if (DEBUG_BACKUP) { 17565 Slog.v(TAG, " - not yet installed; saving for later"); 17566 } 17567 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17568 isGranted, newFlagSet, userId); 17569 } 17570 } else { 17571 PackageManagerService.reportSettingsProblem(Log.WARN, 17572 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17573 XmlUtils.skipCurrentTag(parser); 17574 } 17575 } 17576 17577 scheduleWriteSettingsLocked(); 17578 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17579 } 17580 17581 @Override 17582 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17583 int sourceUserId, int targetUserId, int flags) { 17584 mContext.enforceCallingOrSelfPermission( 17585 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17586 int callingUid = Binder.getCallingUid(); 17587 enforceOwnerRights(ownerPackage, callingUid); 17588 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17589 if (intentFilter.countActions() == 0) { 17590 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17591 return; 17592 } 17593 synchronized (mPackages) { 17594 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17595 ownerPackage, targetUserId, flags); 17596 CrossProfileIntentResolver resolver = 17597 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17598 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17599 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17600 if (existing != null) { 17601 int size = existing.size(); 17602 for (int i = 0; i < size; i++) { 17603 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17604 return; 17605 } 17606 } 17607 } 17608 resolver.addFilter(newFilter); 17609 scheduleWritePackageRestrictionsLocked(sourceUserId); 17610 } 17611 } 17612 17613 @Override 17614 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17615 mContext.enforceCallingOrSelfPermission( 17616 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17617 int callingUid = Binder.getCallingUid(); 17618 enforceOwnerRights(ownerPackage, callingUid); 17619 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17620 synchronized (mPackages) { 17621 CrossProfileIntentResolver resolver = 17622 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17623 ArraySet<CrossProfileIntentFilter> set = 17624 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17625 for (CrossProfileIntentFilter filter : set) { 17626 if (filter.getOwnerPackage().equals(ownerPackage)) { 17627 resolver.removeFilter(filter); 17628 } 17629 } 17630 scheduleWritePackageRestrictionsLocked(sourceUserId); 17631 } 17632 } 17633 17634 // Enforcing that callingUid is owning pkg on userId 17635 private void enforceOwnerRights(String pkg, int callingUid) { 17636 // The system owns everything. 17637 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17638 return; 17639 } 17640 int callingUserId = UserHandle.getUserId(callingUid); 17641 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17642 if (pi == null) { 17643 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17644 + callingUserId); 17645 } 17646 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17647 throw new SecurityException("Calling uid " + callingUid 17648 + " does not own package " + pkg); 17649 } 17650 } 17651 17652 @Override 17653 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17654 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17655 } 17656 17657 private Intent getHomeIntent() { 17658 Intent intent = new Intent(Intent.ACTION_MAIN); 17659 intent.addCategory(Intent.CATEGORY_HOME); 17660 intent.addCategory(Intent.CATEGORY_DEFAULT); 17661 return intent; 17662 } 17663 17664 private IntentFilter getHomeFilter() { 17665 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17666 filter.addCategory(Intent.CATEGORY_HOME); 17667 filter.addCategory(Intent.CATEGORY_DEFAULT); 17668 return filter; 17669 } 17670 17671 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17672 int userId) { 17673 Intent intent = getHomeIntent(); 17674 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17675 PackageManager.GET_META_DATA, userId); 17676 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17677 true, false, false, userId); 17678 17679 allHomeCandidates.clear(); 17680 if (list != null) { 17681 for (ResolveInfo ri : list) { 17682 allHomeCandidates.add(ri); 17683 } 17684 } 17685 return (preferred == null || preferred.activityInfo == null) 17686 ? null 17687 : new ComponentName(preferred.activityInfo.packageName, 17688 preferred.activityInfo.name); 17689 } 17690 17691 @Override 17692 public void setHomeActivity(ComponentName comp, int userId) { 17693 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17694 getHomeActivitiesAsUser(homeActivities, userId); 17695 17696 boolean found = false; 17697 17698 final int size = homeActivities.size(); 17699 final ComponentName[] set = new ComponentName[size]; 17700 for (int i = 0; i < size; i++) { 17701 final ResolveInfo candidate = homeActivities.get(i); 17702 final ActivityInfo info = candidate.activityInfo; 17703 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17704 set[i] = activityName; 17705 if (!found && activityName.equals(comp)) { 17706 found = true; 17707 } 17708 } 17709 if (!found) { 17710 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17711 + userId); 17712 } 17713 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17714 set, comp, userId); 17715 } 17716 17717 private @Nullable String getSetupWizardPackageName() { 17718 final Intent intent = new Intent(Intent.ACTION_MAIN); 17719 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17720 17721 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17722 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17723 | MATCH_DISABLED_COMPONENTS, 17724 UserHandle.myUserId()); 17725 if (matches.size() == 1) { 17726 return matches.get(0).getComponentInfo().packageName; 17727 } else { 17728 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17729 + ": matches=" + matches); 17730 return null; 17731 } 17732 } 17733 17734 @Override 17735 public void setApplicationEnabledSetting(String appPackageName, 17736 int newState, int flags, int userId, String callingPackage) { 17737 if (!sUserManager.exists(userId)) return; 17738 if (callingPackage == null) { 17739 callingPackage = Integer.toString(Binder.getCallingUid()); 17740 } 17741 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17742 } 17743 17744 @Override 17745 public void setComponentEnabledSetting(ComponentName componentName, 17746 int newState, int flags, int userId) { 17747 if (!sUserManager.exists(userId)) return; 17748 setEnabledSetting(componentName.getPackageName(), 17749 componentName.getClassName(), newState, flags, userId, null); 17750 } 17751 17752 private void setEnabledSetting(final String packageName, String className, int newState, 17753 final int flags, int userId, String callingPackage) { 17754 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17755 || newState == COMPONENT_ENABLED_STATE_ENABLED 17756 || newState == COMPONENT_ENABLED_STATE_DISABLED 17757 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17758 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17759 throw new IllegalArgumentException("Invalid new component state: " 17760 + newState); 17761 } 17762 PackageSetting pkgSetting; 17763 final int uid = Binder.getCallingUid(); 17764 final int permission; 17765 if (uid == Process.SYSTEM_UID) { 17766 permission = PackageManager.PERMISSION_GRANTED; 17767 } else { 17768 permission = mContext.checkCallingOrSelfPermission( 17769 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17770 } 17771 enforceCrossUserPermission(uid, userId, 17772 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17773 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17774 boolean sendNow = false; 17775 boolean isApp = (className == null); 17776 String componentName = isApp ? packageName : className; 17777 int packageUid = -1; 17778 ArrayList<String> components; 17779 17780 // writer 17781 synchronized (mPackages) { 17782 pkgSetting = mSettings.mPackages.get(packageName); 17783 if (pkgSetting == null) { 17784 if (className == null) { 17785 throw new IllegalArgumentException("Unknown package: " + packageName); 17786 } 17787 throw new IllegalArgumentException( 17788 "Unknown component: " + packageName + "/" + className); 17789 } 17790 } 17791 17792 // Limit who can change which apps 17793 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17794 // Don't allow apps that don't have permission to modify other apps 17795 if (!allowedByPermission) { 17796 throw new SecurityException( 17797 "Permission Denial: attempt to change component state from pid=" 17798 + Binder.getCallingPid() 17799 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17800 } 17801 // Don't allow changing protected packages. 17802 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 17803 throw new SecurityException("Cannot disable a protected package: " + packageName); 17804 } 17805 } 17806 17807 synchronized (mPackages) { 17808 if (uid == Process.SHELL_UID) { 17809 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17810 int oldState = pkgSetting.getEnabled(userId); 17811 if (className == null 17812 && 17813 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17814 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17815 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17816 && 17817 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17818 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17819 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17820 // ok 17821 } else { 17822 throw new SecurityException( 17823 "Shell cannot change component state for " + packageName + "/" 17824 + className + " to " + newState); 17825 } 17826 } 17827 if (className == null) { 17828 // We're dealing with an application/package level state change 17829 if (pkgSetting.getEnabled(userId) == newState) { 17830 // Nothing to do 17831 return; 17832 } 17833 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17834 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17835 // Don't care about who enables an app. 17836 callingPackage = null; 17837 } 17838 pkgSetting.setEnabled(newState, userId, callingPackage); 17839 // pkgSetting.pkg.mSetEnabled = newState; 17840 } else { 17841 // We're dealing with a component level state change 17842 // First, verify that this is a valid class name. 17843 PackageParser.Package pkg = pkgSetting.pkg; 17844 if (pkg == null || !pkg.hasComponentClassName(className)) { 17845 if (pkg != null && 17846 pkg.applicationInfo.targetSdkVersion >= 17847 Build.VERSION_CODES.JELLY_BEAN) { 17848 throw new IllegalArgumentException("Component class " + className 17849 + " does not exist in " + packageName); 17850 } else { 17851 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17852 + className + " does not exist in " + packageName); 17853 } 17854 } 17855 switch (newState) { 17856 case COMPONENT_ENABLED_STATE_ENABLED: 17857 if (!pkgSetting.enableComponentLPw(className, userId)) { 17858 return; 17859 } 17860 break; 17861 case COMPONENT_ENABLED_STATE_DISABLED: 17862 if (!pkgSetting.disableComponentLPw(className, userId)) { 17863 return; 17864 } 17865 break; 17866 case COMPONENT_ENABLED_STATE_DEFAULT: 17867 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17868 return; 17869 } 17870 break; 17871 default: 17872 Slog.e(TAG, "Invalid new component state: " + newState); 17873 return; 17874 } 17875 } 17876 scheduleWritePackageRestrictionsLocked(userId); 17877 components = mPendingBroadcasts.get(userId, packageName); 17878 final boolean newPackage = components == null; 17879 if (newPackage) { 17880 components = new ArrayList<String>(); 17881 } 17882 if (!components.contains(componentName)) { 17883 components.add(componentName); 17884 } 17885 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17886 sendNow = true; 17887 // Purge entry from pending broadcast list if another one exists already 17888 // since we are sending one right away. 17889 mPendingBroadcasts.remove(userId, packageName); 17890 } else { 17891 if (newPackage) { 17892 mPendingBroadcasts.put(userId, packageName, components); 17893 } 17894 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17895 // Schedule a message 17896 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17897 } 17898 } 17899 } 17900 17901 long callingId = Binder.clearCallingIdentity(); 17902 try { 17903 if (sendNow) { 17904 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17905 sendPackageChangedBroadcast(packageName, 17906 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17907 } 17908 } finally { 17909 Binder.restoreCallingIdentity(callingId); 17910 } 17911 } 17912 17913 @Override 17914 public void flushPackageRestrictionsAsUser(int userId) { 17915 if (!sUserManager.exists(userId)) { 17916 return; 17917 } 17918 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17919 false /* checkShell */, "flushPackageRestrictions"); 17920 synchronized (mPackages) { 17921 mSettings.writePackageRestrictionsLPr(userId); 17922 mDirtyUsers.remove(userId); 17923 if (mDirtyUsers.isEmpty()) { 17924 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17925 } 17926 } 17927 } 17928 17929 private void sendPackageChangedBroadcast(String packageName, 17930 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17931 if (DEBUG_INSTALL) 17932 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17933 + componentNames); 17934 Bundle extras = new Bundle(4); 17935 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17936 String nameList[] = new String[componentNames.size()]; 17937 componentNames.toArray(nameList); 17938 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17939 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17940 extras.putInt(Intent.EXTRA_UID, packageUid); 17941 // If this is not reporting a change of the overall package, then only send it 17942 // to registered receivers. We don't want to launch a swath of apps for every 17943 // little component state change. 