PackageManagerService.java revision 4b0aa4db3a0d8101293832dd554b53cb8a0114b9
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.DELETE_PACKAGES; 20import static android.Manifest.permission.INSTALL_PACKAGES; 21import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 22import static android.Manifest.permission.REQUEST_DELETE_PACKAGES; 23import static android.Manifest.permission.REQUEST_INSTALL_PACKAGES; 24import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 25import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 27import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 28import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 29import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 30import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 31import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 35import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 36import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 37import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 38import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 39import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 40import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 41import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 42import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 46import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 47import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 48import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 49import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 50import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 51import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 53import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 54import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 55import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 56import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 57import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 58import static android.content.pm.PackageManager.INSTALL_INTERNAL; 59import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 62import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 63import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 64import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 65import static android.content.pm.PackageManager.MATCH_ALL; 66import static android.content.pm.PackageManager.MATCH_ANY_USER; 67import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 68import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 69import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 70import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 71import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 72import static android.content.pm.PackageManager.MATCH_KNOWN_PACKAGES; 73import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 74import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 75import static android.content.pm.PackageManager.MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL; 76import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 77import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 78import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 79import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 80import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 81import static android.content.pm.PackageManager.PERMISSION_DENIED; 82import static android.content.pm.PackageManager.PERMISSION_GRANTED; 83import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 84import static android.content.pm.PackageParser.isApkFile; 85import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 86import static android.system.OsConstants.O_CREAT; 87import static android.system.OsConstants.O_RDWR; 88import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 89import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 90import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 91import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 92import static com.android.internal.util.ArrayUtils.appendInt; 93import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 94import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 95import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 96import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 97import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 98import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 99import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 100import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 101import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 102import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 103import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 104import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 105 106import android.Manifest; 107import android.annotation.NonNull; 108import android.annotation.Nullable; 109import android.app.ActivityManager; 110import android.app.AppOpsManager; 111import android.app.IActivityManager; 112import android.app.ResourcesManager; 113import android.app.admin.IDevicePolicyManager; 114import android.app.admin.SecurityLog; 115import android.app.backup.IBackupManager; 116import android.content.BroadcastReceiver; 117import android.content.ComponentName; 118import android.content.ContentResolver; 119import android.content.Context; 120import android.content.IIntentReceiver; 121import android.content.Intent; 122import android.content.IntentFilter; 123import android.content.IntentSender; 124import android.content.IntentSender.SendIntentException; 125import android.content.ServiceConnection; 126import android.content.pm.ActivityInfo; 127import android.content.pm.ApplicationInfo; 128import android.content.pm.AppsQueryHelper; 129import android.content.pm.ChangedPackages; 130import android.content.pm.ComponentInfo; 131import android.content.pm.InstantAppRequest; 132import android.content.pm.AuxiliaryResolveInfo; 133import android.content.pm.FallbackCategoryProvider; 134import android.content.pm.FeatureInfo; 135import android.content.pm.IOnPermissionsChangeListener; 136import android.content.pm.IPackageDataObserver; 137import android.content.pm.IPackageDeleteObserver; 138import android.content.pm.IPackageDeleteObserver2; 139import android.content.pm.IPackageInstallObserver2; 140import android.content.pm.IPackageInstaller; 141import android.content.pm.IPackageManager; 142import android.content.pm.IPackageMoveObserver; 143import android.content.pm.IPackageStatsObserver; 144import android.content.pm.InstantAppInfo; 145import android.content.pm.InstantAppResolveInfo; 146import android.content.pm.InstrumentationInfo; 147import android.content.pm.IntentFilterVerificationInfo; 148import android.content.pm.KeySet; 149import android.content.pm.PackageCleanItem; 150import android.content.pm.PackageInfo; 151import android.content.pm.PackageInfoLite; 152import android.content.pm.PackageInstaller; 153import android.content.pm.PackageManager; 154import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 155import android.content.pm.PackageManagerInternal; 156import android.content.pm.PackageParser; 157import android.content.pm.PackageParser.ActivityIntentInfo; 158import android.content.pm.PackageParser.PackageLite; 159import android.content.pm.PackageParser.PackageParserException; 160import android.content.pm.PackageStats; 161import android.content.pm.PackageUserState; 162import android.content.pm.ParceledListSlice; 163import android.content.pm.PermissionGroupInfo; 164import android.content.pm.PermissionInfo; 165import android.content.pm.ProviderInfo; 166import android.content.pm.ResolveInfo; 167import android.content.pm.SELinuxUtil; 168import android.content.pm.ServiceInfo; 169import android.content.pm.SharedLibraryInfo; 170import android.content.pm.Signature; 171import android.content.pm.UserInfo; 172import android.content.pm.VerifierDeviceIdentity; 173import android.content.pm.VerifierInfo; 174import android.content.pm.VersionedPackage; 175import android.content.res.Resources; 176import android.graphics.Bitmap; 177import android.hardware.display.DisplayManager; 178import android.net.Uri; 179import android.os.Binder; 180import android.os.Build; 181import android.os.Bundle; 182import android.os.Debug; 183import android.os.Environment; 184import android.os.Environment.UserEnvironment; 185import android.os.FileUtils; 186import android.os.Handler; 187import android.os.IBinder; 188import android.os.Looper; 189import android.os.Message; 190import android.os.Parcel; 191import android.os.ParcelFileDescriptor; 192import android.os.PatternMatcher; 193import android.os.Process; 194import android.os.RemoteCallbackList; 195import android.os.RemoteException; 196import android.os.ResultReceiver; 197import android.os.SELinux; 198import android.os.ServiceManager; 199import android.os.ShellCallback; 200import android.os.SystemClock; 201import android.os.SystemProperties; 202import android.os.Trace; 203import android.os.UserHandle; 204import android.os.UserManager; 205import android.os.UserManagerInternal; 206import android.os.storage.IStorageManager; 207import android.os.storage.StorageEventListener; 208import android.os.storage.StorageManager; 209import android.os.storage.StorageManagerInternal; 210import android.os.storage.VolumeInfo; 211import android.os.storage.VolumeRecord; 212import android.provider.Settings.Global; 213import android.provider.Settings.Secure; 214import android.security.KeyStore; 215import android.security.SystemKeyStore; 216import android.service.pm.PackageServiceDumpProto; 217import android.system.ErrnoException; 218import android.system.Os; 219import android.text.TextUtils; 220import android.text.format.DateUtils; 221import android.util.ArrayMap; 222import android.util.ArraySet; 223import android.util.Base64; 224import android.util.DisplayMetrics; 225import android.util.EventLog; 226import android.util.ExceptionUtils; 227import android.util.Log; 228import android.util.LogPrinter; 229import android.util.MathUtils; 230import android.util.PackageUtils; 231import android.util.Pair; 232import android.util.PrintStreamPrinter; 233import android.util.Slog; 234import android.util.SparseArray; 235import android.util.SparseBooleanArray; 236import android.util.SparseIntArray; 237import android.util.Xml; 238import android.util.jar.StrictJarFile; 239import android.util.proto.ProtoOutputStream; 240import android.view.Display; 241 242import com.android.internal.R; 243import com.android.internal.annotations.GuardedBy; 244import com.android.internal.app.IMediaContainerService; 245import com.android.internal.app.ResolverActivity; 246import com.android.internal.content.NativeLibraryHelper; 247import com.android.internal.content.PackageHelper; 248import com.android.internal.logging.MetricsLogger; 249import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 250import com.android.internal.os.IParcelFileDescriptorFactory; 251import com.android.internal.os.RoSystemProperties; 252import com.android.internal.os.SomeArgs; 253import com.android.internal.os.Zygote; 254import com.android.internal.telephony.CarrierAppUtils; 255import com.android.internal.util.ArrayUtils; 256import com.android.internal.util.ConcurrentUtils; 257import com.android.internal.util.FastPrintWriter; 258import com.android.internal.util.FastXmlSerializer; 259import com.android.internal.util.IndentingPrintWriter; 260import com.android.internal.util.Preconditions; 261import com.android.internal.util.XmlUtils; 262import com.android.server.AttributeCache; 263import com.android.server.DeviceIdleController; 264import com.android.server.EventLogTags; 265import com.android.server.FgThread; 266import com.android.server.IntentResolver; 267import com.android.server.LocalServices; 268import com.android.server.LockGuard; 269import com.android.server.ServiceThread; 270import com.android.server.SystemConfig; 271import com.android.server.SystemServerInitThreadPool; 272import com.android.server.Watchdog; 273import com.android.server.net.NetworkPolicyManagerInternal; 274import com.android.server.pm.BackgroundDexOptService; 275import com.android.server.pm.Installer.InstallerException; 276import com.android.server.pm.PermissionsState.PermissionState; 277import com.android.server.pm.Settings.DatabaseVersion; 278import com.android.server.pm.Settings.VersionInfo; 279import com.android.server.pm.dex.DexManager; 280import com.android.server.storage.DeviceStorageMonitorInternal; 281 282import dalvik.system.CloseGuard; 283import dalvik.system.DexFile; 284import dalvik.system.VMRuntime; 285 286import libcore.io.IoUtils; 287import libcore.util.EmptyArray; 288 289import org.xmlpull.v1.XmlPullParser; 290import org.xmlpull.v1.XmlPullParserException; 291import org.xmlpull.v1.XmlSerializer; 292 293import java.io.BufferedOutputStream; 294import java.io.BufferedReader; 295import java.io.ByteArrayInputStream; 296import java.io.ByteArrayOutputStream; 297import java.io.File; 298import java.io.FileDescriptor; 299import java.io.FileInputStream; 300import java.io.FileNotFoundException; 301import java.io.FileOutputStream; 302import java.io.FileReader; 303import java.io.FilenameFilter; 304import java.io.IOException; 305import java.io.PrintWriter; 306import java.nio.charset.StandardCharsets; 307import java.security.DigestInputStream; 308import java.security.MessageDigest; 309import java.security.NoSuchAlgorithmException; 310import java.security.PublicKey; 311import java.security.SecureRandom; 312import java.security.cert.Certificate; 313import java.security.cert.CertificateEncodingException; 314import java.security.cert.CertificateException; 315import java.text.SimpleDateFormat; 316import java.util.ArrayList; 317import java.util.Arrays; 318import java.util.Collection; 319import java.util.Collections; 320import java.util.Comparator; 321import java.util.Date; 322import java.util.HashMap; 323import java.util.HashSet; 324import java.util.Iterator; 325import java.util.List; 326import java.util.Map; 327import java.util.Objects; 328import java.util.Set; 329import java.util.concurrent.CountDownLatch; 330import java.util.concurrent.Future; 331import java.util.concurrent.TimeUnit; 332import java.util.concurrent.atomic.AtomicBoolean; 333import java.util.concurrent.atomic.AtomicInteger; 334 335/** 336 * Keep track of all those APKs everywhere. 337 * <p> 338 * Internally there are two important locks: 339 * <ul> 340 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 341 * and other related state. It is a fine-grained lock that should only be held 342 * momentarily, as it's one of the most contended locks in the system. 343 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 344 * operations typically involve heavy lifting of application data on disk. Since 345 * {@code installd} is single-threaded, and it's operations can often be slow, 346 * this lock should never be acquired while already holding {@link #mPackages}. 347 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 348 * holding {@link #mInstallLock}. 349 * </ul> 350 * Many internal methods rely on the caller to hold the appropriate locks, and 351 * this contract is expressed through method name suffixes: 352 * <ul> 353 * <li>fooLI(): the caller must hold {@link #mInstallLock} 354 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 355 * being modified must be frozen 356 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 357 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 358 * </ul> 359 * <p> 360 * Because this class is very central to the platform's security; please run all 361 * CTS and unit tests whenever making modifications: 362 * 363 * <pre> 364 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 365 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 366 * </pre> 367 */ 368public class PackageManagerService extends IPackageManager.Stub { 369 static final String TAG = "PackageManager"; 370 static final boolean DEBUG_SETTINGS = false; 371 static final boolean DEBUG_PREFERRED = false; 372 static final boolean DEBUG_UPGRADE = false; 373 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 374 private static final boolean DEBUG_BACKUP = false; 375 private static final boolean DEBUG_INSTALL = false; 376 private static final boolean DEBUG_REMOVE = false; 377 private static final boolean DEBUG_BROADCASTS = false; 378 private static final boolean DEBUG_SHOW_INFO = false; 379 private static final boolean DEBUG_PACKAGE_INFO = false; 380 private static final boolean DEBUG_INTENT_MATCHING = false; 381 private static final boolean DEBUG_PACKAGE_SCANNING = false; 382 private static final boolean DEBUG_VERIFY = false; 383 private static final boolean DEBUG_FILTERS = false; 384 385 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 386 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 387 // user, but by default initialize to this. 388 public static final boolean DEBUG_DEXOPT = false; 389 390 private static final boolean DEBUG_ABI_SELECTION = false; 391 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 392 private static final boolean DEBUG_TRIAGED_MISSING = false; 393 private static final boolean DEBUG_APP_DATA = false; 394 395 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 396 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 397 398 private static final boolean DISABLE_EPHEMERAL_APPS = false; 399 private static final boolean HIDE_EPHEMERAL_APIS = false; 400 401 private static final boolean ENABLE_FREE_CACHE_V2 = 402 SystemProperties.getBoolean("fw.free_cache_v2", true); 403 404 private static final int RADIO_UID = Process.PHONE_UID; 405 private static final int LOG_UID = Process.LOG_UID; 406 private static final int NFC_UID = Process.NFC_UID; 407 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 408 private static final int SHELL_UID = Process.SHELL_UID; 409 410 // Cap the size of permission trees that 3rd party apps can define 411 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 412 413 // Suffix used during package installation when copying/moving 414 // package apks to install directory. 415 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 416 417 static final int SCAN_NO_DEX = 1<<1; 418 static final int SCAN_FORCE_DEX = 1<<2; 419 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 420 static final int SCAN_NEW_INSTALL = 1<<4; 421 static final int SCAN_UPDATE_TIME = 1<<5; 422 static final int SCAN_BOOTING = 1<<6; 423 static final int SCAN_TRUSTED_OVERLAY = 1<<7; 424 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<8; 425 static final int SCAN_REPLACING = 1<<9; 426 static final int SCAN_REQUIRE_KNOWN = 1<<10; 427 static final int SCAN_MOVE = 1<<11; 428 static final int SCAN_INITIAL = 1<<12; 429 static final int SCAN_CHECK_ONLY = 1<<13; 430 static final int SCAN_DONT_KILL_APP = 1<<14; 431 static final int SCAN_IGNORE_FROZEN = 1<<15; 432 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<16; 433 static final int SCAN_AS_INSTANT_APP = 1<<17; 434 static final int SCAN_AS_FULL_APP = 1<<18; 435 /** Should not be with the scan flags */ 436 static final int FLAGS_REMOVE_CHATTY = 1<<31; 437 438 private static final String STATIC_SHARED_LIB_DELIMITER = "_"; 439 440 private static final int[] EMPTY_INT_ARRAY = new int[0]; 441 442 /** 443 * Timeout (in milliseconds) after which the watchdog should declare that 444 * our handler thread is wedged. The usual default for such things is one 445 * minute but we sometimes do very lengthy I/O operations on this thread, 446 * such as installing multi-gigabyte applications, so ours needs to be longer. 447 */ 448 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 449 450 /** 451 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 452 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 453 * settings entry if available, otherwise we use the hardcoded default. If it's been 454 * more than this long since the last fstrim, we force one during the boot sequence. 455 * 456 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 457 * one gets run at the next available charging+idle time. This final mandatory 458 * no-fstrim check kicks in only of the other scheduling criteria is never met. 459 */ 460 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 461 462 /** 463 * Whether verification is enabled by default. 464 */ 465 private static final boolean DEFAULT_VERIFY_ENABLE = true; 466 467 /** 468 * The default maximum time to wait for the verification agent to return in 469 * milliseconds. 470 */ 471 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 472 473 /** 474 * The default response for package verification timeout. 475 * 476 * This can be either PackageManager.VERIFICATION_ALLOW or 477 * PackageManager.VERIFICATION_REJECT. 478 */ 479 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 480 481 static final String PLATFORM_PACKAGE_NAME = "android"; 482 483 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 484 485 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 486 DEFAULT_CONTAINER_PACKAGE, 487 "com.android.defcontainer.DefaultContainerService"); 488 489 private static final String KILL_APP_REASON_GIDS_CHANGED = 490 "permission grant or revoke changed gids"; 491 492 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 493 "permissions revoked"; 494 495 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 496 497 private static final String PACKAGE_SCHEME = "package"; 498 499 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 500 501 /** Permission grant: not grant the permission. */ 502 private static final int GRANT_DENIED = 1; 503 504 /** Permission grant: grant the permission as an install permission. */ 505 private static final int GRANT_INSTALL = 2; 506 507 /** Permission grant: grant the permission as a runtime one. */ 508 private static final int GRANT_RUNTIME = 3; 509 510 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 511 private static final int GRANT_UPGRADE = 4; 512 513 /** Canonical intent used to identify what counts as a "web browser" app */ 514 private static final Intent sBrowserIntent; 515 static { 516 sBrowserIntent = new Intent(); 517 sBrowserIntent.setAction(Intent.ACTION_VIEW); 518 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 519 sBrowserIntent.setData(Uri.parse("http:")); 520 } 521 522 /** 523 * The set of all protected actions [i.e. those actions for which a high priority 524 * intent filter is disallowed]. 525 */ 526 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 527 static { 528 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 529 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 530 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 531 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 532 } 533 534 // Compilation reasons. 535 public static final int REASON_FIRST_BOOT = 0; 536 public static final int REASON_BOOT = 1; 537 public static final int REASON_INSTALL = 2; 538 public static final int REASON_BACKGROUND_DEXOPT = 3; 539 public static final int REASON_AB_OTA = 4; 540 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 541 public static final int REASON_SHARED_APK = 6; 542 public static final int REASON_FORCED_DEXOPT = 7; 543 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 ActivityInfo mInstantAppInstallerActivity; 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 final boolean instantApp = isInstantApp(pkg.packageName, userId); 2042 2043 for (String permission : pkg.requestedPermissions) { 2044 final BasePermission bp; 2045 synchronized (mPackages) { 2046 bp = mSettings.mPermissions.get(permission); 2047 } 2048 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2049 && (!instantApp || bp.isInstant()) 2050 && (grantedPermissions == null 2051 || ArrayUtils.contains(grantedPermissions, permission))) { 2052 final int flags = permissionsState.getPermissionFlags(permission, userId); 2053 if (supportsRuntimePermissions) { 2054 // Installer cannot change immutable permissions. 2055 if ((flags & immutableFlags) == 0) { 2056 grantRuntimePermission(pkg.packageName, permission, userId); 2057 } 2058 } else if (mPermissionReviewRequired) { 2059 // In permission review mode we clear the review flag when we 2060 // are asked to install the app with all permissions granted. 2061 if ((flags & PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 2062 updatePermissionFlags(permission, pkg.packageName, 2063 PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED, 0, userId); 2064 } 2065 } 2066 } 2067 } 2068 } 2069 2070 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2071 Bundle extras = null; 2072 switch (res.returnCode) { 2073 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2074 extras = new Bundle(); 2075 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2076 res.origPermission); 2077 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2078 res.origPackage); 2079 break; 2080 } 2081 case PackageManager.INSTALL_SUCCEEDED: { 2082 extras = new Bundle(); 2083 extras.putBoolean(Intent.EXTRA_REPLACING, 2084 res.removedInfo != null && res.removedInfo.removedPackage != null); 2085 break; 2086 } 2087 } 2088 return extras; 2089 } 2090 2091 void scheduleWriteSettingsLocked() { 2092 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2093 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2094 } 2095 } 2096 2097 void scheduleWritePackageListLocked(int userId) { 2098 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2099 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2100 msg.arg1 = userId; 2101 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2102 } 2103 } 2104 2105 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2106 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2107 scheduleWritePackageRestrictionsLocked(userId); 2108 } 2109 2110 void scheduleWritePackageRestrictionsLocked(int userId) { 2111 final int[] userIds = (userId == UserHandle.USER_ALL) 2112 ? sUserManager.getUserIds() : new int[]{userId}; 2113 for (int nextUserId : userIds) { 2114 if (!sUserManager.exists(nextUserId)) return; 2115 mDirtyUsers.add(nextUserId); 2116 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2117 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2118 } 2119 } 2120 } 2121 2122 public static PackageManagerService main(Context context, Installer installer, 2123 boolean factoryTest, boolean onlyCore) { 2124 // Self-check for initial settings. 2125 PackageManagerServiceCompilerMapping.checkProperties(); 2126 2127 PackageManagerService m = new PackageManagerService(context, installer, 2128 factoryTest, onlyCore); 2129 m.enableSystemUserPackages(); 2130 ServiceManager.addService("package", m); 2131 return m; 2132 } 2133 2134 private void enableSystemUserPackages() { 2135 if (!UserManager.isSplitSystemUser()) { 2136 return; 2137 } 2138 // For system user, enable apps based on the following conditions: 2139 // - app is whitelisted or belong to one of these groups: 2140 // -- system app which has no launcher icons 2141 // -- system app which has INTERACT_ACROSS_USERS permission 2142 // -- system IME app 2143 // - app is not in the blacklist 2144 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2145 Set<String> enableApps = new ArraySet<>(); 2146 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2147 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2148 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2149 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2150 enableApps.addAll(wlApps); 2151 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2152 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2153 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2154 enableApps.removeAll(blApps); 2155 Log.i(TAG, "Applications installed for system user: " + enableApps); 2156 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2157 UserHandle.SYSTEM); 2158 final int allAppsSize = allAps.size(); 2159 synchronized (mPackages) { 2160 for (int i = 0; i < allAppsSize; i++) { 2161 String pName = allAps.get(i); 2162 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2163 // Should not happen, but we shouldn't be failing if it does 2164 if (pkgSetting == null) { 2165 continue; 2166 } 2167 boolean install = enableApps.contains(pName); 2168 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2169 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2170 + " for system user"); 2171 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2172 } 2173 } 2174 scheduleWritePackageRestrictionsLocked(UserHandle.USER_SYSTEM); 2175 } 2176 } 2177 2178 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2179 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2180 Context.DISPLAY_SERVICE); 2181 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2182 } 2183 2184 /** 2185 * Requests that files preopted on a secondary system partition be copied to the data partition 2186 * if possible. Note that the actual copying of the files is accomplished by init for security 2187 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2188 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2189 */ 2190 private static void requestCopyPreoptedFiles() { 2191 final int WAIT_TIME_MS = 100; 2192 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2193 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2194 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2195 // We will wait for up to 100 seconds. 2196 final long timeStart = SystemClock.uptimeMillis(); 2197 final long timeEnd = timeStart + 100 * 1000; 2198 long timeNow = timeStart; 2199 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2200 try { 2201 Thread.sleep(WAIT_TIME_MS); 2202 } catch (InterruptedException e) { 2203 // Do nothing 2204 } 2205 timeNow = SystemClock.uptimeMillis(); 2206 if (timeNow > timeEnd) { 2207 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2208 Slog.wtf(TAG, "cppreopt did not finish!"); 2209 break; 2210 } 2211 } 2212 2213 Slog.i(TAG, "cppreopts took " + (timeNow - timeStart) + " ms"); 2214 } 2215 } 2216 2217 public PackageManagerService(Context context, Installer installer, 2218 boolean factoryTest, boolean onlyCore) { 2219 LockGuard.installLock(mPackages, LockGuard.INDEX_PACKAGES); 2220 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2221 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2222 SystemClock.uptimeMillis()); 2223 2224 if (mSdkVersion <= 0) { 2225 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2226 } 2227 2228 mContext = context; 2229 2230 mPermissionReviewRequired = context.getResources().getBoolean( 2231 R.bool.config_permissionReviewRequired); 2232 2233 mFactoryTest = factoryTest; 2234 mOnlyCore = onlyCore; 2235 mMetrics = new DisplayMetrics(); 2236 mSettings = new Settings(mPackages); 2237 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2238 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2239 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2240 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2241 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2242 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2243 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2244 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2245 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2246 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2247 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2248 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2249 2250 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2251 if (separateProcesses != null && separateProcesses.length() > 0) { 2252 if ("*".equals(separateProcesses)) { 2253 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2254 mSeparateProcesses = null; 2255 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2256 } else { 2257 mDefParseFlags = 0; 2258 mSeparateProcesses = separateProcesses.split(","); 2259 Slog.w(TAG, "Running with debug.separate_processes: " 2260 + separateProcesses); 2261 } 2262 } else { 2263 mDefParseFlags = 0; 2264 mSeparateProcesses = null; 2265 } 2266 2267 mInstaller = installer; 2268 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2269 "*dexopt*"); 2270 mDexManager = new DexManager(this, mPackageDexOptimizer, installer, mInstallLock); 2271 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2272 2273 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2274 FgThread.get().getLooper()); 2275 2276 getDefaultDisplayMetrics(context, mMetrics); 2277 2278 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2279 SystemConfig systemConfig = SystemConfig.getInstance(); 2280 mGlobalGids = systemConfig.getGlobalGids(); 2281 mSystemPermissions = systemConfig.getSystemPermissions(); 2282 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2283 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2284 2285 mProtectedPackages = new ProtectedPackages(mContext); 2286 2287 synchronized (mInstallLock) { 2288 // writer 2289 synchronized (mPackages) { 2290 mHandlerThread = new ServiceThread(TAG, 2291 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2292 mHandlerThread.start(); 2293 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2294 mProcessLoggingHandler = new ProcessLoggingHandler(); 2295 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2296 2297 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2298 mInstantAppRegistry = new InstantAppRegistry(this); 2299 2300 File dataDir = Environment.getDataDirectory(); 2301 mAppInstallDir = new File(dataDir, "app"); 2302 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2303 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2304 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2305 sUserManager = new UserManagerService(context, this, 2306 new UserDataPreparer(mInstaller, mInstallLock, mContext, mOnlyCore), mPackages); 2307 2308 // Propagate permission configuration in to package manager. 2309 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2310 = systemConfig.getPermissions(); 2311 for (int i=0; i<permConfig.size(); i++) { 2312 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2313 BasePermission bp = mSettings.mPermissions.get(perm.name); 2314 if (bp == null) { 2315 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2316 mSettings.mPermissions.put(perm.name, bp); 2317 } 2318 if (perm.gids != null) { 2319 bp.setGids(perm.gids, perm.perUser); 2320 } 2321 } 2322 2323 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2324 final int builtInLibCount = libConfig.size(); 2325 for (int i = 0; i < builtInLibCount; i++) { 2326 String name = libConfig.keyAt(i); 2327 String path = libConfig.valueAt(i); 2328 addSharedLibraryLPw(path, null, name, SharedLibraryInfo.VERSION_UNDEFINED, 2329 SharedLibraryInfo.TYPE_BUILTIN, PLATFORM_PACKAGE_NAME, 0); 2330 } 2331 2332 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2333 2334 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2335 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2336 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2337 2338 // Clean up orphaned packages for which the code path doesn't exist 2339 // and they are an update to a system app - caused by bug/32321269 2340 final int packageSettingCount = mSettings.mPackages.size(); 2341 for (int i = packageSettingCount - 1; i >= 0; i--) { 2342 PackageSetting ps = mSettings.mPackages.valueAt(i); 2343 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2344 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2345 mSettings.mPackages.removeAt(i); 2346 mSettings.enableSystemPackageLPw(ps.name); 2347 } 2348 } 2349 2350 if (mFirstBoot) { 2351 requestCopyPreoptedFiles(); 2352 } 2353 2354 String customResolverActivity = Resources.getSystem().getString( 2355 R.string.config_customResolverActivity); 2356 if (TextUtils.isEmpty(customResolverActivity)) { 2357 customResolverActivity = null; 2358 } else { 2359 mCustomResolverComponentName = ComponentName.unflattenFromString( 2360 customResolverActivity); 2361 } 2362 2363 long startTime = SystemClock.uptimeMillis(); 2364 2365 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2366 startTime); 2367 2368 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2369 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2370 2371 if (bootClassPath == null) { 2372 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2373 } 2374 2375 if (systemServerClassPath == null) { 2376 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2377 } 2378 2379 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2380 final String[] dexCodeInstructionSets = 2381 getDexCodeInstructionSets( 2382 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2383 2384 /** 2385 * Ensure all external libraries have had dexopt run on them. 2386 */ 2387 if (mSharedLibraries.size() > 0) { 2388 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2389 // NOTE: For now, we're compiling these system "shared libraries" 2390 // (and framework jars) into all available architectures. It's possible 2391 // to compile them only when we come across an app that uses them (there's 2392 // already logic for that in scanPackageLI) but that adds some complexity. 2393 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2394 final int libCount = mSharedLibraries.size(); 2395 for (int i = 0; i < libCount; i++) { 2396 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 2397 final int versionCount = versionedLib.size(); 2398 for (int j = 0; j < versionCount; j++) { 2399 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 2400 final String libPath = libEntry.path != null 2401 ? libEntry.path : libEntry.apk; 2402 if (libPath == null) { 2403 continue; 2404 } 2405 try { 2406 // Shared libraries do not have profiles so we perform a full 2407 // AOT compilation (if needed). 2408 int dexoptNeeded = DexFile.getDexOptNeeded( 2409 libPath, dexCodeInstructionSet, 2410 getCompilerFilterForReason(REASON_SHARED_APK), 2411 false /* newProfile */); 2412 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2413 mInstaller.dexopt(libPath, Process.SYSTEM_UID, "*", 2414 dexCodeInstructionSet, dexoptNeeded, null, 2415 DEXOPT_PUBLIC, 2416 getCompilerFilterForReason(REASON_SHARED_APK), 2417 StorageManager.UUID_PRIVATE_INTERNAL, 2418 PackageDexOptimizer.SKIP_SHARED_LIBRARY_CHECK); 2419 } 2420 } catch (FileNotFoundException e) { 2421 Slog.w(TAG, "Library not found: " + libPath); 2422 } catch (IOException | InstallerException e) { 2423 Slog.w(TAG, "Cannot dexopt " + libPath + "; is it an APK or JAR? " 2424 + e.getMessage()); 2425 } 2426 } 2427 } 2428 } 2429 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2430 } 2431 2432 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2433 2434 final VersionInfo ver = mSettings.getInternalVersion(); 2435 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2436 2437 // when upgrading from pre-M, promote system app permissions from install to runtime 2438 mPromoteSystemApps = 2439 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2440 2441 // When upgrading from pre-N, we need to handle package extraction like first boot, 2442 // as there is no profiling data available. 2443 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2444 2445 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2446 2447 // save off the names of pre-existing system packages prior to scanning; we don't 2448 // want to automatically grant runtime permissions for new system apps 2449 if (mPromoteSystemApps) { 2450 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2451 while (pkgSettingIter.hasNext()) { 2452 PackageSetting ps = pkgSettingIter.next(); 2453 if (isSystemApp(ps)) { 2454 mExistingSystemPackages.add(ps.name); 2455 } 2456 } 2457 } 2458 2459 mCacheDir = preparePackageParserCache(mIsUpgrade); 2460 2461 // Set flag to monitor and not change apk file paths when 2462 // scanning install directories. 2463 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2464 2465 if (mIsUpgrade || mFirstBoot) { 2466 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2467 } 2468 2469 // Collect vendor overlay packages. (Do this before scanning any apps.) 2470 // For security and version matching reason, only consider 2471 // overlay packages if they reside in the right directory. 2472 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2473 | PackageParser.PARSE_IS_SYSTEM 2474 | PackageParser.PARSE_IS_SYSTEM_DIR 2475 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2476 2477 // Find base frameworks (resource packages without code). 2478 scanDirTracedLI(frameworkDir, mDefParseFlags 2479 | PackageParser.PARSE_IS_SYSTEM 2480 | PackageParser.PARSE_IS_SYSTEM_DIR 2481 | PackageParser.PARSE_IS_PRIVILEGED, 2482 scanFlags | SCAN_NO_DEX, 0); 2483 2484 // Collected privileged system packages. 2485 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2486 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2487 | PackageParser.PARSE_IS_SYSTEM 2488 | PackageParser.PARSE_IS_SYSTEM_DIR 2489 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2490 2491 // Collect ordinary system packages. 2492 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2493 scanDirTracedLI(systemAppDir, mDefParseFlags 2494 | PackageParser.PARSE_IS_SYSTEM 2495 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2496 2497 // Collect all vendor packages. 2498 File vendorAppDir = new File("/vendor/app"); 2499 try { 2500 vendorAppDir = vendorAppDir.getCanonicalFile(); 2501 } catch (IOException e) { 2502 // failed to look up canonical path, continue with original one 2503 } 2504 scanDirTracedLI(vendorAppDir, mDefParseFlags 2505 | PackageParser.PARSE_IS_SYSTEM 2506 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2507 2508 // Collect all OEM packages. 2509 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2510 scanDirTracedLI(oemAppDir, mDefParseFlags 2511 | PackageParser.PARSE_IS_SYSTEM 2512 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2513 2514 // Prune any system packages that no longer exist. 2515 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2516 if (!mOnlyCore) { 2517 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2518 while (psit.hasNext()) { 2519 PackageSetting ps = psit.next(); 2520 2521 /* 2522 * If this is not a system app, it can't be a 2523 * disable system app. 2524 */ 2525 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2526 continue; 2527 } 2528 2529 /* 2530 * If the package is scanned, it's not erased. 2531 */ 2532 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2533 if (scannedPkg != null) { 2534 /* 2535 * If the system app is both scanned and in the 2536 * disabled packages list, then it must have been 2537 * added via OTA. Remove it from the currently 2538 * scanned package so the previously user-installed 2539 * application can be scanned. 2540 */ 2541 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2542 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2543 + ps.name + "; removing system app. Last known codePath=" 2544 + ps.codePathString + ", installStatus=" + ps.installStatus 2545 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2546 + scannedPkg.mVersionCode); 2547 removePackageLI(scannedPkg, true); 2548 mExpectingBetter.put(ps.name, ps.codePath); 2549 } 2550 2551 continue; 2552 } 2553 2554 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2555 psit.remove(); 2556 logCriticalInfo(Log.WARN, "System package " + ps.name 2557 + " no longer exists; it's data will be wiped"); 2558 // Actual deletion of code and data will be handled by later 2559 // reconciliation step 2560 } else { 2561 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2562 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2563 possiblyDeletedUpdatedSystemApps.add(ps.name); 2564 } 2565 } 2566 } 2567 } 2568 2569 //look for any incomplete package installations 2570 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2571 for (int i = 0; i < deletePkgsList.size(); i++) { 2572 // Actual deletion of code and data will be handled by later 2573 // reconciliation step 2574 final String packageName = deletePkgsList.get(i).name; 2575 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2576 synchronized (mPackages) { 2577 mSettings.removePackageLPw(packageName); 2578 } 2579 } 2580 2581 //delete tmp files 2582 deleteTempPackageFiles(); 2583 2584 // Remove any shared userIDs that have no associated packages 2585 mSettings.pruneSharedUsersLPw(); 2586 2587 if (!mOnlyCore) { 2588 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2589 SystemClock.uptimeMillis()); 2590 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2591 2592 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2593 | PackageParser.PARSE_FORWARD_LOCK, 2594 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2595 2596 /** 2597 * Remove disable package settings for any updated system 2598 * apps that were removed via an OTA. If they're not a 2599 * previously-updated app, remove them completely. 2600 * Otherwise, just revoke their system-level permissions. 2601 */ 2602 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2603 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2604 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2605 2606 String msg; 2607 if (deletedPkg == null) { 2608 msg = "Updated system package " + deletedAppName 2609 + " no longer exists; it's data will be wiped"; 2610 // Actual deletion of code and data will be handled by later 2611 // reconciliation step 2612 } else { 2613 msg = "Updated system app + " + deletedAppName 2614 + " no longer present; removing system privileges for " 2615 + deletedAppName; 2616 2617 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2618 2619 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2620 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2621 } 2622 logCriticalInfo(Log.WARN, msg); 2623 } 2624 2625 /** 2626 * Make sure all system apps that we expected to appear on 2627 * the userdata partition actually showed up. If they never 2628 * appeared, crawl back and revive the system version. 2629 */ 2630 for (int i = 0; i < mExpectingBetter.size(); i++) { 2631 final String packageName = mExpectingBetter.keyAt(i); 2632 if (!mPackages.containsKey(packageName)) { 2633 final File scanFile = mExpectingBetter.valueAt(i); 2634 2635 logCriticalInfo(Log.WARN, "Expected better " + packageName 2636 + " but never showed up; reverting to system"); 2637 2638 int reparseFlags = mDefParseFlags; 2639 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2640 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2641 | PackageParser.PARSE_IS_SYSTEM_DIR 2642 | PackageParser.PARSE_IS_PRIVILEGED; 2643 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2644 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2645 | PackageParser.PARSE_IS_SYSTEM_DIR; 2646 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2647 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2648 | PackageParser.PARSE_IS_SYSTEM_DIR; 2649 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2650 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2651 | PackageParser.PARSE_IS_SYSTEM_DIR; 2652 } else { 2653 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2654 continue; 2655 } 2656 2657 mSettings.enableSystemPackageLPw(packageName); 2658 2659 try { 2660 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2661 } catch (PackageManagerException e) { 2662 Slog.e(TAG, "Failed to parse original system package: " 2663 + e.getMessage()); 2664 } 2665 } 2666 } 2667 } 2668 mExpectingBetter.clear(); 2669 2670 // Resolve the storage manager. 2671 mStorageManagerPackage = getStorageManagerPackageName(); 2672 2673 // Resolve protected action filters. Only the setup wizard is allowed to 2674 // have a high priority filter for these actions. 2675 mSetupWizardPackage = getSetupWizardPackageName(); 2676 if (mProtectedFilters.size() > 0) { 2677 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2678 Slog.i(TAG, "No setup wizard;" 2679 + " All protected intents capped to priority 0"); 2680 } 2681 for (ActivityIntentInfo filter : mProtectedFilters) { 2682 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2683 if (DEBUG_FILTERS) { 2684 Slog.i(TAG, "Found setup wizard;" 2685 + " allow priority " + filter.getPriority() + ";" 2686 + " package: " + filter.activity.info.packageName 2687 + " activity: " + filter.activity.className 2688 + " priority: " + filter.getPriority()); 2689 } 2690 // skip setup wizard; allow it to keep the high priority filter 2691 continue; 2692 } 2693 Slog.w(TAG, "Protected action; cap priority to 0;" 2694 + " package: " + filter.activity.info.packageName 2695 + " activity: " + filter.activity.className 2696 + " origPrio: " + filter.getPriority()); 2697 filter.setPriority(0); 2698 } 2699 } 2700 mDeferProtectedFilters = false; 2701 mProtectedFilters.clear(); 2702 2703 // Now that we know all of the shared libraries, update all clients to have 2704 // the correct library paths. 2705 updateAllSharedLibrariesLPw(null); 2706 2707 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2708 // NOTE: We ignore potential failures here during a system scan (like 2709 // the rest of the commands above) because there's precious little we 2710 // can do about it. A settings error is reported, though. 2711 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2712 } 2713 2714 // Now that we know all the packages we are keeping, 2715 // read and update their last usage times. 2716 mPackageUsage.read(mPackages); 2717 mCompilerStats.read(); 2718 2719 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2720 SystemClock.uptimeMillis()); 2721 Slog.i(TAG, "Time to scan packages: " 2722 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2723 + " seconds"); 2724 2725 // If the platform SDK has changed since the last time we booted, 2726 // we need to re-grant app permission to catch any new ones that 2727 // appear. This is really a hack, and means that apps can in some 2728 // cases get permissions that the user didn't initially explicitly 2729 // allow... it would be nice to have some better way to handle 2730 // this situation. 2731 int updateFlags = UPDATE_PERMISSIONS_ALL; 2732 if (ver.sdkVersion != mSdkVersion) { 2733 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2734 + mSdkVersion + "; regranting permissions for internal storage"); 2735 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2736 } 2737 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2738 ver.sdkVersion = mSdkVersion; 2739 2740 // If this is the first boot or an update from pre-M, and it is a normal 2741 // boot, then we need to initialize the default preferred apps across 2742 // all defined users. 2743 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2744 for (UserInfo user : sUserManager.getUsers(true)) { 2745 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2746 applyFactoryDefaultBrowserLPw(user.id); 2747 primeDomainVerificationsLPw(user.id); 2748 } 2749 } 2750 2751 // Prepare storage for system user really early during boot, 2752 // since core system apps like SettingsProvider and SystemUI 2753 // can't wait for user to start 2754 final int storageFlags; 2755 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2756 storageFlags = StorageManager.FLAG_STORAGE_DE; 2757 } else { 2758 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2759 } 2760 List<String> deferPackages = reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, 2761 UserHandle.USER_SYSTEM, storageFlags, true /* migrateAppData */, 2762 true /* onlyCoreApps */); 2763 mPrepareAppDataFuture = SystemServerInitThreadPool.get().submit(() -> { 2764 if (deferPackages == null || deferPackages.isEmpty()) { 2765 return; 2766 } 2767 int count = 0; 2768 for (String pkgName : deferPackages) { 2769 PackageParser.Package pkg = null; 2770 synchronized (mPackages) { 2771 PackageSetting ps = mSettings.getPackageLPr(pkgName); 2772 if (ps != null && ps.getInstalled(UserHandle.USER_SYSTEM)) { 2773 pkg = ps.pkg; 2774 } 2775 } 2776 if (pkg != null) { 2777 synchronized (mInstallLock) { 2778 prepareAppDataAndMigrateLIF(pkg, UserHandle.USER_SYSTEM, storageFlags, 2779 true /* maybeMigrateAppData */); 2780 } 2781 count++; 2782 } 2783 } 2784 Slog.i(TAG, "Deferred reconcileAppsData finished " + count + " packages"); 2785 }, "prepareAppData"); 2786 2787 // If this is first boot after an OTA, and a normal boot, then 2788 // we need to clear code cache directories. 2789 // Note that we do *not* clear the application profiles. These remain valid 2790 // across OTAs and are used to drive profile verification (post OTA) and 2791 // profile compilation (without waiting to collect a fresh set of profiles). 2792 if (mIsUpgrade && !onlyCore) { 2793 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2794 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2795 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2796 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2797 // No apps are running this early, so no need to freeze 2798 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2799 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2800 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2801 } 2802 } 2803 ver.fingerprint = Build.FINGERPRINT; 2804 } 2805 2806 checkDefaultBrowser(); 2807 2808 // clear only after permissions and other defaults have been updated 2809 mExistingSystemPackages.clear(); 2810 mPromoteSystemApps = false; 2811 2812 // All the changes are done during package scanning. 2813 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2814 2815 // can downgrade to reader 2816 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2817 mSettings.writeLPr(); 2818 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2819 2820 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2821 // early on (before the package manager declares itself as early) because other 2822 // components in the system server might ask for package contexts for these apps. 2823 // 2824 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2825 // (i.e, that the data partition is unavailable). 2826 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2827 long start = System.nanoTime(); 2828 List<PackageParser.Package> coreApps = new ArrayList<>(); 2829 for (PackageParser.Package pkg : mPackages.values()) { 2830 if (pkg.coreApp) { 2831 coreApps.add(pkg); 2832 } 2833 } 2834 2835 int[] stats = performDexOptUpgrade(coreApps, false, 2836 getCompilerFilterForReason(REASON_CORE_APP)); 2837 2838 final int elapsedTimeSeconds = 2839 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2840 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2841 2842 if (DEBUG_DEXOPT) { 2843 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2844 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2845 } 2846 2847 2848 // TODO: Should we log these stats to tron too ? 2849 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2850 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2851 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2852 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2853 } 2854 2855 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2856 SystemClock.uptimeMillis()); 2857 2858 if (!mOnlyCore) { 2859 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2860 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2861 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2862 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2863 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2864 mIntentFilterVerifierComponent); 2865 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2866 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES, 2867 SharedLibraryInfo.VERSION_UNDEFINED); 2868 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2869 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED, 2870 SharedLibraryInfo.VERSION_UNDEFINED); 2871 } else { 2872 mRequiredVerifierPackage = null; 2873 mRequiredInstallerPackage = null; 2874 mRequiredUninstallerPackage = null; 2875 mIntentFilterVerifierComponent = null; 2876 mIntentFilterVerifier = null; 2877 mServicesSystemSharedLibraryPackageName = null; 2878 mSharedSystemSharedLibraryPackageName = null; 2879 } 2880 2881 mInstallerService = new PackageInstallerService(context, this); 2882 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2883 if (ephemeralResolverComponent != null) { 2884 if (DEBUG_EPHEMERAL) { 2885 Slog.d(TAG, "Set ephemeral resolver: " + ephemeralResolverComponent); 2886 } 2887 mInstantAppResolverConnection = 2888 new EphemeralResolverConnection(mContext, ephemeralResolverComponent); 2889 } else { 2890 mInstantAppResolverConnection = null; 2891 } 2892 updateInstantAppInstallerLocked(); 2893 2894 // Read and update the usage of dex files. 2895 // Do this at the end of PM init so that all the packages have their 2896 // data directory reconciled. 2897 // At this point we know the code paths of the packages, so we can validate 2898 // the disk file and build the internal cache. 2899 // The usage file is expected to be small so loading and verifying it 2900 // should take a fairly small time compare to the other activities (e.g. package 2901 // scanning). 2902 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 2903 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 2904 for (int userId : currentUserIds) { 2905 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 2906 } 2907 mDexManager.load(userPackages); 2908 } // synchronized (mPackages) 2909 } // synchronized (mInstallLock) 2910 2911 // Now after opening every single application zip, make sure they 2912 // are all flushed. Not really needed, but keeps things nice and 2913 // tidy. 2914 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2915 Runtime.getRuntime().gc(); 2916 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2917 2918 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 2919 FallbackCategoryProvider.loadFallbacks(); 2920 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2921 2922 // The initial scanning above does many calls into installd while 2923 // holding the mPackages lock, but we're mostly interested in yelling 2924 // once we have a booted system. 2925 mInstaller.setWarnIfHeld(mPackages); 2926 2927 // Expose private service for system components to use. 2928 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2929 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2930 } 2931 2932 private void updateInstantAppInstallerLocked() { 2933 final ComponentName oldInstantAppInstallerComponent = mInstantAppInstallerComponent; 2934 final ActivityInfo newInstantAppInstaller = getEphemeralInstallerLPr(); 2935 ComponentName newInstantAppInstallerComponent = newInstantAppInstaller == null 2936 ? null : newInstantAppInstaller.getComponentName(); 2937 2938 if (newInstantAppInstallerComponent != null 2939 && !newInstantAppInstallerComponent.equals(oldInstantAppInstallerComponent)) { 2940 if (DEBUG_EPHEMERAL) { 2941 Slog.d(TAG, "Set ephemeral installer: " + newInstantAppInstallerComponent); 2942 } 2943 setUpInstantAppInstallerActivityLP(newInstantAppInstaller); 2944 } else if (DEBUG_EPHEMERAL && newInstantAppInstallerComponent == null) { 2945 Slog.d(TAG, "Unset ephemeral installer; none available"); 2946 } 2947 mInstantAppInstallerComponent = newInstantAppInstallerComponent; 2948 } 2949 2950 private static File preparePackageParserCache(boolean isUpgrade) { 2951 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 2952 return null; 2953 } 2954 2955 // Disable package parsing on eng builds to allow for faster incremental development. 2956 if ("eng".equals(Build.TYPE)) { 2957 return null; 2958 } 2959 2960 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 2961 Slog.i(TAG, "Disabling package parser cache due to system property."); 2962 return null; 2963 } 2964 2965 // The base directory for the package parser cache lives under /data/system/. 2966 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 2967 "package_cache"); 2968 if (cacheBaseDir == null) { 2969 return null; 2970 } 2971 2972 // If this is a system upgrade scenario, delete the contents of the package cache dir. 2973 // This also serves to "GC" unused entries when the package cache version changes (which 2974 // can only happen during upgrades). 2975 if (isUpgrade) { 2976 FileUtils.deleteContents(cacheBaseDir); 2977 } 2978 2979 2980 // Return the versioned package cache directory. This is something like 2981 // "/data/system/package_cache/1" 2982 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2983 2984 // The following is a workaround to aid development on non-numbered userdebug 2985 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 2986 // the system partition is newer. 2987 // 2988 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 2989 // that starts with "eng." to signify that this is an engineering build and not 2990 // destined for release. 2991 if ("userdebug".equals(Build.TYPE) && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 2992 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 2993 2994 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 2995 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 2996 // in general and should not be used for production changes. In this specific case, 2997 // we know that they will work. 2998 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2999 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 3000 FileUtils.deleteContents(cacheBaseDir); 3001 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 3002 } 3003 } 3004 3005 return cacheDir; 3006 } 3007 3008 @Override 3009 public boolean isFirstBoot() { 3010 return mFirstBoot; 3011 } 3012 3013 @Override 3014 public boolean isOnlyCoreApps() { 3015 return mOnlyCore; 3016 } 3017 3018 @Override 3019 public boolean isUpgrade() { 3020 return mIsUpgrade; 3021 } 3022 3023 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 3024 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 3025 3026 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3027 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3028 UserHandle.USER_SYSTEM); 3029 if (matches.size() == 1) { 3030 return matches.get(0).getComponentInfo().packageName; 3031 } else if (matches.size() == 0) { 3032 Log.e(TAG, "There should probably be a verifier, but, none were found"); 3033 return null; 3034 } 3035 throw new RuntimeException("There must be exactly one verifier; found " + matches); 3036 } 3037 3038 private @NonNull String getRequiredSharedLibraryLPr(String name, int version) { 3039 synchronized (mPackages) { 3040 SharedLibraryEntry libraryEntry = getSharedLibraryEntryLPr(name, version); 3041 if (libraryEntry == null) { 3042 throw new IllegalStateException("Missing required shared library:" + name); 3043 } 3044 return libraryEntry.apk; 3045 } 3046 } 3047 3048 private @NonNull String getRequiredInstallerLPr() { 3049 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 3050 intent.addCategory(Intent.CATEGORY_DEFAULT); 3051 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3052 3053 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3054 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3055 UserHandle.USER_SYSTEM); 3056 if (matches.size() == 1) { 3057 ResolveInfo resolveInfo = matches.get(0); 3058 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 3059 throw new RuntimeException("The installer must be a privileged app"); 3060 } 3061 return matches.get(0).getComponentInfo().packageName; 3062 } else { 3063 throw new RuntimeException("There must be exactly one installer; found " + matches); 3064 } 3065 } 3066 3067 private @NonNull String getRequiredUninstallerLPr() { 3068 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 3069 intent.addCategory(Intent.CATEGORY_DEFAULT); 3070 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 3071 3072 final ResolveInfo resolveInfo = resolveIntent(intent, null, 3073 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3074 UserHandle.USER_SYSTEM); 3075 if (resolveInfo == null || 3076 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 3077 throw new RuntimeException("There must be exactly one uninstaller; found " 3078 + resolveInfo); 3079 } 3080 return resolveInfo.getComponentInfo().packageName; 3081 } 3082 3083 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 3084 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 3085 3086 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3087 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3088 UserHandle.USER_SYSTEM); 3089 ResolveInfo best = null; 3090 final int N = matches.size(); 3091 for (int i = 0; i < N; i++) { 3092 final ResolveInfo cur = matches.get(i); 3093 final String packageName = cur.getComponentInfo().packageName; 3094 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 3095 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 3096 continue; 3097 } 3098 3099 if (best == null || cur.priority > best.priority) { 3100 best = cur; 3101 } 3102 } 3103 3104 if (best != null) { 3105 return best.getComponentInfo().getComponentName(); 3106 } else { 3107 throw new RuntimeException("There must be at least one intent filter verifier"); 3108 } 3109 } 3110 3111 private @Nullable ComponentName getEphemeralResolverLPr() { 3112 final String[] packageArray = 3113 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3114 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3115 if (DEBUG_EPHEMERAL) { 3116 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3117 } 3118 return null; 3119 } 3120 3121 final int resolveFlags = 3122 MATCH_DIRECT_BOOT_AWARE 3123 | MATCH_DIRECT_BOOT_UNAWARE 3124 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3125 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 3126 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3127 resolveFlags, UserHandle.USER_SYSTEM); 3128 3129 final int N = resolvers.size(); 3130 if (N == 0) { 3131 if (DEBUG_EPHEMERAL) { 3132 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3133 } 3134 return null; 3135 } 3136 3137 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3138 for (int i = 0; i < N; i++) { 3139 final ResolveInfo info = resolvers.get(i); 3140 3141 if (info.serviceInfo == null) { 3142 continue; 3143 } 3144 3145 final String packageName = info.serviceInfo.packageName; 3146 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3147 if (DEBUG_EPHEMERAL) { 3148 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3149 + " pkg: " + packageName + ", info:" + info); 3150 } 3151 continue; 3152 } 3153 3154 if (DEBUG_EPHEMERAL) { 3155 Slog.v(TAG, "Ephemeral resolver found;" 3156 + " pkg: " + packageName + ", info:" + info); 3157 } 3158 return new ComponentName(packageName, info.serviceInfo.name); 3159 } 3160 if (DEBUG_EPHEMERAL) { 3161 Slog.v(TAG, "Ephemeral resolver NOT found"); 3162 } 3163 return null; 3164 } 3165 3166 private @Nullable ActivityInfo getEphemeralInstallerLPr() { 3167 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3168 intent.addCategory(Intent.CATEGORY_DEFAULT); 3169 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3170 3171 final int resolveFlags = 3172 MATCH_DIRECT_BOOT_AWARE 3173 | MATCH_DIRECT_BOOT_UNAWARE 3174 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3175 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3176 resolveFlags, UserHandle.USER_SYSTEM); 3177 Iterator<ResolveInfo> iter = matches.iterator(); 3178 while (iter.hasNext()) { 3179 final ResolveInfo rInfo = iter.next(); 3180 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3181 if (ps != null) { 3182 final PermissionsState permissionsState = ps.getPermissionsState(); 3183 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3184 continue; 3185 } 3186 } 3187 iter.remove(); 3188 } 3189 if (matches.size() == 0) { 3190 return null; 3191 } else if (matches.size() == 1) { 3192 return (ActivityInfo) matches.get(0).getComponentInfo(); 3193 } else { 3194 throw new RuntimeException( 3195 "There must be at most one ephemeral installer; found " + matches); 3196 } 3197 } 3198 3199 private void primeDomainVerificationsLPw(int userId) { 3200 if (DEBUG_DOMAIN_VERIFICATION) { 3201 Slog.d(TAG, "Priming domain verifications in user " + userId); 3202 } 3203 3204 SystemConfig systemConfig = SystemConfig.getInstance(); 3205 ArraySet<String> packages = systemConfig.getLinkedApps(); 3206 3207 for (String packageName : packages) { 3208 PackageParser.Package pkg = mPackages.get(packageName); 3209 if (pkg != null) { 3210 if (!pkg.isSystemApp()) { 3211 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3212 continue; 3213 } 3214 3215 ArraySet<String> domains = null; 3216 for (PackageParser.Activity a : pkg.activities) { 3217 for (ActivityIntentInfo filter : a.intents) { 3218 if (hasValidDomains(filter)) { 3219 if (domains == null) { 3220 domains = new ArraySet<String>(); 3221 } 3222 domains.addAll(filter.getHostsList()); 3223 } 3224 } 3225 } 3226 3227 if (domains != null && domains.size() > 0) { 3228 if (DEBUG_DOMAIN_VERIFICATION) { 3229 Slog.v(TAG, " + " + packageName); 3230 } 3231 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3232 // state w.r.t. the formal app-linkage "no verification attempted" state; 3233 // and then 'always' in the per-user state actually used for intent resolution. 3234 final IntentFilterVerificationInfo ivi; 3235 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3236 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3237 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3238 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3239 } else { 3240 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3241 + "' does not handle web links"); 3242 } 3243 } else { 3244 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3245 } 3246 } 3247 3248 scheduleWritePackageRestrictionsLocked(userId); 3249 scheduleWriteSettingsLocked(); 3250 } 3251 3252 private void applyFactoryDefaultBrowserLPw(int userId) { 3253 // The default browser app's package name is stored in a string resource, 3254 // with a product-specific overlay used for vendor customization. 3255 String browserPkg = mContext.getResources().getString( 3256 com.android.internal.R.string.default_browser); 3257 if (!TextUtils.isEmpty(browserPkg)) { 3258 // non-empty string => required to be a known package 3259 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3260 if (ps == null) { 3261 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3262 browserPkg = null; 3263 } else { 3264 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3265 } 3266 } 3267 3268 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3269 // default. If there's more than one, just leave everything alone. 3270 if (browserPkg == null) { 3271 calculateDefaultBrowserLPw(userId); 3272 } 3273 } 3274 3275 private void calculateDefaultBrowserLPw(int userId) { 3276 List<String> allBrowsers = resolveAllBrowserApps(userId); 3277 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3278 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3279 } 3280 3281 private List<String> resolveAllBrowserApps(int userId) { 3282 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3283 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3284 PackageManager.MATCH_ALL, userId); 3285 3286 final int count = list.size(); 3287 List<String> result = new ArrayList<String>(count); 3288 for (int i=0; i<count; i++) { 3289 ResolveInfo info = list.get(i); 3290 if (info.activityInfo == null 3291 || !info.handleAllWebDataURI 3292 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3293 || result.contains(info.activityInfo.packageName)) { 3294 continue; 3295 } 3296 result.add(info.activityInfo.packageName); 3297 } 3298 3299 return result; 3300 } 3301 3302 private boolean packageIsBrowser(String packageName, int userId) { 3303 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3304 PackageManager.MATCH_ALL, userId); 3305 final int N = list.size(); 3306 for (int i = 0; i < N; i++) { 3307 ResolveInfo info = list.get(i); 3308 if (packageName.equals(info.activityInfo.packageName)) { 3309 return true; 3310 } 3311 } 3312 return false; 3313 } 3314 3315 private void checkDefaultBrowser() { 3316 final int myUserId = UserHandle.myUserId(); 3317 final String packageName = getDefaultBrowserPackageName(myUserId); 3318 if (packageName != null) { 3319 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3320 if (info == null) { 3321 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3322 synchronized (mPackages) { 3323 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3324 } 3325 } 3326 } 3327 } 3328 3329 @Override 3330 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3331 throws RemoteException { 3332 try { 3333 return super.onTransact(code, data, reply, flags); 3334 } catch (RuntimeException e) { 3335 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3336 Slog.wtf(TAG, "Package Manager Crash", e); 3337 } 3338 throw e; 3339 } 3340 } 3341 3342 static int[] appendInts(int[] cur, int[] add) { 3343 if (add == null) return cur; 3344 if (cur == null) return add; 3345 final int N = add.length; 3346 for (int i=0; i<N; i++) { 3347 cur = appendInt(cur, add[i]); 3348 } 3349 return cur; 3350 } 3351 3352 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3353 if (!sUserManager.exists(userId)) return null; 3354 if (ps == null) { 3355 return null; 3356 } 3357 final PackageParser.Package p = ps.pkg; 3358 if (p == null) { 3359 return null; 3360 } 3361 // Filter out ephemeral app metadata: 3362 // * The system/shell/root can see metadata for any app 3363 // * An installed app can see metadata for 1) other installed apps 3364 // and 2) ephemeral apps that have explicitly interacted with it 3365 // * Ephemeral apps can only see their own data and exposed installed apps 3366 // * Holding a signature permission allows seeing instant apps 3367 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 3368 if (callingAppId != Process.SYSTEM_UID 3369 && callingAppId != Process.SHELL_UID 3370 && callingAppId != Process.ROOT_UID 3371 && checkUidPermission(Manifest.permission.ACCESS_INSTANT_APPS, 3372 Binder.getCallingUid()) != PackageManager.PERMISSION_GRANTED) { 3373 final String instantAppPackageName = getInstantAppPackageName(Binder.getCallingUid()); 3374 if (instantAppPackageName != null) { 3375 // ephemeral apps can only get information on themselves or 3376 // installed apps that are exposed. 3377 if (!instantAppPackageName.equals(p.packageName) 3378 && (ps.getInstantApp(userId) || !p.visibleToInstantApps)) { 3379 return null; 3380 } 3381 } else { 3382 if (ps.getInstantApp(userId)) { 3383 // only get access to the ephemeral app if we've been granted access 3384 if (!mInstantAppRegistry.isInstantAccessGranted( 3385 userId, callingAppId, ps.appId)) { 3386 return null; 3387 } 3388 } 3389 } 3390 } 3391 3392 final PermissionsState permissionsState = ps.getPermissionsState(); 3393 3394 // Compute GIDs only if requested 3395 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3396 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3397 // Compute granted permissions only if package has requested permissions 3398 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3399 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3400 final PackageUserState state = ps.readUserState(userId); 3401 3402 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3403 && ps.isSystem()) { 3404 flags |= MATCH_ANY_USER; 3405 } 3406 3407 PackageInfo packageInfo = PackageParser.generatePackageInfo(p, gids, flags, 3408 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3409 3410 if (packageInfo == null) { 3411 return null; 3412 } 3413 3414 rebaseEnabledOverlays(packageInfo.applicationInfo, userId); 3415 3416 packageInfo.packageName = packageInfo.applicationInfo.packageName = 3417 resolveExternalPackageNameLPr(p); 3418 3419 return packageInfo; 3420 } 3421 3422 @Override 3423 public void checkPackageStartable(String packageName, int userId) { 3424 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3425 3426 synchronized (mPackages) { 3427 final PackageSetting ps = mSettings.mPackages.get(packageName); 3428 if (ps == null) { 3429 throw new SecurityException("Package " + packageName + " was not found!"); 3430 } 3431 3432 if (!ps.getInstalled(userId)) { 3433 throw new SecurityException( 3434 "Package " + packageName + " was not installed for user " + userId + "!"); 3435 } 3436 3437 if (mSafeMode && !ps.isSystem()) { 3438 throw new SecurityException("Package " + packageName + " not a system app!"); 3439 } 3440 3441 if (mFrozenPackages.contains(packageName)) { 3442 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3443 } 3444 3445 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3446 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3447 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3448 } 3449 } 3450 } 3451 3452 @Override 3453 public boolean isPackageAvailable(String packageName, int userId) { 3454 if (!sUserManager.exists(userId)) return false; 3455 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3456 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3457 synchronized (mPackages) { 3458 PackageParser.Package p = mPackages.get(packageName); 3459 if (p != null) { 3460 final PackageSetting ps = (PackageSetting) p.mExtras; 3461 if (ps != null) { 3462 final PackageUserState state = ps.readUserState(userId); 3463 if (state != null) { 3464 return PackageParser.isAvailable(state); 3465 } 3466 } 3467 } 3468 } 3469 return false; 3470 } 3471 3472 @Override 3473 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3474 return getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 3475 flags, userId); 3476 } 3477 3478 @Override 3479 public PackageInfo getPackageInfoVersioned(VersionedPackage versionedPackage, 3480 int flags, int userId) { 3481 return getPackageInfoInternal(versionedPackage.getPackageName(), 3482 // TODO: We will change version code to long, so in the new API it is long 3483 (int) versionedPackage.getVersionCode(), flags, userId); 3484 } 3485 3486 private PackageInfo getPackageInfoInternal(String packageName, int versionCode, 3487 int flags, int userId) { 3488 if (!sUserManager.exists(userId)) return null; 3489 flags = updateFlagsForPackage(flags, userId, packageName); 3490 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3491 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3492 3493 // reader 3494 synchronized (mPackages) { 3495 // Normalize package name to handle renamed packages and static libs 3496 packageName = resolveInternalPackageNameLPr(packageName, versionCode); 3497 3498 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3499 if (matchFactoryOnly) { 3500 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3501 if (ps != null) { 3502 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3503 return null; 3504 } 3505 return generatePackageInfo(ps, flags, userId); 3506 } 3507 } 3508 3509 PackageParser.Package p = mPackages.get(packageName); 3510 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3511 return null; 3512 } 3513 if (DEBUG_PACKAGE_INFO) 3514 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3515 if (p != null) { 3516 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 3517 Binder.getCallingUid(), userId)) { 3518 return null; 3519 } 3520 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3521 } 3522 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3523 final PackageSetting ps = mSettings.mPackages.get(packageName); 3524 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3525 return null; 3526 } 3527 return generatePackageInfo(ps, flags, userId); 3528 } 3529 } 3530 return null; 3531 } 3532 3533 3534 private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId) { 3535 // System/shell/root get to see all static libs 3536 final int appId = UserHandle.getAppId(uid); 3537 if (appId == Process.SYSTEM_UID || appId == Process.SHELL_UID 3538 || appId == Process.ROOT_UID) { 3539 return false; 3540 } 3541 3542 // No package means no static lib as it is always on internal storage 3543 if (ps == null || ps.pkg == null || !ps.pkg.applicationInfo.isStaticSharedLibrary()) { 3544 return false; 3545 } 3546 3547 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(ps.pkg.staticSharedLibName, 3548 ps.pkg.staticSharedLibVersion); 3549 if (libEntry == null) { 3550 return false; 3551 } 3552 3553 final int resolvedUid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); 3554 final String[] uidPackageNames = getPackagesForUid(resolvedUid); 3555 if (uidPackageNames == null) { 3556 return true; 3557 } 3558 3559 for (String uidPackageName : uidPackageNames) { 3560 if (ps.name.equals(uidPackageName)) { 3561 return false; 3562 } 3563 PackageSetting uidPs = mSettings.getPackageLPr(uidPackageName); 3564 if (uidPs != null) { 3565 final int index = ArrayUtils.indexOf(uidPs.usesStaticLibraries, 3566 libEntry.info.getName()); 3567 if (index < 0) { 3568 continue; 3569 } 3570 if (uidPs.pkg.usesStaticLibrariesVersions[index] == libEntry.info.getVersion()) { 3571 return false; 3572 } 3573 } 3574 } 3575 return true; 3576 } 3577 3578 @Override 3579 public String[] currentToCanonicalPackageNames(String[] names) { 3580 String[] out = new String[names.length]; 3581 // reader 3582 synchronized (mPackages) { 3583 for (int i=names.length-1; i>=0; i--) { 3584 PackageSetting ps = mSettings.mPackages.get(names[i]); 3585 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3586 } 3587 } 3588 return out; 3589 } 3590 3591 @Override 3592 public String[] canonicalToCurrentPackageNames(String[] names) { 3593 String[] out = new String[names.length]; 3594 // reader 3595 synchronized (mPackages) { 3596 for (int i=names.length-1; i>=0; i--) { 3597 String cur = mSettings.getRenamedPackageLPr(names[i]); 3598 out[i] = cur != null ? cur : names[i]; 3599 } 3600 } 3601 return out; 3602 } 3603 3604 @Override 3605 public int getPackageUid(String packageName, int flags, int userId) { 3606 if (!sUserManager.exists(userId)) return -1; 3607 flags = updateFlagsForPackage(flags, userId, packageName); 3608 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3609 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3610 3611 // reader 3612 synchronized (mPackages) { 3613 final PackageParser.Package p = mPackages.get(packageName); 3614 if (p != null && p.isMatch(flags)) { 3615 return UserHandle.getUid(userId, p.applicationInfo.uid); 3616 } 3617 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3618 final PackageSetting ps = mSettings.mPackages.get(packageName); 3619 if (ps != null && ps.isMatch(flags)) { 3620 return UserHandle.getUid(userId, ps.appId); 3621 } 3622 } 3623 } 3624 3625 return -1; 3626 } 3627 3628 @Override 3629 public int[] getPackageGids(String packageName, int flags, int userId) { 3630 if (!sUserManager.exists(userId)) return null; 3631 flags = updateFlagsForPackage(flags, userId, packageName); 3632 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3633 false /* requireFullPermission */, false /* checkShell */, 3634 "getPackageGids"); 3635 3636 // reader 3637 synchronized (mPackages) { 3638 final PackageParser.Package p = mPackages.get(packageName); 3639 if (p != null && p.isMatch(flags)) { 3640 PackageSetting ps = (PackageSetting) p.mExtras; 3641 // TODO: Shouldn't this be checking for package installed state for userId and 3642 // return null? 3643 return ps.getPermissionsState().computeGids(userId); 3644 } 3645 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3646 final PackageSetting ps = mSettings.mPackages.get(packageName); 3647 if (ps != null && ps.isMatch(flags)) { 3648 return ps.getPermissionsState().computeGids(userId); 3649 } 3650 } 3651 } 3652 3653 return null; 3654 } 3655 3656 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3657 if (bp.perm != null) { 3658 return PackageParser.generatePermissionInfo(bp.perm, flags); 3659 } 3660 PermissionInfo pi = new PermissionInfo(); 3661 pi.name = bp.name; 3662 pi.packageName = bp.sourcePackage; 3663 pi.nonLocalizedLabel = bp.name; 3664 pi.protectionLevel = bp.protectionLevel; 3665 return pi; 3666 } 3667 3668 @Override 3669 public PermissionInfo getPermissionInfo(String name, int flags) { 3670 // reader 3671 synchronized (mPackages) { 3672 final BasePermission p = mSettings.mPermissions.get(name); 3673 if (p != null) { 3674 return generatePermissionInfo(p, flags); 3675 } 3676 return null; 3677 } 3678 } 3679 3680 @Override 3681 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3682 int flags) { 3683 // reader 3684 synchronized (mPackages) { 3685 if (group != null && !mPermissionGroups.containsKey(group)) { 3686 // This is thrown as NameNotFoundException 3687 return null; 3688 } 3689 3690 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3691 for (BasePermission p : mSettings.mPermissions.values()) { 3692 if (group == null) { 3693 if (p.perm == null || p.perm.info.group == null) { 3694 out.add(generatePermissionInfo(p, flags)); 3695 } 3696 } else { 3697 if (p.perm != null && group.equals(p.perm.info.group)) { 3698 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3699 } 3700 } 3701 } 3702 return new ParceledListSlice<>(out); 3703 } 3704 } 3705 3706 @Override 3707 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3708 // reader 3709 synchronized (mPackages) { 3710 return PackageParser.generatePermissionGroupInfo( 3711 mPermissionGroups.get(name), flags); 3712 } 3713 } 3714 3715 @Override 3716 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3717 // reader 3718 synchronized (mPackages) { 3719 final int N = mPermissionGroups.size(); 3720 ArrayList<PermissionGroupInfo> out 3721 = new ArrayList<PermissionGroupInfo>(N); 3722 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3723 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3724 } 3725 return new ParceledListSlice<>(out); 3726 } 3727 } 3728 3729 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3730 int uid, int userId) { 3731 if (!sUserManager.exists(userId)) return null; 3732 PackageSetting ps = mSettings.mPackages.get(packageName); 3733 if (ps != null) { 3734 if (filterSharedLibPackageLPr(ps, uid, userId)) { 3735 return null; 3736 } 3737 if (ps.pkg == null) { 3738 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3739 if (pInfo != null) { 3740 return pInfo.applicationInfo; 3741 } 3742 return null; 3743 } 3744 ApplicationInfo ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3745 ps.readUserState(userId), userId); 3746 if (ai != null) { 3747 rebaseEnabledOverlays(ai, userId); 3748 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 3749 } 3750 return ai; 3751 } 3752 return null; 3753 } 3754 3755 @Override 3756 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3757 if (!sUserManager.exists(userId)) return null; 3758 flags = updateFlagsForApplication(flags, userId, packageName); 3759 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3760 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3761 3762 // writer 3763 synchronized (mPackages) { 3764 // Normalize package name to handle renamed packages and static libs 3765 packageName = resolveInternalPackageNameLPr(packageName, 3766 PackageManager.VERSION_CODE_HIGHEST); 3767 3768 PackageParser.Package p = mPackages.get(packageName); 3769 if (DEBUG_PACKAGE_INFO) Log.v( 3770 TAG, "getApplicationInfo " + packageName 3771 + ": " + p); 3772 if (p != null) { 3773 PackageSetting ps = mSettings.mPackages.get(packageName); 3774 if (ps == null) return null; 3775 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3776 return null; 3777 } 3778 // Note: isEnabledLP() does not apply here - always return info 3779 ApplicationInfo ai = PackageParser.generateApplicationInfo( 3780 p, flags, ps.readUserState(userId), userId); 3781 if (ai != null) { 3782 rebaseEnabledOverlays(ai, userId); 3783 ai.packageName = resolveExternalPackageNameLPr(p); 3784 } 3785 return ai; 3786 } 3787 if ("android".equals(packageName)||"system".equals(packageName)) { 3788 return mAndroidApplication; 3789 } 3790 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3791 // Already generates the external package name 3792 return generateApplicationInfoFromSettingsLPw(packageName, 3793 Binder.getCallingUid(), flags, userId); 3794 } 3795 } 3796 return null; 3797 } 3798 3799 private void rebaseEnabledOverlays(@NonNull ApplicationInfo ai, int userId) { 3800 List<String> paths = new ArrayList<>(); 3801 ArrayMap<String, ArrayList<String>> userSpecificOverlays = 3802 mEnabledOverlayPaths.get(userId); 3803 if (userSpecificOverlays != null) { 3804 if (!"android".equals(ai.packageName)) { 3805 ArrayList<String> frameworkOverlays = userSpecificOverlays.get("android"); 3806 if (frameworkOverlays != null) { 3807 paths.addAll(frameworkOverlays); 3808 } 3809 } 3810 3811 ArrayList<String> appOverlays = userSpecificOverlays.get(ai.packageName); 3812 if (appOverlays != null) { 3813 paths.addAll(appOverlays); 3814 } 3815 } 3816 ai.resourceDirs = paths.size() > 0 ? paths.toArray(new String[paths.size()]) : null; 3817 } 3818 3819 private String normalizePackageNameLPr(String packageName) { 3820 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 3821 return normalizedPackageName != null ? normalizedPackageName : packageName; 3822 } 3823 3824 @Override 3825 public void deletePreloadsFileCache() { 3826 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 3827 throw new SecurityException("Only system or settings may call deletePreloadsFileCache"); 3828 } 3829 File dir = Environment.getDataPreloadsFileCacheDirectory(); 3830 Slog.i(TAG, "Deleting preloaded file cache " + dir); 3831 FileUtils.deleteContents(dir); 3832 } 3833 3834 @Override 3835 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3836 final IPackageDataObserver observer) { 3837 mContext.enforceCallingOrSelfPermission( 3838 android.Manifest.permission.CLEAR_APP_CACHE, null); 3839 mHandler.post(() -> { 3840 boolean success = false; 3841 try { 3842 freeStorage(volumeUuid, freeStorageSize, 0); 3843 success = true; 3844 } catch (IOException e) { 3845 Slog.w(TAG, e); 3846 } 3847 if (observer != null) { 3848 try { 3849 observer.onRemoveCompleted(null, success); 3850 } catch (RemoteException e) { 3851 Slog.w(TAG, e); 3852 } 3853 } 3854 }); 3855 } 3856 3857 @Override 3858 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3859 final IntentSender pi) { 3860 mContext.enforceCallingOrSelfPermission( 3861 android.Manifest.permission.CLEAR_APP_CACHE, TAG); 3862 mHandler.post(() -> { 3863 boolean success = false; 3864 try { 3865 freeStorage(volumeUuid, freeStorageSize, 0); 3866 success = true; 3867 } catch (IOException e) { 3868 Slog.w(TAG, e); 3869 } 3870 if (pi != null) { 3871 try { 3872 pi.sendIntent(null, success ? 1 : 0, null, null, null); 3873 } catch (SendIntentException e) { 3874 Slog.w(TAG, e); 3875 } 3876 } 3877 }); 3878 } 3879 3880 /** 3881 * Blocking call to clear various types of cached data across the system 3882 * until the requested bytes are available. 3883 */ 3884 public void freeStorage(String volumeUuid, long bytes, int storageFlags) throws IOException { 3885 final StorageManager storage = mContext.getSystemService(StorageManager.class); 3886 final File file = storage.findPathForUuid(volumeUuid); 3887 if (file.getUsableSpace() >= bytes) return; 3888 3889 if (ENABLE_FREE_CACHE_V2) { 3890 final boolean aggressive = (storageFlags 3891 & StorageManager.FLAG_ALLOCATE_AGGRESSIVE) != 0; 3892 final boolean internalVolume = Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, 3893 volumeUuid); 3894 3895 // 1. Pre-flight to determine if we have any chance to succeed 3896 // 2. Consider preloaded data (after 1w honeymoon, unless aggressive) 3897 if (internalVolume && (aggressive || SystemProperties 3898 .getBoolean("persist.sys.preloads.file_cache_expired", false))) { 3899 deletePreloadsFileCache(); 3900 if (file.getUsableSpace() >= bytes) return; 3901 } 3902 3903 // 3. Consider parsed APK data (aggressive only) 3904 if (internalVolume && aggressive) { 3905 FileUtils.deleteContents(mCacheDir); 3906 if (file.getUsableSpace() >= bytes) return; 3907 } 3908 3909 // 4. Consider cached app data (above quotas) 3910 try { 3911 mInstaller.freeCache(volumeUuid, bytes, Installer.FLAG_FREE_CACHE_V2); 3912 } catch (InstallerException ignored) { 3913 } 3914 if (file.getUsableSpace() >= bytes) return; 3915 3916 // 5. Consider shared libraries with refcount=0 and age>2h 3917 // 6. Consider dexopt output (aggressive only) 3918 // 7. Consider ephemeral apps not used in last week 3919 3920 // 8. Consider cached app data (below quotas) 3921 try { 3922 mInstaller.freeCache(volumeUuid, bytes, Installer.FLAG_FREE_CACHE_V2 3923 | Installer.FLAG_FREE_CACHE_V2_DEFY_QUOTA); 3924 } catch (InstallerException ignored) { 3925 } 3926 if (file.getUsableSpace() >= bytes) return; 3927 3928 // 9. Consider DropBox entries 3929 // 10. Consider ephemeral cookies 3930 3931 } else { 3932 try { 3933 mInstaller.freeCache(volumeUuid, bytes, 0); 3934 } catch (InstallerException ignored) { 3935 } 3936 if (file.getUsableSpace() >= bytes) return; 3937 } 3938 3939 throw new IOException("Failed to free " + bytes + " on storage device at " + file); 3940 } 3941 3942 /** 3943 * Update given flags based on encryption status of current user. 3944 */ 3945 private int updateFlags(int flags, int userId) { 3946 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3947 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3948 // Caller expressed an explicit opinion about what encryption 3949 // aware/unaware components they want to see, so fall through and 3950 // give them what they want 3951 } else { 3952 // Caller expressed no opinion, so match based on user state 3953 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3954 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3955 } else { 3956 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3957 } 3958 } 3959 return flags; 3960 } 3961 3962 private UserManagerInternal getUserManagerInternal() { 3963 if (mUserManagerInternal == null) { 3964 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3965 } 3966 return mUserManagerInternal; 3967 } 3968 3969 private DeviceIdleController.LocalService getDeviceIdleController() { 3970 if (mDeviceIdleController == null) { 3971 mDeviceIdleController = 3972 LocalServices.getService(DeviceIdleController.LocalService.class); 3973 } 3974 return mDeviceIdleController; 3975 } 3976 3977 /** 3978 * Update given flags when being used to request {@link PackageInfo}. 3979 */ 3980 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3981 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 3982 boolean triaged = true; 3983 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3984 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3985 // Caller is asking for component details, so they'd better be 3986 // asking for specific encryption matching behavior, or be triaged 3987 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3988 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3989 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3990 triaged = false; 3991 } 3992 } 3993 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3994 | PackageManager.MATCH_SYSTEM_ONLY 3995 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3996 triaged = false; 3997 } 3998 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 3999 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 4000 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 4001 + Debug.getCallers(5)); 4002 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 4003 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 4004 // If the caller wants all packages and has a restricted profile associated with it, 4005 // then match all users. This is to make sure that launchers that need to access work 4006 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 4007 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 4008 flags |= PackageManager.MATCH_ANY_USER; 4009 } 4010 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4011 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4012 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4013 } 4014 return updateFlags(flags, userId); 4015 } 4016 4017 /** 4018 * Update given flags when being used to request {@link ApplicationInfo}. 4019 */ 4020 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 4021 return updateFlagsForPackage(flags, userId, cookie); 4022 } 4023 4024 /** 4025 * Update given flags when being used to request {@link ComponentInfo}. 4026 */ 4027 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 4028 if (cookie instanceof Intent) { 4029 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 4030 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 4031 } 4032 } 4033 4034 boolean triaged = true; 4035 // Caller is asking for component details, so they'd better be 4036 // asking for specific encryption matching behavior, or be triaged 4037 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4038 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4039 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4040 triaged = false; 4041 } 4042 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4043 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4044 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4045 } 4046 4047 return updateFlags(flags, userId); 4048 } 4049 4050 /** 4051 * Update given intent when being used to request {@link ResolveInfo}. 4052 */ 4053 private Intent updateIntentForResolve(Intent intent) { 4054 if (intent.getSelector() != null) { 4055 intent = intent.getSelector(); 4056 } 4057 if (DEBUG_PREFERRED) { 4058 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4059 } 4060 return intent; 4061 } 4062 4063 /** 4064 * Update given flags when being used to request {@link ResolveInfo}. 