PackageManagerService.java revision e730ae877a24d44f5b3db096f08b0a2d7399aa2d
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.BackgroundDexOptJobService; 264import com.android.server.DeviceIdleController; 265import com.android.server.EventLogTags; 266import com.android.server.FgThread; 267import com.android.server.IntentResolver; 268import com.android.server.LocalServices; 269import com.android.server.LockGuard; 270import com.android.server.ServiceThread; 271import com.android.server.SystemConfig; 272import com.android.server.SystemServerInitThreadPool; 273import com.android.server.Watchdog; 274import com.android.server.net.NetworkPolicyManagerInternal; 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 public static final int REASON_CORE_APP = 8; 544 545 public static final int REASON_LAST = REASON_CORE_APP; 546 547 /** All dangerous permission names in the same order as the events in MetricsEvent */ 548 private static final List<String> ALL_DANGEROUS_PERMISSIONS = Arrays.asList( 549 Manifest.permission.READ_CALENDAR, 550 Manifest.permission.WRITE_CALENDAR, 551 Manifest.permission.CAMERA, 552 Manifest.permission.READ_CONTACTS, 553 Manifest.permission.WRITE_CONTACTS, 554 Manifest.permission.GET_ACCOUNTS, 555 Manifest.permission.ACCESS_FINE_LOCATION, 556 Manifest.permission.ACCESS_COARSE_LOCATION, 557 Manifest.permission.RECORD_AUDIO, 558 Manifest.permission.READ_PHONE_STATE, 559 Manifest.permission.CALL_PHONE, 560 Manifest.permission.READ_CALL_LOG, 561 Manifest.permission.WRITE_CALL_LOG, 562 Manifest.permission.ADD_VOICEMAIL, 563 Manifest.permission.USE_SIP, 564 Manifest.permission.PROCESS_OUTGOING_CALLS, 565 Manifest.permission.READ_CELL_BROADCASTS, 566 Manifest.permission.BODY_SENSORS, 567 Manifest.permission.SEND_SMS, 568 Manifest.permission.RECEIVE_SMS, 569 Manifest.permission.READ_SMS, 570 Manifest.permission.RECEIVE_WAP_PUSH, 571 Manifest.permission.RECEIVE_MMS, 572 Manifest.permission.READ_EXTERNAL_STORAGE, 573 Manifest.permission.WRITE_EXTERNAL_STORAGE, 574 Manifest.permission.READ_PHONE_NUMBER, 575 Manifest.permission.ANSWER_PHONE_CALLS); 576 577 578 /** 579 * Version number for the package parser cache. Increment this whenever the format or 580 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 581 */ 582 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 583 584 /** 585 * Whether the package parser cache is enabled. 586 */ 587 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 588 589 final ServiceThread mHandlerThread; 590 591 final PackageHandler mHandler; 592 593 private final ProcessLoggingHandler mProcessLoggingHandler; 594 595 /** 596 * Messages for {@link #mHandler} that need to wait for system ready before 597 * being dispatched. 598 */ 599 private ArrayList<Message> mPostSystemReadyMessages; 600 601 final int mSdkVersion = Build.VERSION.SDK_INT; 602 603 final Context mContext; 604 final boolean mFactoryTest; 605 final boolean mOnlyCore; 606 final DisplayMetrics mMetrics; 607 final int mDefParseFlags; 608 final String[] mSeparateProcesses; 609 final boolean mIsUpgrade; 610 final boolean mIsPreNUpgrade; 611 final boolean mIsPreNMR1Upgrade; 612 613 @GuardedBy("mPackages") 614 private boolean mDexOptDialogShown; 615 616 /** The location for ASEC container files on internal storage. */ 617 final String mAsecInternalPath; 618 619 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 620 // LOCK HELD. Can be called with mInstallLock held. 621 @GuardedBy("mInstallLock") 622 final Installer mInstaller; 623 624 /** Directory where installed third-party apps stored */ 625 final File mAppInstallDir; 626 627 /** 628 * Directory to which applications installed internally have their 629 * 32 bit native libraries copied. 630 */ 631 private File mAppLib32InstallDir; 632 633 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 634 // apps. 635 final File mDrmAppPrivateInstallDir; 636 637 // ---------------------------------------------------------------- 638 639 // Lock for state used when installing and doing other long running 640 // operations. Methods that must be called with this lock held have 641 // the suffix "LI". 642 final Object mInstallLock = new Object(); 643 644 // ---------------------------------------------------------------- 645 646 // Keys are String (package name), values are Package. This also serves 647 // as the lock for the global state. Methods that must be called with 648 // this lock held have the prefix "LP". 649 @GuardedBy("mPackages") 650 final ArrayMap<String, PackageParser.Package> mPackages = 651 new ArrayMap<String, PackageParser.Package>(); 652 653 final ArrayMap<String, Set<String>> mKnownCodebase = 654 new ArrayMap<String, Set<String>>(); 655 656 // List of APK paths to load for each user and package. This data is never 657 // persisted by the package manager. Instead, the overlay manager will 658 // ensure the data is up-to-date in runtime. 659 @GuardedBy("mPackages") 660 final SparseArray<ArrayMap<String, ArrayList<String>>> mEnabledOverlayPaths = 661 new SparseArray<ArrayMap<String, ArrayList<String>>>(); 662 663 /** 664 * Tracks new system packages [received in an OTA] that we expect to 665 * find updated user-installed versions. Keys are package name, values 666 * are package location. 667 */ 668 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 669 /** 670 * Tracks high priority intent filters for protected actions. During boot, certain 671 * filter actions are protected and should never be allowed to have a high priority 672 * intent filter for them. However, there is one, and only one exception -- the 673 * setup wizard. It must be able to define a high priority intent filter for these 674 * actions to ensure there are no escapes from the wizard. We need to delay processing 675 * of these during boot as we need to look at all of the system packages in order 676 * to know which component is the setup wizard. 677 */ 678 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 679 /** 680 * Whether or not processing protected filters should be deferred. 681 */ 682 private boolean mDeferProtectedFilters = true; 683 684 /** 685 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 686 */ 687 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 688 /** 689 * Whether or not system app permissions should be promoted from install to runtime. 690 */ 691 boolean mPromoteSystemApps; 692 693 @GuardedBy("mPackages") 694 final Settings mSettings; 695 696 /** 697 * Set of package names that are currently "frozen", which means active 698 * surgery is being done on the code/data for that package. The platform 699 * will refuse to launch frozen packages to avoid race conditions. 700 * 701 * @see PackageFreezer 702 */ 703 @GuardedBy("mPackages") 704 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 705 706 final ProtectedPackages mProtectedPackages; 707 708 boolean mFirstBoot; 709 710 PackageManagerInternal.ExternalSourcesPolicy mExternalSourcesPolicy; 711 712 // System configuration read by SystemConfig. 713 final int[] mGlobalGids; 714 final SparseArray<ArraySet<String>> mSystemPermissions; 715 @GuardedBy("mAvailableFeatures") 716 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 717 718 // If mac_permissions.xml was found for seinfo labeling. 719 boolean mFoundPolicyFile; 720 721 private final InstantAppRegistry mInstantAppRegistry; 722 723 @GuardedBy("mPackages") 724 int mChangedPackagesSequenceNumber; 725 /** 726 * List of changed [installed, removed or updated] packages. 727 * mapping from user id -> sequence number -> package name 728 */ 729 @GuardedBy("mPackages") 730 final SparseArray<SparseArray<String>> mChangedPackages = new SparseArray<>(); 731 /** 732 * The sequence number of the last change to a package. 733 * mapping from user id -> package name -> sequence number 734 */ 735 @GuardedBy("mPackages") 736 final SparseArray<Map<String, Integer>> mChangedPackagesSequenceNumbers = new SparseArray<>(); 737 738 final PackageParser.Callback mPackageParserCallback = new PackageParser.Callback() { 739 @Override public boolean hasFeature(String feature) { 740 return PackageManagerService.this.hasSystemFeature(feature, 0); 741 } 742 }; 743 744 public static final class SharedLibraryEntry { 745 public final String path; 746 public final String apk; 747 public final SharedLibraryInfo info; 748 749 SharedLibraryEntry(String _path, String _apk, String name, int version, int type, 750 String declaringPackageName, int declaringPackageVersionCode) { 751 path = _path; 752 apk = _apk; 753 info = new SharedLibraryInfo(name, version, type, new VersionedPackage( 754 declaringPackageName, declaringPackageVersionCode), null); 755 } 756 } 757 758 // Currently known shared libraries. 759 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mSharedLibraries = new ArrayMap<>(); 760 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mStaticLibsByDeclaringPackage = 761 new ArrayMap<>(); 762 763 // All available activities, for your resolving pleasure. 764 final ActivityIntentResolver mActivities = 765 new ActivityIntentResolver(); 766 767 // All available receivers, for your resolving pleasure. 768 final ActivityIntentResolver mReceivers = 769 new ActivityIntentResolver(); 770 771 // All available services, for your resolving pleasure. 772 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 773 774 // All available providers, for your resolving pleasure. 775 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 776 777 // Mapping from provider base names (first directory in content URI codePath) 778 // to the provider information. 779 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 780 new ArrayMap<String, PackageParser.Provider>(); 781 782 // Mapping from instrumentation class names to info about them. 783 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 784 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 785 786 // Mapping from permission names to info about them. 787 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 788 new ArrayMap<String, PackageParser.PermissionGroup>(); 789 790 // Packages whose data we have transfered into another package, thus 791 // should no longer exist. 792 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 793 794 // Broadcast actions that are only available to the system. 795 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 796 797 /** List of packages waiting for verification. */ 798 final SparseArray<PackageVerificationState> mPendingVerification 799 = new SparseArray<PackageVerificationState>(); 800 801 /** Set of packages associated with each app op permission. */ 802 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 803 804 final PackageInstallerService mInstallerService; 805 806 private final PackageDexOptimizer mPackageDexOptimizer; 807 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 808 // is used by other apps). 809 private final DexManager mDexManager; 810 811 private AtomicInteger mNextMoveId = new AtomicInteger(); 812 private final MoveCallbacks mMoveCallbacks; 813 814 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 815 816 // Cache of users who need badging. 817 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 818 819 /** Token for keys in mPendingVerification. */ 820 private int mPendingVerificationToken = 0; 821 822 volatile boolean mSystemReady; 823 volatile boolean mSafeMode; 824 volatile boolean mHasSystemUidErrors; 825 826 ApplicationInfo mAndroidApplication; 827 final ActivityInfo mResolveActivity = new ActivityInfo(); 828 final ResolveInfo mResolveInfo = new ResolveInfo(); 829 ComponentName mResolveComponentName; 830 PackageParser.Package mPlatformPackage; 831 ComponentName mCustomResolverComponentName; 832 833 boolean mResolverReplaced = false; 834 835 private final @Nullable ComponentName mIntentFilterVerifierComponent; 836 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 837 838 private int mIntentFilterVerificationToken = 0; 839 840 /** The service connection to the ephemeral resolver */ 841 final EphemeralResolverConnection mInstantAppResolverConnection; 842 843 /** Component used to install ephemeral applications */ 844 ComponentName mInstantAppInstallerComponent; 845 final ActivityInfo mInstantAppInstallerActivity = new ActivityInfo(); 846 final ResolveInfo mInstantAppInstallerInfo = new ResolveInfo(); 847 848 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 849 = new SparseArray<IntentFilterVerificationState>(); 850 851 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 852 853 // List of packages names to keep cached, even if they are uninstalled for all users 854 private List<String> mKeepUninstalledPackages; 855 856 private UserManagerInternal mUserManagerInternal; 857 858 private DeviceIdleController.LocalService mDeviceIdleController; 859 860 private File mCacheDir; 861 862 private ArraySet<String> mPrivappPermissionsViolations; 863 864 private Future<?> mPrepareAppDataFuture; 865 866 private static class IFVerificationParams { 867 PackageParser.Package pkg; 868 boolean replacing; 869 int userId; 870 int verifierUid; 871 872 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 873 int _userId, int _verifierUid) { 874 pkg = _pkg; 875 replacing = _replacing; 876 userId = _userId; 877 replacing = _replacing; 878 verifierUid = _verifierUid; 879 } 880 } 881 882 private interface IntentFilterVerifier<T extends IntentFilter> { 883 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 884 T filter, String packageName); 885 void startVerifications(int userId); 886 void receiveVerificationResponse(int verificationId); 887 } 888 889 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 890 private Context mContext; 891 private ComponentName mIntentFilterVerifierComponent; 892 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 893 894 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 895 mContext = context; 896 mIntentFilterVerifierComponent = verifierComponent; 897 } 898 899 private String getDefaultScheme() { 900 return IntentFilter.SCHEME_HTTPS; 901 } 902 903 @Override 904 public void startVerifications(int userId) { 905 // Launch verifications requests 906 int count = mCurrentIntentFilterVerifications.size(); 907 for (int n=0; n<count; n++) { 908 int verificationId = mCurrentIntentFilterVerifications.get(n); 909 final IntentFilterVerificationState ivs = 910 mIntentFilterVerificationStates.get(verificationId); 911 912 String packageName = ivs.getPackageName(); 913 914 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 915 final int filterCount = filters.size(); 916 ArraySet<String> domainsSet = new ArraySet<>(); 917 for (int m=0; m<filterCount; m++) { 918 PackageParser.ActivityIntentInfo filter = filters.get(m); 919 domainsSet.addAll(filter.getHostsList()); 920 } 921 synchronized (mPackages) { 922 if (mSettings.createIntentFilterVerificationIfNeededLPw( 923 packageName, domainsSet) != null) { 924 scheduleWriteSettingsLocked(); 925 } 926 } 927 sendVerificationRequest(userId, verificationId, ivs); 928 } 929 mCurrentIntentFilterVerifications.clear(); 930 } 931 932 private void sendVerificationRequest(int userId, int verificationId, 933 IntentFilterVerificationState ivs) { 934 935 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 936 verificationIntent.putExtra( 937 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 938 verificationId); 939 verificationIntent.putExtra( 940 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 941 getDefaultScheme()); 942 verificationIntent.putExtra( 943 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 944 ivs.getHostsString()); 945 verificationIntent.putExtra( 946 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 947 ivs.getPackageName()); 948 verificationIntent.setComponent(mIntentFilterVerifierComponent); 949 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 950 951 UserHandle user = new UserHandle(userId); 952 mContext.sendBroadcastAsUser(verificationIntent, user); 953 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 954 "Sending IntentFilter verification broadcast"); 955 } 956 957 public void receiveVerificationResponse(int verificationId) { 958 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 959 960 final boolean verified = ivs.isVerified(); 961 962 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 963 final int count = filters.size(); 964 if (DEBUG_DOMAIN_VERIFICATION) { 965 Slog.i(TAG, "Received verification response " + verificationId 966 + " for " + count + " filters, verified=" + verified); 967 } 968 for (int n=0; n<count; n++) { 969 PackageParser.ActivityIntentInfo filter = filters.get(n); 970 filter.setVerified(verified); 971 972 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 973 + " verified with result:" + verified + " and hosts:" 974 + ivs.getHostsString()); 975 } 976 977 mIntentFilterVerificationStates.remove(verificationId); 978 979 final String packageName = ivs.getPackageName(); 980 IntentFilterVerificationInfo ivi = null; 981 982 synchronized (mPackages) { 983 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 984 } 985 if (ivi == null) { 986 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 987 + verificationId + " packageName:" + packageName); 988 return; 989 } 990 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 991 "Updating IntentFilterVerificationInfo for package " + packageName 992 +" verificationId:" + verificationId); 993 994 synchronized (mPackages) { 995 if (verified) { 996 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 997 } else { 998 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 999 } 1000 scheduleWriteSettingsLocked(); 1001 1002 final int userId = ivs.getUserId(); 1003 if (userId != UserHandle.USER_ALL) { 1004 final int userStatus = 1005 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 1006 1007 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 1008 boolean needUpdate = false; 1009 1010 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 1011 // already been set by the User thru the Disambiguation dialog 1012 switch (userStatus) { 1013 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 1014 if (verified) { 1015 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1016 } else { 1017 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 1018 } 1019 needUpdate = true; 1020 break; 1021 1022 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 1023 if (verified) { 1024 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1025 needUpdate = true; 1026 } 1027 break; 1028 1029 default: 1030 // Nothing to do 1031 } 1032 1033 if (needUpdate) { 1034 mSettings.updateIntentFilterVerificationStatusLPw( 1035 packageName, updatedStatus, userId); 1036 scheduleWritePackageRestrictionsLocked(userId); 1037 } 1038 } 1039 } 1040 } 1041 1042 @Override 1043 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 1044 ActivityIntentInfo filter, String packageName) { 1045 if (!hasValidDomains(filter)) { 1046 return false; 1047 } 1048 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1049 if (ivs == null) { 1050 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1051 packageName); 1052 } 1053 if (DEBUG_DOMAIN_VERIFICATION) { 1054 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1055 } 1056 ivs.addFilter(filter); 1057 return true; 1058 } 1059 1060 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1061 int userId, int verificationId, String packageName) { 1062 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1063 verifierUid, userId, packageName); 1064 ivs.setPendingState(); 1065 synchronized (mPackages) { 1066 mIntentFilterVerificationStates.append(verificationId, ivs); 1067 mCurrentIntentFilterVerifications.add(verificationId); 1068 } 1069 return ivs; 1070 } 1071 } 1072 1073 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1074 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1075 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1076 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1077 } 1078 1079 // Set of pending broadcasts for aggregating enable/disable of components. 1080 static class PendingPackageBroadcasts { 1081 // for each user id, a map of <package name -> components within that package> 1082 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1083 1084 public PendingPackageBroadcasts() { 1085 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1086 } 1087 1088 public ArrayList<String> get(int userId, String packageName) { 1089 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1090 return packages.get(packageName); 1091 } 1092 1093 public void put(int userId, String packageName, ArrayList<String> components) { 1094 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1095 packages.put(packageName, components); 1096 } 1097 1098 public void remove(int userId, String packageName) { 1099 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1100 if (packages != null) { 1101 packages.remove(packageName); 1102 } 1103 } 1104 1105 public void remove(int userId) { 1106 mUidMap.remove(userId); 1107 } 1108 1109 public int userIdCount() { 1110 return mUidMap.size(); 1111 } 1112 1113 public int userIdAt(int n) { 1114 return mUidMap.keyAt(n); 1115 } 1116 1117 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1118 return mUidMap.get(userId); 1119 } 1120 1121 public int size() { 1122 // total number of pending broadcast entries across all userIds 1123 int num = 0; 1124 for (int i = 0; i< mUidMap.size(); i++) { 1125 num += mUidMap.valueAt(i).size(); 1126 } 1127 return num; 1128 } 1129 1130 public void clear() { 1131 mUidMap.clear(); 1132 } 1133 1134 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1135 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1136 if (map == null) { 1137 map = new ArrayMap<String, ArrayList<String>>(); 1138 mUidMap.put(userId, map); 1139 } 1140 return map; 1141 } 1142 } 1143 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1144 1145 // Service Connection to remote media container service to copy 1146 // package uri's from external media onto secure containers 1147 // or internal storage. 1148 private IMediaContainerService mContainerService = null; 1149 1150 static final int SEND_PENDING_BROADCAST = 1; 1151 static final int MCS_BOUND = 3; 1152 static final int END_COPY = 4; 1153 static final int INIT_COPY = 5; 1154 static final int MCS_UNBIND = 6; 1155 static final int START_CLEANING_PACKAGE = 7; 1156 static final int FIND_INSTALL_LOC = 8; 1157 static final int POST_INSTALL = 9; 1158 static final int MCS_RECONNECT = 10; 1159 static final int MCS_GIVE_UP = 11; 1160 static final int UPDATED_MEDIA_STATUS = 12; 1161 static final int WRITE_SETTINGS = 13; 1162 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1163 static final int PACKAGE_VERIFIED = 15; 1164 static final int CHECK_PENDING_VERIFICATION = 16; 1165 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1166 static final int INTENT_FILTER_VERIFIED = 18; 1167 static final int WRITE_PACKAGE_LIST = 19; 1168 static final int INSTANT_APP_RESOLUTION_PHASE_TWO = 20; 1169 1170 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1171 1172 // Delay time in millisecs 1173 static final int BROADCAST_DELAY = 10 * 1000; 1174 1175 static UserManagerService sUserManager; 1176 1177 // Stores a list of users whose package restrictions file needs to be updated 1178 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1179 1180 final private DefaultContainerConnection mDefContainerConn = 1181 new DefaultContainerConnection(); 1182 class DefaultContainerConnection implements ServiceConnection { 1183 public void onServiceConnected(ComponentName name, IBinder service) { 1184 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1185 final IMediaContainerService imcs = IMediaContainerService.Stub 1186 .asInterface(Binder.allowBlocking(service)); 1187 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1188 } 1189 1190 public void onServiceDisconnected(ComponentName name) { 1191 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1192 } 1193 } 1194 1195 // Recordkeeping of restore-after-install operations that are currently in flight 1196 // between the Package Manager and the Backup Manager 1197 static class PostInstallData { 1198 public InstallArgs args; 1199 public PackageInstalledInfo res; 1200 1201 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1202 args = _a; 1203 res = _r; 1204 } 1205 } 1206 1207 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1208 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1209 1210 // XML tags for backup/restore of various bits of state 1211 private static final String TAG_PREFERRED_BACKUP = "pa"; 1212 private static final String TAG_DEFAULT_APPS = "da"; 1213 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1214 1215 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1216 private static final String TAG_ALL_GRANTS = "rt-grants"; 1217 private static final String TAG_GRANT = "grant"; 1218 private static final String ATTR_PACKAGE_NAME = "pkg"; 1219 1220 private static final String TAG_PERMISSION = "perm"; 1221 private static final String ATTR_PERMISSION_NAME = "name"; 1222 private static final String ATTR_IS_GRANTED = "g"; 1223 private static final String ATTR_USER_SET = "set"; 1224 private static final String ATTR_USER_FIXED = "fixed"; 1225 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1226 1227 // System/policy permission grants are not backed up 1228 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1229 FLAG_PERMISSION_POLICY_FIXED 1230 | FLAG_PERMISSION_SYSTEM_FIXED 1231 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1232 1233 // And we back up these user-adjusted states 1234 private static final int USER_RUNTIME_GRANT_MASK = 1235 FLAG_PERMISSION_USER_SET 1236 | FLAG_PERMISSION_USER_FIXED 1237 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1238 1239 final @Nullable String mRequiredVerifierPackage; 1240 final @NonNull String mRequiredInstallerPackage; 1241 final @NonNull String mRequiredUninstallerPackage; 1242 final @Nullable String mSetupWizardPackage; 1243 final @Nullable String mStorageManagerPackage; 1244 final @NonNull String mServicesSystemSharedLibraryPackageName; 1245 final @NonNull String mSharedSystemSharedLibraryPackageName; 1246 1247 final boolean mPermissionReviewRequired; 1248 1249 private final PackageUsage mPackageUsage = new PackageUsage(); 1250 private final CompilerStats mCompilerStats = new CompilerStats(); 1251 1252 class PackageHandler extends Handler { 1253 private boolean mBound = false; 1254 final ArrayList<HandlerParams> mPendingInstalls = 1255 new ArrayList<HandlerParams>(); 1256 1257 private boolean connectToService() { 1258 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1259 " DefaultContainerService"); 1260 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1261 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1262 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1263 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1264 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1265 mBound = true; 1266 return true; 1267 } 1268 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1269 return false; 1270 } 1271 1272 private void disconnectService() { 1273 mContainerService = null; 1274 mBound = false; 1275 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1276 mContext.unbindService(mDefContainerConn); 1277 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1278 } 1279 1280 PackageHandler(Looper looper) { 1281 super(looper); 1282 } 1283 1284 public void handleMessage(Message msg) { 1285 try { 1286 doHandleMessage(msg); 1287 } finally { 1288 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1289 } 1290 } 1291 1292 void doHandleMessage(Message msg) { 1293 switch (msg.what) { 1294 case INIT_COPY: { 1295 HandlerParams params = (HandlerParams) msg.obj; 1296 int idx = mPendingInstalls.size(); 1297 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1298 // If a bind was already initiated we dont really 1299 // need to do anything. The pending install 1300 // will be processed later on. 1301 if (!mBound) { 1302 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1303 System.identityHashCode(mHandler)); 1304 // If this is the only one pending we might 1305 // have to bind to the service again. 1306 if (!connectToService()) { 1307 Slog.e(TAG, "Failed to bind to media container service"); 1308 params.serviceError(); 1309 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1310 System.identityHashCode(mHandler)); 1311 if (params.traceMethod != null) { 1312 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1313 params.traceCookie); 1314 } 1315 return; 1316 } else { 1317 // Once we bind to the service, the first 1318 // pending request will be processed. 1319 mPendingInstalls.add(idx, params); 1320 } 1321 } else { 1322 mPendingInstalls.add(idx, params); 1323 // Already bound to the service. Just make 1324 // sure we trigger off processing the first request. 1325 if (idx == 0) { 1326 mHandler.sendEmptyMessage(MCS_BOUND); 1327 } 1328 } 1329 break; 1330 } 1331 case MCS_BOUND: { 1332 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1333 if (msg.obj != null) { 1334 mContainerService = (IMediaContainerService) msg.obj; 1335 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1336 System.identityHashCode(mHandler)); 1337 } 1338 if (mContainerService == null) { 1339 if (!mBound) { 1340 // Something seriously wrong since we are not bound and we are not 1341 // waiting for connection. Bail out. 1342 Slog.e(TAG, "Cannot bind to media container service"); 1343 for (HandlerParams params : mPendingInstalls) { 1344 // Indicate service bind error 1345 params.serviceError(); 1346 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1347 System.identityHashCode(params)); 1348 if (params.traceMethod != null) { 1349 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1350 params.traceMethod, params.traceCookie); 1351 } 1352 return; 1353 } 1354 mPendingInstalls.clear(); 1355 } else { 1356 Slog.w(TAG, "Waiting to connect to media container service"); 1357 } 1358 } else if (mPendingInstalls.size() > 0) { 1359 HandlerParams params = mPendingInstalls.get(0); 1360 if (params != null) { 1361 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1362 System.identityHashCode(params)); 1363 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1364 if (params.startCopy()) { 1365 // We are done... look for more work or to 1366 // go idle. 1367 if (DEBUG_SD_INSTALL) Log.i(TAG, 1368 "Checking for more work or unbind..."); 1369 // Delete pending install 1370 if (mPendingInstalls.size() > 0) { 1371 mPendingInstalls.remove(0); 1372 } 1373 if (mPendingInstalls.size() == 0) { 1374 if (mBound) { 1375 if (DEBUG_SD_INSTALL) Log.i(TAG, 1376 "Posting delayed MCS_UNBIND"); 1377 removeMessages(MCS_UNBIND); 1378 Message ubmsg = obtainMessage(MCS_UNBIND); 1379 // Unbind after a little delay, to avoid 1380 // continual thrashing. 1381 sendMessageDelayed(ubmsg, 10000); 1382 } 1383 } else { 1384 // There are more pending requests in queue. 1385 // Just post MCS_BOUND message to trigger processing 1386 // of next pending install. 1387 if (DEBUG_SD_INSTALL) Log.i(TAG, 1388 "Posting MCS_BOUND for next work"); 1389 mHandler.sendEmptyMessage(MCS_BOUND); 1390 } 1391 } 1392 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1393 } 1394 } else { 1395 // Should never happen ideally. 1396 Slog.w(TAG, "Empty queue"); 1397 } 1398 break; 1399 } 1400 case MCS_RECONNECT: { 1401 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1402 if (mPendingInstalls.size() > 0) { 1403 if (mBound) { 1404 disconnectService(); 1405 } 1406 if (!connectToService()) { 1407 Slog.e(TAG, "Failed to bind to media container service"); 1408 for (HandlerParams params : mPendingInstalls) { 1409 // Indicate service bind error 1410 params.serviceError(); 1411 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1412 System.identityHashCode(params)); 1413 } 1414 mPendingInstalls.clear(); 1415 } 1416 } 1417 break; 1418 } 1419 case MCS_UNBIND: { 1420 // If there is no actual work left, then time to unbind. 1421 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1422 1423 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1424 if (mBound) { 1425 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1426 1427 disconnectService(); 1428 } 1429 } else if (mPendingInstalls.size() > 0) { 1430 // There are more pending requests in queue. 1431 // Just post MCS_BOUND message to trigger processing 1432 // of next pending install. 1433 mHandler.sendEmptyMessage(MCS_BOUND); 1434 } 1435 1436 break; 1437 } 1438 case MCS_GIVE_UP: { 1439 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1440 HandlerParams params = mPendingInstalls.remove(0); 1441 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1442 System.identityHashCode(params)); 1443 break; 1444 } 1445 case SEND_PENDING_BROADCAST: { 1446 String packages[]; 1447 ArrayList<String> components[]; 1448 int size = 0; 1449 int uids[]; 1450 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1451 synchronized (mPackages) { 1452 if (mPendingBroadcasts == null) { 1453 return; 1454 } 1455 size = mPendingBroadcasts.size(); 1456 if (size <= 0) { 1457 // Nothing to be done. Just return 1458 return; 1459 } 1460 packages = new String[size]; 1461 components = new ArrayList[size]; 1462 uids = new int[size]; 1463 int i = 0; // filling out the above arrays 1464 1465 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1466 int packageUserId = mPendingBroadcasts.userIdAt(n); 1467 Iterator<Map.Entry<String, ArrayList<String>>> it 1468 = mPendingBroadcasts.packagesForUserId(packageUserId) 1469 .entrySet().iterator(); 1470 while (it.hasNext() && i < size) { 1471 Map.Entry<String, ArrayList<String>> ent = it.next(); 1472 packages[i] = ent.getKey(); 1473 components[i] = ent.getValue(); 1474 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1475 uids[i] = (ps != null) 1476 ? UserHandle.getUid(packageUserId, ps.appId) 1477 : -1; 1478 i++; 1479 } 1480 } 1481 size = i; 1482 mPendingBroadcasts.clear(); 1483 } 1484 // Send broadcasts 1485 for (int i = 0; i < size; i++) { 1486 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1487 } 1488 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1489 break; 1490 } 1491 case START_CLEANING_PACKAGE: { 1492 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1493 final String packageName = (String)msg.obj; 1494 final int userId = msg.arg1; 1495 final boolean andCode = msg.arg2 != 0; 1496 synchronized (mPackages) { 1497 if (userId == UserHandle.USER_ALL) { 1498 int[] users = sUserManager.getUserIds(); 1499 for (int user : users) { 1500 mSettings.addPackageToCleanLPw( 1501 new PackageCleanItem(user, packageName, andCode)); 1502 } 1503 } else { 1504 mSettings.addPackageToCleanLPw( 1505 new PackageCleanItem(userId, packageName, andCode)); 1506 } 1507 } 1508 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1509 startCleaningPackages(); 1510 } break; 1511 case POST_INSTALL: { 1512 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1513 1514 PostInstallData data = mRunningInstalls.get(msg.arg1); 1515 final boolean didRestore = (msg.arg2 != 0); 1516 mRunningInstalls.delete(msg.arg1); 1517 1518 if (data != null) { 1519 InstallArgs args = data.args; 1520 PackageInstalledInfo parentRes = data.res; 1521 1522 final boolean grantPermissions = (args.installFlags 1523 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1524 final boolean killApp = (args.installFlags 1525 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1526 final String[] grantedPermissions = args.installGrantPermissions; 1527 1528 // Handle the parent package 1529 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1530 grantedPermissions, didRestore, args.installerPackageName, 1531 args.observer); 1532 1533 // Handle the child packages 1534 final int childCount = (parentRes.addedChildPackages != null) 1535 ? parentRes.addedChildPackages.size() : 0; 1536 for (int i = 0; i < childCount; i++) { 1537 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1538 handlePackagePostInstall(childRes, grantPermissions, killApp, 1539 grantedPermissions, false, args.installerPackageName, 1540 args.observer); 1541 } 1542 1543 // Log tracing if needed 1544 if (args.traceMethod != null) { 1545 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1546 args.traceCookie); 1547 } 1548 } else { 1549 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1550 } 1551 1552 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1553 } break; 1554 case UPDATED_MEDIA_STATUS: { 1555 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1556 boolean reportStatus = msg.arg1 == 1; 1557 boolean doGc = msg.arg2 == 1; 1558 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1559 if (doGc) { 1560 // Force a gc to clear up stale containers. 1561 Runtime.getRuntime().gc(); 1562 } 1563 if (msg.obj != null) { 1564 @SuppressWarnings("unchecked") 1565 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1566 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1567 // Unload containers 1568 unloadAllContainers(args); 1569 } 1570 if (reportStatus) { 1571 try { 1572 if (DEBUG_SD_INSTALL) Log.i(TAG, 1573 "Invoking StorageManagerService call back"); 1574 PackageHelper.getStorageManager().finishMediaUpdate(); 1575 } catch (RemoteException e) { 1576 Log.e(TAG, "StorageManagerService not running?"); 1577 } 1578 } 1579 } break; 1580 case WRITE_SETTINGS: { 1581 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1582 synchronized (mPackages) { 1583 removeMessages(WRITE_SETTINGS); 1584 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1585 mSettings.writeLPr(); 1586 mDirtyUsers.clear(); 1587 } 1588 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1589 } break; 1590 case WRITE_PACKAGE_RESTRICTIONS: { 1591 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1592 synchronized (mPackages) { 1593 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1594 for (int userId : mDirtyUsers) { 1595 mSettings.writePackageRestrictionsLPr(userId); 1596 } 1597 mDirtyUsers.clear(); 1598 } 1599 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1600 } break; 1601 case WRITE_PACKAGE_LIST: { 1602 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1603 synchronized (mPackages) { 1604 removeMessages(WRITE_PACKAGE_LIST); 1605 mSettings.writePackageListLPr(msg.arg1); 1606 } 1607 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1608 } break; 1609 case CHECK_PENDING_VERIFICATION: { 1610 final int verificationId = msg.arg1; 1611 final PackageVerificationState state = mPendingVerification.get(verificationId); 1612 1613 if ((state != null) && !state.timeoutExtended()) { 1614 final InstallArgs args = state.getInstallArgs(); 1615 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1616 1617 Slog.i(TAG, "Verification timed out for " + originUri); 1618 mPendingVerification.remove(verificationId); 1619 1620 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1621 1622 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1623 Slog.i(TAG, "Continuing with installation of " + originUri); 1624 state.setVerifierResponse(Binder.getCallingUid(), 1625 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1626 broadcastPackageVerified(verificationId, originUri, 1627 PackageManager.VERIFICATION_ALLOW, 1628 state.getInstallArgs().getUser()); 1629 try { 1630 ret = args.copyApk(mContainerService, true); 1631 } catch (RemoteException e) { 1632 Slog.e(TAG, "Could not contact the ContainerService"); 1633 } 1634 } else { 1635 broadcastPackageVerified(verificationId, originUri, 1636 PackageManager.VERIFICATION_REJECT, 1637 state.getInstallArgs().getUser()); 1638 } 1639 1640 Trace.asyncTraceEnd( 1641 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1642 1643 processPendingInstall(args, ret); 1644 mHandler.sendEmptyMessage(MCS_UNBIND); 1645 } 1646 break; 1647 } 1648 case PACKAGE_VERIFIED: { 1649 final int verificationId = msg.arg1; 1650 1651 final PackageVerificationState state = mPendingVerification.get(verificationId); 1652 if (state == null) { 1653 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1654 break; 1655 } 1656 1657 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1658 1659 state.setVerifierResponse(response.callerUid, response.code); 1660 1661 if (state.isVerificationComplete()) { 1662 mPendingVerification.remove(verificationId); 1663 1664 final InstallArgs args = state.getInstallArgs(); 1665 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1666 1667 int ret; 1668 if (state.isInstallAllowed()) { 1669 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1670 broadcastPackageVerified(verificationId, originUri, 1671 response.code, state.getInstallArgs().getUser()); 1672 try { 1673 ret = args.copyApk(mContainerService, true); 1674 } catch (RemoteException e) { 1675 Slog.e(TAG, "Could not contact the ContainerService"); 1676 } 1677 } else { 1678 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1679 } 1680 1681 Trace.asyncTraceEnd( 1682 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1683 1684 processPendingInstall(args, ret); 1685 mHandler.sendEmptyMessage(MCS_UNBIND); 1686 } 1687 1688 break; 1689 } 1690 case START_INTENT_FILTER_VERIFICATIONS: { 1691 IFVerificationParams params = (IFVerificationParams) msg.obj; 1692 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1693 params.replacing, params.pkg); 1694 break; 1695 } 1696 case INTENT_FILTER_VERIFIED: { 1697 final int verificationId = msg.arg1; 1698 1699 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1700 verificationId); 1701 if (state == null) { 1702 Slog.w(TAG, "Invalid IntentFilter verification token " 1703 + verificationId + " received"); 1704 break; 1705 } 1706 1707 final int userId = state.getUserId(); 1708 1709 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1710 "Processing IntentFilter verification with token:" 1711 + verificationId + " and userId:" + userId); 1712 1713 final IntentFilterVerificationResponse response = 1714 (IntentFilterVerificationResponse) msg.obj; 1715 1716 state.setVerifierResponse(response.callerUid, response.code); 1717 1718 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1719 "IntentFilter verification with token:" + verificationId 1720 + " and userId:" + userId 1721 + " is settings verifier response with response code:" 1722 + response.code); 1723 1724 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1725 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1726 + response.getFailedDomainsString()); 1727 } 1728 1729 if (state.isVerificationComplete()) { 1730 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1731 } else { 1732 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1733 "IntentFilter verification with token:" + verificationId 1734 + " was not said to be complete"); 1735 } 1736 1737 break; 1738 } 1739 case INSTANT_APP_RESOLUTION_PHASE_TWO: { 1740 InstantAppResolver.doInstantAppResolutionPhaseTwo(mContext, 1741 mInstantAppResolverConnection, 1742 (InstantAppRequest) msg.obj, 1743 mInstantAppInstallerActivity, 1744 mHandler); 1745 } 1746 } 1747 } 1748 } 1749 1750 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1751 boolean killApp, String[] grantedPermissions, 1752 boolean launchedForRestore, String installerPackage, 1753 IPackageInstallObserver2 installObserver) { 1754 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1755 // Send the removed broadcasts 1756 if (res.removedInfo != null) { 1757 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1758 } 1759 1760 // Now that we successfully installed the package, grant runtime 1761 // permissions if requested before broadcasting the install. Also 1762 // for legacy apps in permission review mode we clear the permission 1763 // review flag which is used to emulate runtime permissions for 1764 // legacy apps. 1765 if (grantPermissions) { 1766 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1767 } 1768 1769 final boolean update = res.removedInfo != null 1770 && res.removedInfo.removedPackage != null; 1771 1772 // If this is the first time we have child packages for a disabled privileged 1773 // app that had no children, we grant requested runtime permissions to the new 1774 // children if the parent on the system image had them already granted. 1775 if (res.pkg.parentPackage != null) { 1776 synchronized (mPackages) { 1777 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1778 } 1779 } 1780 1781 synchronized (mPackages) { 1782 mInstantAppRegistry.onPackageInstalledLPw(res.pkg, res.newUsers); 1783 } 1784 1785 final String packageName = res.pkg.applicationInfo.packageName; 1786 1787 // Determine the set of users who are adding this package for 1788 // the first time vs. those who are seeing an update. 1789 int[] firstUsers = EMPTY_INT_ARRAY; 1790 int[] updateUsers = EMPTY_INT_ARRAY; 1791 final boolean allNewUsers = res.origUsers == null || res.origUsers.length == 0; 1792 final PackageSetting ps = (PackageSetting) res.pkg.mExtras; 1793 for (int newUser : res.newUsers) { 1794 if (ps.getInstantApp(newUser)) { 1795 continue; 1796 } 1797 if (allNewUsers) { 1798 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1799 continue; 1800 } 1801 boolean isNew = true; 1802 for (int origUser : res.origUsers) { 1803 if (origUser == newUser) { 1804 isNew = false; 1805 break; 1806 } 1807 } 1808 if (isNew) { 1809 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1810 } else { 1811 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1812 } 1813 } 1814 1815 // Send installed broadcasts if the package is not a static shared lib. 1816 if (res.pkg.staticSharedLibName == null) { 1817 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1818 1819 // Send added for users that see the package for the first time 1820 // sendPackageAddedForNewUsers also deals with system apps 1821 int appId = UserHandle.getAppId(res.uid); 1822 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 1823 sendPackageAddedForNewUsers(packageName, isSystem, appId, firstUsers); 1824 1825 // Send added for users that don't see the package for the first time 1826 Bundle extras = new Bundle(1); 1827 extras.putInt(Intent.EXTRA_UID, res.uid); 1828 if (update) { 1829 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1830 } 1831 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1832 extras, 0 /*flags*/, null /*targetPackage*/, 1833 null /*finishedReceiver*/, updateUsers); 1834 1835 // Send replaced for users that don't see the package for the first time 1836 if (update) { 1837 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1838 packageName, extras, 0 /*flags*/, 1839 null /*targetPackage*/, null /*finishedReceiver*/, 1840 updateUsers); 1841 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1842 null /*package*/, null /*extras*/, 0 /*flags*/, 1843 packageName /*targetPackage*/, 1844 null /*finishedReceiver*/, updateUsers); 1845 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1846 // First-install and we did a restore, so we're responsible for the 1847 // first-launch broadcast. 1848 if (DEBUG_BACKUP) { 1849 Slog.i(TAG, "Post-restore of " + packageName 1850 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1851 } 1852 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1853 } 1854 1855 // Send broadcast package appeared if forward locked/external for all users 1856 // treat asec-hosted packages like removable media on upgrade 1857 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1858 if (DEBUG_INSTALL) { 1859 Slog.i(TAG, "upgrading pkg " + res.pkg 1860 + " is ASEC-hosted -> AVAILABLE"); 1861 } 1862 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1863 ArrayList<String> pkgList = new ArrayList<>(1); 1864 pkgList.add(packageName); 1865 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1866 } 1867 } 1868 1869 // Work that needs to happen on first install within each user 1870 if (firstUsers != null && firstUsers.length > 0) { 1871 synchronized (mPackages) { 1872 for (int userId : firstUsers) { 1873 // If this app is a browser and it's newly-installed for some 1874 // users, clear any default-browser state in those users. The 1875 // app's nature doesn't depend on the user, so we can just check 1876 // its browser nature in any user and generalize. 1877 if (packageIsBrowser(packageName, userId)) { 1878 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1879 } 1880 1881 // We may also need to apply pending (restored) runtime 1882 // permission grants within these users. 1883 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1884 } 1885 } 1886 } 1887 1888 // Log current value of "unknown sources" setting 1889 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1890 getUnknownSourcesSettings()); 1891 1892 // Force a gc to clear up things 1893 Runtime.getRuntime().gc(); 1894 1895 // Remove the replaced package's older resources safely now 1896 // We delete after a gc for applications on sdcard. 1897 if (res.removedInfo != null && res.removedInfo.args != null) { 1898 synchronized (mInstallLock) { 1899 res.removedInfo.args.doPostDeleteLI(true); 1900 } 1901 } 1902 1903 // Notify DexManager that the package was installed for new users. 1904 // The updated users should already be indexed and the package code paths 1905 // should not change. 1906 // Don't notify the manager for ephemeral apps as they are not expected to 1907 // survive long enough to benefit of background optimizations. 1908 for (int userId : firstUsers) { 1909 PackageInfo info = getPackageInfo(packageName, /*flags*/ 0, userId); 1910 mDexManager.notifyPackageInstalled(info, userId); 1911 } 1912 } 1913 1914 // If someone is watching installs - notify them 1915 if (installObserver != null) { 1916 try { 1917 Bundle extras = extrasForInstallResult(res); 1918 installObserver.onPackageInstalled(res.name, res.returnCode, 1919 res.returnMsg, extras); 1920 } catch (RemoteException e) { 1921 Slog.i(TAG, "Observer no longer exists."); 1922 } 1923 } 1924 } 1925 1926 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1927 PackageParser.Package pkg) { 1928 if (pkg.parentPackage == null) { 1929 return; 1930 } 1931 if (pkg.requestedPermissions == null) { 1932 return; 1933 } 1934 final PackageSetting disabledSysParentPs = mSettings 1935 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1936 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1937 || !disabledSysParentPs.isPrivileged() 1938 || (disabledSysParentPs.childPackageNames != null 1939 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1940 return; 1941 } 1942 final int[] allUserIds = sUserManager.getUserIds(); 1943 final int permCount = pkg.requestedPermissions.size(); 1944 for (int i = 0; i < permCount; i++) { 1945 String permission = pkg.requestedPermissions.get(i); 1946 BasePermission bp = mSettings.mPermissions.get(permission); 1947 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1948 continue; 1949 } 1950 for (int userId : allUserIds) { 1951 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1952 permission, userId)) { 1953 grantRuntimePermission(pkg.packageName, permission, userId); 1954 } 1955 } 1956 } 1957 } 1958 1959 private StorageEventListener mStorageListener = new StorageEventListener() { 1960 @Override 1961 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1962 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1963 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1964 final String volumeUuid = vol.getFsUuid(); 1965 1966 // Clean up any users or apps that were removed or recreated 1967 // while this volume was missing 1968 sUserManager.reconcileUsers(volumeUuid); 1969 reconcileApps(volumeUuid); 1970 1971 // Clean up any install sessions that expired or were 1972 // cancelled while this volume was missing 1973 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1974 1975 loadPrivatePackages(vol); 1976 1977 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1978 unloadPrivatePackages(vol); 1979 } 1980 } 1981 1982 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1983 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1984 updateExternalMediaStatus(true, false); 1985 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1986 updateExternalMediaStatus(false, false); 1987 } 1988 } 1989 } 1990 1991 @Override 1992 public void onVolumeForgotten(String fsUuid) { 1993 if (TextUtils.isEmpty(fsUuid)) { 1994 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1995 return; 1996 } 1997 1998 // Remove any apps installed on the forgotten volume 1999 synchronized (mPackages) { 2000 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2001 for (PackageSetting ps : packages) { 2002 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2003 deletePackageVersioned(new VersionedPackage(ps.name, 2004 PackageManager.VERSION_CODE_HIGHEST), 2005 new LegacyPackageDeleteObserver(null).getBinder(), 2006 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2007 // Try very hard to release any references to this package 2008 // so we don't risk the system server being killed due to 2009 // open FDs 2010 AttributeCache.instance().removePackage(ps.name); 2011 } 2012 2013 mSettings.onVolumeForgotten(fsUuid); 2014 mSettings.writeLPr(); 2015 } 2016 } 2017 }; 2018 2019 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2020 String[] grantedPermissions) { 2021 for (int userId : userIds) { 2022 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2023 } 2024 } 2025 2026 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2027 String[] grantedPermissions) { 2028 SettingBase sb = (SettingBase) pkg.mExtras; 2029 if (sb == null) { 2030 return; 2031 } 2032 2033 PermissionsState permissionsState = sb.getPermissionsState(); 2034 2035 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2036 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2037 2038 final boolean supportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 2039 >= Build.VERSION_CODES.M; 2040 2041 for (String permission : pkg.requestedPermissions) { 2042 final BasePermission bp; 2043 synchronized (mPackages) { 2044 bp = mSettings.mPermissions.get(permission); 2045 } 2046 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2047 && (grantedPermissions == null 2048 || ArrayUtils.contains(grantedPermissions, permission))) { 2049 final int flags = permissionsState.getPermissionFlags(permission, userId); 2050 if (supportsRuntimePermissions) { 2051 // Installer cannot change immutable permissions. 2052 if ((flags & immutableFlags) == 0) { 2053 grantRuntimePermission(pkg.packageName, permission, userId); 2054 } 2055 } else if (mPermissionReviewRequired) { 2056 // In permission review mode we clear the review flag when we 2057 // are asked to install the app with all permissions granted. 2058 if ((flags & PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 2059 updatePermissionFlags(permission, pkg.packageName, 2060 PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED, 0, userId); 2061 } 2062 } 2063 } 2064 } 2065 } 2066 2067 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2068 Bundle extras = null; 2069 switch (res.returnCode) { 2070 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2071 extras = new Bundle(); 2072 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2073 res.origPermission); 2074 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2075 res.origPackage); 2076 break; 2077 } 2078 case PackageManager.INSTALL_SUCCEEDED: { 2079 extras = new Bundle(); 2080 extras.putBoolean(Intent.EXTRA_REPLACING, 2081 res.removedInfo != null && res.removedInfo.removedPackage != null); 2082 break; 2083 } 2084 } 2085 return extras; 2086 } 2087 2088 void scheduleWriteSettingsLocked() { 2089 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2090 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2091 } 2092 } 2093 2094 void scheduleWritePackageListLocked(int userId) { 2095 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2096 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2097 msg.arg1 = userId; 2098 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2099 } 2100 } 2101 2102 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2103 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2104 scheduleWritePackageRestrictionsLocked(userId); 2105 } 2106 2107 void scheduleWritePackageRestrictionsLocked(int userId) { 2108 final int[] userIds = (userId == UserHandle.USER_ALL) 2109 ? sUserManager.getUserIds() : new int[]{userId}; 2110 for (int nextUserId : userIds) { 2111 if (!sUserManager.exists(nextUserId)) return; 2112 mDirtyUsers.add(nextUserId); 2113 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2114 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2115 } 2116 } 2117 } 2118 2119 public static PackageManagerService main(Context context, Installer installer, 2120 boolean factoryTest, boolean onlyCore) { 2121 // Self-check for initial settings. 2122 PackageManagerServiceCompilerMapping.checkProperties(); 2123 2124 PackageManagerService m = new PackageManagerService(context, installer, 2125 factoryTest, onlyCore); 2126 m.enableSystemUserPackages(); 2127 ServiceManager.addService("package", m); 2128 return m; 2129 } 2130 2131 private void enableSystemUserPackages() { 2132 if (!UserManager.isSplitSystemUser()) { 2133 return; 2134 } 2135 // For system user, enable apps based on the following conditions: 2136 // - app is whitelisted or belong to one of these groups: 2137 // -- system app which has no launcher icons 2138 // -- system app which has INTERACT_ACROSS_USERS permission 2139 // -- system IME app 2140 // - app is not in the blacklist 2141 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2142 Set<String> enableApps = new ArraySet<>(); 2143 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2144 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2145 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2146 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2147 enableApps.addAll(wlApps); 2148 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2149 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2150 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2151 enableApps.removeAll(blApps); 2152 Log.i(TAG, "Applications installed for system user: " + enableApps); 2153 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2154 UserHandle.SYSTEM); 2155 final int allAppsSize = allAps.size(); 2156 synchronized (mPackages) { 2157 for (int i = 0; i < allAppsSize; i++) { 2158 String pName = allAps.get(i); 2159 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2160 // Should not happen, but we shouldn't be failing if it does 2161 if (pkgSetting == null) { 2162 continue; 2163 } 2164 boolean install = enableApps.contains(pName); 2165 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2166 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2167 + " for system user"); 2168 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2169 } 2170 } 2171 scheduleWritePackageRestrictionsLocked(UserHandle.USER_SYSTEM); 2172 } 2173 } 2174 2175 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2176 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2177 Context.DISPLAY_SERVICE); 2178 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2179 } 2180 2181 /** 2182 * Requests that files preopted on a secondary system partition be copied to the data partition 2183 * if possible. Note that the actual copying of the files is accomplished by init for security 2184 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2185 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2186 */ 2187 private static void requestCopyPreoptedFiles() { 2188 final int WAIT_TIME_MS = 100; 2189 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2190 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2191 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2192 // We will wait for up to 100 seconds. 2193 final long timeStart = SystemClock.uptimeMillis(); 2194 final long timeEnd = timeStart + 100 * 1000; 2195 long timeNow = timeStart; 2196 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2197 try { 2198 Thread.sleep(WAIT_TIME_MS); 2199 } catch (InterruptedException e) { 2200 // Do nothing 2201 } 2202 timeNow = SystemClock.uptimeMillis(); 2203 if (timeNow > timeEnd) { 2204 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2205 Slog.wtf(TAG, "cppreopt did not finish!"); 2206 break; 2207 } 2208 } 2209 2210 Slog.i(TAG, "cppreopts took " + (timeNow - timeStart) + " ms"); 2211 } 2212 } 2213 2214 public PackageManagerService(Context context, Installer installer, 2215 boolean factoryTest, boolean onlyCore) { 2216 LockGuard.installLock(mPackages, LockGuard.INDEX_PACKAGES); 2217 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2218 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2219 SystemClock.uptimeMillis()); 2220 2221 if (mSdkVersion <= 0) { 2222 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2223 } 2224 2225 mContext = context; 2226 2227 mPermissionReviewRequired = context.getResources().getBoolean( 2228 R.bool.config_permissionReviewRequired); 2229 2230 mFactoryTest = factoryTest; 2231 mOnlyCore = onlyCore; 2232 mMetrics = new DisplayMetrics(); 2233 mSettings = new Settings(mPackages); 2234 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2235 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2236 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2237 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2238 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2239 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2240 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2241 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2242 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2243 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2244 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2245 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2246 2247 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2248 if (separateProcesses != null && separateProcesses.length() > 0) { 2249 if ("*".equals(separateProcesses)) { 2250 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2251 mSeparateProcesses = null; 2252 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2253 } else { 2254 mDefParseFlags = 0; 2255 mSeparateProcesses = separateProcesses.split(","); 2256 Slog.w(TAG, "Running with debug.separate_processes: " 2257 + separateProcesses); 2258 } 2259 } else { 2260 mDefParseFlags = 0; 2261 mSeparateProcesses = null; 2262 } 2263 2264 mInstaller = installer; 2265 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2266 "*dexopt*"); 2267 mDexManager = new DexManager(this, mPackageDexOptimizer, installer, mInstallLock); 2268 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2269 2270 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2271 FgThread.get().getLooper()); 2272 2273 getDefaultDisplayMetrics(context, mMetrics); 2274 2275 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2276 SystemConfig systemConfig = SystemConfig.getInstance(); 2277 mGlobalGids = systemConfig.getGlobalGids(); 2278 mSystemPermissions = systemConfig.getSystemPermissions(); 2279 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2280 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2281 2282 mProtectedPackages = new ProtectedPackages(mContext); 2283 2284 synchronized (mInstallLock) { 2285 // writer 2286 synchronized (mPackages) { 2287 mHandlerThread = new ServiceThread(TAG, 2288 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2289 mHandlerThread.start(); 2290 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2291 mProcessLoggingHandler = new ProcessLoggingHandler(); 2292 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2293 2294 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2295 mInstantAppRegistry = new InstantAppRegistry(this); 2296 2297 File dataDir = Environment.getDataDirectory(); 2298 mAppInstallDir = new File(dataDir, "app"); 2299 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2300 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2301 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2302 sUserManager = new UserManagerService(context, this, 2303 new UserDataPreparer(mInstaller, mInstallLock, mContext, mOnlyCore), mPackages); 2304 2305 // Propagate permission configuration in to package manager. 2306 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2307 = systemConfig.getPermissions(); 2308 for (int i=0; i<permConfig.size(); i++) { 2309 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2310 BasePermission bp = mSettings.mPermissions.get(perm.name); 2311 if (bp == null) { 2312 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2313 mSettings.mPermissions.put(perm.name, bp); 2314 } 2315 if (perm.gids != null) { 2316 bp.setGids(perm.gids, perm.perUser); 2317 } 2318 } 2319 2320 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2321 final int builtInLibCount = libConfig.size(); 2322 for (int i = 0; i < builtInLibCount; i++) { 2323 String name = libConfig.keyAt(i); 2324 String path = libConfig.valueAt(i); 2325 addSharedLibraryLPw(path, null, name, SharedLibraryInfo.VERSION_UNDEFINED, 2326 SharedLibraryInfo.TYPE_BUILTIN, PLATFORM_PACKAGE_NAME, 0); 2327 } 2328 2329 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2330 2331 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2332 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2333 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2334 2335 // Clean up orphaned packages for which the code path doesn't exist 2336 // and they are an update to a system app - caused by bug/32321269 2337 final int packageSettingCount = mSettings.mPackages.size(); 2338 for (int i = packageSettingCount - 1; i >= 0; i--) { 2339 PackageSetting ps = mSettings.mPackages.valueAt(i); 2340 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2341 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2342 mSettings.mPackages.removeAt(i); 2343 mSettings.enableSystemPackageLPw(ps.name); 2344 } 2345 } 2346 2347 if (mFirstBoot) { 2348 requestCopyPreoptedFiles(); 2349 } 2350 2351 String customResolverActivity = Resources.getSystem().getString( 2352 R.string.config_customResolverActivity); 2353 if (TextUtils.isEmpty(customResolverActivity)) { 2354 customResolverActivity = null; 2355 } else { 2356 mCustomResolverComponentName = ComponentName.unflattenFromString( 2357 customResolverActivity); 2358 } 2359 2360 long startTime = SystemClock.uptimeMillis(); 2361 2362 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2363 startTime); 2364 2365 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2366 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2367 2368 if (bootClassPath == null) { 2369 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2370 } 2371 2372 if (systemServerClassPath == null) { 2373 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2374 } 2375 2376 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2377 final String[] dexCodeInstructionSets = 2378 getDexCodeInstructionSets( 2379 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2380 2381 /** 2382 * Ensure all external libraries have had dexopt run on them. 2383 */ 2384 if (mSharedLibraries.size() > 0) { 2385 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2386 // NOTE: For now, we're compiling these system "shared libraries" 2387 // (and framework jars) into all available architectures. It's possible 2388 // to compile them only when we come across an app that uses them (there's 2389 // already logic for that in scanPackageLI) but that adds some complexity. 2390 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2391 final int libCount = mSharedLibraries.size(); 2392 for (int i = 0; i < libCount; i++) { 2393 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 2394 final int versionCount = versionedLib.size(); 2395 for (int j = 0; j < versionCount; j++) { 2396 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 2397 final String libPath = libEntry.path != null 2398 ? libEntry.path : libEntry.apk; 2399 if (libPath == null) { 2400 continue; 2401 } 2402 try { 2403 // Shared libraries do not have profiles so we perform a full 2404 // AOT compilation (if needed). 2405 int dexoptNeeded = DexFile.getDexOptNeeded( 2406 libPath, dexCodeInstructionSet, 2407 getCompilerFilterForReason(REASON_SHARED_APK), 2408 false /* newProfile */); 2409 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2410 mInstaller.dexopt(libPath, Process.SYSTEM_UID, "*", 2411 dexCodeInstructionSet, dexoptNeeded, null, 2412 DEXOPT_PUBLIC, 2413 getCompilerFilterForReason(REASON_SHARED_APK), 2414 StorageManager.UUID_PRIVATE_INTERNAL, 2415 PackageDexOptimizer.SKIP_SHARED_LIBRARY_CHECK); 2416 } 2417 } catch (FileNotFoundException e) { 2418 Slog.w(TAG, "Library not found: " + libPath); 2419 } catch (IOException | InstallerException e) { 2420 Slog.w(TAG, "Cannot dexopt " + libPath + "; is it an APK or JAR? " 2421 + e.getMessage()); 2422 } 2423 } 2424 } 2425 } 2426 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2427 } 2428 2429 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2430 2431 final VersionInfo ver = mSettings.getInternalVersion(); 2432 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2433 2434 // when upgrading from pre-M, promote system app permissions from install to runtime 2435 mPromoteSystemApps = 2436 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2437 2438 // When upgrading from pre-N, we need to handle package extraction like first boot, 2439 // as there is no profiling data available. 2440 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2441 2442 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2443 2444 // save off the names of pre-existing system packages prior to scanning; we don't 2445 // want to automatically grant runtime permissions for new system apps 2446 if (mPromoteSystemApps) { 2447 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2448 while (pkgSettingIter.hasNext()) { 2449 PackageSetting ps = pkgSettingIter.next(); 2450 if (isSystemApp(ps)) { 2451 mExistingSystemPackages.add(ps.name); 2452 } 2453 } 2454 } 2455 2456 mCacheDir = preparePackageParserCache(mIsUpgrade); 2457 2458 // Set flag to monitor and not change apk file paths when 2459 // scanning install directories. 2460 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2461 2462 if (mIsUpgrade || mFirstBoot) { 2463 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2464 } 2465 2466 // Collect vendor overlay packages. (Do this before scanning any apps.) 2467 // For security and version matching reason, only consider 2468 // overlay packages if they reside in the right directory. 2469 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2470 | PackageParser.PARSE_IS_SYSTEM 2471 | PackageParser.PARSE_IS_SYSTEM_DIR 2472 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2473 2474 // Find base frameworks (resource packages without code). 2475 scanDirTracedLI(frameworkDir, mDefParseFlags 2476 | PackageParser.PARSE_IS_SYSTEM 2477 | PackageParser.PARSE_IS_SYSTEM_DIR 2478 | PackageParser.PARSE_IS_PRIVILEGED, 2479 scanFlags | SCAN_NO_DEX, 0); 2480 2481 // Collected privileged system packages. 2482 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2483 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2484 | PackageParser.PARSE_IS_SYSTEM 2485 | PackageParser.PARSE_IS_SYSTEM_DIR 2486 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2487 2488 // Collect ordinary system packages. 2489 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2490 scanDirTracedLI(systemAppDir, mDefParseFlags 2491 | PackageParser.PARSE_IS_SYSTEM 2492 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2493 2494 // Collect all vendor packages. 2495 File vendorAppDir = new File("/vendor/app"); 2496 try { 2497 vendorAppDir = vendorAppDir.getCanonicalFile(); 2498 } catch (IOException e) { 2499 // failed to look up canonical path, continue with original one 2500 } 2501 scanDirTracedLI(vendorAppDir, mDefParseFlags 2502 | PackageParser.PARSE_IS_SYSTEM 2503 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2504 2505 // Collect all OEM packages. 2506 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2507 scanDirTracedLI(oemAppDir, mDefParseFlags 2508 | PackageParser.PARSE_IS_SYSTEM 2509 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2510 2511 // Prune any system packages that no longer exist. 2512 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2513 if (!mOnlyCore) { 2514 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2515 while (psit.hasNext()) { 2516 PackageSetting ps = psit.next(); 2517 2518 /* 2519 * If this is not a system app, it can't be a 2520 * disable system app. 2521 */ 2522 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2523 continue; 2524 } 2525 2526 /* 2527 * If the package is scanned, it's not erased. 2528 */ 2529 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2530 if (scannedPkg != null) { 2531 /* 2532 * If the system app is both scanned and in the 2533 * disabled packages list, then it must have been 2534 * added via OTA. Remove it from the currently 2535 * scanned package so the previously user-installed 2536 * application can be scanned. 2537 */ 2538 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2539 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2540 + ps.name + "; removing system app. Last known codePath=" 2541 + ps.codePathString + ", installStatus=" + ps.installStatus 2542 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2543 + scannedPkg.mVersionCode); 2544 removePackageLI(scannedPkg, true); 2545 mExpectingBetter.put(ps.name, ps.codePath); 2546 } 2547 2548 continue; 2549 } 2550 2551 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2552 psit.remove(); 2553 logCriticalInfo(Log.WARN, "System package " + ps.name 2554 + " no longer exists; it's data will be wiped"); 2555 // Actual deletion of code and data will be handled by later 2556 // reconciliation step 2557 } else { 2558 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2559 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2560 possiblyDeletedUpdatedSystemApps.add(ps.name); 2561 } 2562 } 2563 } 2564 } 2565 2566 //look for any incomplete package installations 2567 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2568 for (int i = 0; i < deletePkgsList.size(); i++) { 2569 // Actual deletion of code and data will be handled by later 2570 // reconciliation step 2571 final String packageName = deletePkgsList.get(i).name; 2572 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2573 synchronized (mPackages) { 2574 mSettings.removePackageLPw(packageName); 2575 } 2576 } 2577 2578 //delete tmp files 2579 deleteTempPackageFiles(); 2580 2581 // Remove any shared userIDs that have no associated packages 2582 mSettings.pruneSharedUsersLPw(); 2583 2584 if (!mOnlyCore) { 2585 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2586 SystemClock.uptimeMillis()); 2587 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2588 2589 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2590 | PackageParser.PARSE_FORWARD_LOCK, 2591 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2592 2593 /** 2594 * Remove disable package settings for any updated system 2595 * apps that were removed via an OTA. If they're not a 2596 * previously-updated app, remove them completely. 2597 * Otherwise, just revoke their system-level permissions. 2598 */ 2599 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2600 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2601 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2602 2603 String msg; 2604 if (deletedPkg == null) { 2605 msg = "Updated system package " + deletedAppName 2606 + " no longer exists; it's data will be wiped"; 2607 // Actual deletion of code and data will be handled by later 2608 // reconciliation step 2609 } else { 2610 msg = "Updated system app + " + deletedAppName 2611 + " no longer present; removing system privileges for " 2612 + deletedAppName; 2613 2614 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2615 2616 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2617 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2618 } 2619 logCriticalInfo(Log.WARN, msg); 2620 } 2621 2622 /** 2623 * Make sure all system apps that we expected to appear on 2624 * the userdata partition actually showed up. If they never 2625 * appeared, crawl back and revive the system version. 2626 */ 2627 for (int i = 0; i < mExpectingBetter.size(); i++) { 2628 final String packageName = mExpectingBetter.keyAt(i); 2629 if (!mPackages.containsKey(packageName)) { 2630 final File scanFile = mExpectingBetter.valueAt(i); 2631 2632 logCriticalInfo(Log.WARN, "Expected better " + packageName 2633 + " but never showed up; reverting to system"); 2634 2635 int reparseFlags = mDefParseFlags; 2636 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2637 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2638 | PackageParser.PARSE_IS_SYSTEM_DIR 2639 | PackageParser.PARSE_IS_PRIVILEGED; 2640 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2641 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2642 | PackageParser.PARSE_IS_SYSTEM_DIR; 2643 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2644 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2645 | PackageParser.PARSE_IS_SYSTEM_DIR; 2646 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2647 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2648 | PackageParser.PARSE_IS_SYSTEM_DIR; 2649 } else { 2650 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2651 continue; 2652 } 2653 2654 mSettings.enableSystemPackageLPw(packageName); 2655 2656 try { 2657 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2658 } catch (PackageManagerException e) { 2659 Slog.e(TAG, "Failed to parse original system package: " 2660 + e.getMessage()); 2661 } 2662 } 2663 } 2664 } 2665 mExpectingBetter.clear(); 2666 2667 // Resolve the storage manager. 2668 mStorageManagerPackage = getStorageManagerPackageName(); 2669 2670 // Resolve protected action filters. Only the setup wizard is allowed to 2671 // have a high priority filter for these actions. 2672 mSetupWizardPackage = getSetupWizardPackageName(); 2673 if (mProtectedFilters.size() > 0) { 2674 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2675 Slog.i(TAG, "No setup wizard;" 2676 + " All protected intents capped to priority 0"); 2677 } 2678 for (ActivityIntentInfo filter : mProtectedFilters) { 2679 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2680 if (DEBUG_FILTERS) { 2681 Slog.i(TAG, "Found setup wizard;" 2682 + " allow priority " + filter.getPriority() + ";" 2683 + " package: " + filter.activity.info.packageName 2684 + " activity: " + filter.activity.className 2685 + " priority: " + filter.getPriority()); 2686 } 2687 // skip setup wizard; allow it to keep the high priority filter 2688 continue; 2689 } 2690 Slog.w(TAG, "Protected action; cap priority to 0;" 2691 + " package: " + filter.activity.info.packageName 2692 + " activity: " + filter.activity.className 2693 + " origPrio: " + filter.getPriority()); 2694 filter.setPriority(0); 2695 } 2696 } 2697 mDeferProtectedFilters = false; 2698 mProtectedFilters.clear(); 2699 2700 // Now that we know all of the shared libraries, update all clients to have 2701 // the correct library paths. 2702 updateAllSharedLibrariesLPw(null); 2703 2704 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2705 // NOTE: We ignore potential failures here during a system scan (like 2706 // the rest of the commands above) because there's precious little we 2707 // can do about it. A settings error is reported, though. 2708 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2709 } 2710 2711 // Now that we know all the packages we are keeping, 2712 // read and update their last usage times. 2713 mPackageUsage.read(mPackages); 2714 mCompilerStats.read(); 2715 2716 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2717 SystemClock.uptimeMillis()); 2718 Slog.i(TAG, "Time to scan packages: " 2719 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2720 + " seconds"); 2721 2722 // If the platform SDK has changed since the last time we booted, 2723 // we need to re-grant app permission to catch any new ones that 2724 // appear. This is really a hack, and means that apps can in some 2725 // cases get permissions that the user didn't initially explicitly 2726 // allow... it would be nice to have some better way to handle 2727 // this situation. 2728 int updateFlags = UPDATE_PERMISSIONS_ALL; 2729 if (ver.sdkVersion != mSdkVersion) { 2730 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2731 + mSdkVersion + "; regranting permissions for internal storage"); 2732 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2733 } 2734 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2735 ver.sdkVersion = mSdkVersion; 2736 2737 // If this is the first boot or an update from pre-M, and it is a normal 2738 // boot, then we need to initialize the default preferred apps across 2739 // all defined users. 2740 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2741 for (UserInfo user : sUserManager.getUsers(true)) { 2742 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2743 applyFactoryDefaultBrowserLPw(user.id); 2744 primeDomainVerificationsLPw(user.id); 2745 } 2746 } 2747 2748 // Prepare storage for system user really early during boot, 2749 // since core system apps like SettingsProvider and SystemUI 2750 // can't wait for user to start 2751 final int storageFlags; 2752 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2753 storageFlags = StorageManager.FLAG_STORAGE_DE; 2754 } else { 2755 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2756 } 2757 List<String> deferPackages = reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, 2758 UserHandle.USER_SYSTEM, storageFlags, true /* migrateAppData */, 2759 true /* onlyCoreApps */); 2760 mPrepareAppDataFuture = SystemServerInitThreadPool.get().submit(() -> { 2761 if (deferPackages == null || deferPackages.isEmpty()) { 2762 return; 2763 } 2764 int count = 0; 2765 for (String pkgName : deferPackages) { 2766 PackageParser.Package pkg = null; 2767 synchronized (mPackages) { 2768 PackageSetting ps = mSettings.getPackageLPr(pkgName); 2769 if (ps != null && ps.getInstalled(UserHandle.USER_SYSTEM)) { 2770 pkg = ps.pkg; 2771 } 2772 } 2773 if (pkg != null) { 2774 synchronized (mInstallLock) { 2775 prepareAppDataAndMigrateLIF(pkg, UserHandle.USER_SYSTEM, storageFlags, 2776 true /* maybeMigrateAppData */); 2777 } 2778 count++; 2779 } 2780 } 2781 Slog.i(TAG, "Deferred reconcileAppsData finished " + count + " packages"); 2782 }, "prepareAppData"); 2783 2784 // If this is first boot after an OTA, and a normal boot, then 2785 // we need to clear code cache directories. 2786 // Note that we do *not* clear the application profiles. These remain valid 2787 // across OTAs and are used to drive profile verification (post OTA) and 2788 // profile compilation (without waiting to collect a fresh set of profiles). 2789 if (mIsUpgrade && !onlyCore) { 2790 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2791 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2792 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2793 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2794 // No apps are running this early, so no need to freeze 2795 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2796 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2797 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2798 } 2799 } 2800 ver.fingerprint = Build.FINGERPRINT; 2801 } 2802 2803 checkDefaultBrowser(); 2804 2805 // clear only after permissions and other defaults have been updated 2806 mExistingSystemPackages.clear(); 2807 mPromoteSystemApps = false; 2808 2809 // All the changes are done during package scanning. 2810 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2811 2812 // can downgrade to reader 2813 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2814 mSettings.writeLPr(); 2815 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2816 2817 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2818 // early on (before the package manager declares itself as early) because other 2819 // components in the system server might ask for package contexts for these apps. 2820 // 2821 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2822 // (i.e, that the data partition is unavailable). 2823 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2824 long start = System.nanoTime(); 2825 List<PackageParser.Package> coreApps = new ArrayList<>(); 2826 for (PackageParser.Package pkg : mPackages.values()) { 2827 if (pkg.coreApp) { 2828 coreApps.add(pkg); 2829 } 2830 } 2831 2832 int[] stats = performDexOptUpgrade(coreApps, false, 2833 getCompilerFilterForReason(REASON_CORE_APP)); 2834 2835 final int elapsedTimeSeconds = 2836 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2837 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2838 2839 if (DEBUG_DEXOPT) { 2840 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2841 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2842 } 2843 2844 2845 // TODO: Should we log these stats to tron too ? 2846 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2847 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2848 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2849 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2850 } 2851 2852 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2853 SystemClock.uptimeMillis()); 2854 2855 if (!mOnlyCore) { 2856 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2857 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2858 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2859 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2860 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2861 mIntentFilterVerifierComponent); 2862 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2863 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES, 2864 SharedLibraryInfo.VERSION_UNDEFINED); 2865 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2866 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED, 2867 SharedLibraryInfo.VERSION_UNDEFINED); 2868 } else { 2869 mRequiredVerifierPackage = null; 2870 mRequiredInstallerPackage = null; 2871 mRequiredUninstallerPackage = null; 2872 mIntentFilterVerifierComponent = null; 2873 mIntentFilterVerifier = null; 2874 mServicesSystemSharedLibraryPackageName = null; 2875 mSharedSystemSharedLibraryPackageName = null; 2876 } 2877 2878 mInstallerService = new PackageInstallerService(context, this); 2879 2880 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2881 if (ephemeralResolverComponent != null) { 2882 if (DEBUG_EPHEMERAL) { 2883 Slog.i(TAG, "Ephemeral resolver: " + ephemeralResolverComponent); 2884 } 2885 mInstantAppResolverConnection = 2886 new EphemeralResolverConnection(mContext, ephemeralResolverComponent); 2887 } else { 2888 mInstantAppResolverConnection = null; 2889 } 2890 mInstantAppInstallerComponent = getEphemeralInstallerLPr(); 2891 if (mInstantAppInstallerComponent != null) { 2892 if (DEBUG_EPHEMERAL) { 2893 Slog.i(TAG, "Ephemeral installer: " + mInstantAppInstallerComponent); 2894 } 2895 setUpInstantAppInstallerActivityLP(mInstantAppInstallerComponent); 2896 } 2897 2898 // Read and update the usage of dex files. 2899 // Do this at the end of PM init so that all the packages have their 2900 // data directory reconciled. 2901 // At this point we know the code paths of the packages, so we can validate 2902 // the disk file and build the internal cache. 2903 // The usage file is expected to be small so loading and verifying it 2904 // should take a fairly small time compare to the other activities (e.g. package 2905 // scanning). 2906 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 2907 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 2908 for (int userId : currentUserIds) { 2909 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 2910 } 2911 mDexManager.load(userPackages); 2912 } // synchronized (mPackages) 2913 } // synchronized (mInstallLock) 2914 2915 // Now after opening every single application zip, make sure they 2916 // are all flushed. Not really needed, but keeps things nice and 2917 // tidy. 2918 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2919 Runtime.getRuntime().gc(); 2920 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2921 2922 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 2923 FallbackCategoryProvider.loadFallbacks(); 2924 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2925 2926 // The initial scanning above does many calls into installd while 2927 // holding the mPackages lock, but we're mostly interested in yelling 2928 // once we have a booted system. 2929 mInstaller.setWarnIfHeld(mPackages); 2930 2931 // Expose private service for system components to use. 2932 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2933 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2934 } 2935 2936 private static File preparePackageParserCache(boolean isUpgrade) { 2937 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 2938 return null; 2939 } 2940 2941 // Disable package parsing on eng builds to allow for faster incremental development. 2942 if ("eng".equals(Build.TYPE)) { 2943 return null; 2944 } 2945 2946 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 2947 Slog.i(TAG, "Disabling package parser cache due to system property."); 2948 return null; 2949 } 2950 2951 // The base directory for the package parser cache lives under /data/system/. 2952 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 2953 "package_cache"); 2954 if (cacheBaseDir == null) { 2955 return null; 2956 } 2957 2958 // If this is a system upgrade scenario, delete the contents of the package cache dir. 2959 // This also serves to "GC" unused entries when the package cache version changes (which 2960 // can only happen during upgrades). 2961 if (isUpgrade) { 2962 FileUtils.deleteContents(cacheBaseDir); 2963 } 2964 2965 2966 // Return the versioned package cache directory. This is something like 2967 // "/data/system/package_cache/1" 2968 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2969 2970 // The following is a workaround to aid development on non-numbered userdebug 2971 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 2972 // the system partition is newer. 2973 // 2974 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 2975 // that starts with "eng." to signify that this is an engineering build and not 2976 // destined for release. 2977 if ("userdebug".equals(Build.TYPE) && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 2978 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 2979 2980 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 2981 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 2982 // in general and should not be used for production changes. In this specific case, 2983 // we know that they will work. 2984 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2985 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 2986 FileUtils.deleteContents(cacheBaseDir); 2987 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2988 } 2989 } 2990 2991 return cacheDir; 2992 } 2993 2994 @Override 2995 public boolean isFirstBoot() { 2996 return mFirstBoot; 2997 } 2998 2999 @Override 3000 public boolean isOnlyCoreApps() { 3001 return mOnlyCore; 3002 } 3003 3004 @Override 3005 public boolean isUpgrade() { 3006 return mIsUpgrade; 3007 } 3008 3009 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 3010 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 3011 3012 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3013 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3014 UserHandle.USER_SYSTEM); 3015 if (matches.size() == 1) { 3016 return matches.get(0).getComponentInfo().packageName; 3017 } else if (matches.size() == 0) { 3018 Log.e(TAG, "There should probably be a verifier, but, none were found"); 3019 return null; 3020 } 3021 throw new RuntimeException("There must be exactly one verifier; found " + matches); 3022 } 3023 3024 private @NonNull String getRequiredSharedLibraryLPr(String name, int version) { 3025 synchronized (mPackages) { 3026 SharedLibraryEntry libraryEntry = getSharedLibraryEntryLPr(name, version); 3027 if (libraryEntry == null) { 3028 throw new IllegalStateException("Missing required shared library:" + name); 3029 } 3030 return libraryEntry.apk; 3031 } 3032 } 3033 3034 private @NonNull String getRequiredInstallerLPr() { 3035 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 3036 intent.addCategory(Intent.CATEGORY_DEFAULT); 3037 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3038 3039 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3040 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3041 UserHandle.USER_SYSTEM); 3042 if (matches.size() == 1) { 3043 ResolveInfo resolveInfo = matches.get(0); 3044 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 3045 throw new RuntimeException("The installer must be a privileged app"); 3046 } 3047 return matches.get(0).getComponentInfo().packageName; 3048 } else { 3049 throw new RuntimeException("There must be exactly one installer; found " + matches); 3050 } 3051 } 3052 3053 private @NonNull String getRequiredUninstallerLPr() { 3054 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 3055 intent.addCategory(Intent.CATEGORY_DEFAULT); 3056 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 3057 3058 final ResolveInfo resolveInfo = resolveIntent(intent, null, 3059 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3060 UserHandle.USER_SYSTEM); 3061 if (resolveInfo == null || 3062 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 3063 throw new RuntimeException("There must be exactly one uninstaller; found " 3064 + resolveInfo); 3065 } 3066 return resolveInfo.getComponentInfo().packageName; 3067 } 3068 3069 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 3070 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 3071 3072 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3073 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3074 UserHandle.USER_SYSTEM); 3075 ResolveInfo best = null; 3076 final int N = matches.size(); 3077 for (int i = 0; i < N; i++) { 3078 final ResolveInfo cur = matches.get(i); 3079 final String packageName = cur.getComponentInfo().packageName; 3080 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 3081 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 3082 continue; 3083 } 3084 3085 if (best == null || cur.priority > best.priority) { 3086 best = cur; 3087 } 3088 } 3089 3090 if (best != null) { 3091 return best.getComponentInfo().getComponentName(); 3092 } else { 3093 throw new RuntimeException("There must be at least one intent filter verifier"); 3094 } 3095 } 3096 3097 private @Nullable ComponentName getEphemeralResolverLPr() { 3098 final String[] packageArray = 3099 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3100 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3101 if (DEBUG_EPHEMERAL) { 3102 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3103 } 3104 return null; 3105 } 3106 3107 final int resolveFlags = 3108 MATCH_DIRECT_BOOT_AWARE 3109 | MATCH_DIRECT_BOOT_UNAWARE 3110 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3111 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 3112 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3113 resolveFlags, UserHandle.USER_SYSTEM); 3114 3115 final int N = resolvers.size(); 3116 if (N == 0) { 3117 if (DEBUG_EPHEMERAL) { 3118 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3119 } 3120 return null; 3121 } 3122 3123 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3124 for (int i = 0; i < N; i++) { 3125 final ResolveInfo info = resolvers.get(i); 3126 3127 if (info.serviceInfo == null) { 3128 continue; 3129 } 3130 3131 final String packageName = info.serviceInfo.packageName; 3132 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3133 if (DEBUG_EPHEMERAL) { 3134 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3135 + " pkg: " + packageName + ", info:" + info); 3136 } 3137 continue; 3138 } 3139 3140 if (DEBUG_EPHEMERAL) { 3141 Slog.v(TAG, "Ephemeral resolver found;" 3142 + " pkg: " + packageName + ", info:" + info); 3143 } 3144 return new ComponentName(packageName, info.serviceInfo.name); 3145 } 3146 if (DEBUG_EPHEMERAL) { 3147 Slog.v(TAG, "Ephemeral resolver NOT found"); 3148 } 3149 return null; 3150 } 3151 3152 private @Nullable ComponentName getEphemeralInstallerLPr() { 3153 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3154 intent.addCategory(Intent.CATEGORY_DEFAULT); 3155 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3156 3157 final int resolveFlags = 3158 MATCH_DIRECT_BOOT_AWARE 3159 | MATCH_DIRECT_BOOT_UNAWARE 3160 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3161 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3162 resolveFlags, UserHandle.USER_SYSTEM); 3163 Iterator<ResolveInfo> iter = matches.iterator(); 3164 while (iter.hasNext()) { 3165 final ResolveInfo rInfo = iter.next(); 3166 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3167 if (ps != null) { 3168 final PermissionsState permissionsState = ps.getPermissionsState(); 3169 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3170 continue; 3171 } 3172 } 3173 iter.remove(); 3174 } 3175 if (matches.size() == 0) { 3176 return null; 3177 } else if (matches.size() == 1) { 3178 return matches.get(0).getComponentInfo().getComponentName(); 3179 } else { 3180 throw new RuntimeException( 3181 "There must be at most one ephemeral installer; found " + matches); 3182 } 3183 } 3184 3185 private void primeDomainVerificationsLPw(int userId) { 3186 if (DEBUG_DOMAIN_VERIFICATION) { 3187 Slog.d(TAG, "Priming domain verifications in user " + userId); 3188 } 3189 3190 SystemConfig systemConfig = SystemConfig.getInstance(); 3191 ArraySet<String> packages = systemConfig.getLinkedApps(); 3192 3193 for (String packageName : packages) { 3194 PackageParser.Package pkg = mPackages.get(packageName); 3195 if (pkg != null) { 3196 if (!pkg.isSystemApp()) { 3197 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3198 continue; 3199 } 3200 3201 ArraySet<String> domains = null; 3202 for (PackageParser.Activity a : pkg.activities) { 3203 for (ActivityIntentInfo filter : a.intents) { 3204 if (hasValidDomains(filter)) { 3205 if (domains == null) { 3206 domains = new ArraySet<String>(); 3207 } 3208 domains.addAll(filter.getHostsList()); 3209 } 3210 } 3211 } 3212 3213 if (domains != null && domains.size() > 0) { 3214 if (DEBUG_DOMAIN_VERIFICATION) { 3215 Slog.v(TAG, " + " + packageName); 3216 } 3217 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3218 // state w.r.t. the formal app-linkage "no verification attempted" state; 3219 // and then 'always' in the per-user state actually used for intent resolution. 3220 final IntentFilterVerificationInfo ivi; 3221 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3222 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3223 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3224 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3225 } else { 3226 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3227 + "' does not handle web links"); 3228 } 3229 } else { 3230 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3231 } 3232 } 3233 3234 scheduleWritePackageRestrictionsLocked(userId); 3235 scheduleWriteSettingsLocked(); 3236 } 3237 3238 private void applyFactoryDefaultBrowserLPw(int userId) { 3239 // The default browser app's package name is stored in a string resource, 3240 // with a product-specific overlay used for vendor customization. 3241 String browserPkg = mContext.getResources().getString( 3242 com.android.internal.R.string.default_browser); 3243 if (!TextUtils.isEmpty(browserPkg)) { 3244 // non-empty string => required to be a known package 3245 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3246 if (ps == null) { 3247 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3248 browserPkg = null; 3249 } else { 3250 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3251 } 3252 } 3253 3254 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3255 // default. If there's more than one, just leave everything alone. 