PackageManagerService.java revision 0c1651f2899ae3d13db005315ed3709f56ab3db3
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_FORCED_DEXOPT = 5; 541 542 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 543 544 /** All dangerous permission names in the same order as the events in MetricsEvent */ 545 private static final List<String> ALL_DANGEROUS_PERMISSIONS = Arrays.asList( 546 Manifest.permission.READ_CALENDAR, 547 Manifest.permission.WRITE_CALENDAR, 548 Manifest.permission.CAMERA, 549 Manifest.permission.READ_CONTACTS, 550 Manifest.permission.WRITE_CONTACTS, 551 Manifest.permission.GET_ACCOUNTS, 552 Manifest.permission.ACCESS_FINE_LOCATION, 553 Manifest.permission.ACCESS_COARSE_LOCATION, 554 Manifest.permission.RECORD_AUDIO, 555 Manifest.permission.READ_PHONE_STATE, 556 Manifest.permission.CALL_PHONE, 557 Manifest.permission.READ_CALL_LOG, 558 Manifest.permission.WRITE_CALL_LOG, 559 Manifest.permission.ADD_VOICEMAIL, 560 Manifest.permission.USE_SIP, 561 Manifest.permission.PROCESS_OUTGOING_CALLS, 562 Manifest.permission.READ_CELL_BROADCASTS, 563 Manifest.permission.BODY_SENSORS, 564 Manifest.permission.SEND_SMS, 565 Manifest.permission.RECEIVE_SMS, 566 Manifest.permission.READ_SMS, 567 Manifest.permission.RECEIVE_WAP_PUSH, 568 Manifest.permission.RECEIVE_MMS, 569 Manifest.permission.READ_EXTERNAL_STORAGE, 570 Manifest.permission.WRITE_EXTERNAL_STORAGE, 571 Manifest.permission.READ_PHONE_NUMBERS, 572 Manifest.permission.ANSWER_PHONE_CALLS); 573 574 575 /** 576 * Version number for the package parser cache. Increment this whenever the format or 577 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 578 */ 579 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 580 581 /** 582 * Whether the package parser cache is enabled. 583 */ 584 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 585 586 final ServiceThread mHandlerThread; 587 588 final PackageHandler mHandler; 589 590 private final ProcessLoggingHandler mProcessLoggingHandler; 591 592 /** 593 * Messages for {@link #mHandler} that need to wait for system ready before 594 * being dispatched. 595 */ 596 private ArrayList<Message> mPostSystemReadyMessages; 597 598 final int mSdkVersion = Build.VERSION.SDK_INT; 599 600 final Context mContext; 601 final boolean mFactoryTest; 602 final boolean mOnlyCore; 603 final DisplayMetrics mMetrics; 604 final int mDefParseFlags; 605 final String[] mSeparateProcesses; 606 final boolean mIsUpgrade; 607 final boolean mIsPreNUpgrade; 608 final boolean mIsPreNMR1Upgrade; 609 610 @GuardedBy("mPackages") 611 private boolean mDexOptDialogShown; 612 613 /** The location for ASEC container files on internal storage. */ 614 final String mAsecInternalPath; 615 616 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 617 // LOCK HELD. Can be called with mInstallLock held. 618 @GuardedBy("mInstallLock") 619 final Installer mInstaller; 620 621 /** Directory where installed third-party apps stored */ 622 final File mAppInstallDir; 623 624 /** 625 * Directory to which applications installed internally have their 626 * 32 bit native libraries copied. 627 */ 628 private File mAppLib32InstallDir; 629 630 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 631 // apps. 632 final File mDrmAppPrivateInstallDir; 633 634 // ---------------------------------------------------------------- 635 636 // Lock for state used when installing and doing other long running 637 // operations. Methods that must be called with this lock held have 638 // the suffix "LI". 639 final Object mInstallLock = new Object(); 640 641 // ---------------------------------------------------------------- 642 643 // Keys are String (package name), values are Package. This also serves 644 // as the lock for the global state. Methods that must be called with 645 // this lock held have the prefix "LP". 646 @GuardedBy("mPackages") 647 final ArrayMap<String, PackageParser.Package> mPackages = 648 new ArrayMap<String, PackageParser.Package>(); 649 650 final ArrayMap<String, Set<String>> mKnownCodebase = 651 new ArrayMap<String, Set<String>>(); 652 653 // Keys are isolated uids and values are the uid of the application 654 // that created the isolated proccess. 655 @GuardedBy("mPackages") 656 final SparseIntArray mIsolatedOwners = new SparseIntArray(); 657 658 // List of APK paths to load for each user and package. This data is never 659 // persisted by the package manager. Instead, the overlay manager will 660 // ensure the data is up-to-date in runtime. 661 @GuardedBy("mPackages") 662 final SparseArray<ArrayMap<String, ArrayList<String>>> mEnabledOverlayPaths = 663 new SparseArray<ArrayMap<String, ArrayList<String>>>(); 664 665 /** 666 * Tracks new system packages [received in an OTA] that we expect to 667 * find updated user-installed versions. Keys are package name, values 668 * are package location. 669 */ 670 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 671 /** 672 * Tracks high priority intent filters for protected actions. During boot, certain 673 * filter actions are protected and should never be allowed to have a high priority 674 * intent filter for them. However, there is one, and only one exception -- the 675 * setup wizard. It must be able to define a high priority intent filter for these 676 * actions to ensure there are no escapes from the wizard. We need to delay processing 677 * of these during boot as we need to look at all of the system packages in order 678 * to know which component is the setup wizard. 679 */ 680 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 681 /** 682 * Whether or not processing protected filters should be deferred. 683 */ 684 private boolean mDeferProtectedFilters = true; 685 686 /** 687 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 688 */ 689 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 690 /** 691 * Whether or not system app permissions should be promoted from install to runtime. 692 */ 693 boolean mPromoteSystemApps; 694 695 @GuardedBy("mPackages") 696 final Settings mSettings; 697 698 /** 699 * Set of package names that are currently "frozen", which means active 700 * surgery is being done on the code/data for that package. The platform 701 * will refuse to launch frozen packages to avoid race conditions. 702 * 703 * @see PackageFreezer 704 */ 705 @GuardedBy("mPackages") 706 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 707 708 final ProtectedPackages mProtectedPackages; 709 710 boolean mFirstBoot; 711 712 PackageManagerInternal.ExternalSourcesPolicy mExternalSourcesPolicy; 713 714 // System configuration read by SystemConfig. 715 final int[] mGlobalGids; 716 final SparseArray<ArraySet<String>> mSystemPermissions; 717 @GuardedBy("mAvailableFeatures") 718 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 719 720 // If mac_permissions.xml was found for seinfo labeling. 721 boolean mFoundPolicyFile; 722 723 private final InstantAppRegistry mInstantAppRegistry; 724 725 @GuardedBy("mPackages") 726 int mChangedPackagesSequenceNumber; 727 /** 728 * List of changed [installed, removed or updated] packages. 729 * mapping from user id -> sequence number -> package name 730 */ 731 @GuardedBy("mPackages") 732 final SparseArray<SparseArray<String>> mChangedPackages = new SparseArray<>(); 733 /** 734 * The sequence number of the last change to a package. 735 * mapping from user id -> package name -> sequence number 736 */ 737 @GuardedBy("mPackages") 738 final SparseArray<Map<String, Integer>> mChangedPackagesSequenceNumbers = new SparseArray<>(); 739 740 final PackageParser.Callback mPackageParserCallback = new PackageParser.Callback() { 741 @Override public boolean hasFeature(String feature) { 742 return PackageManagerService.this.hasSystemFeature(feature, 0); 743 } 744 }; 745 746 public static final class SharedLibraryEntry { 747 public final String path; 748 public final String apk; 749 public final SharedLibraryInfo info; 750 751 SharedLibraryEntry(String _path, String _apk, String name, int version, int type, 752 String declaringPackageName, int declaringPackageVersionCode) { 753 path = _path; 754 apk = _apk; 755 info = new SharedLibraryInfo(name, version, type, new VersionedPackage( 756 declaringPackageName, declaringPackageVersionCode), null); 757 } 758 } 759 760 // Currently known shared libraries. 761 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mSharedLibraries = new ArrayMap<>(); 762 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mStaticLibsByDeclaringPackage = 763 new ArrayMap<>(); 764 765 // All available activities, for your resolving pleasure. 766 final ActivityIntentResolver mActivities = 767 new ActivityIntentResolver(); 768 769 // All available receivers, for your resolving pleasure. 770 final ActivityIntentResolver mReceivers = 771 new ActivityIntentResolver(); 772 773 // All available services, for your resolving pleasure. 774 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 775 776 // All available providers, for your resolving pleasure. 777 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 778 779 // Mapping from provider base names (first directory in content URI codePath) 780 // to the provider information. 781 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 782 new ArrayMap<String, PackageParser.Provider>(); 783 784 // Mapping from instrumentation class names to info about them. 785 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 786 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 787 788 // Mapping from permission names to info about them. 789 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 790 new ArrayMap<String, PackageParser.PermissionGroup>(); 791 792 // Packages whose data we have transfered into another package, thus 793 // should no longer exist. 794 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 795 796 // Broadcast actions that are only available to the system. 797 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 798 799 /** List of packages waiting for verification. */ 800 final SparseArray<PackageVerificationState> mPendingVerification 801 = new SparseArray<PackageVerificationState>(); 802 803 /** Set of packages associated with each app op permission. */ 804 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 805 806 final PackageInstallerService mInstallerService; 807 808 private final PackageDexOptimizer mPackageDexOptimizer; 809 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 810 // is used by other apps). 811 private final DexManager mDexManager; 812 813 private AtomicInteger mNextMoveId = new AtomicInteger(); 814 private final MoveCallbacks mMoveCallbacks; 815 816 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 817 818 // Cache of users who need badging. 819 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 820 821 /** Token for keys in mPendingVerification. */ 822 private int mPendingVerificationToken = 0; 823 824 volatile boolean mSystemReady; 825 volatile boolean mSafeMode; 826 volatile boolean mHasSystemUidErrors; 827 828 ApplicationInfo mAndroidApplication; 829 final ActivityInfo mResolveActivity = new ActivityInfo(); 830 final ResolveInfo mResolveInfo = new ResolveInfo(); 831 ComponentName mResolveComponentName; 832 PackageParser.Package mPlatformPackage; 833 ComponentName mCustomResolverComponentName; 834 835 boolean mResolverReplaced = false; 836 837 private final @Nullable ComponentName mIntentFilterVerifierComponent; 838 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 839 840 private int mIntentFilterVerificationToken = 0; 841 842 /** The service connection to the ephemeral resolver */ 843 final EphemeralResolverConnection mInstantAppResolverConnection; 844 845 /** Component used to install ephemeral applications */ 846 ComponentName mInstantAppInstallerComponent; 847 /** Component used to show resolver settings for Instant Apps */ 848 ComponentName mInstantAppResolverSettingsComponent; 849 ActivityInfo mInstantAppInstallerActivity; 850 final ResolveInfo mInstantAppInstallerInfo = new ResolveInfo(); 851 852 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 853 = new SparseArray<IntentFilterVerificationState>(); 854 855 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 856 857 // List of packages names to keep cached, even if they are uninstalled for all users 858 private List<String> mKeepUninstalledPackages; 859 860 private UserManagerInternal mUserManagerInternal; 861 862 private DeviceIdleController.LocalService mDeviceIdleController; 863 864 private File mCacheDir; 865 866 private ArraySet<String> mPrivappPermissionsViolations; 867 868 private Future<?> mPrepareAppDataFuture; 869 870 private static class IFVerificationParams { 871 PackageParser.Package pkg; 872 boolean replacing; 873 int userId; 874 int verifierUid; 875 876 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 877 int _userId, int _verifierUid) { 878 pkg = _pkg; 879 replacing = _replacing; 880 userId = _userId; 881 replacing = _replacing; 882 verifierUid = _verifierUid; 883 } 884 } 885 886 private interface IntentFilterVerifier<T extends IntentFilter> { 887 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 888 T filter, String packageName); 889 void startVerifications(int userId); 890 void receiveVerificationResponse(int verificationId); 891 } 892 893 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 894 private Context mContext; 895 private ComponentName mIntentFilterVerifierComponent; 896 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 897 898 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 899 mContext = context; 900 mIntentFilterVerifierComponent = verifierComponent; 901 } 902 903 private String getDefaultScheme() { 904 return IntentFilter.SCHEME_HTTPS; 905 } 906 907 @Override 908 public void startVerifications(int userId) { 909 // Launch verifications requests 910 int count = mCurrentIntentFilterVerifications.size(); 911 for (int n=0; n<count; n++) { 912 int verificationId = mCurrentIntentFilterVerifications.get(n); 913 final IntentFilterVerificationState ivs = 914 mIntentFilterVerificationStates.get(verificationId); 915 916 String packageName = ivs.getPackageName(); 917 918 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 919 final int filterCount = filters.size(); 920 ArraySet<String> domainsSet = new ArraySet<>(); 921 for (int m=0; m<filterCount; m++) { 922 PackageParser.ActivityIntentInfo filter = filters.get(m); 923 domainsSet.addAll(filter.getHostsList()); 924 } 925 synchronized (mPackages) { 926 if (mSettings.createIntentFilterVerificationIfNeededLPw( 927 packageName, domainsSet) != null) { 928 scheduleWriteSettingsLocked(); 929 } 930 } 931 sendVerificationRequest(userId, verificationId, ivs); 932 } 933 mCurrentIntentFilterVerifications.clear(); 934 } 935 936 private void sendVerificationRequest(int userId, int verificationId, 937 IntentFilterVerificationState ivs) { 938 939 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 940 verificationIntent.putExtra( 941 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 942 verificationId); 943 verificationIntent.putExtra( 944 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 945 getDefaultScheme()); 946 verificationIntent.putExtra( 947 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 948 ivs.getHostsString()); 949 verificationIntent.putExtra( 950 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 951 ivs.getPackageName()); 952 verificationIntent.setComponent(mIntentFilterVerifierComponent); 953 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 954 955 UserHandle user = new UserHandle(userId); 956 mContext.sendBroadcastAsUser(verificationIntent, user); 957 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 958 "Sending IntentFilter verification broadcast"); 959 } 960 961 public void receiveVerificationResponse(int verificationId) { 962 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 963 964 final boolean verified = ivs.isVerified(); 965 966 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 967 final int count = filters.size(); 968 if (DEBUG_DOMAIN_VERIFICATION) { 969 Slog.i(TAG, "Received verification response " + verificationId 970 + " for " + count + " filters, verified=" + verified); 971 } 972 for (int n=0; n<count; n++) { 973 PackageParser.ActivityIntentInfo filter = filters.get(n); 974 filter.setVerified(verified); 975 976 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 977 + " verified with result:" + verified + " and hosts:" 978 + ivs.getHostsString()); 979 } 980 981 mIntentFilterVerificationStates.remove(verificationId); 982 983 final String packageName = ivs.getPackageName(); 984 IntentFilterVerificationInfo ivi = null; 985 986 synchronized (mPackages) { 987 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 988 } 989 if (ivi == null) { 990 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 991 + verificationId + " packageName:" + packageName); 992 return; 993 } 994 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 995 "Updating IntentFilterVerificationInfo for package " + packageName 996 +" verificationId:" + verificationId); 997 998 synchronized (mPackages) { 999 if (verified) { 1000 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 1001 } else { 1002 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 1003 } 1004 scheduleWriteSettingsLocked(); 1005 1006 final int userId = ivs.getUserId(); 1007 if (userId != UserHandle.USER_ALL) { 1008 final int userStatus = 1009 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 1010 1011 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 1012 boolean needUpdate = false; 1013 1014 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 1015 // already been set by the User thru the Disambiguation dialog 1016 switch (userStatus) { 1017 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 1018 if (verified) { 1019 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1020 } else { 1021 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 1022 } 1023 needUpdate = true; 1024 break; 1025 1026 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 1027 if (verified) { 1028 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1029 needUpdate = true; 1030 } 1031 break; 1032 1033 default: 1034 // Nothing to do 1035 } 1036 1037 if (needUpdate) { 1038 mSettings.updateIntentFilterVerificationStatusLPw( 1039 packageName, updatedStatus, userId); 1040 scheduleWritePackageRestrictionsLocked(userId); 1041 } 1042 } 1043 } 1044 } 1045 1046 @Override 1047 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 1048 ActivityIntentInfo filter, String packageName) { 1049 if (!hasValidDomains(filter)) { 1050 return false; 1051 } 1052 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1053 if (ivs == null) { 1054 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1055 packageName); 1056 } 1057 if (DEBUG_DOMAIN_VERIFICATION) { 1058 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1059 } 1060 ivs.addFilter(filter); 1061 return true; 1062 } 1063 1064 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1065 int userId, int verificationId, String packageName) { 1066 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1067 verifierUid, userId, packageName); 1068 ivs.setPendingState(); 1069 synchronized (mPackages) { 1070 mIntentFilterVerificationStates.append(verificationId, ivs); 1071 mCurrentIntentFilterVerifications.add(verificationId); 1072 } 1073 return ivs; 1074 } 1075 } 1076 1077 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1078 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1079 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1080 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1081 } 1082 1083 // Set of pending broadcasts for aggregating enable/disable of components. 1084 static class PendingPackageBroadcasts { 1085 // for each user id, a map of <package name -> components within that package> 1086 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1087 1088 public PendingPackageBroadcasts() { 1089 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1090 } 1091 1092 public ArrayList<String> get(int userId, String packageName) { 1093 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1094 return packages.get(packageName); 1095 } 1096 1097 public void put(int userId, String packageName, ArrayList<String> components) { 1098 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1099 packages.put(packageName, components); 1100 } 1101 1102 public void remove(int userId, String packageName) { 1103 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1104 if (packages != null) { 1105 packages.remove(packageName); 1106 } 1107 } 1108 1109 public void remove(int userId) { 1110 mUidMap.remove(userId); 1111 } 1112 1113 public int userIdCount() { 1114 return mUidMap.size(); 1115 } 1116 1117 public int userIdAt(int n) { 1118 return mUidMap.keyAt(n); 1119 } 1120 1121 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1122 return mUidMap.get(userId); 1123 } 1124 1125 public int size() { 1126 // total number of pending broadcast entries across all userIds 1127 int num = 0; 1128 for (int i = 0; i< mUidMap.size(); i++) { 1129 num += mUidMap.valueAt(i).size(); 1130 } 1131 return num; 1132 } 1133 1134 public void clear() { 1135 mUidMap.clear(); 1136 } 1137 1138 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1139 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1140 if (map == null) { 1141 map = new ArrayMap<String, ArrayList<String>>(); 1142 mUidMap.put(userId, map); 1143 } 1144 return map; 1145 } 1146 } 1147 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1148 1149 // Service Connection to remote media container service to copy 1150 // package uri's from external media onto secure containers 1151 // or internal storage. 1152 private IMediaContainerService mContainerService = null; 1153 1154 static final int SEND_PENDING_BROADCAST = 1; 1155 static final int MCS_BOUND = 3; 1156 static final int END_COPY = 4; 1157 static final int INIT_COPY = 5; 1158 static final int MCS_UNBIND = 6; 1159 static final int START_CLEANING_PACKAGE = 7; 1160 static final int FIND_INSTALL_LOC = 8; 1161 static final int POST_INSTALL = 9; 1162 static final int MCS_RECONNECT = 10; 1163 static final int MCS_GIVE_UP = 11; 1164 static final int UPDATED_MEDIA_STATUS = 12; 1165 static final int WRITE_SETTINGS = 13; 1166 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1167 static final int PACKAGE_VERIFIED = 15; 1168 static final int CHECK_PENDING_VERIFICATION = 16; 1169 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1170 static final int INTENT_FILTER_VERIFIED = 18; 1171 static final int WRITE_PACKAGE_LIST = 19; 1172 static final int INSTANT_APP_RESOLUTION_PHASE_TWO = 20; 1173 1174 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1175 1176 // Delay time in millisecs 1177 static final int BROADCAST_DELAY = 10 * 1000; 1178 1179 static UserManagerService sUserManager; 1180 1181 // Stores a list of users whose package restrictions file needs to be updated 1182 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1183 1184 static final long DEFAULT_CONTAINER_WHITELIST_DURATION = 10 * 60 * 1000; 1185 final private DefaultContainerConnection mDefContainerConn = 1186 new DefaultContainerConnection(); 1187 class DefaultContainerConnection implements ServiceConnection { 1188 public void onServiceConnected(ComponentName name, IBinder service) { 1189 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1190 final IMediaContainerService imcs = IMediaContainerService.Stub 1191 .asInterface(Binder.allowBlocking(service)); 1192 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1193 } 1194 1195 public void onServiceDisconnected(ComponentName name) { 1196 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1197 } 1198 } 1199 1200 // Recordkeeping of restore-after-install operations that are currently in flight 1201 // between the Package Manager and the Backup Manager 1202 static class PostInstallData { 1203 public InstallArgs args; 1204 public PackageInstalledInfo res; 1205 1206 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1207 args = _a; 1208 res = _r; 1209 } 1210 } 1211 1212 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1213 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1214 1215 // XML tags for backup/restore of various bits of state 1216 private static final String TAG_PREFERRED_BACKUP = "pa"; 1217 private static final String TAG_DEFAULT_APPS = "da"; 1218 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1219 1220 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1221 private static final String TAG_ALL_GRANTS = "rt-grants"; 1222 private static final String TAG_GRANT = "grant"; 1223 private static final String ATTR_PACKAGE_NAME = "pkg"; 1224 1225 private static final String TAG_PERMISSION = "perm"; 1226 private static final String ATTR_PERMISSION_NAME = "name"; 1227 private static final String ATTR_IS_GRANTED = "g"; 1228 private static final String ATTR_USER_SET = "set"; 1229 private static final String ATTR_USER_FIXED = "fixed"; 1230 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1231 1232 // System/policy permission grants are not backed up 1233 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1234 FLAG_PERMISSION_POLICY_FIXED 1235 | FLAG_PERMISSION_SYSTEM_FIXED 1236 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1237 1238 // And we back up these user-adjusted states 1239 private static final int USER_RUNTIME_GRANT_MASK = 1240 FLAG_PERMISSION_USER_SET 1241 | FLAG_PERMISSION_USER_FIXED 1242 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1243 1244 final @Nullable String mRequiredVerifierPackage; 1245 final @NonNull String mRequiredInstallerPackage; 1246 final @NonNull String mRequiredUninstallerPackage; 1247 final @Nullable String mSetupWizardPackage; 1248 final @Nullable String mStorageManagerPackage; 1249 final @NonNull String mServicesSystemSharedLibraryPackageName; 1250 final @NonNull String mSharedSystemSharedLibraryPackageName; 1251 1252 final boolean mPermissionReviewRequired; 1253 1254 private final PackageUsage mPackageUsage = new PackageUsage(); 1255 private final CompilerStats mCompilerStats = new CompilerStats(); 1256 1257 class PackageHandler extends Handler { 1258 private boolean mBound = false; 1259 final ArrayList<HandlerParams> mPendingInstalls = 1260 new ArrayList<HandlerParams>(); 1261 1262 private boolean connectToService() { 1263 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1264 " DefaultContainerService"); 1265 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1266 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1267 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1268 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1269 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1270 mBound = true; 1271 return true; 1272 } 1273 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1274 return false; 1275 } 1276 1277 private void disconnectService() { 1278 mContainerService = null; 1279 mBound = false; 1280 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1281 mContext.unbindService(mDefContainerConn); 1282 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1283 } 1284 1285 PackageHandler(Looper looper) { 1286 super(looper); 1287 } 1288 1289 public void handleMessage(Message msg) { 1290 try { 1291 doHandleMessage(msg); 1292 } finally { 1293 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1294 } 1295 } 1296 1297 void doHandleMessage(Message msg) { 1298 switch (msg.what) { 1299 case INIT_COPY: { 1300 HandlerParams params = (HandlerParams) msg.obj; 1301 int idx = mPendingInstalls.size(); 1302 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1303 // If a bind was already initiated we dont really 1304 // need to do anything. The pending install 1305 // will be processed later on. 1306 if (!mBound) { 1307 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1308 System.identityHashCode(mHandler)); 1309 // If this is the only one pending we might 1310 // have to bind to the service again. 1311 if (!connectToService()) { 1312 Slog.e(TAG, "Failed to bind to media container service"); 1313 params.serviceError(); 1314 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1315 System.identityHashCode(mHandler)); 1316 if (params.traceMethod != null) { 1317 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1318 params.traceCookie); 1319 } 1320 return; 1321 } else { 1322 // Once we bind to the service, the first 1323 // pending request will be processed. 1324 mPendingInstalls.add(idx, params); 1325 } 1326 } else { 1327 mPendingInstalls.add(idx, params); 1328 // Already bound to the service. Just make 1329 // sure we trigger off processing the first request. 1330 if (idx == 0) { 1331 mHandler.sendEmptyMessage(MCS_BOUND); 1332 } 1333 } 1334 break; 1335 } 1336 case MCS_BOUND: { 1337 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1338 if (msg.obj != null) { 1339 mContainerService = (IMediaContainerService) msg.obj; 1340 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1341 System.identityHashCode(mHandler)); 1342 } 1343 if (mContainerService == null) { 1344 if (!mBound) { 1345 // Something seriously wrong since we are not bound and we are not 1346 // waiting for connection. Bail out. 1347 Slog.e(TAG, "Cannot bind to media container service"); 1348 for (HandlerParams params : mPendingInstalls) { 1349 // Indicate service bind error 1350 params.serviceError(); 1351 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1352 System.identityHashCode(params)); 1353 if (params.traceMethod != null) { 1354 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1355 params.traceMethod, params.traceCookie); 1356 } 1357 return; 1358 } 1359 mPendingInstalls.clear(); 1360 } else { 1361 Slog.w(TAG, "Waiting to connect to media container service"); 1362 } 1363 } else if (mPendingInstalls.size() > 0) { 1364 HandlerParams params = mPendingInstalls.get(0); 1365 if (params != null) { 1366 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1367 System.identityHashCode(params)); 1368 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1369 if (params.startCopy()) { 1370 // We are done... look for more work or to 1371 // go idle. 1372 if (DEBUG_SD_INSTALL) Log.i(TAG, 1373 "Checking for more work or unbind..."); 1374 // Delete pending install 1375 if (mPendingInstalls.size() > 0) { 1376 mPendingInstalls.remove(0); 1377 } 1378 if (mPendingInstalls.size() == 0) { 1379 if (mBound) { 1380 if (DEBUG_SD_INSTALL) Log.i(TAG, 1381 "Posting delayed MCS_UNBIND"); 1382 removeMessages(MCS_UNBIND); 1383 Message ubmsg = obtainMessage(MCS_UNBIND); 1384 // Unbind after a little delay, to avoid 1385 // continual thrashing. 1386 sendMessageDelayed(ubmsg, 10000); 1387 } 1388 } else { 1389 // There are more pending requests in queue. 1390 // Just post MCS_BOUND message to trigger processing 1391 // of next pending install. 1392 if (DEBUG_SD_INSTALL) Log.i(TAG, 1393 "Posting MCS_BOUND for next work"); 1394 mHandler.sendEmptyMessage(MCS_BOUND); 1395 } 1396 } 1397 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1398 } 1399 } else { 1400 // Should never happen ideally. 1401 Slog.w(TAG, "Empty queue"); 1402 } 1403 break; 1404 } 1405 case MCS_RECONNECT: { 1406 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1407 if (mPendingInstalls.size() > 0) { 1408 if (mBound) { 1409 disconnectService(); 1410 } 1411 if (!connectToService()) { 1412 Slog.e(TAG, "Failed to bind to media container service"); 1413 for (HandlerParams params : mPendingInstalls) { 1414 // Indicate service bind error 1415 params.serviceError(); 1416 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1417 System.identityHashCode(params)); 1418 } 1419 mPendingInstalls.clear(); 1420 } 1421 } 1422 break; 1423 } 1424 case MCS_UNBIND: { 1425 // If there is no actual work left, then time to unbind. 1426 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1427 1428 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1429 if (mBound) { 1430 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1431 1432 disconnectService(); 1433 } 1434 } else if (mPendingInstalls.size() > 0) { 1435 // There are more pending requests in queue. 1436 // Just post MCS_BOUND message to trigger processing 1437 // of next pending install. 1438 mHandler.sendEmptyMessage(MCS_BOUND); 1439 } 1440 1441 break; 1442 } 1443 case MCS_GIVE_UP: { 1444 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1445 HandlerParams params = mPendingInstalls.remove(0); 1446 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1447 System.identityHashCode(params)); 1448 break; 1449 } 1450 case SEND_PENDING_BROADCAST: { 1451 String packages[]; 1452 ArrayList<String> components[]; 1453 int size = 0; 1454 int uids[]; 1455 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1456 synchronized (mPackages) { 1457 if (mPendingBroadcasts == null) { 1458 return; 1459 } 1460 size = mPendingBroadcasts.size(); 1461 if (size <= 0) { 1462 // Nothing to be done. Just return 1463 return; 1464 } 1465 packages = new String[size]; 1466 components = new ArrayList[size]; 1467 uids = new int[size]; 1468 int i = 0; // filling out the above arrays 1469 1470 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1471 int packageUserId = mPendingBroadcasts.userIdAt(n); 1472 Iterator<Map.Entry<String, ArrayList<String>>> it 1473 = mPendingBroadcasts.packagesForUserId(packageUserId) 1474 .entrySet().iterator(); 1475 while (it.hasNext() && i < size) { 1476 Map.Entry<String, ArrayList<String>> ent = it.next(); 1477 packages[i] = ent.getKey(); 1478 components[i] = ent.getValue(); 1479 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1480 uids[i] = (ps != null) 1481 ? UserHandle.getUid(packageUserId, ps.appId) 1482 : -1; 1483 i++; 1484 } 1485 } 1486 size = i; 1487 mPendingBroadcasts.clear(); 1488 } 1489 // Send broadcasts 1490 for (int i = 0; i < size; i++) { 1491 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1492 } 1493 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1494 break; 1495 } 1496 case START_CLEANING_PACKAGE: { 1497 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1498 final String packageName = (String)msg.obj; 1499 final int userId = msg.arg1; 1500 final boolean andCode = msg.arg2 != 0; 1501 synchronized (mPackages) { 1502 if (userId == UserHandle.USER_ALL) { 1503 int[] users = sUserManager.getUserIds(); 1504 for (int user : users) { 1505 mSettings.addPackageToCleanLPw( 1506 new PackageCleanItem(user, packageName, andCode)); 1507 } 1508 } else { 1509 mSettings.addPackageToCleanLPw( 1510 new PackageCleanItem(userId, packageName, andCode)); 1511 } 1512 } 1513 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1514 startCleaningPackages(); 1515 } break; 1516 case POST_INSTALL: { 1517 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1518 1519 PostInstallData data = mRunningInstalls.get(msg.arg1); 1520 final boolean didRestore = (msg.arg2 != 0); 1521 mRunningInstalls.delete(msg.arg1); 1522 1523 if (data != null) { 1524 InstallArgs args = data.args; 1525 PackageInstalledInfo parentRes = data.res; 1526 1527 final boolean grantPermissions = (args.installFlags 1528 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1529 final boolean killApp = (args.installFlags 1530 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1531 final String[] grantedPermissions = args.installGrantPermissions; 1532 1533 // Handle the parent package 1534 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1535 grantedPermissions, didRestore, args.installerPackageName, 1536 args.observer); 1537 1538 // Handle the child packages 1539 final int childCount = (parentRes.addedChildPackages != null) 1540 ? parentRes.addedChildPackages.size() : 0; 1541 for (int i = 0; i < childCount; i++) { 1542 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1543 handlePackagePostInstall(childRes, grantPermissions, killApp, 1544 grantedPermissions, false, args.installerPackageName, 1545 args.observer); 1546 } 1547 1548 // Log tracing if needed 1549 if (args.traceMethod != null) { 1550 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1551 args.traceCookie); 1552 } 1553 } else { 1554 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1555 } 1556 1557 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1558 } break; 1559 case UPDATED_MEDIA_STATUS: { 1560 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1561 boolean reportStatus = msg.arg1 == 1; 1562 boolean doGc = msg.arg2 == 1; 1563 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1564 if (doGc) { 1565 // Force a gc to clear up stale containers. 1566 Runtime.getRuntime().gc(); 1567 } 1568 if (msg.obj != null) { 1569 @SuppressWarnings("unchecked") 1570 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1571 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1572 // Unload containers 1573 unloadAllContainers(args); 1574 } 1575 if (reportStatus) { 1576 try { 1577 if (DEBUG_SD_INSTALL) Log.i(TAG, 1578 "Invoking StorageManagerService call back"); 1579 PackageHelper.getStorageManager().finishMediaUpdate(); 1580 } catch (RemoteException e) { 1581 Log.e(TAG, "StorageManagerService not running?"); 1582 } 1583 } 1584 } break; 1585 case WRITE_SETTINGS: { 1586 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1587 synchronized (mPackages) { 1588 removeMessages(WRITE_SETTINGS); 1589 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1590 mSettings.writeLPr(); 1591 mDirtyUsers.clear(); 1592 } 1593 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1594 } break; 1595 case WRITE_PACKAGE_RESTRICTIONS: { 1596 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1597 synchronized (mPackages) { 1598 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1599 for (int userId : mDirtyUsers) { 1600 mSettings.writePackageRestrictionsLPr(userId); 1601 } 1602 mDirtyUsers.clear(); 1603 } 1604 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1605 } break; 1606 case WRITE_PACKAGE_LIST: { 1607 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1608 synchronized (mPackages) { 1609 removeMessages(WRITE_PACKAGE_LIST); 1610 mSettings.writePackageListLPr(msg.arg1); 1611 } 1612 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1613 } break; 1614 case CHECK_PENDING_VERIFICATION: { 1615 final int verificationId = msg.arg1; 1616 final PackageVerificationState state = mPendingVerification.get(verificationId); 1617 1618 if ((state != null) && !state.timeoutExtended()) { 1619 final InstallArgs args = state.getInstallArgs(); 1620 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1621 1622 Slog.i(TAG, "Verification timed out for " + originUri); 1623 mPendingVerification.remove(verificationId); 1624 1625 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1626 1627 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1628 Slog.i(TAG, "Continuing with installation of " + originUri); 1629 state.setVerifierResponse(Binder.getCallingUid(), 1630 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1631 broadcastPackageVerified(verificationId, originUri, 1632 PackageManager.VERIFICATION_ALLOW, 1633 state.getInstallArgs().getUser()); 1634 try { 1635 ret = args.copyApk(mContainerService, true); 1636 } catch (RemoteException e) { 1637 Slog.e(TAG, "Could not contact the ContainerService"); 1638 } 1639 } else { 1640 broadcastPackageVerified(verificationId, originUri, 1641 PackageManager.VERIFICATION_REJECT, 1642 state.getInstallArgs().getUser()); 1643 } 1644 1645 Trace.asyncTraceEnd( 1646 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1647 1648 processPendingInstall(args, ret); 1649 mHandler.sendEmptyMessage(MCS_UNBIND); 1650 } 1651 break; 1652 } 1653 case PACKAGE_VERIFIED: { 1654 final int verificationId = msg.arg1; 1655 1656 final PackageVerificationState state = mPendingVerification.get(verificationId); 1657 if (state == null) { 1658 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1659 break; 1660 } 1661 1662 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1663 1664 state.setVerifierResponse(response.callerUid, response.code); 1665 1666 if (state.isVerificationComplete()) { 1667 mPendingVerification.remove(verificationId); 1668 1669 final InstallArgs args = state.getInstallArgs(); 1670 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1671 1672 int ret; 1673 if (state.isInstallAllowed()) { 1674 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1675 broadcastPackageVerified(verificationId, originUri, 1676 response.code, state.getInstallArgs().getUser()); 1677 try { 1678 ret = args.copyApk(mContainerService, true); 1679 } catch (RemoteException e) { 1680 Slog.e(TAG, "Could not contact the ContainerService"); 1681 } 1682 } else { 1683 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1684 } 1685 1686 Trace.asyncTraceEnd( 1687 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1688 1689 processPendingInstall(args, ret); 1690 mHandler.sendEmptyMessage(MCS_UNBIND); 1691 } 1692 1693 break; 1694 } 1695 case START_INTENT_FILTER_VERIFICATIONS: { 1696 IFVerificationParams params = (IFVerificationParams) msg.obj; 1697 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1698 params.replacing, params.pkg); 1699 break; 1700 } 1701 case INTENT_FILTER_VERIFIED: { 1702 final int verificationId = msg.arg1; 1703 1704 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1705 verificationId); 1706 if (state == null) { 1707 Slog.w(TAG, "Invalid IntentFilter verification token " 1708 + verificationId + " received"); 1709 break; 1710 } 1711 1712 final int userId = state.getUserId(); 1713 1714 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1715 "Processing IntentFilter verification with token:" 1716 + verificationId + " and userId:" + userId); 1717 1718 final IntentFilterVerificationResponse response = 1719 (IntentFilterVerificationResponse) msg.obj; 1720 1721 state.setVerifierResponse(response.callerUid, response.code); 1722 1723 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1724 "IntentFilter verification with token:" + verificationId 1725 + " and userId:" + userId 1726 + " is settings verifier response with response code:" 1727 + response.code); 1728 1729 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1730 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1731 + response.getFailedDomainsString()); 1732 } 1733 1734 if (state.isVerificationComplete()) { 1735 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1736 } else { 1737 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1738 "IntentFilter verification with token:" + verificationId 1739 + " was not said to be complete"); 1740 } 1741 1742 break; 1743 } 1744 case INSTANT_APP_RESOLUTION_PHASE_TWO: { 1745 InstantAppResolver.doInstantAppResolutionPhaseTwo(mContext, 1746 mInstantAppResolverConnection, 1747 (InstantAppRequest) msg.obj, 1748 mInstantAppInstallerActivity, 1749 mHandler); 1750 } 1751 } 1752 } 1753 } 1754 1755 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1756 boolean killApp, String[] grantedPermissions, 1757 boolean launchedForRestore, String installerPackage, 1758 IPackageInstallObserver2 installObserver) { 1759 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1760 // Send the removed broadcasts 1761 if (res.removedInfo != null) { 1762 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1763 } 1764 1765 // Now that we successfully installed the package, grant runtime 1766 // permissions if requested before broadcasting the install. Also 1767 // for legacy apps in permission review mode we clear the permission 1768 // review flag which is used to emulate runtime permissions for 1769 // legacy apps. 1770 if (grantPermissions) { 1771 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1772 } 1773 1774 final boolean update = res.removedInfo != null 1775 && res.removedInfo.removedPackage != null; 1776 1777 // If this is the first time we have child packages for a disabled privileged 1778 // app that had no children, we grant requested runtime permissions to the new 1779 // children if the parent on the system image had them already granted. 