PackageManagerService.java revision b70e4bfe0776a3446ccfddd5a10b1ff155f60e34
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.DELETE_PACKAGES; 20import static android.Manifest.permission.INSTALL_PACKAGES; 21import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 22import static android.Manifest.permission.REQUEST_DELETE_PACKAGES; 23import static android.Manifest.permission.REQUEST_INSTALL_PACKAGES; 24import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 25import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 27import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 28import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 29import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 30import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 31import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 35import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 36import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 37import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 38import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 39import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 40import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 41import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 42import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 46import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 47import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 48import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 49import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 50import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 51import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 53import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 54import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 55import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 56import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 57import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 58import static android.content.pm.PackageManager.INSTALL_INTERNAL; 59import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 62import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 63import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 64import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 65import static android.content.pm.PackageManager.MATCH_ALL; 66import static android.content.pm.PackageManager.MATCH_ANY_USER; 67import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 68import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 69import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 70import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 71import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 72import static android.content.pm.PackageManager.MATCH_KNOWN_PACKAGES; 73import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 74import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 75import static android.content.pm.PackageManager.MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL; 76import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 77import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 78import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 79import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 80import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 81import static android.content.pm.PackageManager.PERMISSION_DENIED; 82import static android.content.pm.PackageManager.PERMISSION_GRANTED; 83import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 84import static android.content.pm.PackageParser.isApkFile; 85import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 86import static android.system.OsConstants.O_CREAT; 87import static android.system.OsConstants.O_RDWR; 88import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 89import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 90import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 91import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 92import static com.android.internal.util.ArrayUtils.appendInt; 93import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 94import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 95import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 96import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 97import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 98import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 99import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 100import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 101import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 102import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 103import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 104import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 105 106import android.Manifest; 107import android.annotation.NonNull; 108import android.annotation.Nullable; 109import android.app.ActivityManager; 110import android.app.AppOpsManager; 111import android.app.IActivityManager; 112import android.app.ResourcesManager; 113import android.app.admin.IDevicePolicyManager; 114import android.app.admin.SecurityLog; 115import android.app.backup.IBackupManager; 116import android.content.BroadcastReceiver; 117import android.content.ComponentName; 118import android.content.ContentResolver; 119import android.content.Context; 120import android.content.IIntentReceiver; 121import android.content.Intent; 122import android.content.IntentFilter; 123import android.content.IntentSender; 124import android.content.IntentSender.SendIntentException; 125import android.content.ServiceConnection; 126import android.content.pm.ActivityInfo; 127import android.content.pm.ApplicationInfo; 128import android.content.pm.AppsQueryHelper; 129import android.content.pm.ChangedPackages; 130import android.content.pm.ComponentInfo; 131import android.content.pm.InstantAppRequest; 132import android.content.pm.AuxiliaryResolveInfo; 133import android.content.pm.FallbackCategoryProvider; 134import android.content.pm.FeatureInfo; 135import android.content.pm.IOnPermissionsChangeListener; 136import android.content.pm.IPackageDataObserver; 137import android.content.pm.IPackageDeleteObserver; 138import android.content.pm.IPackageDeleteObserver2; 139import android.content.pm.IPackageInstallObserver2; 140import android.content.pm.IPackageInstaller; 141import android.content.pm.IPackageManager; 142import android.content.pm.IPackageMoveObserver; 143import android.content.pm.IPackageStatsObserver; 144import android.content.pm.InstantAppInfo; 145import android.content.pm.InstantAppResolveInfo; 146import android.content.pm.InstrumentationInfo; 147import android.content.pm.IntentFilterVerificationInfo; 148import android.content.pm.KeySet; 149import android.content.pm.PackageCleanItem; 150import android.content.pm.PackageInfo; 151import android.content.pm.PackageInfoLite; 152import android.content.pm.PackageInstaller; 153import android.content.pm.PackageManager; 154import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 155import android.content.pm.PackageManagerInternal; 156import android.content.pm.PackageParser; 157import android.content.pm.PackageParser.ActivityIntentInfo; 158import android.content.pm.PackageParser.PackageLite; 159import android.content.pm.PackageParser.PackageParserException; 160import android.content.pm.PackageStats; 161import android.content.pm.PackageUserState; 162import android.content.pm.ParceledListSlice; 163import android.content.pm.PermissionGroupInfo; 164import android.content.pm.PermissionInfo; 165import android.content.pm.ProviderInfo; 166import android.content.pm.ResolveInfo; 167import android.content.pm.SELinuxUtil; 168import android.content.pm.ServiceInfo; 169import android.content.pm.SharedLibraryInfo; 170import android.content.pm.Signature; 171import android.content.pm.UserInfo; 172import android.content.pm.VerifierDeviceIdentity; 173import android.content.pm.VerifierInfo; 174import android.content.pm.VersionedPackage; 175import android.content.res.Resources; 176import android.graphics.Bitmap; 177import android.hardware.display.DisplayManager; 178import android.net.Uri; 179import android.os.Binder; 180import android.os.Build; 181import android.os.Bundle; 182import android.os.Debug; 183import android.os.Environment; 184import android.os.Environment.UserEnvironment; 185import android.os.FileUtils; 186import android.os.Handler; 187import android.os.IBinder; 188import android.os.Looper; 189import android.os.Message; 190import android.os.Parcel; 191import android.os.ParcelFileDescriptor; 192import android.os.PatternMatcher; 193import android.os.Process; 194import android.os.RemoteCallbackList; 195import android.os.RemoteException; 196import android.os.ResultReceiver; 197import android.os.SELinux; 198import android.os.ServiceManager; 199import android.os.ShellCallback; 200import android.os.SystemClock; 201import android.os.SystemProperties; 202import android.os.Trace; 203import android.os.UserHandle; 204import android.os.UserManager; 205import android.os.UserManagerInternal; 206import android.os.storage.IStorageManager; 207import android.os.storage.StorageEventListener; 208import android.os.storage.StorageManager; 209import android.os.storage.StorageManagerInternal; 210import android.os.storage.VolumeInfo; 211import android.os.storage.VolumeRecord; 212import android.provider.Settings.Global; 213import android.provider.Settings.Secure; 214import android.security.KeyStore; 215import android.security.SystemKeyStore; 216import android.service.pm.PackageServiceDumpProto; 217import android.system.ErrnoException; 218import android.system.Os; 219import android.text.TextUtils; 220import android.text.format.DateUtils; 221import android.util.ArrayMap; 222import android.util.ArraySet; 223import android.util.Base64; 224import android.util.DisplayMetrics; 225import android.util.EventLog; 226import android.util.ExceptionUtils; 227import android.util.Log; 228import android.util.LogPrinter; 229import android.util.MathUtils; 230import android.util.PackageUtils; 231import android.util.Pair; 232import android.util.PrintStreamPrinter; 233import android.util.Slog; 234import android.util.SparseArray; 235import android.util.SparseBooleanArray; 236import android.util.SparseIntArray; 237import android.util.Xml; 238import android.util.jar.StrictJarFile; 239import android.util.proto.ProtoOutputStream; 240import android.view.Display; 241 242import com.android.internal.R; 243import com.android.internal.annotations.GuardedBy; 244import com.android.internal.app.IMediaContainerService; 245import com.android.internal.app.ResolverActivity; 246import com.android.internal.content.NativeLibraryHelper; 247import com.android.internal.content.PackageHelper; 248import com.android.internal.logging.MetricsLogger; 249import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 250import com.android.internal.os.IParcelFileDescriptorFactory; 251import com.android.internal.os.RoSystemProperties; 252import com.android.internal.os.SomeArgs; 253import com.android.internal.os.Zygote; 254import com.android.internal.telephony.CarrierAppUtils; 255import com.android.internal.util.ArrayUtils; 256import com.android.internal.util.ConcurrentUtils; 257import com.android.internal.util.FastPrintWriter; 258import com.android.internal.util.FastXmlSerializer; 259import com.android.internal.util.IndentingPrintWriter; 260import com.android.internal.util.Preconditions; 261import com.android.internal.util.XmlUtils; 262import com.android.server.AttributeCache; 263import com.android.server.DeviceIdleController; 264import com.android.server.EventLogTags; 265import com.android.server.FgThread; 266import com.android.server.IntentResolver; 267import com.android.server.LocalServices; 268import com.android.server.LockGuard; 269import com.android.server.ServiceThread; 270import com.android.server.SystemConfig; 271import com.android.server.SystemServerInitThreadPool; 272import com.android.server.Watchdog; 273import com.android.server.net.NetworkPolicyManagerInternal; 274import com.android.server.pm.BackgroundDexOptService; 275import com.android.server.pm.Installer.InstallerException; 276import com.android.server.pm.PermissionsState.PermissionState; 277import com.android.server.pm.Settings.DatabaseVersion; 278import com.android.server.pm.Settings.VersionInfo; 279import com.android.server.pm.dex.DexManager; 280import com.android.server.storage.DeviceStorageMonitorInternal; 281 282import dalvik.system.CloseGuard; 283import dalvik.system.DexFile; 284import dalvik.system.VMRuntime; 285 286import libcore.io.IoUtils; 287import libcore.util.EmptyArray; 288 289import org.xmlpull.v1.XmlPullParser; 290import org.xmlpull.v1.XmlPullParserException; 291import org.xmlpull.v1.XmlSerializer; 292 293import java.io.BufferedOutputStream; 294import java.io.BufferedReader; 295import java.io.ByteArrayInputStream; 296import java.io.ByteArrayOutputStream; 297import java.io.File; 298import java.io.FileDescriptor; 299import java.io.FileInputStream; 300import java.io.FileNotFoundException; 301import java.io.FileOutputStream; 302import java.io.FileReader; 303import java.io.FilenameFilter; 304import java.io.IOException; 305import java.io.PrintWriter; 306import java.nio.charset.StandardCharsets; 307import java.security.DigestInputStream; 308import java.security.MessageDigest; 309import java.security.NoSuchAlgorithmException; 310import java.security.PublicKey; 311import java.security.SecureRandom; 312import java.security.cert.Certificate; 313import java.security.cert.CertificateEncodingException; 314import java.security.cert.CertificateException; 315import java.text.SimpleDateFormat; 316import java.util.ArrayList; 317import java.util.Arrays; 318import java.util.Collection; 319import java.util.Collections; 320import java.util.Comparator; 321import java.util.Date; 322import java.util.HashMap; 323import java.util.HashSet; 324import java.util.Iterator; 325import java.util.List; 326import java.util.Map; 327import java.util.Objects; 328import java.util.Set; 329import java.util.concurrent.CountDownLatch; 330import java.util.concurrent.Future; 331import java.util.concurrent.TimeUnit; 332import java.util.concurrent.atomic.AtomicBoolean; 333import java.util.concurrent.atomic.AtomicInteger; 334 335/** 336 * Keep track of all those APKs everywhere. 337 * <p> 338 * Internally there are two important locks: 339 * <ul> 340 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 341 * and other related state. It is a fine-grained lock that should only be held 342 * momentarily, as it's one of the most contended locks in the system. 343 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 344 * operations typically involve heavy lifting of application data on disk. Since 345 * {@code installd} is single-threaded, and it's operations can often be slow, 346 * this lock should never be acquired while already holding {@link #mPackages}. 347 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 348 * holding {@link #mInstallLock}. 349 * </ul> 350 * Many internal methods rely on the caller to hold the appropriate locks, and 351 * this contract is expressed through method name suffixes: 352 * <ul> 353 * <li>fooLI(): the caller must hold {@link #mInstallLock} 354 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 355 * being modified must be frozen 356 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 357 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 358 * </ul> 359 * <p> 360 * Because this class is very central to the platform's security; please run all 361 * CTS and unit tests whenever making modifications: 362 * 363 * <pre> 364 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 365 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 366 * </pre> 367 */ 368public class PackageManagerService extends IPackageManager.Stub { 369 static final String TAG = "PackageManager"; 370 static final boolean DEBUG_SETTINGS = false; 371 static final boolean DEBUG_PREFERRED = false; 372 static final boolean DEBUG_UPGRADE = false; 373 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 374 private static final boolean DEBUG_BACKUP = false; 375 private static final boolean DEBUG_INSTALL = false; 376 private static final boolean DEBUG_REMOVE = false; 377 private static final boolean DEBUG_BROADCASTS = false; 378 private static final boolean DEBUG_SHOW_INFO = false; 379 private static final boolean DEBUG_PACKAGE_INFO = false; 380 private static final boolean DEBUG_INTENT_MATCHING = false; 381 private static final boolean DEBUG_PACKAGE_SCANNING = false; 382 private static final boolean DEBUG_VERIFY = false; 383 private static final boolean DEBUG_FILTERS = false; 384 385 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 386 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 387 // user, but by default initialize to this. 388 public static final boolean DEBUG_DEXOPT = false; 389 390 private static final boolean DEBUG_ABI_SELECTION = false; 391 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 392 private static final boolean DEBUG_TRIAGED_MISSING = false; 393 private static final boolean DEBUG_APP_DATA = false; 394 395 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 396 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 397 398 private static final boolean DISABLE_EPHEMERAL_APPS = false; 399 private static final boolean HIDE_EPHEMERAL_APIS = false; 400 401 private static final boolean ENABLE_FREE_CACHE_V2 = 402 SystemProperties.getBoolean("fw.free_cache_v2", true); 403 404 private static final int RADIO_UID = Process.PHONE_UID; 405 private static final int LOG_UID = Process.LOG_UID; 406 private static final int NFC_UID = Process.NFC_UID; 407 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 408 private static final int SHELL_UID = Process.SHELL_UID; 409 410 // Cap the size of permission trees that 3rd party apps can define 411 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 412 413 // Suffix used during package installation when copying/moving 414 // package apks to install directory. 415 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 416 417 static final int SCAN_NO_DEX = 1<<1; 418 static final int SCAN_FORCE_DEX = 1<<2; 419 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 420 static final int SCAN_NEW_INSTALL = 1<<4; 421 static final int SCAN_UPDATE_TIME = 1<<5; 422 static final int SCAN_BOOTING = 1<<6; 423 static final int SCAN_TRUSTED_OVERLAY = 1<<7; 424 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<8; 425 static final int SCAN_REPLACING = 1<<9; 426 static final int SCAN_REQUIRE_KNOWN = 1<<10; 427 static final int SCAN_MOVE = 1<<11; 428 static final int SCAN_INITIAL = 1<<12; 429 static final int SCAN_CHECK_ONLY = 1<<13; 430 static final int SCAN_DONT_KILL_APP = 1<<14; 431 static final int SCAN_IGNORE_FROZEN = 1<<15; 432 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<16; 433 static final int SCAN_AS_INSTANT_APP = 1<<17; 434 static final int SCAN_AS_FULL_APP = 1<<18; 435 /** Should not be with the scan flags */ 436 static final int FLAGS_REMOVE_CHATTY = 1<<31; 437 438 private static final String STATIC_SHARED_LIB_DELIMITER = "_"; 439 440 private static final int[] EMPTY_INT_ARRAY = new int[0]; 441 442 /** 443 * Timeout (in milliseconds) after which the watchdog should declare that 444 * our handler thread is wedged. The usual default for such things is one 445 * minute but we sometimes do very lengthy I/O operations on this thread, 446 * such as installing multi-gigabyte applications, so ours needs to be longer. 447 */ 448 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 449 450 /** 451 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 452 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 453 * settings entry if available, otherwise we use the hardcoded default. If it's been 454 * more than this long since the last fstrim, we force one during the boot sequence. 455 * 456 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 457 * one gets run at the next available charging+idle time. This final mandatory 458 * no-fstrim check kicks in only of the other scheduling criteria is never met. 459 */ 460 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 461 462 /** 463 * Whether verification is enabled by default. 464 */ 465 private static final boolean DEFAULT_VERIFY_ENABLE = true; 466 467 /** 468 * The default maximum time to wait for the verification agent to return in 469 * milliseconds. 470 */ 471 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 472 473 /** 474 * The default response for package verification timeout. 475 * 476 * This can be either PackageManager.VERIFICATION_ALLOW or 477 * PackageManager.VERIFICATION_REJECT. 478 */ 479 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 480 481 static final String PLATFORM_PACKAGE_NAME = "android"; 482 483 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 484 485 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 486 DEFAULT_CONTAINER_PACKAGE, 487 "com.android.defcontainer.DefaultContainerService"); 488 489 private static final String KILL_APP_REASON_GIDS_CHANGED = 490 "permission grant or revoke changed gids"; 491 492 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 493 "permissions revoked"; 494 495 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 496 497 private static final String PACKAGE_SCHEME = "package"; 498 499 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 500 501 /** Permission grant: not grant the permission. */ 502 private static final int GRANT_DENIED = 1; 503 504 /** Permission grant: grant the permission as an install permission. */ 505 private static final int GRANT_INSTALL = 2; 506 507 /** Permission grant: grant the permission as a runtime one. */ 508 private static final int GRANT_RUNTIME = 3; 509 510 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 511 private static final int GRANT_UPGRADE = 4; 512 513 /** Canonical intent used to identify what counts as a "web browser" app */ 514 private static final Intent sBrowserIntent; 515 static { 516 sBrowserIntent = new Intent(); 517 sBrowserIntent.setAction(Intent.ACTION_VIEW); 518 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 519 sBrowserIntent.setData(Uri.parse("http:")); 520 } 521 522 /** 523 * The set of all protected actions [i.e. those actions for which a high priority 524 * intent filter is disallowed]. 525 */ 526 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 527 static { 528 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 529 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 530 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 531 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 532 } 533 534 // Compilation reasons. 535 public static final int REASON_FIRST_BOOT = 0; 536 public static final int REASON_BOOT = 1; 537 public static final int REASON_INSTALL = 2; 538 public static final int REASON_BACKGROUND_DEXOPT = 3; 539 public static final int REASON_AB_OTA = 4; 540 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 541 public static final int REASON_SHARED_APK = 6; 542 public static final int REASON_FORCED_DEXOPT = 7; 543 544 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 545 546 /** All dangerous permission names in the same order as the events in MetricsEvent */ 547 private static final List<String> ALL_DANGEROUS_PERMISSIONS = Arrays.asList( 548 Manifest.permission.READ_CALENDAR, 549 Manifest.permission.WRITE_CALENDAR, 550 Manifest.permission.CAMERA, 551 Manifest.permission.READ_CONTACTS, 552 Manifest.permission.WRITE_CONTACTS, 553 Manifest.permission.GET_ACCOUNTS, 554 Manifest.permission.ACCESS_FINE_LOCATION, 555 Manifest.permission.ACCESS_COARSE_LOCATION, 556 Manifest.permission.RECORD_AUDIO, 557 Manifest.permission.READ_PHONE_STATE, 558 Manifest.permission.CALL_PHONE, 559 Manifest.permission.READ_CALL_LOG, 560 Manifest.permission.WRITE_CALL_LOG, 561 Manifest.permission.ADD_VOICEMAIL, 562 Manifest.permission.USE_SIP, 563 Manifest.permission.PROCESS_OUTGOING_CALLS, 564 Manifest.permission.READ_CELL_BROADCASTS, 565 Manifest.permission.BODY_SENSORS, 566 Manifest.permission.SEND_SMS, 567 Manifest.permission.RECEIVE_SMS, 568 Manifest.permission.READ_SMS, 569 Manifest.permission.RECEIVE_WAP_PUSH, 570 Manifest.permission.RECEIVE_MMS, 571 Manifest.permission.READ_EXTERNAL_STORAGE, 572 Manifest.permission.WRITE_EXTERNAL_STORAGE, 573 Manifest.permission.READ_PHONE_NUMBER, 574 Manifest.permission.ANSWER_PHONE_CALLS); 575 576 577 /** 578 * Version number for the package parser cache. Increment this whenever the format or 579 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 580 */ 581 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 582 583 /** 584 * Whether the package parser cache is enabled. 585 */ 586 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 587 588 final ServiceThread mHandlerThread; 589 590 final PackageHandler mHandler; 591 592 private final ProcessLoggingHandler mProcessLoggingHandler; 593 594 /** 595 * Messages for {@link #mHandler} that need to wait for system ready before 596 * being dispatched. 597 */ 598 private ArrayList<Message> mPostSystemReadyMessages; 599 600 final int mSdkVersion = Build.VERSION.SDK_INT; 601 602 final Context mContext; 603 final boolean mFactoryTest; 604 final boolean mOnlyCore; 605 final DisplayMetrics mMetrics; 606 final int mDefParseFlags; 607 final String[] mSeparateProcesses; 608 final boolean mIsUpgrade; 609 final boolean mIsPreNUpgrade; 610 final boolean mIsPreNMR1Upgrade; 611 612 @GuardedBy("mPackages") 613 private boolean mDexOptDialogShown; 614 615 /** The location for ASEC container files on internal storage. */ 616 final String mAsecInternalPath; 617 618 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 619 // LOCK HELD. Can be called with mInstallLock held. 620 @GuardedBy("mInstallLock") 621 final Installer mInstaller; 622 623 /** Directory where installed third-party apps stored */ 624 final File mAppInstallDir; 625 626 /** 627 * Directory to which applications installed internally have their 628 * 32 bit native libraries copied. 629 */ 630 private File mAppLib32InstallDir; 631 632 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 633 // apps. 634 final File mDrmAppPrivateInstallDir; 635 636 // ---------------------------------------------------------------- 637 638 // Lock for state used when installing and doing other long running 639 // operations. Methods that must be called with this lock held have 640 // the suffix "LI". 641 final Object mInstallLock = new Object(); 642 643 // ---------------------------------------------------------------- 644 645 // Keys are String (package name), values are Package. This also serves 646 // as the lock for the global state. Methods that must be called with 647 // this lock held have the prefix "LP". 648 @GuardedBy("mPackages") 649 final ArrayMap<String, PackageParser.Package> mPackages = 650 new ArrayMap<String, PackageParser.Package>(); 651 652 final ArrayMap<String, Set<String>> mKnownCodebase = 653 new ArrayMap<String, Set<String>>(); 654 655 // List of APK paths to load for each user and package. This data is never 656 // persisted by the package manager. Instead, the overlay manager will 657 // ensure the data is up-to-date in runtime. 658 @GuardedBy("mPackages") 659 final SparseArray<ArrayMap<String, ArrayList<String>>> mEnabledOverlayPaths = 660 new SparseArray<ArrayMap<String, ArrayList<String>>>(); 661 662 /** 663 * Tracks new system packages [received in an OTA] that we expect to 664 * find updated user-installed versions. Keys are package name, values 665 * are package location. 666 */ 667 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 668 /** 669 * Tracks high priority intent filters for protected actions. During boot, certain 670 * filter actions are protected and should never be allowed to have a high priority 671 * intent filter for them. However, there is one, and only one exception -- the 672 * setup wizard. It must be able to define a high priority intent filter for these 673 * actions to ensure there are no escapes from the wizard. We need to delay processing 674 * of these during boot as we need to look at all of the system packages in order 675 * to know which component is the setup wizard. 676 */ 677 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 678 /** 679 * Whether or not processing protected filters should be deferred. 680 */ 681 private boolean mDeferProtectedFilters = true; 682 683 /** 684 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 685 */ 686 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 687 /** 688 * Whether or not system app permissions should be promoted from install to runtime. 689 */ 690 boolean mPromoteSystemApps; 691 692 @GuardedBy("mPackages") 693 final Settings mSettings; 694 695 /** 696 * Set of package names that are currently "frozen", which means active 697 * surgery is being done on the code/data for that package. The platform 698 * will refuse to launch frozen packages to avoid race conditions. 699 * 700 * @see PackageFreezer 701 */ 702 @GuardedBy("mPackages") 703 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 704 705 final ProtectedPackages mProtectedPackages; 706 707 boolean mFirstBoot; 708 709 PackageManagerInternal.ExternalSourcesPolicy mExternalSourcesPolicy; 710 711 // System configuration read by SystemConfig. 712 final int[] mGlobalGids; 713 final SparseArray<ArraySet<String>> mSystemPermissions; 714 @GuardedBy("mAvailableFeatures") 715 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 716 717 // If mac_permissions.xml was found for seinfo labeling. 718 boolean mFoundPolicyFile; 719 720 private final InstantAppRegistry mInstantAppRegistry; 721 722 @GuardedBy("mPackages") 723 int mChangedPackagesSequenceNumber; 724 /** 725 * List of changed [installed, removed or updated] packages. 726 * mapping from user id -> sequence number -> package name 727 */ 728 @GuardedBy("mPackages") 729 final SparseArray<SparseArray<String>> mChangedPackages = new SparseArray<>(); 730 /** 731 * The sequence number of the last change to a package. 732 * mapping from user id -> package name -> sequence number 733 */ 734 @GuardedBy("mPackages") 735 final SparseArray<Map<String, Integer>> mChangedPackagesSequenceNumbers = new SparseArray<>(); 736 737 final PackageParser.Callback mPackageParserCallback = new PackageParser.Callback() { 738 @Override public boolean hasFeature(String feature) { 739 return PackageManagerService.this.hasSystemFeature(feature, 0); 740 } 741 }; 742 743 public static final class SharedLibraryEntry { 744 public final String path; 745 public final String apk; 746 public final SharedLibraryInfo info; 747 748 SharedLibraryEntry(String _path, String _apk, String name, int version, int type, 749 String declaringPackageName, int declaringPackageVersionCode) { 750 path = _path; 751 apk = _apk; 752 info = new SharedLibraryInfo(name, version, type, new VersionedPackage( 753 declaringPackageName, declaringPackageVersionCode), null); 754 } 755 } 756 757 // Currently known shared libraries. 758 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mSharedLibraries = new ArrayMap<>(); 759 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mStaticLibsByDeclaringPackage = 760 new ArrayMap<>(); 761 762 // All available activities, for your resolving pleasure. 763 final ActivityIntentResolver mActivities = 764 new ActivityIntentResolver(); 765 766 // All available receivers, for your resolving pleasure. 767 final ActivityIntentResolver mReceivers = 768 new ActivityIntentResolver(); 769 770 // All available services, for your resolving pleasure. 771 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 772 773 // All available providers, for your resolving pleasure. 774 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 775 776 // Mapping from provider base names (first directory in content URI codePath) 777 // to the provider information. 778 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 779 new ArrayMap<String, PackageParser.Provider>(); 780 781 // Mapping from instrumentation class names to info about them. 782 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 783 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 784 785 // Mapping from permission names to info about them. 786 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 787 new ArrayMap<String, PackageParser.PermissionGroup>(); 788 789 // Packages whose data we have transfered into another package, thus 790 // should no longer exist. 791 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 792 793 // Broadcast actions that are only available to the system. 794 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 795 796 /** List of packages waiting for verification. */ 797 final SparseArray<PackageVerificationState> mPendingVerification 798 = new SparseArray<PackageVerificationState>(); 799 800 /** Set of packages associated with each app op permission. */ 801 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 802 803 final PackageInstallerService mInstallerService; 804 805 private final PackageDexOptimizer mPackageDexOptimizer; 806 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 807 // is used by other apps). 808 private final DexManager mDexManager; 809 810 private AtomicInteger mNextMoveId = new AtomicInteger(); 811 private final MoveCallbacks mMoveCallbacks; 812 813 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 814 815 // Cache of users who need badging. 816 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 817 818 /** Token for keys in mPendingVerification. */ 819 private int mPendingVerificationToken = 0; 820 821 volatile boolean mSystemReady; 822 volatile boolean mSafeMode; 823 volatile boolean mHasSystemUidErrors; 824 825 ApplicationInfo mAndroidApplication; 826 final ActivityInfo mResolveActivity = new ActivityInfo(); 827 final ResolveInfo mResolveInfo = new ResolveInfo(); 828 ComponentName mResolveComponentName; 829 PackageParser.Package mPlatformPackage; 830 ComponentName mCustomResolverComponentName; 831 832 boolean mResolverReplaced = false; 833 834 private final @Nullable ComponentName mIntentFilterVerifierComponent; 835 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 836 837 private int mIntentFilterVerificationToken = 0; 838 839 /** The service connection to the ephemeral resolver */ 840 final EphemeralResolverConnection mInstantAppResolverConnection; 841 842 /** Component used to install ephemeral applications */ 843 ComponentName mInstantAppInstallerComponent; 844 final ActivityInfo mInstantAppInstallerActivity = new ActivityInfo(); 845 final ResolveInfo mInstantAppInstallerInfo = new ResolveInfo(); 846 847 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 848 = new SparseArray<IntentFilterVerificationState>(); 849 850 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 851 852 // List of packages names to keep cached, even if they are uninstalled for all users 853 private List<String> mKeepUninstalledPackages; 854 855 private UserManagerInternal mUserManagerInternal; 856 857 private DeviceIdleController.LocalService mDeviceIdleController; 858 859 private File mCacheDir; 860 861 private ArraySet<String> mPrivappPermissionsViolations; 862 863 private Future<?> mPrepareAppDataFuture; 864 865 private static class IFVerificationParams { 866 PackageParser.Package pkg; 867 boolean replacing; 868 int userId; 869 int verifierUid; 870 871 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 872 int _userId, int _verifierUid) { 873 pkg = _pkg; 874 replacing = _replacing; 875 userId = _userId; 876 replacing = _replacing; 877 verifierUid = _verifierUid; 878 } 879 } 880 881 private interface IntentFilterVerifier<T extends IntentFilter> { 882 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 883 T filter, String packageName); 884 void startVerifications(int userId); 885 void receiveVerificationResponse(int verificationId); 886 } 887 888 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 889 private Context mContext; 890 private ComponentName mIntentFilterVerifierComponent; 891 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 892 893 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 894 mContext = context; 895 mIntentFilterVerifierComponent = verifierComponent; 896 } 897 898 private String getDefaultScheme() { 899 return IntentFilter.SCHEME_HTTPS; 900 } 901 902 @Override 903 public void startVerifications(int userId) { 904 // Launch verifications requests 905 int count = mCurrentIntentFilterVerifications.size(); 906 for (int n=0; n<count; n++) { 907 int verificationId = mCurrentIntentFilterVerifications.get(n); 908 final IntentFilterVerificationState ivs = 909 mIntentFilterVerificationStates.get(verificationId); 910 911 String packageName = ivs.getPackageName(); 912 913 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 914 final int filterCount = filters.size(); 915 ArraySet<String> domainsSet = new ArraySet<>(); 916 for (int m=0; m<filterCount; m++) { 917 PackageParser.ActivityIntentInfo filter = filters.get(m); 918 domainsSet.addAll(filter.getHostsList()); 919 } 920 synchronized (mPackages) { 921 if (mSettings.createIntentFilterVerificationIfNeededLPw( 922 packageName, domainsSet) != null) { 923 scheduleWriteSettingsLocked(); 924 } 925 } 926 sendVerificationRequest(userId, verificationId, ivs); 927 } 928 mCurrentIntentFilterVerifications.clear(); 929 } 930 931 private void sendVerificationRequest(int userId, int verificationId, 932 IntentFilterVerificationState ivs) { 933 934 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 935 verificationIntent.putExtra( 936 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 937 verificationId); 938 verificationIntent.putExtra( 939 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 940 getDefaultScheme()); 941 verificationIntent.putExtra( 942 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 943 ivs.getHostsString()); 944 verificationIntent.putExtra( 945 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 946 ivs.getPackageName()); 947 verificationIntent.setComponent(mIntentFilterVerifierComponent); 948 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 949 950 UserHandle user = new UserHandle(userId); 951 mContext.sendBroadcastAsUser(verificationIntent, user); 952 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 953 "Sending IntentFilter verification broadcast"); 954 } 955 956 public void receiveVerificationResponse(int verificationId) { 957 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 958 959 final boolean verified = ivs.isVerified(); 960 961 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 962 final int count = filters.size(); 963 if (DEBUG_DOMAIN_VERIFICATION) { 964 Slog.i(TAG, "Received verification response " + verificationId 965 + " for " + count + " filters, verified=" + verified); 966 } 967 for (int n=0; n<count; n++) { 968 PackageParser.ActivityIntentInfo filter = filters.get(n); 969 filter.setVerified(verified); 970 971 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 972 + " verified with result:" + verified + " and hosts:" 973 + ivs.getHostsString()); 974 } 975 976 mIntentFilterVerificationStates.remove(verificationId); 977 978 final String packageName = ivs.getPackageName(); 979 IntentFilterVerificationInfo ivi = null; 980 981 synchronized (mPackages) { 982 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 983 } 984 if (ivi == null) { 985 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 986 + verificationId + " packageName:" + packageName); 987 return; 988 } 989 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 990 "Updating IntentFilterVerificationInfo for package " + packageName 991 +" verificationId:" + verificationId); 992 993 synchronized (mPackages) { 994 if (verified) { 995 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 996 } else { 997 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 998 } 999 scheduleWriteSettingsLocked(); 1000 1001 final int userId = ivs.getUserId(); 1002 if (userId != UserHandle.USER_ALL) { 1003 final int userStatus = 1004 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 1005 1006 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 1007 boolean needUpdate = false; 1008 1009 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 1010 // already been set by the User thru the Disambiguation dialog 1011 switch (userStatus) { 1012 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 1013 if (verified) { 1014 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1015 } else { 1016 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 1017 } 1018 needUpdate = true; 1019 break; 1020 1021 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 1022 if (verified) { 1023 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1024 needUpdate = true; 1025 } 1026 break; 1027 1028 default: 1029 // Nothing to do 1030 } 1031 1032 if (needUpdate) { 1033 mSettings.updateIntentFilterVerificationStatusLPw( 1034 packageName, updatedStatus, userId); 1035 scheduleWritePackageRestrictionsLocked(userId); 1036 } 1037 } 1038 } 1039 } 1040 1041 @Override 1042 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 1043 ActivityIntentInfo filter, String packageName) { 1044 if (!hasValidDomains(filter)) { 1045 return false; 1046 } 1047 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1048 if (ivs == null) { 1049 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1050 packageName); 1051 } 1052 if (DEBUG_DOMAIN_VERIFICATION) { 1053 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1054 } 1055 ivs.addFilter(filter); 1056 return true; 1057 } 1058 1059 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1060 int userId, int verificationId, String packageName) { 1061 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1062 verifierUid, userId, packageName); 1063 ivs.setPendingState(); 1064 synchronized (mPackages) { 1065 mIntentFilterVerificationStates.append(verificationId, ivs); 1066 mCurrentIntentFilterVerifications.add(verificationId); 1067 } 1068 return ivs; 1069 } 1070 } 1071 1072 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1073 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1074 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1075 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1076 } 1077 1078 // Set of pending broadcasts for aggregating enable/disable of components. 1079 static class PendingPackageBroadcasts { 1080 // for each user id, a map of <package name -> components within that package> 1081 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1082 1083 public PendingPackageBroadcasts() { 1084 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1085 } 1086 1087 public ArrayList<String> get(int userId, String packageName) { 1088 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1089 return packages.get(packageName); 1090 } 1091 1092 public void put(int userId, String packageName, ArrayList<String> components) { 1093 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1094 packages.put(packageName, components); 1095 } 1096 1097 public void remove(int userId, String packageName) { 1098 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1099 if (packages != null) { 1100 packages.remove(packageName); 1101 } 1102 } 1103 1104 public void remove(int userId) { 1105 mUidMap.remove(userId); 1106 } 1107 1108 public int userIdCount() { 1109 return mUidMap.size(); 1110 } 1111 1112 public int userIdAt(int n) { 1113 return mUidMap.keyAt(n); 1114 } 1115 1116 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1117 return mUidMap.get(userId); 1118 } 1119 1120 public int size() { 1121 // total number of pending broadcast entries across all userIds 1122 int num = 0; 1123 for (int i = 0; i< mUidMap.size(); i++) { 1124 num += mUidMap.valueAt(i).size(); 1125 } 1126 return num; 1127 } 1128 1129 public void clear() { 1130 mUidMap.clear(); 1131 } 1132 1133 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1134 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1135 if (map == null) { 1136 map = new ArrayMap<String, ArrayList<String>>(); 1137 mUidMap.put(userId, map); 1138 } 1139 return map; 1140 } 1141 } 1142 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1143 1144 // Service Connection to remote media container service to copy 1145 // package uri's from external media onto secure containers 1146 // or internal storage. 1147 private IMediaContainerService mContainerService = null; 1148 1149 static final int SEND_PENDING_BROADCAST = 1; 1150 static final int MCS_BOUND = 3; 1151 static final int END_COPY = 4; 1152 static final int INIT_COPY = 5; 1153 static final int MCS_UNBIND = 6; 1154 static final int START_CLEANING_PACKAGE = 7; 1155 static final int FIND_INSTALL_LOC = 8; 1156 static final int POST_INSTALL = 9; 1157 static final int MCS_RECONNECT = 10; 1158 static final int MCS_GIVE_UP = 11; 1159 static final int UPDATED_MEDIA_STATUS = 12; 1160 static final int WRITE_SETTINGS = 13; 1161 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1162 static final int PACKAGE_VERIFIED = 15; 1163 static final int CHECK_PENDING_VERIFICATION = 16; 1164 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1165 static final int INTENT_FILTER_VERIFIED = 18; 1166 static final int WRITE_PACKAGE_LIST = 19; 1167 static final int INSTANT_APP_RESOLUTION_PHASE_TWO = 20; 1168 1169 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1170 1171 // Delay time in millisecs 1172 static final int BROADCAST_DELAY = 10 * 1000; 1173 1174 static UserManagerService sUserManager; 1175 1176 // Stores a list of users whose package restrictions file needs to be updated 1177 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1178 1179 final private DefaultContainerConnection mDefContainerConn = 1180 new DefaultContainerConnection(); 1181 class DefaultContainerConnection implements ServiceConnection { 1182 public void onServiceConnected(ComponentName name, IBinder service) { 1183 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1184 final IMediaContainerService imcs = IMediaContainerService.Stub 1185 .asInterface(Binder.allowBlocking(service)); 1186 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1187 } 1188 1189 public void onServiceDisconnected(ComponentName name) { 1190 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1191 } 1192 } 1193 1194 // Recordkeeping of restore-after-install operations that are currently in flight 1195 // between the Package Manager and the Backup Manager 1196 static class PostInstallData { 1197 public InstallArgs args; 1198 public PackageInstalledInfo res; 1199 1200 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1201 args = _a; 1202 res = _r; 1203 } 1204 } 1205 1206 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1207 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1208 1209 // XML tags for backup/restore of various bits of state 1210 private static final String TAG_PREFERRED_BACKUP = "pa"; 1211 private static final String TAG_DEFAULT_APPS = "da"; 1212 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1213 1214 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1215 private static final String TAG_ALL_GRANTS = "rt-grants"; 1216 private static final String TAG_GRANT = "grant"; 1217 private static final String ATTR_PACKAGE_NAME = "pkg"; 1218 1219 private static final String TAG_PERMISSION = "perm"; 1220 private static final String ATTR_PERMISSION_NAME = "name"; 1221 private static final String ATTR_IS_GRANTED = "g"; 1222 private static final String ATTR_USER_SET = "set"; 1223 private static final String ATTR_USER_FIXED = "fixed"; 1224 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1225 1226 // System/policy permission grants are not backed up 1227 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1228 FLAG_PERMISSION_POLICY_FIXED 1229 | FLAG_PERMISSION_SYSTEM_FIXED 1230 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1231 1232 // And we back up these user-adjusted states 1233 private static final int USER_RUNTIME_GRANT_MASK = 1234 FLAG_PERMISSION_USER_SET 1235 | FLAG_PERMISSION_USER_FIXED 1236 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1237 1238 final @Nullable String mRequiredVerifierPackage; 1239 final @NonNull String mRequiredInstallerPackage; 1240 final @NonNull String mRequiredUninstallerPackage; 1241 final @Nullable String mSetupWizardPackage; 1242 final @Nullable String mStorageManagerPackage; 1243 final @NonNull String mServicesSystemSharedLibraryPackageName; 1244 final @NonNull String mSharedSystemSharedLibraryPackageName; 1245 1246 final boolean mPermissionReviewRequired; 1247 1248 private final PackageUsage mPackageUsage = new PackageUsage(); 1249 private final CompilerStats mCompilerStats = new CompilerStats(); 1250 1251 class PackageHandler extends Handler { 1252 private boolean mBound = false; 1253 final ArrayList<HandlerParams> mPendingInstalls = 1254 new ArrayList<HandlerParams>(); 1255 1256 private boolean connectToService() { 1257 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1258 " DefaultContainerService"); 1259 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1260 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1261 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1262 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1263 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1264 mBound = true; 1265 return true; 1266 } 1267 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1268 return false; 1269 } 1270 1271 private void disconnectService() { 1272 mContainerService = null; 1273 mBound = false; 1274 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1275 mContext.unbindService(mDefContainerConn); 1276 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1277 } 1278 1279 PackageHandler(Looper looper) { 1280 super(looper); 1281 } 1282 1283 public void handleMessage(Message msg) { 1284 try { 1285 doHandleMessage(msg); 1286 } finally { 1287 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1288 } 1289 } 1290 1291 void doHandleMessage(Message msg) { 1292 switch (msg.what) { 1293 case INIT_COPY: { 1294 HandlerParams params = (HandlerParams) msg.obj; 1295 int idx = mPendingInstalls.size(); 1296 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1297 // If a bind was already initiated we dont really 1298 // need to do anything. The pending install 1299 // will be processed later on. 1300 if (!mBound) { 1301 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1302 System.identityHashCode(mHandler)); 1303 // If this is the only one pending we might 1304 // have to bind to the service again. 1305 if (!connectToService()) { 1306 Slog.e(TAG, "Failed to bind to media container service"); 1307 params.serviceError(); 1308 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1309 System.identityHashCode(mHandler)); 1310 if (params.traceMethod != null) { 1311 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1312 params.traceCookie); 1313 } 1314 return; 1315 } else { 1316 // Once we bind to the service, the first 1317 // pending request will be processed. 1318 mPendingInstalls.add(idx, params); 1319 } 1320 } else { 1321 mPendingInstalls.add(idx, params); 1322 // Already bound to the service. Just make 1323 // sure we trigger off processing the first request. 1324 if (idx == 0) { 1325 mHandler.sendEmptyMessage(MCS_BOUND); 1326 } 1327 } 1328 break; 1329 } 1330 case MCS_BOUND: { 1331 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1332 if (msg.obj != null) { 1333 mContainerService = (IMediaContainerService) msg.obj; 1334 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1335 System.identityHashCode(mHandler)); 1336 } 1337 if (mContainerService == null) { 1338 if (!mBound) { 1339 // Something seriously wrong since we are not bound and we are not 1340 // waiting for connection. Bail out. 1341 Slog.e(TAG, "Cannot bind to media container service"); 1342 for (HandlerParams params : mPendingInstalls) { 1343 // Indicate service bind error 1344 params.serviceError(); 1345 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1346 System.identityHashCode(params)); 1347 if (params.traceMethod != null) { 1348 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1349 params.traceMethod, params.traceCookie); 1350 } 1351 return; 1352 } 1353 mPendingInstalls.clear(); 1354 } else { 1355 Slog.w(TAG, "Waiting to connect to media container service"); 1356 } 1357 } else if (mPendingInstalls.size() > 0) { 1358 HandlerParams params = mPendingInstalls.get(0); 1359 if (params != null) { 1360 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1361 System.identityHashCode(params)); 1362 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1363 if (params.startCopy()) { 1364 // We are done... look for more work or to 1365 // go idle. 1366 if (DEBUG_SD_INSTALL) Log.i(TAG, 1367 "Checking for more work or unbind..."); 1368 // Delete pending install 1369 if (mPendingInstalls.size() > 0) { 1370 mPendingInstalls.remove(0); 1371 } 1372 if (mPendingInstalls.size() == 0) { 1373 if (mBound) { 1374 if (DEBUG_SD_INSTALL) Log.i(TAG, 1375 "Posting delayed MCS_UNBIND"); 1376 removeMessages(MCS_UNBIND); 1377 Message ubmsg = obtainMessage(MCS_UNBIND); 1378 // Unbind after a little delay, to avoid 1379 // continual thrashing. 1380 sendMessageDelayed(ubmsg, 10000); 1381 } 1382 } else { 1383 // There are more pending requests in queue. 1384 // Just post MCS_BOUND message to trigger processing 1385 // of next pending install. 1386 if (DEBUG_SD_INSTALL) Log.i(TAG, 1387 "Posting MCS_BOUND for next work"); 1388 mHandler.sendEmptyMessage(MCS_BOUND); 1389 } 1390 } 1391 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1392 } 1393 } else { 1394 // Should never happen ideally. 1395 Slog.w(TAG, "Empty queue"); 1396 } 1397 break; 1398 } 1399 case MCS_RECONNECT: { 1400 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1401 if (mPendingInstalls.size() > 0) { 1402 if (mBound) { 1403 disconnectService(); 1404 } 1405 if (!connectToService()) { 1406 Slog.e(TAG, "Failed to bind to media container service"); 1407 for (HandlerParams params : mPendingInstalls) { 1408 // Indicate service bind error 1409 params.serviceError(); 1410 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1411 System.identityHashCode(params)); 1412 } 1413 mPendingInstalls.clear(); 1414 } 1415 } 1416 break; 1417 } 1418 case MCS_UNBIND: { 1419 // If there is no actual work left, then time to unbind. 1420 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1421 1422 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1423 if (mBound) { 1424 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1425 1426 disconnectService(); 1427 } 1428 } else if (mPendingInstalls.size() > 0) { 1429 // There are more pending requests in queue. 1430 // Just post MCS_BOUND message to trigger processing 1431 // of next pending install. 1432 mHandler.sendEmptyMessage(MCS_BOUND); 1433 } 1434 1435 break; 1436 } 1437 case MCS_GIVE_UP: { 1438 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1439 HandlerParams params = mPendingInstalls.remove(0); 1440 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1441 System.identityHashCode(params)); 1442 break; 1443 } 1444 case SEND_PENDING_BROADCAST: { 1445 String packages[]; 1446 ArrayList<String> components[]; 1447 int size = 0; 1448 int uids[]; 1449 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1450 synchronized (mPackages) { 1451 if (mPendingBroadcasts == null) { 1452 return; 1453 } 1454 size = mPendingBroadcasts.size(); 1455 if (size <= 0) { 1456 // Nothing to be done. Just return 1457 return; 1458 } 1459 packages = new String[size]; 1460 components = new ArrayList[size]; 1461 uids = new int[size]; 1462 int i = 0; // filling out the above arrays 1463 1464 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1465 int packageUserId = mPendingBroadcasts.userIdAt(n); 1466 Iterator<Map.Entry<String, ArrayList<String>>> it 1467 = mPendingBroadcasts.packagesForUserId(packageUserId) 1468 .entrySet().iterator(); 1469 while (it.hasNext() && i < size) { 1470 Map.Entry<String, ArrayList<String>> ent = it.next(); 1471 packages[i] = ent.getKey(); 1472 components[i] = ent.getValue(); 1473 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1474 uids[i] = (ps != null) 1475 ? UserHandle.getUid(packageUserId, ps.appId) 1476 : -1; 1477 i++; 1478 } 1479 } 1480 size = i; 1481 mPendingBroadcasts.clear(); 1482 } 1483 // Send broadcasts 1484 for (int i = 0; i < size; i++) { 1485 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1486 } 1487 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1488 break; 1489 } 1490 case START_CLEANING_PACKAGE: { 1491 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1492 final String packageName = (String)msg.obj; 1493 final int userId = msg.arg1; 1494 final boolean andCode = msg.arg2 != 0; 1495 synchronized (mPackages) { 1496 if (userId == UserHandle.USER_ALL) { 1497 int[] users = sUserManager.getUserIds(); 1498 for (int user : users) { 1499 mSettings.addPackageToCleanLPw( 1500 new PackageCleanItem(user, packageName, andCode)); 1501 } 1502 } else { 1503 mSettings.addPackageToCleanLPw( 1504 new PackageCleanItem(userId, packageName, andCode)); 1505 } 1506 } 1507 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1508 startCleaningPackages(); 1509 } break; 1510 case POST_INSTALL: { 1511 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1512 1513 PostInstallData data = mRunningInstalls.get(msg.arg1); 1514 final boolean didRestore = (msg.arg2 != 0); 1515 mRunningInstalls.delete(msg.arg1); 1516 1517 if (data != null) { 1518 InstallArgs args = data.args; 1519 PackageInstalledInfo parentRes = data.res; 1520 1521 final boolean grantPermissions = (args.installFlags 1522 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1523 final boolean killApp = (args.installFlags 1524 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1525 final String[] grantedPermissions = args.installGrantPermissions; 1526 1527 // Handle the parent package 1528 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1529 grantedPermissions, didRestore, args.installerPackageName, 1530 args.observer); 1531 1532 // Handle the child packages 1533 final int childCount = (parentRes.addedChildPackages != null) 1534 ? parentRes.addedChildPackages.size() : 0; 1535 for (int i = 0; i < childCount; i++) { 1536 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1537 handlePackagePostInstall(childRes, grantPermissions, killApp, 1538 grantedPermissions, false, args.installerPackageName, 1539 args.observer); 1540 } 1541 1542 // Log tracing if needed 1543 if (args.traceMethod != null) { 1544 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1545 args.traceCookie); 1546 } 1547 } else { 1548 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1549 } 1550 1551 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1552 } break; 1553 case UPDATED_MEDIA_STATUS: { 1554 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1555 boolean reportStatus = msg.arg1 == 1; 1556 boolean doGc = msg.arg2 == 1; 1557 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1558 if (doGc) { 1559 // Force a gc to clear up stale containers. 1560 Runtime.getRuntime().gc(); 1561 } 1562 if (msg.obj != null) { 1563 @SuppressWarnings("unchecked") 1564 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1565 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1566 // Unload containers 1567 unloadAllContainers(args); 1568 } 1569 if (reportStatus) { 1570 try { 1571 if (DEBUG_SD_INSTALL) Log.i(TAG, 1572 "Invoking StorageManagerService call back"); 1573 PackageHelper.getStorageManager().finishMediaUpdate(); 1574 } catch (RemoteException e) { 1575 Log.e(TAG, "StorageManagerService not running?"); 1576 } 1577 } 1578 } break; 1579 case WRITE_SETTINGS: { 1580 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1581 synchronized (mPackages) { 1582 removeMessages(WRITE_SETTINGS); 1583 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1584 mSettings.writeLPr(); 1585 mDirtyUsers.clear(); 1586 } 1587 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1588 } break; 1589 case WRITE_PACKAGE_RESTRICTIONS: { 1590 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1591 synchronized (mPackages) { 1592 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1593 for (int userId : mDirtyUsers) { 1594 mSettings.writePackageRestrictionsLPr(userId); 1595 } 1596 mDirtyUsers.clear(); 1597 } 1598 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1599 } break; 1600 case WRITE_PACKAGE_LIST: { 1601 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1602 synchronized (mPackages) { 1603 removeMessages(WRITE_PACKAGE_LIST); 1604 mSettings.writePackageListLPr(msg.arg1); 1605 } 1606 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1607 } break; 1608 case CHECK_PENDING_VERIFICATION: { 1609 final int verificationId = msg.arg1; 1610 final PackageVerificationState state = mPendingVerification.get(verificationId); 1611 1612 if ((state != null) && !state.timeoutExtended()) { 1613 final InstallArgs args = state.getInstallArgs(); 1614 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1615 1616 Slog.i(TAG, "Verification timed out for " + originUri); 1617 mPendingVerification.remove(verificationId); 1618 1619 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1620 1621 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1622 Slog.i(TAG, "Continuing with installation of " + originUri); 1623 state.setVerifierResponse(Binder.getCallingUid(), 1624 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1625 broadcastPackageVerified(verificationId, originUri, 1626 PackageManager.VERIFICATION_ALLOW, 1627 state.getInstallArgs().getUser()); 1628 try { 1629 ret = args.copyApk(mContainerService, true); 1630 } catch (RemoteException e) { 1631 Slog.e(TAG, "Could not contact the ContainerService"); 1632 } 1633 } else { 1634 broadcastPackageVerified(verificationId, originUri, 1635 PackageManager.VERIFICATION_REJECT, 1636 state.getInstallArgs().getUser()); 1637 } 1638 1639 Trace.asyncTraceEnd( 1640 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1641 1642 processPendingInstall(args, ret); 1643 mHandler.sendEmptyMessage(MCS_UNBIND); 1644 } 1645 break; 1646 } 1647 case PACKAGE_VERIFIED: { 1648 final int verificationId = msg.arg1; 1649 1650 final PackageVerificationState state = mPendingVerification.get(verificationId); 1651 if (state == null) { 1652 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1653 break; 1654 } 1655 1656 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1657 1658 state.setVerifierResponse(response.callerUid, response.code); 1659 1660 if (state.isVerificationComplete()) { 1661 mPendingVerification.remove(verificationId); 1662 1663 final InstallArgs args = state.getInstallArgs(); 1664 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1665 1666 int ret; 1667 if (state.isInstallAllowed()) { 1668 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1669 broadcastPackageVerified(verificationId, originUri, 1670 response.code, state.getInstallArgs().getUser()); 1671 try { 1672 ret = args.copyApk(mContainerService, true); 1673 } catch (RemoteException e) { 1674 Slog.e(TAG, "Could not contact the ContainerService"); 1675 } 1676 } else { 1677 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1678 } 1679 1680 Trace.asyncTraceEnd( 1681 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1682 1683 processPendingInstall(args, ret); 1684 mHandler.sendEmptyMessage(MCS_UNBIND); 1685 } 1686 1687 break; 1688 } 1689 case START_INTENT_FILTER_VERIFICATIONS: { 1690 IFVerificationParams params = (IFVerificationParams) msg.obj; 1691 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1692 params.replacing, params.pkg); 1693 break; 1694 } 1695 case INTENT_FILTER_VERIFIED: { 1696 final int verificationId = msg.arg1; 1697 1698 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1699 verificationId); 1700 if (state == null) { 1701 Slog.w(TAG, "Invalid IntentFilter verification token " 1702 + verificationId + " received"); 1703 break; 1704 } 1705 1706 final int userId = state.getUserId(); 1707 1708 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1709 "Processing IntentFilter verification with token:" 1710 + verificationId + " and userId:" + userId); 1711 1712 final IntentFilterVerificationResponse response = 1713 (IntentFilterVerificationResponse) msg.obj; 1714 1715 state.setVerifierResponse(response.callerUid, response.code); 1716 1717 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1718 "IntentFilter verification with token:" + verificationId 1719 + " and userId:" + userId 1720 + " is settings verifier response with response code:" 1721 + response.code); 1722 1723 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1724 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1725 + response.getFailedDomainsString()); 1726 } 1727 1728 if (state.isVerificationComplete()) { 1729 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1730 } else { 1731 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1732 "IntentFilter verification with token:" + verificationId 1733 + " was not said to be complete"); 1734 } 1735 1736 break; 1737 } 1738 case INSTANT_APP_RESOLUTION_PHASE_TWO: { 1739 InstantAppResolver.doInstantAppResolutionPhaseTwo(mContext, 1740 mInstantAppResolverConnection, 1741 (InstantAppRequest) msg.obj, 1742 mInstantAppInstallerActivity, 1743 mHandler); 1744 } 1745 } 1746 } 1747 } 1748 1749 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1750 boolean killApp, String[] grantedPermissions, 1751 boolean launchedForRestore, String installerPackage, 1752 IPackageInstallObserver2 installObserver) { 1753 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1754 // Send the removed broadcasts 1755 if (res.removedInfo != null) { 1756 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1757 } 1758 1759 // Now that we successfully installed the package, grant runtime 1760 // permissions if requested before broadcasting the install. Also 1761 // for legacy apps in permission review mode we clear the permission 1762 // review flag which is used to emulate runtime permissions for 1763 // legacy apps. 1764 if (grantPermissions) { 1765 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1766 } 1767 1768 final boolean update = res.removedInfo != null 1769 && res.removedInfo.removedPackage != null; 1770 1771 // If this is the first time we have child packages for a disabled privileged 1772 // app that had no children, we grant requested runtime permissions to the new 1773 // children if the parent on the system image had them already granted. 1774 if (res.pkg.parentPackage != null) { 1775 synchronized (mPackages) { 1776 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1777 } 1778 } 1779 1780 synchronized (mPackages) { 1781 mInstantAppRegistry.onPackageInstalledLPw(res.pkg, res.newUsers); 1782 } 1783 1784 final String packageName = res.pkg.applicationInfo.packageName; 1785 1786 // Determine the set of users who are adding this package for 1787 // the first time vs. those who are seeing an update. 1788 int[] firstUsers = EMPTY_INT_ARRAY; 1789 int[] updateUsers = EMPTY_INT_ARRAY; 1790 final boolean allNewUsers = res.origUsers == null || res.origUsers.length == 0; 1791 final PackageSetting ps = (PackageSetting) res.pkg.mExtras; 1792 for (int newUser : res.newUsers) { 1793 if (ps.getInstantApp(newUser)) { 1794 continue; 1795 } 1796 if (allNewUsers) { 1797 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1798 continue; 1799 } 1800 boolean isNew = true; 1801 for (int origUser : res.origUsers) { 1802 if (origUser == newUser) { 1803 isNew = false; 1804 break; 1805 } 1806 } 1807 if (isNew) { 1808 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1809 } else { 1810 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1811 } 1812 } 1813 1814 // Send installed broadcasts if the package is not a static shared lib. 1815 if (res.pkg.staticSharedLibName == null) { 1816 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1817 1818 // Send added for users that see the package for the first time 1819 // sendPackageAddedForNewUsers also deals with system apps 1820 int appId = UserHandle.getAppId(res.uid); 1821 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 1822 sendPackageAddedForNewUsers(packageName, isSystem, appId, firstUsers); 1823 1824 // Send added for users that don't see the package for the first time 1825 Bundle extras = new Bundle(1); 1826 extras.putInt(Intent.EXTRA_UID, res.uid); 1827 if (update) { 1828 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1829 } 1830 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1831 extras, 0 /*flags*/, null /*targetPackage*/, 1832 null /*finishedReceiver*/, updateUsers); 1833 1834 // Send replaced for users that don't see the package for the first time 1835 if (update) { 1836 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1837 packageName, extras, 0 /*flags*/, 1838 null /*targetPackage*/, null /*finishedReceiver*/, 1839 updateUsers); 1840 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1841 null /*package*/, null /*extras*/, 0 /*flags*/, 1842 packageName /*targetPackage*/, 1843 null /*finishedReceiver*/, updateUsers); 1844 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1845 // First-install and we did a restore, so we're responsible for the 1846 // first-launch broadcast. 1847 if (DEBUG_BACKUP) { 1848 Slog.i(TAG, "Post-restore of " + packageName 1849 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1850 } 1851 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1852 } 1853 1854 // Send broadcast package appeared if forward locked/external for all users 1855 // treat asec-hosted packages like removable media on upgrade 1856 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1857 if (DEBUG_INSTALL) { 1858 Slog.i(TAG, "upgrading pkg " + res.pkg 1859 + " is ASEC-hosted -> AVAILABLE"); 1860 } 1861 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1862 ArrayList<String> pkgList = new ArrayList<>(1); 1863 pkgList.add(packageName); 1864 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1865 } 1866 } 1867 1868 // Work that needs to happen on first install within each user 1869 if (firstUsers != null && firstUsers.length > 0) { 1870 synchronized (mPackages) { 1871 for (int userId : firstUsers) { 1872 // If this app is a browser and it's newly-installed for some 1873 // users, clear any default-browser state in those users. The 1874 // app's nature doesn't depend on the user, so we can just check 1875 // its browser nature in any user and generalize. 1876 if (packageIsBrowser(packageName, userId)) { 1877 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1878 } 1879 1880 // We may also need to apply pending (restored) runtime 1881 // permission grants within these users. 1882 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1883 } 1884 } 1885 } 1886 1887 // Log current value of "unknown sources" setting 1888 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1889 getUnknownSourcesSettings()); 1890 1891 // Force a gc to clear up things 1892 Runtime.getRuntime().gc(); 1893 1894 // Remove the replaced package's older resources safely now 1895 // We delete after a gc for applications on sdcard. 1896 if (res.removedInfo != null && res.removedInfo.args != null) { 1897 synchronized (mInstallLock) { 1898 res.removedInfo.args.doPostDeleteLI(true); 1899 } 1900 } 1901 1902 // Notify DexManager that the package was installed for new users. 1903 // The updated users should already be indexed and the package code paths 1904 // should not change. 1905 // Don't notify the manager for ephemeral apps as they are not expected to 1906 // survive long enough to benefit of background optimizations. 1907 for (int userId : firstUsers) { 1908 PackageInfo info = getPackageInfo(packageName, /*flags*/ 0, userId); 1909 mDexManager.notifyPackageInstalled(info, userId); 1910 } 1911 } 1912 1913 // If someone is watching installs - notify them 1914 if (installObserver != null) { 1915 try { 1916 Bundle extras = extrasForInstallResult(res); 1917 installObserver.onPackageInstalled(res.name, res.returnCode, 1918 res.returnMsg, extras); 1919 } catch (RemoteException e) { 1920 Slog.i(TAG, "Observer no longer exists."); 1921 } 1922 } 1923 } 1924 1925 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1926 PackageParser.Package pkg) { 1927 if (pkg.parentPackage == null) { 1928 return; 1929 } 1930 if (pkg.requestedPermissions == null) { 1931 return; 1932 } 1933 final PackageSetting disabledSysParentPs = mSettings 1934 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1935 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1936 || !disabledSysParentPs.isPrivileged() 1937 || (disabledSysParentPs.childPackageNames != null 1938 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1939 return; 1940 } 1941 final int[] allUserIds = sUserManager.getUserIds(); 1942 final int permCount = pkg.requestedPermissions.size(); 1943 for (int i = 0; i < permCount; i++) { 1944 String permission = pkg.requestedPermissions.get(i); 1945 BasePermission bp = mSettings.mPermissions.get(permission); 1946 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1947 continue; 1948 } 1949 for (int userId : allUserIds) { 1950 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1951 permission, userId)) { 1952 grantRuntimePermission(pkg.packageName, permission, userId); 1953 } 1954 } 1955 } 1956 } 1957 1958 private StorageEventListener mStorageListener = new StorageEventListener() { 1959 @Override 1960 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1961 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1962 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1963 final String volumeUuid = vol.getFsUuid(); 1964 1965 // Clean up any users or apps that were removed or recreated 1966 // while this volume was missing 1967 sUserManager.reconcileUsers(volumeUuid); 1968 reconcileApps(volumeUuid); 1969 1970 // Clean up any install sessions that expired or were 1971 // cancelled while this volume was missing 1972 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1973 1974 loadPrivatePackages(vol); 1975 1976 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1977 unloadPrivatePackages(vol); 1978 } 1979 } 1980 1981 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1982 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1983 updateExternalMediaStatus(true, false); 1984 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1985 updateExternalMediaStatus(false, false); 1986 } 1987 } 1988 } 1989 1990 @Override 1991 public void onVolumeForgotten(String fsUuid) { 1992 if (TextUtils.isEmpty(fsUuid)) { 1993 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1994 return; 1995 } 1996 1997 // Remove any apps installed on the forgotten volume 1998 synchronized (mPackages) { 1999 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2000 for (PackageSetting ps : packages) { 2001 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2002 deletePackageVersioned(new VersionedPackage(ps.name, 2003 PackageManager.VERSION_CODE_HIGHEST), 2004 new LegacyPackageDeleteObserver(null).getBinder(), 2005 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2006 // Try very hard to release any references to this package 2007 // so we don't risk the system server being killed due to 2008 // open FDs 2009 AttributeCache.instance().removePackage(ps.name); 2010 } 2011 2012 mSettings.onVolumeForgotten(fsUuid); 2013 mSettings.writeLPr(); 2014 } 2015 } 2016 }; 2017 2018 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2019 String[] grantedPermissions) { 2020 for (int userId : userIds) { 2021 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2022 } 2023 } 2024 2025 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2026 String[] grantedPermissions) { 2027 SettingBase sb = (SettingBase) pkg.mExtras; 2028 if (sb == null) { 2029 return; 2030 } 2031 2032 PermissionsState permissionsState = sb.getPermissionsState(); 2033 2034 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2035 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2036 2037 final boolean supportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 2038 >= Build.VERSION_CODES.M; 2039 2040 final boolean instantApp = isInstantApp(pkg.packageName, userId); 2041 2042 for (String permission : pkg.requestedPermissions) { 2043 final BasePermission bp; 2044 synchronized (mPackages) { 2045 bp = mSettings.mPermissions.get(permission); 2046 } 2047 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2048 && (!instantApp || bp.isInstant()) 2049 && (grantedPermissions == null 2050 || ArrayUtils.contains(grantedPermissions, permission))) { 2051 final int flags = permissionsState.getPermissionFlags(permission, userId); 2052 if (supportsRuntimePermissions) { 2053 // Installer cannot change immutable permissions. 2054 if ((flags & immutableFlags) == 0) { 2055 grantRuntimePermission(pkg.packageName, permission, userId); 2056 } 2057 } else if (mPermissionReviewRequired) { 2058 // In permission review mode we clear the review flag when we 2059 // are asked to install the app with all permissions granted. 2060 if ((flags & PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 2061 updatePermissionFlags(permission, pkg.packageName, 2062 PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED, 0, userId); 2063 } 2064 } 2065 } 2066 } 2067 } 2068 2069 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2070 Bundle extras = null; 2071 switch (res.returnCode) { 2072 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2073 extras = new Bundle(); 2074 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2075 res.origPermission); 2076 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2077 res.origPackage); 2078 break; 2079 } 2080 case PackageManager.INSTALL_SUCCEEDED: { 2081 extras = new Bundle(); 2082 extras.putBoolean(Intent.EXTRA_REPLACING, 2083 res.removedInfo != null && res.removedInfo.removedPackage != null); 2084 break; 2085 } 2086 } 2087 return extras; 2088 } 2089 2090 void scheduleWriteSettingsLocked() { 2091 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2092 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2093 } 2094 } 2095 2096 void scheduleWritePackageListLocked(int userId) { 2097 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2098 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2099 msg.arg1 = userId; 2100 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2101 } 2102 } 2103 2104 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2105 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2106 scheduleWritePackageRestrictionsLocked(userId); 2107 } 2108 2109 void scheduleWritePackageRestrictionsLocked(int userId) { 2110 final int[] userIds = (userId == UserHandle.USER_ALL) 2111 ? sUserManager.getUserIds() : new int[]{userId}; 2112 for (int nextUserId : userIds) { 2113 if (!sUserManager.exists(nextUserId)) return; 2114 mDirtyUsers.add(nextUserId); 2115 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2116 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2117 } 2118 } 2119 } 2120 2121 public static PackageManagerService main(Context context, Installer installer, 2122 boolean factoryTest, boolean onlyCore) { 2123 // Self-check for initial settings. 2124 PackageManagerServiceCompilerMapping.checkProperties(); 2125 2126 PackageManagerService m = new PackageManagerService(context, installer, 2127 factoryTest, onlyCore); 2128 m.enableSystemUserPackages(); 2129 ServiceManager.addService("package", m); 2130 return m; 2131 } 2132 2133 private void enableSystemUserPackages() { 2134 if (!UserManager.isSplitSystemUser()) { 2135 return; 2136 } 2137 // For system user, enable apps based on the following conditions: 2138 // - app is whitelisted or belong to one of these groups: 2139 // -- system app which has no launcher icons 2140 // -- system app which has INTERACT_ACROSS_USERS permission 2141 // -- system IME app 2142 // - app is not in the blacklist 2143 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2144 Set<String> enableApps = new ArraySet<>(); 2145 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2146 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2147 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2148 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2149 enableApps.addAll(wlApps); 2150 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2151 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2152 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2153 enableApps.removeAll(blApps); 2154 Log.i(TAG, "Applications installed for system user: " + enableApps); 2155 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2156 UserHandle.SYSTEM); 2157 final int allAppsSize = allAps.size(); 2158 synchronized (mPackages) { 2159 for (int i = 0; i < allAppsSize; i++) { 2160 String pName = allAps.get(i); 2161 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2162 // Should not happen, but we shouldn't be failing if it does 2163 if (pkgSetting == null) { 2164 continue; 2165 } 2166 boolean install = enableApps.contains(pName); 2167 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2168 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2169 + " for system user"); 2170 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2171 } 2172 } 2173 scheduleWritePackageRestrictionsLocked(UserHandle.USER_SYSTEM); 2174 } 2175 } 2176 2177 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2178 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2179 Context.DISPLAY_SERVICE); 2180 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2181 } 2182 2183 /** 2184 * Requests that files preopted on a secondary system partition be copied to the data partition 2185 * if possible. Note that the actual copying of the files is accomplished by init for security 2186 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2187 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2188 */ 2189 private static void requestCopyPreoptedFiles() { 2190 final int WAIT_TIME_MS = 100; 2191 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2192 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2193 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2194 // We will wait for up to 100 seconds. 2195 final long timeStart = SystemClock.uptimeMillis(); 2196 final long timeEnd = timeStart + 100 * 1000; 2197 long timeNow = timeStart; 2198 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2199 try { 2200 Thread.sleep(WAIT_TIME_MS); 2201 } catch (InterruptedException e) { 2202 // Do nothing 2203 } 2204 timeNow = SystemClock.uptimeMillis(); 2205 if (timeNow > timeEnd) { 2206 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2207 Slog.wtf(TAG, "cppreopt did not finish!"); 2208 break; 2209 } 2210 } 2211 2212 Slog.i(TAG, "cppreopts took " + (timeNow - timeStart) + " ms"); 2213 } 2214 } 2215 2216 public PackageManagerService(Context context, Installer installer, 2217 boolean factoryTest, boolean onlyCore) { 2218 LockGuard.installLock(mPackages, LockGuard.INDEX_PACKAGES); 2219 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2220 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2221 SystemClock.uptimeMillis()); 2222 2223 if (mSdkVersion <= 0) { 2224 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2225 } 2226 2227 mContext = context; 2228 2229 mPermissionReviewRequired = context.getResources().getBoolean( 2230 R.bool.config_permissionReviewRequired); 2231 2232 mFactoryTest = factoryTest; 2233 mOnlyCore = onlyCore; 2234 mMetrics = new DisplayMetrics(); 2235 mSettings = new Settings(mPackages); 2236 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2237 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2238 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2239 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2240 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2241 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2242 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2243 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2244 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2245 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2246 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2247 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2248 2249 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2250 if (separateProcesses != null && separateProcesses.length() > 0) { 2251 if ("*".equals(separateProcesses)) { 2252 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2253 mSeparateProcesses = null; 2254 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2255 } else { 2256 mDefParseFlags = 0; 2257 mSeparateProcesses = separateProcesses.split(","); 2258 Slog.w(TAG, "Running with debug.separate_processes: " 2259 + separateProcesses); 2260 } 2261 } else { 2262 mDefParseFlags = 0; 2263 mSeparateProcesses = null; 2264 } 2265 2266 mInstaller = installer; 2267 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2268 "*dexopt*"); 2269 mDexManager = new DexManager(this, mPackageDexOptimizer, installer, mInstallLock); 2270 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2271 2272 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2273 FgThread.get().getLooper()); 2274 2275 getDefaultDisplayMetrics(context, mMetrics); 2276 2277 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2278 SystemConfig systemConfig = SystemConfig.getInstance(); 2279 mGlobalGids = systemConfig.getGlobalGids(); 2280 mSystemPermissions = systemConfig.getSystemPermissions(); 2281 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2282 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2283 2284 mProtectedPackages = new ProtectedPackages(mContext); 2285 2286 synchronized (mInstallLock) { 2287 // writer 2288 synchronized (mPackages) { 2289 mHandlerThread = new ServiceThread(TAG, 2290 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2291 mHandlerThread.start(); 2292 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2293 mProcessLoggingHandler = new ProcessLoggingHandler(); 2294 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2295 2296 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2297 mInstantAppRegistry = new InstantAppRegistry(this); 2298 2299 File dataDir = Environment.getDataDirectory(); 2300 mAppInstallDir = new File(dataDir, "app"); 2301 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2302 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2303 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2304 sUserManager = new UserManagerService(context, this, 2305 new UserDataPreparer(mInstaller, mInstallLock, mContext, mOnlyCore), mPackages); 2306 2307 // Propagate permission configuration in to package manager. 2308 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2309 = systemConfig.getPermissions(); 2310 for (int i=0; i<permConfig.size(); i++) { 2311 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2312 BasePermission bp = mSettings.mPermissions.get(perm.name); 2313 if (bp == null) { 2314 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2315 mSettings.mPermissions.put(perm.name, bp); 2316 } 2317 if (perm.gids != null) { 2318 bp.setGids(perm.gids, perm.perUser); 2319 } 2320 } 2321 2322 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2323 final int builtInLibCount = libConfig.size(); 2324 for (int i = 0; i < builtInLibCount; i++) { 2325 String name = libConfig.keyAt(i); 2326 String path = libConfig.valueAt(i); 2327 addSharedLibraryLPw(path, null, name, SharedLibraryInfo.VERSION_UNDEFINED, 2328 SharedLibraryInfo.TYPE_BUILTIN, PLATFORM_PACKAGE_NAME, 0); 2329 } 2330 2331 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2332 2333 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2334 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2335 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2336 2337 // Clean up orphaned packages for which the code path doesn't exist 2338 // and they are an update to a system app - caused by bug/32321269 2339 final int packageSettingCount = mSettings.mPackages.size(); 2340 for (int i = packageSettingCount - 1; i >= 0; i--) { 2341 PackageSetting ps = mSettings.mPackages.valueAt(i); 2342 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2343 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2344 mSettings.mPackages.removeAt(i); 2345 mSettings.enableSystemPackageLPw(ps.name); 2346 } 2347 } 2348 2349 if (mFirstBoot) { 2350 requestCopyPreoptedFiles(); 2351 } 2352 2353 String customResolverActivity = Resources.getSystem().getString( 2354 R.string.config_customResolverActivity); 2355 if (TextUtils.isEmpty(customResolverActivity)) { 2356 customResolverActivity = null; 2357 } else { 2358 mCustomResolverComponentName = ComponentName.unflattenFromString( 2359 customResolverActivity); 2360 } 2361 2362 long startTime = SystemClock.uptimeMillis(); 2363 2364 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2365 startTime); 2366 2367 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2368 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2369 2370 if (bootClassPath == null) { 2371 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2372 } 2373 2374 if (systemServerClassPath == null) { 2375 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2376 } 2377 2378 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2379 final String[] dexCodeInstructionSets = 2380 getDexCodeInstructionSets( 2381 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2382 2383 /** 2384 * Ensure all external libraries have had dexopt run on them. 2385 */ 2386 if (mSharedLibraries.size() > 0) { 2387 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2388 // NOTE: For now, we're compiling these system "shared libraries" 2389 // (and framework jars) into all available architectures. It's possible 2390 // to compile them only when we come across an app that uses them (there's 2391 // already logic for that in scanPackageLI) but that adds some complexity. 2392 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2393 final int libCount = mSharedLibraries.size(); 2394 for (int i = 0; i < libCount; i++) { 2395 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 2396 final int versionCount = versionedLib.size(); 2397 for (int j = 0; j < versionCount; j++) { 2398 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 2399 final String libPath = libEntry.path != null 2400 ? libEntry.path : libEntry.apk; 2401 if (libPath == null) { 2402 continue; 2403 } 2404 try { 2405 // Shared libraries do not have profiles so we perform a full 2406 // AOT compilation (if needed). 2407 int dexoptNeeded = DexFile.getDexOptNeeded( 2408 libPath, dexCodeInstructionSet, 2409 getCompilerFilterForReason(REASON_SHARED_APK), 2410 false /* newProfile */); 2411 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2412 mInstaller.dexopt(libPath, Process.SYSTEM_UID, "*", 2413 dexCodeInstructionSet, dexoptNeeded, null, 2414 DEXOPT_PUBLIC, 2415 getCompilerFilterForReason(REASON_SHARED_APK), 2416 StorageManager.UUID_PRIVATE_INTERNAL, 2417 PackageDexOptimizer.SKIP_SHARED_LIBRARY_CHECK); 2418 } 2419 } catch (FileNotFoundException e) { 2420 Slog.w(TAG, "Library not found: " + libPath); 2421 } catch (IOException | InstallerException e) { 2422 Slog.w(TAG, "Cannot dexopt " + libPath + "; is it an APK or JAR? " 2423 + e.getMessage()); 2424 } 2425 } 2426 } 2427 } 2428 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2429 } 2430 2431 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2432 2433 final VersionInfo ver = mSettings.getInternalVersion(); 2434 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2435 2436 // when upgrading from pre-M, promote system app permissions from install to runtime 2437 mPromoteSystemApps = 2438 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2439 2440 // When upgrading from pre-N, we need to handle package extraction like first boot, 2441 // as there is no profiling data available. 2442 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2443 2444 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2445 2446 // save off the names of pre-existing system packages prior to scanning; we don't 2447 // want to automatically grant runtime permissions for new system apps 2448 if (mPromoteSystemApps) { 2449 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2450 while (pkgSettingIter.hasNext()) { 2451 PackageSetting ps = pkgSettingIter.next(); 2452 if (isSystemApp(ps)) { 2453 mExistingSystemPackages.add(ps.name); 2454 } 2455 } 2456 } 2457 2458 mCacheDir = preparePackageParserCache(mIsUpgrade); 2459 2460 // Set flag to monitor and not change apk file paths when 2461 // scanning install directories. 2462 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2463 2464 if (mIsUpgrade || mFirstBoot) { 2465 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2466 } 2467 2468 // Collect vendor overlay packages. (Do this before scanning any apps.) 2469 // For security and version matching reason, only consider 2470 // overlay packages if they reside in the right directory. 2471 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2472 | PackageParser.PARSE_IS_SYSTEM 2473 | PackageParser.PARSE_IS_SYSTEM_DIR 2474 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2475 2476 // Find base frameworks (resource packages without code). 2477 scanDirTracedLI(frameworkDir, mDefParseFlags 2478 | PackageParser.PARSE_IS_SYSTEM 2479 | PackageParser.PARSE_IS_SYSTEM_DIR 2480 | PackageParser.PARSE_IS_PRIVILEGED, 2481 scanFlags | SCAN_NO_DEX, 0); 2482 2483 // Collected privileged system packages. 2484 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2485 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2486 | PackageParser.PARSE_IS_SYSTEM 2487 | PackageParser.PARSE_IS_SYSTEM_DIR 2488 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2489 2490 // Collect ordinary system packages. 2491 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2492 scanDirTracedLI(systemAppDir, mDefParseFlags 2493 | PackageParser.PARSE_IS_SYSTEM 2494 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2495 2496 // Collect all vendor packages. 2497 File vendorAppDir = new File("/vendor/app"); 2498 try { 2499 vendorAppDir = vendorAppDir.getCanonicalFile(); 2500 } catch (IOException e) { 2501 // failed to look up canonical path, continue with original one 2502 } 2503 scanDirTracedLI(vendorAppDir, mDefParseFlags 2504 | PackageParser.PARSE_IS_SYSTEM 2505 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2506 2507 // Collect all OEM packages. 2508 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2509 scanDirTracedLI(oemAppDir, mDefParseFlags 2510 | PackageParser.PARSE_IS_SYSTEM 2511 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2512 2513 // Prune any system packages that no longer exist. 2514 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2515 if (!mOnlyCore) { 2516 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2517 while (psit.hasNext()) { 2518 PackageSetting ps = psit.next(); 2519 2520 /* 2521 * If this is not a system app, it can't be a 2522 * disable system app. 2523 */ 2524 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2525 continue; 2526 } 2527 2528 /* 2529 * If the package is scanned, it's not erased. 2530 */ 2531 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2532 if (scannedPkg != null) { 2533 /* 2534 * If the system app is both scanned and in the 2535 * disabled packages list, then it must have been 2536 * added via OTA. Remove it from the currently 2537 * scanned package so the previously user-installed 2538 * application can be scanned. 2539 */ 2540 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2541 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2542 + ps.name + "; removing system app. Last known codePath=" 2543 + ps.codePathString + ", installStatus=" + ps.installStatus 2544 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2545 + scannedPkg.mVersionCode); 2546 removePackageLI(scannedPkg, true); 2547 mExpectingBetter.put(ps.name, ps.codePath); 2548 } 2549 2550 continue; 2551 } 2552 2553 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2554 psit.remove(); 2555 logCriticalInfo(Log.WARN, "System package " + ps.name 2556 + " no longer exists; it's data will be wiped"); 2557 // Actual deletion of code and data will be handled by later 2558 // reconciliation step 2559 } else { 2560 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2561 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2562 possiblyDeletedUpdatedSystemApps.add(ps.name); 2563 } 2564 } 2565 } 2566 } 2567 2568 //look for any incomplete package installations 2569 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2570 for (int i = 0; i < deletePkgsList.size(); i++) { 2571 // Actual deletion of code and data will be handled by later 2572 // reconciliation step 2573 final String packageName = deletePkgsList.get(i).name; 2574 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2575 synchronized (mPackages) { 2576 mSettings.removePackageLPw(packageName); 2577 } 2578 } 2579 2580 //delete tmp files 2581 deleteTempPackageFiles(); 2582 2583 // Remove any shared userIDs that have no associated packages 2584 mSettings.pruneSharedUsersLPw(); 2585 2586 if (!mOnlyCore) { 2587 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2588 SystemClock.uptimeMillis()); 2589 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2590 2591 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2592 | PackageParser.PARSE_FORWARD_LOCK, 2593 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2594 2595 /** 2596 * Remove disable package settings for any updated system 2597 * apps that were removed via an OTA. If they're not a 2598 * previously-updated app, remove them completely. 2599 * Otherwise, just revoke their system-level permissions. 2600 */ 2601 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2602 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2603 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2604 2605 String msg; 2606 if (deletedPkg == null) { 2607 msg = "Updated system package " + deletedAppName 2608 + " no longer exists; it's data will be wiped"; 2609 // Actual deletion of code and data will be handled by later 2610 // reconciliation step 2611 } else { 2612 msg = "Updated system app + " + deletedAppName 2613 + " no longer present; removing system privileges for " 2614 + deletedAppName; 2615 2616 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2617 2618 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2619 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2620 } 2621 logCriticalInfo(Log.WARN, msg); 2622 } 2623 2624 /** 2625 * Make sure all system apps that we expected to appear on 2626 * the userdata partition actually showed up. If they never 2627 * appeared, crawl back and revive the system version. 2628 */ 2629 for (int i = 0; i < mExpectingBetter.size(); i++) { 2630 final String packageName = mExpectingBetter.keyAt(i); 2631 if (!mPackages.containsKey(packageName)) { 2632 final File scanFile = mExpectingBetter.valueAt(i); 2633 2634 logCriticalInfo(Log.WARN, "Expected better " + packageName 2635 + " but never showed up; reverting to system"); 2636 2637 int reparseFlags = mDefParseFlags; 2638 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2639 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2640 | PackageParser.PARSE_IS_SYSTEM_DIR 2641 | PackageParser.PARSE_IS_PRIVILEGED; 2642 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2643 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2644 | PackageParser.PARSE_IS_SYSTEM_DIR; 2645 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2646 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2647 | PackageParser.PARSE_IS_SYSTEM_DIR; 2648 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2649 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2650 | PackageParser.PARSE_IS_SYSTEM_DIR; 2651 } else { 2652 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2653 continue; 2654 } 2655 2656 mSettings.enableSystemPackageLPw(packageName); 2657 2658 try { 2659 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2660 } catch (PackageManagerException e) { 2661 Slog.e(TAG, "Failed to parse original system package: " 2662 + e.getMessage()); 2663 } 2664 } 2665 } 2666 } 2667 mExpectingBetter.clear(); 2668 2669 // Resolve the storage manager. 2670 mStorageManagerPackage = getStorageManagerPackageName(); 2671 2672 // Resolve protected action filters. Only the setup wizard is allowed to 2673 // have a high priority filter for these actions. 2674 mSetupWizardPackage = getSetupWizardPackageName(); 2675 if (mProtectedFilters.size() > 0) { 2676 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2677 Slog.i(TAG, "No setup wizard;" 2678 + " All protected intents capped to priority 0"); 2679 } 2680 for (ActivityIntentInfo filter : mProtectedFilters) { 2681 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2682 if (DEBUG_FILTERS) { 2683 Slog.i(TAG, "Found setup wizard;" 2684 + " allow priority " + filter.getPriority() + ";" 2685 + " package: " + filter.activity.info.packageName 2686 + " activity: " + filter.activity.className 2687 + " priority: " + filter.getPriority()); 2688 } 2689 // skip setup wizard; allow it to keep the high priority filter 2690 continue; 2691 } 2692 Slog.w(TAG, "Protected action; cap priority to 0;" 2693 + " package: " + filter.activity.info.packageName 2694 + " activity: " + filter.activity.className 2695 + " origPrio: " + filter.getPriority()); 2696 filter.setPriority(0); 2697 } 2698 } 2699 mDeferProtectedFilters = false; 2700 mProtectedFilters.clear(); 2701 2702 // Now that we know all of the shared libraries, update all clients to have 2703 // the correct library paths. 2704 updateAllSharedLibrariesLPw(null); 2705 2706 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2707 // NOTE: We ignore potential failures here during a system scan (like 2708 // the rest of the commands above) because there's precious little we 2709 // can do about it. A settings error is reported, though. 2710 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2711 } 2712 2713 // Now that we know all the packages we are keeping, 2714 // read and update their last usage times. 2715 mPackageUsage.read(mPackages); 2716 mCompilerStats.read(); 2717 2718 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2719 SystemClock.uptimeMillis()); 2720 Slog.i(TAG, "Time to scan packages: " 2721 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2722 + " seconds"); 2723 2724 // If the platform SDK has changed since the last time we booted, 2725 // we need to re-grant app permission to catch any new ones that 2726 // appear. This is really a hack, and means that apps can in some 2727 // cases get permissions that the user didn't initially explicitly 2728 // allow... it would be nice to have some better way to handle 2729 // this situation. 2730 int updateFlags = UPDATE_PERMISSIONS_ALL; 2731 if (ver.sdkVersion != mSdkVersion) { 2732 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2733 + mSdkVersion + "; regranting permissions for internal storage"); 2734 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2735 } 2736 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2737 ver.sdkVersion = mSdkVersion; 2738 2739 // If this is the first boot or an update from pre-M, and it is a normal 2740 // boot, then we need to initialize the default preferred apps across 2741 // all defined users. 2742 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2743 for (UserInfo user : sUserManager.getUsers(true)) { 2744 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2745 applyFactoryDefaultBrowserLPw(user.id); 2746 primeDomainVerificationsLPw(user.id); 2747 } 2748 } 2749 2750 // Prepare storage for system user really early during boot, 2751 // since core system apps like SettingsProvider and SystemUI 2752 // can't wait for user to start 2753 final int storageFlags; 2754 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2755 storageFlags = StorageManager.FLAG_STORAGE_DE; 2756 } else { 2757 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2758 } 2759 List<String> deferPackages = reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, 2760 UserHandle.USER_SYSTEM, storageFlags, true /* migrateAppData */, 2761 true /* onlyCoreApps */); 2762 mPrepareAppDataFuture = SystemServerInitThreadPool.get().submit(() -> { 2763 if (deferPackages == null || deferPackages.isEmpty()) { 2764 return; 2765 } 2766 int count = 0; 2767 for (String pkgName : deferPackages) { 2768 PackageParser.Package pkg = null; 2769 synchronized (mPackages) { 2770 PackageSetting ps = mSettings.getPackageLPr(pkgName); 2771 if (ps != null && ps.getInstalled(UserHandle.USER_SYSTEM)) { 2772 pkg = ps.pkg; 2773 } 2774 } 2775 if (pkg != null) { 2776 synchronized (mInstallLock) { 2777 prepareAppDataAndMigrateLIF(pkg, UserHandle.USER_SYSTEM, storageFlags, 2778 true /* maybeMigrateAppData */); 2779 } 2780 count++; 2781 } 2782 } 2783 Slog.i(TAG, "Deferred reconcileAppsData finished " + count + " packages"); 2784 }, "prepareAppData"); 2785 2786 // If this is first boot after an OTA, and a normal boot, then 2787 // we need to clear code cache directories. 