3256 if (browserPkg == null) { 3257 calculateDefaultBrowserLPw(userId); 3258 } 3259 } 3260 3261 private void calculateDefaultBrowserLPw(int userId) { 3262 List<String> allBrowsers = resolveAllBrowserApps(userId); 3263 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3264 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3265 } 3266 3267 private List<String> resolveAllBrowserApps(int userId) { 3268 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3269 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3270 PackageManager.MATCH_ALL, userId); 3271 3272 final int count = list.size(); 3273 List<String> result = new ArrayList<String>(count); 3274 for (int i=0; i<count; i++) { 3275 ResolveInfo info = list.get(i); 3276 if (info.activityInfo == null 3277 || !info.handleAllWebDataURI 3278 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3279 || result.contains(info.activityInfo.packageName)) { 3280 continue; 3281 } 3282 result.add(info.activityInfo.packageName); 3283 } 3284 3285 return result; 3286 } 3287 3288 private boolean packageIsBrowser(String packageName, int userId) { 3289 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3290 PackageManager.MATCH_ALL, userId); 3291 final int N = list.size(); 3292 for (int i = 0; i < N; i++) { 3293 ResolveInfo info = list.get(i); 3294 if (packageName.equals(info.activityInfo.packageName)) { 3295 return true; 3296 } 3297 } 3298 return false; 3299 } 3300 3301 private void checkDefaultBrowser() { 3302 final int myUserId = UserHandle.myUserId(); 3303 final String packageName = getDefaultBrowserPackageName(myUserId); 3304 if (packageName != null) { 3305 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3306 if (info == null) { 3307 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3308 synchronized (mPackages) { 3309 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3310 } 3311 } 3312 } 3313 } 3314 3315 @Override 3316 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3317 throws RemoteException { 3318 try { 3319 return super.onTransact(code, data, reply, flags); 3320 } catch (RuntimeException e) { 3321 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3322 Slog.wtf(TAG, "Package Manager Crash", e); 3323 } 3324 throw e; 3325 } 3326 } 3327 3328 static int[] appendInts(int[] cur, int[] add) { 3329 if (add == null) return cur; 3330 if (cur == null) return add; 3331 final int N = add.length; 3332 for (int i=0; i<N; i++) { 3333 cur = appendInt(cur, add[i]); 3334 } 3335 return cur; 3336 } 3337 3338 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3339 if (!sUserManager.exists(userId)) return null; 3340 if (ps == null) { 3341 return null; 3342 } 3343 final PackageParser.Package p = ps.pkg; 3344 if (p == null) { 3345 return null; 3346 } 3347 // Filter out ephemeral app metadata: 3348 // * The system/shell/root can see metadata for any app 3349 // * An installed app can see metadata for 1) other installed apps 3350 // and 2) ephemeral apps that have explicitly interacted with it 3351 // * Ephemeral apps can only see their own metadata 3352 // * Holding a signature permission allows seeing instant apps 3353 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 3354 if (callingAppId != Process.SYSTEM_UID 3355 && callingAppId != Process.SHELL_UID 3356 && callingAppId != Process.ROOT_UID 3357 && checkUidPermission(Manifest.permission.ACCESS_INSTANT_APPS, 3358 Binder.getCallingUid()) != PackageManager.PERMISSION_GRANTED) { 3359 final String instantAppPackageName = getInstantAppPackageName(Binder.getCallingUid()); 3360 if (instantAppPackageName != null) { 3361 // ephemeral apps can only get information on themselves 3362 if (!instantAppPackageName.equals(p.packageName)) { 3363 return null; 3364 } 3365 } else { 3366 if (ps.getInstantApp(userId)) { 3367 // only get access to the ephemeral app if we've been granted access 3368 if (!mInstantAppRegistry.isInstantAccessGranted( 3369 userId, callingAppId, ps.appId)) { 3370 return null; 3371 } 3372 } 3373 } 3374 } 3375 3376 final PermissionsState permissionsState = ps.getPermissionsState(); 3377 3378 // Compute GIDs only if requested 3379 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3380 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3381 // Compute granted permissions only if package has requested permissions 3382 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3383 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3384 final PackageUserState state = ps.readUserState(userId); 3385 3386 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3387 && ps.isSystem()) { 3388 flags |= MATCH_ANY_USER; 3389 } 3390 3391 PackageInfo packageInfo = PackageParser.generatePackageInfo(p, gids, flags, 3392 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3393 3394 if (packageInfo == null) { 3395 return null; 3396 } 3397 3398 rebaseEnabledOverlays(packageInfo.applicationInfo, userId); 3399 3400 packageInfo.packageName = packageInfo.applicationInfo.packageName = 3401 resolveExternalPackageNameLPr(p); 3402 3403 return packageInfo; 3404 } 3405 3406 @Override 3407 public void checkPackageStartable(String packageName, int userId) { 3408 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3409 3410 synchronized (mPackages) { 3411 final PackageSetting ps = mSettings.mPackages.get(packageName); 3412 if (ps == null) { 3413 throw new SecurityException("Package " + packageName + " was not found!"); 3414 } 3415 3416 if (!ps.getInstalled(userId)) { 3417 throw new SecurityException( 3418 "Package " + packageName + " was not installed for user " + userId + "!"); 3419 } 3420 3421 if (mSafeMode && !ps.isSystem()) { 3422 throw new SecurityException("Package " + packageName + " not a system app!"); 3423 } 3424 3425 if (mFrozenPackages.contains(packageName)) { 3426 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3427 } 3428 3429 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3430 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3431 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3432 } 3433 } 3434 } 3435 3436 @Override 3437 public boolean isPackageAvailable(String packageName, int userId) { 3438 if (!sUserManager.exists(userId)) return false; 3439 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3440 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3441 synchronized (mPackages) { 3442 PackageParser.Package p = mPackages.get(packageName); 3443 if (p != null) { 3444 final PackageSetting ps = (PackageSetting) p.mExtras; 3445 if (ps != null) { 3446 final PackageUserState state = ps.readUserState(userId); 3447 if (state != null) { 3448 return PackageParser.isAvailable(state); 3449 } 3450 } 3451 } 3452 } 3453 return false; 3454 } 3455 3456 @Override 3457 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3458 return getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 3459 flags, userId); 3460 } 3461 3462 @Override 3463 public PackageInfo getPackageInfoVersioned(VersionedPackage versionedPackage, 3464 int flags, int userId) { 3465 return getPackageInfoInternal(versionedPackage.getPackageName(), 3466 // TODO: We will change version code to long, so in the new API it is long 3467 (int) versionedPackage.getVersionCode(), flags, userId); 3468 } 3469 3470 private PackageInfo getPackageInfoInternal(String packageName, int versionCode, 3471 int flags, int userId) { 3472 if (!sUserManager.exists(userId)) return null; 3473 flags = updateFlagsForPackage(flags, userId, packageName); 3474 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3475 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3476 3477 // reader 3478 synchronized (mPackages) { 3479 // Normalize package name to handle renamed packages and static libs 3480 packageName = resolveInternalPackageNameLPr(packageName, versionCode); 3481 3482 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3483 if (matchFactoryOnly) { 3484 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3485 if (ps != null) { 3486 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3487 return null; 3488 } 3489 return generatePackageInfo(ps, flags, userId); 3490 } 3491 } 3492 3493 PackageParser.Package p = mPackages.get(packageName); 3494 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3495 return null; 3496 } 3497 if (DEBUG_PACKAGE_INFO) 3498 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3499 if (p != null) { 3500 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 3501 Binder.getCallingUid(), userId)) { 3502 return null; 3503 } 3504 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3505 } 3506 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3507 final PackageSetting ps = mSettings.mPackages.get(packageName); 3508 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3509 return null; 3510 } 3511 return generatePackageInfo(ps, flags, userId); 3512 } 3513 } 3514 return null; 3515 } 3516 3517 3518 private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId) { 3519 // System/shell/root get to see all static libs 3520 final int appId = UserHandle.getAppId(uid); 3521 if (appId == Process.SYSTEM_UID || appId == Process.SHELL_UID 3522 || appId == Process.ROOT_UID) { 3523 return false; 3524 } 3525 3526 // No package means no static lib as it is always on internal storage 3527 if (ps == null || ps.pkg == null || !ps.pkg.applicationInfo.isStaticSharedLibrary()) { 3528 return false; 3529 } 3530 3531 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(ps.pkg.staticSharedLibName, 3532 ps.pkg.staticSharedLibVersion); 3533 if (libEntry == null) { 3534 return false; 3535 } 3536 3537 final int resolvedUid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); 3538 final String[] uidPackageNames = getPackagesForUid(resolvedUid); 3539 if (uidPackageNames == null) { 3540 return true; 3541 } 3542 3543 for (String uidPackageName : uidPackageNames) { 3544 if (ps.name.equals(uidPackageName)) { 3545 return false; 3546 } 3547 PackageSetting uidPs = mSettings.getPackageLPr(uidPackageName); 3548 if (uidPs != null) { 3549 final int index = ArrayUtils.indexOf(uidPs.usesStaticLibraries, 3550 libEntry.info.getName()); 3551 if (index < 0) { 3552 continue; 3553 } 3554 if (uidPs.pkg.usesStaticLibrariesVersions[index] == libEntry.info.getVersion()) { 3555 return false; 3556 } 3557 } 3558 } 3559 return true; 3560 } 3561 3562 @Override 3563 public String[] currentToCanonicalPackageNames(String[] names) { 3564 String[] out = new String[names.length]; 3565 // reader 3566 synchronized (mPackages) { 3567 for (int i=names.length-1; i>=0; i--) { 3568 PackageSetting ps = mSettings.mPackages.get(names[i]); 3569 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3570 } 3571 } 3572 return out; 3573 } 3574 3575 @Override 3576 public String[] canonicalToCurrentPackageNames(String[] names) { 3577 String[] out = new String[names.length]; 3578 // reader 3579 synchronized (mPackages) { 3580 for (int i=names.length-1; i>=0; i--) { 3581 String cur = mSettings.getRenamedPackageLPr(names[i]); 3582 out[i] = cur != null ? cur : names[i]; 3583 } 3584 } 3585 return out; 3586 } 3587 3588 @Override 3589 public int getPackageUid(String packageName, int flags, int userId) { 3590 if (!sUserManager.exists(userId)) return -1; 3591 flags = updateFlagsForPackage(flags, userId, packageName); 3592 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3593 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3594 3595 // reader 3596 synchronized (mPackages) { 3597 final PackageParser.Package p = mPackages.get(packageName); 3598 if (p != null && p.isMatch(flags)) { 3599 return UserHandle.getUid(userId, p.applicationInfo.uid); 3600 } 3601 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3602 final PackageSetting ps = mSettings.mPackages.get(packageName); 3603 if (ps != null && ps.isMatch(flags)) { 3604 return UserHandle.getUid(userId, ps.appId); 3605 } 3606 } 3607 } 3608 3609 return -1; 3610 } 3611 3612 @Override 3613 public int[] getPackageGids(String packageName, int flags, int userId) { 3614 if (!sUserManager.exists(userId)) return null; 3615 flags = updateFlagsForPackage(flags, userId, packageName); 3616 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3617 false /* requireFullPermission */, false /* checkShell */, 3618 "getPackageGids"); 3619 3620 // reader 3621 synchronized (mPackages) { 3622 final PackageParser.Package p = mPackages.get(packageName); 3623 if (p != null && p.isMatch(flags)) { 3624 PackageSetting ps = (PackageSetting) p.mExtras; 3625 // TODO: Shouldn't this be checking for package installed state for userId and 3626 // return null? 3627 return ps.getPermissionsState().computeGids(userId); 3628 } 3629 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3630 final PackageSetting ps = mSettings.mPackages.get(packageName); 3631 if (ps != null && ps.isMatch(flags)) { 3632 return ps.getPermissionsState().computeGids(userId); 3633 } 3634 } 3635 } 3636 3637 return null; 3638 } 3639 3640 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3641 if (bp.perm != null) { 3642 return PackageParser.generatePermissionInfo(bp.perm, flags); 3643 } 3644 PermissionInfo pi = new PermissionInfo(); 3645 pi.name = bp.name; 3646 pi.packageName = bp.sourcePackage; 3647 pi.nonLocalizedLabel = bp.name; 3648 pi.protectionLevel = bp.protectionLevel; 3649 return pi; 3650 } 3651 3652 @Override 3653 public PermissionInfo getPermissionInfo(String name, int flags) { 3654 // reader 3655 synchronized (mPackages) { 3656 final BasePermission p = mSettings.mPermissions.get(name); 3657 if (p != null) { 3658 return generatePermissionInfo(p, flags); 3659 } 3660 return null; 3661 } 3662 } 3663 3664 @Override 3665 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3666 int flags) { 3667 // reader 3668 synchronized (mPackages) { 3669 if (group != null && !mPermissionGroups.containsKey(group)) { 3670 // This is thrown as NameNotFoundException 3671 return null; 3672 } 3673 3674 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3675 for (BasePermission p : mSettings.mPermissions.values()) { 3676 if (group == null) { 3677 if (p.perm == null || p.perm.info.group == null) { 3678 out.add(generatePermissionInfo(p, flags)); 3679 } 3680 } else { 3681 if (p.perm != null && group.equals(p.perm.info.group)) { 3682 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3683 } 3684 } 3685 } 3686 return new ParceledListSlice<>(out); 3687 } 3688 } 3689 3690 @Override 3691 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3692 // reader 3693 synchronized (mPackages) { 3694 return PackageParser.generatePermissionGroupInfo( 3695 mPermissionGroups.get(name), flags); 3696 } 3697 } 3698 3699 @Override 3700 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3701 // reader 3702 synchronized (mPackages) { 3703 final int N = mPermissionGroups.size(); 3704 ArrayList<PermissionGroupInfo> out 3705 = new ArrayList<PermissionGroupInfo>(N); 3706 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3707 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3708 } 3709 return new ParceledListSlice<>(out); 3710 } 3711 } 3712 3713 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3714 int uid, int userId) { 3715 if (!sUserManager.exists(userId)) return null; 3716 PackageSetting ps = mSettings.mPackages.get(packageName); 3717 if (ps != null) { 3718 if (filterSharedLibPackageLPr(ps, uid, userId)) { 3719 return null; 3720 } 3721 if (ps.pkg == null) { 3722 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3723 if (pInfo != null) { 3724 return pInfo.applicationInfo; 3725 } 3726 return null; 3727 } 3728 ApplicationInfo ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3729 ps.readUserState(userId), userId); 3730 if (ai != null) { 3731 rebaseEnabledOverlays(ai, userId); 3732 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 3733 } 3734 return ai; 3735 } 3736 return null; 3737 } 3738 3739 @Override 3740 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3741 if (!sUserManager.exists(userId)) return null; 3742 flags = updateFlagsForApplication(flags, userId, packageName); 3743 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3744 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3745 3746 // writer 3747 synchronized (mPackages) { 3748 // Normalize package name to handle renamed packages and static libs 3749 packageName = resolveInternalPackageNameLPr(packageName, 3750 PackageManager.VERSION_CODE_HIGHEST); 3751 3752 PackageParser.Package p = mPackages.get(packageName); 3753 if (DEBUG_PACKAGE_INFO) Log.v( 3754 TAG, "getApplicationInfo " + packageName 3755 + ": " + p); 3756 if (p != null) { 3757 PackageSetting ps = mSettings.mPackages.get(packageName); 3758 if (ps == null) return null; 3759 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3760 return null; 3761 } 3762 // Note: isEnabledLP() does not apply here - always return info 3763 ApplicationInfo ai = PackageParser.generateApplicationInfo( 3764 p, flags, ps.readUserState(userId), userId); 3765 if (ai != null) { 3766 rebaseEnabledOverlays(ai, userId); 3767 ai.packageName = resolveExternalPackageNameLPr(p); 3768 } 3769 return ai; 3770 } 3771 if ("android".equals(packageName)||"system".equals(packageName)) { 3772 return mAndroidApplication; 3773 } 3774 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3775 // Already generates the external package name 3776 return generateApplicationInfoFromSettingsLPw(packageName, 3777 Binder.getCallingUid(), flags, userId); 3778 } 3779 } 3780 return null; 3781 } 3782 3783 private void rebaseEnabledOverlays(@NonNull ApplicationInfo ai, int userId) { 3784 List<String> paths = new ArrayList<>(); 3785 ArrayMap<String, ArrayList<String>> userSpecificOverlays = 3786 mEnabledOverlayPaths.get(userId); 3787 if (userSpecificOverlays != null) { 3788 if (!"android".equals(ai.packageName)) { 3789 ArrayList<String> frameworkOverlays = userSpecificOverlays.get("android"); 3790 if (frameworkOverlays != null) { 3791 paths.addAll(frameworkOverlays); 3792 } 3793 } 3794 3795 ArrayList<String> appOverlays = userSpecificOverlays.get(ai.packageName); 3796 if (appOverlays != null) { 3797 paths.addAll(appOverlays); 3798 } 3799 } 3800 ai.resourceDirs = paths.size() > 0 ? paths.toArray(new String[paths.size()]) : null; 3801 } 3802 3803 private String normalizePackageNameLPr(String packageName) { 3804 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 3805 return normalizedPackageName != null ? normalizedPackageName : packageName; 3806 } 3807 3808 @Override 3809 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3810 final IPackageDataObserver observer) { 3811 mContext.enforceCallingOrSelfPermission( 3812 android.Manifest.permission.CLEAR_APP_CACHE, null); 3813 mHandler.post(() -> { 3814 boolean success = false; 3815 try { 3816 freeStorage(volumeUuid, freeStorageSize, 0); 3817 success = true; 3818 } catch (IOException e) { 3819 Slog.w(TAG, e); 3820 } 3821 if (observer != null) { 3822 try { 3823 observer.onRemoveCompleted(null, success); 3824 } catch (RemoteException e) { 3825 Slog.w(TAG, e); 3826 } 3827 } 3828 }); 3829 } 3830 3831 @Override 3832 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3833 final IntentSender pi) { 3834 mContext.enforceCallingOrSelfPermission( 3835 android.Manifest.permission.CLEAR_APP_CACHE, TAG); 3836 mHandler.post(() -> { 3837 boolean success = false; 3838 try { 3839 freeStorage(volumeUuid, freeStorageSize, 0); 3840 success = true; 3841 } catch (IOException e) { 3842 Slog.w(TAG, e); 3843 } 3844 if (pi != null) { 3845 try { 3846 pi.sendIntent(null, success ? 1 : 0, null, null, null); 3847 } catch (SendIntentException e) { 3848 Slog.w(TAG, e); 3849 } 3850 } 3851 }); 3852 } 3853 3854 /** 3855 * Blocking call to clear various types of cached data across the system 3856 * until the requested bytes are available. 3857 */ 3858 public void freeStorage(String volumeUuid, long bytes, int storageFlags) throws IOException { 3859 final StorageManager storage = mContext.getSystemService(StorageManager.class); 3860 final File file = storage.findPathForUuid(volumeUuid); 3861 3862 if (ENABLE_FREE_CACHE_V2) { 3863 final boolean aggressive = (storageFlags 3864 & StorageManager.FLAG_ALLOCATE_AGGRESSIVE) != 0; 3865 3866 // 1. Pre-flight to determine if we have any chance to succeed 3867 // 2. Consider preloaded data (after 1w honeymoon, unless aggressive) 3868 3869 // 3. Consider parsed APK data (aggressive only) 3870 if (aggressive) { 3871 FileUtils.deleteContents(mCacheDir); 3872 } 3873 if (file.getUsableSpace() >= bytes) return; 3874 3875 // 4. Consider cached app data (above quotas) 3876 try { 3877 mInstaller.freeCache(volumeUuid, bytes, Installer.FLAG_FREE_CACHE_V2); 3878 } catch (InstallerException ignored) { 3879 } 3880 if (file.getUsableSpace() >= bytes) return; 3881 3882 // 5. Consider shared libraries with refcount=0 and age>2h 3883 // 6. Consider dexopt output (aggressive only) 3884 // 7. Consider ephemeral apps not used in last week 3885 3886 // 8. Consider cached app data (below quotas) 3887 try { 3888 mInstaller.freeCache(volumeUuid, bytes, Installer.FLAG_FREE_CACHE_V2 3889 | Installer.FLAG_FREE_CACHE_V2_DEFY_QUOTA); 3890 } catch (InstallerException ignored) { 3891 } 3892 if (file.getUsableSpace() >= bytes) return; 3893 3894 // 9. Consider DropBox entries 3895 // 10. Consider ephemeral cookies 3896 3897 } else { 3898 try { 3899 mInstaller.freeCache(volumeUuid, bytes, 0); 3900 } catch (InstallerException ignored) { 3901 } 3902 if (file.getUsableSpace() >= bytes) return; 3903 } 3904 3905 throw new IOException("Failed to free " + bytes + " on storage device at " + file); 3906 } 3907 3908 /** 3909 * Update given flags based on encryption status of current user. 3910 */ 3911 private int updateFlags(int flags, int userId) { 3912 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3913 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3914 // Caller expressed an explicit opinion about what encryption 3915 // aware/unaware components they want to see, so fall through and 3916 // give them what they want 3917 } else { 3918 // Caller expressed no opinion, so match based on user state 3919 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3920 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3921 } else { 3922 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3923 } 3924 } 3925 return flags; 3926 } 3927 3928 private UserManagerInternal getUserManagerInternal() { 3929 if (mUserManagerInternal == null) { 3930 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3931 } 3932 return mUserManagerInternal; 3933 } 3934 3935 private DeviceIdleController.LocalService getDeviceIdleController() { 3936 if (mDeviceIdleController == null) { 3937 mDeviceIdleController = 3938 LocalServices.getService(DeviceIdleController.LocalService.class); 3939 } 3940 return mDeviceIdleController; 3941 } 3942 3943 /** 3944 * Update given flags when being used to request {@link PackageInfo}. 3945 */ 3946 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3947 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 3948 boolean triaged = true; 3949 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3950 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3951 // Caller is asking for component details, so they'd better be 3952 // asking for specific encryption matching behavior, or be triaged 3953 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3954 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3955 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3956 triaged = false; 3957 } 3958 } 3959 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3960 | PackageManager.MATCH_SYSTEM_ONLY 3961 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3962 triaged = false; 3963 } 3964 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 3965 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 3966 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 3967 + Debug.getCallers(5)); 3968 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 3969 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 3970 // If the caller wants all packages and has a restricted profile associated with it, 3971 // then match all users. This is to make sure that launchers that need to access work 3972 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 3973 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 3974 flags |= PackageManager.MATCH_ANY_USER; 3975 } 3976 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3977 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3978 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3979 } 3980 return updateFlags(flags, userId); 3981 } 3982 3983 /** 3984 * Update given flags when being used to request {@link ApplicationInfo}. 3985 */ 3986 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3987 return updateFlagsForPackage(flags, userId, cookie); 3988 } 3989 3990 /** 3991 * Update given flags when being used to request {@link ComponentInfo}. 3992 */ 3993 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3994 if (cookie instanceof Intent) { 3995 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3996 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3997 } 3998 } 3999 4000 boolean triaged = true; 4001 // Caller is asking for component details, so they'd better be 4002 // asking for specific encryption matching behavior, or be triaged 4003 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4004 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4005 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4006 triaged = false; 4007 } 4008 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4009 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4010 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4011 } 4012 4013 return updateFlags(flags, userId); 4014 } 4015 4016 /** 4017 * Update given intent when being used to request {@link ResolveInfo}. 4018 */ 4019 private Intent updateIntentForResolve(Intent intent) { 4020 if (intent.getSelector() != null) { 4021 intent = intent.getSelector(); 4022 } 4023 if (DEBUG_PREFERRED) { 4024 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4025 } 4026 return intent; 4027 } 4028 4029 /** 4030 * Update given flags when being used to request {@link ResolveInfo}. 4031 * <p>Instant apps are resolved specially, depending upon context. Minimally, 4032 * {@code}flags{@code} must have the {@link PackageManager#MATCH_INSTANT} 4033 * flag set. However, this flag is only honoured in three circumstances: 4034 * <ul> 4035 * <li>when called from a system process</li> 4036 * <li>when the caller holds the permission {@code android.permission.ACCESS_INSTANT_APPS}</li> 4037 * <li>when resolution occurs to start an activity with a {@code android.intent.action.VIEW} 4038 * action and a {@code android.intent.category.BROWSABLE} category</li> 4039 * </ul> 4040 */ 4041 int updateFlagsForResolve(int flags, int userId, Intent intent, boolean includeInstantApp) { 4042 // Safe mode means we shouldn't match any third-party components 4043 if (mSafeMode) { 4044 flags |= PackageManager.MATCH_SYSTEM_ONLY; 4045 } 4046 final int callingUid = Binder.getCallingUid(); 4047 if (getInstantAppPackageName(callingUid) != null) { 4048 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 4049 flags |= PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4050 flags |= PackageManager.MATCH_INSTANT; 4051 } else { 4052 // Otherwise, prevent leaking ephemeral components 4053 final boolean isSpecialProcess = 4054 callingUid == Process.SYSTEM_UID 4055 || callingUid == Process.SHELL_UID 4056 || callingUid == 0; 4057 final boolean allowMatchInstant = 4058 (includeInstantApp 4059 && Intent.ACTION_VIEW.equals(intent.getAction()) 4060 && intent.hasCategory(Intent.CATEGORY_BROWSABLE) 4061 && hasWebURI(intent)) 4062 || isSpecialProcess 4063 || mContext.checkCallingOrSelfPermission( 4064 android.Manifest.permission.ACCESS_INSTANT_APPS) == PERMISSION_GRANTED; 4065 flags &= ~PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4066 if (!allowMatchInstant) { 4067 flags &= ~PackageManager.MATCH_INSTANT; 4068 } 4069 } 4070 return updateFlagsForComponent(flags, userId, intent /*cookie*/); 4071 } 4072 4073 @Override 4074 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 4075 if (!sUserManager.exists(userId)) return null; 4076 flags = updateFlagsForComponent(flags, userId, component); 4077 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4078 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 4079 synchronized (mPackages) { 4080 PackageParser.Activity a = mActivities.mActivities.get(component); 4081 4082 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 4083 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4084 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4085 if (ps == null) return null; 4086 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 4087 userId); 4088 } 4089 if (mResolveComponentName.equals(component)) { 4090 return PackageParser.generateActivityInfo(mResolveActivity, flags, 4091 new PackageUserState(), userId); 4092 } 4093 } 4094 return null; 4095 } 4096 4097 @Override 4098 public boolean activitySupportsIntent(ComponentName component, Intent intent, 4099 String resolvedType) { 4100 synchronized (mPackages) { 4101 if (component.equals(mResolveComponentName)) { 4102 // The resolver supports EVERYTHING! 4103 return true; 4104 } 4105 PackageParser.Activity a = mActivities.mActivities.get(component); 4106 if (a == null) { 4107 return false; 4108 } 4109 for (int i=0; i<a.intents.size(); i++) { 4110 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 4111 intent.getData(), intent.getCategories(), TAG) >= 0) { 4112 return true; 4113 } 4114 } 4115 return false; 4116 } 4117 } 4118 4119 @Override 4120 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 4121 if (!sUserManager.exists(userId)) return null; 4122 flags = updateFlagsForComponent(flags, userId, component); 4123 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4124 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 4125 synchronized (mPackages) { 4126 PackageParser.Activity a = mReceivers.mActivities.get(component); 4127 if (DEBUG_PACKAGE_INFO) Log.v( 4128 TAG, "getReceiverInfo " + component + ": " + a); 4129 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4130 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4131 if (ps == null) return null; 4132 ActivityInfo ri = PackageParser.generateActivityInfo(a, flags, 4133 ps.readUserState(userId), userId); 4134 if (ri != null) { 4135 rebaseEnabledOverlays(ri.applicationInfo, userId); 4136 } 4137 return ri; 4138 } 4139 } 4140 return null; 4141 } 4142 4143 @Override 4144 public ParceledListSlice<SharedLibraryInfo> getSharedLibraries(int flags, int userId) { 4145 if (!sUserManager.exists(userId)) return null; 4146 Preconditions.checkArgumentNonnegative(userId, "userId must be >= 0"); 4147 4148 flags = updateFlagsForPackage(flags, userId, null); 4149 4150 final boolean canSeeStaticLibraries = 4151 mContext.checkCallingOrSelfPermission(INSTALL_PACKAGES) 4152 == PERMISSION_GRANTED 4153 || mContext.checkCallingOrSelfPermission(DELETE_PACKAGES) 4154 == PERMISSION_GRANTED 4155 || mContext.checkCallingOrSelfPermission(REQUEST_INSTALL_PACKAGES) 4156 == PERMISSION_GRANTED 4157 || mContext.checkCallingOrSelfPermission(REQUEST_DELETE_PACKAGES) 4158 == PERMISSION_GRANTED; 4159 4160 synchronized (mPackages) { 4161 List<SharedLibraryInfo> result = null; 4162 4163 final int libCount = mSharedLibraries.size(); 4164 for (int i = 0; i < libCount; i++) { 4165 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4166 if (versionedLib == null) { 4167 continue; 4168 } 4169 4170 final int versionCount = versionedLib.size(); 4171 for (int j = 0; j < versionCount; j++) { 4172 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4173 if (!canSeeStaticLibraries && libInfo.isStatic()) { 4174 break; 4175 } 4176 final long identity = Binder.clearCallingIdentity(); 4177 try { 4178 // TODO: We will change version code to long, so in the new API it is long 4179 PackageInfo packageInfo = getPackageInfoVersioned( 4180 libInfo.getDeclaringPackage(), flags, userId); 4181 if (packageInfo == null) { 4182 continue; 4183 } 4184 } finally { 4185 Binder.restoreCallingIdentity(identity); 4186 } 4187 4188 SharedLibraryInfo resLibInfo = new SharedLibraryInfo(libInfo.getName(), 4189 libInfo.getVersion(), libInfo.getType(), libInfo.getDeclaringPackage(), 4190 getPackagesUsingSharedLibraryLPr(libInfo, flags, userId)); 4191 4192 if (result == null) { 4193 result = new ArrayList<>(); 4194 } 4195 result.add(resLibInfo); 4196 } 4197 } 4198 4199 return result != null ? new ParceledListSlice<>(result) : null; 4200 } 4201 } 4202 4203 private List<VersionedPackage> getPackagesUsingSharedLibraryLPr( 4204 SharedLibraryInfo libInfo, int flags, int userId) { 4205 List<VersionedPackage> versionedPackages = null; 4206 final int packageCount = mSettings.mPackages.size(); 4207 for (int i = 0; i < packageCount; i++) { 4208 PackageSetting ps = mSettings.mPackages.valueAt(i); 4209 4210 if (ps == null) { 4211 continue; 4212 } 4213 4214 if (!ps.getUserState().get(userId).isAvailable(flags)) { 4215 continue; 4216 } 4217 4218 final String libName = libInfo.getName(); 4219 if (libInfo.isStatic()) { 4220 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 4221 if (libIdx < 0) { 4222 continue; 4223 } 4224 if (ps.usesStaticLibrariesVersions[libIdx] != libInfo.getVersion()) { 4225 continue; 4226 } 4227 if (versionedPackages == null) { 4228 versionedPackages = new ArrayList<>(); 4229 } 4230 // If the dependent is a static shared lib, use the public package name 4231 String dependentPackageName = ps.name; 4232 if (ps.pkg != null && ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4233 dependentPackageName = ps.pkg.manifestPackageName; 4234 } 4235 versionedPackages.add(new VersionedPackage(dependentPackageName, ps.versionCode)); 4236 } else if (ps.pkg != null) { 4237 if (ArrayUtils.contains(ps.pkg.usesLibraries, libName) 4238 || ArrayUtils.contains(ps.pkg.usesOptionalLibraries, libName)) { 4239 if (versionedPackages == null) { 4240 versionedPackages = new ArrayList<>(); 4241 } 4242 versionedPackages.add(new VersionedPackage(ps.name, ps.versionCode)); 4243 } 4244 } 4245 } 4246 4247 return versionedPackages; 4248 } 4249 4250 @Override 4251 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 4252 if (!sUserManager.exists(userId)) return null; 4253 flags = updateFlagsForComponent(flags, userId, component); 4254 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4255 false /* requireFullPermission */, false /* checkShell */, "get service info"); 4256 synchronized (mPackages) { 4257 PackageParser.Service s = mServices.mServices.get(component); 4258 if (DEBUG_PACKAGE_INFO) Log.v( 4259 TAG, "getServiceInfo " + component + ": " + s); 4260 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 4261 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4262 if (ps == null) return null; 4263 ServiceInfo si = PackageParser.generateServiceInfo(s, flags, 4264 ps.readUserState(userId), userId); 4265 if (si != null) { 4266 rebaseEnabledOverlays(si.applicationInfo, userId); 4267 } 4268 return si; 4269 } 4270 } 4271 return null; 4272 } 4273 4274 @Override 4275 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 4276 if (!sUserManager.exists(userId)) return null; 4277 flags = updateFlagsForComponent(flags, userId, component); 4278 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4279 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 4280 synchronized (mPackages) { 4281 PackageParser.Provider p = mProviders.mProviders.get(component); 4282 if (DEBUG_PACKAGE_INFO) Log.v( 4283 TAG, "getProviderInfo " + component + ": " + p); 4284 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 4285 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4286 if (ps == null) return null; 4287 ProviderInfo pi = PackageParser.generateProviderInfo(p, flags, 4288 ps.readUserState(userId), userId); 4289 if (pi != null) { 4290 rebaseEnabledOverlays(pi.applicationInfo, userId); 4291 } 4292 return pi; 4293 } 4294 } 4295 return null; 4296 } 4297 4298 @Override 4299 public String[] getSystemSharedLibraryNames() { 4300 synchronized (mPackages) { 4301 Set<String> libs = null; 4302 final int libCount = mSharedLibraries.size(); 4303 for (int i = 0; i < libCount; i++) { 4304 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4305 if (versionedLib == null) { 4306 continue; 4307 } 4308 final int versionCount = versionedLib.size(); 4309 for (int j = 0; j < versionCount; j++) { 4310 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 4311 if (!libEntry.info.isStatic()) { 4312 if (libs == null) { 4313 libs = new ArraySet<>(); 4314 } 4315 libs.add(libEntry.info.getName()); 4316 break; 4317 } 4318 PackageSetting ps = mSettings.getPackageLPr(libEntry.apk); 4319 if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(), 4320 UserHandle.getUserId(Binder.getCallingUid()))) { 4321 if (libs == null) { 4322 libs = new ArraySet<>(); 4323 } 4324 libs.add(libEntry.info.getName()); 4325 break; 4326 } 4327 } 4328 } 4329 4330 if (libs != null) { 4331 String[] libsArray = new String[libs.size()]; 4332 libs.toArray(libsArray); 4333 return libsArray; 4334 } 4335 4336 return null; 4337 } 4338 } 4339 4340 @Override 4341 public @NonNull String getServicesSystemSharedLibraryPackageName() { 4342 synchronized (mPackages) { 4343 return mServicesSystemSharedLibraryPackageName; 4344 } 4345 } 4346 4347 @Override 4348 public @NonNull String getSharedSystemSharedLibraryPackageName() { 4349 synchronized (mPackages) { 4350 return mSharedSystemSharedLibraryPackageName; 4351 } 4352 } 4353 4354 private void updateSequenceNumberLP(String packageName, int[] userList) { 4355 for (int i = userList.length - 1; i >= 0; --i) { 4356 final int userId = userList[i]; 4357 SparseArray<String> changedPackages = mChangedPackages.get(userId); 4358 if (changedPackages == null) { 4359 changedPackages = new SparseArray<>(); 4360 mChangedPackages.put(userId, changedPackages); 4361 } 4362 Map<String, Integer> sequenceNumbers = mChangedPackagesSequenceNumbers.get(userId); 4363 if (sequenceNumbers == null) { 4364 sequenceNumbers = new HashMap<>(); 4365 mChangedPackagesSequenceNumbers.put(userId, sequenceNumbers); 4366 } 4367 final Integer sequenceNumber = sequenceNumbers.get(packageName); 4368 if (sequenceNumber != null) { 4369 changedPackages.remove(sequenceNumber); 4370 } 4371 changedPackages.put(mChangedPackagesSequenceNumber, packageName); 4372 sequenceNumbers.put(packageName, mChangedPackagesSequenceNumber); 4373 } 4374 mChangedPackagesSequenceNumber++; 4375 } 4376 4377 @Override 4378 public ChangedPackages getChangedPackages(int sequenceNumber, int userId) { 4379 synchronized (mPackages) { 4380 if (sequenceNumber >= mChangedPackagesSequenceNumber) { 4381 return null; 4382 } 4383 final SparseArray<String> changedPackages = mChangedPackages.get(userId); 4384 if (changedPackages == null) { 4385 return null; 4386 } 4387 final List<String> packageNames = 4388 new ArrayList<>(mChangedPackagesSequenceNumber - sequenceNumber); 4389 for (int i = sequenceNumber; i < mChangedPackagesSequenceNumber; i++) { 4390 final String packageName = changedPackages.get(i); 4391 if (packageName != null) { 4392 packageNames.add(packageName); 4393 } 4394 } 4395 return packageNames.isEmpty() 4396 ? null : new ChangedPackages(mChangedPackagesSequenceNumber, packageNames); 4397 } 4398 } 4399 4400 @Override 4401 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 4402 ArrayList<FeatureInfo> res; 4403 synchronized (mAvailableFeatures) { 4404 res = new ArrayList<>(mAvailableFeatures.size() + 1); 4405 res.addAll(mAvailableFeatures.values()); 4406 } 4407 final FeatureInfo fi = new FeatureInfo(); 4408 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 4409 FeatureInfo.GL_ES_VERSION_UNDEFINED); 4410 res.add(fi); 4411 4412 return new ParceledListSlice<>(res); 4413 } 4414 4415 @Override 4416 public boolean hasSystemFeature(String name, int version) { 4417 synchronized (mAvailableFeatures) { 4418 final FeatureInfo feat = mAvailableFeatures.get(name); 4419 if (feat == null) { 4420 return false; 4421 } else { 4422 return feat.version >= version; 4423 } 4424 } 4425 } 4426 4427 @Override 4428 public int checkPermission(String permName, String pkgName, int userId) { 4429 if (!sUserManager.exists(userId)) { 4430 return PackageManager.PERMISSION_DENIED; 4431 } 4432 4433 synchronized (mPackages) { 4434 final PackageParser.Package p = mPackages.get(pkgName); 4435 if (p != null && p.mExtras != null) { 4436 final PackageSetting ps = (PackageSetting) p.mExtras; 4437 final PermissionsState permissionsState = ps.getPermissionsState(); 4438 if (permissionsState.hasPermission(permName, userId)) { 4439 return PackageManager.PERMISSION_GRANTED; 4440 } 4441 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4442 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4443 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4444 return PackageManager.PERMISSION_GRANTED; 4445 } 4446 } 4447 } 4448 4449 return PackageManager.PERMISSION_DENIED; 4450 } 4451 4452 @Override 4453 public int checkUidPermission(String permName, int uid) { 4454 final int userId = UserHandle.getUserId(uid); 4455 4456 if (!sUserManager.exists(userId)) { 4457 return PackageManager.PERMISSION_DENIED; 4458 } 4459 4460 synchronized (mPackages) { 4461 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4462 if (obj != null) { 4463 final SettingBase ps = (SettingBase) obj; 4464 final PermissionsState permissionsState = ps.getPermissionsState(); 4465 if (permissionsState.hasPermission(permName, userId)) { 4466 return PackageManager.PERMISSION_GRANTED; 4467 } 4468 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4469 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4470 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4471 return PackageManager.PERMISSION_GRANTED; 4472 } 4473 } else { 4474 ArraySet<String> perms = mSystemPermissions.get(uid); 4475 if (perms != null) { 4476 if (perms.contains(permName)) { 4477 return PackageManager.PERMISSION_GRANTED; 4478 } 4479 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 4480 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 4481 return PackageManager.PERMISSION_GRANTED; 4482 } 4483 } 4484 } 4485 } 4486 4487 return PackageManager.PERMISSION_DENIED; 4488 } 4489 4490 @Override 4491 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 4492 if (UserHandle.getCallingUserId() != userId) { 4493 mContext.enforceCallingPermission( 4494 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4495 "isPermissionRevokedByPolicy for user " + userId); 4496 } 4497 4498 if (checkPermission(permission, packageName, userId) 4499 == PackageManager.PERMISSION_GRANTED) { 4500 return false; 4501 } 4502 4503 final long identity = Binder.clearCallingIdentity(); 4504 try { 4505 final int flags = getPermissionFlags(permission, packageName, userId); 4506 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 4507 } finally { 4508 Binder.restoreCallingIdentity(identity); 4509 } 4510 } 4511 4512 @Override 4513 public String getPermissionControllerPackageName() { 4514 synchronized (mPackages) { 4515 return mRequiredInstallerPackage; 4516 } 4517 } 4518 4519 /** 4520 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 4521 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 4522 * @param checkShell whether to prevent shell from access if there's a debugging restriction 4523 * @param message the message to log on security exception 4524 */ 4525 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 4526 boolean checkShell, String message) { 4527 if (userId < 0) { 4528 throw new IllegalArgumentException("Invalid userId " + userId); 4529 } 4530 if (checkShell) { 4531 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 4532 } 4533 if (userId == UserHandle.getUserId(callingUid)) return; 4534 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4535 if (requireFullPermission) { 4536 mContext.enforceCallingOrSelfPermission( 4537 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4538 } else { 4539 try { 4540 mContext.enforceCallingOrSelfPermission( 4541 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4542 } catch (SecurityException se) { 4543 mContext.enforceCallingOrSelfPermission( 4544 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 4545 } 4546 } 4547 } 4548 } 4549 4550 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 4551 if (callingUid == Process.SHELL_UID) { 4552 if (userHandle >= 0 4553 && sUserManager.hasUserRestriction(restriction, userHandle)) { 4554 throw new SecurityException("Shell does not have permission to access user " 4555 + userHandle); 4556 } else if (userHandle < 0) { 4557 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 4558 + Debug.getCallers(3)); 4559 } 4560 } 4561 } 4562 4563 private BasePermission findPermissionTreeLP(String permName) { 4564 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 4565 if (permName.startsWith(bp.name) && 4566 permName.length() > bp.name.length() && 4567 permName.charAt(bp.name.length()) == '.') { 4568 return bp; 4569 } 4570 } 4571 return null; 4572 } 4573 4574 private BasePermission checkPermissionTreeLP(String permName) { 4575 if (permName != null) { 4576 BasePermission bp = findPermissionTreeLP(permName); 4577 if (bp != null) { 4578 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 4579 return bp; 4580 } 4581 throw new SecurityException("Calling uid " 4582 + Binder.getCallingUid() 4583 + " is not allowed to add to permission tree " 4584 + bp.name + " owned by uid " + bp.uid); 4585 } 4586 } 4587 throw new SecurityException("No permission tree found for " + permName); 4588 } 4589 4590 static boolean compareStrings(CharSequence s1, CharSequence s2) { 4591 if (s1 == null) { 4592 return s2 == null; 4593 } 4594 if (s2 == null) { 4595 return false; 4596 } 4597 if (s1.getClass() != s2.getClass()) { 4598 return false; 4599 } 4600 return s1.equals(s2); 4601 } 4602 4603 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 4604 if (pi1.icon != pi2.icon) return false; 4605 if (pi1.logo != pi2.logo) return false; 4606 if (pi1.protectionLevel != pi2.protectionLevel) return false; 4607 if (!compareStrings(pi1.name, pi2.name)) return false; 4608 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 4609 // We'll take care of setting this one. 4610 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 4611 // These are not currently stored in settings. 4612 //if (!compareStrings(pi1.group, pi2.group)) return false; 4613 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 4614 //if (pi1.labelRes != pi2.labelRes) return false; 4615 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 4616 return true; 4617 } 4618 4619 int permissionInfoFootprint(PermissionInfo info) { 4620 int size = info.name.length(); 4621 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4622 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4623 return size; 4624 } 4625 4626 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4627 int size = 0; 4628 for (BasePermission perm : mSettings.mPermissions.values()) { 4629 if (perm.uid == tree.uid) { 4630 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4631 } 4632 } 4633 return size; 4634 } 4635 4636 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4637 // We calculate the max size of permissions defined by this uid and throw 4638 // if that plus the size of 'info' would exceed our stated maximum. 4639 if (tree.uid != Process.SYSTEM_UID) { 4640 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4641 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4642 throw new SecurityException("Permission tree size cap exceeded"); 4643 } 4644 } 4645 } 4646 4647 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4648 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4649 throw new SecurityException("Label must be specified in permission"); 4650 } 4651 BasePermission tree = checkPermissionTreeLP(info.name); 4652 BasePermission bp = mSettings.mPermissions.get(info.name); 4653 boolean added = bp == null; 4654 boolean changed = true; 4655 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4656 if (added) { 4657 enforcePermissionCapLocked(info, tree); 4658 bp = new BasePermission(info.name, tree.sourcePackage, 4659 BasePermission.TYPE_DYNAMIC); 4660 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4661 throw new SecurityException( 4662 "Not allowed to modify non-dynamic permission " 4663 + info.name); 4664 } else { 4665 if (bp.protectionLevel == fixedLevel 4666 && bp.perm.owner.equals(tree.perm.owner) 4667 && bp.uid == tree.uid 4668 && comparePermissionInfos(bp.perm.info, info)) { 4669 changed = false; 4670 } 4671 } 4672 bp.protectionLevel = fixedLevel; 4673 info = new PermissionInfo(info); 4674 info.protectionLevel = fixedLevel; 4675 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4676 bp.perm.info.packageName = tree.perm.info.packageName; 4677 bp.uid = tree.uid; 4678 if (added) { 4679 mSettings.mPermissions.put(info.name, bp); 4680 } 4681 if (changed) { 4682 if (!async) { 4683 mSettings.writeLPr(); 4684 } else { 4685 scheduleWriteSettingsLocked(); 4686 } 4687 } 4688 return added; 4689 } 4690 4691 @Override 4692 public boolean addPermission(PermissionInfo info) { 4693 synchronized (mPackages) { 4694 return addPermissionLocked(info, false); 4695 } 4696 } 4697 4698 @Override 4699 public boolean addPermissionAsync(PermissionInfo info) { 4700 synchronized (mPackages) { 4701 return addPermissionLocked(info, true); 4702 } 4703 } 4704 4705 @Override 4706 public void removePermission(String name) { 4707 synchronized (mPackages) { 4708 checkPermissionTreeLP(name); 4709 BasePermission bp = mSettings.mPermissions.get(name); 4710 if (bp != null) { 4711 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4712 throw new SecurityException( 4713 "Not allowed to modify non-dynamic permission " 4714 + name); 4715 } 4716 mSettings.mPermissions.remove(name); 4717 mSettings.writeLPr(); 4718 } 4719 } 4720 } 4721 4722 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4723 BasePermission bp) { 4724 int index = pkg.requestedPermissions.indexOf(bp.name); 4725 if (index == -1) { 4726 throw new SecurityException("Package " + pkg.packageName 4727 + " has not requested permission " + bp.name); 4728 } 4729 if (!bp.isRuntime() && !bp.isDevelopment()) { 4730 throw new SecurityException("Permission " + bp.name 4731 + " is not a changeable permission type"); 4732 } 4733 } 4734 4735 @Override 4736 public void grantRuntimePermission(String packageName, String name, final int userId) { 4737 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4738 } 4739 4740 private void grantRuntimePermission(String packageName, String name, final int userId, 4741 boolean overridePolicy) { 4742 if (!sUserManager.exists(userId)) { 4743 Log.e(TAG, "No such user:" + userId); 4744 return; 4745 } 4746 4747 mContext.enforceCallingOrSelfPermission( 4748 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4749 "grantRuntimePermission"); 4750 4751 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4752 true /* requireFullPermission */, true /* checkShell */, 4753 "grantRuntimePermission"); 4754 4755 final int uid; 4756 final SettingBase sb; 4757 4758 synchronized (mPackages) { 4759 final PackageParser.Package pkg = mPackages.get(packageName); 4760 if (pkg == null) { 4761 throw new IllegalArgumentException("Unknown package: " + packageName); 4762 } 4763 4764 final BasePermission bp = mSettings.mPermissions.get(name); 4765 if (bp == null) { 4766 throw new IllegalArgumentException("Unknown permission: " + name); 4767 } 4768 4769 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4770 4771 // If a permission review is required for legacy apps we represent 4772 // their permissions as always granted runtime ones since we need 4773 // to keep the review required permission flag per user while an 4774 // install permission's state is shared across all users. 4775 if (mPermissionReviewRequired 4776 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4777 && bp.isRuntime()) { 4778 return; 4779 } 4780 4781 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4782 sb = (SettingBase) pkg.mExtras; 4783 if (sb == null) { 4784 throw new IllegalArgumentException("Unknown package: " + packageName); 4785 } 4786 4787 final PermissionsState permissionsState = sb.getPermissionsState(); 4788 4789 final int flags = permissionsState.getPermissionFlags(name, userId); 4790 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4791 throw new SecurityException("Cannot grant system fixed permission " 4792 + name + " for package " + packageName); 4793 } 4794 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4795 throw new SecurityException("Cannot grant policy fixed permission " 4796 + name + " for package " + packageName); 4797 } 4798 4799 if (bp.isDevelopment()) { 4800 // Development permissions must be handled specially, since they are not 4801 // normal runtime permissions. For now they apply to all users. 4802 if (permissionsState.grantInstallPermission(bp) != 4803 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4804 scheduleWriteSettingsLocked(); 4805 } 4806 return; 4807 } 4808 4809 final PackageSetting ps = mSettings.mPackages.get(packageName); 4810 if (ps.getInstantApp(userId) && !bp.isInstant()) { 4811 throw new SecurityException("Cannot grant non-ephemeral permission" 4812 + name + " for package " + packageName); 4813 } 4814 4815 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4816 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4817 return; 4818 } 4819 4820 final int result = permissionsState.grantRuntimePermission(bp, userId); 4821 switch (result) { 4822 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4823 return; 4824 } 4825 4826 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4827 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4828 mHandler.post(new Runnable() { 4829 @Override 4830 public void run() { 4831 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4832 } 4833 }); 4834 } 4835 break; 4836 } 4837 4838 if (bp.isRuntime()) { 4839 logPermissionGranted(mContext, name, packageName); 4840 } 4841 4842 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4843 4844 // Not critical if that is lost - app has to request again. 4845 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4846 } 4847 4848 // Only need to do this if user is initialized. Otherwise it's a new user 4849 // and there are no processes running as the user yet and there's no need 4850 // to make an expensive call to remount processes for the changed permissions. 4851 if (READ_EXTERNAL_STORAGE.equals(name) 4852 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4853 final long token = Binder.clearCallingIdentity(); 4854 try { 4855 if (sUserManager.isInitialized(userId)) { 4856 StorageManagerInternal storageManagerInternal = LocalServices.getService( 4857 StorageManagerInternal.class); 4858 storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); 4859 } 4860 } finally { 4861 Binder.restoreCallingIdentity(token); 4862 } 4863 } 4864 } 4865 4866 @Override 4867 public void revokeRuntimePermission(String packageName, String name, int userId) { 4868 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4869 } 4870 4871 private void revokeRuntimePermission(String packageName, String name, int userId, 4872 boolean overridePolicy) { 4873 if (!sUserManager.exists(userId)) { 4874 Log.e(TAG, "No such user:" + userId); 4875 return; 4876 } 4877 4878 mContext.enforceCallingOrSelfPermission( 4879 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4880 "revokeRuntimePermission"); 4881 4882 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4883 true /* requireFullPermission */, true /* checkShell */, 4884 "revokeRuntimePermission"); 4885 4886 final int appId; 4887 4888 synchronized (mPackages) { 4889 final PackageParser.Package pkg = mPackages.get(packageName); 4890 if (pkg == null) { 4891 throw new IllegalArgumentException("Unknown package: " + packageName); 4892 } 4893 4894 final BasePermission bp = mSettings.mPermissions.get(name); 4895 if (bp == null) { 4896 throw new IllegalArgumentException("Unknown permission: " + name); 4897 } 4898 4899 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4900 4901 // If a permission review is required for legacy apps we represent 4902 // their permissions as always granted runtime ones since we need 4903 // to keep the review required permission flag per user while an 4904 // install permission's state is shared across all users. 4905 if (mPermissionReviewRequired 4906 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4907 && bp.isRuntime()) { 4908 return; 4909 } 4910 4911 SettingBase sb = (SettingBase) pkg.mExtras; 4912 if (sb == null) { 4913 throw new IllegalArgumentException("Unknown package: " + packageName); 4914 } 4915 4916 final PermissionsState permissionsState = sb.getPermissionsState(); 4917 4918 final int flags = permissionsState.getPermissionFlags(name, userId); 4919 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4920 throw new SecurityException("Cannot revoke system fixed permission " 4921 + name + " for package " + packageName); 4922 } 4923 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4924 throw new SecurityException("Cannot revoke policy fixed permission " 4925 + name + " for package " + packageName); 4926 } 4927 4928 if (bp.isDevelopment()) { 4929 // Development permissions must be handled specially, since they are not 4930 // normal runtime permissions. For now they apply to all users. 4931 if (permissionsState.revokeInstallPermission(bp) != 4932 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4933 scheduleWriteSettingsLocked(); 4934 } 4935 return; 4936 } 4937 4938 if (permissionsState.revokeRuntimePermission(bp, userId) == 4939 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4940 return; 4941 } 4942 4943 if (bp.isRuntime()) { 4944 logPermissionRevoked(mContext, name, packageName); 4945 } 4946 4947 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4948 4949 // Critical, after this call app should never have the permission. 4950 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4951 4952 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4953 } 4954 4955 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4956 } 4957 4958 /** 4959 * Get the first event id for the permission. 4960 * 4961 * <p>There are four events for each permission: <ul> 4962 * <li>Request permission: first id + 0</li> 4963 * <li>Grant permission: first id + 1</li> 4964 * <li>Request for permission denied: first id + 2</li> 4965 * <li>Revoke permission: first id + 3</li> 4966 * </ul></p> 4967 * 4968 * @param name name of the permission 4969 * 4970 * @return The first event id for the permission 4971 */ 4972 private static int getBaseEventId(@NonNull String name) { 4973 int eventIdIndex = ALL_DANGEROUS_PERMISSIONS.indexOf(name); 4974 4975 if (eventIdIndex == -1) { 4976 if (AppOpsManager.permissionToOpCode(name) == AppOpsManager.OP_NONE 4977 || "user".equals(Build.TYPE)) { 4978 Log.i(TAG, "Unknown permission " + name); 4979 4980 return MetricsEvent.ACTION_PERMISSION_REQUEST_UNKNOWN; 4981 } else { 4982 // Most likely #ALL_DANGEROUS_PERMISSIONS needs to be updated. 4983 // 4984 // Also update 4985 // - EventLogger#ALL_DANGEROUS_PERMISSIONS 4986 // - metrics_constants.proto 4987 throw new IllegalStateException("Unknown permission " + name); 4988 } 4989 } 4990 4991 return MetricsEvent.ACTION_PERMISSION_REQUEST_READ_CALENDAR + eventIdIndex * 4; 4992 } 4993 4994 /** 4995 * Log that a permission was revoked. 4996 * 4997 * @param context Context of the caller 4998 * @param name name of the permission 4999 * @param packageName package permission if for 5000 */ 5001 private static void logPermissionRevoked(@NonNull Context context, @NonNull String name, 5002 @NonNull String packageName) { 5003 MetricsLogger.action(context, getBaseEventId(name) + 3, packageName); 5004 } 5005 5006 /** 5007 * Log that a permission request was granted. 5008 * 5009 * @param context Context of the caller 5010 * @param name name of the permission 5011 * @param packageName package permission if for 5012 */ 5013 private static void logPermissionGranted(@NonNull Context context, @NonNull String name, 5014 @NonNull String packageName) { 5015 MetricsLogger.action(context, getBaseEventId(name) + 1, packageName); 5016 } 5017 5018 @Override 5019 public void resetRuntimePermissions() { 5020 mContext.enforceCallingOrSelfPermission( 5021 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 5022 "revokeRuntimePermission"); 5023 5024 int callingUid = Binder.getCallingUid(); 5025 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 5026 mContext.enforceCallingOrSelfPermission( 5027 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5028 "resetRuntimePermissions"); 5029 } 5030 5031 synchronized (mPackages) { 5032 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 5033 for (int userId : UserManagerService.getInstance().getUserIds()) { 5034 final int packageCount = mPackages.size(); 5035 for (int i = 0; i < packageCount; i++) { 5036 PackageParser.Package pkg = mPackages.valueAt(i); 5037 if (!(pkg.mExtras instanceof PackageSetting)) { 5038 continue; 5039 } 5040 PackageSetting ps = (PackageSetting) pkg.mExtras; 5041 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 5042 } 5043 } 5044 } 5045 } 5046 5047 @Override 5048 public int getPermissionFlags(String name, String packageName, int userId) { 5049 if (!sUserManager.exists(userId)) { 5050 return 0; 5051 } 5052 5053 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 5054 5055 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5056 true /* requireFullPermission */, false /* checkShell */, 5057 "getPermissionFlags"); 5058 5059 synchronized (mPackages) { 5060 final PackageParser.Package pkg = mPackages.get(packageName); 5061 if (pkg == null) { 5062 return 0; 5063 } 5064 5065 final BasePermission bp = mSettings.mPermissions.get(name); 5066 if (bp == null) { 5067 return 0; 5068 } 5069 5070 SettingBase sb = (SettingBase) pkg.mExtras; 5071 if (sb == null) { 5072 return 0; 5073 } 5074 5075 PermissionsState permissionsState = sb.getPermissionsState(); 5076 return permissionsState.getPermissionFlags(name, userId); 5077 } 5078 } 5079 5080 @Override 5081 public void updatePermissionFlags(String name, String packageName, int flagMask, 5082 int flagValues, int userId) { 5083 if (!sUserManager.exists(userId)) { 5084 return; 5085 } 5086 5087 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 5088 5089 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5090 true /* requireFullPermission */, true /* checkShell */, 5091 "updatePermissionFlags"); 5092 5093 // Only the system can change these flags and nothing else. 5094 if (getCallingUid() != Process.SYSTEM_UID) { 5095 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5096 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5097 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5098 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5099 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 5100 } 5101 5102 synchronized (mPackages) { 5103 final PackageParser.Package pkg = mPackages.get(packageName); 5104 if (pkg == null) { 5105 throw new IllegalArgumentException("Unknown package: " + packageName); 5106 } 5107 5108 final BasePermission bp = mSettings.mPermissions.get(name); 5109 if (bp == null) { 5110 throw new IllegalArgumentException("Unknown permission: " + name); 5111 } 5112 5113 SettingBase sb = (SettingBase) pkg.mExtras; 5114 if (sb == null) { 5115 throw new IllegalArgumentException("Unknown package: " + packageName); 5116 } 5117 5118 PermissionsState permissionsState = sb.getPermissionsState(); 5119 5120 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 5121 5122 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 5123 // Install and runtime permissions are stored in different places, 5124 // so figure out what permission changed and persist the change. 5125 if (permissionsState.getInstallPermissionState(name) != null) { 5126 scheduleWriteSettingsLocked(); 5127 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 5128 || hadState) { 5129 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5130 } 5131 } 5132 } 5133 } 5134 5135 /** 5136 * Update the permission flags for all packages and runtime permissions of a user in order 5137 * to allow device or profile owner to remove POLICY_FIXED. 5138 */ 5139 @Override 5140 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 5141 if (!sUserManager.exists(userId)) { 5142 return; 5143 } 5144 5145 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 5146 5147 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5148 true /* requireFullPermission */, true /* checkShell */, 5149 "updatePermissionFlagsForAllApps"); 5150 5151 // Only the system can change system fixed flags. 5152 if (getCallingUid() != Process.SYSTEM_UID) { 5153 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5154 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5155 } 5156 5157 synchronized (mPackages) { 5158 boolean changed = false; 5159 final int packageCount = mPackages.size(); 5160 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 5161 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 5162 SettingBase sb = (SettingBase) pkg.mExtras; 5163 if (sb == null) { 5164 continue; 5165 } 5166 PermissionsState permissionsState = sb.getPermissionsState(); 5167 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 5168 userId, flagMask, flagValues); 5169 } 5170 if (changed) { 5171 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5172 } 5173 } 5174 } 5175 5176 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 5177 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 5178 != PackageManager.PERMISSION_GRANTED 5179 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 5180 != PackageManager.PERMISSION_GRANTED) { 5181 throw new SecurityException(message + " requires " 5182 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 5183 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 5184 } 5185 } 5186 5187 @Override 5188 public boolean shouldShowRequestPermissionRationale(String permissionName, 5189 String packageName, int userId) { 5190 if (UserHandle.getCallingUserId() != userId) { 5191 mContext.enforceCallingPermission( 5192 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5193 "canShowRequestPermissionRationale for user " + userId); 5194 } 5195 5196 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 5197 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 5198 return false; 5199 } 5200 5201 if (checkPermission(permissionName, packageName, userId) 5202 == PackageManager.PERMISSION_GRANTED) { 5203 return false; 5204 } 5205 5206 final int flags; 5207 5208 final long identity = Binder.clearCallingIdentity(); 5209 try { 5210 flags = getPermissionFlags(permissionName, 5211 packageName, userId); 5212 } finally { 5213 Binder.restoreCallingIdentity(identity); 5214 } 5215 5216 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 5217 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 5218 | PackageManager.FLAG_PERMISSION_USER_FIXED; 5219 5220 if ((flags & fixedFlags) != 0) { 5221 return false; 5222 } 5223 5224 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 5225 } 5226 5227 @Override 5228 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5229 mContext.enforceCallingOrSelfPermission( 5230 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 5231 "addOnPermissionsChangeListener"); 5232 5233 synchronized (mPackages) { 5234 mOnPermissionChangeListeners.addListenerLocked(listener); 5235 } 5236 } 5237 5238 @Override 5239 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5240 synchronized (mPackages) { 5241 mOnPermissionChangeListeners.removeListenerLocked(listener); 5242 } 5243 } 5244 5245 @Override 5246 public boolean isProtectedBroadcast(String actionName) { 5247 synchronized (mPackages) { 5248 if (mProtectedBroadcasts.contains(actionName)) { 5249 return true; 5250 } else if (actionName != null) { 5251 // TODO: remove these terrible hacks 5252 if (actionName.startsWith("android.net.netmon.lingerExpired") 5253 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 5254 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 5255 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 5256 return true; 5257 } 5258 } 5259 } 5260 return false; 5261 } 5262 5263 @Override 5264 public int checkSignatures(String pkg1, String pkg2) { 5265 synchronized (mPackages) { 5266 final PackageParser.Package p1 = mPackages.get(pkg1); 5267 final PackageParser.Package p2 = mPackages.get(pkg2); 5268 if (p1 == null || p1.mExtras == null 5269 || p2 == null || p2.mExtras == null) { 5270 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5271 } 5272 return compareSignatures(p1.mSignatures, p2.mSignatures); 5273 } 5274 } 5275 5276 @Override 5277 public int checkUidSignatures(int uid1, int uid2) { 5278 // Map to base uids. 5279 uid1 = UserHandle.getAppId(uid1); 5280 uid2 = UserHandle.getAppId(uid2); 5281 // reader 5282 synchronized (mPackages) { 5283 Signature[] s1; 5284 Signature[] s2; 5285 Object obj = mSettings.getUserIdLPr(uid1); 5286 if (obj != null) { 5287 if (obj instanceof SharedUserSetting) { 5288 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 5289 } else if (obj instanceof PackageSetting) { 5290 s1 = ((PackageSetting)obj).signatures.mSignatures; 5291 } else { 5292 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5293 } 5294 } else { 5295 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5296 } 5297 obj = mSettings.getUserIdLPr(uid2); 5298 if (obj != null) { 5299 if (obj instanceof SharedUserSetting) { 5300 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 5301 } else if (obj instanceof PackageSetting) { 5302 s2 = ((PackageSetting)obj).signatures.mSignatures; 5303 } else { 5304 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5305 } 5306 } else { 5307 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5308 } 5309 return compareSignatures(s1, s2); 5310 } 5311 } 5312 5313 /** 5314 * This method should typically only be used when granting or revoking 5315 * permissions, since the app may immediately restart after this call. 5316 * <p> 5317 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 5318 * guard your work against the app being relaunched. 5319 */ 5320 private void killUid(int appId, int userId, String reason) { 5321 final long identity = Binder.clearCallingIdentity(); 5322 try { 5323 IActivityManager am = ActivityManager.getService(); 5324 if (am != null) { 5325 try { 5326 am.killUid(appId, userId, reason); 5327 } catch (RemoteException e) { 5328 /* ignore - same process */ 5329 } 5330 } 5331 } finally { 5332 Binder.restoreCallingIdentity(identity); 5333 } 5334 } 5335 5336 /** 5337 * Compares two sets of signatures. Returns: 5338 * <br /> 5339 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 5340 * <br /> 5341 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 5342 * <br /> 5343 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 5344 * <br /> 5345 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 5346 * <br /> 5347 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 5348 */ 5349 static int compareSignatures(Signature[] s1, Signature[] s2) { 5350 if (s1 == null) { 5351 return s2 == null 5352 ? PackageManager.SIGNATURE_NEITHER_SIGNED 5353 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 5354 } 5355 5356 if (s2 == null) { 5357 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 5358 } 5359 5360 if (s1.length != s2.length) { 5361 return PackageManager.SIGNATURE_NO_MATCH; 5362 } 5363 5364 // Since both signature sets are of size 1, we can compare without HashSets. 5365 if (s1.length == 1) { 5366 return s1[0].equals(s2[0]) ? 5367 PackageManager.SIGNATURE_MATCH : 5368 PackageManager.SIGNATURE_NO_MATCH; 5369 } 5370 5371 ArraySet<Signature> set1 = new ArraySet<Signature>(); 5372 for (Signature sig : s1) { 5373 set1.add(sig); 5374 } 5375 ArraySet<Signature> set2 = new ArraySet<Signature>(); 5376 for (Signature sig : s2) { 5377 set2.add(sig); 5378 } 5379 // Make sure s2 contains all signatures in s1. 5380 if (set1.equals(set2)) { 5381 return PackageManager.SIGNATURE_MATCH; 5382 } 5383 return PackageManager.SIGNATURE_NO_MATCH; 5384 } 5385 5386 /** 5387 * If the database version for this type of package (internal storage or 5388 * external storage) is less than the version where package signatures 5389 * were updated, return true. 5390 */ 5391 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5392 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5393 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 5394 } 5395 5396 /** 5397 * Used for backward compatibility to make sure any packages with 5398 * certificate chains get upgraded to the new style. {@code existingSigs} 5399 * will be in the old format (since they were stored on disk from before the 5400 * system upgrade) and {@code scannedSigs} will be in the newer format. 5401 */ 5402 private int compareSignaturesCompat(PackageSignatures existingSigs, 5403 PackageParser.Package scannedPkg) { 5404 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 5405 return PackageManager.SIGNATURE_NO_MATCH; 5406 } 5407 5408 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 5409 for (Signature sig : existingSigs.mSignatures) { 5410 existingSet.add(sig); 5411 } 5412 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 5413 for (Signature sig : scannedPkg.mSignatures) { 5414 try { 5415 Signature[] chainSignatures = sig.getChainSignatures(); 5416 for (Signature chainSig : chainSignatures) { 5417 scannedCompatSet.add(chainSig); 5418 } 5419 } catch (CertificateEncodingException e) { 5420 scannedCompatSet.add(sig); 5421 } 5422 } 5423 /* 5424 * Make sure the expanded scanned set contains all signatures in the 5425 * existing one. 5426 */ 5427 if (scannedCompatSet.equals(existingSet)) { 5428 // Migrate the old signatures to the new scheme. 5429 existingSigs.assignSignatures(scannedPkg.mSignatures); 5430 // The new KeySets will be re-added later in the scanning process. 5431 synchronized (mPackages) { 5432 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 5433 } 5434 return PackageManager.SIGNATURE_MATCH; 5435 } 5436 return PackageManager.SIGNATURE_NO_MATCH; 5437 } 5438 5439 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5440 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5441 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 5442 } 5443 5444 private int compareSignaturesRecover(PackageSignatures existingSigs, 5445 PackageParser.Package scannedPkg) { 5446 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 5447 return PackageManager.SIGNATURE_NO_MATCH; 5448 } 5449 5450 String msg = null; 5451 try { 5452 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 5453 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 5454 + scannedPkg.packageName); 5455 return PackageManager.SIGNATURE_MATCH; 5456 } 5457 } catch (CertificateException e) { 5458 msg = e.getMessage(); 5459 } 5460 5461 logCriticalInfo(Log.INFO, 5462 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 5463 return PackageManager.SIGNATURE_NO_MATCH; 5464 } 5465 5466 @Override 5467 public List<String> getAllPackages() { 5468 synchronized (mPackages) { 5469 return new ArrayList<String>(mPackages.keySet()); 5470 } 5471 } 5472 5473 @Override 5474 public String[] getPackagesForUid(int uid) { 5475 final int userId = UserHandle.getUserId(uid); 5476 uid = UserHandle.getAppId(uid); 5477 // reader 5478 synchronized (mPackages) { 5479 Object obj = mSettings.getUserIdLPr(uid); 5480 if (obj instanceof SharedUserSetting) { 5481 final SharedUserSetting sus = (SharedUserSetting) obj; 5482 final int N = sus.packages.size(); 5483 String[] res = new String[N]; 5484 final Iterator<PackageSetting> it = sus.packages.iterator(); 5485 int i = 0; 5486 while (it.hasNext()) { 5487 PackageSetting ps = it.next(); 5488 if (ps.getInstalled(userId)) { 5489 res[i++] = ps.name; 5490 } else { 5491 res = ArrayUtils.removeElement(String.class, res, res[i]); 5492 } 5493 } 5494 return res; 5495 } else if (obj instanceof PackageSetting) { 5496 final PackageSetting ps = (PackageSetting) obj; 5497 if (ps.getInstalled(userId)) { 5498 return new String[]{ps.name}; 5499 } 5500 } 5501 } 5502 return null; 5503 } 5504 5505 @Override 5506 public String getNameForUid(int uid) { 5507 // reader 5508 synchronized (mPackages) { 5509 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5510 if (obj instanceof SharedUserSetting) { 5511 final SharedUserSetting sus = (SharedUserSetting) obj; 5512 return sus.name + ":" + sus.userId; 5513 } else if (obj instanceof PackageSetting) { 5514 final PackageSetting ps = (PackageSetting) obj; 5515 return ps.name; 5516 } 5517 } 5518 return null; 5519 } 5520 5521 @Override 5522 public int getUidForSharedUser(String sharedUserName) { 5523 if(sharedUserName == null) { 5524 return -1; 5525 } 5526 // reader 5527 synchronized (mPackages) { 5528 SharedUserSetting suid; 5529 try { 5530 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5531 if (suid != null) { 5532 return suid.userId; 5533 } 5534 } catch (PackageManagerException ignore) { 5535 // can't happen, but, still need to catch it 5536 } 5537 return -1; 5538 } 5539 } 5540 5541 @Override 5542 public int getFlagsForUid(int uid) { 5543 synchronized (mPackages) { 5544 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5545 if (obj instanceof SharedUserSetting) { 5546 final SharedUserSetting sus = (SharedUserSetting) obj; 5547 return sus.pkgFlags; 5548 } else if (obj instanceof PackageSetting) { 5549 final PackageSetting ps = (PackageSetting) obj; 5550 return ps.pkgFlags; 5551 } 5552 } 5553 return 0; 5554 } 5555 5556 @Override 5557 public int getPrivateFlagsForUid(int uid) { 5558 synchronized (mPackages) { 5559 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5560 if (obj instanceof SharedUserSetting) { 5561 final SharedUserSetting sus = (SharedUserSetting) obj; 5562 return sus.pkgPrivateFlags; 5563 } else if (obj instanceof PackageSetting) { 5564 final PackageSetting ps = (PackageSetting) obj; 5565 return ps.pkgPrivateFlags; 5566 } 5567 } 5568 return 0; 5569 } 5570 5571 @Override 5572 public boolean isUidPrivileged(int uid) { 5573 uid = UserHandle.getAppId(uid); 5574 // reader 5575 synchronized (mPackages) { 5576 Object obj = mSettings.getUserIdLPr(uid); 5577 if (obj instanceof SharedUserSetting) { 5578 final SharedUserSetting sus = (SharedUserSetting) obj; 5579 final Iterator<PackageSetting> it = sus.packages.iterator(); 5580 while (it.hasNext()) { 5581 if (it.next().isPrivileged()) { 5582 return true; 5583 } 5584 } 5585 } else if (obj instanceof PackageSetting) { 5586 final PackageSetting ps = (PackageSetting) obj; 5587 return ps.isPrivileged(); 5588 } 5589 } 5590 return false; 5591 } 5592 5593 @Override 5594 public String[] getAppOpPermissionPackages(String permissionName) { 5595 synchronized (mPackages) { 5596 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 5597 if (pkgs == null) { 5598 return null; 5599 } 5600 return pkgs.toArray(new String[pkgs.size()]); 5601 } 5602 } 5603 5604 @Override 5605 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5606 int flags, int userId) { 5607 return resolveIntentInternal( 5608 intent, resolvedType, flags, userId, false /*includeInstantApp*/); 5609 } 5610 5611 private ResolveInfo resolveIntentInternal(Intent intent, String resolvedType, 5612 int flags, int userId, boolean includeInstantApp) { 5613 try { 5614 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5615 5616 if (!sUserManager.exists(userId)) return null; 5617 flags = updateFlagsForResolve(flags, userId, intent, includeInstantApp); 5618 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5619 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5620 5621 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5622 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5623 flags, userId, includeInstantApp); 5624 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5625 5626 final ResolveInfo bestChoice = 5627 chooseBestActivity(intent, resolvedType, flags, query, userId); 5628 return bestChoice; 5629 } finally { 5630 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5631 } 5632 } 5633 5634 @Override 5635 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 5636 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 5637 throw new SecurityException( 5638 "findPersistentPreferredActivity can only be run by the system"); 5639 } 5640 if (!sUserManager.exists(userId)) { 5641 return null; 5642 } 5643 intent = updateIntentForResolve(intent); 5644 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 5645 final int flags = updateFlagsForResolve(0, userId, intent, false); 5646 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5647 userId); 5648 synchronized (mPackages) { 5649 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 5650 userId); 5651 } 5652 } 5653 5654 @Override 5655 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 5656 IntentFilter filter, int match, ComponentName activity) { 5657 final int userId = UserHandle.getCallingUserId(); 5658 if (DEBUG_PREFERRED) { 5659 Log.v(TAG, "setLastChosenActivity intent=" + intent 5660 + " resolvedType=" + resolvedType 5661 + " flags=" + flags 5662 + " filter=" + filter 5663 + " match=" + match 5664 + " activity=" + activity); 5665 filter.dump(new PrintStreamPrinter(System.out), " "); 5666 } 5667 intent.setComponent(null); 5668 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5669 userId); 5670 // Find any earlier preferred or last chosen entries and nuke them 5671 findPreferredActivity(intent, resolvedType, 5672 flags, query, 0, false, true, false, userId); 5673 // Add the new activity as the last chosen for this filter 5674 addPreferredActivityInternal(filter, match, null, activity, false, userId, 5675 "Setting last chosen"); 5676 } 5677 5678 @Override 5679 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 5680 final int userId = UserHandle.getCallingUserId(); 5681 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 5682 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5683 userId); 5684 return findPreferredActivity(intent, resolvedType, flags, query, 0, 5685 false, false, false, userId); 5686 } 5687 5688 /** 5689 * Returns whether or not instant apps have been disabled remotely. 5690 * <p><em>IMPORTANT</em> This should not be called with the package manager lock 5691 * held. Otherwise we run the risk of deadlock. 5692 */ 5693 private boolean isEphemeralDisabled() { 5694 // ephemeral apps have been disabled across the board 5695 if (DISABLE_EPHEMERAL_APPS) { 5696 return true; 5697 } 5698 // system isn't up yet; can't read settings, so, assume no ephemeral apps 5699 if (!mSystemReady) { 5700 return true; 5701 } 5702 // we can't get a content resolver until the system is ready; these checks must happen last 5703 final ContentResolver resolver = mContext.getContentResolver(); 5704 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 5705 return true; 5706 } 5707 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 5708 } 5709 5710 private boolean isEphemeralAllowed( 5711 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 5712 boolean skipPackageCheck) { 5713 final int callingUser = UserHandle.getCallingUserId(); 5714 if (callingUser != UserHandle.USER_SYSTEM) { 5715 return false; 5716 } 5717 if (mInstantAppResolverConnection == null) { 5718 return false; 5719 } 5720 if (mInstantAppInstallerComponent == null) { 5721 return false; 5722 } 5723 if (intent.getComponent() != null) { 5724 return false; 5725 } 5726 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 5727 return false; 5728 } 5729 if (!skipPackageCheck && intent.getPackage() != null) { 5730 return false; 5731 } 5732 final boolean isWebUri = hasWebURI(intent); 5733 if (!isWebUri || intent.getData().getHost() == null) { 5734 return false; 5735 } 5736 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5737 // Or if there's already an ephemeral app installed that handles the action 5738 synchronized (mPackages) { 5739 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 5740 for (int n = 0; n < count; n++) { 5741 ResolveInfo info = resolvedActivities.get(n); 5742 String packageName = info.activityInfo.packageName; 5743 PackageSetting ps = mSettings.mPackages.get(packageName); 5744 if (ps != null) { 5745 // Try to get the status from User settings first 5746 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5747 int status = (int) (packedStatus >> 32); 5748 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5749 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5750 if (DEBUG_EPHEMERAL) { 5751 Slog.v(TAG, "DENY ephemeral apps;" 5752 + " pkg: " + packageName + ", status: " + status); 5753 } 5754 return false; 5755 } 5756 if (ps.getInstantApp(userId)) { 5757 return false; 5758 } 5759 } 5760 } 5761 } 5762 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5763 return true; 5764 } 5765 5766 private void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 5767 Intent origIntent, String resolvedType, String callingPackage, 5768 int userId) { 5769 final Message msg = mHandler.obtainMessage(INSTANT_APP_RESOLUTION_PHASE_TWO, 5770 new InstantAppRequest(responseObj, origIntent, resolvedType, 5771 callingPackage, userId)); 5772 mHandler.sendMessage(msg); 5773 } 5774 5775 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5776 int flags, List<ResolveInfo> query, int userId) { 5777 if (query != null) { 5778 final int N = query.size(); 5779 if (N == 1) { 5780 return query.get(0); 5781 } else if (N > 1) { 5782 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5783 // If there is more than one activity with the same priority, 5784 // then let the user decide between them. 5785 ResolveInfo r0 = query.get(0); 5786 ResolveInfo r1 = query.get(1); 5787 if (DEBUG_INTENT_MATCHING || debug) { 5788 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5789 + r1.activityInfo.name + "=" + r1.priority); 5790 } 5791 // If the first activity has a higher priority, or a different 5792 // default, then it is always desirable to pick it. 5793 if (r0.priority != r1.priority 5794 || r0.preferredOrder != r1.preferredOrder 5795 || r0.isDefault != r1.isDefault) { 5796 return query.get(0); 5797 } 5798 // If we have saved a preference for a preferred activity for 5799 // this Intent, use that. 5800 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5801 flags, query, r0.priority, true, false, debug, userId); 5802 if (ri != null) { 5803 return ri; 5804 } 5805 // If we have an ephemeral app, use it 5806 for (int i = 0; i < N; i++) { 5807 ri = query.get(i); 5808 if (ri.activityInfo.applicationInfo.isInstantApp()) { 5809 return ri; 5810 } 5811 } 5812 ri = new ResolveInfo(mResolveInfo); 5813 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5814 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5815 // If all of the options come from the same package, show the application's 5816 // label and icon instead of the generic resolver's. 5817 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5818 // and then throw away the ResolveInfo itself, meaning that the caller loses 5819 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5820 // a fallback for this case; we only set the target package's resources on 5821 // the ResolveInfo, not the ActivityInfo. 5822 final String intentPackage = intent.getPackage(); 5823 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5824 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5825 ri.resolvePackageName = intentPackage; 5826 if (userNeedsBadging(userId)) { 5827 ri.noResourceId = true; 5828 } else { 5829 ri.icon = appi.icon; 5830 } 5831 ri.iconResourceId = appi.icon; 5832 ri.labelRes = appi.labelRes; 5833 } 5834 ri.activityInfo.applicationInfo = new ApplicationInfo( 5835 ri.activityInfo.applicationInfo); 5836 if (userId != 0) { 5837 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5838 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5839 } 5840 // Make sure that the resolver is displayable in car mode 5841 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5842 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5843 return ri; 5844 } 5845 } 5846 return null; 5847 } 5848 5849 /** 5850 * Return true if the given list is not empty and all of its contents have 5851 * an activityInfo with the given package name. 5852 */ 5853 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5854 if (ArrayUtils.isEmpty(list)) { 5855 return false; 5856 } 5857 for (int i = 0, N = list.size(); i < N; i++) { 5858 final ResolveInfo ri = list.get(i); 5859 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5860 if (ai == null || !packageName.equals(ai.packageName)) { 5861 return false; 5862 } 5863 } 5864 return true; 5865 } 5866 5867 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5868 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5869 final int N = query.size(); 5870 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5871 .get(userId); 5872 // Get the list of persistent preferred activities that handle the intent 5873 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5874 List<PersistentPreferredActivity> pprefs = ppir != null 5875 ? ppir.queryIntent(intent, resolvedType, 5876 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5877 userId) 5878 : null; 5879 if (pprefs != null && pprefs.size() > 0) { 5880 final int M = pprefs.size(); 5881 for (int i=0; i<M; i++) { 5882 final PersistentPreferredActivity ppa = pprefs.get(i); 5883 if (DEBUG_PREFERRED || debug) { 5884 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5885 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5886 + "\n component=" + ppa.mComponent); 5887 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5888 } 5889 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5890 flags | MATCH_DISABLED_COMPONENTS, userId); 5891 if (DEBUG_PREFERRED || debug) { 5892 Slog.v(TAG, "Found persistent preferred activity:"); 5893 if (ai != null) { 5894 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5895 } else { 5896 Slog.v(TAG, " null"); 5897 } 5898 } 5899 if (ai == null) { 5900 // This previously registered persistent preferred activity 5901 // component is no longer known. Ignore it and do NOT remove it. 5902 continue; 5903 } 5904 for (int j=0; j<N; j++) { 5905 final ResolveInfo ri = query.get(j); 5906 if (!ri.activityInfo.applicationInfo.packageName 5907 .equals(ai.applicationInfo.packageName)) { 5908 continue; 5909 } 5910 if (!ri.activityInfo.name.equals(ai.name)) { 5911 continue; 5912 } 5913 // Found a persistent preference that can handle the intent. 5914 if (DEBUG_PREFERRED || debug) { 5915 Slog.v(TAG, "Returning persistent preferred activity: " + 5916 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5917 } 5918 return ri; 5919 } 5920 } 5921 } 5922 return null; 5923 } 5924 5925 // TODO: handle preferred activities missing while user has amnesia 5926 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5927 List<ResolveInfo> query, int priority, boolean always, 5928 boolean removeMatches, boolean debug, int userId) { 5929 if (!sUserManager.exists(userId)) return null; 5930 flags = updateFlagsForResolve(flags, userId, intent, false); 5931 intent = updateIntentForResolve(intent); 5932 // writer 5933 synchronized (mPackages) { 5934 // Try to find a matching persistent preferred activity. 5935 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5936 debug, userId); 5937 5938 // If a persistent preferred activity matched, use it. 5939 if (pri != null) { 5940 return pri; 5941 } 5942 5943 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5944 // Get the list of preferred activities that handle the intent 5945 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5946 List<PreferredActivity> prefs = pir != null 5947 ? pir.queryIntent(intent, resolvedType, 5948 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5949 userId) 5950 : null; 5951 if (prefs != null && prefs.size() > 0) { 5952 boolean changed = false; 5953 try { 5954 // First figure out how good the original match set is. 5955 // We will only allow preferred activities that came 5956 // from the same match quality. 5957 int match = 0; 5958 5959 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5960 5961 final int N = query.size(); 5962 for (int j=0; j<N; j++) { 5963 final ResolveInfo ri = query.get(j); 5964 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5965 + ": 0x" + Integer.toHexString(match)); 5966 if (ri.match > match) { 5967 match = ri.match; 5968 } 5969 } 5970 5971 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5972 + Integer.toHexString(match)); 5973 5974 match &= IntentFilter.MATCH_CATEGORY_MASK; 5975 final int M = prefs.size(); 5976 for (int i=0; i<M; i++) { 5977 final PreferredActivity pa = prefs.get(i); 5978 if (DEBUG_PREFERRED || debug) { 5979 Slog.v(TAG, "Checking PreferredActivity ds=" 5980 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5981 + "\n component=" + pa.mPref.mComponent); 5982 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5983 } 5984 if (pa.mPref.mMatch != match) { 5985 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5986 + Integer.toHexString(pa.mPref.mMatch)); 5987 continue; 5988 } 5989 // If it's not an "always" type preferred activity and that's what we're 5990 // looking for, skip it. 5991 if (always && !pa.mPref.mAlways) { 5992 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5993 continue; 5994 } 5995 final ActivityInfo ai = getActivityInfo( 5996 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5997 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5998 userId); 5999 if (DEBUG_PREFERRED || debug) { 6000 Slog.v(TAG, "Found preferred activity:"); 6001 if (ai != null) { 6002 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6003 } else { 6004 Slog.v(TAG, " null"); 6005 } 6006 } 6007 if (ai == null) { 6008 // This previously registered preferred activity 6009 // component is no longer known. Most likely an update 6010 // to the app was installed and in the new version this 6011 // component no longer exists. Clean it up by removing 6012 // it from the preferred activities list, and skip it. 6013 Slog.w(TAG, "Removing dangling preferred activity: " 6014 + pa.mPref.mComponent); 6015 pir.removeFilter(pa); 6016 changed = true; 6017 continue; 6018 } 6019 for (int j=0; j<N; j++) { 6020 final ResolveInfo ri = query.get(j); 6021 if (!ri.activityInfo.applicationInfo.packageName 6022 .equals(ai.applicationInfo.packageName)) { 6023 continue; 6024 } 6025 if (!ri.activityInfo.name.equals(ai.name)) { 6026 continue; 6027 } 6028 6029 if (removeMatches) { 6030 pir.removeFilter(pa); 6031 changed = true; 6032 if (DEBUG_PREFERRED) { 6033 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 6034 } 6035 break; 6036 } 6037 6038 // Okay we found a previously set preferred or last chosen app. 6039 // If the result set is different from when this 6040 // was created, we need to clear it and re-ask the 6041 // user their preference, if we're looking for an "always" type entry. 6042 if (always && !pa.mPref.sameSet(query)) { 6043 Slog.i(TAG, "Result set changed, dropping preferred activity for " 6044 + intent + " type " + resolvedType); 6045 if (DEBUG_PREFERRED) { 6046 Slog.v(TAG, "Removing preferred activity since set changed " 6047 + pa.mPref.mComponent); 6048 } 6049 pir.removeFilter(pa); 6050 // Re-add the filter as a "last chosen" entry (!always) 6051 PreferredActivity lastChosen = new PreferredActivity( 6052 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 6053 pir.addFilter(lastChosen); 6054 changed = true; 6055 return null; 6056 } 6057 6058 // Yay! Either the set matched or we're looking for the last chosen 6059 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 6060 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6061 return ri; 6062 } 6063 } 6064 } finally { 6065 if (changed) { 6066 if (DEBUG_PREFERRED) { 6067 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 6068 } 6069 scheduleWritePackageRestrictionsLocked(userId); 6070 } 6071 } 6072 } 6073 } 6074 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 6075 return null; 6076 } 6077 6078 /* 6079 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 6080 */ 6081 @Override 6082 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 6083 int targetUserId) { 6084 mContext.enforceCallingOrSelfPermission( 6085 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 6086 List<CrossProfileIntentFilter> matches = 6087 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 6088 if (matches != null) { 6089 int size = matches.size(); 6090 for (int i = 0; i < size; i++) { 6091 if (matches.get(i).getTargetUserId() == targetUserId) return true; 6092 } 6093 } 6094 if (hasWebURI(intent)) { 6095 // cross-profile app linking works only towards the parent. 6096 final UserInfo parent = getProfileParent(sourceUserId); 6097 synchronized(mPackages) { 6098 int flags = updateFlagsForResolve(0, parent.id, intent, false); 6099 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 6100 intent, resolvedType, flags, sourceUserId, parent.id); 6101 return xpDomainInfo != null; 6102 } 6103 } 6104 return false; 6105 } 6106 6107 private UserInfo getProfileParent(int userId) { 6108 final long identity = Binder.clearCallingIdentity(); 6109 try { 6110 return sUserManager.getProfileParent(userId); 6111 } finally { 6112 Binder.restoreCallingIdentity(identity); 6113 } 6114 } 6115 6116 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 6117 String resolvedType, int userId) { 6118 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 6119 if (resolver != null) { 6120 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, userId); 6121 } 6122 return null; 6123 } 6124 6125 @Override 6126 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 6127 String resolvedType, int flags, int userId) { 6128 try { 6129 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 6130 6131 return new ParceledListSlice<>( 6132 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 6133 } finally { 6134 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6135 } 6136 } 6137 6138 /** 6139 * Returns the package name of the calling Uid if it's an instant app. If it isn't 6140 * instant, returns {@code null}. 6141 */ 6142 private String getInstantAppPackageName(int callingUid) { 6143 final int appId = UserHandle.getAppId(callingUid); 6144 synchronized (mPackages) { 6145 final Object obj = mSettings.getUserIdLPr(appId); 6146 if (obj instanceof PackageSetting) { 6147 final PackageSetting ps = (PackageSetting) obj; 6148 final boolean isInstantApp = ps.getInstantApp(UserHandle.getUserId(callingUid)); 6149 return isInstantApp ? ps.pkg.packageName : null; 6150 } 6151 } 6152 return null; 6153 } 6154 6155 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6156 String resolvedType, int flags, int userId) { 6157 return queryIntentActivitiesInternal(intent, resolvedType, flags, userId, false); 6158 } 6159 6160 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6161 String resolvedType, int flags, int userId, boolean includeInstantApp) { 6162 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6163 final String instantAppPkgName = getInstantAppPackageName(Binder.getCallingUid()); 6164 flags = updateFlagsForResolve(flags, userId, intent, includeInstantApp); 6165 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6166 false /* requireFullPermission */, false /* checkShell */, 6167 "query intent activities"); 6168 ComponentName comp = intent.getComponent(); 6169 if (comp == null) { 6170 if (intent.getSelector() != null) { 6171 intent = intent.getSelector(); 6172 comp = intent.getComponent(); 6173 } 6174 } 6175 6176 if (comp != null) { 6177 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6178 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 6179 if (ai != null) { 6180 // When specifying an explicit component, we prevent the activity from being 6181 // used when either 1) the calling package is normal and the activity is within 6182 // an ephemeral application or 2) the calling package is ephemeral and the 6183 // activity is not visible to ephemeral applications. 6184 final boolean matchInstantApp = 6185 (flags & PackageManager.MATCH_INSTANT) != 0; 6186 final boolean matchVisibleToInstantAppOnly = 6187 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 6188 final boolean isCallerInstantApp = 6189 instantAppPkgName != null; 6190 final boolean isTargetSameInstantApp = 6191 comp.getPackageName().equals(instantAppPkgName); 6192 final boolean isTargetInstantApp = 6193 (ai.applicationInfo.privateFlags 6194 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 6195 final boolean isTargetHiddenFromInstantApp = 6196 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0; 6197 final boolean blockResolution = 6198 !isTargetSameInstantApp 6199 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 6200 || (matchVisibleToInstantAppOnly && isCallerInstantApp 6201 && isTargetHiddenFromInstantApp)); 6202 if (!blockResolution) { 6203 final ResolveInfo ri = new ResolveInfo(); 6204 ri.activityInfo = ai; 6205 list.add(ri); 6206 } 6207 } 6208 return applyPostResolutionFilter(list, instantAppPkgName); 6209 } 6210 6211 // reader 6212 boolean sortResult = false; 6213 boolean addEphemeral = false; 6214 List<ResolveInfo> result; 6215 final String pkgName = intent.getPackage(); 6216 final boolean ephemeralDisabled = isEphemeralDisabled(); 6217 synchronized (mPackages) { 6218 if (pkgName == null) { 6219 List<CrossProfileIntentFilter> matchingFilters = 6220 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 6221 // Check for results that need to skip the current profile. 6222 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 6223 resolvedType, flags, userId); 6224 if (xpResolveInfo != null) { 6225 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 6226 xpResult.add(xpResolveInfo); 6227 return applyPostResolutionFilter( 6228 filterIfNotSystemUser(xpResult, userId), instantAppPkgName); 6229 } 6230 6231 // Check for results in the current profile. 6232 result = filterIfNotSystemUser(mActivities.queryIntent( 6233 intent, resolvedType, flags, userId), userId); 6234 addEphemeral = !ephemeralDisabled 6235 && isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 6236 6237 // Check for cross profile results. 6238 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 6239 xpResolveInfo = queryCrossProfileIntents( 6240 matchingFilters, intent, resolvedType, flags, userId, 6241 hasNonNegativePriorityResult); 6242 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 6243 boolean isVisibleToUser = filterIfNotSystemUser( 6244 Collections.singletonList(xpResolveInfo), userId).size() > 0; 6245 if (isVisibleToUser) { 6246 result.add(xpResolveInfo); 6247 sortResult = true; 6248 } 6249 } 6250 if (hasWebURI(intent)) { 6251 CrossProfileDomainInfo xpDomainInfo = null; 6252 final UserInfo parent = getProfileParent(userId); 6253 if (parent != null) { 6254 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 6255 flags, userId, parent.id); 6256 } 6257 if (xpDomainInfo != null) { 6258 if (xpResolveInfo != null) { 6259 // If we didn't remove it, the cross-profile ResolveInfo would be twice 6260 // in the result. 6261 result.remove(xpResolveInfo); 6262 } 6263 if (result.size() == 0 && !addEphemeral) { 6264 // No result in current profile, but found candidate in parent user. 6265 // And we are not going to add emphemeral app, so we can return the 6266 // result straight away. 6267 result.add(xpDomainInfo.resolveInfo); 6268 return applyPostResolutionFilter(result, instantAppPkgName); 6269 } 6270 } else if (result.size() <= 1 && !addEphemeral) { 6271 // No result in parent user and <= 1 result in current profile, and we 6272 // are not going to add emphemeral app, so we can return the result without 6273 // further processing. 