1780 if (res.pkg.parentPackage != null) { 1781 synchronized (mPackages) { 1782 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1783 } 1784 } 1785 1786 synchronized (mPackages) { 1787 mInstantAppRegistry.onPackageInstalledLPw(res.pkg, res.newUsers); 1788 } 1789 1790 final String packageName = res.pkg.applicationInfo.packageName; 1791 1792 // Determine the set of users who are adding this package for 1793 // the first time vs. those who are seeing an update. 1794 int[] firstUsers = EMPTY_INT_ARRAY; 1795 int[] updateUsers = EMPTY_INT_ARRAY; 1796 final boolean allNewUsers = res.origUsers == null || res.origUsers.length == 0; 1797 final PackageSetting ps = (PackageSetting) res.pkg.mExtras; 1798 for (int newUser : res.newUsers) { 1799 if (ps.getInstantApp(newUser)) { 1800 continue; 1801 } 1802 if (allNewUsers) { 1803 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1804 continue; 1805 } 1806 boolean isNew = true; 1807 for (int origUser : res.origUsers) { 1808 if (origUser == newUser) { 1809 isNew = false; 1810 break; 1811 } 1812 } 1813 if (isNew) { 1814 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1815 } else { 1816 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1817 } 1818 } 1819 1820 // Send installed broadcasts if the package is not a static shared lib. 1821 if (res.pkg.staticSharedLibName == null) { 1822 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1823 1824 // Send added for users that see the package for the first time 1825 // sendPackageAddedForNewUsers also deals with system apps 1826 int appId = UserHandle.getAppId(res.uid); 1827 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 1828 sendPackageAddedForNewUsers(packageName, isSystem, appId, firstUsers); 1829 1830 // Send added for users that don't see the package for the first time 1831 Bundle extras = new Bundle(1); 1832 extras.putInt(Intent.EXTRA_UID, res.uid); 1833 if (update) { 1834 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1835 } 1836 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1837 extras, 0 /*flags*/, null /*targetPackage*/, 1838 null /*finishedReceiver*/, updateUsers); 1839 1840 // Send replaced for users that don't see the package for the first time 1841 if (update) { 1842 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1843 packageName, extras, 0 /*flags*/, 1844 null /*targetPackage*/, null /*finishedReceiver*/, 1845 updateUsers); 1846 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1847 null /*package*/, null /*extras*/, 0 /*flags*/, 1848 packageName /*targetPackage*/, 1849 null /*finishedReceiver*/, updateUsers); 1850 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1851 // First-install and we did a restore, so we're responsible for the 1852 // first-launch broadcast. 1853 if (DEBUG_BACKUP) { 1854 Slog.i(TAG, "Post-restore of " + packageName 1855 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1856 } 1857 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1858 } 1859 1860 // Send broadcast package appeared if forward locked/external for all users 1861 // treat asec-hosted packages like removable media on upgrade 1862 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1863 if (DEBUG_INSTALL) { 1864 Slog.i(TAG, "upgrading pkg " + res.pkg 1865 + " is ASEC-hosted -> AVAILABLE"); 1866 } 1867 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1868 ArrayList<String> pkgList = new ArrayList<>(1); 1869 pkgList.add(packageName); 1870 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1871 } 1872 } 1873 1874 // Work that needs to happen on first install within each user 1875 if (firstUsers != null && firstUsers.length > 0) { 1876 synchronized (mPackages) { 1877 for (int userId : firstUsers) { 1878 // If this app is a browser and it's newly-installed for some 1879 // users, clear any default-browser state in those users. The 1880 // app's nature doesn't depend on the user, so we can just check 1881 // its browser nature in any user and generalize. 1882 if (packageIsBrowser(packageName, userId)) { 1883 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1884 } 1885 1886 // We may also need to apply pending (restored) runtime 1887 // permission grants within these users. 1888 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1889 } 1890 } 1891 } 1892 1893 // Log current value of "unknown sources" setting 1894 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1895 getUnknownSourcesSettings()); 1896 1897 // Force a gc to clear up things 1898 Runtime.getRuntime().gc(); 1899 1900 // Remove the replaced package's older resources safely now 1901 // We delete after a gc for applications on sdcard. 1902 if (res.removedInfo != null && res.removedInfo.args != null) { 1903 synchronized (mInstallLock) { 1904 res.removedInfo.args.doPostDeleteLI(true); 1905 } 1906 } 1907 1908 // Notify DexManager that the package was installed for new users. 1909 // The updated users should already be indexed and the package code paths 1910 // should not change. 1911 // Don't notify the manager for ephemeral apps as they are not expected to 1912 // survive long enough to benefit of background optimizations. 1913 for (int userId : firstUsers) { 1914 PackageInfo info = getPackageInfo(packageName, /*flags*/ 0, userId); 1915 mDexManager.notifyPackageInstalled(info, userId); 1916 } 1917 } 1918 1919 // If someone is watching installs - notify them 1920 if (installObserver != null) { 1921 try { 1922 Bundle extras = extrasForInstallResult(res); 1923 installObserver.onPackageInstalled(res.name, res.returnCode, 1924 res.returnMsg, extras); 1925 } catch (RemoteException e) { 1926 Slog.i(TAG, "Observer no longer exists."); 1927 } 1928 } 1929 } 1930 1931 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1932 PackageParser.Package pkg) { 1933 if (pkg.parentPackage == null) { 1934 return; 1935 } 1936 if (pkg.requestedPermissions == null) { 1937 return; 1938 } 1939 final PackageSetting disabledSysParentPs = mSettings 1940 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1941 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1942 || !disabledSysParentPs.isPrivileged() 1943 || (disabledSysParentPs.childPackageNames != null 1944 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1945 return; 1946 } 1947 final int[] allUserIds = sUserManager.getUserIds(); 1948 final int permCount = pkg.requestedPermissions.size(); 1949 for (int i = 0; i < permCount; i++) { 1950 String permission = pkg.requestedPermissions.get(i); 1951 BasePermission bp = mSettings.mPermissions.get(permission); 1952 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1953 continue; 1954 } 1955 for (int userId : allUserIds) { 1956 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1957 permission, userId)) { 1958 grantRuntimePermission(pkg.packageName, permission, userId); 1959 } 1960 } 1961 } 1962 } 1963 1964 private StorageEventListener mStorageListener = new StorageEventListener() { 1965 @Override 1966 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1967 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1968 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1969 final String volumeUuid = vol.getFsUuid(); 1970 1971 // Clean up any users or apps that were removed or recreated 1972 // while this volume was missing 1973 sUserManager.reconcileUsers(volumeUuid); 1974 reconcileApps(volumeUuid); 1975 1976 // Clean up any install sessions that expired or were 1977 // cancelled while this volume was missing 1978 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1979 1980 loadPrivatePackages(vol); 1981 1982 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1983 unloadPrivatePackages(vol); 1984 } 1985 } 1986 1987 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1988 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1989 updateExternalMediaStatus(true, false); 1990 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1991 updateExternalMediaStatus(false, false); 1992 } 1993 } 1994 } 1995 1996 @Override 1997 public void onVolumeForgotten(String fsUuid) { 1998 if (TextUtils.isEmpty(fsUuid)) { 1999 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2000 return; 2001 } 2002 2003 // Remove any apps installed on the forgotten volume 2004 synchronized (mPackages) { 2005 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2006 for (PackageSetting ps : packages) { 2007 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2008 deletePackageVersioned(new VersionedPackage(ps.name, 2009 PackageManager.VERSION_CODE_HIGHEST), 2010 new LegacyPackageDeleteObserver(null).getBinder(), 2011 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2012 // Try very hard to release any references to this package 2013 // so we don't risk the system server being killed due to 2014 // open FDs 2015 AttributeCache.instance().removePackage(ps.name); 2016 } 2017 2018 mSettings.onVolumeForgotten(fsUuid); 2019 mSettings.writeLPr(); 2020 } 2021 } 2022 }; 2023 2024 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2025 String[] grantedPermissions) { 2026 for (int userId : userIds) { 2027 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2028 } 2029 } 2030 2031 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2032 String[] grantedPermissions) { 2033 SettingBase sb = (SettingBase) pkg.mExtras; 2034 if (sb == null) { 2035 return; 2036 } 2037 2038 PermissionsState permissionsState = sb.getPermissionsState(); 2039 2040 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2041 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2042 2043 final boolean supportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 2044 >= Build.VERSION_CODES.M; 2045 2046 final boolean instantApp = isInstantApp(pkg.packageName, userId); 2047 2048 for (String permission : pkg.requestedPermissions) { 2049 final BasePermission bp; 2050 synchronized (mPackages) { 2051 bp = mSettings.mPermissions.get(permission); 2052 } 2053 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2054 && (!instantApp || bp.isInstant()) 2055 && (grantedPermissions == null 2056 || ArrayUtils.contains(grantedPermissions, permission))) { 2057 final int flags = permissionsState.getPermissionFlags(permission, userId); 2058 if (supportsRuntimePermissions) { 2059 // Installer cannot change immutable permissions. 2060 if ((flags & immutableFlags) == 0) { 2061 grantRuntimePermission(pkg.packageName, permission, userId); 2062 } 2063 } else if (mPermissionReviewRequired) { 2064 // In permission review mode we clear the review flag when we 2065 // are asked to install the app with all permissions granted. 2066 if ((flags & PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 2067 updatePermissionFlags(permission, pkg.packageName, 2068 PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED, 0, userId); 2069 } 2070 } 2071 } 2072 } 2073 } 2074 2075 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2076 Bundle extras = null; 2077 switch (res.returnCode) { 2078 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2079 extras = new Bundle(); 2080 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2081 res.origPermission); 2082 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2083 res.origPackage); 2084 break; 2085 } 2086 case PackageManager.INSTALL_SUCCEEDED: { 2087 extras = new Bundle(); 2088 extras.putBoolean(Intent.EXTRA_REPLACING, 2089 res.removedInfo != null && res.removedInfo.removedPackage != null); 2090 break; 2091 } 2092 } 2093 return extras; 2094 } 2095 2096 void scheduleWriteSettingsLocked() { 2097 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2098 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2099 } 2100 } 2101 2102 void scheduleWritePackageListLocked(int userId) { 2103 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2104 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2105 msg.arg1 = userId; 2106 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2107 } 2108 } 2109 2110 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2111 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2112 scheduleWritePackageRestrictionsLocked(userId); 2113 } 2114 2115 void scheduleWritePackageRestrictionsLocked(int userId) { 2116 final int[] userIds = (userId == UserHandle.USER_ALL) 2117 ? sUserManager.getUserIds() : new int[]{userId}; 2118 for (int nextUserId : userIds) { 2119 if (!sUserManager.exists(nextUserId)) return; 2120 mDirtyUsers.add(nextUserId); 2121 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2122 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2123 } 2124 } 2125 } 2126 2127 public static PackageManagerService main(Context context, Installer installer, 2128 boolean factoryTest, boolean onlyCore) { 2129 // Self-check for initial settings. 2130 PackageManagerServiceCompilerMapping.checkProperties(); 2131 2132 PackageManagerService m = new PackageManagerService(context, installer, 2133 factoryTest, onlyCore); 2134 m.enableSystemUserPackages(); 2135 ServiceManager.addService("package", m); 2136 return m; 2137 } 2138 2139 private void enableSystemUserPackages() { 2140 if (!UserManager.isSplitSystemUser()) { 2141 return; 2142 } 2143 // For system user, enable apps based on the following conditions: 2144 // - app is whitelisted or belong to one of these groups: 2145 // -- system app which has no launcher icons 2146 // -- system app which has INTERACT_ACROSS_USERS permission 2147 // -- system IME app 2148 // - app is not in the blacklist 2149 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2150 Set<String> enableApps = new ArraySet<>(); 2151 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2152 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2153 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2154 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2155 enableApps.addAll(wlApps); 2156 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2157 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2158 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2159 enableApps.removeAll(blApps); 2160 Log.i(TAG, "Applications installed for system user: " + enableApps); 2161 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2162 UserHandle.SYSTEM); 2163 final int allAppsSize = allAps.size(); 2164 synchronized (mPackages) { 2165 for (int i = 0; i < allAppsSize; i++) { 2166 String pName = allAps.get(i); 2167 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2168 // Should not happen, but we shouldn't be failing if it does 2169 if (pkgSetting == null) { 2170 continue; 2171 } 2172 boolean install = enableApps.contains(pName); 2173 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2174 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2175 + " for system user"); 2176 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2177 } 2178 } 2179 scheduleWritePackageRestrictionsLocked(UserHandle.USER_SYSTEM); 2180 } 2181 } 2182 2183 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2184 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2185 Context.DISPLAY_SERVICE); 2186 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2187 } 2188 2189 /** 2190 * Requests that files preopted on a secondary system partition be copied to the data partition 2191 * if possible. Note that the actual copying of the files is accomplished by init for security 2192 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2193 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2194 */ 2195 private static void requestCopyPreoptedFiles() { 2196 final int WAIT_TIME_MS = 100; 2197 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2198 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2199 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2200 // We will wait for up to 100 seconds. 2201 final long timeStart = SystemClock.uptimeMillis(); 2202 final long timeEnd = timeStart + 100 * 1000; 2203 long timeNow = timeStart; 2204 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2205 try { 2206 Thread.sleep(WAIT_TIME_MS); 2207 } catch (InterruptedException e) { 2208 // Do nothing 2209 } 2210 timeNow = SystemClock.uptimeMillis(); 2211 if (timeNow > timeEnd) { 2212 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2213 Slog.wtf(TAG, "cppreopt did not finish!"); 2214 break; 2215 } 2216 } 2217 2218 Slog.i(TAG, "cppreopts took " + (timeNow - timeStart) + " ms"); 2219 } 2220 } 2221 2222 public PackageManagerService(Context context, Installer installer, 2223 boolean factoryTest, boolean onlyCore) { 2224 LockGuard.installLock(mPackages, LockGuard.INDEX_PACKAGES); 2225 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2226 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2227 SystemClock.uptimeMillis()); 2228 2229 if (mSdkVersion <= 0) { 2230 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2231 } 2232 2233 mContext = context; 2234 2235 mPermissionReviewRequired = context.getResources().getBoolean( 2236 R.bool.config_permissionReviewRequired); 2237 2238 mFactoryTest = factoryTest; 2239 mOnlyCore = onlyCore; 2240 mMetrics = new DisplayMetrics(); 2241 mSettings = new Settings(mPackages); 2242 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2243 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2244 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2245 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2246 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2247 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2248 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2249 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2250 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2251 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2252 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2253 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2254 2255 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2256 if (separateProcesses != null && separateProcesses.length() > 0) { 2257 if ("*".equals(separateProcesses)) { 2258 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2259 mSeparateProcesses = null; 2260 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2261 } else { 2262 mDefParseFlags = 0; 2263 mSeparateProcesses = separateProcesses.split(","); 2264 Slog.w(TAG, "Running with debug.separate_processes: " 2265 + separateProcesses); 2266 } 2267 } else { 2268 mDefParseFlags = 0; 2269 mSeparateProcesses = null; 2270 } 2271 2272 mInstaller = installer; 2273 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2274 "*dexopt*"); 2275 mDexManager = new DexManager(this, mPackageDexOptimizer, installer, mInstallLock); 2276 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2277 2278 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2279 FgThread.get().getLooper()); 2280 2281 getDefaultDisplayMetrics(context, mMetrics); 2282 2283 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2284 SystemConfig systemConfig = SystemConfig.getInstance(); 2285 mGlobalGids = systemConfig.getGlobalGids(); 2286 mSystemPermissions = systemConfig.getSystemPermissions(); 2287 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2288 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2289 2290 mProtectedPackages = new ProtectedPackages(mContext); 2291 2292 synchronized (mInstallLock) { 2293 // writer 2294 synchronized (mPackages) { 2295 mHandlerThread = new ServiceThread(TAG, 2296 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2297 mHandlerThread.start(); 2298 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2299 mProcessLoggingHandler = new ProcessLoggingHandler(); 2300 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2301 2302 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2303 mInstantAppRegistry = new InstantAppRegistry(this); 2304 2305 File dataDir = Environment.getDataDirectory(); 2306 mAppInstallDir = new File(dataDir, "app"); 2307 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2308 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2309 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2310 sUserManager = new UserManagerService(context, this, 2311 new UserDataPreparer(mInstaller, mInstallLock, mContext, mOnlyCore), mPackages); 2312 2313 // Propagate permission configuration in to package manager. 2314 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2315 = systemConfig.getPermissions(); 2316 for (int i=0; i<permConfig.size(); i++) { 2317 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2318 BasePermission bp = mSettings.mPermissions.get(perm.name); 2319 if (bp == null) { 2320 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2321 mSettings.mPermissions.put(perm.name, bp); 2322 } 2323 if (perm.gids != null) { 2324 bp.setGids(perm.gids, perm.perUser); 2325 } 2326 } 2327 2328 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2329 final int builtInLibCount = libConfig.size(); 2330 for (int i = 0; i < builtInLibCount; i++) { 2331 String name = libConfig.keyAt(i); 2332 String path = libConfig.valueAt(i); 2333 addSharedLibraryLPw(path, null, name, SharedLibraryInfo.VERSION_UNDEFINED, 2334 SharedLibraryInfo.TYPE_BUILTIN, PLATFORM_PACKAGE_NAME, 0); 2335 } 2336 2337 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2338 2339 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2340 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2341 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2342 2343 // Clean up orphaned packages for which the code path doesn't exist 2344 // and they are an update to a system app - caused by bug/32321269 2345 final int packageSettingCount = mSettings.mPackages.size(); 2346 for (int i = packageSettingCount - 1; i >= 0; i--) { 2347 PackageSetting ps = mSettings.mPackages.valueAt(i); 2348 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2349 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2350 mSettings.mPackages.removeAt(i); 2351 mSettings.enableSystemPackageLPw(ps.name); 2352 } 2353 } 2354 2355 if (mFirstBoot) { 2356 requestCopyPreoptedFiles(); 2357 } 2358 2359 String customResolverActivity = Resources.getSystem().getString( 2360 R.string.config_customResolverActivity); 2361 if (TextUtils.isEmpty(customResolverActivity)) { 2362 customResolverActivity = null; 2363 } else { 2364 mCustomResolverComponentName = ComponentName.unflattenFromString( 2365 customResolverActivity); 2366 } 2367 2368 long startTime = SystemClock.uptimeMillis(); 2369 2370 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2371 startTime); 2372 2373 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2374 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2375 2376 if (bootClassPath == null) { 2377 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2378 } 2379 2380 if (systemServerClassPath == null) { 2381 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2382 } 2383 2384 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2385 2386 final VersionInfo ver = mSettings.getInternalVersion(); 2387 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2388 2389 // when upgrading from pre-M, promote system app permissions from install to runtime 2390 mPromoteSystemApps = 2391 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2392 2393 // When upgrading from pre-N, we need to handle package extraction like first boot, 2394 // as there is no profiling data available. 2395 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2396 2397 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2398 2399 // save off the names of pre-existing system packages prior to scanning; we don't 2400 // want to automatically grant runtime permissions for new system apps 2401 if (mPromoteSystemApps) { 2402 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2403 while (pkgSettingIter.hasNext()) { 2404 PackageSetting ps = pkgSettingIter.next(); 2405 if (isSystemApp(ps)) { 2406 mExistingSystemPackages.add(ps.name); 2407 } 2408 } 2409 } 2410 2411 mCacheDir = preparePackageParserCache(mIsUpgrade); 2412 2413 // Set flag to monitor and not change apk file paths when 2414 // scanning install directories. 2415 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2416 2417 if (mIsUpgrade || mFirstBoot) { 2418 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2419 } 2420 2421 // Collect vendor overlay packages. (Do this before scanning any apps.) 2422 // For security and version matching reason, only consider 2423 // overlay packages if they reside in the right directory. 2424 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2425 | PackageParser.PARSE_IS_SYSTEM 2426 | PackageParser.PARSE_IS_SYSTEM_DIR 2427 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2428 2429 // Find base frameworks (resource packages without code). 2430 scanDirTracedLI(frameworkDir, mDefParseFlags 2431 | PackageParser.PARSE_IS_SYSTEM 2432 | PackageParser.PARSE_IS_SYSTEM_DIR 2433 | PackageParser.PARSE_IS_PRIVILEGED, 2434 scanFlags | SCAN_NO_DEX, 0); 2435 2436 // Collected privileged system packages. 2437 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2438 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2439 | PackageParser.PARSE_IS_SYSTEM 2440 | PackageParser.PARSE_IS_SYSTEM_DIR 2441 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2442 2443 // Collect ordinary system packages. 2444 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2445 scanDirTracedLI(systemAppDir, mDefParseFlags 2446 | PackageParser.PARSE_IS_SYSTEM 2447 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2448 2449 // Collect all vendor packages. 2450 File vendorAppDir = new File("/vendor/app"); 2451 try { 2452 vendorAppDir = vendorAppDir.getCanonicalFile(); 2453 } catch (IOException e) { 2454 // failed to look up canonical path, continue with original one 2455 } 2456 scanDirTracedLI(vendorAppDir, mDefParseFlags 2457 | PackageParser.PARSE_IS_SYSTEM 2458 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2459 2460 // Collect all OEM packages. 2461 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2462 scanDirTracedLI(oemAppDir, mDefParseFlags 2463 | PackageParser.PARSE_IS_SYSTEM 2464 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2465 2466 // Prune any system packages that no longer exist. 2467 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2468 if (!mOnlyCore) { 2469 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2470 while (psit.hasNext()) { 2471 PackageSetting ps = psit.next(); 2472 2473 /* 2474 * If this is not a system app, it can't be a 2475 * disable system app. 2476 */ 2477 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2478 continue; 2479 } 2480 2481 /* 2482 * If the package is scanned, it's not erased. 2483 */ 2484 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2485 if (scannedPkg != null) { 2486 /* 2487 * If the system app is both scanned and in the 2488 * disabled packages list, then it must have been 2489 * added via OTA. Remove it from the currently 2490 * scanned package so the previously user-installed 2491 * application can be scanned. 2492 */ 2493 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2494 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2495 + ps.name + "; removing system app. Last known codePath=" 2496 + ps.codePathString + ", installStatus=" + ps.installStatus 2497 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2498 + scannedPkg.mVersionCode); 2499 removePackageLI(scannedPkg, true); 2500 mExpectingBetter.put(ps.name, ps.codePath); 2501 } 2502 2503 continue; 2504 } 2505 2506 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2507 psit.remove(); 2508 logCriticalInfo(Log.WARN, "System package " + ps.name 2509 + " no longer exists; it's data will be wiped"); 2510 // Actual deletion of code and data will be handled by later 2511 // reconciliation step 2512 } else { 2513 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2514 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2515 possiblyDeletedUpdatedSystemApps.add(ps.name); 2516 } 2517 } 2518 } 2519 } 2520 2521 //look for any incomplete package installations 2522 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2523 for (int i = 0; i < deletePkgsList.size(); i++) { 2524 // Actual deletion of code and data will be handled by later 2525 // reconciliation step 2526 final String packageName = deletePkgsList.get(i).name; 2527 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2528 synchronized (mPackages) { 2529 mSettings.removePackageLPw(packageName); 2530 } 2531 } 2532 2533 //delete tmp files 2534 deleteTempPackageFiles(); 2535 2536 // Remove any shared userIDs that have no associated packages 2537 mSettings.pruneSharedUsersLPw(); 2538 2539 if (!mOnlyCore) { 2540 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2541 SystemClock.uptimeMillis()); 2542 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2543 2544 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2545 | PackageParser.PARSE_FORWARD_LOCK, 2546 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2547 2548 /** 2549 * Remove disable package settings for any updated system 2550 * apps that were removed via an OTA. If they're not a 2551 * previously-updated app, remove them completely. 2552 * Otherwise, just revoke their system-level permissions. 2553 */ 2554 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2555 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2556 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2557 2558 String msg; 2559 if (deletedPkg == null) { 2560 msg = "Updated system package " + deletedAppName 2561 + " no longer exists; it's data will be wiped"; 2562 // Actual deletion of code and data will be handled by later 2563 // reconciliation step 2564 } else { 2565 msg = "Updated system app + " + deletedAppName 2566 + " no longer present; removing system privileges for " 2567 + deletedAppName; 2568 2569 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2570 2571 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2572 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2573 } 2574 logCriticalInfo(Log.WARN, msg); 2575 } 2576 2577 /** 2578 * Make sure all system apps that we expected to appear on 2579 * the userdata partition actually showed up. If they never 2580 * appeared, crawl back and revive the system version. 2581 */ 2582 for (int i = 0; i < mExpectingBetter.size(); i++) { 2583 final String packageName = mExpectingBetter.keyAt(i); 2584 if (!mPackages.containsKey(packageName)) { 2585 final File scanFile = mExpectingBetter.valueAt(i); 2586 2587 logCriticalInfo(Log.WARN, "Expected better " + packageName 2588 + " but never showed up; reverting to system"); 2589 2590 int reparseFlags = mDefParseFlags; 2591 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2592 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2593 | PackageParser.PARSE_IS_SYSTEM_DIR 2594 | PackageParser.PARSE_IS_PRIVILEGED; 2595 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2596 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2597 | PackageParser.PARSE_IS_SYSTEM_DIR; 2598 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2599 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2600 | PackageParser.PARSE_IS_SYSTEM_DIR; 2601 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2602 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2603 | PackageParser.PARSE_IS_SYSTEM_DIR; 2604 } else { 2605 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2606 continue; 2607 } 2608 2609 mSettings.enableSystemPackageLPw(packageName); 2610 2611 try { 2612 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2613 } catch (PackageManagerException e) { 2614 Slog.e(TAG, "Failed to parse original system package: " 2615 + e.getMessage()); 2616 } 2617 } 2618 } 2619 } 2620 mExpectingBetter.clear(); 2621 2622 // Resolve the storage manager. 2623 mStorageManagerPackage = getStorageManagerPackageName(); 2624 2625 // Resolve protected action filters. Only the setup wizard is allowed to 2626 // have a high priority filter for these actions. 2627 mSetupWizardPackage = getSetupWizardPackageName(); 2628 if (mProtectedFilters.size() > 0) { 2629 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2630 Slog.i(TAG, "No setup wizard;" 2631 + " All protected intents capped to priority 0"); 2632 } 2633 for (ActivityIntentInfo filter : mProtectedFilters) { 2634 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2635 if (DEBUG_FILTERS) { 2636 Slog.i(TAG, "Found setup wizard;" 2637 + " allow priority " + filter.getPriority() + ";" 2638 + " package: " + filter.activity.info.packageName 2639 + " activity: " + filter.activity.className 2640 + " priority: " + filter.getPriority()); 2641 } 2642 // skip setup wizard; allow it to keep the high priority filter 2643 continue; 2644 } 2645 Slog.w(TAG, "Protected action; cap priority to 0;" 2646 + " package: " + filter.activity.info.packageName 2647 + " activity: " + filter.activity.className 2648 + " origPrio: " + filter.getPriority()); 2649 filter.setPriority(0); 2650 } 2651 } 2652 mDeferProtectedFilters = false; 2653 mProtectedFilters.clear(); 2654 2655 // Now that we know all of the shared libraries, update all clients to have 2656 // the correct library paths. 2657 updateAllSharedLibrariesLPw(null); 2658 2659 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2660 // NOTE: We ignore potential failures here during a system scan (like 2661 // the rest of the commands above) because there's precious little we 2662 // can do about it. A settings error is reported, though. 2663 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2664 } 2665 2666 // Now that we know all the packages we are keeping, 2667 // read and update their last usage times. 2668 mPackageUsage.read(mPackages); 2669 mCompilerStats.read(); 2670 2671 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2672 SystemClock.uptimeMillis()); 2673 Slog.i(TAG, "Time to scan packages: " 2674 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2675 + " seconds"); 2676 2677 // If the platform SDK has changed since the last time we booted, 2678 // we need to re-grant app permission to catch any new ones that 2679 // appear. This is really a hack, and means that apps can in some 2680 // cases get permissions that the user didn't initially explicitly 2681 // allow... it would be nice to have some better way to handle 2682 // this situation. 2683 int updateFlags = UPDATE_PERMISSIONS_ALL; 2684 if (ver.sdkVersion != mSdkVersion) { 2685 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2686 + mSdkVersion + "; regranting permissions for internal storage"); 2687 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2688 } 2689 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2690 ver.sdkVersion = mSdkVersion; 2691 2692 // If this is the first boot or an update from pre-M, and it is a normal 2693 // boot, then we need to initialize the default preferred apps across 2694 // all defined users. 2695 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2696 for (UserInfo user : sUserManager.getUsers(true)) { 2697 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2698 applyFactoryDefaultBrowserLPw(user.id); 2699 primeDomainVerificationsLPw(user.id); 2700 } 2701 } 2702 2703 // Prepare storage for system user really early during boot, 2704 // since core system apps like SettingsProvider and SystemUI 2705 // can't wait for user to start 2706 final int storageFlags; 2707 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2708 storageFlags = StorageManager.FLAG_STORAGE_DE; 2709 } else { 2710 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2711 } 2712 List<String> deferPackages = reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, 2713 UserHandle.USER_SYSTEM, storageFlags, true /* migrateAppData */, 2714 true /* onlyCoreApps */); 2715 mPrepareAppDataFuture = SystemServerInitThreadPool.get().submit(() -> { 2716 if (deferPackages == null || deferPackages.isEmpty()) { 2717 return; 2718 } 2719 int count = 0; 2720 for (String pkgName : deferPackages) { 2721 PackageParser.Package pkg = null; 2722 synchronized (mPackages) { 2723 PackageSetting ps = mSettings.getPackageLPr(pkgName); 2724 if (ps != null && ps.getInstalled(UserHandle.USER_SYSTEM)) { 2725 pkg = ps.pkg; 2726 } 2727 } 2728 if (pkg != null) { 2729 synchronized (mInstallLock) { 2730 prepareAppDataAndMigrateLIF(pkg, UserHandle.USER_SYSTEM, storageFlags, 2731 true /* maybeMigrateAppData */); 2732 } 2733 count++; 2734 } 2735 } 2736 Slog.i(TAG, "Deferred reconcileAppsData finished " + count + " packages"); 2737 }, "prepareAppData"); 2738 2739 // If this is first boot after an OTA, and a normal boot, then 2740 // we need to clear code cache directories. 2741 // Note that we do *not* clear the application profiles. These remain valid 2742 // across OTAs and are used to drive profile verification (post OTA) and 2743 // profile compilation (without waiting to collect a fresh set of profiles). 2744 if (mIsUpgrade && !onlyCore) { 2745 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2746 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2747 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2748 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2749 // No apps are running this early, so no need to freeze 2750 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2751 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2752 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2753 } 2754 } 2755 ver.fingerprint = Build.FINGERPRINT; 2756 } 2757 2758 checkDefaultBrowser(); 2759 2760 // clear only after permissions and other defaults have been updated 2761 mExistingSystemPackages.clear(); 2762 mPromoteSystemApps = false; 2763 2764 // All the changes are done during package scanning. 