17944 final int flags = !componentNames.contains(packageName) 17945 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17946 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17947 new int[] {UserHandle.getUserId(packageUid)}); 17948 } 17949 17950 @Override 17951 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17952 if (!sUserManager.exists(userId)) return; 17953 final int uid = Binder.getCallingUid(); 17954 final int permission = mContext.checkCallingOrSelfPermission( 17955 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17956 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17957 enforceCrossUserPermission(uid, userId, 17958 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17959 // writer 17960 synchronized (mPackages) { 17961 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17962 allowedByPermission, uid, userId)) { 17963 scheduleWritePackageRestrictionsLocked(userId); 17964 } 17965 } 17966 } 17967 17968 @Override 17969 public String getInstallerPackageName(String packageName) { 17970 // reader 17971 synchronized (mPackages) { 17972 return mSettings.getInstallerPackageNameLPr(packageName); 17973 } 17974 } 17975 17976 public boolean isOrphaned(String packageName) { 17977 // reader 17978 synchronized (mPackages) { 17979 return mSettings.isOrphaned(packageName); 17980 } 17981 } 17982 17983 @Override 17984 public int getApplicationEnabledSetting(String packageName, int userId) { 17985 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17986 int uid = Binder.getCallingUid(); 17987 enforceCrossUserPermission(uid, userId, 17988 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17989 // reader 17990 synchronized (mPackages) { 17991 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17992 } 17993 } 17994 17995 @Override 17996 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17997 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17998 int uid = Binder.getCallingUid(); 17999 enforceCrossUserPermission(uid, userId, 18000 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 18001 // reader 18002 synchronized (mPackages) { 18003 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 18004 } 18005 } 18006 18007 @Override 18008 public void enterSafeMode() { 18009 enforceSystemOrRoot("Only the system can request entering safe mode"); 18010 18011 if (!mSystemReady) { 18012 mSafeMode = true; 18013 } 18014 } 18015 18016 @Override 18017 public void systemReady() { 18018 mSystemReady = true; 18019 18020 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 18021 // disabled after already being started. 18022 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 18023 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 18024 18025 // Read the compatibilty setting when the system is ready. 18026 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18027 mContext.getContentResolver(), 18028 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18029 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18030 if (DEBUG_SETTINGS) { 18031 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18032 } 18033 18034 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18035 18036 synchronized (mPackages) { 18037 // Verify that all of the preferred activity components actually 18038 // exist. It is possible for applications to be updated and at 18039 // that point remove a previously declared activity component that 18040 // had been set as a preferred activity. We try to clean this up 18041 // the next time we encounter that preferred activity, but it is 18042 // possible for the user flow to never be able to return to that 18043 // situation so here we do a sanity check to make sure we haven't 18044 // left any junk around. 18045 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18046 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18047 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18048 removed.clear(); 18049 for (PreferredActivity pa : pir.filterSet()) { 18050 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18051 removed.add(pa); 18052 } 18053 } 18054 if (removed.size() > 0) { 18055 for (int r=0; r<removed.size(); r++) { 18056 PreferredActivity pa = removed.get(r); 18057 Slog.w(TAG, "Removing dangling preferred activity: " 18058 + pa.mPref.mComponent); 18059 pir.removeFilter(pa); 18060 } 18061 mSettings.writePackageRestrictionsLPr( 18062 mSettings.mPreferredActivities.keyAt(i)); 18063 } 18064 } 18065 18066 for (int userId : UserManagerService.getInstance().getUserIds()) { 18067 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18068 grantPermissionsUserIds = ArrayUtils.appendInt( 18069 grantPermissionsUserIds, userId); 18070 } 18071 } 18072 } 18073 sUserManager.systemReady(); 18074 18075 // If we upgraded grant all default permissions before kicking off. 18076 for (int userId : grantPermissionsUserIds) { 18077 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18078 } 18079 18080 // If we did not grant default permissions, we preload from this the 18081 // default permission exceptions lazily to ensure we don't hit the 18082 // disk on a new user creation. 18083 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 18084 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 18085 } 18086 18087 // Kick off any messages waiting for system ready 18088 if (mPostSystemReadyMessages != null) { 18089 for (Message msg : mPostSystemReadyMessages) { 18090 msg.sendToTarget(); 18091 } 18092 mPostSystemReadyMessages = null; 18093 } 18094 18095 // Watch for external volumes that come and go over time 18096 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18097 storage.registerListener(mStorageListener); 18098 18099 mInstallerService.systemReady(); 18100 mPackageDexOptimizer.systemReady(); 18101 18102 MountServiceInternal mountServiceInternal = LocalServices.getService( 18103 MountServiceInternal.class); 18104 mountServiceInternal.addExternalStoragePolicy( 18105 new MountServiceInternal.ExternalStorageMountPolicy() { 18106 @Override 18107 public int getMountMode(int uid, String packageName) { 18108 if (Process.isIsolated(uid)) { 18109 return Zygote.MOUNT_EXTERNAL_NONE; 18110 } 18111 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18112 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18113 } 18114 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18115 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18116 } 18117 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18118 return Zygote.MOUNT_EXTERNAL_READ; 18119 } 18120 return Zygote.MOUNT_EXTERNAL_WRITE; 18121 } 18122 18123 @Override 18124 public boolean hasExternalStorage(int uid, String packageName) { 18125 return true; 18126 } 18127 }); 18128 18129 // Now that we're mostly running, clean up stale users and apps 18130 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18131 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18132 } 18133 18134 @Override 18135 public boolean isSafeMode() { 18136 return mSafeMode; 18137 } 18138 18139 @Override 18140 public boolean hasSystemUidErrors() { 18141 return mHasSystemUidErrors; 18142 } 18143 18144 static String arrayToString(int[] array) { 18145 StringBuffer buf = new StringBuffer(128); 18146 buf.append('['); 18147 if (array != null) { 18148 for (int i=0; i<array.length; i++) { 18149 if (i > 0) buf.append(", "); 18150 buf.append(array[i]); 18151 } 18152 } 18153 buf.append(']'); 18154 return buf.toString(); 18155 } 18156 18157 static class DumpState { 18158 public static final int DUMP_LIBS = 1 << 0; 18159 public static final int DUMP_FEATURES = 1 << 1; 18160 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18161 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18162 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18163 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18164 public static final int DUMP_PERMISSIONS = 1 << 6; 18165 public static final int DUMP_PACKAGES = 1 << 7; 18166 public static final int DUMP_SHARED_USERS = 1 << 8; 18167 public static final int DUMP_MESSAGES = 1 << 9; 18168 public static final int DUMP_PROVIDERS = 1 << 10; 18169 public static final int DUMP_VERIFIERS = 1 << 11; 18170 public static final int DUMP_PREFERRED = 1 << 12; 18171 public static final int DUMP_PREFERRED_XML = 1 << 13; 18172 public static final int DUMP_KEYSETS = 1 << 14; 18173 public static final int DUMP_VERSION = 1 << 15; 18174 public static final int DUMP_INSTALLS = 1 << 16; 18175 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18176 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18177 public static final int DUMP_FROZEN = 1 << 19; 18178 public static final int DUMP_DEXOPT = 1 << 20; 18179 public static final int DUMP_COMPILER_STATS = 1 << 21; 18180 18181 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18182 18183 private int mTypes; 18184 18185 private int mOptions; 18186 18187 private boolean mTitlePrinted; 18188 18189 private SharedUserSetting mSharedUser; 18190 18191 public boolean isDumping(int type) { 18192 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18193 return true; 18194 } 18195 18196 return (mTypes & type) != 0; 18197 } 18198 18199 public void setDump(int type) { 18200 mTypes |= type; 18201 } 18202 18203 public boolean isOptionEnabled(int option) { 18204 return (mOptions & option) != 0; 18205 } 18206 18207 public void setOptionEnabled(int option) { 18208 mOptions |= option; 18209 } 18210 18211 public boolean onTitlePrinted() { 18212 final boolean printed = mTitlePrinted; 18213 mTitlePrinted = true; 18214 return printed; 18215 } 18216 18217 public boolean getTitlePrinted() { 18218 return mTitlePrinted; 18219 } 18220 18221 public void setTitlePrinted(boolean enabled) { 18222 mTitlePrinted = enabled; 18223 } 18224 18225 public SharedUserSetting getSharedUser() { 18226 return mSharedUser; 18227 } 18228 18229 public void setSharedUser(SharedUserSetting user) { 18230 mSharedUser = user; 18231 } 18232 } 18233 18234 @Override 18235 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18236 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18237 (new PackageManagerShellCommand(this)).exec( 18238 this, in, out, err, args, resultReceiver); 18239 } 18240 18241 @Override 18242 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18243 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18244 != PackageManager.PERMISSION_GRANTED) { 18245 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18246 + Binder.getCallingPid() 18247 + ", uid=" + Binder.getCallingUid() 18248 + " without permission " 18249 + android.Manifest.permission.DUMP); 18250 return; 18251 } 18252 18253 DumpState dumpState = new DumpState(); 18254 boolean fullPreferred = false; 18255 boolean checkin = false; 18256 18257 String packageName = null; 18258 ArraySet<String> permissionNames = null; 18259 18260 int opti = 0; 18261 while (opti < args.length) { 18262 String opt = args[opti]; 18263 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18264 break; 18265 } 18266 opti++; 18267 18268 if ("-a".equals(opt)) { 18269 // Right now we only know how to print all. 18270 } else if ("-h".equals(opt)) { 18271 pw.println("Package manager dump options:"); 18272 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18273 pw.println(" --checkin: dump for a checkin"); 18274 pw.println(" -f: print details of intent filters"); 18275 pw.println(" -h: print this help"); 18276 pw.println(" cmd may be one of:"); 18277 pw.println(" l[ibraries]: list known shared libraries"); 18278 pw.println(" f[eatures]: list device features"); 18279 pw.println(" k[eysets]: print known keysets"); 18280 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18281 pw.println(" perm[issions]: dump permissions"); 18282 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18283 pw.println(" pref[erred]: print preferred package settings"); 18284 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18285 pw.println(" prov[iders]: dump content providers"); 18286 pw.println(" p[ackages]: dump installed packages"); 18287 pw.println(" s[hared-users]: dump shared user IDs"); 18288 pw.println(" m[essages]: print collected runtime messages"); 18289 pw.println(" v[erifiers]: print package verifier info"); 18290 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18291 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18292 pw.println(" version: print database version info"); 18293 pw.println(" write: write current settings now"); 18294 pw.println(" installs: details about install sessions"); 18295 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18296 pw.println(" dexopt: dump dexopt state"); 18297 pw.println(" compiler-stats: dump compiler statistics"); 18298 pw.println(" <package.name>: info about given package"); 18299 return; 18300 } else if ("--checkin".equals(opt)) { 18301 checkin = true; 18302 } else if ("-f".equals(opt)) { 18303 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18304 } else { 18305 pw.println("Unknown argument: " + opt + "; use -h for help"); 18306 } 18307 } 18308 18309 // Is the caller requesting to dump a particular piece of data? 18310 if (opti < args.length) { 18311 String cmd = args[opti]; 18312 opti++; 18313 // Is this a package name? 18314 if ("android".equals(cmd) || cmd.contains(".")) { 18315 packageName = cmd; 18316 // When dumping a single package, we always dump all of its 18317 // filter information since the amount of data will be reasonable. 18318 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18319 } else if ("check-permission".equals(cmd)) { 18320 if (opti >= args.length) { 18321 pw.println("Error: check-permission missing permission argument"); 18322 return; 18323 } 18324 String perm = args[opti]; 18325 opti++; 18326 if (opti >= args.length) { 18327 pw.println("Error: check-permission missing package argument"); 18328 return; 18329 } 18330 String pkg = args[opti]; 18331 opti++; 18332 int user = UserHandle.getUserId(Binder.getCallingUid()); 18333 if (opti < args.length) { 18334 try { 18335 user = Integer.parseInt(args[opti]); 18336 } catch (NumberFormatException e) { 18337 pw.println("Error: check-permission user argument is not a number: " 18338 + args[opti]); 18339 return; 18340 } 18341 } 18342 pw.println(checkPermission(perm, pkg, user)); 18343 return; 18344 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18345 dumpState.setDump(DumpState.DUMP_LIBS); 18346 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18347 dumpState.setDump(DumpState.DUMP_FEATURES); 18348 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18349 if (opti >= args.length) { 18350 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18351 | DumpState.DUMP_SERVICE_RESOLVERS 18352 | DumpState.DUMP_RECEIVER_RESOLVERS 18353 | DumpState.DUMP_CONTENT_RESOLVERS); 18354 } else { 18355 while (opti < args.length) { 18356 String name = args[opti]; 18357 if ("a".equals(name) || "activity".equals(name)) { 18358 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18359 } else if ("s".equals(name) || "service".equals(name)) { 18360 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18361 } else if ("r".equals(name) || "receiver".equals(name)) { 18362 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18363 } else if ("c".equals(name) || "content".equals(name)) { 18364 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18365 } else { 18366 pw.println("Error: unknown resolver table type: " + name); 18367 return; 18368 } 18369 opti++; 18370 } 18371 } 18372 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18373 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18374 } else if ("permission".equals(cmd)) { 18375 if (opti >= args.length) { 18376 pw.println("Error: permission requires permission name"); 18377 return; 18378 } 18379 permissionNames = new ArraySet<>(); 18380 while (opti < args.length) { 18381 permissionNames.add(args[opti]); 18382 opti++; 18383 } 18384 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18385 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18386 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18387 dumpState.setDump(DumpState.DUMP_PREFERRED); 18388 } else if ("preferred-xml".equals(cmd)) { 18389 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18390 if (opti < args.length && "--full".equals(args[opti])) { 18391 fullPreferred = true; 18392 opti++; 18393 } 