4065 * <p>Instant apps are resolved specially, depending upon context. Minimally, 4066 * {@code}flags{@code} must have the {@link PackageManager#MATCH_INSTANT} 4067 * flag set. However, this flag is only honoured in three circumstances: 4068 * <ul> 4069 * <li>when called from a system process</li> 4070 * <li>when the caller holds the permission {@code android.permission.ACCESS_INSTANT_APPS}</li> 4071 * <li>when resolution occurs to start an activity with a {@code android.intent.action.VIEW} 4072 * action and a {@code android.intent.category.BROWSABLE} category</li> 4073 * </ul> 4074 */ 4075 int updateFlagsForResolve(int flags, int userId, Intent intent, boolean includeInstantApp) { 4076 // Safe mode means we shouldn't match any third-party components 4077 if (mSafeMode) { 4078 flags |= PackageManager.MATCH_SYSTEM_ONLY; 4079 } 4080 final int callingUid = Binder.getCallingUid(); 4081 if (getInstantAppPackageName(callingUid) != null) { 4082 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 4083 flags |= PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4084 flags |= PackageManager.MATCH_INSTANT; 4085 } else { 4086 // Otherwise, prevent leaking ephemeral components 4087 final boolean isSpecialProcess = 4088 callingUid == Process.SYSTEM_UID 4089 || callingUid == Process.SHELL_UID 4090 || callingUid == 0; 4091 final boolean allowMatchInstant = 4092 (includeInstantApp 4093 && Intent.ACTION_VIEW.equals(intent.getAction()) 4094 && intent.hasCategory(Intent.CATEGORY_BROWSABLE) 4095 && hasWebURI(intent)) 4096 || isSpecialProcess 4097 || mContext.checkCallingOrSelfPermission( 4098 android.Manifest.permission.ACCESS_INSTANT_APPS) == PERMISSION_GRANTED; 4099 flags &= ~PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4100 if (!allowMatchInstant) { 4101 flags &= ~PackageManager.MATCH_INSTANT; 4102 } 4103 } 4104 return updateFlagsForComponent(flags, userId, intent /*cookie*/); 4105 } 4106 4107 @Override 4108 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 4109 if (!sUserManager.exists(userId)) return null; 4110 flags = updateFlagsForComponent(flags, userId, component); 4111 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4112 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 4113 synchronized (mPackages) { 4114 PackageParser.Activity a = mActivities.mActivities.get(component); 4115 4116 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 4117 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4118 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4119 if (ps == null) return null; 4120 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 4121 userId); 4122 } 4123 if (mResolveComponentName.equals(component)) { 4124 return PackageParser.generateActivityInfo(mResolveActivity, flags, 4125 new PackageUserState(), userId); 4126 } 4127 } 4128 return null; 4129 } 4130 4131 @Override 4132 public boolean activitySupportsIntent(ComponentName component, Intent intent, 4133 String resolvedType) { 4134 synchronized (mPackages) { 4135 if (component.equals(mResolveComponentName)) { 4136 // The resolver supports EVERYTHING! 4137 return true; 4138 } 4139 PackageParser.Activity a = mActivities.mActivities.get(component); 4140 if (a == null) { 4141 return false; 4142 } 4143 for (int i=0; i<a.intents.size(); i++) { 4144 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 4145 intent.getData(), intent.getCategories(), TAG) >= 0) { 4146 return true; 4147 } 4148 } 4149 return false; 4150 } 4151 } 4152 4153 @Override 4154 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 4155 if (!sUserManager.exists(userId)) return null; 4156 flags = updateFlagsForComponent(flags, userId, component); 4157 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4158 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 4159 synchronized (mPackages) { 4160 PackageParser.Activity a = mReceivers.mActivities.get(component); 4161 if (DEBUG_PACKAGE_INFO) Log.v( 4162 TAG, "getReceiverInfo " + component + ": " + a); 4163 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4164 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4165 if (ps == null) return null; 4166 ActivityInfo ri = PackageParser.generateActivityInfo(a, flags, 4167 ps.readUserState(userId), userId); 4168 if (ri != null) { 4169 rebaseEnabledOverlays(ri.applicationInfo, userId); 4170 } 4171 return ri; 4172 } 4173 } 4174 return null; 4175 } 4176 4177 @Override 4178 public ParceledListSlice<SharedLibraryInfo> getSharedLibraries(int flags, int userId) { 4179 if (!sUserManager.exists(userId)) return null; 4180 Preconditions.checkArgumentNonnegative(userId, "userId must be >= 0"); 4181 4182 flags = updateFlagsForPackage(flags, userId, null); 4183 4184 final boolean canSeeStaticLibraries = 4185 mContext.checkCallingOrSelfPermission(INSTALL_PACKAGES) 4186 == PERMISSION_GRANTED 4187 || mContext.checkCallingOrSelfPermission(DELETE_PACKAGES) 4188 == PERMISSION_GRANTED 4189 || mContext.checkCallingOrSelfPermission(REQUEST_INSTALL_PACKAGES) 4190 == PERMISSION_GRANTED 4191 || mContext.checkCallingOrSelfPermission(REQUEST_DELETE_PACKAGES) 4192 == PERMISSION_GRANTED; 4193 4194 synchronized (mPackages) { 4195 List<SharedLibraryInfo> result = null; 4196 4197 final int libCount = mSharedLibraries.size(); 4198 for (int i = 0; i < libCount; i++) { 4199 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4200 if (versionedLib == null) { 4201 continue; 4202 } 4203 4204 final int versionCount = versionedLib.size(); 4205 for (int j = 0; j < versionCount; j++) { 4206 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4207 if (!canSeeStaticLibraries && libInfo.isStatic()) { 4208 break; 4209 } 4210 final long identity = Binder.clearCallingIdentity(); 4211 try { 4212 // TODO: We will change version code to long, so in the new API it is long 4213 PackageInfo packageInfo = getPackageInfoVersioned( 4214 libInfo.getDeclaringPackage(), flags, userId); 4215 if (packageInfo == null) { 4216 continue; 4217 } 4218 } finally { 4219 Binder.restoreCallingIdentity(identity); 4220 } 4221 4222 SharedLibraryInfo resLibInfo = new SharedLibraryInfo(libInfo.getName(), 4223 libInfo.getVersion(), libInfo.getType(), libInfo.getDeclaringPackage(), 4224 getPackagesUsingSharedLibraryLPr(libInfo, flags, userId)); 4225 4226 if (result == null) { 4227 result = new ArrayList<>(); 4228 } 4229 result.add(resLibInfo); 4230 } 4231 } 4232 4233 return result != null ? new ParceledListSlice<>(result) : null; 4234 } 4235 } 4236 4237 private List<VersionedPackage> getPackagesUsingSharedLibraryLPr( 4238 SharedLibraryInfo libInfo, int flags, int userId) { 4239 List<VersionedPackage> versionedPackages = null; 4240 final int packageCount = mSettings.mPackages.size(); 4241 for (int i = 0; i < packageCount; i++) { 4242 PackageSetting ps = mSettings.mPackages.valueAt(i); 4243 4244 if (ps == null) { 4245 continue; 4246 } 4247 4248 if (!ps.getUserState().get(userId).isAvailable(flags)) { 4249 continue; 4250 } 4251 4252 final String libName = libInfo.getName(); 4253 if (libInfo.isStatic()) { 4254 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 4255 if (libIdx < 0) { 4256 continue; 4257 } 4258 if (ps.usesStaticLibrariesVersions[libIdx] != libInfo.getVersion()) { 4259 continue; 4260 } 4261 if (versionedPackages == null) { 4262 versionedPackages = new ArrayList<>(); 4263 } 4264 // If the dependent is a static shared lib, use the public package name 4265 String dependentPackageName = ps.name; 4266 if (ps.pkg != null && ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4267 dependentPackageName = ps.pkg.manifestPackageName; 4268 } 4269 versionedPackages.add(new VersionedPackage(dependentPackageName, ps.versionCode)); 4270 } else if (ps.pkg != null) { 4271 if (ArrayUtils.contains(ps.pkg.usesLibraries, libName) 4272 || ArrayUtils.contains(ps.pkg.usesOptionalLibraries, libName)) { 4273 if (versionedPackages == null) { 4274 versionedPackages = new ArrayList<>(); 4275 } 4276 versionedPackages.add(new VersionedPackage(ps.name, ps.versionCode)); 4277 } 4278 } 4279 } 4280 4281 return versionedPackages; 4282 } 4283 4284 @Override 4285 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 4286 if (!sUserManager.exists(userId)) return null; 4287 flags = updateFlagsForComponent(flags, userId, component); 4288 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4289 false /* requireFullPermission */, false /* checkShell */, "get service info"); 4290 synchronized (mPackages) { 4291 PackageParser.Service s = mServices.mServices.get(component); 4292 if (DEBUG_PACKAGE_INFO) Log.v( 4293 TAG, "getServiceInfo " + component + ": " + s); 4294 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 4295 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4296 if (ps == null) return null; 4297 ServiceInfo si = PackageParser.generateServiceInfo(s, flags, 4298 ps.readUserState(userId), userId); 4299 if (si != null) { 4300 rebaseEnabledOverlays(si.applicationInfo, userId); 4301 } 4302 return si; 4303 } 4304 } 4305 return null; 4306 } 4307 4308 @Override 4309 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 4310 if (!sUserManager.exists(userId)) return null; 4311 flags = updateFlagsForComponent(flags, userId, component); 4312 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4313 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 4314 synchronized (mPackages) { 4315 PackageParser.Provider p = mProviders.mProviders.get(component); 4316 if (DEBUG_PACKAGE_INFO) Log.v( 4317 TAG, "getProviderInfo " + component + ": " + p); 4318 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 4319 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4320 if (ps == null) return null; 4321 ProviderInfo pi = PackageParser.generateProviderInfo(p, flags, 4322 ps.readUserState(userId), userId); 4323 if (pi != null) { 4324 rebaseEnabledOverlays(pi.applicationInfo, userId); 4325 } 4326 return pi; 4327 } 4328 } 4329 return null; 4330 } 4331 4332 @Override 4333 public String[] getSystemSharedLibraryNames() { 4334 synchronized (mPackages) { 4335 Set<String> libs = null; 4336 final int libCount = mSharedLibraries.size(); 4337 for (int i = 0; i < libCount; i++) { 4338 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4339 if (versionedLib == null) { 4340 continue; 4341 } 4342 final int versionCount = versionedLib.size(); 4343 for (int j = 0; j < versionCount; j++) { 4344 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 4345 if (!libEntry.info.isStatic()) { 4346 if (libs == null) { 4347 libs = new ArraySet<>(); 4348 } 4349 libs.add(libEntry.info.getName()); 4350 break; 4351 } 4352 PackageSetting ps = mSettings.getPackageLPr(libEntry.apk); 4353 if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(), 4354 UserHandle.getUserId(Binder.getCallingUid()))) { 4355 if (libs == null) { 4356 libs = new ArraySet<>(); 4357 } 4358 libs.add(libEntry.info.getName()); 4359 break; 4360 } 4361 } 4362 } 4363 4364 if (libs != null) { 4365 String[] libsArray = new String[libs.size()]; 4366 libs.toArray(libsArray); 4367 return libsArray; 4368 } 4369 4370 return null; 4371 } 4372 } 4373 4374 @Override 4375 public @NonNull String getServicesSystemSharedLibraryPackageName() { 4376 synchronized (mPackages) { 4377 return mServicesSystemSharedLibraryPackageName; 4378 } 4379 } 4380 4381 @Override 4382 public @NonNull String getSharedSystemSharedLibraryPackageName() { 4383 synchronized (mPackages) { 4384 return mSharedSystemSharedLibraryPackageName; 4385 } 4386 } 4387 4388 private void updateSequenceNumberLP(String packageName, int[] userList) { 4389 for (int i = userList.length - 1; i >= 0; --i) { 4390 final int userId = userList[i]; 4391 SparseArray<String> changedPackages = mChangedPackages.get(userId); 4392 if (changedPackages == null) { 4393 changedPackages = new SparseArray<>(); 4394 mChangedPackages.put(userId, changedPackages); 4395 } 4396 Map<String, Integer> sequenceNumbers = mChangedPackagesSequenceNumbers.get(userId); 4397 if (sequenceNumbers == null) { 4398 sequenceNumbers = new HashMap<>(); 4399 mChangedPackagesSequenceNumbers.put(userId, sequenceNumbers); 4400 } 4401 final Integer sequenceNumber = sequenceNumbers.get(packageName); 4402 if (sequenceNumber != null) { 4403 changedPackages.remove(sequenceNumber); 4404 } 4405 changedPackages.put(mChangedPackagesSequenceNumber, packageName); 4406 sequenceNumbers.put(packageName, mChangedPackagesSequenceNumber); 4407 } 4408 mChangedPackagesSequenceNumber++; 4409 } 4410 4411 @Override 4412 public ChangedPackages getChangedPackages(int sequenceNumber, int userId) { 4413 synchronized (mPackages) { 4414 if (sequenceNumber >= mChangedPackagesSequenceNumber) { 4415 return null; 4416 } 4417 final SparseArray<String> changedPackages = mChangedPackages.get(userId); 4418 if (changedPackages == null) { 4419 return null; 4420 } 4421 final List<String> packageNames = 4422 new ArrayList<>(mChangedPackagesSequenceNumber - sequenceNumber); 4423 for (int i = sequenceNumber; i < mChangedPackagesSequenceNumber; i++) { 4424 final String packageName = changedPackages.get(i); 4425 if (packageName != null) { 4426 packageNames.add(packageName); 4427 } 4428 } 4429 return packageNames.isEmpty() 4430 ? null : new ChangedPackages(mChangedPackagesSequenceNumber, packageNames); 4431 } 4432 } 4433 4434 @Override 4435 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 4436 ArrayList<FeatureInfo> res; 4437 synchronized (mAvailableFeatures) { 4438 res = new ArrayList<>(mAvailableFeatures.size() + 1); 4439 res.addAll(mAvailableFeatures.values()); 4440 } 4441 final FeatureInfo fi = new FeatureInfo(); 4442 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 4443 FeatureInfo.GL_ES_VERSION_UNDEFINED); 4444 res.add(fi); 4445 4446 return new ParceledListSlice<>(res); 4447 } 4448 4449 @Override 4450 public boolean hasSystemFeature(String name, int version) { 4451 synchronized (mAvailableFeatures) { 4452 final FeatureInfo feat = mAvailableFeatures.get(name); 4453 if (feat == null) { 4454 return false; 4455 } else { 4456 return feat.version >= version; 4457 } 4458 } 4459 } 4460 4461 @Override 4462 public int checkPermission(String permName, String pkgName, int userId) { 4463 if (!sUserManager.exists(userId)) { 4464 return PackageManager.PERMISSION_DENIED; 4465 } 4466 4467 synchronized (mPackages) { 4468 final PackageParser.Package p = mPackages.get(pkgName); 4469 if (p != null && p.mExtras != null) { 4470 final PackageSetting ps = (PackageSetting) p.mExtras; 4471 final PermissionsState permissionsState = ps.getPermissionsState(); 4472 if (permissionsState.hasPermission(permName, userId)) { 4473 return PackageManager.PERMISSION_GRANTED; 4474 } 4475 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4476 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4477 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4478 return PackageManager.PERMISSION_GRANTED; 4479 } 4480 } 4481 } 4482 4483 return PackageManager.PERMISSION_DENIED; 4484 } 4485 4486 @Override 4487 public int checkUidPermission(String permName, int uid) { 4488 final int userId = UserHandle.getUserId(uid); 4489 4490 if (!sUserManager.exists(userId)) { 4491 return PackageManager.PERMISSION_DENIED; 4492 } 4493 4494 synchronized (mPackages) { 4495 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4496 if (obj != null) { 4497 final SettingBase ps = (SettingBase) obj; 4498 final PermissionsState permissionsState = ps.getPermissionsState(); 4499 if (permissionsState.hasPermission(permName, userId)) { 4500 return PackageManager.PERMISSION_GRANTED; 4501 } 4502 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4503 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4504 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4505 return PackageManager.PERMISSION_GRANTED; 4506 } 4507 } else { 4508 ArraySet<String> perms = mSystemPermissions.get(uid); 4509 if (perms != null) { 4510 if (perms.contains(permName)) { 4511 return PackageManager.PERMISSION_GRANTED; 4512 } 4513 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 4514 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 4515 return PackageManager.PERMISSION_GRANTED; 4516 } 4517 } 4518 } 4519 } 4520 4521 return PackageManager.PERMISSION_DENIED; 4522 } 4523 4524 @Override 4525 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 4526 if (UserHandle.getCallingUserId() != userId) { 4527 mContext.enforceCallingPermission( 4528 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4529 "isPermissionRevokedByPolicy for user " + userId); 4530 } 4531 4532 if (checkPermission(permission, packageName, userId) 4533 == PackageManager.PERMISSION_GRANTED) { 4534 return false; 4535 } 4536 4537 final long identity = Binder.clearCallingIdentity(); 4538 try { 4539 final int flags = getPermissionFlags(permission, packageName, userId); 4540 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 4541 } finally { 4542 Binder.restoreCallingIdentity(identity); 4543 } 4544 } 4545 4546 @Override 4547 public String getPermissionControllerPackageName() { 4548 synchronized (mPackages) { 4549 return mRequiredInstallerPackage; 4550 } 4551 } 4552 4553 /** 4554 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 4555 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 4556 * @param checkShell whether to prevent shell from access if there's a debugging restriction 4557 * @param message the message to log on security exception 4558 */ 4559 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 4560 boolean checkShell, String message) { 4561 if (userId < 0) { 4562 throw new IllegalArgumentException("Invalid userId " + userId); 4563 } 4564 if (checkShell) { 4565 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 4566 } 4567 if (userId == UserHandle.getUserId(callingUid)) return; 4568 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4569 if (requireFullPermission) { 4570 mContext.enforceCallingOrSelfPermission( 4571 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4572 } else { 4573 try { 4574 mContext.enforceCallingOrSelfPermission( 4575 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4576 } catch (SecurityException se) { 4577 mContext.enforceCallingOrSelfPermission( 4578 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 4579 } 4580 } 4581 } 4582 } 4583 4584 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 4585 if (callingUid == Process.SHELL_UID) { 4586 if (userHandle >= 0 4587 && sUserManager.hasUserRestriction(restriction, userHandle)) { 4588 throw new SecurityException("Shell does not have permission to access user " 4589 + userHandle); 4590 } else if (userHandle < 0) { 4591 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 4592 + Debug.getCallers(3)); 4593 } 4594 } 4595 } 4596 4597 private BasePermission findPermissionTreeLP(String permName) { 4598 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 4599 if (permName.startsWith(bp.name) && 4600 permName.length() > bp.name.length() && 4601 permName.charAt(bp.name.length()) == '.') { 4602 return bp; 4603 } 4604 } 4605 return null; 4606 } 4607 4608 private BasePermission checkPermissionTreeLP(String permName) { 4609 if (permName != null) { 4610 BasePermission bp = findPermissionTreeLP(permName); 4611 if (bp != null) { 4612 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 4613 return bp; 4614 } 4615 throw new SecurityException("Calling uid " 4616 + Binder.getCallingUid() 4617 + " is not allowed to add to permission tree " 4618 + bp.name + " owned by uid " + bp.uid); 4619 } 4620 } 4621 throw new SecurityException("No permission tree found for " + permName); 4622 } 4623 4624 static boolean compareStrings(CharSequence s1, CharSequence s2) { 4625 if (s1 == null) { 4626 return s2 == null; 4627 } 4628 if (s2 == null) { 4629 return false; 4630 } 4631 if (s1.getClass() != s2.getClass()) { 4632 return false; 4633 } 4634 return s1.equals(s2); 4635 } 4636 4637 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 4638 if (pi1.icon != pi2.icon) return false; 4639 if (pi1.logo != pi2.logo) return false; 4640 if (pi1.protectionLevel != pi2.protectionLevel) return false; 4641 if (!compareStrings(pi1.name, pi2.name)) return false; 4642 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 4643 // We'll take care of setting this one. 4644 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 4645 // These are not currently stored in settings. 4646 //if (!compareStrings(pi1.group, pi2.group)) return false; 4647 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 4648 //if (pi1.labelRes != pi2.labelRes) return false; 4649 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 4650 return true; 4651 } 4652 4653 int permissionInfoFootprint(PermissionInfo info) { 4654 int size = info.name.length(); 4655 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4656 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4657 return size; 4658 } 4659 4660 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4661 int size = 0; 4662 for (BasePermission perm : mSettings.mPermissions.values()) { 4663 if (perm.uid == tree.uid) { 4664 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4665 } 4666 } 4667 return size; 4668 } 4669 4670 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4671 // We calculate the max size of permissions defined by this uid and throw 4672 // if that plus the size of 'info' would exceed our stated maximum. 4673 if (tree.uid != Process.SYSTEM_UID) { 4674 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4675 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4676 throw new SecurityException("Permission tree size cap exceeded"); 4677 } 4678 } 4679 } 4680 4681 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4682 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4683 throw new SecurityException("Label must be specified in permission"); 4684 } 4685 BasePermission tree = checkPermissionTreeLP(info.name); 4686 BasePermission bp = mSettings.mPermissions.get(info.name); 4687 boolean added = bp == null; 4688 boolean changed = true; 4689 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4690 if (added) { 4691 enforcePermissionCapLocked(info, tree); 4692 bp = new BasePermission(info.name, tree.sourcePackage, 4693 BasePermission.TYPE_DYNAMIC); 4694 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4695 throw new SecurityException( 4696 "Not allowed to modify non-dynamic permission " 4697 + info.name); 4698 } else { 4699 if (bp.protectionLevel == fixedLevel 4700 && bp.perm.owner.equals(tree.perm.owner) 4701 && bp.uid == tree.uid 4702 && comparePermissionInfos(bp.perm.info, info)) { 4703 changed = false; 4704 } 4705 } 4706 bp.protectionLevel = fixedLevel; 4707 info = new PermissionInfo(info); 4708 info.protectionLevel = fixedLevel; 4709 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4710 bp.perm.info.packageName = tree.perm.info.packageName; 4711 bp.uid = tree.uid; 4712 if (added) { 4713 mSettings.mPermissions.put(info.name, bp); 4714 } 4715 if (changed) { 4716 if (!async) { 4717 mSettings.writeLPr(); 4718 } else { 4719 scheduleWriteSettingsLocked(); 4720 } 4721 } 4722 return added; 4723 } 4724 4725 @Override 4726 public boolean addPermission(PermissionInfo info) { 4727 synchronized (mPackages) { 4728 return addPermissionLocked(info, false); 4729 } 4730 } 4731 4732 @Override 4733 public boolean addPermissionAsync(PermissionInfo info) { 4734 synchronized (mPackages) { 4735 return addPermissionLocked(info, true); 4736 } 4737 } 4738 4739 @Override 4740 public void removePermission(String name) { 4741 synchronized (mPackages) { 4742 checkPermissionTreeLP(name); 4743 BasePermission bp = mSettings.mPermissions.get(name); 4744 if (bp != null) { 4745 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4746 throw new SecurityException( 4747 "Not allowed to modify non-dynamic permission " 4748 + name); 4749 } 4750 mSettings.mPermissions.remove(name); 4751 mSettings.writeLPr(); 4752 } 4753 } 4754 } 4755 4756 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4757 BasePermission bp) { 4758 int index = pkg.requestedPermissions.indexOf(bp.name); 4759 if (index == -1) { 4760 throw new SecurityException("Package " + pkg.packageName 4761 + " has not requested permission " + bp.name); 4762 } 4763 if (!bp.isRuntime() && !bp.isDevelopment()) { 4764 throw new SecurityException("Permission " + bp.name 4765 + " is not a changeable permission type"); 4766 } 4767 } 4768 4769 @Override 4770 public void grantRuntimePermission(String packageName, String name, final int userId) { 4771 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4772 } 4773 4774 private void grantRuntimePermission(String packageName, String name, final int userId, 4775 boolean overridePolicy) { 4776 if (!sUserManager.exists(userId)) { 4777 Log.e(TAG, "No such user:" + userId); 4778 return; 4779 } 4780 4781 mContext.enforceCallingOrSelfPermission( 4782 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4783 "grantRuntimePermission"); 4784 4785 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4786 true /* requireFullPermission */, true /* checkShell */, 4787 "grantRuntimePermission"); 4788 4789 final int uid; 4790 final SettingBase sb; 4791 4792 synchronized (mPackages) { 4793 final PackageParser.Package pkg = mPackages.get(packageName); 4794 if (pkg == null) { 4795 throw new IllegalArgumentException("Unknown package: " + packageName); 4796 } 4797 4798 final BasePermission bp = mSettings.mPermissions.get(name); 4799 if (bp == null) { 4800 throw new IllegalArgumentException("Unknown permission: " + name); 4801 } 4802 4803 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4804 4805 // If a permission review is required for legacy apps we represent 4806 // their permissions as always granted runtime ones since we need 4807 // to keep the review required permission flag per user while an 4808 // install permission's state is shared across all users. 4809 if (mPermissionReviewRequired 4810 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4811 && bp.isRuntime()) { 4812 return; 4813 } 4814 4815 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4816 sb = (SettingBase) pkg.mExtras; 4817 if (sb == null) { 4818 throw new IllegalArgumentException("Unknown package: " + packageName); 4819 } 4820 4821 final PermissionsState permissionsState = sb.getPermissionsState(); 4822 4823 final int flags = permissionsState.getPermissionFlags(name, userId); 4824 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4825 throw new SecurityException("Cannot grant system fixed permission " 4826 + name + " for package " + packageName); 4827 } 4828 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4829 throw new SecurityException("Cannot grant policy fixed permission " 4830 + name + " for package " + packageName); 4831 } 4832 4833 if (bp.isDevelopment()) { 4834 // Development permissions must be handled specially, since they are not 4835 // normal runtime permissions. For now they apply to all users. 4836 if (permissionsState.grantInstallPermission(bp) != 4837 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4838 scheduleWriteSettingsLocked(); 4839 } 4840 return; 4841 } 4842 4843 final PackageSetting ps = mSettings.mPackages.get(packageName); 4844 if (ps.getInstantApp(userId) && !bp.isInstant()) { 4845 throw new SecurityException("Cannot grant non-ephemeral permission" 4846 + name + " for package " + packageName); 4847 } 4848 4849 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4850 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4851 return; 4852 } 4853 4854 final int result = permissionsState.grantRuntimePermission(bp, userId); 4855 switch (result) { 4856 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4857 return; 4858 } 4859 4860 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4861 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4862 mHandler.post(new Runnable() { 4863 @Override 4864 public void run() { 4865 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4866 } 4867 }); 4868 } 4869 break; 4870 } 4871 4872 if (bp.isRuntime()) { 4873 logPermissionGranted(mContext, name, packageName); 4874 } 4875 4876 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4877 4878 // Not critical if that is lost - app has to request again. 4879 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4880 } 4881 4882 // Only need to do this if user is initialized. Otherwise it's a new user 4883 // and there are no processes running as the user yet and there's no need 4884 // to make an expensive call to remount processes for the changed permissions. 4885 if (READ_EXTERNAL_STORAGE.equals(name) 4886 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4887 final long token = Binder.clearCallingIdentity(); 4888 try { 4889 if (sUserManager.isInitialized(userId)) { 4890 StorageManagerInternal storageManagerInternal = LocalServices.getService( 4891 StorageManagerInternal.class); 4892 storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); 4893 } 4894 } finally { 4895 Binder.restoreCallingIdentity(token); 4896 } 4897 } 4898 } 4899 4900 @Override 4901 public void revokeRuntimePermission(String packageName, String name, int userId) { 4902 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4903 } 4904 4905 private void revokeRuntimePermission(String packageName, String name, int userId, 4906 boolean overridePolicy) { 4907 if (!sUserManager.exists(userId)) { 4908 Log.e(TAG, "No such user:" + userId); 4909 return; 4910 } 4911 4912 mContext.enforceCallingOrSelfPermission( 4913 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4914 "revokeRuntimePermission"); 4915 4916 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4917 true /* requireFullPermission */, true /* checkShell */, 4918 "revokeRuntimePermission"); 4919 4920 final int appId; 4921 4922 synchronized (mPackages) { 4923 final PackageParser.Package pkg = mPackages.get(packageName); 4924 if (pkg == null) { 4925 throw new IllegalArgumentException("Unknown package: " + packageName); 4926 } 4927 4928 final BasePermission bp = mSettings.mPermissions.get(name); 4929 if (bp == null) { 4930 throw new IllegalArgumentException("Unknown permission: " + name); 4931 } 4932 4933 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4934 4935 // If a permission review is required for legacy apps we represent 4936 // their permissions as always granted runtime ones since we need 4937 // to keep the review required permission flag per user while an 4938 // install permission's state is shared across all users. 4939 if (mPermissionReviewRequired 4940 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4941 && bp.isRuntime()) { 4942 return; 4943 } 4944 4945 SettingBase sb = (SettingBase) pkg.mExtras; 4946 if (sb == null) { 4947 throw new IllegalArgumentException("Unknown package: " + packageName); 4948 } 4949 4950 final PermissionsState permissionsState = sb.getPermissionsState(); 4951 4952 final int flags = permissionsState.getPermissionFlags(name, userId); 4953 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4954 throw new SecurityException("Cannot revoke system fixed permission " 4955 + name + " for package " + packageName); 4956 } 4957 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4958 throw new SecurityException("Cannot revoke policy fixed permission " 4959 + name + " for package " + packageName); 4960 } 4961 4962 if (bp.isDevelopment()) { 4963 // Development permissions must be handled specially, since they are not 4964 // normal runtime permissions. For now they apply to all users. 4965 if (permissionsState.revokeInstallPermission(bp) != 4966 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4967 scheduleWriteSettingsLocked(); 4968 } 4969 return; 4970 } 4971 4972 if (permissionsState.revokeRuntimePermission(bp, userId) == 4973 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4974 return; 4975 } 4976 4977 if (bp.isRuntime()) { 4978 logPermissionRevoked(mContext, name, packageName); 4979 } 4980 4981 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4982 4983 // Critical, after this call app should never have the permission. 4984 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4985 4986 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4987 } 4988 4989 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4990 } 4991 4992 /** 4993 * Get the first event id for the permission. 4994 * 4995 * <p>There are four events for each permission: <ul> 4996 * <li>Request permission: first id + 0</li> 4997 * <li>Grant permission: first id + 1</li> 4998 * <li>Request for permission denied: first id + 2</li> 4999 * <li>Revoke permission: first id + 3</li> 5000 * </ul></p> 5001 * 5002 * @param name name of the permission 5003 * 5004 * @return The first event id for the permission 5005 */ 5006 private static int getBaseEventId(@NonNull String name) { 5007 int eventIdIndex = ALL_DANGEROUS_PERMISSIONS.indexOf(name); 5008 5009 if (eventIdIndex == -1) { 5010 if (AppOpsManager.permissionToOpCode(name) == AppOpsManager.OP_NONE 5011 || "user".equals(Build.TYPE)) { 5012 Log.i(TAG, "Unknown permission " + name); 5013 5014 return MetricsEvent.ACTION_PERMISSION_REQUEST_UNKNOWN; 5015 } else { 5016 // Most likely #ALL_DANGEROUS_PERMISSIONS needs to be updated. 5017 // 5018 // Also update 5019 // - EventLogger#ALL_DANGEROUS_PERMISSIONS 5020 // - metrics_constants.proto 5021 throw new IllegalStateException("Unknown permission " + name); 5022 } 5023 } 5024 5025 return MetricsEvent.ACTION_PERMISSION_REQUEST_READ_CALENDAR + eventIdIndex * 4; 5026 } 5027 5028 /** 5029 * Log that a permission was revoked. 5030 * 5031 * @param context Context of the caller 5032 * @param name name of the permission 5033 * @param packageName package permission if for 5034 */ 5035 private static void logPermissionRevoked(@NonNull Context context, @NonNull String name, 5036 @NonNull String packageName) { 5037 MetricsLogger.action(context, getBaseEventId(name) + 3, packageName); 5038 } 5039 5040 /** 5041 * Log that a permission request was granted. 5042 * 5043 * @param context Context of the caller 5044 * @param name name of the permission 5045 * @param packageName package permission if for 5046 */ 5047 private static void logPermissionGranted(@NonNull Context context, @NonNull String name, 5048 @NonNull String packageName) { 5049 MetricsLogger.action(context, getBaseEventId(name) + 1, packageName); 5050 } 5051 5052 @Override 5053 public void resetRuntimePermissions() { 5054 mContext.enforceCallingOrSelfPermission( 5055 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 5056 "revokeRuntimePermission"); 5057 5058 int callingUid = Binder.getCallingUid(); 5059 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 5060 mContext.enforceCallingOrSelfPermission( 5061 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5062 "resetRuntimePermissions"); 5063 } 5064 5065 synchronized (mPackages) { 5066 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 5067 for (int userId : UserManagerService.getInstance().getUserIds()) { 5068 final int packageCount = mPackages.size(); 5069 for (int i = 0; i < packageCount; i++) { 5070 PackageParser.Package pkg = mPackages.valueAt(i); 5071 if (!(pkg.mExtras instanceof PackageSetting)) { 5072 continue; 5073 } 5074 PackageSetting ps = (PackageSetting) pkg.mExtras; 5075 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 5076 } 5077 } 5078 } 5079 } 5080 5081 @Override 5082 public int getPermissionFlags(String name, String packageName, int userId) { 5083 if (!sUserManager.exists(userId)) { 5084 return 0; 5085 } 5086 5087 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 5088 5089 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5090 true /* requireFullPermission */, false /* checkShell */, 5091 "getPermissionFlags"); 5092 5093 synchronized (mPackages) { 5094 final PackageParser.Package pkg = mPackages.get(packageName); 5095 if (pkg == null) { 5096 return 0; 5097 } 5098 5099 final BasePermission bp = mSettings.mPermissions.get(name); 5100 if (bp == null) { 5101 return 0; 5102 } 5103 5104 SettingBase sb = (SettingBase) pkg.mExtras; 5105 if (sb == null) { 5106 return 0; 5107 } 5108 5109 PermissionsState permissionsState = sb.getPermissionsState(); 5110 return permissionsState.getPermissionFlags(name, userId); 5111 } 5112 } 5113 5114 @Override 5115 public void updatePermissionFlags(String name, String packageName, int flagMask, 5116 int flagValues, int userId) { 5117 if (!sUserManager.exists(userId)) { 5118 return; 5119 } 5120 5121 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 5122 5123 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5124 true /* requireFullPermission */, true /* checkShell */, 5125 "updatePermissionFlags"); 5126 5127 // Only the system can change these flags and nothing else. 5128 if (getCallingUid() != Process.SYSTEM_UID) { 5129 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5130 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5131 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5132 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5133 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 5134 } 5135 5136 synchronized (mPackages) { 5137 final PackageParser.Package pkg = mPackages.get(packageName); 5138 if (pkg == null) { 5139 throw new IllegalArgumentException("Unknown package: " + packageName); 5140 } 5141 5142 final BasePermission bp = mSettings.mPermissions.get(name); 5143 if (bp == null) { 5144 throw new IllegalArgumentException("Unknown permission: " + name); 5145 } 5146 5147 SettingBase sb = (SettingBase) pkg.mExtras; 5148 if (sb == null) { 5149 throw new IllegalArgumentException("Unknown package: " + packageName); 5150 } 5151 5152 PermissionsState permissionsState = sb.getPermissionsState(); 5153 5154 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 5155 5156 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 5157 // Install and runtime permissions are stored in different places, 5158 // so figure out what permission changed and persist the change. 5159 if (permissionsState.getInstallPermissionState(name) != null) { 5160 scheduleWriteSettingsLocked(); 5161 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 5162 || hadState) { 5163 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5164 } 5165 } 5166 } 5167 } 5168 5169 /** 5170 * Update the permission flags for all packages and runtime permissions of a user in order 5171 * to allow device or profile owner to remove POLICY_FIXED. 5172 */ 5173 @Override 5174 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 5175 if (!sUserManager.exists(userId)) { 5176 return; 5177 } 5178 5179 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 5180 5181 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5182 true /* requireFullPermission */, true /* checkShell */, 5183 "updatePermissionFlagsForAllApps"); 5184 5185 // Only the system can change system fixed flags. 5186 if (getCallingUid() != Process.SYSTEM_UID) { 5187 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5188 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5189 } 5190 5191 synchronized (mPackages) { 5192 boolean changed = false; 5193 final int packageCount = mPackages.size(); 5194 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 5195 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 5196 SettingBase sb = (SettingBase) pkg.mExtras; 5197 if (sb == null) { 5198 continue; 5199 } 5200 PermissionsState permissionsState = sb.getPermissionsState(); 5201 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 5202 userId, flagMask, flagValues); 5203 } 5204 if (changed) { 5205 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5206 } 5207 } 5208 } 5209 5210 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 5211 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 5212 != PackageManager.PERMISSION_GRANTED 5213 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 5214 != PackageManager.PERMISSION_GRANTED) { 5215 throw new SecurityException(message + " requires " 5216 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 5217 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 5218 } 5219 } 5220 5221 @Override 5222 public boolean shouldShowRequestPermissionRationale(String permissionName, 5223 String packageName, int userId) { 5224 if (UserHandle.getCallingUserId() != userId) { 5225 mContext.enforceCallingPermission( 5226 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5227 "canShowRequestPermissionRationale for user " + userId); 5228 } 5229 5230 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 5231 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 5232 return false; 5233 } 5234 5235 if (checkPermission(permissionName, packageName, userId) 5236 == PackageManager.PERMISSION_GRANTED) { 5237 return false; 5238 } 5239 5240 final int flags; 5241 5242 final long identity = Binder.clearCallingIdentity(); 5243 try { 5244 flags = getPermissionFlags(permissionName, 5245 packageName, userId); 5246 } finally { 5247 Binder.restoreCallingIdentity(identity); 5248 } 5249 5250 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 5251 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 5252 | PackageManager.FLAG_PERMISSION_USER_FIXED; 5253 5254 if ((flags & fixedFlags) != 0) { 5255 return false; 5256 } 5257 5258 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 5259 } 5260 5261 @Override 5262 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5263 mContext.enforceCallingOrSelfPermission( 5264 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 5265 "addOnPermissionsChangeListener"); 5266 5267 synchronized (mPackages) { 5268 mOnPermissionChangeListeners.addListenerLocked(listener); 5269 } 5270 } 5271 5272 @Override 5273 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5274 synchronized (mPackages) { 5275 mOnPermissionChangeListeners.removeListenerLocked(listener); 5276 } 5277 } 5278 5279 @Override 5280 public boolean isProtectedBroadcast(String actionName) { 5281 synchronized (mPackages) { 5282 if (mProtectedBroadcasts.contains(actionName)) { 5283 return true; 5284 } else if (actionName != null) { 5285 // TODO: remove these terrible hacks 5286 if (actionName.startsWith("android.net.netmon.lingerExpired") 5287 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 5288 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 5289 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 5290 return true; 5291 } 5292 } 5293 } 5294 return false; 5295 } 5296 5297 @Override 5298 public int checkSignatures(String pkg1, String pkg2) { 5299 synchronized (mPackages) { 5300 final PackageParser.Package p1 = mPackages.get(pkg1); 5301 final PackageParser.Package p2 = mPackages.get(pkg2); 5302 if (p1 == null || p1.mExtras == null 5303 || p2 == null || p2.mExtras == null) { 5304 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5305 } 5306 return compareSignatures(p1.mSignatures, p2.mSignatures); 5307 } 5308 } 5309 5310 @Override 5311 public int checkUidSignatures(int uid1, int uid2) { 5312 // Map to base uids. 5313 uid1 = UserHandle.getAppId(uid1); 5314 uid2 = UserHandle.getAppId(uid2); 5315 // reader 5316 synchronized (mPackages) { 5317 Signature[] s1; 5318 Signature[] s2; 5319 Object obj = mSettings.getUserIdLPr(uid1); 5320 if (obj != null) { 5321 if (obj instanceof SharedUserSetting) { 5322 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 5323 } else if (obj instanceof PackageSetting) { 5324 s1 = ((PackageSetting)obj).signatures.mSignatures; 5325 } else { 5326 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5327 } 5328 } else { 5329 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5330 } 5331 obj = mSettings.getUserIdLPr(uid2); 5332 if (obj != null) { 5333 if (obj instanceof SharedUserSetting) { 5334 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 5335 } else if (obj instanceof PackageSetting) { 5336 s2 = ((PackageSetting)obj).signatures.mSignatures; 5337 } else { 5338 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5339 } 5340 } else { 5341 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5342 } 5343 return compareSignatures(s1, s2); 5344 } 5345 } 5346 5347 /** 5348 * This method should typically only be used when granting or revoking 5349 * permissions, since the app may immediately restart after this call. 5350 * <p> 5351 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 5352 * guard your work against the app being relaunched. 5353 */ 5354 private void killUid(int appId, int userId, String reason) { 5355 final long identity = Binder.clearCallingIdentity(); 5356 try { 5357 IActivityManager am = ActivityManager.getService(); 5358 if (am != null) { 5359 try { 5360 am.killUid(appId, userId, reason); 5361 } catch (RemoteException e) { 5362 /* ignore - same process */ 5363 } 5364 } 5365 } finally { 5366 Binder.restoreCallingIdentity(identity); 5367 } 5368 } 5369 5370 /** 5371 * Compares two sets of signatures. Returns: 5372 * <br /> 5373 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 5374 * <br /> 5375 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 5376 * <br /> 5377 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 5378 * <br /> 5379 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 5380 * <br /> 5381 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 5382 */ 5383 static int compareSignatures(Signature[] s1, Signature[] s2) { 5384 if (s1 == null) { 5385 return s2 == null 5386 ? PackageManager.SIGNATURE_NEITHER_SIGNED 5387 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 5388 } 5389 5390 if (s2 == null) { 5391 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 5392 } 5393 5394 if (s1.length != s2.length) { 5395 return PackageManager.SIGNATURE_NO_MATCH; 5396 } 5397 5398 // Since both signature sets are of size 1, we can compare without HashSets. 5399 if (s1.length == 1) { 5400 return s1[0].equals(s2[0]) ? 5401 PackageManager.SIGNATURE_MATCH : 5402 PackageManager.SIGNATURE_NO_MATCH; 5403 } 5404 5405 ArraySet<Signature> set1 = new ArraySet<Signature>(); 5406 for (Signature sig : s1) { 5407 set1.add(sig); 5408 } 5409 ArraySet<Signature> set2 = new ArraySet<Signature>(); 5410 for (Signature sig : s2) { 5411 set2.add(sig); 5412 } 5413 // Make sure s2 contains all signatures in s1. 5414 if (set1.equals(set2)) { 5415 return PackageManager.SIGNATURE_MATCH; 5416 } 5417 return PackageManager.SIGNATURE_NO_MATCH; 5418 } 5419 5420 /** 5421 * If the database version for this type of package (internal storage or 5422 * external storage) is less than the version where package signatures 5423 * were updated, return true. 5424 */ 5425 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5426 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5427 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 5428 } 5429 5430 /** 5431 * Used for backward compatibility to make sure any packages with 5432 * certificate chains get upgraded to the new style. {@code existingSigs} 5433 * will be in the old format (since they were stored on disk from before the 5434 * system upgrade) and {@code scannedSigs} will be in the newer format. 5435 */ 5436 private int compareSignaturesCompat(PackageSignatures existingSigs, 5437 PackageParser.Package scannedPkg) { 5438 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 5439 return PackageManager.SIGNATURE_NO_MATCH; 5440 } 5441 5442 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 5443 for (Signature sig : existingSigs.mSignatures) { 5444 existingSet.add(sig); 5445 } 5446 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 5447 for (Signature sig : scannedPkg.mSignatures) { 5448 try { 5449 Signature[] chainSignatures = sig.getChainSignatures(); 5450 for (Signature chainSig : chainSignatures) { 5451 scannedCompatSet.add(chainSig); 5452 } 5453 } catch (CertificateEncodingException e) { 5454 scannedCompatSet.add(sig); 5455 } 5456 } 5457 /* 5458 * Make sure the expanded scanned set contains all signatures in the 5459 * existing one. 5460 */ 5461 if (scannedCompatSet.equals(existingSet)) { 5462 // Migrate the old signatures to the new scheme. 5463 existingSigs.assignSignatures(scannedPkg.mSignatures); 5464 // The new KeySets will be re-added later in the scanning process. 5465 synchronized (mPackages) { 5466 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 5467 } 5468 return PackageManager.SIGNATURE_MATCH; 5469 } 5470 return PackageManager.SIGNATURE_NO_MATCH; 5471 } 5472 5473 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5474 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5475 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 5476 } 5477 5478 private int compareSignaturesRecover(PackageSignatures existingSigs, 5479 PackageParser.Package scannedPkg) { 5480 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 5481 return PackageManager.SIGNATURE_NO_MATCH; 5482 } 5483 5484 String msg = null; 5485 try { 5486 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 5487 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 5488 + scannedPkg.packageName); 5489 return PackageManager.SIGNATURE_MATCH; 5490 } 5491 } catch (CertificateException e) { 5492 msg = e.getMessage(); 5493 } 5494 5495 logCriticalInfo(Log.INFO, 5496 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 5497 return PackageManager.SIGNATURE_NO_MATCH; 5498 } 5499 5500 @Override 5501 public List<String> getAllPackages() { 5502 synchronized (mPackages) { 5503 return new ArrayList<String>(mPackages.keySet()); 5504 } 5505 } 5506 5507 @Override 5508 public String[] getPackagesForUid(int uid) { 5509 final int userId = UserHandle.getUserId(uid); 5510 uid = UserHandle.getAppId(uid); 5511 // reader 5512 synchronized (mPackages) { 5513 Object obj = mSettings.getUserIdLPr(uid); 5514 if (obj instanceof SharedUserSetting) { 5515 final SharedUserSetting sus = (SharedUserSetting) obj; 5516 final int N = sus.packages.size(); 5517 String[] res = new String[N]; 5518 final Iterator<PackageSetting> it = sus.packages.iterator(); 5519 int i = 0; 5520 while (it.hasNext()) { 5521 PackageSetting ps = it.next(); 5522 if (ps.getInstalled(userId)) { 5523 res[i++] = ps.name; 5524 } else { 5525 res = ArrayUtils.removeElement(String.class, res, res[i]); 5526 } 5527 } 5528 return res; 5529 } else if (obj instanceof PackageSetting) { 5530 final PackageSetting ps = (PackageSetting) obj; 5531 if (ps.getInstalled(userId)) { 5532 return new String[]{ps.name}; 5533 } 5534 } 5535 } 5536 return null; 5537 } 5538 5539 @Override 5540 public String getNameForUid(int uid) { 5541 // reader 5542 synchronized (mPackages) { 5543 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5544 if (obj instanceof SharedUserSetting) { 5545 final SharedUserSetting sus = (SharedUserSetting) obj; 5546 return sus.name + ":" + sus.userId; 5547 } else if (obj instanceof PackageSetting) { 5548 final PackageSetting ps = (PackageSetting) obj; 5549 return ps.name; 5550 } 5551 } 5552 return null; 5553 } 5554 5555 @Override 5556 public int getUidForSharedUser(String sharedUserName) { 5557 if(sharedUserName == null) { 5558 return -1; 5559 } 5560 // reader 5561 synchronized (mPackages) { 5562 SharedUserSetting suid; 5563 try { 5564 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5565 if (suid != null) { 5566 return suid.userId; 5567 } 5568 } catch (PackageManagerException ignore) { 5569 // can't happen, but, still need to catch it 5570 } 5571 return -1; 5572 } 5573 } 5574 5575 @Override 5576 public int getFlagsForUid(int uid) { 5577 synchronized (mPackages) { 5578 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5579 if (obj instanceof SharedUserSetting) { 5580 final SharedUserSetting sus = (SharedUserSetting) obj; 5581 return sus.pkgFlags; 5582 } else if (obj instanceof PackageSetting) { 5583 final PackageSetting ps = (PackageSetting) obj; 5584 return ps.pkgFlags; 5585 } 5586 } 5587 return 0; 5588 } 5589 5590 @Override 5591 public int getPrivateFlagsForUid(int uid) { 5592 synchronized (mPackages) { 5593 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5594 if (obj instanceof SharedUserSetting) { 5595 final SharedUserSetting sus = (SharedUserSetting) obj; 5596 return sus.pkgPrivateFlags; 5597 } else if (obj instanceof PackageSetting) { 5598 final PackageSetting ps = (PackageSetting) obj; 5599 return ps.pkgPrivateFlags; 5600 } 5601 } 5602 return 0; 5603 } 5604 5605 @Override 5606 public boolean isUidPrivileged(int uid) { 5607 uid = UserHandle.getAppId(uid); 5608 // reader 5609 synchronized (mPackages) { 5610 Object obj = mSettings.getUserIdLPr(uid); 5611 if (obj instanceof SharedUserSetting) { 5612 final SharedUserSetting sus = (SharedUserSetting) obj; 5613 final Iterator<PackageSetting> it = sus.packages.iterator(); 5614 while (it.hasNext()) { 5615 if (it.next().isPrivileged()) { 5616 return true; 5617 } 5618 } 5619 } else if (obj instanceof PackageSetting) { 5620 final PackageSetting ps = (PackageSetting) obj; 5621 return ps.isPrivileged(); 5622 } 5623 } 5624 return false; 5625 } 5626 5627 @Override 5628 public String[] getAppOpPermissionPackages(String permissionName) { 5629 synchronized (mPackages) { 5630 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 5631 if (pkgs == null) { 5632 return null; 5633 } 5634 return pkgs.toArray(new String[pkgs.size()]); 5635 } 5636 } 5637 5638 @Override 5639 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5640 int flags, int userId) { 5641 return resolveIntentInternal( 5642 intent, resolvedType, flags, userId, false /*includeInstantApp*/); 5643 } 5644 5645 private ResolveInfo resolveIntentInternal(Intent intent, String resolvedType, 5646 int flags, int userId, boolean includeInstantApp) { 5647 try { 5648 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5649 5650 if (!sUserManager.exists(userId)) return null; 5651 flags = updateFlagsForResolve(flags, userId, intent, includeInstantApp); 5652 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5653 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5654 5655 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5656 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5657 flags, userId, includeInstantApp); 5658 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5659 5660 final ResolveInfo bestChoice = 5661 chooseBestActivity(intent, resolvedType, flags, query, userId); 5662 return bestChoice; 5663 } finally { 5664 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5665 } 5666 } 5667 5668 @Override 5669 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 5670 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 5671 throw new SecurityException( 5672 "findPersistentPreferredActivity can only be run by the system"); 5673 } 5674 if (!sUserManager.exists(userId)) { 5675 return null; 5676 } 5677 intent = updateIntentForResolve(intent); 5678 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 5679 final int flags = updateFlagsForResolve(0, userId, intent, false); 5680 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5681 userId); 5682 synchronized (mPackages) { 5683 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 5684 userId); 5685 } 5686 } 5687 5688 @Override 5689 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 5690 IntentFilter filter, int match, ComponentName activity) { 5691 final int userId = UserHandle.getCallingUserId(); 5692 if (DEBUG_PREFERRED) { 5693 Log.v(TAG, "setLastChosenActivity intent=" + intent 5694 + " resolvedType=" + resolvedType 5695 + " flags=" + flags 5696 + " filter=" + filter 5697 + " match=" + match 5698 + " activity=" + activity); 5699 filter.dump(new PrintStreamPrinter(System.out), " "); 5700 } 5701 intent.setComponent(null); 5702 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5703 userId); 5704 // Find any earlier preferred or last chosen entries and nuke them 5705 findPreferredActivity(intent, resolvedType, 5706 flags, query, 0, false, true, false, userId); 5707 // Add the new activity as the last chosen for this filter 5708 addPreferredActivityInternal(filter, match, null, activity, false, userId, 5709 "Setting last chosen"); 5710 } 5711 5712 @Override 5713 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 5714 final int userId = UserHandle.getCallingUserId(); 5715 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 5716 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5717 userId); 5718 return findPreferredActivity(intent, resolvedType, flags, query, 0, 5719 false, false, false, userId); 5720 } 5721 5722 /** 5723 * Returns whether or not instant apps have been disabled remotely. 5724 * <p><em>IMPORTANT</em> This should not be called with the package manager lock 5725 * held. Otherwise we run the risk of deadlock. 5726 */ 5727 private boolean isEphemeralDisabled() { 5728 // ephemeral apps have been disabled across the board 5729 if (DISABLE_EPHEMERAL_APPS) { 5730 return true; 5731 } 5732 // system isn't up yet; can't read settings, so, assume no ephemeral apps 5733 if (!mSystemReady) { 5734 return true; 5735 } 5736 // we can't get a content resolver until the system is ready; these checks must happen last 5737 final ContentResolver resolver = mContext.getContentResolver(); 5738 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 5739 return true; 5740 } 5741 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 5742 } 5743 5744 private boolean isEphemeralAllowed( 5745 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 5746 boolean skipPackageCheck) { 5747 final int callingUser = UserHandle.getCallingUserId(); 5748 if (callingUser != UserHandle.USER_SYSTEM) { 5749 return false; 5750 } 5751 if (mInstantAppResolverConnection == null) { 5752 return false; 5753 } 5754 if (mInstantAppInstallerComponent == null) { 5755 return false; 5756 } 5757 if (intent.getComponent() != null) { 5758 return false; 5759 } 5760 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 5761 return false; 5762 } 5763 if (!skipPackageCheck && intent.getPackage() != null) { 5764 return false; 5765 } 5766 final boolean isWebUri = hasWebURI(intent); 5767 if (!isWebUri || intent.getData().getHost() == null) { 5768 return false; 5769 } 5770 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5771 // Or if there's already an ephemeral app installed that handles the action 5772 synchronized (mPackages) { 5773 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 5774 for (int n = 0; n < count; n++) { 5775 ResolveInfo info = resolvedActivities.get(n); 5776 String packageName = info.activityInfo.packageName; 5777 PackageSetting ps = mSettings.mPackages.get(packageName); 5778 if (ps != null) { 5779 // Try to get the status from User settings first 5780 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5781 int status = (int) (packedStatus >> 32); 5782 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5783 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5784 if (DEBUG_EPHEMERAL) { 5785 Slog.v(TAG, "DENY ephemeral apps;" 5786 + " pkg: " + packageName + ", status: " + status); 5787 } 5788 return false; 5789 } 5790 if (ps.getInstantApp(userId)) { 5791 return false; 5792 } 5793 } 5794 } 5795 } 5796 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5797 return true; 5798 } 5799 5800 private void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 5801 Intent origIntent, String resolvedType, String callingPackage, 5802 int userId) { 5803 final Message msg = mHandler.obtainMessage(INSTANT_APP_RESOLUTION_PHASE_TWO, 5804 new InstantAppRequest(responseObj, origIntent, resolvedType, 5805 callingPackage, userId)); 5806 mHandler.sendMessage(msg); 5807 } 5808 5809 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5810 int flags, List<ResolveInfo> query, int userId) { 5811 if (query != null) { 5812 final int N = query.size(); 5813 if (N == 1) { 5814 return query.get(0); 5815 } else if (N > 1) { 5816 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5817 // If there is more than one activity with the same priority, 5818 // then let the user decide between them. 5819 ResolveInfo r0 = query.get(0); 5820 ResolveInfo r1 = query.get(1); 5821 if (DEBUG_INTENT_MATCHING || debug) { 5822 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5823 + r1.activityInfo.name + "=" + r1.priority); 5824 } 5825 // If the first activity has a higher priority, or a different 5826 // default, then it is always desirable to pick it. 5827 if (r0.priority != r1.priority 5828 || r0.preferredOrder != r1.preferredOrder 5829 || r0.isDefault != r1.isDefault) { 5830 return query.get(0); 5831 } 5832 // If we have saved a preference for a preferred activity for 5833 // this Intent, use that. 5834 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5835 flags, query, r0.priority, true, false, debug, userId); 5836 if (ri != null) { 5837 return ri; 5838 } 5839 // If we have an ephemeral app, use it 5840 for (int i = 0; i < N; i++) { 5841 ri = query.get(i); 5842 if (ri.activityInfo.applicationInfo.isInstantApp()) { 5843 return ri; 5844 } 5845 } 5846 ri = new ResolveInfo(mResolveInfo); 5847 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5848 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5849 // If all of the options come from the same package, show the application's 5850 // label and icon instead of the generic resolver's. 5851 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5852 // and then throw away the ResolveInfo itself, meaning that the caller loses 5853 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5854 // a fallback for this case; we only set the target package's resources on 5855 // the ResolveInfo, not the ActivityInfo. 5856 final String intentPackage = intent.getPackage(); 5857 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5858 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5859 ri.resolvePackageName = intentPackage; 5860 if (userNeedsBadging(userId)) { 5861 ri.noResourceId = true; 5862 } else { 5863 ri.icon = appi.icon; 5864 } 5865 ri.iconResourceId = appi.icon; 5866 ri.labelRes = appi.labelRes; 5867 } 5868 ri.activityInfo.applicationInfo = new ApplicationInfo( 5869 ri.activityInfo.applicationInfo); 5870 if (userId != 0) { 5871 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5872 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5873 } 5874 // Make sure that the resolver is displayable in car mode 5875 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5876 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5877 return ri; 5878 } 5879 } 5880 return null; 5881 } 5882 5883 /** 5884 * Return true if the given list is not empty and all of its contents have 5885 * an activityInfo with the given package name. 5886 */ 5887 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5888 if (ArrayUtils.isEmpty(list)) { 5889 return false; 5890 } 5891 for (int i = 0, N = list.size(); i < N; i++) { 5892 final ResolveInfo ri = list.get(i); 5893 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5894 if (ai == null || !packageName.equals(ai.packageName)) { 5895 return false; 5896 } 5897 } 5898 return true; 5899 } 5900 5901 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5902 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5903 final int N = query.size(); 5904 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5905 .get(userId); 5906 // Get the list of persistent preferred activities that handle the intent 5907 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5908 List<PersistentPreferredActivity> pprefs = ppir != null 5909 ? ppir.queryIntent(intent, resolvedType, 5910 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5911 userId) 5912 : null; 5913 if (pprefs != null && pprefs.size() > 0) { 5914 final int M = pprefs.size(); 5915 for (int i=0; i<M; i++) { 5916 final PersistentPreferredActivity ppa = pprefs.get(i); 5917 if (DEBUG_PREFERRED || debug) { 5918 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5919 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5920 + "\n component=" + ppa.mComponent); 5921 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5922 } 5923 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5924 flags | MATCH_DISABLED_COMPONENTS, userId); 5925 if (DEBUG_PREFERRED || debug) { 5926 Slog.v(TAG, "Found persistent preferred activity:"); 5927 if (ai != null) { 5928 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5929 } else { 5930 Slog.v(TAG, " null"); 5931 } 5932 } 5933 if (ai == null) { 5934 // This previously registered persistent preferred activity 5935 // component is no longer known. Ignore it and do NOT remove it. 5936 continue; 5937 } 5938 for (int j=0; j<N; j++) { 5939 final ResolveInfo ri = query.get(j); 5940 if (!ri.activityInfo.applicationInfo.packageName 5941 .equals(ai.applicationInfo.packageName)) { 5942 continue; 5943 } 5944 if (!ri.activityInfo.name.equals(ai.name)) { 5945 continue; 5946 } 5947 // Found a persistent preference that can handle the intent. 5948 if (DEBUG_PREFERRED || debug) { 5949 Slog.v(TAG, "Returning persistent preferred activity: " + 5950 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5951 } 5952 return ri; 5953 } 5954 } 5955 } 5956 return null; 5957 } 5958 5959 // TODO: handle preferred activities missing while user has amnesia 5960 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5961 List<ResolveInfo> query, int priority, boolean always, 5962 boolean removeMatches, boolean debug, int userId) { 5963 if (!sUserManager.exists(userId)) return null; 5964 flags = updateFlagsForResolve(flags, userId, intent, false); 5965 intent = updateIntentForResolve(intent); 5966 // writer 5967 synchronized (mPackages) { 5968 // Try to find a matching persistent preferred activity. 5969 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5970 debug, userId); 5971 5972 // If a persistent preferred activity matched, use it. 5973 if (pri != null) { 5974 return pri; 5975 } 5976 5977 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5978 // Get the list of preferred activities that handle the intent 5979 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5980 List<PreferredActivity> prefs = pir != null 5981 ? pir.queryIntent(intent, resolvedType, 5982 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5983 userId) 5984 : null; 5985 if (prefs != null && prefs.size() > 0) { 5986 boolean changed = false; 5987 try { 5988 // First figure out how good the original match set is. 5989 // We will only allow preferred activities that came 5990 // from the same match quality. 5991 int match = 0; 5992 5993 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5994 5995 final int N = query.size(); 5996 for (int j=0; j<N; j++) { 5997 final ResolveInfo ri = query.get(j); 5998 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5999 + ": 0x" + Integer.toHexString(match)); 6000 if (ri.match > match) { 6001 match = ri.match; 6002 } 6003 } 6004 6005 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 6006 + Integer.toHexString(match)); 6007 6008 match &= IntentFilter.MATCH_CATEGORY_MASK; 6009 final int M = prefs.size(); 6010 for (int i=0; i<M; i++) { 6011 final PreferredActivity pa = prefs.get(i); 6012 if (DEBUG_PREFERRED || debug) { 6013 Slog.v(TAG, "Checking PreferredActivity ds=" 6014 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 6015 + "\n component=" + pa.mPref.mComponent); 6016 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6017 } 6018 if (pa.mPref.mMatch != match) { 6019 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 6020 + Integer.toHexString(pa.mPref.mMatch)); 6021 continue; 6022 } 6023 // If it's not an "always" type preferred activity and that's what we're 6024 // looking for, skip it. 6025 if (always && !pa.mPref.mAlways) { 6026 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 6027 continue; 6028 } 6029 final ActivityInfo ai = getActivityInfo( 6030 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 6031 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 6032 userId); 6033 if (DEBUG_PREFERRED || debug) { 6034 Slog.v(TAG, "Found preferred activity:"); 6035 if (ai != null) { 6036 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6037 } else { 6038 Slog.v(TAG, " null"); 6039 } 6040 } 6041 if (ai == null) { 6042 // This previously registered preferred activity 6043 // component is no longer known. Most likely an update 6044 // to the app was installed and in the new version this 6045 // component no longer exists. Clean it up by removing 6046 // it from the preferred activities list, and skip it. 6047 Slog.w(TAG, "Removing dangling preferred activity: " 6048 + pa.mPref.mComponent); 6049 pir.removeFilter(pa); 6050 changed = true; 6051 continue; 6052 } 6053 for (int j=0; j<N; j++) { 6054 final ResolveInfo ri = query.get(j); 6055 if (!ri.activityInfo.applicationInfo.packageName 6056 .equals(ai.applicationInfo.packageName)) { 6057 continue; 6058 } 6059 if (!ri.activityInfo.name.equals(ai.name)) { 6060 continue; 6061 } 6062 6063 if (removeMatches) { 6064 pir.removeFilter(pa); 6065 changed = true; 6066 if (DEBUG_PREFERRED) { 6067 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 6068 } 6069 break; 6070 } 6071 6072 // Okay we found a previously set preferred or last chosen app. 6073 // If the result set is different from when this 6074 // was created, we need to clear it and re-ask the 6075 // user their preference, if we're looking for an "always" type entry. 6076 if (always && !pa.mPref.sameSet(query)) { 6077 Slog.i(TAG, "Result set changed, dropping preferred activity for " 6078 + intent + " type " + resolvedType); 6079 if (DEBUG_PREFERRED) { 6080 Slog.v(TAG, "Removing preferred activity since set changed " 6081 + pa.mPref.mComponent); 6082 } 6083 pir.removeFilter(pa); 6084 // Re-add the filter as a "last chosen" entry (!always) 6085 PreferredActivity lastChosen = new PreferredActivity( 6086 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 6087 pir.addFilter(lastChosen); 6088 changed = true; 6089 return null; 6090 } 6091 6092 // Yay! Either the set matched or we're looking for the last chosen 6093 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 6094 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6095 return ri; 6096 } 6097 } 6098 } finally { 6099 if (changed) { 6100 if (DEBUG_PREFERRED) { 6101 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 6102 } 6103 scheduleWritePackageRestrictionsLocked(userId); 6104 } 6105 } 6106 } 6107 } 6108 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 6109 return null; 6110 } 6111 6112 /* 6113 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 6114 */ 6115 @Override 6116 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 6117 int targetUserId) { 6118 mContext.enforceCallingOrSelfPermission( 6119 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 6120 List<CrossProfileIntentFilter> matches = 6121 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 6122 if (matches != null) { 6123 int size = matches.size(); 6124 for (int i = 0; i < size; i++) { 6125 if (matches.get(i).getTargetUserId() == targetUserId) return true; 6126 } 6127 } 6128 if (hasWebURI(intent)) { 6129 // cross-profile app linking works only towards the parent. 6130 final UserInfo parent = getProfileParent(sourceUserId); 6131 synchronized(mPackages) { 6132 int flags = updateFlagsForResolve(0, parent.id, intent, false); 6133 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 6134 intent, resolvedType, flags, sourceUserId, parent.id); 6135 return xpDomainInfo != null; 6136 } 6137 } 6138 return false; 6139 } 6140 6141 private UserInfo getProfileParent(int userId) { 6142 final long identity = Binder.clearCallingIdentity(); 6143 try { 6144 return sUserManager.getProfileParent(userId); 6145 } finally { 6146 Binder.restoreCallingIdentity(identity); 6147 } 6148 } 6149 6150 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 6151 String resolvedType, int userId) { 6152 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 6153 if (resolver != null) { 6154 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, userId); 6155 } 6156 return null; 6157 } 6158 6159 @Override 6160 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 6161 String resolvedType, int flags, int userId) { 6162 try { 6163 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 6164 6165 return new ParceledListSlice<>( 6166 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 6167 } finally { 6168 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6169 } 6170 } 6171 6172 /** 6173 * Returns the package name of the calling Uid if it's an instant app. If it isn't 6174 * instant, returns {@code null}. 6175 */ 6176 private String getInstantAppPackageName(int callingUid) { 6177 final int appId = UserHandle.getAppId(callingUid); 6178 synchronized (mPackages) { 6179 final Object obj = mSettings.getUserIdLPr(appId); 6180 if (obj instanceof PackageSetting) { 6181 final PackageSetting ps = (PackageSetting) obj; 6182 final boolean isInstantApp = ps.getInstantApp(UserHandle.getUserId(callingUid)); 6183 return isInstantApp ? ps.pkg.packageName : null; 6184 } 6185 } 6186 return null; 6187 } 6188 6189 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6190 String resolvedType, int flags, int userId) { 6191 return queryIntentActivitiesInternal(intent, resolvedType, flags, userId, false); 6192 } 6193 6194 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6195 String resolvedType, int flags, int userId, boolean includeInstantApp) { 6196 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6197 final String instantAppPkgName = getInstantAppPackageName(Binder.getCallingUid()); 6198 flags = updateFlagsForResolve(flags, userId, intent, includeInstantApp); 6199 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6200 false /* requireFullPermission */, false /* checkShell */, 6201 "query intent activities"); 6202 ComponentName comp = intent.getComponent(); 6203 if (comp == null) { 6204 if (intent.getSelector() != null) { 6205 intent = intent.getSelector(); 6206 comp = intent.getComponent(); 6207 } 6208 } 6209 6210 if (comp != null) { 6211 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6212 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 6213 if (ai != null) { 6214 // When specifying an explicit component, we prevent the activity from being 6215 // used when either 1) the calling package is normal and the activity is within 6216 // an ephemeral application or 2) the calling package is ephemeral and the 6217 // activity is not visible to ephemeral applications. 6218 final boolean matchInstantApp = 6219 (flags & PackageManager.MATCH_INSTANT) != 0; 6220 final boolean matchVisibleToInstantAppOnly = 6221 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 6222 final boolean isCallerInstantApp = 6223 instantAppPkgName != null; 6224 final boolean isTargetSameInstantApp = 6225 comp.getPackageName().equals(instantAppPkgName); 6226 final boolean isTargetInstantApp = 6227 (ai.applicationInfo.privateFlags 6228 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 6229 final boolean isTargetHiddenFromInstantApp = 6230 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0; 6231 final boolean blockResolution = 6232 !isTargetSameInstantApp 6233 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 6234 || (matchVisibleToInstantAppOnly && isCallerInstantApp 6235 && isTargetHiddenFromInstantApp)); 6236 if (!blockResolution) { 6237 final ResolveInfo ri = new ResolveInfo(); 6238 ri.activityInfo = ai; 6239 list.add(ri); 6240 } 6241 } 6242 return applyPostResolutionFilter(list, instantAppPkgName); 6243 } 6244 6245 // reader 6246 boolean sortResult = false; 6247 boolean addEphemeral = false; 6248 List<ResolveInfo> result; 6249 final String pkgName = intent.getPackage(); 6250 final boolean ephemeralDisabled = isEphemeralDisabled(); 6251 synchronized (mPackages) { 6252 if (pkgName == null) { 6253 List<CrossProfileIntentFilter> matchingFilters = 6254 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 6255 // Check for results that need to skip the current profile. 6256 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 6257 resolvedType, flags, userId); 6258 if (xpResolveInfo != null) { 6259 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 6260 xpResult.add(xpResolveInfo); 6261 return applyPostResolutionFilter( 6262 filterIfNotSystemUser(xpResult, userId), instantAppPkgName); 6263 } 6264 6265 // Check for results in the current profile. 6266 result = filterIfNotSystemUser(mActivities.queryIntent( 6267 intent, resolvedType, flags, userId), userId); 6268 addEphemeral = !ephemeralDisabled 6269 && isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 6270 6271 // Check for cross profile results. 6272 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 6273 xpResolveInfo = queryCrossProfileIntents( 6274 matchingFilters, intent, resolvedType, flags, userId, 6275 hasNonNegativePriorityResult); 6276 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 6277 boolean isVisibleToUser = filterIfNotSystemUser( 6278 Collections.singletonList(xpResolveInfo), userId).size() > 0; 6279 if (isVisibleToUser) { 6280 result.add(xpResolveInfo); 6281 sortResult = true; 6282 } 6283 } 6284 if (hasWebURI(intent)) { 6285 CrossProfileDomainInfo xpDomainInfo = null; 6286 final UserInfo parent = getProfileParent(userId); 6287 if (parent != null) { 6288 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 6289 flags, userId, parent.id); 6290 } 6291 if (xpDomainInfo != null) { 6292 if (xpResolveInfo != null) { 6293 // If we didn't remove it, the cross-profile ResolveInfo would be twice 6294 // in the result. 6295 result.remove(xpResolveInfo); 6296 } 6297 if (result.size() == 0 && !addEphemeral) { 6298 // No result in current profile, but found candidate in parent user. 6299 // And we are not going to add emphemeral app, so we can return the 6300 // result straight away. 6301 result.add(xpDomainInfo.resolveInfo); 6302 return applyPostResolutionFilter(result, instantAppPkgName); 6303 } 6304 } else if (result.size() <= 1 && !addEphemeral) { 6305 // No result in parent user and <= 1 result in current profile, and we 6306 // are not going to add emphemeral app, so we can return the result without 6307 // further processing. 6308 return applyPostResolutionFilter(result, instantAppPkgName); 6309 } 6310 // We have more than one candidate (combining results from current and parent 6311 // profile), so we need filtering and sorting. 6312 result = filterCandidatesWithDomainPreferredActivitiesLPr( 6313 intent, flags, result, xpDomainInfo, userId); 6314 sortResult = true; 6315 } 6316 } else { 6317 final PackageParser.Package pkg = mPackages.get(pkgName); 6318 if (pkg != null) { 6319 return applyPostResolutionFilter(filterIfNotSystemUser( 6320 mActivities.queryIntentForPackage( 6321 intent, resolvedType, flags, pkg.activities, userId), 6322 userId), instantAppPkgName); 6323 } else { 6324 // the caller wants to resolve for a particular package; however, there 6325 // were no installed results, so, try to find an ephemeral result 6326 addEphemeral = !ephemeralDisabled 6327 && isEphemeralAllowed( 6328 intent, null /*result*/, userId, true /*skipPackageCheck*/); 6329 result = new ArrayList<ResolveInfo>(); 6330 } 6331 } 6332 } 6333 if (addEphemeral) { 6334 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 6335 final InstantAppRequest requestObject = new InstantAppRequest( 6336 null /*responseObj*/, intent /*origIntent*/, resolvedType, 6337 null /*callingPackage*/, userId); 6338 final AuxiliaryResolveInfo auxiliaryResponse = 6339 InstantAppResolver.doInstantAppResolutionPhaseOne( 6340 mContext, mInstantAppResolverConnection, requestObject); 6341 if (auxiliaryResponse != null) { 6342 if (DEBUG_EPHEMERAL) { 6343 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6344 } 6345 final ResolveInfo ephemeralInstaller = new ResolveInfo(mInstantAppInstallerInfo); 6346 ephemeralInstaller.activityInfo = new ActivityInfo(mInstantAppInstallerActivity); 6347 ephemeralInstaller.activityInfo.launchToken = auxiliaryResponse.token; 6348 ephemeralInstaller.auxiliaryInfo = auxiliaryResponse; 6349 // make sure this resolver is the default 6350 ephemeralInstaller.isDefault = true; 6351 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6352 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6353 // add a non-generic filter 6354 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 6355 ephemeralInstaller.filter.addDataPath( 6356 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 6357 ephemeralInstaller.instantAppAvailable = true; 6358 result.add(ephemeralInstaller); 6359 } 6360 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6361 } 6362 if (sortResult) { 6363 Collections.sort(result, mResolvePrioritySorter); 6364 } 6365 return applyPostResolutionFilter(result, instantAppPkgName); 6366 } 6367 6368 private static class CrossProfileDomainInfo { 6369 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 6370 ResolveInfo resolveInfo; 6371 /* Best domain verification status of the activities found in the other profile */ 6372 int bestDomainVerificationStatus; 6373 } 6374 6375 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 6376 String resolvedType, int flags, int sourceUserId, int parentUserId) { 6377 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 6378 sourceUserId)) { 6379 return null; 6380 } 6381 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6382 resolvedType, flags, parentUserId); 6383 6384 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 6385 return null; 6386 } 6387 CrossProfileDomainInfo result = null; 6388 int size = resultTargetUser.size(); 6389 for (int i = 0; i < size; i++) { 6390 ResolveInfo riTargetUser = resultTargetUser.get(i); 6391 // Intent filter verification is only for filters that specify a host. So don't return 6392 // those that handle all web uris. 6393 if (riTargetUser.handleAllWebDataURI) { 6394 continue; 6395 } 6396 String packageName = riTargetUser.activityInfo.packageName; 6397 PackageSetting ps = mSettings.mPackages.get(packageName); 6398 if (ps == null) { 6399 continue; 6400 } 6401 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 6402 int status = (int)(verificationState >> 32); 6403 if (result == null) { 6404 result = new CrossProfileDomainInfo(); 6405 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 6406 sourceUserId, parentUserId); 6407 result.bestDomainVerificationStatus = status; 6408 } else { 6409 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 6410 result.bestDomainVerificationStatus); 6411 } 6412 } 6413 // Don't consider matches with status NEVER across profiles. 6414 if (result != null && result.bestDomainVerificationStatus 6415 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6416 return null; 6417 } 6418 return result; 6419 } 6420 6421 /** 6422 * Verification statuses are ordered from the worse to the best, except for 6423 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 6424 */ 6425 private int bestDomainVerificationStatus(int status1, int status2) { 6426 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6427 return status2; 6428 } 6429 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6430 return status1; 6431 } 6432 return (int) MathUtils.max(status1, status2); 6433 } 6434 6435 private boolean isUserEnabled(int userId) { 6436 long callingId = Binder.clearCallingIdentity(); 6437 try { 6438 UserInfo userInfo = sUserManager.getUserInfo(userId); 6439 return userInfo != null && userInfo.isEnabled(); 6440 } finally { 6441 Binder.restoreCallingIdentity(callingId); 6442 } 6443 } 6444 6445 /** 6446 * Filter out activities with systemUserOnly flag set, when current user is not System. 6447 * 6448 * @return filtered list 6449 */ 6450 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 6451 if (userId == UserHandle.USER_SYSTEM) { 6452 return resolveInfos; 6453 } 6454 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6455 ResolveInfo info = resolveInfos.get(i); 6456 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 6457 resolveInfos.remove(i); 6458 } 6459 } 6460 return resolveInfos; 6461 } 6462 6463 /** 6464 * Filters out ephemeral activities. 6465 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 6466 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 6467 * 6468 * @param resolveInfos The pre-filtered list of resolved activities 6469 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 6470 * is performed. 6471 * @return A filtered list of resolved activities. 6472 */ 6473 private List<ResolveInfo> applyPostResolutionFilter(List<ResolveInfo> resolveInfos, 6474 String ephemeralPkgName) { 6475 // TODO: When adding on-demand split support for non-instant apps, remove this check 6476 // and always apply post filtering 6477 if (ephemeralPkgName == null) { 6478 return resolveInfos; 6479 } 6480 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6481 final ResolveInfo info = resolveInfos.get(i); 6482 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isInstantApp(); 6483 // allow activities that are defined in the provided package 6484 if (isEphemeralApp && ephemeralPkgName.equals(info.activityInfo.packageName)) { 6485 if (info.activityInfo.splitName != null 6486 && !ArrayUtils.contains(info.activityInfo.applicationInfo.splitNames, 6487 info.activityInfo.splitName)) { 6488 // requested activity is defined in a split that hasn't been installed yet. 6489 // add the installer to the resolve list 6490 if (DEBUG_EPHEMERAL) { 6491 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6492 } 6493 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 6494 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 6495 info.activityInfo.packageName, info.activityInfo.splitName, 6496 info.activityInfo.applicationInfo.versionCode); 6497 // make sure this resolver is the default 6498 installerInfo.isDefault = true; 6499 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6500 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6501 // add a non-generic filter 6502 installerInfo.filter = new IntentFilter(); 6503 // load resources from the correct package 6504 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 6505 resolveInfos.set(i, installerInfo); 6506 } 6507 continue; 6508 } 6509 // allow activities that have been explicitly exposed to ephemeral apps 6510 if (!isEphemeralApp 6511 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) != 0)) { 6512 continue; 6513 } 6514 resolveInfos.remove(i); 6515 } 6516 return resolveInfos; 6517 } 6518 6519 /** 6520 * @param resolveInfos list of resolve infos in descending priority order 6521 * @return if the list contains a resolve info with non-negative priority 6522 */ 6523 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 6524 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 6525 } 6526 6527 private static boolean hasWebURI(Intent intent) { 6528 if (intent.getData() == null) { 6529 return false; 6530 } 6531 final String scheme = intent.getScheme(); 6532 if (TextUtils.isEmpty(scheme)) { 6533 return false; 6534 } 6535 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 6536 } 6537 6538 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 6539 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 6540 int userId) { 6541 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 6542 6543 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6544 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 6545 candidates.size()); 6546 } 6547 6548 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 6549 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 6550 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 6551 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 6552 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 6553 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 6554 6555 synchronized (mPackages) { 6556 final int count = candidates.size(); 6557 // First, try to use linked apps. Partition the candidates into four lists: 6558 // one for the final results, one for the "do not use ever", one for "undefined status" 6559 // and finally one for "browser app type". 6560 for (int n=0; n<count; n++) { 6561 ResolveInfo info = candidates.get(n); 6562 String packageName = info.activityInfo.packageName; 6563 PackageSetting ps = mSettings.mPackages.get(packageName); 6564 if (ps != null) { 6565 // Add to the special match all list (Browser use case) 6566 if (info.handleAllWebDataURI) { 6567 matchAllList.add(info); 6568 continue; 6569 } 6570 // Try to get the status from User settings first 6571 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6572 int status = (int)(packedStatus >> 32); 6573 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6574 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 6575 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6576 Slog.i(TAG, " + always: " + info.activityInfo.packageName 6577 + " : linkgen=" + linkGeneration); 6578 } 6579 // Use link-enabled generation as preferredOrder, i.e. 6580 // prefer newly-enabled over earlier-enabled. 6581 info.preferredOrder = linkGeneration; 6582 alwaysList.add(info); 6583 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6584 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6585 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 6586 } 6587 neverList.add(info); 6588 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6589 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6590 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 6591 } 6592 alwaysAskList.add(info); 6593 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 6594 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 6595 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6596 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 6597 } 6598 undefinedList.add(info); 6599 } 6600 } 6601 } 6602 6603 // We'll want to include browser possibilities in a few cases 6604 boolean includeBrowser = false; 6605 6606 // First try to add the "always" resolution(s) for the current user, if any 6607 if (alwaysList.size() > 0) { 6608 result.addAll(alwaysList); 6609 } else { 6610 // Add all undefined apps as we want them to appear in the disambiguation dialog. 6611 result.addAll(undefinedList); 6612 // Maybe add one for the other profile. 6613 if (xpDomainInfo != null && ( 6614 xpDomainInfo.bestDomainVerificationStatus 6615 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 6616 result.add(xpDomainInfo.resolveInfo); 6617 } 6618 includeBrowser = true; 6619 } 6620 6621 // The presence of any 'always ask' alternatives means we'll also offer browsers. 6622 // If there were 'always' entries their preferred order has been set, so we also 6623 // back that off to make the alternatives equivalent 6624 if (alwaysAskList.size() > 0) { 6625 for (ResolveInfo i : result) { 6626 i.preferredOrder = 0; 6627 } 6628 result.addAll(alwaysAskList); 6629 includeBrowser = true; 6630 } 6631 6632 if (includeBrowser) { 6633 // Also add browsers (all of them or only the default one) 6634 if (DEBUG_DOMAIN_VERIFICATION) { 6635 Slog.v(TAG, " ...including browsers in candidate set"); 6636 } 6637 if ((matchFlags & MATCH_ALL) != 0) { 6638 result.addAll(matchAllList); 6639 } else { 6640 // Browser/generic handling case. If there's a default browser, go straight 6641 // to that (but only if there is no other higher-priority match). 6642 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 6643 int maxMatchPrio = 0; 6644 ResolveInfo defaultBrowserMatch = null; 6645 final int numCandidates = matchAllList.size(); 6646 for (int n = 0; n < numCandidates; n++) { 6647 ResolveInfo info = matchAllList.get(n); 6648 // track the highest overall match priority... 6649 if (info.priority > maxMatchPrio) { 6650 maxMatchPrio = info.priority; 6651 } 6652 // ...and the highest-priority default browser match 6653 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 6654 if (defaultBrowserMatch == null 6655 || (defaultBrowserMatch.priority < info.priority)) { 6656 if (debug) { 6657 Slog.v(TAG, "Considering default browser match " + info); 6658 } 6659 defaultBrowserMatch = info; 6660 } 6661 } 6662 } 6663 if (defaultBrowserMatch != null 6664 && defaultBrowserMatch.priority >= maxMatchPrio 6665 && !TextUtils.isEmpty(defaultBrowserPackageName)) 6666 { 6667 if (debug) { 6668 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 6669 } 6670 result.add(defaultBrowserMatch); 6671 } else { 6672 result.addAll(matchAllList); 6673 } 6674 } 6675 6676 // If there is nothing selected, add all candidates and remove the ones that the user 6677 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 6678 if (result.size() == 0) { 6679 result.addAll(candidates); 6680 result.removeAll(neverList); 6681 } 6682 } 6683 } 6684 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6685 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 6686 result.size()); 6687 for (ResolveInfo info : result) { 6688 Slog.v(TAG, " + " + info.activityInfo); 6689 } 6690 } 6691 return result; 6692 } 6693 6694 // Returns a packed value as a long: 6695 // 6696 // high 'int'-sized word: link status: undefined/ask/never/always. 6697 // low 'int'-sized word: relative priority among 'always' results. 6698 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 6699 long result = ps.getDomainVerificationStatusForUser(userId); 6700 // if none available, get the master status 6701 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 6702 if (ps.getIntentFilterVerificationInfo() != null) { 6703 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 6704 } 6705 } 6706 return result; 6707 } 6708 6709 private ResolveInfo querySkipCurrentProfileIntents( 6710 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6711 int flags, int sourceUserId) { 6712 if (matchingFilters != null) { 6713 int size = matchingFilters.size(); 6714 for (int i = 0; i < size; i ++) { 6715 CrossProfileIntentFilter filter = matchingFilters.get(i); 6716 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 6717 // Checking if there are activities in the target user that can handle the 6718 // intent. 6719 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6720 resolvedType, flags, sourceUserId); 6721 if (resolveInfo != null) { 6722 return resolveInfo; 6723 } 6724 } 6725 } 6726 } 6727 return null; 6728 } 6729 6730 // Return matching ResolveInfo in target user if any. 6731 private ResolveInfo queryCrossProfileIntents( 6732 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6733 int flags, int sourceUserId, boolean matchInCurrentProfile) { 6734 if (matchingFilters != null) { 6735 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 6736 // match the same intent. For performance reasons, it is better not to 6737 // run queryIntent twice for the same userId 6738 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 6739 int size = matchingFilters.size(); 6740 for (int i = 0; i < size; i++) { 6741 CrossProfileIntentFilter filter = matchingFilters.get(i); 6742 int targetUserId = filter.getTargetUserId(); 6743 boolean skipCurrentProfile = 6744 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 6745 boolean skipCurrentProfileIfNoMatchFound = 6746 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 6747 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 6748 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 6749 // Checking if there are activities in the target user that can handle the 6750 // intent. 6751 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6752 resolvedType, flags, sourceUserId); 6753 if (resolveInfo != null) return resolveInfo; 6754 alreadyTriedUserIds.put(targetUserId, true); 6755 } 6756 } 6757 } 6758 return null; 6759 } 6760 6761 /** 6762 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 6763 * will forward the intent to the filter's target user. 6764 * Otherwise, returns null. 6765 */ 6766 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 6767 String resolvedType, int flags, int sourceUserId) { 6768 int targetUserId = filter.getTargetUserId(); 6769 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6770 resolvedType, flags, targetUserId); 6771 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 6772 // If all the matches in the target profile are suspended, return null. 6773 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 6774 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 6775 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 6776 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 6777 targetUserId); 6778 } 6779 } 6780 } 6781 return null; 6782 } 6783 6784 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 6785 int sourceUserId, int targetUserId) { 6786 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 6787 long ident = Binder.clearCallingIdentity(); 6788 boolean targetIsProfile; 6789 try { 6790 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 6791 } finally { 6792 Binder.restoreCallingIdentity(ident); 6793 } 6794 String className; 6795 if (targetIsProfile) { 6796 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 6797 } else { 6798 className = FORWARD_INTENT_TO_PARENT; 6799 } 6800 ComponentName forwardingActivityComponentName = new ComponentName( 6801 mAndroidApplication.packageName, className); 6802 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 6803 sourceUserId); 6804 if (!targetIsProfile) { 6805 forwardingActivityInfo.showUserIcon = targetUserId; 6806 forwardingResolveInfo.noResourceId = true; 6807 } 6808 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 6809 forwardingResolveInfo.priority = 0; 6810 forwardingResolveInfo.preferredOrder = 0; 6811 forwardingResolveInfo.match = 0; 6812 forwardingResolveInfo.isDefault = true; 6813 forwardingResolveInfo.filter = filter; 6814 forwardingResolveInfo.targetUserId = targetUserId; 6815 return forwardingResolveInfo; 6816 } 6817 6818 @Override 6819 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 6820 Intent[] specifics, String[] specificTypes, Intent intent, 6821 String resolvedType, int flags, int userId) { 6822 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 6823 specificTypes, intent, resolvedType, flags, userId)); 6824 } 6825 6826 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 6827 Intent[] specifics, String[] specificTypes, Intent intent, 6828 String resolvedType, int flags, int userId) { 6829 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6830 flags = updateFlagsForResolve(flags, userId, intent, false); 6831 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6832 false /* requireFullPermission */, false /* checkShell */, 6833 "query intent activity options"); 6834 final String resultsAction = intent.getAction(); 6835 6836 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 6837 | PackageManager.GET_RESOLVED_FILTER, userId); 6838 6839 if (DEBUG_INTENT_MATCHING) { 6840 Log.v(TAG, "Query " + intent + ": " + results); 6841 } 6842 6843 int specificsPos = 0; 6844 int N; 6845 6846 // todo: note that the algorithm used here is O(N^2). This 6847 // isn't a problem in our current environment, but if we start running 6848 // into situations where we have more than 5 or 10 matches then this 6849 // should probably be changed to something smarter... 6850 6851 // First we go through and resolve each of the specific items 6852 // that were supplied, taking care of removing any corresponding 6853 // duplicate items in the generic resolve list. 6854 if (specifics != null) { 6855 for (int i=0; i<specifics.length; i++) { 6856 final Intent sintent = specifics[i]; 6857 if (sintent == null) { 6858 continue; 6859 } 6860 6861 if (DEBUG_INTENT_MATCHING) { 6862 Log.v(TAG, "Specific #" + i + ": " + sintent); 6863 } 6864 6865 String action = sintent.getAction(); 6866 if (resultsAction != null && resultsAction.equals(action)) { 6867 // If this action was explicitly requested, then don't 6868 // remove things that have it. 6869 action = null; 6870 } 6871 6872 ResolveInfo ri = null; 6873 ActivityInfo ai = null; 6874 6875 ComponentName comp = sintent.getComponent(); 6876 if (comp == null) { 6877 ri = resolveIntent( 6878 sintent, 6879 specificTypes != null ? specificTypes[i] : null, 6880 flags, userId); 6881 if (ri == null) { 6882 continue; 6883 } 6884 if (ri == mResolveInfo) { 6885 // ACK! Must do something better with this. 6886 } 6887 ai = ri.activityInfo; 6888 comp = new ComponentName(ai.applicationInfo.packageName, 6889 ai.name); 6890 } else { 6891 ai = getActivityInfo(comp, flags, userId); 6892 if (ai == null) { 6893 continue; 6894 } 6895 } 6896 6897 // Look for any generic query activities that are duplicates 6898 // of this specific one, and remove them from the results. 