6274 return applyPostResolutionFilter(result, instantAppPkgName); 6275 } 6276 // We have more than one candidate (combining results from current and parent 6277 // profile), so we need filtering and sorting. 6278 result = filterCandidatesWithDomainPreferredActivitiesLPr( 6279 intent, flags, result, xpDomainInfo, userId); 6280 sortResult = true; 6281 } 6282 } else { 6283 final PackageParser.Package pkg = mPackages.get(pkgName); 6284 if (pkg != null) { 6285 result = applyPostResolutionFilter(filterIfNotSystemUser( 6286 mActivities.queryIntentForPackage( 6287 intent, resolvedType, flags, pkg.activities, userId), 6288 userId), instantAppPkgName); 6289 } else { 6290 // the caller wants to resolve for a particular package; however, there 6291 // were no installed results, so, try to find an ephemeral result 6292 addEphemeral = !ephemeralDisabled 6293 && isEphemeralAllowed( 6294 intent, null /*result*/, userId, true /*skipPackageCheck*/); 6295 result = new ArrayList<ResolveInfo>(); 6296 } 6297 } 6298 } 6299 if (addEphemeral) { 6300 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 6301 final InstantAppRequest requestObject = new InstantAppRequest( 6302 null /*responseObj*/, intent /*origIntent*/, resolvedType, 6303 null /*callingPackage*/, userId); 6304 final AuxiliaryResolveInfo auxiliaryResponse = 6305 InstantAppResolver.doInstantAppResolutionPhaseOne( 6306 mContext, mInstantAppResolverConnection, requestObject); 6307 if (auxiliaryResponse != null) { 6308 if (DEBUG_EPHEMERAL) { 6309 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6310 } 6311 final ResolveInfo ephemeralInstaller = new ResolveInfo(mInstantAppInstallerInfo); 6312 ephemeralInstaller.auxiliaryInfo = auxiliaryResponse; 6313 // make sure this resolver is the default 6314 ephemeralInstaller.isDefault = true; 6315 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6316 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6317 // add a non-generic filter 6318 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 6319 ephemeralInstaller.filter.addDataPath( 6320 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 6321 ephemeralInstaller.instantAppAvailable = true; 6322 result.add(ephemeralInstaller); 6323 } 6324 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6325 } 6326 if (sortResult) { 6327 Collections.sort(result, mResolvePrioritySorter); 6328 } 6329 return applyPostResolutionFilter(result, instantAppPkgName); 6330 } 6331 6332 private static class CrossProfileDomainInfo { 6333 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 6334 ResolveInfo resolveInfo; 6335 /* Best domain verification status of the activities found in the other profile */ 6336 int bestDomainVerificationStatus; 6337 } 6338 6339 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 6340 String resolvedType, int flags, int sourceUserId, int parentUserId) { 6341 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 6342 sourceUserId)) { 6343 return null; 6344 } 6345 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6346 resolvedType, flags, parentUserId); 6347 6348 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 6349 return null; 6350 } 6351 CrossProfileDomainInfo result = null; 6352 int size = resultTargetUser.size(); 6353 for (int i = 0; i < size; i++) { 6354 ResolveInfo riTargetUser = resultTargetUser.get(i); 6355 // Intent filter verification is only for filters that specify a host. So don't return 6356 // those that handle all web uris. 6357 if (riTargetUser.handleAllWebDataURI) { 6358 continue; 6359 } 6360 String packageName = riTargetUser.activityInfo.packageName; 6361 PackageSetting ps = mSettings.mPackages.get(packageName); 6362 if (ps == null) { 6363 continue; 6364 } 6365 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 6366 int status = (int)(verificationState >> 32); 6367 if (result == null) { 6368 result = new CrossProfileDomainInfo(); 6369 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 6370 sourceUserId, parentUserId); 6371 result.bestDomainVerificationStatus = status; 6372 } else { 6373 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 6374 result.bestDomainVerificationStatus); 6375 } 6376 } 6377 // Don't consider matches with status NEVER across profiles. 6378 if (result != null && result.bestDomainVerificationStatus 6379 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6380 return null; 6381 } 6382 return result; 6383 } 6384 6385 /** 6386 * Verification statuses are ordered from the worse to the best, except for 6387 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 6388 */ 6389 private int bestDomainVerificationStatus(int status1, int status2) { 6390 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6391 return status2; 6392 } 6393 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6394 return status1; 6395 } 6396 return (int) MathUtils.max(status1, status2); 6397 } 6398 6399 private boolean isUserEnabled(int userId) { 6400 long callingId = Binder.clearCallingIdentity(); 6401 try { 6402 UserInfo userInfo = sUserManager.getUserInfo(userId); 6403 return userInfo != null && userInfo.isEnabled(); 6404 } finally { 6405 Binder.restoreCallingIdentity(callingId); 6406 } 6407 } 6408 6409 /** 6410 * Filter out activities with systemUserOnly flag set, when current user is not System. 6411 * 6412 * @return filtered list 6413 */ 6414 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 6415 if (userId == UserHandle.USER_SYSTEM) { 6416 return resolveInfos; 6417 } 6418 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6419 ResolveInfo info = resolveInfos.get(i); 6420 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 6421 resolveInfos.remove(i); 6422 } 6423 } 6424 return resolveInfos; 6425 } 6426 6427 /** 6428 * Filters out ephemeral activities. 6429 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 6430 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 6431 * 6432 * @param resolveInfos The pre-filtered list of resolved activities 6433 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 6434 * is performed. 6435 * @return A filtered list of resolved activities. 6436 */ 6437 private List<ResolveInfo> applyPostResolutionFilter(List<ResolveInfo> resolveInfos, 6438 String ephemeralPkgName) { 6439 // TODO: When adding on-demand split support for non-instant apps, remove this check 6440 // and always apply post filtering 6441 if (ephemeralPkgName == null) { 6442 return resolveInfos; 6443 } 6444 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6445 final ResolveInfo info = resolveInfos.get(i); 6446 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isInstantApp(); 6447 // allow activities that are defined in the provided package 6448 if (isEphemeralApp && ephemeralPkgName.equals(info.activityInfo.packageName)) { 6449 if (info.activityInfo.splitName != null 6450 && !ArrayUtils.contains(info.activityInfo.applicationInfo.splitNames, 6451 info.activityInfo.splitName)) { 6452 // requested activity is defined in a split that hasn't been installed yet. 6453 // add the installer to the resolve list 6454 if (DEBUG_EPHEMERAL) { 6455 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6456 } 6457 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 6458 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 6459 info.activityInfo.packageName, info.activityInfo.splitName, 6460 info.activityInfo.applicationInfo.versionCode); 6461 // make sure this resolver is the default 6462 installerInfo.isDefault = true; 6463 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6464 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6465 // add a non-generic filter 6466 installerInfo.filter = new IntentFilter(); 6467 // load resources from the correct package 6468 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 6469 resolveInfos.set(i, installerInfo); 6470 } 6471 continue; 6472 } 6473 // allow activities that have been explicitly exposed to ephemeral apps 6474 if (!isEphemeralApp 6475 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) != 0)) { 6476 continue; 6477 } 6478 resolveInfos.remove(i); 6479 } 6480 return resolveInfos; 6481 } 6482 6483 /** 6484 * @param resolveInfos list of resolve infos in descending priority order 6485 * @return if the list contains a resolve info with non-negative priority 6486 */ 6487 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 6488 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 6489 } 6490 6491 private static boolean hasWebURI(Intent intent) { 6492 if (intent.getData() == null) { 6493 return false; 6494 } 6495 final String scheme = intent.getScheme(); 6496 if (TextUtils.isEmpty(scheme)) { 6497 return false; 6498 } 6499 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 6500 } 6501 6502 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 6503 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 6504 int userId) { 6505 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 6506 6507 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6508 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 6509 candidates.size()); 6510 } 6511 6512 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 6513 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 6514 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 6515 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 6516 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 6517 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 6518 6519 synchronized (mPackages) { 6520 final int count = candidates.size(); 6521 // First, try to use linked apps. Partition the candidates into four lists: 6522 // one for the final results, one for the "do not use ever", one for "undefined status" 6523 // and finally one for "browser app type". 6524 for (int n=0; n<count; n++) { 6525 ResolveInfo info = candidates.get(n); 6526 String packageName = info.activityInfo.packageName; 6527 PackageSetting ps = mSettings.mPackages.get(packageName); 6528 if (ps != null) { 6529 // Add to the special match all list (Browser use case) 6530 if (info.handleAllWebDataURI) { 6531 matchAllList.add(info); 6532 continue; 6533 } 6534 // Try to get the status from User settings first 6535 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6536 int status = (int)(packedStatus >> 32); 6537 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6538 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 6539 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6540 Slog.i(TAG, " + always: " + info.activityInfo.packageName 6541 + " : linkgen=" + linkGeneration); 6542 } 6543 // Use link-enabled generation as preferredOrder, i.e. 6544 // prefer newly-enabled over earlier-enabled. 6545 info.preferredOrder = linkGeneration; 6546 alwaysList.add(info); 6547 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6548 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6549 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 6550 } 6551 neverList.add(info); 6552 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6553 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6554 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 6555 } 6556 alwaysAskList.add(info); 6557 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 6558 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 6559 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6560 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 6561 } 6562 undefinedList.add(info); 6563 } 6564 } 6565 } 6566 6567 // We'll want to include browser possibilities in a few cases 6568 boolean includeBrowser = false; 6569 6570 // First try to add the "always" resolution(s) for the current user, if any 6571 if (alwaysList.size() > 0) { 6572 result.addAll(alwaysList); 6573 } else { 6574 // Add all undefined apps as we want them to appear in the disambiguation dialog. 6575 result.addAll(undefinedList); 6576 // Maybe add one for the other profile. 6577 if (xpDomainInfo != null && ( 6578 xpDomainInfo.bestDomainVerificationStatus 6579 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 6580 result.add(xpDomainInfo.resolveInfo); 6581 } 6582 includeBrowser = true; 6583 } 6584 6585 // The presence of any 'always ask' alternatives means we'll also offer browsers. 6586 // If there were 'always' entries their preferred order has been set, so we also 6587 // back that off to make the alternatives equivalent 6588 if (alwaysAskList.size() > 0) { 6589 for (ResolveInfo i : result) { 6590 i.preferredOrder = 0; 6591 } 6592 result.addAll(alwaysAskList); 6593 includeBrowser = true; 6594 } 6595 6596 if (includeBrowser) { 6597 // Also add browsers (all of them or only the default one) 6598 if (DEBUG_DOMAIN_VERIFICATION) { 6599 Slog.v(TAG, " ...including browsers in candidate set"); 6600 } 6601 if ((matchFlags & MATCH_ALL) != 0) { 6602 result.addAll(matchAllList); 6603 } else { 6604 // Browser/generic handling case. If there's a default browser, go straight 6605 // to that (but only if there is no other higher-priority match). 6606 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 6607 int maxMatchPrio = 0; 6608 ResolveInfo defaultBrowserMatch = null; 6609 final int numCandidates = matchAllList.size(); 6610 for (int n = 0; n < numCandidates; n++) { 6611 ResolveInfo info = matchAllList.get(n); 6612 // track the highest overall match priority... 6613 if (info.priority > maxMatchPrio) { 6614 maxMatchPrio = info.priority; 6615 } 6616 // ...and the highest-priority default browser match 6617 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 6618 if (defaultBrowserMatch == null 6619 || (defaultBrowserMatch.priority < info.priority)) { 6620 if (debug) { 6621 Slog.v(TAG, "Considering default browser match " + info); 6622 } 6623 defaultBrowserMatch = info; 6624 } 6625 } 6626 } 6627 if (defaultBrowserMatch != null 6628 && defaultBrowserMatch.priority >= maxMatchPrio 6629 && !TextUtils.isEmpty(defaultBrowserPackageName)) 6630 { 6631 if (debug) { 6632 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 6633 } 6634 result.add(defaultBrowserMatch); 6635 } else { 6636 result.addAll(matchAllList); 6637 } 6638 } 6639 6640 // If there is nothing selected, add all candidates and remove the ones that the user 6641 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 6642 if (result.size() == 0) { 6643 result.addAll(candidates); 6644 result.removeAll(neverList); 6645 } 6646 } 6647 } 6648 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6649 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 6650 result.size()); 6651 for (ResolveInfo info : result) { 6652 Slog.v(TAG, " + " + info.activityInfo); 6653 } 6654 } 6655 return result; 6656 } 6657 6658 // Returns a packed value as a long: 6659 // 6660 // high 'int'-sized word: link status: undefined/ask/never/always. 6661 // low 'int'-sized word: relative priority among 'always' results. 6662 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 6663 long result = ps.getDomainVerificationStatusForUser(userId); 6664 // if none available, get the master status 6665 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 6666 if (ps.getIntentFilterVerificationInfo() != null) { 6667 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 6668 } 6669 } 6670 return result; 6671 } 6672 6673 private ResolveInfo querySkipCurrentProfileIntents( 6674 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6675 int flags, int sourceUserId) { 6676 if (matchingFilters != null) { 6677 int size = matchingFilters.size(); 6678 for (int i = 0; i < size; i ++) { 6679 CrossProfileIntentFilter filter = matchingFilters.get(i); 6680 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 6681 // Checking if there are activities in the target user that can handle the 6682 // intent. 6683 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6684 resolvedType, flags, sourceUserId); 6685 if (resolveInfo != null) { 6686 return resolveInfo; 6687 } 6688 } 6689 } 6690 } 6691 return null; 6692 } 6693 6694 // Return matching ResolveInfo in target user if any. 6695 private ResolveInfo queryCrossProfileIntents( 6696 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6697 int flags, int sourceUserId, boolean matchInCurrentProfile) { 6698 if (matchingFilters != null) { 6699 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 6700 // match the same intent. For performance reasons, it is better not to 6701 // run queryIntent twice for the same userId 6702 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 6703 int size = matchingFilters.size(); 6704 for (int i = 0; i < size; i++) { 6705 CrossProfileIntentFilter filter = matchingFilters.get(i); 6706 int targetUserId = filter.getTargetUserId(); 6707 boolean skipCurrentProfile = 6708 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 6709 boolean skipCurrentProfileIfNoMatchFound = 6710 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 6711 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 6712 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 6713 // Checking if there are activities in the target user that can handle the 6714 // intent. 6715 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6716 resolvedType, flags, sourceUserId); 6717 if (resolveInfo != null) return resolveInfo; 6718 alreadyTriedUserIds.put(targetUserId, true); 6719 } 6720 } 6721 } 6722 return null; 6723 } 6724 6725 /** 6726 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 6727 * will forward the intent to the filter's target user. 6728 * Otherwise, returns null. 6729 */ 6730 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 6731 String resolvedType, int flags, int sourceUserId) { 6732 int targetUserId = filter.getTargetUserId(); 6733 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6734 resolvedType, flags, targetUserId); 6735 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 6736 // If all the matches in the target profile are suspended, return null. 6737 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 6738 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 6739 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 6740 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 6741 targetUserId); 6742 } 6743 } 6744 } 6745 return null; 6746 } 6747 6748 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 6749 int sourceUserId, int targetUserId) { 6750 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 6751 long ident = Binder.clearCallingIdentity(); 6752 boolean targetIsProfile; 6753 try { 6754 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 6755 } finally { 6756 Binder.restoreCallingIdentity(ident); 6757 } 6758 String className; 6759 if (targetIsProfile) { 6760 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 6761 } else { 6762 className = FORWARD_INTENT_TO_PARENT; 6763 } 6764 ComponentName forwardingActivityComponentName = new ComponentName( 6765 mAndroidApplication.packageName, className); 6766 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 6767 sourceUserId); 6768 if (!targetIsProfile) { 6769 forwardingActivityInfo.showUserIcon = targetUserId; 6770 forwardingResolveInfo.noResourceId = true; 6771 } 6772 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 6773 forwardingResolveInfo.priority = 0; 6774 forwardingResolveInfo.preferredOrder = 0; 6775 forwardingResolveInfo.match = 0; 6776 forwardingResolveInfo.isDefault = true; 6777 forwardingResolveInfo.filter = filter; 6778 forwardingResolveInfo.targetUserId = targetUserId; 6779 return forwardingResolveInfo; 6780 } 6781 6782 @Override 6783 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 6784 Intent[] specifics, String[] specificTypes, Intent intent, 6785 String resolvedType, int flags, int userId) { 6786 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 6787 specificTypes, intent, resolvedType, flags, userId)); 6788 } 6789 6790 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 6791 Intent[] specifics, String[] specificTypes, Intent intent, 6792 String resolvedType, int flags, int userId) { 6793 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6794 flags = updateFlagsForResolve(flags, userId, intent, false); 6795 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6796 false /* requireFullPermission */, false /* checkShell */, 6797 "query intent activity options"); 6798 final String resultsAction = intent.getAction(); 6799 6800 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 6801 | PackageManager.GET_RESOLVED_FILTER, userId); 6802 6803 if (DEBUG_INTENT_MATCHING) { 6804 Log.v(TAG, "Query " + intent + ": " + results); 6805 } 6806 6807 int specificsPos = 0; 6808 int N; 6809 6810 // todo: note that the algorithm used here is O(N^2). This 6811 // isn't a problem in our current environment, but if we start running 6812 // into situations where we have more than 5 or 10 matches then this 6813 // should probably be changed to something smarter... 6814 6815 // First we go through and resolve each of the specific items 6816 // that were supplied, taking care of removing any corresponding 6817 // duplicate items in the generic resolve list. 6818 if (specifics != null) { 6819 for (int i=0; i<specifics.length; i++) { 6820 final Intent sintent = specifics[i]; 6821 if (sintent == null) { 6822 continue; 6823 } 6824 6825 if (DEBUG_INTENT_MATCHING) { 6826 Log.v(TAG, "Specific #" + i + ": " + sintent); 6827 } 6828 6829 String action = sintent.getAction(); 6830 if (resultsAction != null && resultsAction.equals(action)) { 6831 // If this action was explicitly requested, then don't 6832 // remove things that have it. 6833 action = null; 6834 } 6835 6836 ResolveInfo ri = null; 6837 ActivityInfo ai = null; 6838 6839 ComponentName comp = sintent.getComponent(); 6840 if (comp == null) { 6841 ri = resolveIntent( 6842 sintent, 6843 specificTypes != null ? specificTypes[i] : null, 6844 flags, userId); 6845 if (ri == null) { 6846 continue; 6847 } 6848 if (ri == mResolveInfo) { 6849 // ACK! Must do something better with this. 6850 } 6851 ai = ri.activityInfo; 6852 comp = new ComponentName(ai.applicationInfo.packageName, 6853 ai.name); 6854 } else { 6855 ai = getActivityInfo(comp, flags, userId); 6856 if (ai == null) { 6857 continue; 6858 } 6859 } 6860 6861 // Look for any generic query activities that are duplicates 6862 // of this specific one, and remove them from the results. 6863 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6864 N = results.size(); 6865 int j; 6866 for (j=specificsPos; j<N; j++) { 6867 ResolveInfo sri = results.get(j); 6868 if ((sri.activityInfo.name.equals(comp.getClassName()) 6869 && sri.activityInfo.applicationInfo.packageName.equals( 6870 comp.getPackageName())) 6871 || (action != null && sri.filter.matchAction(action))) { 6872 results.remove(j); 6873 if (DEBUG_INTENT_MATCHING) Log.v( 6874 TAG, "Removing duplicate item from " + j 6875 + " due to specific " + specificsPos); 6876 if (ri == null) { 6877 ri = sri; 6878 } 6879 j--; 6880 N--; 6881 } 6882 } 6883 6884 // Add this specific item to its proper place. 6885 if (ri == null) { 6886 ri = new ResolveInfo(); 6887 ri.activityInfo = ai; 6888 } 6889 results.add(specificsPos, ri); 6890 ri.specificIndex = i; 6891 specificsPos++; 6892 } 6893 } 6894 6895 // Now we go through the remaining generic results and remove any 6896 // duplicate actions that are found here. 6897 N = results.size(); 6898 for (int i=specificsPos; i<N-1; i++) { 6899 final ResolveInfo rii = results.get(i); 6900 if (rii.filter == null) { 6901 continue; 6902 } 6903 6904 // Iterate over all of the actions of this result's intent 6905 // filter... typically this should be just one. 6906 final Iterator<String> it = rii.filter.actionsIterator(); 6907 if (it == null) { 6908 continue; 6909 } 6910 while (it.hasNext()) { 6911 final String action = it.next(); 6912 if (resultsAction != null && resultsAction.equals(action)) { 6913 // If this action was explicitly requested, then don't 6914 // remove things that have it. 6915 continue; 6916 } 6917 for (int j=i+1; j<N; j++) { 6918 final ResolveInfo rij = results.get(j); 6919 if (rij.filter != null && rij.filter.hasAction(action)) { 6920 results.remove(j); 6921 if (DEBUG_INTENT_MATCHING) Log.v( 6922 TAG, "Removing duplicate item from " + j 6923 + " due to action " + action + " at " + i); 6924 j--; 6925 N--; 6926 } 6927 } 6928 } 6929 6930 // If the caller didn't request filter information, drop it now 6931 // so we don't have to marshall/unmarshall it. 6932 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6933 rii.filter = null; 6934 } 6935 } 6936 6937 // Filter out the caller activity if so requested. 6938 if (caller != null) { 6939 N = results.size(); 6940 for (int i=0; i<N; i++) { 6941 ActivityInfo ainfo = results.get(i).activityInfo; 6942 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6943 && caller.getClassName().equals(ainfo.name)) { 6944 results.remove(i); 6945 break; 6946 } 6947 } 6948 } 6949 6950 // If the caller didn't request filter information, 6951 // drop them now so we don't have to 6952 // marshall/unmarshall it. 6953 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6954 N = results.size(); 6955 for (int i=0; i<N; i++) { 6956 results.get(i).filter = null; 6957 } 6958 } 6959 6960 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6961 return results; 6962 } 6963 6964 @Override 6965 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6966 String resolvedType, int flags, int userId) { 6967 return new ParceledListSlice<>( 6968 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6969 } 6970 6971 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6972 String resolvedType, int flags, int userId) { 6973 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6974 flags = updateFlagsForResolve(flags, userId, intent, false); 6975 ComponentName comp = intent.getComponent(); 6976 if (comp == null) { 6977 if (intent.getSelector() != null) { 6978 intent = intent.getSelector(); 6979 comp = intent.getComponent(); 6980 } 6981 } 6982 if (comp != null) { 6983 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6984 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6985 if (ai != null) { 6986 ResolveInfo ri = new ResolveInfo(); 6987 ri.activityInfo = ai; 6988 list.add(ri); 6989 } 6990 return list; 6991 } 6992 6993 // reader 6994 synchronized (mPackages) { 6995 String pkgName = intent.getPackage(); 6996 if (pkgName == null) { 6997 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6998 } 6999 final PackageParser.Package pkg = mPackages.get(pkgName); 7000 if (pkg != null) { 7001 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 7002 userId); 7003 } 7004 return Collections.emptyList(); 7005 } 7006 } 7007 7008 @Override 7009 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 7010 if (!sUserManager.exists(userId)) return null; 7011 flags = updateFlagsForResolve(flags, userId, intent, false); 7012 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 7013 if (query != null) { 7014 if (query.size() >= 1) { 7015 // If there is more than one service with the same priority, 7016 // just arbitrarily pick the first one. 7017 return query.get(0); 7018 } 7019 } 7020 return null; 7021 } 7022 7023 @Override 7024 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 7025 String resolvedType, int flags, int userId) { 7026 return new ParceledListSlice<>( 7027 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 7028 } 7029 7030 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 7031 String resolvedType, int flags, int userId) { 7032 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7033 flags = updateFlagsForResolve(flags, userId, intent, false); 7034 ComponentName comp = intent.getComponent(); 7035 if (comp == null) { 7036 if (intent.getSelector() != null) { 7037 intent = intent.getSelector(); 7038 comp = intent.getComponent(); 7039 } 7040 } 7041 if (comp != null) { 7042 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7043 final ServiceInfo si = getServiceInfo(comp, flags, userId); 7044 if (si != null) { 7045 final ResolveInfo ri = new ResolveInfo(); 7046 ri.serviceInfo = si; 7047 list.add(ri); 7048 } 7049 return list; 7050 } 7051 7052 // reader 7053 synchronized (mPackages) { 7054 String pkgName = intent.getPackage(); 7055 if (pkgName == null) { 7056 return mServices.queryIntent(intent, resolvedType, flags, userId); 7057 } 7058 final PackageParser.Package pkg = mPackages.get(pkgName); 7059 if (pkg != null) { 7060 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 7061 userId); 7062 } 7063 return Collections.emptyList(); 7064 } 7065 } 7066 7067 @Override 7068 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 7069 String resolvedType, int flags, int userId) { 7070 return new ParceledListSlice<>( 7071 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 7072 } 7073 7074 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 7075 Intent intent, String resolvedType, int flags, int userId) { 7076 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7077 flags = updateFlagsForResolve(flags, userId, intent, false); 7078 ComponentName comp = intent.getComponent(); 7079 if (comp == null) { 7080 if (intent.getSelector() != null) { 7081 intent = intent.getSelector(); 7082 comp = intent.getComponent(); 7083 } 7084 } 7085 if (comp != null) { 7086 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7087 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 7088 if (pi != null) { 7089 final ResolveInfo ri = new ResolveInfo(); 7090 ri.providerInfo = pi; 7091 list.add(ri); 7092 } 7093 return list; 7094 } 7095 7096 // reader 7097 synchronized (mPackages) { 7098 String pkgName = intent.getPackage(); 7099 if (pkgName == null) { 7100 return mProviders.queryIntent(intent, resolvedType, flags, userId); 7101 } 7102 final PackageParser.Package pkg = mPackages.get(pkgName); 7103 if (pkg != null) { 7104 return mProviders.queryIntentForPackage( 7105 intent, resolvedType, flags, pkg.providers, userId); 7106 } 7107 return Collections.emptyList(); 7108 } 7109 } 7110 7111 @Override 7112 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 7113 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7114 flags = updateFlagsForPackage(flags, userId, null); 7115 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7116 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7117 true /* requireFullPermission */, false /* checkShell */, 7118 "get installed packages"); 7119 7120 // writer 7121 synchronized (mPackages) { 7122 ArrayList<PackageInfo> list; 7123 if (listUninstalled) { 7124 list = new ArrayList<>(mSettings.mPackages.size()); 7125 for (PackageSetting ps : mSettings.mPackages.values()) { 7126 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7127 continue; 7128 } 7129 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7130 if (pi != null) { 7131 list.add(pi); 7132 } 7133 } 7134 } else { 7135 list = new ArrayList<>(mPackages.size()); 7136 for (PackageParser.Package p : mPackages.values()) { 7137 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 7138 Binder.getCallingUid(), userId)) { 7139 continue; 7140 } 7141 final PackageInfo pi = generatePackageInfo((PackageSetting) 7142 p.mExtras, flags, userId); 7143 if (pi != null) { 7144 list.add(pi); 7145 } 7146 } 7147 } 7148 7149 return new ParceledListSlice<>(list); 7150 } 7151 } 7152 7153 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 7154 String[] permissions, boolean[] tmp, int flags, int userId) { 7155 int numMatch = 0; 7156 final PermissionsState permissionsState = ps.getPermissionsState(); 7157 for (int i=0; i<permissions.length; i++) { 7158 final String permission = permissions[i]; 7159 if (permissionsState.hasPermission(permission, userId)) { 7160 tmp[i] = true; 7161 numMatch++; 7162 } else { 7163 tmp[i] = false; 7164 } 7165 } 7166 if (numMatch == 0) { 7167 return; 7168 } 7169 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7170 7171 // The above might return null in cases of uninstalled apps or install-state 7172 // skew across users/profiles. 7173 if (pi != null) { 7174 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 7175 if (numMatch == permissions.length) { 7176 pi.requestedPermissions = permissions; 7177 } else { 7178 pi.requestedPermissions = new String[numMatch]; 7179 numMatch = 0; 7180 for (int i=0; i<permissions.length; i++) { 7181 if (tmp[i]) { 7182 pi.requestedPermissions[numMatch] = permissions[i]; 7183 numMatch++; 7184 } 7185 } 7186 } 7187 } 7188 list.add(pi); 7189 } 7190 } 7191 7192 @Override 7193 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 7194 String[] permissions, int flags, int userId) { 7195 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7196 flags = updateFlagsForPackage(flags, userId, permissions); 7197 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7198 true /* requireFullPermission */, false /* checkShell */, 7199 "get packages holding permissions"); 7200 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7201 7202 // writer 7203 synchronized (mPackages) { 7204 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 7205 boolean[] tmpBools = new boolean[permissions.length]; 7206 if (listUninstalled) { 7207 for (PackageSetting ps : mSettings.mPackages.values()) { 7208 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7209 userId); 7210 } 7211 } else { 7212 for (PackageParser.Package pkg : mPackages.values()) { 7213 PackageSetting ps = (PackageSetting)pkg.mExtras; 7214 if (ps != null) { 7215 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7216 userId); 7217 } 7218 } 7219 } 7220 7221 return new ParceledListSlice<PackageInfo>(list); 7222 } 7223 } 7224 7225 @Override 7226 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 7227 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7228 flags = updateFlagsForApplication(flags, userId, null); 7229 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7230 7231 // writer 7232 synchronized (mPackages) { 7233 ArrayList<ApplicationInfo> list; 7234 if (listUninstalled) { 7235 list = new ArrayList<>(mSettings.mPackages.size()); 7236 for (PackageSetting ps : mSettings.mPackages.values()) { 7237 ApplicationInfo ai; 7238 int effectiveFlags = flags; 7239 if (ps.isSystem()) { 7240 effectiveFlags |= PackageManager.MATCH_ANY_USER; 7241 } 7242 if (ps.pkg != null) { 7243 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7244 continue; 7245 } 7246 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 7247 ps.readUserState(userId), userId); 7248 if (ai != null) { 7249 rebaseEnabledOverlays(ai, userId); 7250 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 7251 } 7252 } else { 7253 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 7254 // and already converts to externally visible package name 7255 ai = generateApplicationInfoFromSettingsLPw(ps.name, 7256 Binder.getCallingUid(), effectiveFlags, userId); 7257 } 7258 if (ai != null) { 7259 list.add(ai); 7260 } 7261 } 7262 } else { 7263 list = new ArrayList<>(mPackages.size()); 7264 for (PackageParser.Package p : mPackages.values()) { 7265 if (p.mExtras != null) { 7266 PackageSetting ps = (PackageSetting) p.mExtras; 7267 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7268 continue; 7269 } 7270 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7271 ps.readUserState(userId), userId); 7272 if (ai != null) { 7273 rebaseEnabledOverlays(ai, userId); 7274 ai.packageName = resolveExternalPackageNameLPr(p); 7275 list.add(ai); 7276 } 7277 } 7278 } 7279 } 7280 7281 return new ParceledListSlice<>(list); 7282 } 7283 } 7284 7285 @Override 7286 public ParceledListSlice<InstantAppInfo> getInstantApps(int userId) { 7287 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7288 return null; 7289 } 7290 7291 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7292 "getEphemeralApplications"); 7293 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7294 true /* requireFullPermission */, false /* checkShell */, 7295 "getEphemeralApplications"); 7296 synchronized (mPackages) { 7297 List<InstantAppInfo> instantApps = mInstantAppRegistry 7298 .getInstantAppsLPr(userId); 7299 if (instantApps != null) { 7300 return new ParceledListSlice<>(instantApps); 7301 } 7302 } 7303 return null; 7304 } 7305 7306 @Override 7307 public boolean isInstantApp(String packageName, int userId) { 7308 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7309 true /* requireFullPermission */, false /* checkShell */, 7310 "isInstantApp"); 7311 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7312 return false; 7313 } 7314 7315 synchronized (mPackages) { 7316 final PackageSetting ps = mSettings.mPackages.get(packageName); 7317 final boolean returnAllowed = 7318 ps != null 7319 && (isCallerSameApp(packageName) 7320 || mContext.checkCallingOrSelfPermission( 7321 android.Manifest.permission.ACCESS_INSTANT_APPS) 7322 == PERMISSION_GRANTED 7323 || mInstantAppRegistry.isInstantAccessGranted( 7324 userId, UserHandle.getAppId(Binder.getCallingUid()), ps.appId)); 7325 if (returnAllowed) { 7326 return ps.getInstantApp(userId); 7327 } 7328 } 7329 return false; 7330 } 7331 7332 @Override 7333 public byte[] getInstantAppCookie(String packageName, int userId) { 7334 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7335 return null; 7336 } 7337 7338 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7339 true /* requireFullPermission */, false /* checkShell */, 7340 "getInstantAppCookie"); 7341 if (!isCallerSameApp(packageName)) { 7342 return null; 7343 } 7344 synchronized (mPackages) { 7345 return mInstantAppRegistry.getInstantAppCookieLPw( 7346 packageName, userId); 7347 } 7348 } 7349 7350 @Override 7351 public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) { 7352 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7353 return true; 7354 } 7355 7356 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7357 true /* requireFullPermission */, true /* checkShell */, 7358 "setInstantAppCookie"); 7359 if (!isCallerSameApp(packageName)) { 7360 return false; 7361 } 7362 synchronized (mPackages) { 7363 return mInstantAppRegistry.setInstantAppCookieLPw( 7364 packageName, cookie, userId); 7365 } 7366 } 7367 7368 @Override 7369 public Bitmap getInstantAppIcon(String packageName, int userId) { 7370 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7371 return null; 7372 } 7373 7374 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7375 "getInstantAppIcon"); 7376 7377 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7378 true /* requireFullPermission */, false /* checkShell */, 7379 "getInstantAppIcon"); 7380 7381 synchronized (mPackages) { 7382 return mInstantAppRegistry.getInstantAppIconLPw( 7383 packageName, userId); 7384 } 7385 } 7386 7387 private boolean isCallerSameApp(String packageName) { 7388 PackageParser.Package pkg = mPackages.get(packageName); 7389 return pkg != null 7390 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 7391 } 7392 7393 @Override 7394 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 7395 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 7396 } 7397 7398 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 7399 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 7400 7401 // reader 7402 synchronized (mPackages) { 7403 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 7404 final int userId = UserHandle.getCallingUserId(); 7405 while (i.hasNext()) { 7406 final PackageParser.Package p = i.next(); 7407 if (p.applicationInfo == null) continue; 7408 7409 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 7410 && !p.applicationInfo.isDirectBootAware(); 7411 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 7412 && p.applicationInfo.isDirectBootAware(); 7413 7414 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 7415 && (!mSafeMode || isSystemApp(p)) 7416 && (matchesUnaware || matchesAware)) { 7417 PackageSetting ps = mSettings.mPackages.get(p.packageName); 7418 if (ps != null) { 7419 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7420 ps.readUserState(userId), userId); 7421 if (ai != null) { 7422 rebaseEnabledOverlays(ai, userId); 7423 finalList.add(ai); 7424 } 7425 } 7426 } 7427 } 7428 } 7429 7430 return finalList; 7431 } 7432 7433 @Override 7434 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 7435 if (!sUserManager.exists(userId)) return null; 7436 flags = updateFlagsForComponent(flags, userId, name); 7437 // reader 7438 synchronized (mPackages) { 7439 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 7440 PackageSetting ps = provider != null 7441 ? mSettings.mPackages.get(provider.owner.packageName) 7442 : null; 7443 return ps != null 7444 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 7445 ? PackageParser.generateProviderInfo(provider, flags, 7446 ps.readUserState(userId), userId) 7447 : null; 7448 } 7449 } 7450 7451 /** 7452 * @deprecated 7453 */ 7454 @Deprecated 7455 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 7456 // reader 7457 synchronized (mPackages) { 7458 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 7459 .entrySet().iterator(); 7460 final int userId = UserHandle.getCallingUserId(); 7461 while (i.hasNext()) { 7462 Map.Entry<String, PackageParser.Provider> entry = i.next(); 7463 PackageParser.Provider p = entry.getValue(); 7464 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7465 7466 if (ps != null && p.syncable 7467 && (!mSafeMode || (p.info.applicationInfo.flags 7468 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 7469 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 7470 ps.readUserState(userId), userId); 7471 if (info != null) { 7472 outNames.add(entry.getKey()); 7473 outInfo.add(info); 7474 } 7475 } 7476 } 7477 } 7478 } 7479 7480 @Override 7481 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 7482 int uid, int flags, String metaDataKey) { 7483 final int userId = processName != null ? UserHandle.getUserId(uid) 7484 : UserHandle.getCallingUserId(); 7485 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7486 flags = updateFlagsForComponent(flags, userId, processName); 7487 7488 ArrayList<ProviderInfo> finalList = null; 7489 // reader 7490 synchronized (mPackages) { 7491 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 7492 while (i.hasNext()) { 7493 final PackageParser.Provider p = i.next(); 7494 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7495 if (ps != null && p.info.authority != null 7496 && (processName == null 7497 || (p.info.processName.equals(processName) 7498 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 7499 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 7500 7501 // See PM.queryContentProviders()'s javadoc for why we have the metaData 7502 // parameter. 7503 if (metaDataKey != null 7504 && (p.metaData == null || !p.metaData.containsKey(metaDataKey))) { 7505 continue; 7506 } 7507 7508 if (finalList == null) { 7509 finalList = new ArrayList<ProviderInfo>(3); 7510 } 7511 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 7512 ps.readUserState(userId), userId); 7513 if (info != null) { 7514 finalList.add(info); 7515 } 7516 } 7517 } 7518 } 7519 7520 if (finalList != null) { 7521 Collections.sort(finalList, mProviderInitOrderSorter); 7522 return new ParceledListSlice<ProviderInfo>(finalList); 7523 } 7524 7525 return ParceledListSlice.emptyList(); 7526 } 7527 7528 @Override 7529 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 7530 // reader 7531 synchronized (mPackages) { 7532 final PackageParser.Instrumentation i = mInstrumentation.get(name); 7533 return PackageParser.generateInstrumentationInfo(i, flags); 7534 } 7535 } 7536 7537 @Override 7538 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 7539 String targetPackage, int flags) { 7540 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 7541 } 7542 7543 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 7544 int flags) { 7545 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 7546 7547 // reader 7548 synchronized (mPackages) { 7549 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 7550 while (i.hasNext()) { 7551 final PackageParser.Instrumentation p = i.next(); 7552 if (targetPackage == null 7553 || targetPackage.equals(p.info.targetPackage)) { 7554 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 7555 flags); 7556 if (ii != null) { 7557 finalList.add(ii); 7558 } 7559 } 7560 } 7561 } 7562 7563 return finalList; 7564 } 7565 7566 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 7567 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 7568 try { 7569 scanDirLI(dir, parseFlags, scanFlags, currentTime); 7570 } finally { 7571 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7572 } 7573 } 7574 7575 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 7576 final File[] files = dir.listFiles(); 7577 if (ArrayUtils.isEmpty(files)) { 7578 Log.d(TAG, "No files in app dir " + dir); 7579 return; 7580 } 7581 7582 if (DEBUG_PACKAGE_SCANNING) { 7583 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 7584 + " flags=0x" + Integer.toHexString(parseFlags)); 7585 } 7586 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 7587 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir, mPackageParserCallback); 7588 7589 // Submit files for parsing in parallel 7590 int fileCount = 0; 7591 for (File file : files) { 7592 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 7593 && !PackageInstallerService.isStageName(file.getName()); 7594 if (!isPackage) { 7595 // Ignore entries which are not packages 7596 continue; 7597 } 7598 parallelPackageParser.submit(file, parseFlags); 7599 fileCount++; 7600 } 7601 7602 // Process results one by one 7603 for (; fileCount > 0; fileCount--) { 7604 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 7605 Throwable throwable = parseResult.throwable; 7606 int errorCode = PackageManager.INSTALL_SUCCEEDED; 7607 7608 if (throwable == null) { 7609 // Static shared libraries have synthetic package names 7610 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 7611 renameStaticSharedLibraryPackage(parseResult.pkg); 7612 } 7613 try { 7614 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 7615 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 7616 currentTime, null); 7617 } 7618 } catch (PackageManagerException e) { 7619 errorCode = e.error; 7620 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 7621 } 7622 } else if (throwable instanceof PackageParser.PackageParserException) { 7623 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 7624 throwable; 7625 errorCode = e.error; 7626 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 7627 } else { 7628 throw new IllegalStateException("Unexpected exception occurred while parsing " 7629 + parseResult.scanFile, throwable); 7630 } 7631 7632 // Delete invalid userdata apps 7633 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 7634 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 7635 logCriticalInfo(Log.WARN, 7636 "Deleting invalid package at " + parseResult.scanFile); 7637 removeCodePathLI(parseResult.scanFile); 7638 } 7639 } 7640 parallelPackageParser.close(); 7641 } 7642 7643 private static File getSettingsProblemFile() { 7644 File dataDir = Environment.getDataDirectory(); 7645 File systemDir = new File(dataDir, "system"); 7646 File fname = new File(systemDir, "uiderrors.txt"); 7647 return fname; 7648 } 7649 7650 static void reportSettingsProblem(int priority, String msg) { 7651 logCriticalInfo(priority, msg); 7652 } 7653 7654 public static void logCriticalInfo(int priority, String msg) { 7655 Slog.println(priority, TAG, msg); 7656 EventLogTags.writePmCriticalInfo(msg); 7657 try { 7658 File fname = getSettingsProblemFile(); 7659 FileOutputStream out = new FileOutputStream(fname, true); 7660 PrintWriter pw = new FastPrintWriter(out); 7661 SimpleDateFormat formatter = new SimpleDateFormat(); 7662 String dateString = formatter.format(new Date(System.currentTimeMillis())); 7663 pw.println(dateString + ": " + msg); 7664 pw.close(); 7665 FileUtils.setPermissions( 7666 fname.toString(), 7667 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 7668 -1, -1); 7669 } catch (java.io.IOException e) { 7670 } 7671 } 7672 7673 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 7674 if (srcFile.isDirectory()) { 7675 final File baseFile = new File(pkg.baseCodePath); 7676 long maxModifiedTime = baseFile.lastModified(); 7677 if (pkg.splitCodePaths != null) { 7678 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 7679 final File splitFile = new File(pkg.splitCodePaths[i]); 7680 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 7681 } 7682 } 7683 return maxModifiedTime; 7684 } 7685 return srcFile.lastModified(); 7686 } 7687 7688 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 7689 final int policyFlags) throws PackageManagerException { 7690 // When upgrading from pre-N MR1, verify the package time stamp using the package 7691 // directory and not the APK file. 7692 final long lastModifiedTime = mIsPreNMR1Upgrade 7693 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 7694 if (ps != null 7695 && ps.codePath.equals(srcFile) 7696 && ps.timeStamp == lastModifiedTime 7697 && !isCompatSignatureUpdateNeeded(pkg) 7698 && !isRecoverSignatureUpdateNeeded(pkg)) { 7699 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 7700 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7701 ArraySet<PublicKey> signingKs; 7702 synchronized (mPackages) { 7703 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 7704 } 7705 if (ps.signatures.mSignatures != null 7706 && ps.signatures.mSignatures.length != 0 7707 && signingKs != null) { 7708 // Optimization: reuse the existing cached certificates 7709 // if the package appears to be unchanged. 7710 pkg.mSignatures = ps.signatures.mSignatures; 7711 pkg.mSigningKeys = signingKs; 7712 return; 7713 } 7714 7715 Slog.w(TAG, "PackageSetting for " + ps.name 7716 + " is missing signatures. Collecting certs again to recover them."); 7717 } else { 7718 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 7719 } 7720 7721 try { 7722 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 7723 PackageParser.collectCertificates(pkg, policyFlags); 7724 } catch (PackageParserException e) { 7725 throw PackageManagerException.from(e); 7726 } finally { 7727 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7728 } 7729 } 7730 7731 /** 7732 * Traces a package scan. 7733 * @see #scanPackageLI(File, int, int, long, UserHandle) 7734 */ 7735 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 7736 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7737 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 7738 try { 7739 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 7740 } finally { 7741 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7742 } 7743 } 7744 7745 /** 7746 * Scans a package and returns the newly parsed package. 7747 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 7748 */ 7749 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 7750 long currentTime, UserHandle user) throws PackageManagerException { 7751 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 7752 PackageParser pp = new PackageParser(); 7753 pp.setSeparateProcesses(mSeparateProcesses); 7754 pp.setOnlyCoreApps(mOnlyCore); 7755 pp.setDisplayMetrics(mMetrics); 7756 pp.setCallback(mPackageParserCallback); 7757 7758 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 7759 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 7760 } 7761 7762 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 7763 final PackageParser.Package pkg; 7764 try { 7765 pkg = pp.parsePackage(scanFile, parseFlags); 7766 } catch (PackageParserException e) { 7767 throw PackageManagerException.from(e); 7768 } finally { 7769 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7770 } 7771 7772 // Static shared libraries have synthetic package names 7773 if (pkg.applicationInfo.isStaticSharedLibrary()) { 7774 renameStaticSharedLibraryPackage(pkg); 7775 } 7776 7777 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 7778 } 7779 7780 /** 7781 * Scans a package and returns the newly parsed package. 7782 * @throws PackageManagerException on a parse error. 7783 */ 7784 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 7785 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 7786 throws PackageManagerException { 7787 // If the package has children and this is the first dive in the function 7788 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 7789 // packages (parent and children) would be successfully scanned before the 7790 // actual scan since scanning mutates internal state and we want to atomically 7791 // install the package and its children. 7792 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7793 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7794 scanFlags |= SCAN_CHECK_ONLY; 7795 } 7796 } else { 7797 scanFlags &= ~SCAN_CHECK_ONLY; 7798 } 7799 7800 // Scan the parent 7801 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 7802 scanFlags, currentTime, user); 7803 7804 // Scan the children 7805 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7806 for (int i = 0; i < childCount; i++) { 7807 PackageParser.Package childPackage = pkg.childPackages.get(i); 7808 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 7809 currentTime, user); 7810 } 7811 7812 7813 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7814 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 7815 } 7816 7817 return scannedPkg; 7818 } 7819 7820 /** 7821 * Scans a package and returns the newly parsed package. 7822 * @throws PackageManagerException on a parse error. 7823 */ 7824 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 7825 int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 7826 throws PackageManagerException { 7827 PackageSetting ps = null; 7828 PackageSetting updatedPkg; 7829 // reader 7830 synchronized (mPackages) { 7831 // Look to see if we already know about this package. 7832 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 7833 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 7834 // This package has been renamed to its original name. Let's 7835 // use that. 7836 ps = mSettings.getPackageLPr(oldName); 7837 } 7838 // If there was no original package, see one for the real package name. 7839 if (ps == null) { 7840 ps = mSettings.getPackageLPr(pkg.packageName); 7841 } 7842 // Check to see if this package could be hiding/updating a system 7843 // package. Must look for it either under the original or real 7844 // package name depending on our state. 7845 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 7846 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 7847 7848 // If this is a package we don't know about on the system partition, we 7849 // may need to remove disabled child packages on the system partition 7850 // or may need to not add child packages if the parent apk is updated 7851 // on the data partition and no longer defines this child package. 7852 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7853 // If this is a parent package for an updated system app and this system 7854 // app got an OTA update which no longer defines some of the child packages 7855 // we have to prune them from the disabled system packages. 7856 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 7857 if (disabledPs != null) { 7858 final int scannedChildCount = (pkg.childPackages != null) 7859 ? pkg.childPackages.size() : 0; 7860 final int disabledChildCount = disabledPs.childPackageNames != null 7861 ? disabledPs.childPackageNames.size() : 0; 7862 for (int i = 0; i < disabledChildCount; i++) { 7863 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 7864 boolean disabledPackageAvailable = false; 7865 for (int j = 0; j < scannedChildCount; j++) { 7866 PackageParser.Package childPkg = pkg.childPackages.get(j); 7867 if (childPkg.packageName.equals(disabledChildPackageName)) { 7868 disabledPackageAvailable = true; 7869 break; 7870 } 7871 } 7872 if (!disabledPackageAvailable) { 7873 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 7874 } 7875 } 7876 } 7877 } 7878 } 7879 7880 boolean updatedPkgBetter = false; 7881 // First check if this is a system package that may involve an update 7882 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7883 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7884 // it needs to drop FLAG_PRIVILEGED. 7885 if (locationIsPrivileged(scanFile)) { 7886 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7887 } else { 7888 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7889 } 7890 7891 if (ps != null && !ps.codePath.equals(scanFile)) { 7892 // The path has changed from what was last scanned... check the 7893 // version of the new path against what we have stored to determine 7894 // what to do. 7895 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7896 if (pkg.mVersionCode <= ps.versionCode) { 7897 // The system package has been updated and the code path does not match 7898 // Ignore entry. Skip it. 7899 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7900 + " ignored: updated version " + ps.versionCode 7901 + " better than this " + pkg.mVersionCode); 7902 if (!updatedPkg.codePath.equals(scanFile)) { 7903 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7904 + ps.name + " changing from " + updatedPkg.codePathString 7905 + " to " + scanFile); 7906 updatedPkg.codePath = scanFile; 7907 updatedPkg.codePathString = scanFile.toString(); 7908 updatedPkg.resourcePath = scanFile; 7909 updatedPkg.resourcePathString = scanFile.toString(); 7910 } 7911 updatedPkg.pkg = pkg; 7912 updatedPkg.versionCode = pkg.mVersionCode; 7913 7914 // Update the disabled system child packages to point to the package too. 7915 final int childCount = updatedPkg.childPackageNames != null 7916 ? updatedPkg.childPackageNames.size() : 0; 7917 for (int i = 0; i < childCount; i++) { 7918 String childPackageName = updatedPkg.childPackageNames.get(i); 7919 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7920 childPackageName); 7921 if (updatedChildPkg != null) { 7922 updatedChildPkg.pkg = pkg; 7923 updatedChildPkg.versionCode = pkg.mVersionCode; 7924 } 7925 } 7926 7927 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7928 + scanFile + " ignored: updated version " + ps.versionCode 7929 + " better than this " + pkg.mVersionCode); 7930 } else { 7931 // The current app on the system partition is better than 7932 // what we have updated to on the data partition; switch 7933 // back to the system partition version. 7934 // At this point, its safely assumed that package installation for 7935 // apps in system partition will go through. If not there won't be a working 7936 // version of the app 7937 // writer 7938 synchronized (mPackages) { 7939 // Just remove the loaded entries from package lists. 7940 mPackages.remove(ps.name); 7941 } 7942 7943 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7944 + " reverting from " + ps.codePathString 7945 + ": new version " + pkg.mVersionCode 7946 + " better than installed " + ps.versionCode); 7947 7948 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7949 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7950 synchronized (mInstallLock) { 7951 args.cleanUpResourcesLI(); 7952 } 7953 synchronized (mPackages) { 7954 mSettings.enableSystemPackageLPw(ps.name); 7955 } 7956 updatedPkgBetter = true; 7957 } 7958 } 7959 } 7960 7961 if (updatedPkg != null) { 7962 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7963 // initially 7964 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7965 7966 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7967 // flag set initially 7968 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7969 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7970 } 7971 } 7972 7973 // Verify certificates against what was last scanned 7974 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7975 7976 /* 7977 * A new system app appeared, but we already had a non-system one of the 7978 * same name installed earlier. 7979 */ 7980 boolean shouldHideSystemApp = false; 7981 if (updatedPkg == null && ps != null 7982 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7983 /* 7984 * Check to make sure the signatures match first. If they don't, 7985 * wipe the installed application and its data. 7986 */ 7987 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7988 != PackageManager.SIGNATURE_MATCH) { 7989 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7990 + " signatures don't match existing userdata copy; removing"); 7991 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7992 "scanPackageInternalLI")) { 7993 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7994 } 7995 ps = null; 7996 } else { 7997 /* 7998 * If the newly-added system app is an older version than the 7999 * already installed version, hide it. It will be scanned later 8000 * and re-added like an update. 8001 */ 8002 if (pkg.mVersionCode <= ps.versionCode) { 8003 shouldHideSystemApp = true; 8004 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 8005 + " but new version " + pkg.mVersionCode + " better than installed " 8006 + ps.versionCode + "; hiding system"); 8007 } else { 8008 /* 8009 * The newly found system app is a newer version that the 8010 * one previously installed. Simply remove the 8011 * already-installed application and replace it with our own 8012 * while keeping the application data. 8013 */ 8014 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 8015 + " reverting from " + ps.codePathString + ": new version " 8016 + pkg.mVersionCode + " better than installed " + ps.versionCode); 8017 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 8018 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 8019 synchronized (mInstallLock) { 8020 args.cleanUpResourcesLI(); 8021 } 8022 } 8023 } 8024 } 8025 8026 // The apk is forward locked (not public) if its code and resources 8027 // are kept in different files. (except for app in either system or 8028 // vendor path). 8029 // TODO grab this value from PackageSettings 8030 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8031 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 8032 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 8033 } 8034 } 8035 8036 // TODO: extend to support forward-locked splits 8037 String resourcePath = null; 8038 String baseResourcePath = null; 8039 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 8040 if (ps != null && ps.resourcePathString != null) { 8041 resourcePath = ps.resourcePathString; 8042 baseResourcePath = ps.resourcePathString; 8043 } else { 8044 // Should not happen at all. Just log an error. 8045 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 8046 } 8047 } else { 8048 resourcePath = pkg.codePath; 8049 baseResourcePath = pkg.baseCodePath; 8050 } 8051 8052 // Set application objects path explicitly. 8053 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 8054 pkg.setApplicationInfoCodePath(pkg.codePath); 8055 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 8056 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 8057 pkg.setApplicationInfoResourcePath(resourcePath); 8058 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 8059 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 8060 8061 final int userId = ((user == null) ? 0 : user.getIdentifier()); 8062 if (ps != null && ps.getInstantApp(userId)) { 8063 scanFlags |= SCAN_AS_INSTANT_APP; 8064 } 8065 8066 // Note that we invoke the following method only if we are about to unpack an application 8067 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 8068 | SCAN_UPDATE_SIGNATURE, currentTime, user); 8069 8070 /* 8071 * If the system app should be overridden by a previously installed 8072 * data, hide the system app now and let the /data/app scan pick it up 8073 * again. 8074 */ 8075 if (shouldHideSystemApp) { 8076 synchronized (mPackages) { 8077 mSettings.disableSystemPackageLPw(pkg.packageName, true); 8078 } 8079 } 8080 8081 return scannedPkg; 8082 } 8083 8084 private void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 8085 // Derive the new package synthetic package name 8086 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 8087 + pkg.staticSharedLibVersion); 8088 } 8089 8090 private static String fixProcessName(String defProcessName, 8091 String processName) { 8092 if (processName == null) { 8093 return defProcessName; 8094 } 8095 return processName; 8096 } 8097 8098 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 8099 throws PackageManagerException { 8100 if (pkgSetting.signatures.mSignatures != null) { 8101 // Already existing package. Make sure signatures match 8102 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 8103 == PackageManager.SIGNATURE_MATCH; 8104 if (!match) { 8105 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 8106 == PackageManager.SIGNATURE_MATCH; 8107 } 8108 if (!match) { 8109 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 8110 == PackageManager.SIGNATURE_MATCH; 8111 } 8112 if (!match) { 8113 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 8114 + pkg.packageName + " signatures do not match the " 8115 + "previously installed version; ignoring!"); 8116 } 8117 } 8118 8119 // Check for shared user signatures 8120 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 8121 // Already existing package. Make sure signatures match 8122 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8123 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 8124 if (!match) { 8125 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 8126 == PackageManager.SIGNATURE_MATCH; 8127 } 8128 if (!match) { 8129 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 8130 == PackageManager.SIGNATURE_MATCH; 8131 } 8132 if (!match) { 8133 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 8134 "Package " + pkg.packageName 8135 + " has no signatures that match those in shared user " 8136 + pkgSetting.sharedUser.name + "; ignoring!"); 8137 } 8138 } 8139 } 8140 8141 /** 8142 * Enforces that only the system UID or root's UID can call a method exposed 8143 * via Binder. 8144 * 8145 * @param message used as message if SecurityException is thrown 8146 * @throws SecurityException if the caller is not system or root 8147 */ 8148 private static final void enforceSystemOrRoot(String message) { 8149 final int uid = Binder.getCallingUid(); 8150 if (uid != Process.SYSTEM_UID && uid != 0) { 8151 throw new SecurityException(message); 8152 } 8153 } 8154 8155 @Override 8156 public void performFstrimIfNeeded() { 8157 enforceSystemOrRoot("Only the system can request fstrim"); 8158 8159 // Before everything else, see whether we need to fstrim. 8160 try { 8161 IStorageManager sm = PackageHelper.getStorageManager(); 8162 if (sm != null) { 8163 boolean doTrim = false; 8164 final long interval = android.provider.Settings.Global.getLong( 8165 mContext.getContentResolver(), 8166 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 8167 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 8168 if (interval > 0) { 8169 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 8170 if (timeSinceLast > interval) { 8171 doTrim = true; 8172 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 8173 + "; running immediately"); 8174 } 8175 } 8176 if (doTrim) { 8177 final boolean dexOptDialogShown; 8178 synchronized (mPackages) { 8179 dexOptDialogShown = mDexOptDialogShown; 8180 } 8181 if (!isFirstBoot() && dexOptDialogShown) { 8182 try { 8183 ActivityManager.getService().showBootMessage( 8184 mContext.getResources().getString( 8185 R.string.android_upgrading_fstrim), true); 8186 } catch (RemoteException e) { 8187 } 8188 } 8189 sm.runMaintenance(); 8190 } 8191 } else { 8192 Slog.e(TAG, "storageManager service unavailable!"); 8193 } 8194 } catch (RemoteException e) { 8195 // Can't happen; StorageManagerService is local 8196 } 8197 } 8198 8199 @Override 8200 public void updatePackagesIfNeeded() { 8201 enforceSystemOrRoot("Only the system can request package update"); 8202 8203 // We need to re-extract after an OTA. 8204 boolean causeUpgrade = isUpgrade(); 8205 8206 // First boot or factory reset. 8207 // Note: we also handle devices that are upgrading to N right now as if it is their 8208 // first boot, as they do not have profile data. 8209 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 8210 8211 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 8212 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 8213 8214 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 8215 return; 8216 } 8217 8218 List<PackageParser.Package> pkgs; 8219 synchronized (mPackages) { 8220 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 8221 } 8222 8223 final long startTime = System.nanoTime(); 8224 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 8225 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 8226 8227 final int elapsedTimeSeconds = 8228 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 8229 8230 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 8231 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 8232 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 8233 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 8234 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 8235 } 8236 8237 /** 8238 * Performs dexopt on the set of packages in {@code packages} and returns an int array 8239 * containing statistics about the invocation. The array consists of three elements, 8240 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 8241 * and {@code numberOfPackagesFailed}. 8242 */ 8243 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 8244 String compilerFilter) { 8245 8246 int numberOfPackagesVisited = 0; 8247 int numberOfPackagesOptimized = 0; 8248 int numberOfPackagesSkipped = 0; 8249 int numberOfPackagesFailed = 0; 8250 final int numberOfPackagesToDexopt = pkgs.size(); 8251 8252 for (PackageParser.Package pkg : pkgs) { 8253 numberOfPackagesVisited++; 8254 8255 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 8256 if (DEBUG_DEXOPT) { 8257 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 8258 } 8259 numberOfPackagesSkipped++; 8260 continue; 8261 } 8262 8263 if (DEBUG_DEXOPT) { 8264 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 8265 numberOfPackagesToDexopt + ": " + pkg.packageName); 8266 } 8267 8268 if (showDialog) { 8269 try { 8270 ActivityManager.getService().showBootMessage( 8271 mContext.getResources().getString(R.string.android_upgrading_apk, 8272 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 8273 } catch (RemoteException e) { 8274 } 8275 synchronized (mPackages) { 8276 mDexOptDialogShown = true; 8277 } 8278 } 8279 8280 // If the OTA updates a system app which was previously preopted to a non-preopted state 8281 // the app might end up being verified at runtime. That's because by default the apps 8282 // are verify-profile but for preopted apps there's no profile. 8283 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 8284 // that before the OTA the app was preopted) the app gets compiled with a non-profile 8285 // filter (by default interpret-only). 8286 // Note that at this stage unused apps are already filtered. 8287 if (isSystemApp(pkg) && 8288 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 8289 !Environment.getReferenceProfile(pkg.packageName).exists()) { 8290 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 8291 } 8292 8293 // checkProfiles is false to avoid merging profiles during boot which 8294 // might interfere with background compilation (b/28612421). 8295 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 8296 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 8297 // trade-off worth doing to save boot time work. 8298 int dexOptStatus = performDexOptTraced(pkg.packageName, 8299 false /* checkProfiles */, 8300 compilerFilter, 8301 false /* force */); 8302 switch (dexOptStatus) { 8303 case PackageDexOptimizer.DEX_OPT_PERFORMED: 8304 numberOfPackagesOptimized++; 8305 break; 8306 case PackageDexOptimizer.DEX_OPT_SKIPPED: 8307 numberOfPackagesSkipped++; 8308 break; 8309 case PackageDexOptimizer.DEX_OPT_FAILED: 8310 numberOfPackagesFailed++; 8311 break; 8312 default: 8313 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 8314 break; 8315 } 8316 } 8317 8318 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 8319 numberOfPackagesFailed }; 8320 } 8321 8322 @Override 8323 public void notifyPackageUse(String packageName, int reason) { 8324 synchronized (mPackages) { 8325 PackageParser.Package p = mPackages.get(packageName); 8326 if (p == null) { 8327 return; 8328 } 8329 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 8330 } 8331 } 8332 8333 @Override 8334 public void notifyDexLoad(String loadingPackageName, List<String> dexPaths, String loaderIsa) { 8335 int userId = UserHandle.getCallingUserId(); 8336 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 8337 if (ai == null) { 8338 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 8339 + loadingPackageName + ", user=" + userId); 8340 return; 8341 } 8342 mDexManager.notifyDexLoad(ai, dexPaths, loaderIsa, userId); 8343 } 8344 8345 // TODO: this is not used nor needed. Delete it. 8346 @Override 8347 public boolean performDexOptIfNeeded(String packageName) { 8348 int dexOptStatus = performDexOptTraced(packageName, 8349 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 8350 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8351 } 8352 8353 @Override 8354 public boolean performDexOpt(String packageName, 8355 boolean checkProfiles, int compileReason, boolean force) { 8356 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8357 getCompilerFilterForReason(compileReason), force); 8358 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8359 } 8360 8361 @Override 8362 public boolean performDexOptMode(String packageName, 8363 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8364 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8365 targetCompilerFilter, force); 8366 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8367 } 8368 8369 private int performDexOptTraced(String packageName, 8370 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8371 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8372 try { 8373 return performDexOptInternal(packageName, checkProfiles, 8374 targetCompilerFilter, force); 8375 } finally { 8376 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8377 } 8378 } 8379 8380 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 8381 // if the package can now be considered up to date for the given filter. 8382 private int performDexOptInternal(String packageName, 8383 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8384 PackageParser.Package p; 8385 synchronized (mPackages) { 8386 p = mPackages.get(packageName); 8387 if (p == null) { 8388 // Package could not be found. Report failure. 8389 return PackageDexOptimizer.DEX_OPT_FAILED; 8390 } 8391 mPackageUsage.maybeWriteAsync(mPackages); 8392 mCompilerStats.maybeWriteAsync(); 8393 } 8394 long callingId = Binder.clearCallingIdentity(); 8395 try { 8396 synchronized (mInstallLock) { 8397 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 8398 targetCompilerFilter, force); 8399 } 8400 } finally { 8401 Binder.restoreCallingIdentity(callingId); 8402 } 8403 } 8404 8405 public ArraySet<String> getOptimizablePackages() { 8406 ArraySet<String> pkgs = new ArraySet<String>(); 8407 synchronized (mPackages) { 8408 for (PackageParser.Package p : mPackages.values()) { 8409 if (PackageDexOptimizer.canOptimizePackage(p)) { 8410 pkgs.add(p.packageName); 8411 } 8412 } 8413 } 8414 return pkgs; 8415 } 8416 8417 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 8418 boolean checkProfiles, String targetCompilerFilter, 8419 boolean force) { 8420 // Select the dex optimizer based on the force parameter. 8421 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 8422 // allocate an object here. 8423 PackageDexOptimizer pdo = force 8424 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 8425 : mPackageDexOptimizer; 8426 8427 // Optimize all dependencies first. Note: we ignore the return value and march on 8428 // on errors. 8429 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 8430 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 8431 if (!deps.isEmpty()) { 8432 for (PackageParser.Package depPackage : deps) { 8433 // TODO: Analyze and investigate if we (should) profile libraries. 8434 // Currently this will do a full compilation of the library by default. 8435 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 8436 false /* checkProfiles */, 8437 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 8438 getOrCreateCompilerPackageStats(depPackage), 8439 mDexManager.isUsedByOtherApps(p.packageName)); 8440 } 8441 } 8442 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 8443 targetCompilerFilter, getOrCreateCompilerPackageStats(p), 8444 mDexManager.isUsedByOtherApps(p.packageName)); 8445 } 8446 8447 // Performs dexopt on the used secondary dex files belonging to the given package. 8448 // Returns true if all dex files were process successfully (which could mean either dexopt or 8449 // skip). Returns false if any of the files caused errors. 8450 @Override 8451 public boolean performDexOptSecondary(String packageName, String compilerFilter, 8452 boolean force) { 8453 return mDexManager.dexoptSecondaryDex(packageName, compilerFilter, force); 8454 } 8455 8456 /** 8457 * Reconcile the information we have about the secondary dex files belonging to 8458 * {@code packagName} and the actual dex files. For all dex files that were 8459 * deleted, update the internal records and delete the generated oat files. 8460 */ 8461 @Override 8462 public void reconcileSecondaryDexFiles(String packageName) { 8463 mDexManager.reconcileSecondaryDexFiles(packageName); 8464 } 8465 8466 // TODO(calin): this is only needed for BackgroundDexOptService. Find a cleaner way to inject 8467 // a reference there. 8468 /*package*/ DexManager getDexManager() { 8469 return mDexManager; 8470 } 8471 8472 /** 8473 * Execute the background dexopt job immediately. 8474 */ 8475 @Override 8476 public boolean runBackgroundDexoptJob() { 8477 return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext); 8478 } 8479 8480 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 8481 if (p.usesLibraries != null || p.usesOptionalLibraries != null 8482 || p.usesStaticLibraries != null) { 8483 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 8484 Set<String> collectedNames = new HashSet<>(); 8485 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 8486 8487 retValue.remove(p); 8488 8489 return retValue; 8490 } else { 8491 return Collections.emptyList(); 8492 } 8493 } 8494 8495 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 8496 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8497 if (!collectedNames.contains(p.packageName)) { 8498 collectedNames.add(p.packageName); 8499 collected.add(p); 8500 8501 if (p.usesLibraries != null) { 8502 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 8503 null, collected, collectedNames); 8504 } 8505 if (p.usesOptionalLibraries != null) { 8506 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 8507 null, collected, collectedNames); 8508 } 8509 if (p.usesStaticLibraries != null) { 8510 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 8511 p.usesStaticLibrariesVersions, collected, collectedNames); 8512 } 8513 } 8514 } 8515 8516 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, int[] versions, 8517 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8518 final int libNameCount = libs.size(); 8519 for (int i = 0; i < libNameCount; i++) { 8520 String libName = libs.get(i); 8521 int version = (versions != null && versions.length == libNameCount) 8522 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 8523 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 8524 if (libPkg != null) { 8525 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 8526 } 8527 } 8528 } 8529 8530 private PackageParser.Package findSharedNonSystemLibrary(String name, int version) { 8531 synchronized (mPackages) { 8532 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 8533 if (libEntry != null) { 8534 return mPackages.get(libEntry.apk); 8535 } 8536 return null; 8537 } 8538 } 8539 8540 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, int version) { 8541 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 8542 if (versionedLib == null) { 8543 return null; 8544 } 8545 return versionedLib.get(version); 8546 } 8547 8548 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 8549 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 8550 pkg.staticSharedLibName); 8551 if (versionedLib == null) { 8552 return null; 8553 } 8554 int previousLibVersion = -1; 8555 final int versionCount = versionedLib.size(); 8556 for (int i = 0; i < versionCount; i++) { 8557 final int libVersion = versionedLib.keyAt(i); 8558 if (libVersion < pkg.staticSharedLibVersion) { 8559 previousLibVersion = Math.max(previousLibVersion, libVersion); 8560 } 8561 } 8562 if (previousLibVersion >= 0) { 8563 return versionedLib.get(previousLibVersion); 8564 } 8565 return null; 8566 } 8567 8568 public void shutdown() { 8569 mPackageUsage.writeNow(mPackages); 8570 mCompilerStats.writeNow(); 8571 } 8572 8573 @Override 8574 public void dumpProfiles(String packageName) { 8575 PackageParser.Package pkg; 8576 synchronized (mPackages) { 8577 pkg = mPackages.get(packageName); 8578 if (pkg == null) { 8579 throw new IllegalArgumentException("Unknown package: " + packageName); 8580 } 8581 } 8582 /* Only the shell, root, or the app user should be able to dump profiles. */ 8583 int callingUid = Binder.getCallingUid(); 8584 if (callingUid != Process.SHELL_UID && 8585 callingUid != Process.ROOT_UID && 8586 callingUid != pkg.applicationInfo.uid) { 8587 throw new SecurityException("dumpProfiles"); 8588 } 8589 8590 synchronized (mInstallLock) { 8591 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 8592 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 8593 try { 8594 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 8595 String codePaths = TextUtils.join(";", allCodePaths); 8596 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 8597 } catch (InstallerException e) { 8598 Slog.w(TAG, "Failed to dump profiles", e); 8599 } 8600 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8601 } 8602 } 8603 8604 @Override 8605 public void forceDexOpt(String packageName) { 8606 enforceSystemOrRoot("forceDexOpt"); 8607 8608 PackageParser.Package pkg; 8609 synchronized (mPackages) { 8610 pkg = mPackages.get(packageName); 8611 if (pkg == null) { 8612 throw new IllegalArgumentException("Unknown package: " + packageName); 8613 } 8614 } 8615 8616 synchronized (mInstallLock) { 8617 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8618 8619 // Whoever is calling forceDexOpt wants a fully compiled package. 8620 // Don't use profiles since that may cause compilation to be skipped. 8621 final int res = performDexOptInternalWithDependenciesLI(pkg, 8622 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 8623 true /* force */); 8624 8625 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8626 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 8627 throw new IllegalStateException("Failed to dexopt: " + res); 8628 } 8629 } 8630 } 8631 8632 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 8633 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 8634 Slog.w(TAG, "Unable to update from " + oldPkg.name 8635 + " to " + newPkg.packageName 8636 + ": old package not in system partition"); 8637 return false; 8638 } else if (mPackages.get(oldPkg.name) != null) { 8639 Slog.w(TAG, "Unable to update from " + oldPkg.name 8640 + " to " + newPkg.packageName 8641 + ": old package still exists"); 8642 return false; 8643 } 8644 return true; 8645 } 8646 8647 void removeCodePathLI(File codePath) { 8648 if (codePath.isDirectory()) { 8649 try { 8650 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 8651 } catch (InstallerException e) { 8652 Slog.w(TAG, "Failed to remove code path", e); 8653 } 8654 } else { 8655 codePath.delete(); 8656 } 8657 } 8658 8659 private int[] resolveUserIds(int userId) { 8660 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 8661 } 8662 8663 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8664 if (pkg == null) { 8665 Slog.wtf(TAG, "Package was null!", new Throwable()); 8666 return; 8667 } 8668 clearAppDataLeafLIF(pkg, userId, flags); 8669 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8670 for (int i = 0; i < childCount; i++) { 8671 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8672 } 8673 } 8674 8675 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8676 final PackageSetting ps; 8677 synchronized (mPackages) { 8678 ps = mSettings.mPackages.get(pkg.packageName); 8679 } 8680 for (int realUserId : resolveUserIds(userId)) { 8681 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8682 try { 8683 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8684 ceDataInode); 8685 } catch (InstallerException e) { 8686 Slog.w(TAG, String.valueOf(e)); 8687 } 8688 } 8689 } 8690 8691 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8692 if (pkg == null) { 8693 Slog.wtf(TAG, "Package was null!", new Throwable()); 8694 return; 8695 } 8696 destroyAppDataLeafLIF(pkg, userId, flags); 8697 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8698 for (int i = 0; i < childCount; i++) { 8699 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8700 } 8701 } 8702 8703 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8704 final PackageSetting ps; 8705 synchronized (mPackages) { 8706 ps = mSettings.mPackages.get(pkg.packageName); 8707 } 8708 for (int realUserId : resolveUserIds(userId)) { 8709 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8710 try { 8711 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8712 ceDataInode); 8713 } catch (InstallerException e) { 8714 Slog.w(TAG, String.valueOf(e)); 8715 } 8716 mDexManager.notifyPackageDataDestroyed(pkg.packageName, userId); 8717 } 8718 } 8719 8720 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 8721 if (pkg == null) { 8722 Slog.wtf(TAG, "Package was null!", new Throwable()); 8723 return; 8724 } 8725 destroyAppProfilesLeafLIF(pkg); 8726 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8727 for (int i = 0; i < childCount; i++) { 8728 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 8729 } 8730 } 8731 8732 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 8733 try { 8734 mInstaller.destroyAppProfiles(pkg.packageName); 8735 } catch (InstallerException e) { 8736 Slog.w(TAG, String.valueOf(e)); 8737 } 8738 } 8739 8740 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 8741 if (pkg == null) { 8742 Slog.wtf(TAG, "Package was null!", new Throwable()); 8743 return; 8744 } 8745 clearAppProfilesLeafLIF(pkg); 8746 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8747 for (int i = 0; i < childCount; i++) { 8748 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 8749 } 8750 } 8751 8752 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 8753 try { 8754 mInstaller.clearAppProfiles(pkg.packageName); 8755 } catch (InstallerException e) { 8756 Slog.w(TAG, String.valueOf(e)); 8757 } 8758 } 8759 8760 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 8761 long lastUpdateTime) { 8762 // Set parent install/update time 8763 PackageSetting ps = (PackageSetting) pkg.mExtras; 8764 if (ps != null) { 8765 ps.firstInstallTime = firstInstallTime; 8766 ps.lastUpdateTime = lastUpdateTime; 8767 } 8768 // Set children install/update time 8769 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8770 for (int i = 0; i < childCount; i++) { 8771 PackageParser.Package childPkg = pkg.childPackages.get(i); 8772 ps = (PackageSetting) childPkg.mExtras; 8773 if (ps != null) { 8774 ps.firstInstallTime = firstInstallTime; 8775 ps.lastUpdateTime = lastUpdateTime; 8776 } 8777 } 8778 } 8779 8780 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 8781 PackageParser.Package changingLib) { 8782 if (file.path != null) { 8783 usesLibraryFiles.add(file.path); 8784 return; 8785 } 8786 PackageParser.Package p = mPackages.get(file.apk); 8787 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 8788 // If we are doing this while in the middle of updating a library apk, 8789 // then we need to make sure to use that new apk for determining the 8790 // dependencies here. (We haven't yet finished committing the new apk 8791 // to the package manager state.) 8792 if (p == null || p.packageName.equals(changingLib.packageName)) { 8793 p = changingLib; 8794 } 8795 } 8796 if (p != null) { 8797 usesLibraryFiles.addAll(p.getAllCodePaths()); 8798 } 8799 } 8800 8801 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 8802 PackageParser.Package changingLib) throws PackageManagerException { 8803 if (pkg == null) { 8804 return; 8805 } 8806 ArraySet<String> usesLibraryFiles = null; 8807 if (pkg.usesLibraries != null) { 8808 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 8809 null, null, pkg.packageName, changingLib, true, null); 8810 } 8811 if (pkg.usesStaticLibraries != null) { 8812 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 8813 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 8814 pkg.packageName, changingLib, true, usesLibraryFiles); 8815 } 8816 if (pkg.usesOptionalLibraries != null) { 8817 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 8818 null, null, pkg.packageName, changingLib, false, usesLibraryFiles); 8819 } 8820 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 8821 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 8822 } else { 8823 pkg.usesLibraryFiles = null; 8824 } 8825 } 8826 8827 private ArraySet<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 8828 @Nullable int[] requiredVersions, @Nullable String[] requiredCertDigests, 8829 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 8830 boolean required, @Nullable ArraySet<String> outUsedLibraries) 8831 throws PackageManagerException { 8832 final int libCount = requestedLibraries.size(); 8833 for (int i = 0; i < libCount; i++) { 8834 final String libName = requestedLibraries.get(i); 8835 final int libVersion = requiredVersions != null ? requiredVersions[i] 8836 : SharedLibraryInfo.VERSION_UNDEFINED; 8837 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 8838 if (libEntry == null) { 8839 if (required) { 8840 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8841 "Package " + packageName + " requires unavailable shared library " 8842 + libName + "; failing!"); 8843 } else { 8844 Slog.w(TAG, "Package " + packageName 8845 + " desires unavailable shared library " 8846 + libName + "; ignoring!"); 8847 } 8848 } else { 8849 if (requiredVersions != null && requiredCertDigests != null) { 8850 if (libEntry.info.getVersion() != requiredVersions[i]) { 8851 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8852 "Package " + packageName + " requires unavailable static shared" 8853 + " library " + libName + " version " 8854 + libEntry.info.getVersion() + "; failing!"); 8855 } 8856 8857 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 8858 if (libPkg == null) { 8859 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8860 "Package " + packageName + " requires unavailable static shared" 8861 + " library; failing!"); 8862 } 8863 8864 String expectedCertDigest = requiredCertDigests[i]; 8865 String libCertDigest = PackageUtils.computeCertSha256Digest( 8866 libPkg.mSignatures[0]); 8867 if (!libCertDigest.equalsIgnoreCase(expectedCertDigest)) { 8868 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8869 "Package " + packageName + " requires differently signed" + 8870 " static shared library; failing!"); 8871 } 8872 } 8873 8874 if (outUsedLibraries == null) { 8875 outUsedLibraries = new ArraySet<>(); 8876 } 8877 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 8878 } 8879 } 8880 return outUsedLibraries; 8881 } 8882 8883 private static boolean hasString(List<String> list, List<String> which) { 8884 if (list == null) { 8885 return false; 8886 } 8887 for (int i=list.size()-1; i>=0; i--) { 8888 for (int j=which.size()-1; j>=0; j--) { 8889 if (which.get(j).equals(list.get(i))) { 8890 return true; 8891 } 8892 } 8893 } 8894 return false; 8895 } 8896 8897 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 8898 PackageParser.Package changingPkg) { 8899 ArrayList<PackageParser.Package> res = null; 8900 for (PackageParser.Package pkg : mPackages.values()) { 8901 if (changingPkg != null 8902 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 8903 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 8904 && !ArrayUtils.contains(pkg.usesStaticLibraries, 8905 changingPkg.staticSharedLibName)) { 8906 return null; 8907 } 8908 if (res == null) { 8909 res = new ArrayList<>(); 8910 } 8911 res.add(pkg); 8912 try { 8913 updateSharedLibrariesLPr(pkg, changingPkg); 8914 } catch (PackageManagerException e) { 8915 // If a system app update or an app and a required lib missing we 8916 // delete the package and for updated system apps keep the data as 8917 // it is better for the user to reinstall than to be in an limbo 8918 // state. Also libs disappearing under an app should never happen 8919 // - just in case. 8920 if (!pkg.isSystemApp() || pkg.isUpdatedSystemApp()) { 8921 final int flags = pkg.isUpdatedSystemApp() 8922 ? PackageManager.DELETE_KEEP_DATA : 0; 8923 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 8924 flags , null, true, null); 8925 } 8926 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8927 } 8928 } 8929 return res; 8930 } 8931 8932 /** 8933 * Derive the value of the {@code cpuAbiOverride} based on the provided 8934 * value and an optional stored value from the package settings. 8935 */ 8936 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 8937 String cpuAbiOverride = null; 8938 8939 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 8940 cpuAbiOverride = null; 8941 } else if (abiOverride != null) { 8942 cpuAbiOverride = abiOverride; 8943 } else if (settings != null) { 8944 cpuAbiOverride = settings.cpuAbiOverrideString; 8945 } 8946 8947 return cpuAbiOverride; 8948 } 8949 8950 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 8951 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 8952 throws PackageManagerException { 8953 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 8954 // If the package has children and this is the first dive in the function 8955 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 8956 // whether all packages (parent and children) would be successfully scanned 8957 // before the actual scan since scanning mutates internal state and we want 8958 // to atomically install the package and its children. 8959 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8960 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8961 scanFlags |= SCAN_CHECK_ONLY; 8962 } 8963 } else { 8964 scanFlags &= ~SCAN_CHECK_ONLY; 8965 } 8966 8967 final PackageParser.Package scannedPkg; 8968 try { 8969 // Scan the parent 8970 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 8971 // Scan the children 8972 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8973 for (int i = 0; i < childCount; i++) { 8974 PackageParser.Package childPkg = pkg.childPackages.get(i); 8975 scanPackageLI(childPkg, policyFlags, 8976 scanFlags, currentTime, user); 8977 } 8978 } finally { 8979 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8980 } 8981 8982 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8983 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 8984 } 8985 8986 return scannedPkg; 8987 } 8988 8989 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 8990 int scanFlags, long currentTime, @Nullable UserHandle user) 8991 throws PackageManagerException { 8992 boolean success = false; 8993 try { 8994 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 8995 currentTime, user); 8996 success = true; 8997 return res; 8998 } finally { 8999 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 9000 // DELETE_DATA_ON_FAILURES is only used by frozen paths 9001 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 9002 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 9003 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 9004 } 9005 } 9006 } 9007 9008 /** 9009 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 9010 */ 9011 private static boolean apkHasCode(String fileName) { 9012 StrictJarFile jarFile = null; 9013 try { 9014 jarFile = new StrictJarFile(fileName, 9015 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 9016 return jarFile.findEntry("classes.dex") != null; 9017 } catch (IOException ignore) { 9018 } finally { 9019 try { 9020 if (jarFile != null) { 9021 jarFile.close(); 9022 } 9023 } catch (IOException ignore) {} 9024 } 9025 return false; 9026 } 9027 9028 /** 9029 * Enforces code policy for the package. This ensures that if an APK has 9030 * declared hasCode="true" in its manifest that the APK actually contains 9031 * code. 9032 * 9033 * @throws PackageManagerException If bytecode could not be found when it should exist 9034 */ 9035 private static void assertCodePolicy(PackageParser.Package pkg) 9036 throws PackageManagerException { 9037 final boolean shouldHaveCode = 9038 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 9039 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 9040 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9041 "Package " + pkg.baseCodePath + " code is missing"); 9042 } 9043 9044 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 9045 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 9046 final boolean splitShouldHaveCode = 9047 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 9048 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 9049 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9050 "Package " + pkg.splitCodePaths[i] + " code is missing"); 9051 } 9052 } 9053 } 9054 } 9055 9056 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 9057 final int policyFlags, final int scanFlags, long currentTime, @Nullable UserHandle user) 9058 throws PackageManagerException { 9059 if (DEBUG_PACKAGE_SCANNING) { 9060 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9061 Log.d(TAG, "Scanning package " + pkg.packageName); 9062 } 9063 9064 applyPolicy(pkg, policyFlags); 9065 9066 assertPackageIsValid(pkg, policyFlags, scanFlags); 9067 9068 // Initialize package source and resource directories 9069 final File scanFile = new File(pkg.codePath); 9070 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 9071 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 9072 9073 SharedUserSetting suid = null; 9074 PackageSetting pkgSetting = null; 9075 9076 // Getting the package setting may have a side-effect, so if we 9077 // are only checking if scan would succeed, stash a copy of the 9078 // old setting to restore at the end. 9079 PackageSetting nonMutatedPs = null; 9080 9081 // We keep references to the derived CPU Abis from settings in oder to reuse 9082 // them in the case where we're not upgrading or booting for the first time. 9083 String primaryCpuAbiFromSettings = null; 9084 String secondaryCpuAbiFromSettings = null; 9085 9086 // writer 9087 synchronized (mPackages) { 9088 if (pkg.mSharedUserId != null) { 9089 // SIDE EFFECTS; may potentially allocate a new shared user 9090 suid = mSettings.getSharedUserLPw( 9091 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 9092 if (DEBUG_PACKAGE_SCANNING) { 9093 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9094 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 9095 + "): packages=" + suid.packages); 9096 } 9097 } 9098 9099 // Check if we are renaming from an original package name. 9100 PackageSetting origPackage = null; 9101 String realName = null; 9102 if (pkg.mOriginalPackages != null) { 9103 // This package may need to be renamed to a previously 9104 // installed name. Let's check on that... 9105 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 9106 if (pkg.mOriginalPackages.contains(renamed)) { 9107 // This package had originally been installed as the 9108 // original name, and we have already taken care of 9109 // transitioning to the new one. Just update the new 9110 // one to continue using the old name. 9111 realName = pkg.mRealPackage; 9112 if (!pkg.packageName.equals(renamed)) { 9113 // Callers into this function may have already taken 9114 // care of renaming the package; only do it here if 9115 // it is not already done. 9116 pkg.setPackageName(renamed); 9117 } 9118 } else { 9119 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 9120 if ((origPackage = mSettings.getPackageLPr( 9121 pkg.mOriginalPackages.get(i))) != null) { 9122 // We do have the package already installed under its 9123 // original name... should we use it? 9124 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 9125 // New package is not compatible with original. 9126 origPackage = null; 9127 continue; 9128 } else if (origPackage.sharedUser != null) { 9129 // Make sure uid is compatible between packages. 