18394 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18395 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18396 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18397 dumpState.setDump(DumpState.DUMP_PACKAGES); 18398 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18399 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18400 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18401 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18402 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18403 dumpState.setDump(DumpState.DUMP_MESSAGES); 18404 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18405 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18406 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18407 || "intent-filter-verifiers".equals(cmd)) { 18408 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18409 } else if ("version".equals(cmd)) { 18410 dumpState.setDump(DumpState.DUMP_VERSION); 18411 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18412 dumpState.setDump(DumpState.DUMP_KEYSETS); 18413 } else if ("installs".equals(cmd)) { 18414 dumpState.setDump(DumpState.DUMP_INSTALLS); 18415 } else if ("frozen".equals(cmd)) { 18416 dumpState.setDump(DumpState.DUMP_FROZEN); 18417 } else if ("dexopt".equals(cmd)) { 18418 dumpState.setDump(DumpState.DUMP_DEXOPT); 18419 } else if ("compiler-stats".equals(cmd)) { 18420 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18421 } else if ("write".equals(cmd)) { 18422 synchronized (mPackages) { 18423 mSettings.writeLPr(); 18424 pw.println("Settings written."); 18425 return; 18426 } 18427 } 18428 } 18429 18430 if (checkin) { 18431 pw.println("vers,1"); 18432 } 18433 18434 // reader 18435 synchronized (mPackages) { 18436 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18437 if (!checkin) { 18438 if (dumpState.onTitlePrinted()) 18439 pw.println(); 18440 pw.println("Database versions:"); 18441 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18442 } 18443 } 18444 18445 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18446 if (!checkin) { 18447 if (dumpState.onTitlePrinted()) 18448 pw.println(); 18449 pw.println("Verifiers:"); 18450 pw.print(" Required: "); 18451 pw.print(mRequiredVerifierPackage); 18452 pw.print(" (uid="); 18453 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18454 UserHandle.USER_SYSTEM)); 18455 pw.println(")"); 18456 } else if (mRequiredVerifierPackage != null) { 18457 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18458 pw.print(","); 18459 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18460 UserHandle.USER_SYSTEM)); 18461 } 18462 } 18463 18464 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18465 packageName == null) { 18466 if (mIntentFilterVerifierComponent != null) { 18467 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18468 if (!checkin) { 18469 if (dumpState.onTitlePrinted()) 18470 pw.println(); 18471 pw.println("Intent Filter Verifier:"); 18472 pw.print(" Using: "); 18473 pw.print(verifierPackageName); 18474 pw.print(" (uid="); 18475 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18476 UserHandle.USER_SYSTEM)); 18477 pw.println(")"); 18478 } else if (verifierPackageName != null) { 18479 pw.print("ifv,"); pw.print(verifierPackageName); 18480 pw.print(","); 18481 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18482 UserHandle.USER_SYSTEM)); 18483 } 18484 } else { 18485 pw.println(); 18486 pw.println("No Intent Filter Verifier available!"); 18487 } 18488 } 18489 18490 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18491 boolean printedHeader = false; 18492 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18493 while (it.hasNext()) { 18494 String name = it.next(); 18495 SharedLibraryEntry ent = mSharedLibraries.get(name); 18496 if (!checkin) { 18497 if (!printedHeader) { 18498 if (dumpState.onTitlePrinted()) 18499 pw.println(); 18500 pw.println("Libraries:"); 18501 printedHeader = true; 18502 } 18503 pw.print(" "); 18504 } else { 18505 pw.print("lib,"); 18506 } 18507 pw.print(name); 18508 if (!checkin) { 18509 pw.print(" -> "); 18510 } 18511 if (ent.path != null) { 18512 if (!checkin) { 18513 pw.print("(jar) "); 18514 pw.print(ent.path); 18515 } else { 18516 pw.print(",jar,"); 18517 pw.print(ent.path); 18518 } 18519 } else { 18520 if (!checkin) { 18521 pw.print("(apk) "); 18522 pw.print(ent.apk); 18523 } else { 18524 pw.print(",apk,"); 18525 pw.print(ent.apk); 18526 } 18527 } 18528 pw.println(); 18529 } 18530 } 18531 18532 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18533 if (dumpState.onTitlePrinted()) 18534 pw.println(); 18535 if (!checkin) { 18536 pw.println("Features:"); 18537 } 18538 18539 for (FeatureInfo feat : mAvailableFeatures.values()) { 18540 if (checkin) { 18541 pw.print("feat,"); 18542 pw.print(feat.name); 18543 pw.print(","); 18544 pw.println(feat.version); 18545 } else { 18546 pw.print(" "); 18547 pw.print(feat.name); 18548 if (feat.version > 0) { 18549 pw.print(" version="); 18550 pw.print(feat.version); 18551 } 18552 pw.println(); 18553 } 18554 } 18555 } 18556 18557 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18558 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18559 : "Activity Resolver Table:", " ", packageName, 18560 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18561 dumpState.setTitlePrinted(true); 18562 } 18563 } 18564 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18565 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18566 : "Receiver Resolver Table:", " ", packageName, 18567 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18568 dumpState.setTitlePrinted(true); 18569 } 18570 } 18571 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18572 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18573 : "Service Resolver Table:", " ", packageName, 18574 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18575 dumpState.setTitlePrinted(true); 18576 } 18577 } 18578 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18579 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18580 : "Provider Resolver Table:", " ", packageName, 18581 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18582 dumpState.setTitlePrinted(true); 18583 } 18584 } 18585 18586 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18587 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18588 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18589 int user = mSettings.mPreferredActivities.keyAt(i); 18590 if (pir.dump(pw, 18591 dumpState.getTitlePrinted() 18592 ? "\nPreferred Activities User " + user + ":" 18593 : "Preferred Activities User " + user + ":", " ", 18594 packageName, true, false)) { 18595 dumpState.setTitlePrinted(true); 18596 } 18597 } 18598 } 18599 18600 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18601 pw.flush(); 18602 FileOutputStream fout = new FileOutputStream(fd); 18603 BufferedOutputStream str = new BufferedOutputStream(fout); 18604 XmlSerializer serializer = new FastXmlSerializer(); 18605 try { 18606 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18607 serializer.startDocument(null, true); 18608 serializer.setFeature( 18609 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18610 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18611 serializer.endDocument(); 18612 serializer.flush(); 18613 } catch (IllegalArgumentException e) { 18614 pw.println("Failed writing: " + e); 18615 } catch (IllegalStateException e) { 18616 pw.println("Failed writing: " + e); 18617 } catch (IOException e) { 18618 pw.println("Failed writing: " + e); 18619 } 18620 } 18621 18622 if (!checkin 18623 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18624 && packageName == null) { 18625 pw.println(); 18626 int count = mSettings.mPackages.size(); 18627 if (count == 0) { 18628 pw.println("No applications!"); 18629 pw.println(); 18630 } else { 18631 final String prefix = " "; 18632 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18633 if (allPackageSettings.size() == 0) { 18634 pw.println("No domain preferred apps!"); 18635 pw.println(); 18636 } else { 18637 pw.println("App verification status:"); 18638 pw.println(); 18639 count = 0; 18640 for (PackageSetting ps : allPackageSettings) { 18641 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18642 if (ivi == null || ivi.getPackageName() == null) continue; 18643 pw.println(prefix + "Package: " + ivi.getPackageName()); 18644 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18645 pw.println(prefix + "Status: " + ivi.getStatusString()); 18646 pw.println(); 18647 count++; 18648 } 18649 if (count == 0) { 18650 pw.println(prefix + "No app verification established."); 18651 pw.println(); 18652 } 18653 for (int userId : sUserManager.getUserIds()) { 18654 pw.println("App linkages for user " + userId + ":"); 18655 pw.println(); 18656 count = 0; 18657 for (PackageSetting ps : allPackageSettings) { 18658 final long status = ps.getDomainVerificationStatusForUser(userId); 18659 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18660 continue; 18661 } 18662 pw.println(prefix + "Package: " + ps.name); 18663 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18664 String statusStr = IntentFilterVerificationInfo. 18665 getStatusStringFromValue(status); 18666 pw.println(prefix + "Status: " + statusStr); 18667 pw.println(); 18668 count++; 18669 } 18670 if (count == 0) { 18671 pw.println(prefix + "No configured app linkages."); 18672 pw.println(); 18673 } 18674 } 18675 } 18676 } 18677 } 18678 18679 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18680 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18681 if (packageName == null && permissionNames == null) { 18682 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18683 if (iperm == 0) { 18684 if (dumpState.onTitlePrinted()) 18685 pw.println(); 18686 pw.println("AppOp Permissions:"); 18687 } 18688 pw.print(" AppOp Permission "); 18689 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18690 pw.println(":"); 18691 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18692 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18693 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18694 } 18695 } 18696 } 18697 } 18698 18699 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18700 boolean printedSomething = false; 18701 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18702 if (packageName != null && !packageName.equals(p.info.packageName)) { 18703 continue; 18704 } 18705 if (!printedSomething) { 18706 if (dumpState.onTitlePrinted()) 18707 pw.println(); 18708 pw.println("Registered ContentProviders:"); 18709 printedSomething = true; 18710 } 18711 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18712 pw.print(" "); pw.println(p.toString()); 18713 } 18714 printedSomething = false; 18715 for (Map.Entry<String, PackageParser.Provider> entry : 18716 mProvidersByAuthority.entrySet()) { 18717 PackageParser.Provider p = entry.getValue(); 18718 if (packageName != null && !packageName.equals(p.info.packageName)) { 18719 continue; 18720 } 18721 if (!printedSomething) { 18722 if (dumpState.onTitlePrinted()) 18723 pw.println(); 18724 pw.println("ContentProvider Authorities:"); 18725 printedSomething = true; 18726 } 18727 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18728 pw.print(" "); pw.println(p.toString()); 18729 if (p.info != null && p.info.applicationInfo != null) { 18730 final String appInfo = p.info.applicationInfo.toString(); 18731 pw.print(" applicationInfo="); pw.println(appInfo); 18732 } 18733 } 18734 } 18735 18736 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18737 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18738 } 18739 18740 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18741 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18742 } 18743 18744 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18745 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18746 } 18747 18748 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18749 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18750 } 18751 18752 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18753 // XXX should handle packageName != null by dumping only install data that 18754 // the given package is involved with. 18755 if (dumpState.onTitlePrinted()) pw.println(); 18756 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18757 } 18758 18759 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18760 // XXX should handle packageName != null by dumping only install data that 18761 // the given package is involved with. 18762 if (dumpState.onTitlePrinted()) pw.println(); 18763 18764 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18765 ipw.println(); 18766 ipw.println("Frozen packages:"); 18767 ipw.increaseIndent(); 18768 if (mFrozenPackages.size() == 0) { 18769 ipw.println("(none)"); 18770 } else { 18771 for (int i = 0; i < mFrozenPackages.size(); i++) { 18772 ipw.println(mFrozenPackages.valueAt(i)); 18773 } 18774 } 18775 ipw.decreaseIndent(); 18776 } 18777 18778 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18779 if (dumpState.onTitlePrinted()) pw.println(); 18780 dumpDexoptStateLPr(pw, packageName); 18781 } 18782 18783 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 18784 if (dumpState.onTitlePrinted()) pw.println(); 18785 dumpCompilerStatsLPr(pw, packageName); 18786 } 18787 18788 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18789 if (dumpState.onTitlePrinted()) pw.println(); 18790 mSettings.dumpReadMessagesLPr(pw, dumpState); 18791 18792 pw.println(); 18793 pw.println("Package warning messages:"); 18794 BufferedReader in = null; 18795 String line = null; 18796 try { 18797 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18798 while ((line = in.readLine()) != null) { 18799 if (line.contains("ignored: updated version")) continue; 18800 pw.println(line); 18801 } 18802 } catch (IOException ignored) { 18803 } finally { 18804 IoUtils.closeQuietly(in); 18805 } 18806 } 18807 18808 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18809 BufferedReader in = null; 18810 String line = null; 18811 try { 18812 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18813 while ((line = in.readLine()) != null) { 18814 if (line.contains("ignored: updated version")) continue; 18815 pw.print("msg,"); 18816 pw.println(line); 18817 } 18818 } catch (IOException ignored) { 18819 } finally { 18820 IoUtils.closeQuietly(in); 18821 } 18822 } 18823 } 18824 } 18825 18826 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18827 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18828 ipw.println(); 18829 ipw.println("Dexopt state:"); 18830 ipw.increaseIndent(); 18831 Collection<PackageParser.Package> packages = null; 18832 if (packageName != null) { 18833 PackageParser.Package targetPackage = mPackages.get(packageName); 18834 if (targetPackage != null) { 18835 packages = Collections.singletonList(targetPackage); 18836 } else { 18837 ipw.println("Unable to find package: " + packageName); 18838 return; 18839 } 18840 } else { 18841 packages = mPackages.values(); 18842 } 18843 18844 for (PackageParser.Package pkg : packages) { 18845 