2765 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2766 2767 // can downgrade to reader 2768 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2769 mSettings.writeLPr(); 2770 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2771 2772 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2773 SystemClock.uptimeMillis()); 2774 2775 if (!mOnlyCore) { 2776 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2777 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2778 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2779 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2780 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2781 mIntentFilterVerifierComponent); 2782 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2783 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES, 2784 SharedLibraryInfo.VERSION_UNDEFINED); 2785 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2786 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED, 2787 SharedLibraryInfo.VERSION_UNDEFINED); 2788 } else { 2789 mRequiredVerifierPackage = null; 2790 mRequiredInstallerPackage = null; 2791 mRequiredUninstallerPackage = null; 2792 mIntentFilterVerifierComponent = null; 2793 mIntentFilterVerifier = null; 2794 mServicesSystemSharedLibraryPackageName = null; 2795 mSharedSystemSharedLibraryPackageName = null; 2796 } 2797 2798 mInstallerService = new PackageInstallerService(context, this); 2799 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2800 if (ephemeralResolverComponent != null) { 2801 if (DEBUG_EPHEMERAL) { 2802 Slog.d(TAG, "Set ephemeral resolver: " + ephemeralResolverComponent); 2803 } 2804 mInstantAppResolverConnection = 2805 new EphemeralResolverConnection(mContext, ephemeralResolverComponent); 2806 } else { 2807 mInstantAppResolverConnection = null; 2808 } 2809 updateInstantAppInstallerLocked(); 2810 mInstantAppResolverSettingsComponent = getEphemeralResolverSettingsLPr(); 2811 2812 // Read and update the usage of dex files. 2813 // Do this at the end of PM init so that all the packages have their 2814 // data directory reconciled. 2815 // At this point we know the code paths of the packages, so we can validate 2816 // the disk file and build the internal cache. 2817 // The usage file is expected to be small so loading and verifying it 2818 // should take a fairly small time compare to the other activities (e.g. package 2819 // scanning). 2820 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 2821 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 2822 for (int userId : currentUserIds) { 2823 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 2824 } 2825 mDexManager.load(userPackages); 2826 } // synchronized (mPackages) 2827 } // synchronized (mInstallLock) 2828 2829 // Now after opening every single application zip, make sure they 2830 // are all flushed. Not really needed, but keeps things nice and 2831 // tidy. 2832 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2833 Runtime.getRuntime().gc(); 2834 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2835 2836 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 2837 FallbackCategoryProvider.loadFallbacks(); 2838 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2839 2840 // The initial scanning above does many calls into installd while 2841 // holding the mPackages lock, but we're mostly interested in yelling 2842 // once we have a booted system. 2843 mInstaller.setWarnIfHeld(mPackages); 2844 2845 // Expose private service for system components to use. 2846 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2847 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2848 } 2849 2850 private void updateInstantAppInstallerLocked() { 2851 final ComponentName oldInstantAppInstallerComponent = mInstantAppInstallerComponent; 2852 final ActivityInfo newInstantAppInstaller = getEphemeralInstallerLPr(); 2853 ComponentName newInstantAppInstallerComponent = newInstantAppInstaller == null 2854 ? null : newInstantAppInstaller.getComponentName(); 2855 2856 if (newInstantAppInstallerComponent != null 2857 && !newInstantAppInstallerComponent.equals(oldInstantAppInstallerComponent)) { 2858 if (DEBUG_EPHEMERAL) { 2859 Slog.d(TAG, "Set ephemeral installer: " + newInstantAppInstallerComponent); 2860 } 2861 setUpInstantAppInstallerActivityLP(newInstantAppInstaller); 2862 } else if (DEBUG_EPHEMERAL && newInstantAppInstallerComponent == null) { 2863 Slog.d(TAG, "Unset ephemeral installer; none available"); 2864 } 2865 mInstantAppInstallerComponent = newInstantAppInstallerComponent; 2866 } 2867 2868 private static File preparePackageParserCache(boolean isUpgrade) { 2869 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 2870 return null; 2871 } 2872 2873 // Disable package parsing on eng builds to allow for faster incremental development. 2874 if ("eng".equals(Build.TYPE)) { 2875 return null; 2876 } 2877 2878 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 2879 Slog.i(TAG, "Disabling package parser cache due to system property."); 2880 return null; 2881 } 2882 2883 // The base directory for the package parser cache lives under /data/system/. 2884 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 2885 "package_cache"); 2886 if (cacheBaseDir == null) { 2887 return null; 2888 } 2889 2890 // If this is a system upgrade scenario, delete the contents of the package cache dir. 2891 // This also serves to "GC" unused entries when the package cache version changes (which 2892 // can only happen during upgrades). 2893 if (isUpgrade) { 2894 FileUtils.deleteContents(cacheBaseDir); 2895 } 2896 2897 2898 // Return the versioned package cache directory. This is something like 2899 // "/data/system/package_cache/1" 2900 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2901 2902 // The following is a workaround to aid development on non-numbered userdebug 2903 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 2904 // the system partition is newer. 2905 // 2906 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 2907 // that starts with "eng." to signify that this is an engineering build and not 2908 // destined for release. 2909 if ("userdebug".equals(Build.TYPE) && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 2910 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 2911 2912 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 2913 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 2914 // in general and should not be used for production changes. In this specific case, 2915 // we know that they will work. 2916 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2917 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 2918 FileUtils.deleteContents(cacheBaseDir); 2919 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2920 } 2921 } 2922 2923 return cacheDir; 2924 } 2925 2926 @Override 2927 public boolean isFirstBoot() { 2928 return mFirstBoot; 2929 } 2930 2931 @Override 2932 public boolean isOnlyCoreApps() { 2933 return mOnlyCore; 2934 } 2935 2936 @Override 2937 public boolean isUpgrade() { 2938 return mIsUpgrade; 2939 } 2940 2941 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2942 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2943 2944 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2945 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2946 UserHandle.USER_SYSTEM); 2947 if (matches.size() == 1) { 2948 return matches.get(0).getComponentInfo().packageName; 2949 } else if (matches.size() == 0) { 2950 Log.e(TAG, "There should probably be a verifier, but, none were found"); 2951 return null; 2952 } 2953 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2954 } 2955 2956 private @NonNull String getRequiredSharedLibraryLPr(String name, int version) { 2957 synchronized (mPackages) { 2958 SharedLibraryEntry libraryEntry = getSharedLibraryEntryLPr(name, version); 2959 if (libraryEntry == null) { 2960 throw new IllegalStateException("Missing required shared library:" + name); 2961 } 2962 return libraryEntry.apk; 2963 } 2964 } 2965 2966 private @NonNull String getRequiredInstallerLPr() { 2967 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2968 intent.addCategory(Intent.CATEGORY_DEFAULT); 2969 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2970 2971 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2972 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2973 UserHandle.USER_SYSTEM); 2974 if (matches.size() == 1) { 2975 ResolveInfo resolveInfo = matches.get(0); 2976 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2977 throw new RuntimeException("The installer must be a privileged app"); 2978 } 2979 return matches.get(0).getComponentInfo().packageName; 2980 } else { 2981 throw new RuntimeException("There must be exactly one installer; found " + matches); 2982 } 2983 } 2984 2985 private @NonNull String getRequiredUninstallerLPr() { 2986 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 2987 intent.addCategory(Intent.CATEGORY_DEFAULT); 2988 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 2989 2990 final ResolveInfo resolveInfo = resolveIntent(intent, null, 2991 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2992 UserHandle.USER_SYSTEM); 2993 if (resolveInfo == null || 2994 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 2995 throw new RuntimeException("There must be exactly one uninstaller; found " 2996 + resolveInfo); 2997 } 2998 return resolveInfo.getComponentInfo().packageName; 2999 } 3000 3001 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 3002 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 3003 3004 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3005 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3006 UserHandle.USER_SYSTEM); 3007 ResolveInfo best = null; 3008 final int N = matches.size(); 3009 for (int i = 0; i < N; i++) { 3010 final ResolveInfo cur = matches.get(i); 3011 final String packageName = cur.getComponentInfo().packageName; 3012 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 3013 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 3014 continue; 3015 } 3016 3017 if (best == null || cur.priority > best.priority) { 3018 best = cur; 3019 } 3020 } 3021 3022 if (best != null) { 3023 return best.getComponentInfo().getComponentName(); 3024 } else { 3025 throw new RuntimeException("There must be at least one intent filter verifier"); 3026 } 3027 } 3028 3029 private @Nullable ComponentName getEphemeralResolverLPr() { 3030 final String[] packageArray = 3031 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3032 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3033 if (DEBUG_EPHEMERAL) { 3034 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3035 } 3036 return null; 3037 } 3038 3039 final int resolveFlags = 3040 MATCH_DIRECT_BOOT_AWARE 3041 | MATCH_DIRECT_BOOT_UNAWARE 3042 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3043 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 3044 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3045 resolveFlags, UserHandle.USER_SYSTEM); 3046 3047 final int N = resolvers.size(); 3048 if (N == 0) { 3049 if (DEBUG_EPHEMERAL) { 3050 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3051 } 3052 return null; 3053 } 3054 3055 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3056 for (int i = 0; i < N; i++) { 3057 final ResolveInfo info = resolvers.get(i); 3058 3059 if (info.serviceInfo == null) { 3060 continue; 3061 } 3062 3063 final String packageName = info.serviceInfo.packageName; 3064 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3065 if (DEBUG_EPHEMERAL) { 3066 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3067 + " pkg: " + packageName + ", info:" + info); 3068 } 3069 continue; 3070 } 3071 3072 if (DEBUG_EPHEMERAL) { 3073 Slog.v(TAG, "Ephemeral resolver found;" 3074 + " pkg: " + packageName + ", info:" + info); 3075 } 3076 return new ComponentName(packageName, info.serviceInfo.name); 3077 } 3078 if (DEBUG_EPHEMERAL) { 3079 Slog.v(TAG, "Ephemeral resolver NOT found"); 3080 } 3081 return null; 3082 } 3083 3084 private @Nullable ActivityInfo getEphemeralInstallerLPr() { 3085 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3086 intent.addCategory(Intent.CATEGORY_DEFAULT); 3087 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3088 3089 final int resolveFlags = 3090 MATCH_DIRECT_BOOT_AWARE 3091 | MATCH_DIRECT_BOOT_UNAWARE 3092 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3093 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3094 resolveFlags, UserHandle.USER_SYSTEM); 3095 Iterator<ResolveInfo> iter = matches.iterator(); 3096 while (iter.hasNext()) { 3097 final ResolveInfo rInfo = iter.next(); 3098 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3099 if (ps != null) { 3100 final PermissionsState permissionsState = ps.getPermissionsState(); 3101 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3102 continue; 3103 } 3104 } 3105 iter.remove(); 3106 } 3107 if (matches.size() == 0) { 3108 return null; 3109 } else if (matches.size() == 1) { 3110 return (ActivityInfo) matches.get(0).getComponentInfo(); 3111 } else { 3112 throw new RuntimeException( 3113 "There must be at most one ephemeral installer; found " + matches); 3114 } 3115 } 3116 3117 private @Nullable ComponentName getEphemeralResolverSettingsLPr() { 3118 final Intent intent = new Intent(Intent.ACTION_EPHEMERAL_RESOLVER_SETTINGS); 3119 intent.addCategory(Intent.CATEGORY_DEFAULT); 3120 final int resolveFlags = 3121 MATCH_DIRECT_BOOT_AWARE 3122 | MATCH_DIRECT_BOOT_UNAWARE 3123 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3124 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 3125 resolveFlags, UserHandle.USER_SYSTEM); 3126 Iterator<ResolveInfo> iter = matches.iterator(); 3127 while (iter.hasNext()) { 3128 final ResolveInfo rInfo = iter.next(); 3129 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3130 if (ps != null) { 3131 final PermissionsState permissionsState = ps.getPermissionsState(); 3132 if (permissionsState.hasPermission(Manifest.permission.ACCESS_INSTANT_APPS, 0)) { 3133 continue; 3134 } 3135 } 3136 iter.remove(); 3137 } 3138 if (matches.size() == 0) { 3139 return null; 3140 } else if (matches.size() == 1) { 3141 return matches.get(0).getComponentInfo().getComponentName(); 3142 } else { 3143 throw new RuntimeException( 3144 "There must be at most one ephemeral resolver settings; found " + matches); 3145 } 3146 } 3147 3148 private void primeDomainVerificationsLPw(int userId) { 3149 if (DEBUG_DOMAIN_VERIFICATION) { 3150 Slog.d(TAG, "Priming domain verifications in user " + userId); 3151 } 3152 3153 SystemConfig systemConfig = SystemConfig.getInstance(); 3154 ArraySet<String> packages = systemConfig.getLinkedApps(); 3155 3156 for (String packageName : packages) { 3157 PackageParser.Package pkg = mPackages.get(packageName); 3158 if (pkg != null) { 3159 if (!pkg.isSystemApp()) { 3160 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3161 continue; 3162 } 3163 3164 ArraySet<String> domains = null; 3165 for (PackageParser.Activity a : pkg.activities) { 3166 for (ActivityIntentInfo filter : a.intents) { 3167 if (hasValidDomains(filter)) { 3168 if (domains == null) { 3169 domains = new ArraySet<String>(); 3170 } 3171 domains.addAll(filter.getHostsList()); 3172 } 3173 } 3174 } 3175 3176 if (domains != null && domains.size() > 0) { 3177 if (DEBUG_DOMAIN_VERIFICATION) { 3178 Slog.v(TAG, " + " + packageName); 3179 } 3180 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3181 // state w.r.t. the formal app-linkage "no verification attempted" state; 3182 // and then 'always' in the per-user state actually used for intent resolution. 3183 final IntentFilterVerificationInfo ivi; 3184 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3185 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3186 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3187 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3188 } else { 3189 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3190 + "' does not handle web links"); 3191 } 3192 } else { 3193 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3194 } 3195 } 3196 3197 scheduleWritePackageRestrictionsLocked(userId); 3198 scheduleWriteSettingsLocked(); 3199 } 3200 3201 private void applyFactoryDefaultBrowserLPw(int userId) { 3202 // The default browser app's package name is stored in a string resource, 3203 // with a product-specific overlay used for vendor customization. 3204 String browserPkg = mContext.getResources().getString( 3205 com.android.internal.R.string.default_browser); 3206 if (!TextUtils.isEmpty(browserPkg)) { 3207 // non-empty string => required to be a known package 3208 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3209 if (ps == null) { 3210 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3211 browserPkg = null; 3212 } else { 3213 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3214 } 3215 } 3216 3217 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3218 // default. If there's more than one, just leave everything alone. 3219 if (browserPkg == null) { 3220 calculateDefaultBrowserLPw(userId); 3221 } 3222 } 3223 3224 private void calculateDefaultBrowserLPw(int userId) { 3225 List<String> allBrowsers = resolveAllBrowserApps(userId); 3226 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3227 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3228 } 3229 3230 private List<String> resolveAllBrowserApps(int userId) { 3231 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3232 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3233 PackageManager.MATCH_ALL, userId); 3234 3235 final int count = list.size(); 3236 List<String> result = new ArrayList<String>(count); 3237 for (int i=0; i<count; i++) { 3238 ResolveInfo info = list.get(i); 3239 if (info.activityInfo == null 3240 || !info.handleAllWebDataURI 3241 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3242 || result.contains(info.activityInfo.packageName)) { 3243 continue; 3244 } 3245 result.add(info.activityInfo.packageName); 3246 } 3247 3248 return result; 3249 } 3250 3251 private boolean packageIsBrowser(String packageName, int userId) { 3252 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3253 PackageManager.MATCH_ALL, userId); 3254 final int N = list.size(); 3255 for (int i = 0; i < N; i++) { 3256 ResolveInfo info = list.get(i); 3257 if (packageName.equals(info.activityInfo.packageName)) { 3258 return true; 3259 } 3260 } 3261 return false; 3262 } 3263 3264 private void checkDefaultBrowser() { 3265 final int myUserId = UserHandle.myUserId(); 3266 final String packageName = getDefaultBrowserPackageName(myUserId); 3267 if (packageName != null) { 3268 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3269 if (info == null) { 3270 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3271 synchronized (mPackages) { 3272 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3273 } 3274 } 3275 } 3276 } 3277 3278 @Override 3279 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3280 throws RemoteException { 3281 try { 3282 return super.onTransact(code, data, reply, flags); 3283 } catch (RuntimeException e) { 3284 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3285 Slog.wtf(TAG, "Package Manager Crash", e); 3286 } 3287 throw e; 3288 } 3289 } 3290 3291 static int[] appendInts(int[] cur, int[] add) { 3292 if (add == null) return cur; 3293 if (cur == null) return add; 3294 final int N = add.length; 3295 for (int i=0; i<N; i++) { 3296 cur = appendInt(cur, add[i]); 3297 } 3298 return cur; 3299 } 3300 3301 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3302 if (!sUserManager.exists(userId)) return null; 3303 if (ps == null) { 3304 return null; 3305 } 3306 final PackageParser.Package p = ps.pkg; 3307 if (p == null) { 3308 return null; 3309 } 3310 // Filter out ephemeral app metadata: 3311 // * The system/shell/root can see metadata for any app 3312 // * An installed app can see metadata for 1) other installed apps 3313 // and 2) ephemeral apps that have explicitly interacted with it 3314 // * Ephemeral apps can only see their own data and exposed installed apps 3315 // * Holding a signature permission allows seeing instant apps 3316 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 3317 if (callingAppId != Process.SYSTEM_UID 3318 && callingAppId != Process.SHELL_UID 3319 && callingAppId != Process.ROOT_UID 3320 && checkUidPermission(Manifest.permission.ACCESS_INSTANT_APPS, 3321 Binder.getCallingUid()) != PackageManager.PERMISSION_GRANTED) { 3322 final String instantAppPackageName = getInstantAppPackageName(Binder.getCallingUid()); 3323 if (instantAppPackageName != null) { 3324 // ephemeral apps can only get information on themselves or 3325 // installed apps that are exposed. 3326 if (!instantAppPackageName.equals(p.packageName) 3327 && (ps.getInstantApp(userId) || !p.visibleToInstantApps)) { 3328 return null; 3329 } 3330 } else { 3331 if (ps.getInstantApp(userId)) { 3332 // only get access to the ephemeral app if we've been granted access 3333 if (!mInstantAppRegistry.isInstantAccessGranted( 3334 userId, callingAppId, ps.appId)) { 3335 return null; 3336 } 3337 } 3338 } 3339 } 3340 3341 final PermissionsState permissionsState = ps.getPermissionsState(); 3342 3343 // Compute GIDs only if requested 3344 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3345 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3346 // Compute granted permissions only if package has requested permissions 3347 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3348 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3349 final PackageUserState state = ps.readUserState(userId); 3350 3351 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3352 && ps.isSystem()) { 3353 flags |= MATCH_ANY_USER; 3354 } 3355 3356 PackageInfo packageInfo = PackageParser.generatePackageInfo(p, gids, flags, 3357 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3358 3359 if (packageInfo == null) { 3360 return null; 3361 } 3362 3363 rebaseEnabledOverlays(packageInfo.applicationInfo, userId); 3364 3365 packageInfo.packageName = packageInfo.applicationInfo.packageName = 3366 resolveExternalPackageNameLPr(p); 3367 3368 return packageInfo; 3369 } 3370 3371 @Override 3372 public void checkPackageStartable(String packageName, int userId) { 3373 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3374 3375 synchronized (mPackages) { 3376 final PackageSetting ps = mSettings.mPackages.get(packageName); 3377 if (ps == null) { 3378 throw new SecurityException("Package " + packageName + " was not found!"); 3379 } 3380 3381 if (!ps.getInstalled(userId)) { 3382 throw new SecurityException( 3383 "Package " + packageName + " was not installed for user " + userId + "!"); 3384 } 3385 3386 if (mSafeMode && !ps.isSystem()) { 3387 throw new SecurityException("Package " + packageName + " not a system app!"); 3388 } 3389 3390 if (mFrozenPackages.contains(packageName)) { 3391 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3392 } 3393 3394 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3395 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3396 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3397 } 3398 } 3399 } 3400 3401 @Override 3402 public boolean isPackageAvailable(String packageName, int userId) { 3403 if (!sUserManager.exists(userId)) return false; 3404 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3405 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3406 synchronized (mPackages) { 3407 PackageParser.Package p = mPackages.get(packageName); 3408 if (p != null) { 3409 final PackageSetting ps = (PackageSetting) p.mExtras; 3410 if (ps != null) { 3411 final PackageUserState state = ps.readUserState(userId); 3412 if (state != null) { 3413 return PackageParser.isAvailable(state); 3414 } 3415 } 3416 } 3417 } 3418 return false; 3419 } 3420 3421 @Override 3422 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3423 return getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 3424 flags, userId); 3425 } 3426 3427 @Override 3428 public PackageInfo getPackageInfoVersioned(VersionedPackage versionedPackage, 3429 int flags, int userId) { 3430 return getPackageInfoInternal(versionedPackage.getPackageName(), 3431 // TODO: We will change version code to long, so in the new API it is long 3432 (int) versionedPackage.getVersionCode(), flags, userId); 3433 } 3434 3435 private PackageInfo getPackageInfoInternal(String packageName, int versionCode, 3436 int flags, int userId) { 3437 if (!sUserManager.exists(userId)) return null; 3438 flags = updateFlagsForPackage(flags, userId, packageName); 3439 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3440 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3441 3442 // reader 3443 synchronized (mPackages) { 3444 // Normalize package name to handle renamed packages and static libs 3445 packageName = resolveInternalPackageNameLPr(packageName, versionCode); 3446 3447 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3448 if (matchFactoryOnly) { 3449 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3450 if (ps != null) { 3451 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3452 return null; 3453 } 3454 return generatePackageInfo(ps, flags, userId); 3455 } 3456 } 3457 3458 PackageParser.Package p = mPackages.get(packageName); 3459 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3460 return null; 3461 } 3462 if (DEBUG_PACKAGE_INFO) 3463 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3464 if (p != null) { 3465 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 3466 Binder.getCallingUid(), userId)) { 3467 return null; 3468 } 3469 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3470 } 3471 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3472 final PackageSetting ps = mSettings.mPackages.get(packageName); 3473 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3474 return null; 3475 } 3476 return generatePackageInfo(ps, flags, userId); 3477 } 3478 } 3479 return null; 3480 } 3481 3482 3483 private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId) { 3484 // System/shell/root get to see all static libs 3485 final int appId = UserHandle.getAppId(uid); 3486 if (appId == Process.SYSTEM_UID || appId == Process.SHELL_UID 3487 || appId == Process.ROOT_UID) { 3488 return false; 3489 } 3490 3491 // No package means no static lib as it is always on internal storage 3492 if (ps == null || ps.pkg == null || !ps.pkg.applicationInfo.isStaticSharedLibrary()) { 3493 return false; 3494 } 3495 3496 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(ps.pkg.staticSharedLibName, 3497 ps.pkg.staticSharedLibVersion); 3498 if (libEntry == null) { 3499 return false; 3500 } 3501 3502 final int resolvedUid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); 3503 final String[] uidPackageNames = getPackagesForUid(resolvedUid); 3504 if (uidPackageNames == null) { 3505 return true; 3506 } 3507 3508 for (String uidPackageName : uidPackageNames) { 3509 if (ps.name.equals(uidPackageName)) { 3510 return false; 3511 } 3512 PackageSetting uidPs = mSettings.getPackageLPr(uidPackageName); 3513 if (uidPs != null) { 3514 final int index = ArrayUtils.indexOf(uidPs.usesStaticLibraries, 3515 libEntry.info.getName()); 3516 if (index < 0) { 3517 continue; 3518 } 3519 if (uidPs.pkg.usesStaticLibrariesVersions[index] == libEntry.info.getVersion()) { 3520 return false; 3521 } 3522 } 3523 } 3524 return true; 3525 } 3526 3527 @Override 3528 public String[] currentToCanonicalPackageNames(String[] names) { 3529 String[] out = new String[names.length]; 3530 // reader 3531 synchronized (mPackages) { 3532 for (int i=names.length-1; i>=0; i--) { 3533 PackageSetting ps = mSettings.mPackages.get(names[i]); 3534 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3535 } 3536 } 3537 return out; 3538 } 3539 3540 @Override 3541 public String[] canonicalToCurrentPackageNames(String[] names) { 3542 String[] out = new String[names.length]; 3543 // reader 3544 synchronized (mPackages) { 3545 for (int i=names.length-1; i>=0; i--) { 3546 String cur = mSettings.getRenamedPackageLPr(names[i]); 3547 out[i] = cur != null ? cur : names[i]; 3548 } 3549 } 3550 return out; 3551 } 3552 3553 @Override 3554 public int getPackageUid(String packageName, int flags, int userId) { 3555 if (!sUserManager.exists(userId)) return -1; 3556 flags = updateFlagsForPackage(flags, userId, packageName); 3557 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3558 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3559 3560 // reader 3561 synchronized (mPackages) { 3562 final PackageParser.Package p = mPackages.get(packageName); 3563 if (p != null && p.isMatch(flags)) { 3564 return UserHandle.getUid(userId, p.applicationInfo.uid); 3565 } 3566 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3567 final PackageSetting ps = mSettings.mPackages.get(packageName); 3568 if (ps != null && ps.isMatch(flags)) { 3569 return UserHandle.getUid(userId, ps.appId); 3570 } 3571 } 3572 } 3573 3574 return -1; 3575 } 3576 3577 @Override 3578 public int[] getPackageGids(String packageName, int flags, int userId) { 3579 if (!sUserManager.exists(userId)) return null; 3580 flags = updateFlagsForPackage(flags, userId, packageName); 3581 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3582 false /* requireFullPermission */, false /* checkShell */, 3583 "getPackageGids"); 3584 3585 // reader 3586 synchronized (mPackages) { 3587 final PackageParser.Package p = mPackages.get(packageName); 3588 if (p != null && p.isMatch(flags)) { 3589 PackageSetting ps = (PackageSetting) p.mExtras; 3590 // TODO: Shouldn't this be checking for package installed state for userId and 3591 // return null? 3592 return ps.getPermissionsState().computeGids(userId); 3593 } 3594 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3595 final PackageSetting ps = mSettings.mPackages.get(packageName); 3596 if (ps != null && ps.isMatch(flags)) { 3597 return ps.getPermissionsState().computeGids(userId); 3598 } 3599 } 3600 } 3601 3602 return null; 3603 } 3604 3605 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3606 if (bp.perm != null) { 3607 return PackageParser.generatePermissionInfo(bp.perm, flags); 3608 } 3609 PermissionInfo pi = new PermissionInfo(); 3610 pi.name = bp.name; 3611 pi.packageName = bp.sourcePackage; 3612 pi.nonLocalizedLabel = bp.name; 3613 pi.protectionLevel = bp.protectionLevel; 3614 return pi; 3615 } 3616 3617 @Override 3618 public PermissionInfo getPermissionInfo(String name, int flags) { 3619 // reader 3620 synchronized (mPackages) { 3621 final BasePermission p = mSettings.mPermissions.get(name); 3622 if (p != null) { 3623 return generatePermissionInfo(p, flags); 3624 } 3625 return null; 3626 } 3627 } 3628 3629 @Override 3630 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3631 int flags) { 3632 // reader 3633 synchronized (mPackages) { 3634 if (group != null && !mPermissionGroups.containsKey(group)) { 3635 // This is thrown as NameNotFoundException 3636 return null; 3637 } 3638 3639 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3640 for (BasePermission p : mSettings.mPermissions.values()) { 3641 if (group == null) { 3642 if (p.perm == null || p.perm.info.group == null) { 3643 out.add(generatePermissionInfo(p, flags)); 3644 } 3645 } else { 3646 if (p.perm != null && group.equals(p.perm.info.group)) { 3647 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3648 } 3649 } 3650 } 3651 return new ParceledListSlice<>(out); 3652 } 3653 } 3654 3655 @Override 3656 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3657 // reader 3658 synchronized (mPackages) { 3659 return PackageParser.generatePermissionGroupInfo( 3660 mPermissionGroups.get(name), flags); 3661 } 3662 } 3663 3664 @Override 3665 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3666 // reader 3667 synchronized (mPackages) { 3668 final int N = mPermissionGroups.size(); 3669 ArrayList<PermissionGroupInfo> out 3670 = new ArrayList<PermissionGroupInfo>(N); 3671 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3672 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3673 } 3674 return new ParceledListSlice<>(out); 3675 } 3676 } 3677 3678 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3679 int uid, int userId) { 3680 if (!sUserManager.exists(userId)) return null; 3681 PackageSetting ps = mSettings.mPackages.get(packageName); 3682 if (ps != null) { 3683 if (filterSharedLibPackageLPr(ps, uid, userId)) { 3684 return null; 3685 } 3686 if (ps.pkg == null) { 3687 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3688 if (pInfo != null) { 3689 return pInfo.applicationInfo; 3690 } 3691 return null; 3692 } 3693 ApplicationInfo ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3694 ps.readUserState(userId), userId); 3695 if (ai != null) { 3696 rebaseEnabledOverlays(ai, userId); 3697 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 3698 } 3699 return ai; 3700 } 3701 return null; 3702 } 3703 3704 @Override 3705 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3706 if (!sUserManager.exists(userId)) return null; 3707 flags = updateFlagsForApplication(flags, userId, packageName); 3708 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3709 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3710 3711 // writer 3712 synchronized (mPackages) { 3713 // Normalize package name to handle renamed packages and static libs 3714 packageName = resolveInternalPackageNameLPr(packageName, 3715 PackageManager.VERSION_CODE_HIGHEST); 3716 3717 PackageParser.Package p = mPackages.get(packageName); 3718 if (DEBUG_PACKAGE_INFO) Log.v( 3719 TAG, "getApplicationInfo " + packageName 3720 + ": " + p); 3721 if (p != null) { 3722 PackageSetting ps = mSettings.mPackages.get(packageName); 3723 if (ps == null) return null; 3724 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3725 return null; 3726 } 3727 // Note: isEnabledLP() does not apply here - always return info 3728 ApplicationInfo ai = PackageParser.generateApplicationInfo( 3729 p, flags, ps.readUserState(userId), userId); 3730 if (ai != null) { 3731 rebaseEnabledOverlays(ai, userId); 3732 ai.packageName = resolveExternalPackageNameLPr(p); 3733 } 3734 return ai; 3735 } 3736 if ("android".equals(packageName)||"system".equals(packageName)) { 3737 return mAndroidApplication; 3738 } 3739 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3740 // Already generates the external package name 3741 return generateApplicationInfoFromSettingsLPw(packageName, 3742 Binder.getCallingUid(), flags, userId); 3743 } 3744 } 3745 return null; 3746 } 3747 3748 private void rebaseEnabledOverlays(@NonNull ApplicationInfo ai, int userId) { 3749 List<String> paths = new ArrayList<>(); 3750 ArrayMap<String, ArrayList<String>> userSpecificOverlays = 3751 mEnabledOverlayPaths.get(userId); 3752 if (userSpecificOverlays != null) { 3753 if (!"android".equals(ai.packageName)) { 3754 ArrayList<String> frameworkOverlays = userSpecificOverlays.get("android"); 3755 if (frameworkOverlays != null) { 3756 paths.addAll(frameworkOverlays); 3757 } 3758 } 3759 3760 ArrayList<String> appOverlays = userSpecificOverlays.get(ai.packageName); 3761 if (appOverlays != null) { 3762 paths.addAll(appOverlays); 3763 } 3764 } 3765 ai.resourceDirs = paths.size() > 0 ? paths.toArray(new String[paths.size()]) : null; 3766 } 3767 3768 private String normalizePackageNameLPr(String packageName) { 3769 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 3770 return normalizedPackageName != null ? normalizedPackageName : packageName; 3771 } 3772 3773 @Override 3774 public void deletePreloadsFileCache() { 3775 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 3776 throw new SecurityException("Only system or settings may call deletePreloadsFileCache"); 3777 } 3778 File dir = Environment.getDataPreloadsFileCacheDirectory(); 3779 Slog.i(TAG, "Deleting preloaded file cache " + dir); 3780 FileUtils.deleteContents(dir); 3781 } 3782 3783 @Override 3784 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3785 final IPackageDataObserver observer) { 3786 mContext.enforceCallingOrSelfPermission( 3787 android.Manifest.permission.CLEAR_APP_CACHE, null); 3788 mHandler.post(() -> { 3789 boolean success = false; 3790 try { 3791 freeStorage(volumeUuid, freeStorageSize, 0); 3792 success = true; 3793 } catch (IOException e) { 3794 Slog.w(TAG, e); 3795 } 3796 if (observer != null) { 3797 try { 3798 observer.onRemoveCompleted(null, success); 3799 } catch (RemoteException e) { 3800 Slog.w(TAG, e); 3801 } 3802 } 3803 }); 3804 } 3805 3806 @Override 3807 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3808 final IntentSender pi) { 3809 mContext.enforceCallingOrSelfPermission( 3810 android.Manifest.permission.CLEAR_APP_CACHE, TAG); 3811 mHandler.post(() -> { 3812 boolean success = false; 3813 try { 3814 freeStorage(volumeUuid, freeStorageSize, 0); 3815 success = true; 3816 } catch (IOException e) { 3817 Slog.w(TAG, e); 3818 } 3819 if (pi != null) { 3820 try { 3821 pi.sendIntent(null, success ? 1 : 0, null, null, null); 3822 } catch (SendIntentException e) { 3823 Slog.w(TAG, e); 3824 } 3825 } 3826 }); 3827 } 3828 3829 /** 3830 * Blocking call to clear various types of cached data across the system 3831 * until the requested bytes are available. 3832 */ 3833 public void freeStorage(String volumeUuid, long bytes, int storageFlags) throws IOException { 3834 final StorageManager storage = mContext.getSystemService(StorageManager.class); 3835 final File file = storage.findPathForUuid(volumeUuid); 3836 if (file.getUsableSpace() >= bytes) return; 3837 3838 if (ENABLE_FREE_CACHE_V2) { 3839 final boolean aggressive = (storageFlags 3840 & StorageManager.FLAG_ALLOCATE_AGGRESSIVE) != 0; 3841 final boolean internalVolume = Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, 3842 volumeUuid); 3843 3844 // 1. Pre-flight to determine if we have any chance to succeed 3845 // 2. Consider preloaded data (after 1w honeymoon, unless aggressive) 3846 if (internalVolume && (aggressive || SystemProperties 3847 .getBoolean("persist.sys.preloads.file_cache_expired", false))) { 3848 deletePreloadsFileCache(); 3849 if (file.getUsableSpace() >= bytes) return; 3850 } 3851 3852 // 3. Consider parsed APK data (aggressive only) 3853 if (internalVolume && aggressive) { 3854 FileUtils.deleteContents(mCacheDir); 3855 if (file.getUsableSpace() >= bytes) return; 3856 } 3857 3858 // 4. Consider cached app data (above quotas) 3859 try { 3860 mInstaller.freeCache(volumeUuid, bytes, Installer.FLAG_FREE_CACHE_V2); 3861 } catch (InstallerException ignored) { 3862 } 3863 if (file.getUsableSpace() >= bytes) return; 3864 3865 // 5. Consider shared libraries with refcount=0 and age>2h 3866 // 6. Consider dexopt output (aggressive only) 3867 // 7. Consider ephemeral apps not used in last week 3868 3869 // 8. Consider cached app data (below quotas) 3870 try { 3871 mInstaller.freeCache(volumeUuid, bytes, Installer.FLAG_FREE_CACHE_V2 3872 | Installer.FLAG_FREE_CACHE_V2_DEFY_QUOTA); 3873 } catch (InstallerException ignored) { 3874 } 3875 if (file.getUsableSpace() >= bytes) return; 3876 3877 // 9. Consider DropBox entries 3878 // 10. Consider ephemeral cookies 3879 3880 } else { 3881 try { 3882 mInstaller.freeCache(volumeUuid, bytes, 0); 3883 } catch (InstallerException ignored) { 3884 } 3885 if (file.getUsableSpace() >= bytes) return; 3886 } 3887 3888 throw new IOException("Failed to free " + bytes + " on storage device at " + file); 3889 } 3890 3891 /** 3892 * Update given flags based on encryption status of current user. 3893 */ 3894 private int updateFlags(int flags, int userId) { 3895 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3896 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3897 // Caller expressed an explicit opinion about what encryption 3898 // aware/unaware components they want to see, so fall through and 3899 // give them what they want 3900 } else { 3901 // Caller expressed no opinion, so match based on user state 3902 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3903 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3904 } else { 3905 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3906 } 3907 } 3908 return flags; 3909 } 3910 3911 private UserManagerInternal getUserManagerInternal() { 3912 if (mUserManagerInternal == null) { 3913 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3914 } 3915 return mUserManagerInternal; 3916 } 3917 3918 private DeviceIdleController.LocalService getDeviceIdleController() { 3919 if (mDeviceIdleController == null) { 3920 mDeviceIdleController = 3921 LocalServices.getService(DeviceIdleController.LocalService.class); 3922 } 3923 return mDeviceIdleController; 3924 } 3925 3926 /** 3927 * Update given flags when being used to request {@link PackageInfo}. 