2788 // Note that we do *not* clear the application profiles. These remain valid 2789 // across OTAs and are used to drive profile verification (post OTA) and 2790 // profile compilation (without waiting to collect a fresh set of profiles). 2791 if (mIsUpgrade && !onlyCore) { 2792 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2793 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2794 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2795 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2796 // No apps are running this early, so no need to freeze 2797 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2798 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2799 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2800 } 2801 } 2802 ver.fingerprint = Build.FINGERPRINT; 2803 } 2804 2805 checkDefaultBrowser(); 2806 2807 // clear only after permissions and other defaults have been updated 2808 mExistingSystemPackages.clear(); 2809 mPromoteSystemApps = false; 2810 2811 // All the changes are done during package scanning. 2812 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2813 2814 // can downgrade to reader 2815 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2816 mSettings.writeLPr(); 2817 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2818 2819 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2820 SystemClock.uptimeMillis()); 2821 2822 if (!mOnlyCore) { 2823 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2824 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2825 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2826 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2827 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2828 mIntentFilterVerifierComponent); 2829 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2830 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES, 2831 SharedLibraryInfo.VERSION_UNDEFINED); 2832 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2833 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED, 2834 SharedLibraryInfo.VERSION_UNDEFINED); 2835 } else { 2836 mRequiredVerifierPackage = null; 2837 mRequiredInstallerPackage = null; 2838 mRequiredUninstallerPackage = null; 2839 mIntentFilterVerifierComponent = null; 2840 mIntentFilterVerifier = null; 2841 mServicesSystemSharedLibraryPackageName = null; 2842 mSharedSystemSharedLibraryPackageName = null; 2843 } 2844 2845 mInstallerService = new PackageInstallerService(context, this); 2846 2847 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2848 if (ephemeralResolverComponent != null) { 2849 if (DEBUG_EPHEMERAL) { 2850 Slog.i(TAG, "Ephemeral resolver: " + ephemeralResolverComponent); 2851 } 2852 mInstantAppResolverConnection = 2853 new EphemeralResolverConnection(mContext, ephemeralResolverComponent); 2854 } else { 2855 mInstantAppResolverConnection = null; 2856 } 2857 mInstantAppInstallerComponent = getEphemeralInstallerLPr(); 2858 if (mInstantAppInstallerComponent != null) { 2859 if (DEBUG_EPHEMERAL) { 2860 Slog.i(TAG, "Ephemeral installer: " + mInstantAppInstallerComponent); 2861 } 2862 setUpInstantAppInstallerActivityLP(mInstantAppInstallerComponent); 2863 } 2864 2865 // Read and update the usage of dex files. 2866 // Do this at the end of PM init so that all the packages have their 2867 // data directory reconciled. 2868 // At this point we know the code paths of the packages, so we can validate 2869 // the disk file and build the internal cache. 2870 // The usage file is expected to be small so loading and verifying it 2871 // should take a fairly small time compare to the other activities (e.g. package 2872 // scanning). 2873 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 2874 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 2875 for (int userId : currentUserIds) { 2876 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 2877 } 2878 mDexManager.load(userPackages); 2879 } // synchronized (mPackages) 2880 } // synchronized (mInstallLock) 2881 2882 // Now after opening every single application zip, make sure they 2883 // are all flushed. Not really needed, but keeps things nice and 2884 // tidy. 2885 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2886 Runtime.getRuntime().gc(); 2887 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2888 2889 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 2890 FallbackCategoryProvider.loadFallbacks(); 2891 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2892 2893 // The initial scanning above does many calls into installd while 2894 // holding the mPackages lock, but we're mostly interested in yelling 2895 // once we have a booted system. 2896 mInstaller.setWarnIfHeld(mPackages); 2897 2898 // Expose private service for system components to use. 2899 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2900 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2901 } 2902 2903 private static File preparePackageParserCache(boolean isUpgrade) { 2904 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 2905 return null; 2906 } 2907 2908 // Disable package parsing on eng builds to allow for faster incremental development. 2909 if ("eng".equals(Build.TYPE)) { 2910 return null; 2911 } 2912 2913 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 2914 Slog.i(TAG, "Disabling package parser cache due to system property."); 2915 return null; 2916 } 2917 2918 // The base directory for the package parser cache lives under /data/system/. 2919 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 2920 "package_cache"); 2921 if (cacheBaseDir == null) { 2922 return null; 2923 } 2924 2925 // If this is a system upgrade scenario, delete the contents of the package cache dir. 2926 // This also serves to "GC" unused entries when the package cache version changes (which 2927 // can only happen during upgrades). 2928 if (isUpgrade) { 2929 FileUtils.deleteContents(cacheBaseDir); 2930 } 2931 2932 2933 // Return the versioned package cache directory. This is something like 2934 // "/data/system/package_cache/1" 2935 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2936 2937 // The following is a workaround to aid development on non-numbered userdebug 2938 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 2939 // the system partition is newer. 2940 // 2941 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 2942 // that starts with "eng." to signify that this is an engineering build and not 2943 // destined for release. 2944 if ("userdebug".equals(Build.TYPE) && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 2945 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 2946 2947 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 2948 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 2949 // in general and should not be used for production changes. In this specific case, 2950 // we know that they will work. 2951 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2952 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 2953 FileUtils.deleteContents(cacheBaseDir); 2954 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2955 } 2956 } 2957 2958 return cacheDir; 2959 } 2960 2961 @Override 2962 public boolean isFirstBoot() { 2963 return mFirstBoot; 2964 } 2965 2966 @Override 2967 public boolean isOnlyCoreApps() { 2968 return mOnlyCore; 2969 } 2970 2971 @Override 2972 public boolean isUpgrade() { 2973 return mIsUpgrade; 2974 } 2975 2976 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2977 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2978 2979 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2980 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2981 UserHandle.USER_SYSTEM); 2982 if (matches.size() == 1) { 2983 return matches.get(0).getComponentInfo().packageName; 2984 } else if (matches.size() == 0) { 2985 Log.e(TAG, "There should probably be a verifier, but, none were found"); 2986 return null; 2987 } 2988 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2989 } 2990 2991 private @NonNull String getRequiredSharedLibraryLPr(String name, int version) { 2992 synchronized (mPackages) { 2993 SharedLibraryEntry libraryEntry = getSharedLibraryEntryLPr(name, version); 2994 if (libraryEntry == null) { 2995 throw new IllegalStateException("Missing required shared library:" + name); 2996 } 2997 return libraryEntry.apk; 2998 } 2999 } 3000 3001 private @NonNull String getRequiredInstallerLPr() { 3002 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 3003 intent.addCategory(Intent.CATEGORY_DEFAULT); 3004 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3005 3006 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3007 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3008 UserHandle.USER_SYSTEM); 3009 if (matches.size() == 1) { 3010 ResolveInfo resolveInfo = matches.get(0); 3011 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 3012 throw new RuntimeException("The installer must be a privileged app"); 3013 } 3014 return matches.get(0).getComponentInfo().packageName; 3015 } else { 3016 throw new RuntimeException("There must be exactly one installer; found " + matches); 3017 } 3018 } 3019 3020 private @NonNull String getRequiredUninstallerLPr() { 3021 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 3022 intent.addCategory(Intent.CATEGORY_DEFAULT); 3023 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 3024 3025 final ResolveInfo resolveInfo = resolveIntent(intent, null, 3026 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3027 UserHandle.USER_SYSTEM); 3028 if (resolveInfo == null || 3029 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 3030 throw new RuntimeException("There must be exactly one uninstaller; found " 3031 + resolveInfo); 3032 } 3033 return resolveInfo.getComponentInfo().packageName; 3034 } 3035 3036 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 3037 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 3038 3039 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3040 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3041 UserHandle.USER_SYSTEM); 3042 ResolveInfo best = null; 3043 final int N = matches.size(); 3044 for (int i = 0; i < N; i++) { 3045 final ResolveInfo cur = matches.get(i); 3046 final String packageName = cur.getComponentInfo().packageName; 3047 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 3048 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 3049 continue; 3050 } 3051 3052 if (best == null || cur.priority > best.priority) { 3053 best = cur; 3054 } 3055 } 3056 3057 if (best != null) { 3058 return best.getComponentInfo().getComponentName(); 3059 } else { 3060 throw new RuntimeException("There must be at least one intent filter verifier"); 3061 } 3062 } 3063 3064 private @Nullable ComponentName getEphemeralResolverLPr() { 3065 final String[] packageArray = 3066 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3067 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3068 if (DEBUG_EPHEMERAL) { 3069 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3070 } 3071 return null; 3072 } 3073 3074 final int resolveFlags = 3075 MATCH_DIRECT_BOOT_AWARE 3076 | MATCH_DIRECT_BOOT_UNAWARE 3077 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3078 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 3079 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3080 resolveFlags, UserHandle.USER_SYSTEM); 3081 3082 final int N = resolvers.size(); 3083 if (N == 0) { 3084 if (DEBUG_EPHEMERAL) { 3085 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3086 } 3087 return null; 3088 } 3089 3090 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3091 for (int i = 0; i < N; i++) { 3092 final ResolveInfo info = resolvers.get(i); 3093 3094 if (info.serviceInfo == null) { 3095 continue; 3096 } 3097 3098 final String packageName = info.serviceInfo.packageName; 3099 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3100 if (DEBUG_EPHEMERAL) { 3101 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3102 + " pkg: " + packageName + ", info:" + info); 3103 } 3104 continue; 3105 } 3106 3107 if (DEBUG_EPHEMERAL) { 3108 Slog.v(TAG, "Ephemeral resolver found;" 3109 + " pkg: " + packageName + ", info:" + info); 3110 } 3111 return new ComponentName(packageName, info.serviceInfo.name); 3112 } 3113 if (DEBUG_EPHEMERAL) { 3114 Slog.v(TAG, "Ephemeral resolver NOT found"); 3115 } 3116 return null; 3117 } 3118 3119 private @Nullable ComponentName getEphemeralInstallerLPr() { 3120 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3121 intent.addCategory(Intent.CATEGORY_DEFAULT); 3122 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3123 3124 final int resolveFlags = 3125 MATCH_DIRECT_BOOT_AWARE 3126 | MATCH_DIRECT_BOOT_UNAWARE 3127 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3128 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3129 resolveFlags, UserHandle.USER_SYSTEM); 3130 Iterator<ResolveInfo> iter = matches.iterator(); 3131 while (iter.hasNext()) { 3132 final ResolveInfo rInfo = iter.next(); 3133 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3134 if (ps != null) { 3135 final PermissionsState permissionsState = ps.getPermissionsState(); 3136 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3137 continue; 3138 } 3139 } 3140 iter.remove(); 3141 } 3142 if (matches.size() == 0) { 3143 return null; 3144 } else if (matches.size() == 1) { 3145 return matches.get(0).getComponentInfo().getComponentName(); 3146 } else { 3147 throw new RuntimeException( 3148 "There must be at most one ephemeral installer; found " + matches); 3149 } 3150 } 3151 3152 private void primeDomainVerificationsLPw(int userId) { 3153 if (DEBUG_DOMAIN_VERIFICATION) { 3154 Slog.d(TAG, "Priming domain verifications in user " + userId); 3155 } 3156 3157 SystemConfig systemConfig = SystemConfig.getInstance(); 3158 ArraySet<String> packages = systemConfig.getLinkedApps(); 3159 3160 for (String packageName : packages) { 3161 PackageParser.Package pkg = mPackages.get(packageName); 3162 if (pkg != null) { 3163 if (!pkg.isSystemApp()) { 3164 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3165 continue; 3166 } 3167 3168 ArraySet<String> domains = null; 3169 for (PackageParser.Activity a : pkg.activities) { 3170 for (ActivityIntentInfo filter : a.intents) { 3171 if (hasValidDomains(filter)) { 3172 if (domains == null) { 3173 domains = new ArraySet<String>(); 3174 } 3175 domains.addAll(filter.getHostsList()); 3176 } 3177 } 3178 } 3179 3180 if (domains != null && domains.size() > 0) { 3181 if (DEBUG_DOMAIN_VERIFICATION) { 3182 Slog.v(TAG, " + " + packageName); 3183 } 3184 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3185 // state w.r.t. the formal app-linkage "no verification attempted" state; 3186 // and then 'always' in the per-user state actually used for intent resolution. 3187 final IntentFilterVerificationInfo ivi; 3188 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3189 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3190 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3191 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3192 } else { 3193 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3194 + "' does not handle web links"); 3195 } 3196 } else { 3197 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3198 } 3199 } 3200 3201 scheduleWritePackageRestrictionsLocked(userId); 3202 scheduleWriteSettingsLocked(); 3203 } 3204 3205 private void applyFactoryDefaultBrowserLPw(int userId) { 3206 // The default browser app's package name is stored in a string resource, 3207 // with a product-specific overlay used for vendor customization. 3208 String browserPkg = mContext.getResources().getString( 3209 com.android.internal.R.string.default_browser); 3210 if (!TextUtils.isEmpty(browserPkg)) { 3211 // non-empty string => required to be a known package 3212 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3213 if (ps == null) { 3214 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3215 browserPkg = null; 3216 } else { 3217 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3218 } 3219 } 3220 3221 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3222 // default. If there's more than one, just leave everything alone. 3223 if (browserPkg == null) { 3224 calculateDefaultBrowserLPw(userId); 3225 } 3226 } 3227 3228 private void calculateDefaultBrowserLPw(int userId) { 3229 List<String> allBrowsers = resolveAllBrowserApps(userId); 3230 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3231 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3232 } 3233 3234 private List<String> resolveAllBrowserApps(int userId) { 3235 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3236 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3237 PackageManager.MATCH_ALL, userId); 3238 3239 final int count = list.size(); 3240 List<String> result = new ArrayList<String>(count); 3241 for (int i=0; i<count; i++) { 3242 ResolveInfo info = list.get(i); 3243 if (info.activityInfo == null 3244 || !info.handleAllWebDataURI 3245 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3246 || result.contains(info.activityInfo.packageName)) { 3247 continue; 3248 } 3249 result.add(info.activityInfo.packageName); 3250 } 3251 3252 return result; 3253 } 3254 3255 private boolean packageIsBrowser(String packageName, int userId) { 3256 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3257 PackageManager.MATCH_ALL, userId); 3258 final int N = list.size(); 3259 for (int i = 0; i < N; i++) { 3260 ResolveInfo info = list.get(i); 3261 if (packageName.equals(info.activityInfo.packageName)) { 3262 return true; 3263 } 3264 } 3265 return false; 3266 } 3267 3268 private void checkDefaultBrowser() { 3269 final int myUserId = UserHandle.myUserId(); 3270 final String packageName = getDefaultBrowserPackageName(myUserId); 3271 if (packageName != null) { 3272 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3273 if (info == null) { 3274 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3275 synchronized (mPackages) { 3276 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3277 } 3278 } 3279 } 3280 } 3281 3282 @Override 3283 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3284 throws RemoteException { 3285 try { 3286 return super.onTransact(code, data, reply, flags); 3287 } catch (RuntimeException e) { 3288 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3289 Slog.wtf(TAG, "Package Manager Crash", e); 3290 } 3291 throw e; 3292 } 3293 } 3294 3295 static int[] appendInts(int[] cur, int[] add) { 3296 if (add == null) return cur; 3297 if (cur == null) return add; 3298 final int N = add.length; 3299 for (int i=0; i<N; i++) { 3300 cur = appendInt(cur, add[i]); 3301 } 3302 return cur; 3303 } 3304 3305 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3306 if (!sUserManager.exists(userId)) return null; 3307 if (ps == null) { 3308 return null; 3309 } 3310 final PackageParser.Package p = ps.pkg; 3311 if (p == null) { 3312 return null; 3313 } 3314 // Filter out ephemeral app metadata: 3315 // * The system/shell/root can see metadata for any app 3316 // * An installed app can see metadata for 1) other installed apps 3317 // and 2) ephemeral apps that have explicitly interacted with it 3318 // * Ephemeral apps can only see their own data and exposed installed apps 3319 // * Holding a signature permission allows seeing instant apps 3320 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 3321 if (callingAppId != Process.SYSTEM_UID 3322 && callingAppId != Process.SHELL_UID 3323 && callingAppId != Process.ROOT_UID 3324 && checkUidPermission(Manifest.permission.ACCESS_INSTANT_APPS, 3325 Binder.getCallingUid()) != PackageManager.PERMISSION_GRANTED) { 3326 final String instantAppPackageName = getInstantAppPackageName(Binder.getCallingUid()); 3327 if (instantAppPackageName != null) { 3328 // ephemeral apps can only get information on themselves or 3329 // installed apps that are exposed. 3330 if (!instantAppPackageName.equals(p.packageName) 3331 && (ps.getInstantApp(userId) || !p.visibleToInstantApps)) { 3332 return null; 3333 } 3334 } else { 3335 if (ps.getInstantApp(userId)) { 3336 // only get access to the ephemeral app if we've been granted access 3337 if (!mInstantAppRegistry.isInstantAccessGranted( 3338 userId, callingAppId, ps.appId)) { 3339 return null; 3340 } 3341 } 3342 } 3343 } 3344 3345 final PermissionsState permissionsState = ps.getPermissionsState(); 3346 3347 // Compute GIDs only if requested 3348 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3349 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3350 // Compute granted permissions only if package has requested permissions 3351 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3352 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3353 final PackageUserState state = ps.readUserState(userId); 3354 3355 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3356 && ps.isSystem()) { 3357 flags |= MATCH_ANY_USER; 3358 } 3359 3360 PackageInfo packageInfo = PackageParser.generatePackageInfo(p, gids, flags, 3361 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3362 3363 if (packageInfo == null) { 3364 return null; 3365 } 3366 3367 rebaseEnabledOverlays(packageInfo.applicationInfo, userId); 3368 3369 packageInfo.packageName = packageInfo.applicationInfo.packageName = 3370 resolveExternalPackageNameLPr(p); 3371 3372 return packageInfo; 3373 } 3374 3375 @Override 3376 public void checkPackageStartable(String packageName, int userId) { 3377 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3378 3379 synchronized (mPackages) { 3380 final PackageSetting ps = mSettings.mPackages.get(packageName); 3381 if (ps == null) { 3382 throw new SecurityException("Package " + packageName + " was not found!"); 3383 } 3384 3385 if (!ps.getInstalled(userId)) { 3386 throw new SecurityException( 3387 "Package " + packageName + " was not installed for user " + userId + "!"); 3388 } 3389 3390 if (mSafeMode && !ps.isSystem()) { 3391 throw new SecurityException("Package " + packageName + " not a system app!"); 3392 } 3393 3394 if (mFrozenPackages.contains(packageName)) { 3395 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3396 } 3397 3398 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3399 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3400 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3401 } 3402 } 3403 } 3404 3405 @Override 3406 public boolean isPackageAvailable(String packageName, int userId) { 3407 if (!sUserManager.exists(userId)) return false; 3408 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3409 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3410 synchronized (mPackages) { 3411 PackageParser.Package p = mPackages.get(packageName); 3412 if (p != null) { 3413 final PackageSetting ps = (PackageSetting) p.mExtras; 3414 if (ps != null) { 3415 final PackageUserState state = ps.readUserState(userId); 3416 if (state != null) { 3417 return PackageParser.isAvailable(state); 3418 } 3419 } 3420 } 3421 } 3422 return false; 3423 } 3424 3425 @Override 3426 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3427 return getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 3428 flags, userId); 3429 } 3430 3431 @Override 3432 public PackageInfo getPackageInfoVersioned(VersionedPackage versionedPackage, 3433 int flags, int userId) { 3434 return getPackageInfoInternal(versionedPackage.getPackageName(), 3435 // TODO: We will change version code to long, so in the new API it is long 3436 (int) versionedPackage.getVersionCode(), flags, userId); 3437 } 3438 3439 private PackageInfo getPackageInfoInternal(String packageName, int versionCode, 3440 int flags, int userId) { 3441 if (!sUserManager.exists(userId)) return null; 3442 flags = updateFlagsForPackage(flags, userId, packageName); 3443 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3444 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3445 3446 // reader 3447 synchronized (mPackages) { 3448 // Normalize package name to handle renamed packages and static libs 3449 packageName = resolveInternalPackageNameLPr(packageName, versionCode); 3450 3451 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3452 if (matchFactoryOnly) { 3453 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3454 if (ps != null) { 3455 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3456 return null; 3457 } 3458 return generatePackageInfo(ps, flags, userId); 3459 } 3460 } 3461 3462 PackageParser.Package p = mPackages.get(packageName); 3463 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3464 return null; 3465 } 3466 if (DEBUG_PACKAGE_INFO) 3467 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3468 if (p != null) { 3469 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 3470 Binder.getCallingUid(), userId)) { 3471 return null; 3472 } 3473 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3474 } 3475 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3476 final PackageSetting ps = mSettings.mPackages.get(packageName); 3477 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3478 return null; 3479 } 3480 return generatePackageInfo(ps, flags, userId); 3481 } 3482 } 3483 return null; 3484 } 3485 3486 3487 private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId) { 3488 // System/shell/root get to see all static libs 3489 final int appId = UserHandle.getAppId(uid); 3490 if (appId == Process.SYSTEM_UID || appId == Process.SHELL_UID 3491 || appId == Process.ROOT_UID) { 3492 return false; 3493 } 3494 3495 // No package means no static lib as it is always on internal storage 3496 if (ps == null || ps.pkg == null || !ps.pkg.applicationInfo.isStaticSharedLibrary()) { 3497 return false; 3498 } 3499 3500 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(ps.pkg.staticSharedLibName, 3501 ps.pkg.staticSharedLibVersion); 3502 if (libEntry == null) { 3503 return false; 3504 } 3505 3506 final int resolvedUid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); 3507 final String[] uidPackageNames = getPackagesForUid(resolvedUid); 3508 if (uidPackageNames == null) { 3509 return true; 3510 } 3511 3512 for (String uidPackageName : uidPackageNames) { 3513 if (ps.name.equals(uidPackageName)) { 3514 return false; 3515 } 3516 PackageSetting uidPs = mSettings.getPackageLPr(uidPackageName); 3517 if (uidPs != null) { 3518 final int index = ArrayUtils.indexOf(uidPs.usesStaticLibraries, 3519 libEntry.info.getName()); 3520 if (index < 0) { 3521 continue; 3522 } 3523 if (uidPs.pkg.usesStaticLibrariesVersions[index] == libEntry.info.getVersion()) { 3524 return false; 3525 } 3526 } 3527 } 3528 return true; 3529 } 3530 3531 @Override 3532 public String[] currentToCanonicalPackageNames(String[] names) { 3533 String[] out = new String[names.length]; 3534 // reader 3535 synchronized (mPackages) { 3536 for (int i=names.length-1; i>=0; i--) { 3537 PackageSetting ps = mSettings.mPackages.get(names[i]); 3538 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3539 } 3540 } 3541 return out; 3542 } 3543 3544 @Override 3545 public String[] canonicalToCurrentPackageNames(String[] names) { 3546 String[] out = new String[names.length]; 3547 // reader 3548 synchronized (mPackages) { 3549 for (int i=names.length-1; i>=0; i--) { 3550 String cur = mSettings.getRenamedPackageLPr(names[i]); 3551 out[i] = cur != null ? cur : names[i]; 3552 } 3553 } 3554 return out; 3555 } 3556 3557 @Override 3558 public int getPackageUid(String packageName, int flags, int userId) { 3559 if (!sUserManager.exists(userId)) return -1; 3560 flags = updateFlagsForPackage(flags, userId, packageName); 3561 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3562 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3563 3564 // reader 3565 synchronized (mPackages) { 3566 final PackageParser.Package p = mPackages.get(packageName); 3567 if (p != null && p.isMatch(flags)) { 3568 return UserHandle.getUid(userId, p.applicationInfo.uid); 3569 } 3570 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3571 final PackageSetting ps = mSettings.mPackages.get(packageName); 3572 if (ps != null && ps.isMatch(flags)) { 3573 return UserHandle.getUid(userId, ps.appId); 3574 } 3575 } 3576 } 3577 3578 return -1; 3579 } 3580 3581 @Override 3582 public int[] getPackageGids(String packageName, int flags, int userId) { 3583 if (!sUserManager.exists(userId)) return null; 3584 flags = updateFlagsForPackage(flags, userId, packageName); 3585 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3586 false /* requireFullPermission */, false /* checkShell */, 3587 "getPackageGids"); 3588 3589 // reader 3590 synchronized (mPackages) { 3591 final PackageParser.Package p = mPackages.get(packageName); 3592 if (p != null && p.isMatch(flags)) { 3593 PackageSetting ps = (PackageSetting) p.mExtras; 3594 // TODO: Shouldn't this be checking for package installed state for userId and 3595 // return null? 3596 return ps.getPermissionsState().computeGids(userId); 3597 } 3598 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3599 final PackageSetting ps = mSettings.mPackages.get(packageName); 3600 if (ps != null && ps.isMatch(flags)) { 3601 return ps.getPermissionsState().computeGids(userId); 3602 } 3603 } 3604 } 3605 3606 return null; 3607 } 3608 3609 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3610 if (bp.perm != null) { 3611 return PackageParser.generatePermissionInfo(bp.perm, flags); 3612 } 3613 PermissionInfo pi = new PermissionInfo(); 3614 pi.name = bp.name; 3615 pi.packageName = bp.sourcePackage; 3616 pi.nonLocalizedLabel = bp.name; 3617 pi.protectionLevel = bp.protectionLevel; 3618 return pi; 3619 } 3620 3621 @Override 3622 public PermissionInfo getPermissionInfo(String name, int flags) { 3623 // reader 3624 synchronized (mPackages) { 3625 final BasePermission p = mSettings.mPermissions.get(name); 3626 if (p != null) { 3627 return generatePermissionInfo(p, flags); 3628 } 3629 return null; 3630 } 3631 } 3632 3633 @Override 3634 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3635 int flags) { 3636 // reader 3637 synchronized (mPackages) { 3638 if (group != null && !mPermissionGroups.containsKey(group)) { 3639 // This is thrown as NameNotFoundException 3640 return null; 3641 } 3642 3643 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3644 for (BasePermission p : mSettings.mPermissions.values()) { 3645 if (group == null) { 3646 if (p.perm == null || p.perm.info.group == null) { 3647 out.add(generatePermissionInfo(p, flags)); 3648 } 3649 } else { 3650 if (p.perm != null && group.equals(p.perm.info.group)) { 3651 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3652 } 3653 } 3654 } 3655 return new ParceledListSlice<>(out); 3656 } 3657 } 3658 3659 @Override 3660 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3661 // reader 3662 synchronized (mPackages) { 3663 return PackageParser.generatePermissionGroupInfo( 3664 mPermissionGroups.get(name), flags); 3665 } 3666 } 3667 3668 @Override 3669 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3670 // reader 3671 synchronized (mPackages) { 3672 final int N = mPermissionGroups.size(); 3673 ArrayList<PermissionGroupInfo> out 3674 = new ArrayList<PermissionGroupInfo>(N); 3675 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3676 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3677 } 3678 return new ParceledListSlice<>(out); 3679 } 3680 } 3681 3682 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3683 int uid, int userId) { 3684 if (!sUserManager.exists(userId)) return null; 3685 PackageSetting ps = mSettings.mPackages.get(packageName); 3686 if (ps != null) { 3687 if (filterSharedLibPackageLPr(ps, uid, userId)) { 3688 return null; 3689 } 3690 if (ps.pkg == null) { 3691 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3692 if (pInfo != null) { 3693 return pInfo.applicationInfo; 3694 } 3695 return null; 3696 } 3697 ApplicationInfo ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3698 ps.readUserState(userId), userId); 3699 if (ai != null) { 3700 rebaseEnabledOverlays(ai, userId); 3701 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 3702 } 3703 return ai; 3704 } 3705 return null; 3706 } 3707 3708 @Override 3709 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3710 if (!sUserManager.exists(userId)) return null; 3711 flags = updateFlagsForApplication(flags, userId, packageName); 3712 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3713 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3714 3715 // writer 3716 synchronized (mPackages) { 3717 // Normalize package name to handle renamed packages and static libs 3718 packageName = resolveInternalPackageNameLPr(packageName, 3719 PackageManager.VERSION_CODE_HIGHEST); 3720 3721 PackageParser.Package p = mPackages.get(packageName); 3722 if (DEBUG_PACKAGE_INFO) Log.v( 3723 TAG, "getApplicationInfo " + packageName 3724 + ": " + p); 3725 if (p != null) { 3726 PackageSetting ps = mSettings.mPackages.get(packageName); 3727 if (ps == null) return null; 3728 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3729 return null; 3730 } 3731 // Note: isEnabledLP() does not apply here - always return info 3732 ApplicationInfo ai = PackageParser.generateApplicationInfo( 3733 p, flags, ps.readUserState(userId), userId); 3734 if (ai != null) { 3735 rebaseEnabledOverlays(ai, userId); 3736 ai.packageName = resolveExternalPackageNameLPr(p); 3737 } 3738 return ai; 3739 } 3740 if ("android".equals(packageName)||"system".equals(packageName)) { 3741 return mAndroidApplication; 3742 } 3743 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3744 // Already generates the external package name 3745 return generateApplicationInfoFromSettingsLPw(packageName, 3746 Binder.getCallingUid(), flags, userId); 3747 } 3748 } 3749 return null; 3750 } 3751 3752 private void rebaseEnabledOverlays(@NonNull ApplicationInfo ai, int userId) { 3753 List<String> paths = new ArrayList<>(); 3754 ArrayMap<String, ArrayList<String>> userSpecificOverlays = 3755 mEnabledOverlayPaths.get(userId); 3756 if (userSpecificOverlays != null) { 3757 if (!"android".equals(ai.packageName)) { 3758 ArrayList<String> frameworkOverlays = userSpecificOverlays.get("android"); 3759 if (frameworkOverlays != null) { 3760 paths.addAll(frameworkOverlays); 3761 } 3762 } 3763 3764 ArrayList<String> appOverlays = userSpecificOverlays.get(ai.packageName); 3765 if (appOverlays != null) { 3766 paths.addAll(appOverlays); 3767 } 3768 } 3769 ai.resourceDirs = paths.size() > 0 ? paths.toArray(new String[paths.size()]) : null; 3770 } 3771 3772 private String normalizePackageNameLPr(String packageName) { 3773 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 3774 return normalizedPackageName != null ? normalizedPackageName : packageName; 3775 } 3776 3777 @Override 3778 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3779 final IPackageDataObserver observer) { 3780 mContext.enforceCallingOrSelfPermission( 3781 android.Manifest.permission.CLEAR_APP_CACHE, null); 3782 mHandler.post(() -> { 3783 boolean success = false; 3784 try { 3785 freeStorage(volumeUuid, freeStorageSize, 0); 3786 success = true; 3787 } catch (IOException e) { 3788 Slog.w(TAG, e); 3789 } 3790 if (observer != null) { 3791 try { 3792 observer.onRemoveCompleted(null, success); 3793 } catch (RemoteException e) { 3794 Slog.w(TAG, e); 3795 } 3796 } 3797 }); 3798 } 3799 3800 @Override 3801 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3802 final IntentSender pi) { 3803 mContext.enforceCallingOrSelfPermission( 3804 android.Manifest.permission.CLEAR_APP_CACHE, TAG); 3805 mHandler.post(() -> { 3806 boolean success = false; 3807 try { 3808 freeStorage(volumeUuid, freeStorageSize, 0); 3809 success = true; 3810 } catch (IOException e) { 3811 Slog.w(TAG, e); 3812 } 3813 if (pi != null) { 3814 try { 3815 pi.sendIntent(null, success ? 1 : 0, null, null, null); 3816 } catch (SendIntentException e) { 3817 Slog.w(TAG, e); 3818 } 3819 } 3820 }); 3821 } 3822 3823 /** 3824 * Blocking call to clear various types of cached data across the system 3825 * until the requested bytes are available. 3826 */ 3827 public void freeStorage(String volumeUuid, long bytes, int storageFlags) throws IOException { 3828 final StorageManager storage = mContext.getSystemService(StorageManager.class); 3829 final File file = storage.findPathForUuid(volumeUuid); 3830 3831 if (ENABLE_FREE_CACHE_V2) { 3832 final boolean aggressive = (storageFlags 3833 & StorageManager.FLAG_ALLOCATE_AGGRESSIVE) != 0; 3834 3835 // 1. Pre-flight to determine if we have any chance to succeed 3836 // 2. Consider preloaded data (after 1w honeymoon, unless aggressive) 3837 3838 // 3. Consider parsed APK data (aggressive only) 3839 if (aggressive) { 3840 FileUtils.deleteContents(mCacheDir); 3841 } 3842 if (file.getUsableSpace() >= bytes) return; 3843 3844 // 4. Consider cached app data (above quotas) 3845 try { 3846 mInstaller.freeCache(volumeUuid, bytes, Installer.FLAG_FREE_CACHE_V2); 3847 } catch (InstallerException ignored) { 3848 } 3849 if (file.getUsableSpace() >= bytes) return; 3850 3851 // 5. Consider shared libraries with refcount=0 and age>2h 3852 // 6. Consider dexopt output (aggressive only) 3853 // 7. Consider ephemeral apps not used in last week 3854 3855 // 8. Consider cached app data (below quotas) 3856 try { 3857 mInstaller.freeCache(volumeUuid, bytes, Installer.FLAG_FREE_CACHE_V2 3858 | Installer.FLAG_FREE_CACHE_V2_DEFY_QUOTA); 3859 } catch (InstallerException ignored) { 3860 } 3861 if (file.getUsableSpace() >= bytes) return; 3862 3863 // 9. Consider DropBox entries 3864 // 10. Consider ephemeral cookies 3865 3866 } else { 3867 try { 3868 mInstaller.freeCache(volumeUuid, bytes, 0); 3869 } catch (InstallerException ignored) { 3870 } 3871 if (file.getUsableSpace() >= bytes) return; 3872 } 3873 3874 throw new IOException("Failed to free " + bytes + " on storage device at " + file); 3875 } 3876 3877 /** 3878 * Update given flags based on encryption status of current user. 3879 */ 3880 private int updateFlags(int flags, int userId) { 3881 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3882 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3883 // Caller expressed an explicit opinion about what encryption 3884 // aware/unaware components they want to see, so fall through and 3885 // give them what they want 3886 } else { 3887 // Caller expressed no opinion, so match based on user state 3888 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3889 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3890 } else { 3891 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3892 } 3893 } 3894 return flags; 3895 } 3896 3897 private UserManagerInternal getUserManagerInternal() { 3898 if (mUserManagerInternal == null) { 3899 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3900 } 3901 return mUserManagerInternal; 3902 } 3903 3904 private DeviceIdleController.LocalService getDeviceIdleController() { 3905 if (mDeviceIdleController == null) { 3906 mDeviceIdleController = 3907 LocalServices.getService(DeviceIdleController.LocalService.class); 3908 } 3909 return mDeviceIdleController; 3910 } 3911 3912 /** 3913 * Update given flags when being used to request {@link PackageInfo}. 3914 */ 3915 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3916 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 3917 boolean triaged = true; 3918 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3919 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3920 // Caller is asking for component details, so they'd better be 3921 // asking for specific encryption matching behavior, or be triaged 3922 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3923 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3924 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3925 triaged = false; 3926 } 3927 } 3928 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3929 | PackageManager.MATCH_SYSTEM_ONLY 3930 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3931 triaged = false; 3932 } 3933 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 3934 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 3935 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 3936 + Debug.getCallers(5)); 3937 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 3938 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 3939 // If the caller wants all packages and has a restricted profile associated with it, 3940 // then match all users. This is to make sure that launchers that need to access work 3941 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 3942 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 3943 flags |= PackageManager.MATCH_ANY_USER; 3944 } 3945 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3946 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3947 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3948 } 3949 return updateFlags(flags, userId); 3950 } 3951 3952 /** 3953 * Update given flags when being used to request {@link ApplicationInfo}. 3954 */ 3955 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3956 return updateFlagsForPackage(flags, userId, cookie); 3957 } 3958 3959 /** 3960 * Update given flags when being used to request {@link ComponentInfo}. 3961 */ 3962 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3963 if (cookie instanceof Intent) { 3964 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3965 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3966 } 3967 } 3968 3969 boolean triaged = true; 3970 // Caller is asking for component details, so they'd better be 3971 // asking for specific encryption matching behavior, or be triaged 3972 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3973 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3974 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3975 triaged = false; 3976 } 3977 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3978 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3979 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3980 } 3981 3982 return updateFlags(flags, userId); 3983 } 3984 3985 /** 3986 * Update given intent when being used to request {@link ResolveInfo}. 3987 */ 3988 private Intent updateIntentForResolve(Intent intent) { 3989 if (intent.getSelector() != null) { 3990 intent = intent.getSelector(); 3991 } 3992 if (DEBUG_PREFERRED) { 3993 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3994 } 3995 return intent; 3996 } 3997 3998 /** 3999 * Update given flags when being used to request {@link ResolveInfo}. 4000 * <p>Instant apps are resolved specially, depending upon context. Minimally, 4001 * {@code}flags{@code} must have the {@link PackageManager#MATCH_INSTANT} 4002 * flag set. However, this flag is only honoured in three circumstances: 4003 * <ul> 4004 * <li>when called from a system process</li> 4005 * <li>when the caller holds the permission {@code android.permission.ACCESS_INSTANT_APPS}</li> 4006 * <li>when resolution occurs to start an activity with a {@code android.intent.action.VIEW} 4007 * action and a {@code android.intent.category.BROWSABLE} category</li> 4008 * </ul> 4009 */ 4010 int updateFlagsForResolve(int flags, int userId, Intent intent, boolean includeInstantApp) { 4011 // Safe mode means we shouldn't match any third-party components 4012 if (mSafeMode) { 4013 flags |= PackageManager.MATCH_SYSTEM_ONLY; 4014 } 4015 final int callingUid = Binder.getCallingUid(); 4016 if (getInstantAppPackageName(callingUid) != null) { 4017 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 4018 flags |= PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4019 flags |= PackageManager.MATCH_INSTANT; 4020 } else { 4021 // Otherwise, prevent leaking ephemeral components 4022 final boolean isSpecialProcess = 4023 callingUid == Process.SYSTEM_UID 4024 || callingUid == Process.SHELL_UID 4025 || callingUid == 0; 4026 final boolean allowMatchInstant = 4027 (includeInstantApp 4028 && Intent.ACTION_VIEW.equals(intent.getAction()) 4029 && intent.hasCategory(Intent.CATEGORY_BROWSABLE) 4030 && hasWebURI(intent)) 4031 || isSpecialProcess 4032 || mContext.checkCallingOrSelfPermission( 4033 android.Manifest.permission.ACCESS_INSTANT_APPS) == PERMISSION_GRANTED; 4034 flags &= ~PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4035 if (!allowMatchInstant) { 4036 flags &= ~PackageManager.MATCH_INSTANT; 4037 } 4038 } 4039 return updateFlagsForComponent(flags, userId, intent /*cookie*/); 4040 } 4041 4042 @Override 4043 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 4044 if (!sUserManager.exists(userId)) return null; 4045 flags = updateFlagsForComponent(flags, userId, component); 4046 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4047 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 4048 synchronized (mPackages) { 4049 PackageParser.Activity a = mActivities.mActivities.get(component); 4050 4051 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 4052 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4053 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4054 if (ps == null) return null; 4055 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 4056 userId); 4057 } 4058 if (mResolveComponentName.equals(component)) { 4059 return PackageParser.generateActivityInfo(mResolveActivity, flags, 4060 new PackageUserState(), userId); 4061 } 4062 } 4063 return null; 4064 } 4065 4066 @Override 4067 public boolean activitySupportsIntent(ComponentName component, Intent intent, 4068 String resolvedType) { 4069 synchronized (mPackages) { 4070 if (component.equals(mResolveComponentName)) { 4071 // The resolver supports EVERYTHING! 4072 return true; 4073 } 4074 PackageParser.Activity a = mActivities.mActivities.get(component); 4075 if (a == null) { 4076 return false; 4077 } 4078 for (int i=0; i<a.intents.size(); i++) { 4079 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 4080 intent.getData(), intent.getCategories(), TAG) >= 0) { 4081 return true; 4082 } 4083 } 4084 return false; 4085 } 4086 } 4087 4088 @Override 4089 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 4090 if (!sUserManager.exists(userId)) return null; 4091 flags = updateFlagsForComponent(flags, userId, component); 4092 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4093 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 4094 synchronized (mPackages) { 4095 PackageParser.Activity a = mReceivers.mActivities.get(component); 4096 if (DEBUG_PACKAGE_INFO) Log.v( 4097 TAG, "getReceiverInfo " + component + ": " + a); 4098 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4099 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4100 if (ps == null) return null; 4101 ActivityInfo ri = PackageParser.generateActivityInfo(a, flags, 4102 ps.readUserState(userId), userId); 4103 if (ri != null) { 4104 rebaseEnabledOverlays(ri.applicationInfo, userId); 4105 } 4106 return ri; 4107 } 4108 } 4109 return null; 4110 } 4111 4112 @Override 4113 public ParceledListSlice<SharedLibraryInfo> getSharedLibraries(int flags, int userId) { 4114 if (!sUserManager.exists(userId)) return null; 4115 Preconditions.checkArgumentNonnegative(userId, "userId must be >= 0"); 4116 4117 flags = updateFlagsForPackage(flags, userId, null); 4118 4119 final boolean canSeeStaticLibraries = 4120 mContext.checkCallingOrSelfPermission(INSTALL_PACKAGES) 4121 == PERMISSION_GRANTED 4122 || mContext.checkCallingOrSelfPermission(DELETE_PACKAGES) 4123 == PERMISSION_GRANTED 4124 || mContext.checkCallingOrSelfPermission(REQUEST_INSTALL_PACKAGES) 4125 == PERMISSION_GRANTED 4126 || mContext.checkCallingOrSelfPermission(REQUEST_DELETE_PACKAGES) 4127 == PERMISSION_GRANTED; 4128 4129 synchronized (mPackages) { 4130 List<SharedLibraryInfo> result = null; 4131 4132 final int libCount = mSharedLibraries.size(); 4133 for (int i = 0; i < libCount; i++) { 4134 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4135 if (versionedLib == null) { 4136 continue; 4137 } 4138 4139 final int versionCount = versionedLib.size(); 4140 for (int j = 0; j < versionCount; j++) { 4141 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4142 if (!canSeeStaticLibraries && libInfo.isStatic()) { 4143 break; 4144 } 4145 final long identity = Binder.clearCallingIdentity(); 4146 try { 4147 // TODO: We will change version code to long, so in the new API it is long 4148 PackageInfo packageInfo = getPackageInfoVersioned( 4149 libInfo.getDeclaringPackage(), flags, userId); 4150 if (packageInfo == null) { 4151 continue; 4152 } 4153 } finally { 4154 Binder.restoreCallingIdentity(identity); 4155 } 4156 4157 SharedLibraryInfo resLibInfo = new SharedLibraryInfo(libInfo.getName(), 4158 libInfo.getVersion(), libInfo.getType(), libInfo.getDeclaringPackage(), 4159 getPackagesUsingSharedLibraryLPr(libInfo, flags, userId)); 4160 4161 if (result == null) { 4162 result = new ArrayList<>(); 4163 } 4164 result.add(resLibInfo); 4165 } 4166 } 4167 4168 return result != null ? new ParceledListSlice<>(result) : null; 4169 } 4170 } 4171 4172 private List<VersionedPackage> getPackagesUsingSharedLibraryLPr( 4173 SharedLibraryInfo libInfo, int flags, int userId) { 4174 List<VersionedPackage> versionedPackages = null; 4175 final int packageCount = mSettings.mPackages.size(); 4176 for (int i = 0; i < packageCount; i++) { 4177 PackageSetting ps = mSettings.mPackages.valueAt(i); 4178 4179 if (ps == null) { 4180 continue; 4181 } 4182 4183 if (!ps.getUserState().get(userId).isAvailable(flags)) { 4184 continue; 4185 } 4186 4187 final String libName = libInfo.getName(); 4188 if (libInfo.isStatic()) { 4189 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 4190 if (libIdx < 0) { 4191 continue; 4192 } 4193 if (ps.usesStaticLibrariesVersions[libIdx] != libInfo.getVersion()) { 4194 continue; 4195 } 4196 if (versionedPackages == null) { 4197 versionedPackages = new ArrayList<>(); 4198 } 4199 // If the dependent is a static shared lib, use the public package name 4200 String dependentPackageName = ps.name; 4201 if (ps.pkg != null && ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4202 dependentPackageName = ps.pkg.manifestPackageName; 4203 } 4204 versionedPackages.add(new VersionedPackage(dependentPackageName, ps.versionCode)); 4205 } else if (ps.pkg != null) { 4206 if (ArrayUtils.contains(ps.pkg.usesLibraries, libName) 4207 || ArrayUtils.contains(ps.pkg.usesOptionalLibraries, libName)) { 4208 if (versionedPackages == null) { 4209 versionedPackages = new ArrayList<>(); 4210 } 4211 versionedPackages.add(new VersionedPackage(ps.name, ps.versionCode)); 4212 } 4213 } 4214 } 4215 4216 return versionedPackages; 4217 } 4218 4219 @Override 4220 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 4221 if (!sUserManager.exists(userId)) return null; 4222 flags = updateFlagsForComponent(flags, userId, component); 4223 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4224 false /* requireFullPermission */, false /* checkShell */, "get service info"); 4225 synchronized (mPackages) { 4226 PackageParser.Service s = mServices.mServices.get(component); 4227 if (DEBUG_PACKAGE_INFO) Log.v( 4228 TAG, "getServiceInfo " + component + ": " + s); 4229 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 4230 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4231 if (ps == null) return null; 4232 ServiceInfo si = PackageParser.generateServiceInfo(s, flags, 4233 ps.readUserState(userId), userId); 4234 if (si != null) { 4235 rebaseEnabledOverlays(si.applicationInfo, userId); 4236 } 4237 return si; 4238 } 4239 } 4240 return null; 4241 } 4242 4243 @Override 4244 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 4245 if (!sUserManager.exists(userId)) return null; 4246 flags = updateFlagsForComponent(flags, userId, component); 4247 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4248 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 4249 synchronized (mPackages) { 4250 PackageParser.Provider p = mProviders.mProviders.get(component); 4251 if (DEBUG_PACKAGE_INFO) Log.v( 4252 TAG, "getProviderInfo " + component + ": " + p); 4253 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 4254 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4255 if (ps == null) return null; 4256 ProviderInfo pi = PackageParser.generateProviderInfo(p, flags, 4257 ps.readUserState(userId), userId); 4258 if (pi != null) { 4259 rebaseEnabledOverlays(pi.applicationInfo, userId); 4260 } 4261 return pi; 4262 } 4263 } 4264 return null; 4265 } 4266 4267 @Override 4268 public String[] getSystemSharedLibraryNames() { 4269 synchronized (mPackages) { 4270 Set<String> libs = null; 4271 final int libCount = mSharedLibraries.size(); 4272 for (int i = 0; i < libCount; i++) { 4273 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4274 if (versionedLib == null) { 4275 continue; 4276 } 4277 final int versionCount = versionedLib.size(); 4278 for (int j = 0; j < versionCount; j++) { 4279 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 4280 if (!libEntry.info.isStatic()) { 4281 if (libs == null) { 4282 libs = new ArraySet<>(); 4283 } 4284 libs.add(libEntry.info.getName()); 4285 break; 4286 } 4287 PackageSetting ps = mSettings.getPackageLPr(libEntry.apk); 4288 if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(), 4289 UserHandle.getUserId(Binder.getCallingUid()))) { 4290 if (libs == null) { 4291 libs = new ArraySet<>(); 4292 } 4293 libs.add(libEntry.info.getName()); 4294 break; 4295 } 4296 } 4297 } 4298 4299 if (libs != null) { 4300 String[] libsArray = new String[libs.size()]; 4301 libs.toArray(libsArray); 4302 return libsArray; 4303 } 4304 4305 return null; 4306 } 4307 } 4308 4309 @Override 4310 public @NonNull String getServicesSystemSharedLibraryPackageName() { 4311 synchronized (mPackages) { 4312 return mServicesSystemSharedLibraryPackageName; 4313 } 4314 } 4315 4316 @Override 4317 public @NonNull String getSharedSystemSharedLibraryPackageName() { 4318 synchronized (mPackages) { 4319 return mSharedSystemSharedLibraryPackageName; 4320 } 4321 } 4322 4323 private void updateSequenceNumberLP(String packageName, int[] userList) { 4324 for (int i = userList.length - 1; i >= 0; --i) { 4325 final int userId = userList[i]; 4326 SparseArray<String> changedPackages = mChangedPackages.get(userId); 4327 if (changedPackages == null) { 4328 changedPackages = new SparseArray<>(); 4329 mChangedPackages.put(userId, changedPackages); 4330 } 4331 Map<String, Integer> sequenceNumbers = mChangedPackagesSequenceNumbers.get(userId); 4332 if (sequenceNumbers == null) { 4333 sequenceNumbers = new HashMap<>(); 4334 mChangedPackagesSequenceNumbers.put(userId, sequenceNumbers); 4335 } 4336 final Integer sequenceNumber = sequenceNumbers.get(packageName); 4337 if (sequenceNumber != null) { 4338 changedPackages.remove(sequenceNumber); 4339 } 4340 changedPackages.put(mChangedPackagesSequenceNumber, packageName); 4341 sequenceNumbers.put(packageName, mChangedPackagesSequenceNumber); 4342 } 4343 mChangedPackagesSequenceNumber++; 4344 } 4345 4346 @Override 4347 public ChangedPackages getChangedPackages(int sequenceNumber, int userId) { 4348 synchronized (mPackages) { 4349 if (sequenceNumber >= mChangedPackagesSequenceNumber) { 4350 return null; 4351 } 4352 final SparseArray<String> changedPackages = mChangedPackages.get(userId); 4353 if (changedPackages == null) { 4354 return null; 4355 } 4356 final List<String> packageNames = 4357 new ArrayList<>(mChangedPackagesSequenceNumber - sequenceNumber); 4358 for (int i = sequenceNumber; i < mChangedPackagesSequenceNumber; i++) { 4359 final String packageName = changedPackages.get(i); 4360 if (packageName != null) { 4361 packageNames.add(packageName); 4362 } 4363 } 4364 return packageNames.isEmpty() 4365 ? null : new ChangedPackages(mChangedPackagesSequenceNumber, packageNames); 4366 } 4367 } 4368 4369 @Override 4370 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 4371 ArrayList<FeatureInfo> res; 4372 synchronized (mAvailableFeatures) { 4373 res = new ArrayList<>(mAvailableFeatures.size() + 1); 4374 res.addAll(mAvailableFeatures.values()); 4375 } 4376 final FeatureInfo fi = new FeatureInfo(); 4377 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 4378 FeatureInfo.GL_ES_VERSION_UNDEFINED); 4379 res.add(fi); 4380 4381 return new ParceledListSlice<>(res); 4382 } 4383 4384 @Override 4385 public boolean hasSystemFeature(String name, int version) { 4386 synchronized (mAvailableFeatures) { 4387 final FeatureInfo feat = mAvailableFeatures.get(name); 4388 if (feat == null) { 4389 return false; 4390 } else { 4391 return feat.version >= version; 4392 } 4393 } 4394 } 4395 4396 @Override 4397 public int checkPermission(String permName, String pkgName, int userId) { 4398 if (!sUserManager.exists(userId)) { 4399 return PackageManager.PERMISSION_DENIED; 4400 } 4401 4402 synchronized (mPackages) { 4403 final PackageParser.Package p = mPackages.get(pkgName); 4404 if (p != null && p.mExtras != null) { 4405 final PackageSetting ps = (PackageSetting) p.mExtras; 4406 final PermissionsState permissionsState = ps.getPermissionsState(); 4407 if (permissionsState.hasPermission(permName, userId)) { 4408 return PackageManager.PERMISSION_GRANTED; 4409 } 4410 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4411 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4412 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4413 return PackageManager.PERMISSION_GRANTED; 4414 } 4415 } 4416 } 4417 4418 return PackageManager.PERMISSION_DENIED; 4419 } 4420 4421 @Override 4422 public int checkUidPermission(String permName, int uid) { 4423 final int userId = UserHandle.getUserId(uid); 4424 4425 if (!sUserManager.exists(userId)) { 4426 return PackageManager.PERMISSION_DENIED; 4427 } 4428 4429 synchronized (mPackages) { 4430 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4431 if (obj != null) { 4432 final SettingBase ps = (SettingBase) obj; 4433 final PermissionsState permissionsState = ps.getPermissionsState(); 4434 if (permissionsState.hasPermission(permName, userId)) { 4435 return PackageManager.PERMISSION_GRANTED; 4436 } 4437 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4438 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4439 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4440 return PackageManager.PERMISSION_GRANTED; 4441 } 4442 } else { 4443 ArraySet<String> perms = mSystemPermissions.get(uid); 4444 if (perms != null) { 4445 if (perms.contains(permName)) { 4446 return PackageManager.PERMISSION_GRANTED; 4447 } 4448 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 4449 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 4450 return PackageManager.PERMISSION_GRANTED; 4451 } 4452 } 4453 } 4454 } 4455 4456 return PackageManager.PERMISSION_DENIED; 4457 } 4458 4459 @Override 4460 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 4461 if (UserHandle.getCallingUserId() != userId) { 4462 mContext.enforceCallingPermission( 4463 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4464 "isPermissionRevokedByPolicy for user " + userId); 4465 } 4466 4467 if (checkPermission(permission, packageName, userId) 4468 == PackageManager.PERMISSION_GRANTED) { 4469 return false; 4470 } 4471 4472 final long identity = Binder.clearCallingIdentity(); 4473 try { 4474 final int flags = getPermissionFlags(permission, packageName, userId); 4475 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 4476 } finally { 4477 Binder.restoreCallingIdentity(identity); 4478 } 4479 } 4480 4481 @Override 4482 public String getPermissionControllerPackageName() { 4483 synchronized (mPackages) { 4484 return mRequiredInstallerPackage; 4485 } 4486 } 4487 4488 /** 4489 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 4490 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 4491 * @param checkShell whether to prevent shell from access if there's a debugging restriction 4492 * @param message the message to log on security exception 4493 */ 4494 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 4495 boolean checkShell, String message) { 4496 if (userId < 0) { 4497 throw new IllegalArgumentException("Invalid userId " + userId); 4498 } 4499 if (checkShell) { 4500 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 4501 } 4502 if (userId == UserHandle.getUserId(callingUid)) return; 4503 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4504 if (requireFullPermission) { 4505 mContext.enforceCallingOrSelfPermission( 4506 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4507 } else { 4508 try { 4509 mContext.enforceCallingOrSelfPermission( 4510 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4511 } catch (SecurityException se) { 4512 mContext.enforceCallingOrSelfPermission( 4513 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 4514 } 4515 } 4516 } 4517 } 4518 4519 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 4520 if (callingUid == Process.SHELL_UID) { 4521 if (userHandle >= 0 4522 && sUserManager.hasUserRestriction(restriction, userHandle)) { 4523 throw new SecurityException("Shell does not have permission to access user " 4524 + userHandle); 4525 } else if (userHandle < 0) { 4526 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 4527 + Debug.getCallers(3)); 4528 } 4529 } 4530 } 4531 4532 private BasePermission findPermissionTreeLP(String permName) { 4533 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 4534 if (permName.startsWith(bp.name) && 4535 permName.length() > bp.name.length() && 4536 permName.charAt(bp.name.length()) == '.') { 4537 return bp; 4538 } 4539 } 4540 return null; 4541 } 4542 4543 private BasePermission checkPermissionTreeLP(String permName) { 4544 if (permName != null) { 4545 BasePermission bp = findPermissionTreeLP(permName); 4546 if (bp != null) { 4547 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 4548 return bp; 4549 } 4550 throw new SecurityException("Calling uid " 4551 + Binder.getCallingUid() 4552 + " is not allowed to add to permission tree " 4553 + bp.name + " owned by uid " + bp.uid); 4554 } 4555 } 4556 throw new SecurityException("No permission tree found for " + permName); 4557 } 4558 4559 static boolean compareStrings(CharSequence s1, CharSequence s2) { 4560 if (s1 == null) { 4561 return s2 == null; 4562 } 4563 if (s2 == null) { 4564 return false; 4565 } 4566 if (s1.getClass() != s2.getClass()) { 4567 return false; 4568 } 4569 return s1.equals(s2); 4570 } 4571 4572 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 4573 if (pi1.icon != pi2.icon) return false; 4574 if (pi1.logo != pi2.logo) return false; 4575 if (pi1.protectionLevel != pi2.protectionLevel) return false; 4576 if (!compareStrings(pi1.name, pi2.name)) return false; 4577 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 4578 // We'll take care of setting this one. 4579 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 4580 // These are not currently stored in settings. 4581 //if (!compareStrings(pi1.group, pi2.group)) return false; 4582 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 4583 //if (pi1.labelRes != pi2.labelRes) return false; 4584 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 4585 return true; 4586 } 4587 4588 int permissionInfoFootprint(PermissionInfo info) { 4589 int size = info.name.length(); 4590 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4591 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4592 return size; 4593 } 4594 4595 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4596 int size = 0; 4597 for (BasePermission perm : mSettings.mPermissions.values()) { 4598 if (perm.uid == tree.uid) { 4599 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4600 } 4601 } 4602 return size; 4603 } 4604 4605 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4606 // We calculate the max size of permissions defined by this uid and throw 4607 // if that plus the size of 'info' would exceed our stated maximum. 4608 if (tree.uid != Process.SYSTEM_UID) { 4609 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4610 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4611 throw new SecurityException("Permission tree size cap exceeded"); 4612 } 4613 } 4614 } 4615 4616 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4617 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4618 throw new SecurityException("Label must be specified in permission"); 4619 } 4620 BasePermission tree = checkPermissionTreeLP(info.name); 4621 BasePermission bp = mSettings.mPermissions.get(info.name); 4622 boolean added = bp == null; 4623 boolean changed = true; 4624 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4625 if (added) { 4626 enforcePermissionCapLocked(info, tree); 4627 bp = new BasePermission(info.name, tree.sourcePackage, 4628 BasePermission.TYPE_DYNAMIC); 4629 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4630 throw new SecurityException( 4631 "Not allowed to modify non-dynamic permission " 4632 + info.name); 4633 } else { 4634 if (bp.protectionLevel == fixedLevel 4635 && bp.perm.owner.equals(tree.perm.owner) 4636 && bp.uid == tree.uid 4637 && comparePermissionInfos(bp.perm.info, info)) { 4638 changed = false; 4639 } 4640 } 4641 bp.protectionLevel = fixedLevel; 4642 info = new PermissionInfo(info); 4643 info.protectionLevel = fixedLevel; 4644 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4645 bp.perm.info.packageName = tree.perm.info.packageName; 4646 bp.uid = tree.uid; 4647 if (added) { 4648 mSettings.mPermissions.put(info.name, bp); 4649 } 4650 if (changed) { 4651 if (!async) { 4652 mSettings.writeLPr(); 4653 } else { 4654 scheduleWriteSettingsLocked(); 4655 } 4656 } 4657 return added; 4658 } 4659 4660 @Override 4661 public boolean addPermission(PermissionInfo info) { 4662 synchronized (mPackages) { 4663 return addPermissionLocked(info, false); 4664 } 4665 } 4666 4667 @Override 4668 public boolean addPermissionAsync(PermissionInfo info) { 4669 synchronized (mPackages) { 4670 return addPermissionLocked(info, true); 4671 } 4672 } 4673 4674 @Override 4675 public void removePermission(String name) { 4676 synchronized (mPackages) { 4677 checkPermissionTreeLP(name); 4678 BasePermission bp = mSettings.mPermissions.get(name); 4679 if (bp != null) { 4680 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4681 throw new SecurityException( 4682 "Not allowed to modify non-dynamic permission " 4683 + name); 4684 } 4685 mSettings.mPermissions.remove(name); 4686 mSettings.writeLPr(); 4687 } 4688 } 4689 } 4690 4691 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4692 BasePermission bp) { 4693 int index = pkg.requestedPermissions.indexOf(bp.name); 4694 if (index == -1) { 4695 throw new SecurityException("Package " + pkg.packageName 4696 + " has not requested permission " + bp.name); 4697 } 4698 if (!bp.isRuntime() && !bp.isDevelopment()) { 4699 throw new SecurityException("Permission " + bp.name 4700 + " is not a changeable permission type"); 4701 } 4702 } 4703 4704 @Override 4705 public void grantRuntimePermission(String packageName, String name, final int userId) { 4706 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4707 } 4708 4709 private void grantRuntimePermission(String packageName, String name, final int userId, 4710 boolean overridePolicy) { 4711 if (!sUserManager.exists(userId)) { 4712 Log.e(TAG, "No such user:" + userId); 4713 return; 4714 } 4715 4716 mContext.enforceCallingOrSelfPermission( 4717 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4718 "grantRuntimePermission"); 4719 4720 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4721 true /* requireFullPermission */, true /* checkShell */, 4722 "grantRuntimePermission"); 4723 4724 final int uid; 4725 final SettingBase sb; 4726 4727 synchronized (mPackages) { 4728 final PackageParser.Package pkg = mPackages.get(packageName); 4729 if (pkg == null) { 4730 throw new IllegalArgumentException("Unknown package: " + packageName); 4731 } 4732 4733 final BasePermission bp = mSettings.mPermissions.get(name); 4734 if (bp == null) { 4735 throw new IllegalArgumentException("Unknown permission: " + name); 4736 } 4737 4738 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4739 4740 // If a permission review is required for legacy apps we represent 4741 // their permissions as always granted runtime ones since we need 4742 // to keep the review required permission flag per user while an 4743 // install permission's state is shared across all users. 4744 if (mPermissionReviewRequired 4745 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4746 && bp.isRuntime()) { 4747 return; 4748 } 4749 4750 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4751 sb = (SettingBase) pkg.mExtras; 4752 if (sb == null) { 4753 throw new IllegalArgumentException("Unknown package: " + packageName); 4754 } 4755 4756 final PermissionsState permissionsState = sb.getPermissionsState(); 4757 4758 final int flags = permissionsState.getPermissionFlags(name, userId); 4759 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4760 throw new SecurityException("Cannot grant system fixed permission " 4761 + name + " for package " + packageName); 4762 } 4763 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4764 throw new SecurityException("Cannot grant policy fixed permission " 4765 + name + " for package " + packageName); 4766 } 4767 4768 if (bp.isDevelopment()) { 4769 // Development permissions must be handled specially, since they are not 4770 // normal runtime permissions. For now they apply to all users. 4771 if (permissionsState.grantInstallPermission(bp) != 4772 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4773 scheduleWriteSettingsLocked(); 4774 } 4775 return; 4776 } 4777 4778 final PackageSetting ps = mSettings.mPackages.get(packageName); 4779 if (ps.getInstantApp(userId) && !bp.isInstant()) { 4780 throw new SecurityException("Cannot grant non-ephemeral permission" 4781 + name + " for package " + packageName); 4782 } 4783 4784 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4785 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4786 return; 4787 } 4788 4789 final int result = permissionsState.grantRuntimePermission(bp, userId); 4790 switch (result) { 4791 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4792 return; 4793 } 4794 4795 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4796 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4797 mHandler.post(new Runnable() { 4798 @Override 4799 public void run() { 4800 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4801 } 4802 }); 4803 } 4804 break; 4805 } 4806 4807 if (bp.isRuntime()) { 4808 logPermissionGranted(mContext, name, packageName); 4809 } 4810 4811 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4812 4813 // Not critical if that is lost - app has to request again. 4814 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4815 } 4816 4817 // Only need to do this if user is initialized. Otherwise it's a new user 4818 // and there are no processes running as the user yet and there's no need 4819 // to make an expensive call to remount processes for the changed permissions. 4820 if (READ_EXTERNAL_STORAGE.equals(name) 4821 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4822 final long token = Binder.clearCallingIdentity(); 4823 try { 4824 if (sUserManager.isInitialized(userId)) { 4825 StorageManagerInternal storageManagerInternal = LocalServices.getService( 4826 StorageManagerInternal.class); 4827 storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); 4828 } 4829 } finally { 4830 Binder.restoreCallingIdentity(token); 4831 } 4832 } 4833 } 4834 4835 @Override 4836 public void revokeRuntimePermission(String packageName, String name, int userId) { 4837 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4838 } 4839 4840 private void revokeRuntimePermission(String packageName, String name, int userId, 4841 boolean overridePolicy) { 4842 if (!sUserManager.exists(userId)) { 4843 Log.e(TAG, "No such user:" + userId); 4844 return; 4845 } 4846 4847 mContext.enforceCallingOrSelfPermission( 4848 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4849 "revokeRuntimePermission"); 4850 4851 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4852 true /* requireFullPermission */, true /* checkShell */, 4853 "revokeRuntimePermission"); 4854 4855 final int appId; 4856 4857 synchronized (mPackages) { 4858 final PackageParser.Package pkg = mPackages.get(packageName); 4859 if (pkg == null) { 4860 throw new IllegalArgumentException("Unknown package: " + packageName); 4861 } 4862 4863 final BasePermission bp = mSettings.mPermissions.get(name); 4864 if (bp == null) { 4865 throw new IllegalArgumentException("Unknown permission: " + name); 4866 } 4867 4868 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4869 4870 // If a permission review is required for legacy apps we represent 4871 // their permissions as always granted runtime ones since we need 4872 // to keep the review required permission flag per user while an 4873 // install permission's state is shared across all users. 4874 if (mPermissionReviewRequired 4875 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4876 && bp.isRuntime()) { 4877 return; 4878 } 4879 4880 SettingBase sb = (SettingBase) pkg.mExtras; 4881 if (sb == null) { 4882 throw new IllegalArgumentException("Unknown package: " + packageName); 4883 } 4884 4885 final PermissionsState permissionsState = sb.getPermissionsState(); 4886 4887 final int flags = permissionsState.getPermissionFlags(name, userId); 4888 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4889 throw new SecurityException("Cannot revoke system fixed permission " 4890 + name + " for package " + packageName); 4891 } 4892 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4893 throw new SecurityException("Cannot revoke policy fixed permission " 4894 + name + " for package " + packageName); 4895 } 4896 4897 if (bp.isDevelopment()) { 4898 // Development permissions must be handled specially, since they are not 4899 // normal runtime permissions. For now they apply to all users. 4900 if (permissionsState.revokeInstallPermission(bp) != 4901 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4902 scheduleWriteSettingsLocked(); 4903 } 4904 return; 4905 } 4906 4907 if (permissionsState.revokeRuntimePermission(bp, userId) == 4908 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4909 return; 4910 } 4911 4912 if (bp.isRuntime()) { 4913 logPermissionRevoked(mContext, name, packageName); 4914 } 4915 4916 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4917 4918 // Critical, after this call app should never have the permission. 4919 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4920 4921 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4922 } 4923 4924 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4925 } 4926 4927 /** 4928 * Get the first event id for the permission. 4929 * 4930 * <p>There are four events for each permission: <ul> 4931 * <li>Request permission: first id + 0</li> 4932 * <li>Grant permission: first id + 1</li> 4933 * <li>Request for permission denied: first id + 2</li> 4934 * <li>Revoke permission: first id + 3</li> 4935 * </ul></p> 4936 * 4937 * @param name name of the permission 4938 * 4939 * @return The first event id for the permission 4940 */ 4941 private static int getBaseEventId(@NonNull String name) { 4942 int eventIdIndex = ALL_DANGEROUS_PERMISSIONS.indexOf(name); 4943 4944 if (eventIdIndex == -1) { 4945 if (AppOpsManager.permissionToOpCode(name) == AppOpsManager.OP_NONE 4946 || "user".equals(Build.TYPE)) { 4947 Log.i(TAG, "Unknown permission " + name); 4948 4949 return MetricsEvent.ACTION_PERMISSION_REQUEST_UNKNOWN; 4950 } else { 4951 // Most likely #ALL_DANGEROUS_PERMISSIONS needs to be updated. 4952 // 4953 // Also update 4954 // - EventLogger#ALL_DANGEROUS_PERMISSIONS 4955 // - metrics_constants.proto 4956 throw new IllegalStateException("Unknown permission " + name); 4957 } 4958 } 4959 4960 return MetricsEvent.ACTION_PERMISSION_REQUEST_READ_CALENDAR + eventIdIndex * 4; 4961 } 4962 4963 /** 4964 * Log that a permission was revoked. 4965 * 4966 * @param context Context of the caller 4967 * @param name name of the permission 4968 * @param packageName package permission if for 4969 */ 4970 private static void logPermissionRevoked(@NonNull Context context, @NonNull String name, 4971 @NonNull String packageName) { 4972 MetricsLogger.action(context, getBaseEventId(name) + 3, packageName); 4973 } 4974 4975 /** 4976 * Log that a permission request was granted. 4977 * 4978 * @param context Context of the caller 4979 * @param name name of the permission 4980 * @param packageName package permission if for 4981 */ 4982 private static void logPermissionGranted(@NonNull Context context, @NonNull String name, 4983 @NonNull String packageName) { 4984 MetricsLogger.action(context, getBaseEventId(name) + 1, packageName); 4985 } 4986 4987 @Override 4988 public void resetRuntimePermissions() { 4989 mContext.enforceCallingOrSelfPermission( 4990 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4991 "revokeRuntimePermission"); 4992 4993 int callingUid = Binder.getCallingUid(); 4994 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4995 mContext.enforceCallingOrSelfPermission( 4996 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4997 "resetRuntimePermissions"); 4998 } 4999 5000 synchronized (mPackages) { 5001 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 5002 for (int userId : UserManagerService.getInstance().getUserIds()) { 5003 final int packageCount = mPackages.size(); 5004 for (int i = 0; i < packageCount; i++) { 5005 PackageParser.Package pkg = mPackages.valueAt(i); 5006 if (!(pkg.mExtras instanceof PackageSetting)) { 5007 continue; 5008 } 5009 PackageSetting ps = (PackageSetting) pkg.mExtras; 5010 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 5011 } 5012 } 5013 } 5014 } 5015 5016 @Override 5017 public int getPermissionFlags(String name, String packageName, int userId) { 5018 if (!sUserManager.exists(userId)) { 5019 return 0; 5020 } 5021 5022 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 5023 5024 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5025 true /* requireFullPermission */, false /* checkShell */, 5026 "getPermissionFlags"); 5027 5028 synchronized (mPackages) { 5029 final PackageParser.Package pkg = mPackages.get(packageName); 5030 if (pkg == null) { 5031 return 0; 5032 } 5033 5034 final BasePermission bp = mSettings.mPermissions.get(name); 5035 if (bp == null) { 5036 return 0; 5037 } 5038 5039 SettingBase sb = (SettingBase) pkg.mExtras; 5040 if (sb == null) { 5041 return 0; 5042 } 5043 5044 PermissionsState permissionsState = sb.getPermissionsState(); 5045 return permissionsState.getPermissionFlags(name, userId); 5046 } 5047 } 5048 5049 @Override 5050 public void updatePermissionFlags(String name, String packageName, int flagMask, 5051 int flagValues, int userId) { 5052 if (!sUserManager.exists(userId)) { 5053 return; 5054 } 5055 5056 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 5057 5058 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5059 true /* requireFullPermission */, true /* checkShell */, 5060 "updatePermissionFlags"); 5061 5062 // Only the system can change these flags and nothing else. 5063 if (getCallingUid() != Process.SYSTEM_UID) { 5064 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5065 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5066 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5067 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5068 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 5069 } 5070 5071 synchronized (mPackages) { 5072 final PackageParser.Package pkg = mPackages.get(packageName); 5073 if (pkg == null) { 5074 throw new IllegalArgumentException("Unknown package: " + packageName); 5075 } 5076 5077 final BasePermission bp = mSettings.mPermissions.get(name); 5078 if (bp == null) { 5079 throw new IllegalArgumentException("Unknown permission: " + name); 5080 } 5081 5082 SettingBase sb = (SettingBase) pkg.mExtras; 5083 if (sb == null) { 5084 throw new IllegalArgumentException("Unknown package: " + packageName); 5085 } 5086 5087 PermissionsState permissionsState = sb.getPermissionsState(); 5088 5089 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 5090 5091 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 5092 // Install and runtime permissions are stored in different places, 5093 // so figure out what permission changed and persist the change. 5094 if (permissionsState.getInstallPermissionState(name) != null) { 5095 scheduleWriteSettingsLocked(); 5096 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 5097 || hadState) { 5098 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5099 } 5100 } 5101 } 5102 } 5103 5104 /** 5105 * Update the permission flags for all packages and runtime permissions of a user in order 5106 * to allow device or profile owner to remove POLICY_FIXED. 5107 */ 5108 @Override 5109 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 5110 if (!sUserManager.exists(userId)) { 5111 return; 5112 } 5113 5114 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 5115 5116 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5117 true /* requireFullPermission */, true /* checkShell */, 5118 "updatePermissionFlagsForAllApps"); 5119 5120 // Only the system can change system fixed flags. 5121 if (getCallingUid() != Process.SYSTEM_UID) { 5122 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5123 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5124 } 5125 5126 synchronized (mPackages) { 5127 boolean changed = false; 5128 final int packageCount = mPackages.size(); 5129 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 5130 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 5131 SettingBase sb = (SettingBase) pkg.mExtras; 5132 if (sb == null) { 5133 continue; 5134 } 5135 PermissionsState permissionsState = sb.getPermissionsState(); 5136 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 5137 userId, flagMask, flagValues); 5138 } 5139 if (changed) { 5140 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5141 } 5142 } 5143 } 5144 5145 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 5146 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 5147 != PackageManager.PERMISSION_GRANTED 5148 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 5149 != PackageManager.PERMISSION_GRANTED) { 5150 throw new SecurityException(message + " requires " 5151 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 5152 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 5153 } 5154 } 5155 5156 @Override 5157 public boolean shouldShowRequestPermissionRationale(String permissionName, 5158 String packageName, int userId) { 5159 if (UserHandle.getCallingUserId() != userId) { 5160 mContext.enforceCallingPermission( 5161 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5162 "canShowRequestPermissionRationale for user " + userId); 5163 } 5164 5165 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 5166 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 5167 return false; 5168 } 5169 5170 if (checkPermission(permissionName, packageName, userId) 5171 == PackageManager.PERMISSION_GRANTED) { 5172 return false; 5173 } 5174 5175 final int flags; 5176 5177 final long identity = Binder.clearCallingIdentity(); 5178 try { 5179 flags = getPermissionFlags(permissionName, 5180 packageName, userId); 5181 } finally { 5182 Binder.restoreCallingIdentity(identity); 5183 } 5184 5185 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 5186 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 5187 | PackageManager.FLAG_PERMISSION_USER_FIXED; 5188 5189 if ((flags & fixedFlags) != 0) { 5190 return false; 5191 } 5192 5193 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 5194 } 5195 5196 @Override 5197 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5198 mContext.enforceCallingOrSelfPermission( 5199 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 5200 "addOnPermissionsChangeListener"); 5201 5202 synchronized (mPackages) { 5203 mOnPermissionChangeListeners.addListenerLocked(listener); 5204 } 5205 } 5206 5207 @Override 5208 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5209 synchronized (mPackages) { 5210 mOnPermissionChangeListeners.removeListenerLocked(listener); 5211 } 5212 } 5213 5214 @Override 5215 public boolean isProtectedBroadcast(String actionName) { 5216 synchronized (mPackages) { 5217 if (mProtectedBroadcasts.contains(actionName)) { 5218 return true; 5219 } else if (actionName != null) { 5220 // TODO: remove these terrible hacks 5221 if (actionName.startsWith("android.net.netmon.lingerExpired") 5222 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 5223 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 5224 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 5225 return true; 5226 } 5227 } 5228 } 5229 return false; 5230 } 5231 5232 @Override 5233 public int checkSignatures(String pkg1, String pkg2) { 5234 synchronized (mPackages) { 5235 final PackageParser.Package p1 = mPackages.get(pkg1); 5236 final PackageParser.Package p2 = mPackages.get(pkg2); 5237 if (p1 == null || p1.mExtras == null 5238 || p2 == null || p2.mExtras == null) { 5239 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5240 } 5241 return compareSignatures(p1.mSignatures, p2.mSignatures); 5242 } 5243 } 5244 5245 @Override 5246 public int checkUidSignatures(int uid1, int uid2) { 5247 // Map to base uids. 5248 uid1 = UserHandle.getAppId(uid1); 5249 uid2 = UserHandle.getAppId(uid2); 5250 // reader 5251 synchronized (mPackages) { 5252 Signature[] s1; 5253 Signature[] s2; 5254 Object obj = mSettings.getUserIdLPr(uid1); 5255 if (obj != null) { 5256 if (obj instanceof SharedUserSetting) { 5257 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 5258 } else if (obj instanceof PackageSetting) { 5259 s1 = ((PackageSetting)obj).signatures.mSignatures; 5260 } else { 5261 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5262 } 5263 } else { 5264 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5265 } 5266 obj = mSettings.getUserIdLPr(uid2); 5267 if (obj != null) { 5268 if (obj instanceof SharedUserSetting) { 5269 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 5270 } else if (obj instanceof PackageSetting) { 5271 s2 = ((PackageSetting)obj).signatures.mSignatures; 5272 } else { 5273 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5274 } 5275 } else { 5276 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5277 } 5278 return compareSignatures(s1, s2); 5279 } 5280 } 5281 5282 /** 5283 * This method should typically only be used when granting or revoking 5284 * permissions, since the app may immediately restart after this call. 5285 * <p> 5286 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 5287 * guard your work against the app being relaunched. 5288 */ 5289 private void killUid(int appId, int userId, String reason) { 5290 final long identity = Binder.clearCallingIdentity(); 5291 try { 5292 IActivityManager am = ActivityManager.getService(); 5293 if (am != null) { 5294 try { 5295 am.killUid(appId, userId, reason); 5296 } catch (RemoteException e) { 5297 /* ignore - same process */ 5298 } 5299 } 5300 } finally { 5301 Binder.restoreCallingIdentity(identity); 5302 } 5303 } 5304 5305 /** 5306 * Compares two sets of signatures. Returns: 5307 * <br /> 5308 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 5309 * <br /> 5310 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 5311 * <br /> 5312 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 5313 * <br /> 5314 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 5315 * <br /> 5316 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 5317 */ 5318 static int compareSignatures(Signature[] s1, Signature[] s2) { 5319 if (s1 == null) { 5320 return s2 == null 5321 ? PackageManager.SIGNATURE_NEITHER_SIGNED 5322 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 5323 } 5324 5325 if (s2 == null) { 5326 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 5327 } 5328 5329 if (s1.length != s2.length) { 5330 return PackageManager.SIGNATURE_NO_MATCH; 5331 } 5332 5333 // Since both signature sets are of size 1, we can compare without HashSets. 5334 if (s1.length == 1) { 5335 return s1[0].equals(s2[0]) ? 5336 PackageManager.SIGNATURE_MATCH : 5337 PackageManager.SIGNATURE_NO_MATCH; 5338 } 5339 5340 ArraySet<Signature> set1 = new ArraySet<Signature>(); 5341 for (Signature sig : s1) { 5342 set1.add(sig); 5343 } 5344 ArraySet<Signature> set2 = new ArraySet<Signature>(); 5345 for (Signature sig : s2) { 5346 set2.add(sig); 5347 } 5348 // Make sure s2 contains all signatures in s1. 5349 if (set1.equals(set2)) { 5350 return PackageManager.SIGNATURE_MATCH; 5351 } 5352 return PackageManager.SIGNATURE_NO_MATCH; 5353 } 5354 5355 /** 5356 * If the database version for this type of package (internal storage or 5357 * external storage) is less than the version where package signatures 5358 * were updated, return true. 5359 */ 5360 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5361 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5362 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 5363 } 5364 5365 /** 5366 * Used for backward compatibility to make sure any packages with 5367 * certificate chains get upgraded to the new style. {@code existingSigs} 5368 * will be in the old format (since they were stored on disk from before the 5369 * system upgrade) and {@code scannedSigs} will be in the newer format. 5370 */ 5371 private int compareSignaturesCompat(PackageSignatures existingSigs, 5372 PackageParser.Package scannedPkg) { 5373 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 5374 return PackageManager.SIGNATURE_NO_MATCH; 5375 } 5376 5377 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 5378 for (Signature sig : existingSigs.mSignatures) { 5379 existingSet.add(sig); 5380 } 5381 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 5382 for (Signature sig : scannedPkg.mSignatures) { 5383 try { 5384 Signature[] chainSignatures = sig.getChainSignatures(); 5385 for (Signature chainSig : chainSignatures) { 5386 scannedCompatSet.add(chainSig); 5387 } 5388 } catch (CertificateEncodingException e) { 5389 scannedCompatSet.add(sig); 5390 } 5391 } 5392 /* 5393 * Make sure the expanded scanned set contains all signatures in the 5394 * existing one. 5395 */ 5396 if (scannedCompatSet.equals(existingSet)) { 5397 // Migrate the old signatures to the new scheme. 5398 existingSigs.assignSignatures(scannedPkg.mSignatures); 5399 // The new KeySets will be re-added later in the scanning process. 5400 synchronized (mPackages) { 5401 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 5402 } 5403 return PackageManager.SIGNATURE_MATCH; 5404 } 5405 return PackageManager.SIGNATURE_NO_MATCH; 5406 } 5407 5408 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5409 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5410 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 5411 } 5412 5413 private int compareSignaturesRecover(PackageSignatures existingSigs, 5414 PackageParser.Package scannedPkg) { 5415 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 5416 return PackageManager.SIGNATURE_NO_MATCH; 5417 } 5418 5419 String msg = null; 5420 try { 5421 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 5422 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 5423 + scannedPkg.packageName); 5424 return PackageManager.SIGNATURE_MATCH; 5425 } 5426 } catch (CertificateException e) { 5427 msg = e.getMessage(); 5428 } 5429 5430 logCriticalInfo(Log.INFO, 5431 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 5432 return PackageManager.SIGNATURE_NO_MATCH; 5433 } 5434 5435 @Override 5436 public List<String> getAllPackages() { 5437 synchronized (mPackages) { 5438 return new ArrayList<String>(mPackages.keySet()); 5439 } 5440 } 5441 5442 @Override 5443 public String[] getPackagesForUid(int uid) { 5444 final int userId = UserHandle.getUserId(uid); 5445 uid = UserHandle.getAppId(uid); 5446 // reader 5447 synchronized (mPackages) { 5448 Object obj = mSettings.getUserIdLPr(uid); 5449 if (obj instanceof SharedUserSetting) { 5450 final SharedUserSetting sus = (SharedUserSetting) obj; 5451 final int N = sus.packages.size(); 5452 String[] res = new String[N]; 5453 final Iterator<PackageSetting> it = sus.packages.iterator(); 5454 int i = 0; 5455 while (it.hasNext()) { 5456 PackageSetting ps = it.next(); 5457 if (ps.getInstalled(userId)) { 5458 res[i++] = ps.name; 5459 } else { 5460 res = ArrayUtils.removeElement(String.class, res, res[i]); 5461 } 5462 } 5463 return res; 5464 } else if (obj instanceof PackageSetting) { 5465 final PackageSetting ps = (PackageSetting) obj; 5466 if (ps.getInstalled(userId)) { 5467 return new String[]{ps.name}; 5468 } 5469 } 5470 } 5471 return null; 5472 } 5473 5474 @Override 5475 public String getNameForUid(int uid) { 5476 // reader 5477 synchronized (mPackages) { 5478 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5479 if (obj instanceof SharedUserSetting) { 5480 final SharedUserSetting sus = (SharedUserSetting) obj; 5481 return sus.name + ":" + sus.userId; 5482 } else if (obj instanceof PackageSetting) { 5483 final PackageSetting ps = (PackageSetting) obj; 5484 return ps.name; 5485 } 5486 } 5487 return null; 5488 } 5489 5490 @Override 5491 public int getUidForSharedUser(String sharedUserName) { 5492 if(sharedUserName == null) { 5493 return -1; 5494 } 5495 // reader 5496 synchronized (mPackages) { 5497 SharedUserSetting suid; 5498 try { 5499 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5500 if (suid != null) { 5501 return suid.userId; 5502 } 5503 } catch (PackageManagerException ignore) { 5504 // can't happen, but, still need to catch it 5505 } 5506 return -1; 5507 } 5508 } 5509 5510 @Override 5511 public int getFlagsForUid(int uid) { 5512 synchronized (mPackages) { 5513 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5514 if (obj instanceof SharedUserSetting) { 5515 final SharedUserSetting sus = (SharedUserSetting) obj; 5516 return sus.pkgFlags; 5517 } else if (obj instanceof PackageSetting) { 5518 final PackageSetting ps = (PackageSetting) obj; 5519 return ps.pkgFlags; 5520 } 5521 } 5522 return 0; 5523 } 5524 5525 @Override 5526 public int getPrivateFlagsForUid(int uid) { 5527 synchronized (mPackages) { 5528 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5529 if (obj instanceof SharedUserSetting) { 5530 final SharedUserSetting sus = (SharedUserSetting) obj; 5531 return sus.pkgPrivateFlags; 5532 } else if (obj instanceof PackageSetting) { 5533 final PackageSetting ps = (PackageSetting) obj; 5534 return ps.pkgPrivateFlags; 5535 } 5536 } 5537 return 0; 5538 } 5539 5540 @Override 5541 public boolean isUidPrivileged(int uid) { 5542 uid = UserHandle.getAppId(uid); 5543 // reader 5544 synchronized (mPackages) { 5545 Object obj = mSettings.getUserIdLPr(uid); 5546 if (obj instanceof SharedUserSetting) { 5547 final SharedUserSetting sus = (SharedUserSetting) obj; 5548 final Iterator<PackageSetting> it = sus.packages.iterator(); 5549 while (it.hasNext()) { 5550 if (it.next().isPrivileged()) { 5551 return true; 5552 } 5553 } 5554 } else if (obj instanceof PackageSetting) { 5555 final PackageSetting ps = (PackageSetting) obj; 5556 return ps.isPrivileged(); 5557 } 5558 } 5559 return false; 5560 } 5561 5562 @Override 5563 public String[] getAppOpPermissionPackages(String permissionName) { 5564 synchronized (mPackages) { 5565 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 5566 if (pkgs == null) { 5567 return null; 5568 } 5569 return pkgs.toArray(new String[pkgs.size()]); 5570 } 5571 } 5572 5573 @Override 5574 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5575 int flags, int userId) { 5576 return resolveIntentInternal( 5577 intent, resolvedType, flags, userId, false /*includeInstantApp*/); 5578 } 5579 5580 private ResolveInfo resolveIntentInternal(Intent intent, String resolvedType, 5581 int flags, int userId, boolean includeInstantApp) { 5582 try { 5583 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5584 5585 if (!sUserManager.exists(userId)) return null; 5586 flags = updateFlagsForResolve(flags, userId, intent, includeInstantApp); 5587 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5588 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5589 5590 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5591 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5592 flags, userId, includeInstantApp); 5593 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5594 5595 final ResolveInfo bestChoice = 5596 chooseBestActivity(intent, resolvedType, flags, query, userId); 5597 return bestChoice; 5598 } finally { 5599 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5600 } 5601 } 5602 5603 @Override 5604 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 5605 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 5606 throw new SecurityException( 5607 "findPersistentPreferredActivity can only be run by the system"); 5608 } 5609 if (!sUserManager.exists(userId)) { 5610 return null; 5611 } 5612 intent = updateIntentForResolve(intent); 5613 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 5614 final int flags = updateFlagsForResolve(0, userId, intent, false); 5615 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5616 userId); 5617 synchronized (mPackages) { 5618 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 5619 userId); 5620 } 5621 } 5622 5623 @Override 5624 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 5625 IntentFilter filter, int match, ComponentName activity) { 5626 final int userId = UserHandle.getCallingUserId(); 5627 if (DEBUG_PREFERRED) { 5628 Log.v(TAG, "setLastChosenActivity intent=" + intent 5629 + " resolvedType=" + resolvedType 5630 + " flags=" + flags 5631 + " filter=" + filter 5632 + " match=" + match 5633 + " activity=" + activity); 5634 filter.dump(new PrintStreamPrinter(System.out), " "); 5635 } 5636 intent.setComponent(null); 5637 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5638 userId); 5639 // Find any earlier preferred or last chosen entries and nuke them 5640 findPreferredActivity(intent, resolvedType, 5641 flags, query, 0, false, true, false, userId); 5642 // Add the new activity as the last chosen for this filter 5643 addPreferredActivityInternal(filter, match, null, activity, false, userId, 5644 "Setting last chosen"); 5645 } 5646 5647 @Override 5648 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 5649 final int userId = UserHandle.getCallingUserId(); 5650 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 5651 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5652 userId); 5653 return findPreferredActivity(intent, resolvedType, flags, query, 0, 5654 false, false, false, userId); 5655 } 5656 5657 /** 5658 * Returns whether or not instant apps have been disabled remotely. 5659 * <p><em>IMPORTANT</em> This should not be called with the package manager lock 5660 * held. Otherwise we run the risk of deadlock. 5661 */ 5662 private boolean isEphemeralDisabled() { 5663 // ephemeral apps have been disabled across the board 5664 if (DISABLE_EPHEMERAL_APPS) { 5665 return true; 5666 } 5667 // system isn't up yet; can't read settings, so, assume no ephemeral apps 5668 if (!mSystemReady) { 5669 return true; 5670 } 5671 // we can't get a content resolver until the system is ready; these checks must happen last 5672 final ContentResolver resolver = mContext.getContentResolver(); 5673 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 5674 return true; 5675 } 5676 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 5677 } 5678 5679 private boolean isEphemeralAllowed( 5680 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 5681 boolean skipPackageCheck) { 5682 final int callingUser = UserHandle.getCallingUserId(); 5683 if (callingUser != UserHandle.USER_SYSTEM) { 5684 return false; 5685 } 5686 if (mInstantAppResolverConnection == null) { 5687 return false; 5688 } 5689 if (mInstantAppInstallerComponent == null) { 5690 return false; 5691 } 5692 if (intent.getComponent() != null) { 5693 return false; 5694 } 5695 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 5696 return false; 5697 } 5698 if (!skipPackageCheck && intent.getPackage() != null) { 5699 return false; 5700 } 5701 final boolean isWebUri = hasWebURI(intent); 5702 if (!isWebUri || intent.getData().getHost() == null) { 5703 return false; 5704 } 5705 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5706 // Or if there's already an ephemeral app installed that handles the action 5707 synchronized (mPackages) { 5708 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 5709 for (int n = 0; n < count; n++) { 5710 ResolveInfo info = resolvedActivities.get(n); 5711 String packageName = info.activityInfo.packageName; 5712 PackageSetting ps = mSettings.mPackages.get(packageName); 5713 if (ps != null) { 5714 // Try to get the status from User settings first 5715 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5716 int status = (int) (packedStatus >> 32); 5717 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5718 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5719 if (DEBUG_EPHEMERAL) { 5720 Slog.v(TAG, "DENY ephemeral apps;" 5721 + " pkg: " + packageName + ", status: " + status); 5722 } 5723 return false; 5724 } 5725 if (ps.getInstantApp(userId)) { 5726 return false; 5727 } 5728 } 5729 } 5730 } 5731 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5732 return true; 5733 } 5734 5735 private void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 5736 Intent origIntent, String resolvedType, String callingPackage, 5737 int userId) { 5738 final Message msg = mHandler.obtainMessage(INSTANT_APP_RESOLUTION_PHASE_TWO, 5739 new InstantAppRequest(responseObj, origIntent, resolvedType, 5740 callingPackage, userId)); 5741 mHandler.sendMessage(msg); 5742 } 5743 5744 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5745 int flags, List<ResolveInfo> query, int userId) { 5746 if (query != null) { 5747 final int N = query.size(); 5748 if (N == 1) { 5749 return query.get(0); 5750 } else if (N > 1) { 5751 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5752 // If there is more than one activity with the same priority, 5753 // then let the user decide between them. 5754 ResolveInfo r0 = query.get(0); 5755 ResolveInfo r1 = query.get(1); 5756 if (DEBUG_INTENT_MATCHING || debug) { 5757 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5758 + r1.activityInfo.name + "=" + r1.priority); 5759 } 5760 // If the first activity has a higher priority, or a different 5761 // default, then it is always desirable to pick it. 5762 if (r0.priority != r1.priority 5763 || r0.preferredOrder != r1.preferredOrder 5764 || r0.isDefault != r1.isDefault) { 5765 return query.get(0); 5766 } 5767 // If we have saved a preference for a preferred activity for 5768 // this Intent, use that. 5769 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5770 flags, query, r0.priority, true, false, debug, userId); 5771 if (ri != null) { 5772 return ri; 5773 } 5774 // If we have an ephemeral app, use it 5775 for (int i = 0; i < N; i++) { 5776 ri = query.get(i); 5777 if (ri.activityInfo.applicationInfo.isInstantApp()) { 5778 return ri; 5779 } 5780 } 5781 ri = new ResolveInfo(mResolveInfo); 5782 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5783 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5784 // If all of the options come from the same package, show the application's 5785 // label and icon instead of the generic resolver's. 5786 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5787 // and then throw away the ResolveInfo itself, meaning that the caller loses 5788 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5789 // a fallback for this case; we only set the target package's resources on 5790 // the ResolveInfo, not the ActivityInfo. 