6899 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6900 N = results.size(); 6901 int j; 6902 for (j=specificsPos; j<N; j++) { 6903 ResolveInfo sri = results.get(j); 6904 if ((sri.activityInfo.name.equals(comp.getClassName()) 6905 && sri.activityInfo.applicationInfo.packageName.equals( 6906 comp.getPackageName())) 6907 || (action != null && sri.filter.matchAction(action))) { 6908 results.remove(j); 6909 if (DEBUG_INTENT_MATCHING) Log.v( 6910 TAG, "Removing duplicate item from " + j 6911 + " due to specific " + specificsPos); 6912 if (ri == null) { 6913 ri = sri; 6914 } 6915 j--; 6916 N--; 6917 } 6918 } 6919 6920 // Add this specific item to its proper place. 6921 if (ri == null) { 6922 ri = new ResolveInfo(); 6923 ri.activityInfo = ai; 6924 } 6925 results.add(specificsPos, ri); 6926 ri.specificIndex = i; 6927 specificsPos++; 6928 } 6929 } 6930 6931 // Now we go through the remaining generic results and remove any 6932 // duplicate actions that are found here. 6933 N = results.size(); 6934 for (int i=specificsPos; i<N-1; i++) { 6935 final ResolveInfo rii = results.get(i); 6936 if (rii.filter == null) { 6937 continue; 6938 } 6939 6940 // Iterate over all of the actions of this result's intent 6941 // filter... typically this should be just one. 6942 final Iterator<String> it = rii.filter.actionsIterator(); 6943 if (it == null) { 6944 continue; 6945 } 6946 while (it.hasNext()) { 6947 final String action = it.next(); 6948 if (resultsAction != null && resultsAction.equals(action)) { 6949 // If this action was explicitly requested, then don't 6950 // remove things that have it. 6951 continue; 6952 } 6953 for (int j=i+1; j<N; j++) { 6954 final ResolveInfo rij = results.get(j); 6955 if (rij.filter != null && rij.filter.hasAction(action)) { 6956 results.remove(j); 6957 if (DEBUG_INTENT_MATCHING) Log.v( 6958 TAG, "Removing duplicate item from " + j 6959 + " due to action " + action + " at " + i); 6960 j--; 6961 N--; 6962 } 6963 } 6964 } 6965 6966 // If the caller didn't request filter information, drop it now 6967 // so we don't have to marshall/unmarshall it. 6968 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6969 rii.filter = null; 6970 } 6971 } 6972 6973 // Filter out the caller activity if so requested. 6974 if (caller != null) { 6975 N = results.size(); 6976 for (int i=0; i<N; i++) { 6977 ActivityInfo ainfo = results.get(i).activityInfo; 6978 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6979 && caller.getClassName().equals(ainfo.name)) { 6980 results.remove(i); 6981 break; 6982 } 6983 } 6984 } 6985 6986 // If the caller didn't request filter information, 6987 // drop them now so we don't have to 6988 // marshall/unmarshall it. 6989 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6990 N = results.size(); 6991 for (int i=0; i<N; i++) { 6992 results.get(i).filter = null; 6993 } 6994 } 6995 6996 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6997 return results; 6998 } 6999 7000 @Override 7001 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 7002 String resolvedType, int flags, int userId) { 7003 return new ParceledListSlice<>( 7004 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 7005 } 7006 7007 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 7008 String resolvedType, int flags, int userId) { 7009 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7010 flags = updateFlagsForResolve(flags, userId, intent, false); 7011 ComponentName comp = intent.getComponent(); 7012 if (comp == null) { 7013 if (intent.getSelector() != null) { 7014 intent = intent.getSelector(); 7015 comp = intent.getComponent(); 7016 } 7017 } 7018 if (comp != null) { 7019 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7020 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 7021 if (ai != null) { 7022 ResolveInfo ri = new ResolveInfo(); 7023 ri.activityInfo = ai; 7024 list.add(ri); 7025 } 7026 return list; 7027 } 7028 7029 // reader 7030 synchronized (mPackages) { 7031 String pkgName = intent.getPackage(); 7032 if (pkgName == null) { 7033 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 7034 } 7035 final PackageParser.Package pkg = mPackages.get(pkgName); 7036 if (pkg != null) { 7037 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 7038 userId); 7039 } 7040 return Collections.emptyList(); 7041 } 7042 } 7043 7044 @Override 7045 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 7046 if (!sUserManager.exists(userId)) return null; 7047 flags = updateFlagsForResolve(flags, userId, intent, false); 7048 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 7049 if (query != null) { 7050 if (query.size() >= 1) { 7051 // If there is more than one service with the same priority, 7052 // just arbitrarily pick the first one. 7053 return query.get(0); 7054 } 7055 } 7056 return null; 7057 } 7058 7059 @Override 7060 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 7061 String resolvedType, int flags, int userId) { 7062 return new ParceledListSlice<>( 7063 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 7064 } 7065 7066 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 7067 String resolvedType, int flags, int userId) { 7068 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7069 flags = updateFlagsForResolve(flags, userId, intent, false); 7070 ComponentName comp = intent.getComponent(); 7071 if (comp == null) { 7072 if (intent.getSelector() != null) { 7073 intent = intent.getSelector(); 7074 comp = intent.getComponent(); 7075 } 7076 } 7077 if (comp != null) { 7078 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7079 final ServiceInfo si = getServiceInfo(comp, flags, userId); 7080 if (si != null) { 7081 final ResolveInfo ri = new ResolveInfo(); 7082 ri.serviceInfo = si; 7083 list.add(ri); 7084 } 7085 return list; 7086 } 7087 7088 // reader 7089 synchronized (mPackages) { 7090 String pkgName = intent.getPackage(); 7091 if (pkgName == null) { 7092 return mServices.queryIntent(intent, resolvedType, flags, userId); 7093 } 7094 final PackageParser.Package pkg = mPackages.get(pkgName); 7095 if (pkg != null) { 7096 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 7097 userId); 7098 } 7099 return Collections.emptyList(); 7100 } 7101 } 7102 7103 @Override 7104 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 7105 String resolvedType, int flags, int userId) { 7106 return new ParceledListSlice<>( 7107 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 7108 } 7109 7110 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 7111 Intent intent, String resolvedType, int flags, int userId) { 7112 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7113 flags = updateFlagsForResolve(flags, userId, intent, false); 7114 ComponentName comp = intent.getComponent(); 7115 if (comp == null) { 7116 if (intent.getSelector() != null) { 7117 intent = intent.getSelector(); 7118 comp = intent.getComponent(); 7119 } 7120 } 7121 if (comp != null) { 7122 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7123 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 7124 if (pi != null) { 7125 final ResolveInfo ri = new ResolveInfo(); 7126 ri.providerInfo = pi; 7127 list.add(ri); 7128 } 7129 return list; 7130 } 7131 7132 // reader 7133 synchronized (mPackages) { 7134 String pkgName = intent.getPackage(); 7135 if (pkgName == null) { 7136 return mProviders.queryIntent(intent, resolvedType, flags, userId); 7137 } 7138 final PackageParser.Package pkg = mPackages.get(pkgName); 7139 if (pkg != null) { 7140 return mProviders.queryIntentForPackage( 7141 intent, resolvedType, flags, pkg.providers, userId); 7142 } 7143 return Collections.emptyList(); 7144 } 7145 } 7146 7147 @Override 7148 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 7149 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7150 flags = updateFlagsForPackage(flags, userId, null); 7151 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7152 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7153 true /* requireFullPermission */, false /* checkShell */, 7154 "get installed packages"); 7155 7156 // writer 7157 synchronized (mPackages) { 7158 ArrayList<PackageInfo> list; 7159 if (listUninstalled) { 7160 list = new ArrayList<>(mSettings.mPackages.size()); 7161 for (PackageSetting ps : mSettings.mPackages.values()) { 7162 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7163 continue; 7164 } 7165 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7166 if (pi != null) { 7167 list.add(pi); 7168 } 7169 } 7170 } else { 7171 list = new ArrayList<>(mPackages.size()); 7172 for (PackageParser.Package p : mPackages.values()) { 7173 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 7174 Binder.getCallingUid(), userId)) { 7175 continue; 7176 } 7177 final PackageInfo pi = generatePackageInfo((PackageSetting) 7178 p.mExtras, flags, userId); 7179 if (pi != null) { 7180 list.add(pi); 7181 } 7182 } 7183 } 7184 7185 return new ParceledListSlice<>(list); 7186 } 7187 } 7188 7189 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 7190 String[] permissions, boolean[] tmp, int flags, int userId) { 7191 int numMatch = 0; 7192 final PermissionsState permissionsState = ps.getPermissionsState(); 7193 for (int i=0; i<permissions.length; i++) { 7194 final String permission = permissions[i]; 7195 if (permissionsState.hasPermission(permission, userId)) { 7196 tmp[i] = true; 7197 numMatch++; 7198 } else { 7199 tmp[i] = false; 7200 } 7201 } 7202 if (numMatch == 0) { 7203 return; 7204 } 7205 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7206 7207 // The above might return null in cases of uninstalled apps or install-state 7208 // skew across users/profiles. 7209 if (pi != null) { 7210 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 7211 if (numMatch == permissions.length) { 7212 pi.requestedPermissions = permissions; 7213 } else { 7214 pi.requestedPermissions = new String[numMatch]; 7215 numMatch = 0; 7216 for (int i=0; i<permissions.length; i++) { 7217 if (tmp[i]) { 7218 pi.requestedPermissions[numMatch] = permissions[i]; 7219 numMatch++; 7220 } 7221 } 7222 } 7223 } 7224 list.add(pi); 7225 } 7226 } 7227 7228 @Override 7229 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 7230 String[] permissions, int flags, int userId) { 7231 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7232 flags = updateFlagsForPackage(flags, userId, permissions); 7233 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7234 true /* requireFullPermission */, false /* checkShell */, 7235 "get packages holding permissions"); 7236 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7237 7238 // writer 7239 synchronized (mPackages) { 7240 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 7241 boolean[] tmpBools = new boolean[permissions.length]; 7242 if (listUninstalled) { 7243 for (PackageSetting ps : mSettings.mPackages.values()) { 7244 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7245 userId); 7246 } 7247 } else { 7248 for (PackageParser.Package pkg : mPackages.values()) { 7249 PackageSetting ps = (PackageSetting)pkg.mExtras; 7250 if (ps != null) { 7251 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7252 userId); 7253 } 7254 } 7255 } 7256 7257 return new ParceledListSlice<PackageInfo>(list); 7258 } 7259 } 7260 7261 @Override 7262 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 7263 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7264 flags = updateFlagsForApplication(flags, userId, null); 7265 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7266 7267 // writer 7268 synchronized (mPackages) { 7269 ArrayList<ApplicationInfo> list; 7270 if (listUninstalled) { 7271 list = new ArrayList<>(mSettings.mPackages.size()); 7272 for (PackageSetting ps : mSettings.mPackages.values()) { 7273 ApplicationInfo ai; 7274 int effectiveFlags = flags; 7275 if (ps.isSystem()) { 7276 effectiveFlags |= PackageManager.MATCH_ANY_USER; 7277 } 7278 if (ps.pkg != null) { 7279 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7280 continue; 7281 } 7282 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 7283 ps.readUserState(userId), userId); 7284 if (ai != null) { 7285 rebaseEnabledOverlays(ai, userId); 7286 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 7287 } 7288 } else { 7289 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 7290 // and already converts to externally visible package name 7291 ai = generateApplicationInfoFromSettingsLPw(ps.name, 7292 Binder.getCallingUid(), effectiveFlags, userId); 7293 } 7294 if (ai != null) { 7295 list.add(ai); 7296 } 7297 } 7298 } else { 7299 list = new ArrayList<>(mPackages.size()); 7300 for (PackageParser.Package p : mPackages.values()) { 7301 if (p.mExtras != null) { 7302 PackageSetting ps = (PackageSetting) p.mExtras; 7303 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7304 continue; 7305 } 7306 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7307 ps.readUserState(userId), userId); 7308 if (ai != null) { 7309 rebaseEnabledOverlays(ai, userId); 7310 ai.packageName = resolveExternalPackageNameLPr(p); 7311 list.add(ai); 7312 } 7313 } 7314 } 7315 } 7316 7317 return new ParceledListSlice<>(list); 7318 } 7319 } 7320 7321 @Override 7322 public ParceledListSlice<InstantAppInfo> getInstantApps(int userId) { 7323 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7324 return null; 7325 } 7326 7327 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7328 "getEphemeralApplications"); 7329 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7330 true /* requireFullPermission */, false /* checkShell */, 7331 "getEphemeralApplications"); 7332 synchronized (mPackages) { 7333 List<InstantAppInfo> instantApps = mInstantAppRegistry 7334 .getInstantAppsLPr(userId); 7335 if (instantApps != null) { 7336 return new ParceledListSlice<>(instantApps); 7337 } 7338 } 7339 return null; 7340 } 7341 7342 @Override 7343 public boolean isInstantApp(String packageName, int userId) { 7344 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7345 true /* requireFullPermission */, false /* checkShell */, 7346 "isInstantApp"); 7347 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7348 return false; 7349 } 7350 7351 synchronized (mPackages) { 7352 final PackageSetting ps = mSettings.mPackages.get(packageName); 7353 final boolean returnAllowed = 7354 ps != null 7355 && (isCallerSameApp(packageName) 7356 || mContext.checkCallingOrSelfPermission( 7357 android.Manifest.permission.ACCESS_INSTANT_APPS) 7358 == PERMISSION_GRANTED 7359 || mInstantAppRegistry.isInstantAccessGranted( 7360 userId, UserHandle.getAppId(Binder.getCallingUid()), ps.appId)); 7361 if (returnAllowed) { 7362 return ps.getInstantApp(userId); 7363 } 7364 } 7365 return false; 7366 } 7367 7368 @Override 7369 public byte[] getInstantAppCookie(String packageName, int userId) { 7370 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7371 return null; 7372 } 7373 7374 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7375 true /* requireFullPermission */, false /* checkShell */, 7376 "getInstantAppCookie"); 7377 if (!isCallerSameApp(packageName)) { 7378 return null; 7379 } 7380 synchronized (mPackages) { 7381 return mInstantAppRegistry.getInstantAppCookieLPw( 7382 packageName, userId); 7383 } 7384 } 7385 7386 @Override 7387 public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) { 7388 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7389 return true; 7390 } 7391 7392 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7393 true /* requireFullPermission */, true /* checkShell */, 7394 "setInstantAppCookie"); 7395 if (!isCallerSameApp(packageName)) { 7396 return false; 7397 } 7398 synchronized (mPackages) { 7399 return mInstantAppRegistry.setInstantAppCookieLPw( 7400 packageName, cookie, userId); 7401 } 7402 } 7403 7404 @Override 7405 public Bitmap getInstantAppIcon(String packageName, int userId) { 7406 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7407 return null; 7408 } 7409 7410 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7411 "getInstantAppIcon"); 7412 7413 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7414 true /* requireFullPermission */, false /* checkShell */, 7415 "getInstantAppIcon"); 7416 7417 synchronized (mPackages) { 7418 return mInstantAppRegistry.getInstantAppIconLPw( 7419 packageName, userId); 7420 } 7421 } 7422 7423 private boolean isCallerSameApp(String packageName) { 7424 PackageParser.Package pkg = mPackages.get(packageName); 7425 return pkg != null 7426 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 7427 } 7428 7429 @Override 7430 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 7431 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 7432 } 7433 7434 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 7435 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 7436 7437 // reader 7438 synchronized (mPackages) { 7439 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 7440 final int userId = UserHandle.getCallingUserId(); 7441 while (i.hasNext()) { 7442 final PackageParser.Package p = i.next(); 7443 if (p.applicationInfo == null) continue; 7444 7445 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 7446 && !p.applicationInfo.isDirectBootAware(); 7447 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 7448 && p.applicationInfo.isDirectBootAware(); 7449 7450 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 7451 && (!mSafeMode || isSystemApp(p)) 7452 && (matchesUnaware || matchesAware)) { 7453 PackageSetting ps = mSettings.mPackages.get(p.packageName); 7454 if (ps != null) { 7455 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7456 ps.readUserState(userId), userId); 7457 if (ai != null) { 7458 rebaseEnabledOverlays(ai, userId); 7459 finalList.add(ai); 7460 } 7461 } 7462 } 7463 } 7464 } 7465 7466 return finalList; 7467 } 7468 7469 @Override 7470 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 7471 if (!sUserManager.exists(userId)) return null; 7472 flags = updateFlagsForComponent(flags, userId, name); 7473 // reader 7474 synchronized (mPackages) { 7475 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 7476 PackageSetting ps = provider != null 7477 ? mSettings.mPackages.get(provider.owner.packageName) 7478 : null; 7479 return ps != null 7480 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 7481 ? PackageParser.generateProviderInfo(provider, flags, 7482 ps.readUserState(userId), userId) 7483 : null; 7484 } 7485 } 7486 7487 /** 7488 * @deprecated 7489 */ 7490 @Deprecated 7491 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 7492 // reader 7493 synchronized (mPackages) { 7494 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 7495 .entrySet().iterator(); 7496 final int userId = UserHandle.getCallingUserId(); 7497 while (i.hasNext()) { 7498 Map.Entry<String, PackageParser.Provider> entry = i.next(); 7499 PackageParser.Provider p = entry.getValue(); 7500 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7501 7502 if (ps != null && p.syncable 7503 && (!mSafeMode || (p.info.applicationInfo.flags 7504 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 7505 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 7506 ps.readUserState(userId), userId); 7507 if (info != null) { 7508 outNames.add(entry.getKey()); 7509 outInfo.add(info); 7510 } 7511 } 7512 } 7513 } 7514 } 7515 7516 @Override 7517 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 7518 int uid, int flags, String metaDataKey) { 7519 final int userId = processName != null ? UserHandle.getUserId(uid) 7520 : UserHandle.getCallingUserId(); 7521 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7522 flags = updateFlagsForComponent(flags, userId, processName); 7523 7524 ArrayList<ProviderInfo> finalList = null; 7525 // reader 7526 synchronized (mPackages) { 7527 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 7528 while (i.hasNext()) { 7529 final PackageParser.Provider p = i.next(); 7530 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7531 if (ps != null && p.info.authority != null 7532 && (processName == null 7533 || (p.info.processName.equals(processName) 7534 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 7535 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 7536 7537 // See PM.queryContentProviders()'s javadoc for why we have the metaData 7538 // parameter. 7539 if (metaDataKey != null 7540 && (p.metaData == null || !p.metaData.containsKey(metaDataKey))) { 7541 continue; 7542 } 7543 7544 if (finalList == null) { 7545 finalList = new ArrayList<ProviderInfo>(3); 7546 } 7547 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 7548 ps.readUserState(userId), userId); 7549 if (info != null) { 7550 finalList.add(info); 7551 } 7552 } 7553 } 7554 } 7555 7556 if (finalList != null) { 7557 Collections.sort(finalList, mProviderInitOrderSorter); 7558 return new ParceledListSlice<ProviderInfo>(finalList); 7559 } 7560 7561 return ParceledListSlice.emptyList(); 7562 } 7563 7564 @Override 7565 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 7566 // reader 7567 synchronized (mPackages) { 7568 final PackageParser.Instrumentation i = mInstrumentation.get(name); 7569 return PackageParser.generateInstrumentationInfo(i, flags); 7570 } 7571 } 7572 7573 @Override 7574 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 7575 String targetPackage, int flags) { 7576 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 7577 } 7578 7579 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 7580 int flags) { 7581 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 7582 7583 // reader 7584 synchronized (mPackages) { 7585 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 7586 while (i.hasNext()) { 7587 final PackageParser.Instrumentation p = i.next(); 7588 if (targetPackage == null 7589 || targetPackage.equals(p.info.targetPackage)) { 7590 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 7591 flags); 7592 if (ii != null) { 7593 finalList.add(ii); 7594 } 7595 } 7596 } 7597 } 7598 7599 return finalList; 7600 } 7601 7602 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 7603 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 7604 try { 7605 scanDirLI(dir, parseFlags, scanFlags, currentTime); 7606 } finally { 7607 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7608 } 7609 } 7610 7611 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 7612 final File[] files = dir.listFiles(); 7613 if (ArrayUtils.isEmpty(files)) { 7614 Log.d(TAG, "No files in app dir " + dir); 7615 return; 7616 } 7617 7618 if (DEBUG_PACKAGE_SCANNING) { 7619 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 7620 + " flags=0x" + Integer.toHexString(parseFlags)); 7621 } 7622 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 7623 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir, mPackageParserCallback); 7624 7625 // Submit files for parsing in parallel 7626 int fileCount = 0; 7627 for (File file : files) { 7628 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 7629 && !PackageInstallerService.isStageName(file.getName()); 7630 if (!isPackage) { 7631 // Ignore entries which are not packages 7632 continue; 7633 } 7634 parallelPackageParser.submit(file, parseFlags); 7635 fileCount++; 7636 } 7637 7638 // Process results one by one 7639 for (; fileCount > 0; fileCount--) { 7640 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 7641 Throwable throwable = parseResult.throwable; 7642 int errorCode = PackageManager.INSTALL_SUCCEEDED; 7643 7644 if (throwable == null) { 7645 // Static shared libraries have synthetic package names 7646 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 7647 renameStaticSharedLibraryPackage(parseResult.pkg); 7648 } 7649 try { 7650 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 7651 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 7652 currentTime, null); 7653 } 7654 } catch (PackageManagerException e) { 7655 errorCode = e.error; 7656 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 7657 } 7658 } else if (throwable instanceof PackageParser.PackageParserException) { 7659 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 7660 throwable; 7661 errorCode = e.error; 7662 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 7663 } else { 7664 throw new IllegalStateException("Unexpected exception occurred while parsing " 7665 + parseResult.scanFile, throwable); 7666 } 7667 7668 // Delete invalid userdata apps 7669 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 7670 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 7671 logCriticalInfo(Log.WARN, 7672 "Deleting invalid package at " + parseResult.scanFile); 7673 removeCodePathLI(parseResult.scanFile); 7674 } 7675 } 7676 parallelPackageParser.close(); 7677 } 7678 7679 private static File getSettingsProblemFile() { 7680 File dataDir = Environment.getDataDirectory(); 7681 File systemDir = new File(dataDir, "system"); 7682 File fname = new File(systemDir, "uiderrors.txt"); 7683 return fname; 7684 } 7685 7686 static void reportSettingsProblem(int priority, String msg) { 7687 logCriticalInfo(priority, msg); 7688 } 7689 7690 public static void logCriticalInfo(int priority, String msg) { 7691 Slog.println(priority, TAG, msg); 7692 EventLogTags.writePmCriticalInfo(msg); 7693 try { 7694 File fname = getSettingsProblemFile(); 7695 FileOutputStream out = new FileOutputStream(fname, true); 7696 PrintWriter pw = new FastPrintWriter(out); 7697 SimpleDateFormat formatter = new SimpleDateFormat(); 7698 String dateString = formatter.format(new Date(System.currentTimeMillis())); 7699 pw.println(dateString + ": " + msg); 7700 pw.close(); 7701 FileUtils.setPermissions( 7702 fname.toString(), 7703 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 7704 -1, -1); 7705 } catch (java.io.IOException e) { 7706 } 7707 } 7708 7709 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 7710 if (srcFile.isDirectory()) { 7711 final File baseFile = new File(pkg.baseCodePath); 7712 long maxModifiedTime = baseFile.lastModified(); 7713 if (pkg.splitCodePaths != null) { 7714 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 7715 final File splitFile = new File(pkg.splitCodePaths[i]); 7716 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 7717 } 7718 } 7719 return maxModifiedTime; 7720 } 7721 return srcFile.lastModified(); 7722 } 7723 7724 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 7725 final int policyFlags) throws PackageManagerException { 7726 // When upgrading from pre-N MR1, verify the package time stamp using the package 7727 // directory and not the APK file. 7728 final long lastModifiedTime = mIsPreNMR1Upgrade 7729 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 7730 if (ps != null 7731 && ps.codePath.equals(srcFile) 7732 && ps.timeStamp == lastModifiedTime 7733 && !isCompatSignatureUpdateNeeded(pkg) 7734 && !isRecoverSignatureUpdateNeeded(pkg)) { 7735 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 7736 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7737 ArraySet<PublicKey> signingKs; 7738 synchronized (mPackages) { 7739 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 7740 } 7741 if (ps.signatures.mSignatures != null 7742 && ps.signatures.mSignatures.length != 0 7743 && signingKs != null) { 7744 // Optimization: reuse the existing cached certificates 7745 // if the package appears to be unchanged. 7746 pkg.mSignatures = ps.signatures.mSignatures; 7747 pkg.mSigningKeys = signingKs; 7748 return; 7749 } 7750 7751 Slog.w(TAG, "PackageSetting for " + ps.name 7752 + " is missing signatures. Collecting certs again to recover them."); 7753 } else { 7754 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 7755 } 7756 7757 try { 7758 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 7759 PackageParser.collectCertificates(pkg, policyFlags); 7760 } catch (PackageParserException e) { 7761 throw PackageManagerException.from(e); 7762 } finally { 7763 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7764 } 7765 } 7766 7767 /** 7768 * Traces a package scan. 7769 * @see #scanPackageLI(File, int, int, long, UserHandle) 7770 */ 7771 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 7772 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7773 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 7774 try { 7775 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 7776 } finally { 7777 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7778 } 7779 } 7780 7781 /** 7782 * Scans a package and returns the newly parsed package. 7783 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 7784 */ 7785 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 7786 long currentTime, UserHandle user) throws PackageManagerException { 7787 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 7788 PackageParser pp = new PackageParser(); 7789 pp.setSeparateProcesses(mSeparateProcesses); 7790 pp.setOnlyCoreApps(mOnlyCore); 7791 pp.setDisplayMetrics(mMetrics); 7792 pp.setCallback(mPackageParserCallback); 7793 7794 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 7795 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 7796 } 7797 7798 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 7799 final PackageParser.Package pkg; 7800 try { 7801 pkg = pp.parsePackage(scanFile, parseFlags); 7802 } catch (PackageParserException e) { 7803 throw PackageManagerException.from(e); 7804 } finally { 7805 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7806 } 7807 7808 // Static shared libraries have synthetic package names 7809 if (pkg.applicationInfo.isStaticSharedLibrary()) { 7810 renameStaticSharedLibraryPackage(pkg); 7811 } 7812 7813 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 7814 } 7815 7816 /** 7817 * Scans a package and returns the newly parsed package. 7818 * @throws PackageManagerException on a parse error. 7819 */ 7820 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 7821 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 7822 throws PackageManagerException { 7823 // If the package has children and this is the first dive in the function 7824 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 7825 // packages (parent and children) would be successfully scanned before the 7826 // actual scan since scanning mutates internal state and we want to atomically 7827 // install the package and its children. 7828 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7829 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7830 scanFlags |= SCAN_CHECK_ONLY; 7831 } 7832 } else { 7833 scanFlags &= ~SCAN_CHECK_ONLY; 7834 } 7835 7836 // Scan the parent 7837 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 7838 scanFlags, currentTime, user); 7839 7840 // Scan the children 7841 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7842 for (int i = 0; i < childCount; i++) { 7843 PackageParser.Package childPackage = pkg.childPackages.get(i); 7844 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 7845 currentTime, user); 7846 } 7847 7848 7849 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7850 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 7851 } 7852 7853 return scannedPkg; 7854 } 7855 7856 /** 7857 * Scans a package and returns the newly parsed package. 7858 * @throws PackageManagerException on a parse error. 7859 */ 7860 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 7861 int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 7862 throws PackageManagerException { 7863 PackageSetting ps = null; 7864 PackageSetting updatedPkg; 7865 // reader 7866 synchronized (mPackages) { 7867 // Look to see if we already know about this package. 7868 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 7869 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 7870 // This package has been renamed to its original name. Let's 7871 // use that. 7872 ps = mSettings.getPackageLPr(oldName); 7873 } 7874 // If there was no original package, see one for the real package name. 7875 if (ps == null) { 7876 ps = mSettings.getPackageLPr(pkg.packageName); 7877 } 7878 // Check to see if this package could be hiding/updating a system 7879 // package. Must look for it either under the original or real 7880 // package name depending on our state. 7881 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 7882 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 7883 7884 // If this is a package we don't know about on the system partition, we 7885 // may need to remove disabled child packages on the system partition 7886 // or may need to not add child packages if the parent apk is updated 7887 // on the data partition and no longer defines this child package. 7888 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7889 // If this is a parent package for an updated system app and this system 7890 // app got an OTA update which no longer defines some of the child packages 7891 // we have to prune them from the disabled system packages. 7892 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 7893 if (disabledPs != null) { 7894 final int scannedChildCount = (pkg.childPackages != null) 7895 ? pkg.childPackages.size() : 0; 7896 final int disabledChildCount = disabledPs.childPackageNames != null 7897 ? disabledPs.childPackageNames.size() : 0; 7898 for (int i = 0; i < disabledChildCount; i++) { 7899 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 7900 boolean disabledPackageAvailable = false; 7901 for (int j = 0; j < scannedChildCount; j++) { 7902 PackageParser.Package childPkg = pkg.childPackages.get(j); 7903 if (childPkg.packageName.equals(disabledChildPackageName)) { 7904 disabledPackageAvailable = true; 7905 break; 7906 } 7907 } 7908 if (!disabledPackageAvailable) { 7909 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 7910 } 7911 } 7912 } 7913 } 7914 } 7915 7916 boolean updatedPkgBetter = false; 7917 // First check if this is a system package that may involve an update 7918 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7919 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7920 // it needs to drop FLAG_PRIVILEGED. 7921 if (locationIsPrivileged(scanFile)) { 7922 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7923 } else { 7924 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7925 } 7926 7927 if (ps != null && !ps.codePath.equals(scanFile)) { 7928 // The path has changed from what was last scanned... check the 7929 // version of the new path against what we have stored to determine 7930 // what to do. 7931 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7932 if (pkg.mVersionCode <= ps.versionCode) { 7933 // The system package has been updated and the code path does not match 7934 // Ignore entry. Skip it. 7935 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7936 + " ignored: updated version " + ps.versionCode 7937 + " better than this " + pkg.mVersionCode); 7938 if (!updatedPkg.codePath.equals(scanFile)) { 7939 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7940 + ps.name + " changing from " + updatedPkg.codePathString 7941 + " to " + scanFile); 7942 updatedPkg.codePath = scanFile; 7943 updatedPkg.codePathString = scanFile.toString(); 7944 updatedPkg.resourcePath = scanFile; 7945 updatedPkg.resourcePathString = scanFile.toString(); 7946 } 7947 updatedPkg.pkg = pkg; 7948 updatedPkg.versionCode = pkg.mVersionCode; 7949 7950 // Update the disabled system child packages to point to the package too. 7951 final int childCount = updatedPkg.childPackageNames != null 7952 ? updatedPkg.childPackageNames.size() : 0; 7953 for (int i = 0; i < childCount; i++) { 7954 String childPackageName = updatedPkg.childPackageNames.get(i); 7955 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7956 childPackageName); 7957 if (updatedChildPkg != null) { 7958 updatedChildPkg.pkg = pkg; 7959 updatedChildPkg.versionCode = pkg.mVersionCode; 7960 } 7961 } 7962 7963 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7964 + scanFile + " ignored: updated version " + ps.versionCode 7965 + " better than this " + pkg.mVersionCode); 7966 } else { 7967 // The current app on the system partition is better than 7968 // what we have updated to on the data partition; switch 7969 // back to the system partition version. 7970 // At this point, its safely assumed that package installation for 7971 // apps in system partition will go through. If not there won't be a working 7972 // version of the app 7973 // writer 7974 synchronized (mPackages) { 7975 // Just remove the loaded entries from package lists. 7976 mPackages.remove(ps.name); 7977 } 7978 7979 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7980 + " reverting from " + ps.codePathString 7981 + ": new version " + pkg.mVersionCode 7982 + " better than installed " + ps.versionCode); 7983 7984 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7985 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7986 synchronized (mInstallLock) { 7987 args.cleanUpResourcesLI(); 7988 } 7989 synchronized (mPackages) { 7990 mSettings.enableSystemPackageLPw(ps.name); 7991 } 7992 updatedPkgBetter = true; 7993 } 7994 } 7995 } 7996 7997 if (updatedPkg != null) { 7998 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7999 // initially 8000 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 8001 8002 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 8003 // flag set initially 8004 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 8005 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 8006 } 8007 } 8008 8009 // Verify certificates against what was last scanned 8010 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 8011 8012 /* 8013 * A new system app appeared, but we already had a non-system one of the 8014 * same name installed earlier. 8015 */ 8016 boolean shouldHideSystemApp = false; 8017 if (updatedPkg == null && ps != null 8018 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 8019 /* 8020 * Check to make sure the signatures match first. If they don't, 8021 * wipe the installed application and its data. 8022 */ 8023 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 8024 != PackageManager.SIGNATURE_MATCH) { 8025 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 8026 + " signatures don't match existing userdata copy; removing"); 8027 try (PackageFreezer freezer = freezePackage(pkg.packageName, 8028 "scanPackageInternalLI")) { 8029 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 8030 } 8031 ps = null; 8032 } else { 8033 /* 8034 * If the newly-added system app is an older version than the 8035 * already installed version, hide it. It will be scanned later 8036 * and re-added like an update. 8037 */ 8038 if (pkg.mVersionCode <= ps.versionCode) { 8039 shouldHideSystemApp = true; 8040 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 8041 + " but new version " + pkg.mVersionCode + " better than installed " 8042 + ps.versionCode + "; hiding system"); 8043 } else { 8044 /* 8045 * The newly found system app is a newer version that the 8046 * one previously installed. Simply remove the 8047 * already-installed application and replace it with our own 8048 * while keeping the application data. 8049 */ 8050 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 8051 + " reverting from " + ps.codePathString + ": new version " 8052 + pkg.mVersionCode + " better than installed " + ps.versionCode); 8053 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 8054 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 8055 synchronized (mInstallLock) { 8056 args.cleanUpResourcesLI(); 8057 } 8058 } 8059 } 8060 } 8061 8062 // The apk is forward locked (not public) if its code and resources 8063 // are kept in different files. (except for app in either system or 8064 // vendor path). 8065 // TODO grab this value from PackageSettings 8066 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8067 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 8068 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 8069 } 8070 } 8071 8072 // TODO: extend to support forward-locked splits 8073 String resourcePath = null; 8074 String baseResourcePath = null; 8075 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 8076 if (ps != null && ps.resourcePathString != null) { 8077 resourcePath = ps.resourcePathString; 8078 baseResourcePath = ps.resourcePathString; 8079 } else { 8080 // Should not happen at all. Just log an error. 8081 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 8082 } 8083 } else { 8084 resourcePath = pkg.codePath; 8085 baseResourcePath = pkg.baseCodePath; 8086 } 8087 8088 // Set application objects path explicitly. 8089 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 8090 pkg.setApplicationInfoCodePath(pkg.codePath); 8091 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 8092 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 8093 pkg.setApplicationInfoResourcePath(resourcePath); 8094 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 8095 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 8096 8097 final int userId = ((user == null) ? 0 : user.getIdentifier()); 8098 if (ps != null && ps.getInstantApp(userId)) { 8099 scanFlags |= SCAN_AS_INSTANT_APP; 8100 } 8101 8102 // Note that we invoke the following method only if we are about to unpack an application 8103 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 8104 | SCAN_UPDATE_SIGNATURE, currentTime, user); 8105 8106 /* 8107 * If the system app should be overridden by a previously installed 8108 * data, hide the system app now and let the /data/app scan pick it up 8109 * again. 8110 */ 8111 if (shouldHideSystemApp) { 8112 synchronized (mPackages) { 8113 mSettings.disableSystemPackageLPw(pkg.packageName, true); 8114 } 8115 } 8116 8117 return scannedPkg; 8118 } 8119 8120 private void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 8121 // Derive the new package synthetic package name 8122 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 8123 + pkg.staticSharedLibVersion); 8124 } 8125 8126 private static String fixProcessName(String defProcessName, 8127 String processName) { 8128 if (processName == null) { 8129 return defProcessName; 8130 } 8131 return processName; 8132 } 8133 8134 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 8135 throws PackageManagerException { 8136 if (pkgSetting.signatures.mSignatures != null) { 8137 // Already existing package. Make sure signatures match 8138 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 8139 == PackageManager.SIGNATURE_MATCH; 8140 if (!match) { 8141 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 8142 == PackageManager.SIGNATURE_MATCH; 8143 } 8144 if (!match) { 8145 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 8146 == PackageManager.SIGNATURE_MATCH; 8147 } 8148 if (!match) { 8149 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 8150 + pkg.packageName + " signatures do not match the " 8151 + "previously installed version; ignoring!"); 8152 } 8153 } 8154 8155 // Check for shared user signatures 8156 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 8157 // Already existing package. Make sure signatures match 8158 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8159 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 8160 if (!match) { 8161 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 8162 == PackageManager.SIGNATURE_MATCH; 8163 } 8164 if (!match) { 8165 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 8166 == PackageManager.SIGNATURE_MATCH; 8167 } 8168 if (!match) { 8169 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 8170 "Package " + pkg.packageName 8171 + " has no signatures that match those in shared user " 8172 + pkgSetting.sharedUser.name + "; ignoring!"); 8173 } 8174 } 8175 } 8176 8177 /** 8178 * Enforces that only the system UID or root's UID can call a method exposed 8179 * via Binder. 8180 * 8181 * @param message used as message if SecurityException is thrown 8182 * @throws SecurityException if the caller is not system or root 8183 */ 8184 private static final void enforceSystemOrRoot(String message) { 8185 final int uid = Binder.getCallingUid(); 8186 if (uid != Process.SYSTEM_UID && uid != 0) { 8187 throw new SecurityException(message); 8188 } 8189 } 8190 8191 @Override 8192 public void performFstrimIfNeeded() { 8193 enforceSystemOrRoot("Only the system can request fstrim"); 8194 8195 // Before everything else, see whether we need to fstrim. 8196 try { 8197 IStorageManager sm = PackageHelper.getStorageManager(); 8198 if (sm != null) { 8199 boolean doTrim = false; 8200 final long interval = android.provider.Settings.Global.getLong( 8201 mContext.getContentResolver(), 8202 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 8203 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 8204 if (interval > 0) { 8205 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 8206 if (timeSinceLast > interval) { 8207 doTrim = true; 8208 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 8209 + "; running immediately"); 8210 } 8211 } 8212 if (doTrim) { 8213 final boolean dexOptDialogShown; 8214 synchronized (mPackages) { 8215 dexOptDialogShown = mDexOptDialogShown; 8216 } 8217 if (!isFirstBoot() && dexOptDialogShown) { 8218 try { 8219 ActivityManager.getService().showBootMessage( 8220 mContext.getResources().getString( 8221 R.string.android_upgrading_fstrim), true); 8222 } catch (RemoteException e) { 8223 } 8224 } 8225 sm.runMaintenance(); 8226 } 8227 } else { 8228 Slog.e(TAG, "storageManager service unavailable!"); 8229 } 8230 } catch (RemoteException e) { 8231 // Can't happen; StorageManagerService is local 8232 } 8233 } 8234 8235 @Override 8236 public void updatePackagesIfNeeded() { 8237 enforceSystemOrRoot("Only the system can request package update"); 8238 8239 // We need to re-extract after an OTA. 8240 boolean causeUpgrade = isUpgrade(); 8241 8242 // First boot or factory reset. 8243 // Note: we also handle devices that are upgrading to N right now as if it is their 8244 // first boot, as they do not have profile data. 8245 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 8246 8247 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 8248 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 8249 8250 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 8251 return; 8252 } 8253 8254 List<PackageParser.Package> pkgs; 8255 synchronized (mPackages) { 8256 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 8257 } 8258 8259 final long startTime = System.nanoTime(); 8260 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 8261 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 8262 8263 final int elapsedTimeSeconds = 8264 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 8265 8266 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 8267 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 8268 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 8269 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 8270 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 8271 } 8272 8273 /** 8274 * Performs dexopt on the set of packages in {@code packages} and returns an int array 8275 * containing statistics about the invocation. The array consists of three elements, 8276 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 8277 * and {@code numberOfPackagesFailed}. 8278 */ 8279 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 8280 String compilerFilter) { 8281 8282 int numberOfPackagesVisited = 0; 8283 int numberOfPackagesOptimized = 0; 8284 int numberOfPackagesSkipped = 0; 8285 int numberOfPackagesFailed = 0; 8286 final int numberOfPackagesToDexopt = pkgs.size(); 8287 8288 for (PackageParser.Package pkg : pkgs) { 8289 numberOfPackagesVisited++; 8290 8291 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 8292 if (DEBUG_DEXOPT) { 8293 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 8294 } 8295 numberOfPackagesSkipped++; 8296 continue; 8297 } 8298 8299 if (DEBUG_DEXOPT) { 8300 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 8301 numberOfPackagesToDexopt + ": " + pkg.packageName); 8302 } 8303 8304 if (showDialog) { 8305 try { 8306 ActivityManager.getService().showBootMessage( 8307 mContext.getResources().getString(R.string.android_upgrading_apk, 8308 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 8309 } catch (RemoteException e) { 8310 } 8311 synchronized (mPackages) { 8312 mDexOptDialogShown = true; 8313 } 8314 } 8315 8316 // If the OTA updates a system app which was previously preopted to a non-preopted state 8317 // the app might end up being verified at runtime. That's because by default the apps 8318 // are verify-profile but for preopted apps there's no profile. 8319 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 8320 // that before the OTA the app was preopted) the app gets compiled with a non-profile 8321 // filter (by default interpret-only). 8322 // Note that at this stage unused apps are already filtered. 8323 if (isSystemApp(pkg) && 8324 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 8325 !Environment.getReferenceProfile(pkg.packageName).exists()) { 8326 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 8327 } 8328 8329 // checkProfiles is false to avoid merging profiles during boot which 8330 // might interfere with background compilation (b/28612421). 8331 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 8332 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 8333 // trade-off worth doing to save boot time work. 8334 int dexOptStatus = performDexOptTraced(pkg.packageName, 8335 false /* checkProfiles */, 8336 compilerFilter, 8337 false /* force */); 8338 switch (dexOptStatus) { 8339 case PackageDexOptimizer.DEX_OPT_PERFORMED: 8340 numberOfPackagesOptimized++; 8341 break; 8342 case PackageDexOptimizer.DEX_OPT_SKIPPED: 8343 numberOfPackagesSkipped++; 8344 break; 8345 case PackageDexOptimizer.DEX_OPT_FAILED: 8346 numberOfPackagesFailed++; 8347 break; 8348 default: 8349 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 8350 break; 8351 } 8352 } 8353 8354 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 8355 numberOfPackagesFailed }; 8356 } 8357 8358 @Override 8359 public void notifyPackageUse(String packageName, int reason) { 8360 synchronized (mPackages) { 8361 PackageParser.Package p = mPackages.get(packageName); 8362 if (p == null) { 8363 return; 8364 } 8365 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 8366 } 8367 } 8368 8369 @Override 8370 public void notifyDexLoad(String loadingPackageName, List<String> dexPaths, String loaderIsa) { 8371 int userId = UserHandle.getCallingUserId(); 8372 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 8373 if (ai == null) { 8374 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 8375 + loadingPackageName + ", user=" + userId); 8376 return; 8377 } 8378 mDexManager.notifyDexLoad(ai, dexPaths, loaderIsa, userId); 8379 } 8380 8381 // TODO: this is not used nor needed. Delete it. 8382 @Override 8383 public boolean performDexOptIfNeeded(String packageName) { 8384 int dexOptStatus = performDexOptTraced(packageName, 8385 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 8386 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8387 } 8388 8389 @Override 8390 public boolean performDexOpt(String packageName, 8391 boolean checkProfiles, int compileReason, boolean force) { 8392 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8393 getCompilerFilterForReason(compileReason), force); 8394 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8395 } 8396 8397 @Override 8398 public boolean performDexOptMode(String packageName, 8399 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8400 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8401 targetCompilerFilter, force); 8402 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8403 } 8404 8405 private int performDexOptTraced(String packageName, 8406 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8407 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8408 try { 8409 return performDexOptInternal(packageName, checkProfiles, 8410 targetCompilerFilter, force); 8411 } finally { 8412 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8413 } 8414 } 8415 8416 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 8417 // if the package can now be considered up to date for the given filter. 8418 private int performDexOptInternal(String packageName, 8419 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8420 PackageParser.Package p; 8421 synchronized (mPackages) { 8422 p = mPackages.get(packageName); 8423 if (p == null) { 8424 // Package could not be found. Report failure. 8425 return PackageDexOptimizer.DEX_OPT_FAILED; 8426 } 8427 mPackageUsage.maybeWriteAsync(mPackages); 8428 mCompilerStats.maybeWriteAsync(); 8429 } 8430 long callingId = Binder.clearCallingIdentity(); 8431 try { 8432 synchronized (mInstallLock) { 8433 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 8434 targetCompilerFilter, force); 8435 } 8436 } finally { 8437 Binder.restoreCallingIdentity(callingId); 8438 } 8439 } 8440 8441 public ArraySet<String> getOptimizablePackages() { 8442 ArraySet<String> pkgs = new ArraySet<String>(); 8443 synchronized (mPackages) { 8444 for (PackageParser.Package p : mPackages.values()) { 8445 if (PackageDexOptimizer.canOptimizePackage(p)) { 8446 pkgs.add(p.packageName); 8447 } 8448 } 8449 } 8450 return pkgs; 8451 } 8452 8453 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 8454 boolean checkProfiles, String targetCompilerFilter, 8455 boolean force) { 8456 // Select the dex optimizer based on the force parameter. 8457 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 8458 // allocate an object here. 8459 PackageDexOptimizer pdo = force 8460 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 8461 : mPackageDexOptimizer; 8462 8463 // Optimize all dependencies first. Note: we ignore the return value and march on 8464 // on errors. 8465 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 8466 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 8467 if (!deps.isEmpty()) { 8468 for (PackageParser.Package depPackage : deps) { 8469 // TODO: Analyze and investigate if we (should) profile libraries. 8470 // Currently this will do a full compilation of the library by default. 8471 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 8472 false /* checkProfiles */, 8473 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 8474 getOrCreateCompilerPackageStats(depPackage), 8475 mDexManager.isUsedByOtherApps(p.packageName)); 8476 } 8477 } 8478 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 8479 targetCompilerFilter, getOrCreateCompilerPackageStats(p), 8480 mDexManager.isUsedByOtherApps(p.packageName)); 8481 } 8482 8483 // Performs dexopt on the used secondary dex files belonging to the given package. 8484 // Returns true if all dex files were process successfully (which could mean either dexopt or 8485 // skip). Returns false if any of the files caused errors. 8486 @Override 8487 public boolean performDexOptSecondary(String packageName, String compilerFilter, 8488 boolean force) { 8489 return mDexManager.dexoptSecondaryDex(packageName, compilerFilter, force); 8490 } 8491 8492 public boolean performDexOptSecondary(String packageName, int compileReason, 8493 boolean force) { 8494 return mDexManager.dexoptSecondaryDex(packageName, compileReason, force); 8495 } 8496 8497 /** 8498 * Reconcile the information we have about the secondary dex files belonging to 8499 * {@code packagName} and the actual dex files. For all dex files that were 8500 * deleted, update the internal records and delete the generated oat files. 8501 */ 8502 @Override 8503 public void reconcileSecondaryDexFiles(String packageName) { 8504 mDexManager.reconcileSecondaryDexFiles(packageName); 8505 } 8506 8507 // TODO(calin): this is only needed for BackgroundDexOptService. Find a cleaner way to inject 8508 // a reference there. 8509 /*package*/ DexManager getDexManager() { 8510 return mDexManager; 8511 } 8512 8513 /** 8514 * Execute the background dexopt job immediately. 8515 */ 8516 @Override 8517 public boolean runBackgroundDexoptJob() { 8518 return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext); 8519 } 8520 8521 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 8522 if (p.usesLibraries != null || p.usesOptionalLibraries != null 8523 || p.usesStaticLibraries != null) { 8524 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 8525 Set<String> collectedNames = new HashSet<>(); 8526 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 8527 8528 retValue.remove(p); 8529 8530 return retValue; 8531 } else { 8532 return Collections.emptyList(); 8533 } 8534 } 8535 8536 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 8537 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8538 if (!collectedNames.contains(p.packageName)) { 8539 collectedNames.add(p.packageName); 8540 collected.add(p); 8541 8542 if (p.usesLibraries != null) { 8543 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 8544 null, collected, collectedNames); 8545 } 8546 if (p.usesOptionalLibraries != null) { 8547 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 8548 null, collected, collectedNames); 8549 } 8550 if (p.usesStaticLibraries != null) { 8551 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 8552 p.usesStaticLibrariesVersions, collected, collectedNames); 8553 } 8554 } 8555 } 8556 8557 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, int[] versions, 8558 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8559 final int libNameCount = libs.size(); 8560 for (int i = 0; i < libNameCount; i++) { 8561 String libName = libs.get(i); 8562 int version = (versions != null && versions.length == libNameCount) 8563 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 8564 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 8565 if (libPkg != null) { 8566 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 8567 } 8568 } 8569 } 8570 8571 private PackageParser.Package findSharedNonSystemLibrary(String name, int version) { 8572 synchronized (mPackages) { 8573 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 8574 if (libEntry != null) { 8575 return mPackages.get(libEntry.apk); 8576 } 8577 return null; 8578 } 8579 } 8580 8581 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, int version) { 8582 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 8583 if (versionedLib == null) { 8584 return null; 8585 } 8586 return versionedLib.get(version); 8587 } 8588 8589 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 8590 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 8591 pkg.staticSharedLibName); 8592 if (versionedLib == null) { 8593 return null; 8594 } 8595 int previousLibVersion = -1; 8596 final int versionCount = versionedLib.size(); 8597 for (int i = 0; i < versionCount; i++) { 8598 final int libVersion = versionedLib.keyAt(i); 8599 if (libVersion < pkg.staticSharedLibVersion) { 8600 previousLibVersion = Math.max(previousLibVersion, libVersion); 8601 } 8602 } 8603 if (previousLibVersion >= 0) { 8604 return versionedLib.get(previousLibVersion); 8605 } 8606 return null; 8607 } 8608 8609 public void shutdown() { 8610 mPackageUsage.writeNow(mPackages); 8611 mCompilerStats.writeNow(); 8612 } 8613 8614 @Override 8615 public void dumpProfiles(String packageName) { 8616 PackageParser.Package pkg; 8617 synchronized (mPackages) { 8618 pkg = mPackages.get(packageName); 8619 if (pkg == null) { 8620 throw new IllegalArgumentException("Unknown package: " + packageName); 8621 } 8622 } 8623 /* Only the shell, root, or the app user should be able to dump profiles. */ 8624 int callingUid = Binder.getCallingUid(); 8625 if (callingUid != Process.SHELL_UID && 8626 callingUid != Process.ROOT_UID && 8627 callingUid != pkg.applicationInfo.uid) { 8628 throw new SecurityException("dumpProfiles"); 8629 } 8630 8631 synchronized (mInstallLock) { 8632 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 8633 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 8634 try { 8635 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 8636 String codePaths = TextUtils.join(";", allCodePaths); 8637 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 8638 } catch (InstallerException e) { 8639 Slog.w(TAG, "Failed to dump profiles", e); 8640 } 8641 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8642 } 8643 } 8644 8645 @Override 8646 public void forceDexOpt(String packageName) { 8647 enforceSystemOrRoot("forceDexOpt"); 8648 8649 PackageParser.Package pkg; 8650 synchronized (mPackages) { 8651 pkg = mPackages.get(packageName); 8652 if (pkg == null) { 8653 throw new IllegalArgumentException("Unknown package: " + packageName); 8654 } 8655 } 8656 8657 synchronized (mInstallLock) { 8658 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8659 8660 // Whoever is calling forceDexOpt wants a fully compiled package. 8661 // Don't use profiles since that may cause compilation to be skipped. 8662 final int res = performDexOptInternalWithDependenciesLI(pkg, 8663 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 8664 true /* force */); 8665 8666 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8667 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 8668 throw new IllegalStateException("Failed to dexopt: " + res); 8669 } 8670 } 8671 } 8672 8673 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 8674 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 8675 Slog.w(TAG, "Unable to update from " + oldPkg.name 8676 + " to " + newPkg.packageName 8677 + ": old package not in system partition"); 8678 return false; 8679 } else if (mPackages.get(oldPkg.name) != null) { 8680 Slog.w(TAG, "Unable to update from " + oldPkg.name 8681 + " to " + newPkg.packageName 8682 + ": old package still exists"); 8683 return false; 8684 } 8685 return true; 8686 } 8687 8688 void removeCodePathLI(File codePath) { 8689 if (codePath.isDirectory()) { 8690 try { 8691 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 8692 } catch (InstallerException e) { 8693 Slog.w(TAG, "Failed to remove code path", e); 8694 } 8695 } else { 8696 codePath.delete(); 8697 } 8698 } 8699 8700 private int[] resolveUserIds(int userId) { 8701 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 8702 } 8703 8704 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8705 if (pkg == null) { 8706 Slog.wtf(TAG, "Package was null!", new Throwable()); 8707 return; 8708 } 8709 clearAppDataLeafLIF(pkg, userId, flags); 8710 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8711 for (int i = 0; i < childCount; i++) { 8712 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8713 } 8714 } 8715 8716 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8717 final PackageSetting ps; 8718 synchronized (mPackages) { 8719 ps = mSettings.mPackages.get(pkg.packageName); 8720 } 8721 for (int realUserId : resolveUserIds(userId)) { 8722 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8723 try { 8724 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8725 ceDataInode); 8726 } catch (InstallerException e) { 8727 Slog.w(TAG, String.valueOf(e)); 8728 } 8729 } 8730 } 8731 8732 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8733 if (pkg == null) { 8734 Slog.wtf(TAG, "Package was null!", new Throwable()); 8735 return; 8736 } 8737 destroyAppDataLeafLIF(pkg, userId, flags); 8738 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8739 for (int i = 0; i < childCount; i++) { 8740 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8741 } 8742 } 8743 8744 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8745 final PackageSetting ps; 8746 synchronized (mPackages) { 8747 ps = mSettings.mPackages.get(pkg.packageName); 8748 } 8749 for (int realUserId : resolveUserIds(userId)) { 8750 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8751 try { 8752 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8753 ceDataInode); 8754 } catch (InstallerException e) { 8755 Slog.w(TAG, String.valueOf(e)); 8756 } 8757 mDexManager.notifyPackageDataDestroyed(pkg.packageName, userId); 8758 } 8759 } 8760 8761 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 8762 if (pkg == null) { 8763 Slog.wtf(TAG, "Package was null!", new Throwable()); 8764 return; 8765 } 8766 destroyAppProfilesLeafLIF(pkg); 8767 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8768 for (int i = 0; i < childCount; i++) { 8769 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 8770 } 8771 } 8772 8773 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 8774 try { 8775 mInstaller.destroyAppProfiles(pkg.packageName); 8776 } catch (InstallerException e) { 8777 Slog.w(TAG, String.valueOf(e)); 8778 } 8779 } 8780 8781 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 8782 if (pkg == null) { 8783 Slog.wtf(TAG, "Package was null!", new Throwable()); 8784 return; 8785 } 8786 clearAppProfilesLeafLIF(pkg); 8787 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8788 for (int i = 0; i < childCount; i++) { 8789 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 8790 } 8791 } 8792 8793 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 8794 try { 8795 mInstaller.clearAppProfiles(pkg.packageName); 8796 } catch (InstallerException e) { 8797 Slog.w(TAG, String.valueOf(e)); 8798 } 8799 } 8800 8801 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 8802 long lastUpdateTime) { 8803 // Set parent install/update time 8804 PackageSetting ps = (PackageSetting) pkg.mExtras; 8805 if (ps != null) { 8806 ps.firstInstallTime = firstInstallTime; 8807 ps.lastUpdateTime = lastUpdateTime; 8808 } 8809 // Set children install/update time 8810 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8811 for (int i = 0; i < childCount; i++) { 8812 PackageParser.Package childPkg = pkg.childPackages.get(i); 8813 ps = (PackageSetting) childPkg.mExtras; 8814 if (ps != null) { 8815 ps.firstInstallTime = firstInstallTime; 8816 ps.lastUpdateTime = lastUpdateTime; 8817 } 8818 } 8819 } 8820 8821 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 8822 PackageParser.Package changingLib) { 8823 if (file.path != null) { 8824 usesLibraryFiles.add(file.path); 8825 return; 8826 } 8827 PackageParser.Package p = mPackages.get(file.apk); 8828 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 8829 // If we are doing this while in the middle of updating a library apk, 8830 // then we need to make sure to use that new apk for determining the 8831 // dependencies here. (We haven't yet finished committing the new apk 8832 // to the package manager state.) 8833 if (p == null || p.packageName.equals(changingLib.packageName)) { 8834 p = changingLib; 8835 } 8836 } 8837 if (p != null) { 8838 usesLibraryFiles.addAll(p.getAllCodePaths()); 8839 } 8840 } 8841 8842 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 8843 PackageParser.Package changingLib) throws PackageManagerException { 8844 if (pkg == null) { 8845 return; 8846 } 8847 ArraySet<String> usesLibraryFiles = null; 8848 if (pkg.usesLibraries != null) { 8849 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 8850 null, null, pkg.packageName, changingLib, true, null); 8851 } 8852 if (pkg.usesStaticLibraries != null) { 8853 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 8854 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 8855 pkg.packageName, changingLib, true, usesLibraryFiles); 8856 } 8857 if (pkg.usesOptionalLibraries != null) { 8858 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 8859 null, null, pkg.packageName, changingLib, false, usesLibraryFiles); 8860 } 8861 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 8862 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 8863 } else { 8864 pkg.usesLibraryFiles = null; 8865 } 8866 } 8867 8868 private ArraySet<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 8869 @Nullable int[] requiredVersions, @Nullable String[] requiredCertDigests, 8870 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 8871 boolean required, @Nullable ArraySet<String> outUsedLibraries) 8872 throws PackageManagerException { 8873 final int libCount = requestedLibraries.size(); 8874 for (int i = 0; i < libCount; i++) { 8875 final String libName = requestedLibraries.get(i); 8876 final int libVersion = requiredVersions != null ? requiredVersions[i] 8877 : SharedLibraryInfo.VERSION_UNDEFINED; 8878 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 8879 if (libEntry == null) { 8880 if (required) { 8881 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8882 "Package " + packageName + " requires unavailable shared library " 8883 + libName + "; failing!"); 8884 } else { 8885 Slog.w(TAG, "Package " + packageName 8886 + " desires unavailable shared library " 8887 + libName + "; ignoring!"); 8888 } 8889 } else { 8890 if (requiredVersions != null && requiredCertDigests != null) { 8891 if (libEntry.info.getVersion() != requiredVersions[i]) { 8892 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8893 "Package " + packageName + " requires unavailable static shared" 8894 + " library " + libName + " version " 8895 + libEntry.info.getVersion() + "; failing!"); 8896 } 8897 8898 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 8899 if (libPkg == null) { 8900 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8901 "Package " + packageName + " requires unavailable static shared" 8902 + " library; failing!"); 8903 } 8904 8905 String expectedCertDigest = requiredCertDigests[i]; 8906 String libCertDigest = PackageUtils.computeCertSha256Digest( 8907 libPkg.mSignatures[0]); 8908 if (!libCertDigest.equalsIgnoreCase(expectedCertDigest)) { 8909 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8910 "Package " + packageName + " requires differently signed" + 8911 " static shared library; failing!"); 8912 } 8913 } 8914 8915 if (outUsedLibraries == null) { 8916 outUsedLibraries = new ArraySet<>(); 8917 } 8918 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 8919 } 8920 } 8921 return outUsedLibraries; 8922 } 8923 8924 private static boolean hasString(List<String> list, List<String> which) { 8925 if (list == null) { 8926 return false; 8927 } 8928 for (int i=list.size()-1; i>=0; i--) { 8929 for (int j=which.size()-1; j>=0; j--) { 8930 if (which.get(j).equals(list.get(i))) { 8931 return true; 8932 } 8933 } 8934 } 8935 return false; 8936 } 8937 8938 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 8939 PackageParser.Package changingPkg) { 8940 ArrayList<PackageParser.Package> res = null; 8941 for (PackageParser.Package pkg : mPackages.values()) { 8942 if (changingPkg != null 8943 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 8944 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 8945 && !ArrayUtils.contains(pkg.usesStaticLibraries, 8946 changingPkg.staticSharedLibName)) { 8947 return null; 8948 } 8949 if (res == null) { 8950 res = new ArrayList<>(); 8951 } 8952 res.add(pkg); 8953 try { 8954 updateSharedLibrariesLPr(pkg, changingPkg); 8955 } catch (PackageManagerException e) { 8956 // If a system app update or an app and a required lib missing we 8957 // delete the package and for updated system apps keep the data as 8958 // it is better for the user to reinstall than to be in an limbo 8959 // state. Also libs disappearing under an app should never happen 8960 // - just in case. 8961 if (!pkg.isSystemApp() || pkg.isUpdatedSystemApp()) { 8962 final int flags = pkg.isUpdatedSystemApp() 8963 ? PackageManager.DELETE_KEEP_DATA : 0; 8964 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 8965 flags , null, true, null); 8966 } 8967 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8968 } 8969 } 8970 return res; 8971 } 8972 8973 /** 8974 * Derive the value of the {@code cpuAbiOverride} based on the provided 8975 * value and an optional stored value from the package settings. 8976 */ 8977 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 8978 String cpuAbiOverride = null; 8979 8980 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 8981 cpuAbiOverride = null; 8982 } else if (abiOverride != null) { 8983 cpuAbiOverride = abiOverride; 8984 } else if (settings != null) { 8985 cpuAbiOverride = settings.cpuAbiOverrideString; 8986 } 8987 8988 return cpuAbiOverride; 8989 } 8990 8991 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 8992 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 8993 throws PackageManagerException { 8994 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 8995 // If the package has children and this is the first dive in the function 8996 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 8997 // whether all packages (parent and children) would be successfully scanned 8998 // before the actual scan since scanning mutates internal state and we want 8999 // to atomically install the package and its children. 9000 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9001 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 9002 scanFlags |= SCAN_CHECK_ONLY; 9003 } 9004 } else { 9005 scanFlags &= ~SCAN_CHECK_ONLY; 9006 } 9007 9008 final PackageParser.Package scannedPkg; 9009 try { 9010 // Scan the parent 9011 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 9012 // Scan the children 9013 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9014 for (int i = 0; i < childCount; i++) { 9015 PackageParser.Package childPkg = pkg.childPackages.get(i); 9016 scanPackageLI(childPkg, policyFlags, 9017 scanFlags, currentTime, user); 9018 } 9019 } finally { 9020 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9021 } 9022 9023 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9024 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 9025 } 9026 9027 return scannedPkg; 9028 } 9029 9030 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 9031 int scanFlags, long currentTime, @Nullable UserHandle user) 9032 throws PackageManagerException { 9033 boolean success = false; 9034 try { 9035 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 9036 currentTime, user); 9037 success = true; 9038 return res; 9039 } finally { 9040 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 9041 // DELETE_DATA_ON_FAILURES is only used by frozen paths 9042 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 9043 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 9044 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 9045 } 9046 } 9047 } 9048 9049 /** 9050 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 9051 */ 9052 private static boolean apkHasCode(String fileName) { 9053 StrictJarFile jarFile = null; 9054 try { 9055 jarFile = new StrictJarFile(fileName, 9056 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 9057 return jarFile.findEntry("classes.dex") != null; 9058 } catch (IOException ignore) { 9059 } finally { 9060 try { 9061 if (jarFile != null) { 9062 jarFile.close(); 9063 } 9064 } catch (IOException ignore) {} 9065 } 9066 return false; 9067 } 9068 9069 /** 9070 * Enforces code policy for the package. This ensures that if an APK has 9071 * declared hasCode="true" in its manifest that the APK actually contains 9072 * code. 9073 * 9074 * @throws PackageManagerException If bytecode could not be found when it should exist 9075 */ 9076 private static void assertCodePolicy(PackageParser.Package pkg) 9077 throws PackageManagerException { 9078 final boolean shouldHaveCode = 9079 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 9080 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 9081 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9082 "Package " + pkg.baseCodePath + " code is missing"); 9083 } 9084 9085 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 9086 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 9087 final boolean splitShouldHaveCode = 9088 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 9089 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 9090 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9091 "Package " + pkg.splitCodePaths[i] + " code is missing"); 9092 } 9093 } 9094 } 9095 } 9096 9097 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 9098 final int policyFlags, final int scanFlags, long currentTime, @Nullable UserHandle user) 9099 throws PackageManagerException { 9100 if (DEBUG_PACKAGE_SCANNING) { 9101 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9102 Log.d(TAG, "Scanning package " + pkg.packageName); 9103 } 9104 9105 applyPolicy(pkg, policyFlags); 9106 9107 assertPackageIsValid(pkg, policyFlags, scanFlags); 9108 9109 // Initialize package source and resource directories 9110 final File scanFile = new File(pkg.codePath); 9111 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 9112 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 9113 9114 SharedUserSetting suid = null; 9115 PackageSetting pkgSetting = null; 9116 9117 // Getting the package setting may have a side-effect, so if we 9118 // are only checking if scan would succeed, stash a copy of the 9119 // old setting to restore at the end. 9120 PackageSetting nonMutatedPs = null; 9121 9122 // We keep references to the derived CPU Abis from settings in oder to reuse 9123 // them in the case where we're not upgrading or booting for the first time. 9124 String primaryCpuAbiFromSettings = null; 9125 String secondaryCpuAbiFromSettings = null; 9126 9127 // writer 9128 synchronized (mPackages) { 9129 if (pkg.mSharedUserId != null) { 9130 // SIDE EFFECTS; may potentially allocate a new shared user 9131 suid = mSettings.getSharedUserLPw( 9132 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 9133 if (DEBUG_PACKAGE_SCANNING) { 9134 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9135 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 9136 + "): packages=" + suid.packages); 9137 } 9138 } 9139 9140 // Check if we are renaming from an original package name. 9141 PackageSetting origPackage = null; 9142 String realName = null; 9143 if (pkg.mOriginalPackages != null) { 9144 // This package may need to be renamed to a previously 9145 // installed name. Let's check on that... 9146 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 9147 if (pkg.mOriginalPackages.contains(renamed)) { 9148 // This package had originally been installed as the 9149 // original name, and we have already taken care of 9150 // transitioning to the new one. Just update the new 9151 // one to continue using the old name. 9152 realName = pkg.mRealPackage; 9153 if (!pkg.packageName.equals(renamed)) { 9154 // Callers into this function may have already taken 9155 // care of renaming the package; only do it here if 9156 // it is not already done. 9157 pkg.setPackageName(renamed); 9158 } 9159 } else { 9160 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 9161 if ((origPackage = mSettings.getPackageLPr( 9162 pkg.mOriginalPackages.get(i))) != null) { 9163 // We do have the package already installed under its 9164 // original name... should we use it? 9165 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 9166 // New package is not compatible with original. 9167 origPackage = null; 9168 continue; 9169 } else if (origPackage.sharedUser != null) { 9170 // Make sure uid is compatible between packages. 9171 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 9172 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 9173 + " to " + pkg.packageName + ": old uid " 9174 + origPackage.sharedUser.name 9175 + " differs from " + pkg.mSharedUserId); 9176 origPackage = null; 9177 continue; 9178 } 9179 // TODO: Add case when shared user id is added [b/28144775] 9180 } else { 9181 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 9182 + pkg.packageName + " to old name " + origPackage.name); 9183 } 9184 break; 9185 } 9186 } 9187 } 9188 } 9189 9190 if (mTransferedPackages.contains(pkg.packageName)) { 9191 Slog.w(TAG, "Package " + pkg.packageName 9192 + " was transferred to another, but its .apk remains"); 9193 } 9194 9195 // See comments in nonMutatedPs declaration 9196 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9197 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9198 if (foundPs != null) { 9199 nonMutatedPs = new PackageSetting(foundPs); 9200 } 9201 } 9202 9203 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 9204 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9205 if (foundPs != null) { 9206 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 9207 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 9208 } 9209 } 9210 9211 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 9212 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 9213 PackageManagerService.reportSettingsProblem(Log.WARN, 9214 "Package " + pkg.packageName + " shared user changed from " 9215 + (pkgSetting.sharedUser != null 9216 ? pkgSetting.sharedUser.name : "<nothing>") 9217 + " to " 9218 + (suid != null ? suid.name : "<nothing>") 9219 + "; replacing with new"); 9220 pkgSetting = null; 9221 } 9222 final PackageSetting oldPkgSetting = 9223 pkgSetting == null ? null : new PackageSetting(pkgSetting); 9224 final PackageSetting disabledPkgSetting = 9225 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 9226 9227 String[] usesStaticLibraries = null; 9228 if (pkg.usesStaticLibraries != null) { 9229 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 9230 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 9231 } 9232 9233 if (pkgSetting == null) { 9234 final String parentPackageName = (pkg.parentPackage != null) 9235 ? pkg.parentPackage.packageName : null; 9236 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 9237 // REMOVE SharedUserSetting from method; update in a separate call 9238 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 9239 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 9240 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 9241 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 9242 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 9243 true /*allowInstall*/, instantApp, parentPackageName, 9244 pkg.getChildPackageNames(), UserManagerService.getInstance(), 9245 usesStaticLibraries, pkg.usesStaticLibrariesVersions); 9246 // SIDE EFFECTS; updates system state; move elsewhere 9247 if (origPackage != null) { 9248 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 9249 } 9250 mSettings.addUserToSettingLPw(pkgSetting); 9251 } else { 9252 // REMOVE SharedUserSetting from method; update in a separate call. 9253 // 9254 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 9255 // secondaryCpuAbi are not known at this point so we always update them 9256 // to null here, only to reset them at a later point. 9257 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 9258 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 9259 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 9260 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 9261 UserManagerService.getInstance(), usesStaticLibraries, 9262 pkg.usesStaticLibrariesVersions); 9263 } 9264 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 9265 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 9266 9267 // SIDE EFFECTS; modifies system state; move elsewhere 9268 if (pkgSetting.origPackage != null) { 9269 // If we are first transitioning from an original package, 9270 // fix up the new package's name now. We need to do this after 9271 // looking up the package under its new name, so getPackageLP 9272 // can take care of fiddling things correctly. 9273 pkg.setPackageName(origPackage.name); 9274 9275 // File a report about this. 9276 String msg = "New package " + pkgSetting.realName 9277 + " renamed to replace old package " + pkgSetting.name; 9278 reportSettingsProblem(Log.WARN, msg); 9279 9280 // Make a note of it. 9281 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9282 mTransferedPackages.add(origPackage.name); 9283 } 9284 9285 // No longer need to retain this. 9286 pkgSetting.origPackage = null; 9287 } 9288 9289 // SIDE EFFECTS; modifies system state; move elsewhere 9290 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 9291 // Make a note of it. 9292 mTransferedPackages.add(pkg.packageName); 9293 } 9294 9295 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 9296 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9297 } 9298 9299 if ((scanFlags & SCAN_BOOTING) == 0 9300 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9301 // Check all shared libraries and map to their actual file path. 9302 // We only do this here for apps not on a system dir, because those 9303 // are the only ones that can fail an install due to this. We 9304 // will take care of the system apps by updating all of their 9305 // library paths after the scan is done. Also during the initial 9306 // scan don't update any libs as we do this wholesale after all 9307 // apps are scanned to avoid dependency based scanning. 9308 updateSharedLibrariesLPr(pkg, null); 9309 } 9310 9311 if (mFoundPolicyFile) { 9312 SELinuxMMAC.assignSeInfoValue(pkg); 9313 } 9314 pkg.applicationInfo.uid = pkgSetting.appId; 9315 pkg.mExtras = pkgSetting; 9316 9317 9318 // Static shared libs have same package with different versions where 9319 // we internally use a synthetic package name to allow multiple versions 9320 // of the same package, therefore we need to compare signatures against 9321 // the package setting for the latest library version. 9322 PackageSetting signatureCheckPs = pkgSetting; 9323 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9324 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 9325 if (libraryEntry != null) { 9326 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 9327 } 9328 } 9329 9330 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 9331 if (checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 9332 // We just determined the app is signed correctly, so bring 9333 // over the latest parsed certs. 9334 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9335 } else { 9336 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9337 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9338 "Package " + pkg.packageName + " upgrade keys do not match the " 9339 + "previously installed version"); 9340 } else { 9341 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9342 String msg = "System package " + pkg.packageName 9343 + " signature changed; retaining data."; 9344 reportSettingsProblem(Log.WARN, msg); 9345 } 9346 } 9347 } else { 9348 try { 9349 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 9350 verifySignaturesLP(signatureCheckPs, pkg); 9351 // We just determined the app is signed correctly, so bring 9352 // over the latest parsed certs. 9353 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9354 } catch (PackageManagerException e) { 9355 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9356 throw e; 9357 } 9358 // The signature has changed, but this package is in the system 9359 // image... let's recover! 9360 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9361 // However... if this package is part of a shared user, but it 9362 // doesn't match the signature of the shared user, let's fail. 9363 // What this means is that you can't change the signatures 9364 // associated with an overall shared user, which doesn't seem all 9365 // that unreasonable. 9366 if (signatureCheckPs.sharedUser != null) { 9367 if (compareSignatures(signatureCheckPs.sharedUser.signatures.mSignatures, 9368 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 9369 throw new PackageManagerException( 9370 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9371 "Signature mismatch for shared user: " 9372 + pkgSetting.sharedUser); 9373 } 9374 } 9375 // File a report about this. 9376 String msg = "System package " + pkg.packageName 9377 + " signature changed; retaining data."; 9378 reportSettingsProblem(Log.WARN, msg); 9379 } 9380 } 9381 9382 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 9383 // This package wants to adopt ownership of permissions from 9384 // another package. 9385 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 9386 final String origName = pkg.mAdoptPermissions.get(i); 9387 final PackageSetting orig = mSettings.getPackageLPr(origName); 9388 if (orig != null) { 9389 if (verifyPackageUpdateLPr(orig, pkg)) { 9390 Slog.i(TAG, "Adopting permissions from " + origName + " to " 9391 + pkg.packageName); 9392 // SIDE EFFECTS; updates permissions system state; move elsewhere 9393 mSettings.transferPermissionsLPw(origName, pkg.packageName); 9394 } 9395 } 9396 } 9397 } 9398 } 9399 9400 pkg.applicationInfo.processName = fixProcessName( 9401 pkg.applicationInfo.packageName, 9402 pkg.applicationInfo.processName); 9403 9404 if (pkg != mPlatformPackage) { 9405 // Get all of our default paths setup 9406 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 9407 } 9408 9409 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 9410 9411 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 9412 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 9413 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 9414 derivePackageAbi( 9415 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 9416 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9417 9418 // Some system apps still use directory structure for native libraries 9419 // in which case we might end up not detecting abi solely based on apk 9420 // structure. Try to detect abi based on directory structure. 9421 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 9422 pkg.applicationInfo.primaryCpuAbi == null) { 9423 setBundledAppAbisAndRoots(pkg, pkgSetting); 9424 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9425 } 9426 } else { 9427 // This is not a first boot or an upgrade, don't bother deriving the 9428 // ABI during the scan. Instead, trust the value that was stored in the 9429 // package setting. 9430 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 9431 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 9432 9433 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9434 9435 if (DEBUG_ABI_SELECTION) { 9436 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 9437 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 9438 pkg.applicationInfo.secondaryCpuAbi); 9439 } 9440 } 9441 } else { 9442 if ((scanFlags & SCAN_MOVE) != 0) { 9443 // We haven't run dex-opt for this move (since we've moved the compiled output too) 9444 // but we already have this packages package info in the PackageSetting. We just 9445 // use that and derive the native library path based on the new codepath. 9446 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 9447 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 9448 } 9449 9450 // Set native library paths again. For moves, the path will be updated based on the 9451 // ABIs we've determined above. For non-moves, the path will be updated based on the 9452 // ABIs we determined during compilation, but the path will depend on the final 9453 // package path (after the rename away from the stage path). 9454 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9455 } 9456 9457 // This is a special case for the "system" package, where the ABI is 9458 // dictated by the zygote configuration (and init.rc). We should keep track 9459 // of this ABI so that we can deal with "normal" applications that run under 9460 // the same UID correctly. 9461 if (mPlatformPackage == pkg) { 9462 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 9463 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 9464 } 9465 9466 // If there's a mismatch between the abi-override in the package setting 9467 // and the abiOverride specified for the install. Warn about this because we 9468 // would've already compiled the app without taking the package setting into 9469 // account. 9470 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 9471 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 9472 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 9473 " for package " + pkg.packageName); 9474 } 9475 } 9476 9477 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9478 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9479 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 9480 9481 // Copy the derived override back to the parsed package, so that we can 9482 // update the package settings accordingly. 9483 pkg.cpuAbiOverride = cpuAbiOverride; 9484 9485 if (DEBUG_ABI_SELECTION) { 9486 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 9487 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 9488 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 9489 } 9490 9491 // Push the derived path down into PackageSettings so we know what to 9492 // clean up at uninstall time. 9493 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 9494 9495 if (DEBUG_ABI_SELECTION) { 9496 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 9497 " primary=" + pkg.applicationInfo.primaryCpuAbi + 9498 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 9499 } 9500 9501 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 9502 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 9503 // We don't do this here during boot because we can do it all 9504 // at once after scanning all existing packages. 9505 // 9506 // We also do this *before* we perform dexopt on this package, so that 9507 // we can avoid redundant dexopts, and also to make sure we've got the 9508 // code and package path correct. 9509 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 9510 } 9511 9512 if (mFactoryTest && pkg.requestedPermissions.contains( 9513 android.Manifest.permission.FACTORY_TEST)) { 9514 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 9515 } 9516 9517 if (isSystemApp(pkg)) { 9518 pkgSetting.isOrphaned = true; 9519 } 9520 9521 // Take care of first install / last update times. 9522 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 9523 if (currentTime != 0) { 9524 if (pkgSetting.firstInstallTime == 0) { 9525 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 9526 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 9527 pkgSetting.lastUpdateTime = currentTime; 9528 } 9529 } else if (pkgSetting.firstInstallTime == 0) { 9530 // We need *something*. Take time time stamp of the file. 9531 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 9532 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 9533 if (scanFileTime != pkgSetting.timeStamp) { 9534 // A package on the system image has changed; consider this 9535 // to be an update. 9536 pkgSetting.lastUpdateTime = scanFileTime; 9537 } 9538 } 9539 pkgSetting.setTimeStamp(scanFileTime); 9540 9541 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9542 if (nonMutatedPs != null) { 9543 synchronized (mPackages) { 9544 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 9545 } 9546 } 9547 } else { 9548 final int userId = user == null ? 0 : user.getIdentifier(); 9549 // Modify state for the given package setting 9550 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 9551 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 9552 if (pkgSetting.getInstantApp(userId)) { 9553 mInstantAppRegistry.addInstantAppLPw(userId, pkgSetting.appId); 9554 } 9555 } 9556 return pkg; 9557 } 9558 9559 /** 9560 * Applies policy to the parsed package based upon the given policy flags. 9561 * Ensures the package is in a good state. 9562 * <p> 9563 * Implementation detail: This method must NOT have any side effect. It would 9564 * ideally be static, but, it requires locks to read system state. 9565 */ 9566 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 9567 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 9568 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 9569 if (pkg.applicationInfo.isDirectBootAware()) { 9570 // we're direct boot aware; set for all components 9571 for (PackageParser.Service s : pkg.services) { 9572 s.info.encryptionAware = s.info.directBootAware = true; 9573 } 9574 for (PackageParser.Provider p : pkg.providers) { 9575 p.info.encryptionAware = p.info.directBootAware = true; 9576 } 9577 for (PackageParser.Activity a : pkg.activities) { 9578 a.info.encryptionAware = a.info.directBootAware = true; 9579 } 9580 for (PackageParser.Activity r : pkg.receivers) { 9581 r.info.encryptionAware = r.info.directBootAware = true; 9582 } 9583 } 9584 } else { 9585 // Only allow system apps to be flagged as core apps. 9586 pkg.coreApp = false; 9587 // clear flags not applicable to regular apps 9588 pkg.applicationInfo.privateFlags &= 9589 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 9590 pkg.applicationInfo.privateFlags &= 9591 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 9592 } 9593 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 9594 9595 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 9596 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 9597 } 9598 9599 if (!isSystemApp(pkg)) { 9600 // Only system apps can use these features. 9601 pkg.mOriginalPackages = null; 9602 pkg.mRealPackage = null; 9603 pkg.mAdoptPermissions = null; 9604 } 9605 } 9606 9607 /** 9608 * Asserts the parsed package is valid according to the given policy. If the 9609 * package is invalid, for whatever reason, throws {@link PackageManagerException}. 9610 * <p> 9611 * Implementation detail: This method must NOT have any side effects. It would 9612 * ideally be static, but, it requires locks to read system state. 9613 * 9614 * @throws PackageManagerException If the package fails any of the validation checks 9615 */ 9616 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 9617 throws PackageManagerException { 9618 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 9619 assertCodePolicy(pkg); 9620 } 9621 9622 if (pkg.applicationInfo.getCodePath() == null || 9623 pkg.applicationInfo.getResourcePath() == null) { 9624 // Bail out. The resource and code paths haven't been set. 9625 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9626 "Code and resource paths haven't been set correctly"); 9627 } 9628 9629 // Make sure we're not adding any bogus keyset info 9630 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9631 ksms.assertScannedPackageValid(pkg); 9632 9633 synchronized (mPackages) { 9634 // The special "android" package can only be defined once 9635 if (pkg.packageName.equals("android")) { 9636 if (mAndroidApplication != null) { 9637 Slog.w(TAG, "*************************************************"); 9638 Slog.w(TAG, "Core android package being redefined. Skipping."); 9639 Slog.w(TAG, " codePath=" + pkg.codePath); 9640 Slog.w(TAG, "*************************************************"); 9641 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9642 "Core android package being redefined. Skipping."); 9643 } 9644 } 9645 9646 // A package name must be unique; don't allow duplicates 9647 if (mPackages.containsKey(pkg.packageName)) { 9648 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9649 "Application package " + pkg.packageName 9650 + " already installed. Skipping duplicate."); 9651 } 9652 9653 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9654 // Static libs have a synthetic package name containing the version 9655 // but we still want the base name to be unique. 