3928 */ 3929 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3930 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 3931 boolean triaged = true; 3932 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3933 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3934 // Caller is asking for component details, so they'd better be 3935 // asking for specific encryption matching behavior, or be triaged 3936 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3937 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3938 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3939 triaged = false; 3940 } 3941 } 3942 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3943 | PackageManager.MATCH_SYSTEM_ONLY 3944 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3945 triaged = false; 3946 } 3947 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 3948 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 3949 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 3950 + Debug.getCallers(5)); 3951 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 3952 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 3953 // If the caller wants all packages and has a restricted profile associated with it, 3954 // then match all users. This is to make sure that launchers that need to access work 3955 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 3956 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 3957 flags |= PackageManager.MATCH_ANY_USER; 3958 } 3959 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3960 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3961 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3962 } 3963 return updateFlags(flags, userId); 3964 } 3965 3966 /** 3967 * Update given flags when being used to request {@link ApplicationInfo}. 3968 */ 3969 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3970 return updateFlagsForPackage(flags, userId, cookie); 3971 } 3972 3973 /** 3974 * Update given flags when being used to request {@link ComponentInfo}. 3975 */ 3976 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3977 if (cookie instanceof Intent) { 3978 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3979 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3980 } 3981 } 3982 3983 boolean triaged = true; 3984 // Caller is asking for component details, so they'd better be 3985 // asking for specific encryption matching behavior, or be triaged 3986 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3987 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3988 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3989 triaged = false; 3990 } 3991 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3992 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3993 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3994 } 3995 3996 return updateFlags(flags, userId); 3997 } 3998 3999 /** 4000 * Update given intent when being used to request {@link ResolveInfo}. 4001 */ 4002 private Intent updateIntentForResolve(Intent intent) { 4003 if (intent.getSelector() != null) { 4004 intent = intent.getSelector(); 4005 } 4006 if (DEBUG_PREFERRED) { 4007 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4008 } 4009 return intent; 4010 } 4011 4012 /** 4013 * Update given flags when being used to request {@link ResolveInfo}. 4014 * <p>Instant apps are resolved specially, depending upon context. Minimally, 4015 * {@code}flags{@code} must have the {@link PackageManager#MATCH_INSTANT} 4016 * flag set. However, this flag is only honoured in three circumstances: 4017 * <ul> 4018 * <li>when called from a system process</li> 4019 * <li>when the caller holds the permission {@code android.permission.ACCESS_INSTANT_APPS}</li> 4020 * <li>when resolution occurs to start an activity with a {@code android.intent.action.VIEW} 4021 * action and a {@code android.intent.category.BROWSABLE} category</li> 4022 * </ul> 4023 */ 4024 int updateFlagsForResolve(int flags, int userId, Intent intent, boolean includeInstantApp) { 4025 // Safe mode means we shouldn't match any third-party components 4026 if (mSafeMode) { 4027 flags |= PackageManager.MATCH_SYSTEM_ONLY; 4028 } 4029 final int callingUid = Binder.getCallingUid(); 4030 if (getInstantAppPackageName(callingUid) != null) { 4031 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 4032 flags |= PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4033 flags |= PackageManager.MATCH_INSTANT; 4034 } else { 4035 // Otherwise, prevent leaking ephemeral components 4036 final boolean isSpecialProcess = 4037 callingUid == Process.SYSTEM_UID 4038 || callingUid == Process.SHELL_UID 4039 || callingUid == 0; 4040 final boolean allowMatchInstant = 4041 (includeInstantApp 4042 && Intent.ACTION_VIEW.equals(intent.getAction()) 4043 && intent.hasCategory(Intent.CATEGORY_BROWSABLE) 4044 && hasWebURI(intent)) 4045 || isSpecialProcess 4046 || mContext.checkCallingOrSelfPermission( 4047 android.Manifest.permission.ACCESS_INSTANT_APPS) == PERMISSION_GRANTED; 4048 flags &= ~PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4049 if (!allowMatchInstant) { 4050 flags &= ~PackageManager.MATCH_INSTANT; 4051 } 4052 } 4053 return updateFlagsForComponent(flags, userId, intent /*cookie*/); 4054 } 4055 4056 @Override 4057 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 4058 if (!sUserManager.exists(userId)) return null; 4059 flags = updateFlagsForComponent(flags, userId, component); 4060 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4061 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 4062 synchronized (mPackages) { 4063 PackageParser.Activity a = mActivities.mActivities.get(component); 4064 4065 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 4066 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4067 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4068 if (ps == null) return null; 4069 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 4070 userId); 4071 } 4072 if (mResolveComponentName.equals(component)) { 4073 return PackageParser.generateActivityInfo(mResolveActivity, flags, 4074 new PackageUserState(), userId); 4075 } 4076 } 4077 return null; 4078 } 4079 4080 @Override 4081 public boolean activitySupportsIntent(ComponentName component, Intent intent, 4082 String resolvedType) { 4083 synchronized (mPackages) { 4084 if (component.equals(mResolveComponentName)) { 4085 // The resolver supports EVERYTHING! 4086 return true; 4087 } 4088 PackageParser.Activity a = mActivities.mActivities.get(component); 4089 if (a == null) { 4090 return false; 4091 } 4092 for (int i=0; i<a.intents.size(); i++) { 4093 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 4094 intent.getData(), intent.getCategories(), TAG) >= 0) { 4095 return true; 4096 } 4097 } 4098 return false; 4099 } 4100 } 4101 4102 @Override 4103 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 4104 if (!sUserManager.exists(userId)) return null; 4105 flags = updateFlagsForComponent(flags, userId, component); 4106 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4107 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 4108 synchronized (mPackages) { 4109 PackageParser.Activity a = mReceivers.mActivities.get(component); 4110 if (DEBUG_PACKAGE_INFO) Log.v( 4111 TAG, "getReceiverInfo " + component + ": " + a); 4112 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4113 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4114 if (ps == null) return null; 4115 ActivityInfo ri = PackageParser.generateActivityInfo(a, flags, 4116 ps.readUserState(userId), userId); 4117 if (ri != null) { 4118 rebaseEnabledOverlays(ri.applicationInfo, userId); 4119 } 4120 return ri; 4121 } 4122 } 4123 return null; 4124 } 4125 4126 @Override 4127 public ParceledListSlice<SharedLibraryInfo> getSharedLibraries(int flags, int userId) { 4128 if (!sUserManager.exists(userId)) return null; 4129 Preconditions.checkArgumentNonnegative(userId, "userId must be >= 0"); 4130 4131 flags = updateFlagsForPackage(flags, userId, null); 4132 4133 final boolean canSeeStaticLibraries = 4134 mContext.checkCallingOrSelfPermission(INSTALL_PACKAGES) 4135 == PERMISSION_GRANTED 4136 || mContext.checkCallingOrSelfPermission(DELETE_PACKAGES) 4137 == PERMISSION_GRANTED 4138 || mContext.checkCallingOrSelfPermission(REQUEST_INSTALL_PACKAGES) 4139 == PERMISSION_GRANTED 4140 || mContext.checkCallingOrSelfPermission(REQUEST_DELETE_PACKAGES) 4141 == PERMISSION_GRANTED; 4142 4143 synchronized (mPackages) { 4144 List<SharedLibraryInfo> result = null; 4145 4146 final int libCount = mSharedLibraries.size(); 4147 for (int i = 0; i < libCount; i++) { 4148 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4149 if (versionedLib == null) { 4150 continue; 4151 } 4152 4153 final int versionCount = versionedLib.size(); 4154 for (int j = 0; j < versionCount; j++) { 4155 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4156 if (!canSeeStaticLibraries && libInfo.isStatic()) { 4157 break; 4158 } 4159 final long identity = Binder.clearCallingIdentity(); 4160 try { 4161 // TODO: We will change version code to long, so in the new API it is long 4162 PackageInfo packageInfo = getPackageInfoVersioned( 4163 libInfo.getDeclaringPackage(), flags, userId); 4164 if (packageInfo == null) { 4165 continue; 4166 } 4167 } finally { 4168 Binder.restoreCallingIdentity(identity); 4169 } 4170 4171 SharedLibraryInfo resLibInfo = new SharedLibraryInfo(libInfo.getName(), 4172 libInfo.getVersion(), libInfo.getType(), libInfo.getDeclaringPackage(), 4173 getPackagesUsingSharedLibraryLPr(libInfo, flags, userId)); 4174 4175 if (result == null) { 4176 result = new ArrayList<>(); 4177 } 4178 result.add(resLibInfo); 4179 } 4180 } 4181 4182 return result != null ? new ParceledListSlice<>(result) : null; 4183 } 4184 } 4185 4186 private List<VersionedPackage> getPackagesUsingSharedLibraryLPr( 4187 SharedLibraryInfo libInfo, int flags, int userId) { 4188 List<VersionedPackage> versionedPackages = null; 4189 final int packageCount = mSettings.mPackages.size(); 4190 for (int i = 0; i < packageCount; i++) { 4191 PackageSetting ps = mSettings.mPackages.valueAt(i); 4192 4193 if (ps == null) { 4194 continue; 4195 } 4196 4197 if (!ps.getUserState().get(userId).isAvailable(flags)) { 4198 continue; 4199 } 4200 4201 final String libName = libInfo.getName(); 4202 if (libInfo.isStatic()) { 4203 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 4204 if (libIdx < 0) { 4205 continue; 4206 } 4207 if (ps.usesStaticLibrariesVersions[libIdx] != libInfo.getVersion()) { 4208 continue; 4209 } 4210 if (versionedPackages == null) { 4211 versionedPackages = new ArrayList<>(); 4212 } 4213 // If the dependent is a static shared lib, use the public package name 4214 String dependentPackageName = ps.name; 4215 if (ps.pkg != null && ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4216 dependentPackageName = ps.pkg.manifestPackageName; 4217 } 4218 versionedPackages.add(new VersionedPackage(dependentPackageName, ps.versionCode)); 4219 } else if (ps.pkg != null) { 4220 if (ArrayUtils.contains(ps.pkg.usesLibraries, libName) 4221 || ArrayUtils.contains(ps.pkg.usesOptionalLibraries, libName)) { 4222 if (versionedPackages == null) { 4223 versionedPackages = new ArrayList<>(); 4224 } 4225 versionedPackages.add(new VersionedPackage(ps.name, ps.versionCode)); 4226 } 4227 } 4228 } 4229 4230 return versionedPackages; 4231 } 4232 4233 @Override 4234 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 4235 if (!sUserManager.exists(userId)) return null; 4236 flags = updateFlagsForComponent(flags, userId, component); 4237 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4238 false /* requireFullPermission */, false /* checkShell */, "get service info"); 4239 synchronized (mPackages) { 4240 PackageParser.Service s = mServices.mServices.get(component); 4241 if (DEBUG_PACKAGE_INFO) Log.v( 4242 TAG, "getServiceInfo " + component + ": " + s); 4243 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 4244 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4245 if (ps == null) return null; 4246 ServiceInfo si = PackageParser.generateServiceInfo(s, flags, 4247 ps.readUserState(userId), userId); 4248 if (si != null) { 4249 rebaseEnabledOverlays(si.applicationInfo, userId); 4250 } 4251 return si; 4252 } 4253 } 4254 return null; 4255 } 4256 4257 @Override 4258 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 4259 if (!sUserManager.exists(userId)) return null; 4260 flags = updateFlagsForComponent(flags, userId, component); 4261 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4262 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 4263 synchronized (mPackages) { 4264 PackageParser.Provider p = mProviders.mProviders.get(component); 4265 if (DEBUG_PACKAGE_INFO) Log.v( 4266 TAG, "getProviderInfo " + component + ": " + p); 4267 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 4268 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4269 if (ps == null) return null; 4270 ProviderInfo pi = PackageParser.generateProviderInfo(p, flags, 4271 ps.readUserState(userId), userId); 4272 if (pi != null) { 4273 rebaseEnabledOverlays(pi.applicationInfo, userId); 4274 } 4275 return pi; 4276 } 4277 } 4278 return null; 4279 } 4280 4281 @Override 4282 public String[] getSystemSharedLibraryNames() { 4283 synchronized (mPackages) { 4284 Set<String> libs = null; 4285 final int libCount = mSharedLibraries.size(); 4286 for (int i = 0; i < libCount; i++) { 4287 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4288 if (versionedLib == null) { 4289 continue; 4290 } 4291 final int versionCount = versionedLib.size(); 4292 for (int j = 0; j < versionCount; j++) { 4293 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 4294 if (!libEntry.info.isStatic()) { 4295 if (libs == null) { 4296 libs = new ArraySet<>(); 4297 } 4298 libs.add(libEntry.info.getName()); 4299 break; 4300 } 4301 PackageSetting ps = mSettings.getPackageLPr(libEntry.apk); 4302 if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(), 4303 UserHandle.getUserId(Binder.getCallingUid()))) { 4304 if (libs == null) { 4305 libs = new ArraySet<>(); 4306 } 4307 libs.add(libEntry.info.getName()); 4308 break; 4309 } 4310 } 4311 } 4312 4313 if (libs != null) { 4314 String[] libsArray = new String[libs.size()]; 4315 libs.toArray(libsArray); 4316 return libsArray; 4317 } 4318 4319 return null; 4320 } 4321 } 4322 4323 @Override 4324 public @NonNull String getServicesSystemSharedLibraryPackageName() { 4325 synchronized (mPackages) { 4326 return mServicesSystemSharedLibraryPackageName; 4327 } 4328 } 4329 4330 @Override 4331 public @NonNull String getSharedSystemSharedLibraryPackageName() { 4332 synchronized (mPackages) { 4333 return mSharedSystemSharedLibraryPackageName; 4334 } 4335 } 4336 4337 private void updateSequenceNumberLP(String packageName, int[] userList) { 4338 for (int i = userList.length - 1; i >= 0; --i) { 4339 final int userId = userList[i]; 4340 SparseArray<String> changedPackages = mChangedPackages.get(userId); 4341 if (changedPackages == null) { 4342 changedPackages = new SparseArray<>(); 4343 mChangedPackages.put(userId, changedPackages); 4344 } 4345 Map<String, Integer> sequenceNumbers = mChangedPackagesSequenceNumbers.get(userId); 4346 if (sequenceNumbers == null) { 4347 sequenceNumbers = new HashMap<>(); 4348 mChangedPackagesSequenceNumbers.put(userId, sequenceNumbers); 4349 } 4350 final Integer sequenceNumber = sequenceNumbers.get(packageName); 4351 if (sequenceNumber != null) { 4352 changedPackages.remove(sequenceNumber); 4353 } 4354 changedPackages.put(mChangedPackagesSequenceNumber, packageName); 4355 sequenceNumbers.put(packageName, mChangedPackagesSequenceNumber); 4356 } 4357 mChangedPackagesSequenceNumber++; 4358 } 4359 4360 @Override 4361 public ChangedPackages getChangedPackages(int sequenceNumber, int userId) { 4362 synchronized (mPackages) { 4363 if (sequenceNumber >= mChangedPackagesSequenceNumber) { 4364 return null; 4365 } 4366 final SparseArray<String> changedPackages = mChangedPackages.get(userId); 4367 if (changedPackages == null) { 4368 return null; 4369 } 4370 final List<String> packageNames = 4371 new ArrayList<>(mChangedPackagesSequenceNumber - sequenceNumber); 4372 for (int i = sequenceNumber; i < mChangedPackagesSequenceNumber; i++) { 4373 final String packageName = changedPackages.get(i); 4374 if (packageName != null) { 4375 packageNames.add(packageName); 4376 } 4377 } 4378 return packageNames.isEmpty() 4379 ? null : new ChangedPackages(mChangedPackagesSequenceNumber, packageNames); 4380 } 4381 } 4382 4383 @Override 4384 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 4385 ArrayList<FeatureInfo> res; 4386 synchronized (mAvailableFeatures) { 4387 res = new ArrayList<>(mAvailableFeatures.size() + 1); 4388 res.addAll(mAvailableFeatures.values()); 4389 } 4390 final FeatureInfo fi = new FeatureInfo(); 4391 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 4392 FeatureInfo.GL_ES_VERSION_UNDEFINED); 4393 res.add(fi); 4394 4395 return new ParceledListSlice<>(res); 4396 } 4397 4398 @Override 4399 public boolean hasSystemFeature(String name, int version) { 4400 synchronized (mAvailableFeatures) { 4401 final FeatureInfo feat = mAvailableFeatures.get(name); 4402 if (feat == null) { 4403 return false; 4404 } else { 4405 return feat.version >= version; 4406 } 4407 } 4408 } 4409 4410 @Override 4411 public int checkPermission(String permName, String pkgName, int userId) { 4412 if (!sUserManager.exists(userId)) { 4413 return PackageManager.PERMISSION_DENIED; 4414 } 4415 4416 synchronized (mPackages) { 4417 final PackageParser.Package p = mPackages.get(pkgName); 4418 if (p != null && p.mExtras != null) { 4419 final PackageSetting ps = (PackageSetting) p.mExtras; 4420 final PermissionsState permissionsState = ps.getPermissionsState(); 4421 if (permissionsState.hasPermission(permName, userId)) { 4422 return PackageManager.PERMISSION_GRANTED; 4423 } 4424 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4425 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4426 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4427 return PackageManager.PERMISSION_GRANTED; 4428 } 4429 } 4430 } 4431 4432 return PackageManager.PERMISSION_DENIED; 4433 } 4434 4435 @Override 4436 public int checkUidPermission(String permName, int uid) { 4437 final int userId = UserHandle.getUserId(uid); 4438 4439 if (!sUserManager.exists(userId)) { 4440 return PackageManager.PERMISSION_DENIED; 4441 } 4442 4443 synchronized (mPackages) { 4444 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4445 if (obj != null) { 4446 final SettingBase ps = (SettingBase) obj; 4447 final PermissionsState permissionsState = ps.getPermissionsState(); 4448 if (permissionsState.hasPermission(permName, userId)) { 4449 return PackageManager.PERMISSION_GRANTED; 4450 } 4451 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4452 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4453 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4454 return PackageManager.PERMISSION_GRANTED; 4455 } 4456 } else { 4457 ArraySet<String> perms = mSystemPermissions.get(uid); 4458 if (perms != null) { 4459 if (perms.contains(permName)) { 4460 return PackageManager.PERMISSION_GRANTED; 4461 } 4462 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 4463 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 4464 return PackageManager.PERMISSION_GRANTED; 4465 } 4466 } 4467 } 4468 } 4469 4470 return PackageManager.PERMISSION_DENIED; 4471 } 4472 4473 @Override 4474 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 4475 if (UserHandle.getCallingUserId() != userId) { 4476 mContext.enforceCallingPermission( 4477 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4478 "isPermissionRevokedByPolicy for user " + userId); 4479 } 4480 4481 if (checkPermission(permission, packageName, userId) 4482 == PackageManager.PERMISSION_GRANTED) { 4483 return false; 4484 } 4485 4486 final long identity = Binder.clearCallingIdentity(); 4487 try { 4488 final int flags = getPermissionFlags(permission, packageName, userId); 4489 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 4490 } finally { 4491 Binder.restoreCallingIdentity(identity); 4492 } 4493 } 4494 4495 @Override 4496 public String getPermissionControllerPackageName() { 4497 synchronized (mPackages) { 4498 return mRequiredInstallerPackage; 4499 } 4500 } 4501 4502 /** 4503 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 4504 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 4505 * @param checkShell whether to prevent shell from access if there's a debugging restriction 4506 * @param message the message to log on security exception 4507 */ 4508 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 4509 boolean checkShell, String message) { 4510 if (userId < 0) { 4511 throw new IllegalArgumentException("Invalid userId " + userId); 4512 } 4513 if (checkShell) { 4514 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 4515 } 4516 if (userId == UserHandle.getUserId(callingUid)) return; 4517 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4518 if (requireFullPermission) { 4519 mContext.enforceCallingOrSelfPermission( 4520 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4521 } else { 4522 try { 4523 mContext.enforceCallingOrSelfPermission( 4524 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4525 } catch (SecurityException se) { 4526 mContext.enforceCallingOrSelfPermission( 4527 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 4528 } 4529 } 4530 } 4531 } 4532 4533 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 4534 if (callingUid == Process.SHELL_UID) { 4535 if (userHandle >= 0 4536 && sUserManager.hasUserRestriction(restriction, userHandle)) { 4537 throw new SecurityException("Shell does not have permission to access user " 4538 + userHandle); 4539 } else if (userHandle < 0) { 4540 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 4541 + Debug.getCallers(3)); 4542 } 4543 } 4544 } 4545 4546 private BasePermission findPermissionTreeLP(String permName) { 4547 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 4548 if (permName.startsWith(bp.name) && 4549 permName.length() > bp.name.length() && 4550 permName.charAt(bp.name.length()) == '.') { 4551 return bp; 4552 } 4553 } 4554 return null; 4555 } 4556 4557 private BasePermission checkPermissionTreeLP(String permName) { 4558 if (permName != null) { 4559 BasePermission bp = findPermissionTreeLP(permName); 4560 if (bp != null) { 4561 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 4562 return bp; 4563 } 4564 throw new SecurityException("Calling uid " 4565 + Binder.getCallingUid() 4566 + " is not allowed to add to permission tree " 4567 + bp.name + " owned by uid " + bp.uid); 4568 } 4569 } 4570 throw new SecurityException("No permission tree found for " + permName); 4571 } 4572 4573 static boolean compareStrings(CharSequence s1, CharSequence s2) { 4574 if (s1 == null) { 4575 return s2 == null; 4576 } 4577 if (s2 == null) { 4578 return false; 4579 } 4580 if (s1.getClass() != s2.getClass()) { 4581 return false; 4582 } 4583 return s1.equals(s2); 4584 } 4585 4586 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 4587 if (pi1.icon != pi2.icon) return false; 4588 if (pi1.logo != pi2.logo) return false; 4589 if (pi1.protectionLevel != pi2.protectionLevel) return false; 4590 if (!compareStrings(pi1.name, pi2.name)) return false; 4591 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 4592 // We'll take care of setting this one. 4593 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 4594 // These are not currently stored in settings. 4595 //if (!compareStrings(pi1.group, pi2.group)) return false; 4596 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 4597 //if (pi1.labelRes != pi2.labelRes) return false; 4598 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 4599 return true; 4600 } 4601 4602 int permissionInfoFootprint(PermissionInfo info) { 4603 int size = info.name.length(); 4604 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4605 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4606 return size; 4607 } 4608 4609 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4610 int size = 0; 4611 for (BasePermission perm : mSettings.mPermissions.values()) { 4612 if (perm.uid == tree.uid) { 4613 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4614 } 4615 } 4616 return size; 4617 } 4618 4619 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4620 // We calculate the max size of permissions defined by this uid and throw 4621 // if that plus the size of 'info' would exceed our stated maximum. 4622 if (tree.uid != Process.SYSTEM_UID) { 4623 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4624 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4625 throw new SecurityException("Permission tree size cap exceeded"); 4626 } 4627 } 4628 } 4629 4630 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4631 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4632 throw new SecurityException("Label must be specified in permission"); 4633 } 4634 BasePermission tree = checkPermissionTreeLP(info.name); 4635 BasePermission bp = mSettings.mPermissions.get(info.name); 4636 boolean added = bp == null; 4637 boolean changed = true; 4638 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4639 if (added) { 4640 enforcePermissionCapLocked(info, tree); 4641 bp = new BasePermission(info.name, tree.sourcePackage, 4642 BasePermission.TYPE_DYNAMIC); 4643 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4644 throw new SecurityException( 4645 "Not allowed to modify non-dynamic permission " 4646 + info.name); 4647 } else { 4648 if (bp.protectionLevel == fixedLevel 4649 && bp.perm.owner.equals(tree.perm.owner) 4650 && bp.uid == tree.uid 4651 && comparePermissionInfos(bp.perm.info, info)) { 4652 changed = false; 4653 } 4654 } 4655 bp.protectionLevel = fixedLevel; 4656 info = new PermissionInfo(info); 4657 info.protectionLevel = fixedLevel; 4658 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4659 bp.perm.info.packageName = tree.perm.info.packageName; 4660 bp.uid = tree.uid; 4661 if (added) { 4662 mSettings.mPermissions.put(info.name, bp); 4663 } 4664 if (changed) { 4665 if (!async) { 4666 mSettings.writeLPr(); 4667 } else { 4668 scheduleWriteSettingsLocked(); 4669 } 4670 } 4671 return added; 4672 } 4673 4674 @Override 4675 public boolean addPermission(PermissionInfo info) { 4676 synchronized (mPackages) { 4677 return addPermissionLocked(info, false); 4678 } 4679 } 4680 4681 @Override 4682 public boolean addPermissionAsync(PermissionInfo info) { 4683 synchronized (mPackages) { 4684 return addPermissionLocked(info, true); 4685 } 4686 } 4687 4688 @Override 4689 public void removePermission(String name) { 4690 synchronized (mPackages) { 4691 checkPermissionTreeLP(name); 4692 BasePermission bp = mSettings.mPermissions.get(name); 4693 if (bp != null) { 4694 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4695 throw new SecurityException( 4696 "Not allowed to modify non-dynamic permission " 4697 + name); 4698 } 4699 mSettings.mPermissions.remove(name); 4700 mSettings.writeLPr(); 4701 } 4702 } 4703 } 4704 4705 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4706 BasePermission bp) { 4707 int index = pkg.requestedPermissions.indexOf(bp.name); 4708 if (index == -1) { 4709 throw new SecurityException("Package " + pkg.packageName 4710 + " has not requested permission " + bp.name); 4711 } 4712 if (!bp.isRuntime() && !bp.isDevelopment()) { 4713 throw new SecurityException("Permission " + bp.name 4714 + " is not a changeable permission type"); 4715 } 4716 } 4717 4718 @Override 4719 public void grantRuntimePermission(String packageName, String name, final int userId) { 4720 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4721 } 4722 4723 private void grantRuntimePermission(String packageName, String name, final int userId, 4724 boolean overridePolicy) { 4725 if (!sUserManager.exists(userId)) { 4726 Log.e(TAG, "No such user:" + userId); 4727 return; 4728 } 4729 4730 mContext.enforceCallingOrSelfPermission( 4731 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4732 "grantRuntimePermission"); 4733 4734 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4735 true /* requireFullPermission */, true /* checkShell */, 4736 "grantRuntimePermission"); 4737 4738 final int uid; 4739 final SettingBase sb; 4740 4741 synchronized (mPackages) { 4742 final PackageParser.Package pkg = mPackages.get(packageName); 4743 if (pkg == null) { 4744 throw new IllegalArgumentException("Unknown package: " + packageName); 4745 } 4746 4747 final BasePermission bp = mSettings.mPermissions.get(name); 4748 if (bp == null) { 4749 throw new IllegalArgumentException("Unknown permission: " + name); 4750 } 4751 4752 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4753 4754 // If a permission review is required for legacy apps we represent 4755 // their permissions as always granted runtime ones since we need 4756 // to keep the review required permission flag per user while an 4757 // install permission's state is shared across all users. 4758 if (mPermissionReviewRequired 4759 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4760 && bp.isRuntime()) { 4761 return; 4762 } 4763 4764 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4765 sb = (SettingBase) pkg.mExtras; 4766 if (sb == null) { 4767 throw new IllegalArgumentException("Unknown package: " + packageName); 4768 } 4769 4770 final PermissionsState permissionsState = sb.getPermissionsState(); 4771 4772 final int flags = permissionsState.getPermissionFlags(name, userId); 4773 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4774 throw new SecurityException("Cannot grant system fixed permission " 4775 + name + " for package " + packageName); 4776 } 4777 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4778 throw new SecurityException("Cannot grant policy fixed permission " 4779 + name + " for package " + packageName); 4780 } 4781 4782 if (bp.isDevelopment()) { 4783 // Development permissions must be handled specially, since they are not 4784 // normal runtime permissions. For now they apply to all users. 4785 if (permissionsState.grantInstallPermission(bp) != 4786 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4787 scheduleWriteSettingsLocked(); 4788 } 4789 return; 4790 } 4791 4792 final PackageSetting ps = mSettings.mPackages.get(packageName); 4793 if (ps.getInstantApp(userId) && !bp.isInstant()) { 4794 throw new SecurityException("Cannot grant non-ephemeral permission" 4795 + name + " for package " + packageName); 4796 } 4797 4798 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4799 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4800 return; 4801 } 4802 4803 final int result = permissionsState.grantRuntimePermission(bp, userId); 4804 switch (result) { 4805 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4806 return; 4807 } 4808 4809 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4810 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4811 mHandler.post(new Runnable() { 4812 @Override 4813 public void run() { 4814 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4815 } 4816 }); 4817 } 4818 break; 4819 } 4820 4821 if (bp.isRuntime()) { 4822 logPermissionGranted(mContext, name, packageName); 4823 } 4824 4825 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4826 4827 // Not critical if that is lost - app has to request again. 4828 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4829 } 4830 4831 // Only need to do this if user is initialized. Otherwise it's a new user 4832 // and there are no processes running as the user yet and there's no need 4833 // to make an expensive call to remount processes for the changed permissions. 4834 if (READ_EXTERNAL_STORAGE.equals(name) 4835 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4836 final long token = Binder.clearCallingIdentity(); 4837 try { 4838 if (sUserManager.isInitialized(userId)) { 4839 StorageManagerInternal storageManagerInternal = LocalServices.getService( 4840 StorageManagerInternal.class); 4841 storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); 4842 } 4843 } finally { 4844 Binder.restoreCallingIdentity(token); 4845 } 4846 } 4847 } 4848 4849 @Override 4850 public void revokeRuntimePermission(String packageName, String name, int userId) { 4851 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4852 } 4853 4854 private void revokeRuntimePermission(String packageName, String name, int userId, 4855 boolean overridePolicy) { 4856 if (!sUserManager.exists(userId)) { 4857 Log.e(TAG, "No such user:" + userId); 4858 return; 4859 } 4860 4861 mContext.enforceCallingOrSelfPermission( 4862 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4863 "revokeRuntimePermission"); 4864 4865 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4866 true /* requireFullPermission */, true /* checkShell */, 4867 "revokeRuntimePermission"); 4868 4869 final int appId; 4870 4871 synchronized (mPackages) { 4872 final PackageParser.Package pkg = mPackages.get(packageName); 4873 if (pkg == null) { 4874 throw new IllegalArgumentException("Unknown package: " + packageName); 4875 } 4876 4877 final BasePermission bp = mSettings.mPermissions.get(name); 4878 if (bp == null) { 4879 throw new IllegalArgumentException("Unknown permission: " + name); 4880 } 4881 4882 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4883 4884 // If a permission review is required for legacy apps we represent 4885 // their permissions as always granted runtime ones since we need 4886 // to keep the review required permission flag per user while an 4887 // install permission's state is shared across all users. 4888 if (mPermissionReviewRequired 4889 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4890 && bp.isRuntime()) { 4891 return; 4892 } 4893 4894 SettingBase sb = (SettingBase) pkg.mExtras; 4895 if (sb == null) { 4896 throw new IllegalArgumentException("Unknown package: " + packageName); 4897 } 4898 4899 final PermissionsState permissionsState = sb.getPermissionsState(); 4900 4901 final int flags = permissionsState.getPermissionFlags(name, userId); 4902 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4903 throw new SecurityException("Cannot revoke system fixed permission " 4904 + name + " for package " + packageName); 4905 } 4906 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4907 throw new SecurityException("Cannot revoke policy fixed permission " 4908 + name + " for package " + packageName); 4909 } 4910 4911 if (bp.isDevelopment()) { 4912 // Development permissions must be handled specially, since they are not 4913 // normal runtime permissions. For now they apply to all users. 4914 if (permissionsState.revokeInstallPermission(bp) != 4915 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4916 scheduleWriteSettingsLocked(); 4917 } 4918 return; 4919 } 4920 4921 if (permissionsState.revokeRuntimePermission(bp, userId) == 4922 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4923 return; 4924 } 4925 4926 if (bp.isRuntime()) { 4927 logPermissionRevoked(mContext, name, packageName); 4928 } 4929 4930 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4931 4932 // Critical, after this call app should never have the permission. 4933 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4934 4935 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4936 } 4937 4938 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4939 } 4940 4941 /** 4942 * Get the first event id for the permission. 4943 * 4944 * <p>There are four events for each permission: <ul> 4945 * <li>Request permission: first id + 0</li> 4946 * <li>Grant permission: first id + 1</li> 4947 * <li>Request for permission denied: first id + 2</li> 4948 * <li>Revoke permission: first id + 3</li> 4949 * </ul></p> 4950 * 4951 * @param name name of the permission 4952 * 4953 * @return The first event id for the permission 4954 */ 4955 private static int getBaseEventId(@NonNull String name) { 4956 int eventIdIndex = ALL_DANGEROUS_PERMISSIONS.indexOf(name); 4957 4958 if (eventIdIndex == -1) { 4959 if (AppOpsManager.permissionToOpCode(name) == AppOpsManager.OP_NONE 4960 || "user".equals(Build.TYPE)) { 4961 Log.i(TAG, "Unknown permission " + name); 4962 4963 return MetricsEvent.ACTION_PERMISSION_REQUEST_UNKNOWN; 4964 } else { 4965 // Most likely #ALL_DANGEROUS_PERMISSIONS needs to be updated. 4966 // 4967 // Also update 4968 // - EventLogger#ALL_DANGEROUS_PERMISSIONS 4969 // - metrics_constants.proto 4970 throw new IllegalStateException("Unknown permission " + name); 4971 } 4972 } 4973 4974 return MetricsEvent.ACTION_PERMISSION_REQUEST_READ_CALENDAR + eventIdIndex * 4; 4975 } 4976 4977 /** 4978 * Log that a permission was revoked. 4979 * 4980 * @param context Context of the caller 4981 * @param name name of the permission 4982 * @param packageName package permission if for 4983 */ 4984 private static void logPermissionRevoked(@NonNull Context context, @NonNull String name, 4985 @NonNull String packageName) { 4986 MetricsLogger.action(context, getBaseEventId(name) + 3, packageName); 4987 } 4988 4989 /** 4990 * Log that a permission request was granted. 4991 * 4992 * @param context Context of the caller 4993 * @param name name of the permission 4994 * @param packageName package permission if for 4995 */ 4996 private static void logPermissionGranted(@NonNull Context context, @NonNull String name, 4997 @NonNull String packageName) { 4998 MetricsLogger.action(context, getBaseEventId(name) + 1, packageName); 4999 } 5000 5001 @Override 5002 public void resetRuntimePermissions() { 5003 mContext.enforceCallingOrSelfPermission( 5004 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 5005 "revokeRuntimePermission"); 5006 5007 int callingUid = Binder.getCallingUid(); 5008 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 5009 mContext.enforceCallingOrSelfPermission( 5010 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5011 "resetRuntimePermissions"); 5012 } 5013 5014 synchronized (mPackages) { 5015 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 5016 for (int userId : UserManagerService.getInstance().getUserIds()) { 5017 final int packageCount = mPackages.size(); 5018 for (int i = 0; i < packageCount; i++) { 5019 PackageParser.Package pkg = mPackages.valueAt(i); 5020 if (!(pkg.mExtras instanceof PackageSetting)) { 5021 continue; 5022 } 5023 PackageSetting ps = (PackageSetting) pkg.mExtras; 5024 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 5025 } 5026 } 5027 } 5028 } 5029 5030 @Override 5031 public int getPermissionFlags(String name, String packageName, int userId) { 5032 if (!sUserManager.exists(userId)) { 5033 return 0; 5034 } 5035 5036 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 5037 5038 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5039 true /* requireFullPermission */, false /* checkShell */, 5040 "getPermissionFlags"); 5041 5042 synchronized (mPackages) { 5043 final PackageParser.Package pkg = mPackages.get(packageName); 5044 if (pkg == null) { 5045 return 0; 5046 } 5047 5048 final BasePermission bp = mSettings.mPermissions.get(name); 5049 if (bp == null) { 5050 return 0; 5051 } 5052 5053 SettingBase sb = (SettingBase) pkg.mExtras; 5054 if (sb == null) { 5055 return 0; 5056 } 5057 5058 PermissionsState permissionsState = sb.getPermissionsState(); 5059 return permissionsState.getPermissionFlags(name, userId); 5060 } 5061 } 5062 5063 @Override 5064 public void updatePermissionFlags(String name, String packageName, int flagMask, 5065 int flagValues, int userId) { 5066 if (!sUserManager.exists(userId)) { 5067 return; 5068 } 5069 5070 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 5071 5072 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5073 true /* requireFullPermission */, true /* checkShell */, 5074 "updatePermissionFlags"); 5075 5076 // Only the system can change these flags and nothing else. 5077 if (getCallingUid() != Process.SYSTEM_UID) { 5078 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5079 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5080 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5081 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5082 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 5083 } 5084 5085 synchronized (mPackages) { 5086 final PackageParser.Package pkg = mPackages.get(packageName); 5087 if (pkg == null) { 5088 throw new IllegalArgumentException("Unknown package: " + packageName); 5089 } 5090 5091 final BasePermission bp = mSettings.mPermissions.get(name); 5092 if (bp == null) { 5093 throw new IllegalArgumentException("Unknown permission: " + name); 5094 } 5095 5096 SettingBase sb = (SettingBase) pkg.mExtras; 5097 if (sb == null) { 5098 throw new IllegalArgumentException("Unknown package: " + packageName); 5099 } 5100 5101 PermissionsState permissionsState = sb.getPermissionsState(); 5102 5103 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 5104 5105 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 5106 // Install and runtime permissions are stored in different places, 5107 // so figure out what permission changed and persist the change. 