5791 final String intentPackage = intent.getPackage(); 5792 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5793 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5794 ri.resolvePackageName = intentPackage; 5795 if (userNeedsBadging(userId)) { 5796 ri.noResourceId = true; 5797 } else { 5798 ri.icon = appi.icon; 5799 } 5800 ri.iconResourceId = appi.icon; 5801 ri.labelRes = appi.labelRes; 5802 } 5803 ri.activityInfo.applicationInfo = new ApplicationInfo( 5804 ri.activityInfo.applicationInfo); 5805 if (userId != 0) { 5806 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5807 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5808 } 5809 // Make sure that the resolver is displayable in car mode 5810 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5811 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5812 return ri; 5813 } 5814 } 5815 return null; 5816 } 5817 5818 /** 5819 * Return true if the given list is not empty and all of its contents have 5820 * an activityInfo with the given package name. 5821 */ 5822 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5823 if (ArrayUtils.isEmpty(list)) { 5824 return false; 5825 } 5826 for (int i = 0, N = list.size(); i < N; i++) { 5827 final ResolveInfo ri = list.get(i); 5828 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5829 if (ai == null || !packageName.equals(ai.packageName)) { 5830 return false; 5831 } 5832 } 5833 return true; 5834 } 5835 5836 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5837 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5838 final int N = query.size(); 5839 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5840 .get(userId); 5841 // Get the list of persistent preferred activities that handle the intent 5842 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5843 List<PersistentPreferredActivity> pprefs = ppir != null 5844 ? ppir.queryIntent(intent, resolvedType, 5845 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5846 userId) 5847 : null; 5848 if (pprefs != null && pprefs.size() > 0) { 5849 final int M = pprefs.size(); 5850 for (int i=0; i<M; i++) { 5851 final PersistentPreferredActivity ppa = pprefs.get(i); 5852 if (DEBUG_PREFERRED || debug) { 5853 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5854 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5855 + "\n component=" + ppa.mComponent); 5856 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5857 } 5858 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5859 flags | MATCH_DISABLED_COMPONENTS, userId); 5860 if (DEBUG_PREFERRED || debug) { 5861 Slog.v(TAG, "Found persistent preferred activity:"); 5862 if (ai != null) { 5863 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5864 } else { 5865 Slog.v(TAG, " null"); 5866 } 5867 } 5868 if (ai == null) { 5869 // This previously registered persistent preferred activity 5870 // component is no longer known. Ignore it and do NOT remove it. 5871 continue; 5872 } 5873 for (int j=0; j<N; j++) { 5874 final ResolveInfo ri = query.get(j); 5875 if (!ri.activityInfo.applicationInfo.packageName 5876 .equals(ai.applicationInfo.packageName)) { 5877 continue; 5878 } 5879 if (!ri.activityInfo.name.equals(ai.name)) { 5880 continue; 5881 } 5882 // Found a persistent preference that can handle the intent. 5883 if (DEBUG_PREFERRED || debug) { 5884 Slog.v(TAG, "Returning persistent preferred activity: " + 5885 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5886 } 5887 return ri; 5888 } 5889 } 5890 } 5891 return null; 5892 } 5893 5894 // TODO: handle preferred activities missing while user has amnesia 5895 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5896 List<ResolveInfo> query, int priority, boolean always, 5897 boolean removeMatches, boolean debug, int userId) { 5898 if (!sUserManager.exists(userId)) return null; 5899 flags = updateFlagsForResolve(flags, userId, intent, false); 5900 intent = updateIntentForResolve(intent); 5901 // writer 5902 synchronized (mPackages) { 5903 // Try to find a matching persistent preferred activity. 5904 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5905 debug, userId); 5906 5907 // If a persistent preferred activity matched, use it. 5908 if (pri != null) { 5909 return pri; 5910 } 5911 5912 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5913 // Get the list of preferred activities that handle the intent 5914 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5915 List<PreferredActivity> prefs = pir != null 5916 ? pir.queryIntent(intent, resolvedType, 5917 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5918 userId) 5919 : null; 5920 if (prefs != null && prefs.size() > 0) { 5921 boolean changed = false; 5922 try { 5923 // First figure out how good the original match set is. 5924 // We will only allow preferred activities that came 5925 // from the same match quality. 5926 int match = 0; 5927 5928 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5929 5930 final int N = query.size(); 5931 for (int j=0; j<N; j++) { 5932 final ResolveInfo ri = query.get(j); 5933 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5934 + ": 0x" + Integer.toHexString(match)); 5935 if (ri.match > match) { 5936 match = ri.match; 5937 } 5938 } 5939 5940 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5941 + Integer.toHexString(match)); 5942 5943 match &= IntentFilter.MATCH_CATEGORY_MASK; 5944 final int M = prefs.size(); 5945 for (int i=0; i<M; i++) { 5946 final PreferredActivity pa = prefs.get(i); 5947 if (DEBUG_PREFERRED || debug) { 5948 Slog.v(TAG, "Checking PreferredActivity ds=" 5949 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5950 + "\n component=" + pa.mPref.mComponent); 5951 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5952 } 5953 if (pa.mPref.mMatch != match) { 5954 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5955 + Integer.toHexString(pa.mPref.mMatch)); 5956 continue; 5957 } 5958 // If it's not an "always" type preferred activity and that's what we're 5959 // looking for, skip it. 5960 if (always && !pa.mPref.mAlways) { 5961 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5962 continue; 5963 } 5964 final ActivityInfo ai = getActivityInfo( 5965 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5966 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5967 userId); 5968 if (DEBUG_PREFERRED || debug) { 5969 Slog.v(TAG, "Found preferred activity:"); 5970 if (ai != null) { 5971 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5972 } else { 5973 Slog.v(TAG, " null"); 5974 } 5975 } 5976 if (ai == null) { 5977 // This previously registered preferred activity 5978 // component is no longer known. Most likely an update 5979 // to the app was installed and in the new version this 5980 // component no longer exists. Clean it up by removing 5981 // it from the preferred activities list, and skip it. 5982 Slog.w(TAG, "Removing dangling preferred activity: " 5983 + pa.mPref.mComponent); 5984 pir.removeFilter(pa); 5985 changed = true; 5986 continue; 5987 } 5988 for (int j=0; j<N; j++) { 5989 final ResolveInfo ri = query.get(j); 5990 if (!ri.activityInfo.applicationInfo.packageName 5991 .equals(ai.applicationInfo.packageName)) { 5992 continue; 5993 } 5994 if (!ri.activityInfo.name.equals(ai.name)) { 5995 continue; 5996 } 5997 5998 if (removeMatches) { 5999 pir.removeFilter(pa); 6000 changed = true; 6001 if (DEBUG_PREFERRED) { 6002 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 6003 } 6004 break; 6005 } 6006 6007 // Okay we found a previously set preferred or last chosen app. 6008 // If the result set is different from when this 6009 // was created, we need to clear it and re-ask the 6010 // user their preference, if we're looking for an "always" type entry. 6011 if (always && !pa.mPref.sameSet(query)) { 6012 Slog.i(TAG, "Result set changed, dropping preferred activity for " 6013 + intent + " type " + resolvedType); 6014 if (DEBUG_PREFERRED) { 6015 Slog.v(TAG, "Removing preferred activity since set changed " 6016 + pa.mPref.mComponent); 6017 } 6018 pir.removeFilter(pa); 6019 // Re-add the filter as a "last chosen" entry (!always) 6020 PreferredActivity lastChosen = new PreferredActivity( 6021 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 6022 pir.addFilter(lastChosen); 6023 changed = true; 6024 return null; 6025 } 6026 6027 // Yay! Either the set matched or we're looking for the last chosen 6028 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 6029 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6030 return ri; 6031 } 6032 } 6033 } finally { 6034 if (changed) { 6035 if (DEBUG_PREFERRED) { 6036 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 6037 } 6038 scheduleWritePackageRestrictionsLocked(userId); 6039 } 6040 } 6041 } 6042 } 6043 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 6044 return null; 6045 } 6046 6047 /* 6048 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 6049 */ 6050 @Override 6051 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 6052 int targetUserId) { 6053 mContext.enforceCallingOrSelfPermission( 6054 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 6055 List<CrossProfileIntentFilter> matches = 6056 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 6057 if (matches != null) { 6058 int size = matches.size(); 6059 for (int i = 0; i < size; i++) { 6060 if (matches.get(i).getTargetUserId() == targetUserId) return true; 6061 } 6062 } 6063 if (hasWebURI(intent)) { 6064 // cross-profile app linking works only towards the parent. 6065 final UserInfo parent = getProfileParent(sourceUserId); 6066 synchronized(mPackages) { 6067 int flags = updateFlagsForResolve(0, parent.id, intent, false); 6068 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 6069 intent, resolvedType, flags, sourceUserId, parent.id); 6070 return xpDomainInfo != null; 6071 } 6072 } 6073 return false; 6074 } 6075 6076 private UserInfo getProfileParent(int userId) { 6077 final long identity = Binder.clearCallingIdentity(); 6078 try { 6079 return sUserManager.getProfileParent(userId); 6080 } finally { 6081 Binder.restoreCallingIdentity(identity); 6082 } 6083 } 6084 6085 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 6086 String resolvedType, int userId) { 6087 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 6088 if (resolver != null) { 6089 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, userId); 6090 } 6091 return null; 6092 } 6093 6094 @Override 6095 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 6096 String resolvedType, int flags, int userId) { 6097 try { 6098 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 6099 6100 return new ParceledListSlice<>( 6101 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 6102 } finally { 6103 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6104 } 6105 } 6106 6107 /** 6108 * Returns the package name of the calling Uid if it's an instant app. If it isn't 6109 * instant, returns {@code null}. 6110 */ 6111 private String getInstantAppPackageName(int callingUid) { 6112 final int appId = UserHandle.getAppId(callingUid); 6113 synchronized (mPackages) { 6114 final Object obj = mSettings.getUserIdLPr(appId); 6115 if (obj instanceof PackageSetting) { 6116 final PackageSetting ps = (PackageSetting) obj; 6117 final boolean isInstantApp = ps.getInstantApp(UserHandle.getUserId(callingUid)); 6118 return isInstantApp ? ps.pkg.packageName : null; 6119 } 6120 } 6121 return null; 6122 } 6123 6124 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6125 String resolvedType, int flags, int userId) { 6126 return queryIntentActivitiesInternal(intent, resolvedType, flags, userId, false); 6127 } 6128 6129 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6130 String resolvedType, int flags, int userId, boolean includeInstantApp) { 6131 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6132 final String instantAppPkgName = getInstantAppPackageName(Binder.getCallingUid()); 6133 flags = updateFlagsForResolve(flags, userId, intent, includeInstantApp); 6134 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6135 false /* requireFullPermission */, false /* checkShell */, 6136 "query intent activities"); 6137 ComponentName comp = intent.getComponent(); 6138 if (comp == null) { 6139 if (intent.getSelector() != null) { 6140 intent = intent.getSelector(); 6141 comp = intent.getComponent(); 6142 } 6143 } 6144 6145 if (comp != null) { 6146 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6147 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 6148 if (ai != null) { 6149 // When specifying an explicit component, we prevent the activity from being 6150 // used when either 1) the calling package is normal and the activity is within 6151 // an ephemeral application or 2) the calling package is ephemeral and the 6152 // activity is not visible to ephemeral applications. 6153 final boolean matchInstantApp = 6154 (flags & PackageManager.MATCH_INSTANT) != 0; 6155 final boolean matchVisibleToInstantAppOnly = 6156 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 6157 final boolean isCallerInstantApp = 6158 instantAppPkgName != null; 6159 final boolean isTargetSameInstantApp = 6160 comp.getPackageName().equals(instantAppPkgName); 6161 final boolean isTargetInstantApp = 6162 (ai.applicationInfo.privateFlags 6163 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 6164 final boolean isTargetHiddenFromInstantApp = 6165 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0; 6166 final boolean blockResolution = 6167 !isTargetSameInstantApp 6168 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 6169 || (matchVisibleToInstantAppOnly && isCallerInstantApp 6170 && isTargetHiddenFromInstantApp)); 6171 if (!blockResolution) { 6172 final ResolveInfo ri = new ResolveInfo(); 6173 ri.activityInfo = ai; 6174 list.add(ri); 6175 } 6176 } 6177 return applyPostResolutionFilter(list, instantAppPkgName); 6178 } 6179 6180 // reader 6181 boolean sortResult = false; 6182 boolean addEphemeral = false; 6183 List<ResolveInfo> result; 6184 final String pkgName = intent.getPackage(); 6185 final boolean ephemeralDisabled = isEphemeralDisabled(); 6186 synchronized (mPackages) { 6187 if (pkgName == null) { 6188 List<CrossProfileIntentFilter> matchingFilters = 6189 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 6190 // Check for results that need to skip the current profile. 6191 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 6192 resolvedType, flags, userId); 6193 if (xpResolveInfo != null) { 6194 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 6195 xpResult.add(xpResolveInfo); 6196 return applyPostResolutionFilter( 6197 filterIfNotSystemUser(xpResult, userId), instantAppPkgName); 6198 } 6199 6200 // Check for results in the current profile. 6201 result = filterIfNotSystemUser(mActivities.queryIntent( 6202 intent, resolvedType, flags, userId), userId); 6203 addEphemeral = !ephemeralDisabled 6204 && isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 6205 6206 // Check for cross profile results. 6207 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 6208 xpResolveInfo = queryCrossProfileIntents( 6209 matchingFilters, intent, resolvedType, flags, userId, 6210 hasNonNegativePriorityResult); 6211 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 6212 boolean isVisibleToUser = filterIfNotSystemUser( 6213 Collections.singletonList(xpResolveInfo), userId).size() > 0; 6214 if (isVisibleToUser) { 6215 result.add(xpResolveInfo); 6216 sortResult = true; 6217 } 6218 } 6219 if (hasWebURI(intent)) { 6220 CrossProfileDomainInfo xpDomainInfo = null; 6221 final UserInfo parent = getProfileParent(userId); 6222 if (parent != null) { 6223 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 6224 flags, userId, parent.id); 6225 } 6226 if (xpDomainInfo != null) { 6227 if (xpResolveInfo != null) { 6228 // If we didn't remove it, the cross-profile ResolveInfo would be twice 6229 // in the result. 6230 result.remove(xpResolveInfo); 6231 } 6232 if (result.size() == 0 && !addEphemeral) { 6233 // No result in current profile, but found candidate in parent user. 6234 // And we are not going to add emphemeral app, so we can return the 6235 // result straight away. 6236 result.add(xpDomainInfo.resolveInfo); 6237 return applyPostResolutionFilter(result, instantAppPkgName); 6238 } 6239 } else if (result.size() <= 1 && !addEphemeral) { 6240 // No result in parent user and <= 1 result in current profile, and we 6241 // are not going to add emphemeral app, so we can return the result without 6242 // further processing. 6243 return applyPostResolutionFilter(result, instantAppPkgName); 6244 } 6245 // We have more than one candidate (combining results from current and parent 6246 // profile), so we need filtering and sorting. 6247 result = filterCandidatesWithDomainPreferredActivitiesLPr( 6248 intent, flags, result, xpDomainInfo, userId); 6249 sortResult = true; 6250 } 6251 } else { 6252 final PackageParser.Package pkg = mPackages.get(pkgName); 6253 if (pkg != null) { 6254 result = applyPostResolutionFilter(filterIfNotSystemUser( 6255 mActivities.queryIntentForPackage( 6256 intent, resolvedType, flags, pkg.activities, userId), 6257 userId), instantAppPkgName); 6258 } else { 6259 // the caller wants to resolve for a particular package; however, there 6260 // were no installed results, so, try to find an ephemeral result 6261 addEphemeral = !ephemeralDisabled 6262 && isEphemeralAllowed( 6263 intent, null /*result*/, userId, true /*skipPackageCheck*/); 6264 result = new ArrayList<ResolveInfo>(); 6265 } 6266 } 6267 } 6268 if (addEphemeral) { 6269 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 6270 final InstantAppRequest requestObject = new InstantAppRequest( 6271 null /*responseObj*/, intent /*origIntent*/, resolvedType, 6272 null /*callingPackage*/, userId); 6273 final AuxiliaryResolveInfo auxiliaryResponse = 6274 InstantAppResolver.doInstantAppResolutionPhaseOne( 6275 mContext, mInstantAppResolverConnection, requestObject); 6276 if (auxiliaryResponse != null) { 6277 if (DEBUG_EPHEMERAL) { 6278 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6279 } 6280 final ResolveInfo ephemeralInstaller = new ResolveInfo(mInstantAppInstallerInfo); 6281 ephemeralInstaller.activityInfo = new ActivityInfo(mInstantAppInstallerActivity); 6282 ephemeralInstaller.activityInfo.launchToken = auxiliaryResponse.token; 6283 ephemeralInstaller.auxiliaryInfo = auxiliaryResponse; 6284 // make sure this resolver is the default 6285 ephemeralInstaller.isDefault = true; 6286 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6287 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6288 // add a non-generic filter 6289 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 6290 ephemeralInstaller.filter.addDataPath( 6291 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 6292 ephemeralInstaller.instantAppAvailable = true; 6293 result.add(ephemeralInstaller); 6294 } 6295 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6296 } 6297 if (sortResult) { 6298 Collections.sort(result, mResolvePrioritySorter); 6299 } 6300 return applyPostResolutionFilter(result, instantAppPkgName); 6301 } 6302 6303 private static class CrossProfileDomainInfo { 6304 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 6305 ResolveInfo resolveInfo; 6306 /* Best domain verification status of the activities found in the other profile */ 6307 int bestDomainVerificationStatus; 6308 } 6309 6310 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 6311 String resolvedType, int flags, int sourceUserId, int parentUserId) { 6312 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 6313 sourceUserId)) { 6314 return null; 6315 } 6316 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6317 resolvedType, flags, parentUserId); 6318 6319 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 6320 return null; 6321 } 6322 CrossProfileDomainInfo result = null; 6323 int size = resultTargetUser.size(); 6324 for (int i = 0; i < size; i++) { 6325 ResolveInfo riTargetUser = resultTargetUser.get(i); 6326 // Intent filter verification is only for filters that specify a host. So don't return 6327 // those that handle all web uris. 6328 if (riTargetUser.handleAllWebDataURI) { 6329 continue; 6330 } 6331 String packageName = riTargetUser.activityInfo.packageName; 6332 PackageSetting ps = mSettings.mPackages.get(packageName); 6333 if (ps == null) { 6334 continue; 6335 } 6336 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 6337 int status = (int)(verificationState >> 32); 6338 if (result == null) { 6339 result = new CrossProfileDomainInfo(); 6340 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 6341 sourceUserId, parentUserId); 6342 result.bestDomainVerificationStatus = status; 6343 } else { 6344 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 6345 result.bestDomainVerificationStatus); 6346 } 6347 } 6348 // Don't consider matches with status NEVER across profiles. 6349 if (result != null && result.bestDomainVerificationStatus 6350 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6351 return null; 6352 } 6353 return result; 6354 } 6355 6356 /** 6357 * Verification statuses are ordered from the worse to the best, except for 6358 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 6359 */ 6360 private int bestDomainVerificationStatus(int status1, int status2) { 6361 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6362 return status2; 6363 } 6364 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6365 return status1; 6366 } 6367 return (int) MathUtils.max(status1, status2); 6368 } 6369 6370 private boolean isUserEnabled(int userId) { 6371 long callingId = Binder.clearCallingIdentity(); 6372 try { 6373 UserInfo userInfo = sUserManager.getUserInfo(userId); 6374 return userInfo != null && userInfo.isEnabled(); 6375 } finally { 6376 Binder.restoreCallingIdentity(callingId); 6377 } 6378 } 6379 6380 /** 6381 * Filter out activities with systemUserOnly flag set, when current user is not System. 6382 * 6383 * @return filtered list 6384 */ 6385 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 6386 if (userId == UserHandle.USER_SYSTEM) { 6387 return resolveInfos; 6388 } 6389 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6390 ResolveInfo info = resolveInfos.get(i); 6391 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 6392 resolveInfos.remove(i); 6393 } 6394 } 6395 return resolveInfos; 6396 } 6397 6398 /** 6399 * Filters out ephemeral activities. 6400 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 6401 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 6402 * 6403 * @param resolveInfos The pre-filtered list of resolved activities 6404 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 6405 * is performed. 6406 * @return A filtered list of resolved activities. 6407 */ 6408 private List<ResolveInfo> applyPostResolutionFilter(List<ResolveInfo> resolveInfos, 6409 String ephemeralPkgName) { 6410 // TODO: When adding on-demand split support for non-instant apps, remove this check 6411 // and always apply post filtering 6412 if (ephemeralPkgName == null) { 6413 return resolveInfos; 6414 } 6415 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6416 final ResolveInfo info = resolveInfos.get(i); 6417 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isInstantApp(); 6418 // allow activities that are defined in the provided package 6419 if (isEphemeralApp && ephemeralPkgName.equals(info.activityInfo.packageName)) { 6420 if (info.activityInfo.splitName != null 6421 && !ArrayUtils.contains(info.activityInfo.applicationInfo.splitNames, 6422 info.activityInfo.splitName)) { 6423 // requested activity is defined in a split that hasn't been installed yet. 6424 // add the installer to the resolve list 6425 if (DEBUG_EPHEMERAL) { 6426 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6427 } 6428 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 6429 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 6430 info.activityInfo.packageName, info.activityInfo.splitName, 6431 info.activityInfo.applicationInfo.versionCode); 6432 // make sure this resolver is the default 6433 installerInfo.isDefault = true; 6434 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6435 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6436 // add a non-generic filter 6437 installerInfo.filter = new IntentFilter(); 6438 // load resources from the correct package 6439 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 6440 resolveInfos.set(i, installerInfo); 6441 } 6442 continue; 6443 } 6444 // allow activities that have been explicitly exposed to ephemeral apps 6445 if (!isEphemeralApp 6446 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) != 0)) { 6447 continue; 6448 } 6449 resolveInfos.remove(i); 6450 } 6451 return resolveInfos; 6452 } 6453 6454 /** 6455 * @param resolveInfos list of resolve infos in descending priority order 6456 * @return if the list contains a resolve info with non-negative priority 6457 */ 6458 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 6459 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 6460 } 6461 6462 private static boolean hasWebURI(Intent intent) { 6463 if (intent.getData() == null) { 6464 return false; 6465 } 6466 final String scheme = intent.getScheme(); 6467 if (TextUtils.isEmpty(scheme)) { 6468 return false; 6469 } 6470 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 6471 } 6472 6473 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 6474 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 6475 int userId) { 6476 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 6477 6478 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6479 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 6480 candidates.size()); 6481 } 6482 6483 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 6484 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 6485 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 6486 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 6487 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 6488 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 6489 6490 synchronized (mPackages) { 6491 final int count = candidates.size(); 6492 // First, try to use linked apps. Partition the candidates into four lists: 6493 // one for the final results, one for the "do not use ever", one for "undefined status" 6494 // and finally one for "browser app type". 6495 for (int n=0; n<count; n++) { 6496 ResolveInfo info = candidates.get(n); 6497 String packageName = info.activityInfo.packageName; 6498 PackageSetting ps = mSettings.mPackages.get(packageName); 6499 if (ps != null) { 6500 // Add to the special match all list (Browser use case) 6501 if (info.handleAllWebDataURI) { 6502 matchAllList.add(info); 6503 continue; 6504 } 6505 // Try to get the status from User settings first 6506 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6507 int status = (int)(packedStatus >> 32); 6508 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6509 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 6510 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6511 Slog.i(TAG, " + always: " + info.activityInfo.packageName 6512 + " : linkgen=" + linkGeneration); 6513 } 6514 // Use link-enabled generation as preferredOrder, i.e. 6515 // prefer newly-enabled over earlier-enabled. 6516 info.preferredOrder = linkGeneration; 6517 alwaysList.add(info); 6518 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6519 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6520 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 6521 } 6522 neverList.add(info); 6523 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6524 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6525 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 6526 } 6527 alwaysAskList.add(info); 6528 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 6529 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 6530 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6531 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 6532 } 6533 undefinedList.add(info); 6534 } 6535 } 6536 } 6537 6538 // We'll want to include browser possibilities in a few cases 6539 boolean includeBrowser = false; 6540 6541 // First try to add the "always" resolution(s) for the current user, if any 6542 if (alwaysList.size() > 0) { 6543 result.addAll(alwaysList); 6544 } else { 6545 // Add all undefined apps as we want them to appear in the disambiguation dialog. 6546 result.addAll(undefinedList); 6547 // Maybe add one for the other profile. 6548 if (xpDomainInfo != null && ( 6549 xpDomainInfo.bestDomainVerificationStatus 6550 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 6551 result.add(xpDomainInfo.resolveInfo); 6552 } 6553 includeBrowser = true; 6554 } 6555 6556 // The presence of any 'always ask' alternatives means we'll also offer browsers. 6557 // If there were 'always' entries their preferred order has been set, so we also 6558 // back that off to make the alternatives equivalent 6559 if (alwaysAskList.size() > 0) { 6560 for (ResolveInfo i : result) { 6561 i.preferredOrder = 0; 6562 } 6563 result.addAll(alwaysAskList); 6564 includeBrowser = true; 6565 } 6566 6567 if (includeBrowser) { 6568 // Also add browsers (all of them or only the default one) 6569 if (DEBUG_DOMAIN_VERIFICATION) { 6570 Slog.v(TAG, " ...including browsers in candidate set"); 6571 } 6572 if ((matchFlags & MATCH_ALL) != 0) { 6573 result.addAll(matchAllList); 6574 } else { 6575 // Browser/generic handling case. If there's a default browser, go straight 6576 // to that (but only if there is no other higher-priority match). 6577 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 6578 int maxMatchPrio = 0; 6579 ResolveInfo defaultBrowserMatch = null; 6580 final int numCandidates = matchAllList.size(); 6581 for (int n = 0; n < numCandidates; n++) { 6582 ResolveInfo info = matchAllList.get(n); 6583 // track the highest overall match priority... 6584 if (info.priority > maxMatchPrio) { 6585 maxMatchPrio = info.priority; 6586 } 6587 // ...and the highest-priority default browser match 6588 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 6589 if (defaultBrowserMatch == null 6590 || (defaultBrowserMatch.priority < info.priority)) { 6591 if (debug) { 6592 Slog.v(TAG, "Considering default browser match " + info); 6593 } 6594 defaultBrowserMatch = info; 6595 } 6596 } 6597 } 6598 if (defaultBrowserMatch != null 6599 && defaultBrowserMatch.priority >= maxMatchPrio 6600 && !TextUtils.isEmpty(defaultBrowserPackageName)) 6601 { 6602 if (debug) { 6603 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 6604 } 6605 result.add(defaultBrowserMatch); 6606 } else { 6607 result.addAll(matchAllList); 6608 } 6609 } 6610 6611 // If there is nothing selected, add all candidates and remove the ones that the user 6612 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 6613 if (result.size() == 0) { 6614 result.addAll(candidates); 6615 result.removeAll(neverList); 6616 } 6617 } 6618 } 6619 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6620 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 6621 result.size()); 6622 for (ResolveInfo info : result) { 6623 Slog.v(TAG, " + " + info.activityInfo); 6624 } 6625 } 6626 return result; 6627 } 6628 6629 // Returns a packed value as a long: 6630 // 6631 // high 'int'-sized word: link status: undefined/ask/never/always. 6632 // low 'int'-sized word: relative priority among 'always' results. 6633 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 6634 long result = ps.getDomainVerificationStatusForUser(userId); 6635 // if none available, get the master status 6636 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 6637 if (ps.getIntentFilterVerificationInfo() != null) { 6638 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 6639 } 6640 } 6641 return result; 6642 } 6643 6644 private ResolveInfo querySkipCurrentProfileIntents( 6645 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6646 int flags, int sourceUserId) { 6647 if (matchingFilters != null) { 6648 int size = matchingFilters.size(); 6649 for (int i = 0; i < size; i ++) { 6650 CrossProfileIntentFilter filter = matchingFilters.get(i); 6651 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 6652 // Checking if there are activities in the target user that can handle the 6653 // intent. 6654 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6655 resolvedType, flags, sourceUserId); 6656 if (resolveInfo != null) { 6657 return resolveInfo; 6658 } 6659 } 6660 } 6661 } 6662 return null; 6663 } 6664 6665 // Return matching ResolveInfo in target user if any. 6666 private ResolveInfo queryCrossProfileIntents( 6667 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6668 int flags, int sourceUserId, boolean matchInCurrentProfile) { 6669 if (matchingFilters != null) { 6670 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 6671 // match the same intent. For performance reasons, it is better not to 6672 // run queryIntent twice for the same userId 6673 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 6674 int size = matchingFilters.size(); 6675 for (int i = 0; i < size; i++) { 6676 CrossProfileIntentFilter filter = matchingFilters.get(i); 6677 int targetUserId = filter.getTargetUserId(); 6678 boolean skipCurrentProfile = 6679 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 6680 boolean skipCurrentProfileIfNoMatchFound = 6681 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 6682 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 6683 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 6684 // Checking if there are activities in the target user that can handle the 6685 // intent. 6686 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6687 resolvedType, flags, sourceUserId); 6688 if (resolveInfo != null) return resolveInfo; 6689 alreadyTriedUserIds.put(targetUserId, true); 6690 } 6691 } 6692 } 6693 return null; 6694 } 6695 6696 /** 6697 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 6698 * will forward the intent to the filter's target user. 6699 * Otherwise, returns null. 6700 */ 6701 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 6702 String resolvedType, int flags, int sourceUserId) { 6703 int targetUserId = filter.getTargetUserId(); 6704 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6705 resolvedType, flags, targetUserId); 6706 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 6707 // If all the matches in the target profile are suspended, return null. 6708 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 6709 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 6710 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 6711 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 6712 targetUserId); 6713 } 6714 } 6715 } 6716 return null; 6717 } 6718 6719 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 6720 int sourceUserId, int targetUserId) { 6721 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 6722 long ident = Binder.clearCallingIdentity(); 6723 boolean targetIsProfile; 6724 try { 6725 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 6726 } finally { 6727 Binder.restoreCallingIdentity(ident); 6728 } 6729 String className; 6730 if (targetIsProfile) { 6731 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 6732 } else { 6733 className = FORWARD_INTENT_TO_PARENT; 6734 } 6735 ComponentName forwardingActivityComponentName = new ComponentName( 6736 mAndroidApplication.packageName, className); 6737 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 6738 sourceUserId); 6739 if (!targetIsProfile) { 6740 forwardingActivityInfo.showUserIcon = targetUserId; 6741 forwardingResolveInfo.noResourceId = true; 6742 } 6743 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 6744 forwardingResolveInfo.priority = 0; 6745 forwardingResolveInfo.preferredOrder = 0; 6746 forwardingResolveInfo.match = 0; 6747 forwardingResolveInfo.isDefault = true; 6748 forwardingResolveInfo.filter = filter; 6749 forwardingResolveInfo.targetUserId = targetUserId; 6750 return forwardingResolveInfo; 6751 } 6752 6753 @Override 6754 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 6755 Intent[] specifics, String[] specificTypes, Intent intent, 6756 String resolvedType, int flags, int userId) { 6757 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 6758 specificTypes, intent, resolvedType, flags, userId)); 6759 } 6760 6761 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 6762 Intent[] specifics, String[] specificTypes, Intent intent, 6763 String resolvedType, int flags, int userId) { 6764 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6765 flags = updateFlagsForResolve(flags, userId, intent, false); 6766 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6767 false /* requireFullPermission */, false /* checkShell */, 6768 "query intent activity options"); 6769 final String resultsAction = intent.getAction(); 6770 6771 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 6772 | PackageManager.GET_RESOLVED_FILTER, userId); 6773 6774 if (DEBUG_INTENT_MATCHING) { 6775 Log.v(TAG, "Query " + intent + ": " + results); 6776 } 6777 6778 int specificsPos = 0; 6779 int N; 6780 6781 // todo: note that the algorithm used here is O(N^2). This 6782 // isn't a problem in our current environment, but if we start running 6783 // into situations where we have more than 5 or 10 matches then this 6784 // should probably be changed to something smarter... 6785 6786 // First we go through and resolve each of the specific items 6787 // that were supplied, taking care of removing any corresponding 6788 // duplicate items in the generic resolve list. 6789 if (specifics != null) { 6790 for (int i=0; i<specifics.length; i++) { 6791 final Intent sintent = specifics[i]; 6792 if (sintent == null) { 6793 continue; 6794 } 6795 6796 if (DEBUG_INTENT_MATCHING) { 6797 Log.v(TAG, "Specific #" + i + ": " + sintent); 6798 } 6799 6800 String action = sintent.getAction(); 6801 if (resultsAction != null && resultsAction.equals(action)) { 6802 // If this action was explicitly requested, then don't 6803 // remove things that have it. 6804 action = null; 6805 } 6806 6807 ResolveInfo ri = null; 6808 ActivityInfo ai = null; 6809 6810 ComponentName comp = sintent.getComponent(); 6811 if (comp == null) { 6812 ri = resolveIntent( 6813 sintent, 6814 specificTypes != null ? specificTypes[i] : null, 6815 flags, userId); 6816 if (ri == null) { 6817 continue; 6818 } 6819 if (ri == mResolveInfo) { 6820 // ACK! Must do something better with this. 6821 } 6822 ai = ri.activityInfo; 6823 comp = new ComponentName(ai.applicationInfo.packageName, 6824 ai.name); 6825 } else { 6826 ai = getActivityInfo(comp, flags, userId); 6827 if (ai == null) { 6828 continue; 6829 } 6830 } 6831 6832 // Look for any generic query activities that are duplicates 6833 // of this specific one, and remove them from the results. 6834 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6835 N = results.size(); 6836 int j; 6837 for (j=specificsPos; j<N; j++) { 6838 ResolveInfo sri = results.get(j); 6839 if ((sri.activityInfo.name.equals(comp.getClassName()) 6840 && sri.activityInfo.applicationInfo.packageName.equals( 6841 comp.getPackageName())) 6842 || (action != null && sri.filter.matchAction(action))) { 6843 results.remove(j); 6844 if (DEBUG_INTENT_MATCHING) Log.v( 6845 TAG, "Removing duplicate item from " + j 6846 + " due to specific " + specificsPos); 6847 if (ri == null) { 6848 ri = sri; 6849 } 6850 j--; 6851 N--; 6852 } 6853 } 6854 6855 // Add this specific item to its proper place. 6856 if (ri == null) { 6857 ri = new ResolveInfo(); 6858 ri.activityInfo = ai; 6859 } 6860 results.add(specificsPos, ri); 6861 ri.specificIndex = i; 6862 specificsPos++; 6863 } 6864 } 6865 6866 // Now we go through the remaining generic results and remove any 6867 // duplicate actions that are found here. 6868 N = results.size(); 6869 for (int i=specificsPos; i<N-1; i++) { 6870 final ResolveInfo rii = results.get(i); 6871 if (rii.filter == null) { 6872 continue; 6873 } 6874 6875 // Iterate over all of the actions of this result's intent 6876 // filter... typically this should be just one. 6877 final Iterator<String> it = rii.filter.actionsIterator(); 6878 if (it == null) { 6879 continue; 6880 } 6881 while (it.hasNext()) { 6882 final String action = it.next(); 6883 if (resultsAction != null && resultsAction.equals(action)) { 6884 // If this action was explicitly requested, then don't 6885 // remove things that have it. 6886 continue; 6887 } 6888 for (int j=i+1; j<N; j++) { 6889 final ResolveInfo rij = results.get(j); 6890 if (rij.filter != null && rij.filter.hasAction(action)) { 6891 results.remove(j); 6892 if (DEBUG_INTENT_MATCHING) Log.v( 6893 TAG, "Removing duplicate item from " + j 6894 + " due to action " + action + " at " + i); 6895 j--; 6896 N--; 6897 } 6898 } 6899 } 6900 6901 // If the caller didn't request filter information, drop it now 6902 // so we don't have to marshall/unmarshall it. 6903 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6904 rii.filter = null; 6905 } 6906 } 6907 6908 // Filter out the caller activity if so requested. 6909 if (caller != null) { 6910 N = results.size(); 6911 for (int i=0; i<N; i++) { 6912 ActivityInfo ainfo = results.get(i).activityInfo; 6913 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6914 && caller.getClassName().equals(ainfo.name)) { 6915 results.remove(i); 6916 break; 6917 } 6918 } 6919 } 6920 6921 // If the caller didn't request filter information, 6922 // drop them now so we don't have to 6923 // marshall/unmarshall it. 6924 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6925 N = results.size(); 6926 for (int i=0; i<N; i++) { 6927 results.get(i).filter = null; 6928 } 6929 } 6930 6931 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6932 return results; 6933 } 6934 6935 @Override 6936 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6937 String resolvedType, int flags, int userId) { 6938 return new ParceledListSlice<>( 6939 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6940 } 6941 6942 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6943 String resolvedType, int flags, int userId) { 6944 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6945 flags = updateFlagsForResolve(flags, userId, intent, false); 6946 ComponentName comp = intent.getComponent(); 6947 if (comp == null) { 6948 if (intent.getSelector() != null) { 6949 intent = intent.getSelector(); 6950 comp = intent.getComponent(); 6951 } 6952 } 6953 if (comp != null) { 6954 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6955 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6956 if (ai != null) { 6957 ResolveInfo ri = new ResolveInfo(); 6958 ri.activityInfo = ai; 6959 list.add(ri); 6960 } 6961 return list; 6962 } 6963 6964 // reader 6965 synchronized (mPackages) { 6966 String pkgName = intent.getPackage(); 6967 if (pkgName == null) { 6968 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6969 } 6970 final PackageParser.Package pkg = mPackages.get(pkgName); 6971 if (pkg != null) { 6972 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6973 userId); 6974 } 6975 return Collections.emptyList(); 6976 } 6977 } 6978 6979 @Override 6980 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6981 if (!sUserManager.exists(userId)) return null; 6982 flags = updateFlagsForResolve(flags, userId, intent, false); 6983 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6984 if (query != null) { 6985 if (query.size() >= 1) { 6986 // If there is more than one service with the same priority, 6987 // just arbitrarily pick the first one. 6988 return query.get(0); 6989 } 6990 } 6991 return null; 6992 } 6993 6994 @Override 6995 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6996 String resolvedType, int flags, int userId) { 6997 return new ParceledListSlice<>( 6998 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6999 } 7000 7001 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 7002 String resolvedType, int flags, int userId) { 7003 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7004 flags = updateFlagsForResolve(flags, userId, intent, false); 7005 ComponentName comp = intent.getComponent(); 7006 if (comp == null) { 7007 if (intent.getSelector() != null) { 7008 intent = intent.getSelector(); 7009 comp = intent.getComponent(); 7010 } 7011 } 7012 if (comp != null) { 7013 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7014 final ServiceInfo si = getServiceInfo(comp, flags, userId); 7015 if (si != null) { 7016 final ResolveInfo ri = new ResolveInfo(); 7017 ri.serviceInfo = si; 7018 list.add(ri); 7019 } 7020 return list; 7021 } 7022 7023 // reader 7024 synchronized (mPackages) { 7025 String pkgName = intent.getPackage(); 7026 if (pkgName == null) { 7027 return mServices.queryIntent(intent, resolvedType, flags, userId); 7028 } 7029 final PackageParser.Package pkg = mPackages.get(pkgName); 7030 if (pkg != null) { 7031 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 7032 userId); 7033 } 7034 return Collections.emptyList(); 7035 } 7036 } 7037 7038 @Override 7039 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 7040 String resolvedType, int flags, int userId) { 7041 return new ParceledListSlice<>( 7042 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 7043 } 7044 7045 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 7046 Intent intent, String resolvedType, int flags, int userId) { 7047 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7048 flags = updateFlagsForResolve(flags, userId, intent, false); 7049 ComponentName comp = intent.getComponent(); 7050 if (comp == null) { 7051 if (intent.getSelector() != null) { 7052 intent = intent.getSelector(); 7053 comp = intent.getComponent(); 7054 } 7055 } 7056 if (comp != null) { 7057 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7058 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 7059 if (pi != null) { 7060 final ResolveInfo ri = new ResolveInfo(); 7061 ri.providerInfo = pi; 7062 list.add(ri); 7063 } 7064 return list; 7065 } 7066 7067 // reader 7068 synchronized (mPackages) { 7069 String pkgName = intent.getPackage(); 7070 if (pkgName == null) { 7071 return mProviders.queryIntent(intent, resolvedType, flags, userId); 7072 } 7073 final PackageParser.Package pkg = mPackages.get(pkgName); 7074 if (pkg != null) { 7075 return mProviders.queryIntentForPackage( 7076 intent, resolvedType, flags, pkg.providers, userId); 7077 } 7078 return Collections.emptyList(); 7079 } 7080 } 7081 7082 @Override 7083 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 7084 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7085 flags = updateFlagsForPackage(flags, userId, null); 7086 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7087 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7088 true /* requireFullPermission */, false /* checkShell */, 7089 "get installed packages"); 7090 7091 // writer 7092 synchronized (mPackages) { 7093 ArrayList<PackageInfo> list; 7094 if (listUninstalled) { 7095 list = new ArrayList<>(mSettings.mPackages.size()); 7096 for (PackageSetting ps : mSettings.mPackages.values()) { 7097 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7098 continue; 7099 } 7100 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7101 if (pi != null) { 7102 list.add(pi); 7103 } 7104 } 7105 } else { 7106 list = new ArrayList<>(mPackages.size()); 7107 for (PackageParser.Package p : mPackages.values()) { 7108 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 7109 Binder.getCallingUid(), userId)) { 7110 continue; 7111 } 7112 final PackageInfo pi = generatePackageInfo((PackageSetting) 7113 p.mExtras, flags, userId); 7114 if (pi != null) { 7115 list.add(pi); 7116 } 7117 } 7118 } 7119 7120 return new ParceledListSlice<>(list); 7121 } 7122 } 7123 7124 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 7125 String[] permissions, boolean[] tmp, int flags, int userId) { 7126 int numMatch = 0; 7127 final PermissionsState permissionsState = ps.getPermissionsState(); 7128 for (int i=0; i<permissions.length; i++) { 7129 final String permission = permissions[i]; 7130 if (permissionsState.hasPermission(permission, userId)) { 7131 tmp[i] = true; 7132 numMatch++; 7133 } else { 7134 tmp[i] = false; 7135 } 7136 } 7137 if (numMatch == 0) { 7138 return; 7139 } 7140 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7141 7142 // The above might return null in cases of uninstalled apps or install-state 7143 // skew across users/profiles. 7144 if (pi != null) { 7145 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 7146 if (numMatch == permissions.length) { 7147 pi.requestedPermissions = permissions; 7148 } else { 7149 pi.requestedPermissions = new String[numMatch]; 7150 numMatch = 0; 7151 for (int i=0; i<permissions.length; i++) { 7152 if (tmp[i]) { 7153 pi.requestedPermissions[numMatch] = permissions[i]; 7154 numMatch++; 7155 } 7156 } 7157 } 7158 } 7159 list.add(pi); 7160 } 7161 } 7162 7163 @Override 7164 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 7165 String[] permissions, int flags, int userId) { 7166 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7167 flags = updateFlagsForPackage(flags, userId, permissions); 7168 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7169 true /* requireFullPermission */, false /* checkShell */, 7170 "get packages holding permissions"); 7171 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7172 7173 // writer 7174 synchronized (mPackages) { 7175 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 7176 boolean[] tmpBools = new boolean[permissions.length]; 7177 if (listUninstalled) { 7178 for (PackageSetting ps : mSettings.mPackages.values()) { 7179 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7180 userId); 7181 } 7182 } else { 7183 for (PackageParser.Package pkg : mPackages.values()) { 7184 PackageSetting ps = (PackageSetting)pkg.mExtras; 7185 if (ps != null) { 7186 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7187 userId); 7188 } 7189 } 7190 } 7191 7192 return new ParceledListSlice<PackageInfo>(list); 7193 } 7194 } 7195 7196 @Override 7197 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 7198 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7199 flags = updateFlagsForApplication(flags, userId, null); 7200 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7201 7202 // writer 7203 synchronized (mPackages) { 7204 ArrayList<ApplicationInfo> list; 7205 if (listUninstalled) { 7206 list = new ArrayList<>(mSettings.mPackages.size()); 7207 for (PackageSetting ps : mSettings.mPackages.values()) { 7208 ApplicationInfo ai; 7209 int effectiveFlags = flags; 7210 if (ps.isSystem()) { 7211 effectiveFlags |= PackageManager.MATCH_ANY_USER; 7212 } 7213 if (ps.pkg != null) { 7214 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7215 continue; 7216 } 7217 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 7218 ps.readUserState(userId), userId); 7219 if (ai != null) { 7220 rebaseEnabledOverlays(ai, userId); 7221 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 7222 } 7223 } else { 7224 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 7225 // and already converts to externally visible package name 7226 ai = generateApplicationInfoFromSettingsLPw(ps.name, 7227 Binder.getCallingUid(), effectiveFlags, userId); 7228 } 7229 if (ai != null) { 7230 list.add(ai); 7231 } 7232 } 7233 } else { 7234 list = new ArrayList<>(mPackages.size()); 7235 for (PackageParser.Package p : mPackages.values()) { 7236 if (p.mExtras != null) { 7237 PackageSetting ps = (PackageSetting) p.mExtras; 7238 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7239 continue; 7240 } 7241 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7242 ps.readUserState(userId), userId); 7243 if (ai != null) { 7244 rebaseEnabledOverlays(ai, userId); 7245 ai.packageName = resolveExternalPackageNameLPr(p); 7246 list.add(ai); 7247 } 7248 } 7249 } 7250 } 7251 7252 return new ParceledListSlice<>(list); 7253 } 7254 } 7255 7256 @Override 7257 public ParceledListSlice<InstantAppInfo> getInstantApps(int userId) { 7258 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7259 return null; 7260 } 7261 7262 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7263 "getEphemeralApplications"); 7264 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7265 true /* requireFullPermission */, false /* checkShell */, 7266 "getEphemeralApplications"); 7267 synchronized (mPackages) { 7268 List<InstantAppInfo> instantApps = mInstantAppRegistry 7269 .getInstantAppsLPr(userId); 7270 if (instantApps != null) { 7271 return new ParceledListSlice<>(instantApps); 7272 } 7273 } 7274 return null; 7275 } 7276 7277 @Override 7278 public boolean isInstantApp(String packageName, int userId) { 7279 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7280 true /* requireFullPermission */, false /* checkShell */, 7281 "isInstantApp"); 7282 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7283 return false; 7284 } 7285 7286 synchronized (mPackages) { 7287 final PackageSetting ps = mSettings.mPackages.get(packageName); 7288 final boolean returnAllowed = 7289 ps != null 7290 && (isCallerSameApp(packageName) 7291 || mContext.checkCallingOrSelfPermission( 7292 android.Manifest.permission.ACCESS_INSTANT_APPS) 7293 == PERMISSION_GRANTED 7294 || mInstantAppRegistry.isInstantAccessGranted( 7295 userId, UserHandle.getAppId(Binder.getCallingUid()), ps.appId)); 7296 if (returnAllowed) { 7297 return ps.getInstantApp(userId); 7298 } 7299 } 7300 return false; 7301 } 7302 7303 @Override 7304 public byte[] getInstantAppCookie(String packageName, int userId) { 7305 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7306 return null; 7307 } 7308 7309 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7310 true /* requireFullPermission */, false /* checkShell */, 7311 "getInstantAppCookie"); 7312 if (!isCallerSameApp(packageName)) { 7313 return null; 7314 } 7315 synchronized (mPackages) { 7316 return mInstantAppRegistry.getInstantAppCookieLPw( 7317 packageName, userId); 7318 } 7319 } 7320 7321 @Override 7322 public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) { 7323 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7324 return true; 7325 } 7326 7327 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7328 true /* requireFullPermission */, true /* checkShell */, 7329 "setInstantAppCookie"); 7330 if (!isCallerSameApp(packageName)) { 7331 return false; 7332 } 7333 synchronized (mPackages) { 7334 return mInstantAppRegistry.setInstantAppCookieLPw( 7335 packageName, cookie, userId); 7336 } 7337 } 7338 7339 @Override 7340 public Bitmap getInstantAppIcon(String packageName, int userId) { 7341 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7342 return null; 7343 } 7344 7345 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7346 "getInstantAppIcon"); 7347 7348 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7349 true /* requireFullPermission */, false /* checkShell */, 7350 "getInstantAppIcon"); 7351 7352 synchronized (mPackages) { 7353 return mInstantAppRegistry.getInstantAppIconLPw( 7354 packageName, userId); 7355 } 7356 } 7357 7358 private boolean isCallerSameApp(String packageName) { 7359 PackageParser.Package pkg = mPackages.get(packageName); 7360 return pkg != null 7361 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 7362 } 7363 7364 @Override 7365 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 7366 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 7367 } 7368 7369 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 7370 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 7371 7372 // reader 7373 synchronized (mPackages) { 7374 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 7375 final int userId = UserHandle.getCallingUserId(); 7376 while (i.hasNext()) { 7377 final PackageParser.Package p = i.next(); 7378 if (p.applicationInfo == null) continue; 7379 7380 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 7381 && !p.applicationInfo.isDirectBootAware(); 7382 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 7383 && p.applicationInfo.isDirectBootAware(); 7384 7385 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 7386 && (!mSafeMode || isSystemApp(p)) 7387 && (matchesUnaware || matchesAware)) { 7388 PackageSetting ps = mSettings.mPackages.get(p.packageName); 7389 if (ps != null) { 7390 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7391 ps.readUserState(userId), userId); 7392 if (ai != null) { 7393 rebaseEnabledOverlays(ai, userId); 7394 finalList.add(ai); 7395 } 7396 } 7397 } 7398 } 7399 } 7400 7401 return finalList; 7402 } 7403 7404 @Override 7405 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 7406 if (!sUserManager.exists(userId)) return null; 7407 flags = updateFlagsForComponent(flags, userId, name); 7408 // reader 7409 synchronized (mPackages) { 7410 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 7411 PackageSetting ps = provider != null 7412 ? mSettings.mPackages.get(provider.owner.packageName) 7413 : null; 7414 return ps != null 7415 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 7416 ? PackageParser.generateProviderInfo(provider, flags, 7417 ps.readUserState(userId), userId) 7418 : null; 7419 } 7420 } 7421 7422 /** 7423 * @deprecated 7424 */ 7425 @Deprecated 7426 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 7427 // reader 7428 synchronized (mPackages) { 7429 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 7430 .entrySet().iterator(); 7431 final int userId = UserHandle.getCallingUserId(); 7432 while (i.hasNext()) { 7433 Map.Entry<String, PackageParser.Provider> entry = i.next(); 7434 PackageParser.Provider p = entry.getValue(); 7435 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7436 7437 if (ps != null && p.syncable 7438 && (!mSafeMode || (p.info.applicationInfo.flags 7439 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 7440 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 7441 ps.readUserState(userId), userId); 7442 if (info != null) { 7443 outNames.add(entry.getKey()); 7444 outInfo.add(info); 7445 } 7446 } 7447 } 7448 } 7449 } 7450 7451 @Override 7452 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 7453 int uid, int flags, String metaDataKey) { 7454 final int userId = processName != null ? UserHandle.getUserId(uid) 7455 : UserHandle.getCallingUserId(); 7456 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7457 flags = updateFlagsForComponent(flags, userId, processName); 7458 7459 ArrayList<ProviderInfo> finalList = null; 7460 // reader 7461 synchronized (mPackages) { 7462 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 7463 while (i.hasNext()) { 7464 final PackageParser.Provider p = i.next(); 7465 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7466 if (ps != null && p.info.authority != null 7467 && (processName == null 7468 || (p.info.processName.equals(processName) 7469 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 7470 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 7471 7472 // See PM.queryContentProviders()'s javadoc for why we have the metaData 7473 // parameter. 7474 if (metaDataKey != null 7475 && (p.metaData == null || !p.metaData.containsKey(metaDataKey))) { 7476 continue; 7477 } 7478 7479 if (finalList == null) { 7480 finalList = new ArrayList<ProviderInfo>(3); 7481 } 7482 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 7483 ps.readUserState(userId), userId); 7484 if (info != null) { 7485 finalList.add(info); 7486 } 7487 } 7488 } 7489 } 7490 7491 if (finalList != null) { 7492 Collections.sort(finalList, mProviderInitOrderSorter); 7493 return new ParceledListSlice<ProviderInfo>(finalList); 7494 } 7495 7496 return ParceledListSlice.emptyList(); 7497 } 7498 7499 @Override 7500 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 7501 // reader 7502 synchronized (mPackages) { 7503 final PackageParser.Instrumentation i = mInstrumentation.get(name); 7504 return PackageParser.generateInstrumentationInfo(i, flags); 7505 } 7506 } 7507 7508 @Override 7509 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 7510 String targetPackage, int flags) { 7511 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 7512 } 7513 7514 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 7515 int flags) { 7516 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 7517 7518 // reader 7519 synchronized (mPackages) { 7520 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 7521 while (i.hasNext()) { 7522 final PackageParser.Instrumentation p = i.next(); 7523 if (targetPackage == null 7524 || targetPackage.equals(p.info.targetPackage)) { 7525 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 7526 flags); 7527 if (ii != null) { 7528 finalList.add(ii); 7529 } 7530 } 7531 } 7532 } 7533 7534 return finalList; 7535 } 7536 7537 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 7538 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 7539 try { 7540 scanDirLI(dir, parseFlags, scanFlags, currentTime); 7541 } finally { 7542 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7543 } 7544 } 7545 7546 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 7547 final File[] files = dir.listFiles(); 7548 if (ArrayUtils.isEmpty(files)) { 7549 Log.d(TAG, "No files in app dir " + dir); 7550 return; 7551 } 7552 7553 if (DEBUG_PACKAGE_SCANNING) { 7554 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 7555 + " flags=0x" + Integer.toHexString(parseFlags)); 7556 } 7557 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 7558 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir, mPackageParserCallback); 7559 7560 // Submit files for parsing in parallel 7561 int fileCount = 0; 7562 for (File file : files) { 7563 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 7564 && !PackageInstallerService.isStageName(file.getName()); 7565 if (!isPackage) { 7566 // Ignore entries which are not packages 7567 continue; 7568 } 7569 parallelPackageParser.submit(file, parseFlags); 7570 fileCount++; 7571 } 7572 7573 // Process results one by one 7574 for (; fileCount > 0; fileCount--) { 7575 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 7576 Throwable throwable = parseResult.throwable; 7577 int errorCode = PackageManager.INSTALL_SUCCEEDED; 7578 7579 if (throwable == null) { 7580 // Static shared libraries have synthetic package names 7581 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 7582 renameStaticSharedLibraryPackage(parseResult.pkg); 7583 } 7584 try { 7585 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 7586 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 7587 currentTime, null); 7588 } 7589 } catch (PackageManagerException e) { 7590 errorCode = e.error; 7591 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 7592 } 7593 } else if (throwable instanceof PackageParser.PackageParserException) { 7594 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 7595 throwable; 7596 errorCode = e.error; 7597 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 7598 } else { 7599 throw new IllegalStateException("Unexpected exception occurred while parsing " 7600 + parseResult.scanFile, throwable); 7601 } 7602 7603 // Delete invalid userdata apps 7604 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 7605 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 7606 logCriticalInfo(Log.WARN, 7607 "Deleting invalid package at " + parseResult.scanFile); 7608 removeCodePathLI(parseResult.scanFile); 7609 } 7610 } 7611 parallelPackageParser.close(); 7612 } 7613 7614 private static File getSettingsProblemFile() { 7615 File dataDir = Environment.getDataDirectory(); 7616 File systemDir = new File(dataDir, "system"); 7617 File fname = new File(systemDir, "uiderrors.txt"); 7618 return fname; 7619 } 7620 7621 static void reportSettingsProblem(int priority, String msg) { 7622 logCriticalInfo(priority, msg); 7623 } 7624 7625 public static void logCriticalInfo(int priority, String msg) { 7626 Slog.println(priority, TAG, msg); 7627 EventLogTags.writePmCriticalInfo(msg); 7628 try { 7629 File fname = getSettingsProblemFile(); 7630 FileOutputStream out = new FileOutputStream(fname, true); 7631 PrintWriter pw = new FastPrintWriter(out); 7632 SimpleDateFormat formatter = new SimpleDateFormat(); 7633 String dateString = formatter.format(new Date(System.currentTimeMillis())); 7634 pw.println(dateString + ": " + msg); 7635 pw.close(); 7636 FileUtils.setPermissions( 7637 fname.toString(), 7638 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 7639 -1, -1); 7640 } catch (java.io.IOException e) { 7641 } 7642 } 7643 7644 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 7645 if (srcFile.isDirectory()) { 7646 final File baseFile = new File(pkg.baseCodePath); 7647 long maxModifiedTime = baseFile.lastModified(); 7648 if (pkg.splitCodePaths != null) { 7649 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 7650 final File splitFile = new File(pkg.splitCodePaths[i]); 7651 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 7652 } 7653 } 7654 return maxModifiedTime; 7655 } 7656 return srcFile.lastModified(); 7657 } 7658 7659 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 7660 final int policyFlags) throws PackageManagerException { 7661 // When upgrading from pre-N MR1, verify the package time stamp using the package 7662 // directory and not the APK file. 7663 final long lastModifiedTime = mIsPreNMR1Upgrade 7664 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 7665 if (ps != null 7666 && ps.codePath.equals(srcFile) 7667 && ps.timeStamp == lastModifiedTime 7668 && !isCompatSignatureUpdateNeeded(pkg) 7669 && !isRecoverSignatureUpdateNeeded(pkg)) { 7670 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 7671 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7672 ArraySet<PublicKey> signingKs; 7673 synchronized (mPackages) { 7674 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 7675 } 7676 if (ps.signatures.mSignatures != null 7677 && ps.signatures.mSignatures.length != 0 7678 && signingKs != null) { 7679 // Optimization: reuse the existing cached certificates 7680 // if the package appears to be unchanged. 7681 pkg.mSignatures = ps.signatures.mSignatures; 7682 pkg.mSigningKeys = signingKs; 7683 return; 7684 } 7685 7686 Slog.w(TAG, "PackageSetting for " + ps.name 7687 + " is missing signatures. Collecting certs again to recover them."); 7688 } else { 7689 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 7690 } 7691 7692 try { 7693 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 7694 PackageParser.collectCertificates(pkg, policyFlags); 7695 } catch (PackageParserException e) { 7696 throw PackageManagerException.from(e); 7697 } finally { 7698 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7699 } 7700 } 7701 7702 /** 7703 * Traces a package scan. 7704 * @see #scanPackageLI(File, int, int, long, UserHandle) 7705 */ 7706 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 7707 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7708 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 7709 try { 7710 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 7711 } finally { 7712 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7713 } 7714 } 7715 7716 /** 7717 * Scans a package and returns the newly parsed package. 7718 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 7719 */ 7720 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 7721 long currentTime, UserHandle user) throws PackageManagerException { 7722 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 7723 PackageParser pp = new PackageParser(); 7724 pp.setSeparateProcesses(mSeparateProcesses); 7725 pp.setOnlyCoreApps(mOnlyCore); 7726 pp.setDisplayMetrics(mMetrics); 7727 pp.setCallback(mPackageParserCallback); 7728 7729 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 7730 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 7731 } 7732 7733 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 7734 final PackageParser.Package pkg; 7735 try { 7736 pkg = pp.parsePackage(scanFile, parseFlags); 7737 } catch (PackageParserException e) { 7738 throw PackageManagerException.from(e); 7739 } finally { 7740 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7741 } 7742 7743 // Static shared libraries have synthetic package names 7744 if (pkg.applicationInfo.isStaticSharedLibrary()) { 7745 renameStaticSharedLibraryPackage(pkg); 7746 } 7747 7748 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 7749 } 7750 7751 /** 7752 * Scans a package and returns the newly parsed package. 7753 * @throws PackageManagerException on a parse error. 7754 */ 7755 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 7756 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 7757 throws PackageManagerException { 7758 // If the package has children and this is the first dive in the function 7759 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 7760 // packages (parent and children) would be successfully scanned before the 7761 // actual scan since scanning mutates internal state and we want to atomically 7762 // install the package and its children. 7763 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7764 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7765 scanFlags |= SCAN_CHECK_ONLY; 7766 } 7767 } else { 7768 scanFlags &= ~SCAN_CHECK_ONLY; 7769 } 7770 7771 // Scan the parent 7772 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 7773 scanFlags, currentTime, user); 7774 7775 // Scan the children 7776 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7777 for (int i = 0; i < childCount; i++) { 7778 PackageParser.Package childPackage = pkg.childPackages.get(i); 7779 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 7780 currentTime, user); 7781 } 7782 7783 7784 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7785 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 7786 } 7787 7788 return scannedPkg; 7789 } 7790 7791 /** 7792 * Scans a package and returns the newly parsed package. 7793 * @throws PackageManagerException on a parse error. 7794 */ 7795 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 7796 int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 7797 throws PackageManagerException { 7798 PackageSetting ps = null; 7799 PackageSetting updatedPkg; 7800 // reader 7801 synchronized (mPackages) { 7802 // Look to see if we already know about this package. 7803 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 7804 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 7805 // This package has been renamed to its original name. Let's 7806 // use that. 7807 ps = mSettings.getPackageLPr(oldName); 7808 } 7809 // If there was no original package, see one for the real package name. 7810 if (ps == null) { 7811 ps = mSettings.getPackageLPr(pkg.packageName); 7812 } 7813 // Check to see if this package could be hiding/updating a system 7814 // package. Must look for it either under the original or real 7815 // package name depending on our state. 7816 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 7817 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 7818 7819 // If this is a package we don't know about on the system partition, we 7820 // may need to remove disabled child packages on the system partition 7821 // or may need to not add child packages if the parent apk is updated 7822 // on the data partition and no longer defines this child package. 7823 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7824 // If this is a parent package for an updated system app and this system 7825 // app got an OTA update which no longer defines some of the child packages 7826 // we have to prune them from the disabled system packages. 7827 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 7828 if (disabledPs != null) { 7829 final int scannedChildCount = (pkg.childPackages != null) 7830 ? pkg.childPackages.size() : 0; 7831 final int disabledChildCount = disabledPs.childPackageNames != null 7832 ? disabledPs.childPackageNames.size() : 0; 7833 for (int i = 0; i < disabledChildCount; i++) { 7834 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 7835 boolean disabledPackageAvailable = false; 7836 for (int j = 0; j < scannedChildCount; j++) { 7837 PackageParser.Package childPkg = pkg.childPackages.get(j); 7838 if (childPkg.packageName.equals(disabledChildPackageName)) { 7839 disabledPackageAvailable = true; 7840 break; 7841 } 7842 } 7843 if (!disabledPackageAvailable) { 7844 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 7845 } 7846 } 7847 } 7848 } 7849 } 7850 7851 boolean updatedPkgBetter = false; 7852 // First check if this is a system package that may involve an update 7853 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7854 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7855 // it needs to drop FLAG_PRIVILEGED. 7856 if (locationIsPrivileged(scanFile)) { 7857 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7858 } else { 7859 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7860 } 7861 7862 if (ps != null && !ps.codePath.equals(scanFile)) { 7863 // The path has changed from what was last scanned... check the 7864 // version of the new path against what we have stored to determine 7865 // what to do. 7866 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7867 if (pkg.mVersionCode <= ps.versionCode) { 7868 // The system package has been updated and the code path does not match 7869 // Ignore entry. Skip it. 7870 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7871 + " ignored: updated version " + ps.versionCode 7872 + " better than this " + pkg.mVersionCode); 7873 if (!updatedPkg.codePath.equals(scanFile)) { 7874 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7875 + ps.name + " changing from " + updatedPkg.codePathString 7876 + " to " + scanFile); 7877 updatedPkg.codePath = scanFile; 7878 updatedPkg.codePathString = scanFile.toString(); 7879 updatedPkg.resourcePath = scanFile; 7880 updatedPkg.resourcePathString = scanFile.toString(); 7881 } 7882 updatedPkg.pkg = pkg; 7883 updatedPkg.versionCode = pkg.mVersionCode; 7884 7885 // Update the disabled system child packages to point to the package too. 7886 final int childCount = updatedPkg.childPackageNames != null 7887 ? updatedPkg.childPackageNames.size() : 0; 7888 for (int i = 0; i < childCount; i++) { 7889 String childPackageName = updatedPkg.childPackageNames.get(i); 7890 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7891 childPackageName); 7892 if (updatedChildPkg != null) { 7893 updatedChildPkg.pkg = pkg; 7894 updatedChildPkg.versionCode = pkg.mVersionCode; 7895 } 7896 } 7897 7898 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7899 + scanFile + " ignored: updated version " + ps.versionCode 7900 + " better than this " + pkg.mVersionCode); 7901 } else { 7902 // The current app on the system partition is better than 7903 // what we have updated to on the data partition; switch 7904 // back to the system partition version. 7905 // At this point, its safely assumed that package installation for 7906 // apps in system partition will go through. If not there won't be a working 7907 // version of the app 7908 // writer 7909 synchronized (mPackages) { 7910 // Just remove the loaded entries from package lists. 7911 mPackages.remove(ps.name); 7912 } 7913 7914 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7915 + " reverting from " + ps.codePathString 7916 + ": new version " + pkg.mVersionCode 7917 + " better than installed " + ps.versionCode); 7918 7919 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7920 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7921 synchronized (mInstallLock) { 7922 args.cleanUpResourcesLI(); 7923 } 7924 synchronized (mPackages) { 7925 mSettings.enableSystemPackageLPw(ps.name); 7926 } 7927 updatedPkgBetter = true; 7928 } 7929 } 7930 } 7931 7932 if (updatedPkg != null) { 7933 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7934 // initially 7935 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7936 7937 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7938 // flag set initially 7939 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7940 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7941 } 7942 } 7943 7944 // Verify certificates against what was last scanned 7945 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7946 7947 /* 7948 * A new system app appeared, but we already had a non-system one of the 7949 * same name installed earlier. 7950 */ 7951 boolean shouldHideSystemApp = false; 7952 if (updatedPkg == null && ps != null 7953 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7954 /* 7955 * Check to make sure the signatures match first. If they don't, 7956 * wipe the installed application and its data. 7957 */ 7958 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7959 != PackageManager.SIGNATURE_MATCH) { 7960 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7961 + " signatures don't match existing userdata copy; removing"); 7962 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7963 "scanPackageInternalLI")) { 7964 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7965 } 7966 ps = null; 7967 } else { 7968 /* 7969 * If the newly-added system app is an older version than the 7970 * already installed version, hide it. It will be scanned later 7971 * and re-added like an update. 7972 */ 7973 if (pkg.mVersionCode <= ps.versionCode) { 7974 shouldHideSystemApp = true; 7975 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7976 + " but new version " + pkg.mVersionCode + " better than installed " 7977 + ps.versionCode + "; hiding system"); 7978 } else { 7979 /* 7980 * The newly found system app is a newer version that the 7981 * one previously installed. Simply remove the 7982 * already-installed application and replace it with our own 7983 * while keeping the application data. 7984 */ 7985 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7986 + " reverting from " + ps.codePathString + ": new version " 7987 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7988 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7989 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7990 synchronized (mInstallLock) { 7991 args.cleanUpResourcesLI(); 7992 } 7993 } 7994 } 7995 } 7996 7997 // The apk is forward locked (not public) if its code and resources 7998 // are kept in different files. (except for app in either system or 7999 // vendor path). 8000 // TODO grab this value from PackageSettings 8001 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8002 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 8003 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 8004 } 8005 } 8006 8007 // TODO: extend to support forward-locked splits 8008 String resourcePath = null; 8009 String baseResourcePath = null; 8010 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 8011 if (ps != null && ps.resourcePathString != null) { 8012 resourcePath = ps.resourcePathString; 8013 baseResourcePath = ps.resourcePathString; 8014 } else { 8015 // Should not happen at all. Just log an error. 8016 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 8017 } 8018 } else { 8019 resourcePath = pkg.codePath; 8020 baseResourcePath = pkg.baseCodePath; 8021 } 8022 8023 // Set application objects path explicitly. 8024 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 8025 pkg.setApplicationInfoCodePath(pkg.codePath); 8026 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 8027 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 8028 pkg.setApplicationInfoResourcePath(resourcePath); 8029 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 8030 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 8031 8032 final int userId = ((user == null) ? 0 : user.getIdentifier()); 8033 if (ps != null && ps.getInstantApp(userId)) { 8034 scanFlags |= SCAN_AS_INSTANT_APP; 8035 } 8036 8037 // Note that we invoke the following method only if we are about to unpack an application 8038 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 8039 | SCAN_UPDATE_SIGNATURE, currentTime, user); 8040 8041 /* 8042 * If the system app should be overridden by a previously installed 8043 * data, hide the system app now and let the /data/app scan pick it up 8044 * again. 8045 */ 8046 if (shouldHideSystemApp) { 8047 synchronized (mPackages) { 8048 mSettings.disableSystemPackageLPw(pkg.packageName, true); 8049 } 8050 } 8051 8052 return scannedPkg; 8053 } 8054 8055 private void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 8056 // Derive the new package synthetic package name 8057 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 8058 + pkg.staticSharedLibVersion); 8059 } 8060 8061 private static String fixProcessName(String defProcessName, 8062 String processName) { 8063 if (processName == null) { 8064 return defProcessName; 8065 } 8066 return processName; 8067 } 8068 8069 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 8070 throws PackageManagerException { 8071 if (pkgSetting.signatures.mSignatures != null) { 8072 // Already existing package. Make sure signatures match 8073 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 8074 == PackageManager.SIGNATURE_MATCH; 8075 if (!match) { 8076 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 8077 == PackageManager.SIGNATURE_MATCH; 8078 } 8079 if (!match) { 8080 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 8081 == PackageManager.SIGNATURE_MATCH; 8082 } 8083 if (!match) { 8084 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 8085 + pkg.packageName + " signatures do not match the " 8086 + "previously installed version; ignoring!"); 8087 } 8088 } 8089 8090 // Check for shared user signatures 8091 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 8092 // Already existing package. Make sure signatures match 8093 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8094 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 8095 if (!match) { 8096 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 8097 == PackageManager.SIGNATURE_MATCH; 8098 } 8099 if (!match) { 8100 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 8101 == PackageManager.SIGNATURE_MATCH; 8102 } 8103 if (!match) { 8104 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 8105 "Package " + pkg.packageName 8106 + " has no signatures that match those in shared user " 8107 + pkgSetting.sharedUser.name + "; ignoring!"); 8108 } 8109 } 8110 } 8111 8112 /** 8113 * Enforces that only the system UID or root's UID can call a method exposed 8114 * via Binder. 8115 * 8116 * @param message used as message if SecurityException is thrown 8117 * @throws SecurityException if the caller is not system or root 8118 */ 8119 private static final void enforceSystemOrRoot(String message) { 8120 final int uid = Binder.getCallingUid(); 8121 if (uid != Process.SYSTEM_UID && uid != 0) { 8122 throw new SecurityException(message); 8123 } 8124 } 8125 8126 @Override 8127 public void performFstrimIfNeeded() { 8128 enforceSystemOrRoot("Only the system can request fstrim"); 8129 8130 // Before everything else, see whether we need to fstrim. 8131 try { 8132 IStorageManager sm = PackageHelper.getStorageManager(); 8133 if (sm != null) { 8134 boolean doTrim = false; 8135 final long interval = android.provider.Settings.Global.getLong( 8136 mContext.getContentResolver(), 8137 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 8138 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 8139 if (interval > 0) { 8140 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 8141 if (timeSinceLast > interval) { 8142 doTrim = true; 8143 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 8144 + "; running immediately"); 8145 } 8146 } 8147 if (doTrim) { 8148 final boolean dexOptDialogShown; 8149 synchronized (mPackages) { 8150 dexOptDialogShown = mDexOptDialogShown; 8151 } 8152 if (!isFirstBoot() && dexOptDialogShown) { 8153 try { 8154 ActivityManager.getService().showBootMessage( 8155 mContext.getResources().getString( 8156 R.string.android_upgrading_fstrim), true); 8157 } catch (RemoteException e) { 8158 } 8159 } 8160 sm.runMaintenance(); 8161 } 8162 } else { 8163 Slog.e(TAG, "storageManager service unavailable!"); 8164 } 8165 } catch (RemoteException e) { 8166 // Can't happen; StorageManagerService is local 8167 } 8168 } 8169 8170 @Override 8171 public void updatePackagesIfNeeded() { 8172 enforceSystemOrRoot("Only the system can request package update"); 8173 8174 // We need to re-extract after an OTA. 8175 boolean causeUpgrade = isUpgrade(); 8176 8177 // First boot or factory reset. 8178 // Note: we also handle devices that are upgrading to N right now as if it is their 8179 // first boot, as they do not have profile data. 8180 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 8181 8182 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 8183 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 8184 8185 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 8186 return; 8187 } 8188 8189 List<PackageParser.Package> pkgs; 8190 synchronized (mPackages) { 8191 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 8192 } 8193 8194 final long startTime = System.nanoTime(); 8195 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 8196 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 8197 8198 final int elapsedTimeSeconds = 8199 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 8200 8201 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 8202 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 8203 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 8204 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 8205 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 8206 } 8207 8208 /** 8209 * Performs dexopt on the set of packages in {@code packages} and returns an int array 8210 * containing statistics about the invocation. The array consists of three elements, 8211 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 8212 * and {@code numberOfPackagesFailed}. 8213 */ 8214 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 8215 String compilerFilter) { 8216 8217 int numberOfPackagesVisited = 0; 8218 int numberOfPackagesOptimized = 0; 8219 int numberOfPackagesSkipped = 0; 8220 int numberOfPackagesFailed = 0; 8221 final int numberOfPackagesToDexopt = pkgs.size(); 8222 8223 for (PackageParser.Package pkg : pkgs) { 8224 numberOfPackagesVisited++; 8225 8226 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 8227 if (DEBUG_DEXOPT) { 8228 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 8229 } 8230 numberOfPackagesSkipped++; 8231 continue; 8232 } 8233 8234 if (DEBUG_DEXOPT) { 8235 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 8236 numberOfPackagesToDexopt + ": " + pkg.packageName); 8237 } 8238 8239 if (showDialog) { 8240 try { 8241 ActivityManager.getService().showBootMessage( 8242 mContext.getResources().getString(R.string.android_upgrading_apk, 8243 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 8244 } catch (RemoteException e) { 8245 } 8246 synchronized (mPackages) { 8247 mDexOptDialogShown = true; 8248 } 8249 } 8250 8251 // If the OTA updates a system app which was previously preopted to a non-preopted state 8252 // the app might end up being verified at runtime. That's because by default the apps 8253 // are verify-profile but for preopted apps there's no profile. 8254 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 8255 // that before the OTA the app was preopted) the app gets compiled with a non-profile 8256 // filter (by default interpret-only). 8257 // Note that at this stage unused apps are already filtered. 8258 if (isSystemApp(pkg) && 8259 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 8260 !Environment.getReferenceProfile(pkg.packageName).exists()) { 8261 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 8262 } 8263 8264 // checkProfiles is false to avoid merging profiles during boot which 8265 // might interfere with background compilation (b/28612421). 8266 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 8267 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 8268 // trade-off worth doing to save boot time work. 8269 int dexOptStatus = performDexOptTraced(pkg.packageName, 8270 false /* checkProfiles */, 8271 compilerFilter, 8272 false /* force */); 8273 switch (dexOptStatus) { 8274 case PackageDexOptimizer.DEX_OPT_PERFORMED: 8275 numberOfPackagesOptimized++; 8276 break; 8277 case PackageDexOptimizer.DEX_OPT_SKIPPED: 8278 numberOfPackagesSkipped++; 8279 break; 8280 case PackageDexOptimizer.DEX_OPT_FAILED: 8281 numberOfPackagesFailed++; 8282 break; 8283 default: 8284 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 8285 break; 8286 } 8287 } 8288 8289 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 8290 numberOfPackagesFailed }; 8291 } 8292 8293 @Override 8294 public void notifyPackageUse(String packageName, int reason) { 8295 synchronized (mPackages) { 8296 PackageParser.Package p = mPackages.get(packageName); 8297 if (p == null) { 8298 return; 8299 } 8300 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 8301 } 8302 } 8303 8304 @Override 8305 public void notifyDexLoad(String loadingPackageName, List<String> dexPaths, String loaderIsa) { 8306 int userId = UserHandle.getCallingUserId(); 8307 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 8308 if (ai == null) { 8309 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 8310 + loadingPackageName + ", user=" + userId); 8311 return; 8312 } 8313 mDexManager.notifyDexLoad(ai, dexPaths, loaderIsa, userId); 8314 } 8315 8316 // TODO: this is not used nor needed. Delete it. 8317 @Override 8318 public boolean performDexOptIfNeeded(String packageName) { 8319 int dexOptStatus = performDexOptTraced(packageName, 8320 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 8321 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8322 } 8323 8324 @Override 8325 public boolean performDexOpt(String packageName, 8326 boolean checkProfiles, int compileReason, boolean force) { 8327 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8328 getCompilerFilterForReason(compileReason), force); 8329 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8330 } 8331 8332 @Override 8333 public boolean performDexOptMode(String packageName, 8334 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8335 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8336 targetCompilerFilter, force); 8337 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8338 } 8339 8340 private int performDexOptTraced(String packageName, 8341 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8342 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8343 try { 8344 return performDexOptInternal(packageName, checkProfiles, 8345 targetCompilerFilter, force); 8346 } finally { 8347 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8348 } 8349 } 8350 8351 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 8352 // if the package can now be considered up to date for the given filter. 8353 private int performDexOptInternal(String packageName, 8354 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8355 PackageParser.Package p; 8356 synchronized (mPackages) { 8357 p = mPackages.get(packageName); 8358 if (p == null) { 8359 // Package could not be found. Report failure. 8360 return PackageDexOptimizer.DEX_OPT_FAILED; 8361 } 8362 mPackageUsage.maybeWriteAsync(mPackages); 8363 mCompilerStats.maybeWriteAsync(); 8364 } 8365 long callingId = Binder.clearCallingIdentity(); 8366 try { 8367 synchronized (mInstallLock) { 8368 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 8369 targetCompilerFilter, force); 8370 } 8371 } finally { 8372 Binder.restoreCallingIdentity(callingId); 8373 } 8374 } 8375 8376 public ArraySet<String> getOptimizablePackages() { 8377 ArraySet<String> pkgs = new ArraySet<String>(); 8378 synchronized (mPackages) { 8379 for (PackageParser.Package p : mPackages.values()) { 8380 if (PackageDexOptimizer.canOptimizePackage(p)) { 8381 pkgs.add(p.packageName); 8382 } 8383 } 8384 } 8385 return pkgs; 8386 } 8387 8388 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 8389 boolean checkProfiles, String targetCompilerFilter, 8390 boolean force) { 8391 // Select the dex optimizer based on the force parameter. 8392 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 8393 // allocate an object here. 8394 PackageDexOptimizer pdo = force 8395 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 8396 : mPackageDexOptimizer; 8397 8398 // Optimize all dependencies first. Note: we ignore the return value and march on 8399 // on errors. 8400 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 8401 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 8402 if (!deps.isEmpty()) { 8403 for (PackageParser.Package depPackage : deps) { 8404 // TODO: Analyze and investigate if we (should) profile libraries. 8405 // Currently this will do a full compilation of the library by default. 8406 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 8407 false /* checkProfiles */, 8408 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 8409 getOrCreateCompilerPackageStats(depPackage), 8410 mDexManager.isUsedByOtherApps(p.packageName)); 8411 } 8412 } 8413 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 8414 targetCompilerFilter, getOrCreateCompilerPackageStats(p), 8415 mDexManager.isUsedByOtherApps(p.packageName)); 8416 } 8417 8418 // Performs dexopt on the used secondary dex files belonging to the given package. 8419 // Returns true if all dex files were process successfully (which could mean either dexopt or 8420 // skip). Returns false if any of the files caused errors. 8421 @Override 8422 public boolean performDexOptSecondary(String packageName, String compilerFilter, 8423 boolean force) { 8424 return mDexManager.dexoptSecondaryDex(packageName, compilerFilter, force); 8425 } 8426 8427 public boolean performDexOptSecondary(String packageName, int compileReason, 8428 boolean force) { 8429 return mDexManager.dexoptSecondaryDex(packageName, compileReason, force); 8430 } 8431 8432 /** 8433 * Reconcile the information we have about the secondary dex files belonging to 8434 * {@code packagName} and the actual dex files. For all dex files that were 8435 * deleted, update the internal records and delete the generated oat files. 8436 */ 8437 @Override 8438 public void reconcileSecondaryDexFiles(String packageName) { 8439 mDexManager.reconcileSecondaryDexFiles(packageName); 8440 } 8441 8442 // TODO(calin): this is only needed for BackgroundDexOptService. Find a cleaner way to inject 8443 // a reference there. 8444 /*package*/ DexManager getDexManager() { 8445 return mDexManager; 8446 } 8447 8448 /** 8449 * Execute the background dexopt job immediately. 8450 */ 8451 @Override 8452 public boolean runBackgroundDexoptJob() { 8453 return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext); 8454 } 8455 8456 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 8457 if (p.usesLibraries != null || p.usesOptionalLibraries != null 8458 || p.usesStaticLibraries != null) { 8459 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 8460 Set<String> collectedNames = new HashSet<>(); 8461 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 8462 8463 retValue.remove(p); 8464 8465 return retValue; 8466 } else { 8467 return Collections.emptyList(); 8468 } 8469 } 8470 8471 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 8472 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8473 if (!collectedNames.contains(p.packageName)) { 8474 collectedNames.add(p.packageName); 8475 collected.add(p); 8476 8477 if (p.usesLibraries != null) { 8478 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 8479 null, collected, collectedNames); 8480 } 8481 if (p.usesOptionalLibraries != null) { 8482 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 8483 null, collected, collectedNames); 8484 } 8485 if (p.usesStaticLibraries != null) { 8486 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 8487 p.usesStaticLibrariesVersions, collected, collectedNames); 8488 } 8489 } 8490 } 8491 8492 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, int[] versions, 8493 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8494 final int libNameCount = libs.size(); 8495 for (int i = 0; i < libNameCount; i++) { 8496 String libName = libs.get(i); 8497 int version = (versions != null && versions.length == libNameCount) 8498 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 8499 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 8500 if (libPkg != null) { 8501 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 8502 } 8503 } 8504 } 8505 8506 private PackageParser.Package findSharedNonSystemLibrary(String name, int version) { 8507 synchronized (mPackages) { 8508 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 8509 if (libEntry != null) { 8510 return mPackages.get(libEntry.apk); 8511 } 8512 return null; 8513 } 8514 } 8515 8516 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, int version) { 8517 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 8518 if (versionedLib == null) { 8519 return null; 8520 } 8521 return versionedLib.get(version); 8522 } 8523 8524 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 8525 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 8526 pkg.staticSharedLibName); 8527 if (versionedLib == null) { 8528 return null; 8529 } 8530 int previousLibVersion = -1; 8531 final int versionCount = versionedLib.size(); 8532 for (int i = 0; i < versionCount; i++) { 8533 final int libVersion = versionedLib.keyAt(i); 8534 if (libVersion < pkg.staticSharedLibVersion) { 8535 previousLibVersion = Math.max(previousLibVersion, libVersion); 8536 } 8537 } 8538 if (previousLibVersion >= 0) { 8539 return versionedLib.get(previousLibVersion); 8540 } 8541 return null; 8542 } 8543 8544 public void shutdown() { 8545 mPackageUsage.writeNow(mPackages); 8546 mCompilerStats.writeNow(); 8547 } 8548 8549 @Override 8550 public void dumpProfiles(String packageName) { 8551 PackageParser.Package pkg; 8552 synchronized (mPackages) { 8553 pkg = mPackages.get(packageName); 8554 if (pkg == null) { 8555 throw new IllegalArgumentException("Unknown package: " + packageName); 8556 } 8557 } 8558 /* Only the shell, root, or the app user should be able to dump profiles. */ 8559 int callingUid = Binder.getCallingUid(); 8560 if (callingUid != Process.SHELL_UID && 8561 callingUid != Process.ROOT_UID && 8562 callingUid != pkg.applicationInfo.uid) { 8563 throw new SecurityException("dumpProfiles"); 8564 } 8565 8566 synchronized (mInstallLock) { 8567 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 8568 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 8569 try { 8570 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 8571 String codePaths = TextUtils.join(";", allCodePaths); 8572 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 8573 } catch (InstallerException e) { 8574 Slog.w(TAG, "Failed to dump profiles", e); 8575 } 8576 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8577 } 8578 } 8579 8580 @Override 8581 public void forceDexOpt(String packageName) { 8582 enforceSystemOrRoot("forceDexOpt"); 8583 8584 PackageParser.Package pkg; 8585 synchronized (mPackages) { 8586 pkg = mPackages.get(packageName); 8587 if (pkg == null) { 8588 throw new IllegalArgumentException("Unknown package: " + packageName); 8589 } 8590 } 8591 8592 synchronized (mInstallLock) { 8593 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8594 8595 // Whoever is calling forceDexOpt wants a fully compiled package. 8596 // Don't use profiles since that may cause compilation to be skipped. 8597 final int res = performDexOptInternalWithDependenciesLI(pkg, 8598 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 8599 true /* force */); 8600 8601 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8602 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 8603 throw new IllegalStateException("Failed to dexopt: " + res); 8604 } 8605 } 8606 } 8607 8608 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 8609 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 8610 Slog.w(TAG, "Unable to update from " + oldPkg.name 8611 + " to " + newPkg.packageName 8612 + ": old package not in system partition"); 8613 return false; 8614 } else if (mPackages.get(oldPkg.name) != null) { 8615 Slog.w(TAG, "Unable to update from " + oldPkg.name 8616 + " to " + newPkg.packageName 8617 + ": old package still exists"); 8618 return false; 8619 } 8620 return true; 8621 } 8622 8623 void removeCodePathLI(File codePath) { 8624 if (codePath.isDirectory()) { 8625 try { 8626 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 8627 } catch (InstallerException e) { 8628 Slog.w(TAG, "Failed to remove code path", e); 8629 } 8630 } else { 8631 codePath.delete(); 8632 } 8633 } 8634 8635 private int[] resolveUserIds(int userId) { 8636 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 8637 } 8638 8639 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8640 if (pkg == null) { 8641 Slog.wtf(TAG, "Package was null!", new Throwable()); 8642 return; 8643 } 8644 clearAppDataLeafLIF(pkg, userId, flags); 8645 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8646 for (int i = 0; i < childCount; i++) { 8647 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8648 } 8649 } 8650 8651 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8652 final PackageSetting ps; 8653 synchronized (mPackages) { 8654 ps = mSettings.mPackages.get(pkg.packageName); 8655 } 8656 for (int realUserId : resolveUserIds(userId)) { 8657 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8658 try { 8659 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8660 ceDataInode); 8661 } catch (InstallerException e) { 8662 Slog.w(TAG, String.valueOf(e)); 8663 } 8664 } 8665 } 8666 8667 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8668 if (pkg == null) { 8669 Slog.wtf(TAG, "Package was null!", new Throwable()); 8670 return; 8671 } 8672 destroyAppDataLeafLIF(pkg, userId, flags); 8673 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8674 for (int i = 0; i < childCount; i++) { 8675 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8676 } 8677 } 8678 8679 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8680 final PackageSetting ps; 8681 synchronized (mPackages) { 8682 ps = mSettings.mPackages.get(pkg.packageName); 8683 } 8684 for (int realUserId : resolveUserIds(userId)) { 8685 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8686 try { 8687 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8688 ceDataInode); 8689 } catch (InstallerException e) { 8690 Slog.w(TAG, String.valueOf(e)); 8691 } 8692 mDexManager.notifyPackageDataDestroyed(pkg.packageName, userId); 8693 } 8694 } 8695 8696 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 8697 if (pkg == null) { 8698 Slog.wtf(TAG, "Package was null!", new Throwable()); 8699 return; 8700 } 8701 destroyAppProfilesLeafLIF(pkg); 8702 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8703 for (int i = 0; i < childCount; i++) { 8704 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 8705 } 8706 } 8707 8708 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 8709 try { 8710 mInstaller.destroyAppProfiles(pkg.packageName); 8711 } catch (InstallerException e) { 8712 Slog.w(TAG, String.valueOf(e)); 8713 } 8714 } 8715 8716 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 8717 if (pkg == null) { 8718 Slog.wtf(TAG, "Package was null!", new Throwable()); 8719 return; 8720 } 8721 clearAppProfilesLeafLIF(pkg); 8722 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8723 for (int i = 0; i < childCount; i++) { 8724 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 8725 } 8726 } 8727 8728 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 8729 try { 8730 mInstaller.clearAppProfiles(pkg.packageName); 8731 } catch (InstallerException e) { 8732 Slog.w(TAG, String.valueOf(e)); 8733 } 8734 } 8735 8736 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 8737 long lastUpdateTime) { 8738 // Set parent install/update time 8739 PackageSetting ps = (PackageSetting) pkg.mExtras; 8740 if (ps != null) { 8741 ps.firstInstallTime = firstInstallTime; 8742 ps.lastUpdateTime = lastUpdateTime; 8743 } 8744 // Set children install/update time 8745 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8746 for (int i = 0; i < childCount; i++) { 8747 PackageParser.Package childPkg = pkg.childPackages.get(i); 8748 ps = (PackageSetting) childPkg.mExtras; 8749 if (ps != null) { 8750 ps.firstInstallTime = firstInstallTime; 8751 ps.lastUpdateTime = lastUpdateTime; 8752 } 8753 } 8754 } 8755 8756 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 8757 PackageParser.Package changingLib) { 8758 if (file.path != null) { 8759 usesLibraryFiles.add(file.path); 8760 return; 8761 } 8762 PackageParser.Package p = mPackages.get(file.apk); 8763 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 8764 // If we are doing this while in the middle of updating a library apk, 8765 // then we need to make sure to use that new apk for determining the 8766 // dependencies here. (We haven't yet finished committing the new apk 8767 // to the package manager state.) 