ipw.println("[" + pkg.packageName + "]"); 18846 ipw.increaseIndent(); 18847 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18848 ipw.decreaseIndent(); 18849 } 18850 } 18851 18852 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 18853 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18854 ipw.println(); 18855 ipw.println("Compiler stats:"); 18856 ipw.increaseIndent(); 18857 Collection<PackageParser.Package> packages = null; 18858 if (packageName != null) { 18859 PackageParser.Package targetPackage = mPackages.get(packageName); 18860 if (targetPackage != null) { 18861 packages = Collections.singletonList(targetPackage); 18862 } else { 18863 ipw.println("Unable to find package: " + packageName); 18864 return; 18865 } 18866 } else { 18867 packages = mPackages.values(); 18868 } 18869 18870 for (PackageParser.Package pkg : packages) { 18871 ipw.println("[" + pkg.packageName + "]"); 18872 ipw.increaseIndent(); 18873 18874 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 18875 if (stats == null) { 18876 ipw.println("(No recorded stats)"); 18877 } else { 18878 stats.dump(ipw); 18879 } 18880 ipw.decreaseIndent(); 18881 } 18882 } 18883 18884 private String dumpDomainString(String packageName) { 18885 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18886 .getList(); 18887 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18888 18889 ArraySet<String> result = new ArraySet<>(); 18890 if (iviList.size() > 0) { 18891 for (IntentFilterVerificationInfo ivi : iviList) { 18892 for (String host : ivi.getDomains()) { 18893 result.add(host); 18894 } 18895 } 18896 } 18897 if (filters != null && filters.size() > 0) { 18898 for (IntentFilter filter : filters) { 18899 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18900 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18901 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18902 result.addAll(filter.getHostsList()); 18903 } 18904 } 18905 } 18906 18907 StringBuilder sb = new StringBuilder(result.size() * 16); 18908 for (String domain : result) { 18909 if (sb.length() > 0) sb.append(" "); 18910 sb.append(domain); 18911 } 18912 return sb.toString(); 18913 } 18914 18915 // ------- apps on sdcard specific code ------- 18916 static final boolean DEBUG_SD_INSTALL = false; 18917 18918 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18919 18920 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18921 18922 private boolean mMediaMounted = false; 18923 18924 static String getEncryptKey() { 18925 try { 18926 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18927 SD_ENCRYPTION_KEYSTORE_NAME); 18928 if (sdEncKey == null) { 18929 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18930 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18931 if (sdEncKey == null) { 18932 Slog.e(TAG, "Failed to create encryption keys"); 18933 return null; 18934 } 18935 } 18936 return sdEncKey; 18937 } catch (NoSuchAlgorithmException nsae) { 18938 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18939 return null; 18940 } catch (IOException ioe) { 18941 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18942 return null; 18943 } 18944 } 18945 18946 /* 18947 * Update media status on PackageManager. 18948 */ 18949 @Override 18950 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18951 int callingUid = Binder.getCallingUid(); 18952 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18953 throw new SecurityException("Media status can only be updated by the system"); 18954 } 18955 // reader; this apparently protects mMediaMounted, but should probably 18956 // be a different lock in that case. 18957 synchronized (mPackages) { 18958 Log.i(TAG, "Updating external media status from " 18959 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18960 + (mediaStatus ? "mounted" : "unmounted")); 18961 if (DEBUG_SD_INSTALL) 18962 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18963 + ", mMediaMounted=" + mMediaMounted); 18964 if (mediaStatus == mMediaMounted) { 18965 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18966 : 0, -1); 18967 mHandler.sendMessage(msg); 18968 return; 18969 } 18970 mMediaMounted = mediaStatus; 18971 } 18972 // Queue up an async operation since the package installation may take a 18973 // little while. 18974 mHandler.post(new Runnable() { 18975 public void run() { 18976 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18977 } 18978 }); 18979 } 18980 18981 /** 18982 * Called by MountService when the initial ASECs to scan are available. 18983 * Should block until all the ASEC containers are finished being scanned. 18984 */ 18985 public void scanAvailableAsecs() { 18986 updateExternalMediaStatusInner(true, false, false); 18987 } 18988 18989 /* 18990 * Collect information of applications on external media, map them against 18991 * existing containers and update information based on current mount status. 18992 * Please note that we always have to report status if reportStatus has been 18993 * set to true especially when unloading packages. 18994 */ 18995 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18996 boolean externalStorage) { 18997 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18998 int[] uidArr = EmptyArray.INT; 18999 19000 final String[] list = PackageHelper.getSecureContainerList(); 19001 if (ArrayUtils.isEmpty(list)) { 19002 Log.i(TAG, "No secure containers found"); 19003 } else { 19004 // Process list of secure containers and categorize them 19005 // as active or stale based on their package internal state. 19006 19007 // reader 19008 synchronized (mPackages) { 19009 for (String cid : list) { 19010 // Leave stages untouched for now; installer service owns them 19011 if (PackageInstallerService.isStageName(cid)) continue; 19012 19013 if (DEBUG_SD_INSTALL) 19014 Log.i(TAG, "Processing container " + cid); 19015 String pkgName = getAsecPackageName(cid); 19016 if (pkgName == null) { 19017 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 19018 continue; 19019 } 19020 if (DEBUG_SD_INSTALL) 19021 Log.i(TAG, "Looking for pkg : " + pkgName); 19022 19023 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19024 if (ps == null) { 19025 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 19026 continue; 19027 } 19028 19029 /* 19030 * Skip packages that are not external if we're unmounting 19031 * external storage. 19032 */ 19033 if (externalStorage && !isMounted && !isExternal(ps)) { 19034 continue; 19035 } 19036 19037 final AsecInstallArgs args = new AsecInstallArgs(cid, 19038 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19039 // The package status is changed only if the code path 19040 // matches between settings and the container id. 19041 if (ps.codePathString != null 19042 && ps.codePathString.startsWith(args.getCodePath())) { 19043 if (DEBUG_SD_INSTALL) { 19044 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19045 + " at code path: " + ps.codePathString); 19046 } 19047 19048 // We do have a valid package installed on sdcard 19049 processCids.put(args, ps.codePathString); 19050 final int uid = ps.appId; 19051 if (uid != -1) { 19052 uidArr = ArrayUtils.appendInt(uidArr, uid); 19053 } 19054 } else { 19055 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19056 + ps.codePathString); 19057 } 19058 } 19059 } 19060 19061 Arrays.sort(uidArr); 19062 } 19063 19064 // Process packages with valid entries. 19065 if (isMounted) { 19066 if (DEBUG_SD_INSTALL) 19067 Log.i(TAG, "Loading packages"); 19068 loadMediaPackages(processCids, uidArr, externalStorage); 19069 startCleaningPackages(); 19070 mInstallerService.onSecureContainersAvailable(); 19071 } else { 19072 if (DEBUG_SD_INSTALL) 19073 Log.i(TAG, "Unloading packages"); 19074 unloadMediaPackages(processCids, uidArr, reportStatus); 19075 } 19076 } 19077 19078 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19079 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19080 final int size = infos.size(); 19081 final String[] packageNames = new String[size]; 19082 final int[] packageUids = new int[size]; 19083 for (int i = 0; i < size; i++) { 19084 final ApplicationInfo info = infos.get(i); 19085 packageNames[i] = info.packageName; 19086 packageUids[i] = info.uid; 19087 } 19088 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19089 finishedReceiver); 19090 } 19091 19092 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19093 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19094 sendResourcesChangedBroadcast(mediaStatus, replacing, 19095 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19096 } 19097 19098 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19099 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19100 int size = pkgList.length; 19101 if (size > 0) { 19102 // Send broadcasts here 19103 Bundle extras = new Bundle(); 19104 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19105 if (uidArr != null) { 19106 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19107 } 19108 if (replacing) { 19109 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19110 } 19111 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19112 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19113 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19114 } 19115 } 19116 19117 /* 19118 * Look at potentially valid container ids from processCids If package 19119 * information doesn't match the one on record or package scanning fails, 19120 * the cid is added to list of removeCids. We currently don't delete stale 19121 * containers. 19122 */ 19123 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19124 boolean externalStorage) { 19125 ArrayList<String> pkgList = new ArrayList<String>(); 19126 Set<AsecInstallArgs> keys = processCids.keySet(); 19127 19128 for (AsecInstallArgs args : keys) { 19129 String codePath = processCids.get(args); 19130 if (DEBUG_SD_INSTALL) 19131 Log.i(TAG, "Loading container : " + args.cid); 19132 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19133 try { 19134 // Make sure there are no container errors first. 19135 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19136 Slog.e(TAG, "Failed to mount cid : " + args.cid 19137 + " when installing from sdcard"); 19138 continue; 19139 } 19140 // Check code path here. 19141 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19142 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19143 + " does not match one in settings " + codePath); 19144 continue; 19145 } 19146 // Parse package 19147 int parseFlags = mDefParseFlags; 19148 if (args.isExternalAsec()) { 19149 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19150 } 19151 if (args.isFwdLocked()) { 19152 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19153 } 19154 19155 synchronized (mInstallLock) { 19156 PackageParser.Package pkg = null; 19157 try { 19158 // Sadly we don't know the package name yet to freeze it 19159 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19160 SCAN_IGNORE_FROZEN, 0, null); 19161 } catch (PackageManagerException e) { 19162 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19163 } 19164 // Scan the package 19165 if (pkg != null) { 19166 /* 19167 * TODO why is the lock being held? doPostInstall is 19168 * called in other places without the lock. This needs 19169 * to be straightened out. 19170 */ 19171 // writer 19172 synchronized (mPackages) { 19173 retCode = PackageManager.INSTALL_SUCCEEDED; 19174 pkgList.add(pkg.packageName); 19175 // Post process args 19176 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19177 pkg.applicationInfo.uid); 19178 } 19179 } else { 19180 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19181 } 19182 } 19183 19184 } finally { 19185 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19186 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19187 } 19188 } 19189 } 19190 // writer 19191 synchronized (mPackages) { 19192 // If the platform SDK has changed since the last time we booted, 19193 // we need to re-grant app permission to catch any new ones that 19194 // appear. This is really a hack, and means that apps can in some 19195 // cases get permissions that the user didn't initially explicitly 19196 // allow... it would be nice to have some better way to handle 19197 // this situation. 19198 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19199 : mSettings.getInternalVersion(); 19200 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19201 : StorageManager.UUID_PRIVATE_INTERNAL; 19202 19203 int updateFlags = UPDATE_PERMISSIONS_ALL; 19204 if (ver.sdkVersion != mSdkVersion) { 19205 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19206 + mSdkVersion + "; regranting permissions for external"); 19207 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19208 } 19209 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19210 19211 // Yay, everything is now upgraded 19212 ver.forceCurrent(); 19213 19214 // can downgrade to reader 19215 // Persist settings 19216 mSettings.writeLPr(); 19217 } 19218 // Send a broadcast to let everyone know we are done processing 19219 if (pkgList.size() > 0) { 19220 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19221 } 19222 } 19223 19224 /* 19225 * Utility method to unload a list of specified containers 19226 */ 19227 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19228 // Just unmount all valid containers. 19229 for (AsecInstallArgs arg : cidArgs) { 19230 synchronized (mInstallLock) { 19231 arg.doPostDeleteLI(false); 19232 } 19233 } 19234 } 19235 19236 /* 19237 * Unload packages mounted on external media. This involves deleting package 19238 * data from internal structures, sending broadcasts about disabled packages, 19239 * gc'ing to free up references, unmounting all secure containers 19240 * corresponding to packages on external media, and posting a 19241 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19242 * that we always have to post this message if status has been requested no 19243 * matter what. 19244 */ 19245 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19246 final boolean reportStatus) { 19247 if (DEBUG_SD_INSTALL) 19248 Log.i(TAG, "unloading media packages"); 19249 ArrayList<String> pkgList = new ArrayList<String>(); 19250 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19251 final Set<AsecInstallArgs> keys = processCids.keySet(); 19252 for (AsecInstallArgs args : keys) { 19253 String pkgName = args.getPackageName(); 19254 if (DEBUG_SD_INSTALL) 19255 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19256 // Delete package internally 19257 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19258 synchronized (mInstallLock) { 19259 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19260 final boolean res; 19261 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19262 "unloadMediaPackages")) { 19263 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19264 null); 19265 } 19266 if (res) { 19267 pkgList.add(pkgName); 19268 } else { 19269 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19270 failedList.add(args); 19271 } 19272 } 19273 } 19274 19275 // reader 19276 synchronized (mPackages) { 19277 // We didn't update the settings after removing each package; 19278 // write them now for all packages. 