9656 if (mPackages.containsKey(pkg.manifestPackageName)) { 9657 throw new PackageManagerException( 9658 "Duplicate static shared lib provider package"); 9659 } 9660 9661 // Static shared libraries should have at least O target SDK 9662 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 9663 throw new PackageManagerException( 9664 "Packages declaring static-shared libs must target O SDK or higher"); 9665 } 9666 9667 // Package declaring static a shared lib cannot be instant apps 9668 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 9669 throw new PackageManagerException( 9670 "Packages declaring static-shared libs cannot be instant apps"); 9671 } 9672 9673 // Package declaring static a shared lib cannot be renamed since the package 9674 // name is synthetic and apps can't code around package manager internals. 9675 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 9676 throw new PackageManagerException( 9677 "Packages declaring static-shared libs cannot be renamed"); 9678 } 9679 9680 // Package declaring static a shared lib cannot declare child packages 9681 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 9682 throw new PackageManagerException( 9683 "Packages declaring static-shared libs cannot have child packages"); 9684 } 9685 9686 // Package declaring static a shared lib cannot declare dynamic libs 9687 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 9688 throw new PackageManagerException( 9689 "Packages declaring static-shared libs cannot declare dynamic libs"); 9690 } 9691 9692 // Package declaring static a shared lib cannot declare shared users 9693 if (pkg.mSharedUserId != null) { 9694 throw new PackageManagerException( 9695 "Packages declaring static-shared libs cannot declare shared users"); 9696 } 9697 9698 // Static shared libs cannot declare activities 9699 if (!pkg.activities.isEmpty()) { 9700 throw new PackageManagerException( 9701 "Static shared libs cannot declare activities"); 9702 } 9703 9704 // Static shared libs cannot declare services 9705 if (!pkg.services.isEmpty()) { 9706 throw new PackageManagerException( 9707 "Static shared libs cannot declare services"); 9708 } 9709 9710 // Static shared libs cannot declare providers 9711 if (!pkg.providers.isEmpty()) { 9712 throw new PackageManagerException( 9713 "Static shared libs cannot declare content providers"); 9714 } 9715 9716 // Static shared libs cannot declare receivers 9717 if (!pkg.receivers.isEmpty()) { 9718 throw new PackageManagerException( 9719 "Static shared libs cannot declare broadcast receivers"); 9720 } 9721 9722 // Static shared libs cannot declare permission groups 9723 if (!pkg.permissionGroups.isEmpty()) { 9724 throw new PackageManagerException( 9725 "Static shared libs cannot declare permission groups"); 9726 } 9727 9728 // Static shared libs cannot declare permissions 9729 if (!pkg.permissions.isEmpty()) { 9730 throw new PackageManagerException( 9731 "Static shared libs cannot declare permissions"); 9732 } 9733 9734 // Static shared libs cannot declare protected broadcasts 9735 if (pkg.protectedBroadcasts != null) { 9736 throw new PackageManagerException( 9737 "Static shared libs cannot declare protected broadcasts"); 9738 } 9739 9740 // Static shared libs cannot be overlay targets 9741 if (pkg.mOverlayTarget != null) { 9742 throw new PackageManagerException( 9743 "Static shared libs cannot be overlay targets"); 9744 } 9745 9746 // The version codes must be ordered as lib versions 9747 int minVersionCode = Integer.MIN_VALUE; 9748 int maxVersionCode = Integer.MAX_VALUE; 9749 9750 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9751 pkg.staticSharedLibName); 9752 if (versionedLib != null) { 9753 final int versionCount = versionedLib.size(); 9754 for (int i = 0; i < versionCount; i++) { 9755 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 9756 // TODO: We will change version code to long, so in the new API it is long 9757 final int libVersionCode = (int) libInfo.getDeclaringPackage() 9758 .getVersionCode(); 9759 if (libInfo.getVersion() < pkg.staticSharedLibVersion) { 9760 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 9761 } else if (libInfo.getVersion() > pkg.staticSharedLibVersion) { 9762 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 9763 } else { 9764 minVersionCode = maxVersionCode = libVersionCode; 9765 break; 9766 } 9767 } 9768 } 9769 if (pkg.mVersionCode < minVersionCode || pkg.mVersionCode > maxVersionCode) { 9770 throw new PackageManagerException("Static shared" 9771 + " lib version codes must be ordered as lib versions"); 9772 } 9773 } 9774 9775 // Only privileged apps and updated privileged apps can add child packages. 9776 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 9777 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 9778 throw new PackageManagerException("Only privileged apps can add child " 9779 + "packages. Ignoring package " + pkg.packageName); 9780 } 9781 final int childCount = pkg.childPackages.size(); 9782 for (int i = 0; i < childCount; i++) { 9783 PackageParser.Package childPkg = pkg.childPackages.get(i); 9784 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 9785 childPkg.packageName)) { 9786 throw new PackageManagerException("Can't override child of " 9787 + "another disabled app. Ignoring package " + pkg.packageName); 9788 } 9789 } 9790 } 9791 9792 // If we're only installing presumed-existing packages, require that the 9793 // scanned APK is both already known and at the path previously established 9794 // for it. Previously unknown packages we pick up normally, but if we have an 9795 // a priori expectation about this package's install presence, enforce it. 9796 // With a singular exception for new system packages. When an OTA contains 9797 // a new system package, we allow the codepath to change from a system location 9798 // to the user-installed location. If we don't allow this change, any newer, 9799 // user-installed version of the application will be ignored. 9800 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 9801 if (mExpectingBetter.containsKey(pkg.packageName)) { 9802 logCriticalInfo(Log.WARN, 9803 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 9804 } else { 9805 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 9806 if (known != null) { 9807 if (DEBUG_PACKAGE_SCANNING) { 9808 Log.d(TAG, "Examining " + pkg.codePath 9809 + " and requiring known paths " + known.codePathString 9810 + " & " + known.resourcePathString); 9811 } 9812 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 9813 || !pkg.applicationInfo.getResourcePath().equals( 9814 known.resourcePathString)) { 9815 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 9816 "Application package " + pkg.packageName 9817 + " found at " + pkg.applicationInfo.getCodePath() 9818 + " but expected at " + known.codePathString 9819 + "; ignoring."); 9820 } 9821 } 9822 } 9823 } 9824 9825 // Verify that this new package doesn't have any content providers 9826 // that conflict with existing packages. Only do this if the 9827 // package isn't already installed, since we don't want to break 9828 // things that are installed. 9829 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 9830 final int N = pkg.providers.size(); 9831 int i; 9832 for (i=0; i<N; i++) { 9833 PackageParser.Provider p = pkg.providers.get(i); 9834 if (p.info.authority != null) { 9835 String names[] = p.info.authority.split(";"); 9836 for (int j = 0; j < names.length; j++) { 9837 if (mProvidersByAuthority.containsKey(names[j])) { 9838 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9839 final String otherPackageName = 9840 ((other != null && other.getComponentName() != null) ? 9841 other.getComponentName().getPackageName() : "?"); 9842 throw new PackageManagerException( 9843 INSTALL_FAILED_CONFLICTING_PROVIDER, 9844 "Can't install because provider name " + names[j] 9845 + " (in package " + pkg.applicationInfo.packageName 9846 + ") is already used by " + otherPackageName); 9847 } 9848 } 9849 } 9850 } 9851 } 9852 } 9853 } 9854 9855 private boolean addSharedLibraryLPw(String path, String apk, String name, int version, 9856 int type, String declaringPackageName, int declaringVersionCode) { 9857 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9858 if (versionedLib == null) { 9859 versionedLib = new SparseArray<>(); 9860 mSharedLibraries.put(name, versionedLib); 9861 if (type == SharedLibraryInfo.TYPE_STATIC) { 9862 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 9863 } 9864 } else if (versionedLib.indexOfKey(version) >= 0) { 9865 return false; 9866 } 9867 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 9868 version, type, declaringPackageName, declaringVersionCode); 9869 versionedLib.put(version, libEntry); 9870 return true; 9871 } 9872 9873 private boolean removeSharedLibraryLPw(String name, int version) { 9874 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9875 if (versionedLib == null) { 9876 return false; 9877 } 9878 final int libIdx = versionedLib.indexOfKey(version); 9879 if (libIdx < 0) { 9880 return false; 9881 } 9882 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 9883 versionedLib.remove(version); 9884 if (versionedLib.size() <= 0) { 9885 mSharedLibraries.remove(name); 9886 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 9887 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 9888 .getPackageName()); 9889 } 9890 } 9891 return true; 9892 } 9893 9894 /** 9895 * Adds a scanned package to the system. When this method is finished, the package will 9896 * be available for query, resolution, etc... 9897 */ 9898 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 9899 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 9900 final String pkgName = pkg.packageName; 9901 if (mCustomResolverComponentName != null && 9902 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 9903 setUpCustomResolverActivity(pkg); 9904 } 9905 9906 if (pkg.packageName.equals("android")) { 9907 synchronized (mPackages) { 9908 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9909 // Set up information for our fall-back user intent resolution activity. 9910 mPlatformPackage = pkg; 9911 pkg.mVersionCode = mSdkVersion; 9912 mAndroidApplication = pkg.applicationInfo; 9913 if (!mResolverReplaced) { 9914 mResolveActivity.applicationInfo = mAndroidApplication; 9915 mResolveActivity.name = ResolverActivity.class.getName(); 9916 mResolveActivity.packageName = mAndroidApplication.packageName; 9917 mResolveActivity.processName = "system:ui"; 9918 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9919 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 9920 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 9921 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 9922 mResolveActivity.exported = true; 9923 mResolveActivity.enabled = true; 9924 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 9925 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 9926 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 9927 | ActivityInfo.CONFIG_SCREEN_LAYOUT 9928 | ActivityInfo.CONFIG_ORIENTATION 9929 | ActivityInfo.CONFIG_KEYBOARD 9930 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 9931 mResolveInfo.activityInfo = mResolveActivity; 9932 mResolveInfo.priority = 0; 9933 mResolveInfo.preferredOrder = 0; 9934 mResolveInfo.match = 0; 9935 mResolveComponentName = new ComponentName( 9936 mAndroidApplication.packageName, mResolveActivity.name); 9937 } 9938 } 9939 } 9940 } 9941 9942 ArrayList<PackageParser.Package> clientLibPkgs = null; 9943 // writer 9944 synchronized (mPackages) { 9945 boolean hasStaticSharedLibs = false; 9946 9947 // Any app can add new static shared libraries 9948 if (pkg.staticSharedLibName != null) { 9949 // Static shared libs don't allow renaming as they have synthetic package 9950 // names to allow install of multiple versions, so use name from manifest. 9951 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 9952 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 9953 pkg.manifestPackageName, pkg.mVersionCode)) { 9954 hasStaticSharedLibs = true; 9955 } else { 9956 Slog.w(TAG, "Package " + pkg.packageName + " library " 9957 + pkg.staticSharedLibName + " already exists; skipping"); 9958 } 9959 // Static shared libs cannot be updated once installed since they 9960 // use synthetic package name which includes the version code, so 9961 // not need to update other packages's shared lib dependencies. 9962 } 9963 9964 if (!hasStaticSharedLibs 9965 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 9966 // Only system apps can add new dynamic shared libraries. 9967 if (pkg.libraryNames != null) { 9968 for (int i = 0; i < pkg.libraryNames.size(); i++) { 9969 String name = pkg.libraryNames.get(i); 9970 boolean allowed = false; 9971 if (pkg.isUpdatedSystemApp()) { 9972 // New library entries can only be added through the 9973 // system image. This is important to get rid of a lot 9974 // of nasty edge cases: for example if we allowed a non- 9975 // system update of the app to add a library, then uninstalling 9976 // the update would make the library go away, and assumptions 9977 // we made such as through app install filtering would now 9978 // have allowed apps on the device which aren't compatible 9979 // with it. Better to just have the restriction here, be 9980 // conservative, and create many fewer cases that can negatively 9981 // impact the user experience. 9982 final PackageSetting sysPs = mSettings 9983 .getDisabledSystemPkgLPr(pkg.packageName); 9984 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 9985 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 9986 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 9987 allowed = true; 9988 break; 9989 } 9990 } 9991 } 9992 } else { 9993 allowed = true; 9994 } 9995 if (allowed) { 9996 if (!addSharedLibraryLPw(null, pkg.packageName, name, 9997 SharedLibraryInfo.VERSION_UNDEFINED, 9998 SharedLibraryInfo.TYPE_DYNAMIC, 9999 pkg.packageName, pkg.mVersionCode)) { 10000 Slog.w(TAG, "Package " + pkg.packageName + " library " 10001 + name + " already exists; skipping"); 10002 } 10003 } else { 10004 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 10005 + name + " that is not declared on system image; skipping"); 10006 } 10007 } 10008 10009 if ((scanFlags & SCAN_BOOTING) == 0) { 10010 // If we are not booting, we need to update any applications 10011 // that are clients of our shared library. If we are booting, 10012 // this will all be done once the scan is complete. 10013 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 10014 } 10015 } 10016 } 10017 } 10018 10019 if ((scanFlags & SCAN_BOOTING) != 0) { 10020 // No apps can run during boot scan, so they don't need to be frozen 10021 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 10022 // Caller asked to not kill app, so it's probably not frozen 10023 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 10024 // Caller asked us to ignore frozen check for some reason; they 10025 // probably didn't know the package name 10026 } else { 10027 // We're doing major surgery on this package, so it better be frozen 10028 // right now to keep it from launching 10029 checkPackageFrozen(pkgName); 10030 } 10031 10032 // Also need to kill any apps that are dependent on the library. 10033 if (clientLibPkgs != null) { 10034 for (int i=0; i<clientLibPkgs.size(); i++) { 10035 PackageParser.Package clientPkg = clientLibPkgs.get(i); 10036 killApplication(clientPkg.applicationInfo.packageName, 10037 clientPkg.applicationInfo.uid, "update lib"); 10038 } 10039 } 10040 10041 // writer 10042 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 10043 10044 synchronized (mPackages) { 10045 // We don't expect installation to fail beyond this point 10046 10047 // Add the new setting to mSettings 10048 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 10049 // Add the new setting to mPackages 10050 mPackages.put(pkg.applicationInfo.packageName, pkg); 10051 // Make sure we don't accidentally delete its data. 10052 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 10053 while (iter.hasNext()) { 10054 PackageCleanItem item = iter.next(); 10055 if (pkgName.equals(item.packageName)) { 10056 iter.remove(); 10057 } 10058 } 10059 10060 // Add the package's KeySets to the global KeySetManagerService 10061 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10062 ksms.addScannedPackageLPw(pkg); 10063 10064 int N = pkg.providers.size(); 10065 StringBuilder r = null; 10066 int i; 10067 for (i=0; i<N; i++) { 10068 PackageParser.Provider p = pkg.providers.get(i); 10069 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 10070 p.info.processName); 10071 mProviders.addProvider(p); 10072 p.syncable = p.info.isSyncable; 10073 if (p.info.authority != null) { 10074 String names[] = p.info.authority.split(";"); 10075 p.info.authority = null; 10076 for (int j = 0; j < names.length; j++) { 10077 if (j == 1 && p.syncable) { 10078 // We only want the first authority for a provider to possibly be 10079 // syncable, so if we already added this provider using a different 10080 // authority clear the syncable flag. We copy the provider before 10081 // changing it because the mProviders object contains a reference 10082 // to a provider that we don't want to change. 10083 // Only do this for the second authority since the resulting provider 10084 // object can be the same for all future authorities for this provider. 10085 p = new PackageParser.Provider(p); 10086 p.syncable = false; 10087 } 10088 if (!mProvidersByAuthority.containsKey(names[j])) { 10089 mProvidersByAuthority.put(names[j], p); 10090 if (p.info.authority == null) { 10091 p.info.authority = names[j]; 10092 } else { 10093 p.info.authority = p.info.authority + ";" + names[j]; 10094 } 10095 if (DEBUG_PACKAGE_SCANNING) { 10096 if (chatty) 10097 Log.d(TAG, "Registered content provider: " + names[j] 10098 + ", className = " + p.info.name + ", isSyncable = " 10099 + p.info.isSyncable); 10100 } 10101 } else { 10102 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 10103 Slog.w(TAG, "Skipping provider name " + names[j] + 10104 " (in package " + pkg.applicationInfo.packageName + 10105 "): name already used by " 10106 + ((other != null && other.getComponentName() != null) 10107 ? other.getComponentName().getPackageName() : "?")); 10108 } 10109 } 10110 } 10111 if (chatty) { 10112 if (r == null) { 10113 r = new StringBuilder(256); 10114 } else { 10115 r.append(' '); 10116 } 10117 r.append(p.info.name); 10118 } 10119 } 10120 if (r != null) { 10121 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 10122 } 10123 10124 N = pkg.services.size(); 10125 r = null; 10126 for (i=0; i<N; i++) { 10127 PackageParser.Service s = pkg.services.get(i); 10128 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 10129 s.info.processName); 10130 mServices.addService(s); 10131 if (chatty) { 10132 if (r == null) { 10133 r = new StringBuilder(256); 10134 } else { 10135 r.append(' '); 10136 } 10137 r.append(s.info.name); 10138 } 10139 } 10140 if (r != null) { 10141 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 10142 } 10143 10144 N = pkg.receivers.size(); 10145 r = null; 10146 for (i=0; i<N; i++) { 10147 PackageParser.Activity a = pkg.receivers.get(i); 10148 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10149 a.info.processName); 10150 mReceivers.addActivity(a, "receiver"); 10151 if (chatty) { 10152 if (r == null) { 10153 r = new StringBuilder(256); 10154 } else { 10155 r.append(' '); 10156 } 10157 r.append(a.info.name); 10158 } 10159 } 10160 if (r != null) { 10161 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 10162 } 10163 10164 N = pkg.activities.size(); 10165 r = null; 10166 for (i=0; i<N; i++) { 10167 PackageParser.Activity a = pkg.activities.get(i); 10168 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10169 a.info.processName); 10170 mActivities.addActivity(a, "activity"); 10171 if (chatty) { 10172 if (r == null) { 10173 r = new StringBuilder(256); 10174 } else { 10175 r.append(' '); 10176 } 10177 r.append(a.info.name); 10178 } 10179 } 10180 if (r != null) { 10181 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 10182 } 10183 10184 N = pkg.permissionGroups.size(); 10185 r = null; 10186 for (i=0; i<N; i++) { 10187 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 10188 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 10189 final String curPackageName = cur == null ? null : cur.info.packageName; 10190 // Dont allow ephemeral apps to define new permission groups. 10191 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10192 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10193 + pg.info.packageName 10194 + " ignored: instant apps cannot define new permission groups."); 10195 continue; 10196 } 10197 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 10198 if (cur == null || isPackageUpdate) { 10199 mPermissionGroups.put(pg.info.name, pg); 10200 if (chatty) { 10201 if (r == null) { 10202 r = new StringBuilder(256); 10203 } else { 10204 r.append(' '); 10205 } 10206 if (isPackageUpdate) { 10207 r.append("UPD:"); 10208 } 10209 r.append(pg.info.name); 10210 } 10211 } else { 10212 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10213 + pg.info.packageName + " ignored: original from " 10214 + cur.info.packageName); 10215 if (chatty) { 10216 if (r == null) { 10217 r = new StringBuilder(256); 10218 } else { 10219 r.append(' '); 10220 } 10221 r.append("DUP:"); 10222 r.append(pg.info.name); 10223 } 10224 } 10225 } 10226 if (r != null) { 10227 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 10228 } 10229 10230 N = pkg.permissions.size(); 10231 r = null; 10232 for (i=0; i<N; i++) { 10233 PackageParser.Permission p = pkg.permissions.get(i); 10234 10235 // Dont allow ephemeral apps to define new permissions. 10236 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10237 Slog.w(TAG, "Permission " + p.info.name + " from package " 10238 + p.info.packageName 10239 + " ignored: instant apps cannot define new permissions."); 10240 continue; 10241 } 10242 10243 // Assume by default that we did not install this permission into the system. 10244 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 10245 10246 // Now that permission groups have a special meaning, we ignore permission 10247 // groups for legacy apps to prevent unexpected behavior. In particular, 10248 // permissions for one app being granted to someone just becase they happen 10249 // to be in a group defined by another app (before this had no implications). 10250 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 10251 p.group = mPermissionGroups.get(p.info.group); 10252 // Warn for a permission in an unknown group. 10253 if (p.info.group != null && p.group == null) { 10254 Slog.w(TAG, "Permission " + p.info.name + " from package " 10255 + p.info.packageName + " in an unknown group " + p.info.group); 10256 } 10257 } 10258 10259 ArrayMap<String, BasePermission> permissionMap = 10260 p.tree ? mSettings.mPermissionTrees 10261 : mSettings.mPermissions; 10262 BasePermission bp = permissionMap.get(p.info.name); 10263 10264 // Allow system apps to redefine non-system permissions 10265 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 10266 final boolean currentOwnerIsSystem = (bp.perm != null 10267 && isSystemApp(bp.perm.owner)); 10268 if (isSystemApp(p.owner)) { 10269 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 10270 // It's a built-in permission and no owner, take ownership now 10271 bp.packageSetting = pkgSetting; 10272 bp.perm = p; 10273 bp.uid = pkg.applicationInfo.uid; 10274 bp.sourcePackage = p.info.packageName; 10275 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10276 } else if (!currentOwnerIsSystem) { 10277 String msg = "New decl " + p.owner + " of permission " 10278 + p.info.name + " is system; overriding " + bp.sourcePackage; 10279 reportSettingsProblem(Log.WARN, msg); 10280 bp = null; 10281 } 10282 } 10283 } 10284 10285 if (bp == null) { 10286 bp = new BasePermission(p.info.name, p.info.packageName, 10287 BasePermission.TYPE_NORMAL); 10288 permissionMap.put(p.info.name, bp); 10289 } 10290 10291 if (bp.perm == null) { 10292 if (bp.sourcePackage == null 10293 || bp.sourcePackage.equals(p.info.packageName)) { 10294 BasePermission tree = findPermissionTreeLP(p.info.name); 10295 if (tree == null 10296 || tree.sourcePackage.equals(p.info.packageName)) { 10297 bp.packageSetting = pkgSetting; 10298 bp.perm = p; 10299 bp.uid = pkg.applicationInfo.uid; 10300 bp.sourcePackage = p.info.packageName; 10301 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10302 if (chatty) { 10303 if (r == null) { 10304 r = new StringBuilder(256); 10305 } else { 10306 r.append(' '); 10307 } 10308 r.append(p.info.name); 10309 } 10310 } else { 10311 Slog.w(TAG, "Permission " + p.info.name + " from package " 10312 + p.info.packageName + " ignored: base tree " 10313 + tree.name + " is from package " 10314 + tree.sourcePackage); 10315 } 10316 } else { 10317 Slog.w(TAG, "Permission " + p.info.name + " from package " 10318 + p.info.packageName + " ignored: original from " 10319 + bp.sourcePackage); 10320 } 10321 } else if (chatty) { 10322 if (r == null) { 10323 r = new StringBuilder(256); 10324 } else { 10325 r.append(' '); 10326 } 10327 r.append("DUP:"); 10328 r.append(p.info.name); 10329 } 10330 if (bp.perm == p) { 10331 bp.protectionLevel = p.info.protectionLevel; 10332 } 10333 } 10334 10335 if (r != null) { 10336 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 10337 } 10338 10339 N = pkg.instrumentation.size(); 10340 r = null; 10341 for (i=0; i<N; i++) { 10342 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 10343 a.info.packageName = pkg.applicationInfo.packageName; 10344 a.info.sourceDir = pkg.applicationInfo.sourceDir; 10345 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 10346 a.info.splitNames = pkg.splitNames; 10347 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 10348 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 10349 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 10350 a.info.dataDir = pkg.applicationInfo.dataDir; 10351 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 10352 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 10353 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 10354 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 10355 mInstrumentation.put(a.getComponentName(), a); 10356 if (chatty) { 10357 if (r == null) { 10358 r = new StringBuilder(256); 10359 } else { 10360 r.append(' '); 10361 } 10362 r.append(a.info.name); 10363 } 10364 } 10365 if (r != null) { 10366 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 10367 } 10368 10369 if (pkg.protectedBroadcasts != null) { 10370 N = pkg.protectedBroadcasts.size(); 10371 for (i=0; i<N; i++) { 10372 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 10373 } 10374 } 10375 } 10376 10377 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10378 } 10379 10380 /** 10381 * Derive the ABI of a non-system package located at {@code scanFile}. This information 10382 * is derived purely on the basis of the contents of {@code scanFile} and 10383 * {@code cpuAbiOverride}. 10384 * 10385 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 10386 */ 10387 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 10388 String cpuAbiOverride, boolean extractLibs, 10389 File appLib32InstallDir) 10390 throws PackageManagerException { 10391 // Give ourselves some initial paths; we'll come back for another 10392 // pass once we've determined ABI below. 10393 setNativeLibraryPaths(pkg, appLib32InstallDir); 10394 10395 // We would never need to extract libs for forward-locked and external packages, 10396 // since the container service will do it for us. We shouldn't attempt to 10397 // extract libs from system app when it was not updated. 10398 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 10399 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 10400 extractLibs = false; 10401 } 10402 10403 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 10404 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 10405 10406 NativeLibraryHelper.Handle handle = null; 10407 try { 10408 handle = NativeLibraryHelper.Handle.create(pkg); 10409 // TODO(multiArch): This can be null for apps that didn't go through the 10410 // usual installation process. We can calculate it again, like we 10411 // do during install time. 10412 // 10413 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 10414 // unnecessary. 10415 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 10416 10417 // Null out the abis so that they can be recalculated. 10418 pkg.applicationInfo.primaryCpuAbi = null; 10419 pkg.applicationInfo.secondaryCpuAbi = null; 10420 if (isMultiArch(pkg.applicationInfo)) { 10421 // Warn if we've set an abiOverride for multi-lib packages.. 10422 // By definition, we need to copy both 32 and 64 bit libraries for 10423 // such packages. 10424 if (pkg.cpuAbiOverride != null 10425 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 10426 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 10427 } 10428 10429 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 10430 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 10431 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 10432 if (extractLibs) { 10433 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10434 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10435 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 10436 useIsaSpecificSubdirs); 10437 } else { 10438 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10439 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 10440 } 10441 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10442 } 10443 10444 maybeThrowExceptionForMultiArchCopy( 10445 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 10446 10447 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 10448 if (extractLibs) { 10449 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10450 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10451 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 10452 useIsaSpecificSubdirs); 10453 } else { 10454 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10455 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 10456 } 10457 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10458 } 10459 10460 maybeThrowExceptionForMultiArchCopy( 10461 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 10462 10463 if (abi64 >= 0) { 10464 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 10465 } 10466 10467 if (abi32 >= 0) { 10468 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 10469 if (abi64 >= 0) { 10470 if (pkg.use32bitAbi) { 10471 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 10472 pkg.applicationInfo.primaryCpuAbi = abi; 10473 } else { 10474 pkg.applicationInfo.secondaryCpuAbi = abi; 10475 } 10476 } else { 10477 pkg.applicationInfo.primaryCpuAbi = abi; 10478 } 10479 } 10480 10481 } else { 10482 String[] abiList = (cpuAbiOverride != null) ? 10483 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 10484 10485 // Enable gross and lame hacks for apps that are built with old 10486 // SDK tools. We must scan their APKs for renderscript bitcode and 10487 // not launch them if it's present. Don't bother checking on devices 10488 // that don't have 64 bit support. 10489 boolean needsRenderScriptOverride = false; 10490 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 10491 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 10492 abiList = Build.SUPPORTED_32_BIT_ABIS; 10493 needsRenderScriptOverride = true; 10494 } 10495 10496 final int copyRet; 10497 if (extractLibs) { 10498 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10499 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10500 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 10501 } else { 10502 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10503 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 10504 } 10505 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10506 10507 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 10508 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 10509 "Error unpackaging native libs for app, errorCode=" + copyRet); 10510 } 10511 10512 if (copyRet >= 0) { 10513 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 10514 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 10515 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 10516 } else if (needsRenderScriptOverride) { 10517 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 10518 } 10519 } 10520 } catch (IOException ioe) { 10521 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 10522 } finally { 10523 IoUtils.closeQuietly(handle); 10524 } 10525 10526 // Now that we've calculated the ABIs and determined if it's an internal app, 10527 // we will go ahead and populate the nativeLibraryPath. 10528 setNativeLibraryPaths(pkg, appLib32InstallDir); 10529 } 10530 10531 /** 10532 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 10533 * i.e, so that all packages can be run inside a single process if required. 10534 * 10535 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 10536 * this function will either try and make the ABI for all packages in {@code packagesForUser} 10537 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 10538 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 10539 * updating a package that belongs to a shared user. 10540 * 10541 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 10542 * adds unnecessary complexity. 10543 */ 10544 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 10545 PackageParser.Package scannedPackage) { 10546 String requiredInstructionSet = null; 10547 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 10548 requiredInstructionSet = VMRuntime.getInstructionSet( 10549 scannedPackage.applicationInfo.primaryCpuAbi); 10550 } 10551 10552 PackageSetting requirer = null; 10553 for (PackageSetting ps : packagesForUser) { 10554 // If packagesForUser contains scannedPackage, we skip it. This will happen 10555 // when scannedPackage is an update of an existing package. Without this check, 10556 // we will never be able to change the ABI of any package belonging to a shared 10557 // user, even if it's compatible with other packages. 10558 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10559 if (ps.primaryCpuAbiString == null) { 10560 continue; 10561 } 10562 10563 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 10564 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 10565 // We have a mismatch between instruction sets (say arm vs arm64) warn about 10566 // this but there's not much we can do. 10567 String errorMessage = "Instruction set mismatch, " 10568 + ((requirer == null) ? "[caller]" : requirer) 10569 + " requires " + requiredInstructionSet + " whereas " + ps 10570 + " requires " + instructionSet; 10571 Slog.w(TAG, errorMessage); 10572 } 10573 10574 if (requiredInstructionSet == null) { 10575 requiredInstructionSet = instructionSet; 10576 requirer = ps; 10577 } 10578 } 10579 } 10580 10581 if (requiredInstructionSet != null) { 10582 String adjustedAbi; 10583 if (requirer != null) { 10584 // requirer != null implies that either scannedPackage was null or that scannedPackage 10585 // did not require an ABI, in which case we have to adjust scannedPackage to match 10586 // the ABI of the set (which is the same as requirer's ABI) 10587 adjustedAbi = requirer.primaryCpuAbiString; 10588 if (scannedPackage != null) { 10589 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 10590 } 10591 } else { 10592 // requirer == null implies that we're updating all ABIs in the set to 10593 // match scannedPackage. 10594 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 10595 } 10596 10597 for (PackageSetting ps : packagesForUser) { 10598 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10599 if (ps.primaryCpuAbiString != null) { 10600 continue; 10601 } 10602 10603 ps.primaryCpuAbiString = adjustedAbi; 10604 if (ps.pkg != null && ps.pkg.applicationInfo != null && 10605 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 10606 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 10607 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 10608 + " (requirer=" 10609 + (requirer != null ? requirer.pkg : "null") 10610 + ", scannedPackage=" 10611 + (scannedPackage != null ? scannedPackage : "null") 10612 + ")"); 10613 try { 10614 mInstaller.rmdex(ps.codePathString, 10615 getDexCodeInstructionSet(getPreferredInstructionSet())); 10616 } catch (InstallerException ignored) { 10617 } 10618 } 10619 } 10620 } 10621 } 10622 } 10623 10624 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 10625 synchronized (mPackages) { 10626 mResolverReplaced = true; 10627 // Set up information for custom user intent resolution activity. 10628 mResolveActivity.applicationInfo = pkg.applicationInfo; 10629 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 10630 mResolveActivity.packageName = pkg.applicationInfo.packageName; 10631 mResolveActivity.processName = pkg.applicationInfo.packageName; 10632 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10633 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 10634 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10635 mResolveActivity.theme = 0; 10636 mResolveActivity.exported = true; 10637 mResolveActivity.enabled = true; 10638 mResolveInfo.activityInfo = mResolveActivity; 10639 mResolveInfo.priority = 0; 10640 mResolveInfo.preferredOrder = 0; 10641 mResolveInfo.match = 0; 10642 mResolveComponentName = mCustomResolverComponentName; 10643 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 10644 mResolveComponentName); 10645 } 10646 } 10647 10648 private void setUpInstantAppInstallerActivityLP(ActivityInfo installerActivity) { 10649 if (installerActivity == null) { 10650 if (DEBUG_EPHEMERAL) { 10651 Slog.d(TAG, "Clear ephemeral installer activity"); 10652 } 10653 mInstantAppInstallerActivity = null; 10654 return; 10655 } 10656 10657 if (DEBUG_EPHEMERAL) { 10658 Slog.d(TAG, "Set ephemeral installer activity: " 10659 + installerActivity.getComponentName()); 10660 } 10661 // Set up information for ephemeral installer activity 10662 mInstantAppInstallerActivity = installerActivity; 10663 mInstantAppInstallerActivity.flags |= ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 10664 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10665 mInstantAppInstallerActivity.exported = true; 10666 mInstantAppInstallerActivity.enabled = true; 10667 mInstantAppInstallerInfo.activityInfo = mInstantAppInstallerActivity; 10668 mInstantAppInstallerInfo.priority = 0; 10669 mInstantAppInstallerInfo.preferredOrder = 1; 10670 mInstantAppInstallerInfo.isDefault = true; 10671 mInstantAppInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 10672 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 10673 } 10674 10675 private static String calculateBundledApkRoot(final String codePathString) { 10676 final File codePath = new File(codePathString); 10677 final File codeRoot; 10678 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 10679 codeRoot = Environment.getRootDirectory(); 10680 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 10681 codeRoot = Environment.getOemDirectory(); 10682 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 10683 codeRoot = Environment.getVendorDirectory(); 10684 } else { 10685 // Unrecognized code path; take its top real segment as the apk root: 10686 // e.g. /something/app/blah.apk => /something 10687 try { 10688 File f = codePath.getCanonicalFile(); 10689 File parent = f.getParentFile(); // non-null because codePath is a file 10690 File tmp; 10691 while ((tmp = parent.getParentFile()) != null) { 10692 f = parent; 10693 parent = tmp; 10694 } 10695 codeRoot = f; 10696 Slog.w(TAG, "Unrecognized code path " 10697 + codePath + " - using " + codeRoot); 10698 } catch (IOException e) { 10699 // Can't canonicalize the code path -- shenanigans? 10700 Slog.w(TAG, "Can't canonicalize code path " + codePath); 10701 return Environment.getRootDirectory().getPath(); 10702 } 10703 } 10704 return codeRoot.getPath(); 10705 } 10706 10707 /** 10708 * Derive and set the location of native libraries for the given package, 10709 * which varies depending on where and how the package was installed. 10710 */ 10711 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 10712 final ApplicationInfo info = pkg.applicationInfo; 10713 final String codePath = pkg.codePath; 10714 final File codeFile = new File(codePath); 10715 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 10716 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 10717 10718 info.nativeLibraryRootDir = null; 10719 info.nativeLibraryRootRequiresIsa = false; 10720 info.nativeLibraryDir = null; 10721 info.secondaryNativeLibraryDir = null; 10722 10723 if (isApkFile(codeFile)) { 10724 // Monolithic install 10725 if (bundledApp) { 10726 // If "/system/lib64/apkname" exists, assume that is the per-package 10727 // native library directory to use; otherwise use "/system/lib/apkname". 10728 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 10729 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 10730 getPrimaryInstructionSet(info)); 10731 10732 // This is a bundled system app so choose the path based on the ABI. 10733 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 10734 // is just the default path. 10735 final String apkName = deriveCodePathName(codePath); 10736 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 10737 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 10738 apkName).getAbsolutePath(); 10739 10740 if (info.secondaryCpuAbi != null) { 10741 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 10742 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 10743 secondaryLibDir, apkName).getAbsolutePath(); 10744 } 10745 } else if (asecApp) { 10746 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 10747 .getAbsolutePath(); 10748 } else { 10749 final String apkName = deriveCodePathName(codePath); 10750 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 10751 .getAbsolutePath(); 10752 } 10753 10754 info.nativeLibraryRootRequiresIsa = false; 10755 info.nativeLibraryDir = info.nativeLibraryRootDir; 10756 } else { 10757 // Cluster install 10758 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 10759 info.nativeLibraryRootRequiresIsa = true; 10760 10761 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 10762 getPrimaryInstructionSet(info)).getAbsolutePath(); 10763 10764 if (info.secondaryCpuAbi != null) { 10765 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 10766 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 10767 } 10768 } 10769 } 10770 10771 /** 10772 * Calculate the abis and roots for a bundled app. These can uniquely 10773 * be determined from the contents of the system partition, i.e whether 10774 * it contains 64 or 32 bit shared libraries etc. We do not validate any 10775 * of this information, and instead assume that the system was built 10776 * sensibly. 10777 */ 10778 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 10779 PackageSetting pkgSetting) { 10780 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 10781 10782 // If "/system/lib64/apkname" exists, assume that is the per-package 10783 // native library directory to use; otherwise use "/system/lib/apkname". 10784 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 10785 setBundledAppAbi(pkg, apkRoot, apkName); 10786 // pkgSetting might be null during rescan following uninstall of updates 10787 // to a bundled app, so accommodate that possibility. The settings in 10788 // that case will be established later from the parsed package. 10789 // 10790 // If the settings aren't null, sync them up with what we've just derived. 10791 // note that apkRoot isn't stored in the package settings. 10792 if (pkgSetting != null) { 10793 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10794 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10795 } 10796 } 10797 10798 /** 10799 * Deduces the ABI of a bundled app and sets the relevant fields on the 10800 * parsed pkg object. 10801 * 10802 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 10803 * under which system libraries are installed. 10804 * @param apkName the name of the installed package. 10805 */ 10806 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 10807 final File codeFile = new File(pkg.codePath); 10808 10809 final boolean has64BitLibs; 10810 final boolean has32BitLibs; 10811 if (isApkFile(codeFile)) { 10812 // Monolithic install 10813 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 10814 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 10815 } else { 10816 // Cluster install 10817 final File rootDir = new File(codeFile, LIB_DIR_NAME); 10818 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 10819 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 10820 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 10821 has64BitLibs = (new File(rootDir, isa)).exists(); 10822 } else { 10823 has64BitLibs = false; 10824 } 10825 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 10826 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 10827 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 10828 has32BitLibs = (new File(rootDir, isa)).exists(); 10829 } else { 10830 has32BitLibs = false; 10831 } 10832 } 10833 10834 if (has64BitLibs && !has32BitLibs) { 10835 // The package has 64 bit libs, but not 32 bit libs. Its primary 10836 // ABI should be 64 bit. We can safely assume here that the bundled 10837 // native libraries correspond to the most preferred ABI in the list. 10838 10839 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10840 pkg.applicationInfo.secondaryCpuAbi = null; 10841 } else if (has32BitLibs && !has64BitLibs) { 10842 // The package has 32 bit libs but not 64 bit libs. Its primary 10843 // ABI should be 32 bit. 10844 10845 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10846 pkg.applicationInfo.secondaryCpuAbi = null; 10847 } else if (has32BitLibs && has64BitLibs) { 10848 // The application has both 64 and 32 bit bundled libraries. We check 10849 // here that the app declares multiArch support, and warn if it doesn't. 10850 // 10851 // We will be lenient here and record both ABIs. The primary will be the 10852 // ABI that's higher on the list, i.e, a device that's configured to prefer 10853 // 64 bit apps will see a 64 bit primary ABI, 10854 10855 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 10856 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 10857 } 10858 10859 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 10860 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10861 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10862 } else { 10863 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10864 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10865 } 10866 } else { 10867 pkg.applicationInfo.primaryCpuAbi = null; 10868 pkg.applicationInfo.secondaryCpuAbi = null; 10869 } 10870 } 10871 10872 private void killApplication(String pkgName, int appId, String reason) { 10873 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 10874 } 10875 10876 private void killApplication(String pkgName, int appId, int userId, String reason) { 10877 // Request the ActivityManager to kill the process(only for existing packages) 10878 // so that we do not end up in a confused state while the user is still using the older 10879 // version of the application while the new one gets installed. 10880 final long token = Binder.clearCallingIdentity(); 10881 try { 10882 IActivityManager am = ActivityManager.getService(); 10883 if (am != null) { 10884 try { 10885 am.killApplication(pkgName, appId, userId, reason); 10886 } catch (RemoteException e) { 10887 } 10888 } 10889 } finally { 10890 Binder.restoreCallingIdentity(token); 10891 } 10892 } 10893 10894 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 10895 // Remove the parent package setting 10896 PackageSetting ps = (PackageSetting) pkg.mExtras; 10897 if (ps != null) { 10898 removePackageLI(ps, chatty); 10899 } 10900 // Remove the child package setting 10901 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10902 for (int i = 0; i < childCount; i++) { 10903 PackageParser.Package childPkg = pkg.childPackages.get(i); 10904 ps = (PackageSetting) childPkg.mExtras; 10905 if (ps != null) { 10906 removePackageLI(ps, chatty); 10907 } 10908 } 10909 } 10910 10911 void removePackageLI(PackageSetting ps, boolean chatty) { 10912 if (DEBUG_INSTALL) { 10913 if (chatty) 10914 Log.d(TAG, "Removing package " + ps.name); 10915 } 10916 10917 // writer 10918 synchronized (mPackages) { 10919 mPackages.remove(ps.name); 10920 final PackageParser.Package pkg = ps.pkg; 10921 if (pkg != null) { 10922 cleanPackageDataStructuresLILPw(pkg, chatty); 10923 } 10924 } 10925 } 10926 10927 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 10928 if (DEBUG_INSTALL) { 10929 if (chatty) 10930 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 10931 } 10932 10933 // writer 10934 synchronized (mPackages) { 10935 // Remove the parent package 10936 mPackages.remove(pkg.applicationInfo.packageName); 10937 cleanPackageDataStructuresLILPw(pkg, chatty); 10938 10939 // Remove the child packages 10940 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10941 for (int i = 0; i < childCount; i++) { 10942 PackageParser.Package childPkg = pkg.childPackages.get(i); 10943 mPackages.remove(childPkg.applicationInfo.packageName); 10944 cleanPackageDataStructuresLILPw(childPkg, chatty); 10945 } 10946 } 10947 } 10948 10949 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 10950 int N = pkg.providers.size(); 10951 StringBuilder r = null; 10952 int i; 10953 for (i=0; i<N; i++) { 10954 PackageParser.Provider p = pkg.providers.get(i); 10955 mProviders.removeProvider(p); 10956 if (p.info.authority == null) { 10957 10958 /* There was another ContentProvider with this authority when 10959 * this app was installed so this authority is null, 10960 * Ignore it as we don't have to unregister the provider. 10961 */ 10962 continue; 10963 } 10964 String names[] = p.info.authority.split(";"); 10965 for (int j = 0; j < names.length; j++) { 10966 if (mProvidersByAuthority.get(names[j]) == p) { 10967 mProvidersByAuthority.remove(names[j]); 10968 if (DEBUG_REMOVE) { 10969 if (chatty) 10970 Log.d(TAG, "Unregistered content provider: " + names[j] 10971 + ", className = " + p.info.name + ", isSyncable = " 10972 + p.info.isSyncable); 10973 } 10974 } 10975 } 10976 if (DEBUG_REMOVE && chatty) { 10977 if (r == null) { 10978 r = new StringBuilder(256); 10979 } else { 10980 r.append(' '); 10981 } 10982 r.append(p.info.name); 10983 } 10984 } 10985 if (r != null) { 10986 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 10987 } 10988 10989 N = pkg.services.size(); 10990 r = null; 10991 for (i=0; i<N; i++) { 10992 PackageParser.Service s = pkg.services.get(i); 10993 mServices.removeService(s); 10994 if (chatty) { 10995 if (r == null) { 10996 r = new StringBuilder(256); 10997 } else { 10998 r.append(' '); 10999 } 11000 r.append(s.info.name); 11001 } 11002 } 11003 if (r != null) { 11004 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 11005 } 11006 11007 N = pkg.receivers.size(); 11008 r = null; 11009 for (i=0; i<N; i++) { 11010 PackageParser.Activity a = pkg.receivers.get(i); 11011 mReceivers.removeActivity(a, "receiver"); 11012 if (DEBUG_REMOVE && chatty) { 11013 if (r == null) { 11014 r = new StringBuilder(256); 11015 } else { 11016 r.append(' '); 11017 } 11018 r.append(a.info.name); 11019 } 11020 } 11021 if (r != null) { 11022 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 11023 } 11024 11025 N = pkg.activities.size(); 11026 r = null; 11027 for (i=0; i<N; i++) { 11028 PackageParser.Activity a = pkg.activities.get(i); 11029 mActivities.removeActivity(a, "activity"); 11030 if (DEBUG_REMOVE && chatty) { 11031 if (r == null) { 11032 r = new StringBuilder(256); 11033 } else { 11034 r.append(' '); 11035 } 11036 r.append(a.info.name); 11037 } 11038 } 11039 if (r != null) { 11040 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 11041 } 11042 11043 N = pkg.permissions.size(); 11044 r = null; 11045 for (i=0; i<N; i++) { 11046 PackageParser.Permission p = pkg.permissions.get(i); 11047 BasePermission bp = mSettings.mPermissions.get(p.info.name); 11048 if (bp == null) { 11049 bp = mSettings.mPermissionTrees.get(p.info.name); 11050 } 11051 if (bp != null && bp.perm == p) { 11052 bp.perm = null; 11053 if (DEBUG_REMOVE && chatty) { 11054 if (r == null) { 11055 r = new StringBuilder(256); 11056 } else { 11057 r.append(' '); 11058 } 11059 r.append(p.info.name); 11060 } 11061 } 11062 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11063 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 11064 if (appOpPkgs != null) { 11065 appOpPkgs.remove(pkg.packageName); 11066 } 11067 } 11068 } 11069 if (r != null) { 11070 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11071 } 11072 11073 N = pkg.requestedPermissions.size(); 11074 r = null; 11075 for (i=0; i<N; i++) { 11076 String perm = pkg.requestedPermissions.get(i); 11077 BasePermission bp = mSettings.mPermissions.get(perm); 11078 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11079 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 11080 if (appOpPkgs != null) { 11081 appOpPkgs.remove(pkg.packageName); 11082 if (appOpPkgs.isEmpty()) { 11083 mAppOpPermissionPackages.remove(perm); 11084 } 11085 } 11086 } 11087 } 11088 if (r != null) { 11089 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11090 } 11091 11092 N = pkg.instrumentation.size(); 11093 r = null; 11094 for (i=0; i<N; i++) { 11095 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11096 mInstrumentation.remove(a.getComponentName()); 11097 if (DEBUG_REMOVE && chatty) { 11098 if (r == null) { 11099 r = new StringBuilder(256); 11100 } else { 11101 r.append(' '); 11102 } 11103 r.append(a.info.name); 11104 } 11105 } 11106 if (r != null) { 11107 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 11108 } 11109 11110 r = null; 11111 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 11112 // Only system apps can hold shared libraries. 11113 if (pkg.libraryNames != null) { 11114 for (i = 0; i < pkg.libraryNames.size(); i++) { 11115 String name = pkg.libraryNames.get(i); 11116 if (removeSharedLibraryLPw(name, 0)) { 11117 if (DEBUG_REMOVE && chatty) { 11118 if (r == null) { 11119 r = new StringBuilder(256); 11120 } else { 11121 r.append(' '); 11122 } 11123 r.append(name); 11124 } 11125 } 11126 } 11127 } 11128 } 11129 11130 r = null; 11131 11132 // Any package can hold static shared libraries. 11133 if (pkg.staticSharedLibName != null) { 11134 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 11135 if (DEBUG_REMOVE && chatty) { 11136 if (r == null) { 11137 r = new StringBuilder(256); 11138 } else { 11139 r.append(' '); 11140 } 11141 r.append(pkg.staticSharedLibName); 11142 } 11143 } 11144 } 11145 11146 if (r != null) { 11147 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 11148 } 11149 } 11150 11151 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 11152 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 11153 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 11154 return true; 11155 } 11156 } 11157 return false; 11158 } 11159 11160 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 11161 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 11162 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 11163 11164 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 11165 // Update the parent permissions 11166 updatePermissionsLPw(pkg.packageName, pkg, flags); 11167 // Update the child permissions 11168 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11169 for (int i = 0; i < childCount; i++) { 11170 PackageParser.Package childPkg = pkg.childPackages.get(i); 11171 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 11172 } 11173 } 11174 11175 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 11176 int flags) { 11177 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 11178 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 11179 } 11180 11181 private void updatePermissionsLPw(String changingPkg, 11182 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 11183 // Make sure there are no dangling permission trees. 11184 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 11185 while (it.hasNext()) { 11186 final BasePermission bp = it.next(); 11187 if (bp.packageSetting == null) { 11188 // We may not yet have parsed the package, so just see if 11189 // we still know about its settings. 11190 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11191 } 11192 if (bp.packageSetting == null) { 11193 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 11194 + " from package " + bp.sourcePackage); 11195 it.remove(); 11196 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11197 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11198 Slog.i(TAG, "Removing old permission tree: " + bp.name 11199 + " from package " + bp.sourcePackage); 11200 flags |= UPDATE_PERMISSIONS_ALL; 11201 it.remove(); 11202 } 11203 } 11204 } 11205 11206 // Make sure all dynamic permissions have been assigned to a package, 11207 // and make sure there are no dangling permissions. 11208 it = mSettings.mPermissions.values().iterator(); 11209 while (it.hasNext()) { 11210 final BasePermission bp = it.next(); 11211 if (bp.type == BasePermission.TYPE_DYNAMIC) { 11212 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 11213 + bp.name + " pkg=" + bp.sourcePackage 11214 + " info=" + bp.pendingInfo); 11215 if (bp.packageSetting == null && bp.pendingInfo != null) { 11216 final BasePermission tree = findPermissionTreeLP(bp.name); 11217 if (tree != null && tree.perm != null) { 11218 bp.packageSetting = tree.packageSetting; 11219 bp.perm = new PackageParser.Permission(tree.perm.owner, 11220 new PermissionInfo(bp.pendingInfo)); 11221 bp.perm.info.packageName = tree.perm.info.packageName; 11222 bp.perm.info.name = bp.name; 11223 bp.uid = tree.uid; 11224 } 11225 } 11226 } 11227 if (bp.packageSetting == null) { 11228 // We may not yet have parsed the package, so just see if 11229 // we still know about its settings. 11230 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11231 } 11232 if (bp.packageSetting == null) { 11233 Slog.w(TAG, "Removing dangling permission: " + bp.name 11234 + " from package " + bp.sourcePackage); 11235 it.remove(); 11236 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11237 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11238 Slog.i(TAG, "Removing old permission: " + bp.name 11239 + " from package " + bp.sourcePackage); 11240 flags |= UPDATE_PERMISSIONS_ALL; 11241 it.remove(); 11242 } 11243 } 11244 } 11245 11246 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 11247 // Now update the permissions for all packages, in particular 11248 // replace the granted permissions of the system packages. 11249 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 11250 for (PackageParser.Package pkg : mPackages.values()) { 11251 if (pkg != pkgInfo) { 11252 // Only replace for packages on requested volume 11253 final String volumeUuid = getVolumeUuidForPackage(pkg); 11254 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 11255 && Objects.equals(replaceVolumeUuid, volumeUuid); 11256 grantPermissionsLPw(pkg, replace, changingPkg); 11257 } 11258 } 11259 } 11260 11261 if (pkgInfo != null) { 11262 // Only replace for packages on requested volume 11263 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 11264 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 11265 && Objects.equals(replaceVolumeUuid, volumeUuid); 11266 grantPermissionsLPw(pkgInfo, replace, changingPkg); 11267 } 11268 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11269 } 11270 11271 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 11272 String packageOfInterest) { 11273 // IMPORTANT: There are two types of permissions: install and runtime. 11274 // Install time permissions are granted when the app is installed to 11275 // all device users and users added in the future. Runtime permissions 11276 // are granted at runtime explicitly to specific users. Normal and signature 11277 // protected permissions are install time permissions. Dangerous permissions 11278 // are install permissions if the app's target SDK is Lollipop MR1 or older, 11279 // otherwise they are runtime permissions. This function does not manage 11280 // runtime permissions except for the case an app targeting Lollipop MR1 11281 // being upgraded to target a newer SDK, in which case dangerous permissions 11282 // are transformed from install time to runtime ones. 11283 11284 final PackageSetting ps = (PackageSetting) pkg.mExtras; 11285 if (ps == null) { 11286 return; 11287 } 11288 11289 PermissionsState permissionsState = ps.getPermissionsState(); 11290 PermissionsState origPermissions = permissionsState; 11291 11292 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 11293 11294 boolean runtimePermissionsRevoked = false; 11295 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 11296 11297 boolean changedInstallPermission = false; 11298 11299 if (replace) { 11300 ps.installPermissionsFixed = false; 11301 if (!ps.isSharedUser()) { 11302 origPermissions = new PermissionsState(permissionsState); 11303 permissionsState.reset(); 11304 } else { 11305 // We need to know only about runtime permission changes since the 11306 // calling code always writes the install permissions state but 11307 // the runtime ones are written only if changed. The only cases of 11308 // changed runtime permissions here are promotion of an install to 11309 // runtime and revocation of a runtime from a shared user. 11310 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 11311 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 11312 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 11313 runtimePermissionsRevoked = true; 11314 } 11315 } 11316 } 11317 11318 permissionsState.setGlobalGids(mGlobalGids); 11319 11320 final int N = pkg.requestedPermissions.size(); 11321 for (int i=0; i<N; i++) { 11322 final String name = pkg.requestedPermissions.get(i); 11323 final BasePermission bp = mSettings.mPermissions.get(name); 11324 11325 if (DEBUG_INSTALL) { 11326 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 11327 } 11328 11329 if (bp == null || bp.packageSetting == null) { 11330 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11331 Slog.w(TAG, "Unknown permission " + name 11332 + " in package " + pkg.packageName); 11333 } 11334 continue; 11335 } 11336 11337 11338 // Limit ephemeral apps to ephemeral allowed permissions. 11339 if (pkg.applicationInfo.isInstantApp() && !bp.isInstant()) { 11340 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 11341 + pkg.packageName); 11342 continue; 11343 } 11344 11345 final String perm = bp.name; 11346 boolean allowedSig = false; 11347 int grant = GRANT_DENIED; 11348 11349 // Keep track of app op permissions. 11350 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11351 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 11352 if (pkgs == null) { 11353 pkgs = new ArraySet<>(); 11354 mAppOpPermissionPackages.put(bp.name, pkgs); 11355 } 11356 pkgs.add(pkg.packageName); 11357 } 11358 11359 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 11360 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 11361 >= Build.VERSION_CODES.M; 11362 switch (level) { 11363 case PermissionInfo.PROTECTION_NORMAL: { 11364 // For all apps normal permissions are install time ones. 11365 grant = GRANT_INSTALL; 11366 } break; 11367 11368 case PermissionInfo.PROTECTION_DANGEROUS: { 11369 // If a permission review is required for legacy apps we represent 11370 // their permissions as always granted runtime ones since we need 11371 // to keep the review required permission flag per user while an 11372 // install permission's state is shared across all users. 11373 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 11374 // For legacy apps dangerous permissions are install time ones. 11375 grant = GRANT_INSTALL; 11376 } else if (origPermissions.hasInstallPermission(bp.name)) { 11377 // For legacy apps that became modern, install becomes runtime. 11378 grant = GRANT_UPGRADE; 11379 } else if (mPromoteSystemApps 11380 && isSystemApp(ps) 11381 && mExistingSystemPackages.contains(ps.name)) { 11382 // For legacy system apps, install becomes runtime. 11383 // We cannot check hasInstallPermission() for system apps since those 11384 // permissions were granted implicitly and not persisted pre-M. 11385 grant = GRANT_UPGRADE; 11386 } else { 11387 // For modern apps keep runtime permissions unchanged. 11388 grant = GRANT_RUNTIME; 11389 } 11390 } break; 11391 11392 case PermissionInfo.PROTECTION_SIGNATURE: { 11393 // For all apps signature permissions are install time ones. 11394 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 11395 if (allowedSig) { 11396 grant = GRANT_INSTALL; 11397 } 11398 } break; 11399 } 11400 11401 if (DEBUG_INSTALL) { 11402 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 11403 } 11404 11405 if (grant != GRANT_DENIED) { 11406 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 11407 // If this is an existing, non-system package, then 11408 // we can't add any new permissions to it. 11409 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 11410 // Except... if this is a permission that was added 11411 // to the platform (note: need to only do this when 11412 // updating the platform). 11413 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 11414 grant = GRANT_DENIED; 11415 } 11416 } 11417 } 11418 11419 switch (grant) { 11420 case GRANT_INSTALL: { 11421 // Revoke this as runtime permission to handle the case of 11422 // a runtime permission being downgraded to an install one. 11423 // Also in permission review mode we keep dangerous permissions 11424 // for legacy apps 11425 for (int userId : UserManagerService.getInstance().getUserIds()) { 11426 if (origPermissions.getRuntimePermissionState( 11427 bp.name, userId) != null) { 11428 // Revoke the runtime permission and clear the flags. 11429 origPermissions.revokeRuntimePermission(bp, userId); 11430 origPermissions.updatePermissionFlags(bp, userId, 11431 PackageManager.MASK_PERMISSION_FLAGS, 0); 11432 // If we revoked a permission permission, we have to write. 11433 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11434 changedRuntimePermissionUserIds, userId); 11435 } 11436 } 11437 // Grant an install permission. 11438 if (permissionsState.grantInstallPermission(bp) != 11439 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11440 changedInstallPermission = true; 11441 } 11442 } break; 11443 11444 case GRANT_RUNTIME: { 11445 // Grant previously granted runtime permissions. 11446 for (int userId : UserManagerService.getInstance().getUserIds()) { 11447 PermissionState permissionState = origPermissions 11448 .getRuntimePermissionState(bp.name, userId); 11449 int flags = permissionState != null 11450 ? permissionState.getFlags() : 0; 11451 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 11452 // Don't propagate the permission in a permission review mode if 11453 // the former was revoked, i.e. marked to not propagate on upgrade. 11454 // Note that in a permission review mode install permissions are 11455 // represented as constantly granted runtime ones since we need to 11456 // keep a per user state associated with the permission. Also the 11457 // revoke on upgrade flag is no longer applicable and is reset. 11458 final boolean revokeOnUpgrade = (flags & PackageManager 11459 .FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 11460 if (revokeOnUpgrade) { 11461 flags &= ~PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 11462 // Since we changed the flags, we have to write. 11463 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11464 changedRuntimePermissionUserIds, userId); 11465 } 11466 if (!mPermissionReviewRequired || !revokeOnUpgrade) { 11467 if (permissionsState.grantRuntimePermission(bp, userId) == 11468 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11469 // If we cannot put the permission as it was, 11470 // we have to write. 11471 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11472 changedRuntimePermissionUserIds, userId); 11473 } 11474 } 11475 11476 // If the app supports runtime permissions no need for a review. 11477 if (mPermissionReviewRequired 11478 && appSupportsRuntimePermissions 11479 && (flags & PackageManager 11480 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 11481 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 11482 // Since we changed the flags, we have to write. 11483 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11484 changedRuntimePermissionUserIds, userId); 11485 } 11486 } else if (mPermissionReviewRequired 11487 && !appSupportsRuntimePermissions) { 11488 // For legacy apps that need a permission review, every new 11489 // runtime permission is granted but it is pending a review. 11490 // We also need to review only platform defined runtime 11491 // permissions as these are the only ones the platform knows 11492 // how to disable the API to simulate revocation as legacy 11493 // apps don't expect to run with revoked permissions. 11494 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 11495 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 11496 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 11497 // We changed the flags, hence have to write. 11498 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11499 changedRuntimePermissionUserIds, userId); 11500 } 11501 } 11502 if (permissionsState.grantRuntimePermission(bp, userId) 11503 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11504 // We changed the permission, hence have to write. 11505 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11506 changedRuntimePermissionUserIds, userId); 11507 } 11508 } 11509 // Propagate the permission flags. 11510 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 11511 } 11512 } break; 11513 11514 case GRANT_UPGRADE: { 11515 // Grant runtime permissions for a previously held install permission. 11516 PermissionState permissionState = origPermissions 11517 .getInstallPermissionState(bp.name); 11518 final int flags = permissionState != null ? permissionState.getFlags() : 0; 11519 11520 if (origPermissions.revokeInstallPermission(bp) 11521 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11522 // We will be transferring the permission flags, so clear them. 11523 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 11524 PackageManager.MASK_PERMISSION_FLAGS, 0); 11525 changedInstallPermission = true; 11526 } 11527 11528 // If the permission is not to be promoted to runtime we ignore it and 11529 // also its other flags as they are not applicable to install permissions. 11530 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 11531 for (int userId : currentUserIds) { 11532 if (permissionsState.grantRuntimePermission(bp, userId) != 11533 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11534 // Transfer the permission flags. 11535 permissionsState.updatePermissionFlags(bp, userId, 11536 flags, flags); 11537 // If we granted the permission, we have to write. 11538 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11539 changedRuntimePermissionUserIds, userId); 11540 } 11541 } 11542 } 11543 } break; 11544 11545 default: { 11546 if (packageOfInterest == null 11547 || packageOfInterest.equals(pkg.packageName)) { 11548 Slog.w(TAG, "Not granting permission " + perm 11549 + " to package " + pkg.packageName 11550 + " because it was previously installed without"); 11551 } 11552 } break; 11553 } 11554 } else { 11555 if (permissionsState.revokeInstallPermission(bp) != 11556 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11557 // Also drop the permission flags. 11558 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 11559 PackageManager.MASK_PERMISSION_FLAGS, 0); 11560 changedInstallPermission = true; 11561 Slog.i(TAG, "Un-granting permission " + perm 11562 + " from package " + pkg.packageName 11563 + " (protectionLevel=" + bp.protectionLevel 11564 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11565 + ")"); 11566 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 11567 // Don't print warning for app op permissions, since it is fine for them 11568 // not to be granted, there is a UI for the user to decide. 11569 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11570 Slog.w(TAG, "Not granting permission " + perm 11571 + " to package " + pkg.packageName 11572 + " (protectionLevel=" + bp.protectionLevel 11573 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11574 + ")"); 11575 } 11576 } 11577 } 11578 } 11579 11580 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 11581 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 11582 // This is the first that we have heard about this package, so the 11583 // permissions we have now selected are fixed until explicitly 11584 // changed. 11585 ps.installPermissionsFixed = true; 11586 } 11587 11588 // Persist the runtime permissions state for users with changes. If permissions 11589 // were revoked because no app in the shared user declares them we have to 11590 // write synchronously to avoid losing runtime permissions state. 11591 for (int userId : changedRuntimePermissionUserIds) { 11592 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 11593 } 11594 } 11595 11596 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 11597 boolean allowed = false; 11598 final int NP = PackageParser.NEW_PERMISSIONS.length; 11599 for (int ip=0; ip<NP; ip++) { 11600 final PackageParser.NewPermissionInfo npi 11601 = PackageParser.NEW_PERMISSIONS[ip]; 11602 if (npi.name.equals(perm) 11603 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 11604 allowed = true; 11605 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 11606 + pkg.packageName); 11607 break; 11608 } 11609 } 11610 return allowed; 11611 } 11612 11613 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 11614 BasePermission bp, PermissionsState origPermissions) { 11615 boolean privilegedPermission = (bp.protectionLevel 11616 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 11617 boolean privappPermissionsDisable = 11618 RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; 11619 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 11620 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 11621 if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivilegedApp() 11622 && !platformPackage && platformPermission) { 11623 ArraySet<String> wlPermissions = SystemConfig.getInstance() 11624 .getPrivAppPermissions(pkg.packageName); 11625 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 11626 if (!whitelisted) { 11627 Slog.w(TAG, "Privileged permission " + perm + " for package " 11628 + pkg.packageName + " - not in privapp-permissions whitelist"); 11629 // Only report violations for apps on system image 11630 if (!mSystemReady && !pkg.isUpdatedSystemApp()) { 11631 if (mPrivappPermissionsViolations == null) { 11632 mPrivappPermissionsViolations = new ArraySet<>(); 11633 } 11634 mPrivappPermissionsViolations.add(pkg.packageName + ": " + perm); 11635 } 11636 if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { 11637 return false; 11638 } 11639 } 11640 } 11641 boolean allowed = (compareSignatures( 11642 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 11643 == PackageManager.SIGNATURE_MATCH) 11644 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 11645 == PackageManager.SIGNATURE_MATCH); 11646 if (!allowed && privilegedPermission) { 11647 if (isSystemApp(pkg)) { 11648 // For updated system applications, a system permission 11649 // is granted only if it had been defined by the original application. 11650 if (pkg.isUpdatedSystemApp()) { 11651 final PackageSetting sysPs = mSettings 11652 .getDisabledSystemPkgLPr(pkg.packageName); 11653 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 11654 // If the original was granted this permission, we take 11655 // that grant decision as read and propagate it to the 11656 // update. 11657 if (sysPs.isPrivileged()) { 11658 allowed = true; 11659 } 11660 } else { 11661 // The system apk may have been updated with an older 11662 // version of the one on the data partition, but which 11663 // granted a new system permission that it didn't have 11664 // before. In this case we do want to allow the app to 11665 // now get the new permission if the ancestral apk is 11666 // privileged to get it. 11667 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 11668 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 11669 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 11670 allowed = true; 11671 break; 11672 } 11673 } 11674 } 11675 // Also if a privileged parent package on the system image or any of 11676 // its children requested a privileged permission, the updated child 11677 // packages can also get the permission. 11678 if (pkg.parentPackage != null) { 11679 final PackageSetting disabledSysParentPs = mSettings 11680 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 11681 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 11682 && disabledSysParentPs.isPrivileged()) { 11683 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 11684 allowed = true; 11685 } else if (disabledSysParentPs.pkg.childPackages != null) { 11686 final int count = disabledSysParentPs.pkg.childPackages.size(); 11687 for (int i = 0; i < count; i++) { 11688 PackageParser.Package disabledSysChildPkg = 11689 disabledSysParentPs.pkg.childPackages.get(i); 11690 if (isPackageRequestingPermission(disabledSysChildPkg, 11691 perm)) { 11692 allowed = true; 11693 break; 11694 } 11695 } 11696 } 11697 } 11698 } 11699 } 11700 } else { 11701 allowed = isPrivilegedApp(pkg); 11702 } 11703 } 11704 } 11705 if (!allowed) { 11706 if (!allowed && (bp.protectionLevel 11707 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 11708 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 11709 // If this was a previously normal/dangerous permission that got moved 11710 // to a system permission as part of the runtime permission redesign, then 11711 // we still want to blindly grant it to old apps. 11712 allowed = true; 11713 } 11714 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 11715 && pkg.packageName.equals(mRequiredInstallerPackage)) { 11716 // If this permission is to be granted to the system installer and 11717 // this app is an installer, then it gets the permission. 11718 allowed = true; 11719 } 11720 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 11721 && pkg.packageName.equals(mRequiredVerifierPackage)) { 11722 // If this permission is to be granted to the system verifier and 11723 // this app is a verifier, then it gets the permission. 11724 allowed = true; 11725 } 11726 if (!allowed && (bp.protectionLevel 11727 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 11728 && isSystemApp(pkg)) { 11729 // Any pre-installed system app is allowed to get this permission. 11730 allowed = true; 11731 } 11732 if (!allowed && (bp.protectionLevel 11733 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 11734 // For development permissions, a development permission 11735 // is granted only if it was already granted. 11736 allowed = origPermissions.hasInstallPermission(perm); 11737 } 11738 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 11739 && pkg.packageName.equals(mSetupWizardPackage)) { 11740 // If this permission is to be granted to the system setup wizard and 11741 // this app is a setup wizard, then it gets the permission. 11742 allowed = true; 11743 } 11744 } 11745 return allowed; 11746 } 11747 11748 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 11749 final int permCount = pkg.requestedPermissions.size(); 11750 for (int j = 0; j < permCount; j++) { 11751 String requestedPermission = pkg.requestedPermissions.get(j); 11752 if (permission.equals(requestedPermission)) { 11753 return true; 11754 } 11755 } 11756 return false; 11757 } 11758 11759 final class ActivityIntentResolver 11760 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 11761 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11762 boolean defaultOnly, int userId) { 11763 if (!sUserManager.exists(userId)) return null; 11764 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0); 11765 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11766 } 11767 11768 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11769 int userId) { 11770 if (!sUserManager.exists(userId)) return null; 11771 mFlags = flags; 11772 return super.queryIntent(intent, resolvedType, 11773 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11774 userId); 11775 } 11776 11777 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11778 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 11779 if (!sUserManager.exists(userId)) return null; 11780 if (packageActivities == null) { 11781 return null; 11782 } 11783 mFlags = flags; 11784 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11785 final int N = packageActivities.size(); 11786 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 11787 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 11788 11789 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 11790 for (int i = 0; i < N; ++i) { 11791 intentFilters = packageActivities.get(i).intents; 11792 if (intentFilters != null && intentFilters.size() > 0) { 11793 PackageParser.ActivityIntentInfo[] array = 11794 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 11795 intentFilters.toArray(array); 11796 listCut.add(array); 11797 } 11798 } 11799 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11800 } 11801 11802 /** 11803 * Finds a privileged activity that matches the specified activity names. 11804 */ 11805 private PackageParser.Activity findMatchingActivity( 11806 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 11807 for (PackageParser.Activity sysActivity : activityList) { 11808 if (sysActivity.info.name.equals(activityInfo.name)) { 11809 return sysActivity; 11810 } 11811 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 11812 return sysActivity; 11813 } 11814 if (sysActivity.info.targetActivity != null) { 11815 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 11816 return sysActivity; 11817 } 11818 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 11819 return sysActivity; 11820 } 11821 } 11822 } 11823 return null; 11824 } 11825 11826 public class IterGenerator<E> { 11827 public Iterator<E> generate(ActivityIntentInfo info) { 11828 return null; 11829 } 11830 } 11831 11832 public class ActionIterGenerator extends IterGenerator<String> { 11833 @Override 11834 public Iterator<String> generate(ActivityIntentInfo info) { 11835 return info.actionsIterator(); 11836 } 11837 } 11838 11839 public class CategoriesIterGenerator extends IterGenerator<String> { 11840 @Override 11841 public Iterator<String> generate(ActivityIntentInfo info) { 11842 return info.categoriesIterator(); 11843 } 11844 } 11845 11846 public class SchemesIterGenerator extends IterGenerator<String> { 11847 @Override 11848 public Iterator<String> generate(ActivityIntentInfo info) { 11849 return info.schemesIterator(); 11850 } 11851 } 11852 11853 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 11854 @Override 11855 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 11856 return info.authoritiesIterator(); 11857 } 11858 } 11859 11860 /** 11861 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 11862 * MODIFIED. Do not pass in a list that should not be changed. 11863 */ 11864 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 11865 IterGenerator<T> generator, Iterator<T> searchIterator) { 11866 // loop through the set of actions; every one must be found in the intent filter 11867 while (searchIterator.hasNext()) { 11868 // we must have at least one filter in the list to consider a match 11869 if (intentList.size() == 0) { 11870 break; 11871 } 11872 11873 final T searchAction = searchIterator.next(); 11874 11875 // loop through the set of intent filters 11876 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 11877 while (intentIter.hasNext()) { 11878 final ActivityIntentInfo intentInfo = intentIter.next(); 11879 boolean selectionFound = false; 11880 11881 // loop through the intent filter's selection criteria; at least one 11882 // of them must match the searched criteria 11883 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 11884 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 11885 final T intentSelection = intentSelectionIter.next(); 11886 if (intentSelection != null && intentSelection.equals(searchAction)) { 11887 selectionFound = true; 11888 break; 11889 } 11890 } 11891 11892 // the selection criteria wasn't found in this filter's set; this filter 11893 // is not a potential match 11894 if (!selectionFound) { 11895 intentIter.remove(); 11896 } 11897 } 11898 } 11899 } 11900 11901 private boolean isProtectedAction(ActivityIntentInfo filter) { 11902 final Iterator<String> actionsIter = filter.actionsIterator(); 11903 while (actionsIter != null && actionsIter.hasNext()) { 11904 final String filterAction = actionsIter.next(); 11905 if (PROTECTED_ACTIONS.contains(filterAction)) { 11906 return true; 11907 } 11908 } 11909 return false; 11910 } 11911 11912 /** 11913 * Adjusts the priority of the given intent filter according to policy. 11914 * <p> 11915 * <ul> 11916 * <li>The priority for non privileged applications is capped to '0'</li> 11917 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 11918 * <li>The priority for unbundled updates to privileged applications is capped to the 11919 * priority defined on the system partition</li> 11920 * </ul> 11921 * <p> 11922 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 11923 * allowed to obtain any priority on any action. 11924 */ 11925 private void adjustPriority( 11926 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 11927 // nothing to do; priority is fine as-is 11928 if (intent.getPriority() <= 0) { 11929 return; 11930 } 11931 11932 final ActivityInfo activityInfo = intent.activity.info; 11933 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 11934 11935 final boolean privilegedApp = 11936 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 11937 if (!privilegedApp) { 11938 // non-privileged applications can never define a priority >0 11939 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 11940 + " package: " + applicationInfo.packageName 11941 + " activity: " + intent.activity.className 11942 + " origPrio: " + intent.getPriority()); 11943 intent.setPriority(0); 11944 return; 11945 } 11946 11947 if (systemActivities == null) { 11948 // the system package is not disabled; we're parsing the system partition 11949 if (isProtectedAction(intent)) { 11950 if (mDeferProtectedFilters) { 11951 // We can't deal with these just yet. No component should ever obtain a 11952 // >0 priority for a protected actions, with ONE exception -- the setup 11953 // wizard. The setup wizard, however, cannot be known until we're able to 11954 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 11955 // until all intent filters have been processed. Chicken, meet egg. 11956 // Let the filter temporarily have a high priority and rectify the 11957 // priorities after all system packages have been scanned. 11958 mProtectedFilters.add(intent); 11959 if (DEBUG_FILTERS) { 11960 Slog.i(TAG, "Protected action; save for later;" 11961 + " package: " + applicationInfo.packageName 11962 + " activity: " + intent.activity.className 11963 + " origPrio: " + intent.getPriority()); 11964 } 11965 return; 11966 } else { 11967 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 11968 Slog.i(TAG, "No setup wizard;" 11969 + " All protected intents capped to priority 0"); 11970 } 11971 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 11972 if (DEBUG_FILTERS) { 11973 Slog.i(TAG, "Found setup wizard;" 11974 + " allow priority " + intent.getPriority() + ";" 11975 + " package: " + intent.activity.info.packageName 11976 + " activity: " + intent.activity.className 11977 + " priority: " + intent.getPriority()); 11978 } 11979 // setup wizard gets whatever it wants 11980 return; 11981 } 11982 Slog.w(TAG, "Protected action; cap priority to 0;" 11983 + " package: " + intent.activity.info.packageName 11984 + " activity: " + intent.activity.className 11985 + " origPrio: " + intent.getPriority()); 11986 intent.setPriority(0); 11987 return; 11988 } 11989 } 11990 // privileged apps on the system image get whatever priority they request 11991 return; 11992 } 11993 11994 // privileged app unbundled update ... try to find the same activity 11995 final PackageParser.Activity foundActivity = 11996 findMatchingActivity(systemActivities, activityInfo); 11997 if (foundActivity == null) { 11998 // this is a new activity; it cannot obtain >0 priority 11999 if (DEBUG_FILTERS) { 12000 Slog.i(TAG, "New activity; cap priority to 0;" 12001 + " package: " + applicationInfo.packageName 12002 + " activity: " + intent.activity.className 12003 + " origPrio: " + intent.getPriority()); 12004 } 12005 intent.setPriority(0); 12006 return; 12007 } 12008 12009 // found activity, now check for filter equivalence 12010 12011 // a shallow copy is enough; we modify the list, not its contents 12012 final List<ActivityIntentInfo> intentListCopy = 12013 new ArrayList<>(foundActivity.intents); 12014 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 12015 12016 // find matching action subsets 12017 final Iterator<String> actionsIterator = intent.actionsIterator(); 12018 if (actionsIterator != null) { 12019 getIntentListSubset( 12020 intentListCopy, new ActionIterGenerator(), actionsIterator); 12021 if (intentListCopy.size() == 0) { 12022 // no more intents to match; we're not equivalent 12023 if (DEBUG_FILTERS) { 12024 Slog.i(TAG, "Mismatched action; 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 category subsets 12035 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 12036 if (categoriesIterator != null) { 12037 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 12038 categoriesIterator); 12039 if (intentListCopy.size() == 0) { 12040 // no more intents to match; we're not equivalent 12041 if (DEBUG_FILTERS) { 12042 Slog.i(TAG, "Mismatched category; cap priority to 0;" 12043 + " package: " + applicationInfo.packageName 12044 + " activity: " + intent.activity.className 12045 + " origPrio: " + intent.getPriority()); 12046 } 12047 intent.setPriority(0); 12048 return; 12049 } 12050 } 12051 12052 // find matching schemes subsets 12053 final Iterator<String> schemesIterator = intent.schemesIterator(); 12054 if (schemesIterator != null) { 12055 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 12056 schemesIterator); 12057 if (intentListCopy.size() == 0) { 12058 // no more intents to match; we're not equivalent 12059 if (DEBUG_FILTERS) { 12060 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 12061 + " package: " + applicationInfo.packageName 12062 + " activity: " + intent.activity.className 12063 + " origPrio: " + intent.getPriority()); 12064 } 12065 intent.setPriority(0); 12066 return; 12067 } 12068 } 12069 12070 // find matching authorities subsets 12071 final Iterator<IntentFilter.AuthorityEntry> 12072 authoritiesIterator = intent.authoritiesIterator(); 12073 if (authoritiesIterator != null) { 12074 getIntentListSubset(intentListCopy, 12075 new AuthoritiesIterGenerator(), 12076 authoritiesIterator); 12077 if (intentListCopy.size() == 0) { 12078 // no more intents to match; we're not equivalent 12079 if (DEBUG_FILTERS) { 12080 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 12081 + " package: " + applicationInfo.packageName 12082 + " activity: " + intent.activity.className 12083 + " origPrio: " + intent.getPriority()); 12084 } 12085 intent.setPriority(0); 12086 return; 12087 } 12088 } 12089 12090 // we found matching filter(s); app gets the max priority of all intents 12091 int cappedPriority = 0; 12092 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 12093 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 12094 } 12095 if (intent.getPriority() > cappedPriority) { 12096 if (DEBUG_FILTERS) { 12097 Slog.i(TAG, "Found matching filter(s);" 12098 + " cap priority to " + cappedPriority + ";" 12099 + " package: " + applicationInfo.packageName 12100 + " activity: " + intent.activity.className 12101 + " origPrio: " + intent.getPriority()); 12102 } 12103 intent.setPriority(cappedPriority); 12104 return; 12105 } 12106 // all this for nothing; the requested priority was <= what was on the system 12107 } 12108 12109 public final void addActivity(PackageParser.Activity a, String type) { 12110 mActivities.put(a.getComponentName(), a); 12111 if (DEBUG_SHOW_INFO) 12112 Log.v( 12113 TAG, " " + type + " " + 12114 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 12115 if (DEBUG_SHOW_INFO) 12116 Log.v(TAG, " Class=" + a.info.name); 12117 final int NI = a.intents.size(); 12118 for (int j=0; j<NI; j++) { 12119 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12120 if ("activity".equals(type)) { 12121 final PackageSetting ps = 12122 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 12123 final List<PackageParser.Activity> systemActivities = 12124 ps != null && ps.pkg != null ? ps.pkg.activities : null; 12125 adjustPriority(systemActivities, intent); 12126 } 12127 if (DEBUG_SHOW_INFO) { 12128 Log.v(TAG, " IntentFilter:"); 12129 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12130 } 12131 if (!intent.debugCheck()) { 12132 Log.w(TAG, "==> For Activity " + a.info.name); 12133 } 12134 addFilter(intent); 12135 } 12136 } 12137 12138 public final void removeActivity(PackageParser.Activity a, String type) { 12139 mActivities.remove(a.getComponentName()); 12140 if (DEBUG_SHOW_INFO) { 12141 Log.v(TAG, " " + type + " " 12142 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 12143 : a.info.name) + ":"); 12144 Log.v(TAG, " Class=" + a.info.name); 12145 } 12146 final int NI = a.intents.size(); 12147 for (int j=0; j<NI; j++) { 12148 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12149 if (DEBUG_SHOW_INFO) { 12150 Log.v(TAG, " IntentFilter:"); 12151 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12152 } 12153 removeFilter(intent); 12154 } 12155 } 12156 12157 @Override 12158 protected boolean allowFilterResult( 12159 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 12160 ActivityInfo filterAi = filter.activity.info; 12161 for (int i=dest.size()-1; i>=0; i--) { 12162 ActivityInfo destAi = dest.get(i).activityInfo; 12163 if (destAi.name == filterAi.name 12164 && destAi.packageName == filterAi.packageName) { 12165 return false; 12166 } 12167 } 12168 return true; 12169 } 12170 12171 @Override 12172 protected ActivityIntentInfo[] newArray(int size) { 12173 return new ActivityIntentInfo[size]; 12174 } 12175 12176 @Override 12177 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 12178 if (!sUserManager.exists(userId)) return true; 12179 PackageParser.Package p = filter.activity.owner; 12180 if (p != null) { 12181 PackageSetting ps = (PackageSetting)p.mExtras; 12182 if (ps != null) { 12183 // System apps are never considered stopped for purposes of 12184 // filtering, because there may be no way for the user to 12185 // actually re-launch them. 12186 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 12187 && ps.getStopped(userId); 12188 } 12189 } 12190 return false; 12191 } 12192 12193 @Override 12194 protected boolean isPackageForFilter(String packageName, 12195 PackageParser.ActivityIntentInfo info) { 12196 return packageName.equals(info.activity.owner.packageName); 12197 } 12198 12199 @Override 12200 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 12201 int match, int userId) { 12202 if (!sUserManager.exists(userId)) return null; 12203 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 12204 return null; 12205 } 12206 final PackageParser.Activity activity = info.activity; 12207 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 12208 if (ps == null) { 12209 return null; 12210 } 12211 final PackageUserState userState = ps.readUserState(userId); 12212 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 12213 userState, userId); 12214 if (ai == null) { 12215 return null; 12216 } 12217 final boolean matchVisibleToInstantApp = 12218 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12219 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12220 // throw out filters that aren't visible to ephemeral apps 12221 if (matchVisibleToInstantApp 12222 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 12223 return null; 12224 } 12225 // throw out ephemeral filters if we're not explicitly requesting them 12226 if (!isInstantApp && userState.instantApp) { 12227 return null; 12228 } 12229 // throw out instant app filters if updates are available; will trigger 12230 // instant app resolution 12231 if (userState.instantApp && ps.isUpdateAvailable()) { 12232 return null; 12233 } 12234 final ResolveInfo res = new ResolveInfo(); 12235 res.activityInfo = ai; 12236 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12237 res.filter = info; 12238 } 12239 if (info != null) { 12240 res.handleAllWebDataURI = info.handleAllWebDataURI(); 12241 } 12242 res.priority = info.getPriority(); 12243 res.preferredOrder = activity.owner.mPreferredOrder; 12244 //System.out.println("Result: " + res.activityInfo.className + 12245 // " = " + res.priority); 12246 res.match = match; 12247 res.isDefault = info.hasDefault; 12248 res.labelRes = info.labelRes; 12249 res.nonLocalizedLabel = info.nonLocalizedLabel; 12250 if (userNeedsBadging(userId)) { 12251 res.noResourceId = true; 12252 } else { 12253 res.icon = info.icon; 12254 } 12255 res.iconResourceId = info.icon; 12256 res.system = res.activityInfo.applicationInfo.isSystemApp(); 12257 res.instantAppAvailable = userState.instantApp; 12258 return res; 12259 } 12260 12261 @Override 12262 protected void sortResults(List<ResolveInfo> results) { 12263 Collections.sort(results, mResolvePrioritySorter); 12264 } 12265 12266 @Override 12267 protected void dumpFilter(PrintWriter out, String prefix, 12268 PackageParser.ActivityIntentInfo filter) { 12269 out.print(prefix); out.print( 12270 Integer.toHexString(System.identityHashCode(filter.activity))); 12271 out.print(' '); 12272 filter.activity.printComponentShortName(out); 12273 out.print(" filter "); 12274 out.println(Integer.toHexString(System.identityHashCode(filter))); 12275 } 12276 12277 @Override 12278 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 12279 return filter.activity; 12280 } 12281 12282 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12283 PackageParser.Activity activity = (PackageParser.Activity)label; 12284 out.print(prefix); out.print( 12285 Integer.toHexString(System.identityHashCode(activity))); 12286 out.print(' '); 12287 activity.printComponentShortName(out); 12288 if (count > 1) { 12289 out.print(" ("); out.print(count); out.print(" filters)"); 12290 } 12291 out.println(); 12292 } 12293 12294 // Keys are String (activity class name), values are Activity. 