8768 if (p == null || p.packageName.equals(changingLib.packageName)) { 8769 p = changingLib; 8770 } 8771 } 8772 if (p != null) { 8773 usesLibraryFiles.addAll(p.getAllCodePaths()); 8774 } 8775 } 8776 8777 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 8778 PackageParser.Package changingLib) throws PackageManagerException { 8779 if (pkg == null) { 8780 return; 8781 } 8782 ArraySet<String> usesLibraryFiles = null; 8783 if (pkg.usesLibraries != null) { 8784 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 8785 null, null, pkg.packageName, changingLib, true, null); 8786 } 8787 if (pkg.usesStaticLibraries != null) { 8788 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 8789 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 8790 pkg.packageName, changingLib, true, usesLibraryFiles); 8791 } 8792 if (pkg.usesOptionalLibraries != null) { 8793 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 8794 null, null, pkg.packageName, changingLib, false, usesLibraryFiles); 8795 } 8796 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 8797 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 8798 } else { 8799 pkg.usesLibraryFiles = null; 8800 } 8801 } 8802 8803 private ArraySet<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 8804 @Nullable int[] requiredVersions, @Nullable String[] requiredCertDigests, 8805 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 8806 boolean required, @Nullable ArraySet<String> outUsedLibraries) 8807 throws PackageManagerException { 8808 final int libCount = requestedLibraries.size(); 8809 for (int i = 0; i < libCount; i++) { 8810 final String libName = requestedLibraries.get(i); 8811 final int libVersion = requiredVersions != null ? requiredVersions[i] 8812 : SharedLibraryInfo.VERSION_UNDEFINED; 8813 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 8814 if (libEntry == null) { 8815 if (required) { 8816 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8817 "Package " + packageName + " requires unavailable shared library " 8818 + libName + "; failing!"); 8819 } else { 8820 Slog.w(TAG, "Package " + packageName 8821 + " desires unavailable shared library " 8822 + libName + "; ignoring!"); 8823 } 8824 } else { 8825 if (requiredVersions != null && requiredCertDigests != null) { 8826 if (libEntry.info.getVersion() != requiredVersions[i]) { 8827 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8828 "Package " + packageName + " requires unavailable static shared" 8829 + " library " + libName + " version " 8830 + libEntry.info.getVersion() + "; failing!"); 8831 } 8832 8833 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 8834 if (libPkg == null) { 8835 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8836 "Package " + packageName + " requires unavailable static shared" 8837 + " library; failing!"); 8838 } 8839 8840 String expectedCertDigest = requiredCertDigests[i]; 8841 String libCertDigest = PackageUtils.computeCertSha256Digest( 8842 libPkg.mSignatures[0]); 8843 if (!libCertDigest.equalsIgnoreCase(expectedCertDigest)) { 8844 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8845 "Package " + packageName + " requires differently signed" + 8846 " static shared library; failing!"); 8847 } 8848 } 8849 8850 if (outUsedLibraries == null) { 8851 outUsedLibraries = new ArraySet<>(); 8852 } 8853 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 8854 } 8855 } 8856 return outUsedLibraries; 8857 } 8858 8859 private static boolean hasString(List<String> list, List<String> which) { 8860 if (list == null) { 8861 return false; 8862 } 8863 for (int i=list.size()-1; i>=0; i--) { 8864 for (int j=which.size()-1; j>=0; j--) { 8865 if (which.get(j).equals(list.get(i))) { 8866 return true; 8867 } 8868 } 8869 } 8870 return false; 8871 } 8872 8873 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 8874 PackageParser.Package changingPkg) { 8875 ArrayList<PackageParser.Package> res = null; 8876 for (PackageParser.Package pkg : mPackages.values()) { 8877 if (changingPkg != null 8878 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 8879 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 8880 && !ArrayUtils.contains(pkg.usesStaticLibraries, 8881 changingPkg.staticSharedLibName)) { 8882 return null; 8883 } 8884 if (res == null) { 8885 res = new ArrayList<>(); 8886 } 8887 res.add(pkg); 8888 try { 8889 updateSharedLibrariesLPr(pkg, changingPkg); 8890 } catch (PackageManagerException e) { 8891 // If a system app update or an app and a required lib missing we 8892 // delete the package and for updated system apps keep the data as 8893 // it is better for the user to reinstall than to be in an limbo 8894 // state. Also libs disappearing under an app should never happen 8895 // - just in case. 8896 if (!pkg.isSystemApp() || pkg.isUpdatedSystemApp()) { 8897 final int flags = pkg.isUpdatedSystemApp() 8898 ? PackageManager.DELETE_KEEP_DATA : 0; 8899 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 8900 flags , null, true, null); 8901 } 8902 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8903 } 8904 } 8905 return res; 8906 } 8907 8908 /** 8909 * Derive the value of the {@code cpuAbiOverride} based on the provided 8910 * value and an optional stored value from the package settings. 8911 */ 8912 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 8913 String cpuAbiOverride = null; 8914 8915 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 8916 cpuAbiOverride = null; 8917 } else if (abiOverride != null) { 8918 cpuAbiOverride = abiOverride; 8919 } else if (settings != null) { 8920 cpuAbiOverride = settings.cpuAbiOverrideString; 8921 } 8922 8923 return cpuAbiOverride; 8924 } 8925 8926 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 8927 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 8928 throws PackageManagerException { 8929 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 8930 // If the package has children and this is the first dive in the function 8931 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 8932 // whether all packages (parent and children) would be successfully scanned 8933 // before the actual scan since scanning mutates internal state and we want 8934 // to atomically install the package and its children. 8935 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8936 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8937 scanFlags |= SCAN_CHECK_ONLY; 8938 } 8939 } else { 8940 scanFlags &= ~SCAN_CHECK_ONLY; 8941 } 8942 8943 final PackageParser.Package scannedPkg; 8944 try { 8945 // Scan the parent 8946 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 8947 // Scan the children 8948 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8949 for (int i = 0; i < childCount; i++) { 8950 PackageParser.Package childPkg = pkg.childPackages.get(i); 8951 scanPackageLI(childPkg, policyFlags, 8952 scanFlags, currentTime, user); 8953 } 8954 } finally { 8955 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8956 } 8957 8958 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8959 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 8960 } 8961 8962 return scannedPkg; 8963 } 8964 8965 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 8966 int scanFlags, long currentTime, @Nullable UserHandle user) 8967 throws PackageManagerException { 8968 boolean success = false; 8969 try { 8970 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 8971 currentTime, user); 8972 success = true; 8973 return res; 8974 } finally { 8975 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 8976 // DELETE_DATA_ON_FAILURES is only used by frozen paths 8977 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 8978 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 8979 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 8980 } 8981 } 8982 } 8983 8984 /** 8985 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 8986 */ 8987 private static boolean apkHasCode(String fileName) { 8988 StrictJarFile jarFile = null; 8989 try { 8990 jarFile = new StrictJarFile(fileName, 8991 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 8992 return jarFile.findEntry("classes.dex") != null; 8993 } catch (IOException ignore) { 8994 } finally { 8995 try { 8996 if (jarFile != null) { 8997 jarFile.close(); 8998 } 8999 } catch (IOException ignore) {} 9000 } 9001 return false; 9002 } 9003 9004 /** 9005 * Enforces code policy for the package. This ensures that if an APK has 9006 * declared hasCode="true" in its manifest that the APK actually contains 9007 * code. 9008 * 9009 * @throws PackageManagerException If bytecode could not be found when it should exist 9010 */ 9011 private static void assertCodePolicy(PackageParser.Package pkg) 9012 throws PackageManagerException { 9013 final boolean shouldHaveCode = 9014 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 9015 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 9016 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9017 "Package " + pkg.baseCodePath + " code is missing"); 9018 } 9019 9020 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 9021 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 9022 final boolean splitShouldHaveCode = 9023 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 9024 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 9025 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9026 "Package " + pkg.splitCodePaths[i] + " code is missing"); 9027 } 9028 } 9029 } 9030 } 9031 9032 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 9033 final int policyFlags, final int scanFlags, long currentTime, @Nullable UserHandle user) 9034 throws PackageManagerException { 9035 if (DEBUG_PACKAGE_SCANNING) { 9036 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9037 Log.d(TAG, "Scanning package " + pkg.packageName); 9038 } 9039 9040 applyPolicy(pkg, policyFlags); 9041 9042 assertPackageIsValid(pkg, policyFlags, scanFlags); 9043 9044 // Initialize package source and resource directories 9045 final File scanFile = new File(pkg.codePath); 9046 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 9047 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 9048 9049 SharedUserSetting suid = null; 9050 PackageSetting pkgSetting = null; 9051 9052 // Getting the package setting may have a side-effect, so if we 9053 // are only checking if scan would succeed, stash a copy of the 9054 // old setting to restore at the end. 9055 PackageSetting nonMutatedPs = null; 9056 9057 // We keep references to the derived CPU Abis from settings in oder to reuse 9058 // them in the case where we're not upgrading or booting for the first time. 9059 String primaryCpuAbiFromSettings = null; 9060 String secondaryCpuAbiFromSettings = null; 9061 9062 // writer 9063 synchronized (mPackages) { 9064 if (pkg.mSharedUserId != null) { 9065 // SIDE EFFECTS; may potentially allocate a new shared user 9066 suid = mSettings.getSharedUserLPw( 9067 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 9068 if (DEBUG_PACKAGE_SCANNING) { 9069 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9070 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 9071 + "): packages=" + suid.packages); 9072 } 9073 } 9074 9075 // Check if we are renaming from an original package name. 9076 PackageSetting origPackage = null; 9077 String realName = null; 9078 if (pkg.mOriginalPackages != null) { 9079 // This package may need to be renamed to a previously 9080 // installed name. Let's check on that... 9081 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 9082 if (pkg.mOriginalPackages.contains(renamed)) { 9083 // This package had originally been installed as the 9084 // original name, and we have already taken care of 9085 // transitioning to the new one. Just update the new 9086 // one to continue using the old name. 9087 realName = pkg.mRealPackage; 9088 if (!pkg.packageName.equals(renamed)) { 9089 // Callers into this function may have already taken 9090 // care of renaming the package; only do it here if 9091 // it is not already done. 9092 pkg.setPackageName(renamed); 9093 } 9094 } else { 9095 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 9096 if ((origPackage = mSettings.getPackageLPr( 9097 pkg.mOriginalPackages.get(i))) != null) { 9098 // We do have the package already installed under its 9099 // original name... should we use it? 9100 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 9101 // New package is not compatible with original. 9102 origPackage = null; 9103 continue; 9104 } else if (origPackage.sharedUser != null) { 9105 // Make sure uid is compatible between packages. 9106 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 9107 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 9108 + " to " + pkg.packageName + ": old uid " 9109 + origPackage.sharedUser.name 9110 + " differs from " + pkg.mSharedUserId); 9111 origPackage = null; 9112 continue; 9113 } 9114 // TODO: Add case when shared user id is added [b/28144775] 9115 } else { 9116 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 9117 + pkg.packageName + " to old name " + origPackage.name); 9118 } 9119 break; 9120 } 9121 } 9122 } 9123 } 9124 9125 if (mTransferedPackages.contains(pkg.packageName)) { 9126 Slog.w(TAG, "Package " + pkg.packageName 9127 + " was transferred to another, but its .apk remains"); 9128 } 9129 9130 // See comments in nonMutatedPs declaration 9131 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9132 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9133 if (foundPs != null) { 9134 nonMutatedPs = new PackageSetting(foundPs); 9135 } 9136 } 9137 9138 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 9139 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9140 if (foundPs != null) { 9141 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 9142 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 9143 } 9144 } 9145 9146 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 9147 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 9148 PackageManagerService.reportSettingsProblem(Log.WARN, 9149 "Package " + pkg.packageName + " shared user changed from " 9150 + (pkgSetting.sharedUser != null 9151 ? pkgSetting.sharedUser.name : "<nothing>") 9152 + " to " 9153 + (suid != null ? suid.name : "<nothing>") 9154 + "; replacing with new"); 9155 pkgSetting = null; 9156 } 9157 final PackageSetting oldPkgSetting = 9158 pkgSetting == null ? null : new PackageSetting(pkgSetting); 9159 final PackageSetting disabledPkgSetting = 9160 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 9161 9162 String[] usesStaticLibraries = null; 9163 if (pkg.usesStaticLibraries != null) { 9164 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 9165 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 9166 } 9167 9168 if (pkgSetting == null) { 9169 final String parentPackageName = (pkg.parentPackage != null) 9170 ? pkg.parentPackage.packageName : null; 9171 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 9172 // REMOVE SharedUserSetting from method; update in a separate call 9173 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 9174 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 9175 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 9176 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 9177 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 9178 true /*allowInstall*/, instantApp, parentPackageName, 9179 pkg.getChildPackageNames(), UserManagerService.getInstance(), 9180 usesStaticLibraries, pkg.usesStaticLibrariesVersions); 9181 // SIDE EFFECTS; updates system state; move elsewhere 9182 if (origPackage != null) { 9183 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 9184 } 9185 mSettings.addUserToSettingLPw(pkgSetting); 9186 } else { 9187 // REMOVE SharedUserSetting from method; update in a separate call. 9188 // 9189 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 9190 // secondaryCpuAbi are not known at this point so we always update them 9191 // to null here, only to reset them at a later point. 9192 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 9193 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 9194 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 9195 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 9196 UserManagerService.getInstance(), usesStaticLibraries, 9197 pkg.usesStaticLibrariesVersions); 9198 } 9199 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 9200 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 9201 9202 // SIDE EFFECTS; modifies system state; move elsewhere 9203 if (pkgSetting.origPackage != null) { 9204 // If we are first transitioning from an original package, 9205 // fix up the new package's name now. We need to do this after 9206 // looking up the package under its new name, so getPackageLP 9207 // can take care of fiddling things correctly. 9208 pkg.setPackageName(origPackage.name); 9209 9210 // File a report about this. 9211 String msg = "New package " + pkgSetting.realName 9212 + " renamed to replace old package " + pkgSetting.name; 9213 reportSettingsProblem(Log.WARN, msg); 9214 9215 // Make a note of it. 9216 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9217 mTransferedPackages.add(origPackage.name); 9218 } 9219 9220 // No longer need to retain this. 9221 pkgSetting.origPackage = null; 9222 } 9223 9224 // SIDE EFFECTS; modifies system state; move elsewhere 9225 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 9226 // Make a note of it. 9227 mTransferedPackages.add(pkg.packageName); 9228 } 9229 9230 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 9231 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9232 } 9233 9234 if ((scanFlags & SCAN_BOOTING) == 0 9235 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9236 // Check all shared libraries and map to their actual file path. 9237 // We only do this here for apps not on a system dir, because those 9238 // are the only ones that can fail an install due to this. We 9239 // will take care of the system apps by updating all of their 9240 // library paths after the scan is done. Also during the initial 9241 // scan don't update any libs as we do this wholesale after all 9242 // apps are scanned to avoid dependency based scanning. 9243 updateSharedLibrariesLPr(pkg, null); 9244 } 9245 9246 if (mFoundPolicyFile) { 9247 SELinuxMMAC.assignSeInfoValue(pkg); 9248 } 9249 pkg.applicationInfo.uid = pkgSetting.appId; 9250 pkg.mExtras = pkgSetting; 9251 9252 9253 // Static shared libs have same package with different versions where 9254 // we internally use a synthetic package name to allow multiple versions 9255 // of the same package, therefore we need to compare signatures against 9256 // the package setting for the latest library version. 9257 PackageSetting signatureCheckPs = pkgSetting; 9258 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9259 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 9260 if (libraryEntry != null) { 9261 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 9262 } 9263 } 9264 9265 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 9266 if (checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 9267 // We just determined the app is signed correctly, so bring 9268 // over the latest parsed certs. 9269 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9270 } else { 9271 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9272 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9273 "Package " + pkg.packageName + " upgrade keys do not match the " 9274 + "previously installed version"); 9275 } else { 9276 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9277 String msg = "System package " + pkg.packageName 9278 + " signature changed; retaining data."; 9279 reportSettingsProblem(Log.WARN, msg); 9280 } 9281 } 9282 } else { 9283 try { 9284 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 9285 verifySignaturesLP(signatureCheckPs, pkg); 9286 // We just determined the app is signed correctly, so bring 9287 // over the latest parsed certs. 9288 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9289 } catch (PackageManagerException e) { 9290 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9291 throw e; 9292 } 9293 // The signature has changed, but this package is in the system 9294 // image... let's recover! 9295 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9296 // However... if this package is part of a shared user, but it 9297 // doesn't match the signature of the shared user, let's fail. 9298 // What this means is that you can't change the signatures 9299 // associated with an overall shared user, which doesn't seem all 9300 // that unreasonable. 9301 if (signatureCheckPs.sharedUser != null) { 9302 if (compareSignatures(signatureCheckPs.sharedUser.signatures.mSignatures, 9303 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 9304 throw new PackageManagerException( 9305 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9306 "Signature mismatch for shared user: " 9307 + pkgSetting.sharedUser); 9308 } 9309 } 9310 // File a report about this. 9311 String msg = "System package " + pkg.packageName 9312 + " signature changed; retaining data."; 9313 reportSettingsProblem(Log.WARN, msg); 9314 } 9315 } 9316 9317 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 9318 // This package wants to adopt ownership of permissions from 9319 // another package. 9320 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 9321 final String origName = pkg.mAdoptPermissions.get(i); 9322 final PackageSetting orig = mSettings.getPackageLPr(origName); 9323 if (orig != null) { 9324 if (verifyPackageUpdateLPr(orig, pkg)) { 9325 Slog.i(TAG, "Adopting permissions from " + origName + " to " 9326 + pkg.packageName); 9327 // SIDE EFFECTS; updates permissions system state; move elsewhere 9328 mSettings.transferPermissionsLPw(origName, pkg.packageName); 9329 } 9330 } 9331 } 9332 } 9333 } 9334 9335 pkg.applicationInfo.processName = fixProcessName( 9336 pkg.applicationInfo.packageName, 9337 pkg.applicationInfo.processName); 9338 9339 if (pkg != mPlatformPackage) { 9340 // Get all of our default paths setup 9341 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 9342 } 9343 9344 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 9345 9346 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 9347 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 9348 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 9349 derivePackageAbi( 9350 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 9351 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9352 9353 // Some system apps still use directory structure for native libraries 9354 // in which case we might end up not detecting abi solely based on apk 9355 // structure. Try to detect abi based on directory structure. 9356 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 9357 pkg.applicationInfo.primaryCpuAbi == null) { 9358 setBundledAppAbisAndRoots(pkg, pkgSetting); 9359 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9360 } 9361 } else { 9362 // This is not a first boot or an upgrade, don't bother deriving the 9363 // ABI during the scan. Instead, trust the value that was stored in the 9364 // package setting. 9365 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 9366 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 9367 9368 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9369 9370 if (DEBUG_ABI_SELECTION) { 9371 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 9372 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 9373 pkg.applicationInfo.secondaryCpuAbi); 9374 } 9375 } 9376 } else { 9377 if ((scanFlags & SCAN_MOVE) != 0) { 9378 // We haven't run dex-opt for this move (since we've moved the compiled output too) 9379 // but we already have this packages package info in the PackageSetting. We just 9380 // use that and derive the native library path based on the new codepath. 9381 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 9382 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 9383 } 9384 9385 // Set native library paths again. For moves, the path will be updated based on the 9386 // ABIs we've determined above. For non-moves, the path will be updated based on the 9387 // ABIs we determined during compilation, but the path will depend on the final 9388 // package path (after the rename away from the stage path). 9389 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9390 } 9391 9392 // This is a special case for the "system" package, where the ABI is 9393 // dictated by the zygote configuration (and init.rc). We should keep track 9394 // of this ABI so that we can deal with "normal" applications that run under 9395 // the same UID correctly. 9396 if (mPlatformPackage == pkg) { 9397 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 9398 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 9399 } 9400 9401 // If there's a mismatch between the abi-override in the package setting 9402 // and the abiOverride specified for the install. Warn about this because we 9403 // would've already compiled the app without taking the package setting into 9404 // account. 9405 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 9406 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 9407 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 9408 " for package " + pkg.packageName); 9409 } 9410 } 9411 9412 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9413 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9414 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 9415 9416 // Copy the derived override back to the parsed package, so that we can 9417 // update the package settings accordingly. 9418 pkg.cpuAbiOverride = cpuAbiOverride; 9419 9420 if (DEBUG_ABI_SELECTION) { 9421 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 9422 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 9423 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 9424 } 9425 9426 // Push the derived path down into PackageSettings so we know what to 9427 // clean up at uninstall time. 9428 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 9429 9430 if (DEBUG_ABI_SELECTION) { 9431 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 9432 " primary=" + pkg.applicationInfo.primaryCpuAbi + 9433 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 9434 } 9435 9436 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 9437 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 9438 // We don't do this here during boot because we can do it all 9439 // at once after scanning all existing packages. 9440 // 9441 // We also do this *before* we perform dexopt on this package, so that 9442 // we can avoid redundant dexopts, and also to make sure we've got the 9443 // code and package path correct. 9444 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 9445 } 9446 9447 if (mFactoryTest && pkg.requestedPermissions.contains( 9448 android.Manifest.permission.FACTORY_TEST)) { 9449 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 9450 } 9451 9452 if (isSystemApp(pkg)) { 9453 pkgSetting.isOrphaned = true; 9454 } 9455 9456 // Take care of first install / last update times. 9457 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 9458 if (currentTime != 0) { 9459 if (pkgSetting.firstInstallTime == 0) { 9460 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 9461 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 9462 pkgSetting.lastUpdateTime = currentTime; 9463 } 9464 } else if (pkgSetting.firstInstallTime == 0) { 9465 // We need *something*. Take time time stamp of the file. 9466 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 9467 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 9468 if (scanFileTime != pkgSetting.timeStamp) { 9469 // A package on the system image has changed; consider this 9470 // to be an update. 9471 pkgSetting.lastUpdateTime = scanFileTime; 9472 } 9473 } 9474 pkgSetting.setTimeStamp(scanFileTime); 9475 9476 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9477 if (nonMutatedPs != null) { 9478 synchronized (mPackages) { 9479 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 9480 } 9481 } 9482 } else { 9483 final int userId = user == null ? 0 : user.getIdentifier(); 9484 // Modify state for the given package setting 9485 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 9486 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 9487 if (pkgSetting.getInstantApp(userId)) { 9488 mInstantAppRegistry.addInstantAppLPw(userId, pkgSetting.appId); 9489 } 9490 } 9491 return pkg; 9492 } 9493 9494 /** 9495 * Applies policy to the parsed package based upon the given policy flags. 9496 * Ensures the package is in a good state. 9497 * <p> 9498 * Implementation detail: This method must NOT have any side effect. It would 9499 * ideally be static, but, it requires locks to read system state. 9500 */ 9501 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 9502 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 9503 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 9504 if (pkg.applicationInfo.isDirectBootAware()) { 9505 // we're direct boot aware; set for all components 9506 for (PackageParser.Service s : pkg.services) { 9507 s.info.encryptionAware = s.info.directBootAware = true; 9508 } 9509 for (PackageParser.Provider p : pkg.providers) { 9510 p.info.encryptionAware = p.info.directBootAware = true; 9511 } 9512 for (PackageParser.Activity a : pkg.activities) { 9513 a.info.encryptionAware = a.info.directBootAware = true; 9514 } 9515 for (PackageParser.Activity r : pkg.receivers) { 9516 r.info.encryptionAware = r.info.directBootAware = true; 9517 } 9518 } 9519 } else { 9520 // Only allow system apps to be flagged as core apps. 9521 pkg.coreApp = false; 9522 // clear flags not applicable to regular apps 9523 pkg.applicationInfo.privateFlags &= 9524 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 9525 pkg.applicationInfo.privateFlags &= 9526 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 9527 } 9528 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 9529 9530 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 9531 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 9532 } 9533 9534 if (!isSystemApp(pkg)) { 9535 // Only system apps can use these features. 9536 pkg.mOriginalPackages = null; 9537 pkg.mRealPackage = null; 9538 pkg.mAdoptPermissions = null; 9539 } 9540 } 9541 9542 /** 9543 * Asserts the parsed package is valid according to the given policy. If the 9544 * package is invalid, for whatever reason, throws {@link PackageManagerException}. 9545 * <p> 9546 * Implementation detail: This method must NOT have any side effects. It would 9547 * ideally be static, but, it requires locks to read system state. 9548 * 9549 * @throws PackageManagerException If the package fails any of the validation checks 9550 */ 9551 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 9552 throws PackageManagerException { 9553 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 9554 assertCodePolicy(pkg); 9555 } 9556 9557 if (pkg.applicationInfo.getCodePath() == null || 9558 pkg.applicationInfo.getResourcePath() == null) { 9559 // Bail out. The resource and code paths haven't been set. 9560 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9561 "Code and resource paths haven't been set correctly"); 9562 } 9563 9564 // Make sure we're not adding any bogus keyset info 9565 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9566 ksms.assertScannedPackageValid(pkg); 9567 9568 synchronized (mPackages) { 9569 // The special "android" package can only be defined once 9570 if (pkg.packageName.equals("android")) { 9571 if (mAndroidApplication != null) { 9572 Slog.w(TAG, "*************************************************"); 9573 Slog.w(TAG, "Core android package being redefined. Skipping."); 9574 Slog.w(TAG, " codePath=" + pkg.codePath); 9575 Slog.w(TAG, "*************************************************"); 9576 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9577 "Core android package being redefined. Skipping."); 9578 } 9579 } 9580 9581 // A package name must be unique; don't allow duplicates 9582 if (mPackages.containsKey(pkg.packageName)) { 9583 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9584 "Application package " + pkg.packageName 9585 + " already installed. Skipping duplicate."); 9586 } 9587 9588 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9589 // Static libs have a synthetic package name containing the version 9590 // but we still want the base name to be unique. 9591 if (mPackages.containsKey(pkg.manifestPackageName)) { 9592 throw new PackageManagerException( 9593 "Duplicate static shared lib provider package"); 9594 } 9595 9596 // Static shared libraries should have at least O target SDK 9597 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 9598 throw new PackageManagerException( 9599 "Packages declaring static-shared libs must target O SDK or higher"); 9600 } 9601 9602 // Package declaring static a shared lib cannot be instant apps 9603 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 9604 throw new PackageManagerException( 9605 "Packages declaring static-shared libs cannot be instant apps"); 9606 } 9607 9608 // Package declaring static a shared lib cannot be renamed since the package 9609 // name is synthetic and apps can't code around package manager internals. 9610 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 9611 throw new PackageManagerException( 9612 "Packages declaring static-shared libs cannot be renamed"); 9613 } 9614 9615 // Package declaring static a shared lib cannot declare child packages 9616 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 9617 throw new PackageManagerException( 9618 "Packages declaring static-shared libs cannot have child packages"); 9619 } 9620 9621 // Package declaring static a shared lib cannot declare dynamic libs 9622 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 9623 throw new PackageManagerException( 9624 "Packages declaring static-shared libs cannot declare dynamic libs"); 9625 } 9626 9627 // Package declaring static a shared lib cannot declare shared users 9628 if (pkg.mSharedUserId != null) { 9629 throw new PackageManagerException( 9630 "Packages declaring static-shared libs cannot declare shared users"); 9631 } 9632 9633 // Static shared libs cannot declare activities 9634 if (!pkg.activities.isEmpty()) { 9635 throw new PackageManagerException( 9636 "Static shared libs cannot declare activities"); 9637 } 9638 9639 // Static shared libs cannot declare services 9640 if (!pkg.services.isEmpty()) { 9641 throw new PackageManagerException( 9642 "Static shared libs cannot declare services"); 9643 } 9644 9645 // Static shared libs cannot declare providers 9646 if (!pkg.providers.isEmpty()) { 9647 throw new PackageManagerException( 9648 "Static shared libs cannot declare content providers"); 9649 } 9650 9651 // Static shared libs cannot declare receivers 9652 if (!pkg.receivers.isEmpty()) { 9653 throw new PackageManagerException( 9654 "Static shared libs cannot declare broadcast receivers"); 9655 } 9656 9657 // Static shared libs cannot declare permission groups 9658 if (!pkg.permissionGroups.isEmpty()) { 9659 throw new PackageManagerException( 9660 "Static shared libs cannot declare permission groups"); 9661 } 9662 9663 // Static shared libs cannot declare permissions 9664 if (!pkg.permissions.isEmpty()) { 9665 throw new PackageManagerException( 9666 "Static shared libs cannot declare permissions"); 9667 } 9668 9669 // Static shared libs cannot declare protected broadcasts 9670 if (pkg.protectedBroadcasts != null) { 9671 throw new PackageManagerException( 9672 "Static shared libs cannot declare protected broadcasts"); 9673 } 9674 9675 // Static shared libs cannot be overlay targets 9676 if (pkg.mOverlayTarget != null) { 9677 throw new PackageManagerException( 9678 "Static shared libs cannot be overlay targets"); 9679 } 9680 9681 // The version codes must be ordered as lib versions 9682 int minVersionCode = Integer.MIN_VALUE; 9683 int maxVersionCode = Integer.MAX_VALUE; 9684 9685 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9686 pkg.staticSharedLibName); 9687 if (versionedLib != null) { 9688 final int versionCount = versionedLib.size(); 9689 for (int i = 0; i < versionCount; i++) { 9690 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 9691 // TODO: We will change version code to long, so in the new API it is long 9692 final int libVersionCode = (int) libInfo.getDeclaringPackage() 9693 .getVersionCode(); 9694 if (libInfo.getVersion() < pkg.staticSharedLibVersion) { 9695 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 9696 } else if (libInfo.getVersion() > pkg.staticSharedLibVersion) { 9697 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 9698 } else { 9699 minVersionCode = maxVersionCode = libVersionCode; 9700 break; 9701 } 9702 } 9703 } 9704 if (pkg.mVersionCode < minVersionCode || pkg.mVersionCode > maxVersionCode) { 9705 throw new PackageManagerException("Static shared" 9706 + " lib version codes must be ordered as lib versions"); 9707 } 9708 } 9709 9710 // Only privileged apps and updated privileged apps can add child packages. 9711 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 9712 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 9713 throw new PackageManagerException("Only privileged apps can add child " 9714 + "packages. Ignoring package " + pkg.packageName); 9715 } 9716 final int childCount = pkg.childPackages.size(); 9717 for (int i = 0; i < childCount; i++) { 9718 PackageParser.Package childPkg = pkg.childPackages.get(i); 9719 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 9720 childPkg.packageName)) { 9721 throw new PackageManagerException("Can't override child of " 9722 + "another disabled app. Ignoring package " + pkg.packageName); 9723 } 9724 } 9725 } 9726 9727 // If we're only installing presumed-existing packages, require that the 9728 // scanned APK is both already known and at the path previously established 9729 // for it. Previously unknown packages we pick up normally, but if we have an 9730 // a priori expectation about this package's install presence, enforce it. 9731 // With a singular exception for new system packages. When an OTA contains 9732 // a new system package, we allow the codepath to change from a system location 9733 // to the user-installed location. If we don't allow this change, any newer, 9734 // user-installed version of the application will be ignored. 9735 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 9736 if (mExpectingBetter.containsKey(pkg.packageName)) { 9737 logCriticalInfo(Log.WARN, 9738 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 9739 } else { 9740 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 9741 if (known != null) { 9742 if (DEBUG_PACKAGE_SCANNING) { 9743 Log.d(TAG, "Examining " + pkg.codePath 9744 + " and requiring known paths " + known.codePathString 9745 + " & " + known.resourcePathString); 9746 } 9747 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 9748 || !pkg.applicationInfo.getResourcePath().equals( 9749 known.resourcePathString)) { 9750 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 9751 "Application package " + pkg.packageName 9752 + " found at " + pkg.applicationInfo.getCodePath() 9753 + " but expected at " + known.codePathString 9754 + "; ignoring."); 9755 } 9756 } 9757 } 9758 } 9759 9760 // Verify that this new package doesn't have any content providers 9761 // that conflict with existing packages. Only do this if the 9762 // package isn't already installed, since we don't want to break 9763 // things that are installed. 9764 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 9765 final int N = pkg.providers.size(); 9766 int i; 9767 for (i=0; i<N; i++) { 9768 PackageParser.Provider p = pkg.providers.get(i); 9769 if (p.info.authority != null) { 9770 String names[] = p.info.authority.split(";"); 9771 for (int j = 0; j < names.length; j++) { 9772 if (mProvidersByAuthority.containsKey(names[j])) { 9773 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9774 final String otherPackageName = 9775 ((other != null && other.getComponentName() != null) ? 9776 other.getComponentName().getPackageName() : "?"); 9777 throw new PackageManagerException( 9778 INSTALL_FAILED_CONFLICTING_PROVIDER, 9779 "Can't install because provider name " + names[j] 9780 + " (in package " + pkg.applicationInfo.packageName 9781 + ") is already used by " + otherPackageName); 9782 } 9783 } 9784 } 9785 } 9786 } 9787 } 9788 } 9789 9790 private boolean addSharedLibraryLPw(String path, String apk, String name, int version, 9791 int type, String declaringPackageName, int declaringVersionCode) { 9792 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9793 if (versionedLib == null) { 9794 versionedLib = new SparseArray<>(); 9795 mSharedLibraries.put(name, versionedLib); 9796 if (type == SharedLibraryInfo.TYPE_STATIC) { 9797 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 9798 } 9799 } else if (versionedLib.indexOfKey(version) >= 0) { 9800 return false; 9801 } 9802 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 9803 version, type, declaringPackageName, declaringVersionCode); 9804 versionedLib.put(version, libEntry); 9805 return true; 9806 } 9807 9808 private boolean removeSharedLibraryLPw(String name, int version) { 9809 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9810 if (versionedLib == null) { 9811 return false; 9812 } 9813 final int libIdx = versionedLib.indexOfKey(version); 9814 if (libIdx < 0) { 9815 return false; 9816 } 9817 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 9818 versionedLib.remove(version); 9819 if (versionedLib.size() <= 0) { 9820 mSharedLibraries.remove(name); 9821 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 9822 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 9823 .getPackageName()); 9824 } 9825 } 9826 return true; 9827 } 9828 9829 /** 9830 * Adds a scanned package to the system. When this method is finished, the package will 9831 * be available for query, resolution, etc... 9832 */ 9833 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 9834 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 9835 final String pkgName = pkg.packageName; 9836 if (mCustomResolverComponentName != null && 9837 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 9838 setUpCustomResolverActivity(pkg); 9839 } 9840 9841 if (pkg.packageName.equals("android")) { 9842 synchronized (mPackages) { 9843 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9844 // Set up information for our fall-back user intent resolution activity. 9845 mPlatformPackage = pkg; 9846 pkg.mVersionCode = mSdkVersion; 9847 mAndroidApplication = pkg.applicationInfo; 9848 if (!mResolverReplaced) { 9849 mResolveActivity.applicationInfo = mAndroidApplication; 9850 mResolveActivity.name = ResolverActivity.class.getName(); 9851 mResolveActivity.packageName = mAndroidApplication.packageName; 9852 mResolveActivity.processName = "system:ui"; 9853 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9854 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 9855 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 9856 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 9857 mResolveActivity.exported = true; 9858 mResolveActivity.enabled = true; 9859 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 9860 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 9861 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 9862 | ActivityInfo.CONFIG_SCREEN_LAYOUT 9863 | ActivityInfo.CONFIG_ORIENTATION 9864 | ActivityInfo.CONFIG_KEYBOARD 9865 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 9866 mResolveInfo.activityInfo = mResolveActivity; 9867 mResolveInfo.priority = 0; 9868 mResolveInfo.preferredOrder = 0; 9869 mResolveInfo.match = 0; 9870 mResolveComponentName = new ComponentName( 9871 mAndroidApplication.packageName, mResolveActivity.name); 9872 } 9873 } 9874 } 9875 } 9876 9877 ArrayList<PackageParser.Package> clientLibPkgs = null; 9878 // writer 9879 synchronized (mPackages) { 9880 boolean hasStaticSharedLibs = false; 9881 9882 // Any app can add new static shared libraries 9883 if (pkg.staticSharedLibName != null) { 9884 // Static shared libs don't allow renaming as they have synthetic package 9885 // names to allow install of multiple versions, so use name from manifest. 9886 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 9887 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 9888 pkg.manifestPackageName, pkg.mVersionCode)) { 9889 hasStaticSharedLibs = true; 9890 } else { 9891 Slog.w(TAG, "Package " + pkg.packageName + " library " 9892 + pkg.staticSharedLibName + " already exists; skipping"); 9893 } 9894 // Static shared libs cannot be updated once installed since they 9895 // use synthetic package name which includes the version code, so 9896 // not need to update other packages's shared lib dependencies. 9897 } 9898 9899 if (!hasStaticSharedLibs 9900 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 9901 // Only system apps can add new dynamic shared libraries. 9902 if (pkg.libraryNames != null) { 9903 for (int i = 0; i < pkg.libraryNames.size(); i++) { 9904 String name = pkg.libraryNames.get(i); 9905 boolean allowed = false; 9906 if (pkg.isUpdatedSystemApp()) { 9907 // New library entries can only be added through the 9908 // system image. This is important to get rid of a lot 9909 // of nasty edge cases: for example if we allowed a non- 9910 // system update of the app to add a library, then uninstalling 9911 // the update would make the library go away, and assumptions 9912 // we made such as through app install filtering would now 9913 // have allowed apps on the device which aren't compatible 9914 // with it. Better to just have the restriction here, be 9915 // conservative, and create many fewer cases that can negatively 9916 // impact the user experience. 9917 final PackageSetting sysPs = mSettings 9918 .getDisabledSystemPkgLPr(pkg.packageName); 9919 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 9920 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 9921 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 9922 allowed = true; 9923 break; 9924 } 9925 } 9926 } 9927 } else { 9928 allowed = true; 9929 } 9930 if (allowed) { 9931 if (!addSharedLibraryLPw(null, pkg.packageName, name, 9932 SharedLibraryInfo.VERSION_UNDEFINED, 9933 SharedLibraryInfo.TYPE_DYNAMIC, 9934 pkg.packageName, pkg.mVersionCode)) { 9935 Slog.w(TAG, "Package " + pkg.packageName + " library " 9936 + name + " already exists; skipping"); 9937 } 9938 } else { 9939 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 9940 + name + " that is not declared on system image; skipping"); 9941 } 9942 } 9943 9944 if ((scanFlags & SCAN_BOOTING) == 0) { 9945 // If we are not booting, we need to update any applications 9946 // that are clients of our shared library. If we are booting, 9947 // this will all be done once the scan is complete. 9948 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 9949 } 9950 } 9951 } 9952 } 9953 9954 if ((scanFlags & SCAN_BOOTING) != 0) { 9955 // No apps can run during boot scan, so they don't need to be frozen 9956 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 9957 // Caller asked to not kill app, so it's probably not frozen 9958 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 9959 // Caller asked us to ignore frozen check for some reason; they 9960 // probably didn't know the package name 9961 } else { 9962 // We're doing major surgery on this package, so it better be frozen 9963 // right now to keep it from launching 9964 checkPackageFrozen(pkgName); 9965 } 9966 9967 // Also need to kill any apps that are dependent on the library. 9968 if (clientLibPkgs != null) { 9969 for (int i=0; i<clientLibPkgs.size(); i++) { 9970 PackageParser.Package clientPkg = clientLibPkgs.get(i); 9971 killApplication(clientPkg.applicationInfo.packageName, 9972 clientPkg.applicationInfo.uid, "update lib"); 9973 } 9974 } 9975 9976 // writer 9977 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 9978 9979 synchronized (mPackages) { 9980 // We don't expect installation to fail beyond this point 9981 9982 // Add the new setting to mSettings 9983 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 9984 // Add the new setting to mPackages 9985 mPackages.put(pkg.applicationInfo.packageName, pkg); 9986 // Make sure we don't accidentally delete its data. 9987 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 9988 while (iter.hasNext()) { 9989 PackageCleanItem item = iter.next(); 9990 if (pkgName.equals(item.packageName)) { 9991 iter.remove(); 9992 } 9993 } 9994 9995 // Add the package's KeySets to the global KeySetManagerService 9996 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9997 ksms.addScannedPackageLPw(pkg); 9998 9999 int N = pkg.providers.size(); 10000 StringBuilder r = null; 10001 int i; 10002 for (i=0; i<N; i++) { 10003 PackageParser.Provider p = pkg.providers.get(i); 10004 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 10005 p.info.processName); 10006 mProviders.addProvider(p); 10007 p.syncable = p.info.isSyncable; 10008 if (p.info.authority != null) { 10009 String names[] = p.info.authority.split(";"); 10010 p.info.authority = null; 10011 for (int j = 0; j < names.length; j++) { 10012 if (j == 1 && p.syncable) { 10013 // We only want the first authority for a provider to possibly be 10014 // syncable, so if we already added this provider using a different 10015 // authority clear the syncable flag. We copy the provider before 10016 // changing it because the mProviders object contains a reference 10017 // to a provider that we don't want to change. 10018 // Only do this for the second authority since the resulting provider 10019 // object can be the same for all future authorities for this provider. 10020 p = new PackageParser.Provider(p); 10021 p.syncable = false; 10022 } 10023 if (!mProvidersByAuthority.containsKey(names[j])) { 10024 mProvidersByAuthority.put(names[j], p); 10025 if (p.info.authority == null) { 10026 p.info.authority = names[j]; 10027 } else { 10028 p.info.authority = p.info.authority + ";" + names[j]; 10029 } 10030 if (DEBUG_PACKAGE_SCANNING) { 10031 if (chatty) 10032 Log.d(TAG, "Registered content provider: " + names[j] 10033 + ", className = " + p.info.name + ", isSyncable = " 10034 + p.info.isSyncable); 10035 } 10036 } else { 10037 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 10038 Slog.w(TAG, "Skipping provider name " + names[j] + 10039 " (in package " + pkg.applicationInfo.packageName + 10040 "): name already used by " 10041 + ((other != null && other.getComponentName() != null) 10042 ? other.getComponentName().getPackageName() : "?")); 10043 } 10044 } 10045 } 10046 if (chatty) { 10047 if (r == null) { 10048 r = new StringBuilder(256); 10049 } else { 10050 r.append(' '); 10051 } 10052 r.append(p.info.name); 10053 } 10054 } 10055 if (r != null) { 10056 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 10057 } 10058 10059 N = pkg.services.size(); 10060 r = null; 10061 for (i=0; i<N; i++) { 10062 PackageParser.Service s = pkg.services.get(i); 10063 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 10064 s.info.processName); 10065 mServices.addService(s); 10066 if (chatty) { 10067 if (r == null) { 10068 r = new StringBuilder(256); 10069 } else { 10070 r.append(' '); 10071 } 10072 r.append(s.info.name); 10073 } 10074 } 10075 if (r != null) { 10076 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 10077 } 10078 10079 N = pkg.receivers.size(); 10080 r = null; 10081 for (i=0; i<N; i++) { 10082 PackageParser.Activity a = pkg.receivers.get(i); 10083 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10084 a.info.processName); 10085 mReceivers.addActivity(a, "receiver"); 10086 if (chatty) { 10087 if (r == null) { 10088 r = new StringBuilder(256); 10089 } else { 10090 r.append(' '); 10091 } 10092 r.append(a.info.name); 10093 } 10094 } 10095 if (r != null) { 10096 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 10097 } 10098 10099 N = pkg.activities.size(); 10100 r = null; 10101 for (i=0; i<N; i++) { 10102 PackageParser.Activity a = pkg.activities.get(i); 10103 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10104 a.info.processName); 10105 mActivities.addActivity(a, "activity"); 10106 if (chatty) { 10107 if (r == null) { 10108 r = new StringBuilder(256); 10109 } else { 10110 r.append(' '); 10111 } 10112 r.append(a.info.name); 10113 } 10114 } 10115 if (r != null) { 10116 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 10117 } 10118 10119 N = pkg.permissionGroups.size(); 10120 r = null; 10121 for (i=0; i<N; i++) { 10122 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 10123 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 10124 final String curPackageName = cur == null ? null : cur.info.packageName; 10125 // Dont allow ephemeral apps to define new permission groups. 10126 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10127 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10128 + pg.info.packageName 10129 + " ignored: instant apps cannot define new permission groups."); 10130 continue; 10131 } 10132 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 10133 if (cur == null || isPackageUpdate) { 10134 mPermissionGroups.put(pg.info.name, pg); 10135 if (chatty) { 10136 if (r == null) { 10137 r = new StringBuilder(256); 10138 } else { 10139 r.append(' '); 10140 } 10141 if (isPackageUpdate) { 10142 r.append("UPD:"); 10143 } 10144 r.append(pg.info.name); 10145 } 10146 } else { 10147 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10148 + pg.info.packageName + " ignored: original from " 10149 + cur.info.packageName); 10150 if (chatty) { 10151 if (r == null) { 10152 r = new StringBuilder(256); 10153 } else { 10154 r.append(' '); 10155 } 10156 r.append("DUP:"); 10157 r.append(pg.info.name); 10158 } 10159 } 10160 } 10161 if (r != null) { 10162 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 10163 } 10164 10165 N = pkg.permissions.size(); 10166 r = null; 10167 for (i=0; i<N; i++) { 10168 PackageParser.Permission p = pkg.permissions.get(i); 10169 10170 // Dont allow ephemeral apps to define new permissions. 10171 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10172 Slog.w(TAG, "Permission " + p.info.name + " from package " 10173 + p.info.packageName 10174 + " ignored: instant apps cannot define new permissions."); 10175 continue; 10176 } 10177 10178 // Assume by default that we did not install this permission into the system. 10179 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 10180 10181 // Now that permission groups have a special meaning, we ignore permission 10182 // groups for legacy apps to prevent unexpected behavior. In particular, 10183 // permissions for one app being granted to someone just becase they happen 10184 // to be in a group defined by another app (before this had no implications). 10185 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 10186 p.group = mPermissionGroups.get(p.info.group); 10187 // Warn for a permission in an unknown group. 10188 if (p.info.group != null && p.group == null) { 10189 Slog.w(TAG, "Permission " + p.info.name + " from package " 10190 + p.info.packageName + " in an unknown group " + p.info.group); 10191 } 10192 } 10193 10194 ArrayMap<String, BasePermission> permissionMap = 10195 p.tree ? mSettings.mPermissionTrees 10196 : mSettings.mPermissions; 10197 BasePermission bp = permissionMap.get(p.info.name); 10198 10199 // Allow system apps to redefine non-system permissions 10200 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 10201 final boolean currentOwnerIsSystem = (bp.perm != null 10202 && isSystemApp(bp.perm.owner)); 10203 if (isSystemApp(p.owner)) { 10204 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 10205 // It's a built-in permission and no owner, take ownership now 10206 bp.packageSetting = pkgSetting; 10207 bp.perm = p; 10208 bp.uid = pkg.applicationInfo.uid; 10209 bp.sourcePackage = p.info.packageName; 10210 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10211 } else if (!currentOwnerIsSystem) { 10212 String msg = "New decl " + p.owner + " of permission " 10213 + p.info.name + " is system; overriding " + bp.sourcePackage; 10214 reportSettingsProblem(Log.WARN, msg); 10215 bp = null; 10216 } 10217 } 10218 } 10219 10220 if (bp == null) { 10221 bp = new BasePermission(p.info.name, p.info.packageName, 10222 BasePermission.TYPE_NORMAL); 10223 permissionMap.put(p.info.name, bp); 10224 } 10225 10226 if (bp.perm == null) { 10227 if (bp.sourcePackage == null 10228 || bp.sourcePackage.equals(p.info.packageName)) { 10229 BasePermission tree = findPermissionTreeLP(p.info.name); 10230 if (tree == null 10231 || tree.sourcePackage.equals(p.info.packageName)) { 10232 bp.packageSetting = pkgSetting; 10233 bp.perm = p; 10234 bp.uid = pkg.applicationInfo.uid; 10235 bp.sourcePackage = p.info.packageName; 10236 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10237 if (chatty) { 10238 if (r == null) { 10239 r = new StringBuilder(256); 10240 } else { 10241 r.append(' '); 10242 } 10243 r.append(p.info.name); 10244 } 10245 } else { 10246 Slog.w(TAG, "Permission " + p.info.name + " from package " 10247 + p.info.packageName + " ignored: base tree " 10248 + tree.name + " is from package " 10249 + tree.sourcePackage); 10250 } 10251 } else { 10252 Slog.w(TAG, "Permission " + p.info.name + " from package " 10253 + p.info.packageName + " ignored: original from " 10254 + bp.sourcePackage); 10255 } 10256 } else if (chatty) { 10257 if (r == null) { 10258 r = new StringBuilder(256); 10259 } else { 10260 r.append(' '); 10261 } 10262 r.append("DUP:"); 10263 r.append(p.info.name); 10264 } 10265 if (bp.perm == p) { 10266 bp.protectionLevel = p.info.protectionLevel; 10267 } 10268 } 10269 10270 if (r != null) { 10271 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 10272 } 10273 10274 N = pkg.instrumentation.size(); 10275 r = null; 10276 for (i=0; i<N; i++) { 10277 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 10278 a.info.packageName = pkg.applicationInfo.packageName; 10279 a.info.sourceDir = pkg.applicationInfo.sourceDir; 10280 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 10281 a.info.splitNames = pkg.splitNames; 10282 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 10283 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 10284 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 10285 a.info.dataDir = pkg.applicationInfo.dataDir; 10286 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 10287 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 10288 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 10289 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 10290 mInstrumentation.put(a.getComponentName(), a); 10291 if (chatty) { 10292 if (r == null) { 10293 r = new StringBuilder(256); 10294 } else { 10295 r.append(' '); 10296 } 10297 r.append(a.info.name); 10298 } 10299 } 10300 if (r != null) { 10301 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 10302 } 10303 10304 if (pkg.protectedBroadcasts != null) { 10305 N = pkg.protectedBroadcasts.size(); 10306 for (i=0; i<N; i++) { 10307 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 10308 } 10309 } 10310 } 10311 10312 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10313 } 10314 10315 /** 10316 * Derive the ABI of a non-system package located at {@code scanFile}. This information 10317 * is derived purely on the basis of the contents of {@code scanFile} and 10318 * {@code cpuAbiOverride}. 10319 * 10320 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 10321 */ 10322 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 10323 String cpuAbiOverride, boolean extractLibs, 10324 File appLib32InstallDir) 10325 throws PackageManagerException { 10326 // Give ourselves some initial paths; we'll come back for another 10327 // pass once we've determined ABI below. 10328 setNativeLibraryPaths(pkg, appLib32InstallDir); 10329 10330 // We would never need to extract libs for forward-locked and external packages, 10331 // since the container service will do it for us. We shouldn't attempt to 10332 // extract libs from system app when it was not updated. 10333 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 10334 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 10335 extractLibs = false; 10336 } 10337 10338 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 10339 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 10340 10341 NativeLibraryHelper.Handle handle = null; 10342 try { 10343 handle = NativeLibraryHelper.Handle.create(pkg); 10344 // TODO(multiArch): This can be null for apps that didn't go through the 10345 // usual installation process. We can calculate it again, like we 10346 // do during install time. 10347 // 10348 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 10349 // unnecessary. 10350 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 10351 10352 // Null out the abis so that they can be recalculated. 10353 pkg.applicationInfo.primaryCpuAbi = null; 10354 pkg.applicationInfo.secondaryCpuAbi = null; 10355 if (isMultiArch(pkg.applicationInfo)) { 10356 // Warn if we've set an abiOverride for multi-lib packages.. 10357 // By definition, we need to copy both 32 and 64 bit libraries for 10358 // such packages. 10359 if (pkg.cpuAbiOverride != null 10360 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 10361 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 10362 } 10363 10364 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 10365 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 10366 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 10367 if (extractLibs) { 10368 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10369 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10370 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 10371 useIsaSpecificSubdirs); 10372 } else { 10373 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10374 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 10375 } 10376 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10377 } 10378 10379 maybeThrowExceptionForMultiArchCopy( 10380 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 10381 10382 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 10383 if (extractLibs) { 10384 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10385 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10386 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 10387 useIsaSpecificSubdirs); 10388 } else { 10389 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10390 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 10391 } 10392 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10393 } 10394 10395 maybeThrowExceptionForMultiArchCopy( 10396 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 10397 10398 if (abi64 >= 0) { 10399 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 10400 } 10401 10402 if (abi32 >= 0) { 10403 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 10404 if (abi64 >= 0) { 10405 if (pkg.use32bitAbi) { 10406 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 10407 pkg.applicationInfo.primaryCpuAbi = abi; 10408 } else { 10409 pkg.applicationInfo.secondaryCpuAbi = abi; 10410 } 10411 } else { 10412 pkg.applicationInfo.primaryCpuAbi = abi; 10413 } 10414 } 10415 10416 } else { 10417 String[] abiList = (cpuAbiOverride != null) ? 10418 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 10419 10420 // Enable gross and lame hacks for apps that are built with old 10421 // SDK tools. We must scan their APKs for renderscript bitcode and 10422 // not launch them if it's present. Don't bother checking on devices 10423 // that don't have 64 bit support. 10424 boolean needsRenderScriptOverride = false; 10425 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 10426 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 10427 abiList = Build.SUPPORTED_32_BIT_ABIS; 10428 needsRenderScriptOverride = true; 10429 } 10430 10431 final int copyRet; 10432 if (extractLibs) { 10433 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10434 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10435 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 10436 } else { 10437 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10438 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 10439 } 10440 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10441 10442 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 10443 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 10444 "Error unpackaging native libs for app, errorCode=" + copyRet); 10445 } 10446 10447 if (copyRet >= 0) { 10448 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 10449 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 10450 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 10451 } else if (needsRenderScriptOverride) { 10452 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 10453 } 10454 } 10455 } catch (IOException ioe) { 10456 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 10457 } finally { 10458 IoUtils.closeQuietly(handle); 10459 } 10460 10461 // Now that we've calculated the ABIs and determined if it's an internal app, 10462 // we will go ahead and populate the nativeLibraryPath. 10463 setNativeLibraryPaths(pkg, appLib32InstallDir); 10464 } 10465 10466 /** 10467 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 10468 * i.e, so that all packages can be run inside a single process if required. 10469 * 10470 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 10471 * this function will either try and make the ABI for all packages in {@code packagesForUser} 10472 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 10473 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 10474 * updating a package that belongs to a shared user. 10475 * 10476 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 10477 * adds unnecessary complexity. 10478 */ 10479 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 10480 PackageParser.Package scannedPackage) { 10481 String requiredInstructionSet = null; 10482 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 10483 requiredInstructionSet = VMRuntime.getInstructionSet( 10484 scannedPackage.applicationInfo.primaryCpuAbi); 10485 } 10486 10487 PackageSetting requirer = null; 10488 for (PackageSetting ps : packagesForUser) { 10489 // If packagesForUser contains scannedPackage, we skip it. This will happen 10490 // when scannedPackage is an update of an existing package. Without this check, 10491 // we will never be able to change the ABI of any package belonging to a shared 10492 // user, even if it's compatible with other packages. 10493 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10494 if (ps.primaryCpuAbiString == null) { 10495 continue; 10496 } 10497 10498 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 10499 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 10500 // We have a mismatch between instruction sets (say arm vs arm64) warn about 10501 // this but there's not much we can do. 10502 String errorMessage = "Instruction set mismatch, " 10503 + ((requirer == null) ? "[caller]" : requirer) 10504 + " requires " + requiredInstructionSet + " whereas " + ps 10505 + " requires " + instructionSet; 10506 Slog.w(TAG, errorMessage); 10507 } 10508 10509 if (requiredInstructionSet == null) { 10510 requiredInstructionSet = instructionSet; 10511 requirer = ps; 10512 } 10513 } 10514 } 10515 10516 if (requiredInstructionSet != null) { 10517 String adjustedAbi; 10518 if (requirer != null) { 10519 // requirer != null implies that either scannedPackage was null or that scannedPackage 10520 // did not require an ABI, in which case we have to adjust scannedPackage to match 10521 // the ABI of the set (which is the same as requirer's ABI) 10522 adjustedAbi = requirer.primaryCpuAbiString; 10523 if (scannedPackage != null) { 10524 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 10525 } 10526 } else { 10527 // requirer == null implies that we're updating all ABIs in the set to 10528 // match scannedPackage. 10529 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 10530 } 10531 10532 for (PackageSetting ps : packagesForUser) { 10533 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10534 if (ps.primaryCpuAbiString != null) { 10535 continue; 10536 } 10537 10538 ps.primaryCpuAbiString = adjustedAbi; 10539 if (ps.pkg != null && ps.pkg.applicationInfo != null && 10540 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 10541 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 10542 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 10543 + " (requirer=" 10544 + (requirer != null ? requirer.pkg : "null") 10545 + ", scannedPackage=" 10546 + (scannedPackage != null ? scannedPackage : "null") 10547 + ")"); 10548 try { 10549 mInstaller.rmdex(ps.codePathString, 10550 getDexCodeInstructionSet(getPreferredInstructionSet())); 10551 } catch (InstallerException ignored) { 10552 } 10553 } 10554 } 10555 } 10556 } 10557 } 10558 10559 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 10560 synchronized (mPackages) { 10561 mResolverReplaced = true; 10562 // Set up information for custom user intent resolution activity. 10563 mResolveActivity.applicationInfo = pkg.applicationInfo; 10564 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 10565 mResolveActivity.packageName = pkg.applicationInfo.packageName; 10566 mResolveActivity.processName = pkg.applicationInfo.packageName; 10567 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10568 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 10569 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10570 mResolveActivity.theme = 0; 10571 mResolveActivity.exported = true; 10572 mResolveActivity.enabled = true; 10573 mResolveInfo.activityInfo = mResolveActivity; 10574 mResolveInfo.priority = 0; 10575 mResolveInfo.preferredOrder = 0; 10576 mResolveInfo.match = 0; 10577 mResolveComponentName = mCustomResolverComponentName; 10578 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 10579 mResolveComponentName); 10580 } 10581 } 10582 10583 private void setUpInstantAppInstallerActivityLP(ComponentName installerComponent) { 10584 if (installerComponent == null) { 10585 if (DEBUG_EPHEMERAL) { 10586 Slog.d(TAG, "Clear ephemeral installer activity"); 10587 } 10588 mInstantAppInstallerActivity.applicationInfo = null; 10589 return; 10590 } 10591 10592 if (DEBUG_EPHEMERAL) { 10593 Slog.d(TAG, "Set ephemeral installer activity: " + installerComponent); 10594 } 10595 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 10596 // Set up information for ephemeral installer activity 10597 mInstantAppInstallerActivity.applicationInfo = pkg.applicationInfo; 10598 mInstantAppInstallerActivity.name = installerComponent.getClassName(); 10599 mInstantAppInstallerActivity.packageName = pkg.applicationInfo.packageName; 10600 mInstantAppInstallerActivity.processName = pkg.applicationInfo.packageName; 10601 mInstantAppInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10602 mInstantAppInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 10603 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10604 mInstantAppInstallerActivity.theme = 0; 10605 mInstantAppInstallerActivity.exported = true; 10606 mInstantAppInstallerActivity.enabled = true; 10607 mInstantAppInstallerInfo.activityInfo = mInstantAppInstallerActivity; 10608 mInstantAppInstallerInfo.priority = 0; 10609 mInstantAppInstallerInfo.preferredOrder = 1; 10610 mInstantAppInstallerInfo.isDefault = true; 10611 mInstantAppInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 10612 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 10613 } 10614 10615 private static String calculateBundledApkRoot(final String codePathString) { 10616 final File codePath = new File(codePathString); 10617 final File codeRoot; 10618 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 10619 codeRoot = Environment.getRootDirectory(); 10620 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 10621 codeRoot = Environment.getOemDirectory(); 10622 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 10623 codeRoot = Environment.getVendorDirectory(); 10624 } else { 10625 // Unrecognized code path; take its top real segment as the apk root: 10626 // e.g. /something/app/blah.apk => /something 10627 try { 10628 File f = codePath.getCanonicalFile(); 10629 File parent = f.getParentFile(); // non-null because codePath is a file 10630 File tmp; 10631 while ((tmp = parent.getParentFile()) != null) { 10632 f = parent; 10633 parent = tmp; 10634 } 10635 codeRoot = f; 10636 Slog.w(TAG, "Unrecognized code path " 10637 + codePath + " - using " + codeRoot); 10638 } catch (IOException e) { 10639 // Can't canonicalize the code path -- shenanigans? 10640 Slog.w(TAG, "Can't canonicalize code path " + codePath); 10641 return Environment.getRootDirectory().getPath(); 10642 } 10643 } 10644 return codeRoot.getPath(); 10645 } 10646 10647 /** 10648 * Derive and set the location of native libraries for the given package, 10649 * which varies depending on where and how the package was installed. 10650 */ 10651 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 10652 final ApplicationInfo info = pkg.applicationInfo; 10653 final String codePath = pkg.codePath; 10654 final File codeFile = new File(codePath); 10655 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 10656 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 10657 10658 info.nativeLibraryRootDir = null; 10659 info.nativeLibraryRootRequiresIsa = false; 10660 info.nativeLibraryDir = null; 10661 info.secondaryNativeLibraryDir = null; 10662 10663 if (isApkFile(codeFile)) { 10664 // Monolithic install 10665 if (bundledApp) { 10666 // If "/system/lib64/apkname" exists, assume that is the per-package 10667 // native library directory to use; otherwise use "/system/lib/apkname". 10668 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 10669 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 10670 getPrimaryInstructionSet(info)); 10671 10672 // This is a bundled system app so choose the path based on the ABI. 10673 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 10674 // is just the default path. 10675 final String apkName = deriveCodePathName(codePath); 10676 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 10677 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 10678 apkName).getAbsolutePath(); 10679 10680 if (info.secondaryCpuAbi != null) { 10681 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 10682 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 10683 secondaryLibDir, apkName).getAbsolutePath(); 10684 } 10685 } else if (asecApp) { 10686 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 10687 .getAbsolutePath(); 10688 } else { 10689 final String apkName = deriveCodePathName(codePath); 10690 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 10691 .getAbsolutePath(); 10692 } 10693 10694 info.nativeLibraryRootRequiresIsa = false; 10695 info.nativeLibraryDir = info.nativeLibraryRootDir; 10696 } else { 10697 // Cluster install 10698 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 10699 info.nativeLibraryRootRequiresIsa = true; 10700 10701 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 10702 getPrimaryInstructionSet(info)).getAbsolutePath(); 10703 10704 if (info.secondaryCpuAbi != null) { 10705 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 10706 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 10707 } 10708 } 10709 } 10710 10711 /** 10712 * Calculate the abis and roots for a bundled app. These can uniquely 10713 * be determined from the contents of the system partition, i.e whether 10714 * it contains 64 or 32 bit shared libraries etc. We do not validate any 10715 * of this information, and instead assume that the system was built 10716 * sensibly. 10717 */ 10718 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 10719 PackageSetting pkgSetting) { 10720 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 10721 10722 // If "/system/lib64/apkname" exists, assume that is the per-package 10723 // native library directory to use; otherwise use "/system/lib/apkname". 10724 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 10725 setBundledAppAbi(pkg, apkRoot, apkName); 10726 // pkgSetting might be null during rescan following uninstall of updates 10727 // to a bundled app, so accommodate that possibility. The settings in 10728 // that case will be established later from the parsed package. 10729 // 10730 // If the settings aren't null, sync them up with what we've just derived. 10731 // note that apkRoot isn't stored in the package settings. 10732 if (pkgSetting != null) { 10733 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10734 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10735 } 10736 } 10737 10738 /** 10739 * Deduces the ABI of a bundled app and sets the relevant fields on the 10740 * parsed pkg object. 10741 * 10742 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 10743 * under which system libraries are installed. 10744 * @param apkName the name of the installed package. 10745 */ 10746 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 10747 final File codeFile = new File(pkg.codePath); 10748 10749 final boolean has64BitLibs; 10750 final boolean has32BitLibs; 10751 if (isApkFile(codeFile)) { 10752 // Monolithic install 10753 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 10754 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 10755 } else { 10756 // Cluster install 10757 final File rootDir = new File(codeFile, LIB_DIR_NAME); 10758 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 10759 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 10760 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 10761 has64BitLibs = (new File(rootDir, isa)).exists(); 10762 } else { 10763 has64BitLibs = false; 10764 } 10765 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 10766 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 10767 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 10768 has32BitLibs = (new File(rootDir, isa)).exists(); 10769 } else { 10770 has32BitLibs = false; 10771 } 10772 } 10773 10774 if (has64BitLibs && !has32BitLibs) { 10775 // The package has 64 bit libs, but not 32 bit libs. Its primary 10776 // ABI should be 64 bit. We can safely assume here that the bundled 10777 // native libraries correspond to the most preferred ABI in the list. 10778 10779 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10780 pkg.applicationInfo.secondaryCpuAbi = null; 10781 } else if (has32BitLibs && !has64BitLibs) { 10782 // The package has 32 bit libs but not 64 bit libs. Its primary 10783 // ABI should be 32 bit. 10784 10785 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10786 pkg.applicationInfo.secondaryCpuAbi = null; 10787 } else if (has32BitLibs && has64BitLibs) { 10788 // The application has both 64 and 32 bit bundled libraries. We check 10789 // here that the app declares multiArch support, and warn if it doesn't. 10790 // 10791 // We will be lenient here and record both ABIs. The primary will be the 10792 // ABI that's higher on the list, i.e, a device that's configured to prefer 10793 // 64 bit apps will see a 64 bit primary ABI, 10794 10795 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 10796 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 10797 } 10798 10799 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 10800 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10801 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10802 } else { 10803 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10804 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10805 } 10806 } else { 10807 pkg.applicationInfo.primaryCpuAbi = null; 10808 pkg.applicationInfo.secondaryCpuAbi = null; 10809 } 10810 } 10811 10812 private void killApplication(String pkgName, int appId, String reason) { 10813 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 10814 } 10815 10816 private void killApplication(String pkgName, int appId, int userId, String reason) { 10817 // Request the ActivityManager to kill the process(only for existing packages) 10818 // so that we do not end up in a confused state while the user is still using the older 10819 // version of the application while the new one gets installed. 10820 final long token = Binder.clearCallingIdentity(); 10821 try { 10822 IActivityManager am = ActivityManager.getService(); 10823 if (am != null) { 10824 try { 10825 am.killApplication(pkgName, appId, userId, reason); 10826 } catch (RemoteException e) { 10827 } 10828 } 10829 } finally { 10830 Binder.restoreCallingIdentity(token); 10831 } 10832 } 10833 10834 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 10835 // Remove the parent package setting 10836 PackageSetting ps = (PackageSetting) pkg.mExtras; 10837 if (ps != null) { 10838 removePackageLI(ps, chatty); 10839 } 10840 // Remove the child package setting 10841 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10842 for (int i = 0; i < childCount; i++) { 10843 PackageParser.Package childPkg = pkg.childPackages.get(i); 10844 ps = (PackageSetting) childPkg.mExtras; 10845 if (ps != null) { 10846 removePackageLI(ps, chatty); 10847 } 10848 } 10849 } 10850 10851 void removePackageLI(PackageSetting ps, boolean chatty) { 10852 if (DEBUG_INSTALL) { 10853 if (chatty) 10854 Log.d(TAG, "Removing package " + ps.name); 10855 } 10856 10857 // writer 10858 synchronized (mPackages) { 10859 mPackages.remove(ps.name); 10860 final PackageParser.Package pkg = ps.pkg; 10861 if (pkg != null) { 10862 cleanPackageDataStructuresLILPw(pkg, chatty); 10863 } 10864 } 10865 } 10866 10867 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 10868 if (DEBUG_INSTALL) { 10869 if (chatty) 10870 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 10871 } 10872 10873 // writer 10874 synchronized (mPackages) { 10875 // Remove the parent package 10876 mPackages.remove(pkg.applicationInfo.packageName); 10877 cleanPackageDataStructuresLILPw(pkg, chatty); 10878 10879 // Remove the child packages 10880 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10881 for (int i = 0; i < childCount; i++) { 10882 PackageParser.Package childPkg = pkg.childPackages.get(i); 10883 mPackages.remove(childPkg.applicationInfo.packageName); 10884 cleanPackageDataStructuresLILPw(childPkg, chatty); 10885 } 10886 } 10887 } 10888 10889 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 10890 int N = pkg.providers.size(); 10891 StringBuilder r = null; 10892 int i; 10893 for (i=0; i<N; i++) { 10894 PackageParser.Provider p = pkg.providers.get(i); 10895 mProviders.removeProvider(p); 10896 if (p.info.authority == null) { 10897 10898 /* There was another ContentProvider with this authority when 10899 * this app was installed so this authority is null, 10900 * Ignore it as we don't have to unregister the provider. 10901 */ 10902 continue; 10903 } 10904 String names[] = p.info.authority.split(";"); 10905 for (int j = 0; j < names.length; j++) { 10906 if (mProvidersByAuthority.get(names[j]) == p) { 10907 mProvidersByAuthority.remove(names[j]); 10908 if (DEBUG_REMOVE) { 10909 if (chatty) 10910 Log.d(TAG, "Unregistered content provider: " + names[j] 10911 + ", className = " + p.info.name + ", isSyncable = " 10912 + p.info.isSyncable); 10913 } 10914 } 10915 } 10916 if (DEBUG_REMOVE && chatty) { 10917 if (r == null) { 10918 r = new StringBuilder(256); 10919 } else { 10920 r.append(' '); 10921 } 10922 r.append(p.info.name); 10923 } 10924 } 10925 if (r != null) { 10926 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 10927 } 10928 10929 N = pkg.services.size(); 10930 r = null; 10931 for (i=0; i<N; i++) { 10932 PackageParser.Service s = pkg.services.get(i); 10933 mServices.removeService(s); 10934 if (chatty) { 10935 if (r == null) { 10936 r = new StringBuilder(256); 10937 } else { 10938 r.append(' '); 10939 } 10940 r.append(s.info.name); 10941 } 10942 } 10943 if (r != null) { 10944 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 10945 } 10946 10947 N = pkg.receivers.size(); 10948 r = null; 10949 for (i=0; i<N; i++) { 10950 PackageParser.Activity a = pkg.receivers.get(i); 10951 mReceivers.removeActivity(a, "receiver"); 10952 if (DEBUG_REMOVE && chatty) { 10953 if (r == null) { 10954 r = new StringBuilder(256); 10955 } else { 10956 r.append(' '); 10957 } 10958 r.append(a.info.name); 10959 } 10960 } 10961 if (r != null) { 10962 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 10963 } 10964 10965 N = pkg.activities.size(); 10966 r = null; 10967 for (i=0; i<N; i++) { 10968 PackageParser.Activity a = pkg.activities.get(i); 10969 mActivities.removeActivity(a, "activity"); 10970 if (DEBUG_REMOVE && chatty) { 10971 if (r == null) { 10972 r = new StringBuilder(256); 10973 } else { 10974 r.append(' '); 10975 } 10976 r.append(a.info.name); 10977 } 10978 } 10979 if (r != null) { 10980 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 10981 } 10982 10983 N = pkg.permissions.size(); 10984 r = null; 10985 for (i=0; i<N; i++) { 10986 PackageParser.Permission p = pkg.permissions.get(i); 10987 BasePermission bp = mSettings.mPermissions.get(p.info.name); 10988 if (bp == null) { 10989 bp = mSettings.mPermissionTrees.get(p.info.name); 10990 } 10991 if (bp != null && bp.perm == p) { 10992 bp.perm = null; 10993 if (DEBUG_REMOVE && chatty) { 10994 if (r == null) { 10995 r = new StringBuilder(256); 10996 } else { 10997 r.append(' '); 10998 } 10999 r.append(p.info.name); 11000 } 11001 } 11002 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11003 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 11004 if (appOpPkgs != null) { 11005 appOpPkgs.remove(pkg.packageName); 11006 } 11007 } 11008 } 11009 if (r != null) { 11010 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11011 } 11012 11013 N = pkg.requestedPermissions.size(); 11014 r = null; 11015 for (i=0; i<N; i++) { 11016 String perm = pkg.requestedPermissions.get(i); 11017 BasePermission bp = mSettings.mPermissions.get(perm); 11018 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11019 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 11020 if (appOpPkgs != null) { 11021 appOpPkgs.remove(pkg.packageName); 11022 if (appOpPkgs.isEmpty()) { 11023 mAppOpPermissionPackages.remove(perm); 11024 } 11025 } 11026 } 11027 } 11028 if (r != null) { 11029 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11030 } 11031 11032 N = pkg.instrumentation.size(); 11033 r = null; 11034 for (i=0; i<N; i++) { 11035 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11036 mInstrumentation.remove(a.getComponentName()); 11037 if (DEBUG_REMOVE && chatty) { 11038 if (r == null) { 11039 r = new StringBuilder(256); 11040 } else { 11041 r.append(' '); 11042 } 11043 r.append(a.info.name); 11044 } 11045 } 11046 if (r != null) { 11047 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 11048 } 11049 11050 r = null; 11051 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 11052 // Only system apps can hold shared libraries. 11053 if (pkg.libraryNames != null) { 11054 for (i = 0; i < pkg.libraryNames.size(); i++) { 11055 String name = pkg.libraryNames.get(i); 11056 if (removeSharedLibraryLPw(name, 0)) { 11057 if (DEBUG_REMOVE && chatty) { 11058 if (r == null) { 11059 r = new StringBuilder(256); 11060 } else { 11061 r.append(' '); 11062 } 11063 r.append(name); 11064 } 11065 } 11066 } 11067 } 11068 } 11069 11070 r = null; 11071 11072 // Any package can hold static shared libraries. 11073 if (pkg.staticSharedLibName != null) { 11074 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 11075 if (DEBUG_REMOVE && chatty) { 11076 if (r == null) { 11077 r = new StringBuilder(256); 11078 } else { 11079 r.append(' '); 11080 } 11081 r.append(pkg.staticSharedLibName); 11082 } 11083 } 11084 } 11085 11086 if (r != null) { 11087 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 11088 } 11089 } 11090 11091 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 11092 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 11093 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 11094 return true; 11095 } 11096 } 11097 return false; 11098 } 11099 11100 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 11101 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 11102 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 11103 11104 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 11105 // Update the parent permissions 11106 updatePermissionsLPw(pkg.packageName, pkg, flags); 11107 // Update the child permissions 11108 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11109 for (int i = 0; i < childCount; i++) { 11110 PackageParser.Package childPkg = pkg.childPackages.get(i); 11111 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 11112 } 11113 } 11114 11115 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 11116 int flags) { 11117 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 11118 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 11119 } 11120 11121 private void updatePermissionsLPw(String changingPkg, 11122 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 11123 // Make sure there are no dangling permission trees. 11124 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 11125 while (it.hasNext()) { 11126 final BasePermission bp = it.next(); 11127 if (bp.packageSetting == null) { 11128 // We may not yet have parsed the package, so just see if 11129 // we still know about its settings. 11130 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11131 } 11132 if (bp.packageSetting == null) { 11133 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 11134 + " from package " + bp.sourcePackage); 11135 it.remove(); 11136 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11137 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11138 Slog.i(TAG, "Removing old permission tree: " + bp.name 11139 + " from package " + bp.sourcePackage); 11140 flags |= UPDATE_PERMISSIONS_ALL; 11141 it.remove(); 11142 } 11143 } 11144 } 11145 11146 // Make sure all dynamic permissions have been assigned to a package, 11147 // and make sure there are no dangling permissions. 11148 it = mSettings.mPermissions.values().iterator(); 11149 while (it.hasNext()) { 11150 final BasePermission bp = it.next(); 11151 if (bp.type == BasePermission.TYPE_DYNAMIC) { 11152 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 11153 + bp.name + " pkg=" + bp.sourcePackage 11154 + " info=" + bp.pendingInfo); 11155 if (bp.packageSetting == null && bp.pendingInfo != null) { 11156 final BasePermission tree = findPermissionTreeLP(bp.name); 11157 if (tree != null && tree.perm != null) { 11158 bp.packageSetting = tree.packageSetting; 11159 bp.perm = new PackageParser.Permission(tree.perm.owner, 11160 new PermissionInfo(bp.pendingInfo)); 11161 bp.perm.info.packageName = tree.perm.info.packageName; 11162 bp.perm.info.name = bp.name; 11163 bp.uid = tree.uid; 11164 } 11165 } 11166 } 11167 if (bp.packageSetting == null) { 11168 // We may not yet have parsed the package, so just see if 11169 // we still know about its settings. 11170 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11171 } 11172 if (bp.packageSetting == null) { 11173 Slog.w(TAG, "Removing dangling permission: " + bp.name 11174 + " from package " + bp.sourcePackage); 11175 it.remove(); 11176 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11177 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11178 Slog.i(TAG, "Removing old permission: " + bp.name 11179 + " from package " + bp.sourcePackage); 11180 flags |= UPDATE_PERMISSIONS_ALL; 11181 it.remove(); 11182 } 11183 } 11184 } 11185 11186 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 11187 // Now update the permissions for all packages, in particular 11188 // replace the granted permissions of the system packages. 11189 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 11190 for (PackageParser.Package pkg : mPackages.values()) { 11191 if (pkg != pkgInfo) { 11192 // Only replace for packages on requested volume 11193 final String volumeUuid = getVolumeUuidForPackage(pkg); 11194 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 11195 && Objects.equals(replaceVolumeUuid, volumeUuid); 11196 grantPermissionsLPw(pkg, replace, changingPkg); 11197 } 11198 } 11199 } 11200 11201 if (pkgInfo != null) { 11202 // Only replace for packages on requested volume 11203 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 11204 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 11205 && Objects.equals(replaceVolumeUuid, volumeUuid); 11206 grantPermissionsLPw(pkgInfo, replace, changingPkg); 11207 } 11208 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11209 } 11210 11211 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 11212 String packageOfInterest) { 11213 // IMPORTANT: There are two types of permissions: install and runtime. 11214 // Install time permissions are granted when the app is installed to 11215 // all device users and users added in the future. Runtime permissions 11216 // are granted at runtime explicitly to specific users. Normal and signature 11217 // protected permissions are install time permissions. Dangerous permissions 11218 // are install permissions if the app's target SDK is Lollipop MR1 or older, 11219 // otherwise they are runtime permissions. This function does not manage 11220 // runtime permissions except for the case an app targeting Lollipop MR1 11221 // being upgraded to target a newer SDK, in which case dangerous permissions 11222 // are transformed from install time to runtime ones. 11223 11224 final PackageSetting ps = (PackageSetting) pkg.mExtras; 11225 if (ps == null) { 11226 return; 11227 } 11228 11229 PermissionsState permissionsState = ps.getPermissionsState(); 11230 PermissionsState origPermissions = permissionsState; 11231 11232 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 11233 11234 boolean runtimePermissionsRevoked = false; 11235 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 11236 11237 boolean changedInstallPermission = false; 11238 11239 if (replace) { 11240 ps.installPermissionsFixed = false; 11241 if (!ps.isSharedUser()) { 11242 origPermissions = new PermissionsState(permissionsState); 11243 permissionsState.reset(); 11244 } else { 11245 // We need to know only about runtime permission changes since the 11246 // calling code always writes the install permissions state but 11247 // the runtime ones are written only if changed. The only cases of 11248 // changed runtime permissions here are promotion of an install to 11249 // runtime and revocation of a runtime from a shared user. 11250 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 11251 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 11252 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 11253 runtimePermissionsRevoked = true; 11254 } 11255 } 11256 } 11257 11258 permissionsState.setGlobalGids(mGlobalGids); 11259 11260 final int N = pkg.requestedPermissions.size(); 11261 for (int i=0; i<N; i++) { 11262 final String name = pkg.requestedPermissions.get(i); 11263 final BasePermission bp = mSettings.mPermissions.get(name); 11264 11265 if (DEBUG_INSTALL) { 11266 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 11267 } 11268 11269 if (bp == null || bp.packageSetting == null) { 11270 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11271 Slog.w(TAG, "Unknown permission " + name 11272 + " in package " + pkg.packageName); 11273 } 11274 continue; 11275 } 11276 11277 11278 // Limit ephemeral apps to ephemeral allowed permissions. 11279 if (pkg.applicationInfo.isInstantApp() && !bp.isInstant()) { 11280 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 11281 + pkg.packageName); 11282 continue; 11283 } 11284 11285 final String perm = bp.name; 11286 boolean allowedSig = false; 11287 int grant = GRANT_DENIED; 11288 11289 // Keep track of app op permissions. 11290 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11291 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 11292 if (pkgs == null) { 11293 pkgs = new ArraySet<>(); 11294 mAppOpPermissionPackages.put(bp.name, pkgs); 11295 } 11296 pkgs.add(pkg.packageName); 11297 } 11298 11299 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 11300 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 11301 >= Build.VERSION_CODES.M; 11302 switch (level) { 11303 case PermissionInfo.PROTECTION_NORMAL: { 11304 // For all apps normal permissions are install time ones. 11305 grant = GRANT_INSTALL; 11306 } break; 11307 11308 case PermissionInfo.PROTECTION_DANGEROUS: { 11309 // If a permission review is required for legacy apps we represent 11310 // their permissions as always granted runtime ones since we need 11311 // to keep the review required permission flag per user while an 11312 // install permission's state is shared across all users. 11313 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 11314 // For legacy apps dangerous permissions are install time ones. 11315 grant = GRANT_INSTALL; 11316 } else if (origPermissions.hasInstallPermission(bp.name)) { 11317 // For legacy apps that became modern, install becomes runtime. 11318 grant = GRANT_UPGRADE; 11319 } else if (mPromoteSystemApps 11320 && isSystemApp(ps) 11321 && mExistingSystemPackages.contains(ps.name)) { 11322 // For legacy system apps, install becomes runtime. 11323 // We cannot check hasInstallPermission() for system apps since those 11324 // permissions were granted implicitly and not persisted pre-M. 11325 grant = GRANT_UPGRADE; 11326 } else { 11327 // For modern apps keep runtime permissions unchanged. 11328 grant = GRANT_RUNTIME; 11329 } 11330 } break; 11331 11332 case PermissionInfo.PROTECTION_SIGNATURE: { 11333 // For all apps signature permissions are install time ones. 11334 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 11335 if (allowedSig) { 11336 grant = GRANT_INSTALL; 11337 } 11338 } break; 11339 } 11340 11341 if (DEBUG_INSTALL) { 11342 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 11343 } 11344 11345 if (grant != GRANT_DENIED) { 11346 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 11347 // If this is an existing, non-system package, then 11348 // we can't add any new permissions to it. 11349 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 11350 // Except... if this is a permission that was added 11351 // to the platform (note: need to only do this when 11352 // updating the platform). 11353 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 11354 grant = GRANT_DENIED; 11355 } 11356 } 11357 } 11358 11359 switch (grant) { 11360 case GRANT_INSTALL: { 11361 // Revoke this as runtime permission to handle the case of 11362 // a runtime permission being downgraded to an install one. 11363 // Also in permission review mode we keep dangerous permissions 11364 // for legacy apps 11365 for (int userId : UserManagerService.getInstance().getUserIds()) { 11366 if (origPermissions.getRuntimePermissionState( 11367 bp.name, userId) != null) { 11368 // Revoke the runtime permission and clear the flags. 11369 origPermissions.revokeRuntimePermission(bp, userId); 11370 origPermissions.updatePermissionFlags(bp, userId, 11371 PackageManager.MASK_PERMISSION_FLAGS, 0); 11372 // If we revoked a permission permission, we have to write. 11373 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11374 changedRuntimePermissionUserIds, userId); 11375 } 11376 } 11377 // Grant an install permission. 11378 if (permissionsState.grantInstallPermission(bp) != 11379 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11380 changedInstallPermission = true; 11381 } 11382 } break; 11383 11384 case GRANT_RUNTIME: { 11385 // Grant previously granted runtime permissions. 11386 for (int userId : UserManagerService.getInstance().getUserIds()) { 11387 PermissionState permissionState = origPermissions 11388 .getRuntimePermissionState(bp.name, userId); 11389 int flags = permissionState != null 11390 ? permissionState.getFlags() : 0; 11391 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 11392 // Don't propagate the permission in a permission review mode if 11393 // the former was revoked, i.e. marked to not propagate on upgrade. 11394 // Note that in a permission review mode install permissions are 11395 // represented as constantly granted runtime ones since we need to 11396 // keep a per user state associated with the permission. Also the 11397 // revoke on upgrade flag is no longer applicable and is reset. 11398 final boolean revokeOnUpgrade = (flags & PackageManager 11399 .FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 11400 if (revokeOnUpgrade) { 11401 flags &= ~PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 11402 // Since we changed the flags, we have to write. 11403 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11404 changedRuntimePermissionUserIds, userId); 11405 } 11406 if (!mPermissionReviewRequired || !revokeOnUpgrade) { 11407 if (permissionsState.grantRuntimePermission(bp, userId) == 11408 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11409 // If we cannot put the permission as it was, 11410 // we have to write. 11411 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11412 changedRuntimePermissionUserIds, userId); 11413 } 11414 } 11415 11416 // If the app supports runtime permissions no need for a review. 11417 if (mPermissionReviewRequired 11418 && appSupportsRuntimePermissions 11419 && (flags & PackageManager 11420 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 11421 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 11422 // Since we changed the flags, we have to write. 11423 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11424 changedRuntimePermissionUserIds, userId); 11425 } 11426 } else if (mPermissionReviewRequired 11427 && !appSupportsRuntimePermissions) { 11428 // For legacy apps that need a permission review, every new 11429 // runtime permission is granted but it is pending a review. 11430 // We also need to review only platform defined runtime 11431 // permissions as these are the only ones the platform knows 11432 // how to disable the API to simulate revocation as legacy 11433 // apps don't expect to run with revoked permissions. 11434 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 11435 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 11436 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 11437 // We changed the flags, hence have to write. 11438 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11439 changedRuntimePermissionUserIds, userId); 11440 } 11441 } 11442 if (permissionsState.grantRuntimePermission(bp, userId) 11443 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11444 // We changed the permission, hence have to write. 11445 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11446 changedRuntimePermissionUserIds, userId); 11447 } 11448 } 11449 // Propagate the permission flags. 11450 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 11451 } 11452 } break; 11453 11454 case GRANT_UPGRADE: { 11455 // Grant runtime permissions for a previously held install permission. 11456 PermissionState permissionState = origPermissions 11457 .getInstallPermissionState(bp.name); 11458 final int flags = permissionState != null ? permissionState.getFlags() : 0; 11459 11460 if (origPermissions.revokeInstallPermission(bp) 11461 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11462 // We will be transferring the permission flags, so clear them. 11463 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 11464 PackageManager.MASK_PERMISSION_FLAGS, 0); 11465 changedInstallPermission = true; 11466 } 11467 11468 // If the permission is not to be promoted to runtime we ignore it and 11469 // also its other flags as they are not applicable to install permissions. 11470 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 11471 for (int userId : currentUserIds) { 11472 if (permissionsState.grantRuntimePermission(bp, userId) != 11473 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11474 // Transfer the permission flags. 11475 permissionsState.updatePermissionFlags(bp, userId, 11476 flags, flags); 11477 // If we granted the permission, we have to write. 11478 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11479 changedRuntimePermissionUserIds, userId); 11480 } 11481 } 11482 } 11483 } break; 11484 11485 default: { 11486 if (packageOfInterest == null 11487 || packageOfInterest.equals(pkg.packageName)) { 11488 Slog.w(TAG, "Not granting permission " + perm 11489 + " to package " + pkg.packageName 11490 + " because it was previously installed without"); 11491 } 11492 } break; 11493 } 11494 } else { 11495 if (permissionsState.revokeInstallPermission(bp) != 11496 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11497 // Also drop the permission flags. 11498 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 11499 PackageManager.MASK_PERMISSION_FLAGS, 0); 11500 changedInstallPermission = true; 11501 Slog.i(TAG, "Un-granting permission " + perm 11502 + " from package " + pkg.packageName 11503 + " (protectionLevel=" + bp.protectionLevel 11504 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11505 + ")"); 11506 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 11507 // Don't print warning for app op permissions, since it is fine for them 11508 // not to be granted, there is a UI for the user to decide. 