9130 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 9131 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 9132 + " to " + pkg.packageName + ": old uid " 9133 + origPackage.sharedUser.name 9134 + " differs from " + pkg.mSharedUserId); 9135 origPackage = null; 9136 continue; 9137 } 9138 // TODO: Add case when shared user id is added [b/28144775] 9139 } else { 9140 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 9141 + pkg.packageName + " to old name " + origPackage.name); 9142 } 9143 break; 9144 } 9145 } 9146 } 9147 } 9148 9149 if (mTransferedPackages.contains(pkg.packageName)) { 9150 Slog.w(TAG, "Package " + pkg.packageName 9151 + " was transferred to another, but its .apk remains"); 9152 } 9153 9154 // See comments in nonMutatedPs declaration 9155 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9156 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9157 if (foundPs != null) { 9158 nonMutatedPs = new PackageSetting(foundPs); 9159 } 9160 } 9161 9162 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 9163 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9164 if (foundPs != null) { 9165 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 9166 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 9167 } 9168 } 9169 9170 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 9171 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 9172 PackageManagerService.reportSettingsProblem(Log.WARN, 9173 "Package " + pkg.packageName + " shared user changed from " 9174 + (pkgSetting.sharedUser != null 9175 ? pkgSetting.sharedUser.name : "<nothing>") 9176 + " to " 9177 + (suid != null ? suid.name : "<nothing>") 9178 + "; replacing with new"); 9179 pkgSetting = null; 9180 } 9181 final PackageSetting oldPkgSetting = 9182 pkgSetting == null ? null : new PackageSetting(pkgSetting); 9183 final PackageSetting disabledPkgSetting = 9184 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 9185 9186 String[] usesStaticLibraries = null; 9187 if (pkg.usesStaticLibraries != null) { 9188 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 9189 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 9190 } 9191 9192 if (pkgSetting == null) { 9193 final String parentPackageName = (pkg.parentPackage != null) 9194 ? pkg.parentPackage.packageName : null; 9195 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 9196 // REMOVE SharedUserSetting from method; update in a separate call 9197 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 9198 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 9199 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 9200 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 9201 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 9202 true /*allowInstall*/, instantApp, parentPackageName, 9203 pkg.getChildPackageNames(), UserManagerService.getInstance(), 9204 usesStaticLibraries, pkg.usesStaticLibrariesVersions); 9205 // SIDE EFFECTS; updates system state; move elsewhere 9206 if (origPackage != null) { 9207 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 9208 } 9209 mSettings.addUserToSettingLPw(pkgSetting); 9210 } else { 9211 // REMOVE SharedUserSetting from method; update in a separate call. 9212 // 9213 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 9214 // secondaryCpuAbi are not known at this point so we always update them 9215 // to null here, only to reset them at a later point. 9216 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 9217 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 9218 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 9219 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 9220 UserManagerService.getInstance(), usesStaticLibraries, 9221 pkg.usesStaticLibrariesVersions); 9222 } 9223 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 9224 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 9225 9226 // SIDE EFFECTS; modifies system state; move elsewhere 9227 if (pkgSetting.origPackage != null) { 9228 // If we are first transitioning from an original package, 9229 // fix up the new package's name now. We need to do this after 9230 // looking up the package under its new name, so getPackageLP 9231 // can take care of fiddling things correctly. 9232 pkg.setPackageName(origPackage.name); 9233 9234 // File a report about this. 9235 String msg = "New package " + pkgSetting.realName 9236 + " renamed to replace old package " + pkgSetting.name; 9237 reportSettingsProblem(Log.WARN, msg); 9238 9239 // Make a note of it. 9240 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9241 mTransferedPackages.add(origPackage.name); 9242 } 9243 9244 // No longer need to retain this. 9245 pkgSetting.origPackage = null; 9246 } 9247 9248 // SIDE EFFECTS; modifies system state; move elsewhere 9249 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 9250 // Make a note of it. 9251 mTransferedPackages.add(pkg.packageName); 9252 } 9253 9254 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 9255 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9256 } 9257 9258 if ((scanFlags & SCAN_BOOTING) == 0 9259 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9260 // Check all shared libraries and map to their actual file path. 9261 // We only do this here for apps not on a system dir, because those 9262 // are the only ones that can fail an install due to this. We 9263 // will take care of the system apps by updating all of their 9264 // library paths after the scan is done. Also during the initial 9265 // scan don't update any libs as we do this wholesale after all 9266 // apps are scanned to avoid dependency based scanning. 9267 updateSharedLibrariesLPr(pkg, null); 9268 } 9269 9270 if (mFoundPolicyFile) { 9271 SELinuxMMAC.assignSeInfoValue(pkg); 9272 } 9273 pkg.applicationInfo.uid = pkgSetting.appId; 9274 pkg.mExtras = pkgSetting; 9275 9276 9277 // Static shared libs have same package with different versions where 9278 // we internally use a synthetic package name to allow multiple versions 9279 // of the same package, therefore we need to compare signatures against 9280 // the package setting for the latest library version. 9281 PackageSetting signatureCheckPs = pkgSetting; 9282 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9283 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 9284 if (libraryEntry != null) { 9285 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 9286 } 9287 } 9288 9289 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 9290 if (checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 9291 // We just determined the app is signed correctly, so bring 9292 // over the latest parsed certs. 9293 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9294 } else { 9295 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9296 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9297 "Package " + pkg.packageName + " upgrade keys do not match the " 9298 + "previously installed version"); 9299 } else { 9300 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9301 String msg = "System package " + pkg.packageName 9302 + " signature changed; retaining data."; 9303 reportSettingsProblem(Log.WARN, msg); 9304 } 9305 } 9306 } else { 9307 try { 9308 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 9309 verifySignaturesLP(signatureCheckPs, pkg); 9310 // We just determined the app is signed correctly, so bring 9311 // over the latest parsed certs. 9312 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9313 } catch (PackageManagerException e) { 9314 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9315 throw e; 9316 } 9317 // The signature has changed, but this package is in the system 9318 // image... let's recover! 9319 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9320 // However... if this package is part of a shared user, but it 9321 // doesn't match the signature of the shared user, let's fail. 9322 // What this means is that you can't change the signatures 9323 // associated with an overall shared user, which doesn't seem all 9324 // that unreasonable. 9325 if (signatureCheckPs.sharedUser != null) { 9326 if (compareSignatures(signatureCheckPs.sharedUser.signatures.mSignatures, 9327 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 9328 throw new PackageManagerException( 9329 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9330 "Signature mismatch for shared user: " 9331 + pkgSetting.sharedUser); 9332 } 9333 } 9334 // File a report about this. 9335 String msg = "System package " + pkg.packageName 9336 + " signature changed; retaining data."; 9337 reportSettingsProblem(Log.WARN, msg); 9338 } 9339 } 9340 9341 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 9342 // This package wants to adopt ownership of permissions from 9343 // another package. 9344 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 9345 final String origName = pkg.mAdoptPermissions.get(i); 9346 final PackageSetting orig = mSettings.getPackageLPr(origName); 9347 if (orig != null) { 9348 if (verifyPackageUpdateLPr(orig, pkg)) { 9349 Slog.i(TAG, "Adopting permissions from " + origName + " to " 9350 + pkg.packageName); 9351 // SIDE EFFECTS; updates permissions system state; move elsewhere 9352 mSettings.transferPermissionsLPw(origName, pkg.packageName); 9353 } 9354 } 9355 } 9356 } 9357 } 9358 9359 pkg.applicationInfo.processName = fixProcessName( 9360 pkg.applicationInfo.packageName, 9361 pkg.applicationInfo.processName); 9362 9363 if (pkg != mPlatformPackage) { 9364 // Get all of our default paths setup 9365 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 9366 } 9367 9368 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 9369 9370 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 9371 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 9372 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 9373 derivePackageAbi( 9374 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 9375 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9376 9377 // Some system apps still use directory structure for native libraries 9378 // in which case we might end up not detecting abi solely based on apk 9379 // structure. Try to detect abi based on directory structure. 9380 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 9381 pkg.applicationInfo.primaryCpuAbi == null) { 9382 setBundledAppAbisAndRoots(pkg, pkgSetting); 9383 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9384 } 9385 } else { 9386 // This is not a first boot or an upgrade, don't bother deriving the 9387 // ABI during the scan. Instead, trust the value that was stored in the 9388 // package setting. 9389 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 9390 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 9391 9392 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9393 9394 if (DEBUG_ABI_SELECTION) { 9395 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 9396 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 9397 pkg.applicationInfo.secondaryCpuAbi); 9398 } 9399 } 9400 } else { 9401 if ((scanFlags & SCAN_MOVE) != 0) { 9402 // We haven't run dex-opt for this move (since we've moved the compiled output too) 9403 // but we already have this packages package info in the PackageSetting. We just 9404 // use that and derive the native library path based on the new codepath. 9405 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 9406 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 9407 } 9408 9409 // Set native library paths again. For moves, the path will be updated based on the 9410 // ABIs we've determined above. For non-moves, the path will be updated based on the 9411 // ABIs we determined during compilation, but the path will depend on the final 9412 // package path (after the rename away from the stage path). 9413 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9414 } 9415 9416 // This is a special case for the "system" package, where the ABI is 9417 // dictated by the zygote configuration (and init.rc). We should keep track 9418 // of this ABI so that we can deal with "normal" applications that run under 9419 // the same UID correctly. 9420 if (mPlatformPackage == pkg) { 9421 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 9422 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 9423 } 9424 9425 // If there's a mismatch between the abi-override in the package setting 9426 // and the abiOverride specified for the install. Warn about this because we 9427 // would've already compiled the app without taking the package setting into 9428 // account. 9429 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 9430 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 9431 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 9432 " for package " + pkg.packageName); 9433 } 9434 } 9435 9436 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9437 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9438 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 9439 9440 // Copy the derived override back to the parsed package, so that we can 9441 // update the package settings accordingly. 9442 pkg.cpuAbiOverride = cpuAbiOverride; 9443 9444 if (DEBUG_ABI_SELECTION) { 9445 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 9446 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 9447 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 9448 } 9449 9450 // Push the derived path down into PackageSettings so we know what to 9451 // clean up at uninstall time. 9452 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 9453 9454 if (DEBUG_ABI_SELECTION) { 9455 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 9456 " primary=" + pkg.applicationInfo.primaryCpuAbi + 9457 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 9458 } 9459 9460 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 9461 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 9462 // We don't do this here during boot because we can do it all 9463 // at once after scanning all existing packages. 9464 // 9465 // We also do this *before* we perform dexopt on this package, so that 9466 // we can avoid redundant dexopts, and also to make sure we've got the 9467 // code and package path correct. 9468 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 9469 } 9470 9471 if (mFactoryTest && pkg.requestedPermissions.contains( 9472 android.Manifest.permission.FACTORY_TEST)) { 9473 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 9474 } 9475 9476 if (isSystemApp(pkg)) { 9477 pkgSetting.isOrphaned = true; 9478 } 9479 9480 // Take care of first install / last update times. 9481 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 9482 if (currentTime != 0) { 9483 if (pkgSetting.firstInstallTime == 0) { 9484 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 9485 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 9486 pkgSetting.lastUpdateTime = currentTime; 9487 } 9488 } else if (pkgSetting.firstInstallTime == 0) { 9489 // We need *something*. Take time time stamp of the file. 9490 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 9491 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 9492 if (scanFileTime != pkgSetting.timeStamp) { 9493 // A package on the system image has changed; consider this 9494 // to be an update. 9495 pkgSetting.lastUpdateTime = scanFileTime; 9496 } 9497 } 9498 pkgSetting.setTimeStamp(scanFileTime); 9499 9500 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9501 if (nonMutatedPs != null) { 9502 synchronized (mPackages) { 9503 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 9504 } 9505 } 9506 } else { 9507 final int userId = user == null ? 0 : user.getIdentifier(); 9508 // Modify state for the given package setting 9509 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 9510 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 9511 if (pkgSetting.getInstantApp(userId)) { 9512 mInstantAppRegistry.addInstantAppLPw(userId, pkgSetting.appId); 9513 } 9514 } 9515 return pkg; 9516 } 9517 9518 /** 9519 * Applies policy to the parsed package based upon the given policy flags. 9520 * Ensures the package is in a good state. 9521 * <p> 9522 * Implementation detail: This method must NOT have any side effect. It would 9523 * ideally be static, but, it requires locks to read system state. 9524 */ 9525 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 9526 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 9527 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 9528 if (pkg.applicationInfo.isDirectBootAware()) { 9529 // we're direct boot aware; set for all components 9530 for (PackageParser.Service s : pkg.services) { 9531 s.info.encryptionAware = s.info.directBootAware = true; 9532 } 9533 for (PackageParser.Provider p : pkg.providers) { 9534 p.info.encryptionAware = p.info.directBootAware = true; 9535 } 9536 for (PackageParser.Activity a : pkg.activities) { 9537 a.info.encryptionAware = a.info.directBootAware = true; 9538 } 9539 for (PackageParser.Activity r : pkg.receivers) { 9540 r.info.encryptionAware = r.info.directBootAware = true; 9541 } 9542 } 9543 } else { 9544 // Only allow system apps to be flagged as core apps. 9545 pkg.coreApp = false; 9546 // clear flags not applicable to regular apps 9547 pkg.applicationInfo.privateFlags &= 9548 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 9549 pkg.applicationInfo.privateFlags &= 9550 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 9551 } 9552 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 9553 9554 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 9555 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 9556 } 9557 9558 if (!isSystemApp(pkg)) { 9559 // Only system apps can use these features. 9560 pkg.mOriginalPackages = null; 9561 pkg.mRealPackage = null; 9562 pkg.mAdoptPermissions = null; 9563 } 9564 } 9565 9566 /** 9567 * Asserts the parsed package is valid according to the given policy. If the 9568 * package is invalid, for whatever reason, throws {@link PackageManagerException}. 9569 * <p> 9570 * Implementation detail: This method must NOT have any side effects. It would 9571 * ideally be static, but, it requires locks to read system state. 9572 * 9573 * @throws PackageManagerException If the package fails any of the validation checks 9574 */ 9575 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 9576 throws PackageManagerException { 9577 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 9578 assertCodePolicy(pkg); 9579 } 9580 9581 if (pkg.applicationInfo.getCodePath() == null || 9582 pkg.applicationInfo.getResourcePath() == null) { 9583 // Bail out. The resource and code paths haven't been set. 9584 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9585 "Code and resource paths haven't been set correctly"); 9586 } 9587 9588 // Make sure we're not adding any bogus keyset info 9589 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9590 ksms.assertScannedPackageValid(pkg); 9591 9592 synchronized (mPackages) { 9593 // The special "android" package can only be defined once 9594 if (pkg.packageName.equals("android")) { 9595 if (mAndroidApplication != null) { 9596 Slog.w(TAG, "*************************************************"); 9597 Slog.w(TAG, "Core android package being redefined. Skipping."); 9598 Slog.w(TAG, " codePath=" + pkg.codePath); 9599 Slog.w(TAG, "*************************************************"); 9600 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9601 "Core android package being redefined. Skipping."); 9602 } 9603 } 9604 9605 // A package name must be unique; don't allow duplicates 9606 if (mPackages.containsKey(pkg.packageName)) { 9607 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9608 "Application package " + pkg.packageName 9609 + " already installed. Skipping duplicate."); 9610 } 9611 9612 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9613 // Static libs have a synthetic package name containing the version 9614 // but we still want the base name to be unique. 9615 if (mPackages.containsKey(pkg.manifestPackageName)) { 9616 throw new PackageManagerException( 9617 "Duplicate static shared lib provider package"); 9618 } 9619 9620 // Static shared libraries should have at least O target SDK 9621 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 9622 throw new PackageManagerException( 9623 "Packages declaring static-shared libs must target O SDK or higher"); 9624 } 9625 9626 // Package declaring static a shared lib cannot be instant apps 9627 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 9628 throw new PackageManagerException( 9629 "Packages declaring static-shared libs cannot be instant apps"); 9630 } 9631 9632 // Package declaring static a shared lib cannot be renamed since the package 9633 // name is synthetic and apps can't code around package manager internals. 9634 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 9635 throw new PackageManagerException( 9636 "Packages declaring static-shared libs cannot be renamed"); 9637 } 9638 9639 // Package declaring static a shared lib cannot declare child packages 9640 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 9641 throw new PackageManagerException( 9642 "Packages declaring static-shared libs cannot have child packages"); 9643 } 9644 9645 // Package declaring static a shared lib cannot declare dynamic libs 9646 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 9647 throw new PackageManagerException( 9648 "Packages declaring static-shared libs cannot declare dynamic libs"); 9649 } 9650 9651 // Package declaring static a shared lib cannot declare shared users 9652 if (pkg.mSharedUserId != null) { 9653 throw new PackageManagerException( 9654 "Packages declaring static-shared libs cannot declare shared users"); 9655 } 9656 9657 // Static shared libs cannot declare activities 9658 if (!pkg.activities.isEmpty()) { 9659 throw new PackageManagerException( 9660 "Static shared libs cannot declare activities"); 9661 } 9662 9663 // Static shared libs cannot declare services 9664 if (!pkg.services.isEmpty()) { 9665 throw new PackageManagerException( 9666 "Static shared libs cannot declare services"); 9667 } 9668 9669 // Static shared libs cannot declare providers 9670 if (!pkg.providers.isEmpty()) { 9671 throw new PackageManagerException( 9672 "Static shared libs cannot declare content providers"); 9673 } 9674 9675 // Static shared libs cannot declare receivers 9676 if (!pkg.receivers.isEmpty()) { 9677 throw new PackageManagerException( 9678 "Static shared libs cannot declare broadcast receivers"); 9679 } 9680 9681 // Static shared libs cannot declare permission groups 9682 if (!pkg.permissionGroups.isEmpty()) { 9683 throw new PackageManagerException( 9684 "Static shared libs cannot declare permission groups"); 9685 } 9686 9687 // Static shared libs cannot declare permissions 9688 if (!pkg.permissions.isEmpty()) { 9689 throw new PackageManagerException( 9690 "Static shared libs cannot declare permissions"); 9691 } 9692 9693 // Static shared libs cannot declare protected broadcasts 9694 if (pkg.protectedBroadcasts != null) { 9695 throw new PackageManagerException( 9696 "Static shared libs cannot declare protected broadcasts"); 9697 } 9698 9699 // Static shared libs cannot be overlay targets 9700 if (pkg.mOverlayTarget != null) { 9701 throw new PackageManagerException( 9702 "Static shared libs cannot be overlay targets"); 9703 } 9704 9705 // The version codes must be ordered as lib versions 9706 int minVersionCode = Integer.MIN_VALUE; 9707 int maxVersionCode = Integer.MAX_VALUE; 9708 9709 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9710 pkg.staticSharedLibName); 9711 if (versionedLib != null) { 9712 final int versionCount = versionedLib.size(); 9713 for (int i = 0; i < versionCount; i++) { 9714 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 9715 // TODO: We will change version code to long, so in the new API it is long 9716 final int libVersionCode = (int) libInfo.getDeclaringPackage() 9717 .getVersionCode(); 9718 if (libInfo.getVersion() < pkg.staticSharedLibVersion) { 9719 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 9720 } else if (libInfo.getVersion() > pkg.staticSharedLibVersion) { 9721 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 9722 } else { 9723 minVersionCode = maxVersionCode = libVersionCode; 9724 break; 9725 } 9726 } 9727 } 9728 if (pkg.mVersionCode < minVersionCode || pkg.mVersionCode > maxVersionCode) { 9729 throw new PackageManagerException("Static shared" 9730 + " lib version codes must be ordered as lib versions"); 9731 } 9732 } 9733 9734 // Only privileged apps and updated privileged apps can add child packages. 9735 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 9736 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 9737 throw new PackageManagerException("Only privileged apps can add child " 9738 + "packages. Ignoring package " + pkg.packageName); 9739 } 9740 final int childCount = pkg.childPackages.size(); 9741 for (int i = 0; i < childCount; i++) { 9742 PackageParser.Package childPkg = pkg.childPackages.get(i); 9743 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 9744 childPkg.packageName)) { 9745 throw new PackageManagerException("Can't override child of " 9746 + "another disabled app. Ignoring package " + pkg.packageName); 9747 } 9748 } 9749 } 9750 9751 // If we're only installing presumed-existing packages, require that the 9752 // scanned APK is both already known and at the path previously established 9753 // for it. Previously unknown packages we pick up normally, but if we have an 9754 // a priori expectation about this package's install presence, enforce it. 9755 // With a singular exception for new system packages. When an OTA contains 9756 // a new system package, we allow the codepath to change from a system location 9757 // to the user-installed location. If we don't allow this change, any newer, 9758 // user-installed version of the application will be ignored. 9759 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 9760 if (mExpectingBetter.containsKey(pkg.packageName)) { 9761 logCriticalInfo(Log.WARN, 9762 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 9763 } else { 9764 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 9765 if (known != null) { 9766 if (DEBUG_PACKAGE_SCANNING) { 9767 Log.d(TAG, "Examining " + pkg.codePath 9768 + " and requiring known paths " + known.codePathString 9769 + " & " + known.resourcePathString); 9770 } 9771 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 9772 || !pkg.applicationInfo.getResourcePath().equals( 9773 known.resourcePathString)) { 9774 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 9775 "Application package " + pkg.packageName 9776 + " found at " + pkg.applicationInfo.getCodePath() 9777 + " but expected at " + known.codePathString 9778 + "; ignoring."); 9779 } 9780 } 9781 } 9782 } 9783 9784 // Verify that this new package doesn't have any content providers 9785 // that conflict with existing packages. Only do this if the 9786 // package isn't already installed, since we don't want to break 9787 // things that are installed. 9788 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 9789 final int N = pkg.providers.size(); 9790 int i; 9791 for (i=0; i<N; i++) { 9792 PackageParser.Provider p = pkg.providers.get(i); 9793 if (p.info.authority != null) { 9794 String names[] = p.info.authority.split(";"); 9795 for (int j = 0; j < names.length; j++) { 9796 if (mProvidersByAuthority.containsKey(names[j])) { 9797 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9798 final String otherPackageName = 9799 ((other != null && other.getComponentName() != null) ? 9800 other.getComponentName().getPackageName() : "?"); 9801 throw new PackageManagerException( 9802 INSTALL_FAILED_CONFLICTING_PROVIDER, 9803 "Can't install because provider name " + names[j] 9804 + " (in package " + pkg.applicationInfo.packageName 9805 + ") is already used by " + otherPackageName); 9806 } 9807 } 9808 } 9809 } 9810 } 9811 } 9812 } 9813 9814 private boolean addSharedLibraryLPw(String path, String apk, String name, int version, 9815 int type, String declaringPackageName, int declaringVersionCode) { 9816 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9817 if (versionedLib == null) { 9818 versionedLib = new SparseArray<>(); 9819 mSharedLibraries.put(name, versionedLib); 9820 if (type == SharedLibraryInfo.TYPE_STATIC) { 9821 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 9822 } 9823 } else if (versionedLib.indexOfKey(version) >= 0) { 9824 return false; 9825 } 9826 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 9827 version, type, declaringPackageName, declaringVersionCode); 9828 versionedLib.put(version, libEntry); 9829 return true; 9830 } 9831 9832 private boolean removeSharedLibraryLPw(String name, int version) { 9833 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9834 if (versionedLib == null) { 9835 return false; 9836 } 9837 final int libIdx = versionedLib.indexOfKey(version); 9838 if (libIdx < 0) { 9839 return false; 9840 } 9841 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 9842 versionedLib.remove(version); 9843 if (versionedLib.size() <= 0) { 9844 mSharedLibraries.remove(name); 9845 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 9846 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 9847 .getPackageName()); 9848 } 9849 } 9850 return true; 9851 } 9852 9853 /** 9854 * Adds a scanned package to the system. When this method is finished, the package will 9855 * be available for query, resolution, etc... 9856 */ 9857 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 9858 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 9859 final String pkgName = pkg.packageName; 9860 if (mCustomResolverComponentName != null && 9861 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 9862 setUpCustomResolverActivity(pkg); 9863 } 9864 9865 if (pkg.packageName.equals("android")) { 9866 synchronized (mPackages) { 9867 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9868 // Set up information for our fall-back user intent resolution activity. 9869 mPlatformPackage = pkg; 9870 pkg.mVersionCode = mSdkVersion; 9871 mAndroidApplication = pkg.applicationInfo; 9872 if (!mResolverReplaced) { 9873 mResolveActivity.applicationInfo = mAndroidApplication; 9874 mResolveActivity.name = ResolverActivity.class.getName(); 9875 mResolveActivity.packageName = mAndroidApplication.packageName; 9876 mResolveActivity.processName = "system:ui"; 9877 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9878 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 9879 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 9880 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 9881 mResolveActivity.exported = true; 9882 mResolveActivity.enabled = true; 9883 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 9884 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 9885 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 9886 | ActivityInfo.CONFIG_SCREEN_LAYOUT 9887 | ActivityInfo.CONFIG_ORIENTATION 9888 | ActivityInfo.CONFIG_KEYBOARD 9889 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 9890 mResolveInfo.activityInfo = mResolveActivity; 9891 mResolveInfo.priority = 0; 9892 mResolveInfo.preferredOrder = 0; 9893 mResolveInfo.match = 0; 9894 mResolveComponentName = new ComponentName( 9895 mAndroidApplication.packageName, mResolveActivity.name); 9896 } 9897 } 9898 } 9899 } 9900 9901 ArrayList<PackageParser.Package> clientLibPkgs = null; 9902 // writer 9903 synchronized (mPackages) { 9904 boolean hasStaticSharedLibs = false; 9905 9906 // Any app can add new static shared libraries 9907 if (pkg.staticSharedLibName != null) { 9908 // Static shared libs don't allow renaming as they have synthetic package 9909 // names to allow install of multiple versions, so use name from manifest. 9910 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 9911 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 9912 pkg.manifestPackageName, pkg.mVersionCode)) { 9913 hasStaticSharedLibs = true; 9914 } else { 9915 Slog.w(TAG, "Package " + pkg.packageName + " library " 9916 + pkg.staticSharedLibName + " already exists; skipping"); 9917 } 9918 // Static shared libs cannot be updated once installed since they 9919 // use synthetic package name which includes the version code, so 9920 // not need to update other packages's shared lib dependencies. 9921 } 9922 9923 if (!hasStaticSharedLibs 9924 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 9925 // Only system apps can add new dynamic shared libraries. 9926 if (pkg.libraryNames != null) { 9927 for (int i = 0; i < pkg.libraryNames.size(); i++) { 9928 String name = pkg.libraryNames.get(i); 9929 boolean allowed = false; 9930 if (pkg.isUpdatedSystemApp()) { 9931 // New library entries can only be added through the 9932 // system image. This is important to get rid of a lot 9933 // of nasty edge cases: for example if we allowed a non- 9934 // system update of the app to add a library, then uninstalling 9935 // the update would make the library go away, and assumptions 9936 // we made such as through app install filtering would now 9937 // have allowed apps on the device which aren't compatible 9938 // with it. Better to just have the restriction here, be 9939 // conservative, and create many fewer cases that can negatively 9940 // impact the user experience. 9941 final PackageSetting sysPs = mSettings 9942 .getDisabledSystemPkgLPr(pkg.packageName); 9943 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 9944 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 9945 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 9946 allowed = true; 9947 break; 9948 } 9949 } 9950 } 9951 } else { 9952 allowed = true; 9953 } 9954 if (allowed) { 9955 if (!addSharedLibraryLPw(null, pkg.packageName, name, 9956 SharedLibraryInfo.VERSION_UNDEFINED, 9957 SharedLibraryInfo.TYPE_DYNAMIC, 9958 pkg.packageName, pkg.mVersionCode)) { 9959 Slog.w(TAG, "Package " + pkg.packageName + " library " 9960 + name + " already exists; skipping"); 9961 } 9962 } else { 9963 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 9964 + name + " that is not declared on system image; skipping"); 9965 } 9966 } 9967 9968 if ((scanFlags & SCAN_BOOTING) == 0) { 9969 // If we are not booting, we need to update any applications 9970 // that are clients of our shared library. If we are booting, 9971 // this will all be done once the scan is complete. 9972 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 9973 } 9974 } 9975 } 9976 } 9977 9978 if ((scanFlags & SCAN_BOOTING) != 0) { 9979 // No apps can run during boot scan, so they don't need to be frozen 9980 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 9981 // Caller asked to not kill app, so it's probably not frozen 9982 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 9983 // Caller asked us to ignore frozen check for some reason; they 9984 // probably didn't know the package name 9985 } else { 9986 // We're doing major surgery on this package, so it better be frozen 9987 // right now to keep it from launching 9988 checkPackageFrozen(pkgName); 9989 } 9990 9991 // Also need to kill any apps that are dependent on the library. 9992 if (clientLibPkgs != null) { 9993 for (int i=0; i<clientLibPkgs.size(); i++) { 9994 PackageParser.Package clientPkg = clientLibPkgs.get(i); 9995 killApplication(clientPkg.applicationInfo.packageName, 9996 clientPkg.applicationInfo.uid, "update lib"); 9997 } 9998 } 9999 10000 // writer 10001 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 10002 10003 synchronized (mPackages) { 10004 // We don't expect installation to fail beyond this point 10005 10006 // Add the new setting to mSettings 10007 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 10008 // Add the new setting to mPackages 10009 mPackages.put(pkg.applicationInfo.packageName, pkg); 10010 // Make sure we don't accidentally delete its data. 10011 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 10012 while (iter.hasNext()) { 10013 PackageCleanItem item = iter.next(); 10014 if (pkgName.equals(item.packageName)) { 10015 iter.remove(); 10016 } 10017 } 10018 10019 // Add the package's KeySets to the global KeySetManagerService 10020 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10021 ksms.addScannedPackageLPw(pkg); 10022 10023 int N = pkg.providers.size(); 10024 StringBuilder r = null; 10025 int i; 10026 for (i=0; i<N; i++) { 10027 PackageParser.Provider p = pkg.providers.get(i); 10028 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 10029 p.info.processName); 10030 mProviders.addProvider(p); 10031 p.syncable = p.info.isSyncable; 10032 if (p.info.authority != null) { 10033 String names[] = p.info.authority.split(";"); 10034 p.info.authority = null; 10035 for (int j = 0; j < names.length; j++) { 10036 if (j == 1 && p.syncable) { 10037 // We only want the first authority for a provider to possibly be 10038 // syncable, so if we already added this provider using a different 10039 // authority clear the syncable flag. We copy the provider before 10040 // changing it because the mProviders object contains a reference 10041 // to a provider that we don't want to change. 10042 // Only do this for the second authority since the resulting provider 10043 // object can be the same for all future authorities for this provider. 10044 p = new PackageParser.Provider(p); 10045 p.syncable = false; 10046 } 10047 if (!mProvidersByAuthority.containsKey(names[j])) { 10048 mProvidersByAuthority.put(names[j], p); 10049 if (p.info.authority == null) { 10050 p.info.authority = names[j]; 10051 } else { 10052 p.info.authority = p.info.authority + ";" + names[j]; 10053 } 10054 if (DEBUG_PACKAGE_SCANNING) { 10055 if (chatty) 10056 Log.d(TAG, "Registered content provider: " + names[j] 10057 + ", className = " + p.info.name + ", isSyncable = " 10058 + p.info.isSyncable); 10059 } 10060 } else { 10061 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 10062 Slog.w(TAG, "Skipping provider name " + names[j] + 10063 " (in package " + pkg.applicationInfo.packageName + 10064 "): name already used by " 10065 + ((other != null && other.getComponentName() != null) 10066 ? other.getComponentName().getPackageName() : "?")); 10067 } 10068 } 10069 } 10070 if (chatty) { 10071 if (r == null) { 10072 r = new StringBuilder(256); 10073 } else { 10074 r.append(' '); 10075 } 10076 r.append(p.info.name); 10077 } 10078 } 10079 if (r != null) { 10080 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 10081 } 10082 10083 N = pkg.services.size(); 10084 r = null; 10085 for (i=0; i<N; i++) { 10086 PackageParser.Service s = pkg.services.get(i); 10087 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 10088 s.info.processName); 10089 mServices.addService(s); 10090 if (chatty) { 10091 if (r == null) { 10092 r = new StringBuilder(256); 10093 } else { 10094 r.append(' '); 10095 } 10096 r.append(s.info.name); 10097 } 10098 } 10099 if (r != null) { 10100 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 10101 } 10102 10103 N = pkg.receivers.size(); 10104 r = null; 10105 for (i=0; i<N; i++) { 10106 PackageParser.Activity a = pkg.receivers.get(i); 10107 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10108 a.info.processName); 10109 mReceivers.addActivity(a, "receiver"); 10110 if (chatty) { 10111 if (r == null) { 10112 r = new StringBuilder(256); 10113 } else { 10114 r.append(' '); 10115 } 10116 r.append(a.info.name); 10117 } 10118 } 10119 if (r != null) { 10120 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 10121 } 10122 10123 N = pkg.activities.size(); 10124 r = null; 10125 for (i=0; i<N; i++) { 10126 PackageParser.Activity a = pkg.activities.get(i); 10127 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10128 a.info.processName); 10129 mActivities.addActivity(a, "activity"); 10130 if (chatty) { 10131 if (r == null) { 10132 r = new StringBuilder(256); 10133 } else { 10134 r.append(' '); 10135 } 10136 r.append(a.info.name); 10137 } 10138 } 10139 if (r != null) { 10140 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 10141 } 10142 10143 N = pkg.permissionGroups.size(); 10144 r = null; 10145 for (i=0; i<N; i++) { 10146 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 10147 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 10148 final String curPackageName = cur == null ? null : cur.info.packageName; 10149 // Dont allow ephemeral apps to define new permission groups. 10150 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10151 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10152 + pg.info.packageName 10153 + " ignored: instant apps cannot define new permission groups."); 10154 continue; 10155 } 10156 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 10157 if (cur == null || isPackageUpdate) { 10158 mPermissionGroups.put(pg.info.name, pg); 10159 if (chatty) { 10160 if (r == null) { 10161 r = new StringBuilder(256); 10162 } else { 10163 r.append(' '); 10164 } 10165 if (isPackageUpdate) { 10166 r.append("UPD:"); 10167 } 10168 r.append(pg.info.name); 10169 } 10170 } else { 10171 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10172 + pg.info.packageName + " ignored: original from " 10173 + cur.info.packageName); 10174 if (chatty) { 10175 if (r == null) { 10176 r = new StringBuilder(256); 10177 } else { 10178 r.append(' '); 10179 } 10180 r.append("DUP:"); 10181 r.append(pg.info.name); 10182 } 10183 } 10184 } 10185 if (r != null) { 10186 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 10187 } 10188 10189 N = pkg.permissions.size(); 10190 r = null; 10191 for (i=0; i<N; i++) { 10192 PackageParser.Permission p = pkg.permissions.get(i); 10193 10194 // Dont allow ephemeral apps to define new permissions. 10195 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10196 Slog.w(TAG, "Permission " + p.info.name + " from package " 10197 + p.info.packageName 10198 + " ignored: instant apps cannot define new permissions."); 10199 continue; 10200 } 10201 10202 // Assume by default that we did not install this permission into the system. 10203 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 10204 10205 // Now that permission groups have a special meaning, we ignore permission 10206 // groups for legacy apps to prevent unexpected behavior. In particular, 10207 // permissions for one app being granted to someone just becase they happen 10208 // to be in a group defined by another app (before this had no implications). 10209 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 10210 p.group = mPermissionGroups.get(p.info.group); 10211 // Warn for a permission in an unknown group. 10212 if (p.info.group != null && p.group == null) { 10213 Slog.w(TAG, "Permission " + p.info.name + " from package " 10214 + p.info.packageName + " in an unknown group " + p.info.group); 10215 } 10216 } 10217 10218 ArrayMap<String, BasePermission> permissionMap = 10219 p.tree ? mSettings.mPermissionTrees 10220 : mSettings.mPermissions; 10221 BasePermission bp = permissionMap.get(p.info.name); 10222 10223 // Allow system apps to redefine non-system permissions 10224 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 10225 final boolean currentOwnerIsSystem = (bp.perm != null 10226 && isSystemApp(bp.perm.owner)); 10227 if (isSystemApp(p.owner)) { 10228 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 10229 // It's a built-in permission and no owner, take ownership now 10230 bp.packageSetting = pkgSetting; 10231 bp.perm = p; 10232 bp.uid = pkg.applicationInfo.uid; 10233 bp.sourcePackage = p.info.packageName; 10234 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10235 } else if (!currentOwnerIsSystem) { 10236 String msg = "New decl " + p.owner + " of permission " 10237 + p.info.name + " is system; overriding " + bp.sourcePackage; 10238 reportSettingsProblem(Log.WARN, msg); 10239 bp = null; 10240 } 10241 } 10242 } 10243 10244 if (bp == null) { 10245 bp = new BasePermission(p.info.name, p.info.packageName, 10246 BasePermission.TYPE_NORMAL); 10247 permissionMap.put(p.info.name, bp); 10248 } 10249 10250 if (bp.perm == null) { 10251 if (bp.sourcePackage == null 10252 || bp.sourcePackage.equals(p.info.packageName)) { 10253 BasePermission tree = findPermissionTreeLP(p.info.name); 10254 if (tree == null 10255 || tree.sourcePackage.equals(p.info.packageName)) { 10256 bp.packageSetting = pkgSetting; 10257 bp.perm = p; 10258 bp.uid = pkg.applicationInfo.uid; 10259 bp.sourcePackage = p.info.packageName; 10260 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10261 if (chatty) { 10262 if (r == null) { 10263 r = new StringBuilder(256); 10264 } else { 10265 r.append(' '); 10266 } 10267 r.append(p.info.name); 10268 } 10269 } else { 10270 Slog.w(TAG, "Permission " + p.info.name + " from package " 10271 + p.info.packageName + " ignored: base tree " 10272 + tree.name + " is from package " 10273 + tree.sourcePackage); 10274 } 10275 } else { 10276 Slog.w(TAG, "Permission " + p.info.name + " from package " 10277 + p.info.packageName + " ignored: original from " 10278 + bp.sourcePackage); 10279 } 10280 } else if (chatty) { 10281 if (r == null) { 10282 r = new StringBuilder(256); 10283 } else { 10284 r.append(' '); 10285 } 10286 r.append("DUP:"); 10287 r.append(p.info.name); 10288 } 10289 if (bp.perm == p) { 10290 bp.protectionLevel = p.info.protectionLevel; 10291 } 10292 } 10293 10294 if (r != null) { 10295 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 10296 } 10297 10298 N = pkg.instrumentation.size(); 10299 r = null; 10300 for (i=0; i<N; i++) { 10301 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 10302 a.info.packageName = pkg.applicationInfo.packageName; 10303 a.info.sourceDir = pkg.applicationInfo.sourceDir; 10304 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 10305 a.info.splitNames = pkg.splitNames; 10306 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 10307 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 10308 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 10309 a.info.dataDir = pkg.applicationInfo.dataDir; 10310 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 10311 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 10312 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 10313 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 10314 mInstrumentation.put(a.getComponentName(), a); 10315 if (chatty) { 10316 if (r == null) { 10317 r = new StringBuilder(256); 10318 } else { 10319 r.append(' '); 10320 } 10321 r.append(a.info.name); 10322 } 10323 } 10324 if (r != null) { 10325 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 10326 } 10327 10328 if (pkg.protectedBroadcasts != null) { 10329 N = pkg.protectedBroadcasts.size(); 10330 for (i=0; i<N; i++) { 10331 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 10332 } 10333 } 10334 } 10335 10336 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10337 } 10338 10339 /** 10340 * Derive the ABI of a non-system package located at {@code scanFile}. This information 10341 * is derived purely on the basis of the contents of {@code scanFile} and 10342 * {@code cpuAbiOverride}. 10343 * 10344 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 10345 */ 10346 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 10347 String cpuAbiOverride, boolean extractLibs, 10348 File appLib32InstallDir) 10349 throws PackageManagerException { 10350 // Give ourselves some initial paths; we'll come back for another 10351 // pass once we've determined ABI below. 10352 setNativeLibraryPaths(pkg, appLib32InstallDir); 10353 10354 // We would never need to extract libs for forward-locked and external packages, 10355 // since the container service will do it for us. We shouldn't attempt to 10356 // extract libs from system app when it was not updated. 10357 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 10358 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 10359 extractLibs = false; 10360 } 10361 10362 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 10363 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 10364 10365 NativeLibraryHelper.Handle handle = null; 10366 try { 10367 handle = NativeLibraryHelper.Handle.create(pkg); 10368 // TODO(multiArch): This can be null for apps that didn't go through the 10369 // usual installation process. We can calculate it again, like we 10370 // do during install time. 10371 // 10372 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 10373 // unnecessary. 10374 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 10375 10376 // Null out the abis so that they can be recalculated. 10377 pkg.applicationInfo.primaryCpuAbi = null; 10378 pkg.applicationInfo.secondaryCpuAbi = null; 10379 if (isMultiArch(pkg.applicationInfo)) { 10380 // Warn if we've set an abiOverride for multi-lib packages.. 10381 // By definition, we need to copy both 32 and 64 bit libraries for 10382 // such packages. 10383 if (pkg.cpuAbiOverride != null 10384 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 10385 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 10386 } 10387 10388 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 10389 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 10390 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 10391 if (extractLibs) { 10392 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10393 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10394 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 10395 useIsaSpecificSubdirs); 10396 } else { 10397 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10398 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 10399 } 10400 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10401 } 10402 10403 maybeThrowExceptionForMultiArchCopy( 10404 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 10405 10406 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 10407 if (extractLibs) { 10408 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10409 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10410 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 10411 useIsaSpecificSubdirs); 10412 } else { 10413 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10414 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 10415 } 10416 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10417 } 10418 10419 maybeThrowExceptionForMultiArchCopy( 10420 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 10421 10422 if (abi64 >= 0) { 10423 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 10424 } 10425 10426 if (abi32 >= 0) { 10427 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 10428 if (abi64 >= 0) { 10429 if (pkg.use32bitAbi) { 10430 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 10431 pkg.applicationInfo.primaryCpuAbi = abi; 10432 } else { 10433 pkg.applicationInfo.secondaryCpuAbi = abi; 10434 } 10435 } else { 10436 pkg.applicationInfo.primaryCpuAbi = abi; 10437 } 10438 } 10439 10440 } else { 10441 String[] abiList = (cpuAbiOverride != null) ? 10442 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 10443 10444 // Enable gross and lame hacks for apps that are built with old 10445 // SDK tools. We must scan their APKs for renderscript bitcode and 10446 // not launch them if it's present. Don't bother checking on devices 10447 // that don't have 64 bit support. 10448 boolean needsRenderScriptOverride = false; 10449 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 10450 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 10451 abiList = Build.SUPPORTED_32_BIT_ABIS; 10452 needsRenderScriptOverride = true; 10453 } 10454 10455 final int copyRet; 10456 if (extractLibs) { 10457 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10458 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10459 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 10460 } else { 10461 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10462 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 10463 } 10464 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10465 10466 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 10467 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 10468 "Error unpackaging native libs for app, errorCode=" + copyRet); 10469 } 10470 10471 if (copyRet >= 0) { 10472 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 10473 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 10474 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 10475 } else if (needsRenderScriptOverride) { 10476 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 10477 } 10478 } 10479 } catch (IOException ioe) { 10480 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 10481 } finally { 10482 IoUtils.closeQuietly(handle); 10483 } 10484 10485 // Now that we've calculated the ABIs and determined if it's an internal app, 10486 // we will go ahead and populate the nativeLibraryPath. 10487 setNativeLibraryPaths(pkg, appLib32InstallDir); 10488 } 10489 10490 /** 10491 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 10492 * i.e, so that all packages can be run inside a single process if required. 10493 * 10494 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 10495 * this function will either try and make the ABI for all packages in {@code packagesForUser} 10496 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 10497 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 10498 * updating a package that belongs to a shared user. 10499 * 10500 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 10501 * adds unnecessary complexity. 10502 */ 10503 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 10504 PackageParser.Package scannedPackage) { 10505 String requiredInstructionSet = null; 10506 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 10507 requiredInstructionSet = VMRuntime.getInstructionSet( 10508 scannedPackage.applicationInfo.primaryCpuAbi); 10509 } 10510 10511 PackageSetting requirer = null; 10512 for (PackageSetting ps : packagesForUser) { 10513 // If packagesForUser contains scannedPackage, we skip it. This will happen 10514 // when scannedPackage is an update of an existing package. Without this check, 10515 // we will never be able to change the ABI of any package belonging to a shared 10516 // user, even if it's compatible with other packages. 10517 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10518 if (ps.primaryCpuAbiString == null) { 10519 continue; 10520 } 10521 10522 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 10523 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 10524 // We have a mismatch between instruction sets (say arm vs arm64) warn about 10525 // this but there's not much we can do. 10526 String errorMessage = "Instruction set mismatch, " 10527 + ((requirer == null) ? "[caller]" : requirer) 10528 + " requires " + requiredInstructionSet + " whereas " + ps 10529 + " requires " + instructionSet; 10530 Slog.w(TAG, errorMessage); 10531 } 10532 10533 if (requiredInstructionSet == null) { 10534 requiredInstructionSet = instructionSet; 10535 requirer = ps; 10536 } 10537 } 10538 } 10539 10540 if (requiredInstructionSet != null) { 10541 String adjustedAbi; 10542 if (requirer != null) { 10543 // requirer != null implies that either scannedPackage was null or that scannedPackage 10544 // did not require an ABI, in which case we have to adjust scannedPackage to match 10545 // the ABI of the set (which is the same as requirer's ABI) 10546 adjustedAbi = requirer.primaryCpuAbiString; 10547 if (scannedPackage != null) { 10548 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 10549 } 10550 } else { 10551 // requirer == null implies that we're updating all ABIs in the set to 10552 // match scannedPackage. 10553 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 10554 } 10555 10556 for (PackageSetting ps : packagesForUser) { 10557 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10558 if (ps.primaryCpuAbiString != null) { 10559 continue; 10560 } 10561 10562 ps.primaryCpuAbiString = adjustedAbi; 10563 if (ps.pkg != null && ps.pkg.applicationInfo != null && 10564 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 10565 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 10566 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 10567 + " (requirer=" 10568 + (requirer == null ? "null" : requirer.pkg.packageName) 10569 + ", scannedPackage=" 10570 + (scannedPackage != null ? scannedPackage.packageName : "null") 10571 + ")"); 10572 try { 10573 mInstaller.rmdex(ps.codePathString, 10574 getDexCodeInstructionSet(getPreferredInstructionSet())); 10575 } catch (InstallerException ignored) { 10576 } 10577 } 10578 } 10579 } 10580 } 10581 } 10582 10583 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 10584 synchronized (mPackages) { 10585 mResolverReplaced = true; 10586 // Set up information for custom user intent resolution activity. 10587 mResolveActivity.applicationInfo = pkg.applicationInfo; 10588 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 10589 mResolveActivity.packageName = pkg.applicationInfo.packageName; 10590 mResolveActivity.processName = pkg.applicationInfo.packageName; 10591 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10592 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 10593 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10594 mResolveActivity.theme = 0; 10595 mResolveActivity.exported = true; 10596 mResolveActivity.enabled = true; 10597 mResolveInfo.activityInfo = mResolveActivity; 10598 mResolveInfo.priority = 0; 10599 mResolveInfo.preferredOrder = 0; 10600 mResolveInfo.match = 0; 10601 mResolveComponentName = mCustomResolverComponentName; 10602 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 10603 mResolveComponentName); 10604 } 10605 } 10606 10607 private void setUpInstantAppInstallerActivityLP(ComponentName installerComponent) { 10608 if (installerComponent == null) { 10609 if (DEBUG_EPHEMERAL) { 10610 Slog.d(TAG, "Clear ephemeral installer activity"); 10611 } 10612 mInstantAppInstallerActivity.applicationInfo = null; 10613 return; 10614 } 10615 10616 if (DEBUG_EPHEMERAL) { 10617 Slog.d(TAG, "Set ephemeral installer activity: " + installerComponent); 10618 } 10619 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 10620 // Set up information for ephemeral installer activity 10621 mInstantAppInstallerActivity.applicationInfo = pkg.applicationInfo; 10622 mInstantAppInstallerActivity.name = installerComponent.getClassName(); 10623 mInstantAppInstallerActivity.packageName = pkg.applicationInfo.packageName; 10624 mInstantAppInstallerActivity.processName = pkg.applicationInfo.packageName; 10625 mInstantAppInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10626 mInstantAppInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 10627 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10628 mInstantAppInstallerActivity.theme = 0; 10629 mInstantAppInstallerActivity.exported = true; 10630 mInstantAppInstallerActivity.enabled = true; 10631 mInstantAppInstallerInfo.activityInfo = mInstantAppInstallerActivity; 10632 mInstantAppInstallerInfo.priority = 0; 10633 mInstantAppInstallerInfo.preferredOrder = 1; 10634 mInstantAppInstallerInfo.isDefault = true; 10635 mInstantAppInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 10636 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 10637 } 10638 10639 private static String calculateBundledApkRoot(final String codePathString) { 10640 final File codePath = new File(codePathString); 10641 final File codeRoot; 10642 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 10643 codeRoot = Environment.getRootDirectory(); 10644 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 10645 codeRoot = Environment.getOemDirectory(); 10646 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 10647 codeRoot = Environment.getVendorDirectory(); 10648 } else { 10649 // Unrecognized code path; take its top real segment as the apk root: 10650 // e.g. /something/app/blah.apk => /something 10651 try { 10652 File f = codePath.getCanonicalFile(); 10653 File parent = f.getParentFile(); // non-null because codePath is a file 10654 File tmp; 10655 while ((tmp = parent.getParentFile()) != null) { 10656 f = parent; 10657 parent = tmp; 10658 } 10659 codeRoot = f; 10660 Slog.w(TAG, "Unrecognized code path " 10661 + codePath + " - using " + codeRoot); 10662 } catch (IOException e) { 10663 // Can't canonicalize the code path -- shenanigans? 10664 Slog.w(TAG, "Can't canonicalize code path " + codePath); 10665 return Environment.getRootDirectory().getPath(); 10666 } 10667 } 10668 return codeRoot.getPath(); 10669 } 10670 10671 /** 10672 * Derive and set the location of native libraries for the given package, 10673 * which varies depending on where and how the package was installed. 10674 */ 10675 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 10676 final ApplicationInfo info = pkg.applicationInfo; 10677 final String codePath = pkg.codePath; 10678 final File codeFile = new File(codePath); 10679 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 10680 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 10681 10682 info.nativeLibraryRootDir = null; 10683 info.nativeLibraryRootRequiresIsa = false; 10684 info.nativeLibraryDir = null; 10685 info.secondaryNativeLibraryDir = null; 10686 10687 if (isApkFile(codeFile)) { 10688 // Monolithic install 10689 if (bundledApp) { 10690 // If "/system/lib64/apkname" exists, assume that is the per-package 10691 // native library directory to use; otherwise use "/system/lib/apkname". 10692 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 10693 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 10694 getPrimaryInstructionSet(info)); 10695 10696 // This is a bundled system app so choose the path based on the ABI. 10697 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 10698 // is just the default path. 10699 final String apkName = deriveCodePathName(codePath); 10700 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 10701 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 10702 apkName).getAbsolutePath(); 10703 10704 if (info.secondaryCpuAbi != null) { 10705 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 10706 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 10707 secondaryLibDir, apkName).getAbsolutePath(); 10708 } 10709 } else if (asecApp) { 10710 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 10711 .getAbsolutePath(); 10712 } else { 10713 final String apkName = deriveCodePathName(codePath); 10714 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 10715 .getAbsolutePath(); 10716 } 10717 10718 info.nativeLibraryRootRequiresIsa = false; 10719 info.nativeLibraryDir = info.nativeLibraryRootDir; 10720 } else { 10721 // Cluster install 10722 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 10723 info.nativeLibraryRootRequiresIsa = true; 10724 10725 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 10726 getPrimaryInstructionSet(info)).getAbsolutePath(); 10727 10728 if (info.secondaryCpuAbi != null) { 10729 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 10730 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 10731 } 10732 } 10733 } 10734 10735 /** 10736 * Calculate the abis and roots for a bundled app. These can uniquely 10737 * be determined from the contents of the system partition, i.e whether 10738 * it contains 64 or 32 bit shared libraries etc. We do not validate any 10739 * of this information, and instead assume that the system was built 10740 * sensibly. 10741 */ 10742 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 10743 PackageSetting pkgSetting) { 10744 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 10745 10746 // If "/system/lib64/apkname" exists, assume that is the per-package 10747 // native library directory to use; otherwise use "/system/lib/apkname". 10748 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 10749 setBundledAppAbi(pkg, apkRoot, apkName); 10750 // pkgSetting might be null during rescan following uninstall of updates 10751 // to a bundled app, so accommodate that possibility. The settings in 10752 // that case will be established later from the parsed package. 10753 // 10754 // If the settings aren't null, sync them up with what we've just derived. 10755 // note that apkRoot isn't stored in the package settings. 10756 if (pkgSetting != null) { 10757 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10758 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10759 } 10760 } 10761 10762 /** 10763 * Deduces the ABI of a bundled app and sets the relevant fields on the 10764 * parsed pkg object. 10765 * 10766 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 10767 * under which system libraries are installed. 10768 * @param apkName the name of the installed package. 10769 */ 10770 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 10771 final File codeFile = new File(pkg.codePath); 10772 10773 final boolean has64BitLibs; 10774 final boolean has32BitLibs; 10775 if (isApkFile(codeFile)) { 10776 // Monolithic install 10777 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 10778 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 10779 } else { 10780 // Cluster install 10781 final File rootDir = new File(codeFile, LIB_DIR_NAME); 10782 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 10783 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 10784 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 10785 has64BitLibs = (new File(rootDir, isa)).exists(); 10786 } else { 10787 has64BitLibs = false; 10788 } 10789 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 10790 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 10791 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 10792 has32BitLibs = (new File(rootDir, isa)).exists(); 10793 } else { 10794 has32BitLibs = false; 10795 } 10796 } 10797 10798 if (has64BitLibs && !has32BitLibs) { 10799 // The package has 64 bit libs, but not 32 bit libs. Its primary 10800 // ABI should be 64 bit. We can safely assume here that the bundled 10801 // native libraries correspond to the most preferred ABI in the list. 10802 10803 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10804 pkg.applicationInfo.secondaryCpuAbi = null; 10805 } else if (has32BitLibs && !has64BitLibs) { 10806 // The package has 32 bit libs but not 64 bit libs. Its primary 10807 // ABI should be 32 bit. 10808 10809 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10810 pkg.applicationInfo.secondaryCpuAbi = null; 10811 } else if (has32BitLibs && has64BitLibs) { 10812 // The application has both 64 and 32 bit bundled libraries. We check 10813 // here that the app declares multiArch support, and warn if it doesn't. 10814 // 10815 // We will be lenient here and record both ABIs. The primary will be the 10816 // ABI that's higher on the list, i.e, a device that's configured to prefer 10817 // 64 bit apps will see a 64 bit primary ABI, 10818 10819 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 10820 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 10821 } 10822 10823 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 10824 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10825 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10826 } else { 10827 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10828 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10829 } 10830 } else { 10831 pkg.applicationInfo.primaryCpuAbi = null; 10832 pkg.applicationInfo.secondaryCpuAbi = null; 10833 } 10834 } 10835 10836 private void killApplication(String pkgName, int appId, String reason) { 10837 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 10838 } 10839 10840 private void killApplication(String pkgName, int appId, int userId, String reason) { 10841 // Request the ActivityManager to kill the process(only for existing packages) 10842 // so that we do not end up in a confused state while the user is still using the older 10843 // version of the application while the new one gets installed. 10844 final long token = Binder.clearCallingIdentity(); 10845 try { 10846 IActivityManager am = ActivityManager.getService(); 10847 if (am != null) { 10848 try { 10849 am.killApplication(pkgName, appId, userId, reason); 10850 } catch (RemoteException e) { 10851 } 10852 } 10853 } finally { 10854 Binder.restoreCallingIdentity(token); 10855 } 10856 } 10857 10858 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 10859 // Remove the parent package setting 10860 PackageSetting ps = (PackageSetting) pkg.mExtras; 10861 if (ps != null) { 10862 removePackageLI(ps, chatty); 10863 } 10864 // Remove the child package setting 10865 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10866 for (int i = 0; i < childCount; i++) { 10867 PackageParser.Package childPkg = pkg.childPackages.get(i); 10868 ps = (PackageSetting) childPkg.mExtras; 10869 if (ps != null) { 10870 removePackageLI(ps, chatty); 10871 } 10872 } 10873 } 10874 10875 void removePackageLI(PackageSetting ps, boolean chatty) { 10876 if (DEBUG_INSTALL) { 10877 if (chatty) 10878 Log.d(TAG, "Removing package " + ps.name); 10879 } 10880 10881 // writer 10882 synchronized (mPackages) { 10883 mPackages.remove(ps.name); 10884 final PackageParser.Package pkg = ps.pkg; 10885 if (pkg != null) { 10886 cleanPackageDataStructuresLILPw(pkg, chatty); 10887 } 10888 } 10889 } 10890 10891 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 10892 if (DEBUG_INSTALL) { 10893 if (chatty) 10894 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 10895 } 10896 10897 // writer 10898 synchronized (mPackages) { 10899 // Remove the parent package 10900 mPackages.remove(pkg.applicationInfo.packageName); 10901 cleanPackageDataStructuresLILPw(pkg, chatty); 10902 10903 // Remove the child packages 10904 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10905 for (int i = 0; i < childCount; i++) { 10906 PackageParser.Package childPkg = pkg.childPackages.get(i); 10907 mPackages.remove(childPkg.applicationInfo.packageName); 10908 cleanPackageDataStructuresLILPw(childPkg, chatty); 10909 } 10910 } 10911 } 10912 10913 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 10914 int N = pkg.providers.size(); 10915 StringBuilder r = null; 10916 int i; 10917 for (i=0; i<N; i++) { 10918 PackageParser.Provider p = pkg.providers.get(i); 10919 mProviders.removeProvider(p); 10920 if (p.info.authority == null) { 10921 10922 /* There was another ContentProvider with this authority when 10923 * this app was installed so this authority is null, 10924 * Ignore it as we don't have to unregister the provider. 10925 */ 10926 continue; 10927 } 10928 String names[] = p.info.authority.split(";"); 10929 for (int j = 0; j < names.length; j++) { 10930 if (mProvidersByAuthority.get(names[j]) == p) { 10931 mProvidersByAuthority.remove(names[j]); 10932 if (DEBUG_REMOVE) { 10933 if (chatty) 10934 Log.d(TAG, "Unregistered content provider: " + names[j] 10935 + ", className = " + p.info.name + ", isSyncable = " 10936 + p.info.isSyncable); 10937 } 10938 } 10939 } 10940 if (DEBUG_REMOVE && chatty) { 10941 if (r == null) { 10942 r = new StringBuilder(256); 10943 } else { 10944 r.append(' '); 10945 } 10946 r.append(p.info.name); 10947 } 10948 } 10949 if (r != null) { 10950 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 10951 } 10952 10953 N = pkg.services.size(); 10954 r = null; 10955 for (i=0; i<N; i++) { 10956 PackageParser.Service s = pkg.services.get(i); 10957 mServices.removeService(s); 10958 if (chatty) { 10959 if (r == null) { 10960 r = new StringBuilder(256); 10961 } else { 10962 r.append(' '); 10963 } 10964 r.append(s.info.name); 10965 } 10966 } 10967 if (r != null) { 10968 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 10969 } 10970 10971 N = pkg.receivers.size(); 10972 r = null; 10973 for (i=0; i<N; i++) { 10974 PackageParser.Activity a = pkg.receivers.get(i); 10975 mReceivers.removeActivity(a, "receiver"); 10976 if (DEBUG_REMOVE && chatty) { 10977 if (r == null) { 10978 r = new StringBuilder(256); 10979 } else { 10980 r.append(' '); 10981 } 10982 r.append(a.info.name); 10983 } 10984 } 10985 if (r != null) { 10986 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 10987 } 10988 10989 N = pkg.activities.size(); 10990 r = null; 10991 for (i=0; i<N; i++) { 10992 PackageParser.Activity a = pkg.activities.get(i); 10993 mActivities.removeActivity(a, "activity"); 10994 if (DEBUG_REMOVE && chatty) { 10995 if (r == null) { 10996 r = new StringBuilder(256); 10997 } else { 10998 r.append(' '); 10999 } 11000 r.append(a.info.name); 11001 } 11002 } 11003 if (r != null) { 11004 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 11005 } 11006 11007 N = pkg.permissions.size(); 11008 r = null; 11009 for (i=0; i<N; i++) { 11010 PackageParser.Permission p = pkg.permissions.get(i); 11011 BasePermission bp = mSettings.mPermissions.get(p.info.name); 11012 if (bp == null) { 11013 bp = mSettings.mPermissionTrees.get(p.info.name); 11014 } 11015 if (bp != null && bp.perm == p) { 11016 bp.perm = null; 11017 if (DEBUG_REMOVE && chatty) { 11018 if (r == null) { 11019 r = new StringBuilder(256); 11020 } else { 11021 r.append(' '); 11022 } 11023 r.append(p.info.name); 11024 } 11025 } 11026 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11027 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 11028 if (appOpPkgs != null) { 11029 appOpPkgs.remove(pkg.packageName); 11030 } 11031 } 11032 } 11033 if (r != null) { 11034 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11035 } 11036 11037 N = pkg.requestedPermissions.size(); 11038 r = null; 11039 for (i=0; i<N; i++) { 11040 String perm = pkg.requestedPermissions.get(i); 11041 BasePermission bp = mSettings.mPermissions.get(perm); 11042 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11043 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 11044 if (appOpPkgs != null) { 11045 appOpPkgs.remove(pkg.packageName); 11046 if (appOpPkgs.isEmpty()) { 11047 mAppOpPermissionPackages.remove(perm); 11048 } 11049 } 11050 } 11051 } 11052 if (r != null) { 11053 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11054 } 11055 11056 N = pkg.instrumentation.size(); 11057 r = null; 11058 for (i=0; i<N; i++) { 11059 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11060 mInstrumentation.remove(a.getComponentName()); 11061 if (DEBUG_REMOVE && chatty) { 11062 if (r == null) { 11063 r = new StringBuilder(256); 11064 } else { 11065 r.append(' '); 11066 } 11067 r.append(a.info.name); 11068 } 11069 } 11070 if (r != null) { 11071 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 11072 } 11073 11074 r = null; 11075 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 11076 // Only system apps can hold shared libraries. 11077 if (pkg.libraryNames != null) { 11078 for (i = 0; i < pkg.libraryNames.size(); i++) { 11079 String name = pkg.libraryNames.get(i); 11080 if (removeSharedLibraryLPw(name, 0)) { 11081 if (DEBUG_REMOVE && chatty) { 11082 if (r == null) { 11083 r = new StringBuilder(256); 11084 } else { 11085 r.append(' '); 11086 } 11087 r.append(name); 11088 } 11089 } 11090 } 11091 } 11092 } 11093 11094 r = null; 11095 11096 // Any package can hold static shared libraries. 11097 if (pkg.staticSharedLibName != null) { 11098 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 11099 if (DEBUG_REMOVE && chatty) { 11100 if (r == null) { 11101 r = new StringBuilder(256); 11102 } else { 11103 r.append(' '); 11104 } 11105 r.append(pkg.staticSharedLibName); 11106 } 11107 } 11108 } 11109 11110 if (r != null) { 11111 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 11112 } 11113 } 11114 11115 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 11116 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 11117 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 11118 return true; 11119 } 11120 } 11121 return false; 11122 } 11123 11124 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 11125 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 11126 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 11127 11128 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 11129 // Update the parent permissions 11130 updatePermissionsLPw(pkg.packageName, pkg, flags); 11131 // Update the child permissions 11132 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11133 for (int i = 0; i < childCount; i++) { 11134 PackageParser.Package childPkg = pkg.childPackages.get(i); 11135 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 11136 } 11137 } 11138 11139 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 11140 int flags) { 11141 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 11142 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 11143 } 11144 11145 private void updatePermissionsLPw(String changingPkg, 11146 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 11147 // Make sure there are no dangling permission trees. 11148 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 11149 while (it.hasNext()) { 11150 final BasePermission bp = it.next(); 11151 if (bp.packageSetting == null) { 11152 // We may not yet have parsed the package, so just see if 11153 // we still know about its settings. 11154 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11155 } 11156 if (bp.packageSetting == null) { 11157 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 11158 + " from package " + bp.sourcePackage); 11159 it.remove(); 11160 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11161 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11162 Slog.i(TAG, "Removing old permission tree: " + bp.name 11163 + " from package " + bp.sourcePackage); 11164 flags |= UPDATE_PERMISSIONS_ALL; 11165 it.remove(); 11166 } 11167 } 11168 } 11169 11170 // Make sure all dynamic permissions have been assigned to a package, 11171 // and make sure there are no dangling permissions. 11172 it = mSettings.mPermissions.values().iterator(); 11173 while (it.hasNext()) { 11174 final BasePermission bp = it.next(); 11175 if (bp.type == BasePermission.TYPE_DYNAMIC) { 11176 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 11177 + bp.name + " pkg=" + bp.sourcePackage 11178 + " info=" + bp.pendingInfo); 11179 if (bp.packageSetting == null && bp.pendingInfo != null) { 11180 final BasePermission tree = findPermissionTreeLP(bp.name); 11181 if (tree != null && tree.perm != null) { 11182 bp.packageSetting = tree.packageSetting; 11183 bp.perm = new PackageParser.Permission(tree.perm.owner, 11184 new PermissionInfo(bp.pendingInfo)); 11185 bp.perm.info.packageName = tree.perm.info.packageName; 11186 bp.perm.info.name = bp.name; 11187 bp.uid = tree.uid; 11188 } 11189 } 11190 } 11191 if (bp.packageSetting == null) { 11192 // We may not yet have parsed the package, so just see if 11193 // we still know about its settings. 11194 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11195 } 11196 if (bp.packageSetting == null) { 11197 Slog.w(TAG, "Removing dangling permission: " + bp.name 11198 + " from package " + bp.sourcePackage); 11199 it.remove(); 11200 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11201 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11202 Slog.i(TAG, "Removing old permission: " + bp.name 11203 + " from package " + bp.sourcePackage); 11204 flags |= UPDATE_PERMISSIONS_ALL; 11205 it.remove(); 11206 } 11207 } 11208 } 11209 11210 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 11211 // Now update the permissions for all packages, in particular 11212 // replace the granted permissions of the system packages. 11213 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 11214 for (PackageParser.Package pkg : mPackages.values()) { 11215 if (pkg != pkgInfo) { 11216 // Only replace for packages on requested volume 11217 final String volumeUuid = getVolumeUuidForPackage(pkg); 11218 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 11219 && Objects.equals(replaceVolumeUuid, volumeUuid); 11220 grantPermissionsLPw(pkg, replace, changingPkg); 11221 } 11222 } 11223 } 11224 11225 if (pkgInfo != null) { 11226 // Only replace for packages on requested volume 11227 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 11228 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 11229 && Objects.equals(replaceVolumeUuid, volumeUuid); 11230 grantPermissionsLPw(pkgInfo, replace, changingPkg); 11231 } 11232 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11233 } 11234 11235 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 11236 String packageOfInterest) { 11237 // IMPORTANT: There are two types of permissions: install and runtime. 11238 // Install time permissions are granted when the app is installed to 11239 // all device users and users added in the future. Runtime permissions 11240 // are granted at runtime explicitly to specific users. Normal and signature 11241 // protected permissions are install time permissions. Dangerous permissions 11242 // are install permissions if the app's target SDK is Lollipop MR1 or older, 11243 // otherwise they are runtime permissions. This function does not manage 11244 // runtime permissions except for the case an app targeting Lollipop MR1 11245 // being upgraded to target a newer SDK, in which case dangerous permissions 11246 // are transformed from install time to runtime ones. 11247 11248 final PackageSetting ps = (PackageSetting) pkg.mExtras; 11249 if (ps == null) { 11250 return; 11251 } 11252 11253 PermissionsState permissionsState = ps.getPermissionsState(); 11254 PermissionsState origPermissions = permissionsState; 11255 11256 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 11257 11258 boolean runtimePermissionsRevoked = false; 11259 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 11260 11261 boolean changedInstallPermission = false; 11262 11263 if (replace) { 11264 ps.installPermissionsFixed = false; 11265 if (!ps.isSharedUser()) { 11266 origPermissions = new PermissionsState(permissionsState); 11267 permissionsState.reset(); 11268 } else { 11269 // We need to know only about runtime permission changes since the 11270 // calling code always writes the install permissions state but 11271 // the runtime ones are written only if changed. The only cases of 11272 // changed runtime permissions here are promotion of an install to 11273 // runtime and revocation of a runtime from a shared user. 11274 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 11275 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 11276 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 11277 runtimePermissionsRevoked = true; 11278 } 11279 } 11280 } 11281 11282 permissionsState.setGlobalGids(mGlobalGids); 11283 11284 final int N = pkg.requestedPermissions.size(); 11285 for (int i=0; i<N; i++) { 11286 final String name = pkg.requestedPermissions.get(i); 11287 final BasePermission bp = mSettings.mPermissions.get(name); 11288 11289 if (DEBUG_INSTALL) { 11290 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 11291 } 11292 11293 if (bp == null || bp.packageSetting == null) { 11294 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11295 Slog.w(TAG, "Unknown permission " + name 11296 + " in package " + pkg.packageName); 11297 } 11298 continue; 11299 } 11300 11301 11302 // Limit ephemeral apps to ephemeral allowed permissions. 11303 if (pkg.applicationInfo.isInstantApp() && !bp.isInstant()) { 11304 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 11305 + pkg.packageName); 11306 continue; 11307 } 11308 11309 final String perm = bp.name; 11310 boolean allowedSig = false; 11311 int grant = GRANT_DENIED; 11312 11313 // Keep track of app op permissions. 11314 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11315 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 11316 if (pkgs == null) { 11317 pkgs = new ArraySet<>(); 11318 mAppOpPermissionPackages.put(bp.name, pkgs); 11319 } 11320 pkgs.add(pkg.packageName); 11321 } 11322 11323 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 11324 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 11325 >= Build.VERSION_CODES.M; 11326 switch (level) { 11327 case PermissionInfo.PROTECTION_NORMAL: { 11328 // For all apps normal permissions are install time ones. 11329 grant = GRANT_INSTALL; 11330 } break; 11331 11332 case PermissionInfo.PROTECTION_DANGEROUS: { 11333 // If a permission review is required for legacy apps we represent 11334 // their permissions as always granted runtime ones since we need 11335 // to keep the review required permission flag per user while an 11336 // install permission's state is shared across all users. 11337 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 11338 // For legacy apps dangerous permissions are install time ones. 11339 grant = GRANT_INSTALL; 11340 } else if (origPermissions.hasInstallPermission(bp.name)) { 11341 // For legacy apps that became modern, install becomes runtime. 11342 grant = GRANT_UPGRADE; 11343 } else if (mPromoteSystemApps 11344 && isSystemApp(ps) 11345 && mExistingSystemPackages.contains(ps.name)) { 11346 // For legacy system apps, install becomes runtime. 11347 // We cannot check hasInstallPermission() for system apps since those 11348 // permissions were granted implicitly and not persisted pre-M. 11349 grant = GRANT_UPGRADE; 11350 } else { 11351 // For modern apps keep runtime permissions unchanged. 11352 grant = GRANT_RUNTIME; 11353 } 11354 } break; 11355 11356 case PermissionInfo.PROTECTION_SIGNATURE: { 11357 // For all apps signature permissions are install time ones. 11358 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 11359 if (allowedSig) { 11360 grant = GRANT_INSTALL; 11361 } 11362 } break; 11363 } 11364 11365 if (DEBUG_INSTALL) { 11366 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 11367 } 11368 11369 if (grant != GRANT_DENIED) { 11370 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 11371 // If this is an existing, non-system package, then 11372 // we can't add any new permissions to it. 11373 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 11374 // Except... if this is a permission that was added 11375 // to the platform (note: need to only do this when 11376 // updating the platform). 11377 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 11378 grant = GRANT_DENIED; 11379 } 11380 } 11381 } 11382 11383 switch (grant) { 11384 case GRANT_INSTALL: { 11385 // Revoke this as runtime permission to handle the case of 11386 // a runtime permission being downgraded to an install one. 11387 // Also in permission review mode we keep dangerous permissions 11388 // for legacy apps 11389 for (int userId : UserManagerService.getInstance().getUserIds()) { 11390 if (origPermissions.getRuntimePermissionState( 11391 bp.name, userId) != null) { 11392 // Revoke the runtime permission and clear the flags. 11393 origPermissions.revokeRuntimePermission(bp, userId); 11394 origPermissions.updatePermissionFlags(bp, userId, 11395 PackageManager.MASK_PERMISSION_FLAGS, 0); 11396 // If we revoked a permission permission, we have to write. 11397 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11398 changedRuntimePermissionUserIds, userId); 11399 } 11400 } 11401 // Grant an install permission. 11402 if (permissionsState.grantInstallPermission(bp) != 11403 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11404 changedInstallPermission = true; 11405 } 11406 } break; 11407 11408 case GRANT_RUNTIME: { 11409 // Grant previously granted runtime permissions. 11410 for (int userId : UserManagerService.getInstance().getUserIds()) { 11411 PermissionState permissionState = origPermissions 11412 .getRuntimePermissionState(bp.name, userId); 11413 int flags = permissionState != null 11414 ? permissionState.getFlags() : 0; 11415 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 11416 // Don't propagate the permission in a permission review mode if 11417 // the former was revoked, i.e. marked to not propagate on upgrade. 11418 // Note that in a permission review mode install permissions are 11419 // represented as constantly granted runtime ones since we need to 11420 // keep a per user state associated with the permission. Also the 11421 // revoke on upgrade flag is no longer applicable and is reset. 11422 final boolean revokeOnUpgrade = (flags & PackageManager 11423 .FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 11424 if (revokeOnUpgrade) { 11425 flags &= ~PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 11426 // Since we changed the flags, we have to write. 11427 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11428 changedRuntimePermissionUserIds, userId); 11429 } 11430 if (!mPermissionReviewRequired || !revokeOnUpgrade) { 11431 if (permissionsState.grantRuntimePermission(bp, userId) == 11432 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11433 // If we cannot put the permission as it was, 11434 // we have to write. 11435 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11436 changedRuntimePermissionUserIds, userId); 11437 } 11438 } 11439 11440 // If the app supports runtime permissions no need for a review. 11441 if (mPermissionReviewRequired 11442 && appSupportsRuntimePermissions 11443 && (flags & PackageManager 11444 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 11445 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 11446 // Since we changed the flags, we have to write. 11447 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11448 changedRuntimePermissionUserIds, userId); 11449 } 11450 } else if (mPermissionReviewRequired 11451 && !appSupportsRuntimePermissions) { 11452 // For legacy apps that need a permission review, every new 11453 // runtime permission is granted but it is pending a review. 11454 // We also need to review only platform defined runtime 11455 // permissions as these are the only ones the platform knows 11456 // how to disable the API to simulate revocation as legacy 11457 // apps don't expect to run with revoked permissions. 11458 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 11459 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 11460 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 11461 // We changed the flags, hence have to write. 11462 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11463 changedRuntimePermissionUserIds, userId); 11464 } 11465 } 11466 if (permissionsState.grantRuntimePermission(bp, userId) 11467 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11468 // We changed the permission, hence have to write. 11469 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11470 changedRuntimePermissionUserIds, userId); 11471 } 11472 } 11473 // Propagate the permission flags. 11474 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 11475 } 11476 } break; 11477 11478 case GRANT_UPGRADE: { 11479 // Grant runtime permissions for a previously held install permission. 11480 PermissionState permissionState = origPermissions 11481 .getInstallPermissionState(bp.name); 11482 final int flags = permissionState != null ? permissionState.getFlags() : 0; 11483 11484 if (origPermissions.revokeInstallPermission(bp) 11485 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11486 // We will be transferring the permission flags, so clear them. 11487 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 11488 PackageManager.MASK_PERMISSION_FLAGS, 0); 11489 changedInstallPermission = true; 11490 } 11491 11492 // If the permission is not to be promoted to runtime we ignore it and 11493 // also its other flags as they are not applicable to install permissions. 11494 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 11495 for (int userId : currentUserIds) { 11496 if (permissionsState.grantRuntimePermission(bp, userId) != 11497 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11498 // Transfer the permission flags. 11499 permissionsState.updatePermissionFlags(bp, userId, 11500 flags, flags); 11501 // If we granted the permission, we have to write. 11502 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11503 changedRuntimePermissionUserIds, userId); 11504 } 11505 } 11506 } 11507 } break; 11508 11509 default: { 11510 if (packageOfInterest == null 11511 || packageOfInterest.equals(pkg.packageName)) { 11512 Slog.w(TAG, "Not granting permission " + perm 11513 + " to package " + pkg.packageName 11514 + " because it was previously installed without"); 11515 } 11516 } break; 11517 } 11518 } else { 11519 if (permissionsState.revokeInstallPermission(bp) != 11520 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11521 // Also drop the permission flags. 11522 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 11523 PackageManager.MASK_PERMISSION_FLAGS, 0); 11524 changedInstallPermission = true; 11525 Slog.i(TAG, "Un-granting permission " + perm 11526 + " from package " + pkg.packageName 11527 + " (protectionLevel=" + bp.protectionLevel 11528 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11529 + ")"); 11530 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 11531 // Don't print warning for app op permissions, since it is fine for them 11532 // not to be granted, there is a UI for the user to decide. 11533 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11534 Slog.w(TAG, "Not granting permission " + perm 11535 + " to package " + pkg.packageName 11536 + " (protectionLevel=" + bp.protectionLevel 11537 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11538 + ")"); 11539 } 11540 } 11541 } 11542 } 11543 11544 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 11545 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 11546 // This is the first that we have heard about this package, so the 11547 // permissions we have now selected are fixed until explicitly 11548 // changed. 11549 ps.installPermissionsFixed = true; 11550 } 11551 11552 // Persist the runtime permissions state for users with changes. If permissions 11553 // were revoked because no app in the shared user declares them we have to 11554 // write synchronously to avoid losing runtime permissions state. 11555 for (int userId : changedRuntimePermissionUserIds) { 11556 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 11557 } 11558 } 11559 11560 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 11561 boolean allowed = false; 11562 final int NP = PackageParser.NEW_PERMISSIONS.length; 11563 for (int ip=0; ip<NP; ip++) { 11564 final PackageParser.NewPermissionInfo npi 11565 = PackageParser.NEW_PERMISSIONS[ip]; 11566 if (npi.name.equals(perm) 11567 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 11568 allowed = true; 11569 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 11570 + pkg.packageName); 11571 break; 11572 } 11573 } 11574 return allowed; 11575 } 11576 11577 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 11578 BasePermission bp, PermissionsState origPermissions) { 11579 boolean privilegedPermission = (bp.protectionLevel 11580 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 11581 boolean privappPermissionsDisable = 11582 RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; 11583 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 11584 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 11585 if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivilegedApp() 11586 && !platformPackage && platformPermission) { 11587 ArraySet<String> wlPermissions = SystemConfig.getInstance() 11588 .getPrivAppPermissions(pkg.packageName); 11589 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 11590 if (!whitelisted) { 11591 Slog.w(TAG, "Privileged permission " + perm + " for package " 11592 + pkg.packageName + " - not in privapp-permissions whitelist"); 11593 // Only report violations for apps on system image 11594 if (!mSystemReady && !pkg.isUpdatedSystemApp()) { 11595 if (mPrivappPermissionsViolations == null) { 11596 mPrivappPermissionsViolations = new ArraySet<>(); 11597 } 11598 mPrivappPermissionsViolations.add(pkg.packageName + ": " + perm); 11599 } 11600 if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { 11601 return false; 11602 } 11603 } 11604 } 11605 boolean allowed = (compareSignatures( 11606 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 11607 == PackageManager.SIGNATURE_MATCH) 11608 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 11609 == PackageManager.SIGNATURE_MATCH); 11610 if (!allowed && privilegedPermission) { 11611 if (isSystemApp(pkg)) { 11612 // For updated system applications, a system permission 11613 // is granted only if it had been defined by the original application. 11614 if (pkg.isUpdatedSystemApp()) { 11615 final PackageSetting sysPs = mSettings 11616 .getDisabledSystemPkgLPr(pkg.packageName); 11617 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 11618 // If the original was granted this permission, we take 11619 // that grant decision as read and propagate it to the 11620 // update. 11621 if (sysPs.isPrivileged()) { 11622 allowed = true; 11623 } 11624 } else { 11625 // The system apk may have been updated with an older 11626 // version of the one on the data partition, but which 11627 // granted a new system permission that it didn't have 11628 // before. In this case we do want to allow the app to 11629 // now get the new permission if the ancestral apk is 11630 // privileged to get it. 11631 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 11632 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 11633 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 11634 allowed = true; 11635 break; 11636 } 11637 } 11638 } 11639 // Also if a privileged parent package on the system image or any of 11640 // its children requested a privileged permission, the updated child 11641 // packages can also get the permission. 11642 if (pkg.parentPackage != null) { 11643 final PackageSetting disabledSysParentPs = mSettings 11644 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 11645 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 11646 && disabledSysParentPs.isPrivileged()) { 11647 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 11648 allowed = true; 11649 } else if (disabledSysParentPs.pkg.childPackages != null) { 11650 final int count = disabledSysParentPs.pkg.childPackages.size(); 11651 for (int i = 0; i < count; i++) { 11652 PackageParser.Package disabledSysChildPkg = 11653 disabledSysParentPs.pkg.childPackages.get(i); 11654 if (isPackageRequestingPermission(disabledSysChildPkg, 11655 perm)) { 11656 allowed = true; 11657 break; 11658 } 11659 } 11660 } 11661 } 11662 } 11663 } 11664 } else { 11665 allowed = isPrivilegedApp(pkg); 11666 } 11667 } 11668 } 11669 if (!allowed) { 11670 if (!allowed && (bp.protectionLevel 11671 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 11672 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 11673 // If this was a previously normal/dangerous permission that got moved 11674 // to a system permission as part of the runtime permission redesign, then 11675 // we still want to blindly grant it to old apps. 11676 allowed = true; 11677 } 11678 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 11679 && pkg.packageName.equals(mRequiredInstallerPackage)) { 11680 // If this permission is to be granted to the system installer and 11681 // this app is an installer, then it gets the permission. 11682 allowed = true; 11683 } 11684 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 11685 && pkg.packageName.equals(mRequiredVerifierPackage)) { 11686 // If this permission is to be granted to the system verifier and 11687 // this app is a verifier, then it gets the permission. 11688 allowed = true; 11689 } 11690 if (!allowed && (bp.protectionLevel 11691 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 11692 && isSystemApp(pkg)) { 11693 // Any pre-installed system app is allowed to get this permission. 11694 allowed = true; 11695 } 11696 if (!allowed && (bp.protectionLevel 11697 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 11698 // For development permissions, a development permission 11699 // is granted only if it was already granted. 11700 allowed = origPermissions.hasInstallPermission(perm); 11701 } 11702 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 11703 && pkg.packageName.equals(mSetupWizardPackage)) { 11704 // If this permission is to be granted to the system setup wizard and 11705 // this app is a setup wizard, then it gets the permission. 11706 allowed = true; 11707 } 11708 } 11709 return allowed; 11710 } 11711 11712 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 11713 final int permCount = pkg.requestedPermissions.size(); 11714 for (int j = 0; j < permCount; j++) { 11715 String requestedPermission = pkg.requestedPermissions.get(j); 11716 if (permission.equals(requestedPermission)) { 11717 return true; 11718 } 11719 } 11720 return false; 11721 } 11722 11723 final class ActivityIntentResolver 11724 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 11725 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11726 boolean defaultOnly, int userId) { 11727 if (!sUserManager.exists(userId)) return null; 11728 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0); 11729 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11730 } 11731 11732 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11733 int userId) { 11734 if (!sUserManager.exists(userId)) return null; 11735 mFlags = flags; 11736 return super.queryIntent(intent, resolvedType, 11737 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11738 userId); 11739 } 11740 11741 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11742 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 11743 if (!sUserManager.exists(userId)) return null; 11744 if (packageActivities == null) { 11745 return null; 11746 } 11747 mFlags = flags; 11748 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11749 final int N = packageActivities.size(); 11750 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 11751 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 11752 11753 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 11754 for (int i = 0; i < N; ++i) { 11755 intentFilters = packageActivities.get(i).intents; 11756 if (intentFilters != null && intentFilters.size() > 0) { 11757 PackageParser.ActivityIntentInfo[] array = 11758 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 11759 intentFilters.toArray(array); 11760 listCut.add(array); 11761 } 11762 } 11763 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11764 } 11765 11766 /** 11767 * Finds a privileged activity that matches the specified activity names. 11768 */ 11769 private PackageParser.Activity findMatchingActivity( 11770 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 11771 for (PackageParser.Activity sysActivity : activityList) { 11772 if (sysActivity.info.name.equals(activityInfo.name)) { 11773 return sysActivity; 11774 } 11775 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 11776 return sysActivity; 11777 } 11778 if (sysActivity.info.targetActivity != null) { 11779 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 11780 return sysActivity; 11781 } 11782 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 11783 return sysActivity; 11784 } 11785 } 11786 } 11787 return null; 11788 } 11789 11790 public class IterGenerator<E> { 11791 public Iterator<E> generate(ActivityIntentInfo info) { 11792 return null; 11793 } 11794 } 11795 11796 public class ActionIterGenerator extends IterGenerator<String> { 11797 @Override 11798 public Iterator<String> generate(ActivityIntentInfo info) { 11799 return info.actionsIterator(); 11800 } 11801 } 11802 11803 public class CategoriesIterGenerator extends IterGenerator<String> { 11804 @Override 11805 public Iterator<String> generate(ActivityIntentInfo info) { 11806 return info.categoriesIterator(); 11807 } 11808 } 11809 11810 public class SchemesIterGenerator extends IterGenerator<String> { 11811 @Override 11812 public Iterator<String> generate(ActivityIntentInfo info) { 11813 return info.schemesIterator(); 11814 } 11815 } 11816 11817 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 11818 @Override 11819 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 11820 return info.authoritiesIterator(); 11821 } 11822 } 11823 11824 /** 11825 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 11826 * MODIFIED. Do not pass in a list that should not be changed. 