12295 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 12296 = new ArrayMap<ComponentName, PackageParser.Activity>(); 12297 private int mFlags; 12298 } 12299 12300 private final class ServiceIntentResolver 12301 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 12302 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12303 boolean defaultOnly, int userId) { 12304 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12305 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12306 } 12307 12308 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12309 int userId) { 12310 if (!sUserManager.exists(userId)) return null; 12311 mFlags = flags; 12312 return super.queryIntent(intent, resolvedType, 12313 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12314 userId); 12315 } 12316 12317 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12318 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 12319 if (!sUserManager.exists(userId)) return null; 12320 if (packageServices == null) { 12321 return null; 12322 } 12323 mFlags = flags; 12324 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 12325 final int N = packageServices.size(); 12326 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 12327 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 12328 12329 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 12330 for (int i = 0; i < N; ++i) { 12331 intentFilters = packageServices.get(i).intents; 12332 if (intentFilters != null && intentFilters.size() > 0) { 12333 PackageParser.ServiceIntentInfo[] array = 12334 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 12335 intentFilters.toArray(array); 12336 listCut.add(array); 12337 } 12338 } 12339 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12340 } 12341 12342 public final void addService(PackageParser.Service s) { 12343 mServices.put(s.getComponentName(), s); 12344 if (DEBUG_SHOW_INFO) { 12345 Log.v(TAG, " " 12346 + (s.info.nonLocalizedLabel != null 12347 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12348 Log.v(TAG, " Class=" + s.info.name); 12349 } 12350 final int NI = s.intents.size(); 12351 int j; 12352 for (j=0; j<NI; j++) { 12353 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12354 if (DEBUG_SHOW_INFO) { 12355 Log.v(TAG, " IntentFilter:"); 12356 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12357 } 12358 if (!intent.debugCheck()) { 12359 Log.w(TAG, "==> For Service " + s.info.name); 12360 } 12361 addFilter(intent); 12362 } 12363 } 12364 12365 public final void removeService(PackageParser.Service s) { 12366 mServices.remove(s.getComponentName()); 12367 if (DEBUG_SHOW_INFO) { 12368 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 12369 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12370 Log.v(TAG, " Class=" + s.info.name); 12371 } 12372 final int NI = s.intents.size(); 12373 int j; 12374 for (j=0; j<NI; j++) { 12375 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12376 if (DEBUG_SHOW_INFO) { 12377 Log.v(TAG, " IntentFilter:"); 12378 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12379 } 12380 removeFilter(intent); 12381 } 12382 } 12383 12384 @Override 12385 protected boolean allowFilterResult( 12386 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 12387 ServiceInfo filterSi = filter.service.info; 12388 for (int i=dest.size()-1; i>=0; i--) { 12389 ServiceInfo destAi = dest.get(i).serviceInfo; 12390 if (destAi.name == filterSi.name 12391 && destAi.packageName == filterSi.packageName) { 12392 return false; 12393 } 12394 } 12395 return true; 12396 } 12397 12398 @Override 12399 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 12400 return new PackageParser.ServiceIntentInfo[size]; 12401 } 12402 12403 @Override 12404 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 12405 if (!sUserManager.exists(userId)) return true; 12406 PackageParser.Package p = filter.service.owner; 12407 if (p != null) { 12408 PackageSetting ps = (PackageSetting)p.mExtras; 12409 if (ps != null) { 12410 // System apps are never considered stopped for purposes of 12411 // filtering, because there may be no way for the user to 12412 // actually re-launch them. 12413 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12414 && ps.getStopped(userId); 12415 } 12416 } 12417 return false; 12418 } 12419 12420 @Override 12421 protected boolean isPackageForFilter(String packageName, 12422 PackageParser.ServiceIntentInfo info) { 12423 return packageName.equals(info.service.owner.packageName); 12424 } 12425 12426 @Override 12427 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 12428 int match, int userId) { 12429 if (!sUserManager.exists(userId)) return null; 12430 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 12431 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 12432 return null; 12433 } 12434 final PackageParser.Service service = info.service; 12435 PackageSetting ps = (PackageSetting) service.owner.mExtras; 12436 if (ps == null) { 12437 return null; 12438 } 12439 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 12440 ps.readUserState(userId), userId); 12441 if (si == null) { 12442 return null; 12443 } 12444 final ResolveInfo res = new ResolveInfo(); 12445 res.serviceInfo = si; 12446 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12447 res.filter = filter; 12448 } 12449 res.priority = info.getPriority(); 12450 res.preferredOrder = service.owner.mPreferredOrder; 12451 res.match = match; 12452 res.isDefault = info.hasDefault; 12453 res.labelRes = info.labelRes; 12454 res.nonLocalizedLabel = info.nonLocalizedLabel; 12455 res.icon = info.icon; 12456 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 12457 return res; 12458 } 12459 12460 @Override 12461 protected void sortResults(List<ResolveInfo> results) { 12462 Collections.sort(results, mResolvePrioritySorter); 12463 } 12464 12465 @Override 12466 protected void dumpFilter(PrintWriter out, String prefix, 12467 PackageParser.ServiceIntentInfo filter) { 12468 out.print(prefix); out.print( 12469 Integer.toHexString(System.identityHashCode(filter.service))); 12470 out.print(' '); 12471 filter.service.printComponentShortName(out); 12472 out.print(" filter "); 12473 out.println(Integer.toHexString(System.identityHashCode(filter))); 12474 } 12475 12476 @Override 12477 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 12478 return filter.service; 12479 } 12480 12481 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12482 PackageParser.Service service = (PackageParser.Service)label; 12483 out.print(prefix); out.print( 12484 Integer.toHexString(System.identityHashCode(service))); 12485 out.print(' '); 12486 service.printComponentShortName(out); 12487 if (count > 1) { 12488 out.print(" ("); out.print(count); out.print(" filters)"); 12489 } 12490 out.println(); 12491 } 12492 12493// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 12494// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 12495// final List<ResolveInfo> retList = Lists.newArrayList(); 12496// while (i.hasNext()) { 12497// final ResolveInfo resolveInfo = (ResolveInfo) i; 12498// if (isEnabledLP(resolveInfo.serviceInfo)) { 12499// retList.add(resolveInfo); 12500// } 12501// } 12502// return retList; 12503// } 12504 12505 // Keys are String (activity class name), values are Activity. 12506 private final ArrayMap<ComponentName, PackageParser.Service> mServices 12507 = new ArrayMap<ComponentName, PackageParser.Service>(); 12508 private int mFlags; 12509 } 12510 12511 private final class ProviderIntentResolver 12512 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 12513 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12514 boolean defaultOnly, int userId) { 12515 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12516 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12517 } 12518 12519 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12520 int userId) { 12521 if (!sUserManager.exists(userId)) 12522 return null; 12523 mFlags = flags; 12524 return super.queryIntent(intent, resolvedType, 12525 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12526 userId); 12527 } 12528 12529 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12530 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 12531 if (!sUserManager.exists(userId)) 12532 return null; 12533 if (packageProviders == null) { 12534 return null; 12535 } 12536 mFlags = flags; 12537 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12538 final int N = packageProviders.size(); 12539 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 12540 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 12541 12542 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 12543 for (int i = 0; i < N; ++i) { 12544 intentFilters = packageProviders.get(i).intents; 12545 if (intentFilters != null && intentFilters.size() > 0) { 12546 PackageParser.ProviderIntentInfo[] array = 12547 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 12548 intentFilters.toArray(array); 12549 listCut.add(array); 12550 } 12551 } 12552 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12553 } 12554 12555 public final void addProvider(PackageParser.Provider p) { 12556 if (mProviders.containsKey(p.getComponentName())) { 12557 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 12558 return; 12559 } 12560 12561 mProviders.put(p.getComponentName(), p); 12562 if (DEBUG_SHOW_INFO) { 12563 Log.v(TAG, " " 12564 + (p.info.nonLocalizedLabel != null 12565 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12566 Log.v(TAG, " Class=" + p.info.name); 12567 } 12568 final int NI = p.intents.size(); 12569 int j; 12570 for (j = 0; j < NI; j++) { 12571 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12572 if (DEBUG_SHOW_INFO) { 12573 Log.v(TAG, " IntentFilter:"); 12574 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12575 } 12576 if (!intent.debugCheck()) { 12577 Log.w(TAG, "==> For Provider " + p.info.name); 12578 } 12579 addFilter(intent); 12580 } 12581 } 12582 12583 public final void removeProvider(PackageParser.Provider p) { 12584 mProviders.remove(p.getComponentName()); 12585 if (DEBUG_SHOW_INFO) { 12586 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 12587 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12588 Log.v(TAG, " Class=" + p.info.name); 12589 } 12590 final int NI = p.intents.size(); 12591 int j; 12592 for (j = 0; j < NI; j++) { 12593 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12594 if (DEBUG_SHOW_INFO) { 12595 Log.v(TAG, " IntentFilter:"); 12596 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12597 } 12598 removeFilter(intent); 12599 } 12600 } 12601 12602 @Override 12603 protected boolean allowFilterResult( 12604 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 12605 ProviderInfo filterPi = filter.provider.info; 12606 for (int i = dest.size() - 1; i >= 0; i--) { 12607 ProviderInfo destPi = dest.get(i).providerInfo; 12608 if (destPi.name == filterPi.name 12609 && destPi.packageName == filterPi.packageName) { 12610 return false; 12611 } 12612 } 12613 return true; 12614 } 12615 12616 @Override 12617 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 12618 return new PackageParser.ProviderIntentInfo[size]; 12619 } 12620 12621 @Override 12622 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 12623 if (!sUserManager.exists(userId)) 12624 return true; 12625 PackageParser.Package p = filter.provider.owner; 12626 if (p != null) { 12627 PackageSetting ps = (PackageSetting) p.mExtras; 12628 if (ps != null) { 12629 // System apps are never considered stopped for purposes of 12630 // filtering, because there may be no way for the user to 12631 // actually re-launch them. 12632 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12633 && ps.getStopped(userId); 12634 } 12635 } 12636 return false; 12637 } 12638 12639 @Override 12640 protected boolean isPackageForFilter(String packageName, 12641 PackageParser.ProviderIntentInfo info) { 12642 return packageName.equals(info.provider.owner.packageName); 12643 } 12644 12645 @Override 12646 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 12647 int match, int userId) { 12648 if (!sUserManager.exists(userId)) 12649 return null; 12650 final PackageParser.ProviderIntentInfo info = filter; 12651 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 12652 return null; 12653 } 12654 final PackageParser.Provider provider = info.provider; 12655 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 12656 if (ps == null) { 12657 return null; 12658 } 12659 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 12660 ps.readUserState(userId), userId); 12661 if (pi == null) { 12662 return null; 12663 } 12664 final ResolveInfo res = new ResolveInfo(); 12665 res.providerInfo = pi; 12666 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 12667 res.filter = filter; 12668 } 12669 res.priority = info.getPriority(); 12670 res.preferredOrder = provider.owner.mPreferredOrder; 12671 res.match = match; 12672 res.isDefault = info.hasDefault; 12673 res.labelRes = info.labelRes; 12674 res.nonLocalizedLabel = info.nonLocalizedLabel; 12675 res.icon = info.icon; 12676 res.system = res.providerInfo.applicationInfo.isSystemApp(); 12677 return res; 12678 } 12679 12680 @Override 12681 protected void sortResults(List<ResolveInfo> results) { 12682 Collections.sort(results, mResolvePrioritySorter); 12683 } 12684 12685 @Override 12686 protected void dumpFilter(PrintWriter out, String prefix, 12687 PackageParser.ProviderIntentInfo filter) { 12688 out.print(prefix); 12689 out.print( 12690 Integer.toHexString(System.identityHashCode(filter.provider))); 12691 out.print(' '); 12692 filter.provider.printComponentShortName(out); 12693 out.print(" filter "); 12694 out.println(Integer.toHexString(System.identityHashCode(filter))); 12695 } 12696 12697 @Override 12698 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 12699 return filter.provider; 12700 } 12701 12702 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12703 PackageParser.Provider provider = (PackageParser.Provider)label; 12704 out.print(prefix); out.print( 12705 Integer.toHexString(System.identityHashCode(provider))); 12706 out.print(' '); 12707 provider.printComponentShortName(out); 12708 if (count > 1) { 12709 out.print(" ("); out.print(count); out.print(" filters)"); 12710 } 12711 out.println(); 12712 } 12713 12714 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 12715 = new ArrayMap<ComponentName, PackageParser.Provider>(); 12716 private int mFlags; 12717 } 12718 12719 static final class EphemeralIntentResolver 12720 extends IntentResolver<AuxiliaryResolveInfo, AuxiliaryResolveInfo> { 12721 /** 12722 * The result that has the highest defined order. Ordering applies on a 12723 * per-package basis. Mapping is from package name to Pair of order and 12724 * EphemeralResolveInfo. 12725 * <p> 12726 * NOTE: This is implemented as a field variable for convenience and efficiency. 12727 * By having a field variable, we're able to track filter ordering as soon as 12728 * a non-zero order is defined. Otherwise, multiple loops across the result set 12729 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 12730 * this needs to be contained entirely within {@link #filterResults}. 12731 */ 12732 final ArrayMap<String, Pair<Integer, InstantAppResolveInfo>> mOrderResult = new ArrayMap<>(); 12733 12734 @Override 12735 protected AuxiliaryResolveInfo[] newArray(int size) { 12736 return new AuxiliaryResolveInfo[size]; 12737 } 12738 12739 @Override 12740 protected boolean isPackageForFilter(String packageName, AuxiliaryResolveInfo responseObj) { 12741 return true; 12742 } 12743 12744 @Override 12745 protected AuxiliaryResolveInfo newResult(AuxiliaryResolveInfo responseObj, int match, 12746 int userId) { 12747 if (!sUserManager.exists(userId)) { 12748 return null; 12749 } 12750 final String packageName = responseObj.resolveInfo.getPackageName(); 12751 final Integer order = responseObj.getOrder(); 12752 final Pair<Integer, InstantAppResolveInfo> lastOrderResult = 12753 mOrderResult.get(packageName); 12754 // ordering is enabled and this item's order isn't high enough 12755 if (lastOrderResult != null && lastOrderResult.first >= order) { 12756 return null; 12757 } 12758 final InstantAppResolveInfo res = responseObj.resolveInfo; 12759 if (order > 0) { 12760 // non-zero order, enable ordering 12761 mOrderResult.put(packageName, new Pair<>(order, res)); 12762 } 12763 return responseObj; 12764 } 12765 12766 @Override 12767 protected void filterResults(List<AuxiliaryResolveInfo> results) { 12768 // only do work if ordering is enabled [most of the time it won't be] 12769 if (mOrderResult.size() == 0) { 12770 return; 12771 } 12772 int resultSize = results.size(); 12773 for (int i = 0; i < resultSize; i++) { 12774 final InstantAppResolveInfo info = results.get(i).resolveInfo; 12775 final String packageName = info.getPackageName(); 12776 final Pair<Integer, InstantAppResolveInfo> savedInfo = mOrderResult.get(packageName); 12777 if (savedInfo == null) { 12778 // package doesn't having ordering 12779 continue; 12780 } 12781 if (savedInfo.second == info) { 12782 // circled back to the highest ordered item; remove from order list 12783 mOrderResult.remove(savedInfo); 12784 if (mOrderResult.size() == 0) { 12785 // no more ordered items 12786 break; 12787 } 12788 continue; 12789 } 12790 // item has a worse order, remove it from the result list 12791 results.remove(i); 12792 resultSize--; 12793 i--; 12794 } 12795 } 12796 } 12797 12798 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 12799 new Comparator<ResolveInfo>() { 12800 public int compare(ResolveInfo r1, ResolveInfo r2) { 12801 int v1 = r1.priority; 12802 int v2 = r2.priority; 12803 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 12804 if (v1 != v2) { 12805 return (v1 > v2) ? -1 : 1; 12806 } 12807 v1 = r1.preferredOrder; 12808 v2 = r2.preferredOrder; 12809 if (v1 != v2) { 12810 return (v1 > v2) ? -1 : 1; 12811 } 12812 if (r1.isDefault != r2.isDefault) { 12813 return r1.isDefault ? -1 : 1; 12814 } 12815 v1 = r1.match; 12816 v2 = r2.match; 12817 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 12818 if (v1 != v2) { 12819 return (v1 > v2) ? -1 : 1; 12820 } 12821 if (r1.system != r2.system) { 12822 return r1.system ? -1 : 1; 12823 } 12824 if (r1.activityInfo != null) { 12825 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 12826 } 12827 if (r1.serviceInfo != null) { 12828 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 12829 } 12830 if (r1.providerInfo != null) { 12831 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 12832 } 12833 return 0; 12834 } 12835 }; 12836 12837 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 12838 new Comparator<ProviderInfo>() { 12839 public int compare(ProviderInfo p1, ProviderInfo p2) { 12840 final int v1 = p1.initOrder; 12841 final int v2 = p2.initOrder; 12842 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 12843 } 12844 }; 12845 12846 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 12847 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 12848 final int[] userIds) { 12849 mHandler.post(new Runnable() { 12850 @Override 12851 public void run() { 12852 try { 12853 final IActivityManager am = ActivityManager.getService(); 12854 if (am == null) return; 12855 final int[] resolvedUserIds; 12856 if (userIds == null) { 12857 resolvedUserIds = am.getRunningUserIds(); 12858 } else { 12859 resolvedUserIds = userIds; 12860 } 12861 for (int id : resolvedUserIds) { 12862 final Intent intent = new Intent(action, 12863 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 12864 if (extras != null) { 12865 intent.putExtras(extras); 12866 } 12867 if (targetPkg != null) { 12868 intent.setPackage(targetPkg); 12869 } 12870 // Modify the UID when posting to other users 12871 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 12872 if (uid > 0 && UserHandle.getUserId(uid) != id) { 12873 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 12874 intent.putExtra(Intent.EXTRA_UID, uid); 12875 } 12876 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 12877 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 12878 if (DEBUG_BROADCASTS) { 12879 RuntimeException here = new RuntimeException("here"); 12880 here.fillInStackTrace(); 12881 Slog.d(TAG, "Sending to user " + id + ": " 12882 + intent.toShortString(false, true, false, false) 12883 + " " + intent.getExtras(), here); 12884 } 12885 am.broadcastIntent(null, intent, null, finishedReceiver, 12886 0, null, null, null, android.app.AppOpsManager.OP_NONE, 12887 null, finishedReceiver != null, false, id); 12888 } 12889 } catch (RemoteException ex) { 12890 } 12891 } 12892 }); 12893 } 12894 12895 /** 12896 * Check if the external storage media is available. This is true if there 12897 * is a mounted external storage medium or if the external storage is 12898 * emulated. 12899 */ 12900 private boolean isExternalMediaAvailable() { 12901 return mMediaMounted || Environment.isExternalStorageEmulated(); 12902 } 12903 12904 @Override 12905 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 12906 // writer 12907 synchronized (mPackages) { 12908 if (!isExternalMediaAvailable()) { 12909 // If the external storage is no longer mounted at this point, 12910 // the caller may not have been able to delete all of this 12911 // packages files and can not delete any more. Bail. 12912 return null; 12913 } 12914 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 12915 if (lastPackage != null) { 12916 pkgs.remove(lastPackage); 12917 } 12918 if (pkgs.size() > 0) { 12919 return pkgs.get(0); 12920 } 12921 } 12922 return null; 12923 } 12924 12925 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 12926 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 12927 userId, andCode ? 1 : 0, packageName); 12928 if (mSystemReady) { 12929 msg.sendToTarget(); 12930 } else { 12931 if (mPostSystemReadyMessages == null) { 12932 mPostSystemReadyMessages = new ArrayList<>(); 12933 } 12934 mPostSystemReadyMessages.add(msg); 12935 } 12936 } 12937 12938 void startCleaningPackages() { 12939 // reader 12940 if (!isExternalMediaAvailable()) { 12941 return; 12942 } 12943 synchronized (mPackages) { 12944 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 12945 return; 12946 } 12947 } 12948 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 12949 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 12950 IActivityManager am = ActivityManager.getService(); 12951 if (am != null) { 12952 try { 12953 am.startService(null, intent, null, -1, null, mContext.getOpPackageName(), 12954 UserHandle.USER_SYSTEM); 12955 } catch (RemoteException e) { 12956 } 12957 } 12958 } 12959 12960 @Override 12961 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 12962 int installFlags, String installerPackageName, int userId) { 12963 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 12964 12965 final int callingUid = Binder.getCallingUid(); 12966 enforceCrossUserPermission(callingUid, userId, 12967 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 12968 12969 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 12970 try { 12971 if (observer != null) { 12972 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 12973 } 12974 } catch (RemoteException re) { 12975 } 12976 return; 12977 } 12978 12979 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 12980 installFlags |= PackageManager.INSTALL_FROM_ADB; 12981 12982 } else { 12983 // Caller holds INSTALL_PACKAGES permission, so we're less strict 12984 // about installerPackageName. 12985 12986 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 12987 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 12988 } 12989 12990 UserHandle user; 12991 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 12992 user = UserHandle.ALL; 12993 } else { 12994 user = new UserHandle(userId); 12995 } 12996 12997 // Only system components can circumvent runtime permissions when installing. 12998 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 12999 && mContext.checkCallingOrSelfPermission(Manifest.permission 13000 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 13001 throw new SecurityException("You need the " 13002 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 13003 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 13004 } 13005 13006 if ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0 13007 || (installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13008 throw new IllegalArgumentException( 13009 "New installs into ASEC containers no longer supported"); 13010 } 13011 13012 final File originFile = new File(originPath); 13013 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 13014 13015 final Message msg = mHandler.obtainMessage(INIT_COPY); 13016 final VerificationInfo verificationInfo = new VerificationInfo( 13017 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 13018 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 13019 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 13020 null /*packageAbiOverride*/, null /*grantedPermissions*/, 13021 null /*certificates*/, PackageManager.INSTALL_REASON_UNKNOWN); 13022 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 13023 msg.obj = params; 13024 13025 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 13026 System.identityHashCode(msg.obj)); 13027 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13028 System.identityHashCode(msg.obj)); 13029 13030 mHandler.sendMessage(msg); 13031 } 13032 13033 13034 /** 13035 * Ensure that the install reason matches what we know about the package installer (e.g. whether 13036 * it is acting on behalf on an enterprise or the user). 13037 * 13038 * Note that the ordering of the conditionals in this method is important. The checks we perform 13039 * are as follows, in this order: 13040 * 13041 * 1) If the install is being performed by a system app, we can trust the app to have set the 13042 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 13043 * what it is. 13044 * 2) If the install is being performed by a device or profile owner app, the install reason 13045 * should be enterprise policy. However, we cannot be sure that the device or profile owner 13046 * set the install reason correctly. If the app targets an older SDK version where install 13047 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 13048 * unset or wrong. Thus, we force the install reason to be enterprise policy. 13049 * 3) In all other cases, the install is being performed by a regular app that is neither part 13050 * of the system nor a device or profile owner. We have no reason to believe that this app is 13051 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 13052 * set to enterprise policy and if so, change it to unknown instead. 13053 */ 13054 private int fixUpInstallReason(String installerPackageName, int installerUid, 13055 int installReason) { 13056 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 13057 == PERMISSION_GRANTED) { 13058 // If the install is being performed by a system app, we trust that app to have set the 13059 // install reason correctly. 13060 return installReason; 13061 } 13062 13063 final IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13064 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13065 if (dpm != null) { 13066 ComponentName owner = null; 13067 try { 13068 owner = dpm.getDeviceOwnerComponent(true /* callingUserOnly */); 13069 if (owner == null) { 13070 owner = dpm.getProfileOwner(UserHandle.getUserId(installerUid)); 13071 } 13072 } catch (RemoteException e) { 13073 } 13074 if (owner != null && owner.getPackageName().equals(installerPackageName)) { 13075 // If the install is being performed by a device or profile owner, the install 13076 // reason should be enterprise policy. 13077 return PackageManager.INSTALL_REASON_POLICY; 13078 } 13079 } 13080 13081 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 13082 // If the install is being performed by a regular app (i.e. neither system app nor 13083 // device or profile owner), we have no reason to believe that the app is acting on 13084 // behalf of an enterprise. If the app set the install reason to enterprise policy, 13085 // change it to unknown instead. 13086 return PackageManager.INSTALL_REASON_UNKNOWN; 13087 } 13088 13089 // If the install is being performed by a regular app and the install reason was set to any 13090 // value but enterprise policy, leave the install reason unchanged. 13091 return installReason; 13092 } 13093 13094 void installStage(String packageName, File stagedDir, String stagedCid, 13095 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 13096 String installerPackageName, int installerUid, UserHandle user, 13097 Certificate[][] certificates) { 13098 if (DEBUG_EPHEMERAL) { 13099 if ((sessionParams.installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13100 Slog.d(TAG, "Ephemeral install of " + packageName); 13101 } 13102 } 13103 final VerificationInfo verificationInfo = new VerificationInfo( 13104 sessionParams.originatingUri, sessionParams.referrerUri, 13105 sessionParams.originatingUid, installerUid); 13106 13107 final OriginInfo origin; 13108 if (stagedDir != null) { 13109 origin = OriginInfo.fromStagedFile(stagedDir); 13110 } else { 13111 origin = OriginInfo.fromStagedContainer(stagedCid); 13112 } 13113 13114 final Message msg = mHandler.obtainMessage(INIT_COPY); 13115 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 13116 sessionParams.installReason); 13117 final InstallParams params = new InstallParams(origin, null, observer, 13118 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 13119 verificationInfo, user, sessionParams.abiOverride, 13120 sessionParams.grantedRuntimePermissions, certificates, installReason); 13121 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 13122 msg.obj = params; 13123 13124 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 13125 System.identityHashCode(msg.obj)); 13126 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13127 System.identityHashCode(msg.obj)); 13128 13129 mHandler.sendMessage(msg); 13130 } 13131 13132 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 13133 int userId) { 13134 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 13135 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 13136 } 13137 13138 private void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 13139 int appId, int... userIds) { 13140 if (ArrayUtils.isEmpty(userIds)) { 13141 return; 13142 } 13143 Bundle extras = new Bundle(1); 13144 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 13145 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 13146 13147 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 13148 packageName, extras, 0, null, null, userIds); 13149 if (isSystem) { 13150 mHandler.post(() -> { 13151 for (int userId : userIds) { 13152 sendBootCompletedBroadcastToSystemApp(packageName, userId); 13153 } 13154 } 13155 ); 13156 } 13157 } 13158 13159 /** 13160 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 13161 * automatically without needing an explicit launch. 13162 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 13163 */ 13164 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 13165 // If user is not running, the app didn't miss any broadcast 13166 if (!mUserManagerInternal.isUserRunning(userId)) { 13167 return; 13168 } 13169 final IActivityManager am = ActivityManager.getService(); 13170 try { 13171 // Deliver LOCKED_BOOT_COMPLETED first 13172 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 13173 .setPackage(packageName); 13174 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 13175 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 13176 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13177 13178 // Deliver BOOT_COMPLETED only if user is unlocked 13179 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 13180 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 13181 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 13182 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13183 } 13184 } catch (RemoteException e) { 13185 throw e.rethrowFromSystemServer(); 13186 } 13187 } 13188 13189 @Override 13190 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 13191 int userId) { 13192 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13193 PackageSetting pkgSetting; 13194 final int uid = Binder.getCallingUid(); 13195 enforceCrossUserPermission(uid, userId, 13196 true /* requireFullPermission */, true /* checkShell */, 13197 "setApplicationHiddenSetting for user " + userId); 13198 13199 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 13200 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 13201 return false; 13202 } 13203 13204 long callingId = Binder.clearCallingIdentity(); 13205 try { 13206 boolean sendAdded = false; 13207 boolean sendRemoved = false; 13208 // writer 13209 synchronized (mPackages) { 13210 pkgSetting = mSettings.mPackages.get(packageName); 13211 if (pkgSetting == null) { 13212 return false; 13213 } 13214 // Do not allow "android" is being disabled 13215 if ("android".equals(packageName)) { 13216 Slog.w(TAG, "Cannot hide package: android"); 13217 return false; 13218 } 13219 // Cannot hide static shared libs as they are considered 13220 // a part of the using app (emulating static linking). Also 13221 // static libs are installed always on internal storage. 13222 PackageParser.Package pkg = mPackages.get(packageName); 13223 if (pkg != null && pkg.staticSharedLibName != null) { 13224 Slog.w(TAG, "Cannot hide package: " + packageName 13225 + " providing static shared library: " 13226 + pkg.staticSharedLibName); 13227 return false; 13228 } 13229 // Only allow protected packages to hide themselves. 13230 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 13231 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13232 Slog.w(TAG, "Not hiding protected package: " + packageName); 13233 return false; 13234 } 13235 13236 if (pkgSetting.getHidden(userId) != hidden) { 13237 pkgSetting.setHidden(hidden, userId); 13238 mSettings.writePackageRestrictionsLPr(userId); 13239 if (hidden) { 13240 sendRemoved = true; 13241 } else { 13242 sendAdded = true; 13243 } 13244 } 13245 } 13246 if (sendAdded) { 13247 sendPackageAddedForUser(packageName, pkgSetting, userId); 13248 return true; 13249 } 13250 if (sendRemoved) { 13251 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 13252 "hiding pkg"); 13253 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 13254 return true; 13255 } 13256 } finally { 13257 Binder.restoreCallingIdentity(callingId); 13258 } 13259 return false; 13260 } 13261 13262 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 13263 int userId) { 13264 final PackageRemovedInfo info = new PackageRemovedInfo(); 13265 info.removedPackage = packageName; 13266 info.removedUsers = new int[] {userId}; 13267 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 13268 info.sendPackageRemovedBroadcasts(true /*killApp*/); 13269 } 13270 13271 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 13272 if (pkgList.length > 0) { 13273 Bundle extras = new Bundle(1); 13274 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 13275 13276 sendPackageBroadcast( 13277 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 13278 : Intent.ACTION_PACKAGES_UNSUSPENDED, 13279 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 13280 new int[] {userId}); 13281 } 13282 } 13283 13284 /** 13285 * Returns true if application is not found or there was an error. Otherwise it returns 13286 * the hidden state of the package for the given user. 13287 */ 13288 @Override 13289 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 13290 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13291 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13292 true /* requireFullPermission */, false /* checkShell */, 13293 "getApplicationHidden for user " + userId); 13294 PackageSetting pkgSetting; 13295 long callingId = Binder.clearCallingIdentity(); 13296 try { 13297 // writer 13298 synchronized (mPackages) { 13299 pkgSetting = mSettings.mPackages.get(packageName); 13300 if (pkgSetting == null) { 13301 return true; 13302 } 13303 return pkgSetting.getHidden(userId); 13304 } 13305 } finally { 13306 Binder.restoreCallingIdentity(callingId); 13307 } 13308 } 13309 13310 /** 13311 * @hide 13312 */ 13313 @Override 13314 public int installExistingPackageAsUser(String packageName, int userId, int installFlags, 13315 int installReason) { 13316 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 13317 null); 13318 PackageSetting pkgSetting; 13319 final int uid = Binder.getCallingUid(); 13320 enforceCrossUserPermission(uid, userId, 13321 true /* requireFullPermission */, true /* checkShell */, 13322 "installExistingPackage for user " + userId); 13323 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13324 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 13325 } 13326 13327 long callingId = Binder.clearCallingIdentity(); 13328 try { 13329 boolean installed = false; 13330 final boolean instantApp = 13331 (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 13332 final boolean fullApp = 13333 (installFlags & PackageManager.INSTALL_FULL_APP) != 0; 13334 13335 // writer 13336 synchronized (mPackages) { 13337 pkgSetting = mSettings.mPackages.get(packageName); 13338 if (pkgSetting == null) { 13339 return PackageManager.INSTALL_FAILED_INVALID_URI; 13340 } 13341 if (!pkgSetting.getInstalled(userId)) { 13342 pkgSetting.setInstalled(true, userId); 13343 pkgSetting.setHidden(false, userId); 13344 pkgSetting.setInstallReason(installReason, userId); 13345 mSettings.writePackageRestrictionsLPr(userId); 13346 mSettings.writeKernelMappingLPr(pkgSetting); 13347 installed = true; 13348 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13349 // upgrade app from instant to full; we don't allow app downgrade 13350 installed = true; 13351 } 13352 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 13353 } 13354 13355 if (installed) { 13356 if (pkgSetting.pkg != null) { 13357 synchronized (mInstallLock) { 13358 // We don't need to freeze for a brand new install 13359 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 13360 } 13361 } 13362 sendPackageAddedForUser(packageName, pkgSetting, userId); 13363 synchronized (mPackages) { 13364 updateSequenceNumberLP(packageName, new int[]{ userId }); 13365 } 13366 } 13367 } finally { 13368 Binder.restoreCallingIdentity(callingId); 13369 } 13370 13371 return PackageManager.INSTALL_SUCCEEDED; 13372 } 13373 13374 void setInstantAppForUser(PackageSetting pkgSetting, int userId, 13375 boolean instantApp, boolean fullApp) { 13376 // no state specified; do nothing 13377 if (!instantApp && !fullApp) { 13378 return; 13379 } 13380 if (userId != UserHandle.USER_ALL) { 13381 if (instantApp && !pkgSetting.getInstantApp(userId)) { 13382 pkgSetting.setInstantApp(true /*instantApp*/, userId); 13383 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13384 pkgSetting.setInstantApp(false /*instantApp*/, userId); 13385 } 13386 } else { 13387 for (int currentUserId : sUserManager.getUserIds()) { 13388 if (instantApp && !pkgSetting.getInstantApp(currentUserId)) { 13389 pkgSetting.setInstantApp(true /*instantApp*/, currentUserId); 13390 } else if (fullApp && pkgSetting.getInstantApp(currentUserId)) { 13391 pkgSetting.setInstantApp(false /*instantApp*/, currentUserId); 13392 } 13393 } 13394 } 13395 } 13396 13397 boolean isUserRestricted(int userId, String restrictionKey) { 13398 Bundle restrictions = sUserManager.getUserRestrictions(userId); 13399 if (restrictions.getBoolean(restrictionKey, false)) { 13400 Log.w(TAG, "User is restricted: " + restrictionKey); 13401 return true; 13402 } 13403 return false; 13404 } 13405 13406 @Override 13407 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 13408 int userId) { 13409 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13410 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13411 true /* requireFullPermission */, true /* checkShell */, 13412 "setPackagesSuspended for user " + userId); 13413 13414 if (ArrayUtils.isEmpty(packageNames)) { 13415 return packageNames; 13416 } 13417 13418 // List of package names for whom the suspended state has changed. 13419 List<String> changedPackages = new ArrayList<>(packageNames.length); 13420 // List of package names for whom the suspended state is not set as requested in this 13421 // method. 13422 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 13423 long callingId = Binder.clearCallingIdentity(); 13424 try { 13425 for (int i = 0; i < packageNames.length; i++) { 13426 String packageName = packageNames[i]; 13427 boolean changed = false; 13428 final int appId; 13429 synchronized (mPackages) { 13430 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13431 if (pkgSetting == null) { 13432 Slog.w(TAG, "Could not find package setting for package \"" + packageName 13433 + "\". Skipping suspending/un-suspending."); 13434 unactionedPackages.add(packageName); 13435 continue; 13436 } 13437 appId = pkgSetting.appId; 13438 if (pkgSetting.getSuspended(userId) != suspended) { 13439 if (!canSuspendPackageForUserLocked(packageName, userId)) { 13440 unactionedPackages.add(packageName); 13441 continue; 13442 } 13443 pkgSetting.setSuspended(suspended, userId); 13444 mSettings.writePackageRestrictionsLPr(userId); 13445 changed = true; 13446 changedPackages.add(packageName); 13447 } 13448 } 13449 13450 if (changed && suspended) { 13451 killApplication(packageName, UserHandle.getUid(userId, appId), 13452 "suspending package"); 13453 } 13454 } 13455 } finally { 13456 Binder.restoreCallingIdentity(callingId); 13457 } 13458 13459 if (!changedPackages.isEmpty()) { 13460 sendPackagesSuspendedForUser(changedPackages.toArray( 13461 new String[changedPackages.size()]), userId, suspended); 13462 } 13463 13464 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 13465 } 13466 13467 @Override 13468 public boolean isPackageSuspendedForUser(String packageName, int userId) { 13469 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13470 true /* requireFullPermission */, false /* checkShell */, 13471 "isPackageSuspendedForUser for user " + userId); 13472 synchronized (mPackages) { 13473 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13474 if (pkgSetting == null) { 13475 throw new IllegalArgumentException("Unknown target package: " + packageName); 13476 } 13477 return pkgSetting.getSuspended(userId); 13478 } 13479 } 13480 13481 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 13482 if (isPackageDeviceAdmin(packageName, userId)) { 13483 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13484 + "\": has an active device admin"); 13485 return false; 13486 } 13487 13488 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 13489 if (packageName.equals(activeLauncherPackageName)) { 13490 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13491 + "\": contains the active launcher"); 13492 return false; 13493 } 13494 13495 if (packageName.equals(mRequiredInstallerPackage)) { 13496 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13497 + "\": required for package installation"); 13498 return false; 13499 } 13500 13501 if (packageName.equals(mRequiredUninstallerPackage)) { 13502 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13503 + "\": required for package uninstallation"); 13504 return false; 13505 } 13506 13507 if (packageName.equals(mRequiredVerifierPackage)) { 13508 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13509 + "\": required for package verification"); 13510 return false; 13511 } 13512 13513 if (packageName.equals(getDefaultDialerPackageName(userId))) { 13514 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13515 + "\": is the default dialer"); 13516 return false; 13517 } 13518 13519 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13520 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13521 + "\": protected package"); 13522 return false; 13523 } 13524 13525 // Cannot suspend static shared libs as they are considered 13526 // a part of the using app (emulating static linking). Also 13527 // static libs are installed always on internal storage. 13528 PackageParser.Package pkg = mPackages.get(packageName); 13529 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 13530 Slog.w(TAG, "Cannot suspend package: " + packageName 13531 + " providing static shared library: " 13532 + pkg.staticSharedLibName); 13533 return false; 13534 } 13535 13536 return true; 13537 } 13538 13539 private String getActiveLauncherPackageName(int userId) { 13540 Intent intent = new Intent(Intent.ACTION_MAIN); 13541 intent.addCategory(Intent.CATEGORY_HOME); 13542 ResolveInfo resolveInfo = resolveIntent( 13543 intent, 13544 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 13545 PackageManager.MATCH_DEFAULT_ONLY, 13546 userId); 13547 13548 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 13549 } 13550 13551 private String getDefaultDialerPackageName(int userId) { 13552 synchronized (mPackages) { 13553 return mSettings.getDefaultDialerPackageNameLPw(userId); 13554 } 13555 } 13556 13557 @Override 13558 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 13559 mContext.enforceCallingOrSelfPermission( 13560 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13561 "Only package verification agents can verify applications"); 13562 13563 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13564 final PackageVerificationResponse response = new PackageVerificationResponse( 13565 verificationCode, Binder.getCallingUid()); 13566 msg.arg1 = id; 13567 msg.obj = response; 13568 mHandler.sendMessage(msg); 13569 } 13570 13571 @Override 13572 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 13573 long millisecondsToDelay) { 13574 mContext.enforceCallingOrSelfPermission( 13575 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13576 "Only package verification agents can extend verification timeouts"); 13577 13578 final PackageVerificationState state = mPendingVerification.get(id); 13579 final PackageVerificationResponse response = new PackageVerificationResponse( 13580 verificationCodeAtTimeout, Binder.getCallingUid()); 13581 13582 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 13583 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 13584 } 13585 if (millisecondsToDelay < 0) { 13586 millisecondsToDelay = 0; 13587 } 13588 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 13589 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 13590 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 13591 } 13592 13593 if ((state != null) && !state.timeoutExtended()) { 13594 state.extendTimeout(); 13595 13596 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13597 msg.arg1 = id; 13598 msg.obj = response; 13599 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 13600 } 13601 } 13602 13603 private void broadcastPackageVerified(int verificationId, Uri packageUri, 13604 int verificationCode, UserHandle user) { 13605 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 13606 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 13607 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13608 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13609 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 13610 13611 mContext.sendBroadcastAsUser(intent, user, 13612 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 13613 } 13614 13615 private ComponentName matchComponentForVerifier(String packageName, 13616 List<ResolveInfo> receivers) { 13617 ActivityInfo targetReceiver = null; 13618 13619 final int NR = receivers.size(); 13620 for (int i = 0; i < NR; i++) { 13621 final ResolveInfo info = receivers.get(i); 13622 if (info.activityInfo == null) { 13623 continue; 13624 } 13625 13626 if (packageName.equals(info.activityInfo.packageName)) { 13627 targetReceiver = info.activityInfo; 13628 break; 13629 } 13630 } 13631 13632 if (targetReceiver == null) { 13633 return null; 13634 } 13635 13636 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 13637 } 13638 13639 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 13640 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 13641 if (pkgInfo.verifiers.length == 0) { 13642 return null; 13643 } 13644 13645 final int N = pkgInfo.verifiers.length; 13646 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 13647 for (int i = 0; i < N; i++) { 13648 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 13649 13650 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 13651 receivers); 13652 if (comp == null) { 13653 continue; 13654 } 13655 13656 final int verifierUid = getUidForVerifier(verifierInfo); 13657 if (verifierUid == -1) { 13658 continue; 13659 } 13660 13661 if (DEBUG_VERIFY) { 13662 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 13663 + " with the correct signature"); 13664 } 13665 sufficientVerifiers.add(comp); 13666 verificationState.addSufficientVerifier(verifierUid); 13667 } 13668 13669 return sufficientVerifiers; 13670 } 13671 13672 private int getUidForVerifier(VerifierInfo verifierInfo) { 13673 synchronized (mPackages) { 13674 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 13675 if (pkg == null) { 13676 return -1; 13677 } else if (pkg.mSignatures.length != 1) { 13678 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13679 + " has more than one signature; ignoring"); 13680 return -1; 13681 } 13682 13683 /* 13684 * If the public key of the package's signature does not match 13685 * our expected public key, then this is a different package and 13686 * we should skip. 13687 */ 13688 13689 final byte[] expectedPublicKey; 13690 try { 13691 final Signature verifierSig = pkg.mSignatures[0]; 13692 final PublicKey publicKey = verifierSig.getPublicKey(); 13693 expectedPublicKey = publicKey.getEncoded(); 13694 } catch (CertificateException e) { 13695 return -1; 13696 } 13697 13698 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 13699 13700 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 13701 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13702 + " does not have the expected public key; ignoring"); 13703 return -1; 13704 } 13705 13706 return pkg.applicationInfo.uid; 13707 } 13708 } 13709 13710 @Override 13711 public void finishPackageInstall(int token, boolean didLaunch) { 13712 enforceSystemOrRoot("Only the system is allowed to finish installs"); 13713 13714 if (DEBUG_INSTALL) { 13715 Slog.v(TAG, "BM finishing package install for " + token); 13716 } 13717 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13718 13719 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 13720 mHandler.sendMessage(msg); 13721 } 13722 13723 /** 13724 * Get the verification agent timeout. 13725 * 13726 * @return verification timeout in milliseconds 13727 */ 13728 private long getVerificationTimeout() { 13729 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 13730 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 13731 DEFAULT_VERIFICATION_TIMEOUT); 13732 } 13733 13734 /** 13735 * Get the default verification agent response code. 13736 * 13737 * @return default verification response code 13738 */ 13739 private int getDefaultVerificationResponse() { 13740 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13741 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 13742 DEFAULT_VERIFICATION_RESPONSE); 13743 } 13744 13745 /** 13746 * Check whether or not package verification has been enabled. 13747 * 13748 * @return true if verification should be performed 13749 */ 13750 private boolean isVerificationEnabled(int userId, int installFlags) { 13751 if (!DEFAULT_VERIFY_ENABLE) { 13752 return false; 13753 } 13754 13755 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 13756 13757 // Check if installing from ADB 13758 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 13759 // Do not run verification in a test harness environment 13760 if (ActivityManager.isRunningInTestHarness()) { 13761 return false; 13762 } 13763 if (ensureVerifyAppsEnabled) { 13764 return true; 13765 } 13766 // Check if the developer does not want package verification for ADB installs 13767 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13768 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 13769 return false; 13770 } 13771 } 13772 13773 if (ensureVerifyAppsEnabled) { 13774 return true; 13775 } 13776 13777 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13778 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 13779 } 13780 13781 @Override 13782 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 13783 throws RemoteException { 13784 mContext.enforceCallingOrSelfPermission( 13785 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 13786 "Only intentfilter verification agents can verify applications"); 13787 13788 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 13789 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 13790 Binder.getCallingUid(), verificationCode, failedDomains); 13791 msg.arg1 = id; 13792 msg.obj = response; 13793 mHandler.sendMessage(msg); 13794 } 13795 13796 @Override 13797 public int getIntentVerificationStatus(String packageName, int userId) { 13798 synchronized (mPackages) { 13799 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 13800 } 13801 } 13802 13803 @Override 13804 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 13805 mContext.enforceCallingOrSelfPermission( 13806 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13807 13808 boolean result = false; 13809 synchronized (mPackages) { 13810 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 13811 } 13812 if (result) { 13813 scheduleWritePackageRestrictionsLocked(userId); 13814 } 13815 return result; 13816 } 13817 13818 @Override 13819 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 13820 String packageName) { 13821 synchronized (mPackages) { 13822 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 13823 } 13824 } 13825 13826 @Override 13827 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 13828 if (TextUtils.isEmpty(packageName)) { 13829 return ParceledListSlice.emptyList(); 13830 } 13831 synchronized (mPackages) { 13832 PackageParser.Package pkg = mPackages.get(packageName); 13833 if (pkg == null || pkg.activities == null) { 13834 return ParceledListSlice.emptyList(); 13835 } 13836 final int count = pkg.activities.size(); 13837 ArrayList<IntentFilter> result = new ArrayList<>(); 13838 for (int n=0; n<count; n++) { 13839 PackageParser.Activity activity = pkg.activities.get(n); 13840 if (activity.intents != null && activity.intents.size() > 0) { 13841 result.addAll(activity.intents); 13842 } 13843 } 13844 return new ParceledListSlice<>(result); 13845 } 13846 } 13847 13848 @Override 13849 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 13850 mContext.enforceCallingOrSelfPermission( 13851 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13852 13853 synchronized (mPackages) { 13854 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 13855 if (packageName != null) { 13856 result |= updateIntentVerificationStatus(packageName, 13857 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 13858 userId); 13859 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 13860 packageName, userId); 13861 } 13862 return result; 13863 } 13864 } 13865 13866 @Override 13867 public String getDefaultBrowserPackageName(int userId) { 13868 synchronized (mPackages) { 13869 return mSettings.getDefaultBrowserPackageNameLPw(userId); 13870 } 13871 } 13872 13873 /** 13874 * Get the "allow unknown sources" setting. 13875 * 13876 * @return the current "allow unknown sources" setting 13877 */ 13878 private int getUnknownSourcesSettings() { 13879 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 13880 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 13881 -1); 13882 } 13883 13884 @Override 13885 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 13886 final int uid = Binder.getCallingUid(); 13887 // writer 13888 synchronized (mPackages) { 13889 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 13890 if (targetPackageSetting == null) { 13891 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 13892 } 13893 13894 PackageSetting installerPackageSetting; 13895 if (installerPackageName != null) { 13896 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 13897 if (installerPackageSetting == null) { 13898 throw new IllegalArgumentException("Unknown installer package: " 13899 + installerPackageName); 13900 } 13901 } else { 13902 installerPackageSetting = null; 13903 } 13904 13905 Signature[] callerSignature; 13906 Object obj = mSettings.getUserIdLPr(uid); 13907 if (obj != null) { 13908 if (obj instanceof SharedUserSetting) { 13909 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 13910 } else if (obj instanceof PackageSetting) { 13911 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 13912 } else { 13913 throw new SecurityException("Bad object " + obj + " for uid " + uid); 13914 } 13915 } else { 13916 throw new SecurityException("Unknown calling UID: " + uid); 13917 } 13918 13919 // Verify: can't set installerPackageName to a package that is 13920 // not signed with the same cert as the caller. 13921 if (installerPackageSetting != null) { 13922 if (compareSignatures(callerSignature, 13923 installerPackageSetting.signatures.mSignatures) 13924 != PackageManager.SIGNATURE_MATCH) { 13925 throw new SecurityException( 13926 "Caller does not have same cert as new installer package " 13927 + installerPackageName); 13928 } 13929 } 13930 13931 // Verify: if target already has an installer package, it must 13932 // be signed with the same cert as the caller. 13933 if (targetPackageSetting.installerPackageName != null) { 13934 PackageSetting setting = mSettings.mPackages.get( 13935 targetPackageSetting.installerPackageName); 13936 // If the currently set package isn't valid, then it's always 13937 // okay to change it. 13938 if (setting != null) { 13939 if (compareSignatures(callerSignature, 13940 setting.signatures.mSignatures) 13941 != PackageManager.SIGNATURE_MATCH) { 13942 throw new SecurityException( 13943 "Caller does not have same cert as old installer package " 13944 + targetPackageSetting.installerPackageName); 13945 } 13946 } 13947 } 13948 13949 // Okay! 13950 targetPackageSetting.installerPackageName = installerPackageName; 13951 if (installerPackageName != null) { 13952 mSettings.mInstallerPackages.add(installerPackageName); 13953 } 13954 scheduleWriteSettingsLocked(); 13955 } 13956 } 13957 13958 @Override 13959 public void setApplicationCategoryHint(String packageName, int categoryHint, 13960 String callerPackageName) { 13961 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 13962 callerPackageName); 13963 synchronized (mPackages) { 13964 PackageSetting ps = mSettings.mPackages.get(packageName); 13965 if (ps == null) { 13966 throw new IllegalArgumentException("Unknown target package " + packageName); 13967 } 13968 13969 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 13970 throw new IllegalArgumentException("Calling package " + callerPackageName 13971 + " is not installer for " + packageName); 13972 } 13973 13974 if (ps.categoryHint != categoryHint) { 13975 ps.categoryHint = categoryHint; 13976 scheduleWriteSettingsLocked(); 13977 } 13978 } 13979 } 13980 13981 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 13982 // Queue up an async operation since the package installation may take a little while. 13983 mHandler.post(new Runnable() { 13984 public void run() { 13985 mHandler.removeCallbacks(this); 13986 // Result object to be returned 13987 PackageInstalledInfo res = new PackageInstalledInfo(); 13988 res.setReturnCode(currentStatus); 13989 res.uid = -1; 13990 res.pkg = null; 13991 res.removedInfo = null; 13992 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13993 args.doPreInstall(res.returnCode); 13994 synchronized (mInstallLock) { 13995 installPackageTracedLI(args, res); 13996 } 13997 args.doPostInstall(res.returnCode, res.uid); 13998 } 13999 14000 // A restore should be performed at this point if (a) the install 14001 // succeeded, (b) the operation is not an update, and (c) the new 14002 // package has not opted out of backup participation. 14003 final boolean update = res.removedInfo != null 14004 && res.removedInfo.removedPackage != null; 14005 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 14006 boolean doRestore = !update 14007 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 14008 14009 // Set up the post-install work request bookkeeping. This will be used 14010 // and cleaned up by the post-install event handling regardless of whether 14011 // there's a restore pass performed. Token values are >= 1. 14012 int token; 14013 if (mNextInstallToken < 0) mNextInstallToken = 1; 14014 token = mNextInstallToken++; 14015 14016 PostInstallData data = new PostInstallData(args, res); 14017 mRunningInstalls.put(token, data); 14018 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 14019 14020 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 14021 // Pass responsibility to the Backup Manager. It will perform a 14022 // restore if appropriate, then pass responsibility back to the 14023 // Package Manager to run the post-install observer callbacks 14024 // and broadcasts. 14025 IBackupManager bm = IBackupManager.Stub.asInterface( 14026 ServiceManager.getService(Context.BACKUP_SERVICE)); 14027 if (bm != null) { 14028 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 14029 + " to BM for possible restore"); 14030 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 14031 try { 14032 // TODO: http://b/22388012 14033 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 14034 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 14035 } else { 14036 doRestore = false; 14037 } 14038 } catch (RemoteException e) { 14039 // can't happen; the backup manager is local 14040 } catch (Exception e) { 14041 Slog.e(TAG, "Exception trying to enqueue restore", e); 14042 doRestore = false; 14043 } 14044 } else { 14045 Slog.e(TAG, "Backup Manager not found!"); 14046 doRestore = false; 14047 } 14048 } 14049 14050 if (!doRestore) { 14051 // No restore possible, or the Backup Manager was mysteriously not 14052 // available -- just fire the post-install work request directly. 14053 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 14054 14055 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 14056 14057 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 14058 mHandler.sendMessage(msg); 14059 } 14060 } 14061 }); 14062 } 14063 14064 /** 14065 * Callback from PackageSettings whenever an app is first transitioned out of the 14066 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 14067 * the app was "launched" for a restoreAtInstall operation. Therefore we check 14068 * here whether the app is the target of an ongoing install, and only send the 14069 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 14070 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 14071 * handling. 14072 */ 14073 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 14074 // Serialize this with the rest of the install-process message chain. In the 14075 // restore-at-install case, this Runnable will necessarily run before the 14076 // POST_INSTALL message is processed, so the contents of mRunningInstalls 14077 // are coherent. In the non-restore case, the app has already completed install 14078 // and been launched through some other means, so it is not in a problematic 14079 // state for observers to see the FIRST_LAUNCH signal. 14080 mHandler.post(new Runnable() { 14081 @Override 14082 public void run() { 14083 for (int i = 0; i < mRunningInstalls.size(); i++) { 14084 final PostInstallData data = mRunningInstalls.valueAt(i); 14085 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14086 continue; 14087 } 14088 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 14089 // right package; but is it for the right user? 14090 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 14091 if (userId == data.res.newUsers[uIndex]) { 14092 if (DEBUG_BACKUP) { 14093 Slog.i(TAG, "Package " + pkgName 14094 + " being restored so deferring FIRST_LAUNCH"); 14095 } 14096 return; 14097 } 14098 } 14099 } 14100 } 14101 // didn't find it, so not being restored 14102 if (DEBUG_BACKUP) { 14103 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 14104 } 14105 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 14106 } 14107 }); 14108 } 14109 14110 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 14111 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 14112 installerPkg, null, userIds); 14113 } 14114 14115 private abstract class HandlerParams { 14116 private static final int MAX_RETRIES = 4; 14117 14118 /** 14119 * Number of times startCopy() has been attempted and had a non-fatal 14120 * error. 14121 */ 14122 private int mRetries = 0; 14123 14124 /** User handle for the user requesting the information or installation. */ 14125 private final UserHandle mUser; 14126 String traceMethod; 14127 int traceCookie; 14128 14129 HandlerParams(UserHandle user) { 14130 mUser = user; 14131 } 14132 14133 UserHandle getUser() { 14134 return mUser; 14135 } 14136 14137 HandlerParams setTraceMethod(String traceMethod) { 14138 this.traceMethod = traceMethod; 14139 return this; 14140 } 14141 14142 HandlerParams setTraceCookie(int traceCookie) { 14143 this.traceCookie = traceCookie; 14144 return this; 14145 } 14146 14147 final boolean startCopy() { 14148 boolean res; 14149 try { 14150 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 14151 14152 if (++mRetries > MAX_RETRIES) { 14153 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 14154 mHandler.sendEmptyMessage(MCS_GIVE_UP); 14155 handleServiceError(); 14156 return false; 14157 } else { 14158 handleStartCopy(); 14159 res = true; 14160 } 14161 } catch (RemoteException e) { 14162 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 14163 mHandler.sendEmptyMessage(MCS_RECONNECT); 14164 res = false; 14165 } 14166 handleReturnCode(); 14167 return res; 14168 } 14169 14170 final void serviceError() { 14171 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 14172 handleServiceError(); 14173 handleReturnCode(); 14174 } 14175 14176 abstract void handleStartCopy() throws RemoteException; 14177 abstract void handleServiceError(); 14178 abstract void handleReturnCode(); 14179 } 14180 14181 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 14182 for (File path : paths) { 14183 try { 14184 mcs.clearDirectory(path.getAbsolutePath()); 14185 } catch (RemoteException e) { 14186 } 14187 } 14188 } 14189 14190 static class OriginInfo { 14191 /** 14192 * Location where install is coming from, before it has been 14193 * copied/renamed into place. This could be a single monolithic APK 14194 * file, or a cluster directory. This location may be untrusted. 14195 */ 14196 final File file; 14197 final String cid; 14198 14199 /** 14200 * Flag indicating that {@link #file} or {@link #cid} has already been 14201 * staged, meaning downstream users don't need to defensively copy the 14202 * contents. 14203 */ 14204 final boolean staged; 14205 14206 /** 14207 * Flag indicating that {@link #file} or {@link #cid} is an already 14208 * installed app that is being moved. 14209 */ 14210 final boolean existing; 14211 14212 final String resolvedPath; 14213 final File resolvedFile; 14214 14215 static OriginInfo fromNothing() { 14216 return new OriginInfo(null, null, false, false); 14217 } 14218 14219 static OriginInfo fromUntrustedFile(File file) { 14220 return new OriginInfo(file, null, false, false); 14221 } 14222 14223 static OriginInfo fromExistingFile(File file) { 14224 return new OriginInfo(file, null, false, true); 14225 } 14226 14227 static OriginInfo fromStagedFile(File file) { 14228 return new OriginInfo(file, null, true, false); 14229 } 14230 14231 static OriginInfo fromStagedContainer(String cid) { 14232 return new OriginInfo(null, cid, true, false); 14233 } 14234 14235 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 14236 this.file = file; 14237 this.cid = cid; 14238 this.staged = staged; 14239 this.existing = existing; 14240 14241 if (cid != null) { 14242 resolvedPath = PackageHelper.getSdDir(cid); 14243 resolvedFile = new File(resolvedPath); 14244 } else if (file != null) { 14245 resolvedPath = file.getAbsolutePath(); 14246 resolvedFile = file; 14247 } else { 14248 resolvedPath = null; 14249 resolvedFile = null; 14250 } 14251 } 14252 } 14253 14254 static class MoveInfo { 14255 final int moveId; 14256 final String fromUuid; 14257 final String toUuid; 14258 final String packageName; 14259 final String dataAppName; 14260 final int appId; 14261 final String seinfo; 14262 final int targetSdkVersion; 14263 14264 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 14265 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 14266 this.moveId = moveId; 14267 this.fromUuid = fromUuid; 14268 this.toUuid = toUuid; 14269 this.packageName = packageName; 14270 this.dataAppName = dataAppName; 14271 this.appId = appId; 14272 this.seinfo = seinfo; 14273 this.targetSdkVersion = targetSdkVersion; 14274 } 14275 } 14276 14277 static class VerificationInfo { 14278 /** A constant used to indicate that a uid value is not present. */ 14279 public static final int NO_UID = -1; 14280 14281 /** URI referencing where the package was downloaded from. */ 14282 final Uri originatingUri; 14283 14284 /** HTTP referrer URI associated with the originatingURI. */ 14285 final Uri referrer; 14286 14287 /** UID of the application that the install request originated from. */ 14288 final int originatingUid; 14289 14290 /** UID of application requesting the install */ 14291 final int installerUid; 14292 14293 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 14294 this.originatingUri = originatingUri; 14295 this.referrer = referrer; 14296 this.originatingUid = originatingUid; 14297 this.installerUid = installerUid; 14298 } 14299 } 14300 14301 class InstallParams extends HandlerParams { 14302 final OriginInfo origin; 14303 final MoveInfo move; 14304 final IPackageInstallObserver2 observer; 14305 int installFlags; 14306 final String installerPackageName; 14307 final String volumeUuid; 14308 private InstallArgs mArgs; 14309 private int mRet; 14310 final String packageAbiOverride; 14311 final String[] grantedRuntimePermissions; 14312 final VerificationInfo verificationInfo; 14313 final Certificate[][] certificates; 14314 final int installReason; 14315 14316 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14317 int installFlags, String installerPackageName, String volumeUuid, 14318 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 14319 String[] grantedPermissions, Certificate[][] certificates, int installReason) { 14320 super(user); 14321 this.origin = origin; 14322 this.move = move; 14323 this.observer = observer; 14324 this.installFlags = installFlags; 14325 this.installerPackageName = installerPackageName; 14326 this.volumeUuid = volumeUuid; 14327 this.verificationInfo = verificationInfo; 14328 this.packageAbiOverride = packageAbiOverride; 14329 this.grantedRuntimePermissions = grantedPermissions; 14330 this.certificates = certificates; 14331 this.installReason = installReason; 14332 } 14333 14334 @Override 14335 public String toString() { 14336 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 14337 + " file=" + origin.file + " cid=" + origin.cid + "}"; 14338 } 14339 14340 private int installLocationPolicy(PackageInfoLite pkgLite) { 14341 String packageName = pkgLite.packageName; 14342 int installLocation = pkgLite.installLocation; 14343 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14344 // reader 14345 synchronized (mPackages) { 14346 // Currently installed package which the new package is attempting to replace or 14347 // null if no such package is installed. 14348 PackageParser.Package installedPkg = mPackages.get(packageName); 14349 // Package which currently owns the data which the new package will own if installed. 14350 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 14351 // will be null whereas dataOwnerPkg will contain information about the package 14352 // which was uninstalled while keeping its data. 14353 PackageParser.Package dataOwnerPkg = installedPkg; 14354 if (dataOwnerPkg == null) { 14355 PackageSetting ps = mSettings.mPackages.get(packageName); 14356 if (ps != null) { 14357 dataOwnerPkg = ps.pkg; 14358 } 14359 } 14360 14361 if (dataOwnerPkg != null) { 14362 // If installed, the package will get access to data left on the device by its 14363 // predecessor. As a security measure, this is permited only if this is not a 14364 // version downgrade or if the predecessor package is marked as debuggable and 14365 // a downgrade is explicitly requested. 14366 // 14367 // On debuggable platform builds, downgrades are permitted even for 14368 // non-debuggable packages to make testing easier. Debuggable platform builds do 14369 // not offer security guarantees and thus it's OK to disable some security 14370 // mechanisms to make debugging/testing easier on those builds. However, even on 14371 // debuggable builds downgrades of packages are permitted only if requested via 14372 // installFlags. This is because we aim to keep the behavior of debuggable 14373 // platform builds as close as possible to the behavior of non-debuggable 14374 // platform builds. 14375 final boolean downgradeRequested = 14376 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 14377 final boolean packageDebuggable = 14378 (dataOwnerPkg.applicationInfo.flags 14379 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 14380 final boolean downgradePermitted = 14381 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 14382 if (!downgradePermitted) { 14383 try { 14384 checkDowngrade(dataOwnerPkg, pkgLite); 14385 } catch (PackageManagerException e) { 14386 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 14387 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 14388 } 14389 } 14390 } 14391 14392 if (installedPkg != null) { 14393 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14394 // Check for updated system application. 14395 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 14396 if (onSd) { 14397 Slog.w(TAG, "Cannot install update to system app on sdcard"); 14398 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 14399 } 14400 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14401 } else { 14402 if (onSd) { 14403 // Install flag overrides everything. 14404 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14405 } 14406 // If current upgrade specifies particular preference 14407 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 14408 // Application explicitly specified internal. 14409 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14410 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 14411 // App explictly prefers external. Let policy decide 14412 } else { 14413 // Prefer previous location 14414 if (isExternal(installedPkg)) { 14415 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14416 } 14417 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14418 } 14419 } 14420 } else { 14421 // Invalid install. Return error code 14422 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 14423 } 14424 } 14425 } 14426 // All the special cases have been taken care of. 14427 // Return result based on recommended install location. 14428 if (onSd) { 14429 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14430 } 14431 return pkgLite.recommendedInstallLocation; 14432 } 14433 14434 /* 14435 * Invoke remote method to get package information and install 14436 * location values. Override install location based on default 14437 * policy if needed and then create install arguments based 14438 * on the install location. 14439 */ 14440 public void handleStartCopy() throws RemoteException { 14441 int ret = PackageManager.INSTALL_SUCCEEDED; 14442 14443 // If we're already staged, we've firmly committed to an install location 14444 if (origin.staged) { 14445 if (origin.file != null) { 14446 installFlags |= PackageManager.INSTALL_INTERNAL; 14447 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14448 } else if (origin.cid != null) { 14449 installFlags |= PackageManager.INSTALL_EXTERNAL; 14450 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14451 } else { 14452 throw new IllegalStateException("Invalid stage location"); 14453 } 14454 } 14455 14456 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14457 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 14458 final boolean ephemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14459 PackageInfoLite pkgLite = null; 14460 14461 if (onInt && onSd) { 14462 // Check if both bits are set. 14463 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 14464 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14465 } else if (onSd && ephemeral) { 14466 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 14467 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14468 } else { 14469 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 14470 packageAbiOverride); 14471 14472 if (DEBUG_EPHEMERAL && ephemeral) { 14473 Slog.v(TAG, "pkgLite for install: " + pkgLite); 14474 } 14475 14476 /* 14477 * If we have too little free space, try to free cache 14478 * before giving up. 14479 */ 14480 if (!origin.staged && pkgLite.recommendedInstallLocation 14481 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14482 // TODO: focus freeing disk space on the target device 14483 final StorageManager storage = StorageManager.from(mContext); 14484 final long lowThreshold = storage.getStorageLowBytes( 14485 Environment.getDataDirectory()); 14486 14487 final long sizeBytes = mContainerService.calculateInstalledSize( 14488 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 14489 14490 try { 14491 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0); 14492 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 14493 installFlags, packageAbiOverride); 14494 } catch (InstallerException e) { 14495 Slog.w(TAG, "Failed to free cache", e); 14496 } 14497 14498 /* 14499 * The cache free must have deleted the file we 14500 * downloaded to install. 14501 * 14502 * TODO: fix the "freeCache" call to not delete 14503 * the file we care about. 14504 */ 14505 if (pkgLite.recommendedInstallLocation 14506 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14507 pkgLite.recommendedInstallLocation 14508 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 14509 } 14510 } 14511 } 14512 14513 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14514 int loc = pkgLite.recommendedInstallLocation; 14515 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 14516 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14517 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 14518 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 14519 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14520 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14521 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 14522 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 14523 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14524 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 14525 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 14526 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 14527 } else { 14528 // Override with defaults if needed. 14529 loc = installLocationPolicy(pkgLite); 14530 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 14531 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 14532 } else if (!onSd && !onInt) { 14533 // Override install location with flags 14534 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 14535 // Set the flag to install on external media. 14536 installFlags |= PackageManager.INSTALL_EXTERNAL; 14537 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14538 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 14539 if (DEBUG_EPHEMERAL) { 14540 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 14541 } 14542 installFlags |= PackageManager.INSTALL_INSTANT_APP; 14543 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 14544 |PackageManager.INSTALL_INTERNAL); 14545 } else { 14546 // Make sure the flag for installing on external 14547 // media is unset 14548 installFlags |= PackageManager.INSTALL_INTERNAL; 14549 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14550 } 14551 } 14552 } 14553 } 14554 14555 final InstallArgs args = createInstallArgs(this); 14556 mArgs = args; 14557 14558 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14559 // TODO: http://b/22976637 14560 // Apps installed for "all" users use the device owner to verify the app 14561 UserHandle verifierUser = getUser(); 14562 if (verifierUser == UserHandle.ALL) { 14563 verifierUser = UserHandle.SYSTEM; 14564 } 14565 14566 /* 14567 * Determine if we have any installed package verifiers. If we 14568 * do, then we'll defer to them to verify the packages. 14569 */ 14570 final int requiredUid = mRequiredVerifierPackage == null ? -1 14571 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 14572 verifierUser.getIdentifier()); 14573 if (!origin.existing && requiredUid != -1 14574 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 14575 final Intent verification = new Intent( 14576 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 14577 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 14578 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 14579 PACKAGE_MIME_TYPE); 14580 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14581 14582 // Query all live verifiers based on current user state 14583 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 14584 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 14585 14586 if (DEBUG_VERIFY) { 14587 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 14588 + verification.toString() + " with " + pkgLite.verifiers.length 14589 + " optional verifiers"); 14590 } 14591 14592 final int verificationId = mPendingVerificationToken++; 14593 14594 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14595 14596 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 14597 installerPackageName); 14598 14599 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 14600 installFlags); 14601 14602 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 14603 pkgLite.packageName); 14604 14605 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 14606 pkgLite.versionCode); 14607 14608 if (verificationInfo != null) { 14609 if (verificationInfo.originatingUri != null) { 14610 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 14611 verificationInfo.originatingUri); 14612 } 14613 if (verificationInfo.referrer != null) { 14614 verification.putExtra(Intent.EXTRA_REFERRER, 14615 verificationInfo.referrer); 14616 } 14617 if (verificationInfo.originatingUid >= 0) { 14618 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 14619 verificationInfo.originatingUid); 14620 } 14621 if (verificationInfo.installerUid >= 0) { 14622 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 14623 verificationInfo.installerUid); 14624 } 14625 } 14626 14627 final PackageVerificationState verificationState = new PackageVerificationState( 14628 requiredUid, args); 14629 14630 mPendingVerification.append(verificationId, verificationState); 14631 14632 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 14633 receivers, verificationState); 14634 14635 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 14636 final long idleDuration = getVerificationTimeout(); 14637 14638 /* 14639 * If any sufficient verifiers were listed in the package 14640 * manifest, attempt to ask them. 14641 */ 14642 if (sufficientVerifiers != null) { 14643 final int N = sufficientVerifiers.size(); 14644 if (N == 0) { 14645 Slog.i(TAG, "Additional verifiers required, but none installed."); 14646 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 14647 } else { 14648 for (int i = 0; i < N; i++) { 14649 final ComponentName verifierComponent = sufficientVerifiers.get(i); 14650 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14651 verifierComponent.getPackageName(), idleDuration, 14652 verifierUser.getIdentifier(), false, "package verifier"); 14653 14654 final Intent sufficientIntent = new Intent(verification); 14655 sufficientIntent.setComponent(verifierComponent); 14656 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 14657 } 14658 } 14659 } 14660 14661 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 14662 mRequiredVerifierPackage, receivers); 14663 if (ret == PackageManager.INSTALL_SUCCEEDED 14664 && mRequiredVerifierPackage != null) { 14665 Trace.asyncTraceBegin( 14666 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 14667 /* 14668 * Send the intent to the required verification agent, 14669 * but only start the verification timeout after the 14670 * target BroadcastReceivers have run. 14671 */ 14672 verification.setComponent(requiredVerifierComponent); 14673 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14674 mRequiredVerifierPackage, idleDuration, 14675 verifierUser.getIdentifier(), false, "package verifier"); 14676 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 14677 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14678 new BroadcastReceiver() { 14679 @Override 14680 public void onReceive(Context context, Intent intent) { 14681 final Message msg = mHandler 14682 .obtainMessage(CHECK_PENDING_VERIFICATION); 14683 msg.arg1 = verificationId; 14684 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 14685 } 14686 }, null, 0, null, null); 14687 14688 /* 14689 * We don't want the copy to proceed until verification 14690 * succeeds, so null out this field. 14691 */ 14692 mArgs = null; 14693 } 14694 } else { 14695 /* 14696 * No package verification is enabled, so immediately start 14697 * the remote call to initiate copy using temporary file. 14698 */ 14699 ret = args.copyApk(mContainerService, true); 14700 } 14701 } 14702 14703 mRet = ret; 14704 } 14705 14706 @Override 14707 void handleReturnCode() { 14708 // If mArgs is null, then MCS couldn't be reached. When it 14709 // reconnects, it will try again to install. At that point, this 14710 // will succeed. 14711 if (mArgs != null) { 14712 processPendingInstall(mArgs, mRet); 14713 } 14714 } 14715 14716 @Override 14717 void handleServiceError() { 14718 mArgs = createInstallArgs(this); 14719 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14720 } 14721 14722 public boolean isForwardLocked() { 14723 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14724 } 14725 } 14726 14727 /** 14728 * Used during creation of InstallArgs 14729 * 14730 * @param installFlags package installation flags 14731 * @return true if should be installed on external storage 14732 */ 14733 private static boolean installOnExternalAsec(int installFlags) { 14734 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 14735 return false; 14736 } 14737 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 14738 return true; 14739 } 14740 return false; 14741 } 14742 14743 /** 14744 * Used during creation of InstallArgs 14745 * 14746 * @param installFlags package installation flags 14747 * @return true if should be installed as forward locked 14748 */ 14749 private static boolean installForwardLocked(int installFlags) { 14750 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14751 } 14752 14753 private InstallArgs createInstallArgs(InstallParams params) { 14754 if (params.move != null) { 14755 return new MoveInstallArgs(params); 14756 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 14757 return new AsecInstallArgs(params); 14758 } else { 14759 return new FileInstallArgs(params); 14760 } 14761 } 14762 14763 /** 14764 * Create args that describe an existing installed package. Typically used 14765 * when cleaning up old installs, or used as a move source. 14766 */ 14767 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 14768 String resourcePath, String[] instructionSets) { 14769 final boolean isInAsec; 14770 if (installOnExternalAsec(installFlags)) { 14771 /* Apps on SD card are always in ASEC containers. */ 14772 isInAsec = true; 14773 } else if (installForwardLocked(installFlags) 14774 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 14775 /* 14776 * Forward-locked apps are only in ASEC containers if they're the 14777 * new style 14778 */ 14779 isInAsec = true; 14780 } else { 14781 isInAsec = false; 14782 } 14783 14784 if (isInAsec) { 14785 return new AsecInstallArgs(codePath, instructionSets, 14786 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 14787 } else { 14788 return new FileInstallArgs(codePath, resourcePath, instructionSets); 14789 } 14790 } 14791 14792 static abstract class InstallArgs { 14793 /** @see InstallParams#origin */ 14794 final OriginInfo origin; 14795 /** @see InstallParams#move */ 14796 final MoveInfo move; 14797 14798 final IPackageInstallObserver2 observer; 14799 // Always refers to PackageManager flags only 14800 final int installFlags; 14801 final String installerPackageName; 14802 final String volumeUuid; 14803 final UserHandle user; 14804 final String abiOverride; 14805 final String[] installGrantPermissions; 14806 /** If non-null, drop an async trace when the install completes */ 14807 final String traceMethod; 14808 final int traceCookie; 14809 final Certificate[][] certificates; 14810 final int installReason; 14811 14812 // The list of instruction sets supported by this app. This is currently 14813 // only used during the rmdex() phase to clean up resources. We can get rid of this 14814 // if we move dex files under the common app path. 14815 /* nullable */ String[] instructionSets; 14816 14817 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14818 int installFlags, String installerPackageName, String volumeUuid, 14819 UserHandle user, String[] instructionSets, 14820 String abiOverride, String[] installGrantPermissions, 14821 String traceMethod, int traceCookie, Certificate[][] certificates, 14822 int installReason) { 14823 this.origin = origin; 14824 this.move = move; 14825 this.installFlags = installFlags; 14826 this.observer = observer; 14827 this.installerPackageName = installerPackageName; 14828 this.volumeUuid = volumeUuid; 14829 this.user = user; 14830 this.instructionSets = instructionSets; 14831 this.abiOverride = abiOverride; 14832 this.installGrantPermissions = installGrantPermissions; 14833 this.traceMethod = traceMethod; 14834 this.traceCookie = traceCookie; 14835 this.certificates = certificates; 14836 this.installReason = installReason; 14837 } 14838 14839 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 14840 abstract int doPreInstall(int status); 14841 14842 /** 14843 * Rename package into final resting place. All paths on the given 14844 * scanned package should be updated to reflect the rename. 14845 */ 14846 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 14847 abstract int doPostInstall(int status, int uid); 14848 14849 /** @see PackageSettingBase#codePathString */ 14850 abstract String getCodePath(); 14851 /** @see PackageSettingBase#resourcePathString */ 14852 abstract String getResourcePath(); 14853 14854 // Need installer lock especially for dex file removal. 14855 abstract void cleanUpResourcesLI(); 14856 abstract boolean doPostDeleteLI(boolean delete); 14857 14858 /** 14859 * Called before the source arguments are copied. This is used mostly 14860 * for MoveParams when it needs to read the source file to put it in the 14861 * destination. 14862 */ 14863 int doPreCopy() { 14864 return PackageManager.INSTALL_SUCCEEDED; 14865 } 14866 14867 /** 14868 * Called after the source arguments are copied. This is used mostly for 14869 * MoveParams when it needs to read the source file to put it in the 14870 * destination. 14871 */ 14872 int doPostCopy(int uid) { 14873 return PackageManager.INSTALL_SUCCEEDED; 14874 } 14875 14876 protected boolean isFwdLocked() { 14877 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14878 } 14879 14880 protected boolean isExternalAsec() { 14881 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14882 } 14883 14884 protected boolean isEphemeral() { 14885 return (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14886 } 14887 14888 UserHandle getUser() { 14889 return user; 14890 } 14891 } 14892 14893 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 14894 if (!allCodePaths.isEmpty()) { 14895 if (instructionSets == null) { 14896 throw new IllegalStateException("instructionSet == null"); 14897 } 14898 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 14899 for (String codePath : allCodePaths) { 14900 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 14901 try { 14902 mInstaller.rmdex(codePath, dexCodeInstructionSet); 14903 } catch (InstallerException ignored) { 14904 } 14905 } 14906 } 14907 } 14908 } 14909 14910 /** 14911 * Logic to handle installation of non-ASEC applications, including copying 14912 * and renaming logic. 14913 */ 14914 class FileInstallArgs extends InstallArgs { 14915 private File codeFile; 14916 private File resourceFile; 14917 14918 // Example topology: 14919 // /data/app/com.example/base.apk 14920 // /data/app/com.example/split_foo.apk 14921 // /data/app/com.example/lib/arm/libfoo.so 14922 // /data/app/com.example/lib/arm64/libfoo.so 14923 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 14924 14925 /** New install */ 14926 FileInstallArgs(InstallParams params) { 14927 super(params.origin, params.move, params.observer, params.installFlags, 14928 params.installerPackageName, params.volumeUuid, 14929 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 14930 params.grantedRuntimePermissions, 14931 params.traceMethod, params.traceCookie, params.certificates, 14932 params.installReason); 14933 if (isFwdLocked()) { 14934 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 14935 } 14936 } 14937 14938 /** Existing install */ 14939 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 14940 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 14941 null, null, null, 0, null /*certificates*/, 14942 PackageManager.INSTALL_REASON_UNKNOWN); 14943 this.codeFile = (codePath != null) ? new File(codePath) : null; 14944 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 14945 } 14946 14947 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14948 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 14949 try { 14950 return doCopyApk(imcs, temp); 14951 } finally { 14952 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14953 } 14954 } 14955 14956 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14957 if (origin.staged) { 14958 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 14959 codeFile = origin.file; 14960 resourceFile = origin.file; 14961 return PackageManager.INSTALL_SUCCEEDED; 14962 } 14963 14964 try { 14965 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14966 final File tempDir = 14967 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 14968 codeFile = tempDir; 14969 resourceFile = tempDir; 14970 } catch (IOException e) { 14971 Slog.w(TAG, "Failed to create copy file: " + e); 14972 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14973 } 14974 14975 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 14976 @Override 14977 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 14978 if (!FileUtils.isValidExtFilename(name)) { 14979 throw new IllegalArgumentException("Invalid filename: " + name); 14980 } 14981 try { 14982 final File file = new File(codeFile, name); 14983 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 14984 O_RDWR | O_CREAT, 0644); 14985 Os.chmod(file.getAbsolutePath(), 0644); 14986 return new ParcelFileDescriptor(fd); 14987 } catch (ErrnoException e) { 14988 throw new RemoteException("Failed to open: " + e.getMessage()); 14989 } 14990 } 14991 }; 14992 14993 int ret = PackageManager.INSTALL_SUCCEEDED; 14994 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 14995 if (ret != PackageManager.INSTALL_SUCCEEDED) { 14996 Slog.e(TAG, "Failed to copy package"); 14997 return ret; 14998 } 14999 15000 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 15001 NativeLibraryHelper.Handle handle = null; 15002 try { 15003 handle = NativeLibraryHelper.Handle.create(codeFile); 15004 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 15005 abiOverride); 15006 } catch (IOException e) { 15007 Slog.e(TAG, "Copying native libraries failed", e); 15008 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15009 } finally { 15010 IoUtils.closeQuietly(handle); 15011 } 15012 15013 return ret; 15014 } 15015 15016 int doPreInstall(int status) { 15017 if (status != PackageManager.INSTALL_SUCCEEDED) { 15018 cleanUp(); 15019 } 15020 return status; 15021 } 15022 15023 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15024 if (status != PackageManager.INSTALL_SUCCEEDED) { 15025 cleanUp(); 15026 return false; 15027 } 15028 15029 final File targetDir = codeFile.getParentFile(); 15030 final File beforeCodeFile = codeFile; 15031 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 15032 15033 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 15034 try { 15035 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 15036 } catch (ErrnoException e) { 15037 Slog.w(TAG, "Failed to rename", e); 15038 return false; 15039 } 15040 15041 if (!SELinux.restoreconRecursive(afterCodeFile)) { 15042 Slog.w(TAG, "Failed to restorecon"); 15043 return false; 15044 } 15045 15046 // Reflect the rename internally 15047 codeFile = afterCodeFile; 15048 resourceFile = afterCodeFile; 15049 15050 // Reflect the rename in scanned details 15051 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15052 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15053 afterCodeFile, pkg.baseCodePath)); 15054 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15055 afterCodeFile, pkg.splitCodePaths)); 15056 15057 // Reflect the rename in app info 15058 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15059 pkg.setApplicationInfoCodePath(pkg.codePath); 15060 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15061 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15062 pkg.setApplicationInfoResourcePath(pkg.codePath); 15063 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15064 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15065 15066 return true; 15067 } 15068 15069 int doPostInstall(int status, int uid) { 15070 if (status != PackageManager.INSTALL_SUCCEEDED) { 15071 cleanUp(); 15072 } 15073 return status; 15074 } 15075 15076 @Override 15077 String getCodePath() { 15078 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15079 } 15080 15081 @Override 15082 String getResourcePath() { 15083 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15084 } 15085 15086 private boolean cleanUp() { 15087 if (codeFile == null || !codeFile.exists()) { 15088 return false; 15089 } 15090 15091 removeCodePathLI(codeFile); 15092 15093 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 15094 resourceFile.delete(); 15095 } 15096 15097 return true; 15098 } 15099 15100 void cleanUpResourcesLI() { 15101 // Try enumerating all code paths before deleting 15102 List<String> allCodePaths = Collections.EMPTY_LIST; 15103 if (codeFile != null && codeFile.exists()) { 15104 try { 15105 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15106 allCodePaths = pkg.getAllCodePaths(); 15107 } catch (PackageParserException e) { 15108 // Ignored; we tried our best 15109 } 15110 } 15111 15112 cleanUp(); 15113 removeDexFiles(allCodePaths, instructionSets); 15114 } 15115 15116 boolean doPostDeleteLI(boolean delete) { 15117 // XXX err, shouldn't we respect the delete flag? 15118 cleanUpResourcesLI(); 15119 return true; 15120 } 15121 } 15122 15123 private boolean isAsecExternal(String cid) { 15124 final String asecPath = PackageHelper.getSdFilesystem(cid); 15125 return !asecPath.startsWith(mAsecInternalPath); 15126 } 15127 15128 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 15129 PackageManagerException { 15130 if (copyRet < 0) { 15131 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 15132 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 15133 throw new PackageManagerException(copyRet, message); 15134 } 15135 } 15136 } 15137 15138 /** 15139 * Extract the StorageManagerService "container ID" from the full code path of an 15140 * .apk. 15141 */ 15142 static String cidFromCodePath(String fullCodePath) { 15143 int eidx = fullCodePath.lastIndexOf("/"); 15144 String subStr1 = fullCodePath.substring(0, eidx); 15145 int sidx = subStr1.lastIndexOf("/"); 15146 return subStr1.substring(sidx+1, eidx); 15147 } 15148 15149 /** 15150 * Logic to handle installation of ASEC applications, including copying and 15151 * renaming logic. 