11509 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11510 Slog.w(TAG, "Not granting permission " + perm 11511 + " to package " + pkg.packageName 11512 + " (protectionLevel=" + bp.protectionLevel 11513 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11514 + ")"); 11515 } 11516 } 11517 } 11518 } 11519 11520 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 11521 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 11522 // This is the first that we have heard about this package, so the 11523 // permissions we have now selected are fixed until explicitly 11524 // changed. 11525 ps.installPermissionsFixed = true; 11526 } 11527 11528 // Persist the runtime permissions state for users with changes. If permissions 11529 // were revoked because no app in the shared user declares them we have to 11530 // write synchronously to avoid losing runtime permissions state. 11531 for (int userId : changedRuntimePermissionUserIds) { 11532 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 11533 } 11534 } 11535 11536 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 11537 boolean allowed = false; 11538 final int NP = PackageParser.NEW_PERMISSIONS.length; 11539 for (int ip=0; ip<NP; ip++) { 11540 final PackageParser.NewPermissionInfo npi 11541 = PackageParser.NEW_PERMISSIONS[ip]; 11542 if (npi.name.equals(perm) 11543 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 11544 allowed = true; 11545 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 11546 + pkg.packageName); 11547 break; 11548 } 11549 } 11550 return allowed; 11551 } 11552 11553 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 11554 BasePermission bp, PermissionsState origPermissions) { 11555 boolean privilegedPermission = (bp.protectionLevel 11556 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 11557 boolean privappPermissionsDisable = 11558 RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; 11559 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 11560 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 11561 if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivilegedApp() 11562 && !platformPackage && platformPermission) { 11563 ArraySet<String> wlPermissions = SystemConfig.getInstance() 11564 .getPrivAppPermissions(pkg.packageName); 11565 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 11566 if (!whitelisted) { 11567 Slog.w(TAG, "Privileged permission " + perm + " for package " 11568 + pkg.packageName + " - not in privapp-permissions whitelist"); 11569 // Only report violations for apps on system image 11570 if (!mSystemReady && !pkg.isUpdatedSystemApp()) { 11571 if (mPrivappPermissionsViolations == null) { 11572 mPrivappPermissionsViolations = new ArraySet<>(); 11573 } 11574 mPrivappPermissionsViolations.add(pkg.packageName + ": " + perm); 11575 } 11576 if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { 11577 return false; 11578 } 11579 } 11580 } 11581 boolean allowed = (compareSignatures( 11582 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 11583 == PackageManager.SIGNATURE_MATCH) 11584 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 11585 == PackageManager.SIGNATURE_MATCH); 11586 if (!allowed && privilegedPermission) { 11587 if (isSystemApp(pkg)) { 11588 // For updated system applications, a system permission 11589 // is granted only if it had been defined by the original application. 11590 if (pkg.isUpdatedSystemApp()) { 11591 final PackageSetting sysPs = mSettings 11592 .getDisabledSystemPkgLPr(pkg.packageName); 11593 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 11594 // If the original was granted this permission, we take 11595 // that grant decision as read and propagate it to the 11596 // update. 11597 if (sysPs.isPrivileged()) { 11598 allowed = true; 11599 } 11600 } else { 11601 // The system apk may have been updated with an older 11602 // version of the one on the data partition, but which 11603 // granted a new system permission that it didn't have 11604 // before. In this case we do want to allow the app to 11605 // now get the new permission if the ancestral apk is 11606 // privileged to get it. 11607 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 11608 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 11609 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 11610 allowed = true; 11611 break; 11612 } 11613 } 11614 } 11615 // Also if a privileged parent package on the system image or any of 11616 // its children requested a privileged permission, the updated child 11617 // packages can also get the permission. 11618 if (pkg.parentPackage != null) { 11619 final PackageSetting disabledSysParentPs = mSettings 11620 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 11621 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 11622 && disabledSysParentPs.isPrivileged()) { 11623 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 11624 allowed = true; 11625 } else if (disabledSysParentPs.pkg.childPackages != null) { 11626 final int count = disabledSysParentPs.pkg.childPackages.size(); 11627 for (int i = 0; i < count; i++) { 11628 PackageParser.Package disabledSysChildPkg = 11629 disabledSysParentPs.pkg.childPackages.get(i); 11630 if (isPackageRequestingPermission(disabledSysChildPkg, 11631 perm)) { 11632 allowed = true; 11633 break; 11634 } 11635 } 11636 } 11637 } 11638 } 11639 } 11640 } else { 11641 allowed = isPrivilegedApp(pkg); 11642 } 11643 } 11644 } 11645 if (!allowed) { 11646 if (!allowed && (bp.protectionLevel 11647 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 11648 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 11649 // If this was a previously normal/dangerous permission that got moved 11650 // to a system permission as part of the runtime permission redesign, then 11651 // we still want to blindly grant it to old apps. 11652 allowed = true; 11653 } 11654 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 11655 && pkg.packageName.equals(mRequiredInstallerPackage)) { 11656 // If this permission is to be granted to the system installer and 11657 // this app is an installer, then it gets the permission. 11658 allowed = true; 11659 } 11660 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 11661 && pkg.packageName.equals(mRequiredVerifierPackage)) { 11662 // If this permission is to be granted to the system verifier and 11663 // this app is a verifier, then it gets the permission. 11664 allowed = true; 11665 } 11666 if (!allowed && (bp.protectionLevel 11667 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 11668 && isSystemApp(pkg)) { 11669 // Any pre-installed system app is allowed to get this permission. 11670 allowed = true; 11671 } 11672 if (!allowed && (bp.protectionLevel 11673 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 11674 // For development permissions, a development permission 11675 // is granted only if it was already granted. 11676 allowed = origPermissions.hasInstallPermission(perm); 11677 } 11678 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 11679 && pkg.packageName.equals(mSetupWizardPackage)) { 11680 // If this permission is to be granted to the system setup wizard and 11681 // this app is a setup wizard, then it gets the permission. 11682 allowed = true; 11683 } 11684 } 11685 return allowed; 11686 } 11687 11688 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 11689 final int permCount = pkg.requestedPermissions.size(); 11690 for (int j = 0; j < permCount; j++) { 11691 String requestedPermission = pkg.requestedPermissions.get(j); 11692 if (permission.equals(requestedPermission)) { 11693 return true; 11694 } 11695 } 11696 return false; 11697 } 11698 11699 final class ActivityIntentResolver 11700 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 11701 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11702 boolean defaultOnly, int userId) { 11703 if (!sUserManager.exists(userId)) return null; 11704 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0); 11705 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11706 } 11707 11708 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11709 int userId) { 11710 if (!sUserManager.exists(userId)) return null; 11711 mFlags = flags; 11712 return super.queryIntent(intent, resolvedType, 11713 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11714 userId); 11715 } 11716 11717 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11718 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 11719 if (!sUserManager.exists(userId)) return null; 11720 if (packageActivities == null) { 11721 return null; 11722 } 11723 mFlags = flags; 11724 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11725 final int N = packageActivities.size(); 11726 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 11727 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 11728 11729 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 11730 for (int i = 0; i < N; ++i) { 11731 intentFilters = packageActivities.get(i).intents; 11732 if (intentFilters != null && intentFilters.size() > 0) { 11733 PackageParser.ActivityIntentInfo[] array = 11734 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 11735 intentFilters.toArray(array); 11736 listCut.add(array); 11737 } 11738 } 11739 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11740 } 11741 11742 /** 11743 * Finds a privileged activity that matches the specified activity names. 11744 */ 11745 private PackageParser.Activity findMatchingActivity( 11746 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 11747 for (PackageParser.Activity sysActivity : activityList) { 11748 if (sysActivity.info.name.equals(activityInfo.name)) { 11749 return sysActivity; 11750 } 11751 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 11752 return sysActivity; 11753 } 11754 if (sysActivity.info.targetActivity != null) { 11755 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 11756 return sysActivity; 11757 } 11758 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 11759 return sysActivity; 11760 } 11761 } 11762 } 11763 return null; 11764 } 11765 11766 public class IterGenerator<E> { 11767 public Iterator<E> generate(ActivityIntentInfo info) { 11768 return null; 11769 } 11770 } 11771 11772 public class ActionIterGenerator extends IterGenerator<String> { 11773 @Override 11774 public Iterator<String> generate(ActivityIntentInfo info) { 11775 return info.actionsIterator(); 11776 } 11777 } 11778 11779 public class CategoriesIterGenerator extends IterGenerator<String> { 11780 @Override 11781 public Iterator<String> generate(ActivityIntentInfo info) { 11782 return info.categoriesIterator(); 11783 } 11784 } 11785 11786 public class SchemesIterGenerator extends IterGenerator<String> { 11787 @Override 11788 public Iterator<String> generate(ActivityIntentInfo info) { 11789 return info.schemesIterator(); 11790 } 11791 } 11792 11793 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 11794 @Override 11795 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 11796 return info.authoritiesIterator(); 11797 } 11798 } 11799 11800 /** 11801 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 11802 * MODIFIED. Do not pass in a list that should not be changed. 11803 */ 11804 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 11805 IterGenerator<T> generator, Iterator<T> searchIterator) { 11806 // loop through the set of actions; every one must be found in the intent filter 11807 while (searchIterator.hasNext()) { 11808 // we must have at least one filter in the list to consider a match 11809 if (intentList.size() == 0) { 11810 break; 11811 } 11812 11813 final T searchAction = searchIterator.next(); 11814 11815 // loop through the set of intent filters 11816 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 11817 while (intentIter.hasNext()) { 11818 final ActivityIntentInfo intentInfo = intentIter.next(); 11819 boolean selectionFound = false; 11820 11821 // loop through the intent filter's selection criteria; at least one 11822 // of them must match the searched criteria 11823 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 11824 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 11825 final T intentSelection = intentSelectionIter.next(); 11826 if (intentSelection != null && intentSelection.equals(searchAction)) { 11827 selectionFound = true; 11828 break; 11829 } 11830 } 11831 11832 // the selection criteria wasn't found in this filter's set; this filter 11833 // is not a potential match 11834 if (!selectionFound) { 11835 intentIter.remove(); 11836 } 11837 } 11838 } 11839 } 11840 11841 private boolean isProtectedAction(ActivityIntentInfo filter) { 11842 final Iterator<String> actionsIter = filter.actionsIterator(); 11843 while (actionsIter != null && actionsIter.hasNext()) { 11844 final String filterAction = actionsIter.next(); 11845 if (PROTECTED_ACTIONS.contains(filterAction)) { 11846 return true; 11847 } 11848 } 11849 return false; 11850 } 11851 11852 /** 11853 * Adjusts the priority of the given intent filter according to policy. 11854 * <p> 11855 * <ul> 11856 * <li>The priority for non privileged applications is capped to '0'</li> 11857 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 11858 * <li>The priority for unbundled updates to privileged applications is capped to the 11859 * priority defined on the system partition</li> 11860 * </ul> 11861 * <p> 11862 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 11863 * allowed to obtain any priority on any action. 11864 */ 11865 private void adjustPriority( 11866 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 11867 // nothing to do; priority is fine as-is 11868 if (intent.getPriority() <= 0) { 11869 return; 11870 } 11871 11872 final ActivityInfo activityInfo = intent.activity.info; 11873 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 11874 11875 final boolean privilegedApp = 11876 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 11877 if (!privilegedApp) { 11878 // non-privileged applications can never define a priority >0 11879 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 11880 + " package: " + applicationInfo.packageName 11881 + " activity: " + intent.activity.className 11882 + " origPrio: " + intent.getPriority()); 11883 intent.setPriority(0); 11884 return; 11885 } 11886 11887 if (systemActivities == null) { 11888 // the system package is not disabled; we're parsing the system partition 11889 if (isProtectedAction(intent)) { 11890 if (mDeferProtectedFilters) { 11891 // We can't deal with these just yet. No component should ever obtain a 11892 // >0 priority for a protected actions, with ONE exception -- the setup 11893 // wizard. The setup wizard, however, cannot be known until we're able to 11894 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 11895 // until all intent filters have been processed. Chicken, meet egg. 11896 // Let the filter temporarily have a high priority and rectify the 11897 // priorities after all system packages have been scanned. 11898 mProtectedFilters.add(intent); 11899 if (DEBUG_FILTERS) { 11900 Slog.i(TAG, "Protected action; save for later;" 11901 + " package: " + applicationInfo.packageName 11902 + " activity: " + intent.activity.className 11903 + " origPrio: " + intent.getPriority()); 11904 } 11905 return; 11906 } else { 11907 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 11908 Slog.i(TAG, "No setup wizard;" 11909 + " All protected intents capped to priority 0"); 11910 } 11911 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 11912 if (DEBUG_FILTERS) { 11913 Slog.i(TAG, "Found setup wizard;" 11914 + " allow priority " + intent.getPriority() + ";" 11915 + " package: " + intent.activity.info.packageName 11916 + " activity: " + intent.activity.className 11917 + " priority: " + intent.getPriority()); 11918 } 11919 // setup wizard gets whatever it wants 11920 return; 11921 } 11922 Slog.w(TAG, "Protected action; cap priority to 0;" 11923 + " package: " + intent.activity.info.packageName 11924 + " activity: " + intent.activity.className 11925 + " origPrio: " + intent.getPriority()); 11926 intent.setPriority(0); 11927 return; 11928 } 11929 } 11930 // privileged apps on the system image get whatever priority they request 11931 return; 11932 } 11933 11934 // privileged app unbundled update ... try to find the same activity 11935 final PackageParser.Activity foundActivity = 11936 findMatchingActivity(systemActivities, activityInfo); 11937 if (foundActivity == null) { 11938 // this is a new activity; it cannot obtain >0 priority 11939 if (DEBUG_FILTERS) { 11940 Slog.i(TAG, "New activity; cap priority to 0;" 11941 + " package: " + applicationInfo.packageName 11942 + " activity: " + intent.activity.className 11943 + " origPrio: " + intent.getPriority()); 11944 } 11945 intent.setPriority(0); 11946 return; 11947 } 11948 11949 // found activity, now check for filter equivalence 11950 11951 // a shallow copy is enough; we modify the list, not its contents 11952 final List<ActivityIntentInfo> intentListCopy = 11953 new ArrayList<>(foundActivity.intents); 11954 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 11955 11956 // find matching action subsets 11957 final Iterator<String> actionsIterator = intent.actionsIterator(); 11958 if (actionsIterator != null) { 11959 getIntentListSubset( 11960 intentListCopy, new ActionIterGenerator(), actionsIterator); 11961 if (intentListCopy.size() == 0) { 11962 // no more intents to match; we're not equivalent 11963 if (DEBUG_FILTERS) { 11964 Slog.i(TAG, "Mismatched action; cap priority to 0;" 11965 + " package: " + applicationInfo.packageName 11966 + " activity: " + intent.activity.className 11967 + " origPrio: " + intent.getPriority()); 11968 } 11969 intent.setPriority(0); 11970 return; 11971 } 11972 } 11973 11974 // find matching category subsets 11975 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 11976 if (categoriesIterator != null) { 11977 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 11978 categoriesIterator); 11979 if (intentListCopy.size() == 0) { 11980 // no more intents to match; we're not equivalent 11981 if (DEBUG_FILTERS) { 11982 Slog.i(TAG, "Mismatched category; cap priority to 0;" 11983 + " package: " + applicationInfo.packageName 11984 + " activity: " + intent.activity.className 11985 + " origPrio: " + intent.getPriority()); 11986 } 11987 intent.setPriority(0); 11988 return; 11989 } 11990 } 11991 11992 // find matching schemes subsets 11993 final Iterator<String> schemesIterator = intent.schemesIterator(); 11994 if (schemesIterator != null) { 11995 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 11996 schemesIterator); 11997 if (intentListCopy.size() == 0) { 11998 // no more intents to match; we're not equivalent 11999 if (DEBUG_FILTERS) { 12000 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 12001 + " package: " + applicationInfo.packageName 12002 + " activity: " + intent.activity.className 12003 + " origPrio: " + intent.getPriority()); 12004 } 12005 intent.setPriority(0); 12006 return; 12007 } 12008 } 12009 12010 // find matching authorities subsets 12011 final Iterator<IntentFilter.AuthorityEntry> 12012 authoritiesIterator = intent.authoritiesIterator(); 12013 if (authoritiesIterator != null) { 12014 getIntentListSubset(intentListCopy, 12015 new AuthoritiesIterGenerator(), 12016 authoritiesIterator); 12017 if (intentListCopy.size() == 0) { 12018 // no more intents to match; we're not equivalent 12019 if (DEBUG_FILTERS) { 12020 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 12021 + " package: " + applicationInfo.packageName 12022 + " activity: " + intent.activity.className 12023 + " origPrio: " + intent.getPriority()); 12024 } 12025 intent.setPriority(0); 12026 return; 12027 } 12028 } 12029 12030 // we found matching filter(s); app gets the max priority of all intents 12031 int cappedPriority = 0; 12032 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 12033 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 12034 } 12035 if (intent.getPriority() > cappedPriority) { 12036 if (DEBUG_FILTERS) { 12037 Slog.i(TAG, "Found matching filter(s);" 12038 + " cap priority to " + cappedPriority + ";" 12039 + " package: " + applicationInfo.packageName 12040 + " activity: " + intent.activity.className 12041 + " origPrio: " + intent.getPriority()); 12042 } 12043 intent.setPriority(cappedPriority); 12044 return; 12045 } 12046 // all this for nothing; the requested priority was <= what was on the system 12047 } 12048 12049 public final void addActivity(PackageParser.Activity a, String type) { 12050 mActivities.put(a.getComponentName(), a); 12051 if (DEBUG_SHOW_INFO) 12052 Log.v( 12053 TAG, " " + type + " " + 12054 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 12055 if (DEBUG_SHOW_INFO) 12056 Log.v(TAG, " Class=" + a.info.name); 12057 final int NI = a.intents.size(); 12058 for (int j=0; j<NI; j++) { 12059 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12060 if ("activity".equals(type)) { 12061 final PackageSetting ps = 12062 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 12063 final List<PackageParser.Activity> systemActivities = 12064 ps != null && ps.pkg != null ? ps.pkg.activities : null; 12065 adjustPriority(systemActivities, intent); 12066 } 12067 if (DEBUG_SHOW_INFO) { 12068 Log.v(TAG, " IntentFilter:"); 12069 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12070 } 12071 if (!intent.debugCheck()) { 12072 Log.w(TAG, "==> For Activity " + a.info.name); 12073 } 12074 addFilter(intent); 12075 } 12076 } 12077 12078 public final void removeActivity(PackageParser.Activity a, String type) { 12079 mActivities.remove(a.getComponentName()); 12080 if (DEBUG_SHOW_INFO) { 12081 Log.v(TAG, " " + type + " " 12082 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 12083 : a.info.name) + ":"); 12084 Log.v(TAG, " Class=" + a.info.name); 12085 } 12086 final int NI = a.intents.size(); 12087 for (int j=0; j<NI; j++) { 12088 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12089 if (DEBUG_SHOW_INFO) { 12090 Log.v(TAG, " IntentFilter:"); 12091 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12092 } 12093 removeFilter(intent); 12094 } 12095 } 12096 12097 @Override 12098 protected boolean allowFilterResult( 12099 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 12100 ActivityInfo filterAi = filter.activity.info; 12101 for (int i=dest.size()-1; i>=0; i--) { 12102 ActivityInfo destAi = dest.get(i).activityInfo; 12103 if (destAi.name == filterAi.name 12104 && destAi.packageName == filterAi.packageName) { 12105 return false; 12106 } 12107 } 12108 return true; 12109 } 12110 12111 @Override 12112 protected ActivityIntentInfo[] newArray(int size) { 12113 return new ActivityIntentInfo[size]; 12114 } 12115 12116 @Override 12117 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 12118 if (!sUserManager.exists(userId)) return true; 12119 PackageParser.Package p = filter.activity.owner; 12120 if (p != null) { 12121 PackageSetting ps = (PackageSetting)p.mExtras; 12122 if (ps != null) { 12123 // System apps are never considered stopped for purposes of 12124 // filtering, because there may be no way for the user to 12125 // actually re-launch them. 12126 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 12127 && ps.getStopped(userId); 12128 } 12129 } 12130 return false; 12131 } 12132 12133 @Override 12134 protected boolean isPackageForFilter(String packageName, 12135 PackageParser.ActivityIntentInfo info) { 12136 return packageName.equals(info.activity.owner.packageName); 12137 } 12138 12139 @Override 12140 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 12141 int match, int userId) { 12142 if (!sUserManager.exists(userId)) return null; 12143 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 12144 return null; 12145 } 12146 final PackageParser.Activity activity = info.activity; 12147 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 12148 if (ps == null) { 12149 return null; 12150 } 12151 final PackageUserState userState = ps.readUserState(userId); 12152 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 12153 userState, userId); 12154 if (ai == null) { 12155 return null; 12156 } 12157 final boolean matchVisibleToInstantApp = 12158 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12159 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12160 // throw out filters that aren't visible to ephemeral apps 12161 if (matchVisibleToInstantApp 12162 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 12163 return null; 12164 } 12165 // throw out ephemeral filters if we're not explicitly requesting them 12166 if (!isInstantApp && userState.instantApp) { 12167 return null; 12168 } 12169 // throw out instant app filters if updates are available; will trigger 12170 // instant app resolution 12171 if (userState.instantApp && ps.isUpdateAvailable()) { 12172 return null; 12173 } 12174 final ResolveInfo res = new ResolveInfo(); 12175 res.activityInfo = ai; 12176 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12177 res.filter = info; 12178 } 12179 if (info != null) { 12180 res.handleAllWebDataURI = info.handleAllWebDataURI(); 12181 } 12182 res.priority = info.getPriority(); 12183 res.preferredOrder = activity.owner.mPreferredOrder; 12184 //System.out.println("Result: " + res.activityInfo.className + 12185 // " = " + res.priority); 12186 res.match = match; 12187 res.isDefault = info.hasDefault; 12188 res.labelRes = info.labelRes; 12189 res.nonLocalizedLabel = info.nonLocalizedLabel; 12190 if (userNeedsBadging(userId)) { 12191 res.noResourceId = true; 12192 } else { 12193 res.icon = info.icon; 12194 } 12195 res.iconResourceId = info.icon; 12196 res.system = res.activityInfo.applicationInfo.isSystemApp(); 12197 res.instantAppAvailable = userState.instantApp; 12198 return res; 12199 } 12200 12201 @Override 12202 protected void sortResults(List<ResolveInfo> results) { 12203 Collections.sort(results, mResolvePrioritySorter); 12204 } 12205 12206 @Override 12207 protected void dumpFilter(PrintWriter out, String prefix, 12208 PackageParser.ActivityIntentInfo filter) { 12209 out.print(prefix); out.print( 12210 Integer.toHexString(System.identityHashCode(filter.activity))); 12211 out.print(' '); 12212 filter.activity.printComponentShortName(out); 12213 out.print(" filter "); 12214 out.println(Integer.toHexString(System.identityHashCode(filter))); 12215 } 12216 12217 @Override 12218 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 12219 return filter.activity; 12220 } 12221 12222 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12223 PackageParser.Activity activity = (PackageParser.Activity)label; 12224 out.print(prefix); out.print( 12225 Integer.toHexString(System.identityHashCode(activity))); 12226 out.print(' '); 12227 activity.printComponentShortName(out); 12228 if (count > 1) { 12229 out.print(" ("); out.print(count); out.print(" filters)"); 12230 } 12231 out.println(); 12232 } 12233 12234 // Keys are String (activity class name), values are Activity. 12235 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 12236 = new ArrayMap<ComponentName, PackageParser.Activity>(); 12237 private int mFlags; 12238 } 12239 12240 private final class ServiceIntentResolver 12241 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 12242 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12243 boolean defaultOnly, int userId) { 12244 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12245 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12246 } 12247 12248 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12249 int userId) { 12250 if (!sUserManager.exists(userId)) return null; 12251 mFlags = flags; 12252 return super.queryIntent(intent, resolvedType, 12253 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12254 userId); 12255 } 12256 12257 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12258 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 12259 if (!sUserManager.exists(userId)) return null; 12260 if (packageServices == null) { 12261 return null; 12262 } 12263 mFlags = flags; 12264 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 12265 final int N = packageServices.size(); 12266 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 12267 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 12268 12269 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 12270 for (int i = 0; i < N; ++i) { 12271 intentFilters = packageServices.get(i).intents; 12272 if (intentFilters != null && intentFilters.size() > 0) { 12273 PackageParser.ServiceIntentInfo[] array = 12274 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 12275 intentFilters.toArray(array); 12276 listCut.add(array); 12277 } 12278 } 12279 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12280 } 12281 12282 public final void addService(PackageParser.Service s) { 12283 mServices.put(s.getComponentName(), s); 12284 if (DEBUG_SHOW_INFO) { 12285 Log.v(TAG, " " 12286 + (s.info.nonLocalizedLabel != null 12287 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12288 Log.v(TAG, " Class=" + s.info.name); 12289 } 12290 final int NI = s.intents.size(); 12291 int j; 12292 for (j=0; j<NI; j++) { 12293 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12294 if (DEBUG_SHOW_INFO) { 12295 Log.v(TAG, " IntentFilter:"); 12296 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12297 } 12298 if (!intent.debugCheck()) { 12299 Log.w(TAG, "==> For Service " + s.info.name); 12300 } 12301 addFilter(intent); 12302 } 12303 } 12304 12305 public final void removeService(PackageParser.Service s) { 12306 mServices.remove(s.getComponentName()); 12307 if (DEBUG_SHOW_INFO) { 12308 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 12309 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12310 Log.v(TAG, " Class=" + s.info.name); 12311 } 12312 final int NI = s.intents.size(); 12313 int j; 12314 for (j=0; j<NI; j++) { 12315 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12316 if (DEBUG_SHOW_INFO) { 12317 Log.v(TAG, " IntentFilter:"); 12318 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12319 } 12320 removeFilter(intent); 12321 } 12322 } 12323 12324 @Override 12325 protected boolean allowFilterResult( 12326 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 12327 ServiceInfo filterSi = filter.service.info; 12328 for (int i=dest.size()-1; i>=0; i--) { 12329 ServiceInfo destAi = dest.get(i).serviceInfo; 12330 if (destAi.name == filterSi.name 12331 && destAi.packageName == filterSi.packageName) { 12332 return false; 12333 } 12334 } 12335 return true; 12336 } 12337 12338 @Override 12339 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 12340 return new PackageParser.ServiceIntentInfo[size]; 12341 } 12342 12343 @Override 12344 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 12345 if (!sUserManager.exists(userId)) return true; 12346 PackageParser.Package p = filter.service.owner; 12347 if (p != null) { 12348 PackageSetting ps = (PackageSetting)p.mExtras; 12349 if (ps != null) { 12350 // System apps are never considered stopped for purposes of 12351 // filtering, because there may be no way for the user to 12352 // actually re-launch them. 12353 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12354 && ps.getStopped(userId); 12355 } 12356 } 12357 return false; 12358 } 12359 12360 @Override 12361 protected boolean isPackageForFilter(String packageName, 12362 PackageParser.ServiceIntentInfo info) { 12363 return packageName.equals(info.service.owner.packageName); 12364 } 12365 12366 @Override 12367 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 12368 int match, int userId) { 12369 if (!sUserManager.exists(userId)) return null; 12370 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 12371 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 12372 return null; 12373 } 12374 final PackageParser.Service service = info.service; 12375 PackageSetting ps = (PackageSetting) service.owner.mExtras; 12376 if (ps == null) { 12377 return null; 12378 } 12379 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 12380 ps.readUserState(userId), userId); 12381 if (si == null) { 12382 return null; 12383 } 12384 final ResolveInfo res = new ResolveInfo(); 12385 res.serviceInfo = si; 12386 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12387 res.filter = filter; 12388 } 12389 res.priority = info.getPriority(); 12390 res.preferredOrder = service.owner.mPreferredOrder; 12391 res.match = match; 12392 res.isDefault = info.hasDefault; 12393 res.labelRes = info.labelRes; 12394 res.nonLocalizedLabel = info.nonLocalizedLabel; 12395 res.icon = info.icon; 12396 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 12397 return res; 12398 } 12399 12400 @Override 12401 protected void sortResults(List<ResolveInfo> results) { 12402 Collections.sort(results, mResolvePrioritySorter); 12403 } 12404 12405 @Override 12406 protected void dumpFilter(PrintWriter out, String prefix, 12407 PackageParser.ServiceIntentInfo filter) { 12408 out.print(prefix); out.print( 12409 Integer.toHexString(System.identityHashCode(filter.service))); 12410 out.print(' '); 12411 filter.service.printComponentShortName(out); 12412 out.print(" filter "); 12413 out.println(Integer.toHexString(System.identityHashCode(filter))); 12414 } 12415 12416 @Override 12417 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 12418 return filter.service; 12419 } 12420 12421 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12422 PackageParser.Service service = (PackageParser.Service)label; 12423 out.print(prefix); out.print( 12424 Integer.toHexString(System.identityHashCode(service))); 12425 out.print(' '); 12426 service.printComponentShortName(out); 12427 if (count > 1) { 12428 out.print(" ("); out.print(count); out.print(" filters)"); 12429 } 12430 out.println(); 12431 } 12432 12433// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 12434// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 12435// final List<ResolveInfo> retList = Lists.newArrayList(); 12436// while (i.hasNext()) { 12437// final ResolveInfo resolveInfo = (ResolveInfo) i; 12438// if (isEnabledLP(resolveInfo.serviceInfo)) { 12439// retList.add(resolveInfo); 12440// } 12441// } 12442// return retList; 12443// } 12444 12445 // Keys are String (activity class name), values are Activity. 12446 private final ArrayMap<ComponentName, PackageParser.Service> mServices 12447 = new ArrayMap<ComponentName, PackageParser.Service>(); 12448 private int mFlags; 12449 } 12450 12451 private final class ProviderIntentResolver 12452 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 12453 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12454 boolean defaultOnly, int userId) { 12455 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12456 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12457 } 12458 12459 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12460 int userId) { 12461 if (!sUserManager.exists(userId)) 12462 return null; 12463 mFlags = flags; 12464 return super.queryIntent(intent, resolvedType, 12465 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12466 userId); 12467 } 12468 12469 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12470 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 12471 if (!sUserManager.exists(userId)) 12472 return null; 12473 if (packageProviders == null) { 12474 return null; 12475 } 12476 mFlags = flags; 12477 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12478 final int N = packageProviders.size(); 12479 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 12480 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 12481 12482 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 12483 for (int i = 0; i < N; ++i) { 12484 intentFilters = packageProviders.get(i).intents; 12485 if (intentFilters != null && intentFilters.size() > 0) { 12486 PackageParser.ProviderIntentInfo[] array = 12487 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 12488 intentFilters.toArray(array); 12489 listCut.add(array); 12490 } 12491 } 12492 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12493 } 12494 12495 public final void addProvider(PackageParser.Provider p) { 12496 if (mProviders.containsKey(p.getComponentName())) { 12497 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 12498 return; 12499 } 12500 12501 mProviders.put(p.getComponentName(), p); 12502 if (DEBUG_SHOW_INFO) { 12503 Log.v(TAG, " " 12504 + (p.info.nonLocalizedLabel != null 12505 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12506 Log.v(TAG, " Class=" + p.info.name); 12507 } 12508 final int NI = p.intents.size(); 12509 int j; 12510 for (j = 0; j < NI; j++) { 12511 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12512 if (DEBUG_SHOW_INFO) { 12513 Log.v(TAG, " IntentFilter:"); 12514 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12515 } 12516 if (!intent.debugCheck()) { 12517 Log.w(TAG, "==> For Provider " + p.info.name); 12518 } 12519 addFilter(intent); 12520 } 12521 } 12522 12523 public final void removeProvider(PackageParser.Provider p) { 12524 mProviders.remove(p.getComponentName()); 12525 if (DEBUG_SHOW_INFO) { 12526 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 12527 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12528 Log.v(TAG, " Class=" + p.info.name); 12529 } 12530 final int NI = p.intents.size(); 12531 int j; 12532 for (j = 0; j < NI; j++) { 12533 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12534 if (DEBUG_SHOW_INFO) { 12535 Log.v(TAG, " IntentFilter:"); 12536 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12537 } 12538 removeFilter(intent); 12539 } 12540 } 12541 12542 @Override 12543 protected boolean allowFilterResult( 12544 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 12545 ProviderInfo filterPi = filter.provider.info; 12546 for (int i = dest.size() - 1; i >= 0; i--) { 12547 ProviderInfo destPi = dest.get(i).providerInfo; 12548 if (destPi.name == filterPi.name 12549 && destPi.packageName == filterPi.packageName) { 12550 return false; 12551 } 12552 } 12553 return true; 12554 } 12555 12556 @Override 12557 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 12558 return new PackageParser.ProviderIntentInfo[size]; 12559 } 12560 12561 @Override 12562 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 12563 if (!sUserManager.exists(userId)) 12564 return true; 12565 PackageParser.Package p = filter.provider.owner; 12566 if (p != null) { 12567 PackageSetting ps = (PackageSetting) p.mExtras; 12568 if (ps != null) { 12569 // System apps are never considered stopped for purposes of 12570 // filtering, because there may be no way for the user to 12571 // actually re-launch them. 12572 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12573 && ps.getStopped(userId); 12574 } 12575 } 12576 return false; 12577 } 12578 12579 @Override 12580 protected boolean isPackageForFilter(String packageName, 12581 PackageParser.ProviderIntentInfo info) { 12582 return packageName.equals(info.provider.owner.packageName); 12583 } 12584 12585 @Override 12586 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 12587 int match, int userId) { 12588 if (!sUserManager.exists(userId)) 12589 return null; 12590 final PackageParser.ProviderIntentInfo info = filter; 12591 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 12592 return null; 12593 } 12594 final PackageParser.Provider provider = info.provider; 12595 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 12596 if (ps == null) { 12597 return null; 12598 } 12599 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 12600 ps.readUserState(userId), userId); 12601 if (pi == null) { 12602 return null; 12603 } 12604 final ResolveInfo res = new ResolveInfo(); 12605 res.providerInfo = pi; 12606 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 12607 res.filter = filter; 12608 } 12609 res.priority = info.getPriority(); 12610 res.preferredOrder = provider.owner.mPreferredOrder; 12611 res.match = match; 12612 res.isDefault = info.hasDefault; 12613 res.labelRes = info.labelRes; 12614 res.nonLocalizedLabel = info.nonLocalizedLabel; 12615 res.icon = info.icon; 12616 res.system = res.providerInfo.applicationInfo.isSystemApp(); 12617 return res; 12618 } 12619 12620 @Override 12621 protected void sortResults(List<ResolveInfo> results) { 12622 Collections.sort(results, mResolvePrioritySorter); 12623 } 12624 12625 @Override 12626 protected void dumpFilter(PrintWriter out, String prefix, 12627 PackageParser.ProviderIntentInfo filter) { 12628 out.print(prefix); 12629 out.print( 12630 Integer.toHexString(System.identityHashCode(filter.provider))); 12631 out.print(' '); 12632 filter.provider.printComponentShortName(out); 12633 out.print(" filter "); 12634 out.println(Integer.toHexString(System.identityHashCode(filter))); 12635 } 12636 12637 @Override 12638 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 12639 return filter.provider; 12640 } 12641 12642 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12643 PackageParser.Provider provider = (PackageParser.Provider)label; 12644 out.print(prefix); out.print( 12645 Integer.toHexString(System.identityHashCode(provider))); 12646 out.print(' '); 12647 provider.printComponentShortName(out); 12648 if (count > 1) { 12649 out.print(" ("); out.print(count); out.print(" filters)"); 12650 } 12651 out.println(); 12652 } 12653 12654 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 12655 = new ArrayMap<ComponentName, PackageParser.Provider>(); 12656 private int mFlags; 12657 } 12658 12659 static final class EphemeralIntentResolver 12660 extends IntentResolver<AuxiliaryResolveInfo, AuxiliaryResolveInfo> { 12661 /** 12662 * The result that has the highest defined order. Ordering applies on a 12663 * per-package basis. Mapping is from package name to Pair of order and 12664 * EphemeralResolveInfo. 12665 * <p> 12666 * NOTE: This is implemented as a field variable for convenience and efficiency. 12667 * By having a field variable, we're able to track filter ordering as soon as 12668 * a non-zero order is defined. Otherwise, multiple loops across the result set 12669 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 12670 * this needs to be contained entirely within {@link #filterResults}. 12671 */ 12672 final ArrayMap<String, Pair<Integer, InstantAppResolveInfo>> mOrderResult = new ArrayMap<>(); 12673 12674 @Override 12675 protected AuxiliaryResolveInfo[] newArray(int size) { 12676 return new AuxiliaryResolveInfo[size]; 12677 } 12678 12679 @Override 12680 protected boolean isPackageForFilter(String packageName, AuxiliaryResolveInfo responseObj) { 12681 return true; 12682 } 12683 12684 @Override 12685 protected AuxiliaryResolveInfo newResult(AuxiliaryResolveInfo responseObj, int match, 12686 int userId) { 12687 if (!sUserManager.exists(userId)) { 12688 return null; 12689 } 12690 final String packageName = responseObj.resolveInfo.getPackageName(); 12691 final Integer order = responseObj.getOrder(); 12692 final Pair<Integer, InstantAppResolveInfo> lastOrderResult = 12693 mOrderResult.get(packageName); 12694 // ordering is enabled and this item's order isn't high enough 12695 if (lastOrderResult != null && lastOrderResult.first >= order) { 12696 return null; 12697 } 12698 final InstantAppResolveInfo res = responseObj.resolveInfo; 12699 if (order > 0) { 12700 // non-zero order, enable ordering 12701 mOrderResult.put(packageName, new Pair<>(order, res)); 12702 } 12703 return responseObj; 12704 } 12705 12706 @Override 12707 protected void filterResults(List<AuxiliaryResolveInfo> results) { 12708 // only do work if ordering is enabled [most of the time it won't be] 12709 if (mOrderResult.size() == 0) { 12710 return; 12711 } 12712 int resultSize = results.size(); 12713 for (int i = 0; i < resultSize; i++) { 12714 final InstantAppResolveInfo info = results.get(i).resolveInfo; 12715 final String packageName = info.getPackageName(); 12716 final Pair<Integer, InstantAppResolveInfo> savedInfo = mOrderResult.get(packageName); 12717 if (savedInfo == null) { 12718 // package doesn't having ordering 12719 continue; 12720 } 12721 if (savedInfo.second == info) { 12722 // circled back to the highest ordered item; remove from order list 12723 mOrderResult.remove(savedInfo); 12724 if (mOrderResult.size() == 0) { 12725 // no more ordered items 12726 break; 12727 } 12728 continue; 12729 } 12730 // item has a worse order, remove it from the result list 12731 results.remove(i); 12732 resultSize--; 12733 i--; 12734 } 12735 } 12736 } 12737 12738 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 12739 new Comparator<ResolveInfo>() { 12740 public int compare(ResolveInfo r1, ResolveInfo r2) { 12741 int v1 = r1.priority; 12742 int v2 = r2.priority; 12743 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 12744 if (v1 != v2) { 12745 return (v1 > v2) ? -1 : 1; 12746 } 12747 v1 = r1.preferredOrder; 12748 v2 = r2.preferredOrder; 12749 if (v1 != v2) { 12750 return (v1 > v2) ? -1 : 1; 12751 } 12752 if (r1.isDefault != r2.isDefault) { 12753 return r1.isDefault ? -1 : 1; 12754 } 12755 v1 = r1.match; 12756 v2 = r2.match; 12757 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 12758 if (v1 != v2) { 12759 return (v1 > v2) ? -1 : 1; 12760 } 12761 if (r1.system != r2.system) { 12762 return r1.system ? -1 : 1; 12763 } 12764 if (r1.activityInfo != null) { 12765 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 12766 } 12767 if (r1.serviceInfo != null) { 12768 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 12769 } 12770 if (r1.providerInfo != null) { 12771 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 12772 } 12773 return 0; 12774 } 12775 }; 12776 12777 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 12778 new Comparator<ProviderInfo>() { 12779 public int compare(ProviderInfo p1, ProviderInfo p2) { 12780 final int v1 = p1.initOrder; 12781 final int v2 = p2.initOrder; 12782 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 12783 } 12784 }; 12785 12786 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 12787 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 12788 final int[] userIds) { 12789 mHandler.post(new Runnable() { 12790 @Override 12791 public void run() { 12792 try { 12793 final IActivityManager am = ActivityManager.getService(); 12794 if (am == null) return; 12795 final int[] resolvedUserIds; 12796 if (userIds == null) { 12797 resolvedUserIds = am.getRunningUserIds(); 12798 } else { 12799 resolvedUserIds = userIds; 12800 } 12801 for (int id : resolvedUserIds) { 12802 final Intent intent = new Intent(action, 12803 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 12804 if (extras != null) { 12805 intent.putExtras(extras); 12806 } 12807 if (targetPkg != null) { 12808 intent.setPackage(targetPkg); 12809 } 12810 // Modify the UID when posting to other users 12811 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 12812 if (uid > 0 && UserHandle.getUserId(uid) != id) { 12813 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 12814 intent.putExtra(Intent.EXTRA_UID, uid); 12815 } 12816 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 12817 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 12818 if (DEBUG_BROADCASTS) { 12819 RuntimeException here = new RuntimeException("here"); 12820 here.fillInStackTrace(); 12821 Slog.d(TAG, "Sending to user " + id + ": " 12822 + intent.toShortString(false, true, false, false) 12823 + " " + intent.getExtras(), here); 12824 } 12825 am.broadcastIntent(null, intent, null, finishedReceiver, 12826 0, null, null, null, android.app.AppOpsManager.OP_NONE, 12827 null, finishedReceiver != null, false, id); 12828 } 12829 } catch (RemoteException ex) { 12830 } 12831 } 12832 }); 12833 } 12834 12835 /** 12836 * Check if the external storage media is available. This is true if there 12837 * is a mounted external storage medium or if the external storage is 12838 * emulated. 12839 */ 12840 private boolean isExternalMediaAvailable() { 12841 return mMediaMounted || Environment.isExternalStorageEmulated(); 12842 } 12843 12844 @Override 12845 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 12846 // writer 12847 synchronized (mPackages) { 12848 if (!isExternalMediaAvailable()) { 12849 // If the external storage is no longer mounted at this point, 12850 // the caller may not have been able to delete all of this 12851 // packages files and can not delete any more. Bail. 12852 return null; 12853 } 12854 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 12855 if (lastPackage != null) { 12856 pkgs.remove(lastPackage); 12857 } 12858 if (pkgs.size() > 0) { 12859 return pkgs.get(0); 12860 } 12861 } 12862 return null; 12863 } 12864 12865 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 12866 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 12867 userId, andCode ? 1 : 0, packageName); 12868 if (mSystemReady) { 12869 msg.sendToTarget(); 12870 } else { 12871 if (mPostSystemReadyMessages == null) { 12872 mPostSystemReadyMessages = new ArrayList<>(); 12873 } 12874 mPostSystemReadyMessages.add(msg); 12875 } 12876 } 12877 12878 void startCleaningPackages() { 12879 // reader 12880 if (!isExternalMediaAvailable()) { 12881 return; 12882 } 12883 synchronized (mPackages) { 12884 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 12885 return; 12886 } 12887 } 12888 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 12889 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 12890 IActivityManager am = ActivityManager.getService(); 12891 if (am != null) { 12892 try { 12893 am.startService(null, intent, null, -1, null, mContext.getOpPackageName(), 12894 UserHandle.USER_SYSTEM); 12895 } catch (RemoteException e) { 12896 } 12897 } 12898 } 12899 12900 @Override 12901 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 12902 int installFlags, String installerPackageName, int userId) { 12903 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 12904 12905 final int callingUid = Binder.getCallingUid(); 12906 enforceCrossUserPermission(callingUid, userId, 12907 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 12908 12909 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 12910 try { 12911 if (observer != null) { 12912 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 12913 } 12914 } catch (RemoteException re) { 12915 } 12916 return; 12917 } 12918 12919 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 12920 installFlags |= PackageManager.INSTALL_FROM_ADB; 12921 12922 } else { 12923 // Caller holds INSTALL_PACKAGES permission, so we're less strict 12924 // about installerPackageName. 12925 12926 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 12927 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 12928 } 12929 12930 UserHandle user; 12931 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 12932 user = UserHandle.ALL; 12933 } else { 12934 user = new UserHandle(userId); 12935 } 12936 12937 // Only system components can circumvent runtime permissions when installing. 12938 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 12939 && mContext.checkCallingOrSelfPermission(Manifest.permission 12940 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 12941 throw new SecurityException("You need the " 12942 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 12943 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 12944 } 12945 12946 if ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0 12947 || (installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12948 throw new IllegalArgumentException( 12949 "New installs into ASEC containers no longer supported"); 12950 } 12951 12952 final File originFile = new File(originPath); 12953 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 12954 12955 final Message msg = mHandler.obtainMessage(INIT_COPY); 12956 final VerificationInfo verificationInfo = new VerificationInfo( 12957 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 12958 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 12959 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 12960 null /*packageAbiOverride*/, null /*grantedPermissions*/, 12961 null /*certificates*/, PackageManager.INSTALL_REASON_UNKNOWN); 12962 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 12963 msg.obj = params; 12964 12965 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 12966 System.identityHashCode(msg.obj)); 12967 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 12968 System.identityHashCode(msg.obj)); 12969 12970 mHandler.sendMessage(msg); 12971 } 12972 12973 12974 /** 12975 * Ensure that the install reason matches what we know about the package installer (e.g. whether 12976 * it is acting on behalf on an enterprise or the user). 12977 * 12978 * Note that the ordering of the conditionals in this method is important. The checks we perform 12979 * are as follows, in this order: 12980 * 12981 * 1) If the install is being performed by a system app, we can trust the app to have set the 12982 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 12983 * what it is. 12984 * 2) If the install is being performed by a device or profile owner app, the install reason 12985 * should be enterprise policy. However, we cannot be sure that the device or profile owner 12986 * set the install reason correctly. If the app targets an older SDK version where install 12987 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 12988 * unset or wrong. Thus, we force the install reason to be enterprise policy. 12989 * 3) In all other cases, the install is being performed by a regular app that is neither part 12990 * of the system nor a device or profile owner. We have no reason to believe that this app is 12991 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 12992 * set to enterprise policy and if so, change it to unknown instead. 12993 */ 12994 private int fixUpInstallReason(String installerPackageName, int installerUid, 12995 int installReason) { 12996 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 12997 == PERMISSION_GRANTED) { 12998 // If the install is being performed by a system app, we trust that app to have set the 12999 // install reason correctly. 13000 return installReason; 13001 } 13002 13003 final IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13004 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13005 if (dpm != null) { 13006 ComponentName owner = null; 13007 try { 13008 owner = dpm.getDeviceOwnerComponent(true /* callingUserOnly */); 13009 if (owner == null) { 13010 owner = dpm.getProfileOwner(UserHandle.getUserId(installerUid)); 13011 } 13012 } catch (RemoteException e) { 13013 } 13014 if (owner != null && owner.getPackageName().equals(installerPackageName)) { 13015 // If the install is being performed by a device or profile owner, the install 13016 // reason should be enterprise policy. 13017 return PackageManager.INSTALL_REASON_POLICY; 13018 } 13019 } 13020 13021 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 13022 // If the install is being performed by a regular app (i.e. neither system app nor 13023 // device or profile owner), we have no reason to believe that the app is acting on 13024 // behalf of an enterprise. If the app set the install reason to enterprise policy, 13025 // change it to unknown instead. 13026 return PackageManager.INSTALL_REASON_UNKNOWN; 13027 } 13028 13029 // If the install is being performed by a regular app and the install reason was set to any 13030 // value but enterprise policy, leave the install reason unchanged. 13031 return installReason; 13032 } 13033 13034 void installStage(String packageName, File stagedDir, String stagedCid, 13035 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 13036 String installerPackageName, int installerUid, UserHandle user, 13037 Certificate[][] certificates) { 13038 if (DEBUG_EPHEMERAL) { 13039 if ((sessionParams.installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13040 Slog.d(TAG, "Ephemeral install of " + packageName); 13041 } 13042 } 13043 final VerificationInfo verificationInfo = new VerificationInfo( 13044 sessionParams.originatingUri, sessionParams.referrerUri, 13045 sessionParams.originatingUid, installerUid); 13046 13047 final OriginInfo origin; 13048 if (stagedDir != null) { 13049 origin = OriginInfo.fromStagedFile(stagedDir); 13050 } else { 13051 origin = OriginInfo.fromStagedContainer(stagedCid); 13052 } 13053 13054 final Message msg = mHandler.obtainMessage(INIT_COPY); 13055 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 13056 sessionParams.installReason); 13057 final InstallParams params = new InstallParams(origin, null, observer, 13058 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 13059 verificationInfo, user, sessionParams.abiOverride, 13060 sessionParams.grantedRuntimePermissions, certificates, installReason); 13061 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 13062 msg.obj = params; 13063 13064 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 13065 System.identityHashCode(msg.obj)); 13066 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13067 System.identityHashCode(msg.obj)); 13068 13069 mHandler.sendMessage(msg); 13070 } 13071 13072 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 13073 int userId) { 13074 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 13075 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 13076 } 13077 13078 private void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 13079 int appId, int... userIds) { 13080 if (ArrayUtils.isEmpty(userIds)) { 13081 return; 13082 } 13083 Bundle extras = new Bundle(1); 13084 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 13085 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 13086 13087 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 13088 packageName, extras, 0, null, null, userIds); 13089 if (isSystem) { 13090 mHandler.post(() -> { 13091 for (int userId : userIds) { 13092 sendBootCompletedBroadcastToSystemApp(packageName, userId); 13093 } 13094 } 13095 ); 13096 } 13097 } 13098 13099 /** 13100 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 13101 * automatically without needing an explicit launch. 13102 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 13103 */ 13104 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 13105 // If user is not running, the app didn't miss any broadcast 13106 if (!mUserManagerInternal.isUserRunning(userId)) { 13107 return; 13108 } 13109 final IActivityManager am = ActivityManager.getService(); 13110 try { 13111 // Deliver LOCKED_BOOT_COMPLETED first 13112 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 13113 .setPackage(packageName); 13114 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 13115 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 13116 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13117 13118 // Deliver BOOT_COMPLETED only if user is unlocked 13119 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 13120 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 13121 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 13122 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13123 } 13124 } catch (RemoteException e) { 13125 throw e.rethrowFromSystemServer(); 13126 } 13127 } 13128 13129 @Override 13130 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 13131 int userId) { 13132 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13133 PackageSetting pkgSetting; 13134 final int uid = Binder.getCallingUid(); 13135 enforceCrossUserPermission(uid, userId, 13136 true /* requireFullPermission */, true /* checkShell */, 13137 "setApplicationHiddenSetting for user " + userId); 13138 13139 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 13140 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 13141 return false; 13142 } 13143 13144 long callingId = Binder.clearCallingIdentity(); 13145 try { 13146 boolean sendAdded = false; 13147 boolean sendRemoved = false; 13148 // writer 13149 synchronized (mPackages) { 13150 pkgSetting = mSettings.mPackages.get(packageName); 13151 if (pkgSetting == null) { 13152 return false; 13153 } 13154 // Do not allow "android" is being disabled 13155 if ("android".equals(packageName)) { 13156 Slog.w(TAG, "Cannot hide package: android"); 13157 return false; 13158 } 13159 // Cannot hide static shared libs as they are considered 13160 // a part of the using app (emulating static linking). Also 13161 // static libs are installed always on internal storage. 13162 PackageParser.Package pkg = mPackages.get(packageName); 13163 if (pkg != null && pkg.staticSharedLibName != null) { 13164 Slog.w(TAG, "Cannot hide package: " + packageName 13165 + " providing static shared library: " 13166 + pkg.staticSharedLibName); 13167 return false; 13168 } 13169 // Only allow protected packages to hide themselves. 13170 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 13171 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13172 Slog.w(TAG, "Not hiding protected package: " + packageName); 13173 return false; 13174 } 13175 13176 if (pkgSetting.getHidden(userId) != hidden) { 13177 pkgSetting.setHidden(hidden, userId); 13178 mSettings.writePackageRestrictionsLPr(userId); 13179 if (hidden) { 13180 sendRemoved = true; 13181 } else { 13182 sendAdded = true; 13183 } 13184 } 13185 } 13186 if (sendAdded) { 13187 sendPackageAddedForUser(packageName, pkgSetting, userId); 13188 return true; 13189 } 13190 if (sendRemoved) { 13191 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 13192 "hiding pkg"); 13193 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 13194 return true; 13195 } 13196 } finally { 13197 Binder.restoreCallingIdentity(callingId); 13198 } 13199 return false; 13200 } 13201 13202 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 13203 int userId) { 13204 final PackageRemovedInfo info = new PackageRemovedInfo(); 13205 info.removedPackage = packageName; 13206 info.removedUsers = new int[] {userId}; 13207 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 13208 info.sendPackageRemovedBroadcasts(true /*killApp*/); 13209 } 13210 13211 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 13212 if (pkgList.length > 0) { 13213 Bundle extras = new Bundle(1); 13214 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 13215 13216 sendPackageBroadcast( 13217 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 13218 : Intent.ACTION_PACKAGES_UNSUSPENDED, 13219 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 13220 new int[] {userId}); 13221 } 13222 } 13223 13224 /** 13225 * Returns true if application is not found or there was an error. Otherwise it returns 13226 * the hidden state of the package for the given user. 13227 */ 13228 @Override 13229 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 13230 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13231 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13232 true /* requireFullPermission */, false /* checkShell */, 13233 "getApplicationHidden for user " + userId); 13234 PackageSetting pkgSetting; 13235 long callingId = Binder.clearCallingIdentity(); 13236 try { 13237 // writer 13238 synchronized (mPackages) { 13239 pkgSetting = mSettings.mPackages.get(packageName); 13240 if (pkgSetting == null) { 13241 return true; 13242 } 13243 return pkgSetting.getHidden(userId); 13244 } 13245 } finally { 13246 Binder.restoreCallingIdentity(callingId); 13247 } 13248 } 13249 13250 /** 13251 * @hide 13252 */ 13253 @Override 13254 public int installExistingPackageAsUser(String packageName, int userId, int installFlags, 13255 int installReason) { 13256 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 13257 null); 13258 PackageSetting pkgSetting; 13259 final int uid = Binder.getCallingUid(); 13260 enforceCrossUserPermission(uid, userId, 13261 true /* requireFullPermission */, true /* checkShell */, 13262 "installExistingPackage for user " + userId); 13263 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13264 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 13265 } 13266 13267 long callingId = Binder.clearCallingIdentity(); 13268 try { 13269 boolean installed = false; 13270 final boolean instantApp = 13271 (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 13272 final boolean fullApp = 13273 (installFlags & PackageManager.INSTALL_FULL_APP) != 0; 13274 13275 // writer 13276 synchronized (mPackages) { 13277 pkgSetting = mSettings.mPackages.get(packageName); 13278 if (pkgSetting == null) { 13279 return PackageManager.INSTALL_FAILED_INVALID_URI; 13280 } 13281 if (!pkgSetting.getInstalled(userId)) { 13282 pkgSetting.setInstalled(true, userId); 13283 pkgSetting.setHidden(false, userId); 13284 pkgSetting.setInstallReason(installReason, userId); 13285 mSettings.writePackageRestrictionsLPr(userId); 13286 mSettings.writeKernelMappingLPr(pkgSetting); 13287 installed = true; 13288 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13289 // upgrade app from instant to full; we don't allow app downgrade 13290 installed = true; 13291 } 13292 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 13293 } 13294 13295 if (installed) { 13296 if (pkgSetting.pkg != null) { 13297 synchronized (mInstallLock) { 13298 // We don't need to freeze for a brand new install 13299 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 13300 } 13301 } 13302 sendPackageAddedForUser(packageName, pkgSetting, userId); 13303 synchronized (mPackages) { 13304 updateSequenceNumberLP(packageName, new int[]{ userId }); 13305 } 13306 } 13307 } finally { 13308 Binder.restoreCallingIdentity(callingId); 13309 } 13310 13311 return PackageManager.INSTALL_SUCCEEDED; 13312 } 13313 13314 void setInstantAppForUser(PackageSetting pkgSetting, int userId, 13315 boolean instantApp, boolean fullApp) { 13316 // no state specified; do nothing 13317 if (!instantApp && !fullApp) { 13318 return; 13319 } 13320 if (userId != UserHandle.USER_ALL) { 13321 if (instantApp && !pkgSetting.getInstantApp(userId)) { 13322 pkgSetting.setInstantApp(true /*instantApp*/, userId); 13323 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13324 pkgSetting.setInstantApp(false /*instantApp*/, userId); 13325 } 13326 } else { 13327 for (int currentUserId : sUserManager.getUserIds()) { 13328 if (instantApp && !pkgSetting.getInstantApp(currentUserId)) { 13329 pkgSetting.setInstantApp(true /*instantApp*/, currentUserId); 13330 } else if (fullApp && pkgSetting.getInstantApp(currentUserId)) { 13331 pkgSetting.setInstantApp(false /*instantApp*/, currentUserId); 13332 } 13333 } 13334 } 13335 } 13336 13337 boolean isUserRestricted(int userId, String restrictionKey) { 13338 Bundle restrictions = sUserManager.getUserRestrictions(userId); 13339 if (restrictions.getBoolean(restrictionKey, false)) { 13340 Log.w(TAG, "User is restricted: " + restrictionKey); 13341 return true; 13342 } 13343 return false; 13344 } 13345 13346 @Override 13347 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 13348 int userId) { 13349 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13350 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13351 true /* requireFullPermission */, true /* checkShell */, 13352 "setPackagesSuspended for user " + userId); 13353 13354 if (ArrayUtils.isEmpty(packageNames)) { 13355 return packageNames; 13356 } 13357 13358 // List of package names for whom the suspended state has changed. 13359 List<String> changedPackages = new ArrayList<>(packageNames.length); 13360 // List of package names for whom the suspended state is not set as requested in this 13361 // method. 13362 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 13363 long callingId = Binder.clearCallingIdentity(); 13364 try { 13365 for (int i = 0; i < packageNames.length; i++) { 13366 String packageName = packageNames[i]; 13367 boolean changed = false; 13368 final int appId; 13369 synchronized (mPackages) { 13370 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13371 if (pkgSetting == null) { 13372 Slog.w(TAG, "Could not find package setting for package \"" + packageName 13373 + "\". Skipping suspending/un-suspending."); 13374 unactionedPackages.add(packageName); 13375 continue; 13376 } 13377 appId = pkgSetting.appId; 13378 if (pkgSetting.getSuspended(userId) != suspended) { 13379 if (!canSuspendPackageForUserLocked(packageName, userId)) { 13380 unactionedPackages.add(packageName); 13381 continue; 13382 } 13383 pkgSetting.setSuspended(suspended, userId); 13384 mSettings.writePackageRestrictionsLPr(userId); 13385 changed = true; 13386 changedPackages.add(packageName); 13387 } 13388 } 13389 13390 if (changed && suspended) { 13391 killApplication(packageName, UserHandle.getUid(userId, appId), 13392 "suspending package"); 13393 } 13394 } 13395 } finally { 13396 Binder.restoreCallingIdentity(callingId); 13397 } 13398 13399 if (!changedPackages.isEmpty()) { 13400 sendPackagesSuspendedForUser(changedPackages.toArray( 13401 new String[changedPackages.size()]), userId, suspended); 13402 } 13403 13404 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 13405 } 13406 13407 @Override 13408 public boolean isPackageSuspendedForUser(String packageName, int userId) { 13409 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13410 true /* requireFullPermission */, false /* checkShell */, 13411 "isPackageSuspendedForUser for user " + userId); 13412 synchronized (mPackages) { 13413 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13414 if (pkgSetting == null) { 13415 throw new IllegalArgumentException("Unknown target package: " + packageName); 13416 } 13417 return pkgSetting.getSuspended(userId); 13418 } 13419 } 13420 13421 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 13422 if (isPackageDeviceAdmin(packageName, userId)) { 13423 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13424 + "\": has an active device admin"); 13425 return false; 13426 } 13427 13428 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 13429 if (packageName.equals(activeLauncherPackageName)) { 13430 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13431 + "\": contains the active launcher"); 13432 return false; 13433 } 13434 13435 if (packageName.equals(mRequiredInstallerPackage)) { 13436 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13437 + "\": required for package installation"); 13438 return false; 13439 } 13440 13441 if (packageName.equals(mRequiredUninstallerPackage)) { 13442 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13443 + "\": required for package uninstallation"); 13444 return false; 13445 } 13446 13447 if (packageName.equals(mRequiredVerifierPackage)) { 13448 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13449 + "\": required for package verification"); 13450 return false; 13451 } 13452 13453 if (packageName.equals(getDefaultDialerPackageName(userId))) { 13454 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13455 + "\": is the default dialer"); 13456 return false; 13457 } 13458 13459 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13460 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13461 + "\": protected package"); 13462 return false; 13463 } 13464 13465 // Cannot suspend static shared libs as they are considered 13466 // a part of the using app (emulating static linking). Also 13467 // static libs are installed always on internal storage. 13468 PackageParser.Package pkg = mPackages.get(packageName); 13469 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 13470 Slog.w(TAG, "Cannot suspend package: " + packageName 13471 + " providing static shared library: " 13472 + pkg.staticSharedLibName); 13473 return false; 13474 } 13475 13476 return true; 13477 } 13478 13479 private String getActiveLauncherPackageName(int userId) { 13480 Intent intent = new Intent(Intent.ACTION_MAIN); 13481 intent.addCategory(Intent.CATEGORY_HOME); 13482 ResolveInfo resolveInfo = resolveIntent( 13483 intent, 13484 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 13485 PackageManager.MATCH_DEFAULT_ONLY, 13486 userId); 13487 13488 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 13489 } 13490 13491 private String getDefaultDialerPackageName(int userId) { 13492 synchronized (mPackages) { 13493 return mSettings.getDefaultDialerPackageNameLPw(userId); 13494 } 13495 } 13496 13497 @Override 13498 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 13499 mContext.enforceCallingOrSelfPermission( 13500 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13501 "Only package verification agents can verify applications"); 13502 13503 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13504 final PackageVerificationResponse response = new PackageVerificationResponse( 13505 verificationCode, Binder.getCallingUid()); 13506 msg.arg1 = id; 13507 msg.obj = response; 13508 mHandler.sendMessage(msg); 13509 } 13510 13511 @Override 13512 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 13513 long millisecondsToDelay) { 13514 mContext.enforceCallingOrSelfPermission( 13515 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13516 "Only package verification agents can extend verification timeouts"); 13517 13518 final PackageVerificationState state = mPendingVerification.get(id); 13519 final PackageVerificationResponse response = new PackageVerificationResponse( 13520 verificationCodeAtTimeout, Binder.getCallingUid()); 13521 13522 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 13523 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 13524 } 13525 if (millisecondsToDelay < 0) { 13526 millisecondsToDelay = 0; 13527 } 13528 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 13529 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 13530 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 13531 } 13532 13533 if ((state != null) && !state.timeoutExtended()) { 13534 state.extendTimeout(); 13535 13536 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13537 msg.arg1 = id; 13538 msg.obj = response; 13539 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 13540 } 13541 } 13542 13543 private void broadcastPackageVerified(int verificationId, Uri packageUri, 13544 int verificationCode, UserHandle user) { 13545 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 13546 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 13547 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13548 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13549 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 13550 13551 mContext.sendBroadcastAsUser(intent, user, 13552 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 13553 } 13554 13555 private ComponentName matchComponentForVerifier(String packageName, 13556 List<ResolveInfo> receivers) { 13557 ActivityInfo targetReceiver = null; 13558 13559 final int NR = receivers.size(); 13560 for (int i = 0; i < NR; i++) { 13561 final ResolveInfo info = receivers.get(i); 13562 if (info.activityInfo == null) { 13563 continue; 13564 } 13565 13566 if (packageName.equals(info.activityInfo.packageName)) { 13567 targetReceiver = info.activityInfo; 13568 break; 13569 } 13570 } 13571 13572 if (targetReceiver == null) { 13573 return null; 13574 } 13575 13576 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 13577 } 13578 13579 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 13580 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 13581 if (pkgInfo.verifiers.length == 0) { 13582 return null; 13583 } 13584 13585 final int N = pkgInfo.verifiers.length; 13586 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 13587 for (int i = 0; i < N; i++) { 13588 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 13589 13590 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 13591 receivers); 13592 if (comp == null) { 13593 continue; 13594 } 13595 13596 final int verifierUid = getUidForVerifier(verifierInfo); 13597 if (verifierUid == -1) { 13598 continue; 13599 } 13600 13601 if (DEBUG_VERIFY) { 13602 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 13603 + " with the correct signature"); 13604 } 13605 sufficientVerifiers.add(comp); 13606 verificationState.addSufficientVerifier(verifierUid); 13607 } 13608 13609 return sufficientVerifiers; 13610 } 13611 13612 private int getUidForVerifier(VerifierInfo verifierInfo) { 13613 synchronized (mPackages) { 13614 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 13615 if (pkg == null) { 13616 return -1; 13617 } else if (pkg.mSignatures.length != 1) { 13618 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13619 + " has more than one signature; ignoring"); 13620 return -1; 13621 } 13622 13623 /* 13624 * If the public key of the package's signature does not match 13625 * our expected public key, then this is a different package and 13626 * we should skip. 13627 */ 13628 13629 final byte[] expectedPublicKey; 13630 try { 13631 final Signature verifierSig = pkg.mSignatures[0]; 13632 final PublicKey publicKey = verifierSig.getPublicKey(); 13633 expectedPublicKey = publicKey.getEncoded(); 13634 } catch (CertificateException e) { 13635 return -1; 13636 } 13637 13638 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 13639 13640 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 13641 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13642 + " does not have the expected public key; ignoring"); 13643 return -1; 13644 } 13645 13646 return pkg.applicationInfo.uid; 13647 } 13648 } 13649 13650 @Override 13651 public void finishPackageInstall(int token, boolean didLaunch) { 13652 enforceSystemOrRoot("Only the system is allowed to finish installs"); 13653 13654 if (DEBUG_INSTALL) { 13655 Slog.v(TAG, "BM finishing package install for " + token); 13656 } 13657 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13658 13659 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 13660 mHandler.sendMessage(msg); 13661 } 13662 13663 /** 13664 * Get the verification agent timeout. 13665 * 13666 * @return verification timeout in milliseconds 13667 */ 13668 private long getVerificationTimeout() { 13669 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 13670 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 13671 DEFAULT_VERIFICATION_TIMEOUT); 13672 } 13673 13674 /** 13675 * Get the default verification agent response code. 13676 * 13677 * @return default verification response code 13678 */ 13679 private int getDefaultVerificationResponse() { 13680 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13681 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 13682 DEFAULT_VERIFICATION_RESPONSE); 13683 } 13684 13685 /** 13686 * Check whether or not package verification has been enabled. 13687 * 13688 * @return true if verification should be performed 13689 */ 13690 private boolean isVerificationEnabled(int userId, int installFlags) { 13691 if (!DEFAULT_VERIFY_ENABLE) { 13692 return false; 13693 } 13694 13695 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 13696 13697 // Check if installing from ADB 13698 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 13699 // Do not run verification in a test harness environment 13700 if (ActivityManager.isRunningInTestHarness()) { 13701 return false; 13702 } 13703 if (ensureVerifyAppsEnabled) { 13704 return true; 13705 } 13706 // Check if the developer does not want package verification for ADB installs 13707 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13708 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 13709 return false; 13710 } 13711 } 13712 13713 if (ensureVerifyAppsEnabled) { 13714 return true; 13715 } 13716 13717 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13718 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 13719 } 13720 13721 @Override 13722 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 13723 throws RemoteException { 13724 mContext.enforceCallingOrSelfPermission( 13725 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 13726 "Only intentfilter verification agents can verify applications"); 13727 13728 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 13729 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 13730 Binder.getCallingUid(), verificationCode, failedDomains); 13731 msg.arg1 = id; 13732 msg.obj = response; 13733 mHandler.sendMessage(msg); 13734 } 13735 13736 @Override 13737 public int getIntentVerificationStatus(String packageName, int userId) { 13738 synchronized (mPackages) { 13739 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 13740 } 13741 } 13742 13743 @Override 13744 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 13745 mContext.enforceCallingOrSelfPermission( 13746 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13747 13748 boolean result = false; 13749 synchronized (mPackages) { 13750 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 13751 } 13752 if (result) { 13753 scheduleWritePackageRestrictionsLocked(userId); 13754 } 13755 return result; 13756 } 13757 13758 @Override 13759 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 13760 String packageName) { 13761 synchronized (mPackages) { 13762 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 13763 } 13764 } 13765 13766 @Override 13767 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 13768 if (TextUtils.isEmpty(packageName)) { 13769 return ParceledListSlice.emptyList(); 13770 } 13771 synchronized (mPackages) { 13772 PackageParser.Package pkg = mPackages.get(packageName); 13773 if (pkg == null || pkg.activities == null) { 13774 return ParceledListSlice.emptyList(); 13775 } 13776 final int count = pkg.activities.size(); 13777 ArrayList<IntentFilter> result = new ArrayList<>(); 13778 for (int n=0; n<count; n++) { 13779 PackageParser.Activity activity = pkg.activities.get(n); 13780 if (activity.intents != null && activity.intents.size() > 0) { 13781 result.addAll(activity.intents); 13782 } 13783 } 13784 return new ParceledListSlice<>(result); 13785 } 13786 } 13787 13788 @Override 13789 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 13790 mContext.enforceCallingOrSelfPermission( 13791 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13792 13793 synchronized (mPackages) { 13794 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 13795 if (packageName != null) { 13796 result |= updateIntentVerificationStatus(packageName, 13797 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 13798 userId); 13799 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 13800 packageName, userId); 13801 } 13802 return result; 13803 } 13804 } 13805 13806 @Override 13807 public String getDefaultBrowserPackageName(int userId) { 13808 synchronized (mPackages) { 13809 return mSettings.getDefaultBrowserPackageNameLPw(userId); 13810 } 13811 } 13812 13813 /** 13814 * Get the "allow unknown sources" setting. 13815 * 13816 * @return the current "allow unknown sources" setting 13817 */ 13818 private int getUnknownSourcesSettings() { 13819 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 13820 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 13821 -1); 13822 } 13823 13824 @Override 13825 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 13826 final int uid = Binder.getCallingUid(); 13827 // writer 13828 synchronized (mPackages) { 13829 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 13830 if (targetPackageSetting == null) { 13831 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 13832 } 13833 13834 PackageSetting installerPackageSetting; 13835 if (installerPackageName != null) { 13836 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 13837 if (installerPackageSetting == null) { 13838 throw new IllegalArgumentException("Unknown installer package: " 13839 + installerPackageName); 13840 } 13841 } else { 13842 installerPackageSetting = null; 13843 } 13844 13845 Signature[] callerSignature; 13846 Object obj = mSettings.getUserIdLPr(uid); 13847 if (obj != null) { 13848 if (obj instanceof SharedUserSetting) { 13849 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 13850 } else if (obj instanceof PackageSetting) { 13851 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 13852 } else { 13853 throw new SecurityException("Bad object " + obj + " for uid " + uid); 13854 } 13855 } else { 13856 throw new SecurityException("Unknown calling UID: " + uid); 13857 } 13858 13859 // Verify: can't set installerPackageName to a package that is 13860 // not signed with the same cert as the caller. 13861 if (installerPackageSetting != null) { 13862 if (compareSignatures(callerSignature, 13863 installerPackageSetting.signatures.mSignatures) 13864 != PackageManager.SIGNATURE_MATCH) { 13865 throw new SecurityException( 13866 "Caller does not have same cert as new installer package " 13867 + installerPackageName); 13868 } 13869 } 13870 13871 // Verify: if target already has an installer package, it must 13872 // be signed with the same cert as the caller. 13873 if (targetPackageSetting.installerPackageName != null) { 13874 PackageSetting setting = mSettings.mPackages.get( 13875 targetPackageSetting.installerPackageName); 13876 // If the currently set package isn't valid, then it's always 13877 // okay to change it. 13878 if (setting != null) { 13879 if (compareSignatures(callerSignature, 13880 setting.signatures.mSignatures) 13881 != PackageManager.SIGNATURE_MATCH) { 13882 throw new SecurityException( 13883 "Caller does not have same cert as old installer package " 13884 + targetPackageSetting.installerPackageName); 13885 } 13886 } 13887 } 13888 13889 // Okay! 13890 targetPackageSetting.installerPackageName = installerPackageName; 13891 if (installerPackageName != null) { 13892 mSettings.mInstallerPackages.add(installerPackageName); 13893 } 13894 scheduleWriteSettingsLocked(); 13895 } 13896 } 13897 13898 @Override 13899 public void setApplicationCategoryHint(String packageName, int categoryHint, 13900 String callerPackageName) { 13901 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 13902 callerPackageName); 13903 synchronized (mPackages) { 13904 PackageSetting ps = mSettings.mPackages.get(packageName); 13905 if (ps == null) { 13906 throw new IllegalArgumentException("Unknown target package " + packageName); 13907 } 13908 13909 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 13910 throw new IllegalArgumentException("Calling package " + callerPackageName 13911 + " is not installer for " + packageName); 13912 } 13913 13914 if (ps.categoryHint != categoryHint) { 13915 ps.categoryHint = categoryHint; 13916 scheduleWriteSettingsLocked(); 13917 } 13918 } 13919 } 13920 13921 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 13922 // Queue up an async operation since the package installation may take a little while. 13923 mHandler.post(new Runnable() { 13924 public void run() { 13925 mHandler.removeCallbacks(this); 13926 // Result object to be returned 13927 PackageInstalledInfo res = new PackageInstalledInfo(); 13928 res.setReturnCode(currentStatus); 13929 res.uid = -1; 13930 res.pkg = null; 13931 res.removedInfo = null; 13932 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13933 args.doPreInstall(res.returnCode); 13934 synchronized (mInstallLock) { 13935 installPackageTracedLI(args, res); 13936 } 13937 args.doPostInstall(res.returnCode, res.uid); 13938 } 13939 13940 // A restore should be performed at this point if (a) the install 13941 // succeeded, (b) the operation is not an update, and (c) the new 13942 // package has not opted out of backup participation. 13943 final boolean update = res.removedInfo != null 13944 && res.removedInfo.removedPackage != null; 13945 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 13946 boolean doRestore = !update 13947 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 13948 13949 // Set up the post-install work request bookkeeping. This will be used 13950 // and cleaned up by the post-install event handling regardless of whether 13951 // there's a restore pass performed. Token values are >= 1. 13952 int token; 13953 if (mNextInstallToken < 0) mNextInstallToken = 1; 13954 token = mNextInstallToken++; 13955 13956 PostInstallData data = new PostInstallData(args, res); 13957 mRunningInstalls.put(token, data); 13958 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 13959 13960 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 13961 // Pass responsibility to the Backup Manager. It will perform a 13962 // restore if appropriate, then pass responsibility back to the 13963 // Package Manager to run the post-install observer callbacks 13964 // and broadcasts. 13965 IBackupManager bm = IBackupManager.Stub.asInterface( 13966 ServiceManager.getService(Context.BACKUP_SERVICE)); 13967 if (bm != null) { 13968 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 13969 + " to BM for possible restore"); 13970 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13971 try { 13972 // TODO: http://b/22388012 13973 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 13974 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 13975 } else { 13976 doRestore = false; 13977 } 13978 } catch (RemoteException e) { 13979 // can't happen; the backup manager is local 13980 } catch (Exception e) { 13981 Slog.e(TAG, "Exception trying to enqueue restore", e); 13982 doRestore = false; 13983 } 13984 } else { 13985 Slog.e(TAG, "Backup Manager not found!"); 13986 doRestore = false; 13987 } 13988 } 13989 13990 if (!doRestore) { 13991 // No restore possible, or the Backup Manager was mysteriously not 13992 // available -- just fire the post-install work request directly. 13993 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 13994 13995 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 13996 13997 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 13998 mHandler.sendMessage(msg); 13999 } 14000 } 14001 }); 14002 } 14003 14004 /** 14005 * Callback from PackageSettings whenever an app is first transitioned out of the 14006 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 14007 * the app was "launched" for a restoreAtInstall operation. Therefore we check 14008 * here whether the app is the target of an ongoing install, and only send the 14009 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 14010 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 14011 * handling. 14012 */ 14013 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 14014 // Serialize this with the rest of the install-process message chain. In the 14015 // restore-at-install case, this Runnable will necessarily run before the 14016 // POST_INSTALL message is processed, so the contents of mRunningInstalls 14017 // are coherent. In the non-restore case, the app has already completed install 14018 // and been launched through some other means, so it is not in a problematic 14019 // state for observers to see the FIRST_LAUNCH signal. 14020 mHandler.post(new Runnable() { 14021 @Override 14022 public void run() { 14023 for (int i = 0; i < mRunningInstalls.size(); i++) { 14024 final PostInstallData data = mRunningInstalls.valueAt(i); 14025 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14026 continue; 14027 } 14028 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 14029 // right package; but is it for the right user? 14030 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 14031 if (userId == data.res.newUsers[uIndex]) { 14032 if (DEBUG_BACKUP) { 14033 Slog.i(TAG, "Package " + pkgName 14034 + " being restored so deferring FIRST_LAUNCH"); 14035 } 14036 return; 14037 } 14038 } 14039 } 14040 } 14041 // didn't find it, so not being restored 14042 if (DEBUG_BACKUP) { 14043 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 14044 } 14045 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 14046 } 14047 }); 14048 } 14049 14050 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 14051 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 14052 installerPkg, null, userIds); 14053 } 14054 14055 private abstract class HandlerParams { 14056 private static final int MAX_RETRIES = 4; 14057 14058 /** 14059 * Number of times startCopy() has been attempted and had a non-fatal 14060 * error. 14061 */ 14062 private int mRetries = 0; 14063 14064 /** User handle for the user requesting the information or installation. */ 14065 private final UserHandle mUser; 14066 String traceMethod; 14067 int traceCookie; 14068 14069 HandlerParams(UserHandle user) { 14070 mUser = user; 14071 } 14072 14073 UserHandle getUser() { 14074 return mUser; 14075 } 14076 14077 HandlerParams setTraceMethod(String traceMethod) { 14078 this.traceMethod = traceMethod; 14079 return this; 14080 } 14081 14082 HandlerParams setTraceCookie(int traceCookie) { 14083 this.traceCookie = traceCookie; 14084 return this; 14085 } 14086 14087 final boolean startCopy() { 14088 boolean res; 14089 try { 14090 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 14091 14092 if (++mRetries > MAX_RETRIES) { 14093 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 14094 mHandler.sendEmptyMessage(MCS_GIVE_UP); 14095 handleServiceError(); 14096 return false; 14097 } else { 14098 handleStartCopy(); 14099 res = true; 14100 } 14101 } catch (RemoteException e) { 14102 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 14103 mHandler.sendEmptyMessage(MCS_RECONNECT); 14104 res = false; 14105 } 14106 handleReturnCode(); 14107 return res; 14108 } 14109 14110 final void serviceError() { 14111 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 14112 handleServiceError(); 14113 handleReturnCode(); 14114 } 14115 14116 abstract void handleStartCopy() throws RemoteException; 14117 abstract void handleServiceError(); 14118 abstract void handleReturnCode(); 14119 } 14120 14121 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 14122 for (File path : paths) { 14123 try { 14124 mcs.clearDirectory(path.getAbsolutePath()); 14125 } catch (RemoteException e) { 14126 } 14127 } 14128 } 14129 14130 static class OriginInfo { 14131 /** 14132 * Location where install is coming from, before it has been 14133 * copied/renamed into place. This could be a single monolithic APK 14134 * file, or a cluster directory. This location may be untrusted. 14135 */ 14136 final File file; 14137 final String cid; 14138 14139 /** 14140 * Flag indicating that {@link #file} or {@link #cid} has already been 14141 * staged, meaning downstream users don't need to defensively copy the 14142 * contents. 14143 */ 14144 final boolean staged; 14145 14146 /** 14147 * Flag indicating that {@link #file} or {@link #cid} is an already 14148 * installed app that is being moved. 14149 */ 14150 final boolean existing; 14151 14152 final String resolvedPath; 14153 final File resolvedFile; 14154 14155 static OriginInfo fromNothing() { 14156 return new OriginInfo(null, null, false, false); 14157 } 14158 14159 static OriginInfo fromUntrustedFile(File file) { 14160 return new OriginInfo(file, null, false, false); 14161 } 14162 14163 static OriginInfo fromExistingFile(File file) { 14164 return new OriginInfo(file, null, false, true); 14165 } 14166 14167 static OriginInfo fromStagedFile(File file) { 14168 return new OriginInfo(file, null, true, false); 14169 } 14170 14171 static OriginInfo fromStagedContainer(String cid) { 14172 return new OriginInfo(null, cid, true, false); 14173 } 14174 14175 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 14176 this.file = file; 14177 this.cid = cid; 14178 this.staged = staged; 14179 this.existing = existing; 14180 14181 if (cid != null) { 14182 resolvedPath = PackageHelper.getSdDir(cid); 14183 resolvedFile = new File(resolvedPath); 14184 } else if (file != null) { 14185 resolvedPath = file.getAbsolutePath(); 14186 resolvedFile = file; 14187 } else { 14188 resolvedPath = null; 14189 resolvedFile = null; 14190 } 14191 } 14192 } 14193 14194 static class MoveInfo { 14195 final int moveId; 14196 final String fromUuid; 14197 final String toUuid; 14198 final String packageName; 14199 final String dataAppName; 14200 final int appId; 14201 final String seinfo; 14202 final int targetSdkVersion; 14203 14204 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 14205 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 14206 this.moveId = moveId; 14207 this.fromUuid = fromUuid; 14208 this.toUuid = toUuid; 14209 this.packageName = packageName; 14210 this.dataAppName = dataAppName; 14211 this.appId = appId; 14212 this.seinfo = seinfo; 14213 this.targetSdkVersion = targetSdkVersion; 14214 } 14215 } 14216 14217 static class VerificationInfo { 14218 /** A constant used to indicate that a uid value is not present. */ 14219 public static final int NO_UID = -1; 14220 14221 /** URI referencing where the package was downloaded from. */ 14222 final Uri originatingUri; 14223 14224 /** HTTP referrer URI associated with the originatingURI. */ 14225 final Uri referrer; 14226 14227 /** UID of the application that the install request originated from. */ 14228 final int originatingUid; 14229 14230 /** UID of application requesting the install */ 14231 final int installerUid; 14232 14233 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 14234 this.originatingUri = originatingUri; 14235 this.referrer = referrer; 14236 this.originatingUid = originatingUid; 14237 this.installerUid = installerUid; 14238 } 14239 } 14240 14241 class InstallParams extends HandlerParams { 14242 final OriginInfo origin; 14243 final MoveInfo move; 14244 final IPackageInstallObserver2 observer; 14245 int installFlags; 14246 final String installerPackageName; 14247 final String volumeUuid; 14248 private InstallArgs mArgs; 14249 private int mRet; 14250 final String packageAbiOverride; 14251 final String[] grantedRuntimePermissions; 14252 final VerificationInfo verificationInfo; 14253 final Certificate[][] certificates; 14254 final int installReason; 14255 14256 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14257 int installFlags, String installerPackageName, String volumeUuid, 14258 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 14259 String[] grantedPermissions, Certificate[][] certificates, int installReason) { 14260 super(user); 14261 this.origin = origin; 14262 this.move = move; 14263 this.observer = observer; 14264 this.installFlags = installFlags; 14265 this.installerPackageName = installerPackageName; 14266 this.volumeUuid = volumeUuid; 14267 this.verificationInfo = verificationInfo; 14268 this.packageAbiOverride = packageAbiOverride; 14269 this.grantedRuntimePermissions = grantedPermissions; 14270 this.certificates = certificates; 14271 this.installReason = installReason; 14272 } 14273 14274 @Override 14275 public String toString() { 14276 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 14277 + " file=" + origin.file + " cid=" + origin.cid + "}"; 14278 } 14279 14280 private int installLocationPolicy(PackageInfoLite pkgLite) { 14281 String packageName = pkgLite.packageName; 14282 int installLocation = pkgLite.installLocation; 14283 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14284 // reader 14285 synchronized (mPackages) { 14286 // Currently installed package which the new package is attempting to replace or 14287 // null if no such package is installed. 14288 PackageParser.Package installedPkg = mPackages.get(packageName); 14289 // Package which currently owns the data which the new package will own if installed. 14290 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 14291 // will be null whereas dataOwnerPkg will contain information about the package 14292 // which was uninstalled while keeping its data. 14293 PackageParser.Package dataOwnerPkg = installedPkg; 14294 if (dataOwnerPkg == null) { 14295 PackageSetting ps = mSettings.mPackages.get(packageName); 14296 if (ps != null) { 14297 dataOwnerPkg = ps.pkg; 14298 } 14299 } 14300 14301 if (dataOwnerPkg != null) { 14302 // If installed, the package will get access to data left on the device by its 14303 // predecessor. As a security measure, this is permited only if this is not a 14304 // version downgrade or if the predecessor package is marked as debuggable and 14305 // a downgrade is explicitly requested. 14306 // 14307 // On debuggable platform builds, downgrades are permitted even for 14308 // non-debuggable packages to make testing easier. Debuggable platform builds do 14309 // not offer security guarantees and thus it's OK to disable some security 14310 // mechanisms to make debugging/testing easier on those builds. However, even on 14311 // debuggable builds downgrades of packages are permitted only if requested via 14312 // installFlags. This is because we aim to keep the behavior of debuggable 14313 // platform builds as close as possible to the behavior of non-debuggable 14314 // platform builds. 14315 final boolean downgradeRequested = 14316 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 14317 final boolean packageDebuggable = 14318 (dataOwnerPkg.applicationInfo.flags 14319 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 14320 final boolean downgradePermitted = 14321 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 14322 if (!downgradePermitted) { 14323 try { 14324 checkDowngrade(dataOwnerPkg, pkgLite); 14325 } catch (PackageManagerException e) { 14326 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 14327 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 14328 } 14329 } 14330 } 14331 14332 if (installedPkg != null) { 14333 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14334 // Check for updated system application. 14335 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 14336 if (onSd) { 14337 Slog.w(TAG, "Cannot install update to system app on sdcard"); 14338 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 14339 } 14340 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14341 } else { 14342 if (onSd) { 14343 // Install flag overrides everything. 14344 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14345 } 14346 // If current upgrade specifies particular preference 14347 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 14348 // Application explicitly specified internal. 14349 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14350 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 14351 // App explictly prefers external. Let policy decide 14352 } else { 14353 // Prefer previous location 14354 if (isExternal(installedPkg)) { 14355 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14356 } 14357 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14358 } 14359 } 14360 } else { 14361 // Invalid install. Return error code 14362 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 14363 } 14364 } 14365 } 14366 // All the special cases have been taken care of. 14367 // Return result based on recommended install location. 14368 if (onSd) { 14369 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14370 } 14371 return pkgLite.recommendedInstallLocation; 14372 } 14373 14374 /* 14375 * Invoke remote method to get package information and install 14376 * location values. Override install location based on default 14377 * policy if needed and then create install arguments based 14378 * on the install location. 14379 */ 14380 public void handleStartCopy() throws RemoteException { 14381 int ret = PackageManager.INSTALL_SUCCEEDED; 14382 14383 // If we're already staged, we've firmly committed to an install location 14384 if (origin.staged) { 14385 if (origin.file != null) { 14386 installFlags |= PackageManager.INSTALL_INTERNAL; 14387 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14388 } else if (origin.cid != null) { 14389 installFlags |= PackageManager.INSTALL_EXTERNAL; 14390 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14391 } else { 14392 throw new IllegalStateException("Invalid stage location"); 14393 } 14394 } 14395 14396 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14397 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 14398 final boolean ephemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14399 PackageInfoLite pkgLite = null; 14400 14401 if (onInt && onSd) { 14402 // Check if both bits are set. 14403 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 14404 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14405 } else if (onSd && ephemeral) { 14406 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 14407 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14408 } else { 14409 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 14410 packageAbiOverride); 14411 14412 if (DEBUG_EPHEMERAL && ephemeral) { 14413 Slog.v(TAG, "pkgLite for install: " + pkgLite); 14414 } 14415 14416 /* 14417 * If we have too little free space, try to free cache 14418 * before giving up. 14419 */ 14420 if (!origin.staged && pkgLite.recommendedInstallLocation 14421 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14422 // TODO: focus freeing disk space on the target device 14423 final StorageManager storage = StorageManager.from(mContext); 14424 final long lowThreshold = storage.getStorageLowBytes( 14425 Environment.getDataDirectory()); 14426 14427 final long sizeBytes = mContainerService.calculateInstalledSize( 14428 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 14429 14430 try { 14431 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0); 14432 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 14433 installFlags, packageAbiOverride); 14434 } catch (InstallerException e) { 14435 Slog.w(TAG, "Failed to free cache", e); 14436 } 14437 14438 /* 14439 * The cache free must have deleted the file we 14440 * downloaded to install. 