5108 if (permissionsState.getInstallPermissionState(name) != null) { 5109 scheduleWriteSettingsLocked(); 5110 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 5111 || hadState) { 5112 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5113 } 5114 } 5115 } 5116 } 5117 5118 /** 5119 * Update the permission flags for all packages and runtime permissions of a user in order 5120 * to allow device or profile owner to remove POLICY_FIXED. 5121 */ 5122 @Override 5123 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 5124 if (!sUserManager.exists(userId)) { 5125 return; 5126 } 5127 5128 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 5129 5130 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5131 true /* requireFullPermission */, true /* checkShell */, 5132 "updatePermissionFlagsForAllApps"); 5133 5134 // Only the system can change system fixed flags. 5135 if (getCallingUid() != Process.SYSTEM_UID) { 5136 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5137 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5138 } 5139 5140 synchronized (mPackages) { 5141 boolean changed = false; 5142 final int packageCount = mPackages.size(); 5143 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 5144 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 5145 SettingBase sb = (SettingBase) pkg.mExtras; 5146 if (sb == null) { 5147 continue; 5148 } 5149 PermissionsState permissionsState = sb.getPermissionsState(); 5150 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 5151 userId, flagMask, flagValues); 5152 } 5153 if (changed) { 5154 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5155 } 5156 } 5157 } 5158 5159 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 5160 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 5161 != PackageManager.PERMISSION_GRANTED 5162 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 5163 != PackageManager.PERMISSION_GRANTED) { 5164 throw new SecurityException(message + " requires " 5165 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 5166 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 5167 } 5168 } 5169 5170 @Override 5171 public boolean shouldShowRequestPermissionRationale(String permissionName, 5172 String packageName, int userId) { 5173 if (UserHandle.getCallingUserId() != userId) { 5174 mContext.enforceCallingPermission( 5175 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5176 "canShowRequestPermissionRationale for user " + userId); 5177 } 5178 5179 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 5180 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 5181 return false; 5182 } 5183 5184 if (checkPermission(permissionName, packageName, userId) 5185 == PackageManager.PERMISSION_GRANTED) { 5186 return false; 5187 } 5188 5189 final int flags; 5190 5191 final long identity = Binder.clearCallingIdentity(); 5192 try { 5193 flags = getPermissionFlags(permissionName, 5194 packageName, userId); 5195 } finally { 5196 Binder.restoreCallingIdentity(identity); 5197 } 5198 5199 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 5200 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 5201 | PackageManager.FLAG_PERMISSION_USER_FIXED; 5202 5203 if ((flags & fixedFlags) != 0) { 5204 return false; 5205 } 5206 5207 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 5208 } 5209 5210 @Override 5211 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5212 mContext.enforceCallingOrSelfPermission( 5213 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 5214 "addOnPermissionsChangeListener"); 5215 5216 synchronized (mPackages) { 5217 mOnPermissionChangeListeners.addListenerLocked(listener); 5218 } 5219 } 5220 5221 @Override 5222 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5223 synchronized (mPackages) { 5224 mOnPermissionChangeListeners.removeListenerLocked(listener); 5225 } 5226 } 5227 5228 @Override 5229 public boolean isProtectedBroadcast(String actionName) { 5230 synchronized (mPackages) { 5231 if (mProtectedBroadcasts.contains(actionName)) { 5232 return true; 5233 } else if (actionName != null) { 5234 // TODO: remove these terrible hacks 5235 if (actionName.startsWith("android.net.netmon.lingerExpired") 5236 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 5237 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 5238 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 5239 return true; 5240 } 5241 } 5242 } 5243 return false; 5244 } 5245 5246 @Override 5247 public int checkSignatures(String pkg1, String pkg2) { 5248 synchronized (mPackages) { 5249 final PackageParser.Package p1 = mPackages.get(pkg1); 5250 final PackageParser.Package p2 = mPackages.get(pkg2); 5251 if (p1 == null || p1.mExtras == null 5252 || p2 == null || p2.mExtras == null) { 5253 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5254 } 5255 return compareSignatures(p1.mSignatures, p2.mSignatures); 5256 } 5257 } 5258 5259 @Override 5260 public int checkUidSignatures(int uid1, int uid2) { 5261 // Map to base uids. 5262 uid1 = UserHandle.getAppId(uid1); 5263 uid2 = UserHandle.getAppId(uid2); 5264 // reader 5265 synchronized (mPackages) { 5266 Signature[] s1; 5267 Signature[] s2; 5268 Object obj = mSettings.getUserIdLPr(uid1); 5269 if (obj != null) { 5270 if (obj instanceof SharedUserSetting) { 5271 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 5272 } else if (obj instanceof PackageSetting) { 5273 s1 = ((PackageSetting)obj).signatures.mSignatures; 5274 } else { 5275 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5276 } 5277 } else { 5278 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5279 } 5280 obj = mSettings.getUserIdLPr(uid2); 5281 if (obj != null) { 5282 if (obj instanceof SharedUserSetting) { 5283 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 5284 } else if (obj instanceof PackageSetting) { 5285 s2 = ((PackageSetting)obj).signatures.mSignatures; 5286 } else { 5287 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5288 } 5289 } else { 5290 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5291 } 5292 return compareSignatures(s1, s2); 5293 } 5294 } 5295 5296 /** 5297 * This method should typically only be used when granting or revoking 5298 * permissions, since the app may immediately restart after this call. 5299 * <p> 5300 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 5301 * guard your work against the app being relaunched. 5302 */ 5303 private void killUid(int appId, int userId, String reason) { 5304 final long identity = Binder.clearCallingIdentity(); 5305 try { 5306 IActivityManager am = ActivityManager.getService(); 5307 if (am != null) { 5308 try { 5309 am.killUid(appId, userId, reason); 5310 } catch (RemoteException e) { 5311 /* ignore - same process */ 5312 } 5313 } 5314 } finally { 5315 Binder.restoreCallingIdentity(identity); 5316 } 5317 } 5318 5319 /** 5320 * Compares two sets of signatures. Returns: 5321 * <br /> 5322 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 5323 * <br /> 5324 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 5325 * <br /> 5326 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 5327 * <br /> 5328 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 5329 * <br /> 5330 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 5331 */ 5332 static int compareSignatures(Signature[] s1, Signature[] s2) { 5333 if (s1 == null) { 5334 return s2 == null 5335 ? PackageManager.SIGNATURE_NEITHER_SIGNED 5336 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 5337 } 5338 5339 if (s2 == null) { 5340 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 5341 } 5342 5343 if (s1.length != s2.length) { 5344 return PackageManager.SIGNATURE_NO_MATCH; 5345 } 5346 5347 // Since both signature sets are of size 1, we can compare without HashSets. 5348 if (s1.length == 1) { 5349 return s1[0].equals(s2[0]) ? 5350 PackageManager.SIGNATURE_MATCH : 5351 PackageManager.SIGNATURE_NO_MATCH; 5352 } 5353 5354 ArraySet<Signature> set1 = new ArraySet<Signature>(); 5355 for (Signature sig : s1) { 5356 set1.add(sig); 5357 } 5358 ArraySet<Signature> set2 = new ArraySet<Signature>(); 5359 for (Signature sig : s2) { 5360 set2.add(sig); 5361 } 5362 // Make sure s2 contains all signatures in s1. 5363 if (set1.equals(set2)) { 5364 return PackageManager.SIGNATURE_MATCH; 5365 } 5366 return PackageManager.SIGNATURE_NO_MATCH; 5367 } 5368 5369 /** 5370 * If the database version for this type of package (internal storage or 5371 * external storage) is less than the version where package signatures 5372 * were updated, return true. 5373 */ 5374 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5375 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5376 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 5377 } 5378 5379 /** 5380 * Used for backward compatibility to make sure any packages with 5381 * certificate chains get upgraded to the new style. {@code existingSigs} 5382 * will be in the old format (since they were stored on disk from before the 5383 * system upgrade) and {@code scannedSigs} will be in the newer format. 5384 */ 5385 private int compareSignaturesCompat(PackageSignatures existingSigs, 5386 PackageParser.Package scannedPkg) { 5387 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 5388 return PackageManager.SIGNATURE_NO_MATCH; 5389 } 5390 5391 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 5392 for (Signature sig : existingSigs.mSignatures) { 5393 existingSet.add(sig); 5394 } 5395 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 5396 for (Signature sig : scannedPkg.mSignatures) { 5397 try { 5398 Signature[] chainSignatures = sig.getChainSignatures(); 5399 for (Signature chainSig : chainSignatures) { 5400 scannedCompatSet.add(chainSig); 5401 } 5402 } catch (CertificateEncodingException e) { 5403 scannedCompatSet.add(sig); 5404 } 5405 } 5406 /* 5407 * Make sure the expanded scanned set contains all signatures in the 5408 * existing one. 5409 */ 5410 if (scannedCompatSet.equals(existingSet)) { 5411 // Migrate the old signatures to the new scheme. 5412 existingSigs.assignSignatures(scannedPkg.mSignatures); 5413 // The new KeySets will be re-added later in the scanning process. 5414 synchronized (mPackages) { 5415 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 5416 } 5417 return PackageManager.SIGNATURE_MATCH; 5418 } 5419 return PackageManager.SIGNATURE_NO_MATCH; 5420 } 5421 5422 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5423 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5424 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 5425 } 5426 5427 private int compareSignaturesRecover(PackageSignatures existingSigs, 5428 PackageParser.Package scannedPkg) { 5429 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 5430 return PackageManager.SIGNATURE_NO_MATCH; 5431 } 5432 5433 String msg = null; 5434 try { 5435 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 5436 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 5437 + scannedPkg.packageName); 5438 return PackageManager.SIGNATURE_MATCH; 5439 } 5440 } catch (CertificateException e) { 5441 msg = e.getMessage(); 5442 } 5443 5444 logCriticalInfo(Log.INFO, 5445 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 5446 return PackageManager.SIGNATURE_NO_MATCH; 5447 } 5448 5449 @Override 5450 public List<String> getAllPackages() { 5451 synchronized (mPackages) { 5452 return new ArrayList<String>(mPackages.keySet()); 5453 } 5454 } 5455 5456 @Override 5457 public String[] getPackagesForUid(int uid) { 5458 final int userId = UserHandle.getUserId(uid); 5459 uid = UserHandle.getAppId(uid); 5460 // reader 5461 synchronized (mPackages) { 5462 Object obj = mSettings.getUserIdLPr(uid); 5463 if (obj instanceof SharedUserSetting) { 5464 final SharedUserSetting sus = (SharedUserSetting) obj; 5465 final int N = sus.packages.size(); 5466 String[] res = new String[N]; 5467 final Iterator<PackageSetting> it = sus.packages.iterator(); 5468 int i = 0; 5469 while (it.hasNext()) { 5470 PackageSetting ps = it.next(); 5471 if (ps.getInstalled(userId)) { 5472 res[i++] = ps.name; 5473 } else { 5474 res = ArrayUtils.removeElement(String.class, res, res[i]); 5475 } 5476 } 5477 return res; 5478 } else if (obj instanceof PackageSetting) { 5479 final PackageSetting ps = (PackageSetting) obj; 5480 if (ps.getInstalled(userId)) { 5481 return new String[]{ps.name}; 5482 } 5483 } 5484 } 5485 return null; 5486 } 5487 5488 @Override 5489 public String getNameForUid(int uid) { 5490 // reader 5491 synchronized (mPackages) { 5492 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5493 if (obj instanceof SharedUserSetting) { 5494 final SharedUserSetting sus = (SharedUserSetting) obj; 5495 return sus.name + ":" + sus.userId; 5496 } else if (obj instanceof PackageSetting) { 5497 final PackageSetting ps = (PackageSetting) obj; 5498 return ps.name; 5499 } 5500 } 5501 return null; 5502 } 5503 5504 @Override 5505 public int getUidForSharedUser(String sharedUserName) { 5506 if(sharedUserName == null) { 5507 return -1; 5508 } 5509 // reader 5510 synchronized (mPackages) { 5511 SharedUserSetting suid; 5512 try { 5513 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5514 if (suid != null) { 5515 return suid.userId; 5516 } 5517 } catch (PackageManagerException ignore) { 5518 // can't happen, but, still need to catch it 5519 } 5520 return -1; 5521 } 5522 } 5523 5524 @Override 5525 public int getFlagsForUid(int uid) { 5526 synchronized (mPackages) { 5527 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5528 if (obj instanceof SharedUserSetting) { 5529 final SharedUserSetting sus = (SharedUserSetting) obj; 5530 return sus.pkgFlags; 5531 } else if (obj instanceof PackageSetting) { 5532 final PackageSetting ps = (PackageSetting) obj; 5533 return ps.pkgFlags; 5534 } 5535 } 5536 return 0; 5537 } 5538 5539 @Override 5540 public int getPrivateFlagsForUid(int uid) { 5541 synchronized (mPackages) { 5542 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5543 if (obj instanceof SharedUserSetting) { 5544 final SharedUserSetting sus = (SharedUserSetting) obj; 5545 return sus.pkgPrivateFlags; 5546 } else if (obj instanceof PackageSetting) { 5547 final PackageSetting ps = (PackageSetting) obj; 5548 return ps.pkgPrivateFlags; 5549 } 5550 } 5551 return 0; 5552 } 5553 5554 @Override 5555 public boolean isUidPrivileged(int uid) { 5556 uid = UserHandle.getAppId(uid); 5557 // reader 5558 synchronized (mPackages) { 5559 Object obj = mSettings.getUserIdLPr(uid); 5560 if (obj instanceof SharedUserSetting) { 5561 final SharedUserSetting sus = (SharedUserSetting) obj; 5562 final Iterator<PackageSetting> it = sus.packages.iterator(); 5563 while (it.hasNext()) { 5564 if (it.next().isPrivileged()) { 5565 return true; 5566 } 5567 } 5568 } else if (obj instanceof PackageSetting) { 5569 final PackageSetting ps = (PackageSetting) obj; 5570 return ps.isPrivileged(); 5571 } 5572 } 5573 return false; 5574 } 5575 5576 @Override 5577 public String[] getAppOpPermissionPackages(String permissionName) { 5578 synchronized (mPackages) { 5579 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 5580 if (pkgs == null) { 5581 return null; 5582 } 5583 return pkgs.toArray(new String[pkgs.size()]); 5584 } 5585 } 5586 5587 @Override 5588 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5589 int flags, int userId) { 5590 return resolveIntentInternal( 5591 intent, resolvedType, flags, userId, false /*includeInstantApp*/); 5592 } 5593 5594 private ResolveInfo resolveIntentInternal(Intent intent, String resolvedType, 5595 int flags, int userId, boolean includeInstantApp) { 5596 try { 5597 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5598 5599 if (!sUserManager.exists(userId)) return null; 5600 flags = updateFlagsForResolve(flags, userId, intent, includeInstantApp); 5601 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5602 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5603 5604 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5605 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5606 flags, userId, includeInstantApp); 5607 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5608 5609 final ResolveInfo bestChoice = 5610 chooseBestActivity(intent, resolvedType, flags, query, userId); 5611 return bestChoice; 5612 } finally { 5613 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5614 } 5615 } 5616 5617 @Override 5618 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 5619 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 5620 throw new SecurityException( 5621 "findPersistentPreferredActivity can only be run by the system"); 5622 } 5623 if (!sUserManager.exists(userId)) { 5624 return null; 5625 } 5626 intent = updateIntentForResolve(intent); 5627 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 5628 final int flags = updateFlagsForResolve(0, userId, intent, false); 5629 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5630 userId); 5631 synchronized (mPackages) { 5632 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 5633 userId); 5634 } 5635 } 5636 5637 @Override 5638 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 5639 IntentFilter filter, int match, ComponentName activity) { 5640 final int userId = UserHandle.getCallingUserId(); 5641 if (DEBUG_PREFERRED) { 5642 Log.v(TAG, "setLastChosenActivity intent=" + intent 5643 + " resolvedType=" + resolvedType 5644 + " flags=" + flags 5645 + " filter=" + filter 5646 + " match=" + match 5647 + " activity=" + activity); 5648 filter.dump(new PrintStreamPrinter(System.out), " "); 5649 } 5650 intent.setComponent(null); 5651 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5652 userId); 5653 // Find any earlier preferred or last chosen entries and nuke them 5654 findPreferredActivity(intent, resolvedType, 5655 flags, query, 0, false, true, false, userId); 5656 // Add the new activity as the last chosen for this filter 5657 addPreferredActivityInternal(filter, match, null, activity, false, userId, 5658 "Setting last chosen"); 5659 } 5660 5661 @Override 5662 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 5663 final int userId = UserHandle.getCallingUserId(); 5664 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 5665 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5666 userId); 5667 return findPreferredActivity(intent, resolvedType, flags, query, 0, 5668 false, false, false, userId); 5669 } 5670 5671 /** 5672 * Returns whether or not instant apps have been disabled remotely. 5673 * <p><em>IMPORTANT</em> This should not be called with the package manager lock 5674 * held. Otherwise we run the risk of deadlock. 5675 */ 5676 private boolean isEphemeralDisabled() { 5677 // ephemeral apps have been disabled across the board 5678 if (DISABLE_EPHEMERAL_APPS) { 5679 return true; 5680 } 5681 // system isn't up yet; can't read settings, so, assume no ephemeral apps 5682 if (!mSystemReady) { 5683 return true; 5684 } 5685 // we can't get a content resolver until the system is ready; these checks must happen last 5686 final ContentResolver resolver = mContext.getContentResolver(); 5687 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 5688 return true; 5689 } 5690 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 5691 } 5692 5693 private boolean isEphemeralAllowed( 5694 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 5695 boolean skipPackageCheck) { 5696 final int callingUser = UserHandle.getCallingUserId(); 5697 if (callingUser != UserHandle.USER_SYSTEM) { 5698 return false; 5699 } 5700 if (mInstantAppResolverConnection == null) { 5701 return false; 5702 } 5703 if (mInstantAppInstallerComponent == null) { 5704 return false; 5705 } 5706 if (intent.getComponent() != null) { 5707 return false; 5708 } 5709 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 5710 return false; 5711 } 5712 if (!skipPackageCheck && intent.getPackage() != null) { 5713 return false; 5714 } 5715 final boolean isWebUri = hasWebURI(intent); 5716 if (!isWebUri || intent.getData().getHost() == null) { 5717 return false; 5718 } 5719 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5720 // Or if there's already an ephemeral app installed that handles the action 5721 synchronized (mPackages) { 5722 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 5723 for (int n = 0; n < count; n++) { 5724 ResolveInfo info = resolvedActivities.get(n); 5725 String packageName = info.activityInfo.packageName; 5726 PackageSetting ps = mSettings.mPackages.get(packageName); 5727 if (ps != null) { 5728 // Try to get the status from User settings first 5729 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5730 int status = (int) (packedStatus >> 32); 5731 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5732 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5733 if (DEBUG_EPHEMERAL) { 5734 Slog.v(TAG, "DENY ephemeral apps;" 5735 + " pkg: " + packageName + ", status: " + status); 5736 } 5737 return false; 5738 } 5739 if (ps.getInstantApp(userId)) { 5740 if (DEBUG_EPHEMERAL) { 5741 Slog.v(TAG, "DENY instant app installed;" 5742 + " pkg: " + packageName); 5743 } 5744 return false; 5745 } 5746 } 5747 } 5748 } 5749 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5750 return true; 5751 } 5752 5753 private void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 5754 Intent origIntent, String resolvedType, String callingPackage, 5755 int userId) { 5756 final Message msg = mHandler.obtainMessage(INSTANT_APP_RESOLUTION_PHASE_TWO, 5757 new InstantAppRequest(responseObj, origIntent, resolvedType, 5758 callingPackage, userId)); 5759 mHandler.sendMessage(msg); 5760 } 5761 5762 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5763 int flags, List<ResolveInfo> query, int userId) { 5764 if (query != null) { 5765 final int N = query.size(); 5766 if (N == 1) { 5767 return query.get(0); 5768 } else if (N > 1) { 5769 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5770 // If there is more than one activity with the same priority, 5771 // then let the user decide between them. 5772 ResolveInfo r0 = query.get(0); 5773 ResolveInfo r1 = query.get(1); 5774 if (DEBUG_INTENT_MATCHING || debug) { 5775 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5776 + r1.activityInfo.name + "=" + r1.priority); 5777 } 5778 // If the first activity has a higher priority, or a different 5779 // default, then it is always desirable to pick it. 5780 if (r0.priority != r1.priority 5781 || r0.preferredOrder != r1.preferredOrder 5782 || r0.isDefault != r1.isDefault) { 5783 return query.get(0); 5784 } 5785 // If we have saved a preference for a preferred activity for 5786 // this Intent, use that. 5787 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5788 flags, query, r0.priority, true, false, debug, userId); 5789 if (ri != null) { 5790 return ri; 5791 } 5792 // If we have an ephemeral app, use it 5793 for (int i = 0; i < N; i++) { 5794 ri = query.get(i); 5795 if (ri.activityInfo.applicationInfo.isInstantApp()) { 5796 return ri; 5797 } 5798 } 5799 ri = new ResolveInfo(mResolveInfo); 5800 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5801 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5802 // If all of the options come from the same package, show the application's 5803 // label and icon instead of the generic resolver's. 5804 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5805 // and then throw away the ResolveInfo itself, meaning that the caller loses 5806 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5807 // a fallback for this case; we only set the target package's resources on 5808 // the ResolveInfo, not the ActivityInfo. 5809 final String intentPackage = intent.getPackage(); 5810 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5811 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5812 ri.resolvePackageName = intentPackage; 5813 if (userNeedsBadging(userId)) { 5814 ri.noResourceId = true; 5815 } else { 5816 ri.icon = appi.icon; 5817 } 5818 ri.iconResourceId = appi.icon; 5819 ri.labelRes = appi.labelRes; 5820 } 5821 ri.activityInfo.applicationInfo = new ApplicationInfo( 5822 ri.activityInfo.applicationInfo); 5823 if (userId != 0) { 5824 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5825 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5826 } 5827 // Make sure that the resolver is displayable in car mode 5828 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5829 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5830 return ri; 5831 } 5832 } 5833 return null; 5834 } 5835 5836 /** 5837 * Return true if the given list is not empty and all of its contents have 5838 * an activityInfo with the given package name. 5839 */ 5840 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5841 if (ArrayUtils.isEmpty(list)) { 5842 return false; 5843 } 5844 for (int i = 0, N = list.size(); i < N; i++) { 5845 final ResolveInfo ri = list.get(i); 5846 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5847 if (ai == null || !packageName.equals(ai.packageName)) { 5848 return false; 5849 } 5850 } 5851 return true; 5852 } 5853 5854 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5855 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5856 final int N = query.size(); 5857 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5858 .get(userId); 5859 // Get the list of persistent preferred activities that handle the intent 5860 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5861 List<PersistentPreferredActivity> pprefs = ppir != null 5862 ? ppir.queryIntent(intent, resolvedType, 5863 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5864 userId) 5865 : null; 5866 if (pprefs != null && pprefs.size() > 0) { 5867 final int M = pprefs.size(); 5868 for (int i=0; i<M; i++) { 5869 final PersistentPreferredActivity ppa = pprefs.get(i); 5870 if (DEBUG_PREFERRED || debug) { 5871 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5872 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5873 + "\n component=" + ppa.mComponent); 5874 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5875 } 5876 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5877 flags | MATCH_DISABLED_COMPONENTS, userId); 5878 if (DEBUG_PREFERRED || debug) { 5879 Slog.v(TAG, "Found persistent preferred activity:"); 5880 if (ai != null) { 5881 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5882 } else { 5883 Slog.v(TAG, " null"); 5884 } 5885 } 5886 if (ai == null) { 5887 // This previously registered persistent preferred activity 5888 // component is no longer known. Ignore it and do NOT remove it. 5889 continue; 5890 } 5891 for (int j=0; j<N; j++) { 5892 final ResolveInfo ri = query.get(j); 5893 if (!ri.activityInfo.applicationInfo.packageName 5894 .equals(ai.applicationInfo.packageName)) { 5895 continue; 5896 } 5897 if (!ri.activityInfo.name.equals(ai.name)) { 5898 continue; 5899 } 5900 // Found a persistent preference that can handle the intent. 5901 if (DEBUG_PREFERRED || debug) { 5902 Slog.v(TAG, "Returning persistent preferred activity: " + 5903 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5904 } 5905 return ri; 5906 } 5907 } 5908 } 5909 return null; 5910 } 5911 5912 // TODO: handle preferred activities missing while user has amnesia 5913 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5914 List<ResolveInfo> query, int priority, boolean always, 5915 boolean removeMatches, boolean debug, int userId) { 5916 if (!sUserManager.exists(userId)) return null; 5917 flags = updateFlagsForResolve(flags, userId, intent, false); 5918 intent = updateIntentForResolve(intent); 5919 // writer 5920 synchronized (mPackages) { 5921 // Try to find a matching persistent preferred activity. 5922 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5923 debug, userId); 5924 5925 // If a persistent preferred activity matched, use it. 5926 if (pri != null) { 5927 return pri; 5928 } 5929 5930 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5931 // Get the list of preferred activities that handle the intent 5932 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5933 List<PreferredActivity> prefs = pir != null 5934 ? pir.queryIntent(intent, resolvedType, 5935 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5936 userId) 5937 : null; 5938 if (prefs != null && prefs.size() > 0) { 5939 boolean changed = false; 5940 try { 5941 // First figure out how good the original match set is. 5942 // We will only allow preferred activities that came 5943 // from the same match quality. 5944 int match = 0; 5945 5946 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5947 5948 final int N = query.size(); 5949 for (int j=0; j<N; j++) { 5950 final ResolveInfo ri = query.get(j); 5951 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5952 + ": 0x" + Integer.toHexString(match)); 5953 if (ri.match > match) { 5954 match = ri.match; 5955 } 5956 } 5957 5958 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5959 + Integer.toHexString(match)); 5960 5961 match &= IntentFilter.MATCH_CATEGORY_MASK; 5962 final int M = prefs.size(); 5963 for (int i=0; i<M; i++) { 5964 final PreferredActivity pa = prefs.get(i); 5965 if (DEBUG_PREFERRED || debug) { 5966 Slog.v(TAG, "Checking PreferredActivity ds=" 5967 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5968 + "\n component=" + pa.mPref.mComponent); 5969 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5970 } 5971 if (pa.mPref.mMatch != match) { 5972 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5973 + Integer.toHexString(pa.mPref.mMatch)); 5974 continue; 5975 } 5976 // If it's not an "always" type preferred activity and that's what we're 5977 // looking for, skip it. 5978 if (always && !pa.mPref.mAlways) { 5979 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5980 continue; 5981 } 5982 final ActivityInfo ai = getActivityInfo( 5983 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5984 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5985 userId); 5986 if (DEBUG_PREFERRED || debug) { 5987 Slog.v(TAG, "Found preferred activity:"); 5988 if (ai != null) { 5989 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5990 } else { 5991 Slog.v(TAG, " null"); 5992 } 5993 } 5994 if (ai == null) { 5995 // This previously registered preferred activity 5996 // component is no longer known. Most likely an update 5997 // to the app was installed and in the new version this 5998 // component no longer exists. Clean it up by removing 5999 // it from the preferred activities list, and skip it. 6000 Slog.w(TAG, "Removing dangling preferred activity: " 6001 + pa.mPref.mComponent); 6002 pir.removeFilter(pa); 6003 changed = true; 6004 continue; 6005 } 6006 for (int j=0; j<N; j++) { 6007 final ResolveInfo ri = query.get(j); 6008 if (!ri.activityInfo.applicationInfo.packageName 6009 .equals(ai.applicationInfo.packageName)) { 6010 continue; 6011 } 6012 if (!ri.activityInfo.name.equals(ai.name)) { 6013 continue; 6014 } 6015 6016 if (removeMatches) { 6017 pir.removeFilter(pa); 6018 changed = true; 6019 if (DEBUG_PREFERRED) { 6020 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 6021 } 6022 break; 6023 } 6024 6025 // Okay we found a previously set preferred or last chosen app. 6026 // If the result set is different from when this 6027 // was created, we need to clear it and re-ask the 6028 // user their preference, if we're looking for an "always" type entry. 6029 if (always && !pa.mPref.sameSet(query)) { 6030 Slog.i(TAG, "Result set changed, dropping preferred activity for " 6031 + intent + " type " + resolvedType); 6032 if (DEBUG_PREFERRED) { 6033 Slog.v(TAG, "Removing preferred activity since set changed " 6034 + pa.mPref.mComponent); 6035 } 6036 pir.removeFilter(pa); 6037 // Re-add the filter as a "last chosen" entry (!always) 6038 PreferredActivity lastChosen = new PreferredActivity( 6039 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 6040 pir.addFilter(lastChosen); 6041 changed = true; 6042 return null; 6043 } 6044 6045 // Yay! Either the set matched or we're looking for the last chosen 6046 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 6047 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6048 return ri; 6049 } 6050 } 6051 } finally { 6052 if (changed) { 6053 if (DEBUG_PREFERRED) { 6054 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 6055 } 6056 scheduleWritePackageRestrictionsLocked(userId); 6057 } 6058 } 6059 } 6060 } 6061 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 6062 return null; 6063 } 6064 6065 /* 6066 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 6067 */ 6068 @Override 6069 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 6070 int targetUserId) { 6071 mContext.enforceCallingOrSelfPermission( 6072 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 6073 List<CrossProfileIntentFilter> matches = 6074 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 6075 if (matches != null) { 6076 int size = matches.size(); 6077 for (int i = 0; i < size; i++) { 6078 if (matches.get(i).getTargetUserId() == targetUserId) return true; 6079 } 6080 } 6081 if (hasWebURI(intent)) { 6082 // cross-profile app linking works only towards the parent. 6083 final UserInfo parent = getProfileParent(sourceUserId); 6084 synchronized(mPackages) { 6085 int flags = updateFlagsForResolve(0, parent.id, intent, false); 6086 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 6087 intent, resolvedType, flags, sourceUserId, parent.id); 6088 return xpDomainInfo != null; 6089 } 6090 } 6091 return false; 6092 } 6093 6094 private UserInfo getProfileParent(int userId) { 6095 final long identity = Binder.clearCallingIdentity(); 6096 try { 6097 return sUserManager.getProfileParent(userId); 6098 } finally { 6099 Binder.restoreCallingIdentity(identity); 6100 } 6101 } 6102 6103 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 6104 String resolvedType, int userId) { 6105 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 6106 if (resolver != null) { 6107 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, userId); 6108 } 6109 return null; 6110 } 6111 6112 @Override 6113 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 6114 String resolvedType, int flags, int userId) { 6115 try { 6116 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 6117 6118 return new ParceledListSlice<>( 6119 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 6120 } finally { 6121 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6122 } 6123 } 6124 6125 /** 6126 * Returns the package name of the calling Uid if it's an instant app. If it isn't 6127 * instant, returns {@code null}. 6128 */ 6129 private String getInstantAppPackageName(int callingUid) { 6130 // If the caller is an isolated app use the owner's uid for the lookup. 6131 if (Process.isIsolated(callingUid)) { 6132 callingUid = mIsolatedOwners.get(callingUid); 6133 } 6134 final int appId = UserHandle.getAppId(callingUid); 6135 synchronized (mPackages) { 6136 final Object obj = mSettings.getUserIdLPr(appId); 6137 if (obj instanceof PackageSetting) { 6138 final PackageSetting ps = (PackageSetting) obj; 6139 final boolean isInstantApp = ps.getInstantApp(UserHandle.getUserId(callingUid)); 6140 return isInstantApp ? ps.pkg.packageName : null; 6141 } 6142 } 6143 return null; 6144 } 6145 6146 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6147 String resolvedType, int flags, int userId) { 6148 return queryIntentActivitiesInternal(intent, resolvedType, flags, userId, false); 6149 } 6150 6151 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6152 String resolvedType, int flags, int userId, boolean includeInstantApp) { 6153 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6154 final String instantAppPkgName = getInstantAppPackageName(Binder.getCallingUid()); 6155 flags = updateFlagsForResolve(flags, userId, intent, includeInstantApp); 6156 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6157 false /* requireFullPermission */, false /* checkShell */, 6158 "query intent activities"); 6159 ComponentName comp = intent.getComponent(); 6160 if (comp == null) { 6161 if (intent.getSelector() != null) { 6162 intent = intent.getSelector(); 6163 comp = intent.getComponent(); 6164 } 6165 } 6166 6167 if (comp != null) { 6168 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6169 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 6170 if (ai != null) { 6171 // When specifying an explicit component, we prevent the activity from being 6172 // used when either 1) the calling package is normal and the activity is within 6173 // an ephemeral application or 2) the calling package is ephemeral and the 6174 // activity is not visible to ephemeral applications. 6175 final boolean matchInstantApp = 6176 (flags & PackageManager.MATCH_INSTANT) != 0; 6177 final boolean matchVisibleToInstantAppOnly = 6178 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 6179 final boolean isCallerInstantApp = 6180 instantAppPkgName != null; 6181 final boolean isTargetSameInstantApp = 6182 comp.getPackageName().equals(instantAppPkgName); 6183 final boolean isTargetInstantApp = 6184 (ai.applicationInfo.privateFlags 6185 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 6186 final boolean isTargetHiddenFromInstantApp = 6187 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0; 6188 final boolean blockResolution = 6189 !isTargetSameInstantApp 6190 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 6191 || (matchVisibleToInstantAppOnly && isCallerInstantApp 6192 && isTargetHiddenFromInstantApp)); 6193 if (!blockResolution) { 6194 final ResolveInfo ri = new ResolveInfo(); 6195 ri.activityInfo = ai; 6196 list.add(ri); 6197 } 6198 } 6199 return applyPostResolutionFilter(list, instantAppPkgName); 6200 } 6201 6202 // reader 6203 boolean sortResult = false; 6204 boolean addEphemeral = false; 6205 List<ResolveInfo> result; 6206 final String pkgName = intent.getPackage(); 6207 final boolean ephemeralDisabled = isEphemeralDisabled(); 6208 synchronized (mPackages) { 6209 if (pkgName == null) { 6210 List<CrossProfileIntentFilter> matchingFilters = 6211 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 6212 // Check for results that need to skip the current profile. 6213 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 6214 resolvedType, flags, userId); 6215 if (xpResolveInfo != null) { 6216 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 6217 xpResult.add(xpResolveInfo); 6218 return applyPostResolutionFilter( 6219 filterIfNotSystemUser(xpResult, userId), instantAppPkgName); 6220 } 6221 6222 // Check for results in the current profile. 6223 result = filterIfNotSystemUser(mActivities.queryIntent( 6224 intent, resolvedType, flags, userId), userId); 6225 addEphemeral = !ephemeralDisabled 6226 && isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 6227 // Check for cross profile results. 6228 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 6229 xpResolveInfo = queryCrossProfileIntents( 6230 matchingFilters, intent, resolvedType, flags, userId, 6231 hasNonNegativePriorityResult); 6232 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 6233 boolean isVisibleToUser = filterIfNotSystemUser( 6234 Collections.singletonList(xpResolveInfo), userId).size() > 0; 6235 if (isVisibleToUser) { 6236 result.add(xpResolveInfo); 6237 sortResult = true; 6238 } 6239 } 6240 if (hasWebURI(intent)) { 6241 CrossProfileDomainInfo xpDomainInfo = null; 6242 final UserInfo parent = getProfileParent(userId); 6243 if (parent != null) { 6244 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 6245 flags, userId, parent.id); 6246 } 6247 if (xpDomainInfo != null) { 6248 if (xpResolveInfo != null) { 6249 // If we didn't remove it, the cross-profile ResolveInfo would be twice 6250 // in the result. 6251 result.remove(xpResolveInfo); 6252 } 6253 if (result.size() == 0 && !addEphemeral) { 6254 // No result in current profile, but found candidate in parent user. 6255 // And we are not going to add emphemeral app, so we can return the 6256 // result straight away. 6257 result.add(xpDomainInfo.resolveInfo); 6258 return applyPostResolutionFilter(result, instantAppPkgName); 6259 } 6260 } else if (result.size() <= 1 && !addEphemeral) { 6261 // No result in parent user and <= 1 result in current profile, and we 6262 // are not going to add emphemeral app, so we can return the result without 6263 // further processing. 6264 return applyPostResolutionFilter(result, instantAppPkgName); 6265 } 6266 // We have more than one candidate (combining results from current and parent 6267 // profile), so we need filtering and sorting. 