15152 */ 15153 class AsecInstallArgs extends InstallArgs { 15154 static final String RES_FILE_NAME = "pkg.apk"; 15155 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 15156 15157 String cid; 15158 String packagePath; 15159 String resourcePath; 15160 15161 /** New install */ 15162 AsecInstallArgs(InstallParams params) { 15163 super(params.origin, params.move, params.observer, params.installFlags, 15164 params.installerPackageName, params.volumeUuid, 15165 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15166 params.grantedRuntimePermissions, 15167 params.traceMethod, params.traceCookie, params.certificates, 15168 params.installReason); 15169 } 15170 15171 /** Existing install */ 15172 AsecInstallArgs(String fullCodePath, String[] instructionSets, 15173 boolean isExternal, boolean isForwardLocked) { 15174 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 15175 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15176 instructionSets, null, null, null, 0, null /*certificates*/, 15177 PackageManager.INSTALL_REASON_UNKNOWN); 15178 // Hackily pretend we're still looking at a full code path 15179 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 15180 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 15181 } 15182 15183 // Extract cid from fullCodePath 15184 int eidx = fullCodePath.lastIndexOf("/"); 15185 String subStr1 = fullCodePath.substring(0, eidx); 15186 int sidx = subStr1.lastIndexOf("/"); 15187 cid = subStr1.substring(sidx+1, eidx); 15188 setMountPath(subStr1); 15189 } 15190 15191 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 15192 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 15193 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15194 instructionSets, null, null, null, 0, null /*certificates*/, 15195 PackageManager.INSTALL_REASON_UNKNOWN); 15196 this.cid = cid; 15197 setMountPath(PackageHelper.getSdDir(cid)); 15198 } 15199 15200 void createCopyFile() { 15201 cid = mInstallerService.allocateExternalStageCidLegacy(); 15202 } 15203 15204 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15205 if (origin.staged && origin.cid != null) { 15206 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 15207 cid = origin.cid; 15208 setMountPath(PackageHelper.getSdDir(cid)); 15209 return PackageManager.INSTALL_SUCCEEDED; 15210 } 15211 15212 if (temp) { 15213 createCopyFile(); 15214 } else { 15215 /* 15216 * Pre-emptively destroy the container since it's destroyed if 15217 * copying fails due to it existing anyway. 15218 */ 15219 PackageHelper.destroySdDir(cid); 15220 } 15221 15222 final String newMountPath = imcs.copyPackageToContainer( 15223 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 15224 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 15225 15226 if (newMountPath != null) { 15227 setMountPath(newMountPath); 15228 return PackageManager.INSTALL_SUCCEEDED; 15229 } else { 15230 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15231 } 15232 } 15233 15234 @Override 15235 String getCodePath() { 15236 return packagePath; 15237 } 15238 15239 @Override 15240 String getResourcePath() { 15241 return resourcePath; 15242 } 15243 15244 int doPreInstall(int status) { 15245 if (status != PackageManager.INSTALL_SUCCEEDED) { 15246 // Destroy container 15247 PackageHelper.destroySdDir(cid); 15248 } else { 15249 boolean mounted = PackageHelper.isContainerMounted(cid); 15250 if (!mounted) { 15251 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 15252 Process.SYSTEM_UID); 15253 if (newMountPath != null) { 15254 setMountPath(newMountPath); 15255 } else { 15256 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15257 } 15258 } 15259 } 15260 return status; 15261 } 15262 15263 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15264 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 15265 String newMountPath = null; 15266 if (PackageHelper.isContainerMounted(cid)) { 15267 // Unmount the container 15268 if (!PackageHelper.unMountSdDir(cid)) { 15269 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 15270 return false; 15271 } 15272 } 15273 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15274 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 15275 " which might be stale. Will try to clean up."); 15276 // Clean up the stale container and proceed to recreate. 15277 if (!PackageHelper.destroySdDir(newCacheId)) { 15278 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 15279 return false; 15280 } 15281 // Successfully cleaned up stale container. Try to rename again. 15282 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15283 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 15284 + " inspite of cleaning it up."); 15285 return false; 15286 } 15287 } 15288 if (!PackageHelper.isContainerMounted(newCacheId)) { 15289 Slog.w(TAG, "Mounting container " + newCacheId); 15290 newMountPath = PackageHelper.mountSdDir(newCacheId, 15291 getEncryptKey(), Process.SYSTEM_UID); 15292 } else { 15293 newMountPath = PackageHelper.getSdDir(newCacheId); 15294 } 15295 if (newMountPath == null) { 15296 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 15297 return false; 15298 } 15299 Log.i(TAG, "Succesfully renamed " + cid + 15300 " to " + newCacheId + 15301 " at new path: " + newMountPath); 15302 cid = newCacheId; 15303 15304 final File beforeCodeFile = new File(packagePath); 15305 setMountPath(newMountPath); 15306 final File afterCodeFile = new File(packagePath); 15307 15308 // Reflect the rename in scanned details 15309 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15310 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15311 afterCodeFile, pkg.baseCodePath)); 15312 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15313 afterCodeFile, pkg.splitCodePaths)); 15314 15315 // Reflect the rename in app info 15316 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15317 pkg.setApplicationInfoCodePath(pkg.codePath); 15318 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15319 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15320 pkg.setApplicationInfoResourcePath(pkg.codePath); 15321 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15322 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15323 15324 return true; 15325 } 15326 15327 private void setMountPath(String mountPath) { 15328 final File mountFile = new File(mountPath); 15329 15330 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 15331 if (monolithicFile.exists()) { 15332 packagePath = monolithicFile.getAbsolutePath(); 15333 if (isFwdLocked()) { 15334 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 15335 } else { 15336 resourcePath = packagePath; 15337 } 15338 } else { 15339 packagePath = mountFile.getAbsolutePath(); 15340 resourcePath = packagePath; 15341 } 15342 } 15343 15344 int doPostInstall(int status, int uid) { 15345 if (status != PackageManager.INSTALL_SUCCEEDED) { 15346 cleanUp(); 15347 } else { 15348 final int groupOwner; 15349 final String protectedFile; 15350 if (isFwdLocked()) { 15351 groupOwner = UserHandle.getSharedAppGid(uid); 15352 protectedFile = RES_FILE_NAME; 15353 } else { 15354 groupOwner = -1; 15355 protectedFile = null; 15356 } 15357 15358 if (uid < Process.FIRST_APPLICATION_UID 15359 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 15360 Slog.e(TAG, "Failed to finalize " + cid); 15361 PackageHelper.destroySdDir(cid); 15362 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15363 } 15364 15365 boolean mounted = PackageHelper.isContainerMounted(cid); 15366 if (!mounted) { 15367 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 15368 } 15369 } 15370 return status; 15371 } 15372 15373 private void cleanUp() { 15374 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 15375 15376 // Destroy secure container 15377 PackageHelper.destroySdDir(cid); 15378 } 15379 15380 private List<String> getAllCodePaths() { 15381 final File codeFile = new File(getCodePath()); 15382 if (codeFile != null && codeFile.exists()) { 15383 try { 15384 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15385 return pkg.getAllCodePaths(); 15386 } catch (PackageParserException e) { 15387 // Ignored; we tried our best 15388 } 15389 } 15390 return Collections.EMPTY_LIST; 15391 } 15392 15393 void cleanUpResourcesLI() { 15394 // Enumerate all code paths before deleting 15395 cleanUpResourcesLI(getAllCodePaths()); 15396 } 15397 15398 private void cleanUpResourcesLI(List<String> allCodePaths) { 15399 cleanUp(); 15400 removeDexFiles(allCodePaths, instructionSets); 15401 } 15402 15403 String getPackageName() { 15404 return getAsecPackageName(cid); 15405 } 15406 15407 boolean doPostDeleteLI(boolean delete) { 15408 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 15409 final List<String> allCodePaths = getAllCodePaths(); 15410 boolean mounted = PackageHelper.isContainerMounted(cid); 15411 if (mounted) { 15412 // Unmount first 15413 if (PackageHelper.unMountSdDir(cid)) { 15414 mounted = false; 15415 } 15416 } 15417 if (!mounted && delete) { 15418 cleanUpResourcesLI(allCodePaths); 15419 } 15420 return !mounted; 15421 } 15422 15423 @Override 15424 int doPreCopy() { 15425 if (isFwdLocked()) { 15426 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 15427 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 15428 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15429 } 15430 } 15431 15432 return PackageManager.INSTALL_SUCCEEDED; 15433 } 15434 15435 @Override 15436 int doPostCopy(int uid) { 15437 if (isFwdLocked()) { 15438 if (uid < Process.FIRST_APPLICATION_UID 15439 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 15440 RES_FILE_NAME)) { 15441 Slog.e(TAG, "Failed to finalize " + cid); 15442 PackageHelper.destroySdDir(cid); 15443 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15444 } 15445 } 15446 15447 return PackageManager.INSTALL_SUCCEEDED; 15448 } 15449 } 15450 15451 /** 15452 * Logic to handle movement of existing installed applications. 15453 */ 15454 class MoveInstallArgs extends InstallArgs { 15455 private File codeFile; 15456 private File resourceFile; 15457 15458 /** New install */ 15459 MoveInstallArgs(InstallParams params) { 15460 super(params.origin, params.move, params.observer, params.installFlags, 15461 params.installerPackageName, params.volumeUuid, 15462 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15463 params.grantedRuntimePermissions, 15464 params.traceMethod, params.traceCookie, params.certificates, 15465 params.installReason); 15466 } 15467 15468 int copyApk(IMediaContainerService imcs, boolean temp) { 15469 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 15470 + move.fromUuid + " to " + move.toUuid); 15471 synchronized (mInstaller) { 15472 try { 15473 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 15474 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 15475 } catch (InstallerException e) { 15476 Slog.w(TAG, "Failed to move app", e); 15477 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15478 } 15479 } 15480 15481 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 15482 resourceFile = codeFile; 15483 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 15484 15485 return PackageManager.INSTALL_SUCCEEDED; 15486 } 15487 15488 int doPreInstall(int status) { 15489 if (status != PackageManager.INSTALL_SUCCEEDED) { 15490 cleanUp(move.toUuid); 15491 } 15492 return status; 15493 } 15494 15495 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15496 if (status != PackageManager.INSTALL_SUCCEEDED) { 15497 cleanUp(move.toUuid); 15498 return false; 15499 } 15500 15501 // Reflect the move in app info 15502 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15503 pkg.setApplicationInfoCodePath(pkg.codePath); 15504 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15505 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15506 pkg.setApplicationInfoResourcePath(pkg.codePath); 15507 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15508 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15509 15510 return true; 15511 } 15512 15513 int doPostInstall(int status, int uid) { 15514 if (status == PackageManager.INSTALL_SUCCEEDED) { 15515 cleanUp(move.fromUuid); 15516 } else { 15517 cleanUp(move.toUuid); 15518 } 15519 return status; 15520 } 15521 15522 @Override 15523 String getCodePath() { 15524 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15525 } 15526 15527 @Override 15528 String getResourcePath() { 15529 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15530 } 15531 15532 private boolean cleanUp(String volumeUuid) { 15533 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 15534 move.dataAppName); 15535 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 15536 final int[] userIds = sUserManager.getUserIds(); 15537 synchronized (mInstallLock) { 15538 // Clean up both app data and code 15539 // All package moves are frozen until finished 15540 for (int userId : userIds) { 15541 try { 15542 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 15543 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 15544 } catch (InstallerException e) { 15545 Slog.w(TAG, String.valueOf(e)); 15546 } 15547 } 15548 removeCodePathLI(codeFile); 15549 } 15550 return true; 15551 } 15552 15553 void cleanUpResourcesLI() { 15554 throw new UnsupportedOperationException(); 15555 } 15556 15557 boolean doPostDeleteLI(boolean delete) { 15558 throw new UnsupportedOperationException(); 15559 } 15560 } 15561 15562 static String getAsecPackageName(String packageCid) { 15563 int idx = packageCid.lastIndexOf("-"); 15564 if (idx == -1) { 15565 return packageCid; 15566 } 15567 return packageCid.substring(0, idx); 15568 } 15569 15570 // Utility method used to create code paths based on package name and available index. 15571 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 15572 String idxStr = ""; 15573 int idx = 1; 15574 // Fall back to default value of idx=1 if prefix is not 15575 // part of oldCodePath 15576 if (oldCodePath != null) { 15577 String subStr = oldCodePath; 15578 // Drop the suffix right away 15579 if (suffix != null && subStr.endsWith(suffix)) { 15580 subStr = subStr.substring(0, subStr.length() - suffix.length()); 15581 } 15582 // If oldCodePath already contains prefix find out the 15583 // ending index to either increment or decrement. 15584 int sidx = subStr.lastIndexOf(prefix); 15585 if (sidx != -1) { 15586 subStr = subStr.substring(sidx + prefix.length()); 15587 if (subStr != null) { 15588 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 15589 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 15590 } 15591 try { 15592 idx = Integer.parseInt(subStr); 15593 if (idx <= 1) { 15594 idx++; 15595 } else { 15596 idx--; 15597 } 15598 } catch(NumberFormatException e) { 15599 } 15600 } 15601 } 15602 } 15603 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 15604 return prefix + idxStr; 15605 } 15606 15607 private File getNextCodePath(File targetDir, String packageName) { 15608 File result; 15609 SecureRandom random = new SecureRandom(); 15610 byte[] bytes = new byte[16]; 15611 do { 15612 random.nextBytes(bytes); 15613 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 15614 result = new File(targetDir, packageName + "-" + suffix); 15615 } while (result.exists()); 15616 return result; 15617 } 15618 15619 // Utility method that returns the relative package path with respect 15620 // to the installation directory. Like say for /data/data/com.test-1.apk 15621 // string com.test-1 is returned. 15622 static String deriveCodePathName(String codePath) { 15623 if (codePath == null) { 15624 return null; 15625 } 15626 final File codeFile = new File(codePath); 15627 final String name = codeFile.getName(); 15628 if (codeFile.isDirectory()) { 15629 return name; 15630 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 15631 final int lastDot = name.lastIndexOf('.'); 15632 return name.substring(0, lastDot); 15633 } else { 15634 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 15635 return null; 15636 } 15637 } 15638 15639 static class PackageInstalledInfo { 15640 String name; 15641 int uid; 15642 // The set of users that originally had this package installed. 15643 int[] origUsers; 15644 // The set of users that now have this package installed. 15645 int[] newUsers; 15646 PackageParser.Package pkg; 15647 int returnCode; 15648 String returnMsg; 15649 PackageRemovedInfo removedInfo; 15650 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 15651 15652 public void setError(int code, String msg) { 15653 setReturnCode(code); 15654 setReturnMessage(msg); 15655 Slog.w(TAG, msg); 15656 } 15657 15658 public void setError(String msg, PackageParserException e) { 15659 setReturnCode(e.error); 15660 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15661 Slog.w(TAG, msg, e); 15662 } 15663 15664 public void setError(String msg, PackageManagerException e) { 15665 returnCode = e.error; 15666 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15667 Slog.w(TAG, msg, e); 15668 } 15669 15670 public void setReturnCode(int returnCode) { 15671 this.returnCode = returnCode; 15672 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15673 for (int i = 0; i < childCount; i++) { 15674 addedChildPackages.valueAt(i).returnCode = returnCode; 15675 } 15676 } 15677 15678 private void setReturnMessage(String returnMsg) { 15679 this.returnMsg = returnMsg; 15680 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15681 for (int i = 0; i < childCount; i++) { 15682 addedChildPackages.valueAt(i).returnMsg = returnMsg; 15683 } 15684 } 15685 15686 // In some error cases we want to convey more info back to the observer 15687 String origPackage; 15688 String origPermission; 15689 } 15690 15691 /* 15692 * Install a non-existing package. 15693 */ 15694 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 15695 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 15696 PackageInstalledInfo res, int installReason) { 15697 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 15698 15699 // Remember this for later, in case we need to rollback this install 15700 String pkgName = pkg.packageName; 15701 15702 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 15703 15704 synchronized(mPackages) { 15705 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 15706 if (renamedPackage != null) { 15707 // A package with the same name is already installed, though 15708 // it has been renamed to an older name. The package we 15709 // are trying to install should be installed as an update to 15710 // the existing one, but that has not been requested, so bail. 15711 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15712 + " without first uninstalling package running as " 15713 + renamedPackage); 15714 return; 15715 } 15716 if (mPackages.containsKey(pkgName)) { 15717 // Don't allow installation over an existing package with the same name. 15718 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15719 + " without first uninstalling."); 15720 return; 15721 } 15722 } 15723 15724 try { 15725 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 15726 System.currentTimeMillis(), user); 15727 15728 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 15729 15730 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15731 prepareAppDataAfterInstallLIF(newPackage); 15732 15733 } else { 15734 // Remove package from internal structures, but keep around any 15735 // data that might have already existed 15736 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 15737 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 15738 } 15739 } catch (PackageManagerException e) { 15740 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15741 } 15742 15743 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15744 } 15745 15746 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 15747 // Can't rotate keys during boot or if sharedUser. 15748 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 15749 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 15750 return false; 15751 } 15752 // app is using upgradeKeySets; make sure all are valid 15753 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15754 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 15755 for (int i = 0; i < upgradeKeySets.length; i++) { 15756 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 15757 Slog.wtf(TAG, "Package " 15758 + (oldPs.name != null ? oldPs.name : "<null>") 15759 + " contains upgrade-key-set reference to unknown key-set: " 15760 + upgradeKeySets[i] 15761 + " reverting to signatures check."); 15762 return false; 15763 } 15764 } 15765 return true; 15766 } 15767 15768 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 15769 // Upgrade keysets are being used. Determine if new package has a superset of the 15770 // required keys. 15771 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 15772 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15773 for (int i = 0; i < upgradeKeySets.length; i++) { 15774 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 15775 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 15776 return true; 15777 } 15778 } 15779 return false; 15780 } 15781 15782 private static void updateDigest(MessageDigest digest, File file) throws IOException { 15783 try (DigestInputStream digestStream = 15784 new DigestInputStream(new FileInputStream(file), digest)) { 15785 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 15786 } 15787 } 15788 15789 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 15790 UserHandle user, String installerPackageName, PackageInstalledInfo res, 15791 int installReason) { 15792 final boolean isInstantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 15793 15794 final PackageParser.Package oldPackage; 15795 final String pkgName = pkg.packageName; 15796 final int[] allUsers; 15797 final int[] installedUsers; 15798 15799 synchronized(mPackages) { 15800 oldPackage = mPackages.get(pkgName); 15801 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 15802 15803 // don't allow upgrade to target a release SDK from a pre-release SDK 15804 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 15805 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15806 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 15807 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15808 if (oldTargetsPreRelease 15809 && !newTargetsPreRelease 15810 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 15811 Slog.w(TAG, "Can't install package targeting released sdk"); 15812 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 15813 return; 15814 } 15815 15816 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15817 15818 // verify signatures are valid 15819 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15820 if (!checkUpgradeKeySetLP(ps, pkg)) { 15821 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15822 "New package not signed by keys specified by upgrade-keysets: " 15823 + pkgName); 15824 return; 15825 } 15826 } else { 15827 // default to original signature matching 15828 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 15829 != PackageManager.SIGNATURE_MATCH) { 15830 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15831 "New package has a different signature: " + pkgName); 15832 return; 15833 } 15834 } 15835 15836 // don't allow a system upgrade unless the upgrade hash matches 15837 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 15838 byte[] digestBytes = null; 15839 try { 15840 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 15841 updateDigest(digest, new File(pkg.baseCodePath)); 15842 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 15843 for (String path : pkg.splitCodePaths) { 15844 updateDigest(digest, new File(path)); 15845 } 15846 } 15847 digestBytes = digest.digest(); 15848 } catch (NoSuchAlgorithmException | IOException e) { 15849 res.setError(INSTALL_FAILED_INVALID_APK, 15850 "Could not compute hash: " + pkgName); 15851 return; 15852 } 15853 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 15854 res.setError(INSTALL_FAILED_INVALID_APK, 15855 "New package fails restrict-update check: " + pkgName); 15856 return; 15857 } 15858 // retain upgrade restriction 15859 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 15860 } 15861 15862 // Check for shared user id changes 15863 String invalidPackageName = 15864 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 15865 if (invalidPackageName != null) { 15866 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 15867 "Package " + invalidPackageName + " tried to change user " 15868 + oldPackage.mSharedUserId); 15869 return; 15870 } 15871 15872 // In case of rollback, remember per-user/profile install state 15873 allUsers = sUserManager.getUserIds(); 15874 installedUsers = ps.queryInstalledUsers(allUsers, true); 15875 15876 // don't allow an upgrade from full to ephemeral 15877 if (isInstantApp) { 15878 if (user == null || user.getIdentifier() == UserHandle.USER_ALL) { 15879 for (int currentUser : allUsers) { 15880 if (!ps.getInstantApp(currentUser)) { 15881 // can't downgrade from full to instant 15882 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 15883 + " for user: " + currentUser); 15884 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15885 return; 15886 } 15887 } 15888 } else if (!ps.getInstantApp(user.getIdentifier())) { 15889 // can't downgrade from full to instant 15890 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 15891 + " for user: " + user.getIdentifier()); 15892 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15893 return; 15894 } 15895 } 15896 } 15897 15898 // Update what is removed 15899 res.removedInfo = new PackageRemovedInfo(); 15900 res.removedInfo.uid = oldPackage.applicationInfo.uid; 15901 res.removedInfo.removedPackage = oldPackage.packageName; 15902 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 15903 res.removedInfo.isUpdate = true; 15904 res.removedInfo.origUsers = installedUsers; 15905 final PackageSetting ps = mSettings.getPackageLPr(pkgName); 15906 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 15907 for (int i = 0; i < installedUsers.length; i++) { 15908 final int userId = installedUsers[i]; 15909 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 15910 } 15911 15912 final int childCount = (oldPackage.childPackages != null) 15913 ? oldPackage.childPackages.size() : 0; 15914 for (int i = 0; i < childCount; i++) { 15915 boolean childPackageUpdated = false; 15916 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 15917 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15918 if (res.addedChildPackages != null) { 15919 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15920 if (childRes != null) { 15921 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 15922 childRes.removedInfo.removedPackage = childPkg.packageName; 15923 childRes.removedInfo.isUpdate = true; 15924 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 15925 childPackageUpdated = true; 15926 } 15927 } 15928 if (!childPackageUpdated) { 15929 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 15930 childRemovedRes.removedPackage = childPkg.packageName; 15931 childRemovedRes.isUpdate = false; 15932 childRemovedRes.dataRemoved = true; 15933 synchronized (mPackages) { 15934 if (childPs != null) { 15935 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 15936 } 15937 } 15938 if (res.removedInfo.removedChildPackages == null) { 15939 res.removedInfo.removedChildPackages = new ArrayMap<>(); 15940 } 15941 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 15942 } 15943 } 15944 15945 boolean sysPkg = (isSystemApp(oldPackage)); 15946 if (sysPkg) { 15947 // Set the system/privileged flags as needed 15948 final boolean privileged = 15949 (oldPackage.applicationInfo.privateFlags 15950 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15951 final int systemPolicyFlags = policyFlags 15952 | PackageParser.PARSE_IS_SYSTEM 15953 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 15954 15955 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 15956 user, allUsers, installerPackageName, res, installReason); 15957 } else { 15958 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 15959 user, allUsers, installerPackageName, res, installReason); 15960 } 15961 } 15962 15963 public List<String> getPreviousCodePaths(String packageName) { 15964 final PackageSetting ps = mSettings.mPackages.get(packageName); 15965 final List<String> result = new ArrayList<String>(); 15966 if (ps != null && ps.oldCodePaths != null) { 15967 result.addAll(ps.oldCodePaths); 15968 } 15969 return result; 15970 } 15971 15972 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 15973 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 15974 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 15975 int installReason) { 15976 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 15977 + deletedPackage); 15978 15979 String pkgName = deletedPackage.packageName; 15980 boolean deletedPkg = true; 15981 boolean addedPkg = false; 15982 boolean updatedSettings = false; 15983 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 15984 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 15985 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 15986 15987 final long origUpdateTime = (pkg.mExtras != null) 15988 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 15989 15990 // First delete the existing package while retaining the data directory 15991 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15992 res.removedInfo, true, pkg)) { 15993 // If the existing package wasn't successfully deleted 15994 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 15995 deletedPkg = false; 15996 } else { 15997 // Successfully deleted the old package; proceed with replace. 15998 15999 // If deleted package lived in a container, give users a chance to 16000 // relinquish resources before killing. 16001 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 16002 if (DEBUG_INSTALL) { 16003 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 16004 } 16005 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 16006 final ArrayList<String> pkgList = new ArrayList<String>(1); 16007 pkgList.add(deletedPackage.applicationInfo.packageName); 16008 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 16009 } 16010 16011 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16012 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16013 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16014 16015 try { 16016 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 16017 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 16018 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16019 installReason); 16020 16021 // Update the in-memory copy of the previous code paths. 16022 PackageSetting ps = mSettings.mPackages.get(pkgName); 16023 if (!killApp) { 16024 if (ps.oldCodePaths == null) { 16025 ps.oldCodePaths = new ArraySet<>(); 16026 } 16027 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 16028 if (deletedPackage.splitCodePaths != null) { 16029 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 16030 } 16031 } else { 16032 ps.oldCodePaths = null; 16033 } 16034 if (ps.childPackageNames != null) { 16035 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 16036 final String childPkgName = ps.childPackageNames.get(i); 16037 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 16038 childPs.oldCodePaths = ps.oldCodePaths; 16039 } 16040 } 16041 // set instant app status, but, only if it's explicitly specified 16042 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 16043 final boolean fullApp = (scanFlags & SCAN_AS_FULL_APP) != 0; 16044 setInstantAppForUser(ps, user.getIdentifier(), instantApp, fullApp); 16045 prepareAppDataAfterInstallLIF(newPackage); 16046 addedPkg = true; 16047 mDexManager.notifyPackageUpdated(newPackage.packageName, 16048 newPackage.baseCodePath, newPackage.splitCodePaths); 16049 } catch (PackageManagerException e) { 16050 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16051 } 16052 } 16053 16054 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16055 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 16056 16057 // Revert all internal state mutations and added folders for the failed install 16058 if (addedPkg) { 16059 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16060 res.removedInfo, true, null); 16061 } 16062 16063 // Restore the old package 16064 if (deletedPkg) { 16065 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 16066 File restoreFile = new File(deletedPackage.codePath); 16067 // Parse old package 16068 boolean oldExternal = isExternal(deletedPackage); 16069 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 16070 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 16071 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 16072 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 16073 try { 16074 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 16075 null); 16076 } catch (PackageManagerException e) { 16077 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 16078 + e.getMessage()); 16079 return; 16080 } 16081 16082 synchronized (mPackages) { 16083 // Ensure the installer package name up to date 16084 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16085 16086 // Update permissions for restored package 16087 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16088 16089 mSettings.writeLPr(); 16090 } 16091 16092 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 16093 } 16094 } else { 16095 synchronized (mPackages) { 16096 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 16097 if (ps != null) { 16098 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16099 if (res.removedInfo.removedChildPackages != null) { 16100 final int childCount = res.removedInfo.removedChildPackages.size(); 16101 // Iterate in reverse as we may modify the collection 16102 for (int i = childCount - 1; i >= 0; i--) { 16103 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 16104 if (res.addedChildPackages.containsKey(childPackageName)) { 16105 res.removedInfo.removedChildPackages.removeAt(i); 16106 } else { 16107 PackageRemovedInfo childInfo = res.removedInfo 16108 .removedChildPackages.valueAt(i); 16109 childInfo.removedForAllUsers = mPackages.get( 16110 childInfo.removedPackage) == null; 16111 } 16112 } 16113 } 16114 } 16115 } 16116 } 16117 } 16118 16119 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 16120 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 16121 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16122 int installReason) { 16123 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 16124 + ", old=" + deletedPackage); 16125 16126 final boolean disabledSystem; 16127 16128 // Remove existing system package 16129 removePackageLI(deletedPackage, true); 16130 16131 synchronized (mPackages) { 16132 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 16133 } 16134 if (!disabledSystem) { 16135 // We didn't need to disable the .apk as a current system package, 16136 // which means we are replacing another update that is already 16137 // installed. We need to make sure to delete the older one's .apk. 16138 res.removedInfo.args = createInstallArgsForExisting(0, 16139 deletedPackage.applicationInfo.getCodePath(), 16140 deletedPackage.applicationInfo.getResourcePath(), 16141 getAppDexInstructionSets(deletedPackage.applicationInfo)); 16142 } else { 16143 res.removedInfo.args = null; 16144 } 16145 16146 // Successfully disabled the old package. Now proceed with re-installation 16147 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16148 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16149 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16150 16151 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16152 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 16153 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 16154 16155 PackageParser.Package newPackage = null; 16156 try { 16157 // Add the package to the internal data structures 16158 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 16159 16160 // Set the update and install times 16161 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 16162 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 16163 System.currentTimeMillis()); 16164 16165 // Update the package dynamic state if succeeded 16166 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16167 // Now that the install succeeded make sure we remove data 16168 // directories for any child package the update removed. 16169 final int deletedChildCount = (deletedPackage.childPackages != null) 16170 ? deletedPackage.childPackages.size() : 0; 16171 final int newChildCount = (newPackage.childPackages != null) 16172 ? newPackage.childPackages.size() : 0; 16173 for (int i = 0; i < deletedChildCount; i++) { 16174 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 16175 boolean childPackageDeleted = true; 16176 for (int j = 0; j < newChildCount; j++) { 16177 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 16178 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 16179 childPackageDeleted = false; 16180 break; 16181 } 16182 } 16183 if (childPackageDeleted) { 16184 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 16185 deletedChildPkg.packageName); 16186 if (ps != null && res.removedInfo.removedChildPackages != null) { 16187 PackageRemovedInfo removedChildRes = res.removedInfo 16188 .removedChildPackages.get(deletedChildPkg.packageName); 16189 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 16190 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 16191 } 16192 } 16193 } 16194 16195 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16196 installReason); 16197 prepareAppDataAfterInstallLIF(newPackage); 16198 16199 mDexManager.notifyPackageUpdated(newPackage.packageName, 16200 newPackage.baseCodePath, newPackage.splitCodePaths); 16201 } 16202 } catch (PackageManagerException e) { 16203 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 16204 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16205 } 16206 16207 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16208 // Re installation failed. Restore old information 16209 // Remove new pkg information 16210 if (newPackage != null) { 16211 removeInstalledPackageLI(newPackage, true); 16212 } 16213 // Add back the old system package 16214 try { 16215 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 16216 } catch (PackageManagerException e) { 16217 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 16218 } 16219 16220 synchronized (mPackages) { 16221 if (disabledSystem) { 16222 enableSystemPackageLPw(deletedPackage); 16223 } 16224 16225 // Ensure the installer package name up to date 16226 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16227 16228 // Update permissions for restored package 16229 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16230 16231 mSettings.writeLPr(); 16232 } 16233 16234 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 16235 + " after failed upgrade"); 16236 } 16237 } 16238 16239 /** 16240 * Checks whether the parent or any of the child packages have a change shared 16241 * user. For a package to be a valid update the shred users of the parent and 16242 * the children should match. We may later support changing child shared users. 16243 * @param oldPkg The updated package. 16244 * @param newPkg The update package. 16245 * @return The shared user that change between the versions. 16246 */ 16247 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 16248 PackageParser.Package newPkg) { 16249 // Check parent shared user 16250 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 16251 return newPkg.packageName; 16252 } 16253 // Check child shared users 16254 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16255 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 16256 for (int i = 0; i < newChildCount; i++) { 16257 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 16258 // If this child was present, did it have the same shared user? 16259 for (int j = 0; j < oldChildCount; j++) { 16260 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 16261 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 16262 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 16263 return newChildPkg.packageName; 16264 } 16265 } 16266 } 16267 return null; 16268 } 16269 16270 private void removeNativeBinariesLI(PackageSetting ps) { 16271 // Remove the lib path for the parent package 16272 if (ps != null) { 16273 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 16274 // Remove the lib path for the child packages 16275 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16276 for (int i = 0; i < childCount; i++) { 16277 PackageSetting childPs = null; 16278 synchronized (mPackages) { 16279 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16280 } 16281 if (childPs != null) { 16282 NativeLibraryHelper.removeNativeBinariesLI(childPs 16283 .legacyNativeLibraryPathString); 16284 } 16285 } 16286 } 16287 } 16288 16289 private void enableSystemPackageLPw(PackageParser.Package pkg) { 16290 // Enable the parent package 16291 mSettings.enableSystemPackageLPw(pkg.packageName); 16292 // Enable the child packages 16293 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16294 for (int i = 0; i < childCount; i++) { 16295 PackageParser.Package childPkg = pkg.childPackages.get(i); 16296 mSettings.enableSystemPackageLPw(childPkg.packageName); 16297 } 16298 } 16299 16300 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 16301 PackageParser.Package newPkg) { 16302 // Disable the parent package (parent always replaced) 16303 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 16304 // Disable the child packages 16305 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16306 for (int i = 0; i < childCount; i++) { 16307 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 16308 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 16309 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 16310 } 16311 return disabled; 16312 } 16313 16314 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 16315 String installerPackageName) { 16316 // Enable the parent package 16317 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 16318 // Enable the child packages 16319 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16320 for (int i = 0; i < childCount; i++) { 16321 PackageParser.Package childPkg = pkg.childPackages.get(i); 16322 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 16323 } 16324 } 16325 16326 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 16327 // Collect all used permissions in the UID 16328 ArraySet<String> usedPermissions = new ArraySet<>(); 16329 final int packageCount = su.packages.size(); 16330 for (int i = 0; i < packageCount; i++) { 16331 PackageSetting ps = su.packages.valueAt(i); 16332 if (ps.pkg == null) { 16333 continue; 16334 } 16335 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 16336 for (int j = 0; j < requestedPermCount; j++) { 16337 String permission = ps.pkg.requestedPermissions.get(j); 16338 BasePermission bp = mSettings.mPermissions.get(permission); 16339 if (bp != null) { 16340 usedPermissions.add(permission); 16341 } 16342 } 16343 } 16344 16345 PermissionsState permissionsState = su.getPermissionsState(); 16346 // Prune install permissions 16347 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 16348 final int installPermCount = installPermStates.size(); 16349 for (int i = installPermCount - 1; i >= 0; i--) { 16350 PermissionState permissionState = installPermStates.get(i); 16351 if (!usedPermissions.contains(permissionState.getName())) { 16352 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16353 if (bp != null) { 16354 permissionsState.revokeInstallPermission(bp); 16355 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 16356 PackageManager.MASK_PERMISSION_FLAGS, 0); 16357 } 16358 } 16359 } 16360 16361 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 16362 16363 // Prune runtime permissions 16364 for (int userId : allUserIds) { 16365 List<PermissionState> runtimePermStates = permissionsState 16366 .getRuntimePermissionStates(userId); 16367 final int runtimePermCount = runtimePermStates.size(); 16368 for (int i = runtimePermCount - 1; i >= 0; i--) { 16369 PermissionState permissionState = runtimePermStates.get(i); 16370 if (!usedPermissions.contains(permissionState.getName())) { 16371 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16372 if (bp != null) { 16373 permissionsState.revokeRuntimePermission(bp, userId); 16374 permissionsState.updatePermissionFlags(bp, userId, 16375 PackageManager.MASK_PERMISSION_FLAGS, 0); 16376 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 16377 runtimePermissionChangedUserIds, userId); 16378 } 16379 } 16380 } 16381 } 16382 16383 return runtimePermissionChangedUserIds; 16384 } 16385 16386 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 16387 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 16388 // Update the parent package setting 16389 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 16390 res, user, installReason); 16391 // Update the child packages setting 16392 final int childCount = (newPackage.childPackages != null) 16393 ? newPackage.childPackages.size() : 0; 16394 for (int i = 0; i < childCount; i++) { 16395 PackageParser.Package childPackage = newPackage.childPackages.get(i); 16396 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 16397 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 16398 childRes.origUsers, childRes, user, installReason); 16399 } 16400 } 16401 16402 private void updateSettingsInternalLI(PackageParser.Package newPackage, 16403 String installerPackageName, int[] allUsers, int[] installedForUsers, 16404 PackageInstalledInfo res, UserHandle user, int installReason) { 16405 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 16406 16407 String pkgName = newPackage.packageName; 16408 synchronized (mPackages) { 16409 //write settings. the installStatus will be incomplete at this stage. 16410 //note that the new package setting would have already been 16411 //added to mPackages. It hasn't been persisted yet. 16412 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 16413 // TODO: Remove this write? It's also written at the end of this method 16414 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16415 mSettings.writeLPr(); 16416 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16417 } 16418 16419 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 16420 synchronized (mPackages) { 16421 updatePermissionsLPw(newPackage.packageName, newPackage, 16422 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 16423 ? UPDATE_PERMISSIONS_ALL : 0)); 16424 // For system-bundled packages, we assume that installing an upgraded version 16425 // of the package implies that the user actually wants to run that new code, 16426 // so we enable the package. 16427 PackageSetting ps = mSettings.mPackages.get(pkgName); 16428 final int userId = user.getIdentifier(); 16429 if (ps != null) { 16430 if (isSystemApp(newPackage)) { 16431 if (DEBUG_INSTALL) { 16432 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 16433 } 16434 // Enable system package for requested users 16435 if (res.origUsers != null) { 16436 for (int origUserId : res.origUsers) { 16437 if (userId == UserHandle.USER_ALL || userId == origUserId) { 16438 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 16439 origUserId, installerPackageName); 16440 } 16441 } 16442 } 16443 // Also convey the prior install/uninstall state 16444 if (allUsers != null && installedForUsers != null) { 16445 for (int currentUserId : allUsers) { 16446 final boolean installed = ArrayUtils.contains( 16447 installedForUsers, currentUserId); 16448 if (DEBUG_INSTALL) { 16449 Slog.d(TAG, " user " + currentUserId + " => " + installed); 16450 } 16451 ps.setInstalled(installed, currentUserId); 16452 } 16453 // these install state changes will be persisted in the 16454 // upcoming call to mSettings.writeLPr(). 16455 } 16456 } 16457 // It's implied that when a user requests installation, they want the app to be 16458 // installed and enabled. 16459 if (userId != UserHandle.USER_ALL) { 16460 ps.setInstalled(true, userId); 16461 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 16462 } 16463 16464 // When replacing an existing package, preserve the original install reason for all 16465 // users that had the package installed before. 16466 final Set<Integer> previousUserIds = new ArraySet<>(); 16467 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 16468 final int installReasonCount = res.removedInfo.installReasons.size(); 16469 for (int i = 0; i < installReasonCount; i++) { 16470 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 16471 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 16472 ps.setInstallReason(previousInstallReason, previousUserId); 16473 previousUserIds.add(previousUserId); 16474 } 16475 } 16476 16477 // Set install reason for users that are having the package newly installed. 16478 if (userId == UserHandle.USER_ALL) { 16479 for (int currentUserId : sUserManager.getUserIds()) { 16480 if (!previousUserIds.contains(currentUserId)) { 16481 ps.setInstallReason(installReason, currentUserId); 16482 } 16483 } 16484 } else if (!previousUserIds.contains(userId)) { 16485 ps.setInstallReason(installReason, userId); 16486 } 16487 mSettings.writeKernelMappingLPr(ps); 16488 } 16489 res.name = pkgName; 16490 res.uid = newPackage.applicationInfo.uid; 16491 res.pkg = newPackage; 16492 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 16493 mSettings.setInstallerPackageName(pkgName, installerPackageName); 16494 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16495 //to update install status 16496 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16497 mSettings.writeLPr(); 16498 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16499 } 16500 16501 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16502 } 16503 16504 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 16505 try { 16506 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 16507 installPackageLI(args, res); 16508 } finally { 16509 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16510 } 16511 } 16512 16513 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 16514 final int installFlags = args.installFlags; 16515 final String installerPackageName = args.installerPackageName; 16516 final String volumeUuid = args.volumeUuid; 16517 final File tmpPackageFile = new File(args.getCodePath()); 16518 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 16519 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 16520 || (args.volumeUuid != null)); 16521 final boolean instantApp = ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0); 16522 final boolean fullApp = ((installFlags & PackageManager.INSTALL_FULL_APP) != 0); 16523 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 16524 boolean replace = false; 16525 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 16526 if (args.move != null) { 16527 // moving a complete application; perform an initial scan on the new install location 16528 scanFlags |= SCAN_INITIAL; 16529 } 16530 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 16531 scanFlags |= SCAN_DONT_KILL_APP; 16532 } 16533 if (instantApp) { 16534 scanFlags |= SCAN_AS_INSTANT_APP; 16535 } 16536 if (fullApp) { 16537 scanFlags |= SCAN_AS_FULL_APP; 16538 } 16539 16540 // Result object to be returned 16541 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16542 16543 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 16544 16545 // Sanity check 16546 if (instantApp && (forwardLocked || onExternal)) { 16547 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 16548 + " external=" + onExternal); 16549 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16550 return; 16551 } 16552 16553 // Retrieve PackageSettings and parse package 16554 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 16555 | PackageParser.PARSE_ENFORCE_CODE 16556 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 16557 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 16558 | (instantApp ? PackageParser.PARSE_IS_EPHEMERAL : 0) 16559 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 16560 PackageParser pp = new PackageParser(); 16561 pp.setSeparateProcesses(mSeparateProcesses); 16562 pp.setDisplayMetrics(mMetrics); 16563 pp.setCallback(mPackageParserCallback); 16564 16565 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 16566 final PackageParser.Package pkg; 16567 try { 16568 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 16569 } catch (PackageParserException e) { 16570 res.setError("Failed parse during installPackageLI", e); 16571 return; 16572 } finally { 16573 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16574 } 16575 16576 // Instant apps must have target SDK >= O and have targetSanboxVersion >= 2 16577 if (instantApp && pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.N_MR1) { 16578 Slog.w(TAG, "Instant app package " + pkg.packageName 16579 + " does not target O, this will be a fatal error."); 16580 // STOPSHIP: Make this a fatal error 16581 pkg.applicationInfo.targetSdkVersion = Build.VERSION_CODES.O; 16582 } 16583 if (instantApp && pkg.applicationInfo.targetSandboxVersion != 2) { 16584 Slog.w(TAG, "Instant app package " + pkg.packageName 16585 + " does not target targetSandboxVersion 2, this will be a fatal error."); 16586 // STOPSHIP: Make this a fatal error 16587 pkg.applicationInfo.targetSandboxVersion = 2; 16588 } 16589 16590 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16591 // Static shared libraries have synthetic package names 16592 renameStaticSharedLibraryPackage(pkg); 16593 16594 // No static shared libs on external storage 16595 if (onExternal) { 16596 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 16597 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16598 "Packages declaring static-shared libs cannot be updated"); 16599 return; 16600 } 16601 } 16602 16603 // If we are installing a clustered package add results for the children 16604 if (pkg.childPackages != null) { 16605 synchronized (mPackages) { 16606 final int childCount = pkg.childPackages.size(); 16607 for (int i = 0; i < childCount; i++) { 16608 PackageParser.Package childPkg = pkg.childPackages.get(i); 16609 PackageInstalledInfo childRes = new PackageInstalledInfo(); 16610 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16611 childRes.pkg = childPkg; 16612 childRes.name = childPkg.packageName; 16613 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16614 if (childPs != null) { 16615 childRes.origUsers = childPs.queryInstalledUsers( 16616 sUserManager.getUserIds(), true); 16617 } 16618 if ((mPackages.containsKey(childPkg.packageName))) { 16619 childRes.removedInfo = new PackageRemovedInfo(); 16620 childRes.removedInfo.removedPackage = childPkg.packageName; 16621 } 16622 if (res.addedChildPackages == null) { 16623 res.addedChildPackages = new ArrayMap<>(); 16624 } 16625 res.addedChildPackages.put(childPkg.packageName, childRes); 16626 } 16627 } 16628 } 16629 16630 // If package doesn't declare API override, mark that we have an install 16631 // time CPU ABI override. 16632 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 16633 pkg.cpuAbiOverride = args.abiOverride; 16634 } 16635 16636 String pkgName = res.name = pkg.packageName; 16637 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 16638 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 16639 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 16640 return; 16641 } 16642 } 16643 16644 try { 16645 // either use what we've been given or parse directly from the APK 16646 if (args.certificates != null) { 16647 try { 16648 PackageParser.populateCertificates(pkg, args.certificates); 16649 } catch (PackageParserException e) { 16650 // there was something wrong with the certificates we were given; 16651 // try to pull them from the APK 16652 PackageParser.collectCertificates(pkg, parseFlags); 16653 } 16654 } else { 16655 PackageParser.collectCertificates(pkg, parseFlags); 16656 } 16657 } catch (PackageParserException e) { 16658 res.setError("Failed collect during installPackageLI", e); 16659 return; 16660 } 16661 16662 // Get rid of all references to package scan path via parser. 16663 pp = null; 16664 String oldCodePath = null; 16665 boolean systemApp = false; 16666 synchronized (mPackages) { 16667 // Check if installing already existing package 16668 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 16669 String oldName = mSettings.getRenamedPackageLPr(pkgName); 16670 if (pkg.mOriginalPackages != null 16671 && pkg.mOriginalPackages.contains(oldName) 16672 && mPackages.containsKey(oldName)) { 16673 // This package is derived from an original package, 16674 // and this device has been updating from that original 16675 // name. We must continue using the original name, so 16676 // rename the new package here. 16677 pkg.setPackageName(oldName); 16678 pkgName = pkg.packageName; 16679 replace = true; 16680 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 16681 + oldName + " pkgName=" + pkgName); 16682 } else if (mPackages.containsKey(pkgName)) { 16683 // This package, under its official name, already exists 16684 // on the device; we should replace it. 16685 replace = true; 16686 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 16687 } 16688 16689 // Child packages are installed through the parent package 16690 if (pkg.parentPackage != null) { 16691 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16692 "Package " + pkg.packageName + " is child of package " 16693 + pkg.parentPackage.parentPackage + ". Child packages " 16694 + "can be updated only through the parent package."); 16695 return; 16696 } 16697 16698 if (replace) { 16699 // Prevent apps opting out from runtime permissions 16700 PackageParser.Package oldPackage = mPackages.get(pkgName); 16701 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 16702 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 16703 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 16704 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 16705 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 16706 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 16707 + " doesn't support runtime permissions but the old" 16708 + " target SDK " + oldTargetSdk + " does."); 16709 return; 16710 } 16711 // Prevent apps from downgrading their targetSandbox. 16712 final int oldTargetSandbox = oldPackage.applicationInfo.targetSandboxVersion; 16713 final int newTargetSandbox = pkg.applicationInfo.targetSandboxVersion; 16714 if (oldTargetSandbox == 2 && newTargetSandbox != 2) { 16715 res.setError(PackageManager.INSTALL_FAILED_SANDBOX_VERSION_DOWNGRADE, 16716 "Package " + pkg.packageName + " new target sandbox " 16717 + newTargetSandbox + " is incompatible with the previous value of" 16718 + oldTargetSandbox + "."); 16719 return; 16720 } 16721 16722 // Prevent installing of child packages 16723 if (oldPackage.parentPackage != null) { 16724 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16725 "Package " + pkg.packageName + " is child of package " 16726 + oldPackage.parentPackage + ". Child packages " 16727 + "can be updated only through the parent package."); 16728 return; 16729 } 16730 } 16731 } 16732 16733 PackageSetting ps = mSettings.mPackages.get(pkgName); 16734 if (ps != null) { 16735 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 16736 16737 // Static shared libs have same package with different versions where 16738 // we internally use a synthetic package name to allow multiple versions 16739 // of the same package, therefore we need to compare signatures against 16740 // the package setting for the latest library version. 16741 PackageSetting signatureCheckPs = ps; 16742 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16743 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 16744 if (libraryEntry != null) { 16745 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 16746 } 16747 } 16748 16749 // Quick sanity check that we're signed correctly if updating; 16750 // we'll check this again later when scanning, but we want to 16751 // bail early here before tripping over redefined permissions. 16752 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 16753 if (!checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 16754 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 16755 + pkg.packageName + " upgrade keys do not match the " 16756 + "previously installed version"); 16757 return; 16758 } 16759 } else { 16760 try { 16761 verifySignaturesLP(signatureCheckPs, pkg); 16762 } catch (PackageManagerException e) { 16763 res.setError(e.error, e.getMessage()); 16764 return; 16765 } 16766 } 16767 16768 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 16769 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 16770 systemApp = (ps.pkg.applicationInfo.flags & 16771 ApplicationInfo.FLAG_SYSTEM) != 0; 16772 } 16773 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16774 } 16775 16776 int N = pkg.permissions.size(); 16777 for (int i = N-1; i >= 0; i--) { 16778 PackageParser.Permission perm = pkg.permissions.get(i); 16779 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 16780 16781 // Don't allow anyone but the platform to define ephemeral permissions. 16782 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_FLAG_EPHEMERAL) != 0 16783 && !PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16784 Slog.w(TAG, "Package " + pkg.packageName 16785 + " attempting to delcare ephemeral permission " 16786 + perm.info.name + "; Removing ephemeral."); 16787 perm.info.protectionLevel &= ~PermissionInfo.PROTECTION_FLAG_EPHEMERAL; 16788 } 16789 // Check whether the newly-scanned package wants to define an already-defined perm 16790 if (bp != null) { 16791 // If the defining package is signed with our cert, it's okay. This 16792 // also includes the "updating the same package" case, of course. 16793 // "updating same package" could also involve key-rotation. 16794 final boolean sigsOk; 16795 if (bp.sourcePackage.equals(pkg.packageName) 16796 && (bp.packageSetting instanceof PackageSetting) 16797 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 16798 scanFlags))) { 16799 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 16800 } else { 16801 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 16802 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 16803 } 16804 if (!sigsOk) { 16805 // If the owning package is the system itself, we log but allow 16806 // install to proceed; we fail the install on all other permission 16807 // redefinitions. 16808 if (!bp.sourcePackage.equals("android")) { 16809 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 16810 + pkg.packageName + " attempting to redeclare permission " 16811 + perm.info.name + " already owned by " + bp.sourcePackage); 16812 res.origPermission = perm.info.name; 16813 res.origPackage = bp.sourcePackage; 16814 return; 16815 } else { 16816 Slog.w(TAG, "Package " + pkg.packageName 16817 + " attempting to redeclare system permission " 16818 + perm.info.name + "; ignoring new declaration"); 16819 pkg.permissions.remove(i); 16820 } 16821 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16822 // Prevent apps to change protection level to dangerous from any other 16823 // type as this would allow a privilege escalation where an app adds a 16824 // normal/signature permission in other app's group and later redefines 16825 // it as dangerous leading to the group auto-grant. 16826 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 16827 == PermissionInfo.PROTECTION_DANGEROUS) { 16828 if (bp != null && !bp.isRuntime()) { 16829 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 16830 + "non-runtime permission " + perm.info.name 16831 + " to runtime; keeping old protection level"); 16832 perm.info.protectionLevel = bp.protectionLevel; 16833 } 16834 } 16835 } 16836 } 16837 } 16838 } 16839 16840 if (systemApp) { 16841 if (onExternal) { 16842 // Abort update; system app can't be replaced with app on sdcard 16843 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16844 "Cannot install updates to system apps on sdcard"); 16845 return; 16846 } else if (instantApp) { 16847 // Abort update; system app can't be replaced with an instant app 16848 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16849 "Cannot update a system app with an instant app"); 16850 return; 16851 } 16852 } 16853 16854 if (args.move != null) { 16855 // We did an in-place move, so dex is ready to roll 16856 scanFlags |= SCAN_NO_DEX; 16857 scanFlags |= SCAN_MOVE; 16858 16859 synchronized (mPackages) { 16860 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16861 if (ps == null) { 16862 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 16863 "Missing settings for moved package " + pkgName); 16864 } 16865 16866 // We moved the entire application as-is, so bring over the 16867 // previously derived ABI information. 16868 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 16869 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 16870 } 16871 16872 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 16873 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 16874 scanFlags |= SCAN_NO_DEX; 16875 16876 try { 16877 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 16878 args.abiOverride : pkg.cpuAbiOverride); 16879 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 16880 true /*extractLibs*/, mAppLib32InstallDir); 16881 } catch (PackageManagerException pme) { 16882 Slog.e(TAG, "Error deriving application ABI", pme); 16883 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 16884 return; 16885 } 16886 16887 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 16888 // Do not run PackageDexOptimizer through the local performDexOpt 16889 // method because `pkg` may not be in `mPackages` yet. 16890 // 16891 // Also, don't fail application installs if the dexopt step fails. 16892 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 16893 null /* instructionSets */, false /* checkProfiles */, 16894 getCompilerFilterForReason(REASON_INSTALL), 16895 getOrCreateCompilerPackageStats(pkg), 16896 mDexManager.isUsedByOtherApps(pkg.packageName)); 16897 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16898 16899 // Notify BackgroundDexOptService that the package has been changed. 16900 // If this is an update of a package which used to fail to compile, 16901 // BDOS will remove it from its blacklist. 16902 // TODO: Layering violation 16903 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 16904 } 16905 16906 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 16907 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 16908 return; 16909 } 16910 16911 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 16912 16913 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 16914 "installPackageLI")) { 16915 if (replace) { 16916 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16917 // Static libs have a synthetic package name containing the version 16918 // and cannot be updated as an update would get a new package name, 16919 // unless this is the exact same version code which is useful for 16920 // development. 16921 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 16922 if (existingPkg != null && existingPkg.mVersionCode != pkg.mVersionCode) { 16923 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 16924 + "static-shared libs cannot be updated"); 16925 return; 16926 } 16927 } 16928 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 16929 installerPackageName, res, args.installReason); 16930 } else { 16931 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 16932 args.user, installerPackageName, volumeUuid, res, args.installReason); 16933 } 16934 } 16935 synchronized (mPackages) { 16936 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16937 if (ps != null) { 16938 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16939 ps.setUpdateAvailable(false /*updateAvailable*/); 16940 } 16941 16942 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16943 for (int i = 0; i < childCount; i++) { 16944 PackageParser.Package childPkg = pkg.childPackages.get(i); 16945 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16946 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16947 if (childPs != null) { 16948 childRes.newUsers = childPs.queryInstalledUsers( 16949 sUserManager.getUserIds(), true); 16950 } 16951 } 16952 16953 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16954 updateSequenceNumberLP(pkgName, res.newUsers); 16955 updateInstantAppInstallerLocked(); 16956 } 16957 } 16958 } 16959 16960 private void startIntentFilterVerifications(int userId, boolean replacing, 16961 PackageParser.Package pkg) { 16962 if (mIntentFilterVerifierComponent == null) { 16963 Slog.w(TAG, "No IntentFilter verification will not be done as " 16964 + "there is no IntentFilterVerifier available!"); 16965 return; 16966 } 16967 16968 final int verifierUid = getPackageUid( 16969 mIntentFilterVerifierComponent.getPackageName(), 16970 MATCH_DEBUG_TRIAGED_MISSING, 16971 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 16972 16973 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16974 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 16975 mHandler.sendMessage(msg); 16976 16977 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16978 for (int i = 0; i < childCount; i++) { 16979 PackageParser.Package childPkg = pkg.childPackages.get(i); 16980 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16981 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 16982 mHandler.sendMessage(msg); 16983 } 16984 } 16985 16986 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 16987 PackageParser.Package pkg) { 16988 int size = pkg.activities.size(); 16989 if (size == 0) { 16990 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16991 "No activity, so no need to verify any IntentFilter!"); 16992 return; 16993 } 16994 16995 final boolean hasDomainURLs = hasDomainURLs(pkg); 16996 if (!hasDomainURLs) { 16997 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16998 "No domain URLs, so no need to verify any IntentFilter!"); 16999 return; 17000 } 17001 17002 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 17003 + " if any IntentFilter from the " + size 17004 + " Activities needs verification ..."); 17005 17006 int count = 0; 17007 final String packageName = pkg.packageName; 17008 17009 synchronized (mPackages) { 17010 // If this is a new install and we see that we've already run verification for this 17011 // package, we have nothing to do: it means the state was restored from backup. 17012 if (!replacing) { 17013 IntentFilterVerificationInfo ivi = 17014 mSettings.getIntentFilterVerificationLPr(packageName); 17015 if (ivi != null) { 17016 if (DEBUG_DOMAIN_VERIFICATION) { 17017 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 17018 + ivi.getStatusString()); 17019 } 17020 return; 17021 } 17022 } 17023 17024 // If any filters need to be verified, then all need to be. 17025 boolean needToVerify = false; 17026 for (PackageParser.Activity a : pkg.activities) { 17027 for (ActivityIntentInfo filter : a.intents) { 17028 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 17029 if (DEBUG_DOMAIN_VERIFICATION) { 17030 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 17031 } 17032 needToVerify = true; 17033 break; 17034 } 17035 } 17036 } 17037 17038 if (needToVerify) { 17039 final int verificationId = mIntentFilterVerificationToken++; 17040 for (PackageParser.Activity a : pkg.activities) { 17041 for (ActivityIntentInfo filter : a.intents) { 17042 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 17043 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17044 "Verification needed for IntentFilter:" + filter.toString()); 17045 mIntentFilterVerifier.addOneIntentFilterVerification( 17046 verifierUid, userId, verificationId, filter, packageName); 17047 count++; 17048 } 17049 } 17050 } 17051 } 17052 } 17053 17054 if (count > 0) { 17055 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 17056 + " IntentFilter verification" + (count > 1 ? "s" : "") 17057 + " for userId:" + userId); 17058 mIntentFilterVerifier.startVerifications(userId); 17059 } else { 17060 if (DEBUG_DOMAIN_VERIFICATION) { 17061 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 17062 } 17063 } 17064 } 17065 17066 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 17067 final ComponentName cn = filter.activity.getComponentName(); 17068 final String packageName = cn.getPackageName(); 17069 17070 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 17071 packageName); 17072 if (ivi == null) { 17073 return true; 17074 } 17075 int status = ivi.getStatus(); 17076 switch (status) { 17077 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 17078 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 17079 return true; 17080 17081 default: 17082 // Nothing to do 17083 return false; 17084 } 17085 } 17086 17087 private static boolean isMultiArch(ApplicationInfo info) { 17088 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 17089 } 17090 17091 private static boolean isExternal(PackageParser.Package pkg) { 17092 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17093 } 17094 17095 private static boolean isExternal(PackageSetting ps) { 17096 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17097 } 17098 17099 private static boolean isSystemApp(PackageParser.Package pkg) { 17100 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 17101 } 17102 17103 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 17104 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 17105 } 17106 17107 private static boolean hasDomainURLs(PackageParser.Package pkg) { 17108 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 17109 } 17110 17111 private static boolean isSystemApp(PackageSetting ps) { 17112 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 17113 } 17114 17115 private static boolean isUpdatedSystemApp(PackageSetting ps) { 17116 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 17117 } 17118 17119 private int packageFlagsToInstallFlags(PackageSetting ps) { 17120 int installFlags = 0; 17121 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 17122 // This existing package was an external ASEC install when we have 17123 // the external flag without a UUID 17124 installFlags |= PackageManager.INSTALL_EXTERNAL; 17125 } 17126 if (ps.isForwardLocked()) { 17127 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 17128 } 17129 return installFlags; 17130 } 17131 17132 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 17133 if (isExternal(pkg)) { 17134 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17135 return StorageManager.UUID_PRIMARY_PHYSICAL; 17136 } else { 17137 return pkg.volumeUuid; 17138 } 17139 } else { 17140 return StorageManager.UUID_PRIVATE_INTERNAL; 17141 } 17142 } 17143 17144 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 17145 if (isExternal(pkg)) { 17146 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17147 return mSettings.getExternalVersion(); 17148 } else { 17149 return mSettings.findOrCreateVersion(pkg.volumeUuid); 17150 } 17151 } else { 17152 return mSettings.getInternalVersion(); 17153 } 17154 } 17155 17156 private void deleteTempPackageFiles() { 17157 final FilenameFilter filter = new FilenameFilter() { 17158 public boolean accept(File dir, String name) { 17159 return name.startsWith("vmdl") && name.endsWith(".tmp"); 17160 } 17161 }; 17162 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 17163 file.delete(); 17164 } 17165 } 17166 17167 @Override 17168 public void deletePackageAsUser(String packageName, int versionCode, 17169 IPackageDeleteObserver observer, int userId, int flags) { 17170 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 17171 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 17172 } 17173 17174 @Override 17175 public void deletePackageVersioned(VersionedPackage versionedPackage, 17176 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 17177 mContext.enforceCallingOrSelfPermission( 17178 android.Manifest.permission.DELETE_PACKAGES, null); 17179 Preconditions.checkNotNull(versionedPackage); 17180 Preconditions.checkNotNull(observer); 17181 Preconditions.checkArgumentInRange(versionedPackage.getVersionCode(), 17182 PackageManager.VERSION_CODE_HIGHEST, 17183 Integer.MAX_VALUE, "versionCode must be >= -1"); 17184 17185 final String packageName = versionedPackage.getPackageName(); 17186 // TODO: We will change version code to long, so in the new API it is long 17187 final int versionCode = (int) versionedPackage.getVersionCode(); 17188 final String internalPackageName; 17189 synchronized (mPackages) { 17190 // Normalize package name to handle renamed packages and static libs 17191 internalPackageName = resolveInternalPackageNameLPr(versionedPackage.getPackageName(), 17192 // TODO: We will change version code to long, so in the new API it is long 17193 (int) versionedPackage.getVersionCode()); 17194 } 17195 17196 final int uid = Binder.getCallingUid(); 17197 if (!isOrphaned(internalPackageName) 17198 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 17199 try { 17200 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 17201 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 17202 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 17203 observer.onUserActionRequired(intent); 17204 } catch (RemoteException re) { 17205 } 17206 return; 17207 } 17208 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 17209 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 17210 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 17211 mContext.enforceCallingOrSelfPermission( 17212 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 17213 "deletePackage for user " + userId); 17214 } 17215 17216 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 17217 try { 17218 observer.onPackageDeleted(packageName, 17219 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 17220 } catch (RemoteException re) { 17221 } 17222 return; 17223 } 17224 17225 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 17226 try { 17227 observer.onPackageDeleted(packageName, 17228 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 17229 } catch (RemoteException re) { 17230 } 17231 return; 17232 } 17233 17234 if (DEBUG_REMOVE) { 17235 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 17236 + " deleteAllUsers: " + deleteAllUsers + " version=" 17237 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 17238 ? "VERSION_CODE_HIGHEST" : versionCode)); 17239 } 17240 // Queue up an async operation since the package deletion may take a little while. 17241 mHandler.post(new Runnable() { 17242 public void run() { 17243 mHandler.removeCallbacks(this); 17244 int returnCode; 17245 if (!deleteAllUsers) { 17246 returnCode = deletePackageX(internalPackageName, versionCode, 17247 userId, deleteFlags); 17248 } else { 17249 int[] blockUninstallUserIds = getBlockUninstallForUsers( 17250 internalPackageName, users); 17251 // If nobody is blocking uninstall, proceed with delete for all users 17252 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 17253 returnCode = deletePackageX(internalPackageName, versionCode, 17254 userId, deleteFlags); 17255 } else { 17256 // Otherwise uninstall individually for users with blockUninstalls=false 17257 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 17258 for (int userId : users) { 17259 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 17260 returnCode = deletePackageX(internalPackageName, versionCode, 17261 userId, userFlags); 17262 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 17263 Slog.w(TAG, "Package delete failed for user " + userId 17264 + ", returnCode " + returnCode); 17265 } 17266 } 17267 } 17268 // The app has only been marked uninstalled for certain users. 17269 // We still need to report that delete was blocked 17270 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 17271 } 17272 } 17273 try { 17274 observer.onPackageDeleted(packageName, returnCode, null); 17275 } catch (RemoteException e) { 17276 Log.i(TAG, "Observer no longer exists."); 17277 } //end catch 17278 } //end run 17279 }); 17280 } 17281 17282 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 17283 if (pkg.staticSharedLibName != null) { 17284 return pkg.manifestPackageName; 17285 } 17286 return pkg.packageName; 17287 } 17288 17289 private String resolveInternalPackageNameLPr(String packageName, int versionCode) { 17290 // Handle renamed packages 17291 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 17292 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 17293 17294 // Is this a static library? 17295 SparseArray<SharedLibraryEntry> versionedLib = 17296 mStaticLibsByDeclaringPackage.get(packageName); 17297 if (versionedLib == null || versionedLib.size() <= 0) { 17298 return packageName; 17299 } 17300 17301 // Figure out which lib versions the caller can see 17302 SparseIntArray versionsCallerCanSee = null; 17303 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 17304 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 17305 && callingAppId != Process.ROOT_UID) { 17306 versionsCallerCanSee = new SparseIntArray(); 17307 String libName = versionedLib.valueAt(0).info.getName(); 17308 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 17309 if (uidPackages != null) { 17310 for (String uidPackage : uidPackages) { 17311 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 17312 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 17313 if (libIdx >= 0) { 17314 final int libVersion = ps.usesStaticLibrariesVersions[libIdx]; 17315 versionsCallerCanSee.append(libVersion, libVersion); 17316 } 17317 } 17318 } 17319 } 17320 17321 // Caller can see nothing - done 17322 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 17323 return packageName; 17324 } 17325 17326 // Find the version the caller can see and the app version code 17327 SharedLibraryEntry highestVersion = null; 17328 final int versionCount = versionedLib.size(); 17329 for (int i = 0; i < versionCount; i++) { 17330 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 17331 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 17332 libEntry.info.getVersion()) < 0) { 17333 continue; 17334 } 17335 // TODO: We will change version code to long, so in the new API it is long 17336 final int libVersionCode = (int) libEntry.info.getDeclaringPackage().getVersionCode(); 17337 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 17338 if (libVersionCode == versionCode) { 17339 return libEntry.apk; 17340 } 17341 } else if (highestVersion == null) { 17342 highestVersion = libEntry; 17343 } else if (libVersionCode > highestVersion.info 17344 .getDeclaringPackage().getVersionCode()) { 17345 highestVersion = libEntry; 17346 } 17347 } 17348 17349 if (highestVersion != null) { 17350 return highestVersion.apk; 17351 } 17352 17353 return packageName; 17354 } 17355 17356 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 17357 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 17358 || callingUid == Process.SYSTEM_UID) { 17359 return true; 17360 } 17361 final int callingUserId = UserHandle.getUserId(callingUid); 17362 // If the caller installed the pkgName, then allow it to silently uninstall. 17363 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 17364 return true; 17365 } 17366 17367 // Allow package verifier to silently uninstall. 17368 if (mRequiredVerifierPackage != null && 17369 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 17370 return true; 17371 } 17372 17373 // Allow package uninstaller to silently uninstall. 17374 if (mRequiredUninstallerPackage != null && 17375 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 17376 return true; 17377 } 17378 17379 // Allow storage manager to silently uninstall. 17380 if (mStorageManagerPackage != null && 17381 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 17382 return true; 17383 } 17384 return false; 17385 } 17386 17387 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 17388 int[] result = EMPTY_INT_ARRAY; 17389 for (int userId : userIds) { 17390 if (getBlockUninstallForUser(packageName, userId)) { 17391 result = ArrayUtils.appendInt(result, userId); 17392 } 17393 } 17394 return result; 17395 } 17396 17397 @Override 17398 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 17399 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 17400 } 17401 17402 private boolean isPackageDeviceAdmin(String packageName, int userId) { 17403 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 17404 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 17405 try { 17406 if (dpm != null) { 17407 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 17408 /* callingUserOnly =*/ false); 17409 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 17410 : deviceOwnerComponentName.getPackageName(); 17411 // Does the package contains the device owner? 17412 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 17413 // this check is probably not needed, since DO should be registered as a device 17414 // admin on some user too. (Original bug for this: b/17657954) 17415 if (packageName.equals(deviceOwnerPackageName)) { 17416 return true; 17417 } 17418 // Does it contain a device admin for any user? 17419 int[] users; 17420 if (userId == UserHandle.USER_ALL) { 17421 users = sUserManager.getUserIds(); 17422 } else { 17423 users = new int[]{userId}; 17424 } 17425 for (int i = 0; i < users.length; ++i) { 17426 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 17427 return true; 17428 } 17429 } 17430 } 17431 } catch (RemoteException e) { 17432 } 17433 return false; 17434 } 17435 17436 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 17437 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 17438 } 17439 17440 /** 17441 * This method is an internal method that could be get invoked either 17442 * to delete an installed package or to clean up a failed installation. 17443 * After deleting an installed package, a broadcast is sent to notify any 17444 * listeners that the package has been removed. For cleaning up a failed 17445 * installation, the broadcast is not necessary since the package's 17446 * installation wouldn't have sent the initial broadcast either 17447 * The key steps in deleting a package are 17448 * deleting the package information in internal structures like mPackages, 17449 * deleting the packages base directories through installd 17450 * updating mSettings to reflect current status 17451 * persisting settings for later use 17452 * sending a broadcast if necessary 17453 */ 17454 private int deletePackageX(String packageName, int versionCode, int userId, int deleteFlags) { 17455 final PackageRemovedInfo info = new PackageRemovedInfo(); 17456 final boolean res; 17457 17458 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 17459 ? UserHandle.USER_ALL : userId; 17460 17461 if (isPackageDeviceAdmin(packageName, removeUser)) { 17462 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 17463 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 17464 } 17465 17466 PackageSetting uninstalledPs = null; 17467 PackageParser.Package pkg = null; 17468 17469 // for the uninstall-updates case and restricted profiles, remember the per- 17470 // user handle installed state 17471 int[] allUsers; 17472 synchronized (mPackages) { 17473 uninstalledPs = mSettings.mPackages.get(packageName); 17474 if (uninstalledPs == null) { 17475 Slog.w(TAG, "Not removing non-existent package " + packageName); 17476 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17477 } 17478 17479 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 17480 && uninstalledPs.versionCode != versionCode) { 17481 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 17482 + uninstalledPs.versionCode + " != " + versionCode); 17483 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17484 } 17485 17486 // Static shared libs can be declared by any package, so let us not 17487 // allow removing a package if it provides a lib others depend on. 17488 pkg = mPackages.get(packageName); 17489 if (pkg != null && pkg.staticSharedLibName != null) { 17490 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 17491 pkg.staticSharedLibVersion); 17492 if (libEntry != null) { 17493 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 17494 libEntry.info, 0, userId); 17495 if (!ArrayUtils.isEmpty(libClientPackages)) { 17496 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 17497 + " hosting lib " + libEntry.info.getName() + " version " 17498 + libEntry.info.getVersion() + " used by " + libClientPackages); 17499 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 17500 } 17501 } 17502 } 17503 17504 allUsers = sUserManager.getUserIds(); 17505 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 17506 } 17507 17508 final int freezeUser; 17509 if (isUpdatedSystemApp(uninstalledPs) 17510 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 17511 // We're downgrading a system app, which will apply to all users, so 17512 // freeze them all during the downgrade 17513 freezeUser = UserHandle.USER_ALL; 17514 } else { 17515 freezeUser = removeUser; 17516 } 17517 17518 synchronized (mInstallLock) { 17519 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 17520 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 17521 deleteFlags, "deletePackageX")) { 17522 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 17523 deleteFlags | FLAGS_REMOVE_CHATTY, info, true, null); 17524 } 17525 synchronized (mPackages) { 17526 if (res) { 17527 if (pkg != null) { 17528 mInstantAppRegistry.onPackageUninstalledLPw(pkg, info.removedUsers); 17529 } 17530 updateSequenceNumberLP(packageName, info.removedUsers); 17531 updateInstantAppInstallerLocked(); 17532 } 17533 } 17534 } 17535 17536 if (res) { 17537 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 17538 info.sendPackageRemovedBroadcasts(killApp); 17539 info.sendSystemPackageUpdatedBroadcasts(); 17540 info.sendSystemPackageAppearedBroadcasts(); 17541 } 17542 // Force a gc here. 17543 Runtime.getRuntime().gc(); 17544 // Delete the resources here after sending the broadcast to let 17545 // other processes clean up before deleting resources. 17546 if (info.args != null) { 17547 synchronized (mInstallLock) { 17548 info.args.doPostDeleteLI(true); 17549 } 17550 } 17551 17552 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17553 } 17554 17555 class PackageRemovedInfo { 17556 String removedPackage; 17557 int uid = -1; 17558 int removedAppId = -1; 17559 int[] origUsers; 17560 int[] removedUsers = null; 17561 SparseArray<Integer> installReasons; 17562 boolean isRemovedPackageSystemUpdate = false; 17563 boolean isUpdate; 17564 boolean dataRemoved; 17565 boolean removedForAllUsers; 17566 boolean isStaticSharedLib; 17567 // Clean up resources deleted packages. 17568 InstallArgs args = null; 17569 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 17570 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 17571 17572 void sendPackageRemovedBroadcasts(boolean killApp) { 17573 sendPackageRemovedBroadcastInternal(killApp); 17574 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 17575 for (int i = 0; i < childCount; i++) { 17576 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17577 childInfo.sendPackageRemovedBroadcastInternal(killApp); 17578 } 17579 } 17580 17581 void sendSystemPackageUpdatedBroadcasts() { 17582 if (isRemovedPackageSystemUpdate) { 17583 sendSystemPackageUpdatedBroadcastsInternal(); 17584 final int childCount = (removedChildPackages != null) 17585 ? removedChildPackages.size() : 0; 17586 for (int i = 0; i < childCount; i++) { 17587 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17588 if (childInfo.isRemovedPackageSystemUpdate) { 17589 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 17590 } 17591 } 17592 } 17593 } 17594 17595 void sendSystemPackageAppearedBroadcasts() { 17596 final int packageCount = (appearedChildPackages != null) 17597 ? appearedChildPackages.size() : 0; 17598 for (int i = 0; i < packageCount; i++) { 17599 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 17600 sendPackageAddedForNewUsers(installedInfo.name, true, 17601 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers); 17602 } 17603 } 17604 17605 private void sendSystemPackageUpdatedBroadcastsInternal() { 17606 Bundle extras = new Bundle(2); 17607 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17608 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17609 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 17610 extras, 0, null, null, null); 17611 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 17612 extras, 0, null, null, null); 17613 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 17614 null, 0, removedPackage, null, null); 17615 } 17616 17617 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 17618 // Don't send static shared library removal broadcasts as these 17619 // libs are visible only the the apps that depend on them an one 17620 // cannot remove the library if it has a dependency. 17621 if (isStaticSharedLib) { 17622 return; 17623 } 17624 Bundle extras = new Bundle(2); 17625 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17626 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 17627 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 17628 if (isUpdate || isRemovedPackageSystemUpdate) { 17629 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17630 } 17631 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 17632 if (removedPackage != null) { 17633 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 17634 extras, 0, null, null, removedUsers); 17635 if (dataRemoved && !isRemovedPackageSystemUpdate) { 17636 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 17637 removedPackage, extras, Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 17638 null, null, removedUsers); 17639 } 17640 } 17641 if (removedAppId >= 0) { 17642 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 17643 removedUsers); 17644 } 17645 } 17646 } 17647 17648 /* 17649 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 17650 * flag is not set, the data directory is removed as well. 17651 * make sure this flag is set for partially installed apps. If not its meaningless to 17652 * delete a partially installed application. 