14441 * 14442 * TODO: fix the "freeCache" call to not delete 14443 * the file we care about. 14444 */ 14445 if (pkgLite.recommendedInstallLocation 14446 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14447 pkgLite.recommendedInstallLocation 14448 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 14449 } 14450 } 14451 } 14452 14453 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14454 int loc = pkgLite.recommendedInstallLocation; 14455 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 14456 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14457 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 14458 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 14459 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14460 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14461 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 14462 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 14463 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14464 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 14465 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 14466 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 14467 } else { 14468 // Override with defaults if needed. 14469 loc = installLocationPolicy(pkgLite); 14470 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 14471 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 14472 } else if (!onSd && !onInt) { 14473 // Override install location with flags 14474 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 14475 // Set the flag to install on external media. 14476 installFlags |= PackageManager.INSTALL_EXTERNAL; 14477 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14478 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 14479 if (DEBUG_EPHEMERAL) { 14480 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 14481 } 14482 installFlags |= PackageManager.INSTALL_INSTANT_APP; 14483 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 14484 |PackageManager.INSTALL_INTERNAL); 14485 } else { 14486 // Make sure the flag for installing on external 14487 // media is unset 14488 installFlags |= PackageManager.INSTALL_INTERNAL; 14489 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14490 } 14491 } 14492 } 14493 } 14494 14495 final InstallArgs args = createInstallArgs(this); 14496 mArgs = args; 14497 14498 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14499 // TODO: http://b/22976637 14500 // Apps installed for "all" users use the device owner to verify the app 14501 UserHandle verifierUser = getUser(); 14502 if (verifierUser == UserHandle.ALL) { 14503 verifierUser = UserHandle.SYSTEM; 14504 } 14505 14506 /* 14507 * Determine if we have any installed package verifiers. If we 14508 * do, then we'll defer to them to verify the packages. 14509 */ 14510 final int requiredUid = mRequiredVerifierPackage == null ? -1 14511 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 14512 verifierUser.getIdentifier()); 14513 if (!origin.existing && requiredUid != -1 14514 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 14515 final Intent verification = new Intent( 14516 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 14517 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 14518 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 14519 PACKAGE_MIME_TYPE); 14520 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14521 14522 // Query all live verifiers based on current user state 14523 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 14524 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 14525 14526 if (DEBUG_VERIFY) { 14527 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 14528 + verification.toString() + " with " + pkgLite.verifiers.length 14529 + " optional verifiers"); 14530 } 14531 14532 final int verificationId = mPendingVerificationToken++; 14533 14534 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14535 14536 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 14537 installerPackageName); 14538 14539 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 14540 installFlags); 14541 14542 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 14543 pkgLite.packageName); 14544 14545 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 14546 pkgLite.versionCode); 14547 14548 if (verificationInfo != null) { 14549 if (verificationInfo.originatingUri != null) { 14550 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 14551 verificationInfo.originatingUri); 14552 } 14553 if (verificationInfo.referrer != null) { 14554 verification.putExtra(Intent.EXTRA_REFERRER, 14555 verificationInfo.referrer); 14556 } 14557 if (verificationInfo.originatingUid >= 0) { 14558 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 14559 verificationInfo.originatingUid); 14560 } 14561 if (verificationInfo.installerUid >= 0) { 14562 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 14563 verificationInfo.installerUid); 14564 } 14565 } 14566 14567 final PackageVerificationState verificationState = new PackageVerificationState( 14568 requiredUid, args); 14569 14570 mPendingVerification.append(verificationId, verificationState); 14571 14572 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 14573 receivers, verificationState); 14574 14575 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 14576 final long idleDuration = getVerificationTimeout(); 14577 14578 /* 14579 * If any sufficient verifiers were listed in the package 14580 * manifest, attempt to ask them. 14581 */ 14582 if (sufficientVerifiers != null) { 14583 final int N = sufficientVerifiers.size(); 14584 if (N == 0) { 14585 Slog.i(TAG, "Additional verifiers required, but none installed."); 14586 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 14587 } else { 14588 for (int i = 0; i < N; i++) { 14589 final ComponentName verifierComponent = sufficientVerifiers.get(i); 14590 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14591 verifierComponent.getPackageName(), idleDuration, 14592 verifierUser.getIdentifier(), false, "package verifier"); 14593 14594 final Intent sufficientIntent = new Intent(verification); 14595 sufficientIntent.setComponent(verifierComponent); 14596 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 14597 } 14598 } 14599 } 14600 14601 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 14602 mRequiredVerifierPackage, receivers); 14603 if (ret == PackageManager.INSTALL_SUCCEEDED 14604 && mRequiredVerifierPackage != null) { 14605 Trace.asyncTraceBegin( 14606 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 14607 /* 14608 * Send the intent to the required verification agent, 14609 * but only start the verification timeout after the 14610 * target BroadcastReceivers have run. 14611 */ 14612 verification.setComponent(requiredVerifierComponent); 14613 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14614 mRequiredVerifierPackage, idleDuration, 14615 verifierUser.getIdentifier(), false, "package verifier"); 14616 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 14617 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14618 new BroadcastReceiver() { 14619 @Override 14620 public void onReceive(Context context, Intent intent) { 14621 final Message msg = mHandler 14622 .obtainMessage(CHECK_PENDING_VERIFICATION); 14623 msg.arg1 = verificationId; 14624 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 14625 } 14626 }, null, 0, null, null); 14627 14628 /* 14629 * We don't want the copy to proceed until verification 14630 * succeeds, so null out this field. 14631 */ 14632 mArgs = null; 14633 } 14634 } else { 14635 /* 14636 * No package verification is enabled, so immediately start 14637 * the remote call to initiate copy using temporary file. 14638 */ 14639 ret = args.copyApk(mContainerService, true); 14640 } 14641 } 14642 14643 mRet = ret; 14644 } 14645 14646 @Override 14647 void handleReturnCode() { 14648 // If mArgs is null, then MCS couldn't be reached. When it 14649 // reconnects, it will try again to install. At that point, this 14650 // will succeed. 14651 if (mArgs != null) { 14652 processPendingInstall(mArgs, mRet); 14653 } 14654 } 14655 14656 @Override 14657 void handleServiceError() { 14658 mArgs = createInstallArgs(this); 14659 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14660 } 14661 14662 public boolean isForwardLocked() { 14663 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14664 } 14665 } 14666 14667 /** 14668 * Used during creation of InstallArgs 14669 * 14670 * @param installFlags package installation flags 14671 * @return true if should be installed on external storage 14672 */ 14673 private static boolean installOnExternalAsec(int installFlags) { 14674 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 14675 return false; 14676 } 14677 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 14678 return true; 14679 } 14680 return false; 14681 } 14682 14683 /** 14684 * Used during creation of InstallArgs 14685 * 14686 * @param installFlags package installation flags 14687 * @return true if should be installed as forward locked 14688 */ 14689 private static boolean installForwardLocked(int installFlags) { 14690 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14691 } 14692 14693 private InstallArgs createInstallArgs(InstallParams params) { 14694 if (params.move != null) { 14695 return new MoveInstallArgs(params); 14696 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 14697 return new AsecInstallArgs(params); 14698 } else { 14699 return new FileInstallArgs(params); 14700 } 14701 } 14702 14703 /** 14704 * Create args that describe an existing installed package. Typically used 14705 * when cleaning up old installs, or used as a move source. 14706 */ 14707 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 14708 String resourcePath, String[] instructionSets) { 14709 final boolean isInAsec; 14710 if (installOnExternalAsec(installFlags)) { 14711 /* Apps on SD card are always in ASEC containers. */ 14712 isInAsec = true; 14713 } else if (installForwardLocked(installFlags) 14714 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 14715 /* 14716 * Forward-locked apps are only in ASEC containers if they're the 14717 * new style 14718 */ 14719 isInAsec = true; 14720 } else { 14721 isInAsec = false; 14722 } 14723 14724 if (isInAsec) { 14725 return new AsecInstallArgs(codePath, instructionSets, 14726 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 14727 } else { 14728 return new FileInstallArgs(codePath, resourcePath, instructionSets); 14729 } 14730 } 14731 14732 static abstract class InstallArgs { 14733 /** @see InstallParams#origin */ 14734 final OriginInfo origin; 14735 /** @see InstallParams#move */ 14736 final MoveInfo move; 14737 14738 final IPackageInstallObserver2 observer; 14739 // Always refers to PackageManager flags only 14740 final int installFlags; 14741 final String installerPackageName; 14742 final String volumeUuid; 14743 final UserHandle user; 14744 final String abiOverride; 14745 final String[] installGrantPermissions; 14746 /** If non-null, drop an async trace when the install completes */ 14747 final String traceMethod; 14748 final int traceCookie; 14749 final Certificate[][] certificates; 14750 final int installReason; 14751 14752 // The list of instruction sets supported by this app. This is currently 14753 // only used during the rmdex() phase to clean up resources. We can get rid of this 14754 // if we move dex files under the common app path. 14755 /* nullable */ String[] instructionSets; 14756 14757 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14758 int installFlags, String installerPackageName, String volumeUuid, 14759 UserHandle user, String[] instructionSets, 14760 String abiOverride, String[] installGrantPermissions, 14761 String traceMethod, int traceCookie, Certificate[][] certificates, 14762 int installReason) { 14763 this.origin = origin; 14764 this.move = move; 14765 this.installFlags = installFlags; 14766 this.observer = observer; 14767 this.installerPackageName = installerPackageName; 14768 this.volumeUuid = volumeUuid; 14769 this.user = user; 14770 this.instructionSets = instructionSets; 14771 this.abiOverride = abiOverride; 14772 this.installGrantPermissions = installGrantPermissions; 14773 this.traceMethod = traceMethod; 14774 this.traceCookie = traceCookie; 14775 this.certificates = certificates; 14776 this.installReason = installReason; 14777 } 14778 14779 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 14780 abstract int doPreInstall(int status); 14781 14782 /** 14783 * Rename package into final resting place. All paths on the given 14784 * scanned package should be updated to reflect the rename. 14785 */ 14786 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 14787 abstract int doPostInstall(int status, int uid); 14788 14789 /** @see PackageSettingBase#codePathString */ 14790 abstract String getCodePath(); 14791 /** @see PackageSettingBase#resourcePathString */ 14792 abstract String getResourcePath(); 14793 14794 // Need installer lock especially for dex file removal. 14795 abstract void cleanUpResourcesLI(); 14796 abstract boolean doPostDeleteLI(boolean delete); 14797 14798 /** 14799 * Called before the source arguments are copied. This is used mostly 14800 * for MoveParams when it needs to read the source file to put it in the 14801 * destination. 14802 */ 14803 int doPreCopy() { 14804 return PackageManager.INSTALL_SUCCEEDED; 14805 } 14806 14807 /** 14808 * Called after the source arguments are copied. This is used mostly for 14809 * MoveParams when it needs to read the source file to put it in the 14810 * destination. 14811 */ 14812 int doPostCopy(int uid) { 14813 return PackageManager.INSTALL_SUCCEEDED; 14814 } 14815 14816 protected boolean isFwdLocked() { 14817 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14818 } 14819 14820 protected boolean isExternalAsec() { 14821 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14822 } 14823 14824 protected boolean isEphemeral() { 14825 return (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14826 } 14827 14828 UserHandle getUser() { 14829 return user; 14830 } 14831 } 14832 14833 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 14834 if (!allCodePaths.isEmpty()) { 14835 if (instructionSets == null) { 14836 throw new IllegalStateException("instructionSet == null"); 14837 } 14838 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 14839 for (String codePath : allCodePaths) { 14840 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 14841 try { 14842 mInstaller.rmdex(codePath, dexCodeInstructionSet); 14843 } catch (InstallerException ignored) { 14844 } 14845 } 14846 } 14847 } 14848 } 14849 14850 /** 14851 * Logic to handle installation of non-ASEC applications, including copying 14852 * and renaming logic. 14853 */ 14854 class FileInstallArgs extends InstallArgs { 14855 private File codeFile; 14856 private File resourceFile; 14857 14858 // Example topology: 14859 // /data/app/com.example/base.apk 14860 // /data/app/com.example/split_foo.apk 14861 // /data/app/com.example/lib/arm/libfoo.so 14862 // /data/app/com.example/lib/arm64/libfoo.so 14863 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 14864 14865 /** New install */ 14866 FileInstallArgs(InstallParams params) { 14867 super(params.origin, params.move, params.observer, params.installFlags, 14868 params.installerPackageName, params.volumeUuid, 14869 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 14870 params.grantedRuntimePermissions, 14871 params.traceMethod, params.traceCookie, params.certificates, 14872 params.installReason); 14873 if (isFwdLocked()) { 14874 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 14875 } 14876 } 14877 14878 /** Existing install */ 14879 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 14880 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 14881 null, null, null, 0, null /*certificates*/, 14882 PackageManager.INSTALL_REASON_UNKNOWN); 14883 this.codeFile = (codePath != null) ? new File(codePath) : null; 14884 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 14885 } 14886 14887 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14888 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 14889 try { 14890 return doCopyApk(imcs, temp); 14891 } finally { 14892 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14893 } 14894 } 14895 14896 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14897 if (origin.staged) { 14898 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 14899 codeFile = origin.file; 14900 resourceFile = origin.file; 14901 return PackageManager.INSTALL_SUCCEEDED; 14902 } 14903 14904 try { 14905 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14906 final File tempDir = 14907 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 14908 codeFile = tempDir; 14909 resourceFile = tempDir; 14910 } catch (IOException e) { 14911 Slog.w(TAG, "Failed to create copy file: " + e); 14912 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14913 } 14914 14915 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 14916 @Override 14917 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 14918 if (!FileUtils.isValidExtFilename(name)) { 14919 throw new IllegalArgumentException("Invalid filename: " + name); 14920 } 14921 try { 14922 final File file = new File(codeFile, name); 14923 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 14924 O_RDWR | O_CREAT, 0644); 14925 Os.chmod(file.getAbsolutePath(), 0644); 14926 return new ParcelFileDescriptor(fd); 14927 } catch (ErrnoException e) { 14928 throw new RemoteException("Failed to open: " + e.getMessage()); 14929 } 14930 } 14931 }; 14932 14933 int ret = PackageManager.INSTALL_SUCCEEDED; 14934 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 14935 if (ret != PackageManager.INSTALL_SUCCEEDED) { 14936 Slog.e(TAG, "Failed to copy package"); 14937 return ret; 14938 } 14939 14940 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 14941 NativeLibraryHelper.Handle handle = null; 14942 try { 14943 handle = NativeLibraryHelper.Handle.create(codeFile); 14944 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 14945 abiOverride); 14946 } catch (IOException e) { 14947 Slog.e(TAG, "Copying native libraries failed", e); 14948 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14949 } finally { 14950 IoUtils.closeQuietly(handle); 14951 } 14952 14953 return ret; 14954 } 14955 14956 int doPreInstall(int status) { 14957 if (status != PackageManager.INSTALL_SUCCEEDED) { 14958 cleanUp(); 14959 } 14960 return status; 14961 } 14962 14963 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14964 if (status != PackageManager.INSTALL_SUCCEEDED) { 14965 cleanUp(); 14966 return false; 14967 } 14968 14969 final File targetDir = codeFile.getParentFile(); 14970 final File beforeCodeFile = codeFile; 14971 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 14972 14973 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 14974 try { 14975 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 14976 } catch (ErrnoException e) { 14977 Slog.w(TAG, "Failed to rename", e); 14978 return false; 14979 } 14980 14981 if (!SELinux.restoreconRecursive(afterCodeFile)) { 14982 Slog.w(TAG, "Failed to restorecon"); 14983 return false; 14984 } 14985 14986 // Reflect the rename internally 14987 codeFile = afterCodeFile; 14988 resourceFile = afterCodeFile; 14989 14990 // Reflect the rename in scanned details 14991 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 14992 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 14993 afterCodeFile, pkg.baseCodePath)); 14994 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 14995 afterCodeFile, pkg.splitCodePaths)); 14996 14997 // Reflect the rename in app info 14998 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14999 pkg.setApplicationInfoCodePath(pkg.codePath); 15000 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15001 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15002 pkg.setApplicationInfoResourcePath(pkg.codePath); 15003 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15004 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15005 15006 return true; 15007 } 15008 15009 int doPostInstall(int status, int uid) { 15010 if (status != PackageManager.INSTALL_SUCCEEDED) { 15011 cleanUp(); 15012 } 15013 return status; 15014 } 15015 15016 @Override 15017 String getCodePath() { 15018 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15019 } 15020 15021 @Override 15022 String getResourcePath() { 15023 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15024 } 15025 15026 private boolean cleanUp() { 15027 if (codeFile == null || !codeFile.exists()) { 15028 return false; 15029 } 15030 15031 removeCodePathLI(codeFile); 15032 15033 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 15034 resourceFile.delete(); 15035 } 15036 15037 return true; 15038 } 15039 15040 void cleanUpResourcesLI() { 15041 // Try enumerating all code paths before deleting 15042 List<String> allCodePaths = Collections.EMPTY_LIST; 15043 if (codeFile != null && codeFile.exists()) { 15044 try { 15045 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15046 allCodePaths = pkg.getAllCodePaths(); 15047 } catch (PackageParserException e) { 15048 // Ignored; we tried our best 15049 } 15050 } 15051 15052 cleanUp(); 15053 removeDexFiles(allCodePaths, instructionSets); 15054 } 15055 15056 boolean doPostDeleteLI(boolean delete) { 15057 // XXX err, shouldn't we respect the delete flag? 15058 cleanUpResourcesLI(); 15059 return true; 15060 } 15061 } 15062 15063 private boolean isAsecExternal(String cid) { 15064 final String asecPath = PackageHelper.getSdFilesystem(cid); 15065 return !asecPath.startsWith(mAsecInternalPath); 15066 } 15067 15068 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 15069 PackageManagerException { 15070 if (copyRet < 0) { 15071 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 15072 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 15073 throw new PackageManagerException(copyRet, message); 15074 } 15075 } 15076 } 15077 15078 /** 15079 * Extract the StorageManagerService "container ID" from the full code path of an 15080 * .apk. 15081 */ 15082 static String cidFromCodePath(String fullCodePath) { 15083 int eidx = fullCodePath.lastIndexOf("/"); 15084 String subStr1 = fullCodePath.substring(0, eidx); 15085 int sidx = subStr1.lastIndexOf("/"); 15086 return subStr1.substring(sidx+1, eidx); 15087 } 15088 15089 /** 15090 * Logic to handle installation of ASEC applications, including copying and 15091 * renaming logic. 15092 */ 15093 class AsecInstallArgs extends InstallArgs { 15094 static final String RES_FILE_NAME = "pkg.apk"; 15095 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 15096 15097 String cid; 15098 String packagePath; 15099 String resourcePath; 15100 15101 /** New install */ 15102 AsecInstallArgs(InstallParams params) { 15103 super(params.origin, params.move, params.observer, params.installFlags, 15104 params.installerPackageName, params.volumeUuid, 15105 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15106 params.grantedRuntimePermissions, 15107 params.traceMethod, params.traceCookie, params.certificates, 15108 params.installReason); 15109 } 15110 15111 /** Existing install */ 15112 AsecInstallArgs(String fullCodePath, String[] instructionSets, 15113 boolean isExternal, boolean isForwardLocked) { 15114 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 15115 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15116 instructionSets, null, null, null, 0, null /*certificates*/, 15117 PackageManager.INSTALL_REASON_UNKNOWN); 15118 // Hackily pretend we're still looking at a full code path 15119 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 15120 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 15121 } 15122 15123 // Extract cid from fullCodePath 15124 int eidx = fullCodePath.lastIndexOf("/"); 15125 String subStr1 = fullCodePath.substring(0, eidx); 15126 int sidx = subStr1.lastIndexOf("/"); 15127 cid = subStr1.substring(sidx+1, eidx); 15128 setMountPath(subStr1); 15129 } 15130 15131 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 15132 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 15133 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15134 instructionSets, null, null, null, 0, null /*certificates*/, 15135 PackageManager.INSTALL_REASON_UNKNOWN); 15136 this.cid = cid; 15137 setMountPath(PackageHelper.getSdDir(cid)); 15138 } 15139 15140 void createCopyFile() { 15141 cid = mInstallerService.allocateExternalStageCidLegacy(); 15142 } 15143 15144 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15145 if (origin.staged && origin.cid != null) { 15146 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 15147 cid = origin.cid; 15148 setMountPath(PackageHelper.getSdDir(cid)); 15149 return PackageManager.INSTALL_SUCCEEDED; 15150 } 15151 15152 if (temp) { 15153 createCopyFile(); 15154 } else { 15155 /* 15156 * Pre-emptively destroy the container since it's destroyed if 15157 * copying fails due to it existing anyway. 15158 */ 15159 PackageHelper.destroySdDir(cid); 15160 } 15161 15162 final String newMountPath = imcs.copyPackageToContainer( 15163 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 15164 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 15165 15166 if (newMountPath != null) { 15167 setMountPath(newMountPath); 15168 return PackageManager.INSTALL_SUCCEEDED; 15169 } else { 15170 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15171 } 15172 } 15173 15174 @Override 15175 String getCodePath() { 15176 return packagePath; 15177 } 15178 15179 @Override 15180 String getResourcePath() { 15181 return resourcePath; 15182 } 15183 15184 int doPreInstall(int status) { 15185 if (status != PackageManager.INSTALL_SUCCEEDED) { 15186 // Destroy container 15187 PackageHelper.destroySdDir(cid); 15188 } else { 15189 boolean mounted = PackageHelper.isContainerMounted(cid); 15190 if (!mounted) { 15191 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 15192 Process.SYSTEM_UID); 15193 if (newMountPath != null) { 15194 setMountPath(newMountPath); 15195 } else { 15196 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15197 } 15198 } 15199 } 15200 return status; 15201 } 15202 15203 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15204 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 15205 String newMountPath = null; 15206 if (PackageHelper.isContainerMounted(cid)) { 15207 // Unmount the container 15208 if (!PackageHelper.unMountSdDir(cid)) { 15209 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 15210 return false; 15211 } 15212 } 15213 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15214 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 15215 " which might be stale. Will try to clean up."); 15216 // Clean up the stale container and proceed to recreate. 15217 if (!PackageHelper.destroySdDir(newCacheId)) { 15218 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 15219 return false; 15220 } 15221 // Successfully cleaned up stale container. Try to rename again. 15222 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15223 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 15224 + " inspite of cleaning it up."); 15225 return false; 15226 } 15227 } 15228 if (!PackageHelper.isContainerMounted(newCacheId)) { 15229 Slog.w(TAG, "Mounting container " + newCacheId); 15230 newMountPath = PackageHelper.mountSdDir(newCacheId, 15231 getEncryptKey(), Process.SYSTEM_UID); 15232 } else { 15233 newMountPath = PackageHelper.getSdDir(newCacheId); 15234 } 15235 if (newMountPath == null) { 15236 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 15237 return false; 15238 } 15239 Log.i(TAG, "Succesfully renamed " + cid + 15240 " to " + newCacheId + 15241 " at new path: " + newMountPath); 15242 cid = newCacheId; 15243 15244 final File beforeCodeFile = new File(packagePath); 15245 setMountPath(newMountPath); 15246 final File afterCodeFile = new File(packagePath); 15247 15248 // Reflect the rename in scanned details 15249 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15250 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15251 afterCodeFile, pkg.baseCodePath)); 15252 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15253 afterCodeFile, pkg.splitCodePaths)); 15254 15255 // Reflect the rename in app info 15256 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15257 pkg.setApplicationInfoCodePath(pkg.codePath); 15258 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15259 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15260 pkg.setApplicationInfoResourcePath(pkg.codePath); 15261 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15262 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15263 15264 return true; 15265 } 15266 15267 private void setMountPath(String mountPath) { 15268 final File mountFile = new File(mountPath); 15269 15270 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 15271 if (monolithicFile.exists()) { 15272 packagePath = monolithicFile.getAbsolutePath(); 15273 if (isFwdLocked()) { 15274 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 15275 } else { 15276 resourcePath = packagePath; 15277 } 15278 } else { 15279 packagePath = mountFile.getAbsolutePath(); 15280 resourcePath = packagePath; 15281 } 15282 } 15283 15284 int doPostInstall(int status, int uid) { 15285 if (status != PackageManager.INSTALL_SUCCEEDED) { 15286 cleanUp(); 15287 } else { 15288 final int groupOwner; 15289 final String protectedFile; 15290 if (isFwdLocked()) { 15291 groupOwner = UserHandle.getSharedAppGid(uid); 15292 protectedFile = RES_FILE_NAME; 15293 } else { 15294 groupOwner = -1; 15295 protectedFile = null; 15296 } 15297 15298 if (uid < Process.FIRST_APPLICATION_UID 15299 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 15300 Slog.e(TAG, "Failed to finalize " + cid); 15301 PackageHelper.destroySdDir(cid); 15302 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15303 } 15304 15305 boolean mounted = PackageHelper.isContainerMounted(cid); 15306 if (!mounted) { 15307 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 15308 } 15309 } 15310 return status; 15311 } 15312 15313 private void cleanUp() { 15314 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 15315 15316 // Destroy secure container 15317 PackageHelper.destroySdDir(cid); 15318 } 15319 15320 private List<String> getAllCodePaths() { 15321 final File codeFile = new File(getCodePath()); 15322 if (codeFile != null && codeFile.exists()) { 15323 try { 15324 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15325 return pkg.getAllCodePaths(); 15326 } catch (PackageParserException e) { 15327 // Ignored; we tried our best 15328 } 15329 } 15330 return Collections.EMPTY_LIST; 15331 } 15332 15333 void cleanUpResourcesLI() { 15334 // Enumerate all code paths before deleting 15335 cleanUpResourcesLI(getAllCodePaths()); 15336 } 15337 15338 private void cleanUpResourcesLI(List<String> allCodePaths) { 15339 cleanUp(); 15340 removeDexFiles(allCodePaths, instructionSets); 15341 } 15342 15343 String getPackageName() { 15344 return getAsecPackageName(cid); 15345 } 15346 15347 boolean doPostDeleteLI(boolean delete) { 15348 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 15349 final List<String> allCodePaths = getAllCodePaths(); 15350 boolean mounted = PackageHelper.isContainerMounted(cid); 15351 if (mounted) { 15352 // Unmount first 15353 if (PackageHelper.unMountSdDir(cid)) { 15354 mounted = false; 15355 } 15356 } 15357 if (!mounted && delete) { 15358 cleanUpResourcesLI(allCodePaths); 15359 } 15360 return !mounted; 15361 } 15362 15363 @Override 15364 int doPreCopy() { 15365 if (isFwdLocked()) { 15366 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 15367 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 15368 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15369 } 15370 } 15371 15372 return PackageManager.INSTALL_SUCCEEDED; 15373 } 15374 15375 @Override 15376 int doPostCopy(int uid) { 15377 if (isFwdLocked()) { 15378 if (uid < Process.FIRST_APPLICATION_UID 15379 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 15380 RES_FILE_NAME)) { 15381 Slog.e(TAG, "Failed to finalize " + cid); 15382 PackageHelper.destroySdDir(cid); 15383 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15384 } 15385 } 15386 15387 return PackageManager.INSTALL_SUCCEEDED; 15388 } 15389 } 15390 15391 /** 15392 * Logic to handle movement of existing installed applications. 15393 */ 15394 class MoveInstallArgs extends InstallArgs { 15395 private File codeFile; 15396 private File resourceFile; 15397 15398 /** New install */ 15399 MoveInstallArgs(InstallParams params) { 15400 super(params.origin, params.move, params.observer, params.installFlags, 15401 params.installerPackageName, params.volumeUuid, 15402 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15403 params.grantedRuntimePermissions, 15404 params.traceMethod, params.traceCookie, params.certificates, 15405 params.installReason); 15406 } 15407 15408 int copyApk(IMediaContainerService imcs, boolean temp) { 15409 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 15410 + move.fromUuid + " to " + move.toUuid); 15411 synchronized (mInstaller) { 15412 try { 15413 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 15414 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 15415 } catch (InstallerException e) { 15416 Slog.w(TAG, "Failed to move app", e); 15417 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15418 } 15419 } 15420 15421 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 15422 resourceFile = codeFile; 15423 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 15424 15425 return PackageManager.INSTALL_SUCCEEDED; 15426 } 15427 15428 int doPreInstall(int status) { 15429 if (status != PackageManager.INSTALL_SUCCEEDED) { 15430 cleanUp(move.toUuid); 15431 } 15432 return status; 15433 } 15434 15435 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15436 if (status != PackageManager.INSTALL_SUCCEEDED) { 15437 cleanUp(move.toUuid); 15438 return false; 15439 } 15440 15441 // Reflect the move in app info 15442 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15443 pkg.setApplicationInfoCodePath(pkg.codePath); 15444 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15445 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15446 pkg.setApplicationInfoResourcePath(pkg.codePath); 15447 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15448 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15449 15450 return true; 15451 } 15452 15453 int doPostInstall(int status, int uid) { 15454 if (status == PackageManager.INSTALL_SUCCEEDED) { 15455 cleanUp(move.fromUuid); 15456 } else { 15457 cleanUp(move.toUuid); 15458 } 15459 return status; 15460 } 15461 15462 @Override 15463 String getCodePath() { 15464 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15465 } 15466 15467 @Override 15468 String getResourcePath() { 15469 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15470 } 15471 15472 private boolean cleanUp(String volumeUuid) { 15473 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 15474 move.dataAppName); 15475 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 15476 final int[] userIds = sUserManager.getUserIds(); 15477 synchronized (mInstallLock) { 15478 // Clean up both app data and code 15479 // All package moves are frozen until finished 15480 for (int userId : userIds) { 15481 try { 15482 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 15483 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 15484 } catch (InstallerException e) { 15485 Slog.w(TAG, String.valueOf(e)); 15486 } 15487 } 15488 removeCodePathLI(codeFile); 15489 } 15490 return true; 15491 } 15492 15493 void cleanUpResourcesLI() { 15494 throw new UnsupportedOperationException(); 15495 } 15496 15497 boolean doPostDeleteLI(boolean delete) { 15498 throw new UnsupportedOperationException(); 15499 } 15500 } 15501 15502 static String getAsecPackageName(String packageCid) { 15503 int idx = packageCid.lastIndexOf("-"); 15504 if (idx == -1) { 15505 return packageCid; 15506 } 15507 return packageCid.substring(0, idx); 15508 } 15509 15510 // Utility method used to create code paths based on package name and available index. 15511 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 15512 String idxStr = ""; 15513 int idx = 1; 15514 // Fall back to default value of idx=1 if prefix is not 15515 // part of oldCodePath 15516 if (oldCodePath != null) { 15517 String subStr = oldCodePath; 15518 // Drop the suffix right away 15519 if (suffix != null && subStr.endsWith(suffix)) { 15520 subStr = subStr.substring(0, subStr.length() - suffix.length()); 15521 } 15522 // If oldCodePath already contains prefix find out the 15523 // ending index to either increment or decrement. 15524 int sidx = subStr.lastIndexOf(prefix); 15525 if (sidx != -1) { 15526 subStr = subStr.substring(sidx + prefix.length()); 15527 if (subStr != null) { 15528 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 15529 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 15530 } 15531 try { 15532 idx = Integer.parseInt(subStr); 15533 if (idx <= 1) { 15534 idx++; 15535 } else { 15536 idx--; 15537 } 15538 } catch(NumberFormatException e) { 15539 } 15540 } 15541 } 15542 } 15543 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 15544 return prefix + idxStr; 15545 } 15546 15547 private File getNextCodePath(File targetDir, String packageName) { 15548 File result; 15549 SecureRandom random = new SecureRandom(); 15550 byte[] bytes = new byte[16]; 15551 do { 15552 random.nextBytes(bytes); 15553 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 15554 result = new File(targetDir, packageName + "-" + suffix); 15555 } while (result.exists()); 15556 return result; 15557 } 15558 15559 // Utility method that returns the relative package path with respect 15560 // to the installation directory. Like say for /data/data/com.test-1.apk 15561 // string com.test-1 is returned. 15562 static String deriveCodePathName(String codePath) { 15563 if (codePath == null) { 15564 return null; 15565 } 15566 final File codeFile = new File(codePath); 15567 final String name = codeFile.getName(); 15568 if (codeFile.isDirectory()) { 15569 return name; 15570 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 15571 final int lastDot = name.lastIndexOf('.'); 15572 return name.substring(0, lastDot); 15573 } else { 15574 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 15575 return null; 15576 } 15577 } 15578 15579 static class PackageInstalledInfo { 15580 String name; 15581 int uid; 15582 // The set of users that originally had this package installed. 15583 int[] origUsers; 15584 // The set of users that now have this package installed. 15585 int[] newUsers; 15586 PackageParser.Package pkg; 15587 int returnCode; 15588 String returnMsg; 15589 PackageRemovedInfo removedInfo; 15590 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 15591 15592 public void setError(int code, String msg) { 15593 setReturnCode(code); 15594 setReturnMessage(msg); 15595 Slog.w(TAG, msg); 15596 } 15597 15598 public void setError(String msg, PackageParserException e) { 15599 setReturnCode(e.error); 15600 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15601 Slog.w(TAG, msg, e); 15602 } 15603 15604 public void setError(String msg, PackageManagerException e) { 15605 returnCode = e.error; 15606 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15607 Slog.w(TAG, msg, e); 15608 } 15609 15610 public void setReturnCode(int returnCode) { 15611 this.returnCode = returnCode; 15612 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15613 for (int i = 0; i < childCount; i++) { 15614 addedChildPackages.valueAt(i).returnCode = returnCode; 15615 } 15616 } 15617 15618 private void setReturnMessage(String returnMsg) { 15619 this.returnMsg = returnMsg; 15620 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15621 for (int i = 0; i < childCount; i++) { 15622 addedChildPackages.valueAt(i).returnMsg = returnMsg; 15623 } 15624 } 15625 15626 // In some error cases we want to convey more info back to the observer 15627 String origPackage; 15628 String origPermission; 15629 } 15630 15631 /* 15632 * Install a non-existing package. 15633 */ 15634 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 15635 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 15636 PackageInstalledInfo res, int installReason) { 15637 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 15638 15639 // Remember this for later, in case we need to rollback this install 15640 String pkgName = pkg.packageName; 15641 15642 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 15643 15644 synchronized(mPackages) { 15645 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 15646 if (renamedPackage != null) { 15647 // A package with the same name is already installed, though 15648 // it has been renamed to an older name. The package we 15649 // are trying to install should be installed as an update to 15650 // the existing one, but that has not been requested, so bail. 15651 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15652 + " without first uninstalling package running as " 15653 + renamedPackage); 15654 return; 15655 } 15656 if (mPackages.containsKey(pkgName)) { 15657 // Don't allow installation over an existing package with the same name. 15658 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15659 + " without first uninstalling."); 15660 return; 15661 } 15662 } 15663 15664 try { 15665 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 15666 System.currentTimeMillis(), user); 15667 15668 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 15669 15670 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15671 prepareAppDataAfterInstallLIF(newPackage); 15672 15673 } else { 15674 // Remove package from internal structures, but keep around any 15675 // data that might have already existed 15676 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 15677 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 15678 } 15679 } catch (PackageManagerException e) { 15680 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15681 } 15682 15683 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15684 } 15685 15686 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 15687 // Can't rotate keys during boot or if sharedUser. 15688 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 15689 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 15690 return false; 15691 } 15692 // app is using upgradeKeySets; make sure all are valid 15693 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15694 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 15695 for (int i = 0; i < upgradeKeySets.length; i++) { 15696 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 15697 Slog.wtf(TAG, "Package " 15698 + (oldPs.name != null ? oldPs.name : "<null>") 15699 + " contains upgrade-key-set reference to unknown key-set: " 15700 + upgradeKeySets[i] 15701 + " reverting to signatures check."); 15702 return false; 15703 } 15704 } 15705 return true; 15706 } 15707 15708 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 15709 // Upgrade keysets are being used. Determine if new package has a superset of the 15710 // required keys. 15711 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 15712 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15713 for (int i = 0; i < upgradeKeySets.length; i++) { 15714 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 15715 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 15716 return true; 15717 } 15718 } 15719 return false; 15720 } 15721 15722 private static void updateDigest(MessageDigest digest, File file) throws IOException { 15723 try (DigestInputStream digestStream = 15724 new DigestInputStream(new FileInputStream(file), digest)) { 15725 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 15726 } 15727 } 15728 15729 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 15730 UserHandle user, String installerPackageName, PackageInstalledInfo res, 15731 int installReason) { 15732 final boolean isInstantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 15733 15734 final PackageParser.Package oldPackage; 15735 final String pkgName = pkg.packageName; 15736 final int[] allUsers; 15737 final int[] installedUsers; 15738 15739 synchronized(mPackages) { 15740 oldPackage = mPackages.get(pkgName); 15741 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 15742 15743 // don't allow upgrade to target a release SDK from a pre-release SDK 15744 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 15745 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15746 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 15747 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15748 if (oldTargetsPreRelease 15749 && !newTargetsPreRelease 15750 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 15751 Slog.w(TAG, "Can't install package targeting released sdk"); 15752 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 15753 return; 15754 } 15755 15756 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15757 15758 // verify signatures are valid 15759 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15760 if (!checkUpgradeKeySetLP(ps, pkg)) { 15761 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15762 "New package not signed by keys specified by upgrade-keysets: " 15763 + pkgName); 15764 return; 15765 } 15766 } else { 15767 // default to original signature matching 15768 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 15769 != PackageManager.SIGNATURE_MATCH) { 15770 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15771 "New package has a different signature: " + pkgName); 15772 return; 15773 } 15774 } 15775 15776 // don't allow a system upgrade unless the upgrade hash matches 15777 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 15778 byte[] digestBytes = null; 15779 try { 15780 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 15781 updateDigest(digest, new File(pkg.baseCodePath)); 15782 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 15783 for (String path : pkg.splitCodePaths) { 15784 updateDigest(digest, new File(path)); 15785 } 15786 } 15787 digestBytes = digest.digest(); 15788 } catch (NoSuchAlgorithmException | IOException e) { 15789 res.setError(INSTALL_FAILED_INVALID_APK, 15790 "Could not compute hash: " + pkgName); 15791 return; 15792 } 15793 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 15794 res.setError(INSTALL_FAILED_INVALID_APK, 15795 "New package fails restrict-update check: " + pkgName); 15796 return; 15797 } 15798 // retain upgrade restriction 15799 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 15800 } 15801 15802 // Check for shared user id changes 15803 String invalidPackageName = 15804 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 15805 if (invalidPackageName != null) { 15806 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 15807 "Package " + invalidPackageName + " tried to change user " 15808 + oldPackage.mSharedUserId); 15809 return; 15810 } 15811 15812 // In case of rollback, remember per-user/profile install state 15813 allUsers = sUserManager.getUserIds(); 15814 installedUsers = ps.queryInstalledUsers(allUsers, true); 15815 15816 // don't allow an upgrade from full to ephemeral 15817 if (isInstantApp) { 15818 if (user == null || user.getIdentifier() == UserHandle.USER_ALL) { 15819 for (int currentUser : allUsers) { 15820 if (!ps.getInstantApp(currentUser)) { 15821 // can't downgrade from full to instant 15822 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 15823 + " for user: " + currentUser); 15824 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15825 return; 15826 } 15827 } 15828 } else if (!ps.getInstantApp(user.getIdentifier())) { 15829 // can't downgrade from full to instant 15830 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 15831 + " for user: " + user.getIdentifier()); 15832 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15833 return; 15834 } 15835 } 15836 } 15837 15838 // Update what is removed 15839 res.removedInfo = new PackageRemovedInfo(); 15840 res.removedInfo.uid = oldPackage.applicationInfo.uid; 15841 res.removedInfo.removedPackage = oldPackage.packageName; 15842 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 15843 res.removedInfo.isUpdate = true; 15844 res.removedInfo.origUsers = installedUsers; 15845 final PackageSetting ps = mSettings.getPackageLPr(pkgName); 15846 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 15847 for (int i = 0; i < installedUsers.length; i++) { 15848 final int userId = installedUsers[i]; 15849 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 15850 } 15851 15852 final int childCount = (oldPackage.childPackages != null) 15853 ? oldPackage.childPackages.size() : 0; 15854 for (int i = 0; i < childCount; i++) { 15855 boolean childPackageUpdated = false; 15856 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 15857 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15858 if (res.addedChildPackages != null) { 15859 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15860 if (childRes != null) { 15861 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 15862 childRes.removedInfo.removedPackage = childPkg.packageName; 15863 childRes.removedInfo.isUpdate = true; 15864 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 15865 childPackageUpdated = true; 15866 } 15867 } 15868 if (!childPackageUpdated) { 15869 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 15870 childRemovedRes.removedPackage = childPkg.packageName; 15871 childRemovedRes.isUpdate = false; 15872 childRemovedRes.dataRemoved = true; 15873 synchronized (mPackages) { 15874 if (childPs != null) { 15875 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 15876 } 15877 } 15878 if (res.removedInfo.removedChildPackages == null) { 15879 res.removedInfo.removedChildPackages = new ArrayMap<>(); 15880 } 15881 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 15882 } 15883 } 15884 15885 boolean sysPkg = (isSystemApp(oldPackage)); 15886 if (sysPkg) { 15887 // Set the system/privileged flags as needed 15888 final boolean privileged = 15889 (oldPackage.applicationInfo.privateFlags 15890 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15891 final int systemPolicyFlags = policyFlags 15892 | PackageParser.PARSE_IS_SYSTEM 15893 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 15894 15895 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 15896 user, allUsers, installerPackageName, res, installReason); 15897 } else { 15898 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 15899 user, allUsers, installerPackageName, res, installReason); 15900 } 15901 } 15902 15903 public List<String> getPreviousCodePaths(String packageName) { 15904 final PackageSetting ps = mSettings.mPackages.get(packageName); 15905 final List<String> result = new ArrayList<String>(); 15906 if (ps != null && ps.oldCodePaths != null) { 15907 result.addAll(ps.oldCodePaths); 15908 } 15909 return result; 15910 } 15911 15912 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 15913 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 15914 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 15915 int installReason) { 15916 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 15917 + deletedPackage); 15918 15919 String pkgName = deletedPackage.packageName; 15920 boolean deletedPkg = true; 15921 boolean addedPkg = false; 15922 boolean updatedSettings = false; 15923 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 15924 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 15925 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 15926 15927 final long origUpdateTime = (pkg.mExtras != null) 15928 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 15929 15930 // First delete the existing package while retaining the data directory 15931 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15932 res.removedInfo, true, pkg)) { 15933 // If the existing package wasn't successfully deleted 15934 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 15935 deletedPkg = false; 15936 } else { 15937 // Successfully deleted the old package; proceed with replace. 15938 15939 // If deleted package lived in a container, give users a chance to 15940 // relinquish resources before killing. 15941 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 15942 if (DEBUG_INSTALL) { 15943 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 15944 } 15945 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 15946 final ArrayList<String> pkgList = new ArrayList<String>(1); 15947 pkgList.add(deletedPackage.applicationInfo.packageName); 15948 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 15949 } 15950 15951 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 15952 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 15953 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 15954 15955 try { 15956 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 15957 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 15958 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 15959 installReason); 15960 15961 // Update the in-memory copy of the previous code paths. 15962 PackageSetting ps = mSettings.mPackages.get(pkgName); 15963 if (!killApp) { 15964 if (ps.oldCodePaths == null) { 15965 ps.oldCodePaths = new ArraySet<>(); 15966 } 15967 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 15968 if (deletedPackage.splitCodePaths != null) { 15969 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 15970 } 15971 } else { 15972 ps.oldCodePaths = null; 15973 } 15974 if (ps.childPackageNames != null) { 15975 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 15976 final String childPkgName = ps.childPackageNames.get(i); 15977 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 15978 childPs.oldCodePaths = ps.oldCodePaths; 15979 } 15980 } 15981 // set instant app status, but, only if it's explicitly specified 15982 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 15983 final boolean fullApp = (scanFlags & SCAN_AS_FULL_APP) != 0; 15984 setInstantAppForUser(ps, user.getIdentifier(), instantApp, fullApp); 15985 prepareAppDataAfterInstallLIF(newPackage); 15986 addedPkg = true; 15987 mDexManager.notifyPackageUpdated(newPackage.packageName, 15988 newPackage.baseCodePath, newPackage.splitCodePaths); 15989 } catch (PackageManagerException e) { 15990 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15991 } 15992 } 15993 15994 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 15995 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 15996 15997 // Revert all internal state mutations and added folders for the failed install 15998 if (addedPkg) { 15999 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16000 res.removedInfo, true, null); 16001 } 16002 16003 // Restore the old package 16004 if (deletedPkg) { 16005 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 16006 File restoreFile = new File(deletedPackage.codePath); 16007 // Parse old package 16008 boolean oldExternal = isExternal(deletedPackage); 16009 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 16010 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 16011 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 16012 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 16013 try { 16014 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 16015 null); 16016 } catch (PackageManagerException e) { 16017 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 16018 + e.getMessage()); 16019 return; 16020 } 16021 16022 synchronized (mPackages) { 16023 // Ensure the installer package name up to date 16024 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16025 16026 // Update permissions for restored package 16027 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16028 16029 mSettings.writeLPr(); 16030 } 16031 16032 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 16033 } 16034 } else { 16035 synchronized (mPackages) { 16036 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 16037 if (ps != null) { 16038 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16039 if (res.removedInfo.removedChildPackages != null) { 16040 final int childCount = res.removedInfo.removedChildPackages.size(); 16041 // Iterate in reverse as we may modify the collection 16042 for (int i = childCount - 1; i >= 0; i--) { 16043 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 16044 if (res.addedChildPackages.containsKey(childPackageName)) { 16045 res.removedInfo.removedChildPackages.removeAt(i); 16046 } else { 16047 PackageRemovedInfo childInfo = res.removedInfo 16048 .removedChildPackages.valueAt(i); 16049 childInfo.removedForAllUsers = mPackages.get( 16050 childInfo.removedPackage) == null; 16051 } 16052 } 16053 } 16054 } 16055 } 16056 } 16057 } 16058 16059 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 16060 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 16061 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16062 int installReason) { 16063 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 16064 + ", old=" + deletedPackage); 16065 16066 final boolean disabledSystem; 16067 16068 // Remove existing system package 16069 removePackageLI(deletedPackage, true); 16070 16071 synchronized (mPackages) { 16072 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 16073 } 16074 if (!disabledSystem) { 16075 // We didn't need to disable the .apk as a current system package, 16076 // which means we are replacing another update that is already 16077 // installed. We need to make sure to delete the older one's .apk. 16078 res.removedInfo.args = createInstallArgsForExisting(0, 16079 deletedPackage.applicationInfo.getCodePath(), 16080 deletedPackage.applicationInfo.getResourcePath(), 16081 getAppDexInstructionSets(deletedPackage.applicationInfo)); 16082 } else { 16083 res.removedInfo.args = null; 16084 } 16085 16086 // Successfully disabled the old package. Now proceed with re-installation 16087 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16088 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16089 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16090 16091 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16092 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 16093 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 16094 16095 PackageParser.Package newPackage = null; 16096 try { 16097 // Add the package to the internal data structures 16098 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 16099 16100 // Set the update and install times 16101 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 16102 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 16103 System.currentTimeMillis()); 16104 16105 // Update the package dynamic state if succeeded 16106 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16107 // Now that the install succeeded make sure we remove data 16108 // directories for any child package the update removed. 16109 final int deletedChildCount = (deletedPackage.childPackages != null) 16110 ? deletedPackage.childPackages.size() : 0; 16111 final int newChildCount = (newPackage.childPackages != null) 16112 ? newPackage.childPackages.size() : 0; 16113 for (int i = 0; i < deletedChildCount; i++) { 16114 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 16115 boolean childPackageDeleted = true; 16116 for (int j = 0; j < newChildCount; j++) { 16117 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 16118 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 16119 childPackageDeleted = false; 16120 break; 16121 } 16122 } 16123 if (childPackageDeleted) { 16124 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 16125 deletedChildPkg.packageName); 16126 if (ps != null && res.removedInfo.removedChildPackages != null) { 16127 PackageRemovedInfo removedChildRes = res.removedInfo 16128 .removedChildPackages.get(deletedChildPkg.packageName); 16129 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 16130 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 16131 } 16132 } 16133 } 16134 16135 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16136 installReason); 16137 prepareAppDataAfterInstallLIF(newPackage); 16138 16139 mDexManager.notifyPackageUpdated(newPackage.packageName, 16140 newPackage.baseCodePath, newPackage.splitCodePaths); 16141 } 16142 } catch (PackageManagerException e) { 16143 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 16144 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16145 } 16146 16147 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16148 // Re installation failed. Restore old information 16149 // Remove new pkg information 16150 if (newPackage != null) { 16151 removeInstalledPackageLI(newPackage, true); 16152 } 16153 // Add back the old system package 16154 try { 16155 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 16156 } catch (PackageManagerException e) { 16157 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 16158 } 16159 16160 synchronized (mPackages) { 16161 if (disabledSystem) { 16162 enableSystemPackageLPw(deletedPackage); 16163 } 16164 16165 // Ensure the installer package name up to date 16166 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16167 16168 // Update permissions for restored package 16169 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16170 16171 mSettings.writeLPr(); 16172 } 16173 16174 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 16175 + " after failed upgrade"); 16176 } 16177 } 16178 16179 /** 16180 * Checks whether the parent or any of the child packages have a change shared 16181 * user. For a package to be a valid update the shred users of the parent and 16182 * the children should match. We may later support changing child shared users. 16183 * @param oldPkg The updated package. 16184 * @param newPkg The update package. 16185 * @return The shared user that change between the versions. 16186 */ 16187 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 16188 PackageParser.Package newPkg) { 16189 // Check parent shared user 16190 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 16191 return newPkg.packageName; 16192 } 16193 // Check child shared users 16194 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16195 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 16196 for (int i = 0; i < newChildCount; i++) { 16197 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 16198 // If this child was present, did it have the same shared user? 16199 for (int j = 0; j < oldChildCount; j++) { 16200 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 16201 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 16202 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 16203 return newChildPkg.packageName; 16204 } 16205 } 16206 } 16207 return null; 16208 } 16209 16210 private void removeNativeBinariesLI(PackageSetting ps) { 16211 // Remove the lib path for the parent package 16212 if (ps != null) { 16213 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 16214 // Remove the lib path for the child packages 16215 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16216 for (int i = 0; i < childCount; i++) { 16217 PackageSetting childPs = null; 16218 synchronized (mPackages) { 16219 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16220 } 16221 if (childPs != null) { 16222 NativeLibraryHelper.removeNativeBinariesLI(childPs 16223 .legacyNativeLibraryPathString); 16224 } 16225 } 16226 } 16227 } 16228 16229 private void enableSystemPackageLPw(PackageParser.Package pkg) { 16230 // Enable the parent package 16231 mSettings.enableSystemPackageLPw(pkg.packageName); 16232 // Enable the child packages 16233 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16234 for (int i = 0; i < childCount; i++) { 16235 PackageParser.Package childPkg = pkg.childPackages.get(i); 16236 mSettings.enableSystemPackageLPw(childPkg.packageName); 16237 } 16238 } 16239 16240 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 16241 PackageParser.Package newPkg) { 16242 // Disable the parent package (parent always replaced) 16243 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 16244 // Disable the child packages 16245 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16246 for (int i = 0; i < childCount; i++) { 16247 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 16248 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 16249 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 16250 } 16251 return disabled; 16252 } 16253 16254 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 16255 String installerPackageName) { 16256 // Enable the parent package 16257 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 16258 // Enable the child packages 16259 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16260 for (int i = 0; i < childCount; i++) { 16261 PackageParser.Package childPkg = pkg.childPackages.get(i); 16262 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 16263 } 16264 } 16265 16266 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 16267 // Collect all used permissions in the UID 16268 ArraySet<String> usedPermissions = new ArraySet<>(); 16269 final int packageCount = su.packages.size(); 16270 for (int i = 0; i < packageCount; i++) { 16271 PackageSetting ps = su.packages.valueAt(i); 16272 if (ps.pkg == null) { 16273 continue; 16274 } 16275 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 16276 for (int j = 0; j < requestedPermCount; j++) { 16277 String permission = ps.pkg.requestedPermissions.get(j); 16278 BasePermission bp = mSettings.mPermissions.get(permission); 16279 if (bp != null) { 16280 usedPermissions.add(permission); 16281 } 16282 } 16283 } 16284 16285 PermissionsState permissionsState = su.getPermissionsState(); 16286 // Prune install permissions 16287 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 16288 final int installPermCount = installPermStates.size(); 16289 for (int i = installPermCount - 1; i >= 0; i--) { 16290 PermissionState permissionState = installPermStates.get(i); 16291 if (!usedPermissions.contains(permissionState.getName())) { 16292 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16293 if (bp != null) { 16294 permissionsState.revokeInstallPermission(bp); 16295 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 16296 PackageManager.MASK_PERMISSION_FLAGS, 0); 16297 } 16298 } 16299 } 16300 16301 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 16302 16303 // Prune runtime permissions 16304 for (int userId : allUserIds) { 16305 List<PermissionState> runtimePermStates = permissionsState 16306 .getRuntimePermissionStates(userId); 16307 final int runtimePermCount = runtimePermStates.size(); 16308 for (int i = runtimePermCount - 1; i >= 0; i--) { 16309 PermissionState permissionState = runtimePermStates.get(i); 16310 if (!usedPermissions.contains(permissionState.getName())) { 16311 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16312 if (bp != null) { 16313 permissionsState.revokeRuntimePermission(bp, userId); 16314 permissionsState.updatePermissionFlags(bp, userId, 16315 PackageManager.MASK_PERMISSION_FLAGS, 0); 16316 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 16317 runtimePermissionChangedUserIds, userId); 16318 } 16319 } 16320 } 16321 } 16322 16323 return runtimePermissionChangedUserIds; 16324 } 16325 16326 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 16327 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 16328 // Update the parent package setting 16329 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 16330 res, user, installReason); 16331 // Update the child packages setting 16332 final int childCount = (newPackage.childPackages != null) 16333 ? newPackage.childPackages.size() : 0; 16334 for (int i = 0; i < childCount; i++) { 16335 PackageParser.Package childPackage = newPackage.childPackages.get(i); 16336 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 16337 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 16338 childRes.origUsers, childRes, user, installReason); 16339 } 16340 } 16341 16342 private void updateSettingsInternalLI(PackageParser.Package newPackage, 16343 String installerPackageName, int[] allUsers, int[] installedForUsers, 16344 PackageInstalledInfo res, UserHandle user, int installReason) { 16345 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 16346 16347 String pkgName = newPackage.packageName; 16348 synchronized (mPackages) { 16349 //write settings. the installStatus will be incomplete at this stage. 16350 //note that the new package setting would have already been 16351 //added to mPackages. It hasn't been persisted yet. 16352 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 16353 // TODO: Remove this write? It's also written at the end of this method 16354 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16355 mSettings.writeLPr(); 16356 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16357 } 16358 16359 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 16360 synchronized (mPackages) { 16361 updatePermissionsLPw(newPackage.packageName, newPackage, 16362 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 16363 ? UPDATE_PERMISSIONS_ALL : 0)); 16364 // For system-bundled packages, we assume that installing an upgraded version 16365 // of the package implies that the user actually wants to run that new code, 16366 // so we enable the package. 16367 PackageSetting ps = mSettings.mPackages.get(pkgName); 16368 final int userId = user.getIdentifier(); 16369 if (ps != null) { 16370 if (isSystemApp(newPackage)) { 16371 if (DEBUG_INSTALL) { 16372 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 16373 } 16374 // Enable system package for requested users 16375 if (res.origUsers != null) { 16376 for (int origUserId : res.origUsers) { 16377 if (userId == UserHandle.USER_ALL || userId == origUserId) { 16378 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 16379 origUserId, installerPackageName); 16380 } 16381 } 16382 } 16383 // Also convey the prior install/uninstall state 16384 if (allUsers != null && installedForUsers != null) { 16385 for (int currentUserId : allUsers) { 16386 final boolean installed = ArrayUtils.contains( 16387 installedForUsers, currentUserId); 16388 if (DEBUG_INSTALL) { 16389 Slog.d(TAG, " user " + currentUserId + " => " + installed); 16390 } 16391 ps.setInstalled(installed, currentUserId); 16392 } 16393 // these install state changes will be persisted in the 16394 // upcoming call to mSettings.writeLPr(). 16395 } 16396 } 16397 // It's implied that when a user requests installation, they want the app to be 16398 // installed and enabled. 16399 if (userId != UserHandle.USER_ALL) { 16400 ps.setInstalled(true, userId); 16401 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 16402 } 16403 16404 // When replacing an existing package, preserve the original install reason for all 16405 // users that had the package installed before. 16406 final Set<Integer> previousUserIds = new ArraySet<>(); 16407 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 16408 final int installReasonCount = res.removedInfo.installReasons.size(); 16409 for (int i = 0; i < installReasonCount; i++) { 16410 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 16411 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 16412 ps.setInstallReason(previousInstallReason, previousUserId); 16413 previousUserIds.add(previousUserId); 16414 } 16415 } 16416 16417 // Set install reason for users that are having the package newly installed. 16418 if (userId == UserHandle.USER_ALL) { 16419 for (int currentUserId : sUserManager.getUserIds()) { 16420 if (!previousUserIds.contains(currentUserId)) { 16421 ps.setInstallReason(installReason, currentUserId); 16422 } 16423 } 16424 } else if (!previousUserIds.contains(userId)) { 16425 ps.setInstallReason(installReason, userId); 16426 } 16427 mSettings.writeKernelMappingLPr(ps); 16428 } 16429 res.name = pkgName; 16430 res.uid = newPackage.applicationInfo.uid; 16431 res.pkg = newPackage; 16432 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 16433 mSettings.setInstallerPackageName(pkgName, installerPackageName); 16434 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16435 //to update install status 16436 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16437 mSettings.writeLPr(); 16438 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16439 } 16440 16441 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16442 } 16443 16444 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 16445 try { 16446 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 16447 installPackageLI(args, res); 16448 } finally { 16449 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16450 } 16451 } 16452 16453 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 16454 final int installFlags = args.installFlags; 16455 final String installerPackageName = args.installerPackageName; 16456 final String volumeUuid = args.volumeUuid; 16457 final File tmpPackageFile = new File(args.getCodePath()); 16458 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 16459 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 16460 || (args.volumeUuid != null)); 16461 final boolean instantApp = ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0); 16462 final boolean fullApp = ((installFlags & PackageManager.INSTALL_FULL_APP) != 0); 16463 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 16464 boolean replace = false; 16465 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 16466 if (args.move != null) { 16467 // moving a complete application; perform an initial scan on the new install location 16468 scanFlags |= SCAN_INITIAL; 16469 } 16470 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 16471 scanFlags |= SCAN_DONT_KILL_APP; 16472 } 16473 if (instantApp) { 16474 scanFlags |= SCAN_AS_INSTANT_APP; 16475 } 16476 if (fullApp) { 16477 scanFlags |= SCAN_AS_FULL_APP; 16478 } 16479 16480 // Result object to be returned 16481 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16482 16483 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 16484 16485 // Sanity check 16486 if (instantApp && (forwardLocked || onExternal)) { 16487 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 16488 + " external=" + onExternal); 16489 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16490 return; 16491 } 16492 16493 // Retrieve PackageSettings and parse package 16494 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 16495 | PackageParser.PARSE_ENFORCE_CODE 16496 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 16497 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 16498 | (instantApp ? PackageParser.PARSE_IS_EPHEMERAL : 0) 16499 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 16500 PackageParser pp = new PackageParser(); 16501 pp.setSeparateProcesses(mSeparateProcesses); 16502 pp.setDisplayMetrics(mMetrics); 16503 pp.setCallback(mPackageParserCallback); 16504 16505 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 16506 final PackageParser.Package pkg; 16507 try { 16508 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 16509 } catch (PackageParserException e) { 16510 res.setError("Failed parse during installPackageLI", e); 16511 return; 16512 } finally { 16513 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16514 } 16515 16516 // Instant apps must have target SDK >= O and have targetSanboxVersion >= 2 16517 if (instantApp && pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.N_MR1) { 16518 Slog.w(TAG, "Instant app package " + pkg.packageName 16519 + " does not target O, this will be a fatal error."); 16520 // STOPSHIP: Make this a fatal error 16521 pkg.applicationInfo.targetSdkVersion = Build.VERSION_CODES.O; 16522 } 16523 if (instantApp && pkg.applicationInfo.targetSandboxVersion != 2) { 16524 Slog.w(TAG, "Instant app package " + pkg.packageName 16525 + " does not target targetSandboxVersion 2, this will be a fatal error."); 16526 // STOPSHIP: Make this a fatal error 16527 pkg.applicationInfo.targetSandboxVersion = 2; 16528 } 16529 16530 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16531 // Static shared libraries have synthetic package names 16532 renameStaticSharedLibraryPackage(pkg); 16533 16534 // No static shared libs on external storage 16535 if (onExternal) { 16536 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 16537 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16538 "Packages declaring static-shared libs cannot be updated"); 16539 return; 16540 } 16541 } 16542 16543 // If we are installing a clustered package add results for the children 16544 if (pkg.childPackages != null) { 16545 synchronized (mPackages) { 16546 final int childCount = pkg.childPackages.size(); 16547 for (int i = 0; i < childCount; i++) { 16548 PackageParser.Package childPkg = pkg.childPackages.get(i); 16549 PackageInstalledInfo childRes = new PackageInstalledInfo(); 16550 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16551 childRes.pkg = childPkg; 16552 childRes.name = childPkg.packageName; 16553 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16554 if (childPs != null) { 16555 childRes.origUsers = childPs.queryInstalledUsers( 16556 sUserManager.getUserIds(), true); 16557 } 16558 if ((mPackages.containsKey(childPkg.packageName))) { 16559 childRes.removedInfo = new PackageRemovedInfo(); 16560 childRes.removedInfo.removedPackage = childPkg.packageName; 16561 } 16562 if (res.addedChildPackages == null) { 16563 res.addedChildPackages = new ArrayMap<>(); 16564 } 16565 res.addedChildPackages.put(childPkg.packageName, childRes); 16566 } 16567 } 16568 } 16569 16570 // If package doesn't declare API override, mark that we have an install 16571 // time CPU ABI override. 16572 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 16573 pkg.cpuAbiOverride = args.abiOverride; 16574 } 16575 16576 String pkgName = res.name = pkg.packageName; 16577 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 16578 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 16579 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 16580 return; 16581 } 16582 } 16583 16584 try { 16585 // either use what we've been given or parse directly from the APK 16586 if (args.certificates != null) { 16587 try { 16588 PackageParser.populateCertificates(pkg, args.certificates); 16589 } catch (PackageParserException e) { 16590 // there was something wrong with the certificates we were given; 16591 // try to pull them from the APK 16592 PackageParser.collectCertificates(pkg, parseFlags); 16593 } 16594 } else { 16595 PackageParser.collectCertificates(pkg, parseFlags); 16596 } 16597 } catch (PackageParserException e) { 16598 res.setError("Failed collect during installPackageLI", e); 16599 return; 16600 } 16601 16602 // Get rid of all references to package scan path via parser. 16603 pp = null; 16604 String oldCodePath = null; 16605 boolean systemApp = false; 16606 synchronized (mPackages) { 16607 // Check if installing already existing package 16608 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 16609 String oldName = mSettings.getRenamedPackageLPr(pkgName); 16610 if (pkg.mOriginalPackages != null 16611 && pkg.mOriginalPackages.contains(oldName) 16612 && mPackages.containsKey(oldName)) { 16613 // This package is derived from an original package, 16614 // and this device has been updating from that original 16615 // name. We must continue using the original name, so 16616 // rename the new package here. 16617 pkg.setPackageName(oldName); 16618 pkgName = pkg.packageName; 16619 replace = true; 16620 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 16621 + oldName + " pkgName=" + pkgName); 16622 } else if (mPackages.containsKey(pkgName)) { 16623 // This package, under its official name, already exists 16624 // on the device; we should replace it. 16625 replace = true; 16626 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 16627 } 16628 16629 // Child packages are installed through the parent package 16630 if (pkg.parentPackage != null) { 16631 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16632 "Package " + pkg.packageName + " is child of package " 16633 + pkg.parentPackage.parentPackage + ". Child packages " 16634 + "can be updated only through the parent package."); 16635 return; 16636 } 16637 16638 if (replace) { 16639 // Prevent apps opting out from runtime permissions 16640 PackageParser.Package oldPackage = mPackages.get(pkgName); 16641 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 16642 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 16643 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 16644 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 16645 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 16646 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 16647 + " doesn't support runtime permissions but the old" 16648 + " target SDK " + oldTargetSdk + " does."); 16649 return; 16650 } 16651 16652 // Prevent installing of child packages 16653 if (oldPackage.parentPackage != null) { 16654 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16655 "Package " + pkg.packageName + " is child of package " 16656 + oldPackage.parentPackage + ". Child packages " 16657 + "can be updated only through the parent package."); 16658 return; 16659 } 16660 } 16661 } 16662 16663 PackageSetting ps = mSettings.mPackages.get(pkgName); 16664 if (ps != null) { 16665 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 16666 16667 // Static shared libs have same package with different versions where 16668 // we internally use a synthetic package name to allow multiple versions 16669 // of the same package, therefore we need to compare signatures against 16670 // the package setting for the latest library version. 16671 PackageSetting signatureCheckPs = ps; 16672 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16673 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 16674 if (libraryEntry != null) { 16675 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 16676 } 16677 } 16678 16679 // Quick sanity check that we're signed correctly if updating; 16680 // we'll check this again later when scanning, but we want to 16681 // bail early here before tripping over redefined permissions. 16682 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 16683 if (!checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 16684 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 16685 + pkg.packageName + " upgrade keys do not match the " 16686 + "previously installed version"); 16687 return; 16688 } 16689 } else { 16690 try { 16691 verifySignaturesLP(signatureCheckPs, pkg); 16692 } catch (PackageManagerException e) { 16693 res.setError(e.error, e.getMessage()); 16694 return; 16695 } 16696 } 16697 16698 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 16699 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 16700 systemApp = (ps.pkg.applicationInfo.flags & 16701 ApplicationInfo.FLAG_SYSTEM) != 0; 16702 } 16703 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16704 } 16705 16706 int N = pkg.permissions.size(); 16707 for (int i = N-1; i >= 0; i--) { 16708 PackageParser.Permission perm = pkg.permissions.get(i); 16709 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 16710 16711 // Don't allow anyone but the platform to define ephemeral permissions. 16712 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_FLAG_EPHEMERAL) != 0 16713 && !PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16714 Slog.w(TAG, "Package " + pkg.packageName 16715 + " attempting to delcare ephemeral permission " 16716 + perm.info.name + "; Removing ephemeral."); 16717 perm.info.protectionLevel &= ~PermissionInfo.PROTECTION_FLAG_EPHEMERAL; 16718 } 16719 // Check whether the newly-scanned package wants to define an already-defined perm 16720 if (bp != null) { 16721 // If the defining package is signed with our cert, it's okay. This 16722 // also includes the "updating the same package" case, of course. 16723 // "updating same package" could also involve key-rotation. 16724 final boolean sigsOk; 16725 if (bp.sourcePackage.equals(pkg.packageName) 16726 && (bp.packageSetting instanceof PackageSetting) 16727 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 16728 scanFlags))) { 16729 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 16730 } else { 16731 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 16732 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 16733 } 16734 if (!sigsOk) { 16735 // If the owning package is the system itself, we log but allow 16736 // install to proceed; we fail the install on all other permission 16737 // redefinitions. 16738 if (!bp.sourcePackage.equals("android")) { 16739 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 16740 + pkg.packageName + " attempting to redeclare permission " 16741 + perm.info.name + " already owned by " + bp.sourcePackage); 16742 res.origPermission = perm.info.name; 16743 res.origPackage = bp.sourcePackage; 16744 return; 16745 } else { 16746 Slog.w(TAG, "Package " + pkg.packageName 16747 + " attempting to redeclare system permission " 16748 + perm.info.name + "; ignoring new declaration"); 16749 pkg.permissions.remove(i); 16750 } 16751 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16752 // Prevent apps to change protection level to dangerous from any other 16753 // type as this would allow a privilege escalation where an app adds a 16754 // normal/signature permission in other app's group and later redefines 16755 // it as dangerous leading to the group auto-grant. 16756 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 16757 == PermissionInfo.PROTECTION_DANGEROUS) { 16758 if (bp != null && !bp.isRuntime()) { 16759 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 16760 + "non-runtime permission " + perm.info.name 16761 + " to runtime; keeping old protection level"); 16762 perm.info.protectionLevel = bp.protectionLevel; 16763 } 16764 } 16765 } 16766 } 16767 } 16768 } 16769 16770 if (systemApp) { 16771 if (onExternal) { 16772 // Abort update; system app can't be replaced with app on sdcard 16773 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16774 "Cannot install updates to system apps on sdcard"); 16775 return; 16776 } else if (instantApp) { 16777 // Abort update; system app can't be replaced with an instant app 16778 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16779 "Cannot update a system app with an instant app"); 16780 return; 16781 } 16782 } 16783 16784 if (args.move != null) { 16785 // We did an in-place move, so dex is ready to roll 16786 scanFlags |= SCAN_NO_DEX; 16787 scanFlags |= SCAN_MOVE; 16788 16789 synchronized (mPackages) { 16790 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16791 if (ps == null) { 16792 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 16793 "Missing settings for moved package " + pkgName); 16794 } 16795 16796 // We moved the entire application as-is, so bring over the 16797 // previously derived ABI information. 16798 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 16799 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 16800 } 16801 16802 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 16803 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 16804 scanFlags |= SCAN_NO_DEX; 16805 16806 try { 16807 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 16808 args.abiOverride : pkg.cpuAbiOverride); 16809 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 16810 true /*extractLibs*/, mAppLib32InstallDir); 16811 } catch (PackageManagerException pme) { 16812 Slog.e(TAG, "Error deriving application ABI", pme); 16813 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 16814 return; 16815 } 16816 16817 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 16818 // Do not run PackageDexOptimizer through the local performDexOpt 16819 // method because `pkg` may not be in `mPackages` yet. 16820 // 16821 // Also, don't fail application installs if the dexopt step fails. 16822 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 16823 null /* instructionSets */, false /* checkProfiles */, 16824 getCompilerFilterForReason(REASON_INSTALL), 16825 getOrCreateCompilerPackageStats(pkg), 16826 mDexManager.isUsedByOtherApps(pkg.packageName)); 16827 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16828 16829 // Notify BackgroundDexOptService that the package has been changed. 16830 // If this is an update of a package which used to fail to compile, 16831 // BDOS will remove it from its blacklist. 16832 // TODO: Layering violation 16833 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 16834 } 16835 16836 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 16837 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 16838 return; 16839 } 16840 16841 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 16842 16843 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 16844 "installPackageLI")) { 16845 if (replace) { 16846 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16847 // Static libs have a synthetic package name containing the version 16848 // and cannot be updated as an update would get a new package name, 16849 // unless this is the exact same version code which is useful for 16850 // development. 16851 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 16852 if (existingPkg != null && existingPkg.mVersionCode != pkg.mVersionCode) { 16853 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 16854 + "static-shared libs cannot be updated"); 16855 return; 16856 } 16857 } 16858 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 16859 installerPackageName, res, args.installReason); 16860 } else { 16861 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 16862 args.user, installerPackageName, volumeUuid, res, args.installReason); 16863 } 16864 } 16865 synchronized (mPackages) { 16866 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16867 if (ps != null) { 16868 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16869 ps.setUpdateAvailable(false /*updateAvailable*/); 16870 } 16871 16872 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16873 for (int i = 0; i < childCount; i++) { 16874 PackageParser.Package childPkg = pkg.childPackages.get(i); 16875 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16876 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16877 if (childPs != null) { 16878 childRes.newUsers = childPs.queryInstalledUsers( 16879 sUserManager.getUserIds(), true); 16880 } 16881 } 16882 16883 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16884 updateSequenceNumberLP(pkgName, res.newUsers); 16885 } 16886 } 16887 } 16888 16889 private void startIntentFilterVerifications(int userId, boolean replacing, 16890 PackageParser.Package pkg) { 16891 if (mIntentFilterVerifierComponent == null) { 16892 Slog.w(TAG, "No IntentFilter verification will not be done as " 16893 + "there is no IntentFilterVerifier available!"); 16894 return; 16895 } 16896 16897 final int verifierUid = getPackageUid( 16898 mIntentFilterVerifierComponent.getPackageName(), 16899 MATCH_DEBUG_TRIAGED_MISSING, 16900 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 16901 16902 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16903 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 16904 mHandler.sendMessage(msg); 16905 16906 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16907 for (int i = 0; i < childCount; i++) { 16908 PackageParser.Package childPkg = pkg.childPackages.get(i); 16909 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16910 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 16911 mHandler.sendMessage(msg); 16912 } 16913 } 16914 16915 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 16916 PackageParser.Package pkg) { 16917 int size = pkg.activities.size(); 16918 if (size == 0) { 16919 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16920 "No activity, so no need to verify any IntentFilter!"); 16921 return; 16922 } 16923 16924 final boolean hasDomainURLs = hasDomainURLs(pkg); 16925 if (!hasDomainURLs) { 16926 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16927 "No domain URLs, so no need to verify any IntentFilter!"); 16928 return; 16929 } 16930 16931 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 16932 + " if any IntentFilter from the " + size 16933 + " Activities needs verification ..."); 16934 16935 int count = 0; 16936 final String packageName = pkg.packageName; 16937 16938 synchronized (mPackages) { 16939 // If this is a new install and we see that we've already run verification for this 16940 // package, we have nothing to do: it means the state was restored from backup. 16941 if (!replacing) { 16942 IntentFilterVerificationInfo ivi = 16943 mSettings.getIntentFilterVerificationLPr(packageName); 16944 if (ivi != null) { 16945 if (DEBUG_DOMAIN_VERIFICATION) { 16946 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 16947 + ivi.getStatusString()); 16948 } 16949 return; 16950 } 16951 } 16952 16953 // If any filters need to be verified, then all need to be. 16954 boolean needToVerify = false; 16955 for (PackageParser.Activity a : pkg.activities) { 16956 for (ActivityIntentInfo filter : a.intents) { 16957 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 16958 if (DEBUG_DOMAIN_VERIFICATION) { 16959 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 16960 } 16961 needToVerify = true; 16962 break; 16963 } 16964 } 16965 } 16966 16967 if (needToVerify) { 16968 final int verificationId = mIntentFilterVerificationToken++; 16969 for (PackageParser.Activity a : pkg.activities) { 16970 for (ActivityIntentInfo filter : a.intents) { 16971 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 16972 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16973 "Verification needed for IntentFilter:" + filter.toString()); 16974 mIntentFilterVerifier.addOneIntentFilterVerification( 16975 verifierUid, userId, verificationId, filter, packageName); 16976 count++; 16977 } 16978 } 16979 } 16980 } 16981 } 16982 16983 if (count > 0) { 16984 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 16985 + " IntentFilter verification" + (count > 1 ? "s" : "") 16986 + " for userId:" + userId); 16987 mIntentFilterVerifier.startVerifications(userId); 16988 } else { 16989 if (DEBUG_DOMAIN_VERIFICATION) { 16990 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 16991 } 16992 } 16993 } 16994 16995 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 16996 final ComponentName cn = filter.activity.getComponentName(); 16997 final String packageName = cn.getPackageName(); 16998 16999 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 17000 packageName); 17001 if (ivi == null) { 17002 return true; 17003 } 17004 int status = ivi.getStatus(); 17005 switch (status) { 17006 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 17007 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 17008 return true; 17009 17010 default: 17011 // Nothing to do 17012 return false; 17013 } 17014 } 17015 17016 private static boolean isMultiArch(ApplicationInfo info) { 17017 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 17018 } 17019 17020 private static boolean isExternal(PackageParser.Package pkg) { 17021 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17022 } 17023 17024 private static boolean isExternal(PackageSetting ps) { 17025 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17026 } 17027 17028 private static boolean isSystemApp(PackageParser.Package pkg) { 17029 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 17030 } 17031 17032 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 17033 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 17034 } 17035 17036 private static boolean hasDomainURLs(PackageParser.Package pkg) { 17037 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 17038 } 17039 17040 private static boolean isSystemApp(PackageSetting ps) { 17041 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 17042 } 17043 17044 private static boolean isUpdatedSystemApp(PackageSetting ps) { 17045 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 17046 } 17047 17048 private int packageFlagsToInstallFlags(PackageSetting ps) { 17049 int installFlags = 0; 17050 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 17051 // This existing package was an external ASEC install when we have 17052 // the external flag without a UUID 17053 installFlags |= PackageManager.INSTALL_EXTERNAL; 17054 } 17055 if (ps.isForwardLocked()) { 17056 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 17057 } 17058 return installFlags; 17059 } 17060 17061 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 17062 if (isExternal(pkg)) { 17063 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17064 return StorageManager.UUID_PRIMARY_PHYSICAL; 17065 } else { 17066 return pkg.volumeUuid; 17067 } 17068 } else { 17069 return StorageManager.UUID_PRIVATE_INTERNAL; 17070 } 17071 } 17072 17073 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 17074 if (isExternal(pkg)) { 17075 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17076 return mSettings.getExternalVersion(); 17077 } else { 17078 return mSettings.findOrCreateVersion(pkg.volumeUuid); 17079 } 17080 } else { 17081 return mSettings.getInternalVersion(); 17082 } 17083 } 17084 17085 private void deleteTempPackageFiles() { 17086 final FilenameFilter filter = new FilenameFilter() { 17087 public boolean accept(File dir, String name) { 17088 return name.startsWith("vmdl") && name.endsWith(".tmp"); 17089 } 17090 }; 17091 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 17092 file.delete(); 17093 } 17094 } 17095 17096 @Override 17097 public void deletePackageAsUser(String packageName, int versionCode, 17098 IPackageDeleteObserver observer, int userId, int flags) { 17099 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 17100 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 17101 } 17102 17103 @Override 17104 public void deletePackageVersioned(VersionedPackage versionedPackage, 17105 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 17106 mContext.enforceCallingOrSelfPermission( 17107 android.Manifest.permission.DELETE_PACKAGES, null); 17108 Preconditions.checkNotNull(versionedPackage); 17109 Preconditions.checkNotNull(observer); 17110 Preconditions.checkArgumentInRange(versionedPackage.getVersionCode(), 17111 PackageManager.VERSION_CODE_HIGHEST, 17112 Integer.MAX_VALUE, "versionCode must be >= -1"); 17113 17114 final String packageName = versionedPackage.getPackageName(); 17115 // TODO: We will change version code to long, so in the new API it is long 17116 final int versionCode = (int) versionedPackage.getVersionCode(); 17117 final String internalPackageName; 17118 synchronized (mPackages) { 17119 // Normalize package name to handle renamed packages and static libs 17120 internalPackageName = resolveInternalPackageNameLPr(versionedPackage.getPackageName(), 17121 // TODO: We will change version code to long, so in the new API it is long 17122 (int) versionedPackage.getVersionCode()); 17123 } 17124 17125 final int uid = Binder.getCallingUid(); 17126 if (!isOrphaned(internalPackageName) 17127 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 17128 try { 17129 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 17130 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 17131 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 17132 observer.onUserActionRequired(intent); 17133 } catch (RemoteException re) { 17134 } 17135 return; 17136 } 17137 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 17138 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 17139 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 17140 mContext.enforceCallingOrSelfPermission( 17141 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 17142 "deletePackage for user " + userId); 17143 } 17144 17145 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 17146 try { 17147 observer.onPackageDeleted(packageName, 17148 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 17149 } catch (RemoteException re) { 17150 } 17151 return; 17152 } 17153 17154 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 17155 try { 17156 observer.onPackageDeleted(packageName, 17157 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 17158 } catch (RemoteException re) { 17159 } 17160 return; 17161 } 17162 17163 if (DEBUG_REMOVE) { 17164 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 17165 + " deleteAllUsers: " + deleteAllUsers + " version=" 17166 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 17167 ? "VERSION_CODE_HIGHEST" : versionCode)); 17168 } 17169 // Queue up an async operation since the package deletion may take a little while. 17170 mHandler.post(new Runnable() { 17171 public void run() { 17172 mHandler.removeCallbacks(this); 17173 int returnCode; 17174 if (!deleteAllUsers) { 17175 returnCode = deletePackageX(internalPackageName, versionCode, 17176 userId, deleteFlags); 17177 } else { 17178 int[] blockUninstallUserIds = getBlockUninstallForUsers( 17179 internalPackageName, users); 17180 // If nobody is blocking uninstall, proceed with delete for all users 17181 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 17182 returnCode = deletePackageX(internalPackageName, versionCode, 17183 userId, deleteFlags); 17184 } else { 17185 // Otherwise uninstall individually for users with blockUninstalls=false 17186 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 17187 for (int userId : users) { 17188 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 17189 returnCode = deletePackageX(internalPackageName, versionCode, 17190 userId, userFlags); 17191 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 17192 Slog.w(TAG, "Package delete failed for user " + userId 17193 + ", returnCode " + returnCode); 17194 } 17195 } 17196 } 17197 // The app has only been marked uninstalled for certain users. 17198 // We still need to report that delete was blocked 17199 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 17200 } 17201 } 17202 try { 17203 observer.onPackageDeleted(packageName, returnCode, null); 17204 } catch (RemoteException e) { 17205 Log.i(TAG, "Observer no longer exists."); 17206 } //end catch 17207 } //end run 17208 }); 17209 } 17210 17211 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 17212 if (pkg.staticSharedLibName != null) { 17213 return pkg.manifestPackageName; 17214 } 17215 return pkg.packageName; 17216 } 17217 17218 private String resolveInternalPackageNameLPr(String packageName, int versionCode) { 17219 // Handle renamed packages 17220 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 17221 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 17222 17223 // Is this a static library? 17224 SparseArray<SharedLibraryEntry> versionedLib = 17225 mStaticLibsByDeclaringPackage.get(packageName); 17226 if (versionedLib == null || versionedLib.size() <= 0) { 17227 return packageName; 17228 } 17229 17230 // Figure out which lib versions the caller can see 17231 SparseIntArray versionsCallerCanSee = null; 17232 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 17233 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 17234 && callingAppId != Process.ROOT_UID) { 17235 versionsCallerCanSee = new SparseIntArray(); 17236 String libName = versionedLib.valueAt(0).info.getName(); 17237 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 17238 if (uidPackages != null) { 17239 for (String uidPackage : uidPackages) { 17240 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 17241 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 17242 if (libIdx >= 0) { 17243 final int libVersion = ps.usesStaticLibrariesVersions[libIdx]; 17244 versionsCallerCanSee.append(libVersion, libVersion); 17245 } 17246 } 17247 } 17248 } 17249 17250 // Caller can see nothing - done 17251 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 17252 return packageName; 17253 } 17254 17255 // Find the version the caller can see and the app version code 17256 SharedLibraryEntry highestVersion = null; 17257 final int versionCount = versionedLib.size(); 17258 for (int i = 0; i < versionCount; i++) { 17259 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 17260 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 17261 libEntry.info.getVersion()) < 0) { 17262 continue; 17263 } 17264 // TODO: We will change version code to long, so in the new API it is long 17265 final int libVersionCode = (int) libEntry.info.getDeclaringPackage().getVersionCode(); 17266 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 17267 if (libVersionCode == versionCode) { 17268 return libEntry.apk; 17269 } 17270 } else if (highestVersion == null) { 17271 highestVersion = libEntry; 17272 } else if (libVersionCode > highestVersion.info 17273 .getDeclaringPackage().getVersionCode()) { 17274 highestVersion = libEntry; 17275 } 17276 } 17277 17278 if (highestVersion != null) { 17279 return highestVersion.apk; 17280 } 17281 17282 return packageName; 17283 } 17284 17285 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 17286 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 17287 || callingUid == Process.SYSTEM_UID) { 17288 return true; 17289 } 17290 final int callingUserId = UserHandle.getUserId(callingUid); 17291 // If the caller installed the pkgName, then allow it to silently uninstall. 