19279 mSettings.writeLPr(); 19280 } 19281 19282 // We have to absolutely send UPDATED_MEDIA_STATUS only 19283 // after confirming that all the receivers processed the ordered 19284 // broadcast when packages get disabled, force a gc to clean things up. 19285 // and unload all the containers. 19286 if (pkgList.size() > 0) { 19287 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19288 new IIntentReceiver.Stub() { 19289 public void performReceive(Intent intent, int resultCode, String data, 19290 Bundle extras, boolean ordered, boolean sticky, 19291 int sendingUser) throws RemoteException { 19292 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19293 reportStatus ? 1 : 0, 1, keys); 19294 mHandler.sendMessage(msg); 19295 } 19296 }); 19297 } else { 19298 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19299 keys); 19300 mHandler.sendMessage(msg); 19301 } 19302 } 19303 19304 private void loadPrivatePackages(final VolumeInfo vol) { 19305 mHandler.post(new Runnable() { 19306 @Override 19307 public void run() { 19308 loadPrivatePackagesInner(vol); 19309 } 19310 }); 19311 } 19312 19313 private void loadPrivatePackagesInner(VolumeInfo vol) { 19314 final String volumeUuid = vol.fsUuid; 19315 if (TextUtils.isEmpty(volumeUuid)) { 19316 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19317 return; 19318 } 19319 19320 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19321 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19322 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19323 19324 final VersionInfo ver; 19325 final List<PackageSetting> packages; 19326 synchronized (mPackages) { 19327 ver = mSettings.findOrCreateVersion(volumeUuid); 19328 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19329 } 19330 19331 for (PackageSetting ps : packages) { 19332 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19333 synchronized (mInstallLock) { 19334 final PackageParser.Package pkg; 19335 try { 19336 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19337 loaded.add(pkg.applicationInfo); 19338 19339 } catch (PackageManagerException e) { 19340 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19341 } 19342 19343 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19344 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19345 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19346 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19347 } 19348 } 19349 } 19350 19351 // Reconcile app data for all started/unlocked users 19352 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19353 final UserManager um = mContext.getSystemService(UserManager.class); 19354 UserManagerInternal umInternal = getUserManagerInternal(); 19355 for (UserInfo user : um.getUsers()) { 19356 final int flags; 19357 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19358 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19359 } else if (umInternal.isUserRunning(user.id)) { 19360 flags = StorageManager.FLAG_STORAGE_DE; 19361 } else { 19362 continue; 19363 } 19364 19365 try { 19366 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19367 synchronized (mInstallLock) { 19368 reconcileAppsDataLI(volumeUuid, user.id, flags); 19369 } 19370 } catch (IllegalStateException e) { 19371 // Device was probably ejected, and we'll process that event momentarily 19372 Slog.w(TAG, "Failed to prepare storage: " + e); 19373 } 19374 } 19375 19376 synchronized (mPackages) { 19377 int updateFlags = UPDATE_PERMISSIONS_ALL; 19378 if (ver.sdkVersion != mSdkVersion) { 19379 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19380 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19381 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19382 } 19383 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19384 19385 // Yay, everything is now upgraded 19386 ver.forceCurrent(); 19387 19388 mSettings.writeLPr(); 19389 } 19390 19391 for (PackageFreezer freezer : freezers) { 19392 freezer.close(); 19393 } 19394 19395 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19396 sendResourcesChangedBroadcast(true, false, loaded, null); 19397 } 19398 19399 private void unloadPrivatePackages(final VolumeInfo vol) { 19400 mHandler.post(new Runnable() { 19401 @Override 19402 public void run() { 19403 unloadPrivatePackagesInner(vol); 19404 } 19405 }); 19406 } 19407 19408 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19409 final String volumeUuid = vol.fsUuid; 19410 if (TextUtils.isEmpty(volumeUuid)) { 19411 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19412 return; 19413 } 19414 19415 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19416 synchronized (mInstallLock) { 19417 synchronized (mPackages) { 19418 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19419 for (PackageSetting ps : packages) { 19420 if (ps.pkg == null) continue; 19421 19422 final ApplicationInfo info = ps.pkg.applicationInfo; 19423 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19424 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19425 19426 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19427 "unloadPrivatePackagesInner")) { 19428 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19429 false, null)) { 19430 unloaded.add(info); 19431 } else { 19432 Slog.w(TAG, "Failed to unload " + ps.codePath); 19433 } 19434 } 19435 19436 // Try very hard to release any references to this package 19437 // so we don't risk the system server being killed due to 19438 // open FDs 19439 AttributeCache.instance().removePackage(ps.name); 19440 } 19441 19442 mSettings.writeLPr(); 19443 } 19444 } 19445 19446 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19447 sendResourcesChangedBroadcast(false, false, unloaded, null); 19448 19449 // Try very hard to release any references to this path so we don't risk 19450 // the system server being killed due to open FDs 19451 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19452 19453 for (int i = 0; i < 3; i++) { 19454 System.gc(); 19455 System.runFinalization(); 19456 } 19457 } 19458 19459 /** 19460 * Prepare storage areas for given user on all mounted devices. 19461 */ 19462 void prepareUserData(int userId, int userSerial, int flags) { 19463 synchronized (mInstallLock) { 19464 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19465 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19466 final String volumeUuid = vol.getFsUuid(); 19467 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19468 } 19469 } 19470 } 19471 19472 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19473 boolean allowRecover) { 19474 // Prepare storage and verify that serial numbers are consistent; if 19475 // there's a mismatch we need to destroy to avoid leaking data 19476 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19477 try { 19478 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19479 19480 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19481 UserManagerService.enforceSerialNumber( 19482 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19483 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19484 UserManagerService.enforceSerialNumber( 19485 Environment.getDataSystemDeDirectory(userId), userSerial); 19486 } 19487 } 19488 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19489 UserManagerService.enforceSerialNumber( 19490 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19491 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19492 UserManagerService.enforceSerialNumber( 19493 Environment.getDataSystemCeDirectory(userId), userSerial); 19494 } 19495 } 19496 19497 synchronized (mInstallLock) { 19498 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19499 } 19500 } catch (Exception e) { 19501 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19502 + " because we failed to prepare: " + e); 19503 destroyUserDataLI(volumeUuid, userId, 19504 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19505 19506 if (allowRecover) { 19507 // Try one last time; if we fail again we're really in trouble 19508 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19509 } 19510 } 19511 } 19512 19513 /** 19514 * Destroy storage areas for given user on all mounted devices. 19515 */ 19516 void destroyUserData(int userId, int flags) { 19517 synchronized (mInstallLock) { 19518 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19519 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19520 final String volumeUuid = vol.getFsUuid(); 19521 destroyUserDataLI(volumeUuid, userId, flags); 19522 } 19523 } 19524 } 19525 19526 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19527 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19528 try { 19529 // Clean up app data, profile data, and media data 19530 mInstaller.destroyUserData(volumeUuid, userId, flags); 19531 19532 // Clean up system data 19533 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19534 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19535 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19536 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19537 } 19538 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19539 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19540 } 19541 } 19542 19543 // Data with special labels is now gone, so finish the job 19544 storage.destroyUserStorage(volumeUuid, userId, flags); 19545 19546 } catch (Exception e) { 19547 logCriticalInfo(Log.WARN, 19548 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19549 } 19550 } 19551 19552 /** 19553 * Examine all users present on given mounted volume, and destroy data 19554 * belonging to users that are no longer valid, or whose user ID has been 19555 * recycled. 19556 */ 19557 private void reconcileUsers(String volumeUuid) { 19558 final List<File> files = new ArrayList<>(); 19559 Collections.addAll(files, FileUtils 19560 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19561 Collections.addAll(files, FileUtils 19562 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19563 Collections.addAll(files, FileUtils 19564 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19565 Collections.addAll(files, FileUtils 19566 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19567 for (File file : files) { 19568 if (!file.isDirectory()) continue; 19569 19570 final int userId; 19571 final UserInfo info; 19572 try { 19573 userId = Integer.parseInt(file.getName()); 19574 info = sUserManager.getUserInfo(userId); 19575 } catch (NumberFormatException e) { 19576 Slog.w(TAG, "Invalid user directory " + file); 19577 continue; 19578 } 19579 19580 boolean destroyUser = false; 19581 if (info == null) { 19582 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19583 + " because no matching user was found"); 19584 destroyUser = true; 19585 } else if (!mOnlyCore) { 19586 try { 19587 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19588 } catch (IOException e) { 19589 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19590 + " because we failed to enforce serial number: " + e); 19591 destroyUser = true; 19592 } 19593 } 19594 19595 if (destroyUser) { 19596 synchronized (mInstallLock) { 19597 destroyUserDataLI(volumeUuid, userId, 19598 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19599 } 19600 } 19601 } 19602 } 19603 19604 private void assertPackageKnown(String volumeUuid, String packageName) 19605 throws PackageManagerException { 19606 synchronized (mPackages) { 19607 final PackageSetting ps = mSettings.mPackages.get(packageName); 19608 if (ps == null) { 19609 throw new PackageManagerException("Package " + packageName + " is unknown"); 19610 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19611 throw new PackageManagerException( 19612 "Package " + packageName + " found on unknown volume " + volumeUuid 19613 + "; expected volume " + ps.volumeUuid); 19614 } 19615 } 19616 } 19617 19618 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19619 throws PackageManagerException { 19620 synchronized (mPackages) { 19621 final PackageSetting ps = mSettings.mPackages.get(packageName); 19622 if (ps == null) { 19623 throw new PackageManagerException("Package " + packageName + " is unknown"); 19624 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19625 throw new PackageManagerException( 19626 "Package " + packageName + " found on unknown volume " + volumeUuid 19627 + "; expected volume " + ps.volumeUuid); 19628 } else if (!ps.getInstalled(userId)) { 19629 throw new PackageManagerException( 19630 "Package " + packageName + " not installed for user " + userId); 19631 } 19632 } 19633 } 19634 19635 /** 19636 * Examine all apps present on given mounted volume, and destroy apps that 19637 * aren't expected, either due to uninstallation or reinstallation on 19638 * another volume. 19639 */ 19640 private void reconcileApps(String volumeUuid) { 19641 final File[] files = FileUtils 19642 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19643 for (File file : files) { 19644 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19645 && !PackageInstallerService.isStageName(file.getName()); 19646 if (!isPackage) { 19647 // Ignore entries which are not packages 19648 continue; 19649 } 19650 19651 try { 19652 final PackageLite pkg = PackageParser.parsePackageLite(file, 19653 PackageParser.PARSE_MUST_BE_APK); 19654 assertPackageKnown(volumeUuid, pkg.packageName); 19655 19656 } catch (PackageParserException | PackageManagerException e) { 19657 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19658 synchronized (mInstallLock) { 19659 removeCodePathLI(file); 19660 } 19661 } 19662 } 19663 } 19664 19665 /** 19666 * Reconcile all app data for the given user. 19667 * <p> 19668 * Verifies that directories exist and that ownership and labeling is 19669 * correct for all installed apps on all mounted volumes. 19670 */ 19671 void reconcileAppsData(int userId, int flags) { 19672 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19673 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19674 final String volumeUuid = vol.getFsUuid(); 19675 synchronized (mInstallLock) { 19676 reconcileAppsDataLI(volumeUuid, userId, flags); 19677 } 19678 } 19679 } 19680 19681 /** 19682 * Reconcile all app data on given mounted volume. 19683 * <p> 19684 * Destroys app data that isn't expected, either due to uninstallation or 19685 * reinstallation on another volume. 