17653 */ 17654 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 17655 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 17656 String packageName = ps.name; 17657 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 17658 // Retrieve object to delete permissions for shared user later on 17659 final PackageParser.Package deletedPkg; 17660 final PackageSetting deletedPs; 17661 // reader 17662 synchronized (mPackages) { 17663 deletedPkg = mPackages.get(packageName); 17664 deletedPs = mSettings.mPackages.get(packageName); 17665 if (outInfo != null) { 17666 outInfo.removedPackage = packageName; 17667 outInfo.isStaticSharedLib = deletedPkg != null 17668 && deletedPkg.staticSharedLibName != null; 17669 outInfo.removedUsers = deletedPs != null 17670 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 17671 : null; 17672 } 17673 } 17674 17675 removePackageLI(ps, (flags & FLAGS_REMOVE_CHATTY) != 0); 17676 17677 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 17678 final PackageParser.Package resolvedPkg; 17679 if (deletedPkg != null) { 17680 resolvedPkg = deletedPkg; 17681 } else { 17682 // We don't have a parsed package when it lives on an ejected 17683 // adopted storage device, so fake something together 17684 resolvedPkg = new PackageParser.Package(ps.name); 17685 resolvedPkg.setVolumeUuid(ps.volumeUuid); 17686 } 17687 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 17688 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17689 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 17690 if (outInfo != null) { 17691 outInfo.dataRemoved = true; 17692 } 17693 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 17694 } 17695 17696 int removedAppId = -1; 17697 17698 // writer 17699 synchronized (mPackages) { 17700 boolean installedStateChanged = false; 17701 if (deletedPs != null) { 17702 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 17703 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 17704 clearDefaultBrowserIfNeeded(packageName); 17705 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 17706 removedAppId = mSettings.removePackageLPw(packageName); 17707 if (outInfo != null) { 17708 outInfo.removedAppId = removedAppId; 17709 } 17710 updatePermissionsLPw(deletedPs.name, null, 0); 17711 if (deletedPs.sharedUser != null) { 17712 // Remove permissions associated with package. Since runtime 17713 // permissions are per user we have to kill the removed package 17714 // or packages running under the shared user of the removed 17715 // package if revoking the permissions requested only by the removed 17716 // package is successful and this causes a change in gids. 17717 for (int userId : UserManagerService.getInstance().getUserIds()) { 17718 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 17719 userId); 17720 if (userIdToKill == UserHandle.USER_ALL 17721 || userIdToKill >= UserHandle.USER_SYSTEM) { 17722 // If gids changed for this user, kill all affected packages. 17723 mHandler.post(new Runnable() { 17724 @Override 17725 public void run() { 17726 // This has to happen with no lock held. 17727 killApplication(deletedPs.name, deletedPs.appId, 17728 KILL_APP_REASON_GIDS_CHANGED); 17729 } 17730 }); 17731 break; 17732 } 17733 } 17734 } 17735 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 17736 } 17737 // make sure to preserve per-user disabled state if this removal was just 17738 // a downgrade of a system app to the factory package 17739 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 17740 if (DEBUG_REMOVE) { 17741 Slog.d(TAG, "Propagating install state across downgrade"); 17742 } 17743 for (int userId : allUserHandles) { 17744 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17745 if (DEBUG_REMOVE) { 17746 Slog.d(TAG, " user " + userId + " => " + installed); 17747 } 17748 if (installed != ps.getInstalled(userId)) { 17749 installedStateChanged = true; 17750 } 17751 ps.setInstalled(installed, userId); 17752 } 17753 } 17754 } 17755 // can downgrade to reader 17756 if (writeSettings) { 17757 // Save settings now 17758 mSettings.writeLPr(); 17759 } 17760 if (installedStateChanged) { 17761 mSettings.writeKernelMappingLPr(ps); 17762 } 17763 } 17764 if (removedAppId != -1) { 17765 // A user ID was deleted here. Go through all users and remove it 17766 // from KeyStore. 17767 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 17768 } 17769 } 17770 17771 static boolean locationIsPrivileged(File path) { 17772 try { 17773 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 17774 .getCanonicalPath(); 17775 return path.getCanonicalPath().startsWith(privilegedAppDir); 17776 } catch (IOException e) { 17777 Slog.e(TAG, "Unable to access code path " + path); 17778 } 17779 return false; 17780 } 17781 17782 /* 17783 * Tries to delete system package. 17784 */ 17785 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 17786 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 17787 boolean writeSettings) { 17788 if (deletedPs.parentPackageName != null) { 17789 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 17790 return false; 17791 } 17792 17793 final boolean applyUserRestrictions 17794 = (allUserHandles != null) && (outInfo.origUsers != null); 17795 final PackageSetting disabledPs; 17796 // Confirm if the system package has been updated 17797 // An updated system app can be deleted. This will also have to restore 17798 // the system pkg from system partition 17799 // reader 17800 synchronized (mPackages) { 17801 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 17802 } 17803 17804 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 17805 + " disabledPs=" + disabledPs); 17806 17807 if (disabledPs == null) { 17808 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 17809 return false; 17810 } else if (DEBUG_REMOVE) { 17811 Slog.d(TAG, "Deleting system pkg from data partition"); 17812 } 17813 17814 if (DEBUG_REMOVE) { 17815 if (applyUserRestrictions) { 17816 Slog.d(TAG, "Remembering install states:"); 17817 for (int userId : allUserHandles) { 17818 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 17819 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 17820 } 17821 } 17822 } 17823 17824 // Delete the updated package 17825 outInfo.isRemovedPackageSystemUpdate = true; 17826 if (outInfo.removedChildPackages != null) { 17827 final int childCount = (deletedPs.childPackageNames != null) 17828 ? deletedPs.childPackageNames.size() : 0; 17829 for (int i = 0; i < childCount; i++) { 17830 String childPackageName = deletedPs.childPackageNames.get(i); 17831 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 17832 .contains(childPackageName)) { 17833 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17834 childPackageName); 17835 if (childInfo != null) { 17836 childInfo.isRemovedPackageSystemUpdate = true; 17837 } 17838 } 17839 } 17840 } 17841 17842 if (disabledPs.versionCode < deletedPs.versionCode) { 17843 // Delete data for downgrades 17844 flags &= ~PackageManager.DELETE_KEEP_DATA; 17845 } else { 17846 // Preserve data by setting flag 17847 flags |= PackageManager.DELETE_KEEP_DATA; 17848 } 17849 17850 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 17851 outInfo, writeSettings, disabledPs.pkg); 17852 if (!ret) { 17853 return false; 17854 } 17855 17856 // writer 17857 synchronized (mPackages) { 17858 // Reinstate the old system package 17859 enableSystemPackageLPw(disabledPs.pkg); 17860 // Remove any native libraries from the upgraded package. 17861 removeNativeBinariesLI(deletedPs); 17862 } 17863 17864 // Install the system package 17865 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 17866 int parseFlags = mDefParseFlags 17867 | PackageParser.PARSE_MUST_BE_APK 17868 | PackageParser.PARSE_IS_SYSTEM 17869 | PackageParser.PARSE_IS_SYSTEM_DIR; 17870 if (locationIsPrivileged(disabledPs.codePath)) { 17871 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 17872 } 17873 17874 final PackageParser.Package newPkg; 17875 try { 17876 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 17877 0 /* currentTime */, null); 17878 } catch (PackageManagerException e) { 17879 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 17880 + e.getMessage()); 17881 return false; 17882 } 17883 17884 try { 17885 // update shared libraries for the newly re-installed system package 17886 updateSharedLibrariesLPr(newPkg, null); 17887 } catch (PackageManagerException e) { 17888 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 17889 } 17890 17891 prepareAppDataAfterInstallLIF(newPkg); 17892 17893 // writer 17894 synchronized (mPackages) { 17895 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 17896 17897 // Propagate the permissions state as we do not want to drop on the floor 17898 // runtime permissions. The update permissions method below will take 17899 // care of removing obsolete permissions and grant install permissions. 17900 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 17901 updatePermissionsLPw(newPkg.packageName, newPkg, 17902 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 17903 17904 if (applyUserRestrictions) { 17905 boolean installedStateChanged = false; 17906 if (DEBUG_REMOVE) { 17907 Slog.d(TAG, "Propagating install state across reinstall"); 17908 } 17909 for (int userId : allUserHandles) { 17910 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17911 if (DEBUG_REMOVE) { 17912 Slog.d(TAG, " user " + userId + " => " + installed); 17913 } 17914 if (installed != ps.getInstalled(userId)) { 17915 installedStateChanged = true; 17916 } 17917 ps.setInstalled(installed, userId); 17918 17919 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17920 } 17921 // Regardless of writeSettings we need to ensure that this restriction 17922 // state propagation is persisted 17923 mSettings.writeAllUsersPackageRestrictionsLPr(); 17924 if (installedStateChanged) { 17925 mSettings.writeKernelMappingLPr(ps); 17926 } 17927 } 17928 // can downgrade to reader here 17929 if (writeSettings) { 17930 mSettings.writeLPr(); 17931 } 17932 } 17933 return true; 17934 } 17935 17936 private boolean deleteInstalledPackageLIF(PackageSetting ps, 17937 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 17938 PackageRemovedInfo outInfo, boolean writeSettings, 17939 PackageParser.Package replacingPackage) { 17940 synchronized (mPackages) { 17941 if (outInfo != null) { 17942 outInfo.uid = ps.appId; 17943 } 17944 17945 if (outInfo != null && outInfo.removedChildPackages != null) { 17946 final int childCount = (ps.childPackageNames != null) 17947 ? ps.childPackageNames.size() : 0; 17948 for (int i = 0; i < childCount; i++) { 17949 String childPackageName = ps.childPackageNames.get(i); 17950 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 17951 if (childPs == null) { 17952 return false; 17953 } 17954 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17955 childPackageName); 17956 if (childInfo != null) { 17957 childInfo.uid = childPs.appId; 17958 } 17959 } 17960 } 17961 } 17962 17963 // Delete package data from internal structures and also remove data if flag is set 17964 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 17965 17966 // Delete the child packages data 17967 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 17968 for (int i = 0; i < childCount; i++) { 17969 PackageSetting childPs; 17970 synchronized (mPackages) { 17971 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 17972 } 17973 if (childPs != null) { 17974 PackageRemovedInfo childOutInfo = (outInfo != null 17975 && outInfo.removedChildPackages != null) 17976 ? outInfo.removedChildPackages.get(childPs.name) : null; 17977 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 17978 && (replacingPackage != null 17979 && !replacingPackage.hasChildPackage(childPs.name)) 17980 ? flags & ~DELETE_KEEP_DATA : flags; 17981 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 17982 deleteFlags, writeSettings); 17983 } 17984 } 17985 17986 // Delete application code and resources only for parent packages 17987 if (ps.parentPackageName == null) { 17988 if (deleteCodeAndResources && (outInfo != null)) { 17989 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 17990 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 17991 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 17992 } 17993 } 17994 17995 return true; 17996 } 17997 17998 @Override 17999 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 18000 int userId) { 18001 mContext.enforceCallingOrSelfPermission( 18002 android.Manifest.permission.DELETE_PACKAGES, null); 18003 synchronized (mPackages) { 18004 PackageSetting ps = mSettings.mPackages.get(packageName); 18005 if (ps == null) { 18006 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 18007 return false; 18008 } 18009 // Cannot block uninstall of static shared libs as they are 18010 // considered a part of the using app (emulating static linking). 18011 // Also static libs are installed always on internal storage. 18012 PackageParser.Package pkg = mPackages.get(packageName); 18013 if (pkg != null && pkg.staticSharedLibName != null) { 18014 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 18015 + " providing static shared library: " + pkg.staticSharedLibName); 18016 return false; 18017 } 18018 if (!ps.getInstalled(userId)) { 18019 // Can't block uninstall for an app that is not installed or enabled. 18020 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 18021 return false; 18022 } 18023 ps.setBlockUninstall(blockUninstall, userId); 18024 mSettings.writePackageRestrictionsLPr(userId); 18025 } 18026 return true; 18027 } 18028 18029 @Override 18030 public boolean getBlockUninstallForUser(String packageName, int userId) { 18031 synchronized (mPackages) { 18032 PackageSetting ps = mSettings.mPackages.get(packageName); 18033 if (ps == null) { 18034 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 18035 return false; 18036 } 18037 return ps.getBlockUninstall(userId); 18038 } 18039 } 18040 18041 @Override 18042 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 18043 int callingUid = Binder.getCallingUid(); 18044 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 18045 throw new SecurityException( 18046 "setRequiredForSystemUser can only be run by the system or root"); 18047 } 18048 synchronized (mPackages) { 18049 PackageSetting ps = mSettings.mPackages.get(packageName); 18050 if (ps == null) { 18051 Log.w(TAG, "Package doesn't exist: " + packageName); 18052 return false; 18053 } 18054 if (systemUserApp) { 18055 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18056 } else { 18057 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18058 } 18059 mSettings.writeLPr(); 18060 } 18061 return true; 18062 } 18063 18064 /* 18065 * This method handles package deletion in general 18066 */ 18067 private boolean deletePackageLIF(String packageName, UserHandle user, 18068 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 18069 PackageRemovedInfo outInfo, boolean writeSettings, 18070 PackageParser.Package replacingPackage) { 18071 if (packageName == null) { 18072 Slog.w(TAG, "Attempt to delete null packageName."); 18073 return false; 18074 } 18075 18076 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 18077 18078 PackageSetting ps; 18079 synchronized (mPackages) { 18080 ps = mSettings.mPackages.get(packageName); 18081 if (ps == null) { 18082 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18083 return false; 18084 } 18085 18086 if (ps.parentPackageName != null && (!isSystemApp(ps) 18087 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 18088 if (DEBUG_REMOVE) { 18089 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 18090 + ((user == null) ? UserHandle.USER_ALL : user)); 18091 } 18092 final int removedUserId = (user != null) ? user.getIdentifier() 18093 : UserHandle.USER_ALL; 18094 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 18095 return false; 18096 } 18097 markPackageUninstalledForUserLPw(ps, user); 18098 scheduleWritePackageRestrictionsLocked(user); 18099 return true; 18100 } 18101 } 18102 18103 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 18104 && user.getIdentifier() != UserHandle.USER_ALL)) { 18105 // The caller is asking that the package only be deleted for a single 18106 // user. To do this, we just mark its uninstalled state and delete 18107 // its data. If this is a system app, we only allow this to happen if 18108 // they have set the special DELETE_SYSTEM_APP which requests different 18109 // semantics than normal for uninstalling system apps. 18110 markPackageUninstalledForUserLPw(ps, user); 18111 18112 if (!isSystemApp(ps)) { 18113 // Do not uninstall the APK if an app should be cached 18114 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 18115 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 18116 // Other user still have this package installed, so all 18117 // we need to do is clear this user's data and save that 18118 // it is uninstalled. 18119 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 18120 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18121 return false; 18122 } 18123 scheduleWritePackageRestrictionsLocked(user); 18124 return true; 18125 } else { 18126 // We need to set it back to 'installed' so the uninstall 18127 // broadcasts will be sent correctly. 18128 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 18129 ps.setInstalled(true, user.getIdentifier()); 18130 mSettings.writeKernelMappingLPr(ps); 18131 } 18132 } else { 18133 // This is a system app, so we assume that the 18134 // other users still have this package installed, so all 18135 // we need to do is clear this user's data and save that 18136 // it is uninstalled. 18137 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 18138 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18139 return false; 18140 } 18141 scheduleWritePackageRestrictionsLocked(user); 18142 return true; 18143 } 18144 } 18145 18146 // If we are deleting a composite package for all users, keep track 18147 // of result for each child. 18148 if (ps.childPackageNames != null && outInfo != null) { 18149 synchronized (mPackages) { 18150 final int childCount = ps.childPackageNames.size(); 18151 outInfo.removedChildPackages = new ArrayMap<>(childCount); 18152 for (int i = 0; i < childCount; i++) { 18153 String childPackageName = ps.childPackageNames.get(i); 18154 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 18155 childInfo.removedPackage = childPackageName; 18156 outInfo.removedChildPackages.put(childPackageName, childInfo); 18157 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18158 if (childPs != null) { 18159 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 18160 } 18161 } 18162 } 18163 } 18164 18165 boolean ret = false; 18166 if (isSystemApp(ps)) { 18167 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 18168 // When an updated system application is deleted we delete the existing resources 18169 // as well and fall back to existing code in system partition 18170 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 18171 } else { 18172 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 18173 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 18174 outInfo, writeSettings, replacingPackage); 18175 } 18176 18177 // Take a note whether we deleted the package for all users 18178 if (outInfo != null) { 18179 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 18180 if (outInfo.removedChildPackages != null) { 18181 synchronized (mPackages) { 18182 final int childCount = outInfo.removedChildPackages.size(); 18183 for (int i = 0; i < childCount; i++) { 18184 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 18185 if (childInfo != null) { 18186 childInfo.removedForAllUsers = mPackages.get( 18187 childInfo.removedPackage) == null; 18188 } 18189 } 18190 } 18191 } 18192 // If we uninstalled an update to a system app there may be some 18193 // child packages that appeared as they are declared in the system 18194 // app but were not declared in the update. 18195 if (isSystemApp(ps)) { 18196 synchronized (mPackages) { 18197 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 18198 final int childCount = (updatedPs.childPackageNames != null) 18199 ? updatedPs.childPackageNames.size() : 0; 18200 for (int i = 0; i < childCount; i++) { 18201 String childPackageName = updatedPs.childPackageNames.get(i); 18202 if (outInfo.removedChildPackages == null 18203 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 18204 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18205 if (childPs == null) { 18206 continue; 18207 } 18208 PackageInstalledInfo installRes = new PackageInstalledInfo(); 18209 installRes.name = childPackageName; 18210 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 18211 installRes.pkg = mPackages.get(childPackageName); 18212 installRes.uid = childPs.pkg.applicationInfo.uid; 18213 if (outInfo.appearedChildPackages == null) { 18214 outInfo.appearedChildPackages = new ArrayMap<>(); 18215 } 18216 outInfo.appearedChildPackages.put(childPackageName, installRes); 18217 } 18218 } 18219 } 18220 } 18221 } 18222 18223 return ret; 18224 } 18225 18226 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 18227 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 18228 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 18229 for (int nextUserId : userIds) { 18230 if (DEBUG_REMOVE) { 18231 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 18232 } 18233 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 18234 false /*installed*/, 18235 true /*stopped*/, 18236 true /*notLaunched*/, 18237 false /*hidden*/, 18238 false /*suspended*/, 18239 false /*instantApp*/, 18240 null /*lastDisableAppCaller*/, 18241 null /*enabledComponents*/, 18242 null /*disabledComponents*/, 18243 false /*blockUninstall*/, 18244 ps.readUserState(nextUserId).domainVerificationStatus, 18245 0, PackageManager.INSTALL_REASON_UNKNOWN); 18246 } 18247 mSettings.writeKernelMappingLPr(ps); 18248 } 18249 18250 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 18251 PackageRemovedInfo outInfo) { 18252 final PackageParser.Package pkg; 18253 synchronized (mPackages) { 18254 pkg = mPackages.get(ps.name); 18255 } 18256 18257 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 18258 : new int[] {userId}; 18259 for (int nextUserId : userIds) { 18260 if (DEBUG_REMOVE) { 18261 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 18262 + nextUserId); 18263 } 18264 18265 destroyAppDataLIF(pkg, userId, 18266 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18267 destroyAppProfilesLIF(pkg, userId); 18268 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 18269 schedulePackageCleaning(ps.name, nextUserId, false); 18270 synchronized (mPackages) { 18271 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 18272 scheduleWritePackageRestrictionsLocked(nextUserId); 18273 } 18274 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 18275 } 18276 } 18277 18278 if (outInfo != null) { 18279 outInfo.removedPackage = ps.name; 18280 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 18281 outInfo.removedAppId = ps.appId; 18282 outInfo.removedUsers = userIds; 18283 } 18284 18285 return true; 18286 } 18287 18288 private final class ClearStorageConnection implements ServiceConnection { 18289 IMediaContainerService mContainerService; 18290 18291 @Override 18292 public void onServiceConnected(ComponentName name, IBinder service) { 18293 synchronized (this) { 18294 mContainerService = IMediaContainerService.Stub 18295 .asInterface(Binder.allowBlocking(service)); 18296 notifyAll(); 18297 } 18298 } 18299 18300 @Override 18301 public void onServiceDisconnected(ComponentName name) { 18302 } 18303 } 18304 18305 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 18306 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 18307 18308 final boolean mounted; 18309 if (Environment.isExternalStorageEmulated()) { 18310 mounted = true; 18311 } else { 18312 final String status = Environment.getExternalStorageState(); 18313 18314 mounted = status.equals(Environment.MEDIA_MOUNTED) 18315 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 18316 } 18317 18318 if (!mounted) { 18319 return; 18320 } 18321 18322 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 18323 int[] users; 18324 if (userId == UserHandle.USER_ALL) { 18325 users = sUserManager.getUserIds(); 18326 } else { 18327 users = new int[] { userId }; 18328 } 18329 final ClearStorageConnection conn = new ClearStorageConnection(); 18330 if (mContext.bindServiceAsUser( 18331 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 18332 try { 18333 for (int curUser : users) { 18334 long timeout = SystemClock.uptimeMillis() + 5000; 18335 synchronized (conn) { 18336 long now; 18337 while (conn.mContainerService == null && 18338 (now = SystemClock.uptimeMillis()) < timeout) { 18339 try { 18340 conn.wait(timeout - now); 18341 } catch (InterruptedException e) { 18342 } 18343 } 18344 } 18345 if (conn.mContainerService == null) { 18346 return; 18347 } 18348 18349 final UserEnvironment userEnv = new UserEnvironment(curUser); 18350 clearDirectory(conn.mContainerService, 18351 userEnv.buildExternalStorageAppCacheDirs(packageName)); 18352 if (allData) { 18353 clearDirectory(conn.mContainerService, 18354 userEnv.buildExternalStorageAppDataDirs(packageName)); 18355 clearDirectory(conn.mContainerService, 18356 userEnv.buildExternalStorageAppMediaDirs(packageName)); 18357 } 18358 } 18359 } finally { 18360 mContext.unbindService(conn); 18361 } 18362 } 18363 } 18364 18365 @Override 18366 public void clearApplicationProfileData(String packageName) { 18367 enforceSystemOrRoot("Only the system can clear all profile data"); 18368 18369 final PackageParser.Package pkg; 18370 synchronized (mPackages) { 18371 pkg = mPackages.get(packageName); 18372 } 18373 18374 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 18375 synchronized (mInstallLock) { 18376 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 18377 } 18378 } 18379 } 18380 18381 @Override 18382 public void clearApplicationUserData(final String packageName, 18383 final IPackageDataObserver observer, final int userId) { 18384 mContext.enforceCallingOrSelfPermission( 18385 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 18386 18387 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18388 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 18389 18390 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 18391 throw new SecurityException("Cannot clear data for a protected package: " 18392 + packageName); 18393 } 18394 // Queue up an async operation since the package deletion may take a little while. 18395 mHandler.post(new Runnable() { 18396 public void run() { 18397 mHandler.removeCallbacks(this); 18398 final boolean succeeded; 18399 try (PackageFreezer freezer = freezePackage(packageName, 18400 "clearApplicationUserData")) { 18401 synchronized (mInstallLock) { 18402 succeeded = clearApplicationUserDataLIF(packageName, userId); 18403 } 18404 clearExternalStorageDataSync(packageName, userId, true); 18405 synchronized (mPackages) { 18406 mInstantAppRegistry.deleteInstantApplicationMetadataLPw( 18407 packageName, userId); 18408 } 18409 } 18410 if (succeeded) { 18411 // invoke DeviceStorageMonitor's update method to clear any notifications 18412 DeviceStorageMonitorInternal dsm = LocalServices 18413 .getService(DeviceStorageMonitorInternal.class); 18414 if (dsm != null) { 18415 dsm.checkMemory(); 18416 } 18417 } 18418 if(observer != null) { 18419 try { 18420 observer.onRemoveCompleted(packageName, succeeded); 18421 } catch (RemoteException e) { 18422 Log.i(TAG, "Observer no longer exists."); 18423 } 18424 } //end if observer 18425 } //end run 18426 }); 18427 } 18428 18429 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 18430 if (packageName == null) { 18431 Slog.w(TAG, "Attempt to delete null packageName."); 18432 return false; 18433 } 18434 18435 // Try finding details about the requested package 18436 PackageParser.Package pkg; 18437 synchronized (mPackages) { 18438 pkg = mPackages.get(packageName); 18439 if (pkg == null) { 18440 final PackageSetting ps = mSettings.mPackages.get(packageName); 18441 if (ps != null) { 18442 pkg = ps.pkg; 18443 } 18444 } 18445 18446 if (pkg == null) { 18447 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18448 return false; 18449 } 18450 18451 PackageSetting ps = (PackageSetting) pkg.mExtras; 18452 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18453 } 18454 18455 clearAppDataLIF(pkg, userId, 18456 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18457 18458 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18459 removeKeystoreDataIfNeeded(userId, appId); 18460 18461 UserManagerInternal umInternal = getUserManagerInternal(); 18462 final int flags; 18463 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 18464 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18465 } else if (umInternal.isUserRunning(userId)) { 18466 flags = StorageManager.FLAG_STORAGE_DE; 18467 } else { 18468 flags = 0; 18469 } 18470 prepareAppDataContentsLIF(pkg, userId, flags); 18471 18472 return true; 18473 } 18474 18475 /** 18476 * Reverts user permission state changes (permissions and flags) in 18477 * all packages for a given user. 18478 * 18479 * @param userId The device user for which to do a reset. 18480 */ 18481 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 18482 final int packageCount = mPackages.size(); 18483 for (int i = 0; i < packageCount; i++) { 18484 PackageParser.Package pkg = mPackages.valueAt(i); 18485 PackageSetting ps = (PackageSetting) pkg.mExtras; 18486 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18487 } 18488 } 18489 18490 private void resetNetworkPolicies(int userId) { 18491 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 18492 } 18493 18494 /** 18495 * Reverts user permission state changes (permissions and flags). 18496 * 18497 * @param ps The package for which to reset. 18498 * @param userId The device user for which to do a reset. 18499 */ 18500 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 18501 final PackageSetting ps, final int userId) { 18502 if (ps.pkg == null) { 18503 return; 18504 } 18505 18506 // These are flags that can change base on user actions. 18507 final int userSettableMask = FLAG_PERMISSION_USER_SET 18508 | FLAG_PERMISSION_USER_FIXED 18509 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 18510 | FLAG_PERMISSION_REVIEW_REQUIRED; 18511 18512 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 18513 | FLAG_PERMISSION_POLICY_FIXED; 18514 18515 boolean writeInstallPermissions = false; 18516 boolean writeRuntimePermissions = false; 18517 18518 final int permissionCount = ps.pkg.requestedPermissions.size(); 18519 for (int i = 0; i < permissionCount; i++) { 18520 String permission = ps.pkg.requestedPermissions.get(i); 18521 18522 BasePermission bp = mSettings.mPermissions.get(permission); 18523 if (bp == null) { 18524 continue; 18525 } 18526 18527 // If shared user we just reset the state to which only this app contributed. 18528 if (ps.sharedUser != null) { 18529 boolean used = false; 18530 final int packageCount = ps.sharedUser.packages.size(); 18531 for (int j = 0; j < packageCount; j++) { 18532 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 18533 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 18534 && pkg.pkg.requestedPermissions.contains(permission)) { 18535 used = true; 18536 break; 18537 } 18538 } 18539 if (used) { 18540 continue; 18541 } 18542 } 18543 18544 PermissionsState permissionsState = ps.getPermissionsState(); 18545 18546 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 18547 18548 // Always clear the user settable flags. 18549 final boolean hasInstallState = permissionsState.getInstallPermissionState( 18550 bp.name) != null; 18551 // If permission review is enabled and this is a legacy app, mark the 18552 // permission as requiring a review as this is the initial state. 18553 int flags = 0; 18554 if (mPermissionReviewRequired 18555 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 18556 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 18557 } 18558 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 18559 if (hasInstallState) { 18560 writeInstallPermissions = true; 18561 } else { 18562 writeRuntimePermissions = true; 18563 } 18564 } 18565 18566 // Below is only runtime permission handling. 18567 if (!bp.isRuntime()) { 18568 continue; 18569 } 18570 18571 // Never clobber system or policy. 18572 if ((oldFlags & policyOrSystemFlags) != 0) { 18573 continue; 18574 } 18575 18576 // If this permission was granted by default, make sure it is. 18577 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 18578 if (permissionsState.grantRuntimePermission(bp, userId) 18579 != PERMISSION_OPERATION_FAILURE) { 18580 writeRuntimePermissions = true; 18581 } 18582 // If permission review is enabled the permissions for a legacy apps 18583 // are represented as constantly granted runtime ones, so don't revoke. 18584 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 18585 // Otherwise, reset the permission. 18586 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 18587 switch (revokeResult) { 18588 case PERMISSION_OPERATION_SUCCESS: 18589 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 18590 writeRuntimePermissions = true; 18591 final int appId = ps.appId; 18592 mHandler.post(new Runnable() { 18593 @Override 18594 public void run() { 18595 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 18596 } 18597 }); 18598 } break; 18599 } 18600 } 18601 } 18602 18603 // Synchronously write as we are taking permissions away. 18604 if (writeRuntimePermissions) { 18605 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 18606 } 18607 18608 // Synchronously write as we are taking permissions away. 18609 if (writeInstallPermissions) { 18610 mSettings.writeLPr(); 18611 } 18612 } 18613 18614 /** 18615 * Remove entries from the keystore daemon. Will only remove it if the 18616 * {@code appId} is valid. 18617 */ 18618 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 18619 if (appId < 0) { 18620 return; 18621 } 18622 18623 final KeyStore keyStore = KeyStore.getInstance(); 18624 if (keyStore != null) { 18625 if (userId == UserHandle.USER_ALL) { 18626 for (final int individual : sUserManager.getUserIds()) { 18627 keyStore.clearUid(UserHandle.getUid(individual, appId)); 18628 } 18629 } else { 18630 keyStore.clearUid(UserHandle.getUid(userId, appId)); 18631 } 18632 } else { 18633 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 18634 } 18635 } 18636 18637 @Override 18638 public void deleteApplicationCacheFiles(final String packageName, 18639 final IPackageDataObserver observer) { 18640 final int userId = UserHandle.getCallingUserId(); 18641 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 18642 } 18643 18644 @Override 18645 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 18646 final IPackageDataObserver observer) { 18647 mContext.enforceCallingOrSelfPermission( 18648 android.Manifest.permission.DELETE_CACHE_FILES, null); 18649 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18650 /* requireFullPermission= */ true, /* checkShell= */ false, 18651 "delete application cache files"); 18652 18653 final PackageParser.Package pkg; 18654 synchronized (mPackages) { 18655 pkg = mPackages.get(packageName); 18656 } 18657 18658 // Queue up an async operation since the package deletion may take a little while. 18659 mHandler.post(new Runnable() { 18660 public void run() { 18661 synchronized (mInstallLock) { 18662 final int flags = StorageManager.FLAG_STORAGE_DE 18663 | StorageManager.FLAG_STORAGE_CE; 18664 // We're only clearing cache files, so we don't care if the 18665 // app is unfrozen and still able to run 18666 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 18667 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18668 } 18669 clearExternalStorageDataSync(packageName, userId, false); 18670 if (observer != null) { 18671 try { 18672 observer.onRemoveCompleted(packageName, true); 18673 } catch (RemoteException e) { 18674 Log.i(TAG, "Observer no longer exists."); 18675 } 18676 } 18677 } 18678 }); 18679 } 18680 18681 @Override 18682 public void getPackageSizeInfo(final String packageName, int userHandle, 18683 final IPackageStatsObserver observer) { 18684 throw new UnsupportedOperationException( 18685 "Shame on you for calling the hidden API getPackageSizeInfo(). Shame!"); 18686 } 18687 18688 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 18689 final PackageSetting ps; 18690 synchronized (mPackages) { 18691 ps = mSettings.mPackages.get(packageName); 18692 if (ps == null) { 18693 Slog.w(TAG, "Failed to find settings for " + packageName); 18694 return false; 18695 } 18696 } 18697 18698 final String[] packageNames = { packageName }; 18699 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 18700 final String[] codePaths = { ps.codePathString }; 18701 18702 try { 18703 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 18704 ps.appId, ceDataInodes, codePaths, stats); 18705 18706 // For now, ignore code size of packages on system partition 18707 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 18708 stats.codeSize = 0; 18709 } 18710 18711 // External clients expect these to be tracked separately 18712 stats.dataSize -= stats.cacheSize; 18713 18714 } catch (InstallerException e) { 18715 Slog.w(TAG, String.valueOf(e)); 18716 return false; 18717 } 18718 18719 return true; 18720 } 18721 18722 private int getUidTargetSdkVersionLockedLPr(int uid) { 18723 Object obj = mSettings.getUserIdLPr(uid); 18724 if (obj instanceof SharedUserSetting) { 18725 final SharedUserSetting sus = (SharedUserSetting) obj; 18726 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 18727 final Iterator<PackageSetting> it = sus.packages.iterator(); 18728 while (it.hasNext()) { 18729 final PackageSetting ps = it.next(); 18730 if (ps.pkg != null) { 18731 int v = ps.pkg.applicationInfo.targetSdkVersion; 18732 if (v < vers) vers = v; 18733 } 18734 } 18735 return vers; 18736 } else if (obj instanceof PackageSetting) { 18737 final PackageSetting ps = (PackageSetting) obj; 18738 if (ps.pkg != null) { 18739 return ps.pkg.applicationInfo.targetSdkVersion; 18740 } 18741 } 18742 return Build.VERSION_CODES.CUR_DEVELOPMENT; 18743 } 18744 18745 @Override 18746 public void addPreferredActivity(IntentFilter filter, int match, 18747 ComponentName[] set, ComponentName activity, int userId) { 18748 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18749 "Adding preferred"); 18750 } 18751 18752 private void addPreferredActivityInternal(IntentFilter filter, int match, 18753 ComponentName[] set, ComponentName activity, boolean always, int userId, 18754 String opname) { 18755 // writer 18756 int callingUid = Binder.getCallingUid(); 18757 enforceCrossUserPermission(callingUid, userId, 18758 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 18759 if (filter.countActions() == 0) { 18760 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18761 return; 18762 } 18763 synchronized (mPackages) { 18764 if (mContext.checkCallingOrSelfPermission( 18765 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18766 != PackageManager.PERMISSION_GRANTED) { 18767 if (getUidTargetSdkVersionLockedLPr(callingUid) 18768 < Build.VERSION_CODES.FROYO) { 18769 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 18770 + callingUid); 18771 return; 18772 } 18773 mContext.enforceCallingOrSelfPermission( 18774 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18775 } 18776 18777 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 18778 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 18779 + userId + ":"); 18780 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18781 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 18782 scheduleWritePackageRestrictionsLocked(userId); 18783 postPreferredActivityChangedBroadcast(userId); 18784 } 18785 } 18786 18787 private void postPreferredActivityChangedBroadcast(int userId) { 18788 mHandler.post(() -> { 18789 final IActivityManager am = ActivityManager.getService(); 18790 if (am == null) { 18791 return; 18792 } 18793 18794 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 18795 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18796 try { 18797 am.broadcastIntent(null, intent, null, null, 18798 0, null, null, null, android.app.AppOpsManager.OP_NONE, 18799 null, false, false, userId); 18800 } catch (RemoteException e) { 18801 } 18802 }); 18803 } 18804 18805 @Override 18806 public void replacePreferredActivity(IntentFilter filter, int match, 18807 ComponentName[] set, ComponentName activity, int userId) { 18808 if (filter.countActions() != 1) { 18809 throw new IllegalArgumentException( 18810 "replacePreferredActivity expects filter to have only 1 action."); 18811 } 18812 if (filter.countDataAuthorities() != 0 18813 || filter.countDataPaths() != 0 18814 || filter.countDataSchemes() > 1 18815 || filter.countDataTypes() != 0) { 18816 throw new IllegalArgumentException( 18817 "replacePreferredActivity expects filter to have no data authorities, " + 18818 "paths, or types; and at most one scheme."); 18819 } 18820 18821 final int callingUid = Binder.getCallingUid(); 18822 enforceCrossUserPermission(callingUid, userId, 18823 true /* requireFullPermission */, false /* checkShell */, 18824 "replace preferred activity"); 18825 synchronized (mPackages) { 18826 if (mContext.checkCallingOrSelfPermission( 18827 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18828 != PackageManager.PERMISSION_GRANTED) { 18829 if (getUidTargetSdkVersionLockedLPr(callingUid) 18830 < Build.VERSION_CODES.FROYO) { 18831 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 18832 + Binder.getCallingUid()); 18833 return; 18834 } 18835 mContext.enforceCallingOrSelfPermission( 18836 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18837 } 18838 18839 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18840 if (pir != null) { 18841 // Get all of the existing entries that exactly match this filter. 18842 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 18843 if (existing != null && existing.size() == 1) { 18844 PreferredActivity cur = existing.get(0); 18845 if (DEBUG_PREFERRED) { 18846 Slog.i(TAG, "Checking replace of preferred:"); 18847 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18848 if (!cur.mPref.mAlways) { 18849 Slog.i(TAG, " -- CUR; not mAlways!"); 18850 } else { 18851 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 18852 Slog.i(TAG, " -- CUR: mSet=" 18853 + Arrays.toString(cur.mPref.mSetComponents)); 18854 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 18855 Slog.i(TAG, " -- NEW: mMatch=" 18856 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 18857 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 18858 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 18859 } 18860 } 18861 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 18862 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 18863 && cur.mPref.sameSet(set)) { 18864 // Setting the preferred activity to what it happens to be already 18865 if (DEBUG_PREFERRED) { 18866 Slog.i(TAG, "Replacing with same preferred activity " 18867 + cur.mPref.mShortComponent + " for user " 18868 + userId + ":"); 18869 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18870 } 18871 return; 18872 } 18873 } 18874 18875 if (existing != null) { 18876 if (DEBUG_PREFERRED) { 18877 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 18878 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18879 } 18880 for (int i = 0; i < existing.size(); i++) { 18881 PreferredActivity pa = existing.get(i); 18882 if (DEBUG_PREFERRED) { 18883 Slog.i(TAG, "Removing existing preferred activity " 18884 + pa.mPref.mComponent + ":"); 18885 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 18886 } 18887 pir.removeFilter(pa); 18888 } 18889 } 18890 } 18891 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18892 "Replacing preferred"); 18893 } 18894 } 18895 18896 @Override 18897 public void clearPackagePreferredActivities(String packageName) { 18898 final int uid = Binder.getCallingUid(); 18899 // writer 18900 synchronized (mPackages) { 18901 PackageParser.Package pkg = mPackages.get(packageName); 18902 if (pkg == null || pkg.applicationInfo.uid != uid) { 18903 if (mContext.checkCallingOrSelfPermission( 18904 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18905 != PackageManager.PERMISSION_GRANTED) { 18906 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 18907 < Build.VERSION_CODES.FROYO) { 18908 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 18909 + Binder.getCallingUid()); 18910 return; 18911 } 18912 mContext.enforceCallingOrSelfPermission( 18913 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18914 } 18915 } 18916 18917 int user = UserHandle.getCallingUserId(); 18918 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 18919 scheduleWritePackageRestrictionsLocked(user); 18920 } 18921 } 18922 } 18923 18924 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18925 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 18926 ArrayList<PreferredActivity> removed = null; 18927 boolean changed = false; 18928 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18929 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 18930 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18931 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 18932 continue; 18933 } 18934 Iterator<PreferredActivity> it = pir.filterIterator(); 18935 while (it.hasNext()) { 18936 PreferredActivity pa = it.next(); 18937 // Mark entry for removal only if it matches the package name 18938 // and the entry is of type "always". 18939 if (packageName == null || 18940 (pa.mPref.mComponent.getPackageName().equals(packageName) 18941 && pa.mPref.mAlways)) { 18942 if (removed == null) { 18943 removed = new ArrayList<PreferredActivity>(); 18944 } 18945 removed.add(pa); 18946 } 18947 } 18948 if (removed != null) { 18949 for (int j=0; j<removed.size(); j++) { 18950 PreferredActivity pa = removed.get(j); 18951 pir.removeFilter(pa); 18952 } 18953 changed = true; 18954 } 18955 } 18956 if (changed) { 18957 postPreferredActivityChangedBroadcast(userId); 18958 } 18959 return changed; 18960 } 18961 18962 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18963 private void clearIntentFilterVerificationsLPw(int userId) { 18964 final int packageCount = mPackages.size(); 18965 for (int i = 0; i < packageCount; i++) { 18966 PackageParser.Package pkg = mPackages.valueAt(i); 18967 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 18968 } 18969 } 18970 18971 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18972 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 18973 if (userId == UserHandle.USER_ALL) { 18974 if (mSettings.removeIntentFilterVerificationLPw(packageName, 18975 sUserManager.getUserIds())) { 18976 for (int oneUserId : sUserManager.getUserIds()) { 18977 scheduleWritePackageRestrictionsLocked(oneUserId); 18978 } 18979 } 18980 } else { 18981 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 18982 scheduleWritePackageRestrictionsLocked(userId); 18983 } 18984 } 18985 } 18986 18987 void clearDefaultBrowserIfNeeded(String packageName) { 18988 for (int oneUserId : sUserManager.getUserIds()) { 18989 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 18990 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 18991 if (packageName.equals(defaultBrowserPackageName)) { 18992 setDefaultBrowserPackageName(null, oneUserId); 18993 } 18994 } 18995 } 18996 18997 @Override 18998 public void resetApplicationPreferences(int userId) { 18999 mContext.enforceCallingOrSelfPermission( 19000 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19001 final long identity = Binder.clearCallingIdentity(); 19002 // writer 19003 try { 19004 synchronized (mPackages) { 19005 clearPackagePreferredActivitiesLPw(null, userId); 19006 mSettings.applyDefaultPreferredAppsLPw(this, userId); 19007 // TODO: We have to reset the default SMS and Phone. This requires 19008 // significant refactoring to keep all default apps in the package 19009 // manager (cleaner but more work) or have the services provide 19010 // callbacks to the package manager to request a default app reset. 19011 applyFactoryDefaultBrowserLPw(userId); 19012 clearIntentFilterVerificationsLPw(userId); 19013 primeDomainVerificationsLPw(userId); 19014 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 19015 scheduleWritePackageRestrictionsLocked(userId); 19016 } 19017 resetNetworkPolicies(userId); 19018 } finally { 19019 Binder.restoreCallingIdentity(identity); 19020 } 19021 } 19022 19023 @Override 19024 public int getPreferredActivities(List<IntentFilter> outFilters, 19025 List<ComponentName> outActivities, String packageName) { 19026 19027 int num = 0; 19028 final int userId = UserHandle.getCallingUserId(); 19029 // reader 19030 synchronized (mPackages) { 19031 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 19032 if (pir != null) { 19033 final Iterator<PreferredActivity> it = pir.filterIterator(); 19034 while (it.hasNext()) { 19035 final PreferredActivity pa = it.next(); 19036 if (packageName == null 19037 || (pa.mPref.mComponent.getPackageName().equals(packageName) 19038 && pa.mPref.mAlways)) { 19039 if (outFilters != null) { 19040 outFilters.add(new IntentFilter(pa)); 19041 } 19042 if (outActivities != null) { 19043 outActivities.add(pa.mPref.mComponent); 19044 } 19045 } 19046 } 19047 } 19048 } 19049 19050 return num; 19051 } 19052 19053 @Override 19054 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 19055 int userId) { 19056 int callingUid = Binder.getCallingUid(); 19057 if (callingUid != Process.SYSTEM_UID) { 19058 throw new SecurityException( 19059 "addPersistentPreferredActivity can only be run by the system"); 19060 } 19061 if (filter.countActions() == 0) { 19062 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 19063 return; 19064 } 19065 synchronized (mPackages) { 19066 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 19067 ":"); 19068 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19069 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 19070 new PersistentPreferredActivity(filter, activity)); 19071 scheduleWritePackageRestrictionsLocked(userId); 19072 postPreferredActivityChangedBroadcast(userId); 19073 } 19074 } 19075 19076 @Override 19077 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 19078 int callingUid = Binder.getCallingUid(); 19079 if (callingUid != Process.SYSTEM_UID) { 19080 throw new SecurityException( 19081 "clearPackagePersistentPreferredActivities can only be run by the system"); 19082 } 19083 ArrayList<PersistentPreferredActivity> removed = null; 19084 boolean changed = false; 19085 synchronized (mPackages) { 19086 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 19087 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 19088 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 19089 .valueAt(i); 19090 if (userId != thisUserId) { 19091 continue; 19092 } 19093 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 19094 while (it.hasNext()) { 19095 PersistentPreferredActivity ppa = it.next(); 19096 // Mark entry for removal only if it matches the package name. 19097 if (ppa.mComponent.getPackageName().equals(packageName)) { 19098 if (removed == null) { 19099 removed = new ArrayList<PersistentPreferredActivity>(); 19100 } 19101 removed.add(ppa); 19102 } 19103 } 19104 if (removed != null) { 19105 for (int j=0; j<removed.size(); j++) { 19106 PersistentPreferredActivity ppa = removed.get(j); 19107 ppir.removeFilter(ppa); 19108 } 19109 changed = true; 19110 } 19111 } 19112 19113 if (changed) { 19114 scheduleWritePackageRestrictionsLocked(userId); 19115 postPreferredActivityChangedBroadcast(userId); 19116 } 19117 } 19118 } 19119 19120 /** 19121 * Common machinery for picking apart a restored XML blob and passing 19122 * it to a caller-supplied functor to be applied to the running system. 19123 */ 19124 private void restoreFromXml(XmlPullParser parser, int userId, 19125 String expectedStartTag, BlobXmlRestorer functor) 19126 throws IOException, XmlPullParserException { 19127 int type; 19128 while ((type = parser.next()) != XmlPullParser.START_TAG 19129 && type != XmlPullParser.END_DOCUMENT) { 19130 } 19131 if (type != XmlPullParser.START_TAG) { 19132 // oops didn't find a start tag?! 19133 if (DEBUG_BACKUP) { 19134 Slog.e(TAG, "Didn't find start tag during restore"); 19135 } 19136 return; 19137 } 19138Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 19139 // this is supposed to be TAG_PREFERRED_BACKUP 19140 if (!expectedStartTag.equals(parser.getName())) { 19141 if (DEBUG_BACKUP) { 19142 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 19143 } 19144 return; 19145 } 19146 19147 // skip interfering stuff, then we're aligned with the backing implementation 19148 while ((type = parser.next()) == XmlPullParser.TEXT) { } 19149Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 19150 functor.apply(parser, userId); 19151 } 19152 19153 private interface BlobXmlRestorer { 19154 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 19155 } 19156 19157 /** 19158 * Non-Binder method, support for the backup/restore mechanism: write the 19159 * full set of preferred activities in its canonical XML format. Returns the 19160 * XML output as a byte array, or null if there is none. 19161 */ 19162 @Override 19163 public byte[] getPreferredActivityBackup(int userId) { 19164 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19165 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 19166 } 19167 19168 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19169 try { 19170 final XmlSerializer serializer = new FastXmlSerializer(); 19171 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19172 serializer.startDocument(null, true); 19173 serializer.startTag(null, TAG_PREFERRED_BACKUP); 19174 19175 synchronized (mPackages) { 19176 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 19177 } 19178 19179 serializer.endTag(null, TAG_PREFERRED_BACKUP); 19180 serializer.endDocument(); 19181 serializer.flush(); 19182 } catch (Exception e) { 19183 if (DEBUG_BACKUP) { 19184 Slog.e(TAG, "Unable to write preferred activities for backup", e); 19185 } 19186 return null; 19187 } 19188 19189 return dataStream.toByteArray(); 19190 } 19191 19192 @Override 19193 public void restorePreferredActivities(byte[] backup, int userId) { 19194 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19195 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19196 } 19197 19198 try { 19199 final XmlPullParser parser = Xml.newPullParser(); 19200 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19201 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 19202 new BlobXmlRestorer() { 19203 @Override 19204 public void apply(XmlPullParser parser, int userId) 19205 throws XmlPullParserException, IOException { 19206 synchronized (mPackages) { 19207 mSettings.readPreferredActivitiesLPw(parser, userId); 19208 } 19209 } 19210 } ); 19211 } catch (Exception e) { 19212 if (DEBUG_BACKUP) { 19213 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19214 } 19215 } 19216 } 19217 19218 /** 19219 * Non-Binder method, support for the backup/restore mechanism: write the 19220 * default browser (etc) settings in its canonical XML format. Returns the default 19221 * browser XML representation as a byte array, or null if there is none. 19222 */ 19223 @Override 19224 public byte[] getDefaultAppsBackup(int userId) { 19225 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19226 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 19227 } 19228 19229 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19230 try { 19231 final XmlSerializer serializer = new FastXmlSerializer(); 19232 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19233 serializer.startDocument(null, true); 19234 serializer.startTag(null, TAG_DEFAULT_APPS); 19235 19236 synchronized (mPackages) { 19237 mSettings.writeDefaultAppsLPr(serializer, userId); 19238 } 19239 19240 serializer.endTag(null, TAG_DEFAULT_APPS); 19241 serializer.endDocument(); 19242 serializer.flush(); 19243 } catch (Exception e) { 19244 if (DEBUG_BACKUP) { 19245 Slog.e(TAG, "Unable to write default apps for backup", e); 19246 } 19247 return null; 19248 } 19249 19250 return dataStream.toByteArray(); 19251 } 19252 19253 @Override 19254 public void restoreDefaultApps(byte[] backup, int userId) { 19255 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19256 throw new SecurityException("Only the system may call restoreDefaultApps()"); 19257 } 19258 19259 try { 19260 final XmlPullParser parser = Xml.newPullParser(); 19261 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19262 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 19263 new BlobXmlRestorer() { 19264 @Override 19265 public void apply(XmlPullParser parser, int userId) 19266 throws XmlPullParserException, IOException { 19267 synchronized (mPackages) { 19268 mSettings.readDefaultAppsLPw(parser, userId); 19269 } 19270 } 19271 } ); 19272 } catch (Exception e) { 19273 if (DEBUG_BACKUP) { 19274 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 19275 } 19276 } 19277 } 19278 19279 @Override 19280 public byte[] getIntentFilterVerificationBackup(int userId) { 19281 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19282 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 19283 } 19284 19285 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19286 try { 19287 final XmlSerializer serializer = new FastXmlSerializer(); 19288 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19289 serializer.startDocument(null, true); 19290 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 19291 19292 synchronized (mPackages) { 19293 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 19294 } 19295 19296 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 19297 serializer.endDocument(); 19298 serializer.flush(); 19299 } catch (Exception e) { 19300 if (DEBUG_BACKUP) { 19301 Slog.e(TAG, "Unable to write default apps for backup", e); 19302 } 19303 return null; 19304 } 19305 19306 return dataStream.toByteArray(); 19307 } 19308 19309 @Override 19310 public void restoreIntentFilterVerification(byte[] backup, int userId) { 19311 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19312 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19313 } 19314 19315 try { 19316 final XmlPullParser parser = Xml.newPullParser(); 19317 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19318 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 19319 new BlobXmlRestorer() { 19320 @Override 19321 public void apply(XmlPullParser parser, int userId) 19322 throws XmlPullParserException, IOException { 19323 synchronized (mPackages) { 19324 mSettings.readAllDomainVerificationsLPr(parser, userId); 19325 mSettings.writeLPr(); 19326 } 19327 } 19328 } ); 19329 } catch (Exception e) { 19330 if (DEBUG_BACKUP) { 19331 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19332 } 19333 } 19334 } 19335 19336 @Override 19337 public byte[] getPermissionGrantBackup(int userId) { 19338 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19339 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 19340 } 19341 19342 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19343 try { 19344 final XmlSerializer serializer = new FastXmlSerializer(); 19345 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19346 serializer.startDocument(null, true); 19347 serializer.startTag(null, TAG_PERMISSION_BACKUP); 19348 19349 synchronized (mPackages) { 19350 serializeRuntimePermissionGrantsLPr(serializer, userId); 19351 } 19352 19353 serializer.endTag(null, TAG_PERMISSION_BACKUP); 19354 serializer.endDocument(); 19355 serializer.flush(); 19356 } catch (Exception e) { 19357 if (DEBUG_BACKUP) { 19358 Slog.e(TAG, "Unable to write default apps for backup", e); 19359 } 19360 return null; 19361 } 19362 19363 return dataStream.toByteArray(); 19364 } 19365 19366 @Override 19367 public void restorePermissionGrants(byte[] backup, int userId) { 19368 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19369 throw new SecurityException("Only the system may call restorePermissionGrants()"); 19370 } 19371 19372 try { 19373 final XmlPullParser parser = Xml.newPullParser(); 19374 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19375 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 19376 new BlobXmlRestorer() { 19377 @Override 19378 public void apply(XmlPullParser parser, int userId) 19379 throws XmlPullParserException, IOException { 19380 synchronized (mPackages) { 19381 processRestoredPermissionGrantsLPr(parser, userId); 19382 } 19383 } 19384 } ); 19385 } catch (Exception e) { 19386 if (DEBUG_BACKUP) { 19387 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19388 } 19389 } 19390 } 19391 19392 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 19393 throws IOException { 19394 serializer.startTag(null, TAG_ALL_GRANTS); 19395 19396 final int N = mSettings.mPackages.size(); 19397 for (int i = 0; i < N; i++) { 19398 final PackageSetting ps = mSettings.mPackages.valueAt(i); 19399 boolean pkgGrantsKnown = false; 19400 19401 PermissionsState packagePerms = ps.getPermissionsState(); 19402 19403 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 19404 final int grantFlags = state.getFlags(); 19405 // only look at grants that are not system/policy fixed 19406 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 19407 final boolean isGranted = state.isGranted(); 19408 // And only back up the user-twiddled state bits 19409 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 19410 final String packageName = mSettings.mPackages.keyAt(i); 19411 if (!pkgGrantsKnown) { 19412 serializer.startTag(null, TAG_GRANT); 19413 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 19414 pkgGrantsKnown = true; 19415 } 19416 19417 final boolean userSet = 19418 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 19419 final boolean userFixed = 19420 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 19421 final boolean revoke = 19422 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 19423 19424 serializer.startTag(null, TAG_PERMISSION); 19425 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 19426 if (isGranted) { 19427 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 19428 } 19429 if (userSet) { 19430 serializer.attribute(null, ATTR_USER_SET, "true"); 19431 } 19432 if (userFixed) { 19433 serializer.attribute(null, ATTR_USER_FIXED, "true"); 19434 } 19435 if (revoke) { 19436 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 19437 } 19438 serializer.endTag(null, TAG_PERMISSION); 19439 } 19440 } 19441 } 19442 19443 if (pkgGrantsKnown) { 19444 serializer.endTag(null, TAG_GRANT); 19445 } 19446 } 19447 19448 serializer.endTag(null, TAG_ALL_GRANTS); 19449 } 19450 19451 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 19452 throws XmlPullParserException, IOException { 19453 String pkgName = null; 19454 int outerDepth = parser.getDepth(); 19455 int type; 19456 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 19457 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 19458 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 19459 continue; 19460 } 19461 19462 final String tagName = parser.getName(); 19463 if (tagName.equals(TAG_GRANT)) { 19464 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 19465 if (DEBUG_BACKUP) { 19466 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 19467 } 19468 } else if (tagName.equals(TAG_PERMISSION)) { 19469 19470 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 19471 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 19472 19473 int newFlagSet = 0; 19474 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 19475 newFlagSet |= FLAG_PERMISSION_USER_SET; 19476 } 19477 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 19478 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 19479 } 19480 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 19481 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 19482 } 19483 if (DEBUG_BACKUP) { 19484 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 19485 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 19486 } 19487 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19488 if (ps != null) { 19489 // Already installed so we apply the grant immediately 19490 if (DEBUG_BACKUP) { 19491 Slog.v(TAG, " + already installed; applying"); 19492 } 19493 PermissionsState perms = ps.getPermissionsState(); 19494 BasePermission bp = mSettings.mPermissions.get(permName); 19495 if (bp != null) { 19496 if (isGranted) { 19497 perms.grantRuntimePermission(bp, userId); 19498 } 19499 if (newFlagSet != 0) { 19500 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 19501 } 19502 } 19503 } else { 19504 // Need to wait for post-restore install to apply the grant 19505 if (DEBUG_BACKUP) { 19506 Slog.v(TAG, " - not yet installed; saving for later"); 19507 } 19508 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 19509 isGranted, newFlagSet, userId); 19510 } 19511 } else { 19512 PackageManagerService.reportSettingsProblem(Log.WARN, 19513 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 19514 XmlUtils.skipCurrentTag(parser); 19515 } 19516 } 19517 19518 scheduleWriteSettingsLocked(); 19519 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 19520 } 19521 19522 @Override 19523 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 19524 int sourceUserId, int targetUserId, int flags) { 19525 mContext.enforceCallingOrSelfPermission( 19526 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19527 int callingUid = Binder.getCallingUid(); 19528 enforceOwnerRights(ownerPackage, callingUid); 19529 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19530 if (intentFilter.countActions() == 0) { 19531 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 19532 return; 19533 } 19534 synchronized (mPackages) { 19535 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 19536 ownerPackage, targetUserId, flags); 19537 CrossProfileIntentResolver resolver = 19538 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19539 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 19540 // We have all those whose filter is equal. Now checking if the rest is equal as well. 19541 if (existing != null) { 19542 int size = existing.size(); 19543 for (int i = 0; i < size; i++) { 19544 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 19545 return; 19546 } 19547 } 19548 } 19549 resolver.addFilter(newFilter); 19550 scheduleWritePackageRestrictionsLocked(sourceUserId); 19551 } 19552 } 19553 19554 @Override 19555 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 19556 mContext.enforceCallingOrSelfPermission( 19557 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19558 int callingUid = Binder.getCallingUid(); 19559 enforceOwnerRights(ownerPackage, callingUid); 19560 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19561 synchronized (mPackages) { 19562 CrossProfileIntentResolver resolver = 19563 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19564 ArraySet<CrossProfileIntentFilter> set = 19565 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 19566 for (CrossProfileIntentFilter filter : set) { 19567 if (filter.getOwnerPackage().equals(ownerPackage)) { 19568 resolver.removeFilter(filter); 19569 } 19570 } 19571 scheduleWritePackageRestrictionsLocked(sourceUserId); 19572 } 19573 } 19574 19575 // Enforcing that callingUid is owning pkg on userId 19576 private void enforceOwnerRights(String pkg, int callingUid) { 19577 // The system owns everything. 19578 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 19579 return; 19580 } 19581 int callingUserId = UserHandle.getUserId(callingUid); 19582 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 19583 if (pi == null) { 19584 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 19585 + callingUserId); 19586 } 19587 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 19588 throw new SecurityException("Calling uid " + callingUid 19589 + " does not own package " + pkg); 19590 } 19591 } 19592 19593 @Override 19594 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 19595 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 19596 } 19597 19598 /** 19599 * Report the 'Home' activity which is currently set as "always use this one". If non is set 19600 * then reports the most likely home activity or null if there are more than one. 19601 */ 19602 public ComponentName getDefaultHomeActivity(int userId) { 19603 List<ResolveInfo> allHomeCandidates = new ArrayList<>(); 19604 ComponentName cn = getHomeActivitiesAsUser(allHomeCandidates, userId); 19605 if (cn != null) { 19606 return cn; 19607 } 19608 19609 // Find the launcher with the highest priority and return that component if there are no 19610 // other home activity with the same priority. 19611 int lastPriority = Integer.MIN_VALUE; 19612 ComponentName lastComponent = null; 19613 final int size = allHomeCandidates.size(); 19614 for (int i = 0; i < size; i++) { 19615 final ResolveInfo ri = allHomeCandidates.get(i); 19616 if (ri.priority > lastPriority) { 19617 lastComponent = ri.activityInfo.getComponentName(); 19618 lastPriority = ri.priority; 19619 } else if (ri.priority == lastPriority) { 19620 // Two components found with same priority. 19621 lastComponent = null; 19622 } 19623 } 19624 return lastComponent; 19625 } 19626 19627 private Intent getHomeIntent() { 19628 Intent intent = new Intent(Intent.ACTION_MAIN); 19629 intent.addCategory(Intent.CATEGORY_HOME); 19630 intent.addCategory(Intent.CATEGORY_DEFAULT); 19631 return intent; 19632 } 19633 19634 private IntentFilter getHomeFilter() { 19635 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 19636 filter.addCategory(Intent.CATEGORY_HOME); 19637 filter.addCategory(Intent.CATEGORY_DEFAULT); 19638 return filter; 19639 } 19640 19641 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19642 int userId) { 19643 Intent intent = getHomeIntent(); 19644 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 19645 PackageManager.GET_META_DATA, userId); 19646 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 19647 true, false, false, userId); 19648 19649 allHomeCandidates.clear(); 19650 if (list != null) { 19651 for (ResolveInfo ri : list) { 19652 allHomeCandidates.add(ri); 19653 } 19654 } 19655 return (preferred == null || preferred.activityInfo == null) 19656 ? null 19657 : new ComponentName(preferred.activityInfo.packageName, 19658 preferred.activityInfo.name); 19659 } 19660 19661 @Override 19662 public void setHomeActivity(ComponentName comp, int userId) { 19663 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 19664 getHomeActivitiesAsUser(homeActivities, userId); 19665 19666 boolean found = false; 19667 19668 final int size = homeActivities.size(); 19669 final ComponentName[] set = new ComponentName[size]; 19670 for (int i = 0; i < size; i++) { 19671 final ResolveInfo candidate = homeActivities.get(i); 19672 final ActivityInfo info = candidate.activityInfo; 19673 final ComponentName activityName = new ComponentName(info.packageName, info.name); 19674 set[i] = activityName; 19675 if (!found && activityName.equals(comp)) { 19676 found = true; 19677 } 19678 } 19679 if (!found) { 19680 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 19681 + userId); 19682 } 19683 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 19684 set, comp, userId); 19685 } 19686 19687 private @Nullable String getSetupWizardPackageName() { 19688 final Intent intent = new Intent(Intent.ACTION_MAIN); 19689 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 19690 19691 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19692 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19693 | MATCH_DISABLED_COMPONENTS, 19694 UserHandle.myUserId()); 19695 if (matches.size() == 1) { 19696 return matches.get(0).getComponentInfo().packageName; 19697 } else { 19698 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 19699 + ": matches=" + matches); 19700 return null; 19701 } 19702 } 19703 19704 private @Nullable String getStorageManagerPackageName() { 19705 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 19706 19707 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19708 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19709 | MATCH_DISABLED_COMPONENTS, 19710 UserHandle.myUserId()); 19711 if (matches.size() == 1) { 19712 return matches.get(0).getComponentInfo().packageName; 19713 } else { 19714 Slog.e(TAG, "There should probably be exactly one storage manager; found " 19715 + matches.size() + ": matches=" + matches); 19716 return null; 19717 } 19718 } 19719 19720 @Override 19721 public void setApplicationEnabledSetting(String appPackageName, 19722 int newState, int flags, int userId, String callingPackage) { 19723 if (!sUserManager.exists(userId)) return; 19724 if (callingPackage == null) { 19725 callingPackage = Integer.toString(Binder.getCallingUid()); 19726 } 19727 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 19728 } 19729 19730 @Override 19731 public void setUpdateAvailable(String packageName, boolean updateAvailable) { 19732 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 19733 synchronized (mPackages) { 19734 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 19735 if (pkgSetting != null) { 19736 pkgSetting.setUpdateAvailable(updateAvailable); 19737 } 19738 } 19739 } 19740 19741 @Override 19742 public void setComponentEnabledSetting(ComponentName componentName, 19743 int newState, int flags, int userId) { 19744 if (!sUserManager.exists(userId)) return; 19745 setEnabledSetting(componentName.getPackageName(), 19746 componentName.getClassName(), newState, flags, userId, null); 19747 } 19748 19749 private void setEnabledSetting(final String packageName, String className, int newState, 19750 final int flags, int userId, String callingPackage) { 19751 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 19752 || newState == COMPONENT_ENABLED_STATE_ENABLED 19753 || newState == COMPONENT_ENABLED_STATE_DISABLED 19754 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19755 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 19756 throw new IllegalArgumentException("Invalid new component state: " 19757 + newState); 19758 } 19759 PackageSetting pkgSetting; 19760 final int uid = Binder.getCallingUid(); 19761 final int permission; 19762 if (uid == Process.SYSTEM_UID) { 19763 permission = PackageManager.PERMISSION_GRANTED; 19764 } else { 19765 permission = mContext.checkCallingOrSelfPermission( 19766 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19767 } 19768 enforceCrossUserPermission(uid, userId, 19769 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 19770 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19771 boolean sendNow = false; 19772 boolean isApp = (className == null); 19773 String componentName = isApp ? packageName : className; 19774 int packageUid = -1; 19775 ArrayList<String> components; 19776 19777 // writer 19778 synchronized (mPackages) { 19779 pkgSetting = mSettings.mPackages.get(packageName); 19780 if (pkgSetting == null) { 19781 if (className == null) { 19782 throw new IllegalArgumentException("Unknown package: " + packageName); 19783 } 19784 throw new IllegalArgumentException( 19785 "Unknown component: " + packageName + "/" + className); 19786 } 19787 } 19788 19789 // Limit who can change which apps 19790 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 19791 // Don't allow apps that don't have permission to modify other apps 19792 if (!allowedByPermission) { 19793 throw new SecurityException( 19794 "Permission Denial: attempt to change component state from pid=" 19795 + Binder.getCallingPid() 19796 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 19797 } 19798 // Don't allow changing protected packages. 19799 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 19800 throw new SecurityException("Cannot disable a protected package: " + packageName); 19801 } 19802 } 19803 19804 synchronized (mPackages) { 19805 if (uid == Process.SHELL_UID 19806 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 19807 // Shell can only change whole packages between ENABLED and DISABLED_USER states 19808 // unless it is a test package. 19809 int oldState = pkgSetting.getEnabled(userId); 19810 if (className == null 19811 && 19812 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 19813 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 19814 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 19815 && 19816 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19817 || newState == COMPONENT_ENABLED_STATE_DEFAULT 19818 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 19819 // ok 19820 } else { 19821 throw new SecurityException( 19822 "Shell cannot change component state for " + packageName + "/" 19823 + className + " to " + newState); 19824 } 19825 } 19826 if (className == null) { 19827 // We're dealing with an application/package level state change 19828 if (pkgSetting.getEnabled(userId) == newState) { 19829 // Nothing to do 19830 return; 19831 } 19832 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 19833 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 19834 // Don't care about who enables an app. 19835 callingPackage = null; 19836 } 19837 pkgSetting.setEnabled(newState, userId, callingPackage); 19838 // pkgSetting.pkg.mSetEnabled = newState; 19839 } else { 19840 // We're dealing with a component level state change 19841 // First, verify that this is a valid class name. 19842 PackageParser.Package pkg = pkgSetting.pkg; 19843 if (pkg == null || !pkg.hasComponentClassName(className)) { 19844 if (pkg != null && 19845 pkg.applicationInfo.targetSdkVersion >= 19846 Build.VERSION_CODES.JELLY_BEAN) { 19847 throw new IllegalArgumentException("Component class " + className 19848 + " does not exist in " + packageName); 19849 } else { 19850 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 19851 + className + " does not exist in " + packageName); 19852 } 19853 } 19854 switch (newState) { 19855 case COMPONENT_ENABLED_STATE_ENABLED: 19856 if (!pkgSetting.enableComponentLPw(className, userId)) { 19857 return; 19858 } 19859 break; 19860 case COMPONENT_ENABLED_STATE_DISABLED: 19861 if (!pkgSetting.disableComponentLPw(className, userId)) { 19862 return; 19863 } 19864 break; 19865 case COMPONENT_ENABLED_STATE_DEFAULT: 19866 if (!pkgSetting.restoreComponentLPw(className, userId)) { 19867 return; 19868 } 19869 break; 19870 default: 19871 Slog.e(TAG, "Invalid new component state: " + newState); 19872 return; 19873 } 19874 } 19875 scheduleWritePackageRestrictionsLocked(userId); 19876 updateSequenceNumberLP(packageName, new int[] { userId }); 19877 final long callingId = Binder.clearCallingIdentity(); 19878 try { 19879 updateInstantAppInstallerLocked(); 19880 } finally { 19881 Binder.restoreCallingIdentity(callingId); 19882 } 19883 components = mPendingBroadcasts.get(userId, packageName); 19884 final boolean newPackage = components == null; 19885 if (newPackage) { 19886 components = new ArrayList<String>(); 19887 } 19888 if (!components.contains(componentName)) { 19889 components.add(componentName); 19890 } 19891 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 19892 sendNow = true; 19893 // Purge entry from pending broadcast list if another one exists already 19894 // since we are sending one right away. 19895 mPendingBroadcasts.remove(userId, packageName); 19896 } else { 19897 if (newPackage) { 19898 mPendingBroadcasts.put(userId, packageName, components); 19899 } 19900 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 19901 // Schedule a message 19902 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 19903 } 19904 } 19905 } 19906 19907 long callingId = Binder.clearCallingIdentity(); 19908 try { 19909 if (sendNow) { 19910 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 19911 sendPackageChangedBroadcast(packageName, 19912 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 19913 } 19914 } finally { 19915 Binder.restoreCallingIdentity(callingId); 19916 } 19917 } 19918 19919 @Override 19920 public void flushPackageRestrictionsAsUser(int userId) { 19921 if (!sUserManager.exists(userId)) { 19922 return; 19923 } 19924 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 19925 false /* checkShell */, "flushPackageRestrictions"); 19926 synchronized (mPackages) { 19927 mSettings.writePackageRestrictionsLPr(userId); 19928 mDirtyUsers.remove(userId); 19929 if (mDirtyUsers.isEmpty()) { 19930 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 19931 } 19932 } 19933 } 19934 19935 private void sendPackageChangedBroadcast(String packageName, 19936 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 19937 if (DEBUG_INSTALL) 19938 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 19939 + componentNames); 19940 Bundle extras = new Bundle(4); 19941 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 19942 String nameList[] = new String[componentNames.size()]; 19943 componentNames.toArray(nameList); 19944 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 19945 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 19946 extras.putInt(Intent.EXTRA_UID, packageUid); 19947 // If this is not reporting a change of the overall package, then only send it 19948 // to registered receivers. We don't want to launch a swath of apps for every 19949 // little component state change. 19950 final int flags = !componentNames.contains(packageName) 19951 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 19952 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 19953 new int[] {UserHandle.getUserId(packageUid)}); 19954 } 19955 19956 @Override 19957 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 19958 if (!sUserManager.exists(userId)) return; 19959 final int uid = Binder.getCallingUid(); 19960 final int permission = mContext.checkCallingOrSelfPermission( 19961 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19962 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19963 enforceCrossUserPermission(uid, userId, 19964 true /* requireFullPermission */, true /* checkShell */, "stop package"); 19965 // writer 19966 synchronized (mPackages) { 19967 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 19968 allowedByPermission, uid, userId)) { 19969 scheduleWritePackageRestrictionsLocked(userId); 19970 } 19971 } 19972 } 19973 19974 @Override 19975 public String getInstallerPackageName(String packageName) { 19976 // reader 19977 synchronized (mPackages) { 19978 return mSettings.getInstallerPackageNameLPr(packageName); 19979 } 19980 } 19981 19982 public boolean isOrphaned(String packageName) { 19983 // reader 19984 synchronized (mPackages) { 19985 return mSettings.isOrphaned(packageName); 19986 } 19987 } 19988 19989 @Override 19990 public int getApplicationEnabledSetting(String packageName, int userId) { 19991 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19992 int uid = Binder.getCallingUid(); 19993 enforceCrossUserPermission(uid, userId, 19994 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 19995 // reader 19996 synchronized (mPackages) { 19997 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 19998 } 19999 } 20000 20001 @Override 20002 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 20003 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 20004 int uid = Binder.getCallingUid(); 20005 enforceCrossUserPermission(uid, userId, 20006 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 20007 // reader 20008 synchronized (mPackages) { 20009 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 20010 } 20011 } 20012 20013 @Override 20014 public void enterSafeMode() { 20015 enforceSystemOrRoot("Only the system can request entering safe mode"); 20016 20017 if (!mSystemReady) { 20018 mSafeMode = true; 20019 } 20020 } 20021 20022 @Override 20023 public void systemReady() { 20024 mSystemReady = true; 20025 20026 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 20027 // disabled after already being started. 20028 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 20029 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 20030 20031 // Read the compatibilty setting when the system is ready. 20032 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 20033 mContext.getContentResolver(), 20034 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 20035 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 20036 if (DEBUG_SETTINGS) { 20037 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 20038 } 20039 20040 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 20041 20042 synchronized (mPackages) { 20043 // Verify that all of the preferred activity components actually 20044 // exist. It is possible for applications to be updated and at 20045 // that point remove a previously declared activity component that 20046 // had been set as a preferred activity. We try to clean this up 20047 // the next time we encounter that preferred activity, but it is 20048 // possible for the user flow to never be able to return to that 20049 // situation so here we do a sanity check to make sure we haven't 20050 // left any junk around. 20051 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 20052 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20053 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20054 removed.clear(); 20055 for (PreferredActivity pa : pir.filterSet()) { 20056 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 20057 removed.add(pa); 20058 } 20059 } 20060 if (removed.size() > 0) { 20061 for (int r=0; r<removed.size(); r++) { 20062 PreferredActivity pa = removed.get(r); 20063 Slog.w(TAG, "Removing dangling preferred activity: " 20064 + pa.mPref.mComponent); 20065 pir.removeFilter(pa); 20066 } 20067 mSettings.writePackageRestrictionsLPr( 20068 mSettings.mPreferredActivities.keyAt(i)); 20069 } 20070 } 20071 20072 for (int userId : UserManagerService.getInstance().getUserIds()) { 20073 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20074 grantPermissionsUserIds = ArrayUtils.appendInt( 20075 grantPermissionsUserIds, userId); 20076 } 20077 } 20078 } 20079 sUserManager.systemReady(); 20080 20081 // If we upgraded grant all default permissions before kicking off. 20082 for (int userId : grantPermissionsUserIds) { 20083 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20084 } 20085 20086 // If we did not grant default permissions, we preload from this the 20087 // default permission exceptions lazily to ensure we don't hit the 20088 // disk on a new user creation. 20089 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 20090 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 20091 } 20092 20093 // Kick off any messages waiting for system ready 20094 if (mPostSystemReadyMessages != null) { 20095 for (Message msg : mPostSystemReadyMessages) { 20096 msg.sendToTarget(); 20097 } 20098 mPostSystemReadyMessages = null; 20099 } 20100 20101 // Watch for external volumes that come and go over time 20102 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20103 storage.registerListener(mStorageListener); 20104 20105 mInstallerService.systemReady(); 20106 mPackageDexOptimizer.systemReady(); 20107 20108 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 20109 StorageManagerInternal.class); 20110 StorageManagerInternal.addExternalStoragePolicy( 20111 new StorageManagerInternal.ExternalStorageMountPolicy() { 20112 @Override 20113 public int getMountMode(int uid, String packageName) { 20114 if (Process.isIsolated(uid)) { 20115 return Zygote.MOUNT_EXTERNAL_NONE; 20116 } 20117 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 20118 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20119 } 20120 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20121 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20122 } 20123 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20124 return Zygote.MOUNT_EXTERNAL_READ; 20125 } 20126 return Zygote.MOUNT_EXTERNAL_WRITE; 20127 } 20128 20129 @Override 20130 public boolean hasExternalStorage(int uid, String packageName) { 20131 return true; 20132 } 20133 }); 20134 20135 // Now that we're mostly running, clean up stale users and apps 20136 sUserManager.reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 20137 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 20138 20139 if (mPrivappPermissionsViolations != null) { 20140 Slog.wtf(TAG,"Signature|privileged permissions not in " 20141 + "privapp-permissions whitelist: " + mPrivappPermissionsViolations); 20142 mPrivappPermissionsViolations = null; 20143 } 20144 } 20145 20146 public void waitForAppDataPrepared() { 20147 if (mPrepareAppDataFuture == null) { 20148 return; 20149 } 20150 ConcurrentUtils.waitForFutureNoInterrupt(mPrepareAppDataFuture, "wait for prepareAppData"); 20151 mPrepareAppDataFuture = null; 20152 } 20153 20154 @Override 20155 public boolean isSafeMode() { 20156 return mSafeMode; 20157 } 20158 20159 @Override 20160 public boolean hasSystemUidErrors() { 20161 return mHasSystemUidErrors; 20162 } 20163 20164 static String arrayToString(int[] array) { 20165 StringBuffer buf = new StringBuffer(128); 20166 buf.append('['); 20167 if (array != null) { 20168 for (int i=0; i<array.length; i++) { 20169 if (i > 0) buf.append(", "); 20170 buf.append(array[i]); 20171 } 20172 } 20173 buf.append(']'); 20174 return buf.toString(); 20175 } 20176 20177 static class DumpState { 20178 public static final int DUMP_LIBS = 1 << 0; 20179 public static final int DUMP_FEATURES = 1 << 1; 20180 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 20181 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 20182 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 20183 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 20184 public static final int DUMP_PERMISSIONS = 1 << 6; 20185 public static final int DUMP_PACKAGES = 1 << 7; 20186 public static final int DUMP_SHARED_USERS = 1 << 8; 20187 public static final int DUMP_MESSAGES = 1 << 9; 20188 public static final int DUMP_PROVIDERS = 1 << 10; 20189 public static final int DUMP_VERIFIERS = 1 << 11; 20190 public static final int DUMP_PREFERRED = 1 << 12; 20191 public static final int DUMP_PREFERRED_XML = 1 << 13; 20192 public static final int DUMP_KEYSETS = 1 << 14; 20193 public static final int DUMP_VERSION = 1 << 15; 20194 public static final int DUMP_INSTALLS = 1 << 16; 20195 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 20196 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 20197 public static final int DUMP_FROZEN = 1 << 19; 20198 public static final int DUMP_DEXOPT = 1 << 20; 20199 public static final int DUMP_COMPILER_STATS = 1 << 21; 20200 public static final int DUMP_ENABLED_OVERLAYS = 1 << 22; 20201 20202 public static final int OPTION_SHOW_FILTERS = 1 << 0; 20203 20204 private int mTypes; 20205 20206 private int mOptions; 20207 20208 private boolean mTitlePrinted; 20209 20210 private SharedUserSetting mSharedUser; 20211 20212 public boolean isDumping(int type) { 20213 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 20214 return true; 20215 } 20216 20217 return (mTypes & type) != 0; 20218 } 20219 20220 public void setDump(int type) { 20221 mTypes |= type; 20222 } 20223 20224 public boolean isOptionEnabled(int option) { 20225 return (mOptions & option) != 0; 20226 } 20227 20228 public void setOptionEnabled(int option) { 20229 mOptions |= option; 20230 } 20231 20232 public boolean onTitlePrinted() { 20233 final boolean printed = mTitlePrinted; 20234 mTitlePrinted = true; 20235 return printed; 20236 } 20237 20238 public boolean getTitlePrinted() { 20239 return mTitlePrinted; 20240 } 20241 20242 public void setTitlePrinted(boolean enabled) { 20243 mTitlePrinted = enabled; 20244 } 20245 20246 public SharedUserSetting getSharedUser() { 20247 return mSharedUser; 20248 } 20249 20250 public void setSharedUser(SharedUserSetting user) { 20251 mSharedUser = user; 20252 } 20253 } 20254 20255 @Override 20256 public void onShellCommand(FileDescriptor in, FileDescriptor out, 20257 FileDescriptor err, String[] args, ShellCallback callback, 20258 ResultReceiver resultReceiver) { 20259 (new PackageManagerShellCommand(this)).exec( 20260 this, in, out, err, args, callback, resultReceiver); 20261 } 20262 20263 @Override 20264 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 20265 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 20266 != PackageManager.PERMISSION_GRANTED) { 20267 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 20268 + Binder.getCallingPid() 20269 + ", uid=" + Binder.getCallingUid() 20270 + " without permission " 20271 + android.Manifest.permission.DUMP); 20272 return; 20273 } 20274 20275 DumpState dumpState = new DumpState(); 20276 boolean fullPreferred = false; 20277 boolean checkin = false; 20278 20279 String packageName = null; 20280 ArraySet<String> permissionNames = null; 20281 20282 int opti = 0; 20283 while (opti < args.length) { 20284 String opt = args[opti]; 20285 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 20286 break; 20287 } 20288 opti++; 20289 20290 if ("-a".equals(opt)) { 20291 // Right now we only know how to print all. 20292 } else if ("-h".equals(opt)) { 20293 pw.println("Package manager dump options:"); 20294 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 20295 pw.println(" --checkin: dump for a checkin"); 20296 pw.println(" -f: print details of intent filters"); 20297 pw.println(" -h: print this help"); 20298 pw.println(" cmd may be one of:"); 20299 pw.println(" l[ibraries]: list known shared libraries"); 20300 pw.println(" f[eatures]: list device features"); 20301 pw.println(" k[eysets]: print known keysets"); 20302 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 20303 pw.println(" perm[issions]: dump permissions"); 20304 pw.println(" permission [name ...]: dump declaration and use of given permission"); 20305 pw.println(" pref[erred]: print preferred package settings"); 20306 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 20307 pw.println(" prov[iders]: dump content providers"); 20308 pw.println(" p[ackages]: dump installed packages"); 20309 pw.println(" s[hared-users]: dump shared user IDs"); 20310 pw.println(" m[essages]: print collected runtime messages"); 20311 pw.println(" v[erifiers]: print package verifier info"); 20312 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 20313 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 20314 pw.println(" version: print database version info"); 20315 pw.println(" write: write current settings now"); 20316 pw.println(" installs: details about install sessions"); 20317 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 20318 pw.println(" dexopt: dump dexopt state"); 20319 pw.println(" compiler-stats: dump compiler statistics"); 20320 pw.println(" enabled-overlays: dump list of enabled overlay packages"); 20321 pw.println(" <package.name>: info about given package"); 20322 return; 20323 } else if ("--checkin".equals(opt)) { 20324 checkin = true; 20325 } else if ("-f".equals(opt)) { 20326 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20327 } else if ("--proto".equals(opt)) { 20328 dumpProto(fd); 20329 return; 20330 } else { 20331 pw.println("Unknown argument: " + opt + "; use -h for help"); 20332 } 20333 } 20334 20335 // Is the caller requesting to dump a particular piece of data? 20336 if (opti < args.length) { 20337 String cmd = args[opti]; 20338 opti++; 20339 // Is this a package name? 20340 if ("android".equals(cmd) || cmd.contains(".")) { 20341 packageName = cmd; 20342 // When dumping a single package, we always dump all of its 20343 // filter information since the amount of data will be reasonable. 