17292 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 17293 return true; 17294 } 17295 17296 // Allow package verifier to silently uninstall. 17297 if (mRequiredVerifierPackage != null && 17298 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 17299 return true; 17300 } 17301 17302 // Allow package uninstaller to silently uninstall. 17303 if (mRequiredUninstallerPackage != null && 17304 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 17305 return true; 17306 } 17307 17308 // Allow storage manager to silently uninstall. 17309 if (mStorageManagerPackage != null && 17310 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 17311 return true; 17312 } 17313 return false; 17314 } 17315 17316 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 17317 int[] result = EMPTY_INT_ARRAY; 17318 for (int userId : userIds) { 17319 if (getBlockUninstallForUser(packageName, userId)) { 17320 result = ArrayUtils.appendInt(result, userId); 17321 } 17322 } 17323 return result; 17324 } 17325 17326 @Override 17327 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 17328 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 17329 } 17330 17331 private boolean isPackageDeviceAdmin(String packageName, int userId) { 17332 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 17333 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 17334 try { 17335 if (dpm != null) { 17336 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 17337 /* callingUserOnly =*/ false); 17338 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 17339 : deviceOwnerComponentName.getPackageName(); 17340 // Does the package contains the device owner? 17341 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 17342 // this check is probably not needed, since DO should be registered as a device 17343 // admin on some user too. (Original bug for this: b/17657954) 17344 if (packageName.equals(deviceOwnerPackageName)) { 17345 return true; 17346 } 17347 // Does it contain a device admin for any user? 17348 int[] users; 17349 if (userId == UserHandle.USER_ALL) { 17350 users = sUserManager.getUserIds(); 17351 } else { 17352 users = new int[]{userId}; 17353 } 17354 for (int i = 0; i < users.length; ++i) { 17355 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 17356 return true; 17357 } 17358 } 17359 } 17360 } catch (RemoteException e) { 17361 } 17362 return false; 17363 } 17364 17365 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 17366 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 17367 } 17368 17369 /** 17370 * This method is an internal method that could be get invoked either 17371 * to delete an installed package or to clean up a failed installation. 17372 * After deleting an installed package, a broadcast is sent to notify any 17373 * listeners that the package has been removed. For cleaning up a failed 17374 * installation, the broadcast is not necessary since the package's 17375 * installation wouldn't have sent the initial broadcast either 17376 * The key steps in deleting a package are 17377 * deleting the package information in internal structures like mPackages, 17378 * deleting the packages base directories through installd 17379 * updating mSettings to reflect current status 17380 * persisting settings for later use 17381 * sending a broadcast if necessary 17382 */ 17383 private int deletePackageX(String packageName, int versionCode, int userId, int deleteFlags) { 17384 final PackageRemovedInfo info = new PackageRemovedInfo(); 17385 final boolean res; 17386 17387 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 17388 ? UserHandle.USER_ALL : userId; 17389 17390 if (isPackageDeviceAdmin(packageName, removeUser)) { 17391 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 17392 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 17393 } 17394 17395 PackageSetting uninstalledPs = null; 17396 PackageParser.Package pkg = null; 17397 17398 // for the uninstall-updates case and restricted profiles, remember the per- 17399 // user handle installed state 17400 int[] allUsers; 17401 synchronized (mPackages) { 17402 uninstalledPs = mSettings.mPackages.get(packageName); 17403 if (uninstalledPs == null) { 17404 Slog.w(TAG, "Not removing non-existent package " + packageName); 17405 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17406 } 17407 17408 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 17409 && uninstalledPs.versionCode != versionCode) { 17410 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 17411 + uninstalledPs.versionCode + " != " + versionCode); 17412 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17413 } 17414 17415 // Static shared libs can be declared by any package, so let us not 17416 // allow removing a package if it provides a lib others depend on. 17417 pkg = mPackages.get(packageName); 17418 if (pkg != null && pkg.staticSharedLibName != null) { 17419 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 17420 pkg.staticSharedLibVersion); 17421 if (libEntry != null) { 17422 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 17423 libEntry.info, 0, userId); 17424 if (!ArrayUtils.isEmpty(libClientPackages)) { 17425 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 17426 + " hosting lib " + libEntry.info.getName() + " version " 17427 + libEntry.info.getVersion() + " used by " + libClientPackages); 17428 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 17429 } 17430 } 17431 } 17432 17433 allUsers = sUserManager.getUserIds(); 17434 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 17435 } 17436 17437 final int freezeUser; 17438 if (isUpdatedSystemApp(uninstalledPs) 17439 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 17440 // We're downgrading a system app, which will apply to all users, so 17441 // freeze them all during the downgrade 17442 freezeUser = UserHandle.USER_ALL; 17443 } else { 17444 freezeUser = removeUser; 17445 } 17446 17447 synchronized (mInstallLock) { 17448 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 17449 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 17450 deleteFlags, "deletePackageX")) { 17451 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 17452 deleteFlags | FLAGS_REMOVE_CHATTY, info, true, null); 17453 } 17454 synchronized (mPackages) { 17455 if (res) { 17456 if (pkg != null) { 17457 mInstantAppRegistry.onPackageUninstalledLPw(pkg, info.removedUsers); 17458 } 17459 updateSequenceNumberLP(packageName, info.removedUsers); 17460 } 17461 } 17462 } 17463 17464 if (res) { 17465 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 17466 info.sendPackageRemovedBroadcasts(killApp); 17467 info.sendSystemPackageUpdatedBroadcasts(); 17468 info.sendSystemPackageAppearedBroadcasts(); 17469 } 17470 // Force a gc here. 17471 Runtime.getRuntime().gc(); 17472 // Delete the resources here after sending the broadcast to let 17473 // other processes clean up before deleting resources. 17474 if (info.args != null) { 17475 synchronized (mInstallLock) { 17476 info.args.doPostDeleteLI(true); 17477 } 17478 } 17479 17480 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17481 } 17482 17483 class PackageRemovedInfo { 17484 String removedPackage; 17485 int uid = -1; 17486 int removedAppId = -1; 17487 int[] origUsers; 17488 int[] removedUsers = null; 17489 SparseArray<Integer> installReasons; 17490 boolean isRemovedPackageSystemUpdate = false; 17491 boolean isUpdate; 17492 boolean dataRemoved; 17493 boolean removedForAllUsers; 17494 boolean isStaticSharedLib; 17495 // Clean up resources deleted packages. 17496 InstallArgs args = null; 17497 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 17498 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 17499 17500 void sendPackageRemovedBroadcasts(boolean killApp) { 17501 sendPackageRemovedBroadcastInternal(killApp); 17502 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 17503 for (int i = 0; i < childCount; i++) { 17504 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17505 childInfo.sendPackageRemovedBroadcastInternal(killApp); 17506 } 17507 } 17508 17509 void sendSystemPackageUpdatedBroadcasts() { 17510 if (isRemovedPackageSystemUpdate) { 17511 sendSystemPackageUpdatedBroadcastsInternal(); 17512 final int childCount = (removedChildPackages != null) 17513 ? removedChildPackages.size() : 0; 17514 for (int i = 0; i < childCount; i++) { 17515 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17516 if (childInfo.isRemovedPackageSystemUpdate) { 17517 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 17518 } 17519 } 17520 } 17521 } 17522 17523 void sendSystemPackageAppearedBroadcasts() { 17524 final int packageCount = (appearedChildPackages != null) 17525 ? appearedChildPackages.size() : 0; 17526 for (int i = 0; i < packageCount; i++) { 17527 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 17528 sendPackageAddedForNewUsers(installedInfo.name, true, 17529 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers); 17530 } 17531 } 17532 17533 private void sendSystemPackageUpdatedBroadcastsInternal() { 17534 Bundle extras = new Bundle(2); 17535 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17536 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17537 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 17538 extras, 0, null, null, null); 17539 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 17540 extras, 0, null, null, null); 17541 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 17542 null, 0, removedPackage, null, null); 17543 } 17544 17545 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 17546 // Don't send static shared library removal broadcasts as these 17547 // libs are visible only the the apps that depend on them an one 17548 // cannot remove the library if it has a dependency. 17549 if (isStaticSharedLib) { 17550 return; 17551 } 17552 Bundle extras = new Bundle(2); 17553 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17554 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 17555 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 17556 if (isUpdate || isRemovedPackageSystemUpdate) { 17557 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17558 } 17559 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 17560 if (removedPackage != null) { 17561 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 17562 extras, 0, null, null, removedUsers); 17563 if (dataRemoved && !isRemovedPackageSystemUpdate) { 17564 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 17565 removedPackage, extras, Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 17566 null, null, removedUsers); 17567 } 17568 } 17569 if (removedAppId >= 0) { 17570 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 17571 removedUsers); 17572 } 17573 } 17574 } 17575 17576 /* 17577 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 17578 * flag is not set, the data directory is removed as well. 17579 * make sure this flag is set for partially installed apps. If not its meaningless to 17580 * delete a partially installed application. 17581 */ 17582 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 17583 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 17584 String packageName = ps.name; 17585 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 17586 // Retrieve object to delete permissions for shared user later on 17587 final PackageParser.Package deletedPkg; 17588 final PackageSetting deletedPs; 17589 // reader 17590 synchronized (mPackages) { 17591 deletedPkg = mPackages.get(packageName); 17592 deletedPs = mSettings.mPackages.get(packageName); 17593 if (outInfo != null) { 17594 outInfo.removedPackage = packageName; 17595 outInfo.isStaticSharedLib = deletedPkg != null 17596 && deletedPkg.staticSharedLibName != null; 17597 outInfo.removedUsers = deletedPs != null 17598 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 17599 : null; 17600 } 17601 } 17602 17603 removePackageLI(ps, (flags & FLAGS_REMOVE_CHATTY) != 0); 17604 17605 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 17606 final PackageParser.Package resolvedPkg; 17607 if (deletedPkg != null) { 17608 resolvedPkg = deletedPkg; 17609 } else { 17610 // We don't have a parsed package when it lives on an ejected 17611 // adopted storage device, so fake something together 17612 resolvedPkg = new PackageParser.Package(ps.name); 17613 resolvedPkg.setVolumeUuid(ps.volumeUuid); 17614 } 17615 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 17616 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17617 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 17618 if (outInfo != null) { 17619 outInfo.dataRemoved = true; 17620 } 17621 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 17622 } 17623 17624 int removedAppId = -1; 17625 17626 // writer 17627 synchronized (mPackages) { 17628 boolean installedStateChanged = false; 17629 if (deletedPs != null) { 17630 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 17631 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 17632 clearDefaultBrowserIfNeeded(packageName); 17633 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 17634 removedAppId = mSettings.removePackageLPw(packageName); 17635 if (outInfo != null) { 17636 outInfo.removedAppId = removedAppId; 17637 } 17638 updatePermissionsLPw(deletedPs.name, null, 0); 17639 if (deletedPs.sharedUser != null) { 17640 // Remove permissions associated with package. Since runtime 17641 // permissions are per user we have to kill the removed package 17642 // or packages running under the shared user of the removed 17643 // package if revoking the permissions requested only by the removed 17644 // package is successful and this causes a change in gids. 17645 for (int userId : UserManagerService.getInstance().getUserIds()) { 17646 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 17647 userId); 17648 if (userIdToKill == UserHandle.USER_ALL 17649 || userIdToKill >= UserHandle.USER_SYSTEM) { 17650 // If gids changed for this user, kill all affected packages. 17651 mHandler.post(new Runnable() { 17652 @Override 17653 public void run() { 17654 // This has to happen with no lock held. 17655 killApplication(deletedPs.name, deletedPs.appId, 17656 KILL_APP_REASON_GIDS_CHANGED); 17657 } 17658 }); 17659 break; 17660 } 17661 } 17662 } 17663 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 17664 } 17665 // make sure to preserve per-user disabled state if this removal was just 17666 // a downgrade of a system app to the factory package 17667 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 17668 if (DEBUG_REMOVE) { 17669 Slog.d(TAG, "Propagating install state across downgrade"); 17670 } 17671 for (int userId : allUserHandles) { 17672 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17673 if (DEBUG_REMOVE) { 17674 Slog.d(TAG, " user " + userId + " => " + installed); 17675 } 17676 if (installed != ps.getInstalled(userId)) { 17677 installedStateChanged = true; 17678 } 17679 ps.setInstalled(installed, userId); 17680 } 17681 } 17682 } 17683 // can downgrade to reader 17684 if (writeSettings) { 17685 // Save settings now 17686 mSettings.writeLPr(); 17687 } 17688 if (installedStateChanged) { 17689 mSettings.writeKernelMappingLPr(ps); 17690 } 17691 } 17692 if (removedAppId != -1) { 17693 // A user ID was deleted here. Go through all users and remove it 17694 // from KeyStore. 17695 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 17696 } 17697 } 17698 17699 static boolean locationIsPrivileged(File path) { 17700 try { 17701 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 17702 .getCanonicalPath(); 17703 return path.getCanonicalPath().startsWith(privilegedAppDir); 17704 } catch (IOException e) { 17705 Slog.e(TAG, "Unable to access code path " + path); 17706 } 17707 return false; 17708 } 17709 17710 /* 17711 * Tries to delete system package. 17712 */ 17713 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 17714 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 17715 boolean writeSettings) { 17716 if (deletedPs.parentPackageName != null) { 17717 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 17718 return false; 17719 } 17720 17721 final boolean applyUserRestrictions 17722 = (allUserHandles != null) && (outInfo.origUsers != null); 17723 final PackageSetting disabledPs; 17724 // Confirm if the system package has been updated 17725 // An updated system app can be deleted. This will also have to restore 17726 // the system pkg from system partition 17727 // reader 17728 synchronized (mPackages) { 17729 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 17730 } 17731 17732 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 17733 + " disabledPs=" + disabledPs); 17734 17735 if (disabledPs == null) { 17736 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 17737 return false; 17738 } else if (DEBUG_REMOVE) { 17739 Slog.d(TAG, "Deleting system pkg from data partition"); 17740 } 17741 17742 if (DEBUG_REMOVE) { 17743 if (applyUserRestrictions) { 17744 Slog.d(TAG, "Remembering install states:"); 17745 for (int userId : allUserHandles) { 17746 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 17747 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 17748 } 17749 } 17750 } 17751 17752 // Delete the updated package 17753 outInfo.isRemovedPackageSystemUpdate = true; 17754 if (outInfo.removedChildPackages != null) { 17755 final int childCount = (deletedPs.childPackageNames != null) 17756 ? deletedPs.childPackageNames.size() : 0; 17757 for (int i = 0; i < childCount; i++) { 17758 String childPackageName = deletedPs.childPackageNames.get(i); 17759 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 17760 .contains(childPackageName)) { 17761 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17762 childPackageName); 17763 if (childInfo != null) { 17764 childInfo.isRemovedPackageSystemUpdate = true; 17765 } 17766 } 17767 } 17768 } 17769 17770 if (disabledPs.versionCode < deletedPs.versionCode) { 17771 // Delete data for downgrades 17772 flags &= ~PackageManager.DELETE_KEEP_DATA; 17773 } else { 17774 // Preserve data by setting flag 17775 flags |= PackageManager.DELETE_KEEP_DATA; 17776 } 17777 17778 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 17779 outInfo, writeSettings, disabledPs.pkg); 17780 if (!ret) { 17781 return false; 17782 } 17783 17784 // writer 17785 synchronized (mPackages) { 17786 // Reinstate the old system package 17787 enableSystemPackageLPw(disabledPs.pkg); 17788 // Remove any native libraries from the upgraded package. 17789 removeNativeBinariesLI(deletedPs); 17790 } 17791 17792 // Install the system package 17793 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 17794 int parseFlags = mDefParseFlags 17795 | PackageParser.PARSE_MUST_BE_APK 17796 | PackageParser.PARSE_IS_SYSTEM 17797 | PackageParser.PARSE_IS_SYSTEM_DIR; 17798 if (locationIsPrivileged(disabledPs.codePath)) { 17799 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 17800 } 17801 17802 final PackageParser.Package newPkg; 17803 try { 17804 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 17805 0 /* currentTime */, null); 17806 } catch (PackageManagerException e) { 17807 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 17808 + e.getMessage()); 17809 return false; 17810 } 17811 17812 try { 17813 // update shared libraries for the newly re-installed system package 17814 updateSharedLibrariesLPr(newPkg, null); 17815 } catch (PackageManagerException e) { 17816 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 17817 } 17818 17819 prepareAppDataAfterInstallLIF(newPkg); 17820 17821 // writer 17822 synchronized (mPackages) { 17823 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 17824 17825 // Propagate the permissions state as we do not want to drop on the floor 17826 // runtime permissions. The update permissions method below will take 17827 // care of removing obsolete permissions and grant install permissions. 17828 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 17829 updatePermissionsLPw(newPkg.packageName, newPkg, 17830 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 17831 17832 if (applyUserRestrictions) { 17833 boolean installedStateChanged = false; 17834 if (DEBUG_REMOVE) { 17835 Slog.d(TAG, "Propagating install state across reinstall"); 17836 } 17837 for (int userId : allUserHandles) { 17838 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17839 if (DEBUG_REMOVE) { 17840 Slog.d(TAG, " user " + userId + " => " + installed); 17841 } 17842 if (installed != ps.getInstalled(userId)) { 17843 installedStateChanged = true; 17844 } 17845 ps.setInstalled(installed, userId); 17846 17847 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17848 } 17849 // Regardless of writeSettings we need to ensure that this restriction 17850 // state propagation is persisted 17851 mSettings.writeAllUsersPackageRestrictionsLPr(); 17852 if (installedStateChanged) { 17853 mSettings.writeKernelMappingLPr(ps); 17854 } 17855 } 17856 // can downgrade to reader here 17857 if (writeSettings) { 17858 mSettings.writeLPr(); 17859 } 17860 } 17861 return true; 17862 } 17863 17864 private boolean deleteInstalledPackageLIF(PackageSetting ps, 17865 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 17866 PackageRemovedInfo outInfo, boolean writeSettings, 17867 PackageParser.Package replacingPackage) { 17868 synchronized (mPackages) { 17869 if (outInfo != null) { 17870 outInfo.uid = ps.appId; 17871 } 17872 17873 if (outInfo != null && outInfo.removedChildPackages != null) { 17874 final int childCount = (ps.childPackageNames != null) 17875 ? ps.childPackageNames.size() : 0; 17876 for (int i = 0; i < childCount; i++) { 17877 String childPackageName = ps.childPackageNames.get(i); 17878 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 17879 if (childPs == null) { 17880 return false; 17881 } 17882 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17883 childPackageName); 17884 if (childInfo != null) { 17885 childInfo.uid = childPs.appId; 17886 } 17887 } 17888 } 17889 } 17890 17891 // Delete package data from internal structures and also remove data if flag is set 17892 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 17893 17894 // Delete the child packages data 17895 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 17896 for (int i = 0; i < childCount; i++) { 17897 PackageSetting childPs; 17898 synchronized (mPackages) { 17899 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 17900 } 17901 if (childPs != null) { 17902 PackageRemovedInfo childOutInfo = (outInfo != null 17903 && outInfo.removedChildPackages != null) 17904 ? outInfo.removedChildPackages.get(childPs.name) : null; 17905 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 17906 && (replacingPackage != null 17907 && !replacingPackage.hasChildPackage(childPs.name)) 17908 ? flags & ~DELETE_KEEP_DATA : flags; 17909 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 17910 deleteFlags, writeSettings); 17911 } 17912 } 17913 17914 // Delete application code and resources only for parent packages 17915 if (ps.parentPackageName == null) { 17916 if (deleteCodeAndResources && (outInfo != null)) { 17917 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 17918 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 17919 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 17920 } 17921 } 17922 17923 return true; 17924 } 17925 17926 @Override 17927 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 17928 int userId) { 17929 mContext.enforceCallingOrSelfPermission( 17930 android.Manifest.permission.DELETE_PACKAGES, null); 17931 synchronized (mPackages) { 17932 PackageSetting ps = mSettings.mPackages.get(packageName); 17933 if (ps == null) { 17934 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 17935 return false; 17936 } 17937 // Cannot block uninstall of static shared libs as they are 17938 // considered a part of the using app (emulating static linking). 17939 // Also static libs are installed always on internal storage. 17940 PackageParser.Package pkg = mPackages.get(packageName); 17941 if (pkg != null && pkg.staticSharedLibName != null) { 17942 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 17943 + " providing static shared library: " + pkg.staticSharedLibName); 17944 return false; 17945 } 17946 if (!ps.getInstalled(userId)) { 17947 // Can't block uninstall for an app that is not installed or enabled. 17948 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 17949 return false; 17950 } 17951 ps.setBlockUninstall(blockUninstall, userId); 17952 mSettings.writePackageRestrictionsLPr(userId); 17953 } 17954 return true; 17955 } 17956 17957 @Override 17958 public boolean getBlockUninstallForUser(String packageName, int userId) { 17959 synchronized (mPackages) { 17960 PackageSetting ps = mSettings.mPackages.get(packageName); 17961 if (ps == null) { 17962 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 17963 return false; 17964 } 17965 return ps.getBlockUninstall(userId); 17966 } 17967 } 17968 17969 @Override 17970 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 17971 int callingUid = Binder.getCallingUid(); 17972 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 17973 throw new SecurityException( 17974 "setRequiredForSystemUser can only be run by the system or root"); 17975 } 17976 synchronized (mPackages) { 17977 PackageSetting ps = mSettings.mPackages.get(packageName); 17978 if (ps == null) { 17979 Log.w(TAG, "Package doesn't exist: " + packageName); 17980 return false; 17981 } 17982 if (systemUserApp) { 17983 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 17984 } else { 17985 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 17986 } 17987 mSettings.writeLPr(); 17988 } 17989 return true; 17990 } 17991 17992 /* 17993 * This method handles package deletion in general 17994 */ 17995 private boolean deletePackageLIF(String packageName, UserHandle user, 17996 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 17997 PackageRemovedInfo outInfo, boolean writeSettings, 17998 PackageParser.Package replacingPackage) { 17999 if (packageName == null) { 18000 Slog.w(TAG, "Attempt to delete null packageName."); 18001 return false; 18002 } 18003 18004 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 18005 18006 PackageSetting ps; 18007 synchronized (mPackages) { 18008 ps = mSettings.mPackages.get(packageName); 18009 if (ps == null) { 18010 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18011 return false; 18012 } 18013 18014 if (ps.parentPackageName != null && (!isSystemApp(ps) 18015 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 18016 if (DEBUG_REMOVE) { 18017 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 18018 + ((user == null) ? UserHandle.USER_ALL : user)); 18019 } 18020 final int removedUserId = (user != null) ? user.getIdentifier() 18021 : UserHandle.USER_ALL; 18022 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 18023 return false; 18024 } 18025 markPackageUninstalledForUserLPw(ps, user); 18026 scheduleWritePackageRestrictionsLocked(user); 18027 return true; 18028 } 18029 } 18030 18031 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 18032 && user.getIdentifier() != UserHandle.USER_ALL)) { 18033 // The caller is asking that the package only be deleted for a single 18034 // user. To do this, we just mark its uninstalled state and delete 18035 // its data. If this is a system app, we only allow this to happen if 18036 // they have set the special DELETE_SYSTEM_APP which requests different 18037 // semantics than normal for uninstalling system apps. 18038 markPackageUninstalledForUserLPw(ps, user); 18039 18040 if (!isSystemApp(ps)) { 18041 // Do not uninstall the APK if an app should be cached 18042 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 18043 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 18044 // Other user still have this package installed, so all 18045 // we need to do is clear this user's data and save that 18046 // it is uninstalled. 18047 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 18048 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18049 return false; 18050 } 18051 scheduleWritePackageRestrictionsLocked(user); 18052 return true; 18053 } else { 18054 // We need to set it back to 'installed' so the uninstall 18055 // broadcasts will be sent correctly. 18056 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 18057 ps.setInstalled(true, user.getIdentifier()); 18058 mSettings.writeKernelMappingLPr(ps); 18059 } 18060 } else { 18061 // This is a system app, so we assume that the 18062 // other users still have this package installed, so all 18063 // we need to do is clear this user's data and save that 18064 // it is uninstalled. 18065 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 18066 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18067 return false; 18068 } 18069 scheduleWritePackageRestrictionsLocked(user); 18070 return true; 18071 } 18072 } 18073 18074 // If we are deleting a composite package for all users, keep track 18075 // of result for each child. 18076 if (ps.childPackageNames != null && outInfo != null) { 18077 synchronized (mPackages) { 18078 final int childCount = ps.childPackageNames.size(); 18079 outInfo.removedChildPackages = new ArrayMap<>(childCount); 18080 for (int i = 0; i < childCount; i++) { 18081 String childPackageName = ps.childPackageNames.get(i); 18082 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 18083 childInfo.removedPackage = childPackageName; 18084 outInfo.removedChildPackages.put(childPackageName, childInfo); 18085 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18086 if (childPs != null) { 18087 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 18088 } 18089 } 18090 } 18091 } 18092 18093 boolean ret = false; 18094 if (isSystemApp(ps)) { 18095 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 18096 // When an updated system application is deleted we delete the existing resources 18097 // as well and fall back to existing code in system partition 18098 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 18099 } else { 18100 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 18101 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 18102 outInfo, writeSettings, replacingPackage); 18103 } 18104 18105 // Take a note whether we deleted the package for all users 18106 if (outInfo != null) { 18107 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 18108 if (outInfo.removedChildPackages != null) { 18109 synchronized (mPackages) { 18110 final int childCount = outInfo.removedChildPackages.size(); 18111 for (int i = 0; i < childCount; i++) { 18112 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 18113 if (childInfo != null) { 18114 childInfo.removedForAllUsers = mPackages.get( 18115 childInfo.removedPackage) == null; 18116 } 18117 } 18118 } 18119 } 18120 // If we uninstalled an update to a system app there may be some 18121 // child packages that appeared as they are declared in the system 18122 // app but were not declared in the update. 18123 if (isSystemApp(ps)) { 18124 synchronized (mPackages) { 18125 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 18126 final int childCount = (updatedPs.childPackageNames != null) 18127 ? updatedPs.childPackageNames.size() : 0; 18128 for (int i = 0; i < childCount; i++) { 18129 String childPackageName = updatedPs.childPackageNames.get(i); 18130 if (outInfo.removedChildPackages == null 18131 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 18132 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18133 if (childPs == null) { 18134 continue; 18135 } 18136 PackageInstalledInfo installRes = new PackageInstalledInfo(); 18137 installRes.name = childPackageName; 18138 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 18139 installRes.pkg = mPackages.get(childPackageName); 18140 installRes.uid = childPs.pkg.applicationInfo.uid; 18141 if (outInfo.appearedChildPackages == null) { 18142 outInfo.appearedChildPackages = new ArrayMap<>(); 18143 } 18144 outInfo.appearedChildPackages.put(childPackageName, installRes); 18145 } 18146 } 18147 } 18148 } 18149 } 18150 18151 return ret; 18152 } 18153 18154 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 18155 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 18156 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 18157 for (int nextUserId : userIds) { 18158 if (DEBUG_REMOVE) { 18159 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 18160 } 18161 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 18162 false /*installed*/, 18163 true /*stopped*/, 18164 true /*notLaunched*/, 18165 false /*hidden*/, 18166 false /*suspended*/, 18167 false /*instantApp*/, 18168 null /*lastDisableAppCaller*/, 18169 null /*enabledComponents*/, 18170 null /*disabledComponents*/, 18171 false /*blockUninstall*/, 18172 ps.readUserState(nextUserId).domainVerificationStatus, 18173 0, PackageManager.INSTALL_REASON_UNKNOWN); 18174 } 18175 mSettings.writeKernelMappingLPr(ps); 18176 } 18177 18178 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 18179 PackageRemovedInfo outInfo) { 18180 final PackageParser.Package pkg; 18181 synchronized (mPackages) { 18182 pkg = mPackages.get(ps.name); 18183 } 18184 18185 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 18186 : new int[] {userId}; 18187 for (int nextUserId : userIds) { 18188 if (DEBUG_REMOVE) { 18189 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 18190 + nextUserId); 18191 } 18192 18193 destroyAppDataLIF(pkg, userId, 18194 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18195 destroyAppProfilesLIF(pkg, userId); 18196 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 18197 schedulePackageCleaning(ps.name, nextUserId, false); 18198 synchronized (mPackages) { 18199 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 18200 scheduleWritePackageRestrictionsLocked(nextUserId); 18201 } 18202 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 18203 } 18204 } 18205 18206 if (outInfo != null) { 18207 outInfo.removedPackage = ps.name; 18208 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 18209 outInfo.removedAppId = ps.appId; 18210 outInfo.removedUsers = userIds; 18211 } 18212 18213 return true; 18214 } 18215 18216 private final class ClearStorageConnection implements ServiceConnection { 18217 IMediaContainerService mContainerService; 18218 18219 @Override 18220 public void onServiceConnected(ComponentName name, IBinder service) { 18221 synchronized (this) { 18222 mContainerService = IMediaContainerService.Stub 18223 .asInterface(Binder.allowBlocking(service)); 18224 notifyAll(); 18225 } 18226 } 18227 18228 @Override 18229 public void onServiceDisconnected(ComponentName name) { 18230 } 18231 } 18232 18233 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 18234 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 18235 18236 final boolean mounted; 18237 if (Environment.isExternalStorageEmulated()) { 18238 mounted = true; 18239 } else { 18240 final String status = Environment.getExternalStorageState(); 18241 18242 mounted = status.equals(Environment.MEDIA_MOUNTED) 18243 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 18244 } 18245 18246 if (!mounted) { 18247 return; 18248 } 18249 18250 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 18251 int[] users; 18252 if (userId == UserHandle.USER_ALL) { 18253 users = sUserManager.getUserIds(); 18254 } else { 18255 users = new int[] { userId }; 18256 } 18257 final ClearStorageConnection conn = new ClearStorageConnection(); 18258 if (mContext.bindServiceAsUser( 18259 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 18260 try { 18261 for (int curUser : users) { 18262 long timeout = SystemClock.uptimeMillis() + 5000; 18263 synchronized (conn) { 18264 long now; 18265 while (conn.mContainerService == null && 18266 (now = SystemClock.uptimeMillis()) < timeout) { 18267 try { 18268 conn.wait(timeout - now); 18269 } catch (InterruptedException e) { 18270 } 18271 } 18272 } 18273 if (conn.mContainerService == null) { 18274 return; 18275 } 18276 18277 final UserEnvironment userEnv = new UserEnvironment(curUser); 18278 clearDirectory(conn.mContainerService, 18279 userEnv.buildExternalStorageAppCacheDirs(packageName)); 18280 if (allData) { 18281 clearDirectory(conn.mContainerService, 18282 userEnv.buildExternalStorageAppDataDirs(packageName)); 18283 clearDirectory(conn.mContainerService, 18284 userEnv.buildExternalStorageAppMediaDirs(packageName)); 18285 } 18286 } 18287 } finally { 18288 mContext.unbindService(conn); 18289 } 18290 } 18291 } 18292 18293 @Override 18294 public void clearApplicationProfileData(String packageName) { 18295 enforceSystemOrRoot("Only the system can clear all profile data"); 18296 18297 final PackageParser.Package pkg; 18298 synchronized (mPackages) { 18299 pkg = mPackages.get(packageName); 18300 } 18301 18302 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 18303 synchronized (mInstallLock) { 18304 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 18305 } 18306 } 18307 } 18308 18309 @Override 18310 public void clearApplicationUserData(final String packageName, 18311 final IPackageDataObserver observer, final int userId) { 18312 mContext.enforceCallingOrSelfPermission( 18313 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 18314 18315 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18316 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 18317 18318 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 18319 throw new SecurityException("Cannot clear data for a protected package: " 18320 + packageName); 18321 } 18322 // Queue up an async operation since the package deletion may take a little while. 18323 mHandler.post(new Runnable() { 18324 public void run() { 18325 mHandler.removeCallbacks(this); 18326 final boolean succeeded; 18327 try (PackageFreezer freezer = freezePackage(packageName, 18328 "clearApplicationUserData")) { 18329 synchronized (mInstallLock) { 18330 succeeded = clearApplicationUserDataLIF(packageName, userId); 18331 } 18332 clearExternalStorageDataSync(packageName, userId, true); 18333 synchronized (mPackages) { 18334 mInstantAppRegistry.deleteInstantApplicationMetadataLPw( 18335 packageName, userId); 18336 } 18337 } 18338 if (succeeded) { 18339 // invoke DeviceStorageMonitor's update method to clear any notifications 18340 DeviceStorageMonitorInternal dsm = LocalServices 18341 .getService(DeviceStorageMonitorInternal.class); 18342 if (dsm != null) { 18343 dsm.checkMemory(); 18344 } 18345 } 18346 if(observer != null) { 18347 try { 18348 observer.onRemoveCompleted(packageName, succeeded); 18349 } catch (RemoteException e) { 18350 Log.i(TAG, "Observer no longer exists."); 18351 } 18352 } //end if observer 18353 } //end run 18354 }); 18355 } 18356 18357 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 18358 if (packageName == null) { 18359 Slog.w(TAG, "Attempt to delete null packageName."); 18360 return false; 18361 } 18362 18363 // Try finding details about the requested package 18364 PackageParser.Package pkg; 18365 synchronized (mPackages) { 18366 pkg = mPackages.get(packageName); 18367 if (pkg == null) { 18368 final PackageSetting ps = mSettings.mPackages.get(packageName); 18369 if (ps != null) { 18370 pkg = ps.pkg; 18371 } 18372 } 18373 18374 if (pkg == null) { 18375 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18376 return false; 18377 } 18378 18379 PackageSetting ps = (PackageSetting) pkg.mExtras; 18380 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18381 } 18382 18383 clearAppDataLIF(pkg, userId, 18384 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18385 18386 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18387 removeKeystoreDataIfNeeded(userId, appId); 18388 18389 UserManagerInternal umInternal = getUserManagerInternal(); 18390 final int flags; 18391 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 18392 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18393 } else if (umInternal.isUserRunning(userId)) { 18394 flags = StorageManager.FLAG_STORAGE_DE; 18395 } else { 18396 flags = 0; 18397 } 18398 prepareAppDataContentsLIF(pkg, userId, flags); 18399 18400 return true; 18401 } 18402 18403 /** 18404 * Reverts user permission state changes (permissions and flags) in 18405 * all packages for a given user. 18406 * 18407 * @param userId The device user for which to do a reset. 18408 */ 18409 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 18410 final int packageCount = mPackages.size(); 18411 for (int i = 0; i < packageCount; i++) { 18412 PackageParser.Package pkg = mPackages.valueAt(i); 18413 PackageSetting ps = (PackageSetting) pkg.mExtras; 18414 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18415 } 18416 } 18417 18418 private void resetNetworkPolicies(int userId) { 18419 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 18420 } 18421 18422 /** 18423 * Reverts user permission state changes (permissions and flags). 18424 * 18425 * @param ps The package for which to reset. 18426 * @param userId The device user for which to do a reset. 18427 */ 18428 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 18429 final PackageSetting ps, final int userId) { 18430 if (ps.pkg == null) { 18431 return; 18432 } 18433 18434 // These are flags that can change base on user actions. 18435 final int userSettableMask = FLAG_PERMISSION_USER_SET 18436 | FLAG_PERMISSION_USER_FIXED 18437 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 18438 | FLAG_PERMISSION_REVIEW_REQUIRED; 18439 18440 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 18441 | FLAG_PERMISSION_POLICY_FIXED; 18442 18443 boolean writeInstallPermissions = false; 18444 boolean writeRuntimePermissions = false; 18445 18446 final int permissionCount = ps.pkg.requestedPermissions.size(); 18447 for (int i = 0; i < permissionCount; i++) { 18448 String permission = ps.pkg.requestedPermissions.get(i); 18449 18450 BasePermission bp = mSettings.mPermissions.get(permission); 18451 if (bp == null) { 18452 continue; 18453 } 18454 18455 // If shared user we just reset the state to which only this app contributed. 18456 if (ps.sharedUser != null) { 18457 boolean used = false; 18458 final int packageCount = ps.sharedUser.packages.size(); 18459 for (int j = 0; j < packageCount; j++) { 18460 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 18461 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 18462 && pkg.pkg.requestedPermissions.contains(permission)) { 18463 used = true; 18464 break; 18465 } 18466 } 18467 if (used) { 18468 continue; 18469 } 18470 } 18471 18472 PermissionsState permissionsState = ps.getPermissionsState(); 18473 18474 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 18475 18476 // Always clear the user settable flags. 18477 final boolean hasInstallState = permissionsState.getInstallPermissionState( 18478 bp.name) != null; 18479 // If permission review is enabled and this is a legacy app, mark the 18480 // permission as requiring a review as this is the initial state. 18481 int flags = 0; 18482 if (mPermissionReviewRequired 18483 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 18484 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 18485 } 18486 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 18487 if (hasInstallState) { 18488 writeInstallPermissions = true; 18489 } else { 18490 writeRuntimePermissions = true; 18491 } 18492 } 18493 18494 // Below is only runtime permission handling. 18495 if (!bp.isRuntime()) { 18496 continue; 18497 } 18498 18499 // Never clobber system or policy. 18500 if ((oldFlags & policyOrSystemFlags) != 0) { 18501 continue; 18502 } 18503 18504 // If this permission was granted by default, make sure it is. 18505 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 18506 if (permissionsState.grantRuntimePermission(bp, userId) 18507 != PERMISSION_OPERATION_FAILURE) { 18508 writeRuntimePermissions = true; 18509 } 18510 // If permission review is enabled the permissions for a legacy apps 18511 // are represented as constantly granted runtime ones, so don't revoke. 18512 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 18513 // Otherwise, reset the permission. 18514 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 18515 switch (revokeResult) { 18516 case PERMISSION_OPERATION_SUCCESS: 18517 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 18518 writeRuntimePermissions = true; 18519 final int appId = ps.appId; 18520 mHandler.post(new Runnable() { 18521 @Override 18522 public void run() { 18523 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 18524 } 18525 }); 18526 } break; 18527 } 18528 } 18529 } 18530 18531 // Synchronously write as we are taking permissions away. 18532 if (writeRuntimePermissions) { 18533 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 18534 } 18535 18536 // Synchronously write as we are taking permissions away. 18537 if (writeInstallPermissions) { 18538 mSettings.writeLPr(); 18539 } 18540 } 18541 18542 /** 18543 * Remove entries from the keystore daemon. Will only remove it if the 18544 * {@code appId} is valid. 18545 */ 18546 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 18547 if (appId < 0) { 18548 return; 18549 } 18550 18551 final KeyStore keyStore = KeyStore.getInstance(); 18552 if (keyStore != null) { 18553 if (userId == UserHandle.USER_ALL) { 18554 for (final int individual : sUserManager.getUserIds()) { 18555 keyStore.clearUid(UserHandle.getUid(individual, appId)); 18556 } 18557 } else { 18558 keyStore.clearUid(UserHandle.getUid(userId, appId)); 18559 } 18560 } else { 18561 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 18562 } 18563 } 18564 18565 @Override 18566 public void deleteApplicationCacheFiles(final String packageName, 18567 final IPackageDataObserver observer) { 18568 final int userId = UserHandle.getCallingUserId(); 18569 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 18570 } 18571 18572 @Override 18573 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 18574 final IPackageDataObserver observer) { 18575 mContext.enforceCallingOrSelfPermission( 18576 android.Manifest.permission.DELETE_CACHE_FILES, null); 18577 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18578 /* requireFullPermission= */ true, /* checkShell= */ false, 18579 "delete application cache files"); 18580 18581 final PackageParser.Package pkg; 18582 synchronized (mPackages) { 18583 pkg = mPackages.get(packageName); 18584 } 18585 18586 // Queue up an async operation since the package deletion may take a little while. 18587 mHandler.post(new Runnable() { 18588 public void run() { 18589 synchronized (mInstallLock) { 18590 final int flags = StorageManager.FLAG_STORAGE_DE 18591 | StorageManager.FLAG_STORAGE_CE; 18592 // We're only clearing cache files, so we don't care if the 18593 // app is unfrozen and still able to run 18594 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 18595 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18596 } 18597 clearExternalStorageDataSync(packageName, userId, false); 18598 if (observer != null) { 18599 try { 18600 observer.onRemoveCompleted(packageName, true); 18601 } catch (RemoteException e) { 18602 Log.i(TAG, "Observer no longer exists."); 18603 } 18604 } 18605 } 18606 }); 18607 } 18608 18609 @Override 18610 public void getPackageSizeInfo(final String packageName, int userHandle, 18611 final IPackageStatsObserver observer) { 18612 throw new UnsupportedOperationException( 18613 "Shame on you for calling the hidden API getPackageSizeInfo(). Shame!"); 18614 } 18615 18616 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 18617 final PackageSetting ps; 18618 synchronized (mPackages) { 18619 ps = mSettings.mPackages.get(packageName); 18620 if (ps == null) { 18621 Slog.w(TAG, "Failed to find settings for " + packageName); 18622 return false; 18623 } 18624 } 18625 18626 final String[] packageNames = { packageName }; 18627 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 18628 final String[] codePaths = { ps.codePathString }; 18629 18630 try { 18631 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 18632 ps.appId, ceDataInodes, codePaths, stats); 18633 18634 // For now, ignore code size of packages on system partition 18635 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 18636 stats.codeSize = 0; 18637 } 18638 18639 // External clients expect these to be tracked separately 18640 stats.dataSize -= stats.cacheSize; 18641 18642 } catch (InstallerException e) { 18643 Slog.w(TAG, String.valueOf(e)); 18644 return false; 18645 } 18646 18647 return true; 18648 } 18649 18650 private int getUidTargetSdkVersionLockedLPr(int uid) { 18651 Object obj = mSettings.getUserIdLPr(uid); 18652 if (obj instanceof SharedUserSetting) { 18653 final SharedUserSetting sus = (SharedUserSetting) obj; 18654 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 18655 final Iterator<PackageSetting> it = sus.packages.iterator(); 18656 while (it.hasNext()) { 18657 final PackageSetting ps = it.next(); 18658 if (ps.pkg != null) { 18659 int v = ps.pkg.applicationInfo.targetSdkVersion; 18660 if (v < vers) vers = v; 18661 } 18662 } 18663 return vers; 18664 } else if (obj instanceof PackageSetting) { 18665 final PackageSetting ps = (PackageSetting) obj; 18666 if (ps.pkg != null) { 18667 return ps.pkg.applicationInfo.targetSdkVersion; 18668 } 18669 } 18670 return Build.VERSION_CODES.CUR_DEVELOPMENT; 18671 } 18672 18673 @Override 18674 public void addPreferredActivity(IntentFilter filter, int match, 18675 ComponentName[] set, ComponentName activity, int userId) { 18676 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18677 "Adding preferred"); 18678 } 18679 18680 private void addPreferredActivityInternal(IntentFilter filter, int match, 18681 ComponentName[] set, ComponentName activity, boolean always, int userId, 18682 String opname) { 18683 // writer 18684 int callingUid = Binder.getCallingUid(); 18685 enforceCrossUserPermission(callingUid, userId, 18686 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 18687 if (filter.countActions() == 0) { 18688 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18689 return; 18690 } 18691 synchronized (mPackages) { 18692 if (mContext.checkCallingOrSelfPermission( 18693 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18694 != PackageManager.PERMISSION_GRANTED) { 18695 if (getUidTargetSdkVersionLockedLPr(callingUid) 18696 < Build.VERSION_CODES.FROYO) { 18697 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 18698 + callingUid); 18699 return; 18700 } 18701 mContext.enforceCallingOrSelfPermission( 18702 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18703 } 18704 18705 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 18706 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 18707 + userId + ":"); 18708 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18709 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 18710 scheduleWritePackageRestrictionsLocked(userId); 18711 postPreferredActivityChangedBroadcast(userId); 18712 } 18713 } 18714 18715 private void postPreferredActivityChangedBroadcast(int userId) { 18716 mHandler.post(() -> { 18717 final IActivityManager am = ActivityManager.getService(); 18718 if (am == null) { 18719 return; 18720 } 18721 18722 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 18723 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18724 try { 18725 am.broadcastIntent(null, intent, null, null, 18726 0, null, null, null, android.app.AppOpsManager.OP_NONE, 18727 null, false, false, userId); 18728 } catch (RemoteException e) { 18729 } 18730 }); 18731 } 18732 18733 @Override 18734 public void replacePreferredActivity(IntentFilter filter, int match, 18735 ComponentName[] set, ComponentName activity, int userId) { 18736 if (filter.countActions() != 1) { 18737 throw new IllegalArgumentException( 18738 "replacePreferredActivity expects filter to have only 1 action."); 18739 } 18740 if (filter.countDataAuthorities() != 0 18741 || filter.countDataPaths() != 0 18742 || filter.countDataSchemes() > 1 18743 || filter.countDataTypes() != 0) { 18744 throw new IllegalArgumentException( 18745 "replacePreferredActivity expects filter to have no data authorities, " + 18746 "paths, or types; and at most one scheme."); 18747 } 18748 18749 final int callingUid = Binder.getCallingUid(); 18750 enforceCrossUserPermission(callingUid, userId, 18751 true /* requireFullPermission */, false /* checkShell */, 18752 "replace preferred activity"); 18753 synchronized (mPackages) { 18754 if (mContext.checkCallingOrSelfPermission( 18755 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18756 != PackageManager.PERMISSION_GRANTED) { 18757 if (getUidTargetSdkVersionLockedLPr(callingUid) 18758 < Build.VERSION_CODES.FROYO) { 18759 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 18760 + Binder.getCallingUid()); 18761 return; 18762 } 18763 mContext.enforceCallingOrSelfPermission( 18764 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18765 } 18766 18767 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18768 if (pir != null) { 18769 // Get all of the existing entries that exactly match this filter. 18770 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 18771 if (existing != null && existing.size() == 1) { 18772 PreferredActivity cur = existing.get(0); 18773 if (DEBUG_PREFERRED) { 18774 Slog.i(TAG, "Checking replace of preferred:"); 18775 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18776 if (!cur.mPref.mAlways) { 18777 Slog.i(TAG, " -- CUR; not mAlways!"); 18778 } else { 18779 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 18780 Slog.i(TAG, " -- CUR: mSet=" 18781 + Arrays.toString(cur.mPref.mSetComponents)); 18782 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 18783 Slog.i(TAG, " -- NEW: mMatch=" 18784 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 18785 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 18786 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 18787 } 18788 } 18789 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 18790 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 18791 && cur.mPref.sameSet(set)) { 18792 // Setting the preferred activity to what it happens to be already 18793 if (DEBUG_PREFERRED) { 18794 Slog.i(TAG, "Replacing with same preferred activity " 18795 + cur.mPref.mShortComponent + " for user " 18796 + userId + ":"); 18797 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18798 } 18799 return; 18800 } 18801 } 18802 18803 if (existing != null) { 18804 if (DEBUG_PREFERRED) { 18805 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 18806 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18807 } 18808 for (int i = 0; i < existing.size(); i++) { 18809 PreferredActivity pa = existing.get(i); 18810 if (DEBUG_PREFERRED) { 18811 Slog.i(TAG, "Removing existing preferred activity " 18812 + pa.mPref.mComponent + ":"); 18813 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 18814 } 18815 pir.removeFilter(pa); 18816 } 18817 } 18818 } 18819 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18820 "Replacing preferred"); 18821 } 18822 } 18823 18824 @Override 18825 public void clearPackagePreferredActivities(String packageName) { 18826 final int uid = Binder.getCallingUid(); 18827 // writer 18828 synchronized (mPackages) { 18829 PackageParser.Package pkg = mPackages.get(packageName); 18830 if (pkg == null || pkg.applicationInfo.uid != uid) { 18831 if (mContext.checkCallingOrSelfPermission( 18832 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18833 != PackageManager.PERMISSION_GRANTED) { 18834 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 18835 < Build.VERSION_CODES.FROYO) { 18836 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 18837 + Binder.getCallingUid()); 18838 return; 18839 } 18840 mContext.enforceCallingOrSelfPermission( 18841 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18842 } 18843 } 18844 18845 int user = UserHandle.getCallingUserId(); 18846 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 18847 scheduleWritePackageRestrictionsLocked(user); 18848 } 18849 } 18850 } 18851 18852 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18853 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 18854 ArrayList<PreferredActivity> removed = null; 18855 boolean changed = false; 18856 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18857 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 18858 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18859 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 18860 continue; 18861 } 18862 Iterator<PreferredActivity> it = pir.filterIterator(); 18863 while (it.hasNext()) { 18864 PreferredActivity pa = it.next(); 18865 // Mark entry for removal only if it matches the package name 18866 // and the entry is of type "always". 18867 if (packageName == null || 18868 (pa.mPref.mComponent.getPackageName().equals(packageName) 18869 && pa.mPref.mAlways)) { 18870 if (removed == null) { 18871 removed = new ArrayList<PreferredActivity>(); 18872 } 18873 removed.add(pa); 18874 } 18875 } 18876 if (removed != null) { 18877 for (int j=0; j<removed.size(); j++) { 18878 PreferredActivity pa = removed.get(j); 18879 pir.removeFilter(pa); 18880 } 18881 changed = true; 18882 } 18883 } 18884 if (changed) { 18885 postPreferredActivityChangedBroadcast(userId); 18886 } 18887 return changed; 18888 } 18889 18890 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18891 private void clearIntentFilterVerificationsLPw(int userId) { 18892 final int packageCount = mPackages.size(); 18893 for (int i = 0; i < packageCount; i++) { 18894 PackageParser.Package pkg = mPackages.valueAt(i); 18895 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 18896 } 18897 } 18898 18899 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18900 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 18901 if (userId == UserHandle.USER_ALL) { 18902 if (mSettings.removeIntentFilterVerificationLPw(packageName, 18903 sUserManager.getUserIds())) { 18904 for (int oneUserId : sUserManager.getUserIds()) { 18905 scheduleWritePackageRestrictionsLocked(oneUserId); 18906 } 18907 } 18908 } else { 18909 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 18910 scheduleWritePackageRestrictionsLocked(userId); 18911 } 18912 } 18913 } 18914 18915 void clearDefaultBrowserIfNeeded(String packageName) { 18916 for (int oneUserId : sUserManager.getUserIds()) { 18917 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 18918 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 18919 if (packageName.equals(defaultBrowserPackageName)) { 18920 setDefaultBrowserPackageName(null, oneUserId); 18921 } 18922 } 18923 } 18924 18925 @Override 18926 public void resetApplicationPreferences(int userId) { 18927 mContext.enforceCallingOrSelfPermission( 18928 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18929 final long identity = Binder.clearCallingIdentity(); 18930 // writer 18931 try { 18932 synchronized (mPackages) { 18933 clearPackagePreferredActivitiesLPw(null, userId); 18934 mSettings.applyDefaultPreferredAppsLPw(this, userId); 18935 // TODO: We have to reset the default SMS and Phone. This requires 18936 // significant refactoring to keep all default apps in the package 18937 // manager (cleaner but more work) or have the services provide 18938 // callbacks to the package manager to request a default app reset. 18939 applyFactoryDefaultBrowserLPw(userId); 18940 clearIntentFilterVerificationsLPw(userId); 18941 primeDomainVerificationsLPw(userId); 18942 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 18943 scheduleWritePackageRestrictionsLocked(userId); 18944 } 18945 resetNetworkPolicies(userId); 18946 } finally { 18947 Binder.restoreCallingIdentity(identity); 18948 } 18949 } 18950 18951 @Override 18952 public int getPreferredActivities(List<IntentFilter> outFilters, 18953 List<ComponentName> outActivities, String packageName) { 18954 18955 int num = 0; 18956 final int userId = UserHandle.getCallingUserId(); 18957 // reader 18958 synchronized (mPackages) { 18959 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18960 if (pir != null) { 18961 final Iterator<PreferredActivity> it = pir.filterIterator(); 18962 while (it.hasNext()) { 18963 final PreferredActivity pa = it.next(); 18964 if (packageName == null 18965 || (pa.mPref.mComponent.getPackageName().equals(packageName) 18966 && pa.mPref.mAlways)) { 18967 if (outFilters != null) { 18968 outFilters.add(new IntentFilter(pa)); 18969 } 18970 if (outActivities != null) { 18971 outActivities.add(pa.mPref.mComponent); 18972 } 18973 } 18974 } 18975 } 18976 } 18977 18978 return num; 18979 } 18980 18981 @Override 18982 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 18983 int userId) { 18984 int callingUid = Binder.getCallingUid(); 18985 if (callingUid != Process.SYSTEM_UID) { 18986 throw new SecurityException( 18987 "addPersistentPreferredActivity can only be run by the system"); 18988 } 18989 if (filter.countActions() == 0) { 18990 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18991 return; 18992 } 18993 synchronized (mPackages) { 18994 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 18995 ":"); 18996 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18997 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 18998 new PersistentPreferredActivity(filter, activity)); 18999 scheduleWritePackageRestrictionsLocked(userId); 19000 postPreferredActivityChangedBroadcast(userId); 19001 } 19002 } 19003 19004 @Override 19005 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 19006 int callingUid = Binder.getCallingUid(); 19007 if (callingUid != Process.SYSTEM_UID) { 19008 throw new SecurityException( 19009 "clearPackagePersistentPreferredActivities can only be run by the system"); 19010 } 19011 ArrayList<PersistentPreferredActivity> removed = null; 19012 boolean changed = false; 19013 synchronized (mPackages) { 19014 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 19015 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 19016 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 19017 .valueAt(i); 19018 if (userId != thisUserId) { 19019 continue; 19020 } 19021 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 19022 while (it.hasNext()) { 19023 PersistentPreferredActivity ppa = it.next(); 19024 // Mark entry for removal only if it matches the package name. 19025 if (ppa.mComponent.getPackageName().equals(packageName)) { 19026 if (removed == null) { 19027 removed = new ArrayList<PersistentPreferredActivity>(); 19028 } 19029 removed.add(ppa); 19030 } 19031 } 19032 if (removed != null) { 19033 for (int j=0; j<removed.size(); j++) { 19034 PersistentPreferredActivity ppa = removed.get(j); 19035 ppir.removeFilter(ppa); 19036 } 19037 changed = true; 19038 } 19039 } 19040 19041 if (changed) { 19042 scheduleWritePackageRestrictionsLocked(userId); 19043 postPreferredActivityChangedBroadcast(userId); 19044 } 19045 } 19046 } 19047 19048 /** 19049 * Common machinery for picking apart a restored XML blob and passing 19050 * it to a caller-supplied functor to be applied to the running system. 19051 */ 19052 private void restoreFromXml(XmlPullParser parser, int userId, 19053 String expectedStartTag, BlobXmlRestorer functor) 19054 throws IOException, XmlPullParserException { 19055 int type; 19056 while ((type = parser.next()) != XmlPullParser.START_TAG 19057 && type != XmlPullParser.END_DOCUMENT) { 19058 } 19059 if (type != XmlPullParser.START_TAG) { 19060 // oops didn't find a start tag?! 19061 if (DEBUG_BACKUP) { 19062 Slog.e(TAG, "Didn't find start tag during restore"); 19063 } 19064 return; 19065 } 19066Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 19067 // this is supposed to be TAG_PREFERRED_BACKUP 19068 if (!expectedStartTag.equals(parser.getName())) { 19069 if (DEBUG_BACKUP) { 19070 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 19071 } 19072 return; 19073 } 19074 19075 // skip interfering stuff, then we're aligned with the backing implementation 19076 while ((type = parser.next()) == XmlPullParser.TEXT) { } 19077Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 19078 functor.apply(parser, userId); 19079 } 19080 19081 private interface BlobXmlRestorer { 19082 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 19083 } 19084 19085 /** 19086 * Non-Binder method, support for the backup/restore mechanism: write the 19087 * full set of preferred activities in its canonical XML format. Returns the 19088 * XML output as a byte array, or null if there is none. 19089 */ 19090 @Override 19091 public byte[] getPreferredActivityBackup(int userId) { 19092 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19093 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 19094 } 19095 19096 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19097 try { 19098 final XmlSerializer serializer = new FastXmlSerializer(); 19099 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19100 serializer.startDocument(null, true); 19101 serializer.startTag(null, TAG_PREFERRED_BACKUP); 19102 19103 synchronized (mPackages) { 19104 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 19105 } 19106 19107 serializer.endTag(null, TAG_PREFERRED_BACKUP); 19108 serializer.endDocument(); 19109 serializer.flush(); 19110 } catch (Exception e) { 19111 if (DEBUG_BACKUP) { 19112 Slog.e(TAG, "Unable to write preferred activities for backup", e); 19113 } 19114 return null; 19115 } 19116 19117 return dataStream.toByteArray(); 19118 } 19119 19120 @Override 19121 public void restorePreferredActivities(byte[] backup, int userId) { 19122 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19123 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19124 } 19125 19126 try { 19127 final XmlPullParser parser = Xml.newPullParser(); 19128 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19129 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 19130 new BlobXmlRestorer() { 19131 @Override 19132 public void apply(XmlPullParser parser, int userId) 19133 throws XmlPullParserException, IOException { 19134 synchronized (mPackages) { 19135 mSettings.readPreferredActivitiesLPw(parser, userId); 19136 } 19137 } 19138 } ); 19139 } catch (Exception e) { 19140 if (DEBUG_BACKUP) { 19141 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19142 } 19143 } 19144 } 19145 19146 /** 19147 * Non-Binder method, support for the backup/restore mechanism: write the 19148 * default browser (etc) settings in its canonical XML format. Returns the default 19149 * browser XML representation as a byte array, or null if there is none. 19150 */ 19151 @Override 19152 public byte[] getDefaultAppsBackup(int userId) { 19153 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19154 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 19155 } 19156 19157 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19158 try { 19159 final XmlSerializer serializer = new FastXmlSerializer(); 19160 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19161 serializer.startDocument(null, true); 19162 serializer.startTag(null, TAG_DEFAULT_APPS); 19163 19164 synchronized (mPackages) { 19165 mSettings.writeDefaultAppsLPr(serializer, userId); 19166 } 19167 19168 serializer.endTag(null, TAG_DEFAULT_APPS); 19169 serializer.endDocument(); 19170 serializer.flush(); 19171 } catch (Exception e) { 19172 if (DEBUG_BACKUP) { 19173 Slog.e(TAG, "Unable to write default apps for backup", e); 19174 } 19175 return null; 19176 } 19177 19178 return dataStream.toByteArray(); 19179 } 19180 19181 @Override 19182 public void restoreDefaultApps(byte[] backup, int userId) { 19183 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19184 throw new SecurityException("Only the system may call restoreDefaultApps()"); 19185 } 19186 19187 try { 19188 final XmlPullParser parser = Xml.newPullParser(); 19189 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19190 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 19191 new BlobXmlRestorer() { 19192 @Override 19193 public void apply(XmlPullParser parser, int userId) 19194 throws XmlPullParserException, IOException { 19195 synchronized (mPackages) { 19196 mSettings.readDefaultAppsLPw(parser, userId); 19197 } 19198 } 19199 } ); 19200 } catch (Exception e) { 19201 if (DEBUG_BACKUP) { 19202 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 19203 } 19204 } 19205 } 19206 19207 @Override 19208 public byte[] getIntentFilterVerificationBackup(int userId) { 19209 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19210 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 19211 } 19212 19213 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19214 try { 19215 final XmlSerializer serializer = new FastXmlSerializer(); 19216 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19217 serializer.startDocument(null, true); 19218 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 19219 19220 synchronized (mPackages) { 19221 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 19222 } 19223 19224 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 19225 serializer.endDocument(); 19226 serializer.flush(); 19227 } catch (Exception e) { 19228 if (DEBUG_BACKUP) { 19229 Slog.e(TAG, "Unable to write default apps for backup", e); 19230 } 19231 return null; 19232 } 19233 19234 return dataStream.toByteArray(); 19235 } 19236 19237 @Override 19238 public void restoreIntentFilterVerification(byte[] backup, int userId) { 19239 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19240 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19241 } 19242 19243 try { 19244 final XmlPullParser parser = Xml.newPullParser(); 19245 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19246 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 19247 new BlobXmlRestorer() { 19248 @Override 19249 public void apply(XmlPullParser parser, int userId) 19250 throws XmlPullParserException, IOException { 19251 synchronized (mPackages) { 19252 mSettings.readAllDomainVerificationsLPr(parser, userId); 19253 mSettings.writeLPr(); 19254 } 19255 } 19256 } ); 19257 } catch (Exception e) { 19258 if (DEBUG_BACKUP) { 19259 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19260 } 19261 } 19262 } 19263 19264 @Override 19265 public byte[] getPermissionGrantBackup(int userId) { 19266 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19267 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 19268 } 19269 19270 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19271 try { 19272 final XmlSerializer serializer = new FastXmlSerializer(); 19273 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19274 serializer.startDocument(null, true); 19275 serializer.startTag(null, TAG_PERMISSION_BACKUP); 19276 19277 synchronized (mPackages) { 19278 serializeRuntimePermissionGrantsLPr(serializer, userId); 19279 } 19280 19281 serializer.endTag(null, TAG_PERMISSION_BACKUP); 19282 serializer.endDocument(); 19283 serializer.flush(); 19284 } catch (Exception e) { 19285 if (DEBUG_BACKUP) { 19286 Slog.e(TAG, "Unable to write default apps for backup", e); 19287 } 19288 return null; 19289 } 19290 19291 return dataStream.toByteArray(); 19292 } 19293 19294 @Override 19295 public void restorePermissionGrants(byte[] backup, int userId) { 19296 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19297 throw new SecurityException("Only the system may call restorePermissionGrants()"); 19298 } 19299 19300 try { 19301 final XmlPullParser parser = Xml.newPullParser(); 19302 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19303 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 19304 new BlobXmlRestorer() { 19305 @Override 19306 public void apply(XmlPullParser parser, int userId) 19307 throws XmlPullParserException, IOException { 19308 synchronized (mPackages) { 19309 processRestoredPermissionGrantsLPr(parser, userId); 19310 } 19311 } 19312 } ); 19313 } catch (Exception e) { 19314 if (DEBUG_BACKUP) { 19315 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19316 } 19317 } 19318 } 19319 19320 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 19321 throws IOException { 19322 serializer.startTag(null, TAG_ALL_GRANTS); 19323 19324 final int N = mSettings.mPackages.size(); 19325 for (int i = 0; i < N; i++) { 19326 final PackageSetting ps = mSettings.mPackages.valueAt(i); 19327 boolean pkgGrantsKnown = false; 19328 19329 PermissionsState packagePerms = ps.getPermissionsState(); 19330 19331 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 19332 final int grantFlags = state.getFlags(); 19333 // only look at grants that are not system/policy fixed 19334 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 19335 final boolean isGranted = state.isGranted(); 19336 // And only back up the user-twiddled state bits 19337 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 19338 final String packageName = mSettings.mPackages.keyAt(i); 19339 if (!pkgGrantsKnown) { 19340 serializer.startTag(null, TAG_GRANT); 19341 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 19342 pkgGrantsKnown = true; 19343 } 19344 19345 final boolean userSet = 19346 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 19347 final boolean userFixed = 19348 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 19349 final boolean revoke = 19350 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 19351 19352 serializer.startTag(null, TAG_PERMISSION); 19353 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 19354 if (isGranted) { 19355 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 19356 } 19357 if (userSet) { 19358 serializer.attribute(null, ATTR_USER_SET, "true"); 19359 } 19360 if (userFixed) { 19361 serializer.attribute(null, ATTR_USER_FIXED, "true"); 19362 } 19363 if (revoke) { 19364 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 19365 } 19366 serializer.endTag(null, TAG_PERMISSION); 19367 } 19368 } 19369 } 19370 19371 if (pkgGrantsKnown) { 19372 serializer.endTag(null, TAG_GRANT); 19373 } 19374 } 19375 19376 serializer.endTag(null, TAG_ALL_GRANTS); 19377 } 19378 19379 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 19380 throws XmlPullParserException, IOException { 19381 String pkgName = null; 19382 int outerDepth = parser.getDepth(); 19383 int type; 19384 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 19385 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 19386 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 19387 continue; 19388 } 19389 19390 final String tagName = parser.getName(); 19391 if (tagName.equals(TAG_GRANT)) { 19392 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 19393 if (DEBUG_BACKUP) { 19394 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 19395 } 19396 } else if (tagName.equals(TAG_PERMISSION)) { 19397 19398 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 19399 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 19400 19401 int newFlagSet = 0; 19402 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 19403 newFlagSet |= FLAG_PERMISSION_USER_SET; 19404 } 19405 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 19406 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 19407 } 19408 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 19409 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 19410 } 19411 if (DEBUG_BACKUP) { 19412 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 19413 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 19414 } 19415 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19416 if (ps != null) { 19417 // Already installed so we apply the grant immediately 19418 if (DEBUG_BACKUP) { 19419 Slog.v(TAG, " + already installed; applying"); 19420 } 19421 PermissionsState perms = ps.getPermissionsState(); 19422 BasePermission bp = mSettings.mPermissions.get(permName); 19423 if (bp != null) { 19424 if (isGranted) { 19425 perms.grantRuntimePermission(bp, userId); 19426 } 19427 if (newFlagSet != 0) { 19428 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 19429 } 19430 } 19431 } else { 19432 // Need to wait for post-restore install to apply the grant 19433 if (DEBUG_BACKUP) { 19434 Slog.v(TAG, " - not yet installed; saving for later"); 19435 } 19436 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 19437 isGranted, newFlagSet, userId); 19438 } 19439 } else { 19440 PackageManagerService.reportSettingsProblem(Log.WARN, 19441 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 19442 XmlUtils.skipCurrentTag(parser); 19443 } 19444 } 19445 19446 scheduleWriteSettingsLocked(); 19447 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 19448 } 19449 19450 @Override 19451 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 19452 int sourceUserId, int targetUserId, int flags) { 19453 mContext.enforceCallingOrSelfPermission( 19454 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19455 int callingUid = Binder.getCallingUid(); 19456 enforceOwnerRights(ownerPackage, callingUid); 19457 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19458 if (intentFilter.countActions() == 0) { 19459 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 19460 return; 19461 } 19462 synchronized (mPackages) { 19463 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 19464 ownerPackage, targetUserId, flags); 19465 CrossProfileIntentResolver resolver = 19466 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19467 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 19468 // We have all those whose filter is equal. Now checking if the rest is equal as well. 19469 if (existing != null) { 19470 int size = existing.size(); 19471 for (int i = 0; i < size; i++) { 19472 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 19473 return; 19474 } 19475 } 19476 } 19477 resolver.addFilter(newFilter); 19478 scheduleWritePackageRestrictionsLocked(sourceUserId); 19479 } 19480 } 19481 19482 @Override 19483 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 19484 mContext.enforceCallingOrSelfPermission( 19485 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19486 int callingUid = Binder.getCallingUid(); 19487 enforceOwnerRights(ownerPackage, callingUid); 19488 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19489 synchronized (mPackages) { 19490 CrossProfileIntentResolver resolver = 19491 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19492 ArraySet<CrossProfileIntentFilter> set = 19493 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 19494 for (CrossProfileIntentFilter filter : set) { 19495 if (filter.getOwnerPackage().equals(ownerPackage)) { 19496 resolver.removeFilter(filter); 19497 } 19498 } 19499 scheduleWritePackageRestrictionsLocked(sourceUserId); 19500 } 19501 } 19502 19503 // Enforcing that callingUid is owning pkg on userId 19504 private void enforceOwnerRights(String pkg, int callingUid) { 19505 // The system owns everything. 19506 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 19507 return; 19508 } 19509 int callingUserId = UserHandle.getUserId(callingUid); 19510 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 19511 if (pi == null) { 19512 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 19513 + callingUserId); 19514 } 19515 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 19516 throw new SecurityException("Calling uid " + callingUid 19517 + " does not own package " + pkg); 19518 } 19519 } 19520 19521 @Override 19522 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 19523 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 19524 } 19525 19526 /** 19527 * Report the 'Home' activity which is currently set as "always use this one". If non is set 19528 * then reports the most likely home activity or null if there are more than one. 19529 */ 19530 public ComponentName getDefaultHomeActivity(int userId) { 19531 List<ResolveInfo> allHomeCandidates = new ArrayList<>(); 19532 ComponentName cn = getHomeActivitiesAsUser(allHomeCandidates, userId); 19533 if (cn != null) { 19534 return cn; 19535 } 19536 19537 // Find the launcher with the highest priority and return that component if there are no 19538 // other home activity with the same priority. 19539 int lastPriority = Integer.MIN_VALUE; 19540 ComponentName lastComponent = null; 19541 final int size = allHomeCandidates.size(); 19542 for (int i = 0; i < size; i++) { 19543 final ResolveInfo ri = allHomeCandidates.get(i); 19544 if (ri.priority > lastPriority) { 19545 lastComponent = ri.activityInfo.getComponentName(); 19546 lastPriority = ri.priority; 19547 } else if (ri.priority == lastPriority) { 19548 // Two components found with same priority. 19549 lastComponent = null; 19550 } 19551 } 19552 return lastComponent; 19553 } 19554 19555 private Intent getHomeIntent() { 19556 Intent intent = new Intent(Intent.ACTION_MAIN); 19557 intent.addCategory(Intent.CATEGORY_HOME); 19558 intent.addCategory(Intent.CATEGORY_DEFAULT); 19559 return intent; 19560 } 19561 19562 private IntentFilter getHomeFilter() { 19563 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 19564 filter.addCategory(Intent.CATEGORY_HOME); 19565 filter.addCategory(Intent.CATEGORY_DEFAULT); 19566 return filter; 19567 } 19568 19569 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19570 int userId) { 19571 Intent intent = getHomeIntent(); 19572 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 19573 PackageManager.GET_META_DATA, userId); 19574 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 19575 true, false, false, userId); 19576 19577 allHomeCandidates.clear(); 19578 if (list != null) { 19579 for (ResolveInfo ri : list) { 19580 allHomeCandidates.add(ri); 19581 } 19582 } 19583 return (preferred == null || preferred.activityInfo == null) 19584 ? null 19585 : new ComponentName(preferred.activityInfo.packageName, 19586 preferred.activityInfo.name); 19587 } 19588 19589 @Override 19590 public void setHomeActivity(ComponentName comp, int userId) { 19591 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 19592 getHomeActivitiesAsUser(homeActivities, userId); 19593 19594 boolean found = false; 19595 19596 final int size = homeActivities.size(); 19597 final ComponentName[] set = new ComponentName[size]; 19598 for (int i = 0; i < size; i++) { 19599 final ResolveInfo candidate = homeActivities.get(i); 19600 final ActivityInfo info = candidate.activityInfo; 19601 final ComponentName activityName = new ComponentName(info.packageName, info.name); 19602 set[i] = activityName; 19603 if (!found && activityName.equals(comp)) { 19604 found = true; 19605 } 19606 } 19607 if (!found) { 19608 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 19609 + userId); 19610 } 19611 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 19612 set, comp, userId); 19613 } 19614 19615 private @Nullable String getSetupWizardPackageName() { 19616 final Intent intent = new Intent(Intent.ACTION_MAIN); 19617 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 19618 19619 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19620 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19621 | MATCH_DISABLED_COMPONENTS, 19622 UserHandle.myUserId()); 19623 if (matches.size() == 1) { 19624 return matches.get(0).getComponentInfo().packageName; 19625 } else { 19626 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 19627 + ": matches=" + matches); 19628 return null; 19629 } 19630 } 19631 19632 private @Nullable String getStorageManagerPackageName() { 19633 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 19634 19635 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19636 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19637 | MATCH_DISABLED_COMPONENTS, 19638 UserHandle.myUserId()); 19639 if (matches.size() == 1) { 19640 return matches.get(0).getComponentInfo().packageName; 19641 } else { 19642 Slog.e(TAG, "There should probably be exactly one storage manager; found " 19643 + matches.size() + ": matches=" + matches); 19644 return null; 19645 } 19646 } 19647 19648 @Override 19649 public void setApplicationEnabledSetting(String appPackageName, 19650 int newState, int flags, int userId, String callingPackage) { 19651 if (!sUserManager.exists(userId)) return; 19652 if (callingPackage == null) { 19653 callingPackage = Integer.toString(Binder.getCallingUid()); 19654 } 19655 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 19656 } 19657 19658 @Override 19659 public void setUpdateAvailable(String packageName, boolean updateAvailable) { 19660 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 19661 synchronized (mPackages) { 19662 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 19663 if (pkgSetting != null) { 19664 pkgSetting.setUpdateAvailable(updateAvailable); 19665 } 19666 } 19667 } 19668 19669 @Override 19670 public void setComponentEnabledSetting(ComponentName componentName, 19671 int newState, int flags, int userId) { 19672 if (!sUserManager.exists(userId)) return; 19673 setEnabledSetting(componentName.getPackageName(), 19674 componentName.getClassName(), newState, flags, userId, null); 19675 } 19676 19677 private void setEnabledSetting(final String packageName, String className, int newState, 19678 final int flags, int userId, String callingPackage) { 19679 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 19680 || newState == COMPONENT_ENABLED_STATE_ENABLED 19681 || newState == COMPONENT_ENABLED_STATE_DISABLED 19682 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19683 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 19684 throw new IllegalArgumentException("Invalid new component state: " 19685 + newState); 19686 } 19687 PackageSetting pkgSetting; 19688 final int uid = Binder.getCallingUid(); 19689 final int permission; 19690 if (uid == Process.SYSTEM_UID) { 19691 permission = PackageManager.PERMISSION_GRANTED; 19692 } else { 19693 permission = mContext.checkCallingOrSelfPermission( 19694 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19695 } 19696 enforceCrossUserPermission(uid, userId, 19697 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 19698 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19699 boolean sendNow = false; 19700 boolean isApp = (className == null); 19701 String componentName = isApp ? packageName : className; 19702 int packageUid = -1; 19703 ArrayList<String> components; 19704 19705 // writer 19706 synchronized (mPackages) { 19707 pkgSetting = mSettings.mPackages.get(packageName); 19708 if (pkgSetting == null) { 19709 if (className == null) { 19710 throw new IllegalArgumentException("Unknown package: " + packageName); 19711 } 19712 throw new IllegalArgumentException( 19713 "Unknown component: " + packageName + "/" + className); 19714 } 19715 } 19716 19717 // Limit who can change which apps 19718 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 19719 // Don't allow apps that don't have permission to modify other apps 19720 if (!allowedByPermission) { 19721 throw new SecurityException( 19722 "Permission Denial: attempt to change component state from pid=" 19723 + Binder.getCallingPid() 19724 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 19725 } 19726 // Don't allow changing protected packages. 19727 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 19728 throw new SecurityException("Cannot disable a protected package: " + packageName); 19729 } 19730 } 19731 19732 synchronized (mPackages) { 19733 if (uid == Process.SHELL_UID 19734 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 19735 // Shell can only change whole packages between ENABLED and DISABLED_USER states 19736 // unless it is a test package. 19737 int oldState = pkgSetting.getEnabled(userId); 19738 if (className == null 19739 && 19740 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 19741 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 19742 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 19743 && 19744 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19745 || newState == COMPONENT_ENABLED_STATE_DEFAULT 19746 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 19747 // ok 19748 } else { 19749 throw new SecurityException( 19750 "Shell cannot change component state for " + packageName + "/" 19751 + className + " to " + newState); 19752 } 19753 } 19754 if (className == null) { 19755 // We're dealing with an application/package level state change 19756 if (pkgSetting.getEnabled(userId) == newState) { 19757 // Nothing to do 19758 return; 19759 } 19760 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 19761 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 19762 // Don't care about who enables an app. 19763 callingPackage = null; 19764 } 19765 pkgSetting.setEnabled(newState, userId, callingPackage); 19766 // pkgSetting.pkg.mSetEnabled = newState; 19767 } else { 19768 // We're dealing with a component level state change 19769 // First, verify that this is a valid class name. 19770 PackageParser.Package pkg = pkgSetting.pkg; 19771 if (pkg == null || !pkg.hasComponentClassName(className)) { 19772 if (pkg != null && 19773 pkg.applicationInfo.targetSdkVersion >= 19774 Build.VERSION_CODES.JELLY_BEAN) { 19775 throw new IllegalArgumentException("Component class " + className 19776 + " does not exist in " + packageName); 19777 } else { 19778 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 19779 + className + " does not exist in " + packageName); 19780 } 19781 } 19782 switch (newState) { 19783 case COMPONENT_ENABLED_STATE_ENABLED: 19784 if (!pkgSetting.enableComponentLPw(className, userId)) { 19785 return; 19786 } 19787 break; 19788 case COMPONENT_ENABLED_STATE_DISABLED: 19789 if (!pkgSetting.disableComponentLPw(className, userId)) { 19790 return; 19791 } 19792 break; 19793 case COMPONENT_ENABLED_STATE_DEFAULT: 19794 if (!pkgSetting.restoreComponentLPw(className, userId)) { 19795 return; 19796 } 19797 break; 19798 default: 19799 Slog.e(TAG, "Invalid new component state: " + newState); 19800 return; 19801 } 19802 } 19803 scheduleWritePackageRestrictionsLocked(userId); 19804 updateSequenceNumberLP(packageName, new int[] { userId }); 19805 components = mPendingBroadcasts.get(userId, packageName); 19806 final boolean newPackage = components == null; 19807 if (newPackage) { 19808 components = new ArrayList<String>(); 19809 } 19810 if (!components.contains(componentName)) { 19811 components.add(componentName); 19812 } 19813 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 19814 sendNow = true; 19815 // Purge entry from pending broadcast list if another one exists already 19816 // since we are sending one right away. 19817 mPendingBroadcasts.remove(userId, packageName); 19818 } else { 19819 if (newPackage) { 19820 mPendingBroadcasts.put(userId, packageName, components); 19821 } 19822 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 19823 // Schedule a message 19824 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 19825 } 19826 } 19827 } 19828 19829 long callingId = Binder.clearCallingIdentity(); 19830 try { 19831 if (sendNow) { 19832 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 19833 sendPackageChangedBroadcast(packageName, 19834 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 19835 } 19836 } finally { 19837 Binder.restoreCallingIdentity(callingId); 19838 } 19839 } 19840 19841 @Override 19842 public void flushPackageRestrictionsAsUser(int userId) { 19843 if (!sUserManager.exists(userId)) { 19844 return; 19845 } 19846 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 19847 false /* checkShell */, "flushPackageRestrictions"); 19848 synchronized (mPackages) { 19849 mSettings.writePackageRestrictionsLPr(userId); 19850 mDirtyUsers.remove(userId); 19851 if (mDirtyUsers.isEmpty()) { 19852 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 19853 } 19854 } 19855 } 19856 19857 private void sendPackageChangedBroadcast(String packageName, 19858 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 19859 if (DEBUG_INSTALL) 19860 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 19861 + componentNames); 19862 Bundle extras = new Bundle(4); 19863 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 19864 String nameList[] = new String[componentNames.size()]; 19865 componentNames.toArray(nameList); 19866 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 19867 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 19868 extras.putInt(Intent.EXTRA_UID, packageUid); 19869 // If this is not reporting a change of the overall package, then only send it 19870 // to registered receivers. We don't want to launch a swath of apps for every 19871 // little component state change. 19872 final int flags = !componentNames.contains(packageName) 19873 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 19874 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 19875 new int[] {UserHandle.getUserId(packageUid)}); 19876 } 19877 19878 @Override 19879 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 19880 if (!sUserManager.exists(userId)) return; 19881 final int uid = Binder.getCallingUid(); 19882 final int permission = mContext.checkCallingOrSelfPermission( 19883 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19884 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19885 enforceCrossUserPermission(uid, userId, 19886 true /* requireFullPermission */, true /* checkShell */, "stop package"); 19887 // writer 19888 synchronized (mPackages) { 19889 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 19890 allowedByPermission, uid, userId)) { 19891 scheduleWritePackageRestrictionsLocked(userId); 19892 } 19893 } 19894 } 19895 19896 @Override 19897 public String getInstallerPackageName(String packageName) { 19898 // reader 19899 synchronized (mPackages) { 19900 return mSettings.getInstallerPackageNameLPr(packageName); 19901 } 19902 } 19903 19904 public boolean isOrphaned(String packageName) { 19905 // reader 19906 synchronized (mPackages) { 19907 return mSettings.isOrphaned(packageName); 19908 } 19909 } 19910 19911 @Override 19912 public int getApplicationEnabledSetting(String packageName, int userId) { 19913 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19914 int uid = Binder.getCallingUid(); 19915 enforceCrossUserPermission(uid, userId, 19916 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 19917 // reader 19918 synchronized (mPackages) { 19919 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 19920 } 19921 } 19922 19923 @Override 19924 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 19925 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19926 int uid = Binder.getCallingUid(); 19927 enforceCrossUserPermission(uid, userId, 19928 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 19929 // reader 19930 synchronized (mPackages) { 19931 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 19932 } 19933 } 19934 19935 @Override 19936 public void enterSafeMode() { 19937 enforceSystemOrRoot("Only the system can request entering safe mode"); 19938 19939 if (!mSystemReady) { 19940 mSafeMode = true; 19941 } 19942 } 19943 19944 @Override 19945 public void systemReady() { 19946 mSystemReady = true; 19947 19948 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 19949 // disabled after already being started. 19950 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 19951 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 19952 19953 // Read the compatibilty setting when the system is ready. 19954 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 19955 mContext.getContentResolver(), 19956 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 19957 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 19958 if (DEBUG_SETTINGS) { 19959 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 19960 } 19961 19962 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 19963 19964 synchronized (mPackages) { 19965 // Verify that all of the preferred activity components actually 19966 // exist. It is possible for applications to be updated and at 19967 // that point remove a previously declared activity component that 19968 // had been set as a preferred activity. We try to clean this up 19969 // the next time we encounter that preferred activity, but it is 19970 // possible for the user flow to never be able to return to that 19971 // situation so here we do a sanity check to make sure we haven't 19972 // left any junk around. 19973 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 19974 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 19975 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 19976 removed.clear(); 19977 for (PreferredActivity pa : pir.filterSet()) { 19978 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 19979 removed.add(pa); 19980 } 19981 } 19982 if (removed.size() > 0) { 19983 for (int r=0; r<removed.size(); r++) { 19984 PreferredActivity pa = removed.get(r); 19985 Slog.w(TAG, "Removing dangling preferred activity: " 19986 + pa.mPref.mComponent); 19987 pir.removeFilter(pa); 19988 } 19989 mSettings.writePackageRestrictionsLPr( 19990 mSettings.mPreferredActivities.keyAt(i)); 19991 } 19992 } 19993 19994 for (int userId : UserManagerService.getInstance().getUserIds()) { 19995 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 19996 grantPermissionsUserIds = ArrayUtils.appendInt( 19997 grantPermissionsUserIds, userId); 19998 } 19999 } 20000 } 20001 sUserManager.systemReady(); 20002 20003 // If we upgraded grant all default permissions before kicking off. 20004 for (int userId : grantPermissionsUserIds) { 20005 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20006 } 20007 20008 // If we did not grant default permissions, we preload from this the 20009 // default permission exceptions lazily to ensure we don't hit the 20010 // disk on a new user creation. 20011 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 20012 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 20013 } 20014 20015 // Kick off any messages waiting for system ready 20016 if (mPostSystemReadyMessages != null) { 20017 for (Message msg : mPostSystemReadyMessages) { 20018 msg.sendToTarget(); 20019 } 20020 mPostSystemReadyMessages = null; 20021 } 20022 20023 // Watch for external volumes that come and go over time 20024 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20025 storage.registerListener(mStorageListener); 20026 20027 mInstallerService.systemReady(); 20028 mPackageDexOptimizer.systemReady(); 20029 20030 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 20031 StorageManagerInternal.class); 20032 StorageManagerInternal.addExternalStoragePolicy( 20033 new StorageManagerInternal.ExternalStorageMountPolicy() { 20034 @Override 20035 public int getMountMode(int uid, String packageName) { 20036 if (Process.isIsolated(uid)) { 20037 return Zygote.MOUNT_EXTERNAL_NONE; 20038 } 20039 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 20040 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20041 } 20042 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20043 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20044 } 20045 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20046 return Zygote.MOUNT_EXTERNAL_READ; 20047 } 20048 return Zygote.MOUNT_EXTERNAL_WRITE; 20049 } 20050 20051 @Override 20052 public boolean hasExternalStorage(int uid, String packageName) { 20053 return true; 20054 } 20055 }); 20056 20057 // Now that we're mostly running, clean up stale users and apps 20058 sUserManager.reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 20059 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 20060 20061 if (mPrivappPermissionsViolations != null) { 20062 Slog.wtf(TAG,"Signature|privileged permissions not in " 20063 + "privapp-permissions whitelist: " + mPrivappPermissionsViolations); 20064 mPrivappPermissionsViolations = null; 20065 } 20066 } 20067 20068 public void waitForAppDataPrepared() { 20069 if (mPrepareAppDataFuture == null) { 20070 return; 20071 } 20072 ConcurrentUtils.waitForFutureNoInterrupt(mPrepareAppDataFuture, "wait for prepareAppData"); 20073 mPrepareAppDataFuture = null; 20074 } 20075 20076 @Override 20077 public boolean isSafeMode() { 20078 return mSafeMode; 20079 } 20080 20081 @Override 20082 public boolean hasSystemUidErrors() { 20083 return mHasSystemUidErrors; 20084 } 20085 20086 static String arrayToString(int[] array) { 20087 StringBuffer buf = new StringBuffer(128); 20088 buf.append('['); 20089 if (array != null) { 20090 for (int i=0; i<array.length; i++) { 20091 if (i > 0) buf.append(", "); 20092 buf.append(array[i]); 20093 } 20094 } 20095 buf.append(']'); 20096 return buf.toString(); 20097 } 20098 20099 static class DumpState { 20100 public static final int DUMP_LIBS = 1 << 0; 20101 public static final int DUMP_FEATURES = 1 << 1; 20102 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 20103 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 20104 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 20105 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 20106 public static final int DUMP_PERMISSIONS = 1 << 6; 20107 public static final int DUMP_PACKAGES = 1 << 7; 20108 public static final int DUMP_SHARED_USERS = 1 << 8; 20109 public static final int DUMP_MESSAGES = 1 << 9; 20110 public static final int DUMP_PROVIDERS = 1 << 10; 20111 public static final int DUMP_VERIFIERS = 1 << 11; 20112 public static final int DUMP_PREFERRED = 1 << 12; 20113 public static final int DUMP_PREFERRED_XML = 1 << 13; 20114 public static final int DUMP_KEYSETS = 1 << 14; 20115 public static final int DUMP_VERSION = 1 << 15; 20116 public static final int DUMP_INSTALLS = 1 << 16; 20117 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 20118 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 20119 public static final int DUMP_FROZEN = 1 << 19; 20120 public static final int DUMP_DEXOPT = 1 << 20; 20121 public static final int DUMP_COMPILER_STATS = 1 << 21; 20122 public static final int DUMP_ENABLED_OVERLAYS = 1 << 22; 20123 20124 public static final int OPTION_SHOW_FILTERS = 1 << 0; 20125 20126 private int mTypes; 20127 20128 private int mOptions; 20129 20130 private boolean mTitlePrinted; 20131 20132 private SharedUserSetting mSharedUser; 20133 20134 public boolean isDumping(int type) { 20135 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 20136 return true; 20137 } 20138 20139 return (mTypes & type) != 0; 20140 } 20141 20142 public void setDump(int type) { 20143 mTypes |= type; 20144 } 20145 20146 public boolean isOptionEnabled(int option) { 20147 return (mOptions & option) != 0; 20148 } 20149 20150 public void setOptionEnabled(int option) { 20151 mOptions |= option; 20152 } 20153 20154 public boolean onTitlePrinted() { 20155 final boolean printed = mTitlePrinted; 20156 mTitlePrinted = true; 20157 return printed; 20158 } 20159 20160 public boolean getTitlePrinted() { 20161 return mTitlePrinted; 20162 } 20163 20164 public void setTitlePrinted(boolean enabled) { 20165 mTitlePrinted = enabled; 20166 } 20167 20168 public SharedUserSetting getSharedUser() { 20169 return mSharedUser; 20170 } 20171 20172 public void setSharedUser(SharedUserSetting user) { 20173 mSharedUser = user; 20174 } 20175 } 20176 20177 @Override 20178 public void onShellCommand(FileDescriptor in, FileDescriptor out, 20179 FileDescriptor err, String[] args, ShellCallback callback, 20180 ResultReceiver resultReceiver) { 20181 (new PackageManagerShellCommand(this)).exec( 20182 this, in, out, err, args, callback, resultReceiver); 20183 } 20184 20185 @Override 20186 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 20187 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 20188 != PackageManager.PERMISSION_GRANTED) { 20189 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 20190 + Binder.getCallingPid() 20191 + ", uid=" + Binder.getCallingUid() 20192 + " without permission " 20193 + android.Manifest.permission.DUMP); 20194 return; 20195 } 20196 20197 DumpState dumpState = new DumpState(); 20198 boolean fullPreferred = false; 20199 boolean checkin = false; 20200 20201 String packageName = null; 20202 ArraySet<String> permissionNames = null; 20203 20204 int opti = 0; 20205 while (opti < args.length) { 20206 String opt = args[opti]; 20207 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 20208 break; 20209 } 20210 opti++; 20211 20212 if ("-a".equals(opt)) { 20213 // Right now we only know how to print all. 20214 } else if ("-h".equals(opt)) { 20215 pw.println("Package manager dump options:"); 20216 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 20217 pw.println(" --checkin: dump for a checkin"); 20218 pw.println(" -f: print details of intent filters"); 20219 pw.println(" -h: print this help"); 20220 pw.println(" cmd may be one of:"); 20221 pw.println(" l[ibraries]: list known shared libraries"); 20222 pw.println(" f[eatures]: list device features"); 20223 pw.println(" k[eysets]: print known keysets"); 20224 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 20225 pw.println(" perm[issions]: dump permissions"); 20226 pw.println(" permission [name ...]: dump declaration and use of given permission"); 20227 pw.println(" pref[erred]: print preferred package settings"); 20228 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 20229 pw.println(" prov[iders]: dump content providers"); 20230 pw.println(" p[ackages]: dump installed packages"); 20231 pw.println(" s[hared-users]: dump shared user IDs"); 20232 pw.println(" m[essages]: print collected runtime messages"); 20233 pw.println(" v[erifiers]: print package verifier info"); 20234 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 20235 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 20236 pw.println(" version: print database version info"); 20237 pw.println(" write: write current settings now"); 20238 pw.println(" installs: details about install sessions"); 20239 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 20240 pw.println(" dexopt: dump dexopt state"); 20241 pw.println(" compiler-stats: dump compiler statistics"); 20242 pw.println(" enabled-overlays: dump list of enabled overlay packages"); 20243 pw.println(" <package.name>: info about given package"); 20244 return; 20245 } else if ("--checkin".equals(opt)) { 20246 checkin = true; 20247 } else if ("-f".equals(opt)) { 20248 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20249 } else if ("--proto".equals(opt)) { 20250 dumpProto(fd); 20251 return; 20252 } else { 20253 pw.println("Unknown argument: " + opt + "; use -h for help"); 20254 } 20255 } 20256 20257 // Is the caller requesting to dump a particular piece of data? 20258 if (opti < args.length) { 20259 String cmd = args[opti]; 20260 opti++; 20261 // Is this a package name? 20262 if ("android".equals(cmd) || cmd.contains(".")) { 20263 packageName = cmd; 20264 // When dumping a single package, we always dump all of its 20265 // filter information since the amount of data will be reasonable. 