19686 * <p> 19687 * Verifies that directories exist and that ownership and labeling is 19688 * correct for all installed apps. 19689 */ 19690 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19691 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19692 + Integer.toHexString(flags)); 19693 19694 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19695 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19696 19697 boolean restoreconNeeded = false; 19698 19699 // First look for stale data that doesn't belong, and check if things 19700 // have changed since we did our last restorecon 19701 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19702 if (StorageManager.isFileEncryptedNativeOrEmulated() 19703 && !StorageManager.isUserKeyUnlocked(userId)) { 19704 throw new RuntimeException( 19705 "Yikes, someone asked us to reconcile CE storage while " + userId 19706 + " was still locked; this would have caused massive data loss!"); 19707 } 19708 19709 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19710 19711 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19712 for (File file : files) { 19713 final String packageName = file.getName(); 19714 try { 19715 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19716 } catch (PackageManagerException e) { 19717 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19718 try { 19719 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19720 StorageManager.FLAG_STORAGE_CE, 0); 19721 } catch (InstallerException e2) { 19722 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19723 } 19724 } 19725 } 19726 } 19727 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19728 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19729 19730 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19731 for (File file : files) { 19732 final String packageName = file.getName(); 19733 try { 19734 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19735 } catch (PackageManagerException e) { 19736 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19737 try { 19738 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19739 StorageManager.FLAG_STORAGE_DE, 0); 19740 } catch (InstallerException e2) { 19741 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19742 } 19743 } 19744 } 19745 } 19746 19747 // Ensure that data directories are ready to roll for all packages 19748 // installed for this volume and user 19749 final List<PackageSetting> packages; 19750 synchronized (mPackages) { 19751 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19752 } 19753 int preparedCount = 0; 19754 for (PackageSetting ps : packages) { 19755 final String packageName = ps.name; 19756 if (ps.pkg == null) { 19757 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19758 // TODO: might be due to legacy ASEC apps; we should circle back 19759 // and reconcile again once they're scanned 19760 continue; 19761 } 19762 19763 if (ps.getInstalled(userId)) { 19764 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19765 19766 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19767 // We may have just shuffled around app data directories, so 19768 // prepare them one more time 19769 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19770 } 19771 19772 preparedCount++; 19773 } 19774 } 19775 19776 if (restoreconNeeded) { 19777 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19778 SELinuxMMAC.setRestoreconDone(ceDir); 19779 } 19780 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19781 SELinuxMMAC.setRestoreconDone(deDir); 19782 } 19783 } 19784 19785 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19786 + " packages; restoreconNeeded was " + restoreconNeeded); 19787 } 19788 19789 /** 19790 * Prepare app data for the given app just after it was installed or 19791 * upgraded. This method carefully only touches users that it's installed 19792 * for, and it forces a restorecon to handle any seinfo changes. 19793 * <p> 19794 * Verifies that directories exist and that ownership and labeling is 19795 * correct for all installed apps. If there is an ownership mismatch, it 19796 * will try recovering system apps by wiping data; third-party app data is 19797 * left intact. 19798 * <p> 19799 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19800 */ 19801 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19802 final PackageSetting ps; 19803 synchronized (mPackages) { 19804 ps = mSettings.mPackages.get(pkg.packageName); 19805 mSettings.writeKernelMappingLPr(ps); 19806 } 19807 19808 final UserManager um = mContext.getSystemService(UserManager.class); 19809 UserManagerInternal umInternal = getUserManagerInternal(); 19810 for (UserInfo user : um.getUsers()) { 19811 final int flags; 19812 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19813 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19814 } else if (umInternal.isUserRunning(user.id)) { 19815 flags = StorageManager.FLAG_STORAGE_DE; 19816 } else { 19817 continue; 19818 } 19819 19820 if (ps.getInstalled(user.id)) { 19821 // Whenever an app changes, force a restorecon of its data 19822 // TODO: when user data is locked, mark that we're still dirty 19823 prepareAppDataLIF(pkg, user.id, flags, true); 19824 } 19825 } 19826 } 19827 19828 /** 19829 * Prepare app data for the given app. 19830 * <p> 19831 * Verifies that directories exist and that ownership and labeling is 19832 * correct for all installed apps. If there is an ownership mismatch, this 19833 * will try recovering system apps by wiping data; third-party app data is 19834 * left intact. 19835 */ 19836 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19837 boolean restoreconNeeded) { 19838 if (pkg == null) { 19839 Slog.wtf(TAG, "Package was null!", new Throwable()); 19840 return; 19841 } 19842 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19843 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19844 for (int i = 0; i < childCount; i++) { 19845 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19846 } 19847 } 19848 19849 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19850 boolean restoreconNeeded) { 19851 if (DEBUG_APP_DATA) { 19852 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19853 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19854 } 19855 19856 final String volumeUuid = pkg.volumeUuid; 19857 final String packageName = pkg.packageName; 19858 final ApplicationInfo app = pkg.applicationInfo; 19859 final int appId = UserHandle.getAppId(app.uid); 19860 19861 Preconditions.checkNotNull(app.seinfo); 19862 19863 try { 19864 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19865 appId, app.seinfo, app.targetSdkVersion); 19866 } catch (InstallerException e) { 19867 if (app.isSystemApp()) { 19868 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19869 + ", but trying to recover: " + e); 19870 destroyAppDataLeafLIF(pkg, userId, flags); 19871 try { 19872 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19873 appId, app.seinfo, app.targetSdkVersion); 19874 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19875 } catch (InstallerException e2) { 19876 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19877 } 19878 } else { 19879 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19880 } 19881 } 19882 19883 if (restoreconNeeded) { 19884 try { 19885 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19886 app.seinfo); 19887 } catch (InstallerException e) { 19888 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19889 } 19890 } 19891 19892 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19893 try { 19894 // CE storage is unlocked right now, so read out the inode and 19895 // remember for use later when it's locked 19896 // TODO: mark this structure as dirty so we persist it! 19897 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19898 StorageManager.FLAG_STORAGE_CE); 19899 synchronized (mPackages) { 19900 final PackageSetting ps = mSettings.mPackages.get(packageName); 19901 if (ps != null) { 19902 ps.setCeDataInode(ceDataInode, userId); 19903 } 19904 } 19905 } catch (InstallerException e) { 19906 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19907 } 19908 } 19909 19910 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19911 } 19912 19913 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19914 if (pkg == null) { 19915 Slog.wtf(TAG, "Package was null!", new Throwable()); 19916 return; 19917 } 19918 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19919 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19920 for (int i = 0; i < childCount; i++) { 19921 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19922 } 19923 } 19924 19925 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19926 final String volumeUuid = pkg.volumeUuid; 19927 final String packageName = pkg.packageName; 19928 final ApplicationInfo app = pkg.applicationInfo; 19929 19930 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19931 // Create a native library symlink only if we have native libraries 19932 // and if the native libraries are 32 bit libraries. We do not provide 19933 // this symlink for 64 bit libraries. 19934 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19935 final String nativeLibPath = app.nativeLibraryDir; 19936 try { 19937 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19938 nativeLibPath, userId); 19939 } catch (InstallerException e) { 19940 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19941 } 19942 } 19943 } 19944 } 19945 19946 /** 19947 * For system apps on non-FBE devices, this method migrates any existing 19948 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19949 * requested by the app. 19950 */ 19951 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19952 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19953 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19954 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19955 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19956 try { 19957 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19958 storageTarget); 19959 } catch (InstallerException e) { 19960 logCriticalInfo(Log.WARN, 19961 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19962 } 19963 return true; 19964 } else { 19965 return false; 19966 } 19967 } 19968 19969 public PackageFreezer freezePackage(String packageName, String killReason) { 19970 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 19971 } 19972 19973 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 19974 return new PackageFreezer(packageName, userId, killReason); 19975 } 19976 19977 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19978 String killReason) { 19979 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 19980 } 19981 19982 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 19983 String killReason) { 19984 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19985 return new PackageFreezer(); 19986 } else { 19987 return freezePackage(packageName, userId, killReason); 19988 } 19989 } 19990 19991 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19992 String killReason) { 19993 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 19994 } 19995 19996 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 19997 String killReason) { 19998 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19999 return new PackageFreezer(); 20000 } else { 20001 return freezePackage(packageName, userId, killReason); 20002 } 20003 } 20004 20005 /** 20006 * Class that freezes and kills the given package upon creation, and 20007 * unfreezes it upon closing. This is typically used when doing surgery on 20008 * app code/data to prevent the app from running while you're working. 20009 */ 20010 private class PackageFreezer implements AutoCloseable { 20011 private final String mPackageName; 20012 private final PackageFreezer[] mChildren; 20013 20014 private final boolean mWeFroze; 20015 20016 private final AtomicBoolean mClosed = new AtomicBoolean(); 20017 private final CloseGuard mCloseGuard = CloseGuard.get(); 20018 20019 /** 20020 * Create and return a stub freezer that doesn't actually do anything, 20021 * typically used when someone requested 20022 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 20023 * {@link PackageManager#DELETE_DONT_KILL_APP}. 20024 */ 20025 public PackageFreezer() { 20026 mPackageName = null; 20027 mChildren = null; 20028 mWeFroze = false; 20029 mCloseGuard.open("close"); 20030 } 20031 20032 public PackageFreezer(String packageName, int userId, String killReason) { 20033 synchronized (mPackages) { 20034 mPackageName = packageName; 20035 mWeFroze = mFrozenPackages.add(mPackageName); 20036 20037 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 20038 if (ps != null) { 20039 killApplication(ps.name, ps.appId, userId, killReason); 20040 } 20041 20042 final PackageParser.Package p = mPackages.get(packageName); 20043 if (p != null && p.childPackages != null) { 20044 final int N = p.childPackages.size(); 20045 mChildren = new PackageFreezer[N]; 20046 for (int i = 0; i < N; i++) { 20047 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20048 userId, killReason); 20049 } 20050 } else { 20051 mChildren = null; 20052 } 20053 } 20054 mCloseGuard.open("close"); 20055 } 20056 20057 @Override 20058 protected void finalize() throws Throwable { 20059 try { 20060 mCloseGuard.warnIfOpen(); 20061 close(); 20062 } finally { 20063 super.finalize(); 20064 } 20065 } 20066 20067 @Override 20068 public void close() { 20069 mCloseGuard.close(); 20070 if (mClosed.compareAndSet(false, true)) { 20071 synchronized (mPackages) { 20072 if (mWeFroze) { 20073 mFrozenPackages.remove(mPackageName); 20074 } 20075 20076 if (mChildren != null) { 20077 for (PackageFreezer freezer : mChildren) { 20078 freezer.close(); 20079 } 20080 } 20081 } 20082 } 20083 } 20084 } 20085 20086 /** 20087 * Verify that given package is currently frozen. 