20344 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20345 } else if ("check-permission".equals(cmd)) { 20346 if (opti >= args.length) { 20347 pw.println("Error: check-permission missing permission argument"); 20348 return; 20349 } 20350 String perm = args[opti]; 20351 opti++; 20352 if (opti >= args.length) { 20353 pw.println("Error: check-permission missing package argument"); 20354 return; 20355 } 20356 20357 String pkg = args[opti]; 20358 opti++; 20359 int user = UserHandle.getUserId(Binder.getCallingUid()); 20360 if (opti < args.length) { 20361 try { 20362 user = Integer.parseInt(args[opti]); 20363 } catch (NumberFormatException e) { 20364 pw.println("Error: check-permission user argument is not a number: " 20365 + args[opti]); 20366 return; 20367 } 20368 } 20369 20370 // Normalize package name to handle renamed packages and static libs 20371 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 20372 20373 pw.println(checkPermission(perm, pkg, user)); 20374 return; 20375 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 20376 dumpState.setDump(DumpState.DUMP_LIBS); 20377 } else if ("f".equals(cmd) || "features".equals(cmd)) { 20378 dumpState.setDump(DumpState.DUMP_FEATURES); 20379 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 20380 if (opti >= args.length) { 20381 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 20382 | DumpState.DUMP_SERVICE_RESOLVERS 20383 | DumpState.DUMP_RECEIVER_RESOLVERS 20384 | DumpState.DUMP_CONTENT_RESOLVERS); 20385 } else { 20386 while (opti < args.length) { 20387 String name = args[opti]; 20388 if ("a".equals(name) || "activity".equals(name)) { 20389 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 20390 } else if ("s".equals(name) || "service".equals(name)) { 20391 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 20392 } else if ("r".equals(name) || "receiver".equals(name)) { 20393 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 20394 } else if ("c".equals(name) || "content".equals(name)) { 20395 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 20396 } else { 20397 pw.println("Error: unknown resolver table type: " + name); 20398 return; 20399 } 20400 opti++; 20401 } 20402 } 20403 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 20404 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 20405 } else if ("permission".equals(cmd)) { 20406 if (opti >= args.length) { 20407 pw.println("Error: permission requires permission name"); 20408 return; 20409 } 20410 permissionNames = new ArraySet<>(); 20411 while (opti < args.length) { 20412 permissionNames.add(args[opti]); 20413 opti++; 20414 } 20415 dumpState.setDump(DumpState.DUMP_PERMISSIONS 20416 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 20417 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 20418 dumpState.setDump(DumpState.DUMP_PREFERRED); 20419 } else if ("preferred-xml".equals(cmd)) { 20420 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 20421 if (opti < args.length && "--full".equals(args[opti])) { 20422 fullPreferred = true; 20423 opti++; 20424 } 20425 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 20426 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 20427 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 20428 dumpState.setDump(DumpState.DUMP_PACKAGES); 20429 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 20430 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 20431 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 20432 dumpState.setDump(DumpState.DUMP_PROVIDERS); 20433 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 20434 dumpState.setDump(DumpState.DUMP_MESSAGES); 20435 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 20436 dumpState.setDump(DumpState.DUMP_VERIFIERS); 20437 } else if ("i".equals(cmd) || "ifv".equals(cmd) 20438 || "intent-filter-verifiers".equals(cmd)) { 20439 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 20440 } else if ("version".equals(cmd)) { 20441 dumpState.setDump(DumpState.DUMP_VERSION); 20442 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 20443 dumpState.setDump(DumpState.DUMP_KEYSETS); 20444 } else if ("installs".equals(cmd)) { 20445 dumpState.setDump(DumpState.DUMP_INSTALLS); 20446 } else if ("frozen".equals(cmd)) { 20447 dumpState.setDump(DumpState.DUMP_FROZEN); 20448 } else if ("dexopt".equals(cmd)) { 20449 dumpState.setDump(DumpState.DUMP_DEXOPT); 20450 } else if ("compiler-stats".equals(cmd)) { 20451 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 20452 } else if ("enabled-overlays".equals(cmd)) { 20453 dumpState.setDump(DumpState.DUMP_ENABLED_OVERLAYS); 20454 } else if ("write".equals(cmd)) { 20455 synchronized (mPackages) { 20456 mSettings.writeLPr(); 20457 pw.println("Settings written."); 20458 return; 20459 } 20460 } 20461 } 20462 20463 if (checkin) { 20464 pw.println("vers,1"); 20465 } 20466 20467 // reader 20468 synchronized (mPackages) { 20469 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 20470 if (!checkin) { 20471 if (dumpState.onTitlePrinted()) 20472 pw.println(); 20473 pw.println("Database versions:"); 20474 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 20475 } 20476 } 20477 20478 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 20479 if (!checkin) { 20480 if (dumpState.onTitlePrinted()) 20481 pw.println(); 20482 pw.println("Verifiers:"); 20483 pw.print(" Required: "); 20484 pw.print(mRequiredVerifierPackage); 20485 pw.print(" (uid="); 20486 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20487 UserHandle.USER_SYSTEM)); 20488 pw.println(")"); 20489 } else if (mRequiredVerifierPackage != null) { 20490 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 20491 pw.print(","); 20492 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20493 UserHandle.USER_SYSTEM)); 20494 } 20495 } 20496 20497 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 20498 packageName == null) { 20499 if (mIntentFilterVerifierComponent != null) { 20500 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20501 if (!checkin) { 20502 if (dumpState.onTitlePrinted()) 20503 pw.println(); 20504 pw.println("Intent Filter Verifier:"); 20505 pw.print(" Using: "); 20506 pw.print(verifierPackageName); 20507 pw.print(" (uid="); 20508 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20509 UserHandle.USER_SYSTEM)); 20510 pw.println(")"); 20511 } else if (verifierPackageName != null) { 20512 pw.print("ifv,"); pw.print(verifierPackageName); 20513 pw.print(","); 20514 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20515 UserHandle.USER_SYSTEM)); 20516 } 20517 } else { 20518 pw.println(); 20519 pw.println("No Intent Filter Verifier available!"); 20520 } 20521 } 20522 20523 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 20524 boolean printedHeader = false; 20525 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 20526 while (it.hasNext()) { 20527 String libName = it.next(); 20528 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20529 if (versionedLib == null) { 20530 continue; 20531 } 20532 final int versionCount = versionedLib.size(); 20533 for (int i = 0; i < versionCount; i++) { 20534 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 20535 if (!checkin) { 20536 if (!printedHeader) { 20537 if (dumpState.onTitlePrinted()) 20538 pw.println(); 20539 pw.println("Libraries:"); 20540 printedHeader = true; 20541 } 20542 pw.print(" "); 20543 } else { 20544 pw.print("lib,"); 20545 } 20546 pw.print(libEntry.info.getName()); 20547 if (libEntry.info.isStatic()) { 20548 pw.print(" version=" + libEntry.info.getVersion()); 20549 } 20550 if (!checkin) { 20551 pw.print(" -> "); 20552 } 20553 if (libEntry.path != null) { 20554 pw.print(" (jar) "); 20555 pw.print(libEntry.path); 20556 } else { 20557 pw.print(" (apk) "); 20558 pw.print(libEntry.apk); 20559 } 20560 pw.println(); 20561 } 20562 } 20563 } 20564 20565 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 20566 if (dumpState.onTitlePrinted()) 20567 pw.println(); 20568 if (!checkin) { 20569 pw.println("Features:"); 20570 } 20571 20572 synchronized (mAvailableFeatures) { 20573 for (FeatureInfo feat : mAvailableFeatures.values()) { 20574 if (checkin) { 20575 pw.print("feat,"); 20576 pw.print(feat.name); 20577 pw.print(","); 20578 pw.println(feat.version); 20579 } else { 20580 pw.print(" "); 20581 pw.print(feat.name); 20582 if (feat.version > 0) { 20583 pw.print(" version="); 20584 pw.print(feat.version); 20585 } 20586 pw.println(); 20587 } 20588 } 20589 } 20590 } 20591 20592 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 20593 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 20594 : "Activity Resolver Table:", " ", packageName, 20595 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20596 dumpState.setTitlePrinted(true); 20597 } 20598 } 20599 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 20600 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 20601 : "Receiver Resolver Table:", " ", packageName, 20602 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20603 dumpState.setTitlePrinted(true); 20604 } 20605 } 20606 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 20607 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 20608 : "Service Resolver Table:", " ", packageName, 20609 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20610 dumpState.setTitlePrinted(true); 20611 } 20612 } 20613 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 20614 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 20615 : "Provider Resolver Table:", " ", packageName, 20616 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20617 dumpState.setTitlePrinted(true); 20618 } 20619 } 20620 20621 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 20622 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20623 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20624 int user = mSettings.mPreferredActivities.keyAt(i); 20625 if (pir.dump(pw, 20626 dumpState.getTitlePrinted() 20627 ? "\nPreferred Activities User " + user + ":" 20628 : "Preferred Activities User " + user + ":", " ", 20629 packageName, true, false)) { 20630 dumpState.setTitlePrinted(true); 20631 } 20632 } 20633 } 20634 20635 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 20636 pw.flush(); 20637 FileOutputStream fout = new FileOutputStream(fd); 20638 BufferedOutputStream str = new BufferedOutputStream(fout); 20639 XmlSerializer serializer = new FastXmlSerializer(); 20640 try { 20641 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 20642 serializer.startDocument(null, true); 20643 serializer.setFeature( 20644 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 20645 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 20646 serializer.endDocument(); 20647 serializer.flush(); 20648 } catch (IllegalArgumentException e) { 20649 pw.println("Failed writing: " + e); 20650 } catch (IllegalStateException e) { 20651 pw.println("Failed writing: " + e); 20652 } catch (IOException e) { 20653 pw.println("Failed writing: " + e); 20654 } 20655 } 20656 20657 if (!checkin 20658 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 20659 && packageName == null) { 20660 pw.println(); 20661 int count = mSettings.mPackages.size(); 20662 if (count == 0) { 20663 pw.println("No applications!"); 20664 pw.println(); 20665 } else { 20666 final String prefix = " "; 20667 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 20668 if (allPackageSettings.size() == 0) { 20669 pw.println("No domain preferred apps!"); 20670 pw.println(); 20671 } else { 20672 pw.println("App verification status:"); 20673 pw.println(); 20674 count = 0; 20675 for (PackageSetting ps : allPackageSettings) { 20676 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 20677 if (ivi == null || ivi.getPackageName() == null) continue; 20678 pw.println(prefix + "Package: " + ivi.getPackageName()); 20679 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 20680 pw.println(prefix + "Status: " + ivi.getStatusString()); 20681 pw.println(); 20682 count++; 20683 } 20684 if (count == 0) { 20685 pw.println(prefix + "No app verification established."); 20686 pw.println(); 20687 } 20688 for (int userId : sUserManager.getUserIds()) { 20689 pw.println("App linkages for user " + userId + ":"); 20690 pw.println(); 20691 count = 0; 20692 for (PackageSetting ps : allPackageSettings) { 20693 final long status = ps.getDomainVerificationStatusForUser(userId); 20694 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 20695 && !DEBUG_DOMAIN_VERIFICATION) { 20696 continue; 20697 } 20698 pw.println(prefix + "Package: " + ps.name); 20699 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 20700 String statusStr = IntentFilterVerificationInfo. 20701 getStatusStringFromValue(status); 20702 pw.println(prefix + "Status: " + statusStr); 20703 pw.println(); 20704 count++; 20705 } 20706 if (count == 0) { 20707 pw.println(prefix + "No configured app linkages."); 20708 pw.println(); 20709 } 20710 } 20711 } 20712 } 20713 } 20714 20715 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 20716 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 20717 if (packageName == null && permissionNames == null) { 20718 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 20719 if (iperm == 0) { 20720 if (dumpState.onTitlePrinted()) 20721 pw.println(); 20722 pw.println("AppOp Permissions:"); 20723 } 20724 pw.print(" AppOp Permission "); 20725 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 20726 pw.println(":"); 20727 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 20728 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 20729 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 20730 } 20731 } 20732 } 20733 } 20734 20735 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 20736 boolean printedSomething = false; 20737 for (PackageParser.Provider p : mProviders.mProviders.values()) { 20738 if (packageName != null && !packageName.equals(p.info.packageName)) { 20739 continue; 20740 } 20741 if (!printedSomething) { 20742 if (dumpState.onTitlePrinted()) 20743 pw.println(); 20744 pw.println("Registered ContentProviders:"); 20745 printedSomething = true; 20746 } 20747 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 20748 pw.print(" "); pw.println(p.toString()); 20749 } 20750 printedSomething = false; 20751 for (Map.Entry<String, PackageParser.Provider> entry : 20752 mProvidersByAuthority.entrySet()) { 20753 PackageParser.Provider p = entry.getValue(); 20754 if (packageName != null && !packageName.equals(p.info.packageName)) { 20755 continue; 20756 } 20757 if (!printedSomething) { 20758 if (dumpState.onTitlePrinted()) 20759 pw.println(); 20760 pw.println("ContentProvider Authorities:"); 20761 printedSomething = true; 20762 } 20763 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 20764 pw.print(" "); pw.println(p.toString()); 20765 if (p.info != null && p.info.applicationInfo != null) { 20766 final String appInfo = p.info.applicationInfo.toString(); 20767 pw.print(" applicationInfo="); pw.println(appInfo); 20768 } 20769 } 20770 } 20771 20772 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 20773 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 20774 } 20775 20776 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 20777 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 20778 } 20779 20780 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 20781 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 20782 } 20783 20784 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 20785 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 20786 } 20787 20788 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 20789 // XXX should handle packageName != null by dumping only install data that 20790 // the given package is involved with. 20791 if (dumpState.onTitlePrinted()) pw.println(); 20792 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 20793 } 20794 20795 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 20796 // XXX should handle packageName != null by dumping only install data that 20797 // the given package is involved with. 20798 if (dumpState.onTitlePrinted()) pw.println(); 20799 20800 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20801 ipw.println(); 20802 ipw.println("Frozen packages:"); 20803 ipw.increaseIndent(); 20804 if (mFrozenPackages.size() == 0) { 20805 ipw.println("(none)"); 20806 } else { 20807 for (int i = 0; i < mFrozenPackages.size(); i++) { 20808 ipw.println(mFrozenPackages.valueAt(i)); 20809 } 20810 } 20811 ipw.decreaseIndent(); 20812 } 20813 20814 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 20815 if (dumpState.onTitlePrinted()) pw.println(); 20816 dumpDexoptStateLPr(pw, packageName); 20817 } 20818 20819 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 20820 if (dumpState.onTitlePrinted()) pw.println(); 20821 dumpCompilerStatsLPr(pw, packageName); 20822 } 20823 20824 if (!checkin && dumpState.isDumping(DumpState.DUMP_ENABLED_OVERLAYS)) { 20825 if (dumpState.onTitlePrinted()) pw.println(); 20826 dumpEnabledOverlaysLPr(pw); 20827 } 20828 20829 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 20830 if (dumpState.onTitlePrinted()) pw.println(); 20831 mSettings.dumpReadMessagesLPr(pw, dumpState); 20832 20833 pw.println(); 20834 pw.println("Package warning messages:"); 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 pw.println(line); 20842 } 20843 } catch (IOException ignored) { 20844 } finally { 20845 IoUtils.closeQuietly(in); 20846 } 20847 } 20848 20849 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 20850 BufferedReader in = null; 20851 String line = null; 20852 try { 20853 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20854 while ((line = in.readLine()) != null) { 20855 if (line.contains("ignored: updated version")) continue; 20856 pw.print("msg,"); 20857 pw.println(line); 20858 } 20859 } catch (IOException ignored) { 20860 } finally { 20861 IoUtils.closeQuietly(in); 20862 } 20863 } 20864 } 20865 } 20866 20867 private void dumpProto(FileDescriptor fd) { 20868 final ProtoOutputStream proto = new ProtoOutputStream(fd); 20869 20870 synchronized (mPackages) { 20871 final long requiredVerifierPackageToken = 20872 proto.start(PackageServiceDumpProto.REQUIRED_VERIFIER_PACKAGE); 20873 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, mRequiredVerifierPackage); 20874 proto.write( 20875 PackageServiceDumpProto.PackageShortProto.UID, 20876 getPackageUid( 20877 mRequiredVerifierPackage, 20878 MATCH_DEBUG_TRIAGED_MISSING, 20879 UserHandle.USER_SYSTEM)); 20880 proto.end(requiredVerifierPackageToken); 20881 20882 if (mIntentFilterVerifierComponent != null) { 20883 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20884 final long verifierPackageToken = 20885 proto.start(PackageServiceDumpProto.VERIFIER_PACKAGE); 20886 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, verifierPackageName); 20887 proto.write( 20888 PackageServiceDumpProto.PackageShortProto.UID, 20889 getPackageUid( 20890 verifierPackageName, 20891 MATCH_DEBUG_TRIAGED_MISSING, 20892 UserHandle.USER_SYSTEM)); 20893 proto.end(verifierPackageToken); 20894 } 20895 20896 dumpSharedLibrariesProto(proto); 20897 dumpFeaturesProto(proto); 20898 mSettings.dumpPackagesProto(proto); 20899 mSettings.dumpSharedUsersProto(proto); 20900 dumpMessagesProto(proto); 20901 } 20902 proto.flush(); 20903 } 20904 20905 private void dumpMessagesProto(ProtoOutputStream proto) { 20906 BufferedReader in = null; 20907 String line = null; 20908 try { 20909 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20910 while ((line = in.readLine()) != null) { 20911 if (line.contains("ignored: updated version")) continue; 20912 proto.write(PackageServiceDumpProto.MESSAGES, line); 20913 } 20914 } catch (IOException ignored) { 20915 } finally { 20916 IoUtils.closeQuietly(in); 20917 } 20918 } 20919 20920 private void dumpFeaturesProto(ProtoOutputStream proto) { 20921 synchronized (mAvailableFeatures) { 20922 final int count = mAvailableFeatures.size(); 20923 for (int i = 0; i < count; i++) { 20924 final FeatureInfo feat = mAvailableFeatures.valueAt(i); 20925 final long featureToken = proto.start(PackageServiceDumpProto.FEATURES); 20926 proto.write(PackageServiceDumpProto.FeatureProto.NAME, feat.name); 20927 proto.write(PackageServiceDumpProto.FeatureProto.VERSION, feat.version); 20928 proto.end(featureToken); 20929 } 20930 } 20931 } 20932 20933 private void dumpSharedLibrariesProto(ProtoOutputStream proto) { 20934 final int count = mSharedLibraries.size(); 20935 for (int i = 0; i < count; i++) { 20936 final String libName = mSharedLibraries.keyAt(i); 20937 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20938 if (versionedLib == null) { 20939 continue; 20940 } 20941 final int versionCount = versionedLib.size(); 20942 for (int j = 0; j < versionCount; j++) { 20943 final SharedLibraryEntry libEntry = versionedLib.valueAt(j); 20944 final long sharedLibraryToken = 20945 proto.start(PackageServiceDumpProto.SHARED_LIBRARIES); 20946 proto.write(PackageServiceDumpProto.SharedLibraryProto.NAME, libEntry.info.getName()); 20947 final boolean isJar = (libEntry.path != null); 20948 proto.write(PackageServiceDumpProto.SharedLibraryProto.IS_JAR, isJar); 20949 if (isJar) { 20950 proto.write(PackageServiceDumpProto.SharedLibraryProto.PATH, libEntry.path); 20951 } else { 20952 proto.write(PackageServiceDumpProto.SharedLibraryProto.APK, libEntry.apk); 20953 } 20954 proto.end(sharedLibraryToken); 20955 } 20956 } 20957 } 20958 20959 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 20960 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20961 ipw.println(); 20962 ipw.println("Dexopt state:"); 20963 ipw.increaseIndent(); 20964 Collection<PackageParser.Package> packages = null; 20965 if (packageName != null) { 20966 PackageParser.Package targetPackage = mPackages.get(packageName); 20967 if (targetPackage != null) { 20968 packages = Collections.singletonList(targetPackage); 20969 } else { 20970 ipw.println("Unable to find package: " + packageName); 20971 return; 20972 } 20973 } else { 20974 packages = mPackages.values(); 20975 } 20976 20977 for (PackageParser.Package pkg : packages) { 20978 ipw.println("[" + pkg.packageName + "]"); 20979 ipw.increaseIndent(); 20980 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 20981 ipw.decreaseIndent(); 20982 } 20983 } 20984 20985 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 20986 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20987 ipw.println(); 20988 ipw.println("Compiler stats:"); 20989 ipw.increaseIndent(); 20990 Collection<PackageParser.Package> packages = null; 20991 if (packageName != null) { 20992 PackageParser.Package targetPackage = mPackages.get(packageName); 20993 if (targetPackage != null) { 20994 packages = Collections.singletonList(targetPackage); 20995 } else { 20996 ipw.println("Unable to find package: " + packageName); 20997 return; 20998 } 20999 } else { 21000 packages = mPackages.values(); 21001 } 21002 21003 for (PackageParser.Package pkg : packages) { 21004 ipw.println("[" + pkg.packageName + "]"); 21005 ipw.increaseIndent(); 21006 21007 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 21008 if (stats == null) { 21009 ipw.println("(No recorded stats)"); 21010 } else { 21011 stats.dump(ipw); 21012 } 21013 ipw.decreaseIndent(); 21014 } 21015 } 21016 21017 private void dumpEnabledOverlaysLPr(PrintWriter pw) { 21018 pw.println("Enabled overlay paths:"); 21019 final int N = mEnabledOverlayPaths.size(); 21020 for (int i = 0; i < N; i++) { 21021 final int userId = mEnabledOverlayPaths.keyAt(i); 21022 pw.println(String.format(" User %d:", userId)); 21023 final ArrayMap<String, ArrayList<String>> userSpecificOverlays = 21024 mEnabledOverlayPaths.valueAt(i); 21025 final int M = userSpecificOverlays.size(); 21026 for (int j = 0; j < M; j++) { 21027 final String targetPackageName = userSpecificOverlays.keyAt(j); 21028 final ArrayList<String> overlayPackagePaths = userSpecificOverlays.valueAt(j); 21029 pw.println(String.format(" %s: %s", targetPackageName, overlayPackagePaths)); 21030 } 21031 } 21032 } 21033 21034 private String dumpDomainString(String packageName) { 21035 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 21036 .getList(); 21037 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 21038 21039 ArraySet<String> result = new ArraySet<>(); 21040 if (iviList.size() > 0) { 21041 for (IntentFilterVerificationInfo ivi : iviList) { 21042 for (String host : ivi.getDomains()) { 21043 result.add(host); 21044 } 21045 } 21046 } 21047 if (filters != null && filters.size() > 0) { 21048 for (IntentFilter filter : filters) { 21049 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 21050 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 21051 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 21052 result.addAll(filter.getHostsList()); 21053 } 21054 } 21055 } 21056 21057 StringBuilder sb = new StringBuilder(result.size() * 16); 21058 for (String domain : result) { 21059 if (sb.length() > 0) sb.append(" "); 21060 sb.append(domain); 21061 } 21062 return sb.toString(); 21063 } 21064 21065 // ------- apps on sdcard specific code ------- 21066 static final boolean DEBUG_SD_INSTALL = false; 21067 21068 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 21069 21070 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 21071 21072 private boolean mMediaMounted = false; 21073 21074 static String getEncryptKey() { 21075 try { 21076 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 21077 SD_ENCRYPTION_KEYSTORE_NAME); 21078 if (sdEncKey == null) { 21079 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 21080 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 21081 if (sdEncKey == null) { 21082 Slog.e(TAG, "Failed to create encryption keys"); 21083 return null; 21084 } 21085 } 21086 return sdEncKey; 21087 } catch (NoSuchAlgorithmException nsae) { 21088 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 21089 return null; 21090 } catch (IOException ioe) { 21091 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 21092 return null; 21093 } 21094 } 21095 21096 /* 21097 * Update media status on PackageManager. 21098 */ 21099 @Override 21100 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 21101 int callingUid = Binder.getCallingUid(); 21102 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 21103 throw new SecurityException("Media status can only be updated by the system"); 21104 } 21105 // reader; this apparently protects mMediaMounted, but should probably 21106 // be a different lock in that case. 21107 synchronized (mPackages) { 21108 Log.i(TAG, "Updating external media status from " 21109 + (mMediaMounted ? "mounted" : "unmounted") + " to " 21110 + (mediaStatus ? "mounted" : "unmounted")); 21111 if (DEBUG_SD_INSTALL) 21112 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 21113 + ", mMediaMounted=" + mMediaMounted); 21114 if (mediaStatus == mMediaMounted) { 21115 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 21116 : 0, -1); 21117 mHandler.sendMessage(msg); 21118 return; 21119 } 21120 mMediaMounted = mediaStatus; 21121 } 21122 // Queue up an async operation since the package installation may take a 21123 // little while. 21124 mHandler.post(new Runnable() { 21125 public void run() { 21126 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 21127 } 21128 }); 21129 } 21130 21131 /** 21132 * Called by StorageManagerService when the initial ASECs to scan are available. 21133 * Should block until all the ASEC containers are finished being scanned. 21134 */ 21135 public void scanAvailableAsecs() { 21136 updateExternalMediaStatusInner(true, false, false); 21137 } 21138 21139 /* 21140 * Collect information of applications on external media, map them against 21141 * existing containers and update information based on current mount status. 21142 * Please note that we always have to report status if reportStatus has been 21143 * set to true especially when unloading packages. 21144 */ 21145 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 21146 boolean externalStorage) { 21147 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 21148 int[] uidArr = EmptyArray.INT; 21149 21150 final String[] list = PackageHelper.getSecureContainerList(); 21151 if (ArrayUtils.isEmpty(list)) { 21152 Log.i(TAG, "No secure containers found"); 21153 } else { 21154 // Process list of secure containers and categorize them 21155 // as active or stale based on their package internal state. 21156 21157 // reader 21158 synchronized (mPackages) { 21159 for (String cid : list) { 21160 // Leave stages untouched for now; installer service owns them 21161 if (PackageInstallerService.isStageName(cid)) continue; 21162 21163 if (DEBUG_SD_INSTALL) 21164 Log.i(TAG, "Processing container " + cid); 21165 String pkgName = getAsecPackageName(cid); 21166 if (pkgName == null) { 21167 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 21168 continue; 21169 } 21170 if (DEBUG_SD_INSTALL) 21171 Log.i(TAG, "Looking for pkg : " + pkgName); 21172 21173 final PackageSetting ps = mSettings.mPackages.get(pkgName); 21174 if (ps == null) { 21175 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 21176 continue; 21177 } 21178 21179 /* 21180 * Skip packages that are not external if we're unmounting 21181 * external storage. 21182 */ 21183 if (externalStorage && !isMounted && !isExternal(ps)) { 21184 continue; 21185 } 21186 21187 final AsecInstallArgs args = new AsecInstallArgs(cid, 21188 getAppDexInstructionSets(ps), ps.isForwardLocked()); 21189 // The package status is changed only if the code path 21190 // matches between settings and the container id. 21191 if (ps.codePathString != null 21192 && ps.codePathString.startsWith(args.getCodePath())) { 21193 if (DEBUG_SD_INSTALL) { 21194 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 21195 + " at code path: " + ps.codePathString); 21196 } 21197 21198 // We do have a valid package installed on sdcard 21199 processCids.put(args, ps.codePathString); 21200 final int uid = ps.appId; 21201 if (uid != -1) { 21202 uidArr = ArrayUtils.appendInt(uidArr, uid); 21203 } 21204 } else { 21205 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 21206 + ps.codePathString); 21207 } 21208 } 21209 } 21210 21211 Arrays.sort(uidArr); 21212 } 21213 21214 // Process packages with valid entries. 21215 if (isMounted) { 21216 if (DEBUG_SD_INSTALL) 21217 Log.i(TAG, "Loading packages"); 21218 loadMediaPackages(processCids, uidArr, externalStorage); 21219 startCleaningPackages(); 21220 mInstallerService.onSecureContainersAvailable(); 21221 } else { 21222 if (DEBUG_SD_INSTALL) 21223 Log.i(TAG, "Unloading packages"); 21224 unloadMediaPackages(processCids, uidArr, reportStatus); 21225 } 21226 } 21227 21228 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21229 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 21230 final int size = infos.size(); 21231 final String[] packageNames = new String[size]; 21232 final int[] packageUids = new int[size]; 21233 for (int i = 0; i < size; i++) { 21234 final ApplicationInfo info = infos.get(i); 21235 packageNames[i] = info.packageName; 21236 packageUids[i] = info.uid; 21237 } 21238 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 21239 finishedReceiver); 21240 } 21241 21242 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21243 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21244 sendResourcesChangedBroadcast(mediaStatus, replacing, 21245 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 21246 } 21247 21248 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21249 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21250 int size = pkgList.length; 21251 if (size > 0) { 21252 // Send broadcasts here 21253 Bundle extras = new Bundle(); 21254 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 21255 if (uidArr != null) { 21256 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 21257 } 21258 if (replacing) { 21259 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 21260 } 21261 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 21262 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 21263 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 21264 } 21265 } 21266 21267 /* 21268 * Look at potentially valid container ids from processCids If package 21269 * information doesn't match the one on record or package scanning fails, 21270 * the cid is added to list of removeCids. We currently don't delete stale 21271 * containers. 21272 */ 21273 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 21274 boolean externalStorage) { 21275 ArrayList<String> pkgList = new ArrayList<String>(); 21276 Set<AsecInstallArgs> keys = processCids.keySet(); 21277 21278 for (AsecInstallArgs args : keys) { 21279 String codePath = processCids.get(args); 21280 if (DEBUG_SD_INSTALL) 21281 Log.i(TAG, "Loading container : " + args.cid); 21282 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 21283 try { 21284 // Make sure there are no container errors first. 21285 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 21286 Slog.e(TAG, "Failed to mount cid : " + args.cid 21287 + " when installing from sdcard"); 21288 continue; 21289 } 21290 // Check code path here. 21291 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 21292 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 21293 + " does not match one in settings " + codePath); 21294 continue; 21295 } 21296 // Parse package 21297 int parseFlags = mDefParseFlags; 21298 if (args.isExternalAsec()) { 21299 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 21300 } 21301 if (args.isFwdLocked()) { 21302 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 21303 } 21304 21305 synchronized (mInstallLock) { 21306 PackageParser.Package pkg = null; 21307 try { 21308 // Sadly we don't know the package name yet to freeze it 21309 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 21310 SCAN_IGNORE_FROZEN, 0, null); 21311 } catch (PackageManagerException e) { 21312 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 21313 } 21314 // Scan the package 21315 if (pkg != null) { 21316 /* 21317 * TODO why is the lock being held? doPostInstall is 21318 * called in other places without the lock. This needs 21319 * to be straightened out. 21320 */ 21321 // writer 21322 synchronized (mPackages) { 21323 retCode = PackageManager.INSTALL_SUCCEEDED; 21324 pkgList.add(pkg.packageName); 21325 // Post process args 21326 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 21327 pkg.applicationInfo.uid); 21328 } 21329 } else { 21330 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 21331 } 21332 } 21333 21334 } finally { 21335 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 21336 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 21337 } 21338 } 21339 } 21340 // writer 21341 synchronized (mPackages) { 21342 // If the platform SDK has changed since the last time we booted, 21343 // we need to re-grant app permission to catch any new ones that 21344 // appear. This is really a hack, and means that apps can in some 21345 // cases get permissions that the user didn't initially explicitly 21346 // allow... it would be nice to have some better way to handle 21347 // this situation. 21348 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 21349 : mSettings.getInternalVersion(); 21350 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 21351 : StorageManager.UUID_PRIVATE_INTERNAL; 21352 21353 int updateFlags = UPDATE_PERMISSIONS_ALL; 21354 if (ver.sdkVersion != mSdkVersion) { 21355 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21356 + mSdkVersion + "; regranting permissions for external"); 21357 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21358 } 21359 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21360 21361 // Yay, everything is now upgraded 21362 ver.forceCurrent(); 21363 21364 // can downgrade to reader 21365 // Persist settings 21366 mSettings.writeLPr(); 21367 } 21368 // Send a broadcast to let everyone know we are done processing 21369 if (pkgList.size() > 0) { 21370 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 21371 } 21372 } 21373 21374 /* 21375 * Utility method to unload a list of specified containers 21376 */ 21377 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 21378 // Just unmount all valid containers. 21379 for (AsecInstallArgs arg : cidArgs) { 21380 synchronized (mInstallLock) { 21381 arg.doPostDeleteLI(false); 21382 } 21383 } 21384 } 21385 21386 /* 21387 * Unload packages mounted on external media. This involves deleting package 21388 * data from internal structures, sending broadcasts about disabled packages, 21389 * gc'ing to free up references, unmounting all secure containers 21390 * corresponding to packages on external media, and posting a 21391 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 21392 * that we always have to post this message if status has been requested no 21393 * matter what. 21394 */ 21395 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 21396 final boolean reportStatus) { 21397 if (DEBUG_SD_INSTALL) 21398 Log.i(TAG, "unloading media packages"); 21399 ArrayList<String> pkgList = new ArrayList<String>(); 21400 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 21401 final Set<AsecInstallArgs> keys = processCids.keySet(); 21402 for (AsecInstallArgs args : keys) { 21403 String pkgName = args.getPackageName(); 21404 if (DEBUG_SD_INSTALL) 21405 Log.i(TAG, "Trying to unload pkg : " + pkgName); 21406 // Delete package internally 21407 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21408 synchronized (mInstallLock) { 21409 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21410 final boolean res; 21411 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 21412 "unloadMediaPackages")) { 21413 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 21414 null); 21415 } 21416 if (res) { 21417 pkgList.add(pkgName); 21418 } else { 21419 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 21420 failedList.add(args); 21421 } 21422 } 21423 } 21424 21425 // reader 21426 synchronized (mPackages) { 21427 // We didn't update the settings after removing each package; 21428 // write them now for all packages. 21429 mSettings.writeLPr(); 21430 } 21431 21432 // We have to absolutely send UPDATED_MEDIA_STATUS only 21433 // after confirming that all the receivers processed the ordered 21434 // broadcast when packages get disabled, force a gc to clean things up. 21435 // and unload all the containers. 21436 if (pkgList.size() > 0) { 21437 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 21438 new IIntentReceiver.Stub() { 21439 public void performReceive(Intent intent, int resultCode, String data, 21440 Bundle extras, boolean ordered, boolean sticky, 21441 int sendingUser) throws RemoteException { 21442 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 21443 reportStatus ? 1 : 0, 1, keys); 21444 mHandler.sendMessage(msg); 21445 } 21446 }); 21447 } else { 21448 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 21449 keys); 21450 mHandler.sendMessage(msg); 21451 } 21452 } 21453 21454 private void loadPrivatePackages(final VolumeInfo vol) { 21455 mHandler.post(new Runnable() { 21456 @Override 21457 public void run() { 21458 loadPrivatePackagesInner(vol); 21459 } 21460 }); 21461 } 21462 21463 private void loadPrivatePackagesInner(VolumeInfo vol) { 21464 final String volumeUuid = vol.fsUuid; 21465 if (TextUtils.isEmpty(volumeUuid)) { 21466 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 21467 return; 21468 } 21469 21470 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 21471 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 21472 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 21473 21474 final VersionInfo ver; 21475 final List<PackageSetting> packages; 21476 synchronized (mPackages) { 21477 ver = mSettings.findOrCreateVersion(volumeUuid); 21478 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21479 } 21480 21481 for (PackageSetting ps : packages) { 21482 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 21483 synchronized (mInstallLock) { 21484 final PackageParser.Package pkg; 21485 try { 21486 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 21487 loaded.add(pkg.applicationInfo); 21488 21489 } catch (PackageManagerException e) { 21490 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 21491 } 21492 21493 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 21494 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 21495 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 21496 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 21497 } 21498 } 21499 } 21500 21501 // Reconcile app data for all started/unlocked users 21502 final StorageManager sm = mContext.getSystemService(StorageManager.class); 21503 final UserManager um = mContext.getSystemService(UserManager.class); 21504 UserManagerInternal umInternal = getUserManagerInternal(); 21505 for (UserInfo user : um.getUsers()) { 21506 final int flags; 21507 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21508 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21509 } else if (umInternal.isUserRunning(user.id)) { 21510 flags = StorageManager.FLAG_STORAGE_DE; 21511 } else { 21512 continue; 21513 } 21514 21515 try { 21516 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 21517 synchronized (mInstallLock) { 21518 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 21519 } 21520 } catch (IllegalStateException e) { 21521 // Device was probably ejected, and we'll process that event momentarily 21522 Slog.w(TAG, "Failed to prepare storage: " + e); 21523 } 21524 } 21525 21526 synchronized (mPackages) { 21527 int updateFlags = UPDATE_PERMISSIONS_ALL; 21528 if (ver.sdkVersion != mSdkVersion) { 21529 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21530 + mSdkVersion + "; regranting permissions for " + volumeUuid); 21531 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21532 } 21533 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21534 21535 // Yay, everything is now upgraded 21536 ver.forceCurrent(); 21537 21538 mSettings.writeLPr(); 21539 } 21540 21541 for (PackageFreezer freezer : freezers) { 21542 freezer.close(); 21543 } 21544 21545 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 21546 sendResourcesChangedBroadcast(true, false, loaded, null); 21547 } 21548 21549 private void unloadPrivatePackages(final VolumeInfo vol) { 21550 mHandler.post(new Runnable() { 21551 @Override 21552 public void run() { 21553 unloadPrivatePackagesInner(vol); 21554 } 21555 }); 21556 } 21557 21558 private void unloadPrivatePackagesInner(VolumeInfo vol) { 21559 final String volumeUuid = vol.fsUuid; 21560 if (TextUtils.isEmpty(volumeUuid)) { 21561 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 21562 return; 21563 } 21564 21565 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 21566 synchronized (mInstallLock) { 21567 synchronized (mPackages) { 21568 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 21569 for (PackageSetting ps : packages) { 21570 if (ps.pkg == null) continue; 21571 21572 final ApplicationInfo info = ps.pkg.applicationInfo; 21573 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21574 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21575 21576 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 21577 "unloadPrivatePackagesInner")) { 21578 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 21579 false, null)) { 21580 unloaded.add(info); 21581 } else { 21582 Slog.w(TAG, "Failed to unload " + ps.codePath); 21583 } 21584 } 21585 21586 // Try very hard to release any references to this package 21587 // so we don't risk the system server being killed due to 21588 // open FDs 21589 AttributeCache.instance().removePackage(ps.name); 21590 } 21591 21592 mSettings.writeLPr(); 21593 } 21594 } 21595 21596 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 21597 sendResourcesChangedBroadcast(false, false, unloaded, null); 21598 21599 // Try very hard to release any references to this path so we don't risk 21600 // the system server being killed due to open FDs 21601 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 21602 21603 for (int i = 0; i < 3; i++) { 21604 System.gc(); 21605 System.runFinalization(); 21606 } 21607 } 21608 21609 private void assertPackageKnown(String volumeUuid, String packageName) 21610 throws PackageManagerException { 21611 synchronized (mPackages) { 21612 // Normalize package name to handle renamed packages 21613 packageName = normalizePackageNameLPr(packageName); 21614 21615 final PackageSetting ps = mSettings.mPackages.get(packageName); 21616 if (ps == null) { 21617 throw new PackageManagerException("Package " + packageName + " is unknown"); 21618 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21619 throw new PackageManagerException( 21620 "Package " + packageName + " found on unknown volume " + volumeUuid 21621 + "; expected volume " + ps.volumeUuid); 21622 } 21623 } 21624 } 21625 21626 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 21627 throws PackageManagerException { 21628 synchronized (mPackages) { 21629 // Normalize package name to handle renamed packages 21630 packageName = normalizePackageNameLPr(packageName); 21631 21632 final PackageSetting ps = mSettings.mPackages.get(packageName); 21633 if (ps == null) { 21634 throw new PackageManagerException("Package " + packageName + " is unknown"); 21635 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21636 throw new PackageManagerException( 21637 "Package " + packageName + " found on unknown volume " + volumeUuid 21638 + "; expected volume " + ps.volumeUuid); 21639 } else if (!ps.getInstalled(userId)) { 21640 throw new PackageManagerException( 21641 "Package " + packageName + " not installed for user " + userId); 21642 } 21643 } 21644 } 21645 21646 private List<String> collectAbsoluteCodePaths() { 21647 synchronized (mPackages) { 21648 List<String> codePaths = new ArrayList<>(); 21649 final int packageCount = mSettings.mPackages.size(); 21650 for (int i = 0; i < packageCount; i++) { 21651 final PackageSetting ps = mSettings.mPackages.valueAt(i); 21652 codePaths.add(ps.codePath.getAbsolutePath()); 21653 } 21654 return codePaths; 21655 } 21656 } 21657 21658 /** 21659 * Examine all apps present on given mounted volume, and destroy apps that 21660 * aren't expected, either due to uninstallation or reinstallation on 21661 * another volume. 21662 */ 21663 private void reconcileApps(String volumeUuid) { 21664 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 21665 List<File> filesToDelete = null; 21666 21667 final File[] files = FileUtils.listFilesOrEmpty( 21668 Environment.getDataAppDirectory(volumeUuid)); 21669 for (File file : files) { 21670 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 21671 && !PackageInstallerService.isStageName(file.getName()); 21672 if (!isPackage) { 21673 // Ignore entries which are not packages 21674 continue; 21675 } 21676 21677 String absolutePath = file.getAbsolutePath(); 21678 21679 boolean pathValid = false; 21680 final int absoluteCodePathCount = absoluteCodePaths.size(); 21681 for (int i = 0; i < absoluteCodePathCount; i++) { 21682 String absoluteCodePath = absoluteCodePaths.get(i); 21683 if (absolutePath.startsWith(absoluteCodePath)) { 21684 pathValid = true; 21685 break; 21686 } 21687 } 21688 21689 if (!pathValid) { 21690 if (filesToDelete == null) { 21691 filesToDelete = new ArrayList<>(); 21692 } 21693 filesToDelete.add(file); 21694 } 21695 } 21696 21697 if (filesToDelete != null) { 21698 final int fileToDeleteCount = filesToDelete.size(); 21699 for (int i = 0; i < fileToDeleteCount; i++) { 21700 File fileToDelete = filesToDelete.get(i); 21701 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 21702 synchronized (mInstallLock) { 21703 removeCodePathLI(fileToDelete); 21704 } 21705 } 21706 } 21707 } 21708 21709 /** 21710 * Reconcile all app data for the given user. 21711 * <p> 21712 * Verifies that directories exist and that ownership and labeling is 21713 * correct for all installed apps on all mounted volumes. 21714 */ 21715 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 21716 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21717 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 21718 final String volumeUuid = vol.getFsUuid(); 21719 synchronized (mInstallLock) { 21720 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 21721 } 21722 } 21723 } 21724 21725 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21726 boolean migrateAppData) { 21727 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppData, false /* onlyCoreApps */); 21728 } 21729 21730 /** 21731 * Reconcile all app data on given mounted volume. 21732 * <p> 21733 * Destroys app data that isn't expected, either due to uninstallation or 21734 * reinstallation on another volume. 21735 * <p> 21736 * Verifies that directories exist and that ownership and labeling is 21737 * correct for all installed apps. 21738 * @returns list of skipped non-core packages (if {@code onlyCoreApps} is true) 21739 */ 21740 private List<String> reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21741 boolean migrateAppData, boolean onlyCoreApps) { 21742 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 21743 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 21744 List<String> result = onlyCoreApps ? new ArrayList<>() : null; 21745 21746 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 21747 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 21748 21749 // First look for stale data that doesn't belong, and check if things 21750 // have changed since we did our last restorecon 21751 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21752 if (StorageManager.isFileEncryptedNativeOrEmulated() 21753 && !StorageManager.isUserKeyUnlocked(userId)) { 21754 throw new RuntimeException( 21755 "Yikes, someone asked us to reconcile CE storage while " + userId 21756 + " was still locked; this would have caused massive data loss!"); 21757 } 21758 21759 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 21760 for (File file : files) { 21761 final String packageName = file.getName(); 21762 try { 21763 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21764 } catch (PackageManagerException e) { 21765 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21766 try { 21767 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21768 StorageManager.FLAG_STORAGE_CE, 0); 21769 } catch (InstallerException e2) { 21770 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21771 } 21772 } 21773 } 21774 } 21775 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 21776 final File[] files = FileUtils.listFilesOrEmpty(deDir); 21777 for (File file : files) { 21778 final String packageName = file.getName(); 21779 try { 21780 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21781 } catch (PackageManagerException e) { 21782 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21783 try { 21784 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21785 StorageManager.FLAG_STORAGE_DE, 0); 21786 } catch (InstallerException e2) { 21787 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21788 } 21789 } 21790 } 21791 } 21792 21793 // Ensure that data directories are ready to roll for all packages 21794 // installed for this volume and user 21795 final List<PackageSetting> packages; 21796 synchronized (mPackages) { 21797 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21798 } 21799 int preparedCount = 0; 21800 for (PackageSetting ps : packages) { 21801 final String packageName = ps.name; 21802 if (ps.pkg == null) { 21803 Slog.w(TAG, "Odd, missing scanned package " + packageName); 21804 // TODO: might be due to legacy ASEC apps; we should circle back 21805 // and reconcile again once they're scanned 21806 continue; 21807 } 21808 // Skip non-core apps if requested 21809 if (onlyCoreApps && !ps.pkg.coreApp) { 21810 result.add(packageName); 21811 continue; 21812 } 21813 21814 if (ps.getInstalled(userId)) { 21815 prepareAppDataAndMigrateLIF(ps.pkg, userId, flags, migrateAppData); 21816 preparedCount++; 21817 } 21818 } 21819 21820 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 21821 return result; 21822 } 21823 21824 /** 21825 * Prepare app data for the given app just after it was installed or 21826 * upgraded. This method carefully only touches users that it's installed 21827 * for, and it forces a restorecon to handle any seinfo changes. 21828 * <p> 21829 * Verifies that directories exist and that ownership and labeling is 21830 * correct for all installed apps. If there is an ownership mismatch, it 21831 * will try recovering system apps by wiping data; third-party app data is 21832 * left intact. 21833 * <p> 21834 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 21835 */ 21836 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 21837 final PackageSetting ps; 21838 synchronized (mPackages) { 21839 ps = mSettings.mPackages.get(pkg.packageName); 21840 mSettings.writeKernelMappingLPr(ps); 21841 } 21842 21843 final UserManager um = mContext.getSystemService(UserManager.class); 21844 UserManagerInternal umInternal = getUserManagerInternal(); 21845 for (UserInfo user : um.getUsers()) { 21846 final int flags; 21847 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21848 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21849 } else if (umInternal.isUserRunning(user.id)) { 21850 flags = StorageManager.FLAG_STORAGE_DE; 21851 } else { 21852 continue; 21853 } 21854 21855 if (ps.getInstalled(user.id)) { 21856 // TODO: when user data is locked, mark that we're still dirty 21857 prepareAppDataLIF(pkg, user.id, flags); 21858 } 21859 } 21860 } 21861 21862 /** 21863 * Prepare app data for the given app. 21864 * <p> 21865 * Verifies that directories exist and that ownership and labeling is 21866 * correct for all installed apps. If there is an ownership mismatch, this 21867 * will try recovering system apps by wiping data; third-party app data is 21868 * left intact. 21869 */ 21870 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 21871 if (pkg == null) { 21872 Slog.wtf(TAG, "Package was null!", new Throwable()); 21873 return; 21874 } 21875 prepareAppDataLeafLIF(pkg, userId, flags); 21876 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21877 for (int i = 0; i < childCount; i++) { 21878 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 21879 } 21880 } 21881 21882 private void prepareAppDataAndMigrateLIF(PackageParser.Package pkg, int userId, int flags, 21883 boolean maybeMigrateAppData) { 21884 prepareAppDataLIF(pkg, userId, flags); 21885 21886 if (maybeMigrateAppData && maybeMigrateAppDataLIF(pkg, userId)) { 21887 // We may have just shuffled around app data directories, so 21888 // prepare them one more time 21889 prepareAppDataLIF(pkg, userId, flags); 21890 } 21891 } 21892 21893 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21894 if (DEBUG_APP_DATA) { 21895 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 21896 + Integer.toHexString(flags)); 21897 } 21898 21899 final String volumeUuid = pkg.volumeUuid; 21900 final String packageName = pkg.packageName; 21901 final ApplicationInfo app = pkg.applicationInfo; 21902 final int appId = UserHandle.getAppId(app.uid); 21903 21904 Preconditions.checkNotNull(app.seInfo); 21905 21906 long ceDataInode = -1; 21907 try { 21908 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21909 appId, app.seInfo, app.targetSdkVersion); 21910 } catch (InstallerException e) { 21911 if (app.isSystemApp()) { 21912 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 21913 + ", but trying to recover: " + e); 21914 destroyAppDataLeafLIF(pkg, userId, flags); 21915 try { 21916 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21917 appId, app.seInfo, app.targetSdkVersion); 21918 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 21919 } catch (InstallerException e2) { 21920 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 21921 } 21922 } else { 21923 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 21924 } 21925 } 21926 21927 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 21928 // TODO: mark this structure as dirty so we persist it! 21929 synchronized (mPackages) { 21930 final PackageSetting ps = mSettings.mPackages.get(packageName); 21931 if (ps != null) { 21932 ps.setCeDataInode(ceDataInode, userId); 21933 } 21934 } 21935 } 21936 21937 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21938 } 21939 21940 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 21941 if (pkg == null) { 21942 Slog.wtf(TAG, "Package was null!", new Throwable()); 21943 return; 21944 } 21945 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21946 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21947 for (int i = 0; i < childCount; i++) { 21948 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 21949 } 21950 } 21951 21952 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21953 final String volumeUuid = pkg.volumeUuid; 21954 final String packageName = pkg.packageName; 21955 final ApplicationInfo app = pkg.applicationInfo; 21956 21957 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21958 // Create a native library symlink only if we have native libraries 21959 // and if the native libraries are 32 bit libraries. We do not provide 21960 // this symlink for 64 bit libraries. 21961 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 21962 final String nativeLibPath = app.nativeLibraryDir; 21963 try { 21964 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 21965 nativeLibPath, userId); 21966 } catch (InstallerException e) { 21967 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 21968 } 21969 } 21970 } 21971 } 21972 21973 /** 21974 * For system apps on non-FBE devices, this method migrates any existing 21975 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 21976 * requested by the app. 21977 */ 21978 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 21979 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 21980 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 21981 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 21982 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 21983 try { 21984 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 21985 storageTarget); 21986 } catch (InstallerException e) { 21987 logCriticalInfo(Log.WARN, 21988 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 21989 } 21990 return true; 21991 } else { 21992 return false; 21993 } 21994 } 21995 21996 public PackageFreezer freezePackage(String packageName, String killReason) { 21997 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 21998 } 21999 22000 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 22001 return new PackageFreezer(packageName, userId, killReason); 22002 } 22003 22004 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 22005 String killReason) { 22006 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 22007 } 22008 22009 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 22010 String killReason) { 22011 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 22012 return new PackageFreezer(); 22013 } else { 22014 return freezePackage(packageName, userId, killReason); 22015 } 22016 } 22017 22018 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 22019 String killReason) { 22020 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 22021 } 22022 22023 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 22024 String killReason) { 22025 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 22026 return new PackageFreezer(); 22027 } else { 22028 return freezePackage(packageName, userId, killReason); 22029 } 22030 } 22031 22032 /** 22033 * Class that freezes and kills the given package upon creation, and 22034 * unfreezes it upon closing. This is typically used when doing surgery on 22035 * app code/data to prevent the app from running while you're working. 22036 */ 22037 private class PackageFreezer implements AutoCloseable { 22038 private final String mPackageName; 22039 private final PackageFreezer[] mChildren; 22040 22041 private final boolean mWeFroze; 22042 22043 private final AtomicBoolean mClosed = new AtomicBoolean(); 22044 private final CloseGuard mCloseGuard = CloseGuard.get(); 22045 22046 /** 22047 * Create and return a stub freezer that doesn't actually do anything, 22048 * typically used when someone requested 22049 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 22050 * {@link PackageManager#DELETE_DONT_KILL_APP}. 22051 */ 22052 public PackageFreezer() { 22053 mPackageName = null; 22054 mChildren = null; 22055 mWeFroze = false; 22056 mCloseGuard.open("close"); 22057 } 22058 22059 public PackageFreezer(String packageName, int userId, String killReason) { 22060 synchronized (mPackages) { 22061 mPackageName = packageName; 22062 mWeFroze = mFrozenPackages.add(mPackageName); 22063 22064 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 22065 if (ps != null) { 22066 killApplication(ps.name, ps.appId, userId, killReason); 22067 } 22068 22069 final PackageParser.Package p = mPackages.get(packageName); 22070 if (p != null && p.childPackages != null) { 22071 final int N = p.childPackages.size(); 22072 mChildren = new PackageFreezer[N]; 22073 for (int i = 0; i < N; i++) { 22074 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 22075 userId, killReason); 22076 } 22077 } else { 22078 mChildren = null; 22079 } 22080 } 22081 mCloseGuard.open("close"); 22082 } 22083 22084 @Override 22085 protected void finalize() throws Throwable { 22086 try { 22087 mCloseGuard.warnIfOpen(); 22088 close(); 22089 } finally { 22090 super.finalize(); 22091 } 22092 } 22093 22094 @Override 22095 public void close() { 22096 mCloseGuard.close(); 22097 if (mClosed.compareAndSet(false, true)) { 22098 synchronized (mPackages) { 22099 if (mWeFroze) { 22100 mFrozenPackages.remove(mPackageName); 22101 } 22102 22103 if (mChildren != null) { 22104 for (PackageFreezer freezer : mChildren) { 22105 freezer.close(); 22106 } 22107 } 22108 } 22109 } 22110 } 22111 } 22112 22113 /** 22114 * Verify that given package is currently frozen. 22115 */ 22116 private void checkPackageFrozen(String packageName) { 22117 synchronized (mPackages) { 22118 if (!mFrozenPackages.contains(packageName)) { 22119 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 22120 } 22121 } 22122 } 22123 22124 @Override 22125 public int movePackage(final String packageName, final String volumeUuid) { 22126 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22127 22128 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 22129 final int moveId = mNextMoveId.getAndIncrement(); 22130 mHandler.post(new Runnable() { 22131 @Override 22132 public void run() { 22133 try { 22134 movePackageInternal(packageName, volumeUuid, moveId, user); 22135 } catch (PackageManagerException e) { 22136 Slog.w(TAG, "Failed to move " + packageName, e); 22137 mMoveCallbacks.notifyStatusChanged(moveId, 22138 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22139 } 22140 } 22141 }); 22142 return moveId; 22143 } 22144 22145 private void movePackageInternal(final String packageName, final String volumeUuid, 22146 final int moveId, UserHandle user) throws PackageManagerException { 22147 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22148 final PackageManager pm = mContext.getPackageManager(); 22149 22150 final boolean currentAsec; 22151 final String currentVolumeUuid; 22152 final File codeFile; 22153 final String installerPackageName; 22154 final String packageAbiOverride; 22155 final int appId; 22156 final String seinfo; 22157 final String label; 22158 final int targetSdkVersion; 22159 final PackageFreezer freezer; 22160 final int[] installedUserIds; 22161 22162 // reader 22163 synchronized (mPackages) { 22164 final PackageParser.Package pkg = mPackages.get(packageName); 22165 final PackageSetting ps = mSettings.mPackages.get(packageName); 22166 if (pkg == null || ps == null) { 22167 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 22168 } 22169 22170 if (pkg.applicationInfo.isSystemApp()) { 22171 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 22172 "Cannot move system application"); 22173 } 22174 22175 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 22176 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 22177 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 22178 if (isInternalStorage && !allow3rdPartyOnInternal) { 22179 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 22180 "3rd party apps are not allowed on internal storage"); 22181 } 22182 22183 if (pkg.applicationInfo.isExternalAsec()) { 22184 currentAsec = true; 22185 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 22186 } else if (pkg.applicationInfo.isForwardLocked()) { 22187 currentAsec = true; 22188 currentVolumeUuid = "forward_locked"; 22189 } else { 22190 currentAsec = false; 22191 currentVolumeUuid = ps.volumeUuid; 22192 22193 final File probe = new File(pkg.codePath); 22194 final File probeOat = new File(probe, "oat"); 22195 if (!probe.isDirectory() || !probeOat.isDirectory()) { 22196 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22197 "Move only supported for modern cluster style installs"); 22198 } 22199 } 22200 22201 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 22202 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22203 "Package already moved to " + volumeUuid); 22204 } 22205 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 22206 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 22207 "Device admin cannot be moved"); 22208 } 22209 22210 if (mFrozenPackages.contains(packageName)) { 22211 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 22212 "Failed to move already frozen package"); 22213 } 22214 22215 codeFile = new File(pkg.codePath); 22216 installerPackageName = ps.installerPackageName; 22217 packageAbiOverride = ps.cpuAbiOverrideString; 22218 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 22219 seinfo = pkg.applicationInfo.seInfo; 22220 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 22221 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 22222 freezer = freezePackage(packageName, "movePackageInternal"); 22223 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 22224 } 22225 22226 final Bundle extras = new Bundle(); 22227 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 22228 extras.putString(Intent.EXTRA_TITLE, label); 22229 mMoveCallbacks.notifyCreated(moveId, extras); 22230 22231 int installFlags; 22232 final boolean moveCompleteApp; 22233 final File measurePath; 22234 22235 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 22236 installFlags = INSTALL_INTERNAL; 22237 moveCompleteApp = !currentAsec; 22238 measurePath = Environment.getDataAppDirectory(volumeUuid); 22239 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 22240 installFlags = INSTALL_EXTERNAL; 22241 moveCompleteApp = false; 22242 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 22243 } else { 22244 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 22245 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 22246 || !volume.isMountedWritable()) { 22247 freezer.close(); 22248 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22249 "Move location not mounted private volume"); 22250 } 22251 22252 Preconditions.checkState(!currentAsec); 22253 22254 installFlags = INSTALL_INTERNAL; 22255 moveCompleteApp = true; 22256 measurePath = Environment.getDataAppDirectory(volumeUuid); 22257 } 22258 22259 final PackageStats stats = new PackageStats(null, -1); 22260 synchronized (mInstaller) { 22261 for (int userId : installedUserIds) { 22262 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 22263 freezer.close(); 22264 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22265 "Failed to measure package size"); 22266 } 22267 } 22268 } 22269 22270 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 22271 + stats.dataSize); 22272 22273 final long startFreeBytes = measurePath.getFreeSpace(); 22274 final long sizeBytes; 22275 if (moveCompleteApp) { 22276 sizeBytes = stats.codeSize + stats.dataSize; 22277 } else { 22278 sizeBytes = stats.codeSize; 22279 } 22280 22281 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 22282 freezer.close(); 22283 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22284 "Not enough free space to move"); 22285 } 22286 22287 mMoveCallbacks.notifyStatusChanged(moveId, 10); 22288 22289 final CountDownLatch installedLatch = new CountDownLatch(1); 22290 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 22291 @Override 22292 public void onUserActionRequired(Intent intent) throws RemoteException { 22293 throw new IllegalStateException(); 22294 } 22295 22296 @Override 22297 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 22298 Bundle extras) throws RemoteException { 22299 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 22300 + PackageManager.installStatusToString(returnCode, msg)); 22301 22302 installedLatch.countDown(); 22303 freezer.close(); 22304 22305 final int status = PackageManager.installStatusToPublicStatus(returnCode); 22306 switch (status) { 22307 case PackageInstaller.STATUS_SUCCESS: 22308 mMoveCallbacks.notifyStatusChanged(moveId, 22309 PackageManager.MOVE_SUCCEEDED); 22310 break; 22311 case PackageInstaller.STATUS_FAILURE_STORAGE: 22312 mMoveCallbacks.notifyStatusChanged(moveId, 22313 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 22314 break; 22315 default: 22316 mMoveCallbacks.notifyStatusChanged(moveId, 22317 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22318 break; 22319 } 22320 } 22321 }; 22322 22323 final MoveInfo move; 22324 if (moveCompleteApp) { 22325 // Kick off a thread to report progress estimates 22326 new Thread() { 22327 @Override 22328 public void run() { 22329 while (true) { 22330 try { 22331 if (installedLatch.await(1, TimeUnit.SECONDS)) { 22332 break; 22333 } 22334 } catch (InterruptedException ignored) { 22335 } 22336 22337 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 22338 final int progress = 10 + (int) MathUtils.constrain( 22339 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 22340 mMoveCallbacks.notifyStatusChanged(moveId, progress); 22341 } 22342 } 22343 }.start(); 22344 22345 final String dataAppName = codeFile.getName(); 22346 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 22347 dataAppName, appId, seinfo, targetSdkVersion); 22348 } else { 22349 move = null; 22350 } 22351 22352 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 22353 22354 final Message msg = mHandler.obtainMessage(INIT_COPY); 22355 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 22356 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 22357 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 22358 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/, 22359 PackageManager.INSTALL_REASON_UNKNOWN); 22360 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 22361 msg.obj = params; 22362 22363 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 22364 System.identityHashCode(msg.obj)); 22365 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 22366 System.identityHashCode(msg.obj)); 22367 22368 mHandler.sendMessage(msg); 22369 } 22370 22371 @Override 22372 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 22373 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22374 22375 final int realMoveId = mNextMoveId.getAndIncrement(); 22376 final Bundle extras = new Bundle(); 22377 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 22378 mMoveCallbacks.notifyCreated(realMoveId, extras); 22379 22380 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 22381 @Override 22382 public void onCreated(int moveId, Bundle extras) { 22383 // Ignored 22384 } 22385 22386 @Override 22387 public void onStatusChanged(int moveId, int status, long estMillis) { 22388 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 22389 } 22390 }; 22391 22392 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22393 storage.setPrimaryStorageUuid(volumeUuid, callback); 22394 return realMoveId; 22395 } 22396 22397 @Override 22398 public int getMoveStatus(int moveId) { 22399 mContext.enforceCallingOrSelfPermission( 22400 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22401 return mMoveCallbacks.mLastStatus.get(moveId); 22402 } 22403 22404 @Override 22405 public void registerMoveCallback(IPackageMoveObserver callback) { 22406 mContext.enforceCallingOrSelfPermission( 22407 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22408 mMoveCallbacks.register(callback); 22409 } 22410 22411 @Override 22412 public void unregisterMoveCallback(IPackageMoveObserver callback) { 22413 mContext.enforceCallingOrSelfPermission( 22414 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22415 mMoveCallbacks.unregister(callback); 22416 } 22417 22418 @Override 22419 public boolean setInstallLocation(int loc) { 22420 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 22421 null); 22422 if (getInstallLocation() == loc) { 22423 return true; 22424 } 22425 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 22426 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 22427 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 22428 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 22429 return true; 22430 } 22431 return false; 22432 } 22433 22434 @Override 22435 public int getInstallLocation() { 22436 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 22437 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 22438 PackageHelper.APP_INSTALL_AUTO); 22439 } 22440 22441 /** Called by UserManagerService */ 22442 void cleanUpUser(UserManagerService userManager, int userHandle) { 22443 synchronized (mPackages) { 22444 mDirtyUsers.remove(userHandle); 22445 mUserNeedsBadging.delete(userHandle); 22446 mSettings.removeUserLPw(userHandle); 22447 mPendingBroadcasts.remove(userHandle); 22448 mInstantAppRegistry.onUserRemovedLPw(userHandle); 22449 removeUnusedPackagesLPw(userManager, userHandle); 22450 } 22451 } 22452 22453 /** 22454 * We're removing userHandle and would like to remove any downloaded packages 22455 * that are no longer in use by any other user. 22456 * @param userHandle the user being removed 22457 */ 22458 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 22459 final boolean DEBUG_CLEAN_APKS = false; 22460 int [] users = userManager.getUserIds(); 22461 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 22462 while (psit.hasNext()) { 22463 PackageSetting ps = psit.next(); 22464 if (ps.pkg == null) { 22465 continue; 22466 } 22467 final String packageName = ps.pkg.packageName; 22468 // Skip over if system app 22469 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 22470 continue; 22471 } 22472 if (DEBUG_CLEAN_APKS) { 22473 Slog.i(TAG, "Checking package " + packageName); 22474 } 22475 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 22476 if (keep) { 22477 if (DEBUG_CLEAN_APKS) { 22478 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 22479 } 22480 } else { 22481 for (int i = 0; i < users.length; i++) { 22482 if (users[i] != userHandle && ps.getInstalled(users[i])) { 22483 keep = true; 22484 if (DEBUG_CLEAN_APKS) { 22485 Slog.i(TAG, " Keeping package " + packageName + " for user " 22486 + users[i]); 22487 } 22488 break; 22489 } 22490 } 22491 } 22492 if (!keep) { 22493 if (DEBUG_CLEAN_APKS) { 22494 Slog.i(TAG, " Removing package " + packageName); 22495 } 22496 mHandler.post(new Runnable() { 22497 public void run() { 22498 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22499 userHandle, 0); 22500 } //end run 22501 }); 22502 } 22503 } 22504 } 22505 22506 /** Called by UserManagerService */ 22507 void createNewUser(int userId, String[] disallowedPackages) { 22508 synchronized (mInstallLock) { 22509 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 22510 } 22511 synchronized (mPackages) { 22512 scheduleWritePackageRestrictionsLocked(userId); 22513 scheduleWritePackageListLocked(userId); 22514 applyFactoryDefaultBrowserLPw(userId); 22515 primeDomainVerificationsLPw(userId); 22516 } 22517 } 22518 22519 void onNewUserCreated(final int userId) { 22520 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 22521 // If permission review for legacy apps is required, we represent 22522 // dagerous permissions for such apps as always granted runtime 22523 // permissions to keep per user flag state whether review is needed. 22524 // Hence, if a new user is added we have to propagate dangerous 22525 // permission grants for these legacy apps. 22526 if (mPermissionReviewRequired) { 22527 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 22528 | UPDATE_PERMISSIONS_REPLACE_ALL); 22529 } 22530 } 22531 22532 @Override 22533 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 22534 mContext.enforceCallingOrSelfPermission( 22535 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 22536 "Only package verification agents can read the verifier device identity"); 22537 22538 synchronized (mPackages) { 22539 return mSettings.getVerifierDeviceIdentityLPw(); 22540 } 22541 } 22542 22543 @Override 22544 public void setPermissionEnforced(String permission, boolean enforced) { 22545 // TODO: Now that we no longer change GID for storage, this should to away. 22546 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 22547 "setPermissionEnforced"); 22548 if (READ_EXTERNAL_STORAGE.equals(permission)) { 22549 synchronized (mPackages) { 22550 if (mSettings.mReadExternalStorageEnforced == null 22551 || mSettings.mReadExternalStorageEnforced != enforced) { 22552 mSettings.mReadExternalStorageEnforced = enforced; 22553 mSettings.writeLPr(); 22554 } 22555 } 22556 // kill any non-foreground processes so we restart them and 22557 // grant/revoke the GID. 22558 final IActivityManager am = ActivityManager.getService(); 22559 if (am != null) { 22560 final long token = Binder.clearCallingIdentity(); 22561 try { 22562 am.killProcessesBelowForeground("setPermissionEnforcement"); 22563 } catch (RemoteException e) { 22564 } finally { 22565 Binder.restoreCallingIdentity(token); 22566 } 22567 } 22568 } else { 22569 throw new IllegalArgumentException("No selective enforcement for " + permission); 22570 } 22571 } 22572 22573 @Override 22574 @Deprecated 22575 public boolean isPermissionEnforced(String permission) { 22576 return true; 22577 } 22578 22579 @Override 22580 public boolean isStorageLow() { 22581 final long token = Binder.clearCallingIdentity(); 22582 try { 22583 final DeviceStorageMonitorInternal 22584 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 22585 if (dsm != null) { 22586 return dsm.isMemoryLow(); 22587 } else { 22588 return false; 22589 } 22590 } finally { 22591 Binder.restoreCallingIdentity(token); 22592 } 22593 } 22594 22595 @Override 22596 public IPackageInstaller getPackageInstaller() { 22597 return mInstallerService; 22598 } 22599 22600 private boolean userNeedsBadging(int userId) { 22601 int index = mUserNeedsBadging.indexOfKey(userId); 22602 if (index < 0) { 22603 final UserInfo userInfo; 22604 final long token = Binder.clearCallingIdentity(); 22605 try { 22606 userInfo = sUserManager.getUserInfo(userId); 22607 } finally { 22608 Binder.restoreCallingIdentity(token); 22609 } 22610 final boolean b; 22611 if (userInfo != null && userInfo.isManagedProfile()) { 22612 b = true; 22613 } else { 22614 b = false; 22615 } 22616 mUserNeedsBadging.put(userId, b); 22617 return b; 22618 } 22619 return mUserNeedsBadging.valueAt(index); 22620 } 22621 22622 @Override 22623 public KeySet getKeySetByAlias(String packageName, String alias) { 22624 if (packageName == null || alias == null) { 22625 return null; 22626 } 22627 synchronized(mPackages) { 22628 final PackageParser.Package pkg = mPackages.get(packageName); 22629 if (pkg == null) { 22630 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22631 throw new IllegalArgumentException("Unknown package: " + packageName); 22632 } 22633 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22634 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 22635 } 22636 } 22637 22638 @Override 22639 public KeySet getSigningKeySet(String packageName) { 22640 if (packageName == null) { 22641 return null; 22642 } 22643 synchronized(mPackages) { 22644 final PackageParser.Package pkg = mPackages.get(packageName); 22645 if (pkg == null) { 22646 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22647 throw new IllegalArgumentException("Unknown package: " + packageName); 22648 } 22649 if (pkg.applicationInfo.uid != Binder.getCallingUid() 22650 && Process.SYSTEM_UID != Binder.getCallingUid()) { 22651 throw new SecurityException("May not access signing KeySet of other apps."); 22652 } 22653 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22654 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 22655 } 22656 } 22657 22658 @Override 22659 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 22660 if (packageName == null || ks == null) { 22661 return false; 22662 } 22663 synchronized(mPackages) { 22664 final PackageParser.Package pkg = mPackages.get(packageName); 22665 if (pkg == null) { 22666 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22667 throw new IllegalArgumentException("Unknown package: " + packageName); 22668 } 22669 IBinder ksh = ks.getToken(); 22670 if (ksh instanceof KeySetHandle) { 22671 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22672 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 22673 } 22674 return false; 22675 } 22676 } 22677 22678 @Override 22679 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 22680 if (packageName == null || ks == null) { 22681 return false; 22682 } 22683 synchronized(mPackages) { 22684 final PackageParser.Package pkg = mPackages.get(packageName); 22685 if (pkg == null) { 22686 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22687 throw new IllegalArgumentException("Unknown package: " + packageName); 22688 } 22689 IBinder ksh = ks.getToken(); 22690 if (ksh instanceof KeySetHandle) { 22691 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22692 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 22693 } 22694 return false; 22695 } 22696 } 22697 22698 private void deletePackageIfUnusedLPr(final String packageName) { 22699 PackageSetting ps = mSettings.mPackages.get(packageName); 22700 if (ps == null) { 22701 return; 22702 } 22703 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 22704 // TODO Implement atomic delete if package is unused 22705 // It is currently possible that the package will be deleted even if it is installed 22706 // after this method returns. 22707 mHandler.post(new Runnable() { 22708 public void run() { 22709 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22710 0, PackageManager.DELETE_ALL_USERS); 22711 } 22712 }); 22713 } 22714 } 22715 22716 /** 22717 * Check and throw if the given before/after packages would be considered a 22718 * downgrade. 22719 */ 22720 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 22721 throws PackageManagerException { 22722 if (after.versionCode < before.mVersionCode) { 22723 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22724 "Update version code " + after.versionCode + " is older than current " 22725 + before.mVersionCode); 22726 } else if (after.versionCode == before.mVersionCode) { 22727 if (after.baseRevisionCode < before.baseRevisionCode) { 22728 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22729 "Update base revision code " + after.baseRevisionCode 22730 + " is older than current " + before.baseRevisionCode); 22731 } 22732 22733 if (!ArrayUtils.isEmpty(after.splitNames)) { 22734 for (int i = 0; i < after.splitNames.length; i++) { 22735 final String splitName = after.splitNames[i]; 22736 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 22737 if (j != -1) { 22738 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 22739 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22740 "Update split " + splitName + " revision code " 22741 + after.splitRevisionCodes[i] + " is older than current " 22742 + before.splitRevisionCodes[j]); 22743 } 22744 } 22745 } 22746 } 22747 } 22748 } 22749 22750 private static class MoveCallbacks extends Handler { 22751 private static final int MSG_CREATED = 1; 22752 private static final int MSG_STATUS_CHANGED = 2; 22753 22754 private final RemoteCallbackList<IPackageMoveObserver> 22755 mCallbacks = new RemoteCallbackList<>(); 22756 22757 private final SparseIntArray mLastStatus = new SparseIntArray(); 22758 22759 public MoveCallbacks(Looper looper) { 22760 super(looper); 22761 } 22762 22763 public void register(IPackageMoveObserver callback) { 22764 mCallbacks.register(callback); 22765 } 22766 22767 public void unregister(IPackageMoveObserver callback) { 22768 mCallbacks.unregister(callback); 22769 } 22770 22771 @Override 22772 public void handleMessage(Message msg) { 22773 final SomeArgs args = (SomeArgs) msg.obj; 22774 final int n = mCallbacks.beginBroadcast(); 22775 for (int i = 0; i < n; i++) { 22776 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 22777 try { 22778 invokeCallback(callback, msg.what, args); 22779 } catch (RemoteException ignored) { 22780 } 22781 } 22782 mCallbacks.finishBroadcast(); 22783 args.recycle(); 22784 } 22785 22786 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 22787 throws RemoteException { 22788 switch (what) { 22789 case MSG_CREATED: { 22790 callback.onCreated(args.argi1, (Bundle) args.arg2); 22791 break; 22792 } 22793 case MSG_STATUS_CHANGED: { 22794 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 22795 break; 22796 } 22797 } 22798 } 22799 22800 private void notifyCreated(int moveId, Bundle extras) { 22801 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 22802 22803 final SomeArgs args = SomeArgs.obtain(); 22804 args.argi1 = moveId; 22805 args.arg2 = extras; 22806 obtainMessage(MSG_CREATED, args).sendToTarget(); 22807 } 22808 22809 private void notifyStatusChanged(int moveId, int status) { 22810 notifyStatusChanged(moveId, status, -1); 22811 } 22812 22813 private void notifyStatusChanged(int moveId, int status, long estMillis) { 22814 Slog.v(TAG, "Move " + moveId + " status " + status); 22815 22816 final SomeArgs args = SomeArgs.obtain(); 22817 args.argi1 = moveId; 22818 args.argi2 = status; 22819 args.arg3 = estMillis; 22820 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 22821 22822 synchronized (mLastStatus) { 22823 mLastStatus.put(moveId, status); 22824 } 22825 } 22826 } 22827 22828 private final static class OnPermissionChangeListeners extends Handler { 22829 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 22830 22831 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 22832 new RemoteCallbackList<>(); 22833 22834 public OnPermissionChangeListeners(Looper looper) { 22835 super(looper); 22836 } 22837 22838 @Override 22839 public void handleMessage(Message msg) { 22840 switch (msg.what) { 22841 case MSG_ON_PERMISSIONS_CHANGED: { 22842 final int uid = msg.arg1; 22843 handleOnPermissionsChanged(uid); 22844 } break; 22845 } 22846 } 22847 22848 public void addListenerLocked(IOnPermissionsChangeListener listener) { 22849 mPermissionListeners.register(listener); 22850 22851 } 22852 22853 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 22854 mPermissionListeners.unregister(listener); 22855 } 22856 22857 public void onPermissionsChanged(int uid) { 22858 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 22859 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 22860 } 22861 } 22862 22863 private void handleOnPermissionsChanged(int uid) { 22864 final int count = mPermissionListeners.beginBroadcast(); 22865 try { 22866 for (int i = 0; i < count; i++) { 22867 IOnPermissionsChangeListener callback = mPermissionListeners 22868 .getBroadcastItem(i); 22869 try { 22870 callback.onPermissionsChanged(uid); 22871 } catch (RemoteException e) { 22872 Log.e(TAG, "Permission listener is dead", e); 22873 } 22874 } 22875 } finally { 22876 mPermissionListeners.finishBroadcast(); 22877 } 22878 } 22879 } 22880 22881 private class PackageManagerInternalImpl extends PackageManagerInternal { 22882 @Override 22883 public void setLocationPackagesProvider(PackagesProvider provider) { 22884 synchronized (mPackages) { 22885 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 22886 } 22887 } 22888 22889 @Override 22890 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 22891 synchronized (mPackages) { 22892 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 22893 } 22894 } 22895 22896 @Override 22897 public void setSmsAppPackagesProvider(PackagesProvider provider) { 22898 synchronized (mPackages) { 22899 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 22900 } 22901 } 22902 22903 @Override 22904 public void setDialerAppPackagesProvider(PackagesProvider provider) { 22905 synchronized (mPackages) { 22906 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 22907 } 22908 } 22909 22910 @Override 22911 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 22912 synchronized (mPackages) { 22913 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 22914 } 22915 } 22916 22917 @Override 22918 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 22919 synchronized (mPackages) { 22920 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 22921 } 22922 } 22923 22924 @Override 22925 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 22926 synchronized (mPackages) { 22927 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 22928 packageName, userId); 22929 } 22930 } 22931 22932 @Override 22933 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 22934 synchronized (mPackages) { 22935 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 22936 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 22937 packageName, userId); 22938 } 22939 } 22940 22941 @Override 22942 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 22943 synchronized (mPackages) { 22944 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 22945 packageName, userId); 22946 } 22947 } 22948 22949 @Override 22950 public void setKeepUninstalledPackages(final List<String> packageList) { 22951 Preconditions.checkNotNull(packageList); 22952 List<String> removedFromList = null; 22953 synchronized (mPackages) { 22954 if (mKeepUninstalledPackages != null) { 22955 final int packagesCount = mKeepUninstalledPackages.size(); 22956 for (int i = 0; i < packagesCount; i++) { 22957 String oldPackage = mKeepUninstalledPackages.get(i); 22958 if (packageList != null && packageList.contains(oldPackage)) { 22959 continue; 22960 } 22961 if (removedFromList == null) { 22962 removedFromList = new ArrayList<>(); 22963 } 22964 removedFromList.add(oldPackage); 22965 } 22966 } 22967 mKeepUninstalledPackages = new ArrayList<>(packageList); 22968 if (removedFromList != null) { 22969 final int removedCount = removedFromList.size(); 22970 for (int i = 0; i < removedCount; i++) { 22971 deletePackageIfUnusedLPr(removedFromList.get(i)); 22972 } 22973 } 22974 } 22975 } 22976 22977 @Override 22978 public boolean isPermissionsReviewRequired(String packageName, int userId) { 22979 synchronized (mPackages) { 22980 // If we do not support permission review, done. 22981 if (!mPermissionReviewRequired) { 22982 return false; 22983 } 22984 22985 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 22986 if (packageSetting == null) { 22987 return false; 22988 } 22989 22990 // Permission review applies only to apps not supporting the new permission model. 22991 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 22992 return false; 22993 } 22994 22995 // Legacy apps have the permission and get user consent on launch. 22996 PermissionsState permissionsState = packageSetting.getPermissionsState(); 22997 return permissionsState.isPermissionReviewRequired(userId); 22998 } 22999 } 23000 23001 @Override 23002 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 23003 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 23004 } 23005 23006 @Override 23007 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 23008 int userId) { 23009 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 23010 } 23011 23012 @Override 23013 public void setDeviceAndProfileOwnerPackages( 23014 int deviceOwnerUserId, String deviceOwnerPackage, 23015 SparseArray<String> profileOwnerPackages) { 23016 mProtectedPackages.setDeviceAndProfileOwnerPackages( 23017 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 23018 } 23019 23020 @Override 23021 public boolean isPackageDataProtected(int userId, String packageName) { 23022 return mProtectedPackages.isPackageDataProtected(userId, packageName); 23023 } 23024 23025 @Override 23026 public boolean isPackageEphemeral(int userId, String packageName) { 23027 synchronized (mPackages) { 23028 final PackageSetting ps = mSettings.mPackages.get(packageName); 23029 return ps != null ? ps.getInstantApp(userId) : false; 23030 } 23031 } 23032 23033 @Override 23034 public boolean wasPackageEverLaunched(String packageName, int userId) { 23035 synchronized (mPackages) { 23036 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 23037 } 23038 } 23039 23040 @Override 23041 public void grantRuntimePermission(String packageName, String name, int userId, 23042 boolean overridePolicy) { 23043 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 23044 overridePolicy); 23045 } 23046 23047 @Override 23048 public void revokeRuntimePermission(String packageName, String name, int userId, 23049 boolean overridePolicy) { 23050 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 23051 overridePolicy); 23052 } 23053 23054 @Override 23055 public String getNameForUid(int uid) { 23056 return PackageManagerService.this.getNameForUid(uid); 23057 } 23058 23059 @Override 23060 public void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 23061 Intent origIntent, String resolvedType, String callingPackage, int userId) { 23062 PackageManagerService.this.requestInstantAppResolutionPhaseTwo( 23063 responseObj, origIntent, resolvedType, callingPackage, userId); 23064 } 23065 23066 @Override 23067 public void grantEphemeralAccess(int userId, Intent intent, 23068 int targetAppId, int ephemeralAppId) { 23069 synchronized (mPackages) { 23070 mInstantAppRegistry.grantInstantAccessLPw(userId, intent, 23071 targetAppId, ephemeralAppId); 23072 } 23073 } 23074 23075 @Override 23076 public void pruneInstantApps() { 23077 synchronized (mPackages) { 23078 mInstantAppRegistry.pruneInstantAppsLPw(); 23079 } 23080 } 23081 23082 @Override 23083 public String getSetupWizardPackageName() { 23084 return mSetupWizardPackage; 23085 } 23086 23087 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 23088 if (policy != null) { 23089 mExternalSourcesPolicy = policy; 23090 } 23091 } 23092 23093 @Override 23094 public boolean isPackagePersistent(String packageName) { 23095 synchronized (mPackages) { 23096 PackageParser.Package pkg = mPackages.get(packageName); 23097 return pkg != null 23098 ? ((pkg.applicationInfo.flags&(ApplicationInfo.FLAG_SYSTEM 23099 | ApplicationInfo.FLAG_PERSISTENT)) == 23100 (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_PERSISTENT)) 23101 : false; 23102 } 23103 } 23104 23105 @Override 23106 public List<PackageInfo> getOverlayPackages(int userId) { 23107 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 23108 synchronized (mPackages) { 23109 for (PackageParser.Package p : mPackages.values()) { 23110 if (p.mOverlayTarget != null) { 23111 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 23112 if (pkg != null) { 23113 overlayPackages.add(pkg); 23114 } 23115 } 23116 } 23117 } 23118 return overlayPackages; 23119 } 23120 23121 @Override 23122 public List<String> getTargetPackageNames(int userId) { 23123 List<String> targetPackages = new ArrayList<>(); 23124 synchronized (mPackages) { 23125 for (PackageParser.Package p : mPackages.values()) { 23126 if (p.mOverlayTarget == null) { 23127 targetPackages.add(p.packageName); 23128 } 23129 } 23130 } 23131 return targetPackages; 23132 } 23133 23134 @Override 23135 public boolean setEnabledOverlayPackages(int userId, @NonNull String targetPackageName, 23136 @Nullable List<String> overlayPackageNames) { 23137 synchronized (mPackages) { 23138 if (targetPackageName == null || mPackages.get(targetPackageName) == null) { 23139 Slog.e(TAG, "failed to find package " + targetPackageName); 23140 return false; 23141 } 23142 23143 ArrayList<String> paths = null; 23144 if (overlayPackageNames != null) { 23145 final int N = overlayPackageNames.size(); 23146 paths = new ArrayList<>(N); 23147 for (int i = 0; i < N; i++) { 23148 final String packageName = overlayPackageNames.get(i); 23149 final PackageParser.Package pkg = mPackages.get(packageName); 23150 if (pkg == null) { 23151 Slog.e(TAG, "failed to find package " + packageName); 23152 return false; 23153 } 23154 paths.add(pkg.baseCodePath); 23155 } 23156 } 23157 23158 ArrayMap<String, ArrayList<String>> userSpecificOverlays = 23159 mEnabledOverlayPaths.get(userId); 23160 if (userSpecificOverlays == null) { 23161 userSpecificOverlays = new ArrayMap<>(); 23162 mEnabledOverlayPaths.put(userId, userSpecificOverlays); 23163 } 23164 23165 if (paths != null && paths.size() > 0) { 23166 userSpecificOverlays.put(targetPackageName, paths); 23167 } else { 23168 userSpecificOverlays.remove(targetPackageName); 23169 } 23170 return true; 23171 } 23172 } 23173 23174 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 23175 int flags, int userId) { 23176 return resolveIntentInternal( 23177 intent, resolvedType, flags, userId, true /*includeInstantApp*/); 23178 } 23179 } 23180 23181 @Override 23182 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 23183 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 23184 synchronized (mPackages) { 23185 final long identity = Binder.clearCallingIdentity(); 23186 try { 23187 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 23188 packageNames, userId); 23189 } finally { 23190 Binder.restoreCallingIdentity(identity); 23191 } 23192 } 23193 } 23194 23195 @Override 23196 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 23197 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 23198 synchronized (mPackages) { 23199 final long identity = Binder.clearCallingIdentity(); 23200 try { 23201 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServicesLPr( 23202 packageNames, userId); 23203 } finally { 23204 Binder.restoreCallingIdentity(identity); 23205 } 23206 } 23207 } 23208 23209 private static void enforceSystemOrPhoneCaller(String tag) { 23210 int callingUid = Binder.getCallingUid(); 23211 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 23212 throw new SecurityException( 23213 "Cannot call " + tag + " from UID " + callingUid); 23214 } 23215 } 23216 23217 boolean isHistoricalPackageUsageAvailable() { 23218 return mPackageUsage.isHistoricalPackageUsageAvailable(); 23219 } 23220 23221 /** 23222 * Return a <b>copy</b> of the collection of packages known to the package manager. 23223 * @return A copy of the values of mPackages. 23224 */ 23225 Collection<PackageParser.Package> getPackages() { 23226 synchronized (mPackages) { 23227 return new ArrayList<>(mPackages.values()); 23228 } 23229 } 23230 23231 /** 23232 * Logs process start information (including base APK hash) to the security log. 23233 * @hide 23234 */ 23235 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 23236 String apkFile, int pid) { 23237 if (!SecurityLog.isLoggingEnabled()) { 23238 return; 23239 } 23240 Bundle data = new Bundle(); 23241 data.putLong("startTimestamp", System.currentTimeMillis()); 23242 data.putString("processName", processName); 23243 data.putInt("uid", uid); 23244 data.putString("seinfo", seinfo); 23245 data.putString("apkFile", apkFile); 23246 data.putInt("pid", pid); 23247 Message msg = mProcessLoggingHandler.obtainMessage( 23248 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 23249 msg.setData(data); 23250 mProcessLoggingHandler.sendMessage(msg); 23251 } 23252 23253 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 23254 return mCompilerStats.getPackageStats(pkgName); 23255 } 23256 23257 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 23258 return getOrCreateCompilerPackageStats(pkg.packageName); 23259 } 23260 23261 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 23262 return mCompilerStats.getOrCreatePackageStats(pkgName); 23263 } 23264 23265 public void deleteCompilerPackageStats(String pkgName) { 23266 mCompilerStats.deletePackageStats(pkgName); 23267 } 23268 23269 @Override 23270 public int getInstallReason(String packageName, int userId) { 23271 enforceCrossUserPermission(Binder.getCallingUid(), userId, 23272 true /* requireFullPermission */, false /* checkShell */, 23273 "get install reason"); 23274 synchronized (mPackages) { 23275 final PackageSetting ps = mSettings.mPackages.get(packageName); 23276 if (ps != null) { 23277 return ps.getInstallReason(userId); 23278 } 23279 } 23280 return PackageManager.INSTALL_REASON_UNKNOWN; 23281 } 23282 23283 @Override 23284 public boolean canRequestPackageInstalls(String packageName, int userId) { 23285 int callingUid = Binder.getCallingUid(); 23286 int uid = getPackageUid(packageName, 0, userId); 23287 if (callingUid != uid && callingUid != Process.ROOT_UID 23288 && callingUid != Process.SYSTEM_UID) { 23289 throw new SecurityException( 23290 "Caller uid " + callingUid + " does not own package " + packageName); 23291 } 23292 ApplicationInfo info = getApplicationInfo(packageName, 0, userId); 23293 if (info == null) { 23294 return false; 23295 } 23296 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 23297 throw new UnsupportedOperationException( 23298 "Operation only supported on apps targeting Android O or higher"); 23299 } 23300 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 23301 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 23302 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 23303 throw new SecurityException("Need to declare " + appOpPermission + " to call this api"); 23304 } 23305 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 23306 return false; 23307 } 23308 if (mExternalSourcesPolicy != null) { 23309 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 23310 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 23311 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 23312 } 23313 } 23314 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 23315 } 23316} 23317