20266 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20267 } else if ("check-permission".equals(cmd)) { 20268 if (opti >= args.length) { 20269 pw.println("Error: check-permission missing permission argument"); 20270 return; 20271 } 20272 String perm = args[opti]; 20273 opti++; 20274 if (opti >= args.length) { 20275 pw.println("Error: check-permission missing package argument"); 20276 return; 20277 } 20278 20279 String pkg = args[opti]; 20280 opti++; 20281 int user = UserHandle.getUserId(Binder.getCallingUid()); 20282 if (opti < args.length) { 20283 try { 20284 user = Integer.parseInt(args[opti]); 20285 } catch (NumberFormatException e) { 20286 pw.println("Error: check-permission user argument is not a number: " 20287 + args[opti]); 20288 return; 20289 } 20290 } 20291 20292 // Normalize package name to handle renamed packages and static libs 20293 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 20294 20295 pw.println(checkPermission(perm, pkg, user)); 20296 return; 20297 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 20298 dumpState.setDump(DumpState.DUMP_LIBS); 20299 } else if ("f".equals(cmd) || "features".equals(cmd)) { 20300 dumpState.setDump(DumpState.DUMP_FEATURES); 20301 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 20302 if (opti >= args.length) { 20303 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 20304 | DumpState.DUMP_SERVICE_RESOLVERS 20305 | DumpState.DUMP_RECEIVER_RESOLVERS 20306 | DumpState.DUMP_CONTENT_RESOLVERS); 20307 } else { 20308 while (opti < args.length) { 20309 String name = args[opti]; 20310 if ("a".equals(name) || "activity".equals(name)) { 20311 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 20312 } else if ("s".equals(name) || "service".equals(name)) { 20313 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 20314 } else if ("r".equals(name) || "receiver".equals(name)) { 20315 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 20316 } else if ("c".equals(name) || "content".equals(name)) { 20317 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 20318 } else { 20319 pw.println("Error: unknown resolver table type: " + name); 20320 return; 20321 } 20322 opti++; 20323 } 20324 } 20325 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 20326 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 20327 } else if ("permission".equals(cmd)) { 20328 if (opti >= args.length) { 20329 pw.println("Error: permission requires permission name"); 20330 return; 20331 } 20332 permissionNames = new ArraySet<>(); 20333 while (opti < args.length) { 20334 permissionNames.add(args[opti]); 20335 opti++; 20336 } 20337 dumpState.setDump(DumpState.DUMP_PERMISSIONS 20338 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 20339 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 20340 dumpState.setDump(DumpState.DUMP_PREFERRED); 20341 } else if ("preferred-xml".equals(cmd)) { 20342 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 20343 if (opti < args.length && "--full".equals(args[opti])) { 20344 fullPreferred = true; 20345 opti++; 20346 } 20347 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 20348 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 20349 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 20350 dumpState.setDump(DumpState.DUMP_PACKAGES); 20351 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 20352 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 20353 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 20354 dumpState.setDump(DumpState.DUMP_PROVIDERS); 20355 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 20356 dumpState.setDump(DumpState.DUMP_MESSAGES); 20357 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 20358 dumpState.setDump(DumpState.DUMP_VERIFIERS); 20359 } else if ("i".equals(cmd) || "ifv".equals(cmd) 20360 || "intent-filter-verifiers".equals(cmd)) { 20361 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 20362 } else if ("version".equals(cmd)) { 20363 dumpState.setDump(DumpState.DUMP_VERSION); 20364 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 20365 dumpState.setDump(DumpState.DUMP_KEYSETS); 20366 } else if ("installs".equals(cmd)) { 20367 dumpState.setDump(DumpState.DUMP_INSTALLS); 20368 } else if ("frozen".equals(cmd)) { 20369 dumpState.setDump(DumpState.DUMP_FROZEN); 20370 } else if ("dexopt".equals(cmd)) { 20371 dumpState.setDump(DumpState.DUMP_DEXOPT); 20372 } else if ("compiler-stats".equals(cmd)) { 20373 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 20374 } else if ("enabled-overlays".equals(cmd)) { 20375 dumpState.setDump(DumpState.DUMP_ENABLED_OVERLAYS); 20376 } else if ("write".equals(cmd)) { 20377 synchronized (mPackages) { 20378 mSettings.writeLPr(); 20379 pw.println("Settings written."); 20380 return; 20381 } 20382 } 20383 } 20384 20385 if (checkin) { 20386 pw.println("vers,1"); 20387 } 20388 20389 // reader 20390 synchronized (mPackages) { 20391 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 20392 if (!checkin) { 20393 if (dumpState.onTitlePrinted()) 20394 pw.println(); 20395 pw.println("Database versions:"); 20396 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 20397 } 20398 } 20399 20400 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 20401 if (!checkin) { 20402 if (dumpState.onTitlePrinted()) 20403 pw.println(); 20404 pw.println("Verifiers:"); 20405 pw.print(" Required: "); 20406 pw.print(mRequiredVerifierPackage); 20407 pw.print(" (uid="); 20408 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20409 UserHandle.USER_SYSTEM)); 20410 pw.println(")"); 20411 } else if (mRequiredVerifierPackage != null) { 20412 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 20413 pw.print(","); 20414 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20415 UserHandle.USER_SYSTEM)); 20416 } 20417 } 20418 20419 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 20420 packageName == null) { 20421 if (mIntentFilterVerifierComponent != null) { 20422 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20423 if (!checkin) { 20424 if (dumpState.onTitlePrinted()) 20425 pw.println(); 20426 pw.println("Intent Filter Verifier:"); 20427 pw.print(" Using: "); 20428 pw.print(verifierPackageName); 20429 pw.print(" (uid="); 20430 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20431 UserHandle.USER_SYSTEM)); 20432 pw.println(")"); 20433 } else if (verifierPackageName != null) { 20434 pw.print("ifv,"); pw.print(verifierPackageName); 20435 pw.print(","); 20436 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20437 UserHandle.USER_SYSTEM)); 20438 } 20439 } else { 20440 pw.println(); 20441 pw.println("No Intent Filter Verifier available!"); 20442 } 20443 } 20444 20445 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 20446 boolean printedHeader = false; 20447 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 20448 while (it.hasNext()) { 20449 String libName = it.next(); 20450 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20451 if (versionedLib == null) { 20452 continue; 20453 } 20454 final int versionCount = versionedLib.size(); 20455 for (int i = 0; i < versionCount; i++) { 20456 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 20457 if (!checkin) { 20458 if (!printedHeader) { 20459 if (dumpState.onTitlePrinted()) 20460 pw.println(); 20461 pw.println("Libraries:"); 20462 printedHeader = true; 20463 } 20464 pw.print(" "); 20465 } else { 20466 pw.print("lib,"); 20467 } 20468 pw.print(libEntry.info.getName()); 20469 if (libEntry.info.isStatic()) { 20470 pw.print(" version=" + libEntry.info.getVersion()); 20471 } 20472 if (!checkin) { 20473 pw.print(" -> "); 20474 } 20475 if (libEntry.path != null) { 20476 pw.print(" (jar) "); 20477 pw.print(libEntry.path); 20478 } else { 20479 pw.print(" (apk) "); 20480 pw.print(libEntry.apk); 20481 } 20482 pw.println(); 20483 } 20484 } 20485 } 20486 20487 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 20488 if (dumpState.onTitlePrinted()) 20489 pw.println(); 20490 if (!checkin) { 20491 pw.println("Features:"); 20492 } 20493 20494 synchronized (mAvailableFeatures) { 20495 for (FeatureInfo feat : mAvailableFeatures.values()) { 20496 if (checkin) { 20497 pw.print("feat,"); 20498 pw.print(feat.name); 20499 pw.print(","); 20500 pw.println(feat.version); 20501 } else { 20502 pw.print(" "); 20503 pw.print(feat.name); 20504 if (feat.version > 0) { 20505 pw.print(" version="); 20506 pw.print(feat.version); 20507 } 20508 pw.println(); 20509 } 20510 } 20511 } 20512 } 20513 20514 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 20515 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 20516 : "Activity Resolver Table:", " ", packageName, 20517 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20518 dumpState.setTitlePrinted(true); 20519 } 20520 } 20521 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 20522 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 20523 : "Receiver Resolver Table:", " ", packageName, 20524 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20525 dumpState.setTitlePrinted(true); 20526 } 20527 } 20528 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 20529 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 20530 : "Service Resolver Table:", " ", packageName, 20531 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20532 dumpState.setTitlePrinted(true); 20533 } 20534 } 20535 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 20536 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 20537 : "Provider Resolver Table:", " ", packageName, 20538 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20539 dumpState.setTitlePrinted(true); 20540 } 20541 } 20542 20543 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 20544 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20545 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20546 int user = mSettings.mPreferredActivities.keyAt(i); 20547 if (pir.dump(pw, 20548 dumpState.getTitlePrinted() 20549 ? "\nPreferred Activities User " + user + ":" 20550 : "Preferred Activities User " + user + ":", " ", 20551 packageName, true, false)) { 20552 dumpState.setTitlePrinted(true); 20553 } 20554 } 20555 } 20556 20557 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 20558 pw.flush(); 20559 FileOutputStream fout = new FileOutputStream(fd); 20560 BufferedOutputStream str = new BufferedOutputStream(fout); 20561 XmlSerializer serializer = new FastXmlSerializer(); 20562 try { 20563 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 20564 serializer.startDocument(null, true); 20565 serializer.setFeature( 20566 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 20567 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 20568 serializer.endDocument(); 20569 serializer.flush(); 20570 } catch (IllegalArgumentException e) { 20571 pw.println("Failed writing: " + e); 20572 } catch (IllegalStateException e) { 20573 pw.println("Failed writing: " + e); 20574 } catch (IOException e) { 20575 pw.println("Failed writing: " + e); 20576 } 20577 } 20578 20579 if (!checkin 20580 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 20581 && packageName == null) { 20582 pw.println(); 20583 int count = mSettings.mPackages.size(); 20584 if (count == 0) { 20585 pw.println("No applications!"); 20586 pw.println(); 20587 } else { 20588 final String prefix = " "; 20589 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 20590 if (allPackageSettings.size() == 0) { 20591 pw.println("No domain preferred apps!"); 20592 pw.println(); 20593 } else { 20594 pw.println("App verification status:"); 20595 pw.println(); 20596 count = 0; 20597 for (PackageSetting ps : allPackageSettings) { 20598 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 20599 if (ivi == null || ivi.getPackageName() == null) continue; 20600 pw.println(prefix + "Package: " + ivi.getPackageName()); 20601 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 20602 pw.println(prefix + "Status: " + ivi.getStatusString()); 20603 pw.println(); 20604 count++; 20605 } 20606 if (count == 0) { 20607 pw.println(prefix + "No app verification established."); 20608 pw.println(); 20609 } 20610 for (int userId : sUserManager.getUserIds()) { 20611 pw.println("App linkages for user " + userId + ":"); 20612 pw.println(); 20613 count = 0; 20614 for (PackageSetting ps : allPackageSettings) { 20615 final long status = ps.getDomainVerificationStatusForUser(userId); 20616 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 20617 && !DEBUG_DOMAIN_VERIFICATION) { 20618 continue; 20619 } 20620 pw.println(prefix + "Package: " + ps.name); 20621 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 20622 String statusStr = IntentFilterVerificationInfo. 20623 getStatusStringFromValue(status); 20624 pw.println(prefix + "Status: " + statusStr); 20625 pw.println(); 20626 count++; 20627 } 20628 if (count == 0) { 20629 pw.println(prefix + "No configured app linkages."); 20630 pw.println(); 20631 } 20632 } 20633 } 20634 } 20635 } 20636 20637 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 20638 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 20639 if (packageName == null && permissionNames == null) { 20640 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 20641 if (iperm == 0) { 20642 if (dumpState.onTitlePrinted()) 20643 pw.println(); 20644 pw.println("AppOp Permissions:"); 20645 } 20646 pw.print(" AppOp Permission "); 20647 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 20648 pw.println(":"); 20649 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 20650 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 20651 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 20652 } 20653 } 20654 } 20655 } 20656 20657 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 20658 boolean printedSomething = false; 20659 for (PackageParser.Provider p : mProviders.mProviders.values()) { 20660 if (packageName != null && !packageName.equals(p.info.packageName)) { 20661 continue; 20662 } 20663 if (!printedSomething) { 20664 if (dumpState.onTitlePrinted()) 20665 pw.println(); 20666 pw.println("Registered ContentProviders:"); 20667 printedSomething = true; 20668 } 20669 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 20670 pw.print(" "); pw.println(p.toString()); 20671 } 20672 printedSomething = false; 20673 for (Map.Entry<String, PackageParser.Provider> entry : 20674 mProvidersByAuthority.entrySet()) { 20675 PackageParser.Provider p = entry.getValue(); 20676 if (packageName != null && !packageName.equals(p.info.packageName)) { 20677 continue; 20678 } 20679 if (!printedSomething) { 20680 if (dumpState.onTitlePrinted()) 20681 pw.println(); 20682 pw.println("ContentProvider Authorities:"); 20683 printedSomething = true; 20684 } 20685 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 20686 pw.print(" "); pw.println(p.toString()); 20687 if (p.info != null && p.info.applicationInfo != null) { 20688 final String appInfo = p.info.applicationInfo.toString(); 20689 pw.print(" applicationInfo="); pw.println(appInfo); 20690 } 20691 } 20692 } 20693 20694 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 20695 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 20696 } 20697 20698 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 20699 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 20700 } 20701 20702 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 20703 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 20704 } 20705 20706 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 20707 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 20708 } 20709 20710 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 20711 // XXX should handle packageName != null by dumping only install data that 20712 // the given package is involved with. 20713 if (dumpState.onTitlePrinted()) pw.println(); 20714 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 20715 } 20716 20717 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 20718 // XXX should handle packageName != null by dumping only install data that 20719 // the given package is involved with. 20720 if (dumpState.onTitlePrinted()) pw.println(); 20721 20722 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20723 ipw.println(); 20724 ipw.println("Frozen packages:"); 20725 ipw.increaseIndent(); 20726 if (mFrozenPackages.size() == 0) { 20727 ipw.println("(none)"); 20728 } else { 20729 for (int i = 0; i < mFrozenPackages.size(); i++) { 20730 ipw.println(mFrozenPackages.valueAt(i)); 20731 } 20732 } 20733 ipw.decreaseIndent(); 20734 } 20735 20736 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 20737 if (dumpState.onTitlePrinted()) pw.println(); 20738 dumpDexoptStateLPr(pw, packageName); 20739 } 20740 20741 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 20742 if (dumpState.onTitlePrinted()) pw.println(); 20743 dumpCompilerStatsLPr(pw, packageName); 20744 } 20745 20746 if (!checkin && dumpState.isDumping(DumpState.DUMP_ENABLED_OVERLAYS)) { 20747 if (dumpState.onTitlePrinted()) pw.println(); 20748 dumpEnabledOverlaysLPr(pw); 20749 } 20750 20751 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 20752 if (dumpState.onTitlePrinted()) pw.println(); 20753 mSettings.dumpReadMessagesLPr(pw, dumpState); 20754 20755 pw.println(); 20756 pw.println("Package warning messages:"); 20757 BufferedReader in = null; 20758 String line = null; 20759 try { 20760 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20761 while ((line = in.readLine()) != null) { 20762 if (line.contains("ignored: updated version")) continue; 20763 pw.println(line); 20764 } 20765 } catch (IOException ignored) { 20766 } finally { 20767 IoUtils.closeQuietly(in); 20768 } 20769 } 20770 20771 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 20772 BufferedReader in = null; 20773 String line = null; 20774 try { 20775 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20776 while ((line = in.readLine()) != null) { 20777 if (line.contains("ignored: updated version")) continue; 20778 pw.print("msg,"); 20779 pw.println(line); 20780 } 20781 } catch (IOException ignored) { 20782 } finally { 20783 IoUtils.closeQuietly(in); 20784 } 20785 } 20786 } 20787 } 20788 20789 private void dumpProto(FileDescriptor fd) { 20790 final ProtoOutputStream proto = new ProtoOutputStream(fd); 20791 20792 synchronized (mPackages) { 20793 final long requiredVerifierPackageToken = 20794 proto.start(PackageServiceDumpProto.REQUIRED_VERIFIER_PACKAGE); 20795 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, mRequiredVerifierPackage); 20796 proto.write( 20797 PackageServiceDumpProto.PackageShortProto.UID, 20798 getPackageUid( 20799 mRequiredVerifierPackage, 20800 MATCH_DEBUG_TRIAGED_MISSING, 20801 UserHandle.USER_SYSTEM)); 20802 proto.end(requiredVerifierPackageToken); 20803 20804 if (mIntentFilterVerifierComponent != null) { 20805 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20806 final long verifierPackageToken = 20807 proto.start(PackageServiceDumpProto.VERIFIER_PACKAGE); 20808 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, verifierPackageName); 20809 proto.write( 20810 PackageServiceDumpProto.PackageShortProto.UID, 20811 getPackageUid( 20812 verifierPackageName, 20813 MATCH_DEBUG_TRIAGED_MISSING, 20814 UserHandle.USER_SYSTEM)); 20815 proto.end(verifierPackageToken); 20816 } 20817 20818 dumpSharedLibrariesProto(proto); 20819 dumpFeaturesProto(proto); 20820 mSettings.dumpPackagesProto(proto); 20821 mSettings.dumpSharedUsersProto(proto); 20822 dumpMessagesProto(proto); 20823 } 20824 proto.flush(); 20825 } 20826 20827 private void dumpMessagesProto(ProtoOutputStream proto) { 20828 BufferedReader in = null; 20829 String line = null; 20830 try { 20831 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20832 while ((line = in.readLine()) != null) { 20833 if (line.contains("ignored: updated version")) continue; 20834 proto.write(PackageServiceDumpProto.MESSAGES, line); 20835 } 20836 } catch (IOException ignored) { 20837 } finally { 20838 IoUtils.closeQuietly(in); 20839 } 20840 } 20841 20842 private void dumpFeaturesProto(ProtoOutputStream proto) { 20843 synchronized (mAvailableFeatures) { 20844 final int count = mAvailableFeatures.size(); 20845 for (int i = 0; i < count; i++) { 20846 final FeatureInfo feat = mAvailableFeatures.valueAt(i); 20847 final long featureToken = proto.start(PackageServiceDumpProto.FEATURES); 20848 proto.write(PackageServiceDumpProto.FeatureProto.NAME, feat.name); 20849 proto.write(PackageServiceDumpProto.FeatureProto.VERSION, feat.version); 20850 proto.end(featureToken); 20851 } 20852 } 20853 } 20854 20855 private void dumpSharedLibrariesProto(ProtoOutputStream proto) { 20856 final int count = mSharedLibraries.size(); 20857 for (int i = 0; i < count; i++) { 20858 final String libName = mSharedLibraries.keyAt(i); 20859 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20860 if (versionedLib == null) { 20861 continue; 20862 } 20863 final int versionCount = versionedLib.size(); 20864 for (int j = 0; j < versionCount; j++) { 20865 final SharedLibraryEntry libEntry = versionedLib.valueAt(j); 20866 final long sharedLibraryToken = 20867 proto.start(PackageServiceDumpProto.SHARED_LIBRARIES); 20868 proto.write(PackageServiceDumpProto.SharedLibraryProto.NAME, libEntry.info.getName()); 20869 final boolean isJar = (libEntry.path != null); 20870 proto.write(PackageServiceDumpProto.SharedLibraryProto.IS_JAR, isJar); 20871 if (isJar) { 20872 proto.write(PackageServiceDumpProto.SharedLibraryProto.PATH, libEntry.path); 20873 } else { 20874 proto.write(PackageServiceDumpProto.SharedLibraryProto.APK, libEntry.apk); 20875 } 20876 proto.end(sharedLibraryToken); 20877 } 20878 } 20879 } 20880 20881 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 20882 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20883 ipw.println(); 20884 ipw.println("Dexopt state:"); 20885 ipw.increaseIndent(); 20886 Collection<PackageParser.Package> packages = null; 20887 if (packageName != null) { 20888 PackageParser.Package targetPackage = mPackages.get(packageName); 20889 if (targetPackage != null) { 20890 packages = Collections.singletonList(targetPackage); 20891 } else { 20892 ipw.println("Unable to find package: " + packageName); 20893 return; 20894 } 20895 } else { 20896 packages = mPackages.values(); 20897 } 20898 20899 for (PackageParser.Package pkg : packages) { 20900 ipw.println("[" + pkg.packageName + "]"); 20901 ipw.increaseIndent(); 20902 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 20903 ipw.decreaseIndent(); 20904 } 20905 } 20906 20907 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 20908 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20909 ipw.println(); 20910 ipw.println("Compiler stats:"); 20911 ipw.increaseIndent(); 20912 Collection<PackageParser.Package> packages = null; 20913 if (packageName != null) { 20914 PackageParser.Package targetPackage = mPackages.get(packageName); 20915 if (targetPackage != null) { 20916 packages = Collections.singletonList(targetPackage); 20917 } else { 20918 ipw.println("Unable to find package: " + packageName); 20919 return; 20920 } 20921 } else { 20922 packages = mPackages.values(); 20923 } 20924 20925 for (PackageParser.Package pkg : packages) { 20926 ipw.println("[" + pkg.packageName + "]"); 20927 ipw.increaseIndent(); 20928 20929 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 20930 if (stats == null) { 20931 ipw.println("(No recorded stats)"); 20932 } else { 20933 stats.dump(ipw); 20934 } 20935 ipw.decreaseIndent(); 20936 } 20937 } 20938 20939 private void dumpEnabledOverlaysLPr(PrintWriter pw) { 20940 pw.println("Enabled overlay paths:"); 20941 final int N = mEnabledOverlayPaths.size(); 20942 for (int i = 0; i < N; i++) { 20943 final int userId = mEnabledOverlayPaths.keyAt(i); 20944 pw.println(String.format(" User %d:", userId)); 20945 final ArrayMap<String, ArrayList<String>> userSpecificOverlays = 20946 mEnabledOverlayPaths.valueAt(i); 20947 final int M = userSpecificOverlays.size(); 20948 for (int j = 0; j < M; j++) { 20949 final String targetPackageName = userSpecificOverlays.keyAt(j); 20950 final ArrayList<String> overlayPackagePaths = userSpecificOverlays.valueAt(j); 20951 pw.println(String.format(" %s: %s", targetPackageName, overlayPackagePaths)); 20952 } 20953 } 20954 } 20955 20956 private String dumpDomainString(String packageName) { 20957 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 20958 .getList(); 20959 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 20960 20961 ArraySet<String> result = new ArraySet<>(); 20962 if (iviList.size() > 0) { 20963 for (IntentFilterVerificationInfo ivi : iviList) { 20964 for (String host : ivi.getDomains()) { 20965 result.add(host); 20966 } 20967 } 20968 } 20969 if (filters != null && filters.size() > 0) { 20970 for (IntentFilter filter : filters) { 20971 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 20972 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 20973 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 20974 result.addAll(filter.getHostsList()); 20975 } 20976 } 20977 } 20978 20979 StringBuilder sb = new StringBuilder(result.size() * 16); 20980 for (String domain : result) { 20981 if (sb.length() > 0) sb.append(" "); 20982 sb.append(domain); 20983 } 20984 return sb.toString(); 20985 } 20986 20987 // ------- apps on sdcard specific code ------- 20988 static final boolean DEBUG_SD_INSTALL = false; 20989 20990 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 20991 20992 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 20993 20994 private boolean mMediaMounted = false; 20995 20996 static String getEncryptKey() { 20997 try { 20998 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 20999 SD_ENCRYPTION_KEYSTORE_NAME); 21000 if (sdEncKey == null) { 21001 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 21002 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 21003 if (sdEncKey == null) { 21004 Slog.e(TAG, "Failed to create encryption keys"); 21005 return null; 21006 } 21007 } 21008 return sdEncKey; 21009 } catch (NoSuchAlgorithmException nsae) { 21010 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 21011 return null; 21012 } catch (IOException ioe) { 21013 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 21014 return null; 21015 } 21016 } 21017 21018 /* 21019 * Update media status on PackageManager. 21020 */ 21021 @Override 21022 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 21023 int callingUid = Binder.getCallingUid(); 21024 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 21025 throw new SecurityException("Media status can only be updated by the system"); 21026 } 21027 // reader; this apparently protects mMediaMounted, but should probably 21028 // be a different lock in that case. 21029 synchronized (mPackages) { 21030 Log.i(TAG, "Updating external media status from " 21031 + (mMediaMounted ? "mounted" : "unmounted") + " to " 21032 + (mediaStatus ? "mounted" : "unmounted")); 21033 if (DEBUG_SD_INSTALL) 21034 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 21035 + ", mMediaMounted=" + mMediaMounted); 21036 if (mediaStatus == mMediaMounted) { 21037 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 21038 : 0, -1); 21039 mHandler.sendMessage(msg); 21040 return; 21041 } 21042 mMediaMounted = mediaStatus; 21043 } 21044 // Queue up an async operation since the package installation may take a 21045 // little while. 21046 mHandler.post(new Runnable() { 21047 public void run() { 21048 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 21049 } 21050 }); 21051 } 21052 21053 /** 21054 * Called by StorageManagerService when the initial ASECs to scan are available. 21055 * Should block until all the ASEC containers are finished being scanned. 21056 */ 21057 public void scanAvailableAsecs() { 21058 updateExternalMediaStatusInner(true, false, false); 21059 } 21060 21061 /* 21062 * Collect information of applications on external media, map them against 21063 * existing containers and update information based on current mount status. 21064 * Please note that we always have to report status if reportStatus has been 21065 * set to true especially when unloading packages. 21066 */ 21067 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 21068 boolean externalStorage) { 21069 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 21070 int[] uidArr = EmptyArray.INT; 21071 21072 final String[] list = PackageHelper.getSecureContainerList(); 21073 if (ArrayUtils.isEmpty(list)) { 21074 Log.i(TAG, "No secure containers found"); 21075 } else { 21076 // Process list of secure containers and categorize them 21077 // as active or stale based on their package internal state. 21078 21079 // reader 21080 synchronized (mPackages) { 21081 for (String cid : list) { 21082 // Leave stages untouched for now; installer service owns them 21083 if (PackageInstallerService.isStageName(cid)) continue; 21084 21085 if (DEBUG_SD_INSTALL) 21086 Log.i(TAG, "Processing container " + cid); 21087 String pkgName = getAsecPackageName(cid); 21088 if (pkgName == null) { 21089 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 21090 continue; 21091 } 21092 if (DEBUG_SD_INSTALL) 21093 Log.i(TAG, "Looking for pkg : " + pkgName); 21094 21095 final PackageSetting ps = mSettings.mPackages.get(pkgName); 21096 if (ps == null) { 21097 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 21098 continue; 21099 } 21100 21101 /* 21102 * Skip packages that are not external if we're unmounting 21103 * external storage. 21104 */ 21105 if (externalStorage && !isMounted && !isExternal(ps)) { 21106 continue; 21107 } 21108 21109 final AsecInstallArgs args = new AsecInstallArgs(cid, 21110 getAppDexInstructionSets(ps), ps.isForwardLocked()); 21111 // The package status is changed only if the code path 21112 // matches between settings and the container id. 21113 if (ps.codePathString != null 21114 && ps.codePathString.startsWith(args.getCodePath())) { 21115 if (DEBUG_SD_INSTALL) { 21116 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 21117 + " at code path: " + ps.codePathString); 21118 } 21119 21120 // We do have a valid package installed on sdcard 21121 processCids.put(args, ps.codePathString); 21122 final int uid = ps.appId; 21123 if (uid != -1) { 21124 uidArr = ArrayUtils.appendInt(uidArr, uid); 21125 } 21126 } else { 21127 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 21128 + ps.codePathString); 21129 } 21130 } 21131 } 21132 21133 Arrays.sort(uidArr); 21134 } 21135 21136 // Process packages with valid entries. 21137 if (isMounted) { 21138 if (DEBUG_SD_INSTALL) 21139 Log.i(TAG, "Loading packages"); 21140 loadMediaPackages(processCids, uidArr, externalStorage); 21141 startCleaningPackages(); 21142 mInstallerService.onSecureContainersAvailable(); 21143 } else { 21144 if (DEBUG_SD_INSTALL) 21145 Log.i(TAG, "Unloading packages"); 21146 unloadMediaPackages(processCids, uidArr, reportStatus); 21147 } 21148 } 21149 21150 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21151 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 21152 final int size = infos.size(); 21153 final String[] packageNames = new String[size]; 21154 final int[] packageUids = new int[size]; 21155 for (int i = 0; i < size; i++) { 21156 final ApplicationInfo info = infos.get(i); 21157 packageNames[i] = info.packageName; 21158 packageUids[i] = info.uid; 21159 } 21160 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 21161 finishedReceiver); 21162 } 21163 21164 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21165 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21166 sendResourcesChangedBroadcast(mediaStatus, replacing, 21167 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 21168 } 21169 21170 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21171 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21172 int size = pkgList.length; 21173 if (size > 0) { 21174 // Send broadcasts here 21175 Bundle extras = new Bundle(); 21176 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 21177 if (uidArr != null) { 21178 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 21179 } 21180 if (replacing) { 21181 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 21182 } 21183 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 21184 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 21185 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 21186 } 21187 } 21188 21189 /* 21190 * Look at potentially valid container ids from processCids If package 21191 * information doesn't match the one on record or package scanning fails, 21192 * the cid is added to list of removeCids. We currently don't delete stale 21193 * containers. 21194 */ 21195 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 21196 boolean externalStorage) { 21197 ArrayList<String> pkgList = new ArrayList<String>(); 21198 Set<AsecInstallArgs> keys = processCids.keySet(); 21199 21200 for (AsecInstallArgs args : keys) { 21201 String codePath = processCids.get(args); 21202 if (DEBUG_SD_INSTALL) 21203 Log.i(TAG, "Loading container : " + args.cid); 21204 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 21205 try { 21206 // Make sure there are no container errors first. 21207 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 21208 Slog.e(TAG, "Failed to mount cid : " + args.cid 21209 + " when installing from sdcard"); 21210 continue; 21211 } 21212 // Check code path here. 21213 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 21214 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 21215 + " does not match one in settings " + codePath); 21216 continue; 21217 } 21218 // Parse package 21219 int parseFlags = mDefParseFlags; 21220 if (args.isExternalAsec()) { 21221 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 21222 } 21223 if (args.isFwdLocked()) { 21224 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 21225 } 21226 21227 synchronized (mInstallLock) { 21228 PackageParser.Package pkg = null; 21229 try { 21230 // Sadly we don't know the package name yet to freeze it 21231 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 21232 SCAN_IGNORE_FROZEN, 0, null); 21233 } catch (PackageManagerException e) { 21234 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 21235 } 21236 // Scan the package 21237 if (pkg != null) { 21238 /* 21239 * TODO why is the lock being held? doPostInstall is 21240 * called in other places without the lock. This needs 21241 * to be straightened out. 21242 */ 21243 // writer 21244 synchronized (mPackages) { 21245 retCode = PackageManager.INSTALL_SUCCEEDED; 21246 pkgList.add(pkg.packageName); 21247 // Post process args 21248 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 21249 pkg.applicationInfo.uid); 21250 } 21251 } else { 21252 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 21253 } 21254 } 21255 21256 } finally { 21257 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 21258 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 21259 } 21260 } 21261 } 21262 // writer 21263 synchronized (mPackages) { 21264 // If the platform SDK has changed since the last time we booted, 21265 // we need to re-grant app permission to catch any new ones that 21266 // appear. This is really a hack, and means that apps can in some 21267 // cases get permissions that the user didn't initially explicitly 21268 // allow... it would be nice to have some better way to handle 21269 // this situation. 21270 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 21271 : mSettings.getInternalVersion(); 21272 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 21273 : StorageManager.UUID_PRIVATE_INTERNAL; 21274 21275 int updateFlags = UPDATE_PERMISSIONS_ALL; 21276 if (ver.sdkVersion != mSdkVersion) { 21277 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21278 + mSdkVersion + "; regranting permissions for external"); 21279 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21280 } 21281 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21282 21283 // Yay, everything is now upgraded 21284 ver.forceCurrent(); 21285 21286 // can downgrade to reader 21287 // Persist settings 21288 mSettings.writeLPr(); 21289 } 21290 // Send a broadcast to let everyone know we are done processing 21291 if (pkgList.size() > 0) { 21292 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 21293 } 21294 } 21295 21296 /* 21297 * Utility method to unload a list of specified containers 21298 */ 21299 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 21300 // Just unmount all valid containers. 21301 for (AsecInstallArgs arg : cidArgs) { 21302 synchronized (mInstallLock) { 21303 arg.doPostDeleteLI(false); 21304 } 21305 } 21306 } 21307 21308 /* 21309 * Unload packages mounted on external media. This involves deleting package 21310 * data from internal structures, sending broadcasts about disabled packages, 21311 * gc'ing to free up references, unmounting all secure containers 21312 * corresponding to packages on external media, and posting a 21313 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 21314 * that we always have to post this message if status has been requested no 21315 * matter what. 21316 */ 21317 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 21318 final boolean reportStatus) { 21319 if (DEBUG_SD_INSTALL) 21320 Log.i(TAG, "unloading media packages"); 21321 ArrayList<String> pkgList = new ArrayList<String>(); 21322 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 21323 final Set<AsecInstallArgs> keys = processCids.keySet(); 21324 for (AsecInstallArgs args : keys) { 21325 String pkgName = args.getPackageName(); 21326 if (DEBUG_SD_INSTALL) 21327 Log.i(TAG, "Trying to unload pkg : " + pkgName); 21328 // Delete package internally 21329 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21330 synchronized (mInstallLock) { 21331 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21332 final boolean res; 21333 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 21334 "unloadMediaPackages")) { 21335 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 21336 null); 21337 } 21338 if (res) { 21339 pkgList.add(pkgName); 21340 } else { 21341 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 21342 failedList.add(args); 21343 } 21344 } 21345 } 21346 21347 // reader 21348 synchronized (mPackages) { 21349 // We didn't update the settings after removing each package; 21350 // write them now for all packages. 21351 mSettings.writeLPr(); 21352 } 21353 21354 // We have to absolutely send UPDATED_MEDIA_STATUS only 21355 // after confirming that all the receivers processed the ordered 21356 // broadcast when packages get disabled, force a gc to clean things up. 21357 // and unload all the containers. 21358 if (pkgList.size() > 0) { 21359 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 21360 new IIntentReceiver.Stub() { 21361 public void performReceive(Intent intent, int resultCode, String data, 21362 Bundle extras, boolean ordered, boolean sticky, 21363 int sendingUser) throws RemoteException { 21364 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 21365 reportStatus ? 1 : 0, 1, keys); 21366 mHandler.sendMessage(msg); 21367 } 21368 }); 21369 } else { 21370 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 21371 keys); 21372 mHandler.sendMessage(msg); 21373 } 21374 } 21375 21376 private void loadPrivatePackages(final VolumeInfo vol) { 21377 mHandler.post(new Runnable() { 21378 @Override 21379 public void run() { 21380 loadPrivatePackagesInner(vol); 21381 } 21382 }); 21383 } 21384 21385 private void loadPrivatePackagesInner(VolumeInfo vol) { 21386 final String volumeUuid = vol.fsUuid; 21387 if (TextUtils.isEmpty(volumeUuid)) { 21388 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 21389 return; 21390 } 21391 21392 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 21393 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 21394 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 21395 21396 final VersionInfo ver; 21397 final List<PackageSetting> packages; 21398 synchronized (mPackages) { 21399 ver = mSettings.findOrCreateVersion(volumeUuid); 21400 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21401 } 21402 21403 for (PackageSetting ps : packages) { 21404 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 21405 synchronized (mInstallLock) { 21406 final PackageParser.Package pkg; 21407 try { 21408 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 21409 loaded.add(pkg.applicationInfo); 21410 21411 } catch (PackageManagerException e) { 21412 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 21413 } 21414 21415 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 21416 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 21417 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 21418 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 21419 } 21420 } 21421 } 21422 21423 // Reconcile app data for all started/unlocked users 21424 final StorageManager sm = mContext.getSystemService(StorageManager.class); 21425 final UserManager um = mContext.getSystemService(UserManager.class); 21426 UserManagerInternal umInternal = getUserManagerInternal(); 21427 for (UserInfo user : um.getUsers()) { 21428 final int flags; 21429 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21430 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21431 } else if (umInternal.isUserRunning(user.id)) { 21432 flags = StorageManager.FLAG_STORAGE_DE; 21433 } else { 21434 continue; 21435 } 21436 21437 try { 21438 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 21439 synchronized (mInstallLock) { 21440 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 21441 } 21442 } catch (IllegalStateException e) { 21443 // Device was probably ejected, and we'll process that event momentarily 21444 Slog.w(TAG, "Failed to prepare storage: " + e); 21445 } 21446 } 21447 21448 synchronized (mPackages) { 21449 int updateFlags = UPDATE_PERMISSIONS_ALL; 21450 if (ver.sdkVersion != mSdkVersion) { 21451 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21452 + mSdkVersion + "; regranting permissions for " + volumeUuid); 21453 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21454 } 21455 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21456 21457 // Yay, everything is now upgraded 21458 ver.forceCurrent(); 21459 21460 mSettings.writeLPr(); 21461 } 21462 21463 for (PackageFreezer freezer : freezers) { 21464 freezer.close(); 21465 } 21466 21467 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 21468 sendResourcesChangedBroadcast(true, false, loaded, null); 21469 } 21470 21471 private void unloadPrivatePackages(final VolumeInfo vol) { 21472 mHandler.post(new Runnable() { 21473 @Override 21474 public void run() { 21475 unloadPrivatePackagesInner(vol); 21476 } 21477 }); 21478 } 21479 21480 private void unloadPrivatePackagesInner(VolumeInfo vol) { 21481 final String volumeUuid = vol.fsUuid; 21482 if (TextUtils.isEmpty(volumeUuid)) { 21483 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 21484 return; 21485 } 21486 21487 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 21488 synchronized (mInstallLock) { 21489 synchronized (mPackages) { 21490 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 21491 for (PackageSetting ps : packages) { 21492 if (ps.pkg == null) continue; 21493 21494 final ApplicationInfo info = ps.pkg.applicationInfo; 21495 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21496 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21497 21498 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 21499 "unloadPrivatePackagesInner")) { 21500 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 21501 false, null)) { 21502 unloaded.add(info); 21503 } else { 21504 Slog.w(TAG, "Failed to unload " + ps.codePath); 21505 } 21506 } 21507 21508 // Try very hard to release any references to this package 21509 // so we don't risk the system server being killed due to 21510 // open FDs 21511 AttributeCache.instance().removePackage(ps.name); 21512 } 21513 21514 mSettings.writeLPr(); 21515 } 21516 } 21517 21518 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 21519 sendResourcesChangedBroadcast(false, false, unloaded, null); 21520 21521 // Try very hard to release any references to this path so we don't risk 21522 // the system server being killed due to open FDs 21523 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 21524 21525 for (int i = 0; i < 3; i++) { 21526 System.gc(); 21527 System.runFinalization(); 21528 } 21529 } 21530 21531 private void assertPackageKnown(String volumeUuid, String packageName) 21532 throws PackageManagerException { 21533 synchronized (mPackages) { 21534 // Normalize package name to handle renamed packages 21535 packageName = normalizePackageNameLPr(packageName); 21536 21537 final PackageSetting ps = mSettings.mPackages.get(packageName); 21538 if (ps == null) { 21539 throw new PackageManagerException("Package " + packageName + " is unknown"); 21540 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21541 throw new PackageManagerException( 21542 "Package " + packageName + " found on unknown volume " + volumeUuid 21543 + "; expected volume " + ps.volumeUuid); 21544 } 21545 } 21546 } 21547 21548 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 21549 throws PackageManagerException { 21550 synchronized (mPackages) { 21551 // Normalize package name to handle renamed packages 21552 packageName = normalizePackageNameLPr(packageName); 21553 21554 final PackageSetting ps = mSettings.mPackages.get(packageName); 21555 if (ps == null) { 21556 throw new PackageManagerException("Package " + packageName + " is unknown"); 21557 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21558 throw new PackageManagerException( 21559 "Package " + packageName + " found on unknown volume " + volumeUuid 21560 + "; expected volume " + ps.volumeUuid); 21561 } else if (!ps.getInstalled(userId)) { 21562 throw new PackageManagerException( 21563 "Package " + packageName + " not installed for user " + userId); 21564 } 21565 } 21566 } 21567 21568 private List<String> collectAbsoluteCodePaths() { 21569 synchronized (mPackages) { 21570 List<String> codePaths = new ArrayList<>(); 21571 final int packageCount = mSettings.mPackages.size(); 21572 for (int i = 0; i < packageCount; i++) { 21573 final PackageSetting ps = mSettings.mPackages.valueAt(i); 21574 codePaths.add(ps.codePath.getAbsolutePath()); 21575 } 21576 return codePaths; 21577 } 21578 } 21579 21580 /** 21581 * Examine all apps present on given mounted volume, and destroy apps that 21582 * aren't expected, either due to uninstallation or reinstallation on 21583 * another volume. 21584 */ 21585 private void reconcileApps(String volumeUuid) { 21586 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 21587 List<File> filesToDelete = null; 21588 21589 final File[] files = FileUtils.listFilesOrEmpty( 21590 Environment.getDataAppDirectory(volumeUuid)); 21591 for (File file : files) { 21592 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 21593 && !PackageInstallerService.isStageName(file.getName()); 21594 if (!isPackage) { 21595 // Ignore entries which are not packages 21596 continue; 21597 } 21598 21599 String absolutePath = file.getAbsolutePath(); 21600 21601 boolean pathValid = false; 21602 final int absoluteCodePathCount = absoluteCodePaths.size(); 21603 for (int i = 0; i < absoluteCodePathCount; i++) { 21604 String absoluteCodePath = absoluteCodePaths.get(i); 21605 if (absolutePath.startsWith(absoluteCodePath)) { 21606 pathValid = true; 21607 break; 21608 } 21609 } 21610 21611 if (!pathValid) { 21612 if (filesToDelete == null) { 21613 filesToDelete = new ArrayList<>(); 21614 } 21615 filesToDelete.add(file); 21616 } 21617 } 21618 21619 if (filesToDelete != null) { 21620 final int fileToDeleteCount = filesToDelete.size(); 21621 for (int i = 0; i < fileToDeleteCount; i++) { 21622 File fileToDelete = filesToDelete.get(i); 21623 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 21624 synchronized (mInstallLock) { 21625 removeCodePathLI(fileToDelete); 21626 } 21627 } 21628 } 21629 } 21630 21631 /** 21632 * Reconcile all app data for the given user. 21633 * <p> 21634 * Verifies that directories exist and that ownership and labeling is 21635 * correct for all installed apps on all mounted volumes. 21636 */ 21637 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 21638 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21639 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 21640 final String volumeUuid = vol.getFsUuid(); 21641 synchronized (mInstallLock) { 21642 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 21643 } 21644 } 21645 } 21646 21647 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21648 boolean migrateAppData) { 21649 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppData, false /* onlyCoreApps */); 21650 } 21651 21652 /** 21653 * Reconcile all app data on given mounted volume. 21654 * <p> 21655 * Destroys app data that isn't expected, either due to uninstallation or 21656 * reinstallation on another volume. 21657 * <p> 21658 * Verifies that directories exist and that ownership and labeling is 21659 * correct for all installed apps. 21660 * @returns list of skipped non-core packages (if {@code onlyCoreApps} is true) 21661 */ 21662 private List<String> reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21663 boolean migrateAppData, boolean onlyCoreApps) { 21664 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 21665 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 21666 List<String> result = onlyCoreApps ? new ArrayList<>() : null; 21667 21668 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 21669 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 21670 21671 // First look for stale data that doesn't belong, and check if things 21672 // have changed since we did our last restorecon 21673 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21674 if (StorageManager.isFileEncryptedNativeOrEmulated() 21675 && !StorageManager.isUserKeyUnlocked(userId)) { 21676 throw new RuntimeException( 21677 "Yikes, someone asked us to reconcile CE storage while " + userId 21678 + " was still locked; this would have caused massive data loss!"); 21679 } 21680 21681 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 21682 for (File file : files) { 21683 final String packageName = file.getName(); 21684 try { 21685 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21686 } catch (PackageManagerException e) { 21687 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21688 try { 21689 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21690 StorageManager.FLAG_STORAGE_CE, 0); 21691 } catch (InstallerException e2) { 21692 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21693 } 21694 } 21695 } 21696 } 21697 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 21698 final File[] files = FileUtils.listFilesOrEmpty(deDir); 21699 for (File file : files) { 21700 final String packageName = file.getName(); 21701 try { 21702 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21703 } catch (PackageManagerException e) { 21704 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21705 try { 21706 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21707 StorageManager.FLAG_STORAGE_DE, 0); 21708 } catch (InstallerException e2) { 21709 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21710 } 21711 } 21712 } 21713 } 21714 21715 // Ensure that data directories are ready to roll for all packages 21716 // installed for this volume and user 21717 final List<PackageSetting> packages; 21718 synchronized (mPackages) { 21719 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21720 } 21721 int preparedCount = 0; 21722 for (PackageSetting ps : packages) { 21723 final String packageName = ps.name; 21724 if (ps.pkg == null) { 21725 Slog.w(TAG, "Odd, missing scanned package " + packageName); 21726 // TODO: might be due to legacy ASEC apps; we should circle back 21727 // and reconcile again once they're scanned 21728 continue; 21729 } 21730 // Skip non-core apps if requested 21731 if (onlyCoreApps && !ps.pkg.coreApp) { 21732 result.add(packageName); 21733 continue; 21734 } 21735 21736 if (ps.getInstalled(userId)) { 21737 prepareAppDataAndMigrateLIF(ps.pkg, userId, flags, migrateAppData); 21738 preparedCount++; 21739 } 21740 } 21741 21742 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 21743 return result; 21744 } 21745 21746 /** 21747 * Prepare app data for the given app just after it was installed or 21748 * upgraded. This method carefully only touches users that it's installed 21749 * for, and it forces a restorecon to handle any seinfo changes. 21750 * <p> 21751 * Verifies that directories exist and that ownership and labeling is 21752 * correct for all installed apps. If there is an ownership mismatch, it 21753 * will try recovering system apps by wiping data; third-party app data is 21754 * left intact. 21755 * <p> 21756 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 21757 */ 21758 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 21759 final PackageSetting ps; 21760 synchronized (mPackages) { 21761 ps = mSettings.mPackages.get(pkg.packageName); 21762 mSettings.writeKernelMappingLPr(ps); 21763 } 21764 21765 final UserManager um = mContext.getSystemService(UserManager.class); 21766 UserManagerInternal umInternal = getUserManagerInternal(); 21767 for (UserInfo user : um.getUsers()) { 21768 final int flags; 21769 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21770 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21771 } else if (umInternal.isUserRunning(user.id)) { 21772 flags = StorageManager.FLAG_STORAGE_DE; 21773 } else { 21774 continue; 21775 } 21776 21777 if (ps.getInstalled(user.id)) { 21778 // TODO: when user data is locked, mark that we're still dirty 21779 prepareAppDataLIF(pkg, user.id, flags); 21780 } 21781 } 21782 } 21783 21784 /** 21785 * Prepare app data for the given app. 21786 * <p> 21787 * Verifies that directories exist and that ownership and labeling is 21788 * correct for all installed apps. If there is an ownership mismatch, this 21789 * will try recovering system apps by wiping data; third-party app data is 21790 * left intact. 21791 */ 21792 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 21793 if (pkg == null) { 21794 Slog.wtf(TAG, "Package was null!", new Throwable()); 21795 return; 21796 } 21797 prepareAppDataLeafLIF(pkg, userId, flags); 21798 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21799 for (int i = 0; i < childCount; i++) { 21800 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 21801 } 21802 } 21803 21804 private void prepareAppDataAndMigrateLIF(PackageParser.Package pkg, int userId, int flags, 21805 boolean maybeMigrateAppData) { 21806 prepareAppDataLIF(pkg, userId, flags); 21807 21808 if (maybeMigrateAppData && maybeMigrateAppDataLIF(pkg, userId)) { 21809 // We may have just shuffled around app data directories, so 21810 // prepare them one more time 21811 prepareAppDataLIF(pkg, userId, flags); 21812 } 21813 } 21814 21815 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21816 if (DEBUG_APP_DATA) { 21817 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 21818 + Integer.toHexString(flags)); 21819 } 21820 21821 final String volumeUuid = pkg.volumeUuid; 21822 final String packageName = pkg.packageName; 21823 final ApplicationInfo app = pkg.applicationInfo; 21824 final int appId = UserHandle.getAppId(app.uid); 21825 21826 Preconditions.checkNotNull(app.seInfo); 21827 21828 long ceDataInode = -1; 21829 try { 21830 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21831 appId, app.seInfo, app.targetSdkVersion); 21832 } catch (InstallerException e) { 21833 if (app.isSystemApp()) { 21834 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 21835 + ", but trying to recover: " + e); 21836 destroyAppDataLeafLIF(pkg, userId, flags); 21837 try { 21838 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21839 appId, app.seInfo, app.targetSdkVersion); 21840 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 21841 } catch (InstallerException e2) { 21842 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 21843 } 21844 } else { 21845 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 21846 } 21847 } 21848 21849 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 21850 // TODO: mark this structure as dirty so we persist it! 21851 synchronized (mPackages) { 21852 final PackageSetting ps = mSettings.mPackages.get(packageName); 21853 if (ps != null) { 21854 ps.setCeDataInode(ceDataInode, userId); 21855 } 21856 } 21857 } 21858 21859 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21860 } 21861 21862 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 21863 if (pkg == null) { 21864 Slog.wtf(TAG, "Package was null!", new Throwable()); 21865 return; 21866 } 21867 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21868 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21869 for (int i = 0; i < childCount; i++) { 21870 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 21871 } 21872 } 21873 21874 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21875 final String volumeUuid = pkg.volumeUuid; 21876 final String packageName = pkg.packageName; 21877 final ApplicationInfo app = pkg.applicationInfo; 21878 21879 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21880 // Create a native library symlink only if we have native libraries 21881 // and if the native libraries are 32 bit libraries. We do not provide 21882 // this symlink for 64 bit libraries. 21883 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 21884 final String nativeLibPath = app.nativeLibraryDir; 21885 try { 21886 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 21887 nativeLibPath, userId); 21888 } catch (InstallerException e) { 21889 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 21890 } 21891 } 21892 } 21893 } 21894 21895 /** 21896 * For system apps on non-FBE devices, this method migrates any existing 21897 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 21898 * requested by the app. 21899 */ 21900 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 21901 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 21902 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 21903 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 21904 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 21905 try { 21906 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 21907 storageTarget); 21908 } catch (InstallerException e) { 21909 logCriticalInfo(Log.WARN, 21910 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 21911 } 21912 return true; 21913 } else { 21914 return false; 21915 } 21916 } 21917 21918 public PackageFreezer freezePackage(String packageName, String killReason) { 21919 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 21920 } 21921 21922 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 21923 return new PackageFreezer(packageName, userId, killReason); 21924 } 21925 21926 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 21927 String killReason) { 21928 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 21929 } 21930 21931 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 21932 String killReason) { 21933 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 21934 return new PackageFreezer(); 21935 } else { 21936 return freezePackage(packageName, userId, killReason); 21937 } 21938 } 21939 21940 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 21941 String killReason) { 21942 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 21943 } 21944 21945 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 21946 String killReason) { 21947 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 21948 return new PackageFreezer(); 21949 } else { 21950 return freezePackage(packageName, userId, killReason); 21951 } 21952 } 21953 21954 /** 21955 * Class that freezes and kills the given package upon creation, and 21956 * unfreezes it upon closing. This is typically used when doing surgery on 21957 * app code/data to prevent the app from running while you're working. 21958 */ 21959 private class PackageFreezer implements AutoCloseable { 21960 private final String mPackageName; 21961 private final PackageFreezer[] mChildren; 21962 21963 private final boolean mWeFroze; 21964 21965 private final AtomicBoolean mClosed = new AtomicBoolean(); 21966 private final CloseGuard mCloseGuard = CloseGuard.get(); 21967 21968 /** 21969 * Create and return a stub freezer that doesn't actually do anything, 21970 * typically used when someone requested 21971 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 21972 * {@link PackageManager#DELETE_DONT_KILL_APP}. 21973 */ 21974 public PackageFreezer() { 21975 mPackageName = null; 21976 mChildren = null; 21977 mWeFroze = false; 21978 mCloseGuard.open("close"); 21979 } 21980 21981 public PackageFreezer(String packageName, int userId, String killReason) { 21982 synchronized (mPackages) { 21983 mPackageName = packageName; 21984 mWeFroze = mFrozenPackages.add(mPackageName); 21985 21986 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 21987 if (ps != null) { 21988 killApplication(ps.name, ps.appId, userId, killReason); 21989 } 21990 21991 final PackageParser.Package p = mPackages.get(packageName); 21992 if (p != null && p.childPackages != null) { 21993 final int N = p.childPackages.size(); 21994 mChildren = new PackageFreezer[N]; 21995 for (int i = 0; i < N; i++) { 21996 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 21997 userId, killReason); 21998 } 21999 } else { 22000 mChildren = null; 22001 } 22002 } 22003 mCloseGuard.open("close"); 22004 } 22005 22006 @Override 22007 protected void finalize() throws Throwable { 22008 try { 22009 mCloseGuard.warnIfOpen(); 22010 close(); 22011 } finally { 22012 super.finalize(); 22013 } 22014 } 22015 22016 @Override 22017 public void close() { 22018 mCloseGuard.close(); 22019 if (mClosed.compareAndSet(false, true)) { 22020 synchronized (mPackages) { 22021 if (mWeFroze) { 22022 mFrozenPackages.remove(mPackageName); 22023 } 22024 22025 if (mChildren != null) { 22026 for (PackageFreezer freezer : mChildren) { 22027 freezer.close(); 22028 } 22029 } 22030 } 22031 } 22032 } 22033 } 22034 22035 /** 22036 * Verify that given package is currently frozen. 22037 */ 22038 private void checkPackageFrozen(String packageName) { 22039 synchronized (mPackages) { 22040 if (!mFrozenPackages.contains(packageName)) { 22041 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 22042 } 22043 } 22044 } 22045 22046 @Override 22047 public int movePackage(final String packageName, final String volumeUuid) { 22048 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22049 22050 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 22051 final int moveId = mNextMoveId.getAndIncrement(); 22052 mHandler.post(new Runnable() { 22053 @Override 22054 public void run() { 22055 try { 22056 movePackageInternal(packageName, volumeUuid, moveId, user); 22057 } catch (PackageManagerException e) { 22058 Slog.w(TAG, "Failed to move " + packageName, e); 22059 mMoveCallbacks.notifyStatusChanged(moveId, 22060 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22061 } 22062 } 22063 }); 22064 return moveId; 22065 } 22066 22067 private void movePackageInternal(final String packageName, final String volumeUuid, 22068 final int moveId, UserHandle user) throws PackageManagerException { 22069 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22070 final PackageManager pm = mContext.getPackageManager(); 22071 22072 final boolean currentAsec; 22073 final String currentVolumeUuid; 22074 final File codeFile; 22075 final String installerPackageName; 22076 final String packageAbiOverride; 22077 final int appId; 22078 final String seinfo; 22079 final String label; 22080 final int targetSdkVersion; 22081 final PackageFreezer freezer; 22082 final int[] installedUserIds; 22083 22084 // reader 22085 synchronized (mPackages) { 22086 final PackageParser.Package pkg = mPackages.get(packageName); 22087 final PackageSetting ps = mSettings.mPackages.get(packageName); 22088 if (pkg == null || ps == null) { 22089 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 22090 } 22091 22092 if (pkg.applicationInfo.isSystemApp()) { 22093 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 22094 "Cannot move system application"); 22095 } 22096 22097 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 22098 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 22099 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 22100 if (isInternalStorage && !allow3rdPartyOnInternal) { 22101 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 22102 "3rd party apps are not allowed on internal storage"); 22103 } 22104 22105 if (pkg.applicationInfo.isExternalAsec()) { 22106 currentAsec = true; 22107 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 22108 } else if (pkg.applicationInfo.isForwardLocked()) { 22109 currentAsec = true; 22110 currentVolumeUuid = "forward_locked"; 22111 } else { 22112 currentAsec = false; 22113 currentVolumeUuid = ps.volumeUuid; 22114 22115 final File probe = new File(pkg.codePath); 22116 final File probeOat = new File(probe, "oat"); 22117 if (!probe.isDirectory() || !probeOat.isDirectory()) { 22118 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22119 "Move only supported for modern cluster style installs"); 22120 } 22121 } 22122 22123 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 22124 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22125 "Package already moved to " + volumeUuid); 22126 } 22127 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 22128 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 22129 "Device admin cannot be moved"); 22130 } 22131 22132 if (mFrozenPackages.contains(packageName)) { 22133 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 22134 "Failed to move already frozen package"); 22135 } 22136 22137 codeFile = new File(pkg.codePath); 22138 installerPackageName = ps.installerPackageName; 22139 packageAbiOverride = ps.cpuAbiOverrideString; 22140 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 22141 seinfo = pkg.applicationInfo.seInfo; 22142 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 22143 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 22144 freezer = freezePackage(packageName, "movePackageInternal"); 22145 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 22146 } 22147 22148 final Bundle extras = new Bundle(); 22149 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 22150 extras.putString(Intent.EXTRA_TITLE, label); 22151 mMoveCallbacks.notifyCreated(moveId, extras); 22152 22153 int installFlags; 22154 final boolean moveCompleteApp; 22155 final File measurePath; 22156 22157 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 22158 installFlags = INSTALL_INTERNAL; 22159 moveCompleteApp = !currentAsec; 22160 measurePath = Environment.getDataAppDirectory(volumeUuid); 22161 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 22162 installFlags = INSTALL_EXTERNAL; 22163 moveCompleteApp = false; 22164 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 22165 } else { 22166 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 22167 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 22168 || !volume.isMountedWritable()) { 22169 freezer.close(); 22170 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22171 "Move location not mounted private volume"); 22172 } 22173 22174 Preconditions.checkState(!currentAsec); 22175 22176 installFlags = INSTALL_INTERNAL; 22177 moveCompleteApp = true; 22178 measurePath = Environment.getDataAppDirectory(volumeUuid); 22179 } 22180 22181 final PackageStats stats = new PackageStats(null, -1); 22182 synchronized (mInstaller) { 22183 for (int userId : installedUserIds) { 22184 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 22185 freezer.close(); 22186 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22187 "Failed to measure package size"); 22188 } 22189 } 22190 } 22191 22192 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 22193 + stats.dataSize); 22194 22195 final long startFreeBytes = measurePath.getFreeSpace(); 22196 final long sizeBytes; 22197 if (moveCompleteApp) { 22198 sizeBytes = stats.codeSize + stats.dataSize; 22199 } else { 22200 sizeBytes = stats.codeSize; 22201 } 22202 22203 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 22204 freezer.close(); 22205 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22206 "Not enough free space to move"); 22207 } 22208 22209 mMoveCallbacks.notifyStatusChanged(moveId, 10); 22210 22211 final CountDownLatch installedLatch = new CountDownLatch(1); 22212 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 22213 @Override 22214 public void onUserActionRequired(Intent intent) throws RemoteException { 22215 throw new IllegalStateException(); 22216 } 22217 22218 @Override 22219 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 22220 Bundle extras) throws RemoteException { 22221 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 22222 + PackageManager.installStatusToString(returnCode, msg)); 22223 22224 installedLatch.countDown(); 22225 freezer.close(); 22226 22227 final int status = PackageManager.installStatusToPublicStatus(returnCode); 22228 switch (status) { 22229 case PackageInstaller.STATUS_SUCCESS: 22230 mMoveCallbacks.notifyStatusChanged(moveId, 22231 PackageManager.MOVE_SUCCEEDED); 22232 break; 22233 case PackageInstaller.STATUS_FAILURE_STORAGE: 22234 mMoveCallbacks.notifyStatusChanged(moveId, 22235 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 22236 break; 22237 default: 22238 mMoveCallbacks.notifyStatusChanged(moveId, 22239 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22240 break; 22241 } 22242 } 22243 }; 22244 22245 final MoveInfo move; 22246 if (moveCompleteApp) { 22247 // Kick off a thread to report progress estimates 22248 new Thread() { 22249 @Override 22250 public void run() { 22251 while (true) { 22252 try { 22253 if (installedLatch.await(1, TimeUnit.SECONDS)) { 22254 break; 22255 } 22256 } catch (InterruptedException ignored) { 22257 } 22258 22259 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 22260 final int progress = 10 + (int) MathUtils.constrain( 22261 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 22262 mMoveCallbacks.notifyStatusChanged(moveId, progress); 22263 } 22264 } 22265 }.start(); 22266 22267 final String dataAppName = codeFile.getName(); 22268 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 22269 dataAppName, appId, seinfo, targetSdkVersion); 22270 } else { 22271 move = null; 22272 } 22273 22274 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 22275 22276 final Message msg = mHandler.obtainMessage(INIT_COPY); 22277 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 22278 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 22279 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 22280 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/, 22281 PackageManager.INSTALL_REASON_UNKNOWN); 22282 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 22283 msg.obj = params; 22284 22285 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 22286 System.identityHashCode(msg.obj)); 22287 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 22288 System.identityHashCode(msg.obj)); 22289 22290 mHandler.sendMessage(msg); 22291 } 22292 22293 @Override 22294 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 22295 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22296 22297 final int realMoveId = mNextMoveId.getAndIncrement(); 22298 final Bundle extras = new Bundle(); 22299 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 22300 mMoveCallbacks.notifyCreated(realMoveId, extras); 22301 22302 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 22303 @Override 22304 public void onCreated(int moveId, Bundle extras) { 22305 // Ignored 22306 } 22307 22308 @Override 22309 public void onStatusChanged(int moveId, int status, long estMillis) { 22310 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 22311 } 22312 }; 22313 22314 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22315 storage.setPrimaryStorageUuid(volumeUuid, callback); 22316 return realMoveId; 22317 } 22318 22319 @Override 22320 public int getMoveStatus(int moveId) { 22321 mContext.enforceCallingOrSelfPermission( 22322 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22323 return mMoveCallbacks.mLastStatus.get(moveId); 22324 } 22325 22326 @Override 22327 public void registerMoveCallback(IPackageMoveObserver callback) { 22328 mContext.enforceCallingOrSelfPermission( 22329 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22330 mMoveCallbacks.register(callback); 22331 } 22332 22333 @Override 22334 public void unregisterMoveCallback(IPackageMoveObserver callback) { 22335 mContext.enforceCallingOrSelfPermission( 22336 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22337 mMoveCallbacks.unregister(callback); 22338 } 22339 22340 @Override 22341 public boolean setInstallLocation(int loc) { 22342 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 22343 null); 22344 if (getInstallLocation() == loc) { 22345 return true; 22346 } 22347 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 22348 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 22349 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 22350 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 22351 return true; 22352 } 22353 return false; 22354 } 22355 22356 @Override 22357 public int getInstallLocation() { 22358 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 22359 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 22360 PackageHelper.APP_INSTALL_AUTO); 22361 } 22362 22363 /** Called by UserManagerService */ 22364 void cleanUpUser(UserManagerService userManager, int userHandle) { 22365 synchronized (mPackages) { 22366 mDirtyUsers.remove(userHandle); 22367 mUserNeedsBadging.delete(userHandle); 22368 mSettings.removeUserLPw(userHandle); 22369 mPendingBroadcasts.remove(userHandle); 22370 mInstantAppRegistry.onUserRemovedLPw(userHandle); 22371 removeUnusedPackagesLPw(userManager, userHandle); 22372 } 22373 } 22374 22375 /** 22376 * We're removing userHandle and would like to remove any downloaded packages 22377 * that are no longer in use by any other user. 22378 * @param userHandle the user being removed 22379 */ 22380 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 22381 final boolean DEBUG_CLEAN_APKS = false; 22382 int [] users = userManager.getUserIds(); 22383 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 22384 while (psit.hasNext()) { 22385 PackageSetting ps = psit.next(); 22386 if (ps.pkg == null) { 22387 continue; 22388 } 22389 final String packageName = ps.pkg.packageName; 22390 // Skip over if system app 22391 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 22392 continue; 22393 } 22394 if (DEBUG_CLEAN_APKS) { 22395 Slog.i(TAG, "Checking package " + packageName); 22396 } 22397 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 22398 if (keep) { 22399 if (DEBUG_CLEAN_APKS) { 22400 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 22401 } 22402 } else { 22403 for (int i = 0; i < users.length; i++) { 22404 if (users[i] != userHandle && ps.getInstalled(users[i])) { 22405 keep = true; 22406 if (DEBUG_CLEAN_APKS) { 22407 Slog.i(TAG, " Keeping package " + packageName + " for user " 22408 + users[i]); 22409 } 22410 break; 22411 } 22412 } 22413 } 22414 if (!keep) { 22415 if (DEBUG_CLEAN_APKS) { 22416 Slog.i(TAG, " Removing package " + packageName); 22417 } 22418 mHandler.post(new Runnable() { 22419 public void run() { 22420 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22421 userHandle, 0); 22422 } //end run 22423 }); 22424 } 22425 } 22426 } 22427 22428 /** Called by UserManagerService */ 22429 void createNewUser(int userId, String[] disallowedPackages) { 22430 synchronized (mInstallLock) { 22431 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 22432 } 22433 synchronized (mPackages) { 22434 scheduleWritePackageRestrictionsLocked(userId); 22435 scheduleWritePackageListLocked(userId); 22436 applyFactoryDefaultBrowserLPw(userId); 22437 primeDomainVerificationsLPw(userId); 22438 } 22439 } 22440 22441 void onNewUserCreated(final int userId) { 22442 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 22443 // If permission review for legacy apps is required, we represent 22444 // dagerous permissions for such apps as always granted runtime 22445 // permissions to keep per user flag state whether review is needed. 22446 // Hence, if a new user is added we have to propagate dangerous 22447 // permission grants for these legacy apps. 22448 if (mPermissionReviewRequired) { 22449 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 22450 | UPDATE_PERMISSIONS_REPLACE_ALL); 22451 } 22452 } 22453 22454 @Override 22455 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 22456 mContext.enforceCallingOrSelfPermission( 22457 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 22458 "Only package verification agents can read the verifier device identity"); 22459 22460 synchronized (mPackages) { 22461 return mSettings.getVerifierDeviceIdentityLPw(); 22462 } 22463 } 22464 22465 @Override 22466 public void setPermissionEnforced(String permission, boolean enforced) { 22467 // TODO: Now that we no longer change GID for storage, this should to away. 22468 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 22469 "setPermissionEnforced"); 22470 if (READ_EXTERNAL_STORAGE.equals(permission)) { 22471 synchronized (mPackages) { 22472 if (mSettings.mReadExternalStorageEnforced == null 22473 || mSettings.mReadExternalStorageEnforced != enforced) { 22474 mSettings.mReadExternalStorageEnforced = enforced; 22475 mSettings.writeLPr(); 22476 } 22477 } 22478 // kill any non-foreground processes so we restart them and 22479 // grant/revoke the GID. 22480 final IActivityManager am = ActivityManager.getService(); 22481 if (am != null) { 22482 final long token = Binder.clearCallingIdentity(); 22483 try { 22484 am.killProcessesBelowForeground("setPermissionEnforcement"); 22485 } catch (RemoteException e) { 22486 } finally { 22487 Binder.restoreCallingIdentity(token); 22488 } 22489 } 22490 } else { 22491 throw new IllegalArgumentException("No selective enforcement for " + permission); 22492 } 22493 } 22494 22495 @Override 22496 @Deprecated 22497 public boolean isPermissionEnforced(String permission) { 22498 return true; 22499 } 22500 22501 @Override 22502 public boolean isStorageLow() { 22503 final long token = Binder.clearCallingIdentity(); 22504 try { 22505 final DeviceStorageMonitorInternal 22506 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 22507 if (dsm != null) { 22508 return dsm.isMemoryLow(); 22509 } else { 22510 return false; 22511 } 22512 } finally { 22513 Binder.restoreCallingIdentity(token); 22514 } 22515 } 22516 22517 @Override 22518 public IPackageInstaller getPackageInstaller() { 22519 return mInstallerService; 22520 } 22521 22522 private boolean userNeedsBadging(int userId) { 22523 int index = mUserNeedsBadging.indexOfKey(userId); 22524 if (index < 0) { 22525 final UserInfo userInfo; 22526 final long token = Binder.clearCallingIdentity(); 22527 try { 22528 userInfo = sUserManager.getUserInfo(userId); 22529 } finally { 22530 Binder.restoreCallingIdentity(token); 22531 } 22532 final boolean b; 22533 if (userInfo != null && userInfo.isManagedProfile()) { 22534 b = true; 22535 } else { 22536 b = false; 22537 } 22538 mUserNeedsBadging.put(userId, b); 22539 return b; 22540 } 22541 return mUserNeedsBadging.valueAt(index); 22542 } 22543 22544 @Override 22545 public KeySet getKeySetByAlias(String packageName, String alias) { 22546 if (packageName == null || alias == null) { 22547 return null; 22548 } 22549 synchronized(mPackages) { 22550 final PackageParser.Package pkg = mPackages.get(packageName); 22551 if (pkg == null) { 22552 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22553 throw new IllegalArgumentException("Unknown package: " + packageName); 22554 } 22555 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22556 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 22557 } 22558 } 22559 22560 @Override 22561 public KeySet getSigningKeySet(String packageName) { 22562 if (packageName == null) { 22563 return null; 22564 } 22565 synchronized(mPackages) { 22566 final PackageParser.Package pkg = mPackages.get(packageName); 22567 if (pkg == null) { 22568 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22569 throw new IllegalArgumentException("Unknown package: " + packageName); 22570 } 22571 if (pkg.applicationInfo.uid != Binder.getCallingUid() 22572 && Process.SYSTEM_UID != Binder.getCallingUid()) { 22573 throw new SecurityException("May not access signing KeySet of other apps."); 22574 } 22575 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22576 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 22577 } 22578 } 22579 22580 @Override 22581 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 22582 if (packageName == null || ks == null) { 22583 return false; 22584 } 22585 synchronized(mPackages) { 22586 final PackageParser.Package pkg = mPackages.get(packageName); 22587 if (pkg == null) { 22588 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22589 throw new IllegalArgumentException("Unknown package: " + packageName); 22590 } 22591 IBinder ksh = ks.getToken(); 22592 if (ksh instanceof KeySetHandle) { 22593 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22594 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 22595 } 22596 return false; 22597 } 22598 } 22599 22600 @Override 22601 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 22602 if (packageName == null || ks == null) { 22603 return false; 22604 } 22605 synchronized(mPackages) { 22606 final PackageParser.Package pkg = mPackages.get(packageName); 22607 if (pkg == null) { 22608 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22609 throw new IllegalArgumentException("Unknown package: " + packageName); 22610 } 22611 IBinder ksh = ks.getToken(); 22612 if (ksh instanceof KeySetHandle) { 22613 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22614 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 22615 } 22616 return false; 22617 } 22618 } 22619 22620 private void deletePackageIfUnusedLPr(final String packageName) { 22621 PackageSetting ps = mSettings.mPackages.get(packageName); 22622 if (ps == null) { 22623 return; 22624 } 22625 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 22626 // TODO Implement atomic delete if package is unused 22627 // It is currently possible that the package will be deleted even if it is installed 22628 // after this method returns. 22629 mHandler.post(new Runnable() { 22630 public void run() { 22631 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22632 0, PackageManager.DELETE_ALL_USERS); 22633 } 22634 }); 22635 } 22636 } 22637 22638 /** 22639 * Check and throw if the given before/after packages would be considered a 22640 * downgrade. 22641 */ 22642 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 22643 throws PackageManagerException { 22644 if (after.versionCode < before.mVersionCode) { 22645 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22646 "Update version code " + after.versionCode + " is older than current " 22647 + before.mVersionCode); 22648 } else if (after.versionCode == before.mVersionCode) { 22649 if (after.baseRevisionCode < before.baseRevisionCode) { 22650 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22651 "Update base revision code " + after.baseRevisionCode 22652 + " is older than current " + before.baseRevisionCode); 22653 } 22654 22655 if (!ArrayUtils.isEmpty(after.splitNames)) { 22656 for (int i = 0; i < after.splitNames.length; i++) { 22657 final String splitName = after.splitNames[i]; 22658 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 22659 if (j != -1) { 22660 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 22661 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22662 "Update split " + splitName + " revision code " 22663 + after.splitRevisionCodes[i] + " is older than current " 22664 + before.splitRevisionCodes[j]); 22665 } 22666 } 22667 } 22668 } 22669 } 22670 } 22671 22672 private static class MoveCallbacks extends Handler { 22673 private static final int MSG_CREATED = 1; 22674 private static final int MSG_STATUS_CHANGED = 2; 22675 22676 private final RemoteCallbackList<IPackageMoveObserver> 22677 mCallbacks = new RemoteCallbackList<>(); 22678 22679 private final SparseIntArray mLastStatus = new SparseIntArray(); 22680 22681 public MoveCallbacks(Looper looper) { 22682 super(looper); 22683 } 22684 22685 public void register(IPackageMoveObserver callback) { 22686 mCallbacks.register(callback); 22687 } 22688 22689 public void unregister(IPackageMoveObserver callback) { 22690 mCallbacks.unregister(callback); 22691 } 22692 22693 @Override 22694 public void handleMessage(Message msg) { 22695 final SomeArgs args = (SomeArgs) msg.obj; 22696 final int n = mCallbacks.beginBroadcast(); 22697 for (int i = 0; i < n; i++) { 22698 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 22699 try { 22700 invokeCallback(callback, msg.what, args); 22701 } catch (RemoteException ignored) { 22702 } 22703 } 22704 mCallbacks.finishBroadcast(); 22705 args.recycle(); 22706 } 22707 22708 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 22709 throws RemoteException { 22710 switch (what) { 22711 case MSG_CREATED: { 22712 callback.onCreated(args.argi1, (Bundle) args.arg2); 22713 break; 22714 } 22715 case MSG_STATUS_CHANGED: { 22716 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 22717 break; 22718 } 22719 } 22720 } 22721 22722 private void notifyCreated(int moveId, Bundle extras) { 22723 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 22724 22725 final SomeArgs args = SomeArgs.obtain(); 22726 args.argi1 = moveId; 22727 args.arg2 = extras; 22728 obtainMessage(MSG_CREATED, args).sendToTarget(); 22729 } 22730 22731 private void notifyStatusChanged(int moveId, int status) { 22732 notifyStatusChanged(moveId, status, -1); 22733 } 22734 22735 private void notifyStatusChanged(int moveId, int status, long estMillis) { 22736 Slog.v(TAG, "Move " + moveId + " status " + status); 22737 22738 final SomeArgs args = SomeArgs.obtain(); 22739 args.argi1 = moveId; 22740 args.argi2 = status; 22741 args.arg3 = estMillis; 22742 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 22743 22744 synchronized (mLastStatus) { 22745 mLastStatus.put(moveId, status); 22746 } 22747 } 22748 } 22749 22750 private final static class OnPermissionChangeListeners extends Handler { 22751 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 22752 22753 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 22754 new RemoteCallbackList<>(); 22755 22756 public OnPermissionChangeListeners(Looper looper) { 22757 super(looper); 22758 } 22759 22760 @Override 22761 public void handleMessage(Message msg) { 22762 switch (msg.what) { 22763 case MSG_ON_PERMISSIONS_CHANGED: { 22764 final int uid = msg.arg1; 22765 handleOnPermissionsChanged(uid); 22766 } break; 22767 } 22768 } 22769 22770 public void addListenerLocked(IOnPermissionsChangeListener listener) { 22771 mPermissionListeners.register(listener); 22772 22773 } 22774 22775 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 22776 mPermissionListeners.unregister(listener); 22777 } 22778 22779 public void onPermissionsChanged(int uid) { 22780 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 22781 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 22782 } 22783 } 22784 22785 private void handleOnPermissionsChanged(int uid) { 22786 final int count = mPermissionListeners.beginBroadcast(); 22787 try { 22788 for (int i = 0; i < count; i++) { 22789 IOnPermissionsChangeListener callback = mPermissionListeners 22790 .getBroadcastItem(i); 22791 try { 22792 callback.onPermissionsChanged(uid); 22793 } catch (RemoteException e) { 22794 Log.e(TAG, "Permission listener is dead", e); 22795 } 22796 } 22797 } finally { 22798 mPermissionListeners.finishBroadcast(); 22799 } 22800 } 22801 } 22802 22803 private class PackageManagerInternalImpl extends PackageManagerInternal { 22804 @Override 22805 public void setLocationPackagesProvider(PackagesProvider provider) { 22806 synchronized (mPackages) { 22807 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 22808 } 22809 } 22810 22811 @Override 22812 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 22813 synchronized (mPackages) { 22814 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 22815 } 22816 } 22817 22818 @Override 22819 public void setSmsAppPackagesProvider(PackagesProvider provider) { 22820 synchronized (mPackages) { 22821 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 22822 } 22823 } 22824 22825 @Override 22826 public void setDialerAppPackagesProvider(PackagesProvider provider) { 22827 synchronized (mPackages) { 22828 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 22829 } 22830 } 22831 22832 @Override 22833 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 22834 synchronized (mPackages) { 22835 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 22836 } 22837 } 22838 22839 @Override 22840 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 22841 synchronized (mPackages) { 22842 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 22843 } 22844 } 22845 22846 @Override 22847 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 22848 synchronized (mPackages) { 22849 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 22850 packageName, userId); 22851 } 22852 } 22853 22854 @Override 22855 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 22856 synchronized (mPackages) { 22857 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 22858 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 22859 packageName, userId); 22860 } 22861 } 22862 22863 @Override 22864 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 22865 synchronized (mPackages) { 22866 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 22867 packageName, userId); 22868 } 22869 } 22870 22871 @Override 22872 public void setKeepUninstalledPackages(final List<String> packageList) { 22873 Preconditions.checkNotNull(packageList); 22874 List<String> removedFromList = null; 22875 synchronized (mPackages) { 22876 if (mKeepUninstalledPackages != null) { 22877 final int packagesCount = mKeepUninstalledPackages.size(); 22878 for (int i = 0; i < packagesCount; i++) { 22879 String oldPackage = mKeepUninstalledPackages.get(i); 22880 if (packageList != null && packageList.contains(oldPackage)) { 22881 continue; 22882 } 22883 if (removedFromList == null) { 22884 removedFromList = new ArrayList<>(); 22885 } 22886 removedFromList.add(oldPackage); 22887 } 22888 } 22889 mKeepUninstalledPackages = new ArrayList<>(packageList); 22890 if (removedFromList != null) { 22891 final int removedCount = removedFromList.size(); 22892 for (int i = 0; i < removedCount; i++) { 22893 deletePackageIfUnusedLPr(removedFromList.get(i)); 22894 } 22895 } 22896 } 22897 } 22898 22899 @Override 22900 public boolean isPermissionsReviewRequired(String packageName, int userId) { 22901 synchronized (mPackages) { 22902 // If we do not support permission review, done. 22903 if (!mPermissionReviewRequired) { 22904 return false; 22905 } 22906 22907 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 22908 if (packageSetting == null) { 22909 return false; 22910 } 22911 22912 // Permission review applies only to apps not supporting the new permission model. 22913 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 22914 return false; 22915 } 22916 22917 // Legacy apps have the permission and get user consent on launch. 22918 PermissionsState permissionsState = packageSetting.getPermissionsState(); 22919 return permissionsState.isPermissionReviewRequired(userId); 22920 } 22921 } 22922 22923 @Override 22924 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 22925 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 22926 } 22927 22928 @Override 22929 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 22930 int userId) { 22931 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 22932 } 22933 22934 @Override 22935 public void setDeviceAndProfileOwnerPackages( 22936 int deviceOwnerUserId, String deviceOwnerPackage, 22937 SparseArray<String> profileOwnerPackages) { 22938 mProtectedPackages.setDeviceAndProfileOwnerPackages( 22939 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 22940 } 22941 22942 @Override 22943 public boolean isPackageDataProtected(int userId, String packageName) { 22944 return mProtectedPackages.isPackageDataProtected(userId, packageName); 22945 } 22946 22947 @Override 22948 public boolean isPackageEphemeral(int userId, String packageName) { 22949 synchronized (mPackages) { 22950 final PackageSetting ps = mSettings.mPackages.get(packageName); 22951 return ps != null ? ps.getInstantApp(userId) : false; 22952 } 22953 } 22954 22955 @Override 22956 public boolean wasPackageEverLaunched(String packageName, int userId) { 22957 synchronized (mPackages) { 22958 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 22959 } 22960 } 22961 22962 @Override 22963 public void grantRuntimePermission(String packageName, String name, int userId, 22964 boolean overridePolicy) { 22965 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 22966 overridePolicy); 22967 } 22968 22969 @Override 22970 public void revokeRuntimePermission(String packageName, String name, int userId, 22971 boolean overridePolicy) { 22972 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 22973 overridePolicy); 22974 } 22975 22976 @Override 22977 public String getNameForUid(int uid) { 22978 return PackageManagerService.this.getNameForUid(uid); 22979 } 22980 22981 @Override 22982 public void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 22983 Intent origIntent, String resolvedType, String callingPackage, int userId) { 22984 PackageManagerService.this.requestInstantAppResolutionPhaseTwo( 22985 responseObj, origIntent, resolvedType, callingPackage, userId); 22986 } 22987 22988 @Override 22989 public void grantEphemeralAccess(int userId, Intent intent, 22990 int targetAppId, int ephemeralAppId) { 22991 synchronized (mPackages) { 22992 mInstantAppRegistry.grantInstantAccessLPw(userId, intent, 22993 targetAppId, ephemeralAppId); 22994 } 22995 } 22996 22997 @Override 22998 public void pruneInstantApps() { 22999 synchronized (mPackages) { 23000 mInstantAppRegistry.pruneInstantAppsLPw(); 23001 } 23002 } 23003 23004 @Override 23005 public String getSetupWizardPackageName() { 23006 return mSetupWizardPackage; 23007 } 23008 23009 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 23010 if (policy != null) { 23011 mExternalSourcesPolicy = policy; 23012 } 23013 } 23014 23015 @Override 23016 public boolean isPackagePersistent(String packageName) { 23017 synchronized (mPackages) { 23018 PackageParser.Package pkg = mPackages.get(packageName); 23019 return pkg != null 23020 ? ((pkg.applicationInfo.flags&(ApplicationInfo.FLAG_SYSTEM 23021 | ApplicationInfo.FLAG_PERSISTENT)) == 23022 (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_PERSISTENT)) 23023 : false; 23024 } 23025 } 23026 23027 @Override 23028 public List<PackageInfo> getOverlayPackages(int userId) { 23029 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 23030 synchronized (mPackages) { 23031 for (PackageParser.Package p : mPackages.values()) { 23032 if (p.mOverlayTarget != null) { 23033 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 23034 if (pkg != null) { 23035 overlayPackages.add(pkg); 23036 } 23037 } 23038 } 23039 } 23040 return overlayPackages; 23041 } 23042 23043 @Override 23044 public List<String> getTargetPackageNames(int userId) { 23045 List<String> targetPackages = new ArrayList<>(); 23046 synchronized (mPackages) { 23047 for (PackageParser.Package p : mPackages.values()) { 23048 if (p.mOverlayTarget == null) { 23049 targetPackages.add(p.packageName); 23050 } 23051 } 23052 } 23053 return targetPackages; 23054 } 23055 23056 @Override 23057 public boolean setEnabledOverlayPackages(int userId, @NonNull String targetPackageName, 23058 @Nullable List<String> overlayPackageNames) { 23059 synchronized (mPackages) { 23060 if (targetPackageName == null || mPackages.get(targetPackageName) == null) { 23061 Slog.e(TAG, "failed to find package " + targetPackageName); 23062 return false; 23063 } 23064 23065 ArrayList<String> paths = null; 23066 if (overlayPackageNames != null) { 23067 final int N = overlayPackageNames.size(); 23068 paths = new ArrayList<>(N); 23069 for (int i = 0; i < N; i++) { 23070 final String packageName = overlayPackageNames.get(i); 23071 final PackageParser.Package pkg = mPackages.get(packageName); 23072 if (pkg == null) { 23073 Slog.e(TAG, "failed to find package " + packageName); 23074 return false; 23075 } 23076 paths.add(pkg.baseCodePath); 23077 } 23078 } 23079 23080 ArrayMap<String, ArrayList<String>> userSpecificOverlays = 23081 mEnabledOverlayPaths.get(userId); 23082 if (userSpecificOverlays == null) { 23083 userSpecificOverlays = new ArrayMap<>(); 23084 mEnabledOverlayPaths.put(userId, userSpecificOverlays); 23085 } 23086 23087 if (paths != null && paths.size() > 0) { 23088 userSpecificOverlays.put(targetPackageName, paths); 23089 } else { 23090 userSpecificOverlays.remove(targetPackageName); 23091 } 23092 return true; 23093 } 23094 } 23095 23096 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 23097 int flags, int userId) { 23098 return resolveIntentInternal( 23099 intent, resolvedType, flags, userId, true /*includeInstantApp*/); 23100 } 23101 } 23102 23103 @Override 23104 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 23105 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 23106 synchronized (mPackages) { 23107 final long identity = Binder.clearCallingIdentity(); 23108 try { 23109 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 23110 packageNames, userId); 23111 } finally { 23112 Binder.restoreCallingIdentity(identity); 23113 } 23114 } 23115 } 23116 23117 @Override 23118 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 23119 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 23120 synchronized (mPackages) { 23121 final long identity = Binder.clearCallingIdentity(); 23122 try { 23123 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServicesLPr( 23124 packageNames, userId); 23125 } finally { 23126 Binder.restoreCallingIdentity(identity); 23127 } 23128 } 23129 } 23130 23131 private static void enforceSystemOrPhoneCaller(String tag) { 23132 int callingUid = Binder.getCallingUid(); 23133 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 23134 throw new SecurityException( 23135 "Cannot call " + tag + " from UID " + callingUid); 23136 } 23137 } 23138 23139 boolean isHistoricalPackageUsageAvailable() { 23140 return mPackageUsage.isHistoricalPackageUsageAvailable(); 23141 } 23142 23143 /** 23144 * Return a <b>copy</b> of the collection of packages known to the package manager. 23145 * @return A copy of the values of mPackages. 23146 */ 23147 Collection<PackageParser.Package> getPackages() { 23148 synchronized (mPackages) { 23149 return new ArrayList<>(mPackages.values()); 23150 } 23151 } 23152 23153 /** 23154 * Logs process start information (including base APK hash) to the security log. 23155 * @hide 23156 */ 23157 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 23158 String apkFile, int pid) { 23159 if (!SecurityLog.isLoggingEnabled()) { 23160 return; 23161 } 23162 Bundle data = new Bundle(); 23163 data.putLong("startTimestamp", System.currentTimeMillis()); 23164 data.putString("processName", processName); 23165 data.putInt("uid", uid); 23166 data.putString("seinfo", seinfo); 23167 data.putString("apkFile", apkFile); 23168 data.putInt("pid", pid); 23169 Message msg = mProcessLoggingHandler.obtainMessage( 23170 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 23171 msg.setData(data); 23172 mProcessLoggingHandler.sendMessage(msg); 23173 } 23174 23175 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 23176 return mCompilerStats.getPackageStats(pkgName); 23177 } 23178 23179 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 23180 return getOrCreateCompilerPackageStats(pkg.packageName); 23181 } 23182 23183 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 23184 return mCompilerStats.getOrCreatePackageStats(pkgName); 23185 } 23186 23187 public void deleteCompilerPackageStats(String pkgName) { 23188 mCompilerStats.deletePackageStats(pkgName); 23189 } 23190 23191 @Override 23192 public int getInstallReason(String packageName, int userId) { 23193 enforceCrossUserPermission(Binder.getCallingUid(), userId, 23194 true /* requireFullPermission */, false /* checkShell */, 23195 "get install reason"); 23196 synchronized (mPackages) { 23197 final PackageSetting ps = mSettings.mPackages.get(packageName); 23198 if (ps != null) { 23199 return ps.getInstallReason(userId); 23200 } 23201 } 23202 return PackageManager.INSTALL_REASON_UNKNOWN; 23203 } 23204 23205 @Override 23206 public boolean canRequestPackageInstalls(String packageName, int userId) { 23207 int callingUid = Binder.getCallingUid(); 23208 int uid = getPackageUid(packageName, 0, userId); 23209 if (callingUid != uid && callingUid != Process.ROOT_UID 23210 && callingUid != Process.SYSTEM_UID) { 23211 throw new SecurityException( 23212 "Caller uid " + callingUid + " does not own package " + packageName); 23213 } 23214 ApplicationInfo info = getApplicationInfo(packageName, 0, userId); 23215 if (info == null) { 23216 return false; 23217 } 23218 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 23219 throw new UnsupportedOperationException( 23220 "Operation only supported on apps targeting Android O or higher"); 23221 } 23222 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 23223 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 23224 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 23225 throw new SecurityException("Need to declare " + appOpPermission + " to call this api"); 23226 } 23227 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 23228 return false; 23229 } 23230 if (mExternalSourcesPolicy != null) { 23231 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 23232 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 23233 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 23234 } 23235 } 23236 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 23237 } 23238} 23239