11827 */ 11828 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 11829 IterGenerator<T> generator, Iterator<T> searchIterator) { 11830 // loop through the set of actions; every one must be found in the intent filter 11831 while (searchIterator.hasNext()) { 11832 // we must have at least one filter in the list to consider a match 11833 if (intentList.size() == 0) { 11834 break; 11835 } 11836 11837 final T searchAction = searchIterator.next(); 11838 11839 // loop through the set of intent filters 11840 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 11841 while (intentIter.hasNext()) { 11842 final ActivityIntentInfo intentInfo = intentIter.next(); 11843 boolean selectionFound = false; 11844 11845 // loop through the intent filter's selection criteria; at least one 11846 // of them must match the searched criteria 11847 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 11848 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 11849 final T intentSelection = intentSelectionIter.next(); 11850 if (intentSelection != null && intentSelection.equals(searchAction)) { 11851 selectionFound = true; 11852 break; 11853 } 11854 } 11855 11856 // the selection criteria wasn't found in this filter's set; this filter 11857 // is not a potential match 11858 if (!selectionFound) { 11859 intentIter.remove(); 11860 } 11861 } 11862 } 11863 } 11864 11865 private boolean isProtectedAction(ActivityIntentInfo filter) { 11866 final Iterator<String> actionsIter = filter.actionsIterator(); 11867 while (actionsIter != null && actionsIter.hasNext()) { 11868 final String filterAction = actionsIter.next(); 11869 if (PROTECTED_ACTIONS.contains(filterAction)) { 11870 return true; 11871 } 11872 } 11873 return false; 11874 } 11875 11876 /** 11877 * Adjusts the priority of the given intent filter according to policy. 11878 * <p> 11879 * <ul> 11880 * <li>The priority for non privileged applications is capped to '0'</li> 11881 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 11882 * <li>The priority for unbundled updates to privileged applications is capped to the 11883 * priority defined on the system partition</li> 11884 * </ul> 11885 * <p> 11886 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 11887 * allowed to obtain any priority on any action. 11888 */ 11889 private void adjustPriority( 11890 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 11891 // nothing to do; priority is fine as-is 11892 if (intent.getPriority() <= 0) { 11893 return; 11894 } 11895 11896 final ActivityInfo activityInfo = intent.activity.info; 11897 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 11898 11899 final boolean privilegedApp = 11900 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 11901 if (!privilegedApp) { 11902 // non-privileged applications can never define a priority >0 11903 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 11904 + " package: " + applicationInfo.packageName 11905 + " activity: " + intent.activity.className 11906 + " origPrio: " + intent.getPriority()); 11907 intent.setPriority(0); 11908 return; 11909 } 11910 11911 if (systemActivities == null) { 11912 // the system package is not disabled; we're parsing the system partition 11913 if (isProtectedAction(intent)) { 11914 if (mDeferProtectedFilters) { 11915 // We can't deal with these just yet. No component should ever obtain a 11916 // >0 priority for a protected actions, with ONE exception -- the setup 11917 // wizard. The setup wizard, however, cannot be known until we're able to 11918 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 11919 // until all intent filters have been processed. Chicken, meet egg. 11920 // Let the filter temporarily have a high priority and rectify the 11921 // priorities after all system packages have been scanned. 11922 mProtectedFilters.add(intent); 11923 if (DEBUG_FILTERS) { 11924 Slog.i(TAG, "Protected action; save for later;" 11925 + " package: " + applicationInfo.packageName 11926 + " activity: " + intent.activity.className 11927 + " origPrio: " + intent.getPriority()); 11928 } 11929 return; 11930 } else { 11931 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 11932 Slog.i(TAG, "No setup wizard;" 11933 + " All protected intents capped to priority 0"); 11934 } 11935 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 11936 if (DEBUG_FILTERS) { 11937 Slog.i(TAG, "Found setup wizard;" 11938 + " allow priority " + intent.getPriority() + ";" 11939 + " package: " + intent.activity.info.packageName 11940 + " activity: " + intent.activity.className 11941 + " priority: " + intent.getPriority()); 11942 } 11943 // setup wizard gets whatever it wants 11944 return; 11945 } 11946 Slog.w(TAG, "Protected action; cap priority to 0;" 11947 + " package: " + intent.activity.info.packageName 11948 + " activity: " + intent.activity.className 11949 + " origPrio: " + intent.getPriority()); 11950 intent.setPriority(0); 11951 return; 11952 } 11953 } 11954 // privileged apps on the system image get whatever priority they request 11955 return; 11956 } 11957 11958 // privileged app unbundled update ... try to find the same activity 11959 final PackageParser.Activity foundActivity = 11960 findMatchingActivity(systemActivities, activityInfo); 11961 if (foundActivity == null) { 11962 // this is a new activity; it cannot obtain >0 priority 11963 if (DEBUG_FILTERS) { 11964 Slog.i(TAG, "New activity; 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 // found activity, now check for filter equivalence 11974 11975 // a shallow copy is enough; we modify the list, not its contents 11976 final List<ActivityIntentInfo> intentListCopy = 11977 new ArrayList<>(foundActivity.intents); 11978 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 11979 11980 // find matching action subsets 11981 final Iterator<String> actionsIterator = intent.actionsIterator(); 11982 if (actionsIterator != null) { 11983 getIntentListSubset( 11984 intentListCopy, new ActionIterGenerator(), actionsIterator); 11985 if (intentListCopy.size() == 0) { 11986 // no more intents to match; we're not equivalent 11987 if (DEBUG_FILTERS) { 11988 Slog.i(TAG, "Mismatched action; cap priority to 0;" 11989 + " package: " + applicationInfo.packageName 11990 + " activity: " + intent.activity.className 11991 + " origPrio: " + intent.getPriority()); 11992 } 11993 intent.setPriority(0); 11994 return; 11995 } 11996 } 11997 11998 // find matching category subsets 11999 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 12000 if (categoriesIterator != null) { 12001 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 12002 categoriesIterator); 12003 if (intentListCopy.size() == 0) { 12004 // no more intents to match; we're not equivalent 12005 if (DEBUG_FILTERS) { 12006 Slog.i(TAG, "Mismatched category; cap priority to 0;" 12007 + " package: " + applicationInfo.packageName 12008 + " activity: " + intent.activity.className 12009 + " origPrio: " + intent.getPriority()); 12010 } 12011 intent.setPriority(0); 12012 return; 12013 } 12014 } 12015 12016 // find matching schemes subsets 12017 final Iterator<String> schemesIterator = intent.schemesIterator(); 12018 if (schemesIterator != null) { 12019 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 12020 schemesIterator); 12021 if (intentListCopy.size() == 0) { 12022 // no more intents to match; we're not equivalent 12023 if (DEBUG_FILTERS) { 12024 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 12025 + " package: " + applicationInfo.packageName 12026 + " activity: " + intent.activity.className 12027 + " origPrio: " + intent.getPriority()); 12028 } 12029 intent.setPriority(0); 12030 return; 12031 } 12032 } 12033 12034 // find matching authorities subsets 12035 final Iterator<IntentFilter.AuthorityEntry> 12036 authoritiesIterator = intent.authoritiesIterator(); 12037 if (authoritiesIterator != null) { 12038 getIntentListSubset(intentListCopy, 12039 new AuthoritiesIterGenerator(), 12040 authoritiesIterator); 12041 if (intentListCopy.size() == 0) { 12042 // no more intents to match; we're not equivalent 12043 if (DEBUG_FILTERS) { 12044 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 12045 + " package: " + applicationInfo.packageName 12046 + " activity: " + intent.activity.className 12047 + " origPrio: " + intent.getPriority()); 12048 } 12049 intent.setPriority(0); 12050 return; 12051 } 12052 } 12053 12054 // we found matching filter(s); app gets the max priority of all intents 12055 int cappedPriority = 0; 12056 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 12057 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 12058 } 12059 if (intent.getPriority() > cappedPriority) { 12060 if (DEBUG_FILTERS) { 12061 Slog.i(TAG, "Found matching filter(s);" 12062 + " cap priority to " + cappedPriority + ";" 12063 + " package: " + applicationInfo.packageName 12064 + " activity: " + intent.activity.className 12065 + " origPrio: " + intent.getPriority()); 12066 } 12067 intent.setPriority(cappedPriority); 12068 return; 12069 } 12070 // all this for nothing; the requested priority was <= what was on the system 12071 } 12072 12073 public final void addActivity(PackageParser.Activity a, String type) { 12074 mActivities.put(a.getComponentName(), a); 12075 if (DEBUG_SHOW_INFO) 12076 Log.v( 12077 TAG, " " + type + " " + 12078 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 12079 if (DEBUG_SHOW_INFO) 12080 Log.v(TAG, " Class=" + a.info.name); 12081 final int NI = a.intents.size(); 12082 for (int j=0; j<NI; j++) { 12083 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12084 if ("activity".equals(type)) { 12085 final PackageSetting ps = 12086 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 12087 final List<PackageParser.Activity> systemActivities = 12088 ps != null && ps.pkg != null ? ps.pkg.activities : null; 12089 adjustPriority(systemActivities, intent); 12090 } 12091 if (DEBUG_SHOW_INFO) { 12092 Log.v(TAG, " IntentFilter:"); 12093 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12094 } 12095 if (!intent.debugCheck()) { 12096 Log.w(TAG, "==> For Activity " + a.info.name); 12097 } 12098 addFilter(intent); 12099 } 12100 } 12101 12102 public final void removeActivity(PackageParser.Activity a, String type) { 12103 mActivities.remove(a.getComponentName()); 12104 if (DEBUG_SHOW_INFO) { 12105 Log.v(TAG, " " + type + " " 12106 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 12107 : a.info.name) + ":"); 12108 Log.v(TAG, " Class=" + a.info.name); 12109 } 12110 final int NI = a.intents.size(); 12111 for (int j=0; j<NI; j++) { 12112 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12113 if (DEBUG_SHOW_INFO) { 12114 Log.v(TAG, " IntentFilter:"); 12115 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12116 } 12117 removeFilter(intent); 12118 } 12119 } 12120 12121 @Override 12122 protected boolean allowFilterResult( 12123 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 12124 ActivityInfo filterAi = filter.activity.info; 12125 for (int i=dest.size()-1; i>=0; i--) { 12126 ActivityInfo destAi = dest.get(i).activityInfo; 12127 if (destAi.name == filterAi.name 12128 && destAi.packageName == filterAi.packageName) { 12129 return false; 12130 } 12131 } 12132 return true; 12133 } 12134 12135 @Override 12136 protected ActivityIntentInfo[] newArray(int size) { 12137 return new ActivityIntentInfo[size]; 12138 } 12139 12140 @Override 12141 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 12142 if (!sUserManager.exists(userId)) return true; 12143 PackageParser.Package p = filter.activity.owner; 12144 if (p != null) { 12145 PackageSetting ps = (PackageSetting)p.mExtras; 12146 if (ps != null) { 12147 // System apps are never considered stopped for purposes of 12148 // filtering, because there may be no way for the user to 12149 // actually re-launch them. 12150 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 12151 && ps.getStopped(userId); 12152 } 12153 } 12154 return false; 12155 } 12156 12157 @Override 12158 protected boolean isPackageForFilter(String packageName, 12159 PackageParser.ActivityIntentInfo info) { 12160 return packageName.equals(info.activity.owner.packageName); 12161 } 12162 12163 @Override 12164 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 12165 int match, int userId) { 12166 if (!sUserManager.exists(userId)) return null; 12167 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 12168 return null; 12169 } 12170 final PackageParser.Activity activity = info.activity; 12171 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 12172 if (ps == null) { 12173 return null; 12174 } 12175 final PackageUserState userState = ps.readUserState(userId); 12176 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 12177 userState, userId); 12178 if (ai == null) { 12179 return null; 12180 } 12181 final boolean matchVisibleToInstantApp = 12182 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12183 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12184 // throw out filters that aren't visible to ephemeral apps 12185 if (matchVisibleToInstantApp 12186 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 12187 return null; 12188 } 12189 // throw out ephemeral filters if we're not explicitly requesting them 12190 if (!isInstantApp && userState.instantApp) { 12191 return null; 12192 } 12193 final ResolveInfo res = new ResolveInfo(); 12194 res.activityInfo = ai; 12195 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12196 res.filter = info; 12197 } 12198 if (info != null) { 12199 res.handleAllWebDataURI = info.handleAllWebDataURI(); 12200 } 12201 res.priority = info.getPriority(); 12202 res.preferredOrder = activity.owner.mPreferredOrder; 12203 //System.out.println("Result: " + res.activityInfo.className + 12204 // " = " + res.priority); 12205 res.match = match; 12206 res.isDefault = info.hasDefault; 12207 res.labelRes = info.labelRes; 12208 res.nonLocalizedLabel = info.nonLocalizedLabel; 12209 if (userNeedsBadging(userId)) { 12210 res.noResourceId = true; 12211 } else { 12212 res.icon = info.icon; 12213 } 12214 res.iconResourceId = info.icon; 12215 res.system = res.activityInfo.applicationInfo.isSystemApp(); 12216 res.instantAppAvailable = userState.instantApp; 12217 return res; 12218 } 12219 12220 @Override 12221 protected void sortResults(List<ResolveInfo> results) { 12222 Collections.sort(results, mResolvePrioritySorter); 12223 } 12224 12225 @Override 12226 protected void dumpFilter(PrintWriter out, String prefix, 12227 PackageParser.ActivityIntentInfo filter) { 12228 out.print(prefix); out.print( 12229 Integer.toHexString(System.identityHashCode(filter.activity))); 12230 out.print(' '); 12231 filter.activity.printComponentShortName(out); 12232 out.print(" filter "); 12233 out.println(Integer.toHexString(System.identityHashCode(filter))); 12234 } 12235 12236 @Override 12237 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 12238 return filter.activity; 12239 } 12240 12241 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12242 PackageParser.Activity activity = (PackageParser.Activity)label; 12243 out.print(prefix); out.print( 12244 Integer.toHexString(System.identityHashCode(activity))); 12245 out.print(' '); 12246 activity.printComponentShortName(out); 12247 if (count > 1) { 12248 out.print(" ("); out.print(count); out.print(" filters)"); 12249 } 12250 out.println(); 12251 } 12252 12253 // Keys are String (activity class name), values are Activity. 12254 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 12255 = new ArrayMap<ComponentName, PackageParser.Activity>(); 12256 private int mFlags; 12257 } 12258 12259 private final class ServiceIntentResolver 12260 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 12261 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12262 boolean defaultOnly, int userId) { 12263 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12264 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12265 } 12266 12267 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12268 int userId) { 12269 if (!sUserManager.exists(userId)) return null; 12270 mFlags = flags; 12271 return super.queryIntent(intent, resolvedType, 12272 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12273 userId); 12274 } 12275 12276 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12277 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 12278 if (!sUserManager.exists(userId)) return null; 12279 if (packageServices == null) { 12280 return null; 12281 } 12282 mFlags = flags; 12283 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 12284 final int N = packageServices.size(); 12285 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 12286 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 12287 12288 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 12289 for (int i = 0; i < N; ++i) { 12290 intentFilters = packageServices.get(i).intents; 12291 if (intentFilters != null && intentFilters.size() > 0) { 12292 PackageParser.ServiceIntentInfo[] array = 12293 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 12294 intentFilters.toArray(array); 12295 listCut.add(array); 12296 } 12297 } 12298 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12299 } 12300 12301 public final void addService(PackageParser.Service s) { 12302 mServices.put(s.getComponentName(), s); 12303 if (DEBUG_SHOW_INFO) { 12304 Log.v(TAG, " " 12305 + (s.info.nonLocalizedLabel != null 12306 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12307 Log.v(TAG, " Class=" + s.info.name); 12308 } 12309 final int NI = s.intents.size(); 12310 int j; 12311 for (j=0; j<NI; j++) { 12312 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12313 if (DEBUG_SHOW_INFO) { 12314 Log.v(TAG, " IntentFilter:"); 12315 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12316 } 12317 if (!intent.debugCheck()) { 12318 Log.w(TAG, "==> For Service " + s.info.name); 12319 } 12320 addFilter(intent); 12321 } 12322 } 12323 12324 public final void removeService(PackageParser.Service s) { 12325 mServices.remove(s.getComponentName()); 12326 if (DEBUG_SHOW_INFO) { 12327 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 12328 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12329 Log.v(TAG, " Class=" + s.info.name); 12330 } 12331 final int NI = s.intents.size(); 12332 int j; 12333 for (j=0; j<NI; j++) { 12334 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12335 if (DEBUG_SHOW_INFO) { 12336 Log.v(TAG, " IntentFilter:"); 12337 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12338 } 12339 removeFilter(intent); 12340 } 12341 } 12342 12343 @Override 12344 protected boolean allowFilterResult( 12345 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 12346 ServiceInfo filterSi = filter.service.info; 12347 for (int i=dest.size()-1; i>=0; i--) { 12348 ServiceInfo destAi = dest.get(i).serviceInfo; 12349 if (destAi.name == filterSi.name 12350 && destAi.packageName == filterSi.packageName) { 12351 return false; 12352 } 12353 } 12354 return true; 12355 } 12356 12357 @Override 12358 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 12359 return new PackageParser.ServiceIntentInfo[size]; 12360 } 12361 12362 @Override 12363 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 12364 if (!sUserManager.exists(userId)) return true; 12365 PackageParser.Package p = filter.service.owner; 12366 if (p != null) { 12367 PackageSetting ps = (PackageSetting)p.mExtras; 12368 if (ps != null) { 12369 // System apps are never considered stopped for purposes of 12370 // filtering, because there may be no way for the user to 12371 // actually re-launch them. 12372 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12373 && ps.getStopped(userId); 12374 } 12375 } 12376 return false; 12377 } 12378 12379 @Override 12380 protected boolean isPackageForFilter(String packageName, 12381 PackageParser.ServiceIntentInfo info) { 12382 return packageName.equals(info.service.owner.packageName); 12383 } 12384 12385 @Override 12386 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 12387 int match, int userId) { 12388 if (!sUserManager.exists(userId)) return null; 12389 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 12390 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 12391 return null; 12392 } 12393 final PackageParser.Service service = info.service; 12394 PackageSetting ps = (PackageSetting) service.owner.mExtras; 12395 if (ps == null) { 12396 return null; 12397 } 12398 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 12399 ps.readUserState(userId), userId); 12400 if (si == null) { 12401 return null; 12402 } 12403 final ResolveInfo res = new ResolveInfo(); 12404 res.serviceInfo = si; 12405 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12406 res.filter = filter; 12407 } 12408 res.priority = info.getPriority(); 12409 res.preferredOrder = service.owner.mPreferredOrder; 12410 res.match = match; 12411 res.isDefault = info.hasDefault; 12412 res.labelRes = info.labelRes; 12413 res.nonLocalizedLabel = info.nonLocalizedLabel; 12414 res.icon = info.icon; 12415 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 12416 return res; 12417 } 12418 12419 @Override 12420 protected void sortResults(List<ResolveInfo> results) { 12421 Collections.sort(results, mResolvePrioritySorter); 12422 } 12423 12424 @Override 12425 protected void dumpFilter(PrintWriter out, String prefix, 12426 PackageParser.ServiceIntentInfo filter) { 12427 out.print(prefix); out.print( 12428 Integer.toHexString(System.identityHashCode(filter.service))); 12429 out.print(' '); 12430 filter.service.printComponentShortName(out); 12431 out.print(" filter "); 12432 out.println(Integer.toHexString(System.identityHashCode(filter))); 12433 } 12434 12435 @Override 12436 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 12437 return filter.service; 12438 } 12439 12440 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12441 PackageParser.Service service = (PackageParser.Service)label; 12442 out.print(prefix); out.print( 12443 Integer.toHexString(System.identityHashCode(service))); 12444 out.print(' '); 12445 service.printComponentShortName(out); 12446 if (count > 1) { 12447 out.print(" ("); out.print(count); out.print(" filters)"); 12448 } 12449 out.println(); 12450 } 12451 12452// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 12453// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 12454// final List<ResolveInfo> retList = Lists.newArrayList(); 12455// while (i.hasNext()) { 12456// final ResolveInfo resolveInfo = (ResolveInfo) i; 12457// if (isEnabledLP(resolveInfo.serviceInfo)) { 12458// retList.add(resolveInfo); 12459// } 12460// } 12461// return retList; 12462// } 12463 12464 // Keys are String (activity class name), values are Activity. 12465 private final ArrayMap<ComponentName, PackageParser.Service> mServices 12466 = new ArrayMap<ComponentName, PackageParser.Service>(); 12467 private int mFlags; 12468 } 12469 12470 private final class ProviderIntentResolver 12471 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 12472 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12473 boolean defaultOnly, int userId) { 12474 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12475 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12476 } 12477 12478 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12479 int userId) { 12480 if (!sUserManager.exists(userId)) 12481 return null; 12482 mFlags = flags; 12483 return super.queryIntent(intent, resolvedType, 12484 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12485 userId); 12486 } 12487 12488 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12489 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 12490 if (!sUserManager.exists(userId)) 12491 return null; 12492 if (packageProviders == null) { 12493 return null; 12494 } 12495 mFlags = flags; 12496 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12497 final int N = packageProviders.size(); 12498 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 12499 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 12500 12501 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 12502 for (int i = 0; i < N; ++i) { 12503 intentFilters = packageProviders.get(i).intents; 12504 if (intentFilters != null && intentFilters.size() > 0) { 12505 PackageParser.ProviderIntentInfo[] array = 12506 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 12507 intentFilters.toArray(array); 12508 listCut.add(array); 12509 } 12510 } 12511 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12512 } 12513 12514 public final void addProvider(PackageParser.Provider p) { 12515 if (mProviders.containsKey(p.getComponentName())) { 12516 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 12517 return; 12518 } 12519 12520 mProviders.put(p.getComponentName(), p); 12521 if (DEBUG_SHOW_INFO) { 12522 Log.v(TAG, " " 12523 + (p.info.nonLocalizedLabel != null 12524 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12525 Log.v(TAG, " Class=" + p.info.name); 12526 } 12527 final int NI = p.intents.size(); 12528 int j; 12529 for (j = 0; j < NI; j++) { 12530 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12531 if (DEBUG_SHOW_INFO) { 12532 Log.v(TAG, " IntentFilter:"); 12533 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12534 } 12535 if (!intent.debugCheck()) { 12536 Log.w(TAG, "==> For Provider " + p.info.name); 12537 } 12538 addFilter(intent); 12539 } 12540 } 12541 12542 public final void removeProvider(PackageParser.Provider p) { 12543 mProviders.remove(p.getComponentName()); 12544 if (DEBUG_SHOW_INFO) { 12545 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 12546 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12547 Log.v(TAG, " Class=" + p.info.name); 12548 } 12549 final int NI = p.intents.size(); 12550 int j; 12551 for (j = 0; j < NI; j++) { 12552 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12553 if (DEBUG_SHOW_INFO) { 12554 Log.v(TAG, " IntentFilter:"); 12555 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12556 } 12557 removeFilter(intent); 12558 } 12559 } 12560 12561 @Override 12562 protected boolean allowFilterResult( 12563 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 12564 ProviderInfo filterPi = filter.provider.info; 12565 for (int i = dest.size() - 1; i >= 0; i--) { 12566 ProviderInfo destPi = dest.get(i).providerInfo; 12567 if (destPi.name == filterPi.name 12568 && destPi.packageName == filterPi.packageName) { 12569 return false; 12570 } 12571 } 12572 return true; 12573 } 12574 12575 @Override 12576 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 12577 return new PackageParser.ProviderIntentInfo[size]; 12578 } 12579 12580 @Override 12581 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 12582 if (!sUserManager.exists(userId)) 12583 return true; 12584 PackageParser.Package p = filter.provider.owner; 12585 if (p != null) { 12586 PackageSetting ps = (PackageSetting) p.mExtras; 12587 if (ps != null) { 12588 // System apps are never considered stopped for purposes of 12589 // filtering, because there may be no way for the user to 12590 // actually re-launch them. 12591 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12592 && ps.getStopped(userId); 12593 } 12594 } 12595 return false; 12596 } 12597 12598 @Override 12599 protected boolean isPackageForFilter(String packageName, 12600 PackageParser.ProviderIntentInfo info) { 12601 return packageName.equals(info.provider.owner.packageName); 12602 } 12603 12604 @Override 12605 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 12606 int match, int userId) { 12607 if (!sUserManager.exists(userId)) 12608 return null; 12609 final PackageParser.ProviderIntentInfo info = filter; 12610 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 12611 return null; 12612 } 12613 final PackageParser.Provider provider = info.provider; 12614 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 12615 if (ps == null) { 12616 return null; 12617 } 12618 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 12619 ps.readUserState(userId), userId); 12620 if (pi == null) { 12621 return null; 12622 } 12623 final ResolveInfo res = new ResolveInfo(); 12624 res.providerInfo = pi; 12625 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 12626 res.filter = filter; 12627 } 12628 res.priority = info.getPriority(); 12629 res.preferredOrder = provider.owner.mPreferredOrder; 12630 res.match = match; 12631 res.isDefault = info.hasDefault; 12632 res.labelRes = info.labelRes; 12633 res.nonLocalizedLabel = info.nonLocalizedLabel; 12634 res.icon = info.icon; 12635 res.system = res.providerInfo.applicationInfo.isSystemApp(); 12636 return res; 12637 } 12638 12639 @Override 12640 protected void sortResults(List<ResolveInfo> results) { 12641 Collections.sort(results, mResolvePrioritySorter); 12642 } 12643 12644 @Override 12645 protected void dumpFilter(PrintWriter out, String prefix, 12646 PackageParser.ProviderIntentInfo filter) { 12647 out.print(prefix); 12648 out.print( 12649 Integer.toHexString(System.identityHashCode(filter.provider))); 12650 out.print(' '); 12651 filter.provider.printComponentShortName(out); 12652 out.print(" filter "); 12653 out.println(Integer.toHexString(System.identityHashCode(filter))); 12654 } 12655 12656 @Override 12657 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 12658 return filter.provider; 12659 } 12660 12661 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12662 PackageParser.Provider provider = (PackageParser.Provider)label; 12663 out.print(prefix); out.print( 12664 Integer.toHexString(System.identityHashCode(provider))); 12665 out.print(' '); 12666 provider.printComponentShortName(out); 12667 if (count > 1) { 12668 out.print(" ("); out.print(count); out.print(" filters)"); 12669 } 12670 out.println(); 12671 } 12672 12673 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 12674 = new ArrayMap<ComponentName, PackageParser.Provider>(); 12675 private int mFlags; 12676 } 12677 12678 static final class EphemeralIntentResolver 12679 extends IntentResolver<AuxiliaryResolveInfo, AuxiliaryResolveInfo> { 12680 /** 12681 * The result that has the highest defined order. Ordering applies on a 12682 * per-package basis. Mapping is from package name to Pair of order and 12683 * EphemeralResolveInfo. 12684 * <p> 12685 * NOTE: This is implemented as a field variable for convenience and efficiency. 12686 * By having a field variable, we're able to track filter ordering as soon as 12687 * a non-zero order is defined. Otherwise, multiple loops across the result set 12688 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 12689 * this needs to be contained entirely within {@link #filterResults}. 12690 */ 12691 final ArrayMap<String, Pair<Integer, InstantAppResolveInfo>> mOrderResult = new ArrayMap<>(); 12692 12693 @Override 12694 protected AuxiliaryResolveInfo[] newArray(int size) { 12695 return new AuxiliaryResolveInfo[size]; 12696 } 12697 12698 @Override 12699 protected boolean isPackageForFilter(String packageName, AuxiliaryResolveInfo responseObj) { 12700 return true; 12701 } 12702 12703 @Override 12704 protected AuxiliaryResolveInfo newResult(AuxiliaryResolveInfo responseObj, int match, 12705 int userId) { 12706 if (!sUserManager.exists(userId)) { 12707 return null; 12708 } 12709 final String packageName = responseObj.resolveInfo.getPackageName(); 12710 final Integer order = responseObj.getOrder(); 12711 final Pair<Integer, InstantAppResolveInfo> lastOrderResult = 12712 mOrderResult.get(packageName); 12713 // ordering is enabled and this item's order isn't high enough 12714 if (lastOrderResult != null && lastOrderResult.first >= order) { 12715 return null; 12716 } 12717 final InstantAppResolveInfo res = responseObj.resolveInfo; 12718 if (order > 0) { 12719 // non-zero order, enable ordering 12720 mOrderResult.put(packageName, new Pair<>(order, res)); 12721 } 12722 return responseObj; 12723 } 12724 12725 @Override 12726 protected void filterResults(List<AuxiliaryResolveInfo> results) { 12727 // only do work if ordering is enabled [most of the time it won't be] 12728 if (mOrderResult.size() == 0) { 12729 return; 12730 } 12731 int resultSize = results.size(); 12732 for (int i = 0; i < resultSize; i++) { 12733 final InstantAppResolveInfo info = results.get(i).resolveInfo; 12734 final String packageName = info.getPackageName(); 12735 final Pair<Integer, InstantAppResolveInfo> savedInfo = mOrderResult.get(packageName); 12736 if (savedInfo == null) { 12737 // package doesn't having ordering 12738 continue; 12739 } 12740 if (savedInfo.second == info) { 12741 // circled back to the highest ordered item; remove from order list 12742 mOrderResult.remove(savedInfo); 12743 if (mOrderResult.size() == 0) { 12744 // no more ordered items 12745 break; 12746 } 12747 continue; 12748 } 12749 // item has a worse order, remove it from the result list 12750 results.remove(i); 12751 resultSize--; 12752 i--; 12753 } 12754 } 12755 } 12756 12757 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 12758 new Comparator<ResolveInfo>() { 12759 public int compare(ResolveInfo r1, ResolveInfo r2) { 12760 int v1 = r1.priority; 12761 int v2 = r2.priority; 12762 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 12763 if (v1 != v2) { 12764 return (v1 > v2) ? -1 : 1; 12765 } 12766 v1 = r1.preferredOrder; 12767 v2 = r2.preferredOrder; 12768 if (v1 != v2) { 12769 return (v1 > v2) ? -1 : 1; 12770 } 12771 if (r1.isDefault != r2.isDefault) { 12772 return r1.isDefault ? -1 : 1; 12773 } 12774 v1 = r1.match; 12775 v2 = r2.match; 12776 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 12777 if (v1 != v2) { 12778 return (v1 > v2) ? -1 : 1; 12779 } 12780 if (r1.system != r2.system) { 12781 return r1.system ? -1 : 1; 12782 } 12783 if (r1.activityInfo != null) { 12784 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 12785 } 12786 if (r1.serviceInfo != null) { 12787 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 12788 } 12789 if (r1.providerInfo != null) { 12790 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 12791 } 12792 return 0; 12793 } 12794 }; 12795 12796 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 12797 new Comparator<ProviderInfo>() { 12798 public int compare(ProviderInfo p1, ProviderInfo p2) { 12799 final int v1 = p1.initOrder; 12800 final int v2 = p2.initOrder; 12801 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 12802 } 12803 }; 12804 12805 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 12806 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 12807 final int[] userIds) { 12808 mHandler.post(new Runnable() { 12809 @Override 12810 public void run() { 12811 try { 12812 final IActivityManager am = ActivityManager.getService(); 12813 if (am == null) return; 12814 final int[] resolvedUserIds; 12815 if (userIds == null) { 12816 resolvedUserIds = am.getRunningUserIds(); 12817 } else { 12818 resolvedUserIds = userIds; 12819 } 12820 for (int id : resolvedUserIds) { 12821 final Intent intent = new Intent(action, 12822 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 12823 if (extras != null) { 12824 intent.putExtras(extras); 12825 } 12826 if (targetPkg != null) { 12827 intent.setPackage(targetPkg); 12828 } 12829 // Modify the UID when posting to other users 12830 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 12831 if (uid > 0 && UserHandle.getUserId(uid) != id) { 12832 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 12833 intent.putExtra(Intent.EXTRA_UID, uid); 12834 } 12835 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 12836 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 12837 if (DEBUG_BROADCASTS) { 12838 RuntimeException here = new RuntimeException("here"); 12839 here.fillInStackTrace(); 12840 Slog.d(TAG, "Sending to user " + id + ": " 12841 + intent.toShortString(false, true, false, false) 12842 + " " + intent.getExtras(), here); 12843 } 12844 am.broadcastIntent(null, intent, null, finishedReceiver, 12845 0, null, null, null, android.app.AppOpsManager.OP_NONE, 12846 null, finishedReceiver != null, false, id); 12847 } 12848 } catch (RemoteException ex) { 12849 } 12850 } 12851 }); 12852 } 12853 12854 /** 12855 * Check if the external storage media is available. This is true if there 12856 * is a mounted external storage medium or if the external storage is 12857 * emulated. 12858 */ 12859 private boolean isExternalMediaAvailable() { 12860 return mMediaMounted || Environment.isExternalStorageEmulated(); 12861 } 12862 12863 @Override 12864 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 12865 // writer 12866 synchronized (mPackages) { 12867 if (!isExternalMediaAvailable()) { 12868 // If the external storage is no longer mounted at this point, 12869 // the caller may not have been able to delete all of this 12870 // packages files and can not delete any more. Bail. 12871 return null; 12872 } 12873 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 12874 if (lastPackage != null) { 12875 pkgs.remove(lastPackage); 12876 } 12877 if (pkgs.size() > 0) { 12878 return pkgs.get(0); 12879 } 12880 } 12881 return null; 12882 } 12883 12884 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 12885 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 12886 userId, andCode ? 1 : 0, packageName); 12887 if (mSystemReady) { 12888 msg.sendToTarget(); 12889 } else { 12890 if (mPostSystemReadyMessages == null) { 12891 mPostSystemReadyMessages = new ArrayList<>(); 12892 } 12893 mPostSystemReadyMessages.add(msg); 12894 } 12895 } 12896 12897 void startCleaningPackages() { 12898 // reader 12899 if (!isExternalMediaAvailable()) { 12900 return; 12901 } 12902 synchronized (mPackages) { 12903 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 12904 return; 12905 } 12906 } 12907 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 12908 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 12909 IActivityManager am = ActivityManager.getService(); 12910 if (am != null) { 12911 try { 12912 am.startService(null, intent, null, -1, null, mContext.getOpPackageName(), 12913 UserHandle.USER_SYSTEM); 12914 } catch (RemoteException e) { 12915 } 12916 } 12917 } 12918 12919 @Override 12920 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 12921 int installFlags, String installerPackageName, int userId) { 12922 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 12923 12924 final int callingUid = Binder.getCallingUid(); 12925 enforceCrossUserPermission(callingUid, userId, 12926 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 12927 12928 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 12929 try { 12930 if (observer != null) { 12931 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 12932 } 12933 } catch (RemoteException re) { 12934 } 12935 return; 12936 } 12937 12938 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 12939 installFlags |= PackageManager.INSTALL_FROM_ADB; 12940 12941 } else { 12942 // Caller holds INSTALL_PACKAGES permission, so we're less strict 12943 // about installerPackageName. 12944 12945 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 12946 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 12947 } 12948 12949 UserHandle user; 12950 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 12951 user = UserHandle.ALL; 12952 } else { 12953 user = new UserHandle(userId); 12954 } 12955 12956 // Only system components can circumvent runtime permissions when installing. 12957 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 12958 && mContext.checkCallingOrSelfPermission(Manifest.permission 12959 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 12960 throw new SecurityException("You need the " 12961 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 12962 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 12963 } 12964 12965 if ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0 12966 || (installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12967 throw new IllegalArgumentException( 12968 "New installs into ASEC containers no longer supported"); 12969 } 12970 12971 final File originFile = new File(originPath); 12972 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 12973 12974 final Message msg = mHandler.obtainMessage(INIT_COPY); 12975 final VerificationInfo verificationInfo = new VerificationInfo( 12976 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 12977 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 12978 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 12979 null /*packageAbiOverride*/, null /*grantedPermissions*/, 12980 null /*certificates*/, PackageManager.INSTALL_REASON_UNKNOWN); 12981 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 12982 msg.obj = params; 12983 12984 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 12985 System.identityHashCode(msg.obj)); 12986 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 12987 System.identityHashCode(msg.obj)); 12988 12989 mHandler.sendMessage(msg); 12990 } 12991 12992 12993 /** 12994 * Ensure that the install reason matches what we know about the package installer (e.g. whether 12995 * it is acting on behalf on an enterprise or the user). 12996 * 12997 * Note that the ordering of the conditionals in this method is important. The checks we perform 12998 * are as follows, in this order: 12999 * 13000 * 1) If the install is being performed by a system app, we can trust the app to have set the 13001 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 13002 * what it is. 13003 * 2) If the install is being performed by a device or profile owner app, the install reason 13004 * should be enterprise policy. However, we cannot be sure that the device or profile owner 13005 * set the install reason correctly. If the app targets an older SDK version where install 13006 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 13007 * unset or wrong. Thus, we force the install reason to be enterprise policy. 13008 * 3) In all other cases, the install is being performed by a regular app that is neither part 13009 * of the system nor a device or profile owner. We have no reason to believe that this app is 13010 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 13011 * set to enterprise policy and if so, change it to unknown instead. 13012 */ 13013 private int fixUpInstallReason(String installerPackageName, int installerUid, 13014 int installReason) { 13015 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 13016 == PERMISSION_GRANTED) { 13017 // If the install is being performed by a system app, we trust that app to have set the 13018 // install reason correctly. 13019 return installReason; 13020 } 13021 13022 final IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13023 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13024 if (dpm != null) { 13025 ComponentName owner = null; 13026 try { 13027 owner = dpm.getDeviceOwnerComponent(true /* callingUserOnly */); 13028 if (owner == null) { 13029 owner = dpm.getProfileOwner(UserHandle.getUserId(installerUid)); 13030 } 13031 } catch (RemoteException e) { 13032 } 13033 if (owner != null && owner.getPackageName().equals(installerPackageName)) { 13034 // If the install is being performed by a device or profile owner, the install 13035 // reason should be enterprise policy. 13036 return PackageManager.INSTALL_REASON_POLICY; 13037 } 13038 } 13039 13040 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 13041 // If the install is being performed by a regular app (i.e. neither system app nor 13042 // device or profile owner), we have no reason to believe that the app is acting on 13043 // behalf of an enterprise. If the app set the install reason to enterprise policy, 13044 // change it to unknown instead. 13045 return PackageManager.INSTALL_REASON_UNKNOWN; 13046 } 13047 13048 // If the install is being performed by a regular app and the install reason was set to any 13049 // value but enterprise policy, leave the install reason unchanged. 13050 return installReason; 13051 } 13052 13053 void installStage(String packageName, File stagedDir, String stagedCid, 13054 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 13055 String installerPackageName, int installerUid, UserHandle user, 13056 Certificate[][] certificates) { 13057 if (DEBUG_EPHEMERAL) { 13058 if ((sessionParams.installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13059 Slog.d(TAG, "Ephemeral install of " + packageName); 13060 } 13061 } 13062 final VerificationInfo verificationInfo = new VerificationInfo( 13063 sessionParams.originatingUri, sessionParams.referrerUri, 13064 sessionParams.originatingUid, installerUid); 13065 13066 final OriginInfo origin; 13067 if (stagedDir != null) { 13068 origin = OriginInfo.fromStagedFile(stagedDir); 13069 } else { 13070 origin = OriginInfo.fromStagedContainer(stagedCid); 13071 } 13072 13073 final Message msg = mHandler.obtainMessage(INIT_COPY); 13074 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 13075 sessionParams.installReason); 13076 final InstallParams params = new InstallParams(origin, null, observer, 13077 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 13078 verificationInfo, user, sessionParams.abiOverride, 13079 sessionParams.grantedRuntimePermissions, certificates, installReason); 13080 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 13081 msg.obj = params; 13082 13083 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 13084 System.identityHashCode(msg.obj)); 13085 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13086 System.identityHashCode(msg.obj)); 13087 13088 mHandler.sendMessage(msg); 13089 } 13090 13091 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 13092 int userId) { 13093 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 13094 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 13095 } 13096 13097 private void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 13098 int appId, int... userIds) { 13099 if (ArrayUtils.isEmpty(userIds)) { 13100 return; 13101 } 13102 Bundle extras = new Bundle(1); 13103 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 13104 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 13105 13106 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 13107 packageName, extras, 0, null, null, userIds); 13108 if (isSystem) { 13109 mHandler.post(() -> { 13110 for (int userId : userIds) { 13111 sendBootCompletedBroadcastToSystemApp(packageName, userId); 13112 } 13113 } 13114 ); 13115 } 13116 } 13117 13118 /** 13119 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 13120 * automatically without needing an explicit launch. 13121 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 13122 */ 13123 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 13124 // If user is not running, the app didn't miss any broadcast 13125 if (!mUserManagerInternal.isUserRunning(userId)) { 13126 return; 13127 } 13128 final IActivityManager am = ActivityManager.getService(); 13129 try { 13130 // Deliver LOCKED_BOOT_COMPLETED first 13131 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 13132 .setPackage(packageName); 13133 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 13134 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 13135 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13136 13137 // Deliver BOOT_COMPLETED only if user is unlocked 13138 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 13139 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 13140 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 13141 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13142 } 13143 } catch (RemoteException e) { 13144 throw e.rethrowFromSystemServer(); 13145 } 13146 } 13147 13148 @Override 13149 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 13150 int userId) { 13151 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13152 PackageSetting pkgSetting; 13153 final int uid = Binder.getCallingUid(); 13154 enforceCrossUserPermission(uid, userId, 13155 true /* requireFullPermission */, true /* checkShell */, 13156 "setApplicationHiddenSetting for user " + userId); 13157 13158 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 13159 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 13160 return false; 13161 } 13162 13163 long callingId = Binder.clearCallingIdentity(); 13164 try { 13165 boolean sendAdded = false; 13166 boolean sendRemoved = false; 13167 // writer 13168 synchronized (mPackages) { 13169 pkgSetting = mSettings.mPackages.get(packageName); 13170 if (pkgSetting == null) { 13171 return false; 13172 } 13173 // Do not allow "android" is being disabled 13174 if ("android".equals(packageName)) { 13175 Slog.w(TAG, "Cannot hide package: android"); 13176 return false; 13177 } 13178 // Cannot hide static shared libs as they are considered 13179 // a part of the using app (emulating static linking). Also 13180 // static libs are installed always on internal storage. 13181 PackageParser.Package pkg = mPackages.get(packageName); 13182 if (pkg != null && pkg.staticSharedLibName != null) { 13183 Slog.w(TAG, "Cannot hide package: " + packageName 13184 + " providing static shared library: " 13185 + pkg.staticSharedLibName); 13186 return false; 13187 } 13188 // Only allow protected packages to hide themselves. 13189 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 13190 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13191 Slog.w(TAG, "Not hiding protected package: " + packageName); 13192 return false; 13193 } 13194 13195 if (pkgSetting.getHidden(userId) != hidden) { 13196 pkgSetting.setHidden(hidden, userId); 13197 mSettings.writePackageRestrictionsLPr(userId); 13198 if (hidden) { 13199 sendRemoved = true; 13200 } else { 13201 sendAdded = true; 13202 } 13203 } 13204 } 13205 if (sendAdded) { 13206 sendPackageAddedForUser(packageName, pkgSetting, userId); 13207 return true; 13208 } 13209 if (sendRemoved) { 13210 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 13211 "hiding pkg"); 13212 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 13213 return true; 13214 } 13215 } finally { 13216 Binder.restoreCallingIdentity(callingId); 13217 } 13218 return false; 13219 } 13220 13221 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 13222 int userId) { 13223 final PackageRemovedInfo info = new PackageRemovedInfo(); 13224 info.removedPackage = packageName; 13225 info.removedUsers = new int[] {userId}; 13226 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 13227 info.sendPackageRemovedBroadcasts(true /*killApp*/); 13228 } 13229 13230 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 13231 if (pkgList.length > 0) { 13232 Bundle extras = new Bundle(1); 13233 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 13234 13235 sendPackageBroadcast( 13236 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 13237 : Intent.ACTION_PACKAGES_UNSUSPENDED, 13238 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 13239 new int[] {userId}); 13240 } 13241 } 13242 13243 /** 13244 * Returns true if application is not found or there was an error. Otherwise it returns 13245 * the hidden state of the package for the given user. 13246 */ 13247 @Override 13248 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 13249 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13250 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13251 true /* requireFullPermission */, false /* checkShell */, 13252 "getApplicationHidden for user " + userId); 13253 PackageSetting pkgSetting; 13254 long callingId = Binder.clearCallingIdentity(); 13255 try { 13256 // writer 13257 synchronized (mPackages) { 13258 pkgSetting = mSettings.mPackages.get(packageName); 13259 if (pkgSetting == null) { 13260 return true; 13261 } 13262 return pkgSetting.getHidden(userId); 13263 } 13264 } finally { 13265 Binder.restoreCallingIdentity(callingId); 13266 } 13267 } 13268 13269 /** 13270 * @hide 13271 */ 13272 @Override 13273 public int installExistingPackageAsUser(String packageName, int userId, int installFlags, 13274 int installReason) { 13275 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 13276 null); 13277 PackageSetting pkgSetting; 13278 final int uid = Binder.getCallingUid(); 13279 enforceCrossUserPermission(uid, userId, 13280 true /* requireFullPermission */, true /* checkShell */, 13281 "installExistingPackage for user " + userId); 13282 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13283 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 13284 } 13285 13286 long callingId = Binder.clearCallingIdentity(); 13287 try { 13288 boolean installed = false; 13289 final boolean instantApp = 13290 (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 13291 final boolean fullApp = 13292 (installFlags & PackageManager.INSTALL_FULL_APP) != 0; 13293 13294 // writer 13295 synchronized (mPackages) { 13296 pkgSetting = mSettings.mPackages.get(packageName); 13297 if (pkgSetting == null) { 13298 return PackageManager.INSTALL_FAILED_INVALID_URI; 13299 } 13300 if (!pkgSetting.getInstalled(userId)) { 13301 pkgSetting.setInstalled(true, userId); 13302 pkgSetting.setHidden(false, userId); 13303 pkgSetting.setInstallReason(installReason, userId); 13304 mSettings.writePackageRestrictionsLPr(userId); 13305 mSettings.writeKernelMappingLPr(pkgSetting); 13306 installed = true; 13307 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13308 // upgrade app from instant to full; we don't allow app downgrade 13309 installed = true; 13310 } 13311 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 13312 } 13313 13314 if (installed) { 13315 if (pkgSetting.pkg != null) { 13316 synchronized (mInstallLock) { 13317 // We don't need to freeze for a brand new install 13318 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 13319 } 13320 } 13321 sendPackageAddedForUser(packageName, pkgSetting, userId); 13322 synchronized (mPackages) { 13323 updateSequenceNumberLP(packageName, new int[]{ userId }); 13324 } 13325 } 13326 } finally { 13327 Binder.restoreCallingIdentity(callingId); 13328 } 13329 13330 return PackageManager.INSTALL_SUCCEEDED; 13331 } 13332 13333 void setInstantAppForUser(PackageSetting pkgSetting, int userId, 13334 boolean instantApp, boolean fullApp) { 13335 // no state specified; do nothing 13336 if (!instantApp && !fullApp) { 13337 return; 13338 } 13339 if (userId != UserHandle.USER_ALL) { 13340 if (instantApp && !pkgSetting.getInstantApp(userId)) { 13341 pkgSetting.setInstantApp(true /*instantApp*/, userId); 13342 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13343 pkgSetting.setInstantApp(false /*instantApp*/, userId); 13344 } 13345 } else { 13346 for (int currentUserId : sUserManager.getUserIds()) { 13347 if (instantApp && !pkgSetting.getInstantApp(currentUserId)) { 13348 pkgSetting.setInstantApp(true /*instantApp*/, currentUserId); 13349 } else if (fullApp && pkgSetting.getInstantApp(currentUserId)) { 13350 pkgSetting.setInstantApp(false /*instantApp*/, currentUserId); 13351 } 13352 } 13353 } 13354 } 13355 13356 boolean isUserRestricted(int userId, String restrictionKey) { 13357 Bundle restrictions = sUserManager.getUserRestrictions(userId); 13358 if (restrictions.getBoolean(restrictionKey, false)) { 13359 Log.w(TAG, "User is restricted: " + restrictionKey); 13360 return true; 13361 } 13362 return false; 13363 } 13364 13365 @Override 13366 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 13367 int userId) { 13368 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13369 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13370 true /* requireFullPermission */, true /* checkShell */, 13371 "setPackagesSuspended for user " + userId); 13372 13373 if (ArrayUtils.isEmpty(packageNames)) { 13374 return packageNames; 13375 } 13376 13377 // List of package names for whom the suspended state has changed. 13378 List<String> changedPackages = new ArrayList<>(packageNames.length); 13379 // List of package names for whom the suspended state is not set as requested in this 13380 // method. 13381 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 13382 long callingId = Binder.clearCallingIdentity(); 13383 try { 13384 for (int i = 0; i < packageNames.length; i++) { 13385 String packageName = packageNames[i]; 13386 boolean changed = false; 13387 final int appId; 13388 synchronized (mPackages) { 13389 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13390 if (pkgSetting == null) { 13391 Slog.w(TAG, "Could not find package setting for package \"" + packageName 13392 + "\". Skipping suspending/un-suspending."); 13393 unactionedPackages.add(packageName); 13394 continue; 13395 } 13396 appId = pkgSetting.appId; 13397 if (pkgSetting.getSuspended(userId) != suspended) { 13398 if (!canSuspendPackageForUserLocked(packageName, userId)) { 13399 unactionedPackages.add(packageName); 13400 continue; 13401 } 13402 pkgSetting.setSuspended(suspended, userId); 13403 mSettings.writePackageRestrictionsLPr(userId); 13404 changed = true; 13405 changedPackages.add(packageName); 13406 } 13407 } 13408 13409 if (changed && suspended) { 13410 killApplication(packageName, UserHandle.getUid(userId, appId), 13411 "suspending package"); 13412 } 13413 } 13414 } finally { 13415 Binder.restoreCallingIdentity(callingId); 13416 } 13417 13418 if (!changedPackages.isEmpty()) { 13419 sendPackagesSuspendedForUser(changedPackages.toArray( 13420 new String[changedPackages.size()]), userId, suspended); 13421 } 13422 13423 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 13424 } 13425 13426 @Override 13427 public boolean isPackageSuspendedForUser(String packageName, int userId) { 13428 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13429 true /* requireFullPermission */, false /* checkShell */, 13430 "isPackageSuspendedForUser for user " + userId); 13431 synchronized (mPackages) { 13432 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13433 if (pkgSetting == null) { 13434 throw new IllegalArgumentException("Unknown target package: " + packageName); 13435 } 13436 return pkgSetting.getSuspended(userId); 13437 } 13438 } 13439 13440 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 13441 if (isPackageDeviceAdmin(packageName, userId)) { 13442 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13443 + "\": has an active device admin"); 13444 return false; 13445 } 13446 13447 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 13448 if (packageName.equals(activeLauncherPackageName)) { 13449 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13450 + "\": contains the active launcher"); 13451 return false; 13452 } 13453 13454 if (packageName.equals(mRequiredInstallerPackage)) { 13455 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13456 + "\": required for package installation"); 13457 return false; 13458 } 13459 13460 if (packageName.equals(mRequiredUninstallerPackage)) { 13461 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13462 + "\": required for package uninstallation"); 13463 return false; 13464 } 13465 13466 if (packageName.equals(mRequiredVerifierPackage)) { 13467 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13468 + "\": required for package verification"); 13469 return false; 13470 } 13471 13472 if (packageName.equals(getDefaultDialerPackageName(userId))) { 13473 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13474 + "\": is the default dialer"); 13475 return false; 13476 } 13477 13478 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13479 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13480 + "\": protected package"); 13481 return false; 13482 } 13483 13484 // Cannot suspend static shared libs as they are considered 13485 // a part of the using app (emulating static linking). Also 13486 // static libs are installed always on internal storage. 13487 PackageParser.Package pkg = mPackages.get(packageName); 13488 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 13489 Slog.w(TAG, "Cannot suspend package: " + packageName 13490 + " providing static shared library: " 13491 + pkg.staticSharedLibName); 13492 return false; 13493 } 13494 13495 return true; 13496 } 13497 13498 private String getActiveLauncherPackageName(int userId) { 13499 Intent intent = new Intent(Intent.ACTION_MAIN); 13500 intent.addCategory(Intent.CATEGORY_HOME); 13501 ResolveInfo resolveInfo = resolveIntent( 13502 intent, 13503 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 13504 PackageManager.MATCH_DEFAULT_ONLY, 13505 userId); 13506 13507 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 13508 } 13509 13510 private String getDefaultDialerPackageName(int userId) { 13511 synchronized (mPackages) { 13512 return mSettings.getDefaultDialerPackageNameLPw(userId); 13513 } 13514 } 13515 13516 @Override 13517 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 13518 mContext.enforceCallingOrSelfPermission( 13519 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13520 "Only package verification agents can verify applications"); 13521 13522 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13523 final PackageVerificationResponse response = new PackageVerificationResponse( 13524 verificationCode, Binder.getCallingUid()); 13525 msg.arg1 = id; 13526 msg.obj = response; 13527 mHandler.sendMessage(msg); 13528 } 13529 13530 @Override 13531 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 13532 long millisecondsToDelay) { 13533 mContext.enforceCallingOrSelfPermission( 13534 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13535 "Only package verification agents can extend verification timeouts"); 13536 13537 final PackageVerificationState state = mPendingVerification.get(id); 13538 final PackageVerificationResponse response = new PackageVerificationResponse( 13539 verificationCodeAtTimeout, Binder.getCallingUid()); 13540 13541 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 13542 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 13543 } 13544 if (millisecondsToDelay < 0) { 13545 millisecondsToDelay = 0; 13546 } 13547 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 13548 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 13549 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 13550 } 13551 13552 if ((state != null) && !state.timeoutExtended()) { 13553 state.extendTimeout(); 13554 13555 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13556 msg.arg1 = id; 13557 msg.obj = response; 13558 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 13559 } 13560 } 13561 13562 private void broadcastPackageVerified(int verificationId, Uri packageUri, 13563 int verificationCode, UserHandle user) { 13564 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 13565 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 13566 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13567 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13568 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 13569 13570 mContext.sendBroadcastAsUser(intent, user, 13571 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 13572 } 13573 13574 private ComponentName matchComponentForVerifier(String packageName, 13575 List<ResolveInfo> receivers) { 13576 ActivityInfo targetReceiver = null; 13577 13578 final int NR = receivers.size(); 13579 for (int i = 0; i < NR; i++) { 13580 final ResolveInfo info = receivers.get(i); 13581 if (info.activityInfo == null) { 13582 continue; 13583 } 13584 13585 if (packageName.equals(info.activityInfo.packageName)) { 13586 targetReceiver = info.activityInfo; 13587 break; 13588 } 13589 } 13590 13591 if (targetReceiver == null) { 13592 return null; 13593 } 13594 13595 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 13596 } 13597 13598 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 13599 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 13600 if (pkgInfo.verifiers.length == 0) { 13601 return null; 13602 } 13603 13604 final int N = pkgInfo.verifiers.length; 13605 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 13606 for (int i = 0; i < N; i++) { 13607 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 13608 13609 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 13610 receivers); 13611 if (comp == null) { 13612 continue; 13613 } 13614 13615 final int verifierUid = getUidForVerifier(verifierInfo); 13616 if (verifierUid == -1) { 13617 continue; 13618 } 13619 13620 if (DEBUG_VERIFY) { 13621 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 13622 + " with the correct signature"); 13623 } 13624 sufficientVerifiers.add(comp); 13625 verificationState.addSufficientVerifier(verifierUid); 13626 } 13627 13628 return sufficientVerifiers; 13629 } 13630 13631 private int getUidForVerifier(VerifierInfo verifierInfo) { 13632 synchronized (mPackages) { 13633 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 13634 if (pkg == null) { 13635 return -1; 13636 } else if (pkg.mSignatures.length != 1) { 13637 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13638 + " has more than one signature; ignoring"); 13639 return -1; 13640 } 13641 13642 /* 13643 * If the public key of the package's signature does not match 13644 * our expected public key, then this is a different package and 13645 * we should skip. 13646 */ 13647 13648 final byte[] expectedPublicKey; 13649 try { 13650 final Signature verifierSig = pkg.mSignatures[0]; 13651 final PublicKey publicKey = verifierSig.getPublicKey(); 13652 expectedPublicKey = publicKey.getEncoded(); 13653 } catch (CertificateException e) { 13654 return -1; 13655 } 13656 13657 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 13658 13659 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 13660 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13661 + " does not have the expected public key; ignoring"); 13662 return -1; 13663 } 13664 13665 return pkg.applicationInfo.uid; 13666 } 13667 } 13668 13669 @Override 13670 public void finishPackageInstall(int token, boolean didLaunch) { 13671 enforceSystemOrRoot("Only the system is allowed to finish installs"); 13672 13673 if (DEBUG_INSTALL) { 13674 Slog.v(TAG, "BM finishing package install for " + token); 13675 } 13676 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13677 13678 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 13679 mHandler.sendMessage(msg); 13680 } 13681 13682 /** 13683 * Get the verification agent timeout. 13684 * 13685 * @return verification timeout in milliseconds 13686 */ 13687 private long getVerificationTimeout() { 13688 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 13689 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 13690 DEFAULT_VERIFICATION_TIMEOUT); 13691 } 13692 13693 /** 13694 * Get the default verification agent response code. 13695 * 13696 * @return default verification response code 13697 */ 13698 private int getDefaultVerificationResponse() { 13699 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13700 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 13701 DEFAULT_VERIFICATION_RESPONSE); 13702 } 13703 13704 /** 13705 * Check whether or not package verification has been enabled. 13706 * 13707 * @return true if verification should be performed 13708 */ 13709 private boolean isVerificationEnabled(int userId, int installFlags) { 13710 if (!DEFAULT_VERIFY_ENABLE) { 13711 return false; 13712 } 13713 13714 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 13715 13716 // Check if installing from ADB 13717 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 13718 // Do not run verification in a test harness environment 13719 if (ActivityManager.isRunningInTestHarness()) { 13720 return false; 13721 } 13722 if (ensureVerifyAppsEnabled) { 13723 return true; 13724 } 13725 // Check if the developer does not want package verification for ADB installs 13726 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13727 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 13728 return false; 13729 } 13730 } 13731 13732 if (ensureVerifyAppsEnabled) { 13733 return true; 13734 } 13735 13736 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13737 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 13738 } 13739 13740 @Override 13741 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 13742 throws RemoteException { 13743 mContext.enforceCallingOrSelfPermission( 13744 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 13745 "Only intentfilter verification agents can verify applications"); 13746 13747 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 13748 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 13749 Binder.getCallingUid(), verificationCode, failedDomains); 13750 msg.arg1 = id; 13751 msg.obj = response; 13752 mHandler.sendMessage(msg); 13753 } 13754 13755 @Override 13756 public int getIntentVerificationStatus(String packageName, int userId) { 13757 synchronized (mPackages) { 13758 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 13759 } 13760 } 13761 13762 @Override 13763 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 13764 mContext.enforceCallingOrSelfPermission( 13765 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13766 13767 boolean result = false; 13768 synchronized (mPackages) { 13769 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 13770 } 13771 if (result) { 13772 scheduleWritePackageRestrictionsLocked(userId); 13773 } 13774 return result; 13775 } 13776 13777 @Override 13778 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 13779 String packageName) { 13780 synchronized (mPackages) { 13781 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 13782 } 13783 } 13784 13785 @Override 13786 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 13787 if (TextUtils.isEmpty(packageName)) { 13788 return ParceledListSlice.emptyList(); 13789 } 13790 synchronized (mPackages) { 13791 PackageParser.Package pkg = mPackages.get(packageName); 13792 if (pkg == null || pkg.activities == null) { 13793 return ParceledListSlice.emptyList(); 13794 } 13795 final int count = pkg.activities.size(); 13796 ArrayList<IntentFilter> result = new ArrayList<>(); 13797 for (int n=0; n<count; n++) { 13798 PackageParser.Activity activity = pkg.activities.get(n); 13799 if (activity.intents != null && activity.intents.size() > 0) { 13800 result.addAll(activity.intents); 13801 } 13802 } 13803 return new ParceledListSlice<>(result); 13804 } 13805 } 13806 13807 @Override 13808 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 13809 mContext.enforceCallingOrSelfPermission( 13810 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13811 13812 synchronized (mPackages) { 13813 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 13814 if (packageName != null) { 13815 result |= updateIntentVerificationStatus(packageName, 13816 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 13817 userId); 13818 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 13819 packageName, userId); 13820 } 13821 return result; 13822 } 13823 } 13824 13825 @Override 13826 public String getDefaultBrowserPackageName(int userId) { 13827 synchronized (mPackages) { 13828 return mSettings.getDefaultBrowserPackageNameLPw(userId); 13829 } 13830 } 13831 13832 /** 13833 * Get the "allow unknown sources" setting. 13834 * 13835 * @return the current "allow unknown sources" setting 13836 */ 13837 private int getUnknownSourcesSettings() { 13838 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 13839 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 13840 -1); 13841 } 13842 13843 @Override 13844 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 13845 final int uid = Binder.getCallingUid(); 13846 // writer 13847 synchronized (mPackages) { 13848 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 13849 if (targetPackageSetting == null) { 13850 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 13851 } 13852 13853 PackageSetting installerPackageSetting; 13854 if (installerPackageName != null) { 13855 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 13856 if (installerPackageSetting == null) { 13857 throw new IllegalArgumentException("Unknown installer package: " 13858 + installerPackageName); 13859 } 13860 } else { 13861 installerPackageSetting = null; 13862 } 13863 13864 Signature[] callerSignature; 13865 Object obj = mSettings.getUserIdLPr(uid); 13866 if (obj != null) { 13867 if (obj instanceof SharedUserSetting) { 13868 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 13869 } else if (obj instanceof PackageSetting) { 13870 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 13871 } else { 13872 throw new SecurityException("Bad object " + obj + " for uid " + uid); 13873 } 13874 } else { 13875 throw new SecurityException("Unknown calling UID: " + uid); 13876 } 13877 13878 // Verify: can't set installerPackageName to a package that is 13879 // not signed with the same cert as the caller. 13880 if (installerPackageSetting != null) { 13881 if (compareSignatures(callerSignature, 13882 installerPackageSetting.signatures.mSignatures) 13883 != PackageManager.SIGNATURE_MATCH) { 13884 throw new SecurityException( 13885 "Caller does not have same cert as new installer package " 13886 + installerPackageName); 13887 } 13888 } 13889 13890 // Verify: if target already has an installer package, it must 13891 // be signed with the same cert as the caller. 13892 if (targetPackageSetting.installerPackageName != null) { 13893 PackageSetting setting = mSettings.mPackages.get( 13894 targetPackageSetting.installerPackageName); 13895 // If the currently set package isn't valid, then it's always 13896 // okay to change it. 13897 if (setting != null) { 13898 if (compareSignatures(callerSignature, 13899 setting.signatures.mSignatures) 13900 != PackageManager.SIGNATURE_MATCH) { 13901 throw new SecurityException( 13902 "Caller does not have same cert as old installer package " 13903 + targetPackageSetting.installerPackageName); 13904 } 13905 } 13906 } 13907 13908 // Okay! 13909 targetPackageSetting.installerPackageName = installerPackageName; 13910 if (installerPackageName != null) { 13911 mSettings.mInstallerPackages.add(installerPackageName); 13912 } 13913 scheduleWriteSettingsLocked(); 13914 } 13915 } 13916 13917 @Override 13918 public void setApplicationCategoryHint(String packageName, int categoryHint, 13919 String callerPackageName) { 13920 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 13921 callerPackageName); 13922 synchronized (mPackages) { 13923 PackageSetting ps = mSettings.mPackages.get(packageName); 13924 if (ps == null) { 13925 throw new IllegalArgumentException("Unknown target package " + packageName); 13926 } 13927 13928 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 13929 throw new IllegalArgumentException("Calling package " + callerPackageName 13930 + " is not installer for " + packageName); 13931 } 13932 13933 if (ps.categoryHint != categoryHint) { 13934 ps.categoryHint = categoryHint; 13935 scheduleWriteSettingsLocked(); 13936 } 13937 } 13938 } 13939 13940 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 13941 // Queue up an async operation since the package installation may take a little while. 13942 mHandler.post(new Runnable() { 13943 public void run() { 13944 mHandler.removeCallbacks(this); 13945 // Result object to be returned 13946 PackageInstalledInfo res = new PackageInstalledInfo(); 13947 res.setReturnCode(currentStatus); 13948 res.uid = -1; 13949 res.pkg = null; 13950 res.removedInfo = null; 13951 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13952 args.doPreInstall(res.returnCode); 13953 synchronized (mInstallLock) { 13954 installPackageTracedLI(args, res); 13955 } 13956 args.doPostInstall(res.returnCode, res.uid); 13957 } 13958 13959 // A restore should be performed at this point if (a) the install 13960 // succeeded, (b) the operation is not an update, and (c) the new 13961 // package has not opted out of backup participation. 13962 final boolean update = res.removedInfo != null 13963 && res.removedInfo.removedPackage != null; 13964 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 13965 boolean doRestore = !update 13966 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 13967 13968 // Set up the post-install work request bookkeeping. This will be used 13969 // and cleaned up by the post-install event handling regardless of whether 13970 // there's a restore pass performed. Token values are >= 1. 13971 int token; 13972 if (mNextInstallToken < 0) mNextInstallToken = 1; 13973 token = mNextInstallToken++; 13974 13975 PostInstallData data = new PostInstallData(args, res); 13976 mRunningInstalls.put(token, data); 13977 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 13978 13979 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 13980 // Pass responsibility to the Backup Manager. It will perform a 13981 // restore if appropriate, then pass responsibility back to the 13982 // Package Manager to run the post-install observer callbacks 13983 // and broadcasts. 13984 IBackupManager bm = IBackupManager.Stub.asInterface( 13985 ServiceManager.getService(Context.BACKUP_SERVICE)); 13986 if (bm != null) { 13987 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 13988 + " to BM for possible restore"); 13989 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13990 try { 13991 // TODO: http://b/22388012 13992 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 13993 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 13994 } else { 13995 doRestore = false; 13996 } 13997 } catch (RemoteException e) { 13998 // can't happen; the backup manager is local 13999 } catch (Exception e) { 14000 Slog.e(TAG, "Exception trying to enqueue restore", e); 14001 doRestore = false; 14002 } 14003 } else { 14004 Slog.e(TAG, "Backup Manager not found!"); 14005 doRestore = false; 14006 } 14007 } 14008 14009 if (!doRestore) { 14010 // No restore possible, or the Backup Manager was mysteriously not 14011 // available -- just fire the post-install work request directly. 14012 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 14013 14014 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 14015 14016 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 14017 mHandler.sendMessage(msg); 14018 } 14019 } 14020 }); 14021 } 14022 14023 /** 14024 * Callback from PackageSettings whenever an app is first transitioned out of the 14025 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 14026 * the app was "launched" for a restoreAtInstall operation. Therefore we check 14027 * here whether the app is the target of an ongoing install, and only send the 14028 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 14029 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 14030 * handling. 14031 */ 14032 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 14033 // Serialize this with the rest of the install-process message chain. In the 14034 // restore-at-install case, this Runnable will necessarily run before the 14035 // POST_INSTALL message is processed, so the contents of mRunningInstalls 14036 // are coherent. In the non-restore case, the app has already completed install 14037 // and been launched through some other means, so it is not in a problematic 14038 // state for observers to see the FIRST_LAUNCH signal. 14039 mHandler.post(new Runnable() { 14040 @Override 14041 public void run() { 14042 for (int i = 0; i < mRunningInstalls.size(); i++) { 14043 final PostInstallData data = mRunningInstalls.valueAt(i); 14044 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14045 continue; 14046 } 14047 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 14048 // right package; but is it for the right user? 14049 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 14050 if (userId == data.res.newUsers[uIndex]) { 14051 if (DEBUG_BACKUP) { 14052 Slog.i(TAG, "Package " + pkgName 14053 + " being restored so deferring FIRST_LAUNCH"); 14054 } 14055 return; 14056 } 14057 } 14058 } 14059 } 14060 // didn't find it, so not being restored 14061 if (DEBUG_BACKUP) { 14062 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 14063 } 14064 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 14065 } 14066 }); 14067 } 14068 14069 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 14070 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 14071 installerPkg, null, userIds); 14072 } 14073 14074 private abstract class HandlerParams { 14075 private static final int MAX_RETRIES = 4; 14076 14077 /** 14078 * Number of times startCopy() has been attempted and had a non-fatal 14079 * error. 14080 */ 14081 private int mRetries = 0; 14082 14083 /** User handle for the user requesting the information or installation. */ 14084 private final UserHandle mUser; 14085 String traceMethod; 14086 int traceCookie; 14087 14088 HandlerParams(UserHandle user) { 14089 mUser = user; 14090 } 14091 14092 UserHandle getUser() { 14093 return mUser; 14094 } 14095 14096 HandlerParams setTraceMethod(String traceMethod) { 14097 this.traceMethod = traceMethod; 14098 return this; 14099 } 14100 14101 HandlerParams setTraceCookie(int traceCookie) { 14102 this.traceCookie = traceCookie; 14103 return this; 14104 } 14105 14106 final boolean startCopy() { 14107 boolean res; 14108 try { 14109 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 14110 14111 if (++mRetries > MAX_RETRIES) { 14112 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 14113 mHandler.sendEmptyMessage(MCS_GIVE_UP); 14114 handleServiceError(); 14115 return false; 14116 } else { 14117 handleStartCopy(); 14118 res = true; 14119 } 14120 } catch (RemoteException e) { 14121 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 14122 mHandler.sendEmptyMessage(MCS_RECONNECT); 14123 res = false; 14124 } 14125 handleReturnCode(); 14126 return res; 14127 } 14128 14129 final void serviceError() { 14130 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 14131 handleServiceError(); 14132 handleReturnCode(); 14133 } 14134 14135 abstract void handleStartCopy() throws RemoteException; 14136 abstract void handleServiceError(); 14137 abstract void handleReturnCode(); 14138 } 14139 14140 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 14141 for (File path : paths) { 14142 try { 14143 mcs.clearDirectory(path.getAbsolutePath()); 14144 } catch (RemoteException e) { 14145 } 14146 } 14147 } 14148 14149 static class OriginInfo { 14150 /** 14151 * Location where install is coming from, before it has been 14152 * copied/renamed into place. This could be a single monolithic APK 14153 * file, or a cluster directory. This location may be untrusted. 14154 */ 14155 final File file; 14156 final String cid; 14157 14158 /** 14159 * Flag indicating that {@link #file} or {@link #cid} has already been 14160 * staged, meaning downstream users don't need to defensively copy the 14161 * contents. 14162 */ 14163 final boolean staged; 14164 14165 /** 14166 * Flag indicating that {@link #file} or {@link #cid} is an already 14167 * installed app that is being moved. 14168 */ 14169 final boolean existing; 14170 14171 final String resolvedPath; 14172 final File resolvedFile; 14173 14174 static OriginInfo fromNothing() { 14175 return new OriginInfo(null, null, false, false); 14176 } 14177 14178 static OriginInfo fromUntrustedFile(File file) { 14179 return new OriginInfo(file, null, false, false); 14180 } 14181 14182 static OriginInfo fromExistingFile(File file) { 14183 return new OriginInfo(file, null, false, true); 14184 } 14185 14186 static OriginInfo fromStagedFile(File file) { 14187 return new OriginInfo(file, null, true, false); 14188 } 14189 14190 static OriginInfo fromStagedContainer(String cid) { 14191 return new OriginInfo(null, cid, true, false); 14192 } 14193 14194 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 14195 this.file = file; 14196 this.cid = cid; 14197 this.staged = staged; 14198 this.existing = existing; 14199 14200 if (cid != null) { 14201 resolvedPath = PackageHelper.getSdDir(cid); 14202 resolvedFile = new File(resolvedPath); 14203 } else if (file != null) { 14204 resolvedPath = file.getAbsolutePath(); 14205 resolvedFile = file; 14206 } else { 14207 resolvedPath = null; 14208 resolvedFile = null; 14209 } 14210 } 14211 } 14212 14213 static class MoveInfo { 14214 final int moveId; 14215 final String fromUuid; 14216 final String toUuid; 14217 final String packageName; 14218 final String dataAppName; 14219 final int appId; 14220 final String seinfo; 14221 final int targetSdkVersion; 14222 14223 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 14224 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 14225 this.moveId = moveId; 14226 this.fromUuid = fromUuid; 14227 this.toUuid = toUuid; 14228 this.packageName = packageName; 14229 this.dataAppName = dataAppName; 14230 this.appId = appId; 14231 this.seinfo = seinfo; 14232 this.targetSdkVersion = targetSdkVersion; 14233 } 14234 } 14235 14236 static class VerificationInfo { 14237 /** A constant used to indicate that a uid value is not present. */ 14238 public static final int NO_UID = -1; 14239 14240 /** URI referencing where the package was downloaded from. */ 14241 final Uri originatingUri; 14242 14243 /** HTTP referrer URI associated with the originatingURI. */ 14244 final Uri referrer; 14245 14246 /** UID of the application that the install request originated from. */ 14247 final int originatingUid; 14248 14249 /** UID of application requesting the install */ 14250 final int installerUid; 14251 14252 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 14253 this.originatingUri = originatingUri; 14254 this.referrer = referrer; 14255 this.originatingUid = originatingUid; 14256 this.installerUid = installerUid; 14257 } 14258 } 14259 14260 class InstallParams extends HandlerParams { 14261 final OriginInfo origin; 14262 final MoveInfo move; 14263 final IPackageInstallObserver2 observer; 14264 int installFlags; 14265 final String installerPackageName; 14266 final String volumeUuid; 14267 private InstallArgs mArgs; 14268 private int mRet; 14269 final String packageAbiOverride; 14270 final String[] grantedRuntimePermissions; 14271 final VerificationInfo verificationInfo; 14272 final Certificate[][] certificates; 14273 final int installReason; 14274 14275 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14276 int installFlags, String installerPackageName, String volumeUuid, 14277 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 14278 String[] grantedPermissions, Certificate[][] certificates, int installReason) { 14279 super(user); 14280 this.origin = origin; 14281 this.move = move; 14282 this.observer = observer; 14283 this.installFlags = installFlags; 14284 this.installerPackageName = installerPackageName; 14285 this.volumeUuid = volumeUuid; 14286 this.verificationInfo = verificationInfo; 14287 this.packageAbiOverride = packageAbiOverride; 14288 this.grantedRuntimePermissions = grantedPermissions; 14289 this.certificates = certificates; 14290 this.installReason = installReason; 14291 } 14292 14293 @Override 14294 public String toString() { 14295 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 14296 + " file=" + origin.file + " cid=" + origin.cid + "}"; 14297 } 14298 14299 private int installLocationPolicy(PackageInfoLite pkgLite) { 14300 String packageName = pkgLite.packageName; 14301 int installLocation = pkgLite.installLocation; 14302 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14303 // reader 14304 synchronized (mPackages) { 14305 // Currently installed package which the new package is attempting to replace or 14306 // null if no such package is installed. 14307 PackageParser.Package installedPkg = mPackages.get(packageName); 14308 // Package which currently owns the data which the new package will own if installed. 14309 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 14310 // will be null whereas dataOwnerPkg will contain information about the package 14311 // which was uninstalled while keeping its data. 14312 PackageParser.Package dataOwnerPkg = installedPkg; 14313 if (dataOwnerPkg == null) { 14314 PackageSetting ps = mSettings.mPackages.get(packageName); 14315 if (ps != null) { 14316 dataOwnerPkg = ps.pkg; 14317 } 14318 } 14319 14320 if (dataOwnerPkg != null) { 14321 // If installed, the package will get access to data left on the device by its 14322 // predecessor. As a security measure, this is permited only if this is not a 14323 // version downgrade or if the predecessor package is marked as debuggable and 14324 // a downgrade is explicitly requested. 14325 // 14326 // On debuggable platform builds, downgrades are permitted even for 14327 // non-debuggable packages to make testing easier. Debuggable platform builds do 14328 // not offer security guarantees and thus it's OK to disable some security 14329 // mechanisms to make debugging/testing easier on those builds. However, even on 14330 // debuggable builds downgrades of packages are permitted only if requested via 14331 // installFlags. This is because we aim to keep the behavior of debuggable 14332 // platform builds as close as possible to the behavior of non-debuggable 14333 // platform builds. 14334 final boolean downgradeRequested = 14335 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 14336 final boolean packageDebuggable = 14337 (dataOwnerPkg.applicationInfo.flags 14338 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 14339 final boolean downgradePermitted = 14340 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 14341 if (!downgradePermitted) { 14342 try { 14343 checkDowngrade(dataOwnerPkg, pkgLite); 14344 } catch (PackageManagerException e) { 14345 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 14346 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 14347 } 14348 } 14349 } 14350 14351 if (installedPkg != null) { 14352 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14353 // Check for updated system application. 14354 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 14355 if (onSd) { 14356 Slog.w(TAG, "Cannot install update to system app on sdcard"); 14357 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 14358 } 14359 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14360 } else { 14361 if (onSd) { 14362 // Install flag overrides everything. 14363 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14364 } 14365 // If current upgrade specifies particular preference 14366 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 14367 // Application explicitly specified internal. 14368 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14369 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 14370 // App explictly prefers external. Let policy decide 14371 } else { 14372 // Prefer previous location 14373 if (isExternal(installedPkg)) { 14374 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14375 } 14376 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14377 } 14378 } 14379 } else { 14380 // Invalid install. Return error code 14381 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 14382 } 14383 } 14384 } 14385 // All the special cases have been taken care of. 14386 // Return result based on recommended install location. 14387 if (onSd) { 14388 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14389 } 14390 return pkgLite.recommendedInstallLocation; 14391 } 14392 14393 /* 14394 * Invoke remote method to get package information and install 14395 * location values. Override install location based on default 14396 * policy if needed and then create install arguments based 14397 * on the install location. 14398 */ 14399 public void handleStartCopy() throws RemoteException { 14400 int ret = PackageManager.INSTALL_SUCCEEDED; 14401 14402 // If we're already staged, we've firmly committed to an install location 14403 if (origin.staged) { 14404 if (origin.file != null) { 14405 installFlags |= PackageManager.INSTALL_INTERNAL; 14406 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14407 } else if (origin.cid != null) { 14408 installFlags |= PackageManager.INSTALL_EXTERNAL; 14409 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14410 } else { 14411 throw new IllegalStateException("Invalid stage location"); 14412 } 14413 } 14414 14415 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14416 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 14417 final boolean ephemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14418 PackageInfoLite pkgLite = null; 14419 14420 if (onInt && onSd) { 14421 // Check if both bits are set. 14422 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 14423 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14424 } else if (onSd && ephemeral) { 14425 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 14426 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14427 } else { 14428 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 14429 packageAbiOverride); 14430 14431 if (DEBUG_EPHEMERAL && ephemeral) { 14432 Slog.v(TAG, "pkgLite for install: " + pkgLite); 14433 } 14434 14435 /* 14436 * If we have too little free space, try to free cache 14437 * before giving up. 14438 */ 14439 if (!origin.staged && pkgLite.recommendedInstallLocation 14440 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14441 // TODO: focus freeing disk space on the target device 14442 final StorageManager storage = StorageManager.from(mContext); 14443 final long lowThreshold = storage.getStorageLowBytes( 14444 Environment.getDataDirectory()); 14445 14446 final long sizeBytes = mContainerService.calculateInstalledSize( 14447 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 14448 14449 try { 14450 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0); 14451 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 14452 installFlags, packageAbiOverride); 14453 } catch (InstallerException e) { 14454 Slog.w(TAG, "Failed to free cache", e); 14455 } 14456 14457 /* 14458 * The cache free must have deleted the file we 14459 * downloaded to install. 14460 * 14461 * TODO: fix the "freeCache" call to not delete 14462 * the file we care about. 14463 */ 14464 if (pkgLite.recommendedInstallLocation 14465 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14466 pkgLite.recommendedInstallLocation 14467 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 14468 } 14469 } 14470 } 14471 14472 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14473 int loc = pkgLite.recommendedInstallLocation; 14474 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 14475 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14476 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 14477 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 14478 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14479 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14480 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 14481 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 14482 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14483 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 14484 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 14485 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 14486 } else { 14487 // Override with defaults if needed. 14488 loc = installLocationPolicy(pkgLite); 14489 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 14490 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 14491 } else if (!onSd && !onInt) { 14492 // Override install location with flags 14493 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 14494 // Set the flag to install on external media. 14495 installFlags |= PackageManager.INSTALL_EXTERNAL; 14496 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14497 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 14498 if (DEBUG_EPHEMERAL) { 14499 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 14500 } 14501 installFlags |= PackageManager.INSTALL_INSTANT_APP; 14502 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 14503 |PackageManager.INSTALL_INTERNAL); 14504 } else { 14505 // Make sure the flag for installing on external 14506 // media is unset 14507 installFlags |= PackageManager.INSTALL_INTERNAL; 14508 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14509 } 14510 } 14511 } 14512 } 14513 14514 final InstallArgs args = createInstallArgs(this); 14515 mArgs = args; 14516 14517 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14518 // TODO: http://b/22976637 14519 // Apps installed for "all" users use the device owner to verify the app 14520 UserHandle verifierUser = getUser(); 14521 if (verifierUser == UserHandle.ALL) { 14522 verifierUser = UserHandle.SYSTEM; 14523 } 14524 14525 /* 14526 * Determine if we have any installed package verifiers. If we 14527 * do, then we'll defer to them to verify the packages. 14528 */ 14529 final int requiredUid = mRequiredVerifierPackage == null ? -1 14530 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 14531 verifierUser.getIdentifier()); 14532 if (!origin.existing && requiredUid != -1 14533 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 14534 final Intent verification = new Intent( 14535 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 14536 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 14537 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 14538 PACKAGE_MIME_TYPE); 14539 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14540 14541 // Query all live verifiers based on current user state 14542 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 14543 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 14544 14545 if (DEBUG_VERIFY) { 14546 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 14547 + verification.toString() + " with " + pkgLite.verifiers.length 14548 + " optional verifiers"); 14549 } 14550 14551 final int verificationId = mPendingVerificationToken++; 14552 14553 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14554 14555 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 14556 installerPackageName); 14557 14558 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 14559 installFlags); 14560 14561 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 14562 pkgLite.packageName); 14563 14564 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 14565 pkgLite.versionCode); 14566 14567 if (verificationInfo != null) { 14568 if (verificationInfo.originatingUri != null) { 14569 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 14570 verificationInfo.originatingUri); 14571 } 14572 if (verificationInfo.referrer != null) { 14573 verification.putExtra(Intent.EXTRA_REFERRER, 14574 verificationInfo.referrer); 14575 } 14576 if (verificationInfo.originatingUid >= 0) { 14577 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 14578 verificationInfo.originatingUid); 14579 } 14580 if (verificationInfo.installerUid >= 0) { 14581 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 14582 verificationInfo.installerUid); 14583 } 14584 } 14585 14586 final PackageVerificationState verificationState = new PackageVerificationState( 14587 requiredUid, args); 14588 14589 mPendingVerification.append(verificationId, verificationState); 14590 14591 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 14592 receivers, verificationState); 14593 14594 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 14595 final long idleDuration = getVerificationTimeout(); 14596 14597 /* 14598 * If any sufficient verifiers were listed in the package 14599 * manifest, attempt to ask them. 14600 */ 14601 if (sufficientVerifiers != null) { 14602 final int N = sufficientVerifiers.size(); 14603 if (N == 0) { 14604 Slog.i(TAG, "Additional verifiers required, but none installed."); 14605 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 14606 } else { 14607 for (int i = 0; i < N; i++) { 14608 final ComponentName verifierComponent = sufficientVerifiers.get(i); 14609 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14610 verifierComponent.getPackageName(), idleDuration, 14611 verifierUser.getIdentifier(), false, "package verifier"); 14612 14613 final Intent sufficientIntent = new Intent(verification); 14614 sufficientIntent.setComponent(verifierComponent); 14615 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 14616 } 14617 } 14618 } 14619 14620 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 14621 mRequiredVerifierPackage, receivers); 14622 if (ret == PackageManager.INSTALL_SUCCEEDED 14623 && mRequiredVerifierPackage != null) { 14624 Trace.asyncTraceBegin( 14625 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 14626 /* 14627 * Send the intent to the required verification agent, 14628 * but only start the verification timeout after the 14629 * target BroadcastReceivers have run. 14630 */ 14631 verification.setComponent(requiredVerifierComponent); 14632 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14633 mRequiredVerifierPackage, idleDuration, 14634 verifierUser.getIdentifier(), false, "package verifier"); 14635 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 14636 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14637 new BroadcastReceiver() { 14638 @Override 14639 public void onReceive(Context context, Intent intent) { 14640 final Message msg = mHandler 14641 .obtainMessage(CHECK_PENDING_VERIFICATION); 14642 msg.arg1 = verificationId; 14643 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 14644 } 14645 }, null, 0, null, null); 14646 14647 /* 14648 * We don't want the copy to proceed until verification 14649 * succeeds, so null out this field. 