6268 result = filterCandidatesWithDomainPreferredActivitiesLPr( 6269 intent, flags, result, xpDomainInfo, userId); 6270 sortResult = true; 6271 } 6272 } else { 6273 final PackageParser.Package pkg = mPackages.get(pkgName); 6274 if (pkg != null) { 6275 return applyPostResolutionFilter(filterIfNotSystemUser( 6276 mActivities.queryIntentForPackage( 6277 intent, resolvedType, flags, pkg.activities, userId), 6278 userId), instantAppPkgName); 6279 } else { 6280 // the caller wants to resolve for a particular package; however, there 6281 // were no installed results, so, try to find an ephemeral result 6282 addEphemeral = !ephemeralDisabled 6283 && isEphemeralAllowed( 6284 intent, null /*result*/, userId, true /*skipPackageCheck*/); 6285 result = new ArrayList<ResolveInfo>(); 6286 } 6287 } 6288 } 6289 if (addEphemeral) { 6290 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 6291 final InstantAppRequest requestObject = new InstantAppRequest( 6292 null /*responseObj*/, intent /*origIntent*/, resolvedType, 6293 null /*callingPackage*/, userId); 6294 final AuxiliaryResolveInfo auxiliaryResponse = 6295 InstantAppResolver.doInstantAppResolutionPhaseOne( 6296 mContext, mInstantAppResolverConnection, requestObject); 6297 if (auxiliaryResponse != null) { 6298 if (DEBUG_EPHEMERAL) { 6299 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6300 } 6301 final ResolveInfo ephemeralInstaller = new ResolveInfo(mInstantAppInstallerInfo); 6302 ephemeralInstaller.activityInfo = new ActivityInfo(mInstantAppInstallerActivity); 6303 ephemeralInstaller.activityInfo.launchToken = auxiliaryResponse.token; 6304 ephemeralInstaller.auxiliaryInfo = auxiliaryResponse; 6305 // make sure this resolver is the default 6306 ephemeralInstaller.isDefault = true; 6307 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6308 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6309 // add a non-generic filter 6310 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 6311 ephemeralInstaller.filter.addDataPath( 6312 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 6313 ephemeralInstaller.instantAppAvailable = true; 6314 result.add(ephemeralInstaller); 6315 } 6316 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6317 } 6318 if (sortResult) { 6319 Collections.sort(result, mResolvePrioritySorter); 6320 } 6321 return applyPostResolutionFilter(result, instantAppPkgName); 6322 } 6323 6324 private static class CrossProfileDomainInfo { 6325 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 6326 ResolveInfo resolveInfo; 6327 /* Best domain verification status of the activities found in the other profile */ 6328 int bestDomainVerificationStatus; 6329 } 6330 6331 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 6332 String resolvedType, int flags, int sourceUserId, int parentUserId) { 6333 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 6334 sourceUserId)) { 6335 return null; 6336 } 6337 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6338 resolvedType, flags, parentUserId); 6339 6340 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 6341 return null; 6342 } 6343 CrossProfileDomainInfo result = null; 6344 int size = resultTargetUser.size(); 6345 for (int i = 0; i < size; i++) { 6346 ResolveInfo riTargetUser = resultTargetUser.get(i); 6347 // Intent filter verification is only for filters that specify a host. So don't return 6348 // those that handle all web uris. 6349 if (riTargetUser.handleAllWebDataURI) { 6350 continue; 6351 } 6352 String packageName = riTargetUser.activityInfo.packageName; 6353 PackageSetting ps = mSettings.mPackages.get(packageName); 6354 if (ps == null) { 6355 continue; 6356 } 6357 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 6358 int status = (int)(verificationState >> 32); 6359 if (result == null) { 6360 result = new CrossProfileDomainInfo(); 6361 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 6362 sourceUserId, parentUserId); 6363 result.bestDomainVerificationStatus = status; 6364 } else { 6365 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 6366 result.bestDomainVerificationStatus); 6367 } 6368 } 6369 // Don't consider matches with status NEVER across profiles. 6370 if (result != null && result.bestDomainVerificationStatus 6371 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6372 return null; 6373 } 6374 return result; 6375 } 6376 6377 /** 6378 * Verification statuses are ordered from the worse to the best, except for 6379 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 6380 */ 6381 private int bestDomainVerificationStatus(int status1, int status2) { 6382 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6383 return status2; 6384 } 6385 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6386 return status1; 6387 } 6388 return (int) MathUtils.max(status1, status2); 6389 } 6390 6391 private boolean isUserEnabled(int userId) { 6392 long callingId = Binder.clearCallingIdentity(); 6393 try { 6394 UserInfo userInfo = sUserManager.getUserInfo(userId); 6395 return userInfo != null && userInfo.isEnabled(); 6396 } finally { 6397 Binder.restoreCallingIdentity(callingId); 6398 } 6399 } 6400 6401 /** 6402 * Filter out activities with systemUserOnly flag set, when current user is not System. 6403 * 6404 * @return filtered list 6405 */ 6406 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 6407 if (userId == UserHandle.USER_SYSTEM) { 6408 return resolveInfos; 6409 } 6410 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6411 ResolveInfo info = resolveInfos.get(i); 6412 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 6413 resolveInfos.remove(i); 6414 } 6415 } 6416 return resolveInfos; 6417 } 6418 6419 /** 6420 * Filters out ephemeral activities. 6421 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 6422 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 6423 * 6424 * @param resolveInfos The pre-filtered list of resolved activities 6425 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 6426 * is performed. 6427 * @return A filtered list of resolved activities. 6428 */ 6429 private List<ResolveInfo> applyPostResolutionFilter(List<ResolveInfo> resolveInfos, 6430 String ephemeralPkgName) { 6431 // TODO: When adding on-demand split support for non-instant apps, remove this check 6432 // and always apply post filtering 6433 if (ephemeralPkgName == null) { 6434 return resolveInfos; 6435 } 6436 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6437 final ResolveInfo info = resolveInfos.get(i); 6438 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isInstantApp(); 6439 // allow activities that are defined in the provided package 6440 if (isEphemeralApp && ephemeralPkgName.equals(info.activityInfo.packageName)) { 6441 if (info.activityInfo.splitName != null 6442 && !ArrayUtils.contains(info.activityInfo.applicationInfo.splitNames, 6443 info.activityInfo.splitName)) { 6444 // requested activity is defined in a split that hasn't been installed yet. 6445 // add the installer to the resolve list 6446 if (DEBUG_EPHEMERAL) { 6447 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6448 } 6449 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 6450 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 6451 info.activityInfo.packageName, info.activityInfo.splitName, 6452 info.activityInfo.applicationInfo.versionCode); 6453 // make sure this resolver is the default 6454 installerInfo.isDefault = true; 6455 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6456 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6457 // add a non-generic filter 6458 installerInfo.filter = new IntentFilter(); 6459 // load resources from the correct package 6460 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 6461 resolveInfos.set(i, installerInfo); 6462 } 6463 continue; 6464 } 6465 // allow activities that have been explicitly exposed to ephemeral apps 6466 if (!isEphemeralApp 6467 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) != 0)) { 6468 continue; 6469 } 6470 resolveInfos.remove(i); 6471 } 6472 return resolveInfos; 6473 } 6474 6475 /** 6476 * @param resolveInfos list of resolve infos in descending priority order 6477 * @return if the list contains a resolve info with non-negative priority 6478 */ 6479 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 6480 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 6481 } 6482 6483 private static boolean hasWebURI(Intent intent) { 6484 if (intent.getData() == null) { 6485 return false; 6486 } 6487 final String scheme = intent.getScheme(); 6488 if (TextUtils.isEmpty(scheme)) { 6489 return false; 6490 } 6491 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 6492 } 6493 6494 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 6495 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 6496 int userId) { 6497 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 6498 6499 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6500 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 6501 candidates.size()); 6502 } 6503 6504 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 6505 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 6506 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 6507 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 6508 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 6509 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 6510 6511 synchronized (mPackages) { 6512 final int count = candidates.size(); 6513 // First, try to use linked apps. Partition the candidates into four lists: 6514 // one for the final results, one for the "do not use ever", one for "undefined status" 6515 // and finally one for "browser app type". 6516 for (int n=0; n<count; n++) { 6517 ResolveInfo info = candidates.get(n); 6518 String packageName = info.activityInfo.packageName; 6519 PackageSetting ps = mSettings.mPackages.get(packageName); 6520 if (ps != null) { 6521 // Add to the special match all list (Browser use case) 6522 if (info.handleAllWebDataURI) { 6523 matchAllList.add(info); 6524 continue; 6525 } 6526 // Try to get the status from User settings first 6527 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6528 int status = (int)(packedStatus >> 32); 6529 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6530 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 6531 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6532 Slog.i(TAG, " + always: " + info.activityInfo.packageName 6533 + " : linkgen=" + linkGeneration); 6534 } 6535 // Use link-enabled generation as preferredOrder, i.e. 6536 // prefer newly-enabled over earlier-enabled. 6537 info.preferredOrder = linkGeneration; 6538 alwaysList.add(info); 6539 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6540 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6541 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 6542 } 6543 neverList.add(info); 6544 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6545 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6546 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 6547 } 6548 alwaysAskList.add(info); 6549 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 6550 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 6551 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6552 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 6553 } 6554 undefinedList.add(info); 6555 } 6556 } 6557 } 6558 6559 // We'll want to include browser possibilities in a few cases 6560 boolean includeBrowser = false; 6561 6562 // First try to add the "always" resolution(s) for the current user, if any 6563 if (alwaysList.size() > 0) { 6564 result.addAll(alwaysList); 6565 } else { 6566 // Add all undefined apps as we want them to appear in the disambiguation dialog. 6567 result.addAll(undefinedList); 6568 // Maybe add one for the other profile. 6569 if (xpDomainInfo != null && ( 6570 xpDomainInfo.bestDomainVerificationStatus 6571 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 6572 result.add(xpDomainInfo.resolveInfo); 6573 } 6574 includeBrowser = true; 6575 } 6576 6577 // The presence of any 'always ask' alternatives means we'll also offer browsers. 6578 // If there were 'always' entries their preferred order has been set, so we also 6579 // back that off to make the alternatives equivalent 6580 if (alwaysAskList.size() > 0) { 6581 for (ResolveInfo i : result) { 6582 i.preferredOrder = 0; 6583 } 6584 result.addAll(alwaysAskList); 6585 includeBrowser = true; 6586 } 6587 6588 if (includeBrowser) { 6589 // Also add browsers (all of them or only the default one) 6590 if (DEBUG_DOMAIN_VERIFICATION) { 6591 Slog.v(TAG, " ...including browsers in candidate set"); 6592 } 6593 if ((matchFlags & MATCH_ALL) != 0) { 6594 result.addAll(matchAllList); 6595 } else { 6596 // Browser/generic handling case. If there's a default browser, go straight 6597 // to that (but only if there is no other higher-priority match). 6598 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 6599 int maxMatchPrio = 0; 6600 ResolveInfo defaultBrowserMatch = null; 6601 final int numCandidates = matchAllList.size(); 6602 for (int n = 0; n < numCandidates; n++) { 6603 ResolveInfo info = matchAllList.get(n); 6604 // track the highest overall match priority... 6605 if (info.priority > maxMatchPrio) { 6606 maxMatchPrio = info.priority; 6607 } 6608 // ...and the highest-priority default browser match 6609 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 6610 if (defaultBrowserMatch == null 6611 || (defaultBrowserMatch.priority < info.priority)) { 6612 if (debug) { 6613 Slog.v(TAG, "Considering default browser match " + info); 6614 } 6615 defaultBrowserMatch = info; 6616 } 6617 } 6618 } 6619 if (defaultBrowserMatch != null 6620 && defaultBrowserMatch.priority >= maxMatchPrio 6621 && !TextUtils.isEmpty(defaultBrowserPackageName)) 6622 { 6623 if (debug) { 6624 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 6625 } 6626 result.add(defaultBrowserMatch); 6627 } else { 6628 result.addAll(matchAllList); 6629 } 6630 } 6631 6632 // If there is nothing selected, add all candidates and remove the ones that the user 6633 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 6634 if (result.size() == 0) { 6635 result.addAll(candidates); 6636 result.removeAll(neverList); 6637 } 6638 } 6639 } 6640 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6641 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 6642 result.size()); 6643 for (ResolveInfo info : result) { 6644 Slog.v(TAG, " + " + info.activityInfo); 6645 } 6646 } 6647 return result; 6648 } 6649 6650 // Returns a packed value as a long: 6651 // 6652 // high 'int'-sized word: link status: undefined/ask/never/always. 6653 // low 'int'-sized word: relative priority among 'always' results. 6654 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 6655 long result = ps.getDomainVerificationStatusForUser(userId); 6656 // if none available, get the master status 6657 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 6658 if (ps.getIntentFilterVerificationInfo() != null) { 6659 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 6660 } 6661 } 6662 return result; 6663 } 6664 6665 private ResolveInfo querySkipCurrentProfileIntents( 6666 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6667 int flags, int sourceUserId) { 6668 if (matchingFilters != null) { 6669 int size = matchingFilters.size(); 6670 for (int i = 0; i < size; i ++) { 6671 CrossProfileIntentFilter filter = matchingFilters.get(i); 6672 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 6673 // Checking if there are activities in the target user that can handle the 6674 // intent. 6675 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6676 resolvedType, flags, sourceUserId); 6677 if (resolveInfo != null) { 6678 return resolveInfo; 6679 } 6680 } 6681 } 6682 } 6683 return null; 6684 } 6685 6686 // Return matching ResolveInfo in target user if any. 6687 private ResolveInfo queryCrossProfileIntents( 6688 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6689 int flags, int sourceUserId, boolean matchInCurrentProfile) { 6690 if (matchingFilters != null) { 6691 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 6692 // match the same intent. For performance reasons, it is better not to 6693 // run queryIntent twice for the same userId 6694 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 6695 int size = matchingFilters.size(); 6696 for (int i = 0; i < size; i++) { 6697 CrossProfileIntentFilter filter = matchingFilters.get(i); 6698 int targetUserId = filter.getTargetUserId(); 6699 boolean skipCurrentProfile = 6700 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 6701 boolean skipCurrentProfileIfNoMatchFound = 6702 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 6703 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 6704 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 6705 // Checking if there are activities in the target user that can handle the 6706 // intent. 6707 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6708 resolvedType, flags, sourceUserId); 6709 if (resolveInfo != null) return resolveInfo; 6710 alreadyTriedUserIds.put(targetUserId, true); 6711 } 6712 } 6713 } 6714 return null; 6715 } 6716 6717 /** 6718 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 6719 * will forward the intent to the filter's target user. 6720 * Otherwise, returns null. 6721 */ 6722 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 6723 String resolvedType, int flags, int sourceUserId) { 6724 int targetUserId = filter.getTargetUserId(); 6725 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6726 resolvedType, flags, targetUserId); 6727 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 6728 // If all the matches in the target profile are suspended, return null. 6729 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 6730 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 6731 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 6732 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 6733 targetUserId); 6734 } 6735 } 6736 } 6737 return null; 6738 } 6739 6740 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 6741 int sourceUserId, int targetUserId) { 6742 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 6743 long ident = Binder.clearCallingIdentity(); 6744 boolean targetIsProfile; 6745 try { 6746 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 6747 } finally { 6748 Binder.restoreCallingIdentity(ident); 6749 } 6750 String className; 6751 if (targetIsProfile) { 6752 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 6753 } else { 6754 className = FORWARD_INTENT_TO_PARENT; 6755 } 6756 ComponentName forwardingActivityComponentName = new ComponentName( 6757 mAndroidApplication.packageName, className); 6758 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 6759 sourceUserId); 6760 if (!targetIsProfile) { 6761 forwardingActivityInfo.showUserIcon = targetUserId; 6762 forwardingResolveInfo.noResourceId = true; 6763 } 6764 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 6765 forwardingResolveInfo.priority = 0; 6766 forwardingResolveInfo.preferredOrder = 0; 6767 forwardingResolveInfo.match = 0; 6768 forwardingResolveInfo.isDefault = true; 6769 forwardingResolveInfo.filter = filter; 6770 forwardingResolveInfo.targetUserId = targetUserId; 6771 return forwardingResolveInfo; 6772 } 6773 6774 @Override 6775 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 6776 Intent[] specifics, String[] specificTypes, Intent intent, 6777 String resolvedType, int flags, int userId) { 6778 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 6779 specificTypes, intent, resolvedType, flags, userId)); 6780 } 6781 6782 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 6783 Intent[] specifics, String[] specificTypes, Intent intent, 6784 String resolvedType, int flags, int userId) { 6785 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6786 flags = updateFlagsForResolve(flags, userId, intent, false); 6787 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6788 false /* requireFullPermission */, false /* checkShell */, 6789 "query intent activity options"); 6790 final String resultsAction = intent.getAction(); 6791 6792 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 6793 | PackageManager.GET_RESOLVED_FILTER, userId); 6794 6795 if (DEBUG_INTENT_MATCHING) { 6796 Log.v(TAG, "Query " + intent + ": " + results); 6797 } 6798 6799 int specificsPos = 0; 6800 int N; 6801 6802 // todo: note that the algorithm used here is O(N^2). This 6803 // isn't a problem in our current environment, but if we start running 6804 // into situations where we have more than 5 or 10 matches then this 6805 // should probably be changed to something smarter... 6806 6807 // First we go through and resolve each of the specific items 6808 // that were supplied, taking care of removing any corresponding 6809 // duplicate items in the generic resolve list. 6810 if (specifics != null) { 6811 for (int i=0; i<specifics.length; i++) { 6812 final Intent sintent = specifics[i]; 6813 if (sintent == null) { 6814 continue; 6815 } 6816 6817 if (DEBUG_INTENT_MATCHING) { 6818 Log.v(TAG, "Specific #" + i + ": " + sintent); 6819 } 6820 6821 String action = sintent.getAction(); 6822 if (resultsAction != null && resultsAction.equals(action)) { 6823 // If this action was explicitly requested, then don't 6824 // remove things that have it. 6825 action = null; 6826 } 6827 6828 ResolveInfo ri = null; 6829 ActivityInfo ai = null; 6830 6831 ComponentName comp = sintent.getComponent(); 6832 if (comp == null) { 6833 ri = resolveIntent( 6834 sintent, 6835 specificTypes != null ? specificTypes[i] : null, 6836 flags, userId); 6837 if (ri == null) { 6838 continue; 6839 } 6840 if (ri == mResolveInfo) { 6841 // ACK! Must do something better with this. 6842 } 6843 ai = ri.activityInfo; 6844 comp = new ComponentName(ai.applicationInfo.packageName, 6845 ai.name); 6846 } else { 6847 ai = getActivityInfo(comp, flags, userId); 6848 if (ai == null) { 6849 continue; 6850 } 6851 } 6852 6853 // Look for any generic query activities that are duplicates 6854 // of this specific one, and remove them from the results. 6855 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6856 N = results.size(); 6857 int j; 6858 for (j=specificsPos; j<N; j++) { 6859 ResolveInfo sri = results.get(j); 6860 if ((sri.activityInfo.name.equals(comp.getClassName()) 6861 && sri.activityInfo.applicationInfo.packageName.equals( 6862 comp.getPackageName())) 6863 || (action != null && sri.filter.matchAction(action))) { 6864 results.remove(j); 6865 if (DEBUG_INTENT_MATCHING) Log.v( 6866 TAG, "Removing duplicate item from " + j 6867 + " due to specific " + specificsPos); 6868 if (ri == null) { 6869 ri = sri; 6870 } 6871 j--; 6872 N--; 6873 } 6874 } 6875 6876 // Add this specific item to its proper place. 6877 if (ri == null) { 6878 ri = new ResolveInfo(); 6879 ri.activityInfo = ai; 6880 } 6881 results.add(specificsPos, ri); 6882 ri.specificIndex = i; 6883 specificsPos++; 6884 } 6885 } 6886 6887 // Now we go through the remaining generic results and remove any 6888 // duplicate actions that are found here. 6889 N = results.size(); 6890 for (int i=specificsPos; i<N-1; i++) { 6891 final ResolveInfo rii = results.get(i); 6892 if (rii.filter == null) { 6893 continue; 6894 } 6895 6896 // Iterate over all of the actions of this result's intent 6897 // filter... typically this should be just one. 6898 final Iterator<String> it = rii.filter.actionsIterator(); 6899 if (it == null) { 6900 continue; 6901 } 6902 while (it.hasNext()) { 6903 final String action = it.next(); 6904 if (resultsAction != null && resultsAction.equals(action)) { 6905 // If this action was explicitly requested, then don't 6906 // remove things that have it. 6907 continue; 6908 } 6909 for (int j=i+1; j<N; j++) { 6910 final ResolveInfo rij = results.get(j); 6911 if (rij.filter != null && rij.filter.hasAction(action)) { 6912 results.remove(j); 6913 if (DEBUG_INTENT_MATCHING) Log.v( 6914 TAG, "Removing duplicate item from " + j 6915 + " due to action " + action + " at " + i); 6916 j--; 6917 N--; 6918 } 6919 } 6920 } 6921 6922 // If the caller didn't request filter information, drop it now 6923 // so we don't have to marshall/unmarshall it. 6924 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6925 rii.filter = null; 6926 } 6927 } 6928 6929 // Filter out the caller activity if so requested. 6930 if (caller != null) { 6931 N = results.size(); 6932 for (int i=0; i<N; i++) { 6933 ActivityInfo ainfo = results.get(i).activityInfo; 6934 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6935 && caller.getClassName().equals(ainfo.name)) { 6936 results.remove(i); 6937 break; 6938 } 6939 } 6940 } 6941 6942 // If the caller didn't request filter information, 6943 // drop them now so we don't have to 6944 // marshall/unmarshall it. 6945 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6946 N = results.size(); 6947 for (int i=0; i<N; i++) { 6948 results.get(i).filter = null; 6949 } 6950 } 6951 6952 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6953 return results; 6954 } 6955 6956 @Override 6957 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6958 String resolvedType, int flags, int userId) { 6959 return new ParceledListSlice<>( 6960 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6961 } 6962 6963 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6964 String resolvedType, int flags, int userId) { 6965 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6966 flags = updateFlagsForResolve(flags, userId, intent, false); 6967 ComponentName comp = intent.getComponent(); 6968 if (comp == null) { 6969 if (intent.getSelector() != null) { 6970 intent = intent.getSelector(); 6971 comp = intent.getComponent(); 6972 } 6973 } 6974 if (comp != null) { 6975 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6976 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6977 if (ai != null) { 6978 ResolveInfo ri = new ResolveInfo(); 6979 ri.activityInfo = ai; 6980 list.add(ri); 6981 } 6982 return list; 6983 } 6984 6985 // reader 6986 synchronized (mPackages) { 6987 String pkgName = intent.getPackage(); 6988 if (pkgName == null) { 6989 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6990 } 6991 final PackageParser.Package pkg = mPackages.get(pkgName); 6992 if (pkg != null) { 6993 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6994 userId); 6995 } 6996 return Collections.emptyList(); 6997 } 6998 } 6999 7000 @Override 7001 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 7002 if (!sUserManager.exists(userId)) return null; 7003 flags = updateFlagsForResolve(flags, userId, intent, false); 7004 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 7005 if (query != null) { 7006 if (query.size() >= 1) { 7007 // If there is more than one service with the same priority, 7008 // just arbitrarily pick the first one. 7009 return query.get(0); 7010 } 7011 } 7012 return null; 7013 } 7014 7015 @Override 7016 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 7017 String resolvedType, int flags, int userId) { 7018 return new ParceledListSlice<>( 7019 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 7020 } 7021 7022 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 7023 String resolvedType, int flags, int userId) { 7024 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7025 flags = updateFlagsForResolve(flags, userId, intent, false); 7026 ComponentName comp = intent.getComponent(); 7027 if (comp == null) { 7028 if (intent.getSelector() != null) { 7029 intent = intent.getSelector(); 7030 comp = intent.getComponent(); 7031 } 7032 } 7033 if (comp != null) { 7034 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7035 final ServiceInfo si = getServiceInfo(comp, flags, userId); 7036 if (si != null) { 7037 final ResolveInfo ri = new ResolveInfo(); 7038 ri.serviceInfo = si; 7039 list.add(ri); 7040 } 7041 return list; 7042 } 7043 7044 // reader 7045 synchronized (mPackages) { 7046 String pkgName = intent.getPackage(); 7047 if (pkgName == null) { 7048 return mServices.queryIntent(intent, resolvedType, flags, userId); 7049 } 7050 final PackageParser.Package pkg = mPackages.get(pkgName); 7051 if (pkg != null) { 7052 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 7053 userId); 7054 } 7055 return Collections.emptyList(); 7056 } 7057 } 7058 7059 @Override 7060 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 7061 String resolvedType, int flags, int userId) { 7062 return new ParceledListSlice<>( 7063 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 7064 } 7065 7066 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 7067 Intent intent, 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 ProviderInfo pi = getProviderInfo(comp, flags, userId); 7080 if (pi != null) { 7081 final ResolveInfo ri = new ResolveInfo(); 7082 ri.providerInfo = pi; 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 mProviders.queryIntent(intent, resolvedType, flags, userId); 7093 } 7094 final PackageParser.Package pkg = mPackages.get(pkgName); 7095 if (pkg != null) { 7096 return mProviders.queryIntentForPackage( 7097 intent, resolvedType, flags, pkg.providers, userId); 7098 } 7099 return Collections.emptyList(); 7100 } 7101 } 7102 7103 @Override 7104 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 7105 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7106 flags = updateFlagsForPackage(flags, userId, null); 7107 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7108 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7109 true /* requireFullPermission */, false /* checkShell */, 7110 "get installed packages"); 7111 7112 // writer 7113 synchronized (mPackages) { 7114 ArrayList<PackageInfo> list; 7115 if (listUninstalled) { 7116 list = new ArrayList<>(mSettings.mPackages.size()); 7117 for (PackageSetting ps : mSettings.mPackages.values()) { 7118 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7119 continue; 7120 } 7121 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7122 if (pi != null) { 7123 list.add(pi); 7124 } 7125 } 7126 } else { 7127 list = new ArrayList<>(mPackages.size()); 7128 for (PackageParser.Package p : mPackages.values()) { 7129 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 7130 Binder.getCallingUid(), userId)) { 7131 continue; 7132 } 7133 final PackageInfo pi = generatePackageInfo((PackageSetting) 7134 p.mExtras, flags, userId); 7135 if (pi != null) { 7136 list.add(pi); 7137 } 7138 } 7139 } 7140 7141 return new ParceledListSlice<>(list); 7142 } 7143 } 7144 7145 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 7146 String[] permissions, boolean[] tmp, int flags, int userId) { 7147 int numMatch = 0; 7148 final PermissionsState permissionsState = ps.getPermissionsState(); 7149 for (int i=0; i<permissions.length; i++) { 7150 final String permission = permissions[i]; 7151 if (permissionsState.hasPermission(permission, userId)) { 7152 tmp[i] = true; 7153 numMatch++; 7154 } else { 7155 tmp[i] = false; 7156 } 7157 } 7158 if (numMatch == 0) { 7159 return; 7160 } 7161 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7162 7163 // The above might return null in cases of uninstalled apps or install-state 7164 // skew across users/profiles. 7165 if (pi != null) { 7166 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 7167 if (numMatch == permissions.length) { 7168 pi.requestedPermissions = permissions; 7169 } else { 7170 pi.requestedPermissions = new String[numMatch]; 7171 numMatch = 0; 7172 for (int i=0; i<permissions.length; i++) { 7173 if (tmp[i]) { 7174 pi.requestedPermissions[numMatch] = permissions[i]; 7175 numMatch++; 7176 } 7177 } 7178 } 7179 } 7180 list.add(pi); 7181 } 7182 } 7183 7184 @Override 7185 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 7186 String[] permissions, int flags, int userId) { 7187 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7188 flags = updateFlagsForPackage(flags, userId, permissions); 7189 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7190 true /* requireFullPermission */, false /* checkShell */, 7191 "get packages holding permissions"); 7192 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7193 7194 // writer 7195 synchronized (mPackages) { 7196 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 7197 boolean[] tmpBools = new boolean[permissions.length]; 7198 if (listUninstalled) { 7199 for (PackageSetting ps : mSettings.mPackages.values()) { 7200 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7201 userId); 7202 } 7203 } else { 7204 for (PackageParser.Package pkg : mPackages.values()) { 7205 PackageSetting ps = (PackageSetting)pkg.mExtras; 7206 if (ps != null) { 7207 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7208 userId); 7209 } 7210 } 7211 } 7212 7213 return new ParceledListSlice<PackageInfo>(list); 7214 } 7215 } 7216 7217 @Override 7218 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 7219 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7220 flags = updateFlagsForApplication(flags, userId, null); 7221 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7222 7223 // writer 7224 synchronized (mPackages) { 7225 ArrayList<ApplicationInfo> list; 7226 if (listUninstalled) { 7227 list = new ArrayList<>(mSettings.mPackages.size()); 7228 for (PackageSetting ps : mSettings.mPackages.values()) { 7229 ApplicationInfo ai; 7230 int effectiveFlags = flags; 7231 if (ps.isSystem()) { 7232 effectiveFlags |= PackageManager.MATCH_ANY_USER; 7233 } 7234 if (ps.pkg != null) { 7235 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7236 continue; 7237 } 7238 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 7239 ps.readUserState(userId), userId); 7240 if (ai != null) { 7241 rebaseEnabledOverlays(ai, userId); 7242 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 7243 } 7244 } else { 7245 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 7246 // and already converts to externally visible package name 7247 ai = generateApplicationInfoFromSettingsLPw(ps.name, 7248 Binder.getCallingUid(), effectiveFlags, userId); 7249 } 7250 if (ai != null) { 7251 list.add(ai); 7252 } 7253 } 7254 } else { 7255 list = new ArrayList<>(mPackages.size()); 7256 for (PackageParser.Package p : mPackages.values()) { 7257 if (p.mExtras != null) { 7258 PackageSetting ps = (PackageSetting) p.mExtras; 7259 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7260 continue; 7261 } 7262 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7263 ps.readUserState(userId), userId); 7264 if (ai != null) { 7265 rebaseEnabledOverlays(ai, userId); 7266 ai.packageName = resolveExternalPackageNameLPr(p); 7267 list.add(ai); 7268 } 7269 } 7270 } 7271 } 7272 7273 return new ParceledListSlice<>(list); 7274 } 7275 } 7276 7277 @Override 7278 public ParceledListSlice<InstantAppInfo> getInstantApps(int userId) { 7279 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7280 return null; 7281 } 7282 7283 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7284 "getEphemeralApplications"); 7285 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7286 true /* requireFullPermission */, false /* checkShell */, 7287 "getEphemeralApplications"); 7288 synchronized (mPackages) { 7289 List<InstantAppInfo> instantApps = mInstantAppRegistry 7290 .getInstantAppsLPr(userId); 7291 if (instantApps != null) { 7292 return new ParceledListSlice<>(instantApps); 7293 } 7294 } 7295 return null; 7296 } 7297 7298 @Override 7299 public boolean isInstantApp(String packageName, int userId) { 7300 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7301 true /* requireFullPermission */, false /* checkShell */, 7302 "isInstantApp"); 7303 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7304 return false; 7305 } 7306 int uid = Binder.getCallingUid(); 7307 if (Process.isIsolated(uid)) { 7308 uid = mIsolatedOwners.get(uid); 7309 } 7310 7311 synchronized (mPackages) { 7312 final PackageSetting ps = mSettings.mPackages.get(packageName); 7313 PackageParser.Package pkg = mPackages.get(packageName); 7314 final boolean returnAllowed = 7315 ps != null 7316 && (isCallerSameApp(packageName, uid) 7317 || mContext.checkCallingOrSelfPermission( 7318 android.Manifest.permission.ACCESS_INSTANT_APPS) 7319 == PERMISSION_GRANTED 7320 || mInstantAppRegistry.isInstantAccessGranted( 7321 userId, UserHandle.getAppId(uid), ps.appId)); 7322 if (returnAllowed) { 7323 return ps.getInstantApp(userId); 7324 } 7325 } 7326 return false; 7327 } 7328 7329 @Override 7330 public byte[] getInstantAppCookie(String packageName, int userId) { 7331 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7332 return null; 7333 } 7334 7335 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7336 true /* requireFullPermission */, false /* checkShell */, 7337 "getInstantAppCookie"); 7338 if (!isCallerSameApp(packageName, Binder.getCallingUid())) { 7339 return null; 7340 } 7341 synchronized (mPackages) { 7342 return mInstantAppRegistry.getInstantAppCookieLPw( 7343 packageName, userId); 7344 } 7345 } 7346 7347 @Override 7348 public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) { 7349 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7350 return true; 7351 } 7352 7353 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7354 true /* requireFullPermission */, true /* checkShell */, 7355 "setInstantAppCookie"); 7356 if (!isCallerSameApp(packageName, Binder.getCallingUid())) { 7357 return false; 7358 } 7359 synchronized (mPackages) { 7360 return mInstantAppRegistry.setInstantAppCookieLPw( 7361 packageName, cookie, userId); 7362 } 7363 } 7364 7365 @Override 7366 public Bitmap getInstantAppIcon(String packageName, int userId) { 7367 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7368 return null; 7369 } 7370 7371 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7372 "getInstantAppIcon"); 7373 7374 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7375 true /* requireFullPermission */, false /* checkShell */, 7376 "getInstantAppIcon"); 7377 7378 synchronized (mPackages) { 7379 return mInstantAppRegistry.getInstantAppIconLPw( 7380 packageName, userId); 7381 } 7382 } 7383 7384 private boolean isCallerSameApp(String packageName, int uid) { 7385 PackageParser.Package pkg = mPackages.get(packageName); 7386 return pkg != null 7387 && UserHandle.getAppId(uid) == pkg.applicationInfo.uid; 7388 } 7389 7390 @Override 7391 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 7392 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 7393 } 7394 7395 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 7396 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 7397 7398 // reader 7399 synchronized (mPackages) { 7400 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 7401 final int userId = UserHandle.getCallingUserId(); 7402 while (i.hasNext()) { 7403 final PackageParser.Package p = i.next(); 7404 if (p.applicationInfo == null) continue; 7405 7406 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 7407 && !p.applicationInfo.isDirectBootAware(); 7408 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 7409 && p.applicationInfo.isDirectBootAware(); 7410 7411 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 7412 && (!mSafeMode || isSystemApp(p)) 7413 && (matchesUnaware || matchesAware)) { 7414 PackageSetting ps = mSettings.mPackages.get(p.packageName); 7415 if (ps != null) { 7416 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7417 ps.readUserState(userId), userId); 7418 if (ai != null) { 7419 rebaseEnabledOverlays(ai, userId); 7420 finalList.add(ai); 7421 } 7422 } 7423 } 7424 } 7425 } 7426 7427 return finalList; 7428 } 7429 7430 @Override 7431 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 7432 if (!sUserManager.exists(userId)) return null; 7433 flags = updateFlagsForComponent(flags, userId, name); 7434 // reader 7435 synchronized (mPackages) { 7436 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 7437 PackageSetting ps = provider != null 7438 ? mSettings.mPackages.get(provider.owner.packageName) 7439 : null; 7440 return ps != null 7441 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 7442 ? PackageParser.generateProviderInfo(provider, flags, 7443 ps.readUserState(userId), userId) 7444 : null; 7445 } 7446 } 7447 7448 /** 7449 * @deprecated 7450 */ 7451 @Deprecated 7452 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 7453 // reader 7454 synchronized (mPackages) { 7455 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 7456 .entrySet().iterator(); 7457 final int userId = UserHandle.getCallingUserId(); 7458 while (i.hasNext()) { 7459 Map.Entry<String, PackageParser.Provider> entry = i.next(); 7460 PackageParser.Provider p = entry.getValue(); 7461 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7462 7463 if (ps != null && p.syncable 7464 && (!mSafeMode || (p.info.applicationInfo.flags 7465 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 7466 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 7467 ps.readUserState(userId), userId); 7468 if (info != null) { 7469 outNames.add(entry.getKey()); 7470 outInfo.add(info); 7471 } 7472 } 7473 } 7474 } 7475 } 7476 7477 @Override 7478 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 7479 int uid, int flags, String metaDataKey) { 7480 final int userId = processName != null ? UserHandle.getUserId(uid) 7481 : UserHandle.getCallingUserId(); 7482 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7483 flags = updateFlagsForComponent(flags, userId, processName); 7484 7485 ArrayList<ProviderInfo> finalList = null; 7486 // reader 7487 synchronized (mPackages) { 7488 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 7489 while (i.hasNext()) { 7490 final PackageParser.Provider p = i.next(); 7491 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7492 if (ps != null && p.info.authority != null 7493 && (processName == null 7494 || (p.info.processName.equals(processName) 7495 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 7496 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 7497 7498 // See PM.queryContentProviders()'s javadoc for why we have the metaData 7499 // parameter. 