20088 */ 20089 private void checkPackageFrozen(String packageName) { 20090 synchronized (mPackages) { 20091 if (!mFrozenPackages.contains(packageName)) { 20092 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20093 } 20094 } 20095 } 20096 20097 @Override 20098 public int movePackage(final String packageName, final String volumeUuid) { 20099 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20100 20101 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20102 final int moveId = mNextMoveId.getAndIncrement(); 20103 mHandler.post(new Runnable() { 20104 @Override 20105 public void run() { 20106 try { 20107 movePackageInternal(packageName, volumeUuid, moveId, user); 20108 } catch (PackageManagerException e) { 20109 Slog.w(TAG, "Failed to move " + packageName, e); 20110 mMoveCallbacks.notifyStatusChanged(moveId, 20111 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20112 } 20113 } 20114 }); 20115 return moveId; 20116 } 20117 20118 private void movePackageInternal(final String packageName, final String volumeUuid, 20119 final int moveId, UserHandle user) throws PackageManagerException { 20120 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20121 final PackageManager pm = mContext.getPackageManager(); 20122 20123 final boolean currentAsec; 20124 final String currentVolumeUuid; 20125 final File codeFile; 20126 final String installerPackageName; 20127 final String packageAbiOverride; 20128 final int appId; 20129 final String seinfo; 20130 final String label; 20131 final int targetSdkVersion; 20132 final PackageFreezer freezer; 20133 final int[] installedUserIds; 20134 20135 // reader 20136 synchronized (mPackages) { 20137 final PackageParser.Package pkg = mPackages.get(packageName); 20138 final PackageSetting ps = mSettings.mPackages.get(packageName); 20139 if (pkg == null || ps == null) { 20140 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20141 } 20142 20143 if (pkg.applicationInfo.isSystemApp()) { 20144 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20145 "Cannot move system application"); 20146 } 20147 20148 if (pkg.applicationInfo.isExternalAsec()) { 20149 currentAsec = true; 20150 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20151 } else if (pkg.applicationInfo.isForwardLocked()) { 20152 currentAsec = true; 20153 currentVolumeUuid = "forward_locked"; 20154 } else { 20155 currentAsec = false; 20156 currentVolumeUuid = ps.volumeUuid; 20157 20158 final File probe = new File(pkg.codePath); 20159 final File probeOat = new File(probe, "oat"); 20160 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20161 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20162 "Move only supported for modern cluster style installs"); 20163 } 20164 } 20165 20166 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20167 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20168 "Package already moved to " + volumeUuid); 20169 } 20170 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20171 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20172 "Device admin cannot be moved"); 20173 } 20174 20175 if (mFrozenPackages.contains(packageName)) { 20176 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20177 "Failed to move already frozen package"); 20178 } 20179 20180 codeFile = new File(pkg.codePath); 20181 installerPackageName = ps.installerPackageName; 20182 packageAbiOverride = ps.cpuAbiOverrideString; 20183 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20184 seinfo = pkg.applicationInfo.seinfo; 20185 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20186 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20187 freezer = freezePackage(packageName, "movePackageInternal"); 20188 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20189 } 20190 20191 final Bundle extras = new Bundle(); 20192 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20193 extras.putString(Intent.EXTRA_TITLE, label); 20194 mMoveCallbacks.notifyCreated(moveId, extras); 20195 20196 int installFlags; 20197 final boolean moveCompleteApp; 20198 final File measurePath; 20199 20200 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20201 installFlags = INSTALL_INTERNAL; 20202 moveCompleteApp = !currentAsec; 20203 measurePath = Environment.getDataAppDirectory(volumeUuid); 20204 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20205 installFlags = INSTALL_EXTERNAL; 20206 moveCompleteApp = false; 20207 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20208 } else { 20209 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20210 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20211 || !volume.isMountedWritable()) { 20212 freezer.close(); 20213 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20214 "Move location not mounted private volume"); 20215 } 20216 20217 Preconditions.checkState(!currentAsec); 20218 20219 installFlags = INSTALL_INTERNAL; 20220 moveCompleteApp = true; 20221 measurePath = Environment.getDataAppDirectory(volumeUuid); 20222 } 20223 20224 final PackageStats stats = new PackageStats(null, -1); 20225 synchronized (mInstaller) { 20226 for (int userId : installedUserIds) { 20227 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20228 freezer.close(); 20229 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20230 "Failed to measure package size"); 20231 } 20232 } 20233 } 20234 20235 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20236 + stats.dataSize); 20237 20238 final long startFreeBytes = measurePath.getFreeSpace(); 20239 final long sizeBytes; 20240 if (moveCompleteApp) { 20241 sizeBytes = stats.codeSize + stats.dataSize; 20242 } else { 20243 sizeBytes = stats.codeSize; 20244 } 20245 20246 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20247 freezer.close(); 20248 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20249 "Not enough free space to move"); 20250 } 20251 20252 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20253 20254 final CountDownLatch installedLatch = new CountDownLatch(1); 20255 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20256 @Override 20257 public void onUserActionRequired(Intent intent) throws RemoteException { 20258 throw new IllegalStateException(); 20259 } 20260 20261 @Override 20262 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20263 Bundle extras) throws RemoteException { 20264 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20265 + PackageManager.installStatusToString(returnCode, msg)); 20266 20267 installedLatch.countDown(); 20268 freezer.close(); 20269 20270 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20271 switch (status) { 20272 case PackageInstaller.STATUS_SUCCESS: 20273 mMoveCallbacks.notifyStatusChanged(moveId, 20274 PackageManager.MOVE_SUCCEEDED); 20275 break; 20276 case PackageInstaller.STATUS_FAILURE_STORAGE: 20277 mMoveCallbacks.notifyStatusChanged(moveId, 20278 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20279 break; 20280 default: 20281 mMoveCallbacks.notifyStatusChanged(moveId, 20282 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20283 break; 20284 } 20285 } 20286 }; 20287 20288 final MoveInfo move; 20289 if (moveCompleteApp) { 20290 // Kick off a thread to report progress estimates 20291 new Thread() { 20292 @Override 20293 public void run() { 20294 while (true) { 20295 try { 20296 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20297 break; 20298 } 20299 } catch (InterruptedException ignored) { 20300 } 20301 20302 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20303 final int progress = 10 + (int) MathUtils.constrain( 20304 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20305 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20306 } 20307 } 20308 }.start(); 20309 20310 final String dataAppName = codeFile.getName(); 20311 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20312 dataAppName, appId, seinfo, targetSdkVersion); 20313 } else { 20314 move = null; 20315 } 20316 20317 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20318 20319 final Message msg = mHandler.obtainMessage(INIT_COPY); 20320 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20321 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20322 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20323 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20324 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20325 msg.obj = params; 20326 20327 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20328 System.identityHashCode(msg.obj)); 20329 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20330 System.identityHashCode(msg.obj)); 20331 20332 mHandler.sendMessage(msg); 20333 } 20334 20335 @Override 20336 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20337 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20338 20339 final int realMoveId = mNextMoveId.getAndIncrement(); 20340 final Bundle extras = new Bundle(); 20341 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20342 mMoveCallbacks.notifyCreated(realMoveId, extras); 20343 20344 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20345 @Override 20346 public void onCreated(int moveId, Bundle extras) { 20347 // Ignored 20348 } 20349 20350 @Override 20351 public void onStatusChanged(int moveId, int status, long estMillis) { 20352 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20353 } 20354 }; 20355 20356 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20357 storage.setPrimaryStorageUuid(volumeUuid, callback); 20358 return realMoveId; 20359 } 20360 20361 @Override 20362 public int getMoveStatus(int moveId) { 20363 mContext.enforceCallingOrSelfPermission( 20364 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20365 return mMoveCallbacks.mLastStatus.get(moveId); 20366 } 20367 20368 @Override 20369 public void registerMoveCallback(IPackageMoveObserver callback) { 20370 mContext.enforceCallingOrSelfPermission( 20371 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20372 mMoveCallbacks.register(callback); 20373 } 20374 20375 @Override 20376 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20377 mContext.enforceCallingOrSelfPermission( 20378 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20379 mMoveCallbacks.unregister(callback); 20380 } 20381 20382 @Override 20383 public boolean setInstallLocation(int loc) { 20384 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20385 null); 20386 if (getInstallLocation() == loc) { 20387 return true; 20388 } 20389 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20390 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20391 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20392 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20393 return true; 20394 } 20395 return false; 20396 } 20397 20398 @Override 20399 public int getInstallLocation() { 20400 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20401 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20402 PackageHelper.APP_INSTALL_AUTO); 20403 } 20404 20405 /** Called by UserManagerService */ 20406 void cleanUpUser(UserManagerService userManager, int userHandle) { 20407 synchronized (mPackages) { 20408 mDirtyUsers.remove(userHandle); 20409 mUserNeedsBadging.delete(userHandle); 20410 mSettings.removeUserLPw(userHandle); 20411 mPendingBroadcasts.remove(userHandle); 20412 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20413 removeUnusedPackagesLPw(userManager, userHandle); 20414 } 20415 } 20416 20417 /** 20418 * We're removing userHandle and would like to remove any downloaded packages 20419 * that are no longer in use by any other user. 20420 * @param userHandle the user being removed 20421 */ 20422 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20423 final boolean DEBUG_CLEAN_APKS = false; 20424 int [] users = userManager.getUserIds(); 20425 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20426 while (psit.hasNext()) { 20427 PackageSetting ps = psit.next(); 20428 if (ps.pkg == null) { 20429 continue; 20430 } 20431 final String packageName = ps.pkg.packageName; 20432 // Skip over if system app 20433 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20434 continue; 20435 } 20436 if (DEBUG_CLEAN_APKS) { 20437 Slog.i(TAG, "Checking package " + packageName); 20438 } 20439 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20440 if (keep) { 20441 if (DEBUG_CLEAN_APKS) { 20442 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20443 } 20444 } else { 20445 for (int i = 0; i < users.length; i++) { 20446 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20447 keep = true; 20448 if (DEBUG_CLEAN_APKS) { 20449 Slog.i(TAG, " Keeping package " + packageName + " for user " 20450 + users[i]); 20451 } 20452 break; 20453 } 20454 } 20455 } 20456 if (!keep) { 20457 if (DEBUG_CLEAN_APKS) { 20458 Slog.i(TAG, " Removing package " + packageName); 20459 } 20460 mHandler.post(new Runnable() { 20461 public void run() { 20462 deletePackageX(packageName, userHandle, 0); 20463 } //end run 20464 }); 20465 } 20466 } 20467 } 20468 20469 /** Called by UserManagerService */ 20470 void createNewUser(int userId) { 20471 synchronized (mInstallLock) { 20472 mSettings.createNewUserLI(this, mInstaller, userId); 20473 } 20474 synchronized (mPackages) { 20475 scheduleWritePackageRestrictionsLocked(userId); 20476 scheduleWritePackageListLocked(userId); 20477 applyFactoryDefaultBrowserLPw(userId); 20478 primeDomainVerificationsLPw(userId); 20479 } 20480 } 20481 20482 void onNewUserCreated(final int userId) { 20483 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20484 // If permission review for legacy apps is required, we represent 20485 // dagerous permissions for such apps as always granted runtime 20486 // permissions to keep per user flag state whether review is needed. 20487 // Hence, if a new user is added we have to propagate dangerous 20488 // permission grants for these legacy apps. 20489 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20490 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20491 | UPDATE_PERMISSIONS_REPLACE_ALL); 20492 } 20493 } 20494 20495 @Override 20496 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20497 mContext.enforceCallingOrSelfPermission( 20498 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20499 "Only package verification agents can read the verifier device identity"); 20500 20501 synchronized (mPackages) { 20502 return mSettings.getVerifierDeviceIdentityLPw(); 20503 } 20504 } 20505 20506 @Override 20507 public void setPermissionEnforced(String permission, boolean enforced) { 20508 // TODO: Now that we no longer change GID for storage, this should to away. 20509 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20510 "setPermissionEnforced"); 20511 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20512 synchronized (mPackages) { 20513 if (mSettings.mReadExternalStorageEnforced == null 20514 || mSettings.mReadExternalStorageEnforced != enforced) { 20515 mSettings.mReadExternalStorageEnforced = enforced; 20516 mSettings.writeLPr(); 20517 } 20518 } 20519 // kill any non-foreground processes so we restart them and 20520 // grant/revoke the GID. 20521 final IActivityManager am = ActivityManagerNative.getDefault(); 20522 if (am != null) { 20523 final long token = Binder.clearCallingIdentity(); 20524 try { 20525 am.killProcessesBelowForeground("setPermissionEnforcement"); 20526 } catch (RemoteException e) { 20527 } finally { 20528 Binder.restoreCallingIdentity(token); 20529 } 20530 } 20531 } else { 20532 throw new IllegalArgumentException("No selective enforcement for " + permission); 20533 } 20534 } 20535 20536 @Override 20537 @Deprecated 20538 public boolean isPermissionEnforced(String permission) { 20539 return true; 20540 } 20541 20542 @Override 20543 public boolean isStorageLow() { 20544 final long token = Binder.clearCallingIdentity(); 20545 try { 20546 final DeviceStorageMonitorInternal 20547 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20548 if (dsm != null) { 20549 return dsm.isMemoryLow(); 20550 } else { 20551 return false; 20552 } 20553 } finally { 20554 Binder.restoreCallingIdentity(token); 20555 } 20556 } 20557 20558 @Override 20559 public IPackageInstaller getPackageInstaller() { 20560 return mInstallerService; 20561 } 20562 20563 private boolean userNeedsBadging(int userId) { 20564 int index = mUserNeedsBadging.indexOfKey(userId); 20565 if (index < 0) { 20566 final UserInfo userInfo; 20567 final long token = Binder.clearCallingIdentity(); 20568 try { 20569 userInfo = sUserManager.getUserInfo(userId); 20570 } finally { 20571 Binder.restoreCallingIdentity(token); 20572 } 20573 final boolean b; 20574 if (userInfo != null && userInfo.isManagedProfile()) { 20575 b = true; 20576 } else { 20577 b = false; 20578 } 20579 mUserNeedsBadging.put(userId, b); 20580 return b; 20581 } 20582 return mUserNeedsBadging.valueAt(index); 20583 } 20584 20585 @Override 20586 public KeySet getKeySetByAlias(String packageName, String alias) { 20587 if (packageName == null || alias == null) { 20588 return null; 20589 } 20590 synchronized(mPackages) { 20591 final PackageParser.Package pkg = mPackages.get(packageName); 20592 if (pkg == null) { 20593 