14650 */ 14651 mArgs = null; 14652 } 14653 } else { 14654 /* 14655 * No package verification is enabled, so immediately start 14656 * the remote call to initiate copy using temporary file. 14657 */ 14658 ret = args.copyApk(mContainerService, true); 14659 } 14660 } 14661 14662 mRet = ret; 14663 } 14664 14665 @Override 14666 void handleReturnCode() { 14667 // If mArgs is null, then MCS couldn't be reached. When it 14668 // reconnects, it will try again to install. At that point, this 14669 // will succeed. 14670 if (mArgs != null) { 14671 processPendingInstall(mArgs, mRet); 14672 } 14673 } 14674 14675 @Override 14676 void handleServiceError() { 14677 mArgs = createInstallArgs(this); 14678 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14679 } 14680 14681 public boolean isForwardLocked() { 14682 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14683 } 14684 } 14685 14686 /** 14687 * Used during creation of InstallArgs 14688 * 14689 * @param installFlags package installation flags 14690 * @return true if should be installed on external storage 14691 */ 14692 private static boolean installOnExternalAsec(int installFlags) { 14693 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 14694 return false; 14695 } 14696 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 14697 return true; 14698 } 14699 return false; 14700 } 14701 14702 /** 14703 * Used during creation of InstallArgs 14704 * 14705 * @param installFlags package installation flags 14706 * @return true if should be installed as forward locked 14707 */ 14708 private static boolean installForwardLocked(int installFlags) { 14709 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14710 } 14711 14712 private InstallArgs createInstallArgs(InstallParams params) { 14713 if (params.move != null) { 14714 return new MoveInstallArgs(params); 14715 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 14716 return new AsecInstallArgs(params); 14717 } else { 14718 return new FileInstallArgs(params); 14719 } 14720 } 14721 14722 /** 14723 * Create args that describe an existing installed package. Typically used 14724 * when cleaning up old installs, or used as a move source. 14725 */ 14726 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 14727 String resourcePath, String[] instructionSets) { 14728 final boolean isInAsec; 14729 if (installOnExternalAsec(installFlags)) { 14730 /* Apps on SD card are always in ASEC containers. */ 14731 isInAsec = true; 14732 } else if (installForwardLocked(installFlags) 14733 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 14734 /* 14735 * Forward-locked apps are only in ASEC containers if they're the 14736 * new style 14737 */ 14738 isInAsec = true; 14739 } else { 14740 isInAsec = false; 14741 } 14742 14743 if (isInAsec) { 14744 return new AsecInstallArgs(codePath, instructionSets, 14745 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 14746 } else { 14747 return new FileInstallArgs(codePath, resourcePath, instructionSets); 14748 } 14749 } 14750 14751 static abstract class InstallArgs { 14752 /** @see InstallParams#origin */ 14753 final OriginInfo origin; 14754 /** @see InstallParams#move */ 14755 final MoveInfo move; 14756 14757 final IPackageInstallObserver2 observer; 14758 // Always refers to PackageManager flags only 14759 final int installFlags; 14760 final String installerPackageName; 14761 final String volumeUuid; 14762 final UserHandle user; 14763 final String abiOverride; 14764 final String[] installGrantPermissions; 14765 /** If non-null, drop an async trace when the install completes */ 14766 final String traceMethod; 14767 final int traceCookie; 14768 final Certificate[][] certificates; 14769 final int installReason; 14770 14771 // The list of instruction sets supported by this app. This is currently 14772 // only used during the rmdex() phase to clean up resources. We can get rid of this 14773 // if we move dex files under the common app path. 14774 /* nullable */ String[] instructionSets; 14775 14776 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14777 int installFlags, String installerPackageName, String volumeUuid, 14778 UserHandle user, String[] instructionSets, 14779 String abiOverride, String[] installGrantPermissions, 14780 String traceMethod, int traceCookie, Certificate[][] certificates, 14781 int installReason) { 14782 this.origin = origin; 14783 this.move = move; 14784 this.installFlags = installFlags; 14785 this.observer = observer; 14786 this.installerPackageName = installerPackageName; 14787 this.volumeUuid = volumeUuid; 14788 this.user = user; 14789 this.instructionSets = instructionSets; 14790 this.abiOverride = abiOverride; 14791 this.installGrantPermissions = installGrantPermissions; 14792 this.traceMethod = traceMethod; 14793 this.traceCookie = traceCookie; 14794 this.certificates = certificates; 14795 this.installReason = installReason; 14796 } 14797 14798 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 14799 abstract int doPreInstall(int status); 14800 14801 /** 14802 * Rename package into final resting place. All paths on the given 14803 * scanned package should be updated to reflect the rename. 14804 */ 14805 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 14806 abstract int doPostInstall(int status, int uid); 14807 14808 /** @see PackageSettingBase#codePathString */ 14809 abstract String getCodePath(); 14810 /** @see PackageSettingBase#resourcePathString */ 14811 abstract String getResourcePath(); 14812 14813 // Need installer lock especially for dex file removal. 14814 abstract void cleanUpResourcesLI(); 14815 abstract boolean doPostDeleteLI(boolean delete); 14816 14817 /** 14818 * Called before the source arguments are copied. This is used mostly 14819 * for MoveParams when it needs to read the source file to put it in the 14820 * destination. 14821 */ 14822 int doPreCopy() { 14823 return PackageManager.INSTALL_SUCCEEDED; 14824 } 14825 14826 /** 14827 * Called after the source arguments are copied. This is used mostly for 14828 * MoveParams when it needs to read the source file to put it in the 14829 * destination. 14830 */ 14831 int doPostCopy(int uid) { 14832 return PackageManager.INSTALL_SUCCEEDED; 14833 } 14834 14835 protected boolean isFwdLocked() { 14836 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14837 } 14838 14839 protected boolean isExternalAsec() { 14840 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14841 } 14842 14843 protected boolean isEphemeral() { 14844 return (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14845 } 14846 14847 UserHandle getUser() { 14848 return user; 14849 } 14850 } 14851 14852 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 14853 if (!allCodePaths.isEmpty()) { 14854 if (instructionSets == null) { 14855 throw new IllegalStateException("instructionSet == null"); 14856 } 14857 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 14858 for (String codePath : allCodePaths) { 14859 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 14860 try { 14861 mInstaller.rmdex(codePath, dexCodeInstructionSet); 14862 } catch (InstallerException ignored) { 14863 } 14864 } 14865 } 14866 } 14867 } 14868 14869 /** 14870 * Logic to handle installation of non-ASEC applications, including copying 14871 * and renaming logic. 14872 */ 14873 class FileInstallArgs extends InstallArgs { 14874 private File codeFile; 14875 private File resourceFile; 14876 14877 // Example topology: 14878 // /data/app/com.example/base.apk 14879 // /data/app/com.example/split_foo.apk 14880 // /data/app/com.example/lib/arm/libfoo.so 14881 // /data/app/com.example/lib/arm64/libfoo.so 14882 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 14883 14884 /** New install */ 14885 FileInstallArgs(InstallParams params) { 14886 super(params.origin, params.move, params.observer, params.installFlags, 14887 params.installerPackageName, params.volumeUuid, 14888 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 14889 params.grantedRuntimePermissions, 14890 params.traceMethod, params.traceCookie, params.certificates, 14891 params.installReason); 14892 if (isFwdLocked()) { 14893 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 14894 } 14895 } 14896 14897 /** Existing install */ 14898 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 14899 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 14900 null, null, null, 0, null /*certificates*/, 14901 PackageManager.INSTALL_REASON_UNKNOWN); 14902 this.codeFile = (codePath != null) ? new File(codePath) : null; 14903 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 14904 } 14905 14906 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14907 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 14908 try { 14909 return doCopyApk(imcs, temp); 14910 } finally { 14911 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14912 } 14913 } 14914 14915 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14916 if (origin.staged) { 14917 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 14918 codeFile = origin.file; 14919 resourceFile = origin.file; 14920 return PackageManager.INSTALL_SUCCEEDED; 14921 } 14922 14923 try { 14924 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14925 final File tempDir = 14926 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 14927 codeFile = tempDir; 14928 resourceFile = tempDir; 14929 } catch (IOException e) { 14930 Slog.w(TAG, "Failed to create copy file: " + e); 14931 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14932 } 14933 14934 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 14935 @Override 14936 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 14937 if (!FileUtils.isValidExtFilename(name)) { 14938 throw new IllegalArgumentException("Invalid filename: " + name); 14939 } 14940 try { 14941 final File file = new File(codeFile, name); 14942 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 14943 O_RDWR | O_CREAT, 0644); 14944 Os.chmod(file.getAbsolutePath(), 0644); 14945 return new ParcelFileDescriptor(fd); 14946 } catch (ErrnoException e) { 14947 throw new RemoteException("Failed to open: " + e.getMessage()); 14948 } 14949 } 14950 }; 14951 14952 int ret = PackageManager.INSTALL_SUCCEEDED; 14953 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 14954 if (ret != PackageManager.INSTALL_SUCCEEDED) { 14955 Slog.e(TAG, "Failed to copy package"); 14956 return ret; 14957 } 14958 14959 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 14960 NativeLibraryHelper.Handle handle = null; 14961 try { 14962 handle = NativeLibraryHelper.Handle.create(codeFile); 14963 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 14964 abiOverride); 14965 } catch (IOException e) { 14966 Slog.e(TAG, "Copying native libraries failed", e); 14967 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14968 } finally { 14969 IoUtils.closeQuietly(handle); 14970 } 14971 14972 return ret; 14973 } 14974 14975 int doPreInstall(int status) { 14976 if (status != PackageManager.INSTALL_SUCCEEDED) { 14977 cleanUp(); 14978 } 14979 return status; 14980 } 14981 14982 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14983 if (status != PackageManager.INSTALL_SUCCEEDED) { 14984 cleanUp(); 14985 return false; 14986 } 14987 14988 final File targetDir = codeFile.getParentFile(); 14989 final File beforeCodeFile = codeFile; 14990 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 14991 14992 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 14993 try { 14994 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 14995 } catch (ErrnoException e) { 14996 Slog.w(TAG, "Failed to rename", e); 14997 return false; 14998 } 14999 15000 if (!SELinux.restoreconRecursive(afterCodeFile)) { 15001 Slog.w(TAG, "Failed to restorecon"); 15002 return false; 15003 } 15004 15005 // Reflect the rename internally 15006 codeFile = afterCodeFile; 15007 resourceFile = afterCodeFile; 15008 15009 // Reflect the rename in scanned details 15010 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15011 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15012 afterCodeFile, pkg.baseCodePath)); 15013 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15014 afterCodeFile, pkg.splitCodePaths)); 15015 15016 // Reflect the rename in app info 15017 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15018 pkg.setApplicationInfoCodePath(pkg.codePath); 15019 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15020 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15021 pkg.setApplicationInfoResourcePath(pkg.codePath); 15022 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15023 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15024 15025 return true; 15026 } 15027 15028 int doPostInstall(int status, int uid) { 15029 if (status != PackageManager.INSTALL_SUCCEEDED) { 15030 cleanUp(); 15031 } 15032 return status; 15033 } 15034 15035 @Override 15036 String getCodePath() { 15037 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15038 } 15039 15040 @Override 15041 String getResourcePath() { 15042 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15043 } 15044 15045 private boolean cleanUp() { 15046 if (codeFile == null || !codeFile.exists()) { 15047 return false; 15048 } 15049 15050 removeCodePathLI(codeFile); 15051 15052 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 15053 resourceFile.delete(); 15054 } 15055 15056 return true; 15057 } 15058 15059 void cleanUpResourcesLI() { 15060 // Try enumerating all code paths before deleting 15061 List<String> allCodePaths = Collections.EMPTY_LIST; 15062 if (codeFile != null && codeFile.exists()) { 15063 try { 15064 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15065 allCodePaths = pkg.getAllCodePaths(); 15066 } catch (PackageParserException e) { 15067 // Ignored; we tried our best 15068 } 15069 } 15070 15071 cleanUp(); 15072 removeDexFiles(allCodePaths, instructionSets); 15073 } 15074 15075 boolean doPostDeleteLI(boolean delete) { 15076 // XXX err, shouldn't we respect the delete flag? 15077 cleanUpResourcesLI(); 15078 return true; 15079 } 15080 } 15081 15082 private boolean isAsecExternal(String cid) { 15083 final String asecPath = PackageHelper.getSdFilesystem(cid); 15084 return !asecPath.startsWith(mAsecInternalPath); 15085 } 15086 15087 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 15088 PackageManagerException { 15089 if (copyRet < 0) { 15090 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 15091 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 15092 throw new PackageManagerException(copyRet, message); 15093 } 15094 } 15095 } 15096 15097 /** 15098 * Extract the StorageManagerService "container ID" from the full code path of an 15099 * .apk. 15100 */ 15101 static String cidFromCodePath(String fullCodePath) { 15102 int eidx = fullCodePath.lastIndexOf("/"); 15103 String subStr1 = fullCodePath.substring(0, eidx); 15104 int sidx = subStr1.lastIndexOf("/"); 15105 return subStr1.substring(sidx+1, eidx); 15106 } 15107 15108 /** 15109 * Logic to handle installation of ASEC applications, including copying and 15110 * renaming logic. 15111 */ 15112 class AsecInstallArgs extends InstallArgs { 15113 static final String RES_FILE_NAME = "pkg.apk"; 15114 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 15115 15116 String cid; 15117 String packagePath; 15118 String resourcePath; 15119 15120 /** New install */ 15121 AsecInstallArgs(InstallParams params) { 15122 super(params.origin, params.move, params.observer, params.installFlags, 15123 params.installerPackageName, params.volumeUuid, 15124 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15125 params.grantedRuntimePermissions, 15126 params.traceMethod, params.traceCookie, params.certificates, 15127 params.installReason); 15128 } 15129 15130 /** Existing install */ 15131 AsecInstallArgs(String fullCodePath, String[] instructionSets, 15132 boolean isExternal, boolean isForwardLocked) { 15133 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 15134 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15135 instructionSets, null, null, null, 0, null /*certificates*/, 15136 PackageManager.INSTALL_REASON_UNKNOWN); 15137 // Hackily pretend we're still looking at a full code path 15138 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 15139 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 15140 } 15141 15142 // Extract cid from fullCodePath 15143 int eidx = fullCodePath.lastIndexOf("/"); 15144 String subStr1 = fullCodePath.substring(0, eidx); 15145 int sidx = subStr1.lastIndexOf("/"); 15146 cid = subStr1.substring(sidx+1, eidx); 15147 setMountPath(subStr1); 15148 } 15149 15150 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 15151 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 15152 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15153 instructionSets, null, null, null, 0, null /*certificates*/, 15154 PackageManager.INSTALL_REASON_UNKNOWN); 15155 this.cid = cid; 15156 setMountPath(PackageHelper.getSdDir(cid)); 15157 } 15158 15159 void createCopyFile() { 15160 cid = mInstallerService.allocateExternalStageCidLegacy(); 15161 } 15162 15163 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15164 if (origin.staged && origin.cid != null) { 15165 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 15166 cid = origin.cid; 15167 setMountPath(PackageHelper.getSdDir(cid)); 15168 return PackageManager.INSTALL_SUCCEEDED; 15169 } 15170 15171 if (temp) { 15172 createCopyFile(); 15173 } else { 15174 /* 15175 * Pre-emptively destroy the container since it's destroyed if 15176 * copying fails due to it existing anyway. 15177 */ 15178 PackageHelper.destroySdDir(cid); 15179 } 15180 15181 final String newMountPath = imcs.copyPackageToContainer( 15182 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 15183 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 15184 15185 if (newMountPath != null) { 15186 setMountPath(newMountPath); 15187 return PackageManager.INSTALL_SUCCEEDED; 15188 } else { 15189 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15190 } 15191 } 15192 15193 @Override 15194 String getCodePath() { 15195 return packagePath; 15196 } 15197 15198 @Override 15199 String getResourcePath() { 15200 return resourcePath; 15201 } 15202 15203 int doPreInstall(int status) { 15204 if (status != PackageManager.INSTALL_SUCCEEDED) { 15205 // Destroy container 15206 PackageHelper.destroySdDir(cid); 15207 } else { 15208 boolean mounted = PackageHelper.isContainerMounted(cid); 15209 if (!mounted) { 15210 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 15211 Process.SYSTEM_UID); 15212 if (newMountPath != null) { 15213 setMountPath(newMountPath); 15214 } else { 15215 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15216 } 15217 } 15218 } 15219 return status; 15220 } 15221 15222 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15223 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 15224 String newMountPath = null; 15225 if (PackageHelper.isContainerMounted(cid)) { 15226 // Unmount the container 15227 if (!PackageHelper.unMountSdDir(cid)) { 15228 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 15229 return false; 15230 } 15231 } 15232 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15233 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 15234 " which might be stale. Will try to clean up."); 15235 // Clean up the stale container and proceed to recreate. 15236 if (!PackageHelper.destroySdDir(newCacheId)) { 15237 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 15238 return false; 15239 } 15240 // Successfully cleaned up stale container. Try to rename again. 15241 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15242 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 15243 + " inspite of cleaning it up."); 15244 return false; 15245 } 15246 } 15247 if (!PackageHelper.isContainerMounted(newCacheId)) { 15248 Slog.w(TAG, "Mounting container " + newCacheId); 15249 newMountPath = PackageHelper.mountSdDir(newCacheId, 15250 getEncryptKey(), Process.SYSTEM_UID); 15251 } else { 15252 newMountPath = PackageHelper.getSdDir(newCacheId); 15253 } 15254 if (newMountPath == null) { 15255 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 15256 return false; 15257 } 15258 Log.i(TAG, "Succesfully renamed " + cid + 15259 " to " + newCacheId + 15260 " at new path: " + newMountPath); 15261 cid = newCacheId; 15262 15263 final File beforeCodeFile = new File(packagePath); 15264 setMountPath(newMountPath); 15265 final File afterCodeFile = new File(packagePath); 15266 15267 // Reflect the rename in scanned details 15268 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15269 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15270 afterCodeFile, pkg.baseCodePath)); 15271 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15272 afterCodeFile, pkg.splitCodePaths)); 15273 15274 // Reflect the rename in app info 15275 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15276 pkg.setApplicationInfoCodePath(pkg.codePath); 15277 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15278 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15279 pkg.setApplicationInfoResourcePath(pkg.codePath); 15280 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15281 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15282 15283 return true; 15284 } 15285 15286 private void setMountPath(String mountPath) { 15287 final File mountFile = new File(mountPath); 15288 15289 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 15290 if (monolithicFile.exists()) { 15291 packagePath = monolithicFile.getAbsolutePath(); 15292 if (isFwdLocked()) { 15293 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 15294 } else { 15295 resourcePath = packagePath; 15296 } 15297 } else { 15298 packagePath = mountFile.getAbsolutePath(); 15299 resourcePath = packagePath; 15300 } 15301 } 15302 15303 int doPostInstall(int status, int uid) { 15304 if (status != PackageManager.INSTALL_SUCCEEDED) { 15305 cleanUp(); 15306 } else { 15307 final int groupOwner; 15308 final String protectedFile; 15309 if (isFwdLocked()) { 15310 groupOwner = UserHandle.getSharedAppGid(uid); 15311 protectedFile = RES_FILE_NAME; 15312 } else { 15313 groupOwner = -1; 15314 protectedFile = null; 15315 } 15316 15317 if (uid < Process.FIRST_APPLICATION_UID 15318 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 15319 Slog.e(TAG, "Failed to finalize " + cid); 15320 PackageHelper.destroySdDir(cid); 15321 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15322 } 15323 15324 boolean mounted = PackageHelper.isContainerMounted(cid); 15325 if (!mounted) { 15326 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 15327 } 15328 } 15329 return status; 15330 } 15331 15332 private void cleanUp() { 15333 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 15334 15335 // Destroy secure container 15336 PackageHelper.destroySdDir(cid); 15337 } 15338 15339 private List<String> getAllCodePaths() { 15340 final File codeFile = new File(getCodePath()); 15341 if (codeFile != null && codeFile.exists()) { 15342 try { 15343 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15344 return pkg.getAllCodePaths(); 15345 } catch (PackageParserException e) { 15346 // Ignored; we tried our best 15347 } 15348 } 15349 return Collections.EMPTY_LIST; 15350 } 15351 15352 void cleanUpResourcesLI() { 15353 // Enumerate all code paths before deleting 15354 cleanUpResourcesLI(getAllCodePaths()); 15355 } 15356 15357 private void cleanUpResourcesLI(List<String> allCodePaths) { 15358 cleanUp(); 15359 removeDexFiles(allCodePaths, instructionSets); 15360 } 15361 15362 String getPackageName() { 15363 return getAsecPackageName(cid); 15364 } 15365 15366 boolean doPostDeleteLI(boolean delete) { 15367 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 15368 final List<String> allCodePaths = getAllCodePaths(); 15369 boolean mounted = PackageHelper.isContainerMounted(cid); 15370 if (mounted) { 15371 // Unmount first 15372 if (PackageHelper.unMountSdDir(cid)) { 15373 mounted = false; 15374 } 15375 } 15376 if (!mounted && delete) { 15377 cleanUpResourcesLI(allCodePaths); 15378 } 15379 return !mounted; 15380 } 15381 15382 @Override 15383 int doPreCopy() { 15384 if (isFwdLocked()) { 15385 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 15386 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 15387 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15388 } 15389 } 15390 15391 return PackageManager.INSTALL_SUCCEEDED; 15392 } 15393 15394 @Override 15395 int doPostCopy(int uid) { 15396 if (isFwdLocked()) { 15397 if (uid < Process.FIRST_APPLICATION_UID 15398 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 15399 RES_FILE_NAME)) { 15400 Slog.e(TAG, "Failed to finalize " + cid); 15401 PackageHelper.destroySdDir(cid); 15402 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15403 } 15404 } 15405 15406 return PackageManager.INSTALL_SUCCEEDED; 15407 } 15408 } 15409 15410 /** 15411 * Logic to handle movement of existing installed applications. 15412 */ 15413 class MoveInstallArgs extends InstallArgs { 15414 private File codeFile; 15415 private File resourceFile; 15416 15417 /** New install */ 15418 MoveInstallArgs(InstallParams params) { 15419 super(params.origin, params.move, params.observer, params.installFlags, 15420 params.installerPackageName, params.volumeUuid, 15421 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15422 params.grantedRuntimePermissions, 15423 params.traceMethod, params.traceCookie, params.certificates, 15424 params.installReason); 15425 } 15426 15427 int copyApk(IMediaContainerService imcs, boolean temp) { 15428 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 15429 + move.fromUuid + " to " + move.toUuid); 15430 synchronized (mInstaller) { 15431 try { 15432 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 15433 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 15434 } catch (InstallerException e) { 15435 Slog.w(TAG, "Failed to move app", e); 15436 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15437 } 15438 } 15439 15440 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 15441 resourceFile = codeFile; 15442 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 15443 15444 return PackageManager.INSTALL_SUCCEEDED; 15445 } 15446 15447 int doPreInstall(int status) { 15448 if (status != PackageManager.INSTALL_SUCCEEDED) { 15449 cleanUp(move.toUuid); 15450 } 15451 return status; 15452 } 15453 15454 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15455 if (status != PackageManager.INSTALL_SUCCEEDED) { 15456 cleanUp(move.toUuid); 15457 return false; 15458 } 15459 15460 // Reflect the move in app info 15461 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15462 pkg.setApplicationInfoCodePath(pkg.codePath); 15463 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15464 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15465 pkg.setApplicationInfoResourcePath(pkg.codePath); 15466 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15467 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15468 15469 return true; 15470 } 15471 15472 int doPostInstall(int status, int uid) { 15473 if (status == PackageManager.INSTALL_SUCCEEDED) { 15474 cleanUp(move.fromUuid); 15475 } else { 15476 cleanUp(move.toUuid); 15477 } 15478 return status; 15479 } 15480 15481 @Override 15482 String getCodePath() { 15483 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15484 } 15485 15486 @Override 15487 String getResourcePath() { 15488 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15489 } 15490 15491 private boolean cleanUp(String volumeUuid) { 15492 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 15493 move.dataAppName); 15494 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 15495 final int[] userIds = sUserManager.getUserIds(); 15496 synchronized (mInstallLock) { 15497 // Clean up both app data and code 15498 // All package moves are frozen until finished 15499 for (int userId : userIds) { 15500 try { 15501 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 15502 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 15503 } catch (InstallerException e) { 15504 Slog.w(TAG, String.valueOf(e)); 15505 } 15506 } 15507 removeCodePathLI(codeFile); 15508 } 15509 return true; 15510 } 15511 15512 void cleanUpResourcesLI() { 15513 throw new UnsupportedOperationException(); 15514 } 15515 15516 boolean doPostDeleteLI(boolean delete) { 15517 throw new UnsupportedOperationException(); 15518 } 15519 } 15520 15521 static String getAsecPackageName(String packageCid) { 15522 int idx = packageCid.lastIndexOf("-"); 15523 if (idx == -1) { 15524 return packageCid; 15525 } 15526 return packageCid.substring(0, idx); 15527 } 15528 15529 // Utility method used to create code paths based on package name and available index. 15530 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 15531 String idxStr = ""; 15532 int idx = 1; 15533 // Fall back to default value of idx=1 if prefix is not 15534 // part of oldCodePath 15535 if (oldCodePath != null) { 15536 String subStr = oldCodePath; 15537 // Drop the suffix right away 15538 if (suffix != null && subStr.endsWith(suffix)) { 15539 subStr = subStr.substring(0, subStr.length() - suffix.length()); 15540 } 15541 // If oldCodePath already contains prefix find out the 15542 // ending index to either increment or decrement. 15543 int sidx = subStr.lastIndexOf(prefix); 15544 if (sidx != -1) { 15545 subStr = subStr.substring(sidx + prefix.length()); 15546 if (subStr != null) { 15547 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 15548 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 15549 } 15550 try { 15551 idx = Integer.parseInt(subStr); 15552 if (idx <= 1) { 15553 idx++; 15554 } else { 15555 idx--; 15556 } 15557 } catch(NumberFormatException e) { 15558 } 15559 } 15560 } 15561 } 15562 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 15563 return prefix + idxStr; 15564 } 15565 15566 private File getNextCodePath(File targetDir, String packageName) { 15567 File result; 15568 SecureRandom random = new SecureRandom(); 15569 byte[] bytes = new byte[16]; 15570 do { 15571 random.nextBytes(bytes); 15572 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 15573 result = new File(targetDir, packageName + "-" + suffix); 15574 } while (result.exists()); 15575 return result; 15576 } 15577 15578 // Utility method that returns the relative package path with respect 15579 // to the installation directory. Like say for /data/data/com.test-1.apk 15580 // string com.test-1 is returned. 15581 static String deriveCodePathName(String codePath) { 15582 if (codePath == null) { 15583 return null; 15584 } 15585 final File codeFile = new File(codePath); 15586 final String name = codeFile.getName(); 15587 if (codeFile.isDirectory()) { 15588 return name; 15589 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 15590 final int lastDot = name.lastIndexOf('.'); 15591 return name.substring(0, lastDot); 15592 } else { 15593 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 15594 return null; 15595 } 15596 } 15597 15598 static class PackageInstalledInfo { 15599 String name; 15600 int uid; 15601 // The set of users that originally had this package installed. 15602 int[] origUsers; 15603 // The set of users that now have this package installed. 15604 int[] newUsers; 15605 PackageParser.Package pkg; 15606 int returnCode; 15607 String returnMsg; 15608 PackageRemovedInfo removedInfo; 15609 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 15610 15611 public void setError(int code, String msg) { 15612 setReturnCode(code); 15613 setReturnMessage(msg); 15614 Slog.w(TAG, msg); 15615 } 15616 15617 public void setError(String msg, PackageParserException e) { 15618 setReturnCode(e.error); 15619 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15620 Slog.w(TAG, msg, e); 15621 } 15622 15623 public void setError(String msg, PackageManagerException e) { 15624 returnCode = e.error; 15625 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15626 Slog.w(TAG, msg, e); 15627 } 15628 15629 public void setReturnCode(int returnCode) { 15630 this.returnCode = returnCode; 15631 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15632 for (int i = 0; i < childCount; i++) { 15633 addedChildPackages.valueAt(i).returnCode = returnCode; 15634 } 15635 } 15636 15637 private void setReturnMessage(String returnMsg) { 15638 this.returnMsg = returnMsg; 15639 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15640 for (int i = 0; i < childCount; i++) { 15641 addedChildPackages.valueAt(i).returnMsg = returnMsg; 15642 } 15643 } 15644 15645 // In some error cases we want to convey more info back to the observer 15646 String origPackage; 15647 String origPermission; 15648 } 15649 15650 /* 15651 * Install a non-existing package. 15652 */ 15653 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 15654 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 15655 PackageInstalledInfo res, int installReason) { 15656 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 15657 15658 // Remember this for later, in case we need to rollback this install 15659 String pkgName = pkg.packageName; 15660 15661 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 15662 15663 synchronized(mPackages) { 15664 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 15665 if (renamedPackage != null) { 15666 // A package with the same name is already installed, though 15667 // it has been renamed to an older name. The package we 15668 // are trying to install should be installed as an update to 15669 // the existing one, but that has not been requested, so bail. 15670 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15671 + " without first uninstalling package running as " 15672 + renamedPackage); 15673 return; 15674 } 15675 if (mPackages.containsKey(pkgName)) { 15676 // Don't allow installation over an existing package with the same name. 15677 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15678 + " without first uninstalling."); 15679 return; 15680 } 15681 } 15682 15683 try { 15684 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 15685 System.currentTimeMillis(), user); 15686 15687 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 15688 15689 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15690 prepareAppDataAfterInstallLIF(newPackage); 15691 15692 } else { 15693 // Remove package from internal structures, but keep around any 15694 // data that might have already existed 15695 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 15696 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 15697 } 15698 } catch (PackageManagerException e) { 15699 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15700 } 15701 15702 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15703 } 15704 15705 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 15706 // Can't rotate keys during boot or if sharedUser. 15707 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 15708 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 15709 return false; 15710 } 15711 // app is using upgradeKeySets; make sure all are valid 15712 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15713 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 15714 for (int i = 0; i < upgradeKeySets.length; i++) { 15715 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 15716 Slog.wtf(TAG, "Package " 15717 + (oldPs.name != null ? oldPs.name : "<null>") 15718 + " contains upgrade-key-set reference to unknown key-set: " 15719 + upgradeKeySets[i] 15720 + " reverting to signatures check."); 15721 return false; 15722 } 15723 } 15724 return true; 15725 } 15726 15727 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 15728 // Upgrade keysets are being used. Determine if new package has a superset of the 15729 // required keys. 15730 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 15731 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15732 for (int i = 0; i < upgradeKeySets.length; i++) { 15733 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 15734 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 15735 return true; 15736 } 15737 } 15738 return false; 15739 } 15740 15741 private static void updateDigest(MessageDigest digest, File file) throws IOException { 15742 try (DigestInputStream digestStream = 15743 new DigestInputStream(new FileInputStream(file), digest)) { 15744 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 15745 } 15746 } 15747 15748 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 15749 UserHandle user, String installerPackageName, PackageInstalledInfo res, 15750 int installReason) { 15751 final boolean isInstantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 15752 15753 final PackageParser.Package oldPackage; 15754 final String pkgName = pkg.packageName; 15755 final int[] allUsers; 15756 final int[] installedUsers; 15757 15758 synchronized(mPackages) { 15759 oldPackage = mPackages.get(pkgName); 15760 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 15761 15762 // don't allow upgrade to target a release SDK from a pre-release SDK 15763 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 15764 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15765 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 15766 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15767 if (oldTargetsPreRelease 15768 && !newTargetsPreRelease 15769 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 15770 Slog.w(TAG, "Can't install package targeting released sdk"); 15771 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 15772 return; 15773 } 15774 15775 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15776 15777 // verify signatures are valid 15778 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15779 if (!checkUpgradeKeySetLP(ps, pkg)) { 15780 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15781 "New package not signed by keys specified by upgrade-keysets: " 15782 + pkgName); 15783 return; 15784 } 15785 } else { 15786 // default to original signature matching 15787 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 15788 != PackageManager.SIGNATURE_MATCH) { 15789 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15790 "New package has a different signature: " + pkgName); 15791 return; 15792 } 15793 } 15794 15795 // don't allow a system upgrade unless the upgrade hash matches 15796 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 15797 byte[] digestBytes = null; 15798 try { 15799 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 15800 updateDigest(digest, new File(pkg.baseCodePath)); 15801 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 15802 for (String path : pkg.splitCodePaths) { 15803 updateDigest(digest, new File(path)); 15804 } 15805 } 15806 digestBytes = digest.digest(); 15807 } catch (NoSuchAlgorithmException | IOException e) { 15808 res.setError(INSTALL_FAILED_INVALID_APK, 15809 "Could not compute hash: " + pkgName); 15810 return; 15811 } 15812 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 15813 res.setError(INSTALL_FAILED_INVALID_APK, 15814 "New package fails restrict-update check: " + pkgName); 15815 return; 15816 } 15817 // retain upgrade restriction 15818 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 15819 } 15820 15821 // Check for shared user id changes 15822 String invalidPackageName = 15823 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 15824 if (invalidPackageName != null) { 15825 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 15826 "Package " + invalidPackageName + " tried to change user " 15827 + oldPackage.mSharedUserId); 15828 return; 15829 } 15830 15831 // In case of rollback, remember per-user/profile install state 15832 allUsers = sUserManager.getUserIds(); 15833 installedUsers = ps.queryInstalledUsers(allUsers, true); 15834 15835 // don't allow an upgrade from full to ephemeral 15836 if (isInstantApp) { 15837 if (user == null || user.getIdentifier() == UserHandle.USER_ALL) { 15838 for (int currentUser : allUsers) { 15839 if (!ps.getInstantApp(currentUser)) { 15840 // can't downgrade from full to instant 15841 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 15842 + " for user: " + currentUser); 15843 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15844 return; 15845 } 15846 } 15847 } else if (!ps.getInstantApp(user.getIdentifier())) { 15848 // can't downgrade from full to instant 15849 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 15850 + " for user: " + user.getIdentifier()); 15851 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15852 return; 15853 } 15854 } 15855 } 15856 15857 // Update what is removed 15858 res.removedInfo = new PackageRemovedInfo(); 15859 res.removedInfo.uid = oldPackage.applicationInfo.uid; 15860 res.removedInfo.removedPackage = oldPackage.packageName; 15861 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 15862 res.removedInfo.isUpdate = true; 15863 res.removedInfo.origUsers = installedUsers; 15864 final PackageSetting ps = mSettings.getPackageLPr(pkgName); 15865 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 15866 for (int i = 0; i < installedUsers.length; i++) { 15867 final int userId = installedUsers[i]; 15868 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 15869 } 15870 15871 final int childCount = (oldPackage.childPackages != null) 15872 ? oldPackage.childPackages.size() : 0; 15873 for (int i = 0; i < childCount; i++) { 15874 boolean childPackageUpdated = false; 15875 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 15876 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15877 if (res.addedChildPackages != null) { 15878 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15879 if (childRes != null) { 15880 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 15881 childRes.removedInfo.removedPackage = childPkg.packageName; 15882 childRes.removedInfo.isUpdate = true; 15883 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 15884 childPackageUpdated = true; 15885 } 15886 } 15887 if (!childPackageUpdated) { 15888 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 15889 childRemovedRes.removedPackage = childPkg.packageName; 15890 childRemovedRes.isUpdate = false; 15891 childRemovedRes.dataRemoved = true; 15892 synchronized (mPackages) { 15893 if (childPs != null) { 15894 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 15895 } 15896 } 15897 if (res.removedInfo.removedChildPackages == null) { 15898 res.removedInfo.removedChildPackages = new ArrayMap<>(); 15899 } 15900 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 15901 } 15902 } 15903 15904 boolean sysPkg = (isSystemApp(oldPackage)); 15905 if (sysPkg) { 15906 // Set the system/privileged flags as needed 15907 final boolean privileged = 15908 (oldPackage.applicationInfo.privateFlags 15909 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15910 final int systemPolicyFlags = policyFlags 15911 | PackageParser.PARSE_IS_SYSTEM 15912 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 15913 15914 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 15915 user, allUsers, installerPackageName, res, installReason); 15916 } else { 15917 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 15918 user, allUsers, installerPackageName, res, installReason); 15919 } 15920 } 15921 15922 public List<String> getPreviousCodePaths(String packageName) { 15923 final PackageSetting ps = mSettings.mPackages.get(packageName); 15924 final List<String> result = new ArrayList<String>(); 15925 if (ps != null && ps.oldCodePaths != null) { 15926 result.addAll(ps.oldCodePaths); 15927 } 15928 return result; 15929 } 15930 15931 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 15932 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 15933 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 15934 int installReason) { 15935 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 15936 + deletedPackage); 15937 15938 String pkgName = deletedPackage.packageName; 15939 boolean deletedPkg = true; 15940 boolean addedPkg = false; 15941 boolean updatedSettings = false; 15942 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 15943 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 15944 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 15945 15946 final long origUpdateTime = (pkg.mExtras != null) 15947 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 15948 15949 // First delete the existing package while retaining the data directory 15950 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15951 res.removedInfo, true, pkg)) { 15952 // If the existing package wasn't successfully deleted 15953 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 15954 deletedPkg = false; 15955 } else { 15956 // Successfully deleted the old package; proceed with replace. 15957 15958 // If deleted package lived in a container, give users a chance to 15959 // relinquish resources before killing. 15960 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 15961 if (DEBUG_INSTALL) { 15962 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 15963 } 15964 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 15965 final ArrayList<String> pkgList = new ArrayList<String>(1); 15966 pkgList.add(deletedPackage.applicationInfo.packageName); 15967 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 15968 } 15969 15970 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 15971 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 15972 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 15973 15974 try { 15975 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 15976 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 15977 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 15978 installReason); 15979 15980 // Update the in-memory copy of the previous code paths. 15981 PackageSetting ps = mSettings.mPackages.get(pkgName); 15982 if (!killApp) { 15983 if (ps.oldCodePaths == null) { 15984 ps.oldCodePaths = new ArraySet<>(); 15985 } 15986 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 15987 if (deletedPackage.splitCodePaths != null) { 15988 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 15989 } 15990 } else { 15991 ps.oldCodePaths = null; 15992 } 15993 if (ps.childPackageNames != null) { 15994 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 15995 final String childPkgName = ps.childPackageNames.get(i); 15996 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 15997 childPs.oldCodePaths = ps.oldCodePaths; 15998 } 15999 } 16000 // set instant app status, but, only if it's explicitly specified 16001 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 16002 final boolean fullApp = (scanFlags & SCAN_AS_FULL_APP) != 0; 16003 setInstantAppForUser(ps, user.getIdentifier(), instantApp, fullApp); 16004 prepareAppDataAfterInstallLIF(newPackage); 16005 addedPkg = true; 16006 mDexManager.notifyPackageUpdated(newPackage.packageName, 16007 newPackage.baseCodePath, newPackage.splitCodePaths); 16008 } catch (PackageManagerException e) { 16009 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16010 } 16011 } 16012 16013 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16014 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 16015 16016 // Revert all internal state mutations and added folders for the failed install 16017 if (addedPkg) { 16018 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16019 res.removedInfo, true, null); 16020 } 16021 16022 // Restore the old package 16023 if (deletedPkg) { 16024 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 16025 File restoreFile = new File(deletedPackage.codePath); 16026 // Parse old package 16027 boolean oldExternal = isExternal(deletedPackage); 16028 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 16029 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 16030 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 16031 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 16032 try { 16033 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 16034 null); 16035 } catch (PackageManagerException e) { 16036 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 16037 + e.getMessage()); 16038 return; 16039 } 16040 16041 synchronized (mPackages) { 16042 // Ensure the installer package name up to date 16043 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16044 16045 // Update permissions for restored package 16046 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16047 16048 mSettings.writeLPr(); 16049 } 16050 16051 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 16052 } 16053 } else { 16054 synchronized (mPackages) { 16055 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 16056 if (ps != null) { 16057 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16058 if (res.removedInfo.removedChildPackages != null) { 16059 final int childCount = res.removedInfo.removedChildPackages.size(); 16060 // Iterate in reverse as we may modify the collection 16061 for (int i = childCount - 1; i >= 0; i--) { 16062 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 16063 if (res.addedChildPackages.containsKey(childPackageName)) { 16064 res.removedInfo.removedChildPackages.removeAt(i); 16065 } else { 16066 PackageRemovedInfo childInfo = res.removedInfo 16067 .removedChildPackages.valueAt(i); 16068 childInfo.removedForAllUsers = mPackages.get( 16069 childInfo.removedPackage) == null; 16070 } 16071 } 16072 } 16073 } 16074 } 16075 } 16076 } 16077 16078 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 16079 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 16080 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16081 int installReason) { 16082 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 16083 + ", old=" + deletedPackage); 16084 16085 final boolean disabledSystem; 16086 16087 // Remove existing system package 16088 removePackageLI(deletedPackage, true); 16089 16090 synchronized (mPackages) { 16091 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 16092 } 16093 if (!disabledSystem) { 16094 // We didn't need to disable the .apk as a current system package, 16095 // which means we are replacing another update that is already 16096 // installed. We need to make sure to delete the older one's .apk. 16097 res.removedInfo.args = createInstallArgsForExisting(0, 16098 deletedPackage.applicationInfo.getCodePath(), 16099 deletedPackage.applicationInfo.getResourcePath(), 16100 getAppDexInstructionSets(deletedPackage.applicationInfo)); 16101 } else { 16102 res.removedInfo.args = null; 16103 } 16104 16105 // Successfully disabled the old package. Now proceed with re-installation 16106 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16107 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16108 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16109 16110 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16111 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 16112 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 16113 16114 PackageParser.Package newPackage = null; 16115 try { 16116 // Add the package to the internal data structures 16117 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 16118 16119 // Set the update and install times 16120 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 16121 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 16122 System.currentTimeMillis()); 16123 16124 // Update the package dynamic state if succeeded 16125 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16126 // Now that the install succeeded make sure we remove data 16127 // directories for any child package the update removed. 16128 final int deletedChildCount = (deletedPackage.childPackages != null) 16129 ? deletedPackage.childPackages.size() : 0; 16130 final int newChildCount = (newPackage.childPackages != null) 16131 ? newPackage.childPackages.size() : 0; 16132 for (int i = 0; i < deletedChildCount; i++) { 16133 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 16134 boolean childPackageDeleted = true; 16135 for (int j = 0; j < newChildCount; j++) { 16136 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 16137 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 16138 childPackageDeleted = false; 16139 break; 16140 } 16141 } 16142 if (childPackageDeleted) { 16143 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 16144 deletedChildPkg.packageName); 16145 if (ps != null && res.removedInfo.removedChildPackages != null) { 16146 PackageRemovedInfo removedChildRes = res.removedInfo 16147 .removedChildPackages.get(deletedChildPkg.packageName); 16148 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 16149 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 16150 } 16151 } 16152 } 16153 16154 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16155 installReason); 16156 prepareAppDataAfterInstallLIF(newPackage); 16157 16158 mDexManager.notifyPackageUpdated(newPackage.packageName, 16159 newPackage.baseCodePath, newPackage.splitCodePaths); 16160 } 16161 } catch (PackageManagerException e) { 16162 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 16163 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16164 } 16165 16166 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16167 // Re installation failed. Restore old information 16168 // Remove new pkg information 16169 if (newPackage != null) { 16170 removeInstalledPackageLI(newPackage, true); 16171 } 16172 // Add back the old system package 16173 try { 16174 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 16175 } catch (PackageManagerException e) { 16176 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 16177 } 16178 16179 synchronized (mPackages) { 16180 if (disabledSystem) { 16181 enableSystemPackageLPw(deletedPackage); 16182 } 16183 16184 // Ensure the installer package name up to date 16185 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16186 16187 // Update permissions for restored package 16188 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16189 16190 mSettings.writeLPr(); 16191 } 16192 16193 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 16194 + " after failed upgrade"); 16195 } 16196 } 16197 16198 /** 16199 * Checks whether the parent or any of the child packages have a change shared 16200 * user. For a package to be a valid update the shred users of the parent and 16201 * the children should match. We may later support changing child shared users. 16202 * @param oldPkg The updated package. 16203 * @param newPkg The update package. 16204 * @return The shared user that change between the versions. 16205 */ 16206 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 16207 PackageParser.Package newPkg) { 16208 // Check parent shared user 16209 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 16210 return newPkg.packageName; 16211 } 16212 // Check child shared users 16213 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16214 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 16215 for (int i = 0; i < newChildCount; i++) { 16216 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 16217 // If this child was present, did it have the same shared user? 16218 for (int j = 0; j < oldChildCount; j++) { 16219 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 16220 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 16221 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 16222 return newChildPkg.packageName; 16223 } 16224 } 16225 } 16226 return null; 16227 } 16228 16229 private void removeNativeBinariesLI(PackageSetting ps) { 16230 // Remove the lib path for the parent package 16231 if (ps != null) { 16232 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 16233 // Remove the lib path for the child packages 16234 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16235 for (int i = 0; i < childCount; i++) { 16236 PackageSetting childPs = null; 16237 synchronized (mPackages) { 16238 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16239 } 16240 if (childPs != null) { 16241 NativeLibraryHelper.removeNativeBinariesLI(childPs 16242 .legacyNativeLibraryPathString); 16243 } 16244 } 16245 } 16246 } 16247 16248 private void enableSystemPackageLPw(PackageParser.Package pkg) { 16249 // Enable the parent package 16250 mSettings.enableSystemPackageLPw(pkg.packageName); 16251 // Enable the child packages 16252 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16253 for (int i = 0; i < childCount; i++) { 16254 PackageParser.Package childPkg = pkg.childPackages.get(i); 16255 mSettings.enableSystemPackageLPw(childPkg.packageName); 16256 } 16257 } 16258 16259 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 16260 PackageParser.Package newPkg) { 16261 // Disable the parent package (parent always replaced) 16262 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 16263 // Disable the child packages 16264 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16265 for (int i = 0; i < childCount; i++) { 16266 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 16267 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 16268 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 16269 } 16270 return disabled; 16271 } 16272 16273 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 16274 String installerPackageName) { 16275 // Enable the parent package 16276 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 16277 // Enable the child packages 16278 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16279 for (int i = 0; i < childCount; i++) { 16280 PackageParser.Package childPkg = pkg.childPackages.get(i); 16281 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 16282 } 16283 } 16284 16285 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 16286 // Collect all used permissions in the UID 16287 ArraySet<String> usedPermissions = new ArraySet<>(); 16288 final int packageCount = su.packages.size(); 16289 for (int i = 0; i < packageCount; i++) { 16290 PackageSetting ps = su.packages.valueAt(i); 16291 if (ps.pkg == null) { 16292 continue; 16293 } 16294 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 16295 for (int j = 0; j < requestedPermCount; j++) { 16296 String permission = ps.pkg.requestedPermissions.get(j); 16297 BasePermission bp = mSettings.mPermissions.get(permission); 16298 if (bp != null) { 16299 usedPermissions.add(permission); 16300 } 16301 } 16302 } 16303 16304 PermissionsState permissionsState = su.getPermissionsState(); 16305 // Prune install permissions 16306 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 16307 final int installPermCount = installPermStates.size(); 16308 for (int i = installPermCount - 1; i >= 0; i--) { 16309 PermissionState permissionState = installPermStates.get(i); 16310 if (!usedPermissions.contains(permissionState.getName())) { 16311 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16312 if (bp != null) { 16313 permissionsState.revokeInstallPermission(bp); 16314 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 16315 PackageManager.MASK_PERMISSION_FLAGS, 0); 16316 } 16317 } 16318 } 16319 16320 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 16321 16322 // Prune runtime permissions 16323 for (int userId : allUserIds) { 16324 List<PermissionState> runtimePermStates = permissionsState 16325 .getRuntimePermissionStates(userId); 16326 final int runtimePermCount = runtimePermStates.size(); 16327 for (int i = runtimePermCount - 1; i >= 0; i--) { 16328 PermissionState permissionState = runtimePermStates.get(i); 16329 if (!usedPermissions.contains(permissionState.getName())) { 16330 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16331 if (bp != null) { 16332 permissionsState.revokeRuntimePermission(bp, userId); 16333 permissionsState.updatePermissionFlags(bp, userId, 16334 PackageManager.MASK_PERMISSION_FLAGS, 0); 16335 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 16336 runtimePermissionChangedUserIds, userId); 16337 } 16338 } 16339 } 16340 } 16341 16342 return runtimePermissionChangedUserIds; 16343 } 16344 16345 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 16346 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 16347 // Update the parent package setting 16348 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 16349 res, user, installReason); 16350 // Update the child packages setting 16351 final int childCount = (newPackage.childPackages != null) 16352 ? newPackage.childPackages.size() : 0; 16353 for (int i = 0; i < childCount; i++) { 16354 PackageParser.Package childPackage = newPackage.childPackages.get(i); 16355 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 16356 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 16357 childRes.origUsers, childRes, user, installReason); 16358 } 16359 } 16360 16361 private void updateSettingsInternalLI(PackageParser.Package newPackage, 16362 String installerPackageName, int[] allUsers, int[] installedForUsers, 16363 PackageInstalledInfo res, UserHandle user, int installReason) { 16364 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 16365 16366 String pkgName = newPackage.packageName; 16367 synchronized (mPackages) { 16368 //write settings. the installStatus will be incomplete at this stage. 16369 //note that the new package setting would have already been 16370 //added to mPackages. It hasn't been persisted yet. 16371 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 16372 // TODO: Remove this write? It's also written at the end of this method 16373 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16374 mSettings.writeLPr(); 16375 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16376 } 16377 16378 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 16379 synchronized (mPackages) { 16380 updatePermissionsLPw(newPackage.packageName, newPackage, 16381 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 16382 ? UPDATE_PERMISSIONS_ALL : 0)); 16383 // For system-bundled packages, we assume that installing an upgraded version 16384 // of the package implies that the user actually wants to run that new code, 16385 // so we enable the package. 16386 PackageSetting ps = mSettings.mPackages.get(pkgName); 16387 final int userId = user.getIdentifier(); 16388 if (ps != null) { 16389 if (isSystemApp(newPackage)) { 16390 if (DEBUG_INSTALL) { 16391 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 16392 } 16393 // Enable system package for requested users 16394 if (res.origUsers != null) { 16395 for (int origUserId : res.origUsers) { 16396 if (userId == UserHandle.USER_ALL || userId == origUserId) { 16397 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 16398 origUserId, installerPackageName); 16399 } 16400 } 16401 } 16402 // Also convey the prior install/uninstall state 16403 if (allUsers != null && installedForUsers != null) { 16404 for (int currentUserId : allUsers) { 16405 final boolean installed = ArrayUtils.contains( 16406 installedForUsers, currentUserId); 16407 if (DEBUG_INSTALL) { 16408 Slog.d(TAG, " user " + currentUserId + " => " + installed); 16409 } 16410 ps.setInstalled(installed, currentUserId); 16411 } 16412 // these install state changes will be persisted in the 16413 // upcoming call to mSettings.writeLPr(). 16414 } 16415 } 16416 // It's implied that when a user requests installation, they want the app to be 16417 // installed and enabled. 16418 if (userId != UserHandle.USER_ALL) { 16419 ps.setInstalled(true, userId); 16420 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 16421 } 16422 16423 // When replacing an existing package, preserve the original install reason for all 16424 // users that had the package installed before. 16425 final Set<Integer> previousUserIds = new ArraySet<>(); 16426 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 16427 final int installReasonCount = res.removedInfo.installReasons.size(); 16428 for (int i = 0; i < installReasonCount; i++) { 16429 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 16430 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 16431 ps.setInstallReason(previousInstallReason, previousUserId); 16432 previousUserIds.add(previousUserId); 16433 } 16434 } 16435 16436 // Set install reason for users that are having the package newly installed. 16437 if (userId == UserHandle.USER_ALL) { 16438 for (int currentUserId : sUserManager.getUserIds()) { 16439 if (!previousUserIds.contains(currentUserId)) { 16440 ps.setInstallReason(installReason, currentUserId); 16441 } 16442 } 16443 } else if (!previousUserIds.contains(userId)) { 16444 ps.setInstallReason(installReason, userId); 16445 } 16446 mSettings.writeKernelMappingLPr(ps); 16447 } 16448 res.name = pkgName; 16449 res.uid = newPackage.applicationInfo.uid; 16450 res.pkg = newPackage; 16451 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 16452 mSettings.setInstallerPackageName(pkgName, installerPackageName); 16453 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16454 //to update install status 16455 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16456 mSettings.writeLPr(); 16457 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16458 } 16459 16460 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16461 } 16462 16463 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 16464 try { 16465 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 16466 installPackageLI(args, res); 16467 } finally { 16468 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16469 } 16470 } 16471 16472 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 16473 final int installFlags = args.installFlags; 16474 final String installerPackageName = args.installerPackageName; 16475 final String volumeUuid = args.volumeUuid; 16476 final File tmpPackageFile = new File(args.getCodePath()); 16477 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 16478 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 16479 || (args.volumeUuid != null)); 16480 final boolean instantApp = ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0); 16481 final boolean fullApp = ((installFlags & PackageManager.INSTALL_FULL_APP) != 0); 16482 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 16483 boolean replace = false; 16484 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 16485 if (args.move != null) { 16486 // moving a complete application; perform an initial scan on the new install location 16487 scanFlags |= SCAN_INITIAL; 16488 } 16489 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 16490 scanFlags |= SCAN_DONT_KILL_APP; 16491 } 16492 if (instantApp) { 16493 scanFlags |= SCAN_AS_INSTANT_APP; 16494 } 16495 if (fullApp) { 16496 scanFlags |= SCAN_AS_FULL_APP; 16497 } 16498 16499 // Result object to be returned 16500 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16501 16502 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 16503 16504 // Sanity check 16505 if (instantApp && (forwardLocked || onExternal)) { 16506 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 16507 + " external=" + onExternal); 16508 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16509 return; 16510 } 16511 16512 // Retrieve PackageSettings and parse package 16513 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 16514 | PackageParser.PARSE_ENFORCE_CODE 16515 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 16516 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 16517 | (instantApp ? PackageParser.PARSE_IS_EPHEMERAL : 0) 16518 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 16519 PackageParser pp = new PackageParser(); 16520 pp.setSeparateProcesses(mSeparateProcesses); 16521 pp.setDisplayMetrics(mMetrics); 16522 pp.setCallback(mPackageParserCallback); 16523 16524 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 16525 final PackageParser.Package pkg; 16526 try { 16527 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 16528 } catch (PackageParserException e) { 16529 res.setError("Failed parse during installPackageLI", e); 16530 return; 16531 } finally { 16532 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16533 } 16534 16535 // Instant apps must have target SDK >= O and have targetSanboxVersion >= 2 16536 if (instantApp && pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.N_MR1) { 16537 Slog.w(TAG, "Instant app package " + pkg.packageName 16538 + " does not target O, this will be a fatal error."); 16539 // STOPSHIP: Make this a fatal error 16540 pkg.applicationInfo.targetSdkVersion = Build.VERSION_CODES.O; 16541 } 16542 if (instantApp && pkg.applicationInfo.targetSandboxVersion != 2) { 16543 Slog.w(TAG, "Instant app package " + pkg.packageName 16544 + " does not target targetSandboxVersion 2, this will be a fatal error."); 16545 // STOPSHIP: Make this a fatal error 16546 pkg.applicationInfo.targetSandboxVersion = 2; 16547 } 16548 16549 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16550 // Static shared libraries have synthetic package names 16551 renameStaticSharedLibraryPackage(pkg); 16552 16553 // No static shared libs on external storage 16554 if (onExternal) { 16555 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 16556 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16557 "Packages declaring static-shared libs cannot be updated"); 16558 return; 16559 } 16560 } 16561 16562 // If we are installing a clustered package add results for the children 16563 if (pkg.childPackages != null) { 16564 synchronized (mPackages) { 16565 final int childCount = pkg.childPackages.size(); 16566 for (int i = 0; i < childCount; i++) { 16567 PackageParser.Package childPkg = pkg.childPackages.get(i); 16568 PackageInstalledInfo childRes = new PackageInstalledInfo(); 16569 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16570 childRes.pkg = childPkg; 16571 childRes.name = childPkg.packageName; 16572 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16573 if (childPs != null) { 16574 childRes.origUsers = childPs.queryInstalledUsers( 16575 sUserManager.getUserIds(), true); 16576 } 16577 if ((mPackages.containsKey(childPkg.packageName))) { 16578 childRes.removedInfo = new PackageRemovedInfo(); 16579 childRes.removedInfo.removedPackage = childPkg.packageName; 16580 } 16581 if (res.addedChildPackages == null) { 16582 res.addedChildPackages = new ArrayMap<>(); 16583 } 16584 res.addedChildPackages.put(childPkg.packageName, childRes); 16585 } 16586 } 16587 } 16588 16589 // If package doesn't declare API override, mark that we have an install 16590 // time CPU ABI override. 16591 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 16592 pkg.cpuAbiOverride = args.abiOverride; 16593 } 16594 16595 String pkgName = res.name = pkg.packageName; 16596 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 16597 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 16598 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 16599 return; 16600 } 16601 } 16602 16603 try { 16604 // either use what we've been given or parse directly from the APK 16605 if (args.certificates != null) { 16606 try { 16607 PackageParser.populateCertificates(pkg, args.certificates); 16608 } catch (PackageParserException e) { 16609 // there was something wrong with the certificates we were given; 16610 // try to pull them from the APK 16611 PackageParser.collectCertificates(pkg, parseFlags); 16612 } 16613 } else { 16614 PackageParser.collectCertificates(pkg, parseFlags); 16615 } 16616 } catch (PackageParserException e) { 16617 res.setError("Failed collect during installPackageLI", e); 16618 return; 16619 } 16620 16621 // Get rid of all references to package scan path via parser. 16622 pp = null; 16623 String oldCodePath = null; 16624 boolean systemApp = false; 16625 synchronized (mPackages) { 16626 // Check if installing already existing package 16627 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 16628 String oldName = mSettings.getRenamedPackageLPr(pkgName); 16629 if (pkg.mOriginalPackages != null 16630 && pkg.mOriginalPackages.contains(oldName) 16631 && mPackages.containsKey(oldName)) { 16632 // This package is derived from an original package, 16633 // and this device has been updating from that original 16634 // name. We must continue using the original name, so 16635 // rename the new package here. 16636 pkg.setPackageName(oldName); 16637 pkgName = pkg.packageName; 16638 replace = true; 16639 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 16640 + oldName + " pkgName=" + pkgName); 16641 } else if (mPackages.containsKey(pkgName)) { 16642 // This package, under its official name, already exists 16643 // on the device; we should replace it. 16644 replace = true; 16645 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 16646 } 16647 16648 // Child packages are installed through the parent package 16649 if (pkg.parentPackage != null) { 16650 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16651 "Package " + pkg.packageName + " is child of package " 16652 + pkg.parentPackage.parentPackage + ". Child packages " 16653 + "can be updated only through the parent package."); 16654 return; 16655 } 16656 16657 if (replace) { 16658 // Prevent apps opting out from runtime permissions 16659 PackageParser.Package oldPackage = mPackages.get(pkgName); 16660 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 16661 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 16662 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 16663 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 16664 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 16665 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 16666 + " doesn't support runtime permissions but the old" 16667 + " target SDK " + oldTargetSdk + " does."); 16668 return; 16669 } 16670 16671 // Prevent installing of child packages 16672 if (oldPackage.parentPackage != null) { 16673 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16674 "Package " + pkg.packageName + " is child of package " 16675 + oldPackage.parentPackage + ". Child packages " 16676 + "can be updated only through the parent package."); 16677 return; 16678 } 16679 } 16680 } 16681 16682 PackageSetting ps = mSettings.mPackages.get(pkgName); 16683 if (ps != null) { 16684 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 16685 16686 // Static shared libs have same package with different versions where 16687 // we internally use a synthetic package name to allow multiple versions 16688 // of the same package, therefore we need to compare signatures against 16689 // the package setting for the latest library version. 16690 PackageSetting signatureCheckPs = ps; 16691 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16692 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 16693 if (libraryEntry != null) { 16694 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 16695 } 16696 } 16697 16698 // Quick sanity check that we're signed correctly if updating; 16699 // we'll check this again later when scanning, but we want to 16700 // bail early here before tripping over redefined permissions. 16701 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 16702 if (!checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 16703 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 16704 + pkg.packageName + " upgrade keys do not match the " 16705 + "previously installed version"); 16706 return; 16707 } 16708 } else { 16709 try { 16710 verifySignaturesLP(signatureCheckPs, pkg); 16711 } catch (PackageManagerException e) { 16712 res.setError(e.error, e.getMessage()); 16713 return; 16714 } 16715 } 16716 16717 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 16718 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 16719 systemApp = (ps.pkg.applicationInfo.flags & 16720 ApplicationInfo.FLAG_SYSTEM) != 0; 16721 } 16722 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16723 } 16724 16725 int N = pkg.permissions.size(); 16726 for (int i = N-1; i >= 0; i--) { 16727 PackageParser.Permission perm = pkg.permissions.get(i); 16728 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 16729 16730 // Don't allow anyone but the platform to define ephemeral permissions. 16731 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_FLAG_EPHEMERAL) != 0 16732 && !PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16733 Slog.w(TAG, "Package " + pkg.packageName 16734 + " attempting to delcare ephemeral permission " 16735 + perm.info.name + "; Removing ephemeral."); 16736 perm.info.protectionLevel &= ~PermissionInfo.PROTECTION_FLAG_EPHEMERAL; 16737 } 16738 // Check whether the newly-scanned package wants to define an already-defined perm 16739 if (bp != null) { 16740 // If the defining package is signed with our cert, it's okay. This 16741 // also includes the "updating the same package" case, of course. 16742 // "updating same package" could also involve key-rotation. 16743 final boolean sigsOk; 16744 if (bp.sourcePackage.equals(pkg.packageName) 16745 && (bp.packageSetting instanceof PackageSetting) 16746 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 16747 scanFlags))) { 16748 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 16749 } else { 16750 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 16751 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 16752 } 16753 if (!sigsOk) { 16754 // If the owning package is the system itself, we log but allow 16755 // install to proceed; we fail the install on all other permission 16756 // redefinitions. 16757 if (!bp.sourcePackage.equals("android")) { 16758 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 16759 + pkg.packageName + " attempting to redeclare permission " 16760 + perm.info.name + " already owned by " + bp.sourcePackage); 16761 res.origPermission = perm.info.name; 16762 res.origPackage = bp.sourcePackage; 16763 return; 16764 } else { 16765 Slog.w(TAG, "Package " + pkg.packageName 16766 + " attempting to redeclare system permission " 16767 + perm.info.name + "; ignoring new declaration"); 16768 pkg.permissions.remove(i); 16769 } 16770 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16771 // Prevent apps to change protection level to dangerous from any other 16772 // type as this would allow a privilege escalation where an app adds a 16773 // normal/signature permission in other app's group and later redefines 16774 // it as dangerous leading to the group auto-grant. 16775 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 16776 == PermissionInfo.PROTECTION_DANGEROUS) { 16777 if (bp != null && !bp.isRuntime()) { 16778 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 16779 + "non-runtime permission " + perm.info.name 16780 + " to runtime; keeping old protection level"); 16781 perm.info.protectionLevel = bp.protectionLevel; 16782 } 16783 } 16784 } 16785 } 16786 } 16787 } 16788 16789 if (systemApp) { 16790 if (onExternal) { 16791 // Abort update; system app can't be replaced with app on sdcard 16792 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16793 "Cannot install updates to system apps on sdcard"); 16794 return; 16795 } else if (instantApp) { 16796 // Abort update; system app can't be replaced with an instant app 16797 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16798 "Cannot update a system app with an instant app"); 16799 return; 16800 } 16801 } 16802 16803 if (args.move != null) { 16804 // We did an in-place move, so dex is ready to roll 16805 scanFlags |= SCAN_NO_DEX; 16806 scanFlags |= SCAN_MOVE; 16807 16808 synchronized (mPackages) { 16809 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16810 if (ps == null) { 16811 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 16812 "Missing settings for moved package " + pkgName); 16813 } 16814 16815 // We moved the entire application as-is, so bring over the 16816 // previously derived ABI information. 16817 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 16818 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 16819 } 16820 16821 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 16822 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 16823 scanFlags |= SCAN_NO_DEX; 16824 16825 try { 16826 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 16827 args.abiOverride : pkg.cpuAbiOverride); 16828 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 16829 true /*extractLibs*/, mAppLib32InstallDir); 16830 } catch (PackageManagerException pme) { 16831 Slog.e(TAG, "Error deriving application ABI", pme); 16832 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 16833 return; 16834 } 16835 16836 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 16837 // Do not run PackageDexOptimizer through the local performDexOpt 16838 // method because `pkg` may not be in `mPackages` yet. 16839 // 16840 // Also, don't fail application installs if the dexopt step fails. 16841 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 16842 null /* instructionSets */, false /* checkProfiles */, 16843 getCompilerFilterForReason(REASON_INSTALL), 16844 getOrCreateCompilerPackageStats(pkg), 16845 mDexManager.isUsedByOtherApps(pkg.packageName)); 16846 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16847 16848 // Notify BackgroundDexOptJobService that the package has been changed. 16849 // If this is an update of a package which used to fail to compile, 16850 // BDOS will remove it from its blacklist. 16851 // TODO: Layering violation 16852 BackgroundDexOptJobService.notifyPackageChanged(pkg.packageName); 16853 } 16854 16855 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 16856 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 16857 return; 16858 } 16859 16860 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 16861 16862 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 16863 "installPackageLI")) { 16864 if (replace) { 16865 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16866 // Static libs have a synthetic package name containing the version 16867 // and cannot be updated as an update would get a new package name, 16868 // unless this is the exact same version code which is useful for 16869 // development. 16870 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 16871 if (existingPkg != null && existingPkg.mVersionCode != pkg.mVersionCode) { 16872 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 16873 + "static-shared libs cannot be updated"); 16874 return; 16875 } 16876 } 16877 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 16878 installerPackageName, res, args.installReason); 16879 } else { 16880 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 16881 args.user, installerPackageName, volumeUuid, res, args.installReason); 16882 } 16883 } 16884 synchronized (mPackages) { 16885 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16886 if (ps != null) { 16887 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16888 } 16889 16890 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16891 for (int i = 0; i < childCount; i++) { 16892 PackageParser.Package childPkg = pkg.childPackages.get(i); 16893 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16894 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16895 if (childPs != null) { 16896 childRes.newUsers = childPs.queryInstalledUsers( 16897 sUserManager.getUserIds(), true); 16898 } 16899 } 16900 16901 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16902 updateSequenceNumberLP(pkgName, res.newUsers); 16903 } 16904 } 16905 } 16906 16907 private void startIntentFilterVerifications(int userId, boolean replacing, 16908 PackageParser.Package pkg) { 16909 if (mIntentFilterVerifierComponent == null) { 16910 Slog.w(TAG, "No IntentFilter verification will not be done as " 16911 + "there is no IntentFilterVerifier available!"); 16912 return; 16913 } 16914 16915 final int verifierUid = getPackageUid( 16916 mIntentFilterVerifierComponent.getPackageName(), 16917 MATCH_DEBUG_TRIAGED_MISSING, 16918 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 16919 16920 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16921 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 16922 mHandler.sendMessage(msg); 16923 16924 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16925 for (int i = 0; i < childCount; i++) { 16926 PackageParser.Package childPkg = pkg.childPackages.get(i); 16927 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16928 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 16929 mHandler.sendMessage(msg); 16930 } 16931 } 16932 16933 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 16934 PackageParser.Package pkg) { 16935 int size = pkg.activities.size(); 16936 if (size == 0) { 16937 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16938 "No activity, so no need to verify any IntentFilter!"); 16939 return; 16940 } 16941 16942 final boolean hasDomainURLs = hasDomainURLs(pkg); 16943 if (!hasDomainURLs) { 16944 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16945 "No domain URLs, so no need to verify any IntentFilter!"); 16946 return; 16947 } 16948 16949 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 16950 + " if any IntentFilter from the " + size 16951 + " Activities needs verification ..."); 16952 16953 int count = 0; 16954 final String packageName = pkg.packageName; 16955 16956 synchronized (mPackages) { 16957 // If this is a new install and we see that we've already run verification for this 16958 // package, we have nothing to do: it means the state was restored from backup. 16959 if (!replacing) { 16960 IntentFilterVerificationInfo ivi = 16961 mSettings.getIntentFilterVerificationLPr(packageName); 16962 if (ivi != null) { 16963 if (DEBUG_DOMAIN_VERIFICATION) { 16964 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 16965 + ivi.getStatusString()); 16966 } 16967 return; 16968 } 16969 } 16970 16971 // If any filters need to be verified, then all need to be. 16972 boolean needToVerify = false; 16973 for (PackageParser.Activity a : pkg.activities) { 16974 for (ActivityIntentInfo filter : a.intents) { 16975 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 16976 if (DEBUG_DOMAIN_VERIFICATION) { 16977 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 16978 } 16979 needToVerify = true; 16980 break; 16981 } 16982 } 16983 } 16984 16985 if (needToVerify) { 16986 final int verificationId = mIntentFilterVerificationToken++; 16987 for (PackageParser.Activity a : pkg.activities) { 16988 for (ActivityIntentInfo filter : a.intents) { 16989 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 16990 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16991 "Verification needed for IntentFilter:" + filter.toString()); 16992 mIntentFilterVerifier.addOneIntentFilterVerification( 16993 verifierUid, userId, verificationId, filter, packageName); 16994 count++; 16995 } 16996 } 16997 } 16998 } 16999 } 17000 17001 if (count > 0) { 17002 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 17003 + " IntentFilter verification" + (count > 1 ? "s" : "") 17004 + " for userId:" + userId); 17005 mIntentFilterVerifier.startVerifications(userId); 17006 } else { 17007 if (DEBUG_DOMAIN_VERIFICATION) { 17008 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 17009 } 17010 } 17011 } 17012 17013 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 17014 final ComponentName cn = filter.activity.getComponentName(); 17015 final String packageName = cn.getPackageName(); 17016 17017 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 17018 packageName); 17019 if (ivi == null) { 17020 return true; 17021 } 17022 int status = ivi.getStatus(); 17023 switch (status) { 17024 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 17025 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 17026 return true; 17027 17028 default: 17029 // Nothing to do 17030 return false; 17031 } 17032 } 17033 17034 private static boolean isMultiArch(ApplicationInfo info) { 17035 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 17036 } 17037 17038 private static boolean isExternal(PackageParser.Package pkg) { 17039 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17040 } 17041 17042 private static boolean isExternal(PackageSetting ps) { 17043 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17044 } 17045 17046 private static boolean isSystemApp(PackageParser.Package pkg) { 17047 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 17048 } 17049 17050 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 17051 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 17052 } 17053 17054 private static boolean hasDomainURLs(PackageParser.Package pkg) { 17055 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 17056 } 17057 17058 private static boolean isSystemApp(PackageSetting ps) { 17059 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 17060 } 17061 17062 private static boolean isUpdatedSystemApp(PackageSetting ps) { 17063 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 17064 } 17065 17066 private int packageFlagsToInstallFlags(PackageSetting ps) { 17067 int installFlags = 0; 17068 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 17069 // This existing package was an external ASEC install when we have 17070 // the external flag without a UUID 17071 installFlags |= PackageManager.INSTALL_EXTERNAL; 17072 } 17073 if (ps.isForwardLocked()) { 17074 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 17075 } 17076 return installFlags; 17077 } 17078 17079 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 17080 if (isExternal(pkg)) { 17081 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17082 return StorageManager.UUID_PRIMARY_PHYSICAL; 17083 } else { 17084 return pkg.volumeUuid; 17085 } 17086 } else { 17087 return StorageManager.UUID_PRIVATE_INTERNAL; 17088 } 17089 } 17090 17091 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 17092 if (isExternal(pkg)) { 17093 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17094 return mSettings.getExternalVersion(); 17095 } else { 17096 return mSettings.findOrCreateVersion(pkg.volumeUuid); 17097 } 17098 } else { 17099 return mSettings.getInternalVersion(); 17100 } 17101 } 17102 17103 private void deleteTempPackageFiles() { 17104 final FilenameFilter filter = new FilenameFilter() { 17105 public boolean accept(File dir, String name) { 17106 return name.startsWith("vmdl") && name.endsWith(".tmp"); 17107 } 17108 }; 17109 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 17110 file.delete(); 17111 } 17112 } 17113 17114 @Override 17115 public void deletePackageAsUser(String packageName, int versionCode, 17116 IPackageDeleteObserver observer, int userId, int flags) { 17117 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 17118 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 17119 } 17120 17121 @Override 17122 public void deletePackageVersioned(VersionedPackage versionedPackage, 17123 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 17124 mContext.enforceCallingOrSelfPermission( 17125 android.Manifest.permission.DELETE_PACKAGES, null); 17126 Preconditions.checkNotNull(versionedPackage); 17127 Preconditions.checkNotNull(observer); 17128 Preconditions.checkArgumentInRange(versionedPackage.getVersionCode(), 17129 PackageManager.VERSION_CODE_HIGHEST, 17130 Integer.MAX_VALUE, "versionCode must be >= -1"); 17131 17132 final String packageName = versionedPackage.getPackageName(); 17133 // TODO: We will change version code to long, so in the new API it is long 17134 final int versionCode = (int) versionedPackage.getVersionCode(); 17135 final String internalPackageName; 17136 synchronized (mPackages) { 17137 // Normalize package name to handle renamed packages and static libs 17138 internalPackageName = resolveInternalPackageNameLPr(versionedPackage.getPackageName(), 17139 // TODO: We will change version code to long, so in the new API it is long 17140 (int) versionedPackage.getVersionCode()); 17141 } 17142 17143 final int uid = Binder.getCallingUid(); 17144 if (!isOrphaned(internalPackageName) 17145 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 17146 try { 17147 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 17148 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 17149 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 17150 observer.onUserActionRequired(intent); 17151 } catch (RemoteException re) { 17152 } 17153 return; 17154 } 17155 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 17156 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 17157 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 17158 mContext.enforceCallingOrSelfPermission( 17159 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 17160 "deletePackage for user " + userId); 17161 } 17162 17163 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 17164 try { 17165 observer.onPackageDeleted(packageName, 17166 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 17167 } catch (RemoteException re) { 17168 } 17169 return; 17170 } 17171 17172 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 17173 try { 17174 observer.onPackageDeleted(packageName, 17175 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 17176 } catch (RemoteException re) { 17177 } 17178 return; 17179 } 17180 17181 if (DEBUG_REMOVE) { 17182 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 17183 + " deleteAllUsers: " + deleteAllUsers + " version=" 17184 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 17185 ? "VERSION_CODE_HIGHEST" : versionCode)); 17186 } 17187 // Queue up an async operation since the package deletion may take a little while. 17188 mHandler.post(new Runnable() { 17189 public void run() { 17190 mHandler.removeCallbacks(this); 17191 int returnCode; 17192 if (!deleteAllUsers) { 17193 returnCode = deletePackageX(internalPackageName, versionCode, 17194 userId, deleteFlags); 17195 } else { 17196 int[] blockUninstallUserIds = getBlockUninstallForUsers( 17197 internalPackageName, users); 17198 // If nobody is blocking uninstall, proceed with delete for all users 17199 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 17200 returnCode = deletePackageX(internalPackageName, versionCode, 17201 userId, deleteFlags); 17202 } else { 17203 // Otherwise uninstall individually for users with blockUninstalls=false 17204 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 17205 for (int userId : users) { 17206 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 17207 returnCode = deletePackageX(internalPackageName, versionCode, 17208 userId, userFlags); 17209 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 17210 Slog.w(TAG, "Package delete failed for user " + userId 17211 + ", returnCode " + returnCode); 17212 } 17213 } 17214 } 17215 // The app has only been marked uninstalled for certain users. 17216 // We still need to report that delete was blocked 17217 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 17218 } 17219 } 17220 try { 17221 observer.onPackageDeleted(packageName, returnCode, null); 17222 } catch (RemoteException e) { 17223 Log.i(TAG, "Observer no longer exists."); 17224 } //end catch 17225 } //end run 17226 }); 17227 } 17228 17229 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 17230 if (pkg.staticSharedLibName != null) { 17231 return pkg.manifestPackageName; 17232 } 17233 return pkg.packageName; 17234 } 17235 17236 private String resolveInternalPackageNameLPr(String packageName, int versionCode) { 17237 // Handle renamed packages 17238 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 17239 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 17240 17241 // Is this a static library? 17242 SparseArray<SharedLibraryEntry> versionedLib = 17243 mStaticLibsByDeclaringPackage.get(packageName); 17244 if (versionedLib == null || versionedLib.size() <= 0) { 17245 return packageName; 17246 } 17247 17248 // Figure out which lib versions the caller can see 17249 SparseIntArray versionsCallerCanSee = null; 17250 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 17251 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 17252 && callingAppId != Process.ROOT_UID) { 17253 versionsCallerCanSee = new SparseIntArray(); 17254 String libName = versionedLib.valueAt(0).info.getName(); 17255 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 17256 if (uidPackages != null) { 17257 for (String uidPackage : uidPackages) { 17258 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 17259 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 17260 if (libIdx >= 0) { 17261 final int libVersion = ps.usesStaticLibrariesVersions[libIdx]; 17262 versionsCallerCanSee.append(libVersion, libVersion); 17263 } 17264 } 17265 } 17266 } 17267 17268 // Caller can see nothing - done 17269 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 17270 return packageName; 17271 } 17272 17273 // Find the version the caller can see and the app version code 17274 SharedLibraryEntry highestVersion = null; 17275 final int versionCount = versionedLib.size(); 17276 for (int i = 0; i < versionCount; i++) { 17277 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 17278 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 17279 libEntry.info.getVersion()) < 0) { 17280 continue; 17281 } 17282 // TODO: We will change version code to long, so in the new API it is long 17283 final int libVersionCode = (int) libEntry.info.getDeclaringPackage().getVersionCode(); 17284 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 17285 if (libVersionCode == versionCode) { 17286 return libEntry.apk; 17287 } 17288 } else if (highestVersion == null) { 17289 highestVersion = libEntry; 17290 } else if (libVersionCode > highestVersion.info 17291 .getDeclaringPackage().getVersionCode()) { 17292 highestVersion = libEntry; 17293 } 17294 } 17295 17296 if (highestVersion != null) { 17297 return highestVersion.apk; 17298 } 17299 17300 return packageName; 17301 } 17302 17303 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 17304 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 17305 || callingUid == Process.SYSTEM_UID) { 17306 return true; 17307 } 17308 final int callingUserId = UserHandle.getUserId(callingUid); 17309 // If the caller installed the pkgName, then allow it to silently uninstall. 17310 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 17311 return true; 17312 } 17313 17314 // Allow package verifier to silently uninstall. 17315 if (mRequiredVerifierPackage != null && 17316 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 17317 return true; 17318 } 17319 17320 // Allow package uninstaller to silently uninstall. 17321 if (mRequiredUninstallerPackage != null && 17322 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 17323 return true; 17324 } 17325 17326 // Allow storage manager to silently uninstall. 17327 if (mStorageManagerPackage != null && 17328 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 17329 return true; 17330 } 17331 return false; 17332 } 17333 17334 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 17335 int[] result = EMPTY_INT_ARRAY; 17336 for (int userId : userIds) { 17337 if (getBlockUninstallForUser(packageName, userId)) { 17338 result = ArrayUtils.appendInt(result, userId); 17339 } 17340 } 17341 return result; 17342 } 17343 17344 @Override 17345 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 17346 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 17347 } 17348 17349 private boolean isPackageDeviceAdmin(String packageName, int userId) { 17350 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 17351 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 17352 try { 17353 if (dpm != null) { 17354 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 17355 /* callingUserOnly =*/ false); 17356 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 17357 : deviceOwnerComponentName.getPackageName(); 17358 // Does the package contains the device owner? 17359 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 17360 // this check is probably not needed, since DO should be registered as a device 17361 // admin on some user too. (Original bug for this: b/17657954) 17362 if (packageName.equals(deviceOwnerPackageName)) { 17363 return true; 17364 } 17365 // Does it contain a device admin for any user? 17366 int[] users; 17367 if (userId == UserHandle.USER_ALL) { 17368 users = sUserManager.getUserIds(); 17369 } else { 17370 users = new int[]{userId}; 17371 } 17372 for (int i = 0; i < users.length; ++i) { 17373 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 17374 return true; 17375 } 17376 } 17377 } 17378 } catch (RemoteException e) { 17379 } 17380 return false; 17381 } 17382 17383 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 17384 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 17385 } 17386 17387 /** 17388 * This method is an internal method that could be get invoked either 17389 * to delete an installed package or to clean up a failed installation. 