7500 if (metaDataKey != null 7501 && (p.metaData == null || !p.metaData.containsKey(metaDataKey))) { 7502 continue; 7503 } 7504 7505 if (finalList == null) { 7506 finalList = new ArrayList<ProviderInfo>(3); 7507 } 7508 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 7509 ps.readUserState(userId), userId); 7510 if (info != null) { 7511 finalList.add(info); 7512 } 7513 } 7514 } 7515 } 7516 7517 if (finalList != null) { 7518 Collections.sort(finalList, mProviderInitOrderSorter); 7519 return new ParceledListSlice<ProviderInfo>(finalList); 7520 } 7521 7522 return ParceledListSlice.emptyList(); 7523 } 7524 7525 @Override 7526 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 7527 // reader 7528 synchronized (mPackages) { 7529 final PackageParser.Instrumentation i = mInstrumentation.get(name); 7530 return PackageParser.generateInstrumentationInfo(i, flags); 7531 } 7532 } 7533 7534 @Override 7535 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 7536 String targetPackage, int flags) { 7537 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 7538 } 7539 7540 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 7541 int flags) { 7542 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 7543 7544 // reader 7545 synchronized (mPackages) { 7546 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 7547 while (i.hasNext()) { 7548 final PackageParser.Instrumentation p = i.next(); 7549 if (targetPackage == null 7550 || targetPackage.equals(p.info.targetPackage)) { 7551 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 7552 flags); 7553 if (ii != null) { 7554 finalList.add(ii); 7555 } 7556 } 7557 } 7558 } 7559 7560 return finalList; 7561 } 7562 7563 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 7564 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 7565 try { 7566 scanDirLI(dir, parseFlags, scanFlags, currentTime); 7567 } finally { 7568 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7569 } 7570 } 7571 7572 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 7573 final File[] files = dir.listFiles(); 7574 if (ArrayUtils.isEmpty(files)) { 7575 Log.d(TAG, "No files in app dir " + dir); 7576 return; 7577 } 7578 7579 if (DEBUG_PACKAGE_SCANNING) { 7580 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 7581 + " flags=0x" + Integer.toHexString(parseFlags)); 7582 } 7583 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 7584 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir, mPackageParserCallback); 7585 7586 // Submit files for parsing in parallel 7587 int fileCount = 0; 7588 for (File file : files) { 7589 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 7590 && !PackageInstallerService.isStageName(file.getName()); 7591 if (!isPackage) { 7592 // Ignore entries which are not packages 7593 continue; 7594 } 7595 parallelPackageParser.submit(file, parseFlags); 7596 fileCount++; 7597 } 7598 7599 // Process results one by one 7600 for (; fileCount > 0; fileCount--) { 7601 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 7602 Throwable throwable = parseResult.throwable; 7603 int errorCode = PackageManager.INSTALL_SUCCEEDED; 7604 7605 if (throwable == null) { 7606 // Static shared libraries have synthetic package names 7607 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 7608 renameStaticSharedLibraryPackage(parseResult.pkg); 7609 } 7610 try { 7611 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 7612 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 7613 currentTime, null); 7614 } 7615 } catch (PackageManagerException e) { 7616 errorCode = e.error; 7617 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 7618 } 7619 } else if (throwable instanceof PackageParser.PackageParserException) { 7620 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 7621 throwable; 7622 errorCode = e.error; 7623 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 7624 } else { 7625 throw new IllegalStateException("Unexpected exception occurred while parsing " 7626 + parseResult.scanFile, throwable); 7627 } 7628 7629 // Delete invalid userdata apps 7630 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 7631 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 7632 logCriticalInfo(Log.WARN, 7633 "Deleting invalid package at " + parseResult.scanFile); 7634 removeCodePathLI(parseResult.scanFile); 7635 } 7636 } 7637 parallelPackageParser.close(); 7638 } 7639 7640 private static File getSettingsProblemFile() { 7641 File dataDir = Environment.getDataDirectory(); 7642 File systemDir = new File(dataDir, "system"); 7643 File fname = new File(systemDir, "uiderrors.txt"); 7644 return fname; 7645 } 7646 7647 static void reportSettingsProblem(int priority, String msg) { 7648 logCriticalInfo(priority, msg); 7649 } 7650 7651 public static void logCriticalInfo(int priority, String msg) { 7652 Slog.println(priority, TAG, msg); 7653 EventLogTags.writePmCriticalInfo(msg); 7654 try { 7655 File fname = getSettingsProblemFile(); 7656 FileOutputStream out = new FileOutputStream(fname, true); 7657 PrintWriter pw = new FastPrintWriter(out); 7658 SimpleDateFormat formatter = new SimpleDateFormat(); 7659 String dateString = formatter.format(new Date(System.currentTimeMillis())); 7660 pw.println(dateString + ": " + msg); 7661 pw.close(); 7662 FileUtils.setPermissions( 7663 fname.toString(), 7664 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 7665 -1, -1); 7666 } catch (java.io.IOException e) { 7667 } 7668 } 7669 7670 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 7671 if (srcFile.isDirectory()) { 7672 final File baseFile = new File(pkg.baseCodePath); 7673 long maxModifiedTime = baseFile.lastModified(); 7674 if (pkg.splitCodePaths != null) { 7675 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 7676 final File splitFile = new File(pkg.splitCodePaths[i]); 7677 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 7678 } 7679 } 7680 return maxModifiedTime; 7681 } 7682 return srcFile.lastModified(); 7683 } 7684 7685 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 7686 final int policyFlags) throws PackageManagerException { 7687 // When upgrading from pre-N MR1, verify the package time stamp using the package 7688 // directory and not the APK file. 7689 final long lastModifiedTime = mIsPreNMR1Upgrade 7690 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 7691 if (ps != null 7692 && ps.codePath.equals(srcFile) 7693 && ps.timeStamp == lastModifiedTime 7694 && !isCompatSignatureUpdateNeeded(pkg) 7695 && !isRecoverSignatureUpdateNeeded(pkg)) { 7696 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 7697 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7698 ArraySet<PublicKey> signingKs; 7699 synchronized (mPackages) { 7700 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 7701 } 7702 if (ps.signatures.mSignatures != null 7703 && ps.signatures.mSignatures.length != 0 7704 && signingKs != null) { 7705 // Optimization: reuse the existing cached certificates 7706 // if the package appears to be unchanged. 7707 pkg.mSignatures = ps.signatures.mSignatures; 7708 pkg.mSigningKeys = signingKs; 7709 return; 7710 } 7711 7712 Slog.w(TAG, "PackageSetting for " + ps.name 7713 + " is missing signatures. Collecting certs again to recover them."); 7714 } else { 7715 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 7716 } 7717 7718 try { 7719 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 7720 PackageParser.collectCertificates(pkg, policyFlags); 7721 } catch (PackageParserException e) { 7722 throw PackageManagerException.from(e); 7723 } finally { 7724 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7725 } 7726 } 7727 7728 /** 7729 * Traces a package scan. 7730 * @see #scanPackageLI(File, int, int, long, UserHandle) 7731 */ 7732 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 7733 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7734 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 7735 try { 7736 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 7737 } finally { 7738 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7739 } 7740 } 7741 7742 /** 7743 * Scans a package and returns the newly parsed package. 7744 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 7745 */ 7746 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 7747 long currentTime, UserHandle user) throws PackageManagerException { 7748 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 7749 PackageParser pp = new PackageParser(); 7750 pp.setSeparateProcesses(mSeparateProcesses); 7751 pp.setOnlyCoreApps(mOnlyCore); 7752 pp.setDisplayMetrics(mMetrics); 7753 pp.setCallback(mPackageParserCallback); 7754 7755 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 7756 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 7757 } 7758 7759 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 7760 final PackageParser.Package pkg; 7761 try { 7762 pkg = pp.parsePackage(scanFile, parseFlags); 7763 } catch (PackageParserException e) { 7764 throw PackageManagerException.from(e); 7765 } finally { 7766 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7767 } 7768 7769 // Static shared libraries have synthetic package names 7770 if (pkg.applicationInfo.isStaticSharedLibrary()) { 7771 renameStaticSharedLibraryPackage(pkg); 7772 } 7773 7774 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 7775 } 7776 7777 /** 7778 * Scans a package and returns the newly parsed package. 7779 * @throws PackageManagerException on a parse error. 7780 */ 7781 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 7782 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 7783 throws PackageManagerException { 7784 // If the package has children and this is the first dive in the function 7785 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 7786 // packages (parent and children) would be successfully scanned before the 7787 // actual scan since scanning mutates internal state and we want to atomically 7788 // install the package and its children. 7789 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7790 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7791 scanFlags |= SCAN_CHECK_ONLY; 7792 } 7793 } else { 7794 scanFlags &= ~SCAN_CHECK_ONLY; 7795 } 7796 7797 // Scan the parent 7798 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 7799 scanFlags, currentTime, user); 7800 7801 // Scan the children 7802 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7803 for (int i = 0; i < childCount; i++) { 7804 PackageParser.Package childPackage = pkg.childPackages.get(i); 7805 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 7806 currentTime, user); 7807 } 7808 7809 7810 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7811 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 7812 } 7813 7814 return scannedPkg; 7815 } 7816 7817 /** 7818 * Scans a package and returns the newly parsed package. 7819 * @throws PackageManagerException on a parse error. 7820 */ 7821 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 7822 int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 7823 throws PackageManagerException { 7824 PackageSetting ps = null; 7825 PackageSetting updatedPkg; 7826 // reader 7827 synchronized (mPackages) { 7828 // Look to see if we already know about this package. 7829 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 7830 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 7831 // This package has been renamed to its original name. Let's 7832 // use that. 7833 ps = mSettings.getPackageLPr(oldName); 7834 } 7835 // If there was no original package, see one for the real package name. 7836 if (ps == null) { 7837 ps = mSettings.getPackageLPr(pkg.packageName); 7838 } 7839 // Check to see if this package could be hiding/updating a system 7840 // package. Must look for it either under the original or real 7841 // package name depending on our state. 7842 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 7843 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 7844 7845 // If this is a package we don't know about on the system partition, we 7846 // may need to remove disabled child packages on the system partition 7847 // or may need to not add child packages if the parent apk is updated 7848 // on the data partition and no longer defines this child package. 7849 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7850 // If this is a parent package for an updated system app and this system 7851 // app got an OTA update which no longer defines some of the child packages 7852 // we have to prune them from the disabled system packages. 7853 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 7854 if (disabledPs != null) { 7855 final int scannedChildCount = (pkg.childPackages != null) 7856 ? pkg.childPackages.size() : 0; 7857 final int disabledChildCount = disabledPs.childPackageNames != null 7858 ? disabledPs.childPackageNames.size() : 0; 7859 for (int i = 0; i < disabledChildCount; i++) { 7860 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 7861 boolean disabledPackageAvailable = false; 7862 for (int j = 0; j < scannedChildCount; j++) { 7863 PackageParser.Package childPkg = pkg.childPackages.get(j); 7864 if (childPkg.packageName.equals(disabledChildPackageName)) { 7865 disabledPackageAvailable = true; 7866 break; 7867 } 7868 } 7869 if (!disabledPackageAvailable) { 7870 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 7871 } 7872 } 7873 } 7874 } 7875 } 7876 7877 boolean updatedPkgBetter = false; 7878 // First check if this is a system package that may involve an update 7879 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7880 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7881 // it needs to drop FLAG_PRIVILEGED. 7882 if (locationIsPrivileged(scanFile)) { 7883 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7884 } else { 7885 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7886 } 7887 7888 if (ps != null && !ps.codePath.equals(scanFile)) { 7889 // The path has changed from what was last scanned... check the 7890 // version of the new path against what we have stored to determine 7891 // what to do. 7892 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7893 if (pkg.mVersionCode <= ps.versionCode) { 7894 // The system package has been updated and the code path does not match 7895 // Ignore entry. Skip it. 7896 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7897 + " ignored: updated version " + ps.versionCode 7898 + " better than this " + pkg.mVersionCode); 7899 if (!updatedPkg.codePath.equals(scanFile)) { 7900 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7901 + ps.name + " changing from " + updatedPkg.codePathString 7902 + " to " + scanFile); 7903 updatedPkg.codePath = scanFile; 7904 updatedPkg.codePathString = scanFile.toString(); 7905 updatedPkg.resourcePath = scanFile; 7906 updatedPkg.resourcePathString = scanFile.toString(); 7907 } 7908 updatedPkg.pkg = pkg; 7909 updatedPkg.versionCode = pkg.mVersionCode; 7910 7911 // Update the disabled system child packages to point to the package too. 7912 final int childCount = updatedPkg.childPackageNames != null 7913 ? updatedPkg.childPackageNames.size() : 0; 7914 for (int i = 0; i < childCount; i++) { 7915 String childPackageName = updatedPkg.childPackageNames.get(i); 7916 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7917 childPackageName); 7918 if (updatedChildPkg != null) { 7919 updatedChildPkg.pkg = pkg; 7920 updatedChildPkg.versionCode = pkg.mVersionCode; 7921 } 7922 } 7923 7924 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7925 + scanFile + " ignored: updated version " + ps.versionCode 7926 + " better than this " + pkg.mVersionCode); 7927 } else { 7928 // The current app on the system partition is better than 7929 // what we have updated to on the data partition; switch 7930 // back to the system partition version. 7931 // At this point, its safely assumed that package installation for 7932 // apps in system partition will go through. If not there won't be a working 7933 // version of the app 7934 // writer 7935 synchronized (mPackages) { 7936 // Just remove the loaded entries from package lists. 7937 mPackages.remove(ps.name); 7938 } 7939 7940 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7941 + " reverting from " + ps.codePathString 7942 + ": new version " + pkg.mVersionCode 7943 + " better than installed " + ps.versionCode); 7944 7945 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7946 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7947 synchronized (mInstallLock) { 7948 args.cleanUpResourcesLI(); 7949 } 7950 synchronized (mPackages) { 7951 mSettings.enableSystemPackageLPw(ps.name); 7952 } 7953 updatedPkgBetter = true; 7954 } 7955 } 7956 } 7957 7958 if (updatedPkg != null) { 7959 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7960 // initially 7961 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7962 7963 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7964 // flag set initially 7965 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7966 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7967 } 7968 } 7969 7970 // Verify certificates against what was last scanned 7971 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7972 7973 /* 7974 * A new system app appeared, but we already had a non-system one of the 7975 * same name installed earlier. 7976 */ 7977 boolean shouldHideSystemApp = false; 7978 if (updatedPkg == null && ps != null 7979 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7980 /* 7981 * Check to make sure the signatures match first. If they don't, 7982 * wipe the installed application and its data. 7983 */ 7984 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7985 != PackageManager.SIGNATURE_MATCH) { 7986 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7987 + " signatures don't match existing userdata copy; removing"); 7988 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7989 "scanPackageInternalLI")) { 7990 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7991 } 7992 ps = null; 7993 } else { 7994 /* 7995 * If the newly-added system app is an older version than the 7996 * already installed version, hide it. It will be scanned later 7997 * and re-added like an update. 7998 */ 7999 if (pkg.mVersionCode <= ps.versionCode) { 8000 shouldHideSystemApp = true; 8001 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 8002 + " but new version " + pkg.mVersionCode + " better than installed " 8003 + ps.versionCode + "; hiding system"); 8004 } else { 8005 /* 8006 * The newly found system app is a newer version that the 8007 * one previously installed. Simply remove the 8008 * already-installed application and replace it with our own 8009 * while keeping the application data. 8010 */ 8011 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 8012 + " reverting from " + ps.codePathString + ": new version " 8013 + pkg.mVersionCode + " better than installed " + ps.versionCode); 8014 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 8015 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 8016 synchronized (mInstallLock) { 8017 args.cleanUpResourcesLI(); 8018 } 8019 } 8020 } 8021 } 8022 8023 // The apk is forward locked (not public) if its code and resources 8024 // are kept in different files. (except for app in either system or 8025 // vendor path). 8026 // TODO grab this value from PackageSettings 8027 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8028 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 8029 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 8030 } 8031 } 8032 8033 // TODO: extend to support forward-locked splits 8034 String resourcePath = null; 8035 String baseResourcePath = null; 8036 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 8037 if (ps != null && ps.resourcePathString != null) { 8038 resourcePath = ps.resourcePathString; 8039 baseResourcePath = ps.resourcePathString; 8040 } else { 8041 // Should not happen at all. Just log an error. 8042 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 8043 } 8044 } else { 8045 resourcePath = pkg.codePath; 8046 baseResourcePath = pkg.baseCodePath; 8047 } 8048 8049 // Set application objects path explicitly. 8050 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 8051 pkg.setApplicationInfoCodePath(pkg.codePath); 8052 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 8053 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 8054 pkg.setApplicationInfoResourcePath(resourcePath); 8055 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 8056 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 8057 8058 final int userId = ((user == null) ? 0 : user.getIdentifier()); 8059 if (ps != null && ps.getInstantApp(userId)) { 8060 scanFlags |= SCAN_AS_INSTANT_APP; 8061 } 8062 8063 // Note that we invoke the following method only if we are about to unpack an application 8064 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 8065 | SCAN_UPDATE_SIGNATURE, currentTime, user); 8066 8067 /* 8068 * If the system app should be overridden by a previously installed 8069 * data, hide the system app now and let the /data/app scan pick it up 8070 * again. 8071 */ 8072 if (shouldHideSystemApp) { 8073 synchronized (mPackages) { 8074 mSettings.disableSystemPackageLPw(pkg.packageName, true); 8075 } 8076 } 8077 8078 return scannedPkg; 8079 } 8080 8081 private void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 8082 // Derive the new package synthetic package name 8083 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 8084 + pkg.staticSharedLibVersion); 8085 } 8086 8087 private static String fixProcessName(String defProcessName, 8088 String processName) { 8089 if (processName == null) { 8090 return defProcessName; 8091 } 8092 return processName; 8093 } 8094 8095 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 8096 throws PackageManagerException { 8097 if (pkgSetting.signatures.mSignatures != null) { 8098 // Already existing package. Make sure signatures match 8099 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 8100 == PackageManager.SIGNATURE_MATCH; 8101 if (!match) { 8102 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 8103 == PackageManager.SIGNATURE_MATCH; 8104 } 8105 if (!match) { 8106 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 8107 == PackageManager.SIGNATURE_MATCH; 8108 } 8109 if (!match) { 8110 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 8111 + pkg.packageName + " signatures do not match the " 8112 + "previously installed version; ignoring!"); 8113 } 8114 } 8115 8116 // Check for shared user signatures 8117 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 8118 // Already existing package. Make sure signatures match 8119 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8120 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 8121 if (!match) { 8122 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 8123 == PackageManager.SIGNATURE_MATCH; 8124 } 8125 if (!match) { 8126 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 8127 == PackageManager.SIGNATURE_MATCH; 8128 } 8129 if (!match) { 8130 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 8131 "Package " + pkg.packageName 8132 + " has no signatures that match those in shared user " 8133 + pkgSetting.sharedUser.name + "; ignoring!"); 8134 } 8135 } 8136 } 8137 8138 /** 8139 * Enforces that only the system UID or root's UID can call a method exposed 8140 * via Binder. 8141 * 8142 * @param message used as message if SecurityException is thrown 8143 * @throws SecurityException if the caller is not system or root 8144 */ 8145 private static final void enforceSystemOrRoot(String message) { 8146 final int uid = Binder.getCallingUid(); 8147 if (uid != Process.SYSTEM_UID && uid != 0) { 8148 throw new SecurityException(message); 8149 } 8150 } 8151 8152 @Override 8153 public void performFstrimIfNeeded() { 8154 enforceSystemOrRoot("Only the system can request fstrim"); 8155 8156 // Before everything else, see whether we need to fstrim. 8157 try { 8158 IStorageManager sm = PackageHelper.getStorageManager(); 8159 if (sm != null) { 8160 boolean doTrim = false; 8161 final long interval = android.provider.Settings.Global.getLong( 8162 mContext.getContentResolver(), 8163 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 8164 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 8165 if (interval > 0) { 8166 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 8167 if (timeSinceLast > interval) { 8168 doTrim = true; 8169 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 8170 + "; running immediately"); 8171 } 8172 } 8173 if (doTrim) { 8174 final boolean dexOptDialogShown; 8175 synchronized (mPackages) { 8176 dexOptDialogShown = mDexOptDialogShown; 8177 } 8178 if (!isFirstBoot() && dexOptDialogShown) { 8179 try { 8180 ActivityManager.getService().showBootMessage( 8181 mContext.getResources().getString( 8182 R.string.android_upgrading_fstrim), true); 8183 } catch (RemoteException e) { 8184 } 8185 } 8186 sm.runMaintenance(); 8187 } 8188 } else { 8189 Slog.e(TAG, "storageManager service unavailable!"); 8190 } 8191 } catch (RemoteException e) { 8192 // Can't happen; StorageManagerService is local 8193 } 8194 } 8195 8196 @Override 8197 public void updatePackagesIfNeeded() { 8198 enforceSystemOrRoot("Only the system can request package update"); 8199 8200 // We need to re-extract after an OTA. 8201 boolean causeUpgrade = isUpgrade(); 8202 8203 // First boot or factory reset. 8204 // Note: we also handle devices that are upgrading to N right now as if it is their 8205 // first boot, as they do not have profile data. 8206 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 8207 8208 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 8209 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 8210 8211 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 8212 return; 8213 } 8214 8215 List<PackageParser.Package> pkgs; 8216 synchronized (mPackages) { 8217 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 8218 } 8219 8220 final long startTime = System.nanoTime(); 8221 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 8222 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 8223 8224 final int elapsedTimeSeconds = 8225 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 8226 8227 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 8228 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 8229 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 8230 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 8231 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 8232 } 8233 8234 /** 8235 * Performs dexopt on the set of packages in {@code packages} and returns an int array 8236 * containing statistics about the invocation. The array consists of three elements, 8237 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 8238 * and {@code numberOfPackagesFailed}. 8239 */ 8240 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 8241 String compilerFilter) { 8242 8243 int numberOfPackagesVisited = 0; 8244 int numberOfPackagesOptimized = 0; 8245 int numberOfPackagesSkipped = 0; 8246 int numberOfPackagesFailed = 0; 8247 final int numberOfPackagesToDexopt = pkgs.size(); 8248 8249 for (PackageParser.Package pkg : pkgs) { 8250 numberOfPackagesVisited++; 8251 8252 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 8253 if (DEBUG_DEXOPT) { 8254 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 8255 } 8256 numberOfPackagesSkipped++; 8257 continue; 8258 } 8259 8260 if (DEBUG_DEXOPT) { 8261 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 8262 numberOfPackagesToDexopt + ": " + pkg.packageName); 8263 } 8264 8265 if (showDialog) { 8266 try { 8267 ActivityManager.getService().showBootMessage( 8268 mContext.getResources().getString(R.string.android_upgrading_apk, 8269 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 8270 } catch (RemoteException e) { 8271 } 8272 synchronized (mPackages) { 8273 mDexOptDialogShown = true; 8274 } 8275 } 8276 8277 // If the OTA updates a system app which was previously preopted to a non-preopted state 8278 // the app might end up being verified at runtime. That's because by default the apps 8279 // are verify-profile but for preopted apps there's no profile. 8280 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 8281 // that before the OTA the app was preopted) the app gets compiled with a non-profile 8282 // filter (by default interpret-only). 8283 // Note that at this stage unused apps are already filtered. 8284 if (isSystemApp(pkg) && 8285 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 8286 !Environment.getReferenceProfile(pkg.packageName).exists()) { 8287 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 8288 } 8289 8290 // checkProfiles is false to avoid merging profiles during boot which 8291 // might interfere with background compilation (b/28612421). 8292 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 8293 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 8294 // trade-off worth doing to save boot time work. 8295 int dexOptStatus = performDexOptTraced(pkg.packageName, 8296 false /* checkProfiles */, 8297 compilerFilter, 8298 false /* force */); 8299 switch (dexOptStatus) { 8300 case PackageDexOptimizer.DEX_OPT_PERFORMED: 8301 numberOfPackagesOptimized++; 8302 break; 8303 case PackageDexOptimizer.DEX_OPT_SKIPPED: 8304 numberOfPackagesSkipped++; 8305 break; 8306 case PackageDexOptimizer.DEX_OPT_FAILED: 8307 numberOfPackagesFailed++; 8308 break; 8309 default: 8310 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 8311 break; 8312 } 8313 } 8314 8315 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 8316 numberOfPackagesFailed }; 8317 } 8318 8319 @Override 8320 public void notifyPackageUse(String packageName, int reason) { 8321 synchronized (mPackages) { 8322 PackageParser.Package p = mPackages.get(packageName); 8323 if (p == null) { 8324 return; 8325 } 8326 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 8327 } 8328 } 8329 8330 @Override 8331 public void notifyDexLoad(String loadingPackageName, List<String> dexPaths, String loaderIsa) { 8332 int userId = UserHandle.getCallingUserId(); 8333 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 8334 if (ai == null) { 8335 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 8336 + loadingPackageName + ", user=" + userId); 8337 return; 8338 } 8339 mDexManager.notifyDexLoad(ai, dexPaths, loaderIsa, userId); 8340 } 8341 8342 // TODO: this is not used nor needed. Delete it. 8343 @Override 8344 public boolean performDexOptIfNeeded(String packageName) { 8345 int dexOptStatus = performDexOptTraced(packageName, 8346 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 8347 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8348 } 8349 8350 @Override 8351 public boolean performDexOpt(String packageName, 8352 boolean checkProfiles, int compileReason, boolean force) { 8353 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8354 getCompilerFilterForReason(compileReason), force); 8355 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8356 } 8357 8358 @Override 8359 public boolean performDexOptMode(String packageName, 8360 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8361 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8362 targetCompilerFilter, force); 8363 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8364 } 8365 8366 private int performDexOptTraced(String packageName, 8367 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8368 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8369 try { 8370 return performDexOptInternal(packageName, checkProfiles, 8371 targetCompilerFilter, force); 8372 } finally { 8373 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8374 } 8375 } 8376 8377 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 8378 // if the package can now be considered up to date for the given filter. 8379 private int performDexOptInternal(String packageName, 8380 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8381 PackageParser.Package p; 8382 synchronized (mPackages) { 8383 p = mPackages.get(packageName); 8384 if (p == null) { 8385 // Package could not be found. Report failure. 8386 return PackageDexOptimizer.DEX_OPT_FAILED; 8387 } 8388 mPackageUsage.maybeWriteAsync(mPackages); 8389 mCompilerStats.maybeWriteAsync(); 8390 } 8391 long callingId = Binder.clearCallingIdentity(); 8392 try { 8393 synchronized (mInstallLock) { 8394 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 8395 targetCompilerFilter, force); 8396 } 8397 } finally { 8398 Binder.restoreCallingIdentity(callingId); 8399 } 8400 } 8401 8402 public ArraySet<String> getOptimizablePackages() { 8403 ArraySet<String> pkgs = new ArraySet<String>(); 8404 synchronized (mPackages) { 8405 for (PackageParser.Package p : mPackages.values()) { 8406 if (PackageDexOptimizer.canOptimizePackage(p)) { 8407 pkgs.add(p.packageName); 8408 } 8409 } 8410 } 8411 return pkgs; 8412 } 8413 8414 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 8415 boolean checkProfiles, String targetCompilerFilter, 8416 boolean force) { 8417 // Select the dex optimizer based on the force parameter. 8418 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 8419 // allocate an object here. 8420 PackageDexOptimizer pdo = force 8421 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 8422 : mPackageDexOptimizer; 8423 8424 // Dexopt all dependencies first. Note: we ignore the return value and march on 8425 // on errors. 8426 // Note that we are going to call performDexOpt on those libraries as many times as 8427 // they are referenced in packages. When we do a batch of performDexOpt (for example 8428 // at boot, or background job), the passed 'targetCompilerFilter' stays the same, 8429 // and the first package that uses the library will dexopt it. The 8430 // others will see that the compiled code for the library is up to date. 8431 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 8432 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 8433 if (!deps.isEmpty()) { 8434 for (PackageParser.Package depPackage : deps) { 8435 // TODO: Analyze and investigate if we (should) profile libraries. 8436 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 8437 false /* checkProfiles */, 8438 targetCompilerFilter, 8439 getOrCreateCompilerPackageStats(depPackage), 8440 true /* isUsedByOtherApps */); 8441 } 8442 } 8443 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 8444 targetCompilerFilter, getOrCreateCompilerPackageStats(p), 8445 mDexManager.isUsedByOtherApps(p.packageName)); 8446 } 8447 8448 // Performs dexopt on the used secondary dex files belonging to the given package. 8449 // Returns true if all dex files were process successfully (which could mean either dexopt or 8450 // skip). Returns false if any of the files caused errors. 8451 @Override 8452 public boolean performDexOptSecondary(String packageName, String compilerFilter, 8453 boolean force) { 8454 return mDexManager.dexoptSecondaryDex(packageName, compilerFilter, force); 8455 } 8456 8457 public boolean performDexOptSecondary(String packageName, int compileReason, 8458 boolean force) { 8459 return mDexManager.dexoptSecondaryDex(packageName, compileReason, force); 8460 } 8461 8462 /** 8463 * Reconcile the information we have about the secondary dex files belonging to 8464 * {@code packagName} and the actual dex files. For all dex files that were 8465 * deleted, update the internal records and delete the generated oat files. 8466 */ 8467 @Override 8468 public void reconcileSecondaryDexFiles(String packageName) { 8469 mDexManager.reconcileSecondaryDexFiles(packageName); 8470 } 8471 8472 // TODO(calin): this is only needed for BackgroundDexOptService. Find a cleaner way to inject 8473 // a reference there. 8474 /*package*/ DexManager getDexManager() { 8475 return mDexManager; 8476 } 8477 8478 /** 8479 * Execute the background dexopt job immediately. 8480 */ 8481 @Override 8482 public boolean runBackgroundDexoptJob() { 8483 return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext); 8484 } 8485 8486 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 8487 if (p.usesLibraries != null || p.usesOptionalLibraries != null 8488 || p.usesStaticLibraries != null) { 8489 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 8490 Set<String> collectedNames = new HashSet<>(); 8491 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 8492 8493 retValue.remove(p); 8494 8495 return retValue; 8496 } else { 8497 return Collections.emptyList(); 8498 } 8499 } 8500 8501 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 8502 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8503 if (!collectedNames.contains(p.packageName)) { 8504 collectedNames.add(p.packageName); 8505 collected.add(p); 8506 8507 if (p.usesLibraries != null) { 8508 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 8509 null, collected, collectedNames); 8510 } 8511 if (p.usesOptionalLibraries != null) { 8512 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 8513 null, collected, collectedNames); 8514 } 8515 if (p.usesStaticLibraries != null) { 8516 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 8517 p.usesStaticLibrariesVersions, collected, collectedNames); 8518 } 8519 } 8520 } 8521 8522 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, int[] versions, 8523 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8524 final int libNameCount = libs.size(); 8525 for (int i = 0; i < libNameCount; i++) { 8526 String libName = libs.get(i); 8527 int version = (versions != null && versions.length == libNameCount) 8528 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 8529 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 8530 if (libPkg != null) { 8531 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 8532 } 8533 } 8534 } 8535 8536 private PackageParser.Package findSharedNonSystemLibrary(String name, int version) { 8537 synchronized (mPackages) { 8538 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 8539 if (libEntry != null) { 8540 return mPackages.get(libEntry.apk); 8541 } 8542 return null; 8543 } 8544 } 8545 8546 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, int version) { 8547 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 8548 if (versionedLib == null) { 8549 return null; 8550 } 8551 return versionedLib.get(version); 8552 } 8553 8554 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 8555 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 8556 pkg.staticSharedLibName); 8557 if (versionedLib == null) { 8558 return null; 8559 } 8560 int previousLibVersion = -1; 8561 final int versionCount = versionedLib.size(); 8562 for (int i = 0; i < versionCount; i++) { 8563 final int libVersion = versionedLib.keyAt(i); 8564 if (libVersion < pkg.staticSharedLibVersion) { 8565 previousLibVersion = Math.max(previousLibVersion, libVersion); 8566 } 8567 } 8568 if (previousLibVersion >= 0) { 8569 return versionedLib.get(previousLibVersion); 8570 } 8571 return null; 8572 } 8573 8574 public void shutdown() { 8575 mPackageUsage.writeNow(mPackages); 8576 mCompilerStats.writeNow(); 8577 } 8578 8579 @Override 8580 public void dumpProfiles(String packageName) { 8581 PackageParser.Package pkg; 8582 synchronized (mPackages) { 8583 pkg = mPackages.get(packageName); 8584 if (pkg == null) { 8585 throw new IllegalArgumentException("Unknown package: " + packageName); 8586 } 8587 } 8588 /* Only the shell, root, or the app user should be able to dump profiles. */ 8589 int callingUid = Binder.getCallingUid(); 8590 if (callingUid != Process.SHELL_UID && 8591 callingUid != Process.ROOT_UID && 8592 callingUid != pkg.applicationInfo.uid) { 8593 throw new SecurityException("dumpProfiles"); 8594 } 8595 8596 synchronized (mInstallLock) { 8597 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 8598 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 8599 try { 8600 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 8601 String codePaths = TextUtils.join(";", allCodePaths); 8602 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 8603 } catch (InstallerException e) { 8604 Slog.w(TAG, "Failed to dump profiles", e); 8605 } 8606 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8607 } 8608 } 8609 8610 @Override 8611 public void forceDexOpt(String packageName) { 8612 enforceSystemOrRoot("forceDexOpt"); 8613 8614 PackageParser.Package pkg; 8615 synchronized (mPackages) { 8616 pkg = mPackages.get(packageName); 8617 if (pkg == null) { 8618 throw new IllegalArgumentException("Unknown package: " + packageName); 8619 } 8620 } 8621 8622 synchronized (mInstallLock) { 8623 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8624 8625 // Whoever is calling forceDexOpt wants a fully compiled package. 