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20594 throw new IllegalArgumentException("Unknown package: " + packageName); 20595 } 20596 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20597 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20598 } 20599 } 20600 20601 @Override 20602 public KeySet getSigningKeySet(String packageName) { 20603 if (packageName == null) { 20604 return null; 20605 } 20606 synchronized(mPackages) { 20607 final PackageParser.Package pkg = mPackages.get(packageName); 20608 if (pkg == null) { 20609 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20610 throw new IllegalArgumentException("Unknown package: " + packageName); 20611 } 20612 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20613 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20614 throw new SecurityException("May not access signing KeySet of other apps."); 20615 } 20616 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20617 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20618 } 20619 } 20620 20621 @Override 20622 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20623 if (packageName == null || ks == null) { 20624 return false; 20625 } 20626 synchronized(mPackages) { 20627 final PackageParser.Package pkg = mPackages.get(packageName); 20628 if (pkg == null) { 20629 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20630 throw new IllegalArgumentException("Unknown package: " + packageName); 20631 } 20632 IBinder ksh = ks.getToken(); 20633 if (ksh instanceof KeySetHandle) { 20634 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20635 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20636 } 20637 return false; 20638 } 20639 } 20640 20641 @Override 20642 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20643 if (packageName == null || ks == null) { 20644 return false; 20645 } 20646 synchronized(mPackages) { 20647 final PackageParser.Package pkg = mPackages.get(packageName); 20648 if (pkg == null) { 20649 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20650 throw new IllegalArgumentException("Unknown package: " + packageName); 20651 } 20652 IBinder ksh = ks.getToken(); 20653 if (ksh instanceof KeySetHandle) { 20654 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20655 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20656 } 20657 return false; 20658 } 20659 } 20660 20661 private void deletePackageIfUnusedLPr(final String packageName) { 20662 PackageSetting ps = mSettings.mPackages.get(packageName); 20663 if (ps == null) { 20664 return; 20665 } 20666 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20667 // TODO Implement atomic delete if package is unused 20668 // It is currently possible that the package will be deleted even if it is installed 20669 // after this method returns. 20670 mHandler.post(new Runnable() { 20671 public void run() { 20672 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20673 } 20674 }); 20675 } 20676 } 20677 20678 /** 20679 * Check and throw if the given before/after packages would be considered a 20680 * downgrade. 20681 */ 20682 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20683 throws PackageManagerException { 20684 if (after.versionCode < before.mVersionCode) { 20685 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20686 "Update version code " + after.versionCode + " is older than current " 20687 + before.mVersionCode); 20688 } else if (after.versionCode == before.mVersionCode) { 20689 if (after.baseRevisionCode < before.baseRevisionCode) { 20690 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20691 "Update base revision code " + after.baseRevisionCode 20692 + " is older than current " + before.baseRevisionCode); 20693 } 20694 20695 if (!ArrayUtils.isEmpty(after.splitNames)) { 20696 for (int i = 0; i < after.splitNames.length; i++) { 20697 final String splitName = after.splitNames[i]; 20698 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20699 if (j != -1) { 20700 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20701 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20702 "Update split " + splitName + " revision code " 20703 + after.splitRevisionCodes[i] + " is older than current " 20704 + before.splitRevisionCodes[j]); 20705 } 20706 } 20707 } 20708 } 20709 } 20710 } 20711 20712 private static class MoveCallbacks extends Handler { 20713 private static final int MSG_CREATED = 1; 20714 private static final int MSG_STATUS_CHANGED = 2; 20715 20716 private final RemoteCallbackList<IPackageMoveObserver> 20717 mCallbacks = new RemoteCallbackList<>(); 20718 20719 private final SparseIntArray mLastStatus = new SparseIntArray(); 20720 20721 public MoveCallbacks(Looper looper) { 20722 super(looper); 20723 } 20724 20725 public void register(IPackageMoveObserver callback) { 20726 mCallbacks.register(callback); 20727 } 20728 20729 public void unregister(IPackageMoveObserver callback) { 20730 mCallbacks.unregister(callback); 20731 } 20732 20733 @Override 20734 public void handleMessage(Message msg) { 20735 final SomeArgs args = (SomeArgs) msg.obj; 20736 final int n = mCallbacks.beginBroadcast(); 20737 for (int i = 0; i < n; i++) { 20738 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20739 try { 20740 invokeCallback(callback, msg.what, args); 20741 } catch (RemoteException ignored) { 20742 } 20743 } 20744 mCallbacks.finishBroadcast(); 20745 args.recycle(); 20746 } 20747 20748 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20749 throws RemoteException { 20750 switch (what) { 20751 case MSG_CREATED: { 20752 callback.onCreated(args.argi1, (Bundle) args.arg2); 20753 break; 20754 } 20755 case MSG_STATUS_CHANGED: { 20756 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20757 break; 20758 } 20759 } 20760 } 20761 20762 private void notifyCreated(int moveId, Bundle extras) { 20763 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20764 20765 final SomeArgs args = SomeArgs.obtain(); 20766 args.argi1 = moveId; 20767 args.arg2 = extras; 20768 obtainMessage(MSG_CREATED, args).sendToTarget(); 20769 } 20770 20771 private void notifyStatusChanged(int moveId, int status) { 20772 notifyStatusChanged(moveId, status, -1); 20773 } 20774 20775 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20776 Slog.v(TAG, "Move " + moveId + " status " + status); 20777 20778 final SomeArgs args = SomeArgs.obtain(); 20779 args.argi1 = moveId; 20780 args.argi2 = status; 20781 args.arg3 = estMillis; 20782 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20783 20784 synchronized (mLastStatus) { 20785 mLastStatus.put(moveId, status); 20786 } 20787 } 20788 } 20789 20790 private final static class OnPermissionChangeListeners extends Handler { 20791 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20792 20793 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20794 new RemoteCallbackList<>(); 20795 20796 public OnPermissionChangeListeners(Looper looper) { 20797 super(looper); 20798 } 20799 20800 @Override 20801 public void handleMessage(Message msg) { 20802 switch (msg.what) { 20803 case MSG_ON_PERMISSIONS_CHANGED: { 20804 final int uid = msg.arg1; 20805 handleOnPermissionsChanged(uid); 20806 } break; 20807 } 20808 } 20809 20810 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20811 mPermissionListeners.register(listener); 20812 20813 } 20814 20815 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20816 mPermissionListeners.unregister(listener); 20817 } 20818 20819 public void onPermissionsChanged(int uid) { 20820 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20821 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20822 } 20823 } 20824 20825 private void handleOnPermissionsChanged(int uid) { 20826 final int count = mPermissionListeners.beginBroadcast(); 20827 try { 20828 for (int i = 0; i < count; i++) { 20829 IOnPermissionsChangeListener callback = mPermissionListeners 20830 .getBroadcastItem(i); 20831 try { 20832 callback.onPermissionsChanged(uid); 20833 } catch (RemoteException e) { 20834 Log.e(TAG, "Permission listener is dead", e); 20835 } 20836 } 20837 } finally { 20838 mPermissionListeners.finishBroadcast(); 20839 } 20840 } 20841 } 20842 20843 private class PackageManagerInternalImpl extends PackageManagerInternal { 20844 @Override 20845 public void setLocationPackagesProvider(PackagesProvider provider) { 20846 synchronized (mPackages) { 20847 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20848 } 20849 } 20850 20851 @Override 20852 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20853 synchronized (mPackages) { 20854 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20855 } 20856 } 20857 20858 @Override 20859 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20860 synchronized (mPackages) { 20861 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20862 } 20863 } 20864 20865 @Override 20866 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20867 synchronized (mPackages) { 20868 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20869 } 20870 } 20871 20872 @Override 20873 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20874 synchronized (mPackages) { 20875 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20876 } 20877 } 20878 20879 @Override 20880 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20881 synchronized (mPackages) { 20882 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20883 } 20884 } 20885 20886 @Override 20887 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20888 synchronized (mPackages) { 20889 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20890 packageName, userId); 20891 } 20892 } 20893 20894 @Override 20895 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20896 synchronized (mPackages) { 20897 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20898 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20899 packageName, userId); 20900 } 20901 } 20902 20903 @Override 20904 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20905 synchronized (mPackages) { 20906 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20907 packageName, userId); 20908 } 20909 } 20910 20911 @Override 20912 public void setKeepUninstalledPackages(final List<String> packageList) { 20913 Preconditions.checkNotNull(packageList); 20914 List<String> removedFromList = null; 20915 synchronized (mPackages) { 20916 if (mKeepUninstalledPackages != null) { 20917 final int packagesCount = mKeepUninstalledPackages.size(); 20918 for (int i = 0; i < packagesCount; i++) { 20919 String oldPackage = mKeepUninstalledPackages.get(i); 20920 if (packageList != null && packageList.contains(oldPackage)) { 20921 continue; 20922 } 20923 if (removedFromList == null) { 20924 removedFromList = new ArrayList<>(); 20925 } 20926 removedFromList.add(oldPackage); 20927 } 20928 } 20929 mKeepUninstalledPackages = new ArrayList<>(packageList); 20930 if (removedFromList != null) { 20931 final int removedCount = removedFromList.size(); 20932 for (int i = 0; i < removedCount; i++) { 20933 deletePackageIfUnusedLPr(removedFromList.get(i)); 20934 } 20935 } 20936 } 20937 } 20938 20939 @Override 20940 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20941 synchronized (mPackages) { 20942 // If we do not support permission review, done. 20943 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20944 return false; 20945 } 20946 20947 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20948 if (packageSetting == null) { 20949 return false; 20950 } 20951 20952 // Permission review applies only to apps not supporting the new permission model. 20953 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20954 return false; 20955 } 20956 20957 // Legacy apps have the permission and get user consent on launch. 20958 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20959 return permissionsState.isPermissionReviewRequired(userId); 20960 } 20961 } 20962 20963 @Override 20964 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20965 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20966 } 20967 20968 @Override 20969 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20970 int userId) { 20971 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20972 } 20973 20974 @Override 20975 public void setDeviceAndProfileOwnerPackages( 20976 int deviceOwnerUserId, String deviceOwnerPackage, 20977 SparseArray<String> profileOwnerPackages) { 20978 mProtectedPackages.setDeviceAndProfileOwnerPackages( 20979 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 20980 } 20981 20982 @Override 20983 public boolean isPackageDataProtected(int userId, String packageName) { 20984 return mProtectedPackages.isPackageDataProtected(userId, packageName); 20985 } 20986 } 20987 20988 @Override 20989 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20990 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20991 synchronized (mPackages) { 20992 final long identity = Binder.clearCallingIdentity(); 20993 try { 20994 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20995 packageNames, userId); 20996 } finally { 20997 Binder.restoreCallingIdentity(identity); 20998 } 20999 } 21000 } 21001 21002 private static void enforceSystemOrPhoneCaller(String tag) { 21003 int callingUid = Binder.getCallingUid(); 21004 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 21005 throw new SecurityException( 21006 "Cannot call " + tag + " from UID " + callingUid); 21007 } 21008 } 21009 21010 boolean isHistoricalPackageUsageAvailable() { 21011 return mPackageUsage.isHistoricalPackageUsageAvailable(); 21012 } 21013 21014 /** 21015 * Return a <b>copy</b> of the collection of packages known to the package manager. 21016 * @return A copy of the values of mPackages. 21017 */ 21018 Collection<PackageParser.Package> getPackages() { 21019 synchronized (mPackages) { 21020 return new ArrayList<>(mPackages.values()); 21021 } 21022 } 21023 21024 /** 21025 * Logs process start information (including base APK hash) to the security log. 21026 * @hide 21027 */ 21028 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 21029 String apkFile, int pid) { 21030 if (!SecurityLog.isLoggingEnabled()) { 21031 return; 21032 } 21033 Bundle data = new Bundle(); 21034 data.putLong("startTimestamp", System.currentTimeMillis()); 21035 data.putString("processName", processName); 21036 data.putInt("uid", uid); 21037 data.putString("seinfo", seinfo); 21038 data.putString("apkFile", apkFile); 21039 data.putInt("pid", pid); 21040 Message msg = mProcessLoggingHandler.obtainMessage( 21041 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 21042 msg.setData(data); 21043 mProcessLoggingHandler.sendMessage(msg); 21044 } 21045 21046 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 21047 return mCompilerStats.getPackageStats(pkgName); 21048 } 21049 21050 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 21051 return getOrCreateCompilerPackageStats(pkg.packageName); 21052 } 21053 21054 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 21055 return mCompilerStats.getOrCreatePackageStats(pkgName); 21056 } 21057 21058 public void deleteCompilerPackageStats(String pkgName) { 21059 mCompilerStats.deletePackageStats(pkgName); 21060 } 21061} 21062