17390 * After deleting an installed package, a broadcast is sent to notify any 17391 * listeners that the package has been removed. For cleaning up a failed 17392 * installation, the broadcast is not necessary since the package's 17393 * installation wouldn't have sent the initial broadcast either 17394 * The key steps in deleting a package are 17395 * deleting the package information in internal structures like mPackages, 17396 * deleting the packages base directories through installd 17397 * updating mSettings to reflect current status 17398 * persisting settings for later use 17399 * sending a broadcast if necessary 17400 */ 17401 private int deletePackageX(String packageName, int versionCode, int userId, int deleteFlags) { 17402 final PackageRemovedInfo info = new PackageRemovedInfo(); 17403 final boolean res; 17404 17405 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 17406 ? UserHandle.USER_ALL : userId; 17407 17408 if (isPackageDeviceAdmin(packageName, removeUser)) { 17409 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 17410 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 17411 } 17412 17413 PackageSetting uninstalledPs = null; 17414 PackageParser.Package pkg = null; 17415 17416 // for the uninstall-updates case and restricted profiles, remember the per- 17417 // user handle installed state 17418 int[] allUsers; 17419 synchronized (mPackages) { 17420 uninstalledPs = mSettings.mPackages.get(packageName); 17421 if (uninstalledPs == null) { 17422 Slog.w(TAG, "Not removing non-existent package " + packageName); 17423 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17424 } 17425 17426 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 17427 && uninstalledPs.versionCode != versionCode) { 17428 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 17429 + uninstalledPs.versionCode + " != " + versionCode); 17430 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17431 } 17432 17433 // Static shared libs can be declared by any package, so let us not 17434 // allow removing a package if it provides a lib others depend on. 17435 pkg = mPackages.get(packageName); 17436 if (pkg != null && pkg.staticSharedLibName != null) { 17437 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 17438 pkg.staticSharedLibVersion); 17439 if (libEntry != null) { 17440 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 17441 libEntry.info, 0, userId); 17442 if (!ArrayUtils.isEmpty(libClientPackages)) { 17443 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 17444 + " hosting lib " + libEntry.info.getName() + " version " 17445 + libEntry.info.getVersion() + " used by " + libClientPackages); 17446 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 17447 } 17448 } 17449 } 17450 17451 allUsers = sUserManager.getUserIds(); 17452 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 17453 } 17454 17455 final int freezeUser; 17456 if (isUpdatedSystemApp(uninstalledPs) 17457 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 17458 // We're downgrading a system app, which will apply to all users, so 17459 // freeze them all during the downgrade 17460 freezeUser = UserHandle.USER_ALL; 17461 } else { 17462 freezeUser = removeUser; 17463 } 17464 17465 synchronized (mInstallLock) { 17466 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 17467 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 17468 deleteFlags, "deletePackageX")) { 17469 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 17470 deleteFlags | FLAGS_REMOVE_CHATTY, info, true, null); 17471 } 17472 synchronized (mPackages) { 17473 if (res) { 17474 if (pkg != null) { 17475 mInstantAppRegistry.onPackageUninstalledLPw(pkg, info.removedUsers); 17476 } 17477 updateSequenceNumberLP(packageName, info.removedUsers); 17478 } 17479 } 17480 } 17481 17482 if (res) { 17483 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 17484 info.sendPackageRemovedBroadcasts(killApp); 17485 info.sendSystemPackageUpdatedBroadcasts(); 17486 info.sendSystemPackageAppearedBroadcasts(); 17487 } 17488 // Force a gc here. 17489 Runtime.getRuntime().gc(); 17490 // Delete the resources here after sending the broadcast to let 17491 // other processes clean up before deleting resources. 17492 if (info.args != null) { 17493 synchronized (mInstallLock) { 17494 info.args.doPostDeleteLI(true); 17495 } 17496 } 17497 17498 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17499 } 17500 17501 class PackageRemovedInfo { 17502 String removedPackage; 17503 int uid = -1; 17504 int removedAppId = -1; 17505 int[] origUsers; 17506 int[] removedUsers = null; 17507 SparseArray<Integer> installReasons; 17508 boolean isRemovedPackageSystemUpdate = false; 17509 boolean isUpdate; 17510 boolean dataRemoved; 17511 boolean removedForAllUsers; 17512 boolean isStaticSharedLib; 17513 // Clean up resources deleted packages. 17514 InstallArgs args = null; 17515 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 17516 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 17517 17518 void sendPackageRemovedBroadcasts(boolean killApp) { 17519 sendPackageRemovedBroadcastInternal(killApp); 17520 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 17521 for (int i = 0; i < childCount; i++) { 17522 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17523 childInfo.sendPackageRemovedBroadcastInternal(killApp); 17524 } 17525 } 17526 17527 void sendSystemPackageUpdatedBroadcasts() { 17528 if (isRemovedPackageSystemUpdate) { 17529 sendSystemPackageUpdatedBroadcastsInternal(); 17530 final int childCount = (removedChildPackages != null) 17531 ? removedChildPackages.size() : 0; 17532 for (int i = 0; i < childCount; i++) { 17533 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17534 if (childInfo.isRemovedPackageSystemUpdate) { 17535 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 17536 } 17537 } 17538 } 17539 } 17540 17541 void sendSystemPackageAppearedBroadcasts() { 17542 final int packageCount = (appearedChildPackages != null) 17543 ? appearedChildPackages.size() : 0; 17544 for (int i = 0; i < packageCount; i++) { 17545 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 17546 sendPackageAddedForNewUsers(installedInfo.name, true, 17547 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers); 17548 } 17549 } 17550 17551 private void sendSystemPackageUpdatedBroadcastsInternal() { 17552 Bundle extras = new Bundle(2); 17553 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17554 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17555 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 17556 extras, 0, null, null, null); 17557 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 17558 extras, 0, null, null, null); 17559 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 17560 null, 0, removedPackage, null, null); 17561 } 17562 17563 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 17564 // Don't send static shared library removal broadcasts as these 17565 // libs are visible only the the apps that depend on them an one 17566 // cannot remove the library if it has a dependency. 17567 if (isStaticSharedLib) { 17568 return; 17569 } 17570 Bundle extras = new Bundle(2); 17571 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17572 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 17573 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 17574 if (isUpdate || isRemovedPackageSystemUpdate) { 17575 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17576 } 17577 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 17578 if (removedPackage != null) { 17579 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 17580 extras, 0, null, null, removedUsers); 17581 if (dataRemoved && !isRemovedPackageSystemUpdate) { 17582 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 17583 removedPackage, extras, Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 17584 null, null, removedUsers); 17585 } 17586 } 17587 if (removedAppId >= 0) { 17588 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 17589 removedUsers); 17590 } 17591 } 17592 } 17593 17594 /* 17595 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 17596 * flag is not set, the data directory is removed as well. 17597 * make sure this flag is set for partially installed apps. If not its meaningless to 17598 * delete a partially installed application. 17599 */ 17600 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 17601 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 17602 String packageName = ps.name; 17603 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 17604 // Retrieve object to delete permissions for shared user later on 17605 final PackageParser.Package deletedPkg; 17606 final PackageSetting deletedPs; 17607 // reader 17608 synchronized (mPackages) { 17609 deletedPkg = mPackages.get(packageName); 17610 deletedPs = mSettings.mPackages.get(packageName); 17611 if (outInfo != null) { 17612 outInfo.removedPackage = packageName; 17613 outInfo.isStaticSharedLib = deletedPkg != null 17614 && deletedPkg.staticSharedLibName != null; 17615 outInfo.removedUsers = deletedPs != null 17616 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 17617 : null; 17618 } 17619 } 17620 17621 removePackageLI(ps, (flags & FLAGS_REMOVE_CHATTY) != 0); 17622 17623 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 17624 final PackageParser.Package resolvedPkg; 17625 if (deletedPkg != null) { 17626 resolvedPkg = deletedPkg; 17627 } else { 17628 // We don't have a parsed package when it lives on an ejected 17629 // adopted storage device, so fake something together 17630 resolvedPkg = new PackageParser.Package(ps.name); 17631 resolvedPkg.setVolumeUuid(ps.volumeUuid); 17632 } 17633 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 17634 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17635 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 17636 if (outInfo != null) { 17637 outInfo.dataRemoved = true; 17638 } 17639 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 17640 } 17641 17642 int removedAppId = -1; 17643 17644 // writer 17645 synchronized (mPackages) { 17646 boolean installedStateChanged = false; 17647 if (deletedPs != null) { 17648 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 17649 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 17650 clearDefaultBrowserIfNeeded(packageName); 17651 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 17652 removedAppId = mSettings.removePackageLPw(packageName); 17653 if (outInfo != null) { 17654 outInfo.removedAppId = removedAppId; 17655 } 17656 updatePermissionsLPw(deletedPs.name, null, 0); 17657 if (deletedPs.sharedUser != null) { 17658 // Remove permissions associated with package. Since runtime 17659 // permissions are per user we have to kill the removed package 17660 // or packages running under the shared user of the removed 17661 // package if revoking the permissions requested only by the removed 17662 // package is successful and this causes a change in gids. 17663 for (int userId : UserManagerService.getInstance().getUserIds()) { 17664 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 17665 userId); 17666 if (userIdToKill == UserHandle.USER_ALL 17667 || userIdToKill >= UserHandle.USER_SYSTEM) { 17668 // If gids changed for this user, kill all affected packages. 17669 mHandler.post(new Runnable() { 17670 @Override 17671 public void run() { 17672 // This has to happen with no lock held. 17673 killApplication(deletedPs.name, deletedPs.appId, 17674 KILL_APP_REASON_GIDS_CHANGED); 17675 } 17676 }); 17677 break; 17678 } 17679 } 17680 } 17681 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 17682 } 17683 // make sure to preserve per-user disabled state if this removal was just 17684 // a downgrade of a system app to the factory package 17685 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 17686 if (DEBUG_REMOVE) { 17687 Slog.d(TAG, "Propagating install state across downgrade"); 17688 } 17689 for (int userId : allUserHandles) { 17690 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17691 if (DEBUG_REMOVE) { 17692 Slog.d(TAG, " user " + userId + " => " + installed); 17693 } 17694 if (installed != ps.getInstalled(userId)) { 17695 installedStateChanged = true; 17696 } 17697 ps.setInstalled(installed, userId); 17698 } 17699 } 17700 } 17701 // can downgrade to reader 17702 if (writeSettings) { 17703 // Save settings now 17704 mSettings.writeLPr(); 17705 } 17706 if (installedStateChanged) { 17707 mSettings.writeKernelMappingLPr(ps); 17708 } 17709 } 17710 if (removedAppId != -1) { 17711 // A user ID was deleted here. Go through all users and remove it 17712 // from KeyStore. 17713 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 17714 } 17715 } 17716 17717 static boolean locationIsPrivileged(File path) { 17718 try { 17719 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 17720 .getCanonicalPath(); 17721 return path.getCanonicalPath().startsWith(privilegedAppDir); 17722 } catch (IOException e) { 17723 Slog.e(TAG, "Unable to access code path " + path); 17724 } 17725 return false; 17726 } 17727 17728 /* 17729 * Tries to delete system package. 17730 */ 17731 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 17732 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 17733 boolean writeSettings) { 17734 if (deletedPs.parentPackageName != null) { 17735 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 17736 return false; 17737 } 17738 17739 final boolean applyUserRestrictions 17740 = (allUserHandles != null) && (outInfo.origUsers != null); 17741 final PackageSetting disabledPs; 17742 // Confirm if the system package has been updated 17743 // An updated system app can be deleted. This will also have to restore 17744 // the system pkg from system partition 17745 // reader 17746 synchronized (mPackages) { 17747 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 17748 } 17749 17750 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 17751 + " disabledPs=" + disabledPs); 17752 17753 if (disabledPs == null) { 17754 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 17755 return false; 17756 } else if (DEBUG_REMOVE) { 17757 Slog.d(TAG, "Deleting system pkg from data partition"); 17758 } 17759 17760 if (DEBUG_REMOVE) { 17761 if (applyUserRestrictions) { 17762 Slog.d(TAG, "Remembering install states:"); 17763 for (int userId : allUserHandles) { 17764 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 17765 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 17766 } 17767 } 17768 } 17769 17770 // Delete the updated package 17771 outInfo.isRemovedPackageSystemUpdate = true; 17772 if (outInfo.removedChildPackages != null) { 17773 final int childCount = (deletedPs.childPackageNames != null) 17774 ? deletedPs.childPackageNames.size() : 0; 17775 for (int i = 0; i < childCount; i++) { 17776 String childPackageName = deletedPs.childPackageNames.get(i); 17777 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 17778 .contains(childPackageName)) { 17779 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17780 childPackageName); 17781 if (childInfo != null) { 17782 childInfo.isRemovedPackageSystemUpdate = true; 17783 } 17784 } 17785 } 17786 } 17787 17788 if (disabledPs.versionCode < deletedPs.versionCode) { 17789 // Delete data for downgrades 17790 flags &= ~PackageManager.DELETE_KEEP_DATA; 17791 } else { 17792 // Preserve data by setting flag 17793 flags |= PackageManager.DELETE_KEEP_DATA; 17794 } 17795 17796 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 17797 outInfo, writeSettings, disabledPs.pkg); 17798 if (!ret) { 17799 return false; 17800 } 17801 17802 // writer 17803 synchronized (mPackages) { 17804 // Reinstate the old system package 17805 enableSystemPackageLPw(disabledPs.pkg); 17806 // Remove any native libraries from the upgraded package. 17807 removeNativeBinariesLI(deletedPs); 17808 } 17809 17810 // Install the system package 17811 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 17812 int parseFlags = mDefParseFlags 17813 | PackageParser.PARSE_MUST_BE_APK 17814 | PackageParser.PARSE_IS_SYSTEM 17815 | PackageParser.PARSE_IS_SYSTEM_DIR; 17816 if (locationIsPrivileged(disabledPs.codePath)) { 17817 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 17818 } 17819 17820 final PackageParser.Package newPkg; 17821 try { 17822 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 17823 0 /* currentTime */, null); 17824 } catch (PackageManagerException e) { 17825 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 17826 + e.getMessage()); 17827 return false; 17828 } 17829 17830 try { 17831 // update shared libraries for the newly re-installed system package 17832 updateSharedLibrariesLPr(newPkg, null); 17833 } catch (PackageManagerException e) { 17834 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 17835 } 17836 17837 prepareAppDataAfterInstallLIF(newPkg); 17838 17839 // writer 17840 synchronized (mPackages) { 17841 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 17842 17843 // Propagate the permissions state as we do not want to drop on the floor 17844 // runtime permissions. The update permissions method below will take 17845 // care of removing obsolete permissions and grant install permissions. 17846 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 17847 updatePermissionsLPw(newPkg.packageName, newPkg, 17848 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 17849 17850 if (applyUserRestrictions) { 17851 boolean installedStateChanged = false; 17852 if (DEBUG_REMOVE) { 17853 Slog.d(TAG, "Propagating install state across reinstall"); 17854 } 17855 for (int userId : allUserHandles) { 17856 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17857 if (DEBUG_REMOVE) { 17858 Slog.d(TAG, " user " + userId + " => " + installed); 17859 } 17860 if (installed != ps.getInstalled(userId)) { 17861 installedStateChanged = true; 17862 } 17863 ps.setInstalled(installed, userId); 17864 17865 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17866 } 17867 // Regardless of writeSettings we need to ensure that this restriction 17868 // state propagation is persisted 17869 mSettings.writeAllUsersPackageRestrictionsLPr(); 17870 if (installedStateChanged) { 17871 mSettings.writeKernelMappingLPr(ps); 17872 } 17873 } 17874 // can downgrade to reader here 17875 if (writeSettings) { 17876 mSettings.writeLPr(); 17877 } 17878 } 17879 return true; 17880 } 17881 17882 private boolean deleteInstalledPackageLIF(PackageSetting ps, 17883 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 17884 PackageRemovedInfo outInfo, boolean writeSettings, 17885 PackageParser.Package replacingPackage) { 17886 synchronized (mPackages) { 17887 if (outInfo != null) { 17888 outInfo.uid = ps.appId; 17889 } 17890 17891 if (outInfo != null && outInfo.removedChildPackages != null) { 17892 final int childCount = (ps.childPackageNames != null) 17893 ? ps.childPackageNames.size() : 0; 17894 for (int i = 0; i < childCount; i++) { 17895 String childPackageName = ps.childPackageNames.get(i); 17896 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 17897 if (childPs == null) { 17898 return false; 17899 } 17900 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17901 childPackageName); 17902 if (childInfo != null) { 17903 childInfo.uid = childPs.appId; 17904 } 17905 } 17906 } 17907 } 17908 17909 // Delete package data from internal structures and also remove data if flag is set 17910 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 17911 17912 // Delete the child packages data 17913 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 17914 for (int i = 0; i < childCount; i++) { 17915 PackageSetting childPs; 17916 synchronized (mPackages) { 17917 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 17918 } 17919 if (childPs != null) { 17920 PackageRemovedInfo childOutInfo = (outInfo != null 17921 && outInfo.removedChildPackages != null) 17922 ? outInfo.removedChildPackages.get(childPs.name) : null; 17923 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 17924 && (replacingPackage != null 17925 && !replacingPackage.hasChildPackage(childPs.name)) 17926 ? flags & ~DELETE_KEEP_DATA : flags; 17927 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 17928 deleteFlags, writeSettings); 17929 } 17930 } 17931 17932 // Delete application code and resources only for parent packages 17933 if (ps.parentPackageName == null) { 17934 if (deleteCodeAndResources && (outInfo != null)) { 17935 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 17936 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 17937 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 17938 } 17939 } 17940 17941 return true; 17942 } 17943 17944 @Override 17945 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 17946 int userId) { 17947 mContext.enforceCallingOrSelfPermission( 17948 android.Manifest.permission.DELETE_PACKAGES, null); 17949 synchronized (mPackages) { 17950 PackageSetting ps = mSettings.mPackages.get(packageName); 17951 if (ps == null) { 17952 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 17953 return false; 17954 } 17955 // Cannot block uninstall of static shared libs as they are 17956 // considered a part of the using app (emulating static linking). 17957 // Also static libs are installed always on internal storage. 17958 PackageParser.Package pkg = mPackages.get(packageName); 17959 if (pkg != null && pkg.staticSharedLibName != null) { 17960 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 17961 + " providing static shared library: " + pkg.staticSharedLibName); 17962 return false; 17963 } 17964 if (!ps.getInstalled(userId)) { 17965 // Can't block uninstall for an app that is not installed or enabled. 17966 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 17967 return false; 17968 } 17969 ps.setBlockUninstall(blockUninstall, userId); 17970 mSettings.writePackageRestrictionsLPr(userId); 17971 } 17972 return true; 17973 } 17974 17975 @Override 17976 public boolean getBlockUninstallForUser(String packageName, int userId) { 17977 synchronized (mPackages) { 17978 PackageSetting ps = mSettings.mPackages.get(packageName); 17979 if (ps == null) { 17980 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 17981 return false; 17982 } 17983 return ps.getBlockUninstall(userId); 17984 } 17985 } 17986 17987 @Override 17988 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 17989 int callingUid = Binder.getCallingUid(); 17990 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 17991 throw new SecurityException( 17992 "setRequiredForSystemUser can only be run by the system or root"); 17993 } 17994 synchronized (mPackages) { 17995 PackageSetting ps = mSettings.mPackages.get(packageName); 17996 if (ps == null) { 17997 Log.w(TAG, "Package doesn't exist: " + packageName); 17998 return false; 17999 } 18000 if (systemUserApp) { 18001 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18002 } else { 18003 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18004 } 18005 mSettings.writeLPr(); 18006 } 18007 return true; 18008 } 18009 18010 /* 18011 * This method handles package deletion in general 18012 */ 18013 private boolean deletePackageLIF(String packageName, UserHandle user, 18014 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 18015 PackageRemovedInfo outInfo, boolean writeSettings, 18016 PackageParser.Package replacingPackage) { 18017 if (packageName == null) { 18018 Slog.w(TAG, "Attempt to delete null packageName."); 18019 return false; 18020 } 18021 18022 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 18023 18024 PackageSetting ps; 18025 synchronized (mPackages) { 18026 ps = mSettings.mPackages.get(packageName); 18027 if (ps == null) { 18028 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18029 return false; 18030 } 18031 18032 if (ps.parentPackageName != null && (!isSystemApp(ps) 18033 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 18034 if (DEBUG_REMOVE) { 18035 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 18036 + ((user == null) ? UserHandle.USER_ALL : user)); 18037 } 18038 final int removedUserId = (user != null) ? user.getIdentifier() 18039 : UserHandle.USER_ALL; 18040 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 18041 return false; 18042 } 18043 markPackageUninstalledForUserLPw(ps, user); 18044 scheduleWritePackageRestrictionsLocked(user); 18045 return true; 18046 } 18047 } 18048 18049 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 18050 && user.getIdentifier() != UserHandle.USER_ALL)) { 18051 // The caller is asking that the package only be deleted for a single 18052 // user. To do this, we just mark its uninstalled state and delete 18053 // its data. If this is a system app, we only allow this to happen if 18054 // they have set the special DELETE_SYSTEM_APP which requests different 18055 // semantics than normal for uninstalling system apps. 18056 markPackageUninstalledForUserLPw(ps, user); 18057 18058 if (!isSystemApp(ps)) { 18059 // Do not uninstall the APK if an app should be cached 18060 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 18061 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 18062 // Other user 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, "Still installed by other users"); 18066 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18067 return false; 18068 } 18069 scheduleWritePackageRestrictionsLocked(user); 18070 return true; 18071 } else { 18072 // We need to set it back to 'installed' so the uninstall 18073 // broadcasts will be sent correctly. 18074 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 18075 ps.setInstalled(true, user.getIdentifier()); 18076 mSettings.writeKernelMappingLPr(ps); 18077 } 18078 } else { 18079 // This is a system app, so we assume that the 18080 // other users still have this package installed, so all 18081 // we need to do is clear this user's data and save that 18082 // it is uninstalled. 18083 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 18084 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18085 return false; 18086 } 18087 scheduleWritePackageRestrictionsLocked(user); 18088 return true; 18089 } 18090 } 18091 18092 // If we are deleting a composite package for all users, keep track 18093 // of result for each child. 18094 if (ps.childPackageNames != null && outInfo != null) { 18095 synchronized (mPackages) { 18096 final int childCount = ps.childPackageNames.size(); 18097 outInfo.removedChildPackages = new ArrayMap<>(childCount); 18098 for (int i = 0; i < childCount; i++) { 18099 String childPackageName = ps.childPackageNames.get(i); 18100 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 18101 childInfo.removedPackage = childPackageName; 18102 outInfo.removedChildPackages.put(childPackageName, childInfo); 18103 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18104 if (childPs != null) { 18105 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 18106 } 18107 } 18108 } 18109 } 18110 18111 boolean ret = false; 18112 if (isSystemApp(ps)) { 18113 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 18114 // When an updated system application is deleted we delete the existing resources 18115 // as well and fall back to existing code in system partition 18116 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 18117 } else { 18118 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 18119 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 18120 outInfo, writeSettings, replacingPackage); 18121 } 18122 18123 // Take a note whether we deleted the package for all users 18124 if (outInfo != null) { 18125 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 18126 if (outInfo.removedChildPackages != null) { 18127 synchronized (mPackages) { 18128 final int childCount = outInfo.removedChildPackages.size(); 18129 for (int i = 0; i < childCount; i++) { 18130 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 18131 if (childInfo != null) { 18132 childInfo.removedForAllUsers = mPackages.get( 18133 childInfo.removedPackage) == null; 18134 } 18135 } 18136 } 18137 } 18138 // If we uninstalled an update to a system app there may be some 18139 // child packages that appeared as they are declared in the system 18140 // app but were not declared in the update. 18141 if (isSystemApp(ps)) { 18142 synchronized (mPackages) { 18143 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 18144 final int childCount = (updatedPs.childPackageNames != null) 18145 ? updatedPs.childPackageNames.size() : 0; 18146 for (int i = 0; i < childCount; i++) { 18147 String childPackageName = updatedPs.childPackageNames.get(i); 18148 if (outInfo.removedChildPackages == null 18149 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 18150 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18151 if (childPs == null) { 18152 continue; 18153 } 18154 PackageInstalledInfo installRes = new PackageInstalledInfo(); 18155 installRes.name = childPackageName; 18156 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 18157 installRes.pkg = mPackages.get(childPackageName); 18158 installRes.uid = childPs.pkg.applicationInfo.uid; 18159 if (outInfo.appearedChildPackages == null) { 18160 outInfo.appearedChildPackages = new ArrayMap<>(); 18161 } 18162 outInfo.appearedChildPackages.put(childPackageName, installRes); 18163 } 18164 } 18165 } 18166 } 18167 } 18168 18169 return ret; 18170 } 18171 18172 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 18173 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 18174 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 18175 for (int nextUserId : userIds) { 18176 if (DEBUG_REMOVE) { 18177 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 18178 } 18179 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 18180 false /*installed*/, 18181 true /*stopped*/, 18182 true /*notLaunched*/, 18183 false /*hidden*/, 18184 false /*suspended*/, 18185 false /*instantApp*/, 18186 null /*lastDisableAppCaller*/, 18187 null /*enabledComponents*/, 18188 null /*disabledComponents*/, 18189 false /*blockUninstall*/, 18190 ps.readUserState(nextUserId).domainVerificationStatus, 18191 0, PackageManager.INSTALL_REASON_UNKNOWN); 18192 } 18193 mSettings.writeKernelMappingLPr(ps); 18194 } 18195 18196 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 18197 PackageRemovedInfo outInfo) { 18198 final PackageParser.Package pkg; 18199 synchronized (mPackages) { 18200 pkg = mPackages.get(ps.name); 18201 } 18202 18203 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 18204 : new int[] {userId}; 18205 for (int nextUserId : userIds) { 18206 if (DEBUG_REMOVE) { 18207 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 18208 + nextUserId); 18209 } 18210 18211 destroyAppDataLIF(pkg, userId, 18212 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18213 destroyAppProfilesLIF(pkg, userId); 18214 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 18215 schedulePackageCleaning(ps.name, nextUserId, false); 18216 synchronized (mPackages) { 18217 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 18218 scheduleWritePackageRestrictionsLocked(nextUserId); 18219 } 18220 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 18221 } 18222 } 18223 18224 if (outInfo != null) { 18225 outInfo.removedPackage = ps.name; 18226 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 18227 outInfo.removedAppId = ps.appId; 18228 outInfo.removedUsers = userIds; 18229 } 18230 18231 return true; 18232 } 18233 18234 private final class ClearStorageConnection implements ServiceConnection { 18235 IMediaContainerService mContainerService; 18236 18237 @Override 18238 public void onServiceConnected(ComponentName name, IBinder service) { 18239 synchronized (this) { 18240 mContainerService = IMediaContainerService.Stub 18241 .asInterface(Binder.allowBlocking(service)); 18242 notifyAll(); 18243 } 18244 } 18245 18246 @Override 18247 public void onServiceDisconnected(ComponentName name) { 18248 } 18249 } 18250 18251 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 18252 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 18253 18254 final boolean mounted; 18255 if (Environment.isExternalStorageEmulated()) { 18256 mounted = true; 18257 } else { 18258 final String status = Environment.getExternalStorageState(); 18259 18260 mounted = status.equals(Environment.MEDIA_MOUNTED) 18261 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 18262 } 18263 18264 if (!mounted) { 18265 return; 18266 } 18267 18268 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 18269 int[] users; 18270 if (userId == UserHandle.USER_ALL) { 18271 users = sUserManager.getUserIds(); 18272 } else { 18273 users = new int[] { userId }; 18274 } 18275 final ClearStorageConnection conn = new ClearStorageConnection(); 18276 if (mContext.bindServiceAsUser( 18277 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 18278 try { 18279 for (int curUser : users) { 18280 long timeout = SystemClock.uptimeMillis() + 5000; 18281 synchronized (conn) { 18282 long now; 18283 while (conn.mContainerService == null && 18284 (now = SystemClock.uptimeMillis()) < timeout) { 18285 try { 18286 conn.wait(timeout - now); 18287 } catch (InterruptedException e) { 18288 } 18289 } 18290 } 18291 if (conn.mContainerService == null) { 18292 return; 18293 } 18294 18295 final UserEnvironment userEnv = new UserEnvironment(curUser); 18296 clearDirectory(conn.mContainerService, 18297 userEnv.buildExternalStorageAppCacheDirs(packageName)); 18298 if (allData) { 18299 clearDirectory(conn.mContainerService, 18300 userEnv.buildExternalStorageAppDataDirs(packageName)); 18301 clearDirectory(conn.mContainerService, 18302 userEnv.buildExternalStorageAppMediaDirs(packageName)); 18303 } 18304 } 18305 } finally { 18306 mContext.unbindService(conn); 18307 } 18308 } 18309 } 18310 18311 @Override 18312 public void clearApplicationProfileData(String packageName) { 18313 enforceSystemOrRoot("Only the system can clear all profile data"); 18314 18315 final PackageParser.Package pkg; 18316 synchronized (mPackages) { 18317 pkg = mPackages.get(packageName); 18318 } 18319 18320 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 18321 synchronized (mInstallLock) { 18322 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 18323 } 18324 } 18325 } 18326 18327 @Override 18328 public void clearApplicationUserData(final String packageName, 18329 final IPackageDataObserver observer, final int userId) { 18330 mContext.enforceCallingOrSelfPermission( 18331 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 18332 18333 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18334 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 18335 18336 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 18337 throw new SecurityException("Cannot clear data for a protected package: " 18338 + packageName); 18339 } 18340 // Queue up an async operation since the package deletion may take a little while. 18341 mHandler.post(new Runnable() { 18342 public void run() { 18343 mHandler.removeCallbacks(this); 18344 final boolean succeeded; 18345 try (PackageFreezer freezer = freezePackage(packageName, 18346 "clearApplicationUserData")) { 18347 synchronized (mInstallLock) { 18348 succeeded = clearApplicationUserDataLIF(packageName, userId); 18349 } 18350 clearExternalStorageDataSync(packageName, userId, true); 18351 synchronized (mPackages) { 18352 mInstantAppRegistry.deleteInstantApplicationMetadataLPw( 18353 packageName, userId); 18354 } 18355 } 18356 if (succeeded) { 18357 // invoke DeviceStorageMonitor's update method to clear any notifications 18358 DeviceStorageMonitorInternal dsm = LocalServices 18359 .getService(DeviceStorageMonitorInternal.class); 18360 if (dsm != null) { 18361 dsm.checkMemory(); 18362 } 18363 } 18364 if(observer != null) { 18365 try { 18366 observer.onRemoveCompleted(packageName, succeeded); 18367 } catch (RemoteException e) { 18368 Log.i(TAG, "Observer no longer exists."); 18369 } 18370 } //end if observer 18371 } //end run 18372 }); 18373 } 18374 18375 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 18376 if (packageName == null) { 18377 Slog.w(TAG, "Attempt to delete null packageName."); 18378 return false; 18379 } 18380 18381 // Try finding details about the requested package 18382 PackageParser.Package pkg; 18383 synchronized (mPackages) { 18384 pkg = mPackages.get(packageName); 18385 if (pkg == null) { 18386 final PackageSetting ps = mSettings.mPackages.get(packageName); 18387 if (ps != null) { 18388 pkg = ps.pkg; 18389 } 18390 } 18391 18392 if (pkg == null) { 18393 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18394 return false; 18395 } 18396 18397 PackageSetting ps = (PackageSetting) pkg.mExtras; 18398 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18399 } 18400 18401 clearAppDataLIF(pkg, userId, 18402 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18403 18404 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18405 removeKeystoreDataIfNeeded(userId, appId); 18406 18407 UserManagerInternal umInternal = getUserManagerInternal(); 18408 final int flags; 18409 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 18410 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18411 } else if (umInternal.isUserRunning(userId)) { 18412 flags = StorageManager.FLAG_STORAGE_DE; 18413 } else { 18414 flags = 0; 18415 } 18416 prepareAppDataContentsLIF(pkg, userId, flags); 18417 18418 return true; 18419 } 18420 18421 /** 18422 * Reverts user permission state changes (permissions and flags) in 18423 * all packages for a given user. 18424 * 18425 * @param userId The device user for which to do a reset. 18426 */ 18427 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 18428 final int packageCount = mPackages.size(); 18429 for (int i = 0; i < packageCount; i++) { 18430 PackageParser.Package pkg = mPackages.valueAt(i); 18431 PackageSetting ps = (PackageSetting) pkg.mExtras; 18432 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18433 } 18434 } 18435 18436 private void resetNetworkPolicies(int userId) { 18437 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 18438 } 18439 18440 /** 18441 * Reverts user permission state changes (permissions and flags). 18442 * 18443 * @param ps The package for which to reset. 18444 * @param userId The device user for which to do a reset. 18445 */ 18446 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 18447 final PackageSetting ps, final int userId) { 18448 if (ps.pkg == null) { 18449 return; 18450 } 18451 18452 // These are flags that can change base on user actions. 18453 final int userSettableMask = FLAG_PERMISSION_USER_SET 18454 | FLAG_PERMISSION_USER_FIXED 18455 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 18456 | FLAG_PERMISSION_REVIEW_REQUIRED; 18457 18458 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 18459 | FLAG_PERMISSION_POLICY_FIXED; 18460 18461 boolean writeInstallPermissions = false; 18462 boolean writeRuntimePermissions = false; 18463 18464 final int permissionCount = ps.pkg.requestedPermissions.size(); 18465 for (int i = 0; i < permissionCount; i++) { 18466 String permission = ps.pkg.requestedPermissions.get(i); 18467 18468 BasePermission bp = mSettings.mPermissions.get(permission); 18469 if (bp == null) { 18470 continue; 18471 } 18472 18473 // If shared user we just reset the state to which only this app contributed. 18474 if (ps.sharedUser != null) { 18475 boolean used = false; 18476 final int packageCount = ps.sharedUser.packages.size(); 18477 for (int j = 0; j < packageCount; j++) { 18478 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 18479 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 18480 && pkg.pkg.requestedPermissions.contains(permission)) { 18481 used = true; 18482 break; 18483 } 18484 } 18485 if (used) { 18486 continue; 18487 } 18488 } 18489 18490 PermissionsState permissionsState = ps.getPermissionsState(); 18491 18492 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 18493 18494 // Always clear the user settable flags. 18495 final boolean hasInstallState = permissionsState.getInstallPermissionState( 18496 bp.name) != null; 18497 // If permission review is enabled and this is a legacy app, mark the 18498 // permission as requiring a review as this is the initial state. 18499 int flags = 0; 18500 if (mPermissionReviewRequired 18501 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 18502 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 18503 } 18504 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 18505 if (hasInstallState) { 18506 writeInstallPermissions = true; 18507 } else { 18508 writeRuntimePermissions = true; 18509 } 18510 } 18511 18512 // Below is only runtime permission handling. 18513 if (!bp.isRuntime()) { 18514 continue; 18515 } 18516 18517 // Never clobber system or policy. 18518 if ((oldFlags & policyOrSystemFlags) != 0) { 18519 continue; 18520 } 18521 18522 // If this permission was granted by default, make sure it is. 18523 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 18524 if (permissionsState.grantRuntimePermission(bp, userId) 18525 != PERMISSION_OPERATION_FAILURE) { 18526 writeRuntimePermissions = true; 18527 } 18528 // If permission review is enabled the permissions for a legacy apps 18529 // are represented as constantly granted runtime ones, so don't revoke. 18530 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 18531 // Otherwise, reset the permission. 18532 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 18533 switch (revokeResult) { 18534 case PERMISSION_OPERATION_SUCCESS: 18535 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 18536 writeRuntimePermissions = true; 18537 final int appId = ps.appId; 18538 mHandler.post(new Runnable() { 18539 @Override 18540 public void run() { 18541 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 18542 } 18543 }); 18544 } break; 18545 } 18546 } 18547 } 18548 18549 // Synchronously write as we are taking permissions away. 18550 if (writeRuntimePermissions) { 18551 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 18552 } 18553 18554 // Synchronously write as we are taking permissions away. 18555 if (writeInstallPermissions) { 18556 mSettings.writeLPr(); 18557 } 18558 } 18559 18560 /** 18561 * Remove entries from the keystore daemon. Will only remove it if the 18562 * {@code appId} is valid. 18563 */ 18564 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 18565 if (appId < 0) { 18566 return; 18567 } 18568 18569 final KeyStore keyStore = KeyStore.getInstance(); 18570 if (keyStore != null) { 18571 if (userId == UserHandle.USER_ALL) { 18572 for (final int individual : sUserManager.getUserIds()) { 18573 keyStore.clearUid(UserHandle.getUid(individual, appId)); 18574 } 18575 } else { 18576 keyStore.clearUid(UserHandle.getUid(userId, appId)); 18577 } 18578 } else { 18579 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 18580 } 18581 } 18582 18583 @Override 18584 public void deleteApplicationCacheFiles(final String packageName, 18585 final IPackageDataObserver observer) { 18586 final int userId = UserHandle.getCallingUserId(); 18587 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 18588 } 18589 18590 @Override 18591 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 18592 final IPackageDataObserver observer) { 18593 mContext.enforceCallingOrSelfPermission( 18594 android.Manifest.permission.DELETE_CACHE_FILES, null); 18595 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18596 /* requireFullPermission= */ true, /* checkShell= */ false, 18597 "delete application cache files"); 18598 18599 final PackageParser.Package pkg; 18600 synchronized (mPackages) { 18601 pkg = mPackages.get(packageName); 18602 } 18603 18604 // Queue up an async operation since the package deletion may take a little while. 18605 mHandler.post(new Runnable() { 18606 public void run() { 18607 synchronized (mInstallLock) { 18608 final int flags = StorageManager.FLAG_STORAGE_DE 18609 | StorageManager.FLAG_STORAGE_CE; 18610 // We're only clearing cache files, so we don't care if the 18611 // app is unfrozen and still able to run 18612 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 18613 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18614 } 18615 clearExternalStorageDataSync(packageName, userId, false); 18616 if (observer != null) { 18617 try { 18618 observer.onRemoveCompleted(packageName, true); 18619 } catch (RemoteException e) { 18620 Log.i(TAG, "Observer no longer exists."); 18621 } 18622 } 18623 } 18624 }); 18625 } 18626 18627 @Override 18628 public void getPackageSizeInfo(final String packageName, int userHandle, 18629 final IPackageStatsObserver observer) { 18630 throw new UnsupportedOperationException( 18631 "Shame on you for calling a hidden API. Shame!"); 18632 } 18633 18634 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 18635 final PackageSetting ps; 18636 synchronized (mPackages) { 18637 ps = mSettings.mPackages.get(packageName); 18638 if (ps == null) { 18639 Slog.w(TAG, "Failed to find settings for " + packageName); 18640 return false; 18641 } 18642 } 18643 18644 final String[] packageNames = { packageName }; 18645 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 18646 final String[] codePaths = { ps.codePathString }; 18647 18648 try { 18649 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 18650 ps.appId, ceDataInodes, codePaths, stats); 18651 18652 // For now, ignore code size of packages on system partition 18653 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 18654 stats.codeSize = 0; 18655 } 18656 18657 // External clients expect these to be tracked separately 18658 stats.dataSize -= stats.cacheSize; 18659 18660 } catch (InstallerException e) { 18661 Slog.w(TAG, String.valueOf(e)); 18662 return false; 18663 } 18664 18665 return true; 18666 } 18667 18668 private int getUidTargetSdkVersionLockedLPr(int uid) { 18669 Object obj = mSettings.getUserIdLPr(uid); 18670 if (obj instanceof SharedUserSetting) { 18671 final SharedUserSetting sus = (SharedUserSetting) obj; 18672 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 18673 final Iterator<PackageSetting> it = sus.packages.iterator(); 18674 while (it.hasNext()) { 18675 final PackageSetting ps = it.next(); 18676 if (ps.pkg != null) { 18677 int v = ps.pkg.applicationInfo.targetSdkVersion; 18678 if (v < vers) vers = v; 18679 } 18680 } 18681 return vers; 18682 } else if (obj instanceof PackageSetting) { 18683 final PackageSetting ps = (PackageSetting) obj; 18684 if (ps.pkg != null) { 18685 return ps.pkg.applicationInfo.targetSdkVersion; 18686 } 18687 } 18688 return Build.VERSION_CODES.CUR_DEVELOPMENT; 18689 } 18690 18691 @Override 18692 public void addPreferredActivity(IntentFilter filter, int match, 18693 ComponentName[] set, ComponentName activity, int userId) { 18694 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18695 "Adding preferred"); 18696 } 18697 18698 private void addPreferredActivityInternal(IntentFilter filter, int match, 18699 ComponentName[] set, ComponentName activity, boolean always, int userId, 18700 String opname) { 18701 // writer 18702 int callingUid = Binder.getCallingUid(); 18703 enforceCrossUserPermission(callingUid, userId, 18704 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 18705 if (filter.countActions() == 0) { 18706 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18707 return; 18708 } 18709 synchronized (mPackages) { 18710 if (mContext.checkCallingOrSelfPermission( 18711 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18712 != PackageManager.PERMISSION_GRANTED) { 18713 if (getUidTargetSdkVersionLockedLPr(callingUid) 18714 < Build.VERSION_CODES.FROYO) { 18715 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 18716 + callingUid); 18717 return; 18718 } 18719 mContext.enforceCallingOrSelfPermission( 18720 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18721 } 18722 18723 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 18724 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 18725 + userId + ":"); 18726 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18727 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 18728 scheduleWritePackageRestrictionsLocked(userId); 18729 postPreferredActivityChangedBroadcast(userId); 18730 } 18731 } 18732 18733 private void postPreferredActivityChangedBroadcast(int userId) { 18734 mHandler.post(() -> { 18735 final IActivityManager am = ActivityManager.getService(); 18736 if (am == null) { 18737 return; 18738 } 18739 18740 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 18741 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18742 try { 18743 am.broadcastIntent(null, intent, null, null, 18744 0, null, null, null, android.app.AppOpsManager.OP_NONE, 18745 null, false, false, userId); 18746 } catch (RemoteException e) { 18747 } 18748 }); 18749 } 18750 18751 @Override 18752 public void replacePreferredActivity(IntentFilter filter, int match, 18753 ComponentName[] set, ComponentName activity, int userId) { 18754 if (filter.countActions() != 1) { 18755 throw new IllegalArgumentException( 18756 "replacePreferredActivity expects filter to have only 1 action."); 18757 } 18758 if (filter.countDataAuthorities() != 0 18759 || filter.countDataPaths() != 0 18760 || filter.countDataSchemes() > 1 18761 || filter.countDataTypes() != 0) { 18762 throw new IllegalArgumentException( 18763 "replacePreferredActivity expects filter to have no data authorities, " + 18764 "paths, or types; and at most one scheme."); 18765 } 18766 18767 final int callingUid = Binder.getCallingUid(); 18768 enforceCrossUserPermission(callingUid, userId, 18769 true /* requireFullPermission */, false /* checkShell */, 18770 "replace preferred activity"); 18771 synchronized (mPackages) { 18772 if (mContext.checkCallingOrSelfPermission( 18773 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18774 != PackageManager.PERMISSION_GRANTED) { 18775 if (getUidTargetSdkVersionLockedLPr(callingUid) 18776 < Build.VERSION_CODES.FROYO) { 18777 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 18778 + Binder.getCallingUid()); 18779 return; 18780 } 18781 mContext.enforceCallingOrSelfPermission( 18782 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18783 } 18784 18785 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18786 if (pir != null) { 18787 // Get all of the existing entries that exactly match this filter. 18788 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 18789 if (existing != null && existing.size() == 1) { 18790 PreferredActivity cur = existing.get(0); 18791 if (DEBUG_PREFERRED) { 18792 Slog.i(TAG, "Checking replace of preferred:"); 18793 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18794 if (!cur.mPref.mAlways) { 18795 Slog.i(TAG, " -- CUR; not mAlways!"); 18796 } else { 18797 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 18798 Slog.i(TAG, " -- CUR: mSet=" 18799 + Arrays.toString(cur.mPref.mSetComponents)); 18800 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 18801 Slog.i(TAG, " -- NEW: mMatch=" 18802 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 18803 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 18804 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 18805 } 18806 } 18807 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 18808 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 18809 && cur.mPref.sameSet(set)) { 18810 // Setting the preferred activity to what it happens to be already 18811 if (DEBUG_PREFERRED) { 18812 Slog.i(TAG, "Replacing with same preferred activity " 18813 + cur.mPref.mShortComponent + " for user " 18814 + userId + ":"); 18815 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18816 } 18817 return; 18818 } 18819 } 18820 18821 if (existing != null) { 18822 if (DEBUG_PREFERRED) { 18823 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 18824 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18825 } 18826 for (int i = 0; i < existing.size(); i++) { 18827 PreferredActivity pa = existing.get(i); 18828 if (DEBUG_PREFERRED) { 18829 Slog.i(TAG, "Removing existing preferred activity " 18830 + pa.mPref.mComponent + ":"); 18831 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 18832 } 18833 pir.removeFilter(pa); 18834 } 18835 } 18836 } 18837 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18838 "Replacing preferred"); 18839 } 18840 } 18841 18842 @Override 18843 public void clearPackagePreferredActivities(String packageName) { 18844 final int uid = Binder.getCallingUid(); 18845 // writer 18846 synchronized (mPackages) { 18847 PackageParser.Package pkg = mPackages.get(packageName); 18848 if (pkg == null || pkg.applicationInfo.uid != uid) { 18849 if (mContext.checkCallingOrSelfPermission( 18850 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18851 != PackageManager.PERMISSION_GRANTED) { 18852 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 18853 < Build.VERSION_CODES.FROYO) { 18854 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 18855 + Binder.getCallingUid()); 18856 return; 18857 } 18858 mContext.enforceCallingOrSelfPermission( 18859 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18860 } 18861 } 18862 18863 int user = UserHandle.getCallingUserId(); 18864 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 18865 scheduleWritePackageRestrictionsLocked(user); 18866 } 18867 } 18868 } 18869 18870 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18871 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 18872 ArrayList<PreferredActivity> removed = null; 18873 boolean changed = false; 18874 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18875 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 18876 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18877 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 18878 continue; 18879 } 18880 Iterator<PreferredActivity> it = pir.filterIterator(); 18881 while (it.hasNext()) { 18882 PreferredActivity pa = it.next(); 18883 // Mark entry for removal only if it matches the package name 18884 // and the entry is of type "always". 18885 if (packageName == null || 18886 (pa.mPref.mComponent.getPackageName().equals(packageName) 18887 && pa.mPref.mAlways)) { 18888 if (removed == null) { 18889 removed = new ArrayList<PreferredActivity>(); 18890 } 18891 removed.add(pa); 18892 } 18893 } 18894 if (removed != null) { 18895 for (int j=0; j<removed.size(); j++) { 18896 PreferredActivity pa = removed.get(j); 18897 pir.removeFilter(pa); 18898 } 18899 changed = true; 18900 } 18901 } 18902 if (changed) { 18903 postPreferredActivityChangedBroadcast(userId); 18904 } 18905 return changed; 18906 } 18907 18908 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18909 private void clearIntentFilterVerificationsLPw(int userId) { 18910 final int packageCount = mPackages.size(); 18911 for (int i = 0; i < packageCount; i++) { 18912 PackageParser.Package pkg = mPackages.valueAt(i); 18913 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 18914 } 18915 } 18916 18917 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18918 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 18919 if (userId == UserHandle.USER_ALL) { 18920 if (mSettings.removeIntentFilterVerificationLPw(packageName, 18921 sUserManager.getUserIds())) { 18922 for (int oneUserId : sUserManager.getUserIds()) { 18923 scheduleWritePackageRestrictionsLocked(oneUserId); 18924 } 18925 } 18926 } else { 18927 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 18928 scheduleWritePackageRestrictionsLocked(userId); 18929 } 18930 } 18931 } 18932 18933 void clearDefaultBrowserIfNeeded(String packageName) { 18934 for (int oneUserId : sUserManager.getUserIds()) { 18935 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 18936 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 18937 if (packageName.equals(defaultBrowserPackageName)) { 18938 setDefaultBrowserPackageName(null, oneUserId); 18939 } 18940 } 18941 } 18942 18943 @Override 18944 public void resetApplicationPreferences(int userId) { 18945 mContext.enforceCallingOrSelfPermission( 18946 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18947 final long identity = Binder.clearCallingIdentity(); 18948 // writer 18949 try { 18950 synchronized (mPackages) { 18951 clearPackagePreferredActivitiesLPw(null, userId); 18952 mSettings.applyDefaultPreferredAppsLPw(this, userId); 18953 // TODO: We have to reset the default SMS and Phone. This requires 18954 // significant refactoring to keep all default apps in the package 18955 // manager (cleaner but more work) or have the services provide 18956 // callbacks to the package manager to request a default app reset. 18957 applyFactoryDefaultBrowserLPw(userId); 18958 clearIntentFilterVerificationsLPw(userId); 18959 primeDomainVerificationsLPw(userId); 18960 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 18961 scheduleWritePackageRestrictionsLocked(userId); 18962 } 18963 resetNetworkPolicies(userId); 18964 } finally { 18965 Binder.restoreCallingIdentity(identity); 18966 } 18967 } 18968 18969 @Override 18970 public int getPreferredActivities(List<IntentFilter> outFilters, 18971 List<ComponentName> outActivities, String packageName) { 18972 18973 int num = 0; 18974 final int userId = UserHandle.getCallingUserId(); 18975 // reader 18976 synchronized (mPackages) { 18977 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18978 if (pir != null) { 18979 final Iterator<PreferredActivity> it = pir.filterIterator(); 18980 while (it.hasNext()) { 18981 final PreferredActivity pa = it.next(); 18982 if (packageName == null 18983 || (pa.mPref.mComponent.getPackageName().equals(packageName) 18984 && pa.mPref.mAlways)) { 18985 if (outFilters != null) { 18986 outFilters.add(new IntentFilter(pa)); 18987 } 18988 if (outActivities != null) { 18989 outActivities.add(pa.mPref.mComponent); 18990 } 18991 } 18992 } 18993 } 18994 } 18995 18996 return num; 18997 } 18998 18999 @Override 19000 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 19001 int userId) { 19002 int callingUid = Binder.getCallingUid(); 19003 if (callingUid != Process.SYSTEM_UID) { 19004 throw new SecurityException( 19005 "addPersistentPreferredActivity can only be run by the system"); 19006 } 19007 if (filter.countActions() == 0) { 19008 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 19009 return; 19010 } 19011 synchronized (mPackages) { 19012 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 19013 ":"); 19014 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19015 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 19016 new PersistentPreferredActivity(filter, activity)); 19017 scheduleWritePackageRestrictionsLocked(userId); 19018 postPreferredActivityChangedBroadcast(userId); 19019 } 19020 } 19021 19022 @Override 19023 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 19024 int callingUid = Binder.getCallingUid(); 19025 if (callingUid != Process.SYSTEM_UID) { 19026 throw new SecurityException( 19027 "clearPackagePersistentPreferredActivities can only be run by the system"); 19028 } 19029 ArrayList<PersistentPreferredActivity> removed = null; 19030 boolean changed = false; 19031 synchronized (mPackages) { 19032 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 19033 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 19034 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 19035 .valueAt(i); 19036 if (userId != thisUserId) { 19037 continue; 19038 } 19039 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 19040 while (it.hasNext()) { 19041 PersistentPreferredActivity ppa = it.next(); 19042 // Mark entry for removal only if it matches the package name. 19043 if (ppa.mComponent.getPackageName().equals(packageName)) { 19044 if (removed == null) { 19045 removed = new ArrayList<PersistentPreferredActivity>(); 19046 } 19047 removed.add(ppa); 19048 } 19049 } 19050 if (removed != null) { 19051 for (int j=0; j<removed.size(); j++) { 19052 PersistentPreferredActivity ppa = removed.get(j); 19053 ppir.removeFilter(ppa); 19054 } 19055 changed = true; 19056 } 19057 } 19058 19059 if (changed) { 19060 scheduleWritePackageRestrictionsLocked(userId); 19061 postPreferredActivityChangedBroadcast(userId); 19062 } 19063 } 19064 } 19065 19066 /** 19067 * Common machinery for picking apart a restored XML blob and passing 19068 * it to a caller-supplied functor to be applied to the running system. 19069 */ 19070 private void restoreFromXml(XmlPullParser parser, int userId, 19071 String expectedStartTag, BlobXmlRestorer functor) 19072 throws IOException, XmlPullParserException { 19073 int type; 19074 while ((type = parser.next()) != XmlPullParser.START_TAG 19075 && type != XmlPullParser.END_DOCUMENT) { 19076 } 19077 if (type != XmlPullParser.START_TAG) { 19078 // oops didn't find a start tag?! 19079 if (DEBUG_BACKUP) { 19080 Slog.e(TAG, "Didn't find start tag during restore"); 19081 } 19082 return; 19083 } 19084Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 19085 // this is supposed to be TAG_PREFERRED_BACKUP 19086 if (!expectedStartTag.equals(parser.getName())) { 19087 if (DEBUG_BACKUP) { 19088 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 19089 } 19090 return; 19091 } 19092 19093 // skip interfering stuff, then we're aligned with the backing implementation 19094 while ((type = parser.next()) == XmlPullParser.TEXT) { } 19095Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 19096 functor.apply(parser, userId); 19097 } 19098 19099 private interface BlobXmlRestorer { 19100 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 19101 } 19102 19103 /** 19104 * Non-Binder method, support for the backup/restore mechanism: write the 19105 * full set of preferred activities in its canonical XML format. Returns the 19106 * XML output as a byte array, or null if there is none. 19107 */ 19108 @Override 19109 public byte[] getPreferredActivityBackup(int userId) { 19110 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19111 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 19112 } 19113 19114 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19115 try { 19116 final XmlSerializer serializer = new FastXmlSerializer(); 19117 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19118 serializer.startDocument(null, true); 19119 serializer.startTag(null, TAG_PREFERRED_BACKUP); 19120 19121 synchronized (mPackages) { 19122 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 19123 } 19124 19125 serializer.endTag(null, TAG_PREFERRED_BACKUP); 19126 serializer.endDocument(); 19127 serializer.flush(); 19128 } catch (Exception e) { 19129 if (DEBUG_BACKUP) { 19130 Slog.e(TAG, "Unable to write preferred activities for backup", e); 19131 } 19132 return null; 19133 } 19134 19135 return dataStream.toByteArray(); 19136 } 19137 19138 @Override 19139 public void restorePreferredActivities(byte[] backup, int userId) { 19140 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19141 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19142 } 19143 19144 try { 19145 final XmlPullParser parser = Xml.newPullParser(); 19146 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19147 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 19148 new BlobXmlRestorer() { 19149 @Override 19150 public void apply(XmlPullParser parser, int userId) 19151 throws XmlPullParserException, IOException { 19152 synchronized (mPackages) { 19153 mSettings.readPreferredActivitiesLPw(parser, userId); 19154 } 19155 } 19156 } ); 19157 } catch (Exception e) { 19158 if (DEBUG_BACKUP) { 19159 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19160 } 19161 } 19162 } 19163 19164 /** 19165 * Non-Binder method, support for the backup/restore mechanism: write the 19166 * default browser (etc) settings in its canonical XML format. Returns the default 19167 * browser XML representation as a byte array, or null if there is none. 19168 */ 19169 @Override 19170 public byte[] getDefaultAppsBackup(int userId) { 19171 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19172 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 19173 } 19174 19175 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19176 try { 19177 final XmlSerializer serializer = new FastXmlSerializer(); 19178 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19179 serializer.startDocument(null, true); 19180 serializer.startTag(null, TAG_DEFAULT_APPS); 19181 19182 synchronized (mPackages) { 19183 mSettings.writeDefaultAppsLPr(serializer, userId); 19184 } 19185 19186 serializer.endTag(null, TAG_DEFAULT_APPS); 19187 serializer.endDocument(); 19188 serializer.flush(); 19189 } catch (Exception e) { 19190 if (DEBUG_BACKUP) { 19191 Slog.e(TAG, "Unable to write default apps for backup", e); 19192 } 19193 return null; 19194 } 19195 19196 return dataStream.toByteArray(); 19197 } 19198 19199 @Override 19200 public void restoreDefaultApps(byte[] backup, int userId) { 19201 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19202 throw new SecurityException("Only the system may call restoreDefaultApps()"); 19203 } 19204 19205 try { 19206 final XmlPullParser parser = Xml.newPullParser(); 19207 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19208 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 19209 new BlobXmlRestorer() { 19210 @Override 19211 public void apply(XmlPullParser parser, int userId) 19212 throws XmlPullParserException, IOException { 19213 synchronized (mPackages) { 19214 mSettings.readDefaultAppsLPw(parser, userId); 19215 } 19216 } 19217 } ); 19218 } catch (Exception e) { 19219 if (DEBUG_BACKUP) { 19220 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 19221 } 19222 } 19223 } 19224 19225 @Override 19226 public byte[] getIntentFilterVerificationBackup(int userId) { 19227 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19228 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 19229 } 19230 19231 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19232 try { 19233 final XmlSerializer serializer = new FastXmlSerializer(); 19234 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19235 serializer.startDocument(null, true); 19236 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 19237 19238 synchronized (mPackages) { 19239 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 19240 } 19241 19242 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 19243 serializer.endDocument(); 19244 serializer.flush(); 19245 } catch (Exception e) { 19246 if (DEBUG_BACKUP) { 19247 Slog.e(TAG, "Unable to write default apps for backup", e); 19248 } 19249 return null; 19250 } 19251 19252 return dataStream.toByteArray(); 19253 } 19254 19255 @Override 19256 public void restoreIntentFilterVerification(byte[] backup, int userId) { 19257 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19258 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19259 } 19260 19261 try { 19262 final XmlPullParser parser = Xml.newPullParser(); 19263 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19264 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 19265 new BlobXmlRestorer() { 19266 @Override 19267 public void apply(XmlPullParser parser, int userId) 19268 throws XmlPullParserException, IOException { 19269 synchronized (mPackages) { 19270 mSettings.readAllDomainVerificationsLPr(parser, userId); 19271 mSettings.writeLPr(); 19272 } 19273 } 19274 } ); 19275 } catch (Exception e) { 19276 if (DEBUG_BACKUP) { 19277 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19278 } 19279 } 19280 } 19281 19282 @Override 19283 public byte[] getPermissionGrantBackup(int userId) { 19284 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19285 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 19286 } 19287 19288 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19289 try { 19290 final XmlSerializer serializer = new FastXmlSerializer(); 19291 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19292 serializer.startDocument(null, true); 19293 serializer.startTag(null, TAG_PERMISSION_BACKUP); 19294 19295 synchronized (mPackages) { 19296 serializeRuntimePermissionGrantsLPr(serializer, userId); 19297 } 19298 19299 serializer.endTag(null, TAG_PERMISSION_BACKUP); 19300 serializer.endDocument(); 19301 serializer.flush(); 19302 } catch (Exception e) { 19303 if (DEBUG_BACKUP) { 19304 Slog.e(TAG, "Unable to write default apps for backup", e); 19305 } 19306 return null; 19307 } 19308 19309 return dataStream.toByteArray(); 19310 } 19311 19312 @Override 19313 public void restorePermissionGrants(byte[] backup, int userId) { 19314 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19315 throw new SecurityException("Only the system may call restorePermissionGrants()"); 19316 } 19317 19318 try { 19319 final XmlPullParser parser = Xml.newPullParser(); 19320 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19321 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 19322 new BlobXmlRestorer() { 19323 @Override 19324 public void apply(XmlPullParser parser, int userId) 19325 throws XmlPullParserException, IOException { 19326 synchronized (mPackages) { 19327 processRestoredPermissionGrantsLPr(parser, userId); 19328 } 19329 } 19330 } ); 19331 } catch (Exception e) { 19332 if (DEBUG_BACKUP) { 19333 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19334 } 19335 } 19336 } 19337 19338 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 19339 throws IOException { 19340 serializer.startTag(null, TAG_ALL_GRANTS); 19341 19342 final int N = mSettings.mPackages.size(); 19343 for (int i = 0; i < N; i++) { 19344 final PackageSetting ps = mSettings.mPackages.valueAt(i); 19345 boolean pkgGrantsKnown = false; 19346 19347 PermissionsState packagePerms = ps.getPermissionsState(); 19348 19349 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 19350 final int grantFlags = state.getFlags(); 19351 // only look at grants that are not system/policy fixed 19352 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 19353 final boolean isGranted = state.isGranted(); 19354 // And only back up the user-twiddled state bits 19355 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 19356 final String packageName = mSettings.mPackages.keyAt(i); 19357 if (!pkgGrantsKnown) { 19358 serializer.startTag(null, TAG_GRANT); 19359 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 19360 pkgGrantsKnown = true; 19361 } 19362 19363 final boolean userSet = 19364 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 19365 final boolean userFixed = 19366 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 19367 final boolean revoke = 19368 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 19369 19370 serializer.startTag(null, TAG_PERMISSION); 19371 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 19372 if (isGranted) { 19373 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 19374 } 19375 if (userSet) { 19376 serializer.attribute(null, ATTR_USER_SET, "true"); 19377 } 19378 if (userFixed) { 19379 serializer.attribute(null, ATTR_USER_FIXED, "true"); 19380 } 19381 if (revoke) { 19382 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 19383 } 19384 serializer.endTag(null, TAG_PERMISSION); 19385 } 19386 } 19387 } 19388 19389 if (pkgGrantsKnown) { 19390 serializer.endTag(null, TAG_GRANT); 19391 } 19392 } 19393 19394 serializer.endTag(null, TAG_ALL_GRANTS); 19395 } 19396 19397 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 19398 throws XmlPullParserException, IOException { 19399 String pkgName = null; 19400 int outerDepth = parser.getDepth(); 19401 int type; 19402 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 19403 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 19404 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 19405 continue; 19406 } 19407 19408 final String tagName = parser.getName(); 19409 if (tagName.equals(TAG_GRANT)) { 19410 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 19411 if (DEBUG_BACKUP) { 19412 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 19413 } 19414 } else if (tagName.equals(TAG_PERMISSION)) { 19415 19416 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 19417 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 19418 19419 int newFlagSet = 0; 19420 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 19421 newFlagSet |= FLAG_PERMISSION_USER_SET; 19422 } 19423 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 19424 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 19425 } 19426 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 19427 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 19428 } 19429 if (DEBUG_BACKUP) { 19430 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 19431 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 19432 } 19433 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19434 if (ps != null) { 19435 // Already installed so we apply the grant immediately 19436 if (DEBUG_BACKUP) { 19437 Slog.v(TAG, " + already installed; applying"); 19438 } 19439 PermissionsState perms = ps.getPermissionsState(); 19440 BasePermission bp = mSettings.mPermissions.get(permName); 19441 if (bp != null) { 19442 if (isGranted) { 19443 perms.grantRuntimePermission(bp, userId); 19444 } 19445 if (newFlagSet != 0) { 19446 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 19447 } 19448 } 19449 } else { 19450 // Need to wait for post-restore install to apply the grant 19451 if (DEBUG_BACKUP) { 19452 Slog.v(TAG, " - not yet installed; saving for later"); 19453 } 19454 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 19455 isGranted, newFlagSet, userId); 19456 } 19457 } else { 19458 PackageManagerService.reportSettingsProblem(Log.WARN, 19459 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 19460 XmlUtils.skipCurrentTag(parser); 19461 } 19462 } 19463 19464 scheduleWriteSettingsLocked(); 19465 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 19466 } 19467 19468 @Override 19469 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 19470 int sourceUserId, int targetUserId, int flags) { 19471 mContext.enforceCallingOrSelfPermission( 19472 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19473 int callingUid = Binder.getCallingUid(); 19474 enforceOwnerRights(ownerPackage, callingUid); 19475 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19476 if (intentFilter.countActions() == 0) { 19477 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 19478 return; 19479 } 19480 synchronized (mPackages) { 19481 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 19482 ownerPackage, targetUserId, flags); 19483 CrossProfileIntentResolver resolver = 19484 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19485 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 19486 // We have all those whose filter is equal. Now checking if the rest is equal as well. 19487 if (existing != null) { 19488 int size = existing.size(); 19489 for (int i = 0; i < size; i++) { 19490 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 19491 return; 19492 } 19493 } 19494 } 19495 resolver.addFilter(newFilter); 19496 scheduleWritePackageRestrictionsLocked(sourceUserId); 19497 } 19498 } 19499 19500 @Override 19501 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 19502 mContext.enforceCallingOrSelfPermission( 19503 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19504 int callingUid = Binder.getCallingUid(); 19505 enforceOwnerRights(ownerPackage, callingUid); 19506 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19507 synchronized (mPackages) { 19508 CrossProfileIntentResolver resolver = 19509 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19510 ArraySet<CrossProfileIntentFilter> set = 19511 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 19512 for (CrossProfileIntentFilter filter : set) { 19513 if (filter.getOwnerPackage().equals(ownerPackage)) { 19514 resolver.removeFilter(filter); 19515 } 19516 } 19517 scheduleWritePackageRestrictionsLocked(sourceUserId); 19518 } 19519 } 19520 19521 // Enforcing that callingUid is owning pkg on userId 19522 private void enforceOwnerRights(String pkg, int callingUid) { 19523 // The system owns everything. 19524 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 19525 return; 19526 } 19527 int callingUserId = UserHandle.getUserId(callingUid); 19528 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 19529 if (pi == null) { 19530 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 19531 + callingUserId); 19532 } 19533 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 19534 throw new SecurityException("Calling uid " + callingUid 19535 + " does not own package " + pkg); 19536 } 19537 } 19538 19539 @Override 19540 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 19541 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 19542 } 19543 19544 /** 19545 * Report the 'Home' activity which is currently set as "always use this one". If non is set 19546 * then reports the most likely home activity or null if there are more than one. 19547 */ 19548 public ComponentName getDefaultHomeActivity(int userId) { 19549 List<ResolveInfo> allHomeCandidates = new ArrayList<>(); 19550 ComponentName cn = getHomeActivitiesAsUser(allHomeCandidates, userId); 19551 if (cn != null) { 19552 return cn; 19553 } 19554 19555 // Find the launcher with the highest priority and return that component if there are no 19556 // other home activity with the same priority. 19557 int lastPriority = Integer.MIN_VALUE; 19558 ComponentName lastComponent = null; 19559 final int size = allHomeCandidates.size(); 19560 for (int i = 0; i < size; i++) { 19561 final ResolveInfo ri = allHomeCandidates.get(i); 19562 if (ri.priority > lastPriority) { 19563 lastComponent = ri.activityInfo.getComponentName(); 19564 lastPriority = ri.priority; 19565 } else if (ri.priority == lastPriority) { 19566 // Two components found with same priority. 19567 lastComponent = null; 19568 } 19569 } 19570 return lastComponent; 19571 } 19572 19573 private Intent getHomeIntent() { 19574 Intent intent = new Intent(Intent.ACTION_MAIN); 19575 intent.addCategory(Intent.CATEGORY_HOME); 19576 intent.addCategory(Intent.CATEGORY_DEFAULT); 19577 return intent; 19578 } 19579 19580 private IntentFilter getHomeFilter() { 19581 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 19582 filter.addCategory(Intent.CATEGORY_HOME); 19583 filter.addCategory(Intent.CATEGORY_DEFAULT); 19584 return filter; 19585 } 19586 19587 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19588 int userId) { 19589 Intent intent = getHomeIntent(); 19590 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 19591 PackageManager.GET_META_DATA, userId); 19592 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 19593 true, false, false, userId); 19594 19595 allHomeCandidates.clear(); 19596 if (list != null) { 19597 for (ResolveInfo ri : list) { 19598 allHomeCandidates.add(ri); 19599 } 19600 } 19601 return (preferred == null || preferred.activityInfo == null) 19602 ? null 19603 : new ComponentName(preferred.activityInfo.packageName, 19604 preferred.activityInfo.name); 19605 } 19606 19607 @Override 19608 public void setHomeActivity(ComponentName comp, int userId) { 19609 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 19610 getHomeActivitiesAsUser(homeActivities, userId); 19611 19612 boolean found = false; 19613 19614 final int size = homeActivities.size(); 19615 final ComponentName[] set = new ComponentName[size]; 19616 for (int i = 0; i < size; i++) { 19617 final ResolveInfo candidate = homeActivities.get(i); 19618 final ActivityInfo info = candidate.activityInfo; 19619 final ComponentName activityName = new ComponentName(info.packageName, info.name); 19620 set[i] = activityName; 19621 if (!found && activityName.equals(comp)) { 19622 found = true; 19623 } 19624 } 19625 if (!found) { 19626 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 19627 + userId); 19628 } 19629 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 19630 set, comp, userId); 19631 } 19632 19633 private @Nullable String getSetupWizardPackageName() { 19634 final Intent intent = new Intent(Intent.ACTION_MAIN); 19635 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 19636 19637 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19638 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19639 | MATCH_DISABLED_COMPONENTS, 19640 UserHandle.myUserId()); 19641 if (matches.size() == 1) { 19642 return matches.get(0).getComponentInfo().packageName; 19643 } else { 19644 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 19645 + ": matches=" + matches); 19646 return null; 19647 } 19648 } 19649 19650 private @Nullable String getStorageManagerPackageName() { 19651 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 19652 19653 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19654 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19655 | MATCH_DISABLED_COMPONENTS, 19656 UserHandle.myUserId()); 19657 if (matches.size() == 1) { 19658 return matches.get(0).getComponentInfo().packageName; 19659 } else { 19660 Slog.e(TAG, "There should probably be exactly one storage manager; found " 19661 + matches.size() + ": matches=" + matches); 19662 return null; 19663 } 19664 } 19665 19666 @Override 19667 public void setApplicationEnabledSetting(String appPackageName, 19668 int newState, int flags, int userId, String callingPackage) { 19669 if (!sUserManager.exists(userId)) return; 19670 if (callingPackage == null) { 19671 callingPackage = Integer.toString(Binder.getCallingUid()); 19672 } 19673 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 19674 } 19675 19676 @Override 19677 public void setComponentEnabledSetting(ComponentName componentName, 19678 int newState, int flags, int userId) { 19679 if (!sUserManager.exists(userId)) return; 19680 setEnabledSetting(componentName.getPackageName(), 19681 componentName.getClassName(), newState, flags, userId, null); 19682 } 19683 19684 private void setEnabledSetting(final String packageName, String className, int newState, 19685 final int flags, int userId, String callingPackage) { 19686 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 19687 || newState == COMPONENT_ENABLED_STATE_ENABLED 19688 || newState == COMPONENT_ENABLED_STATE_DISABLED 19689 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19690 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 19691 throw new IllegalArgumentException("Invalid new component state: " 19692 + newState); 19693 } 19694 PackageSetting pkgSetting; 19695 final int uid = Binder.getCallingUid(); 19696 final int permission; 19697 if (uid == Process.SYSTEM_UID) { 19698 permission = PackageManager.PERMISSION_GRANTED; 19699 } else { 19700 permission = mContext.checkCallingOrSelfPermission( 19701 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19702 } 19703 enforceCrossUserPermission(uid, userId, 19704 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 19705 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19706 boolean sendNow = false; 19707 boolean isApp = (className == null); 19708 String componentName = isApp ? packageName : className; 19709 int packageUid = -1; 19710 ArrayList<String> components; 19711 19712 // writer 19713 synchronized (mPackages) { 19714 pkgSetting = mSettings.mPackages.get(packageName); 19715 if (pkgSetting == null) { 19716 if (className == null) { 19717 throw new IllegalArgumentException("Unknown package: " + packageName); 19718 } 19719 throw new IllegalArgumentException( 19720 "Unknown component: " + packageName + "/" + className); 19721 } 19722 } 19723 19724 // Limit who can change which apps 19725 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 19726 // Don't allow apps that don't have permission to modify other apps 19727 if (!allowedByPermission) { 19728 throw new SecurityException( 19729 "Permission Denial: attempt to change component state from pid=" 19730 + Binder.getCallingPid() 19731 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 19732 } 19733 // Don't allow changing protected packages. 19734 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 19735 throw new SecurityException("Cannot disable a protected package: " + packageName); 19736 } 19737 } 19738 19739 synchronized (mPackages) { 19740 if (uid == Process.SHELL_UID 19741 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 19742 // Shell can only change whole packages between ENABLED and DISABLED_USER states 19743 // unless it is a test package. 19744 int oldState = pkgSetting.getEnabled(userId); 19745 if (className == null 19746 && 19747 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 19748 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 19749 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 19750 && 19751 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19752 || newState == COMPONENT_ENABLED_STATE_DEFAULT 19753 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 19754 // ok 19755 } else { 19756 throw new SecurityException( 19757 "Shell cannot change component state for " + packageName + "/" 19758 + className + " to " + newState); 19759 } 19760 } 19761 if (className == null) { 19762 // We're dealing with an application/package level state change 19763 if (pkgSetting.getEnabled(userId) == newState) { 19764 // Nothing to do 19765 return; 19766 } 19767 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 19768 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 19769 // Don't care about who enables an app. 19770 callingPackage = null; 19771 } 19772 pkgSetting.setEnabled(newState, userId, callingPackage); 19773 // pkgSetting.pkg.mSetEnabled = newState; 19774 } else { 19775 // We're dealing with a component level state change 19776 // First, verify that this is a valid class name. 19777 PackageParser.Package pkg = pkgSetting.pkg; 19778 if (pkg == null || !pkg.hasComponentClassName(className)) { 19779 if (pkg != null && 19780 pkg.applicationInfo.targetSdkVersion >= 19781 Build.VERSION_CODES.JELLY_BEAN) { 19782 throw new IllegalArgumentException("Component class " + className 19783 + " does not exist in " + packageName); 19784 } else { 19785 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 19786 + className + " does not exist in " + packageName); 19787 } 19788 } 19789 switch (newState) { 19790 case COMPONENT_ENABLED_STATE_ENABLED: 19791 if (!pkgSetting.enableComponentLPw(className, userId)) { 19792 return; 19793 } 19794 break; 19795 case COMPONENT_ENABLED_STATE_DISABLED: 19796 if (!pkgSetting.disableComponentLPw(className, userId)) { 19797 return; 19798 } 19799 break; 19800 case COMPONENT_ENABLED_STATE_DEFAULT: 19801 if (!pkgSetting.restoreComponentLPw(className, userId)) { 19802 return; 19803 } 19804 break; 19805 default: 19806 Slog.e(TAG, "Invalid new component state: " + newState); 19807 return; 19808 } 19809 } 19810 scheduleWritePackageRestrictionsLocked(userId); 19811 updateSequenceNumberLP(packageName, new int[] { userId }); 19812 components = mPendingBroadcasts.get(userId, packageName); 19813 final boolean newPackage = components == null; 19814 if (newPackage) { 19815 components = new ArrayList<String>(); 19816 } 19817 if (!components.contains(componentName)) { 19818 components.add(componentName); 19819 } 19820 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 19821 sendNow = true; 19822 // Purge entry from pending broadcast list if another one exists already 19823 // since we are sending one right away. 19824 mPendingBroadcasts.remove(userId, packageName); 19825 } else { 19826 if (newPackage) { 19827 mPendingBroadcasts.put(userId, packageName, components); 19828 } 19829 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 19830 // Schedule a message 19831 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 19832 } 19833 } 19834 } 19835 19836 long callingId = Binder.clearCallingIdentity(); 19837 try { 19838 if (sendNow) { 19839 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 19840 sendPackageChangedBroadcast(packageName, 19841 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 19842 } 19843 } finally { 19844 Binder.restoreCallingIdentity(callingId); 19845 } 19846 } 19847 19848 @Override 19849 public void flushPackageRestrictionsAsUser(int userId) { 19850 if (!sUserManager.exists(userId)) { 19851 return; 19852 } 19853 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 19854 false /* checkShell */, "flushPackageRestrictions"); 19855 synchronized (mPackages) { 19856 mSettings.writePackageRestrictionsLPr(userId); 19857 mDirtyUsers.remove(userId); 19858 if (mDirtyUsers.isEmpty()) { 19859 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 19860 } 19861 } 19862 } 19863 19864 private void sendPackageChangedBroadcast(String packageName, 19865 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 19866 if (DEBUG_INSTALL) 19867 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 19868 + componentNames); 19869 Bundle extras = new Bundle(4); 19870 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 19871 String nameList[] = new String[componentNames.size()]; 19872 componentNames.toArray(nameList); 19873 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 19874 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 19875 extras.putInt(Intent.EXTRA_UID, packageUid); 19876 // If this is not reporting a change of the overall package, then only send it 19877 // to registered receivers. We don't want to launch a swath of apps for every 19878 // little component state change. 19879 final int flags = !componentNames.contains(packageName) 19880 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 19881 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 19882 new int[] {UserHandle.getUserId(packageUid)}); 19883 } 19884 19885 @Override 19886 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 19887 if (!sUserManager.exists(userId)) return; 19888 final int uid = Binder.getCallingUid(); 19889 final int permission = mContext.checkCallingOrSelfPermission( 19890 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19891 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19892 enforceCrossUserPermission(uid, userId, 19893 true /* requireFullPermission */, true /* checkShell */, "stop package"); 19894 // writer 19895 synchronized (mPackages) { 19896 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 19897 allowedByPermission, uid, userId)) { 19898 scheduleWritePackageRestrictionsLocked(userId); 19899 } 19900 } 19901 } 19902 19903 @Override 19904 public String getInstallerPackageName(String packageName) { 19905 // reader 19906 synchronized (mPackages) { 19907 return mSettings.getInstallerPackageNameLPr(packageName); 19908 } 19909 } 19910 19911 public boolean isOrphaned(String packageName) { 19912 // reader 19913 synchronized (mPackages) { 19914 return mSettings.isOrphaned(packageName); 19915 } 19916 } 19917 19918 @Override 19919 public int getApplicationEnabledSetting(String packageName, int userId) { 19920 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19921 int uid = Binder.getCallingUid(); 19922 enforceCrossUserPermission(uid, userId, 19923 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 19924 // reader 19925 synchronized (mPackages) { 19926 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 19927 } 19928 } 19929 19930 @Override 19931 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 19932 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19933 int uid = Binder.getCallingUid(); 19934 enforceCrossUserPermission(uid, userId, 19935 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 19936 // reader 19937 synchronized (mPackages) { 19938 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 19939 } 19940 } 19941 19942 @Override 19943 public void enterSafeMode() { 19944 enforceSystemOrRoot("Only the system can request entering safe mode"); 19945 19946 if (!mSystemReady) { 19947 mSafeMode = true; 19948 } 19949 } 19950 19951 @Override 19952 public void systemReady() { 19953 mSystemReady = true; 19954 19955 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 19956 // disabled after already being started. 19957 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 19958 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 19959 19960 // Read the compatibilty setting when the system is ready. 19961 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 19962 mContext.getContentResolver(), 19963 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 19964 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 19965 if (DEBUG_SETTINGS) { 19966 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 19967 } 19968 19969 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 19970 19971 synchronized (mPackages) { 19972 // Verify that all of the preferred activity components actually 19973 // exist. It is possible for applications to be updated and at 19974 // that point remove a previously declared activity component that 19975 // had been set as a preferred activity. We try to clean this up 19976 // the next time we encounter that preferred activity, but it is 19977 // possible for the user flow to never be able to return to that 19978 // situation so here we do a sanity check to make sure we haven't 19979 // left any junk around. 19980 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 19981 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 19982 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 19983 removed.clear(); 19984 for (PreferredActivity pa : pir.filterSet()) { 19985 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 19986 removed.add(pa); 19987 } 19988 } 19989 if (removed.size() > 0) { 19990 for (int r=0; r<removed.size(); r++) { 19991 PreferredActivity pa = removed.get(r); 19992 Slog.w(TAG, "Removing dangling preferred activity: " 19993 + pa.mPref.mComponent); 19994 pir.removeFilter(pa); 19995 } 19996 mSettings.writePackageRestrictionsLPr( 19997 mSettings.mPreferredActivities.keyAt(i)); 19998 } 19999 } 20000 20001 for (int userId : UserManagerService.getInstance().getUserIds()) { 20002 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20003 grantPermissionsUserIds = ArrayUtils.appendInt( 20004 grantPermissionsUserIds, userId); 20005 } 20006 } 20007 } 20008 sUserManager.systemReady(); 20009 20010 // If we upgraded grant all default permissions before kicking off. 20011 for (int userId : grantPermissionsUserIds) { 20012 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20013 } 20014 20015 // If we did not grant default permissions, we preload from this the 20016 // default permission exceptions lazily to ensure we don't hit the 20017 // disk on a new user creation. 20018 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 20019 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 20020 } 20021 20022 // Kick off any messages waiting for system ready 20023 if (mPostSystemReadyMessages != null) { 20024 for (Message msg : mPostSystemReadyMessages) { 20025 msg.sendToTarget(); 20026 } 20027 mPostSystemReadyMessages = null; 20028 } 20029 20030 // Watch for external volumes that come and go over time 20031 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20032 storage.registerListener(mStorageListener); 20033 20034 mInstallerService.systemReady(); 20035 mPackageDexOptimizer.systemReady(); 20036 20037 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 20038 StorageManagerInternal.class); 20039 StorageManagerInternal.addExternalStoragePolicy( 20040 new StorageManagerInternal.ExternalStorageMountPolicy() { 20041 @Override 20042 public int getMountMode(int uid, String packageName) { 20043 if (Process.isIsolated(uid)) { 20044 return Zygote.MOUNT_EXTERNAL_NONE; 20045 } 20046 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 20047 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20048 } 20049 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20050 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20051 } 20052 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20053 return Zygote.MOUNT_EXTERNAL_READ; 20054 } 20055 return Zygote.MOUNT_EXTERNAL_WRITE; 20056 } 20057 20058 @Override 20059 public boolean hasExternalStorage(int uid, String packageName) { 20060 return true; 20061 } 20062 }); 20063 20064 // Now that we're mostly running, clean up stale users and apps 20065 sUserManager.reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 20066 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 20067 20068 if (mPrivappPermissionsViolations != null) { 20069 Slog.wtf(TAG,"Signature|privileged permissions not in " 20070 + "privapp-permissions whitelist: " + mPrivappPermissionsViolations); 20071 mPrivappPermissionsViolations = null; 20072 } 20073 } 20074 20075 public void waitForAppDataPrepared() { 20076 if (mPrepareAppDataFuture == null) { 20077 return; 20078 } 20079 ConcurrentUtils.waitForFutureNoInterrupt(mPrepareAppDataFuture, "wait for prepareAppData"); 20080 mPrepareAppDataFuture = null; 20081 } 20082 20083 @Override 20084 public boolean isSafeMode() { 20085 return mSafeMode; 20086 } 20087 20088 @Override 20089 public boolean hasSystemUidErrors() { 20090 return mHasSystemUidErrors; 20091 } 20092 20093 static String arrayToString(int[] array) { 20094 StringBuffer buf = new StringBuffer(128); 20095 buf.append('['); 20096 if (array != null) { 20097 for (int i=0; i<array.length; i++) { 20098 if (i > 0) buf.append(", "); 20099 buf.append(array[i]); 20100 } 20101 } 20102 buf.append(']'); 20103 return buf.toString(); 20104 } 20105 20106 static class DumpState { 20107 public static final int DUMP_LIBS = 1 << 0; 20108 public static final int DUMP_FEATURES = 1 << 1; 20109 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 20110 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 20111 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 20112 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 20113 public static final int DUMP_PERMISSIONS = 1 << 6; 20114 public static final int DUMP_PACKAGES = 1 << 7; 20115 public static final int DUMP_SHARED_USERS = 1 << 8; 20116 public static final int DUMP_MESSAGES = 1 << 9; 20117 public static final int DUMP_PROVIDERS = 1 << 10; 20118 public static final int DUMP_VERIFIERS = 1 << 11; 20119 public static final int DUMP_PREFERRED = 1 << 12; 20120 public static final int DUMP_PREFERRED_XML = 1 << 13; 20121 public static final int DUMP_KEYSETS = 1 << 14; 20122 public static final int DUMP_VERSION = 1 << 15; 20123 public static final int DUMP_INSTALLS = 1 << 16; 20124 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 20125 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 20126 public static final int DUMP_FROZEN = 1 << 19; 20127 public static final int DUMP_DEXOPT = 1 << 20; 20128 public static final int DUMP_COMPILER_STATS = 1 << 21; 20129 public static final int DUMP_ENABLED_OVERLAYS = 1 << 22; 20130 20131 public static final int OPTION_SHOW_FILTERS = 1 << 0; 20132 20133 private int mTypes; 20134 20135 private int mOptions; 20136 20137 private boolean mTitlePrinted; 20138 20139 private SharedUserSetting mSharedUser; 20140 20141 public boolean isDumping(int type) { 20142 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 20143 return true; 20144 } 20145 20146 return (mTypes & type) != 0; 20147 } 20148 20149 public void setDump(int type) { 20150 mTypes |= type; 20151 } 20152 20153 public boolean isOptionEnabled(int option) { 20154 return (mOptions & option) != 0; 20155 } 20156 20157 public void setOptionEnabled(int option) { 20158 mOptions |= option; 20159 } 20160 20161 public boolean onTitlePrinted() { 20162 final boolean printed = mTitlePrinted; 20163 mTitlePrinted = true; 20164 return printed; 20165 } 20166 20167 public boolean getTitlePrinted() { 20168 return mTitlePrinted; 20169 } 20170 20171 public void setTitlePrinted(boolean enabled) { 20172 mTitlePrinted = enabled; 20173 } 20174 20175 public SharedUserSetting getSharedUser() { 20176 return mSharedUser; 20177 } 20178 20179 public void setSharedUser(SharedUserSetting user) { 20180 mSharedUser = user; 20181 } 20182 } 20183 20184 @Override 20185 public void onShellCommand(FileDescriptor in, FileDescriptor out, 20186 FileDescriptor err, String[] args, ShellCallback callback, 20187 ResultReceiver resultReceiver) { 20188 (new PackageManagerShellCommand(this)).exec( 20189 this, in, out, err, args, callback, resultReceiver); 20190 } 20191 20192 @Override 20193 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 20194 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 20195 != PackageManager.PERMISSION_GRANTED) { 20196 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 20197 + Binder.getCallingPid() 20198 + ", uid=" + Binder.getCallingUid() 20199 + " without permission " 20200 + android.Manifest.permission.DUMP); 20201 return; 20202 } 20203 20204 DumpState dumpState = new DumpState(); 20205 boolean fullPreferred = false; 20206 boolean checkin = false; 20207 20208 String packageName = null; 20209 ArraySet<String> permissionNames = null; 20210 20211 int opti = 0; 20212 while (opti < args.length) { 20213 String opt = args[opti]; 20214 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 20215 break; 20216 } 20217 opti++; 20218 20219 if ("-a".equals(opt)) { 20220 // Right now we only know how to print all. 20221 } else if ("-h".equals(opt)) { 20222 pw.println("Package manager dump options:"); 20223 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 20224 pw.println(" --checkin: dump for a checkin"); 20225 pw.println(" -f: print details of intent filters"); 20226 pw.println(" -h: print this help"); 20227 pw.println(" cmd may be one of:"); 20228 pw.println(" l[ibraries]: list known shared libraries"); 20229 pw.println(" f[eatures]: list device features"); 20230 pw.println(" k[eysets]: print known keysets"); 20231 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 20232 pw.println(" perm[issions]: dump permissions"); 20233 pw.println(" permission [name ...]: dump declaration and use of given permission"); 20234 pw.println(" pref[erred]: print preferred package settings"); 20235 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 20236 pw.println(" prov[iders]: dump content providers"); 20237 pw.println(" p[ackages]: dump installed packages"); 20238 pw.println(" s[hared-users]: dump shared user IDs"); 20239 pw.println(" m[essages]: print collected runtime messages"); 20240 pw.println(" v[erifiers]: print package verifier info"); 20241 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 20242 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 20243 pw.println(" version: print database version info"); 20244 pw.println(" write: write current settings now"); 20245 pw.println(" installs: details about install sessions"); 20246 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 20247 pw.println(" dexopt: dump dexopt state"); 20248 pw.println(" compiler-stats: dump compiler statistics"); 20249 pw.println(" enabled-overlays: dump list of enabled overlay packages"); 20250 pw.println(" <package.name>: info about given package"); 20251 return; 20252 } else if ("--checkin".equals(opt)) { 20253 checkin = true; 20254 } else if ("-f".equals(opt)) { 20255 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20256 } else if ("--proto".equals(opt)) { 20257 dumpProto(fd); 20258 return; 20259 } else { 20260 pw.println("Unknown argument: " + opt + "; use -h for help"); 20261 } 20262 } 20263 20264 // Is the caller requesting to dump a particular piece of data? 20265 if (opti < args.length) { 20266 String cmd = args[opti]; 20267 opti++; 20268 // Is this a package name? 20269 if ("android".equals(cmd) || cmd.contains(".")) { 20270 packageName = cmd; 20271 // When dumping a single package, we always dump all of its 20272 // filter information since the amount of data will be reasonable. 20273 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20274 } else if ("check-permission".equals(cmd)) { 20275 if (opti >= args.length) { 20276 pw.println("Error: check-permission missing permission argument"); 20277 return; 20278 } 20279 String perm = args[opti]; 20280 opti++; 20281 if (opti >= args.length) { 20282 pw.println("Error: check-permission missing package argument"); 20283 return; 20284 } 20285 20286 String pkg = args[opti]; 20287 opti++; 20288 int user = UserHandle.getUserId(Binder.getCallingUid()); 20289 if (opti < args.length) { 20290 try { 20291 user = Integer.parseInt(args[opti]); 20292 } catch (NumberFormatException e) { 20293 pw.println("Error: check-permission user argument is not a number: " 20294 + args[opti]); 20295 return; 20296 } 20297 } 20298 20299 // Normalize package name to handle renamed packages and static libs 20300 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 20301 20302 pw.println(checkPermission(perm, pkg, user)); 20303 return; 20304 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 20305 dumpState.setDump(DumpState.DUMP_LIBS); 20306 } else if ("f".equals(cmd) || "features".equals(cmd)) { 20307 dumpState.setDump(DumpState.DUMP_FEATURES); 20308 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 20309 if (opti >= args.length) { 20310 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 20311 | DumpState.DUMP_SERVICE_RESOLVERS 20312 | DumpState.DUMP_RECEIVER_RESOLVERS 20313 | DumpState.DUMP_CONTENT_RESOLVERS); 20314 } else { 20315 while (opti < args.length) { 20316 String name = args[opti]; 20317 if ("a".equals(name) || "activity".equals(name)) { 20318 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 20319 } else if ("s".equals(name) || "service".equals(name)) { 20320 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 20321 } else if ("r".equals(name) || "receiver".equals(name)) { 20322 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 20323 } else if ("c".equals(name) || "content".equals(name)) { 20324 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 20325 } else { 20326 pw.println("Error: unknown resolver table type: " + name); 20327 return; 20328 } 20329 opti++; 20330 } 20331 } 20332 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 20333 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 20334 } else if ("permission".equals(cmd)) { 20335 if (opti >= args.length) { 20336 pw.println("Error: permission requires permission name"); 20337 return; 20338 } 20339 permissionNames = new ArraySet<>(); 20340 while (opti < args.length) { 20341 permissionNames.add(args[opti]); 20342 opti++; 20343 } 20344 dumpState.setDump(DumpState.DUMP_PERMISSIONS 20345 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 20346 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 20347 dumpState.setDump(DumpState.DUMP_PREFERRED); 20348 } else if ("preferred-xml".equals(cmd)) { 20349 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 20350 if (opti < args.length && "--full".equals(args[opti])) { 20351 fullPreferred = true; 20352 opti++; 20353 } 20354 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 20355 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 20356 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 20357 dumpState.setDump(DumpState.DUMP_PACKAGES); 20358 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 20359 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 20360 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 20361 dumpState.setDump(DumpState.DUMP_PROVIDERS); 20362 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 20363 dumpState.setDump(DumpState.DUMP_MESSAGES); 20364 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 20365 dumpState.setDump(DumpState.DUMP_VERIFIERS); 20366 } else if ("i".equals(cmd) || "ifv".equals(cmd) 20367 || "intent-filter-verifiers".equals(cmd)) { 20368 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 20369 } else if ("version".equals(cmd)) { 20370 dumpState.setDump(DumpState.DUMP_VERSION); 20371 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 20372 dumpState.setDump(DumpState.DUMP_KEYSETS); 20373 } else if ("installs".equals(cmd)) { 20374 dumpState.setDump(DumpState.DUMP_INSTALLS); 20375 } else if ("frozen".equals(cmd)) { 20376 dumpState.setDump(DumpState.DUMP_FROZEN); 20377 } else if ("dexopt".equals(cmd)) { 20378 dumpState.setDump(DumpState.DUMP_DEXOPT); 20379 } else if ("compiler-stats".equals(cmd)) { 20380 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 20381 } else if ("enabled-overlays".equals(cmd)) { 20382 dumpState.setDump(DumpState.DUMP_ENABLED_OVERLAYS); 20383 } else if ("write".equals(cmd)) { 20384 synchronized (mPackages) { 20385 mSettings.writeLPr(); 20386 pw.println("Settings written."); 20387 return; 20388 } 20389 } 20390 } 20391 20392 if (checkin) { 20393 pw.println("vers,1"); 20394 } 20395 20396 // reader 20397 synchronized (mPackages) { 20398 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 20399 if (!checkin) { 20400 if (dumpState.onTitlePrinted()) 20401 pw.println(); 20402 pw.println("Database versions:"); 20403 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 20404 } 20405 } 20406 20407 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 20408 if (!checkin) { 20409 if (dumpState.onTitlePrinted()) 20410 pw.println(); 20411 pw.println("Verifiers:"); 20412 pw.print(" Required: "); 20413 pw.print(mRequiredVerifierPackage); 20414 pw.print(" (uid="); 20415 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20416 UserHandle.USER_SYSTEM)); 20417 pw.println(")"); 20418 } else if (mRequiredVerifierPackage != null) { 20419 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 20420 pw.print(","); 20421 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20422 UserHandle.USER_SYSTEM)); 20423 } 20424 } 20425 20426 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 20427 packageName == null) { 20428 if (mIntentFilterVerifierComponent != null) { 20429 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20430 if (!checkin) { 20431 if (dumpState.onTitlePrinted()) 20432 pw.println(); 20433 pw.println("Intent Filter Verifier:"); 20434 pw.print(" Using: "); 20435 pw.print(verifierPackageName); 20436 pw.print(" (uid="); 20437 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20438 UserHandle.USER_SYSTEM)); 20439 pw.println(")"); 20440 } else if (verifierPackageName != null) { 20441 pw.print("ifv,"); pw.print(verifierPackageName); 20442 pw.print(","); 20443 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20444 UserHandle.USER_SYSTEM)); 20445 } 20446 } else { 20447 pw.println(); 20448 pw.println("No Intent Filter Verifier available!"); 20449 } 20450 } 20451 20452 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 20453 boolean printedHeader = false; 20454 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 20455 while (it.hasNext()) { 20456 String libName = it.next(); 20457 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20458 if (versionedLib == null) { 20459 continue; 20460 } 20461 final int versionCount = versionedLib.size(); 20462 for (int i = 0; i < versionCount; i++) { 20463 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 20464 if (!checkin) { 20465 if (!printedHeader) { 20466 if (dumpState.onTitlePrinted()) 20467 pw.println(); 20468 pw.println("Libraries:"); 20469 printedHeader = true; 20470 } 20471 pw.print(" "); 20472 } else { 20473 pw.print("lib,"); 20474 } 20475 pw.print(libEntry.info.getName()); 20476 if (libEntry.info.isStatic()) { 20477 pw.print(" version=" + libEntry.info.getVersion()); 20478 } 20479 if (!checkin) { 20480 pw.print(" -> "); 20481 } 20482 if (libEntry.path != null) { 20483 pw.print(" (jar) "); 20484 pw.print(libEntry.path); 20485 } else { 20486 pw.print(" (apk) "); 20487 pw.print(libEntry.apk); 20488 } 20489 pw.println(); 20490 } 20491 } 20492 } 20493 20494 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 20495 if (dumpState.onTitlePrinted()) 20496 pw.println(); 20497 if (!checkin) { 20498 pw.println("Features:"); 20499 } 20500 20501 synchronized (mAvailableFeatures) { 20502 for (FeatureInfo feat : mAvailableFeatures.values()) { 20503 if (checkin) { 20504 pw.print("feat,"); 20505 pw.print(feat.name); 20506 pw.print(","); 20507 pw.println(feat.version); 20508 } else { 20509 pw.print(" "); 20510 pw.print(feat.name); 20511 if (feat.version > 0) { 20512 pw.print(" version="); 20513 pw.print(feat.version); 20514 } 20515 pw.println(); 20516 } 20517 } 20518 } 20519 } 20520 20521 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 20522 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 20523 : "Activity Resolver Table:", " ", packageName, 20524 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20525 dumpState.setTitlePrinted(true); 20526 } 20527 } 20528 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 20529 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 20530 : "Receiver Resolver Table:", " ", packageName, 20531 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20532 dumpState.setTitlePrinted(true); 20533 } 20534 } 20535 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 20536 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 20537 : "Service Resolver Table:", " ", packageName, 20538 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20539 dumpState.setTitlePrinted(true); 20540 } 20541 } 20542 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 20543 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 20544 : "Provider Resolver Table:", " ", packageName, 20545 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20546 dumpState.setTitlePrinted(true); 20547 } 20548 } 20549 20550 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 20551 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20552 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20553 int user = mSettings.mPreferredActivities.keyAt(i); 20554 if (pir.dump(pw, 20555 dumpState.getTitlePrinted() 20556 ? "\nPreferred Activities User " + user + ":" 20557 : "Preferred Activities User " + user + ":", " ", 20558 packageName, true, false)) { 20559 dumpState.setTitlePrinted(true); 20560 } 20561 } 20562 } 20563 20564 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 20565 pw.flush(); 20566 FileOutputStream fout = new FileOutputStream(fd); 20567 BufferedOutputStream str = new BufferedOutputStream(fout); 20568 XmlSerializer serializer = new FastXmlSerializer(); 20569 try { 20570 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 20571 serializer.startDocument(null, true); 20572 serializer.setFeature( 20573 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 20574 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 20575 serializer.endDocument(); 20576 serializer.flush(); 20577 } catch (IllegalArgumentException e) { 20578 pw.println("Failed writing: " + e); 20579 } catch (IllegalStateException e) { 20580 pw.println("Failed writing: " + e); 20581 } catch (IOException e) { 20582 pw.println("Failed writing: " + e); 20583 } 20584 } 20585 20586 if (!checkin 20587 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 20588 && packageName == null) { 20589 pw.println(); 20590 int count = mSettings.mPackages.size(); 20591 if (count == 0) { 20592 pw.println("No applications!"); 20593 pw.println(); 20594 } else { 20595 final String prefix = " "; 20596 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 20597 if (allPackageSettings.size() == 0) { 20598 pw.println("No domain preferred apps!"); 20599 pw.println(); 20600 } else { 20601 pw.println("App verification status:"); 20602 pw.println(); 20603 count = 0; 20604 for (PackageSetting ps : allPackageSettings) { 20605 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 20606 if (ivi == null || ivi.getPackageName() == null) continue; 20607 pw.println(prefix + "Package: " + ivi.getPackageName()); 20608 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 20609 pw.println(prefix + "Status: " + ivi.getStatusString()); 20610 pw.println(); 20611 count++; 20612 } 20613 if (count == 0) { 20614 pw.println(prefix + "No app verification established."); 20615 pw.println(); 20616 } 20617 for (int userId : sUserManager.getUserIds()) { 20618 pw.println("App linkages for user " + userId + ":"); 20619 pw.println(); 20620 count = 0; 20621 for (PackageSetting ps : allPackageSettings) { 20622 final long status = ps.getDomainVerificationStatusForUser(userId); 20623 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 20624 && !DEBUG_DOMAIN_VERIFICATION) { 20625 continue; 20626 } 20627 pw.println(prefix + "Package: " + ps.name); 20628 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 20629 String statusStr = IntentFilterVerificationInfo. 20630 getStatusStringFromValue(status); 20631 pw.println(prefix + "Status: " + statusStr); 20632 pw.println(); 20633 count++; 20634 } 20635 if (count == 0) { 20636 pw.println(prefix + "No configured app linkages."); 20637 pw.println(); 20638 } 20639 } 20640 } 20641 } 20642 } 20643 20644 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 20645 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 20646 if (packageName == null && permissionNames == null) { 20647 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 20648 if (iperm == 0) { 20649 if (dumpState.onTitlePrinted()) 20650 pw.println(); 20651 pw.println("AppOp Permissions:"); 20652 } 20653 pw.print(" AppOp Permission "); 20654 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 20655 pw.println(":"); 20656 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 20657 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 20658 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 20659 } 20660 } 20661 } 20662 } 20663 20664 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 20665 boolean printedSomething = false; 20666 for (PackageParser.Provider p : mProviders.mProviders.values()) { 20667 if (packageName != null && !packageName.equals(p.info.packageName)) { 20668 continue; 20669 } 20670 if (!printedSomething) { 20671 if (dumpState.onTitlePrinted()) 20672 pw.println(); 20673 pw.println("Registered ContentProviders:"); 20674 printedSomething = true; 20675 } 20676 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 20677 pw.print(" "); pw.println(p.toString()); 20678 } 20679 printedSomething = false; 20680 for (Map.Entry<String, PackageParser.Provider> entry : 20681 mProvidersByAuthority.entrySet()) { 20682 PackageParser.Provider p = entry.getValue(); 20683 if (packageName != null && !packageName.equals(p.info.packageName)) { 20684 continue; 20685 } 20686 if (!printedSomething) { 20687 if (dumpState.onTitlePrinted()) 20688 pw.println(); 20689 pw.println("ContentProvider Authorities:"); 20690 printedSomething = true; 20691 } 20692 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 20693 pw.print(" "); pw.println(p.toString()); 20694 if (p.info != null && p.info.applicationInfo != null) { 20695 final String appInfo = p.info.applicationInfo.toString(); 20696 pw.print(" applicationInfo="); pw.println(appInfo); 20697 } 20698 } 20699 } 20700 20701 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 20702 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 20703 } 20704 20705 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 20706 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 20707 } 20708 20709 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 20710 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 20711 } 20712 20713 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 20714 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 20715 } 20716 20717 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && 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 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 20722 } 20723 20724 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 20725 // XXX should handle packageName != null by dumping only install data that 20726 // the given package is involved with. 20727 if (dumpState.onTitlePrinted()) pw.println(); 20728 20729 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20730 ipw.println(); 20731 ipw.println("Frozen packages:"); 20732 ipw.increaseIndent(); 20733 if (mFrozenPackages.size() == 0) { 20734 ipw.println("(none)"); 20735 } else { 20736 for (int i = 0; i < mFrozenPackages.size(); i++) { 20737 ipw.println(mFrozenPackages.valueAt(i)); 20738 } 20739 } 20740 ipw.decreaseIndent(); 20741 } 20742 20743 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 20744 if (dumpState.onTitlePrinted()) pw.println(); 20745 dumpDexoptStateLPr(pw, packageName); 20746 } 20747 20748 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 20749 if (dumpState.onTitlePrinted()) pw.println(); 20750 dumpCompilerStatsLPr(pw, packageName); 20751 } 20752 20753 if (!checkin && dumpState.isDumping(DumpState.DUMP_ENABLED_OVERLAYS)) { 20754 if (dumpState.onTitlePrinted()) pw.println(); 20755 dumpEnabledOverlaysLPr(pw); 20756 } 20757 20758 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 20759 if (dumpState.onTitlePrinted()) pw.println(); 20760 mSettings.dumpReadMessagesLPr(pw, dumpState); 20761 20762 pw.println(); 20763 pw.println("Package warning messages:"); 20764 BufferedReader in = null; 20765 String line = null; 20766 try { 20767 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20768 while ((line = in.readLine()) != null) { 20769 if (line.contains("ignored: updated version")) continue; 20770 pw.println(line); 20771 } 20772 } catch (IOException ignored) { 20773 } finally { 20774 IoUtils.closeQuietly(in); 20775 } 20776 } 20777 20778 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 20779 BufferedReader in = null; 20780 String line = null; 20781 try { 20782 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20783 while ((line = in.readLine()) != null) { 20784 if (line.contains("ignored: updated version")) continue; 20785 pw.print("msg,"); 20786 pw.println(line); 20787 } 20788 } catch (IOException ignored) { 20789 } finally { 20790 IoUtils.closeQuietly(in); 20791 } 20792 } 20793 } 20794 } 20795 20796 private void dumpProto(FileDescriptor fd) { 20797 final ProtoOutputStream proto = new ProtoOutputStream(fd); 20798 20799 synchronized (mPackages) { 20800 final long requiredVerifierPackageToken = 20801 proto.start(PackageServiceDumpProto.REQUIRED_VERIFIER_PACKAGE); 20802 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, mRequiredVerifierPackage); 20803 proto.write( 20804 PackageServiceDumpProto.PackageShortProto.UID, 20805 getPackageUid( 20806 mRequiredVerifierPackage, 20807 MATCH_DEBUG_TRIAGED_MISSING, 20808 UserHandle.USER_SYSTEM)); 20809 proto.end(requiredVerifierPackageToken); 20810 20811 if (mIntentFilterVerifierComponent != null) { 20812 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20813 final long verifierPackageToken = 20814 proto.start(PackageServiceDumpProto.VERIFIER_PACKAGE); 20815 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, verifierPackageName); 20816 proto.write( 20817 PackageServiceDumpProto.PackageShortProto.UID, 20818 getPackageUid( 20819 verifierPackageName, 20820 MATCH_DEBUG_TRIAGED_MISSING, 20821 UserHandle.USER_SYSTEM)); 20822 proto.end(verifierPackageToken); 20823 } 20824 20825 dumpSharedLibrariesProto(proto); 20826 dumpFeaturesProto(proto); 20827 mSettings.dumpPackagesProto(proto); 20828 mSettings.dumpSharedUsersProto(proto); 20829 dumpMessagesProto(proto); 20830 } 20831 proto.flush(); 20832 } 20833 20834 private void dumpMessagesProto(ProtoOutputStream proto) { 20835 BufferedReader in = null; 20836 String line = null; 20837 try { 20838 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20839 while ((line = in.readLine()) != null) { 20840 if (line.contains("ignored: updated version")) continue; 20841 proto.write(PackageServiceDumpProto.MESSAGES, line); 20842 } 20843 } catch (IOException ignored) { 20844 } finally { 20845 IoUtils.closeQuietly(in); 20846 } 20847 } 20848 20849 private void dumpFeaturesProto(ProtoOutputStream proto) { 20850 synchronized (mAvailableFeatures) { 20851 final int count = mAvailableFeatures.size(); 20852 for (int i = 0; i < count; i++) { 20853 final FeatureInfo feat = mAvailableFeatures.valueAt(i); 20854 final long featureToken = proto.start(PackageServiceDumpProto.FEATURES); 20855 proto.write(PackageServiceDumpProto.FeatureProto.NAME, feat.name); 20856 proto.write(PackageServiceDumpProto.FeatureProto.VERSION, feat.version); 20857 proto.end(featureToken); 20858 } 20859 } 20860 } 20861 20862 private void dumpSharedLibrariesProto(ProtoOutputStream proto) { 20863 final int count = mSharedLibraries.size(); 20864 for (int i = 0; i < count; i++) { 20865 final String libName = mSharedLibraries.keyAt(i); 20866 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20867 if (versionedLib == null) { 20868 continue; 20869 } 20870 final int versionCount = versionedLib.size(); 20871 for (int j = 0; j < versionCount; j++) { 20872 final SharedLibraryEntry libEntry = versionedLib.valueAt(j); 20873 final long sharedLibraryToken = 20874 proto.start(PackageServiceDumpProto.SHARED_LIBRARIES); 20875 proto.write(PackageServiceDumpProto.SharedLibraryProto.NAME, libEntry.info.getName()); 20876 final boolean isJar = (libEntry.path != null); 20877 proto.write(PackageServiceDumpProto.SharedLibraryProto.IS_JAR, isJar); 20878 if (isJar) { 20879 proto.write(PackageServiceDumpProto.SharedLibraryProto.PATH, libEntry.path); 20880 } else { 20881 proto.write(PackageServiceDumpProto.SharedLibraryProto.APK, libEntry.apk); 20882 } 20883 proto.end(sharedLibraryToken); 20884 } 20885 } 20886 } 20887 20888 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 20889 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20890 ipw.println(); 20891 ipw.println("Dexopt state:"); 20892 ipw.increaseIndent(); 20893 Collection<PackageParser.Package> packages = null; 20894 if (packageName != null) { 20895 PackageParser.Package targetPackage = mPackages.get(packageName); 20896 if (targetPackage != null) { 20897 packages = Collections.singletonList(targetPackage); 20898 } else { 20899 ipw.println("Unable to find package: " + packageName); 20900 return; 20901 } 20902 } else { 20903 packages = mPackages.values(); 20904 } 20905 20906 for (PackageParser.Package pkg : packages) { 20907 ipw.println("[" + pkg.packageName + "]"); 20908 ipw.increaseIndent(); 20909 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 20910 ipw.decreaseIndent(); 20911 } 20912 } 20913 20914 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 20915 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20916 ipw.println(); 20917 ipw.println("Compiler stats:"); 20918 ipw.increaseIndent(); 20919 Collection<PackageParser.Package> packages = null; 20920 if (packageName != null) { 20921 PackageParser.Package targetPackage = mPackages.get(packageName); 20922 if (targetPackage != null) { 20923 packages = Collections.singletonList(targetPackage); 20924 } else { 20925 ipw.println("Unable to find package: " + packageName); 20926 return; 20927 } 20928 } else { 20929 packages = mPackages.values(); 20930 } 20931 20932 for (PackageParser.Package pkg : packages) { 20933 ipw.println("[" + pkg.packageName + "]"); 20934 ipw.increaseIndent(); 20935 20936 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 20937 if (stats == null) { 20938 ipw.println("(No recorded stats)"); 20939 } else { 20940 stats.dump(ipw); 20941 } 20942 ipw.decreaseIndent(); 20943 } 20944 } 20945 20946 private void dumpEnabledOverlaysLPr(PrintWriter pw) { 20947 pw.println("Enabled overlay paths:"); 20948 final int N = mEnabledOverlayPaths.size(); 20949 for (int i = 0; i < N; i++) { 20950 final int userId = mEnabledOverlayPaths.keyAt(i); 20951 pw.println(String.format(" User %d:", userId)); 20952 final ArrayMap<String, ArrayList<String>> userSpecificOverlays = 20953 mEnabledOverlayPaths.valueAt(i); 20954 final int M = userSpecificOverlays.size(); 20955 for (int j = 0; j < M; j++) { 20956 final String targetPackageName = userSpecificOverlays.keyAt(j); 20957 final ArrayList<String> overlayPackagePaths = userSpecificOverlays.valueAt(j); 20958 pw.println(String.format(" %s: %s", targetPackageName, overlayPackagePaths)); 20959 } 20960 } 20961 } 20962 20963 private String dumpDomainString(String packageName) { 20964 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 20965 .getList(); 20966 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 20967 20968 ArraySet<String> result = new ArraySet<>(); 20969 if (iviList.size() > 0) { 20970 for (IntentFilterVerificationInfo ivi : iviList) { 20971 for (String host : ivi.getDomains()) { 20972 result.add(host); 20973 } 20974 } 20975 } 20976 if (filters != null && filters.size() > 0) { 20977 for (IntentFilter filter : filters) { 20978 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 20979 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 20980 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 20981 result.addAll(filter.getHostsList()); 20982 } 20983 } 20984 } 20985 20986 StringBuilder sb = new StringBuilder(result.size() * 16); 20987 for (String domain : result) { 20988 if (sb.length() > 0) sb.append(" "); 20989 sb.append(domain); 20990 } 20991 return sb.toString(); 20992 } 20993 20994 // ------- apps on sdcard specific code ------- 20995 static final boolean DEBUG_SD_INSTALL = false; 20996 20997 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 20998 20999 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 21000 21001 private boolean mMediaMounted = false; 21002 21003 static String getEncryptKey() { 21004 try { 21005 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 21006 SD_ENCRYPTION_KEYSTORE_NAME); 21007 if (sdEncKey == null) { 21008 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 21009 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 21010 if (sdEncKey == null) { 21011 Slog.e(TAG, "Failed to create encryption keys"); 21012 return null; 21013 } 21014 } 21015 return sdEncKey; 21016 } catch (NoSuchAlgorithmException nsae) { 21017 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 21018 return null; 21019 } catch (IOException ioe) { 21020 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 21021 return null; 21022 } 21023 } 21024 21025 /* 21026 * Update media status on PackageManager. 21027 */ 21028 @Override 21029 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 21030 int callingUid = Binder.getCallingUid(); 21031 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 21032 throw new SecurityException("Media status can only be updated by the system"); 21033 } 21034 // reader; this apparently protects mMediaMounted, but should probably 21035 // be a different lock in that case. 21036 synchronized (mPackages) { 21037 Log.i(TAG, "Updating external media status from " 21038 + (mMediaMounted ? "mounted" : "unmounted") + " to " 21039 + (mediaStatus ? "mounted" : "unmounted")); 21040 if (DEBUG_SD_INSTALL) 21041 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 21042 + ", mMediaMounted=" + mMediaMounted); 21043 if (mediaStatus == mMediaMounted) { 21044 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 21045 : 0, -1); 21046 mHandler.sendMessage(msg); 21047 return; 21048 } 21049 mMediaMounted = mediaStatus; 21050 } 21051 // Queue up an async operation since the package installation may take a 21052 // little while. 21053 mHandler.post(new Runnable() { 21054 public void run() { 21055 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 21056 } 21057 }); 21058 } 21059 21060 /** 21061 * Called by StorageManagerService when the initial ASECs to scan are available. 21062 * Should block until all the ASEC containers are finished being scanned. 21063 */ 21064 public void scanAvailableAsecs() { 21065 updateExternalMediaStatusInner(true, false, false); 21066 } 21067 21068 /* 21069 * Collect information of applications on external media, map them against 21070 * existing containers and update information based on current mount status. 21071 * Please note that we always have to report status if reportStatus has been 21072 * set to true especially when unloading packages. 21073 */ 21074 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 21075 boolean externalStorage) { 21076 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 21077 int[] uidArr = EmptyArray.INT; 21078 21079 final String[] list = PackageHelper.getSecureContainerList(); 21080 if (ArrayUtils.isEmpty(list)) { 21081 Log.i(TAG, "No secure containers found"); 21082 } else { 21083 // Process list of secure containers and categorize them 21084 // as active or stale based on their package internal state. 21085 21086 // reader 21087 synchronized (mPackages) { 21088 for (String cid : list) { 21089 // Leave stages untouched for now; installer service owns them 21090 if (PackageInstallerService.isStageName(cid)) continue; 21091 21092 if (DEBUG_SD_INSTALL) 21093 Log.i(TAG, "Processing container " + cid); 21094 String pkgName = getAsecPackageName(cid); 21095 if (pkgName == null) { 21096 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 21097 continue; 21098 } 21099 if (DEBUG_SD_INSTALL) 21100 Log.i(TAG, "Looking for pkg : " + pkgName); 21101 21102 final PackageSetting ps = mSettings.mPackages.get(pkgName); 21103 if (ps == null) { 21104 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 21105 continue; 21106 } 21107 21108 /* 21109 * Skip packages that are not external if we're unmounting 21110 * external storage. 21111 */ 21112 if (externalStorage && !isMounted && !isExternal(ps)) { 21113 continue; 21114 } 21115 21116 final AsecInstallArgs args = new AsecInstallArgs(cid, 21117 getAppDexInstructionSets(ps), ps.isForwardLocked()); 21118 // The package status is changed only if the code path 21119 // matches between settings and the container id. 21120 if (ps.codePathString != null 21121 && ps.codePathString.startsWith(args.getCodePath())) { 21122 if (DEBUG_SD_INSTALL) { 21123 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 21124 + " at code path: " + ps.codePathString); 21125 } 21126 21127 // We do have a valid package installed on sdcard 21128 processCids.put(args, ps.codePathString); 21129 final int uid = ps.appId; 21130 if (uid != -1) { 21131 uidArr = ArrayUtils.appendInt(uidArr, uid); 21132 } 21133 } else { 21134 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 21135 + ps.codePathString); 21136 } 21137 } 21138 } 21139 21140 Arrays.sort(uidArr); 21141 } 21142 21143 // Process packages with valid entries. 21144 if (isMounted) { 21145 if (DEBUG_SD_INSTALL) 21146 Log.i(TAG, "Loading packages"); 21147 loadMediaPackages(processCids, uidArr, externalStorage); 21148 startCleaningPackages(); 21149 mInstallerService.onSecureContainersAvailable(); 21150 } else { 21151 if (DEBUG_SD_INSTALL) 21152 Log.i(TAG, "Unloading packages"); 21153 unloadMediaPackages(processCids, uidArr, reportStatus); 21154 } 21155 } 21156 21157 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21158 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 21159 final int size = infos.size(); 21160 final String[] packageNames = new String[size]; 21161 final int[] packageUids = new int[size]; 21162 for (int i = 0; i < size; i++) { 21163 final ApplicationInfo info = infos.get(i); 21164 packageNames[i] = info.packageName; 21165 packageUids[i] = info.uid; 21166 } 21167 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 21168 finishedReceiver); 21169 } 21170 21171 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21172 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21173 sendResourcesChangedBroadcast(mediaStatus, replacing, 21174 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 21175 } 21176 21177 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21178 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21179 int size = pkgList.length; 21180 if (size > 0) { 21181 // Send broadcasts here 21182 Bundle extras = new Bundle(); 21183 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 21184 if (uidArr != null) { 21185 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 21186 } 21187 if (replacing) { 21188 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 21189 } 21190 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 21191 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 21192 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 21193 } 21194 } 21195 21196 /* 21197 * Look at potentially valid container ids from processCids If package 21198 * information doesn't match the one on record or package scanning fails, 21199 * the cid is added to list of removeCids. We currently don't delete stale 21200 * containers. 21201 */ 21202 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 21203 boolean externalStorage) { 21204 ArrayList<String> pkgList = new ArrayList<String>(); 21205 Set<AsecInstallArgs> keys = processCids.keySet(); 21206 21207 for (AsecInstallArgs args : keys) { 21208 String codePath = processCids.get(args); 21209 if (DEBUG_SD_INSTALL) 21210 Log.i(TAG, "Loading container : " + args.cid); 21211 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 21212 try { 21213 // Make sure there are no container errors first. 21214 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 21215 Slog.e(TAG, "Failed to mount cid : " + args.cid 21216 + " when installing from sdcard"); 21217 continue; 21218 } 21219 // Check code path here. 21220 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 21221 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 21222 + " does not match one in settings " + codePath); 21223 continue; 21224 } 21225 // Parse package 21226 int parseFlags = mDefParseFlags; 21227 if (args.isExternalAsec()) { 21228 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 21229 } 21230 if (args.isFwdLocked()) { 21231 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 21232 } 21233 21234 synchronized (mInstallLock) { 21235 PackageParser.Package pkg = null; 21236 try { 21237 // Sadly we don't know the package name yet to freeze it 21238 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 21239 SCAN_IGNORE_FROZEN, 0, null); 21240 } catch (PackageManagerException e) { 21241 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 21242 } 21243 // Scan the package 21244 if (pkg != null) { 21245 /* 21246 * TODO why is the lock being held? doPostInstall is 21247 * called in other places without the lock. This needs 21248 * to be straightened out. 21249 */ 21250 // writer 21251 synchronized (mPackages) { 21252 retCode = PackageManager.INSTALL_SUCCEEDED; 21253 pkgList.add(pkg.packageName); 21254 // Post process args 21255 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 21256 pkg.applicationInfo.uid); 21257 } 21258 } else { 21259 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 21260 } 21261 } 21262 21263 } finally { 21264 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 21265 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 21266 } 21267 } 21268 } 21269 // writer 21270 synchronized (mPackages) { 21271 // If the platform SDK has changed since the last time we booted, 21272 // we need to re-grant app permission to catch any new ones that 21273 // appear. This is really a hack, and means that apps can in some 21274 // cases get permissions that the user didn't initially explicitly 21275 // allow... it would be nice to have some better way to handle 21276 // this situation. 21277 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 21278 : mSettings.getInternalVersion(); 21279 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 21280 : StorageManager.UUID_PRIVATE_INTERNAL; 21281 21282 int updateFlags = UPDATE_PERMISSIONS_ALL; 21283 if (ver.sdkVersion != mSdkVersion) { 21284 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21285 + mSdkVersion + "; regranting permissions for external"); 21286 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21287 } 21288 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21289 21290 // Yay, everything is now upgraded 21291 ver.forceCurrent(); 21292 21293 // can downgrade to reader 21294 // Persist settings 21295 mSettings.writeLPr(); 21296 } 21297 // Send a broadcast to let everyone know we are done processing 21298 if (pkgList.size() > 0) { 21299 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 21300 } 21301 } 21302 21303 /* 21304 * Utility method to unload a list of specified containers 21305 */ 21306 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 21307 // Just unmount all valid containers. 21308 for (AsecInstallArgs arg : cidArgs) { 21309 synchronized (mInstallLock) { 21310 arg.doPostDeleteLI(false); 21311 } 21312 } 21313 } 21314 21315 /* 21316 * Unload packages mounted on external media. This involves deleting package 21317 * data from internal structures, sending broadcasts about disabled packages, 21318 * gc'ing to free up references, unmounting all secure containers 21319 * corresponding to packages on external media, and posting a 21320 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 21321 * that we always have to post this message if status has been requested no 21322 * matter what. 21323 */ 21324 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 21325 final boolean reportStatus) { 21326 if (DEBUG_SD_INSTALL) 21327 Log.i(TAG, "unloading media packages"); 21328 ArrayList<String> pkgList = new ArrayList<String>(); 21329 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 21330 final Set<AsecInstallArgs> keys = processCids.keySet(); 21331 for (AsecInstallArgs args : keys) { 21332 String pkgName = args.getPackageName(); 21333 if (DEBUG_SD_INSTALL) 21334 Log.i(TAG, "Trying to unload pkg : " + pkgName); 21335 // Delete package internally 21336 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21337 synchronized (mInstallLock) { 21338 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21339 final boolean res; 21340 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 21341 "unloadMediaPackages")) { 21342 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 21343 null); 21344 } 21345 if (res) { 21346 pkgList.add(pkgName); 21347 } else { 21348 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 21349 failedList.add(args); 21350 } 21351 } 21352 } 21353 21354 // reader 21355 synchronized (mPackages) { 21356 // We didn't update the settings after removing each package; 21357 // write them now for all packages. 21358 mSettings.writeLPr(); 21359 } 21360 21361 // We have to absolutely send UPDATED_MEDIA_STATUS only 21362 // after confirming that all the receivers processed the ordered 21363 // broadcast when packages get disabled, force a gc to clean things up. 21364 // and unload all the containers. 21365 if (pkgList.size() > 0) { 21366 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 21367 new IIntentReceiver.Stub() { 21368 public void performReceive(Intent intent, int resultCode, String data, 21369 Bundle extras, boolean ordered, boolean sticky, 21370 int sendingUser) throws RemoteException { 21371 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 21372 reportStatus ? 1 : 0, 1, keys); 21373 mHandler.sendMessage(msg); 21374 } 21375 }); 21376 } else { 21377 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 21378 keys); 21379 mHandler.sendMessage(msg); 21380 } 21381 } 21382 21383 private void loadPrivatePackages(final VolumeInfo vol) { 21384 mHandler.post(new Runnable() { 21385 @Override 21386 public void run() { 21387 loadPrivatePackagesInner(vol); 21388 } 21389 }); 21390 } 21391 21392 private void loadPrivatePackagesInner(VolumeInfo vol) { 21393 final String volumeUuid = vol.fsUuid; 21394 if (TextUtils.isEmpty(volumeUuid)) { 21395 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 21396 return; 21397 } 21398 21399 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 21400 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 21401 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 21402 21403 final VersionInfo ver; 21404 final List<PackageSetting> packages; 21405 synchronized (mPackages) { 21406 ver = mSettings.findOrCreateVersion(volumeUuid); 21407 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21408 } 21409 21410 for (PackageSetting ps : packages) { 21411 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 21412 synchronized (mInstallLock) { 21413 final PackageParser.Package pkg; 21414 try { 21415 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 21416 loaded.add(pkg.applicationInfo); 21417 21418 } catch (PackageManagerException e) { 21419 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 21420 } 21421 21422 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 21423 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 21424 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 21425 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 21426 } 21427 } 21428 } 21429 21430 // Reconcile app data for all started/unlocked users 21431 final StorageManager sm = mContext.getSystemService(StorageManager.class); 21432 final UserManager um = mContext.getSystemService(UserManager.class); 21433 UserManagerInternal umInternal = getUserManagerInternal(); 21434 for (UserInfo user : um.getUsers()) { 21435 final int flags; 21436 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21437 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21438 } else if (umInternal.isUserRunning(user.id)) { 21439 flags = StorageManager.FLAG_STORAGE_DE; 21440 } else { 21441 continue; 21442 } 21443 21444 try { 21445 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 21446 synchronized (mInstallLock) { 21447 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 21448 } 21449 } catch (IllegalStateException e) { 21450 // Device was probably ejected, and we'll process that event momentarily 21451 Slog.w(TAG, "Failed to prepare storage: " + e); 21452 } 21453 } 21454 21455 synchronized (mPackages) { 21456 int updateFlags = UPDATE_PERMISSIONS_ALL; 21457 if (ver.sdkVersion != mSdkVersion) { 21458 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21459 + mSdkVersion + "; regranting permissions for " + volumeUuid); 21460 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21461 } 21462 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21463 21464 // Yay, everything is now upgraded 21465 ver.forceCurrent(); 21466 21467 mSettings.writeLPr(); 21468 } 21469 21470 for (PackageFreezer freezer : freezers) { 21471 freezer.close(); 21472 } 21473 21474 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 21475 sendResourcesChangedBroadcast(true, false, loaded, null); 21476 } 21477 21478 private void unloadPrivatePackages(final VolumeInfo vol) { 21479 mHandler.post(new Runnable() { 21480 @Override 21481 public void run() { 21482 unloadPrivatePackagesInner(vol); 21483 } 21484 }); 21485 } 21486 21487 private void unloadPrivatePackagesInner(VolumeInfo vol) { 21488 final String volumeUuid = vol.fsUuid; 21489 if (TextUtils.isEmpty(volumeUuid)) { 21490 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 21491 return; 21492 } 21493 21494 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 21495 synchronized (mInstallLock) { 21496 synchronized (mPackages) { 21497 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 21498 for (PackageSetting ps : packages) { 21499 if (ps.pkg == null) continue; 21500 21501 final ApplicationInfo info = ps.pkg.applicationInfo; 21502 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21503 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21504 21505 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 21506 "unloadPrivatePackagesInner")) { 21507 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 21508 false, null)) { 21509 unloaded.add(info); 21510 } else { 21511 Slog.w(TAG, "Failed to unload " + ps.codePath); 21512 } 21513 } 21514 21515 // Try very hard to release any references to this package 21516 // so we don't risk the system server being killed due to 21517 // open FDs 21518 AttributeCache.instance().removePackage(ps.name); 21519 } 21520 21521 mSettings.writeLPr(); 21522 } 21523 } 21524 21525 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 21526 sendResourcesChangedBroadcast(false, false, unloaded, null); 21527 21528 // Try very hard to release any references to this path so we don't risk 21529 // the system server being killed due to open FDs 21530 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 21531 21532 for (int i = 0; i < 3; i++) { 21533 System.gc(); 21534 System.runFinalization(); 21535 } 21536 } 21537 21538 private void assertPackageKnown(String volumeUuid, String packageName) 21539 throws PackageManagerException { 21540 synchronized (mPackages) { 21541 // Normalize package name to handle renamed packages 21542 packageName = normalizePackageNameLPr(packageName); 21543 21544 final PackageSetting ps = mSettings.mPackages.get(packageName); 21545 if (ps == null) { 21546 throw new PackageManagerException("Package " + packageName + " is unknown"); 21547 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21548 throw new PackageManagerException( 21549 "Package " + packageName + " found on unknown volume " + volumeUuid 21550 + "; expected volume " + ps.volumeUuid); 21551 } 21552 } 21553 } 21554 21555 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 21556 throws PackageManagerException { 21557 synchronized (mPackages) { 21558 // Normalize package name to handle renamed packages 21559 packageName = normalizePackageNameLPr(packageName); 21560 21561 final PackageSetting ps = mSettings.mPackages.get(packageName); 21562 if (ps == null) { 21563 throw new PackageManagerException("Package " + packageName + " is unknown"); 21564 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21565 throw new PackageManagerException( 21566 "Package " + packageName + " found on unknown volume " + volumeUuid 21567 + "; expected volume " + ps.volumeUuid); 21568 } else if (!ps.getInstalled(userId)) { 21569 throw new PackageManagerException( 21570 "Package " + packageName + " not installed for user " + userId); 21571 } 21572 } 21573 } 21574 21575 private List<String> collectAbsoluteCodePaths() { 21576 synchronized (mPackages) { 21577 List<String> codePaths = new ArrayList<>(); 21578 final int packageCount = mSettings.mPackages.size(); 21579 for (int i = 0; i < packageCount; i++) { 21580 final PackageSetting ps = mSettings.mPackages.valueAt(i); 21581 codePaths.add(ps.codePath.getAbsolutePath()); 21582 } 21583 return codePaths; 21584 } 21585 } 21586 21587 /** 21588 * Examine all apps present on given mounted volume, and destroy apps that 21589 * aren't expected, either due to uninstallation or reinstallation on 21590 * another volume. 21591 */ 21592 private void reconcileApps(String volumeUuid) { 21593 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 21594 List<File> filesToDelete = null; 21595 21596 final File[] files = FileUtils.listFilesOrEmpty( 21597 Environment.getDataAppDirectory(volumeUuid)); 21598 for (File file : files) { 21599 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 21600 && !PackageInstallerService.isStageName(file.getName()); 21601 if (!isPackage) { 21602 // Ignore entries which are not packages 21603 continue; 21604 } 21605 21606 String absolutePath = file.getAbsolutePath(); 21607 21608 boolean pathValid = false; 21609 final int absoluteCodePathCount = absoluteCodePaths.size(); 21610 for (int i = 0; i < absoluteCodePathCount; i++) { 21611 String absoluteCodePath = absoluteCodePaths.get(i); 21612 if (absolutePath.startsWith(absoluteCodePath)) { 21613 pathValid = true; 21614 break; 21615 } 21616 } 21617 21618 if (!pathValid) { 21619 if (filesToDelete == null) { 21620 filesToDelete = new ArrayList<>(); 21621 } 21622 filesToDelete.add(file); 21623 } 21624 } 21625 21626 if (filesToDelete != null) { 21627 final int fileToDeleteCount = filesToDelete.size(); 21628 for (int i = 0; i < fileToDeleteCount; i++) { 21629 File fileToDelete = filesToDelete.get(i); 21630 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 21631 synchronized (mInstallLock) { 21632 removeCodePathLI(fileToDelete); 21633 } 21634 } 21635 } 21636 } 21637 21638 /** 21639 * Reconcile all app data for the given user. 21640 * <p> 21641 * Verifies that directories exist and that ownership and labeling is 21642 * correct for all installed apps on all mounted volumes. 21643 */ 21644 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 21645 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21646 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 21647 final String volumeUuid = vol.getFsUuid(); 21648 synchronized (mInstallLock) { 21649 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 21650 } 21651 } 21652 } 21653 21654 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21655 boolean migrateAppData) { 21656 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppData, false /* onlyCoreApps */); 21657 } 21658 21659 /** 21660 * Reconcile all app data on given mounted volume. 21661 * <p> 21662 * Destroys app data that isn't expected, either due to uninstallation or 21663 * reinstallation on another volume. 21664 * <p> 21665 * Verifies that directories exist and that ownership and labeling is 21666 * correct for all installed apps. 21667 * @returns list of skipped non-core packages (if {@code onlyCoreApps} is true) 21668 */ 21669 private List<String> reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21670 boolean migrateAppData, boolean onlyCoreApps) { 21671 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 21672 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 21673 List<String> result = onlyCoreApps ? new ArrayList<>() : null; 21674 21675 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 21676 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 21677 21678 // First look for stale data that doesn't belong, and check if things 21679 // have changed since we did our last restorecon 21680 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21681 if (StorageManager.isFileEncryptedNativeOrEmulated() 21682 && !StorageManager.isUserKeyUnlocked(userId)) { 21683 throw new RuntimeException( 21684 "Yikes, someone asked us to reconcile CE storage while " + userId 21685 + " was still locked; this would have caused massive data loss!"); 21686 } 21687 21688 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 21689 for (File file : files) { 21690 final String packageName = file.getName(); 21691 try { 21692 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21693 } catch (PackageManagerException e) { 21694 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21695 try { 21696 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21697 StorageManager.FLAG_STORAGE_CE, 0); 21698 } catch (InstallerException e2) { 21699 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21700 } 21701 } 21702 } 21703 } 21704 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 21705 final File[] files = FileUtils.listFilesOrEmpty(deDir); 21706 for (File file : files) { 21707 final String packageName = file.getName(); 21708 try { 21709 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21710 } catch (PackageManagerException e) { 21711 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21712 try { 21713 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21714 StorageManager.FLAG_STORAGE_DE, 0); 21715 } catch (InstallerException e2) { 21716 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21717 } 21718 } 21719 } 21720 } 21721 21722 // Ensure that data directories are ready to roll for all packages 21723 // installed for this volume and user 21724 final List<PackageSetting> packages; 21725 synchronized (mPackages) { 21726 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21727 } 21728 int preparedCount = 0; 21729 for (PackageSetting ps : packages) { 21730 final String packageName = ps.name; 21731 if (ps.pkg == null) { 21732 Slog.w(TAG, "Odd, missing scanned package " + packageName); 21733 // TODO: might be due to legacy ASEC apps; we should circle back 21734 // and reconcile again once they're scanned 21735 continue; 21736 } 21737 // Skip non-core apps if requested 21738 if (onlyCoreApps && !ps.pkg.coreApp) { 21739 result.add(packageName); 21740 continue; 21741 } 21742 21743 if (ps.getInstalled(userId)) { 21744 prepareAppDataAndMigrateLIF(ps.pkg, userId, flags, migrateAppData); 21745 preparedCount++; 21746 } 21747 } 21748 21749 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 21750 return result; 21751 } 21752 21753 /** 21754 * Prepare app data for the given app just after it was installed or 21755 * upgraded. This method carefully only touches users that it's installed 21756 * for, and it forces a restorecon to handle any seinfo changes. 21757 * <p> 21758 * Verifies that directories exist and that ownership and labeling is 21759 * correct for all installed apps. If there is an ownership mismatch, it 21760 * will try recovering system apps by wiping data; third-party app data is 21761 * left intact. 21762 * <p> 21763 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 21764 */ 21765 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 21766 final PackageSetting ps; 21767 synchronized (mPackages) { 21768 ps = mSettings.mPackages.get(pkg.packageName); 21769 mSettings.writeKernelMappingLPr(ps); 21770 } 21771 21772 final UserManager um = mContext.getSystemService(UserManager.class); 21773 UserManagerInternal umInternal = getUserManagerInternal(); 21774 for (UserInfo user : um.getUsers()) { 21775 final int flags; 21776 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21777 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21778 } else if (umInternal.isUserRunning(user.id)) { 21779 flags = StorageManager.FLAG_STORAGE_DE; 21780 } else { 21781 continue; 21782 } 21783 21784 if (ps.getInstalled(user.id)) { 21785 // TODO: when user data is locked, mark that we're still dirty 21786 prepareAppDataLIF(pkg, user.id, flags); 21787 } 21788 } 21789 } 21790 21791 /** 21792 * Prepare app data for the given app. 21793 * <p> 21794 * Verifies that directories exist and that ownership and labeling is 21795 * correct for all installed apps. If there is an ownership mismatch, this 21796 * will try recovering system apps by wiping data; third-party app data is 21797 * left intact. 21798 */ 21799 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 21800 if (pkg == null) { 21801 Slog.wtf(TAG, "Package was null!", new Throwable()); 21802 return; 21803 } 21804 prepareAppDataLeafLIF(pkg, userId, flags); 21805 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21806 for (int i = 0; i < childCount; i++) { 21807 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 21808 } 21809 } 21810 21811 private void prepareAppDataAndMigrateLIF(PackageParser.Package pkg, int userId, int flags, 21812 boolean maybeMigrateAppData) { 21813 prepareAppDataLIF(pkg, userId, flags); 21814 21815 if (maybeMigrateAppData && maybeMigrateAppDataLIF(pkg, userId)) { 21816 // We may have just shuffled around app data directories, so 21817 // prepare them one more time 21818 prepareAppDataLIF(pkg, userId, flags); 21819 } 21820 } 21821 21822 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21823 if (DEBUG_APP_DATA) { 21824 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 21825 + Integer.toHexString(flags)); 21826 } 21827 21828 final String volumeUuid = pkg.volumeUuid; 21829 final String packageName = pkg.packageName; 21830 final ApplicationInfo app = pkg.applicationInfo; 21831 final int appId = UserHandle.getAppId(app.uid); 21832 21833 Preconditions.checkNotNull(app.seInfo); 21834 21835 long ceDataInode = -1; 21836 try { 21837 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21838 appId, app.seInfo, app.targetSdkVersion); 21839 } catch (InstallerException e) { 21840 if (app.isSystemApp()) { 21841 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 21842 + ", but trying to recover: " + e); 21843 destroyAppDataLeafLIF(pkg, userId, flags); 21844 try { 21845 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21846 appId, app.seInfo, app.targetSdkVersion); 21847 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 21848 } catch (InstallerException e2) { 21849 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 21850 } 21851 } else { 21852 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 21853 } 21854 } 21855 21856 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 21857 // TODO: mark this structure as dirty so we persist it! 21858 synchronized (mPackages) { 21859 final PackageSetting ps = mSettings.mPackages.get(packageName); 21860 if (ps != null) { 21861 ps.setCeDataInode(ceDataInode, userId); 21862 } 21863 } 21864 } 21865 21866 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21867 } 21868 21869 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 21870 if (pkg == null) { 21871 Slog.wtf(TAG, "Package was null!", new Throwable()); 21872 return; 21873 } 21874 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21875 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21876 for (int i = 0; i < childCount; i++) { 21877 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 21878 } 21879 } 21880 21881 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21882 final String volumeUuid = pkg.volumeUuid; 21883 final String packageName = pkg.packageName; 21884 final ApplicationInfo app = pkg.applicationInfo; 21885 21886 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21887 // Create a native library symlink only if we have native libraries 21888 // and if the native libraries are 32 bit libraries. We do not provide 21889 // this symlink for 64 bit libraries. 21890 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 21891 final String nativeLibPath = app.nativeLibraryDir; 21892 try { 21893 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 21894 nativeLibPath, userId); 21895 } catch (InstallerException e) { 21896 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 21897 } 21898 } 21899 } 21900 } 21901 21902 /** 21903 * For system apps on non-FBE devices, this method migrates any existing 21904 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 21905 * requested by the app. 21906 */ 21907 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 21908 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 21909 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 21910 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 21911 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 21912 try { 21913 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 21914 storageTarget); 21915 } catch (InstallerException e) { 21916 logCriticalInfo(Log.WARN, 21917 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 21918 } 21919 return true; 21920 } else { 21921 return false; 21922 } 21923 } 21924 21925 public PackageFreezer freezePackage(String packageName, String killReason) { 21926 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 21927 } 21928 21929 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 21930 return new PackageFreezer(packageName, userId, killReason); 21931 } 21932 21933 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 21934 String killReason) { 21935 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 21936 } 21937 21938 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 21939 String killReason) { 21940 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 21941 return new PackageFreezer(); 21942 } else { 21943 return freezePackage(packageName, userId, killReason); 21944 } 21945 } 21946 21947 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 21948 String killReason) { 21949 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 21950 } 21951 21952 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 21953 String killReason) { 21954 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 21955 return new PackageFreezer(); 21956 } else { 21957 return freezePackage(packageName, userId, killReason); 21958 } 21959 } 21960 21961 /** 21962 * Class that freezes and kills the given package upon creation, and 21963 * unfreezes it upon closing. This is typically used when doing surgery on 21964 * app code/data to prevent the app from running while you're working. 21965 */ 21966 private class PackageFreezer implements AutoCloseable { 21967 private final String mPackageName; 21968 private final PackageFreezer[] mChildren; 21969 21970 private final boolean mWeFroze; 21971 21972 private final AtomicBoolean mClosed = new AtomicBoolean(); 21973 private final CloseGuard mCloseGuard = CloseGuard.get(); 21974 21975 /** 21976 * Create and return a stub freezer that doesn't actually do anything, 21977 * typically used when someone requested 21978 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 21979 * {@link PackageManager#DELETE_DONT_KILL_APP}. 21980 */ 21981 public PackageFreezer() { 21982 mPackageName = null; 21983 mChildren = null; 21984 mWeFroze = false; 21985 mCloseGuard.open("close"); 21986 } 21987 21988 public PackageFreezer(String packageName, int userId, String killReason) { 21989 synchronized (mPackages) { 21990 mPackageName = packageName; 21991 mWeFroze = mFrozenPackages.add(mPackageName); 21992 21993 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 21994 if (ps != null) { 21995 killApplication(ps.name, ps.appId, userId, killReason); 21996 } 21997 21998 final PackageParser.Package p = mPackages.get(packageName); 21999 if (p != null && p.childPackages != null) { 22000 final int N = p.childPackages.size(); 22001 mChildren = new PackageFreezer[N]; 22002 for (int i = 0; i < N; i++) { 22003 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 22004 userId, killReason); 22005 } 22006 } else { 22007 mChildren = null; 22008 } 22009 } 22010 mCloseGuard.open("close"); 22011 } 22012 22013 @Override 22014 protected void finalize() throws Throwable { 22015 try { 22016 mCloseGuard.warnIfOpen(); 22017 close(); 22018 } finally { 22019 super.finalize(); 22020 } 22021 } 22022 22023 @Override 22024 public void close() { 22025 mCloseGuard.close(); 22026 if (mClosed.compareAndSet(false, true)) { 22027 synchronized (mPackages) { 22028 if (mWeFroze) { 22029 mFrozenPackages.remove(mPackageName); 22030 } 22031 22032 if (mChildren != null) { 22033 for (PackageFreezer freezer : mChildren) { 22034 freezer.close(); 22035 } 22036 } 22037 } 22038 } 22039 } 22040 } 22041 22042 /** 22043 * Verify that given package is currently frozen. 22044 */ 22045 private void checkPackageFrozen(String packageName) { 22046 synchronized (mPackages) { 22047 if (!mFrozenPackages.contains(packageName)) { 22048 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 22049 } 22050 } 22051 } 22052 22053 @Override 22054 public int movePackage(final String packageName, final String volumeUuid) { 22055 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22056 22057 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 22058 final int moveId = mNextMoveId.getAndIncrement(); 22059 mHandler.post(new Runnable() { 22060 @Override 22061 public void run() { 22062 try { 22063 movePackageInternal(packageName, volumeUuid, moveId, user); 22064 } catch (PackageManagerException e) { 22065 Slog.w(TAG, "Failed to move " + packageName, e); 22066 mMoveCallbacks.notifyStatusChanged(moveId, 22067 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22068 } 22069 } 22070 }); 22071 return moveId; 22072 } 22073 22074 private void movePackageInternal(final String packageName, final String volumeUuid, 22075 final int moveId, UserHandle user) throws PackageManagerException { 22076 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22077 final PackageManager pm = mContext.getPackageManager(); 22078 22079 final boolean currentAsec; 22080 final String currentVolumeUuid; 22081 final File codeFile; 22082 final String installerPackageName; 22083 final String packageAbiOverride; 22084 final int appId; 22085 final String seinfo; 22086 final String label; 22087 final int targetSdkVersion; 22088 final PackageFreezer freezer; 22089 final int[] installedUserIds; 22090 22091 // reader 22092 synchronized (mPackages) { 22093 final PackageParser.Package pkg = mPackages.get(packageName); 22094 final PackageSetting ps = mSettings.mPackages.get(packageName); 22095 if (pkg == null || ps == null) { 22096 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 22097 } 22098 22099 if (pkg.applicationInfo.isSystemApp()) { 22100 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 22101 "Cannot move system application"); 22102 } 22103 22104 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 22105 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 22106 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 22107 if (isInternalStorage && !allow3rdPartyOnInternal) { 22108 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 22109 "3rd party apps are not allowed on internal storage"); 22110 } 22111 22112 if (pkg.applicationInfo.isExternalAsec()) { 22113 currentAsec = true; 22114 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 22115 } else if (pkg.applicationInfo.isForwardLocked()) { 22116 currentAsec = true; 22117 currentVolumeUuid = "forward_locked"; 22118 } else { 22119 currentAsec = false; 22120 currentVolumeUuid = ps.volumeUuid; 22121 22122 final File probe = new File(pkg.codePath); 22123 final File probeOat = new File(probe, "oat"); 22124 if (!probe.isDirectory() || !probeOat.isDirectory()) { 22125 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22126 "Move only supported for modern cluster style installs"); 22127 } 22128 } 22129 22130 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 22131 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22132 "Package already moved to " + volumeUuid); 22133 } 22134 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 22135 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 22136 "Device admin cannot be moved"); 22137 } 22138 22139 if (mFrozenPackages.contains(packageName)) { 22140 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 22141 "Failed to move already frozen package"); 22142 } 22143 22144 codeFile = new File(pkg.codePath); 22145 installerPackageName = ps.installerPackageName; 22146 packageAbiOverride = ps.cpuAbiOverrideString; 22147 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 22148 seinfo = pkg.applicationInfo.seInfo; 22149 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 22150 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 22151 freezer = freezePackage(packageName, "movePackageInternal"); 22152 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 22153 } 22154 22155 final Bundle extras = new Bundle(); 22156 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 22157 extras.putString(Intent.EXTRA_TITLE, label); 22158 mMoveCallbacks.notifyCreated(moveId, extras); 22159 22160 int installFlags; 22161 final boolean moveCompleteApp; 22162 final File measurePath; 22163 22164 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 22165 installFlags = INSTALL_INTERNAL; 22166 moveCompleteApp = !currentAsec; 22167 measurePath = Environment.getDataAppDirectory(volumeUuid); 22168 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 22169 installFlags = INSTALL_EXTERNAL; 22170 moveCompleteApp = false; 22171 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 22172 } else { 22173 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 22174 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 22175 || !volume.isMountedWritable()) { 22176 freezer.close(); 22177 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22178 "Move location not mounted private volume"); 22179 } 22180 22181 Preconditions.checkState(!currentAsec); 22182 22183 installFlags = INSTALL_INTERNAL; 22184 moveCompleteApp = true; 22185 measurePath = Environment.getDataAppDirectory(volumeUuid); 22186 } 22187 22188 final PackageStats stats = new PackageStats(null, -1); 22189 synchronized (mInstaller) { 22190 for (int userId : installedUserIds) { 22191 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 22192 freezer.close(); 22193 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22194 "Failed to measure package size"); 22195 } 22196 } 22197 } 22198 22199 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 22200 + stats.dataSize); 22201 22202 final long startFreeBytes = measurePath.getFreeSpace(); 22203 final long sizeBytes; 22204 if (moveCompleteApp) { 22205 sizeBytes = stats.codeSize + stats.dataSize; 22206 } else { 22207 sizeBytes = stats.codeSize; 22208 } 22209 22210 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 22211 freezer.close(); 22212 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22213 "Not enough free space to move"); 22214 } 22215 22216 mMoveCallbacks.notifyStatusChanged(moveId, 10); 22217 22218 final CountDownLatch installedLatch = new CountDownLatch(1); 22219 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 22220 @Override 22221 public void onUserActionRequired(Intent intent) throws RemoteException { 22222 throw new IllegalStateException(); 22223 } 22224 22225 @Override 22226 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 22227 Bundle extras) throws RemoteException { 22228 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 22229 + PackageManager.installStatusToString(returnCode, msg)); 22230 22231 installedLatch.countDown(); 22232 freezer.close(); 22233 22234 final int status = PackageManager.installStatusToPublicStatus(returnCode); 22235 switch (status) { 22236 case PackageInstaller.STATUS_SUCCESS: 22237 mMoveCallbacks.notifyStatusChanged(moveId, 22238 PackageManager.MOVE_SUCCEEDED); 22239 break; 22240 case PackageInstaller.STATUS_FAILURE_STORAGE: 22241 mMoveCallbacks.notifyStatusChanged(moveId, 22242 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 22243 break; 22244 default: 22245 mMoveCallbacks.notifyStatusChanged(moveId, 22246 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22247 break; 22248 } 22249 } 22250 }; 22251 22252 final MoveInfo move; 22253 if (moveCompleteApp) { 22254 // Kick off a thread to report progress estimates 22255 new Thread() { 22256 @Override 22257 public void run() { 22258 while (true) { 22259 try { 22260 if (installedLatch.await(1, TimeUnit.SECONDS)) { 22261 break; 22262 } 22263 } catch (InterruptedException ignored) { 22264 } 22265 22266 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 22267 final int progress = 10 + (int) MathUtils.constrain( 22268 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 22269 mMoveCallbacks.notifyStatusChanged(moveId, progress); 22270 } 22271 } 22272 }.start(); 22273 22274 final String dataAppName = codeFile.getName(); 22275 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 22276 dataAppName, appId, seinfo, targetSdkVersion); 22277 } else { 22278 move = null; 22279 } 22280 22281 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 22282 22283 final Message msg = mHandler.obtainMessage(INIT_COPY); 22284 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 22285 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 22286 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 22287 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/, 22288 PackageManager.INSTALL_REASON_UNKNOWN); 22289 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 22290 msg.obj = params; 22291 22292 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 22293 System.identityHashCode(msg.obj)); 22294 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 22295 System.identityHashCode(msg.obj)); 22296 22297 mHandler.sendMessage(msg); 22298 } 22299 22300 @Override 22301 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 22302 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22303 22304 final int realMoveId = mNextMoveId.getAndIncrement(); 22305 final Bundle extras = new Bundle(); 22306 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 22307 mMoveCallbacks.notifyCreated(realMoveId, extras); 22308 22309 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 22310 @Override 22311 public void onCreated(int moveId, Bundle extras) { 22312 // Ignored 22313 } 22314 22315 @Override 22316 public void onStatusChanged(int moveId, int status, long estMillis) { 22317 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 22318 } 22319 }; 22320 22321 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22322 storage.setPrimaryStorageUuid(volumeUuid, callback); 22323 return realMoveId; 22324 } 22325 22326 @Override 22327 public int getMoveStatus(int moveId) { 22328 mContext.enforceCallingOrSelfPermission( 22329 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22330 return mMoveCallbacks.mLastStatus.get(moveId); 22331 } 22332 22333 @Override 22334 public void registerMoveCallback(IPackageMoveObserver callback) { 22335 mContext.enforceCallingOrSelfPermission( 22336 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22337 mMoveCallbacks.register(callback); 22338 } 22339 22340 @Override 22341 public void unregisterMoveCallback(IPackageMoveObserver callback) { 22342 mContext.enforceCallingOrSelfPermission( 22343 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22344 mMoveCallbacks.unregister(callback); 22345 } 22346 22347 @Override 22348 public boolean setInstallLocation(int loc) { 22349 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 22350 null); 22351 if (getInstallLocation() == loc) { 22352 return true; 22353 } 22354 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 22355 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 22356 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 22357 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 22358 return true; 22359 } 22360 return false; 22361 } 22362 22363 @Override 22364 public int getInstallLocation() { 22365 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 22366 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 22367 PackageHelper.APP_INSTALL_AUTO); 22368 } 22369 22370 /** Called by UserManagerService */ 22371 void cleanUpUser(UserManagerService userManager, int userHandle) { 22372 synchronized (mPackages) { 22373 mDirtyUsers.remove(userHandle); 22374 mUserNeedsBadging.delete(userHandle); 22375 mSettings.removeUserLPw(userHandle); 22376 mPendingBroadcasts.remove(userHandle); 22377 mInstantAppRegistry.onUserRemovedLPw(userHandle); 22378 removeUnusedPackagesLPw(userManager, userHandle); 22379 } 22380 } 22381 22382 /** 22383 * We're removing userHandle and would like to remove any downloaded packages 22384 * that are no longer in use by any other user. 22385 * @param userHandle the user being removed 22386 */ 22387 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 22388 final boolean DEBUG_CLEAN_APKS = false; 22389 int [] users = userManager.getUserIds(); 22390 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 22391 while (psit.hasNext()) { 22392 PackageSetting ps = psit.next(); 22393 if (ps.pkg == null) { 22394 continue; 22395 } 22396 final String packageName = ps.pkg.packageName; 22397 // Skip over if system app 22398 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 22399 continue; 22400 } 22401 if (DEBUG_CLEAN_APKS) { 22402 Slog.i(TAG, "Checking package " + packageName); 22403 } 22404 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 22405 if (keep) { 22406 if (DEBUG_CLEAN_APKS) { 22407 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 22408 } 22409 } else { 22410 for (int i = 0; i < users.length; i++) { 22411 if (users[i] != userHandle && ps.getInstalled(users[i])) { 22412 keep = true; 22413 if (DEBUG_CLEAN_APKS) { 22414 Slog.i(TAG, " Keeping package " + packageName + " for user " 22415 + users[i]); 22416 } 22417 break; 22418 } 22419 } 22420 } 22421 if (!keep) { 22422 if (DEBUG_CLEAN_APKS) { 22423 Slog.i(TAG, " Removing package " + packageName); 22424 } 22425 mHandler.post(new Runnable() { 22426 public void run() { 22427 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22428 userHandle, 0); 22429 } //end run 22430 }); 22431 } 22432 } 22433 } 22434 22435 /** Called by UserManagerService */ 22436 void createNewUser(int userId, String[] disallowedPackages) { 22437 synchronized (mInstallLock) { 22438 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 22439 } 22440 synchronized (mPackages) { 22441 scheduleWritePackageRestrictionsLocked(userId); 22442 scheduleWritePackageListLocked(userId); 22443 applyFactoryDefaultBrowserLPw(userId); 22444 primeDomainVerificationsLPw(userId); 22445 } 22446 } 22447 22448 void onNewUserCreated(final int userId) { 22449 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 22450 // If permission review for legacy apps is required, we represent 22451 // dagerous permissions for such apps as always granted runtime 22452 // permissions to keep per user flag state whether review is needed. 22453 // Hence, if a new user is added we have to propagate dangerous 22454 // permission grants for these legacy apps. 22455 if (mPermissionReviewRequired) { 22456 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 22457 | UPDATE_PERMISSIONS_REPLACE_ALL); 22458 } 22459 } 22460 22461 @Override 22462 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 22463 mContext.enforceCallingOrSelfPermission( 22464 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 22465 "Only package verification agents can read the verifier device identity"); 22466 22467 synchronized (mPackages) { 22468 return mSettings.getVerifierDeviceIdentityLPw(); 22469 } 22470 } 22471 22472 @Override 22473 public void setPermissionEnforced(String permission, boolean enforced) { 22474 // TODO: Now that we no longer change GID for storage, this should to away. 22475 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 22476 "setPermissionEnforced"); 22477 if (READ_EXTERNAL_STORAGE.equals(permission)) { 22478 synchronized (mPackages) { 22479 if (mSettings.mReadExternalStorageEnforced == null 22480 || mSettings.mReadExternalStorageEnforced != enforced) { 22481 mSettings.mReadExternalStorageEnforced = enforced; 22482 mSettings.writeLPr(); 22483 } 22484 } 22485 // kill any non-foreground processes so we restart them and 22486 // grant/revoke the GID. 22487 final IActivityManager am = ActivityManager.getService(); 22488 if (am != null) { 22489 final long token = Binder.clearCallingIdentity(); 22490 try { 22491 am.killProcessesBelowForeground("setPermissionEnforcement"); 22492 } catch (RemoteException e) { 22493 } finally { 22494 Binder.restoreCallingIdentity(token); 22495 } 22496 } 22497 } else { 22498 throw new IllegalArgumentException("No selective enforcement for " + permission); 22499 } 22500 } 22501 22502 @Override 22503 @Deprecated 22504 public boolean isPermissionEnforced(String permission) { 22505 return true; 22506 } 22507 22508 @Override 22509 public boolean isStorageLow() { 22510 final long token = Binder.clearCallingIdentity(); 22511 try { 22512 final DeviceStorageMonitorInternal 22513 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 22514 if (dsm != null) { 22515 return dsm.isMemoryLow(); 22516 } else { 22517 return false; 22518 } 22519 } finally { 22520 Binder.restoreCallingIdentity(token); 22521 } 22522 } 22523 22524 @Override 22525 public IPackageInstaller getPackageInstaller() { 22526 return mInstallerService; 22527 } 22528 22529 private boolean userNeedsBadging(int userId) { 22530 int index = mUserNeedsBadging.indexOfKey(userId); 22531 if (index < 0) { 22532 final UserInfo userInfo; 22533 final long token = Binder.clearCallingIdentity(); 22534 try { 22535 userInfo = sUserManager.getUserInfo(userId); 22536 } finally { 22537 Binder.restoreCallingIdentity(token); 22538 } 22539 final boolean b; 22540 if (userInfo != null && userInfo.isManagedProfile()) { 22541 b = true; 22542 } else { 22543 b = false; 22544 } 22545 mUserNeedsBadging.put(userId, b); 22546 return b; 22547 } 22548 return mUserNeedsBadging.valueAt(index); 22549 } 22550 22551 @Override 22552 public KeySet getKeySetByAlias(String packageName, String alias) { 22553 if (packageName == null || alias == null) { 22554 return null; 22555 } 22556 synchronized(mPackages) { 22557 final PackageParser.Package pkg = mPackages.get(packageName); 22558 if (pkg == null) { 22559 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22560 throw new IllegalArgumentException("Unknown package: " + packageName); 22561 } 22562 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22563 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 22564 } 22565 } 22566 22567 @Override 22568 public KeySet getSigningKeySet(String packageName) { 22569 if (packageName == null) { 22570 return null; 22571 } 22572 synchronized(mPackages) { 22573 final PackageParser.Package pkg = mPackages.get(packageName); 22574 if (pkg == null) { 22575 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22576 throw new IllegalArgumentException("Unknown package: " + packageName); 22577 } 22578 if (pkg.applicationInfo.uid != Binder.getCallingUid() 22579 && Process.SYSTEM_UID != Binder.getCallingUid()) { 22580 throw new SecurityException("May not access signing KeySet of other apps."); 22581 } 22582 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22583 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 22584 } 22585 } 22586 22587 @Override 22588 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 22589 if (packageName == null || ks == null) { 22590 return false; 22591 } 22592 synchronized(mPackages) { 22593 final PackageParser.Package pkg = mPackages.get(packageName); 22594 if (pkg == null) { 22595 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22596 throw new IllegalArgumentException("Unknown package: " + packageName); 22597 } 22598 IBinder ksh = ks.getToken(); 22599 if (ksh instanceof KeySetHandle) { 22600 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22601 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 22602 } 22603 return false; 22604 } 22605 } 22606 22607 @Override 22608 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 22609 if (packageName == null || ks == null) { 22610 return false; 22611 } 22612 synchronized(mPackages) { 22613 final PackageParser.Package pkg = mPackages.get(packageName); 22614 if (pkg == null) { 22615 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22616 throw new IllegalArgumentException("Unknown package: " + packageName); 22617 } 22618 IBinder ksh = ks.getToken(); 22619 if (ksh instanceof KeySetHandle) { 22620 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22621 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 22622 } 22623 return false; 22624 } 22625 } 22626 22627 private void deletePackageIfUnusedLPr(final String packageName) { 22628 PackageSetting ps = mSettings.mPackages.get(packageName); 22629 if (ps == null) { 22630 return; 22631 } 22632 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 22633 // TODO Implement atomic delete if package is unused 22634 // It is currently possible that the package will be deleted even if it is installed 22635 // after this method returns. 22636 mHandler.post(new Runnable() { 22637 public void run() { 22638 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22639 0, PackageManager.DELETE_ALL_USERS); 22640 } 22641 }); 22642 } 22643 } 22644 22645 /** 22646 * Check and throw if the given before/after packages would be considered a 22647 * downgrade. 22648 */ 22649 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 22650 throws PackageManagerException { 22651 if (after.versionCode < before.mVersionCode) { 22652 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22653 "Update version code " + after.versionCode + " is older than current " 22654 + before.mVersionCode); 22655 } else if (after.versionCode == before.mVersionCode) { 22656 if (after.baseRevisionCode < before.baseRevisionCode) { 22657 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22658 "Update base revision code " + after.baseRevisionCode 22659 + " is older than current " + before.baseRevisionCode); 22660 } 22661 22662 if (!ArrayUtils.isEmpty(after.splitNames)) { 22663 for (int i = 0; i < after.splitNames.length; i++) { 22664 final String splitName = after.splitNames[i]; 22665 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 22666 if (j != -1) { 22667 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 22668 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22669 "Update split " + splitName + " revision code " 22670 + after.splitRevisionCodes[i] + " is older than current " 22671 + before.splitRevisionCodes[j]); 22672 } 22673 } 22674 } 22675 } 22676 } 22677 } 22678 22679 private static class MoveCallbacks extends Handler { 22680 private static final int MSG_CREATED = 1; 22681 private static final int MSG_STATUS_CHANGED = 2; 22682 22683 private final RemoteCallbackList<IPackageMoveObserver> 22684 mCallbacks = new RemoteCallbackList<>(); 22685 22686 private final SparseIntArray mLastStatus = new SparseIntArray(); 22687 22688 public MoveCallbacks(Looper looper) { 22689 super(looper); 22690 } 22691 22692 public void register(IPackageMoveObserver callback) { 22693 mCallbacks.register(callback); 22694 } 22695 22696 public void unregister(IPackageMoveObserver callback) { 22697 mCallbacks.unregister(callback); 22698 } 22699 22700 @Override 22701 public void handleMessage(Message msg) { 22702 final SomeArgs args = (SomeArgs) msg.obj; 22703 final int n = mCallbacks.beginBroadcast(); 22704 for (int i = 0; i < n; i++) { 22705 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 22706 try { 22707 invokeCallback(callback, msg.what, args); 22708 } catch (RemoteException ignored) { 22709 } 22710 } 22711 mCallbacks.finishBroadcast(); 22712 args.recycle(); 22713 } 22714 22715 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 22716 throws RemoteException { 22717 switch (what) { 22718 case MSG_CREATED: { 22719 callback.onCreated(args.argi1, (Bundle) args.arg2); 22720 break; 22721 } 22722 case MSG_STATUS_CHANGED: { 22723 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 22724 break; 22725 } 22726 } 22727 } 22728 22729 private void notifyCreated(int moveId, Bundle extras) { 22730 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 22731 22732 final SomeArgs args = SomeArgs.obtain(); 22733 args.argi1 = moveId; 22734 args.arg2 = extras; 22735 obtainMessage(MSG_CREATED, args).sendToTarget(); 22736 } 22737 22738 private void notifyStatusChanged(int moveId, int status) { 22739 notifyStatusChanged(moveId, status, -1); 22740 } 22741 22742 private void notifyStatusChanged(int moveId, int status, long estMillis) { 22743 Slog.v(TAG, "Move " + moveId + " status " + status); 22744 22745 final SomeArgs args = SomeArgs.obtain(); 22746 args.argi1 = moveId; 22747 args.argi2 = status; 22748 args.arg3 = estMillis; 22749 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 22750 22751 synchronized (mLastStatus) { 22752 mLastStatus.put(moveId, status); 22753 } 22754 } 22755 } 22756 22757 private final static class OnPermissionChangeListeners extends Handler { 22758 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 22759 22760 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 22761 new RemoteCallbackList<>(); 22762 22763 public OnPermissionChangeListeners(Looper looper) { 22764 super(looper); 22765 } 22766 22767 @Override 22768 public void handleMessage(Message msg) { 22769 switch (msg.what) { 22770 case MSG_ON_PERMISSIONS_CHANGED: { 22771 final int uid = msg.arg1; 22772 handleOnPermissionsChanged(uid); 22773 } break; 22774 } 22775 } 22776 22777 public void addListenerLocked(IOnPermissionsChangeListener listener) { 22778 mPermissionListeners.register(listener); 22779 22780 } 22781 22782 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 22783 mPermissionListeners.unregister(listener); 22784 } 22785 22786 public void onPermissionsChanged(int uid) { 22787 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 22788 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 22789 } 22790 } 22791 22792 private void handleOnPermissionsChanged(int uid) { 22793 final int count = mPermissionListeners.beginBroadcast(); 22794 try { 22795 for (int i = 0; i < count; i++) { 22796 IOnPermissionsChangeListener callback = mPermissionListeners 22797 .getBroadcastItem(i); 22798 try { 22799 callback.onPermissionsChanged(uid); 22800 } catch (RemoteException e) { 22801 Log.e(TAG, "Permission listener is dead", e); 22802 } 22803 } 22804 } finally { 22805 mPermissionListeners.finishBroadcast(); 22806 } 22807 } 22808 } 22809 22810 private class PackageManagerInternalImpl extends PackageManagerInternal { 22811 @Override 22812 public void setLocationPackagesProvider(PackagesProvider provider) { 22813 synchronized (mPackages) { 22814 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 22815 } 22816 } 22817 22818 @Override 22819 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 22820 synchronized (mPackages) { 22821 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 22822 } 22823 } 22824 22825 @Override 22826 public void setSmsAppPackagesProvider(PackagesProvider provider) { 22827 synchronized (mPackages) { 22828 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 22829 } 22830 } 22831 22832 @Override 22833 public void setDialerAppPackagesProvider(PackagesProvider provider) { 22834 synchronized (mPackages) { 22835 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 22836 } 22837 } 22838 22839 @Override 22840 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 22841 synchronized (mPackages) { 22842 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 22843 } 22844 } 22845 22846 @Override 22847 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 22848 synchronized (mPackages) { 22849 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 22850 } 22851 } 22852 22853 @Override 22854 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 22855 synchronized (mPackages) { 22856 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 22857 packageName, userId); 22858 } 22859 } 22860 22861 @Override 22862 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 22863 synchronized (mPackages) { 22864 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 22865 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 22866 packageName, userId); 22867 } 22868 } 22869 22870 @Override 22871 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 22872 synchronized (mPackages) { 22873 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 22874 packageName, userId); 22875 } 22876 } 22877 22878 @Override 22879 public void setKeepUninstalledPackages(final List<String> packageList) { 22880 Preconditions.checkNotNull(packageList); 22881 List<String> removedFromList = null; 22882 synchronized (mPackages) { 22883 if (mKeepUninstalledPackages != null) { 22884 final int packagesCount = mKeepUninstalledPackages.size(); 22885 for (int i = 0; i < packagesCount; i++) { 22886 String oldPackage = mKeepUninstalledPackages.get(i); 22887 if (packageList != null && packageList.contains(oldPackage)) { 22888 continue; 22889 } 22890 if (removedFromList == null) { 22891 removedFromList = new ArrayList<>(); 22892 } 22893 removedFromList.add(oldPackage); 22894 } 22895 } 22896 mKeepUninstalledPackages = new ArrayList<>(packageList); 22897 if (removedFromList != null) { 22898 final int removedCount = removedFromList.size(); 22899 for (int i = 0; i < removedCount; i++) { 22900 deletePackageIfUnusedLPr(removedFromList.get(i)); 22901 } 22902 } 22903 } 22904 } 22905 22906 @Override 22907 public boolean isPermissionsReviewRequired(String packageName, int userId) { 22908 synchronized (mPackages) { 22909 // If we do not support permission review, done. 22910 if (!mPermissionReviewRequired) { 22911 return false; 22912 } 22913 22914 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 22915 if (packageSetting == null) { 22916 return false; 22917 } 22918 22919 // Permission review applies only to apps not supporting the new permission model. 22920 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 22921 return false; 22922 } 22923 22924 // Legacy apps have the permission and get user consent on launch. 22925 PermissionsState permissionsState = packageSetting.getPermissionsState(); 22926 return permissionsState.isPermissionReviewRequired(userId); 22927 } 22928 } 22929 22930 @Override 22931 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 22932 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 22933 } 22934 22935 @Override 22936 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 22937 int userId) { 22938 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 22939 } 22940 22941 @Override 22942 public void setDeviceAndProfileOwnerPackages( 22943 int deviceOwnerUserId, String deviceOwnerPackage, 22944 SparseArray<String> profileOwnerPackages) { 22945 mProtectedPackages.setDeviceAndProfileOwnerPackages( 22946 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 22947 } 22948 22949 @Override 22950 public boolean isPackageDataProtected(int userId, String packageName) { 22951 return mProtectedPackages.isPackageDataProtected(userId, packageName); 22952 } 22953 22954 @Override 22955 public boolean isPackageEphemeral(int userId, String packageName) { 22956 synchronized (mPackages) { 22957 final PackageSetting ps = mSettings.mPackages.get(packageName); 22958 return ps != null ? ps.getInstantApp(userId) : false; 22959 } 22960 } 22961 22962 @Override 22963 public boolean wasPackageEverLaunched(String packageName, int userId) { 22964 synchronized (mPackages) { 22965 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 22966 } 22967 } 22968 22969 @Override 22970 public void grantRuntimePermission(String packageName, String name, int userId, 22971 boolean overridePolicy) { 22972 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 22973 overridePolicy); 22974 } 22975 22976 @Override 22977 public void revokeRuntimePermission(String packageName, String name, int userId, 22978 boolean overridePolicy) { 22979 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 22980 overridePolicy); 22981 } 22982 22983 @Override 22984 public String getNameForUid(int uid) { 22985 return PackageManagerService.this.getNameForUid(uid); 22986 } 22987 22988 @Override 22989 public void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 22990 Intent origIntent, String resolvedType, String callingPackage, int userId) { 22991 PackageManagerService.this.requestInstantAppResolutionPhaseTwo( 22992 responseObj, origIntent, resolvedType, callingPackage, userId); 22993 } 22994 22995 @Override 22996 public void grantEphemeralAccess(int userId, Intent intent, 22997 int targetAppId, int ephemeralAppId) { 22998 synchronized (mPackages) { 22999 mInstantAppRegistry.grantInstantAccessLPw(userId, intent, 23000 targetAppId, ephemeralAppId); 23001 } 23002 } 23003 23004 @Override 23005 public void pruneInstantApps() { 23006 synchronized (mPackages) { 23007 mInstantAppRegistry.pruneInstantAppsLPw(); 23008 } 23009 } 23010 23011 @Override 23012 public String getSetupWizardPackageName() { 23013 return mSetupWizardPackage; 23014 } 23015 23016 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 23017 if (policy != null) { 23018 mExternalSourcesPolicy = policy; 23019 } 23020 } 23021 23022 @Override 23023 public boolean isPackagePersistent(String packageName) { 23024 synchronized (mPackages) { 23025 PackageParser.Package pkg = mPackages.get(packageName); 23026 return pkg != null 23027 ? ((pkg.applicationInfo.flags&(ApplicationInfo.FLAG_SYSTEM 23028 | ApplicationInfo.FLAG_PERSISTENT)) == 23029 (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_PERSISTENT)) 23030 : false; 23031 } 23032 } 23033 23034 @Override 23035 public List<PackageInfo> getOverlayPackages(int userId) { 23036 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 23037 synchronized (mPackages) { 23038 for (PackageParser.Package p : mPackages.values()) { 23039 if (p.mOverlayTarget != null) { 23040 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 23041 if (pkg != null) { 23042 overlayPackages.add(pkg); 23043 } 23044 } 23045 } 23046 } 23047 return overlayPackages; 23048 } 23049 23050 @Override 23051 public List<String> getTargetPackageNames(int userId) { 23052 List<String> targetPackages = new ArrayList<>(); 23053 synchronized (mPackages) { 23054 for (PackageParser.Package p : mPackages.values()) { 23055 if (p.mOverlayTarget == null) { 23056 targetPackages.add(p.packageName); 23057 } 23058 } 23059 } 23060 return targetPackages; 23061 } 23062 23063 @Override 23064 public boolean setEnabledOverlayPackages(int userId, @NonNull String targetPackageName, 23065 @Nullable List<String> overlayPackageNames) { 23066 synchronized (mPackages) { 23067 if (targetPackageName == null || mPackages.get(targetPackageName) == null) { 23068 Slog.e(TAG, "failed to find package " + targetPackageName); 23069 return false; 23070 } 23071 23072 ArrayList<String> paths = null; 23073 if (overlayPackageNames != null) { 23074 final int N = overlayPackageNames.size(); 23075 paths = new ArrayList<>(N); 23076 for (int i = 0; i < N; i++) { 23077 final String packageName = overlayPackageNames.get(i); 23078 final PackageParser.Package pkg = mPackages.get(packageName); 23079 if (pkg == null) { 23080 Slog.e(TAG, "failed to find package " + packageName); 23081 return false; 23082 } 23083 paths.add(pkg.baseCodePath); 23084 } 23085 } 23086 23087 ArrayMap<String, ArrayList<String>> userSpecificOverlays = 23088 mEnabledOverlayPaths.get(userId); 23089 if (userSpecificOverlays == null) { 23090 userSpecificOverlays = new ArrayMap<>(); 23091 mEnabledOverlayPaths.put(userId, userSpecificOverlays); 23092 } 23093 23094 if (paths != null && paths.size() > 0) { 23095 userSpecificOverlays.put(targetPackageName, paths); 23096 } else { 23097 userSpecificOverlays.remove(targetPackageName); 23098 } 23099 return true; 23100 } 23101 } 23102 23103 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 23104 int flags, int userId) { 23105 return resolveIntentInternal( 23106 intent, resolvedType, flags, userId, true /*includeInstantApp*/); 23107 } 23108 } 23109 23110 @Override 23111 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 23112 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 23113 synchronized (mPackages) { 23114 final long identity = Binder.clearCallingIdentity(); 23115 try { 23116 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 23117 packageNames, userId); 23118 } finally { 23119 Binder.restoreCallingIdentity(identity); 23120 } 23121 } 23122 } 23123 23124 @Override 23125 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 23126 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 23127 synchronized (mPackages) { 23128 final long identity = Binder.clearCallingIdentity(); 23129 try { 23130 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServicesLPr( 23131 packageNames, userId); 23132 } finally { 23133 Binder.restoreCallingIdentity(identity); 23134 } 23135 } 23136 } 23137 23138 private static void enforceSystemOrPhoneCaller(String tag) { 23139 int callingUid = Binder.getCallingUid(); 23140 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 23141 throw new SecurityException( 23142 "Cannot call " + tag + " from UID " + callingUid); 23143 } 23144 } 23145 23146 boolean isHistoricalPackageUsageAvailable() { 23147 return mPackageUsage.isHistoricalPackageUsageAvailable(); 23148 } 23149 23150 /** 23151 * Return a <b>copy</b> of the collection of packages known to the package manager. 23152 * @return A copy of the values of mPackages. 23153 */ 23154 Collection<PackageParser.Package> getPackages() { 23155 synchronized (mPackages) { 23156 return new ArrayList<>(mPackages.values()); 23157 } 23158 } 23159 23160 /** 23161 * Logs process start information (including base APK hash) to the security log. 23162 * @hide 23163 */ 23164 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 23165 String apkFile, int pid) { 23166 if (!SecurityLog.isLoggingEnabled()) { 23167 return; 23168 } 23169 Bundle data = new Bundle(); 23170 data.putLong("startTimestamp", System.currentTimeMillis()); 23171 data.putString("processName", processName); 23172 data.putInt("uid", uid); 23173 data.putString("seinfo", seinfo); 23174 data.putString("apkFile", apkFile); 23175 data.putInt("pid", pid); 23176 Message msg = mProcessLoggingHandler.obtainMessage( 23177 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 23178 msg.setData(data); 23179 mProcessLoggingHandler.sendMessage(msg); 23180 } 23181 23182 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 23183 return mCompilerStats.getPackageStats(pkgName); 23184 } 23185 23186 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 23187 return getOrCreateCompilerPackageStats(pkg.packageName); 23188 } 23189 23190 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 23191 return mCompilerStats.getOrCreatePackageStats(pkgName); 23192 } 23193 23194 public void deleteCompilerPackageStats(String pkgName) { 23195 mCompilerStats.deletePackageStats(pkgName); 23196 } 23197 23198 @Override 23199 public int getInstallReason(String packageName, int userId) { 23200 enforceCrossUserPermission(Binder.getCallingUid(), userId, 23201 true /* requireFullPermission */, false /* checkShell */, 23202 "get install reason"); 23203 synchronized (mPackages) { 23204 final PackageSetting ps = mSettings.mPackages.get(packageName); 23205 if (ps != null) { 23206 return ps.getInstallReason(userId); 23207 } 23208 } 23209 return PackageManager.INSTALL_REASON_UNKNOWN; 23210 } 23211 23212 @Override 23213 public boolean canRequestPackageInstalls(String packageName, int userId) { 23214 int callingUid = Binder.getCallingUid(); 23215 int uid = getPackageUid(packageName, 0, userId); 23216 if (callingUid != uid && callingUid != Process.ROOT_UID 23217 && callingUid != Process.SYSTEM_UID) { 23218 throw new SecurityException( 23219 "Caller uid " + callingUid + " does not own package " + packageName); 23220 } 23221 ApplicationInfo info = getApplicationInfo(packageName, 0, userId); 23222 if (info == null) { 23223 return false; 23224 } 23225 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 23226 throw new UnsupportedOperationException( 23227 "Operation only supported on apps targeting Android O or higher"); 23228 } 23229 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 23230 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 23231 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 23232 throw new SecurityException("Need to declare " + appOpPermission + " to call this api"); 23233 } 23234 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 23235 return false; 23236 } 23237 if (mExternalSourcesPolicy != null) { 23238 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 23239 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 23240 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 23241 } 23242 } 23243 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 23244 } 23245} 23246