8626 // Don't use profiles since that may cause compilation to be skipped. 8627 final int res = performDexOptInternalWithDependenciesLI(pkg, 8628 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 8629 true /* force */); 8630 8631 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8632 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 8633 throw new IllegalStateException("Failed to dexopt: " + res); 8634 } 8635 } 8636 } 8637 8638 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 8639 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 8640 Slog.w(TAG, "Unable to update from " + oldPkg.name 8641 + " to " + newPkg.packageName 8642 + ": old package not in system partition"); 8643 return false; 8644 } else if (mPackages.get(oldPkg.name) != null) { 8645 Slog.w(TAG, "Unable to update from " + oldPkg.name 8646 + " to " + newPkg.packageName 8647 + ": old package still exists"); 8648 return false; 8649 } 8650 return true; 8651 } 8652 8653 void removeCodePathLI(File codePath) { 8654 if (codePath.isDirectory()) { 8655 try { 8656 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 8657 } catch (InstallerException e) { 8658 Slog.w(TAG, "Failed to remove code path", e); 8659 } 8660 } else { 8661 codePath.delete(); 8662 } 8663 } 8664 8665 private int[] resolveUserIds(int userId) { 8666 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 8667 } 8668 8669 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8670 if (pkg == null) { 8671 Slog.wtf(TAG, "Package was null!", new Throwable()); 8672 return; 8673 } 8674 clearAppDataLeafLIF(pkg, userId, flags); 8675 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8676 for (int i = 0; i < childCount; i++) { 8677 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8678 } 8679 } 8680 8681 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8682 final PackageSetting ps; 8683 synchronized (mPackages) { 8684 ps = mSettings.mPackages.get(pkg.packageName); 8685 } 8686 for (int realUserId : resolveUserIds(userId)) { 8687 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8688 try { 8689 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8690 ceDataInode); 8691 } catch (InstallerException e) { 8692 Slog.w(TAG, String.valueOf(e)); 8693 } 8694 } 8695 } 8696 8697 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8698 if (pkg == null) { 8699 Slog.wtf(TAG, "Package was null!", new Throwable()); 8700 return; 8701 } 8702 destroyAppDataLeafLIF(pkg, userId, flags); 8703 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8704 for (int i = 0; i < childCount; i++) { 8705 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8706 } 8707 } 8708 8709 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8710 final PackageSetting ps; 8711 synchronized (mPackages) { 8712 ps = mSettings.mPackages.get(pkg.packageName); 8713 } 8714 for (int realUserId : resolveUserIds(userId)) { 8715 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8716 try { 8717 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8718 ceDataInode); 8719 } catch (InstallerException e) { 8720 Slog.w(TAG, String.valueOf(e)); 8721 } 8722 mDexManager.notifyPackageDataDestroyed(pkg.packageName, userId); 8723 } 8724 } 8725 8726 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 8727 if (pkg == null) { 8728 Slog.wtf(TAG, "Package was null!", new Throwable()); 8729 return; 8730 } 8731 destroyAppProfilesLeafLIF(pkg); 8732 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8733 for (int i = 0; i < childCount; i++) { 8734 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 8735 } 8736 } 8737 8738 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 8739 try { 8740 mInstaller.destroyAppProfiles(pkg.packageName); 8741 } catch (InstallerException e) { 8742 Slog.w(TAG, String.valueOf(e)); 8743 } 8744 } 8745 8746 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 8747 if (pkg == null) { 8748 Slog.wtf(TAG, "Package was null!", new Throwable()); 8749 return; 8750 } 8751 clearAppProfilesLeafLIF(pkg); 8752 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8753 for (int i = 0; i < childCount; i++) { 8754 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 8755 } 8756 } 8757 8758 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 8759 try { 8760 mInstaller.clearAppProfiles(pkg.packageName); 8761 } catch (InstallerException e) { 8762 Slog.w(TAG, String.valueOf(e)); 8763 } 8764 } 8765 8766 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 8767 long lastUpdateTime) { 8768 // Set parent install/update time 8769 PackageSetting ps = (PackageSetting) pkg.mExtras; 8770 if (ps != null) { 8771 ps.firstInstallTime = firstInstallTime; 8772 ps.lastUpdateTime = lastUpdateTime; 8773 } 8774 // Set children install/update time 8775 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8776 for (int i = 0; i < childCount; i++) { 8777 PackageParser.Package childPkg = pkg.childPackages.get(i); 8778 ps = (PackageSetting) childPkg.mExtras; 8779 if (ps != null) { 8780 ps.firstInstallTime = firstInstallTime; 8781 ps.lastUpdateTime = lastUpdateTime; 8782 } 8783 } 8784 } 8785 8786 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 8787 PackageParser.Package changingLib) { 8788 if (file.path != null) { 8789 usesLibraryFiles.add(file.path); 8790 return; 8791 } 8792 PackageParser.Package p = mPackages.get(file.apk); 8793 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 8794 // If we are doing this while in the middle of updating a library apk, 8795 // then we need to make sure to use that new apk for determining the 8796 // dependencies here. (We haven't yet finished committing the new apk 8797 // to the package manager state.) 8798 if (p == null || p.packageName.equals(changingLib.packageName)) { 8799 p = changingLib; 8800 } 8801 } 8802 if (p != null) { 8803 usesLibraryFiles.addAll(p.getAllCodePaths()); 8804 } 8805 } 8806 8807 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 8808 PackageParser.Package changingLib) throws PackageManagerException { 8809 if (pkg == null) { 8810 return; 8811 } 8812 ArraySet<String> usesLibraryFiles = null; 8813 if (pkg.usesLibraries != null) { 8814 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 8815 null, null, pkg.packageName, changingLib, true, null); 8816 } 8817 if (pkg.usesStaticLibraries != null) { 8818 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 8819 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 8820 pkg.packageName, changingLib, true, usesLibraryFiles); 8821 } 8822 if (pkg.usesOptionalLibraries != null) { 8823 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 8824 null, null, pkg.packageName, changingLib, false, usesLibraryFiles); 8825 } 8826 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 8827 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 8828 } else { 8829 pkg.usesLibraryFiles = null; 8830 } 8831 } 8832 8833 private ArraySet<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 8834 @Nullable int[] requiredVersions, @Nullable String[] requiredCertDigests, 8835 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 8836 boolean required, @Nullable ArraySet<String> outUsedLibraries) 8837 throws PackageManagerException { 8838 final int libCount = requestedLibraries.size(); 8839 for (int i = 0; i < libCount; i++) { 8840 final String libName = requestedLibraries.get(i); 8841 final int libVersion = requiredVersions != null ? requiredVersions[i] 8842 : SharedLibraryInfo.VERSION_UNDEFINED; 8843 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 8844 if (libEntry == null) { 8845 if (required) { 8846 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8847 "Package " + packageName + " requires unavailable shared library " 8848 + libName + "; failing!"); 8849 } else { 8850 Slog.w(TAG, "Package " + packageName 8851 + " desires unavailable shared library " 8852 + libName + "; ignoring!"); 8853 } 8854 } else { 8855 if (requiredVersions != null && requiredCertDigests != null) { 8856 if (libEntry.info.getVersion() != requiredVersions[i]) { 8857 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8858 "Package " + packageName + " requires unavailable static shared" 8859 + " library " + libName + " version " 8860 + libEntry.info.getVersion() + "; failing!"); 8861 } 8862 8863 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 8864 if (libPkg == null) { 8865 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8866 "Package " + packageName + " requires unavailable static shared" 8867 + " library; failing!"); 8868 } 8869 8870 String expectedCertDigest = requiredCertDigests[i]; 8871 String libCertDigest = PackageUtils.computeCertSha256Digest( 8872 libPkg.mSignatures[0]); 8873 if (!libCertDigest.equalsIgnoreCase(expectedCertDigest)) { 8874 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8875 "Package " + packageName + " requires differently signed" + 8876 " static shared library; failing!"); 8877 } 8878 } 8879 8880 if (outUsedLibraries == null) { 8881 outUsedLibraries = new ArraySet<>(); 8882 } 8883 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 8884 } 8885 } 8886 return outUsedLibraries; 8887 } 8888 8889 private static boolean hasString(List<String> list, List<String> which) { 8890 if (list == null) { 8891 return false; 8892 } 8893 for (int i=list.size()-1; i>=0; i--) { 8894 for (int j=which.size()-1; j>=0; j--) { 8895 if (which.get(j).equals(list.get(i))) { 8896 return true; 8897 } 8898 } 8899 } 8900 return false; 8901 } 8902 8903 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 8904 PackageParser.Package changingPkg) { 8905 ArrayList<PackageParser.Package> res = null; 8906 for (PackageParser.Package pkg : mPackages.values()) { 8907 if (changingPkg != null 8908 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 8909 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 8910 && !ArrayUtils.contains(pkg.usesStaticLibraries, 8911 changingPkg.staticSharedLibName)) { 8912 return null; 8913 } 8914 if (res == null) { 8915 res = new ArrayList<>(); 8916 } 8917 res.add(pkg); 8918 try { 8919 updateSharedLibrariesLPr(pkg, changingPkg); 8920 } catch (PackageManagerException e) { 8921 // If a system app update or an app and a required lib missing we 8922 // delete the package and for updated system apps keep the data as 8923 // it is better for the user to reinstall than to be in an limbo 8924 // state. Also libs disappearing under an app should never happen 8925 // - just in case. 8926 if (!pkg.isSystemApp() || pkg.isUpdatedSystemApp()) { 8927 final int flags = pkg.isUpdatedSystemApp() 8928 ? PackageManager.DELETE_KEEP_DATA : 0; 8929 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 8930 flags , null, true, null); 8931 } 8932 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8933 } 8934 } 8935 return res; 8936 } 8937 8938 /** 8939 * Derive the value of the {@code cpuAbiOverride} based on the provided 8940 * value and an optional stored value from the package settings. 8941 */ 8942 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 8943 String cpuAbiOverride = null; 8944 8945 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 8946 cpuAbiOverride = null; 8947 } else if (abiOverride != null) { 8948 cpuAbiOverride = abiOverride; 8949 } else if (settings != null) { 8950 cpuAbiOverride = settings.cpuAbiOverrideString; 8951 } 8952 8953 return cpuAbiOverride; 8954 } 8955 8956 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 8957 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 8958 throws PackageManagerException { 8959 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 8960 // If the package has children and this is the first dive in the function 8961 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 8962 // whether all packages (parent and children) would be successfully scanned 8963 // before the actual scan since scanning mutates internal state and we want 8964 // to atomically install the package and its children. 8965 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8966 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8967 scanFlags |= SCAN_CHECK_ONLY; 8968 } 8969 } else { 8970 scanFlags &= ~SCAN_CHECK_ONLY; 8971 } 8972 8973 final PackageParser.Package scannedPkg; 8974 try { 8975 // Scan the parent 8976 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 8977 // Scan the children 8978 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8979 for (int i = 0; i < childCount; i++) { 8980 PackageParser.Package childPkg = pkg.childPackages.get(i); 8981 scanPackageLI(childPkg, policyFlags, 8982 scanFlags, currentTime, user); 8983 } 8984 } finally { 8985 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8986 } 8987 8988 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8989 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 8990 } 8991 8992 return scannedPkg; 8993 } 8994 8995 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 8996 int scanFlags, long currentTime, @Nullable UserHandle user) 8997 throws PackageManagerException { 8998 boolean success = false; 8999 try { 9000 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 9001 currentTime, user); 9002 success = true; 9003 return res; 9004 } finally { 9005 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 9006 // DELETE_DATA_ON_FAILURES is only used by frozen paths 9007 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 9008 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 9009 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 9010 } 9011 } 9012 } 9013 9014 /** 9015 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 9016 */ 9017 private static boolean apkHasCode(String fileName) { 9018 StrictJarFile jarFile = null; 9019 try { 9020 jarFile = new StrictJarFile(fileName, 9021 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 9022 return jarFile.findEntry("classes.dex") != null; 9023 } catch (IOException ignore) { 9024 } finally { 9025 try { 9026 if (jarFile != null) { 9027 jarFile.close(); 9028 } 9029 } catch (IOException ignore) {} 9030 } 9031 return false; 9032 } 9033 9034 /** 9035 * Enforces code policy for the package. This ensures that if an APK has 9036 * declared hasCode="true" in its manifest that the APK actually contains 9037 * code. 9038 * 9039 * @throws PackageManagerException If bytecode could not be found when it should exist 9040 */ 9041 private static void assertCodePolicy(PackageParser.Package pkg) 9042 throws PackageManagerException { 9043 final boolean shouldHaveCode = 9044 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 9045 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 9046 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9047 "Package " + pkg.baseCodePath + " code is missing"); 9048 } 9049 9050 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 9051 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 9052 final boolean splitShouldHaveCode = 9053 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 9054 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 9055 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9056 "Package " + pkg.splitCodePaths[i] + " code is missing"); 9057 } 9058 } 9059 } 9060 } 9061 9062 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 9063 final int policyFlags, final int scanFlags, long currentTime, @Nullable UserHandle user) 9064 throws PackageManagerException { 9065 if (DEBUG_PACKAGE_SCANNING) { 9066 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9067 Log.d(TAG, "Scanning package " + pkg.packageName); 9068 } 9069 9070 applyPolicy(pkg, policyFlags); 9071 9072 assertPackageIsValid(pkg, policyFlags, scanFlags); 9073 9074 // Initialize package source and resource directories 9075 final File scanFile = new File(pkg.codePath); 9076 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 9077 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 9078 9079 SharedUserSetting suid = null; 9080 PackageSetting pkgSetting = null; 9081 9082 // Getting the package setting may have a side-effect, so if we 9083 // are only checking if scan would succeed, stash a copy of the 9084 // old setting to restore at the end. 9085 PackageSetting nonMutatedPs = null; 9086 9087 // We keep references to the derived CPU Abis from settings in oder to reuse 9088 // them in the case where we're not upgrading or booting for the first time. 9089 String primaryCpuAbiFromSettings = null; 9090 String secondaryCpuAbiFromSettings = null; 9091 9092 // writer 9093 synchronized (mPackages) { 9094 if (pkg.mSharedUserId != null) { 9095 // SIDE EFFECTS; may potentially allocate a new shared user 9096 suid = mSettings.getSharedUserLPw( 9097 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 9098 if (DEBUG_PACKAGE_SCANNING) { 9099 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9100 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 9101 + "): packages=" + suid.packages); 9102 } 9103 } 9104 9105 // Check if we are renaming from an original package name. 9106 PackageSetting origPackage = null; 9107 String realName = null; 9108 if (pkg.mOriginalPackages != null) { 9109 // This package may need to be renamed to a previously 9110 // installed name. Let's check on that... 9111 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 9112 if (pkg.mOriginalPackages.contains(renamed)) { 9113 // This package had originally been installed as the 9114 // original name, and we have already taken care of 9115 // transitioning to the new one. Just update the new 9116 // one to continue using the old name. 9117 realName = pkg.mRealPackage; 9118 if (!pkg.packageName.equals(renamed)) { 9119 // Callers into this function may have already taken 9120 // care of renaming the package; only do it here if 9121 // it is not already done. 9122 pkg.setPackageName(renamed); 9123 } 9124 } else { 9125 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 9126 if ((origPackage = mSettings.getPackageLPr( 9127 pkg.mOriginalPackages.get(i))) != null) { 9128 // We do have the package already installed under its 9129 // original name... should we use it? 9130 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 9131 // New package is not compatible with original. 9132 origPackage = null; 9133 continue; 9134 } else if (origPackage.sharedUser != null) { 9135 // Make sure uid is compatible between packages. 9136 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 9137 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 9138 + " to " + pkg.packageName + ": old uid " 9139 + origPackage.sharedUser.name 9140 + " differs from " + pkg.mSharedUserId); 9141 origPackage = null; 9142 continue; 9143 } 9144 // TODO: Add case when shared user id is added [b/28144775] 9145 } else { 9146 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 9147 + pkg.packageName + " to old name " + origPackage.name); 9148 } 9149 break; 9150 } 9151 } 9152 } 9153 } 9154 9155 if (mTransferedPackages.contains(pkg.packageName)) { 9156 Slog.w(TAG, "Package " + pkg.packageName 9157 + " was transferred to another, but its .apk remains"); 9158 } 9159 9160 // See comments in nonMutatedPs declaration 9161 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9162 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9163 if (foundPs != null) { 9164 nonMutatedPs = new PackageSetting(foundPs); 9165 } 9166 } 9167 9168 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 9169 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9170 if (foundPs != null) { 9171 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 9172 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 9173 } 9174 } 9175 9176 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 9177 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 9178 PackageManagerService.reportSettingsProblem(Log.WARN, 9179 "Package " + pkg.packageName + " shared user changed from " 9180 + (pkgSetting.sharedUser != null 9181 ? pkgSetting.sharedUser.name : "<nothing>") 9182 + " to " 9183 + (suid != null ? suid.name : "<nothing>") 9184 + "; replacing with new"); 9185 pkgSetting = null; 9186 } 9187 final PackageSetting oldPkgSetting = 9188 pkgSetting == null ? null : new PackageSetting(pkgSetting); 9189 final PackageSetting disabledPkgSetting = 9190 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 9191 9192 String[] usesStaticLibraries = null; 9193 if (pkg.usesStaticLibraries != null) { 9194 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 9195 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 9196 } 9197 9198 if (pkgSetting == null) { 9199 final String parentPackageName = (pkg.parentPackage != null) 9200 ? pkg.parentPackage.packageName : null; 9201 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 9202 // REMOVE SharedUserSetting from method; update in a separate call 9203 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 9204 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 9205 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 9206 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 9207 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 9208 true /*allowInstall*/, instantApp, parentPackageName, 9209 pkg.getChildPackageNames(), UserManagerService.getInstance(), 9210 usesStaticLibraries, pkg.usesStaticLibrariesVersions); 9211 // SIDE EFFECTS; updates system state; move elsewhere 9212 if (origPackage != null) { 9213 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 9214 } 9215 mSettings.addUserToSettingLPw(pkgSetting); 9216 } else { 9217 // REMOVE SharedUserSetting from method; update in a separate call. 9218 // 9219 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 9220 // secondaryCpuAbi are not known at this point so we always update them 9221 // to null here, only to reset them at a later point. 9222 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 9223 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 9224 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 9225 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 9226 UserManagerService.getInstance(), usesStaticLibraries, 9227 pkg.usesStaticLibrariesVersions); 9228 } 9229 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 9230 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 9231 9232 // SIDE EFFECTS; modifies system state; move elsewhere 9233 if (pkgSetting.origPackage != null) { 9234 // If we are first transitioning from an original package, 9235 // fix up the new package's name now. We need to do this after 9236 // looking up the package under its new name, so getPackageLP 9237 // can take care of fiddling things correctly. 9238 pkg.setPackageName(origPackage.name); 9239 9240 // File a report about this. 9241 String msg = "New package " + pkgSetting.realName 9242 + " renamed to replace old package " + pkgSetting.name; 9243 reportSettingsProblem(Log.WARN, msg); 9244 9245 // Make a note of it. 9246 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9247 mTransferedPackages.add(origPackage.name); 9248 } 9249 9250 // No longer need to retain this. 9251 pkgSetting.origPackage = null; 9252 } 9253 9254 // SIDE EFFECTS; modifies system state; move elsewhere 9255 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 9256 // Make a note of it. 9257 mTransferedPackages.add(pkg.packageName); 9258 } 9259 9260 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 9261 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9262 } 9263 9264 if ((scanFlags & SCAN_BOOTING) == 0 9265 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9266 // Check all shared libraries and map to their actual file path. 9267 // We only do this here for apps not on a system dir, because those 9268 // are the only ones that can fail an install due to this. We 9269 // will take care of the system apps by updating all of their 9270 // library paths after the scan is done. Also during the initial 9271 // scan don't update any libs as we do this wholesale after all 9272 // apps are scanned to avoid dependency based scanning. 9273 updateSharedLibrariesLPr(pkg, null); 9274 } 9275 9276 if (mFoundPolicyFile) { 9277 SELinuxMMAC.assignSeInfoValue(pkg); 9278 } 9279 pkg.applicationInfo.uid = pkgSetting.appId; 9280 pkg.mExtras = pkgSetting; 9281 9282 9283 // Static shared libs have same package with different versions where 9284 // we internally use a synthetic package name to allow multiple versions 9285 // of the same package, therefore we need to compare signatures against 9286 // the package setting for the latest library version. 9287 PackageSetting signatureCheckPs = pkgSetting; 9288 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9289 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 9290 if (libraryEntry != null) { 9291 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 9292 } 9293 } 9294 9295 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 9296 if (checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 9297 // We just determined the app is signed correctly, so bring 9298 // over the latest parsed certs. 9299 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9300 } else { 9301 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9302 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9303 "Package " + pkg.packageName + " upgrade keys do not match the " 9304 + "previously installed version"); 9305 } else { 9306 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9307 String msg = "System package " + pkg.packageName 9308 + " signature changed; retaining data."; 9309 reportSettingsProblem(Log.WARN, msg); 9310 } 9311 } 9312 } else { 9313 try { 9314 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 9315 verifySignaturesLP(signatureCheckPs, pkg); 9316 // We just determined the app is signed correctly, so bring 9317 // over the latest parsed certs. 9318 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9319 } catch (PackageManagerException e) { 9320 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9321 throw e; 9322 } 9323 // The signature has changed, but this package is in the system 9324 // image... let's recover! 9325 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9326 // However... if this package is part of a shared user, but it 9327 // doesn't match the signature of the shared user, let's fail. 9328 // What this means is that you can't change the signatures 9329 // associated with an overall shared user, which doesn't seem all 9330 // that unreasonable. 9331 if (signatureCheckPs.sharedUser != null) { 9332 if (compareSignatures(signatureCheckPs.sharedUser.signatures.mSignatures, 9333 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 9334 throw new PackageManagerException( 9335 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9336 "Signature mismatch for shared user: " 9337 + pkgSetting.sharedUser); 9338 } 9339 } 9340 // File a report about this. 9341 String msg = "System package " + pkg.packageName 9342 + " signature changed; retaining data."; 9343 reportSettingsProblem(Log.WARN, msg); 9344 } 9345 } 9346 9347 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 9348 // This package wants to adopt ownership of permissions from 9349 // another package. 9350 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 9351 final String origName = pkg.mAdoptPermissions.get(i); 9352 final PackageSetting orig = mSettings.getPackageLPr(origName); 9353 if (orig != null) { 9354 if (verifyPackageUpdateLPr(orig, pkg)) { 9355 Slog.i(TAG, "Adopting permissions from " + origName + " to " 9356 + pkg.packageName); 9357 // SIDE EFFECTS; updates permissions system state; move elsewhere 9358 mSettings.transferPermissionsLPw(origName, pkg.packageName); 9359 } 9360 } 9361 } 9362 } 9363 } 9364 9365 pkg.applicationInfo.processName = fixProcessName( 9366 pkg.applicationInfo.packageName, 9367 pkg.applicationInfo.processName); 9368 9369 if (pkg != mPlatformPackage) { 9370 // Get all of our default paths setup 9371 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 9372 } 9373 9374 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 9375 9376 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 9377 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 9378 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 9379 derivePackageAbi( 9380 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 9381 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9382 9383 // Some system apps still use directory structure for native libraries 9384 // in which case we might end up not detecting abi solely based on apk 9385 // structure. Try to detect abi based on directory structure. 9386 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 9387 pkg.applicationInfo.primaryCpuAbi == null) { 9388 setBundledAppAbisAndRoots(pkg, pkgSetting); 9389 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9390 } 9391 } else { 9392 // This is not a first boot or an upgrade, don't bother deriving the 9393 // ABI during the scan. Instead, trust the value that was stored in the 9394 // package setting. 9395 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 9396 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 9397 9398 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9399 9400 if (DEBUG_ABI_SELECTION) { 9401 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 9402 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 9403 pkg.applicationInfo.secondaryCpuAbi); 9404 } 9405 } 9406 } else { 9407 if ((scanFlags & SCAN_MOVE) != 0) { 9408 // We haven't run dex-opt for this move (since we've moved the compiled output too) 9409 // but we already have this packages package info in the PackageSetting. We just 9410 // use that and derive the native library path based on the new codepath. 9411 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 9412 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 9413 } 9414 9415 // Set native library paths again. For moves, the path will be updated based on the 9416 // ABIs we've determined above. For non-moves, the path will be updated based on the 9417 // ABIs we determined during compilation, but the path will depend on the final 9418 // package path (after the rename away from the stage path). 9419 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9420 } 9421 9422 // This is a special case for the "system" package, where the ABI is 9423 // dictated by the zygote configuration (and init.rc). We should keep track 9424 // of this ABI so that we can deal with "normal" applications that run under 9425 // the same UID correctly. 9426 if (mPlatformPackage == pkg) { 9427 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 9428 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 9429 } 9430 9431 // If there's a mismatch between the abi-override in the package setting 9432 // and the abiOverride specified for the install. Warn about this because we 9433 // would've already compiled the app without taking the package setting into 9434 // account. 9435 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 9436 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 9437 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 9438 " for package " + pkg.packageName); 9439 } 9440 } 9441 9442 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9443 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9444 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 9445 9446 // Copy the derived override back to the parsed package, so that we can 9447 // update the package settings accordingly. 9448 pkg.cpuAbiOverride = cpuAbiOverride; 9449 9450 if (DEBUG_ABI_SELECTION) { 9451 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 9452 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 9453 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 9454 } 9455 9456 // Push the derived path down into PackageSettings so we know what to 9457 // clean up at uninstall time. 9458 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 9459 9460 if (DEBUG_ABI_SELECTION) { 9461 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 9462 " primary=" + pkg.applicationInfo.primaryCpuAbi + 9463 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 9464 } 9465 9466 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 9467 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 9468 // We don't do this here during boot because we can do it all 9469 // at once after scanning all existing packages. 9470 // 9471 // We also do this *before* we perform dexopt on this package, so that 9472 // we can avoid redundant dexopts, and also to make sure we've got the 9473 // code and package path correct. 9474 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 9475 } 9476 9477 if (mFactoryTest && pkg.requestedPermissions.contains( 9478 android.Manifest.permission.FACTORY_TEST)) { 9479 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 9480 } 9481 9482 if (isSystemApp(pkg)) { 9483 pkgSetting.isOrphaned = true; 9484 } 9485 9486 // Take care of first install / last update times. 9487 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 9488 if (currentTime != 0) { 9489 if (pkgSetting.firstInstallTime == 0) { 9490 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 9491 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 9492 pkgSetting.lastUpdateTime = currentTime; 9493 } 9494 } else if (pkgSetting.firstInstallTime == 0) { 9495 // We need *something*. Take time time stamp of the file. 9496 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 9497 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 9498 if (scanFileTime != pkgSetting.timeStamp) { 9499 // A package on the system image has changed; consider this 9500 // to be an update. 9501 pkgSetting.lastUpdateTime = scanFileTime; 9502 } 9503 } 9504 pkgSetting.setTimeStamp(scanFileTime); 9505 9506 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9507 if (nonMutatedPs != null) { 9508 synchronized (mPackages) { 9509 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 9510 } 9511 } 9512 } else { 9513 final int userId = user == null ? 0 : user.getIdentifier(); 9514 // Modify state for the given package setting 9515 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 9516 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 9517 if (pkgSetting.getInstantApp(userId)) { 9518 mInstantAppRegistry.addInstantAppLPw(userId, pkgSetting.appId); 9519 } 9520 } 9521 return pkg; 9522 } 9523 9524 /** 9525 * Applies policy to the parsed package based upon the given policy flags. 9526 * Ensures the package is in a good state. 9527 * <p> 9528 * Implementation detail: This method must NOT have any side effect. It would 9529 * ideally be static, but, it requires locks to read system state. 9530 */ 9531 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 9532 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 9533 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 9534 if (pkg.applicationInfo.isDirectBootAware()) { 9535 // we're direct boot aware; set for all components 9536 for (PackageParser.Service s : pkg.services) { 9537 s.info.encryptionAware = s.info.directBootAware = true; 9538 } 9539 for (PackageParser.Provider p : pkg.providers) { 9540 p.info.encryptionAware = p.info.directBootAware = true; 9541 } 9542 for (PackageParser.Activity a : pkg.activities) { 9543 a.info.encryptionAware = a.info.directBootAware = true; 9544 } 9545 for (PackageParser.Activity r : pkg.receivers) { 9546 r.info.encryptionAware = r.info.directBootAware = true; 9547 } 9548 } 9549 } else { 9550 // Only allow system apps to be flagged as core apps. 9551 pkg.coreApp = false; 9552 // clear flags not applicable to regular apps 9553 pkg.applicationInfo.privateFlags &= 9554 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 9555 pkg.applicationInfo.privateFlags &= 9556 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 9557 } 9558 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 9559 9560 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 9561 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 9562 } 9563 9564 if (!isSystemApp(pkg)) { 9565 // Only system apps can use these features. 9566 pkg.mOriginalPackages = null; 9567 pkg.mRealPackage = null; 9568 pkg.mAdoptPermissions = null; 9569 } 9570 } 9571 9572 /** 9573 * Asserts the parsed package is valid according to the given policy. If the 9574 * package is invalid, for whatever reason, throws {@link PackageManagerException}. 9575 * <p> 9576 * Implementation detail: This method must NOT have any side effects. It would 9577 * ideally be static, but, it requires locks to read system state. 9578 * 9579 * @throws PackageManagerException If the package fails any of the validation checks 9580 */ 9581 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 9582 throws PackageManagerException { 9583 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 9584 assertCodePolicy(pkg); 9585 } 9586 9587 if (pkg.applicationInfo.getCodePath() == null || 9588 pkg.applicationInfo.getResourcePath() == null) { 9589 // Bail out. The resource and code paths haven't been set. 9590 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9591 "Code and resource paths haven't been set correctly"); 9592 } 9593 9594 // Make sure we're not adding any bogus keyset info 9595 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9596 ksms.assertScannedPackageValid(pkg); 9597 9598 synchronized (mPackages) { 9599 // The special "android" package can only be defined once 9600 if (pkg.packageName.equals("android")) { 9601 if (mAndroidApplication != null) { 9602 Slog.w(TAG, "*************************************************"); 9603 Slog.w(TAG, "Core android package being redefined. Skipping."); 9604 Slog.w(TAG, " codePath=" + pkg.codePath); 9605 Slog.w(TAG, "*************************************************"); 9606 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9607 "Core android package being redefined. Skipping."); 9608 } 9609 } 9610 9611 // A package name must be unique; don't allow duplicates 9612 if (mPackages.containsKey(pkg.packageName)) { 9613 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9614 "Application package " + pkg.packageName 9615 + " already installed. Skipping duplicate."); 9616 } 9617 9618 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9619 // Static libs have a synthetic package name containing the version 9620 // but we still want the base name to be unique. 9621 if (mPackages.containsKey(pkg.manifestPackageName)) { 9622 throw new PackageManagerException( 9623 "Duplicate static shared lib provider package"); 9624 } 9625 9626 // Static shared libraries should have at least O target SDK 9627 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 9628 throw new PackageManagerException( 9629 "Packages declaring static-shared libs must target O SDK or higher"); 9630 } 9631 9632 // Package declaring static a shared lib cannot be instant apps 9633 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 9634 throw new PackageManagerException( 9635 "Packages declaring static-shared libs cannot be instant apps"); 9636 } 9637 9638 // Package declaring static a shared lib cannot be renamed since the package 9639 // name is synthetic and apps can't code around package manager internals. 9640 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 9641 throw new PackageManagerException( 9642 "Packages declaring static-shared libs cannot be renamed"); 9643 } 9644 9645 // Package declaring static a shared lib cannot declare child packages 9646 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 9647 throw new PackageManagerException( 9648 "Packages declaring static-shared libs cannot have child packages"); 9649 } 9650 9651 // Package declaring static a shared lib cannot declare dynamic libs 9652 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 9653 throw new PackageManagerException( 9654 "Packages declaring static-shared libs cannot declare dynamic libs"); 9655 } 9656 9657 // Package declaring static a shared lib cannot declare shared users 9658 if (pkg.mSharedUserId != null) { 9659 throw new PackageManagerException( 9660 "Packages declaring static-shared libs cannot declare shared users"); 9661 } 9662 9663 // Static shared libs cannot declare activities 9664 if (!pkg.activities.isEmpty()) { 9665 throw new PackageManagerException( 9666 "Static shared libs cannot declare activities"); 9667 } 9668 9669 // Static shared libs cannot declare services 9670 if (!pkg.services.isEmpty()) { 9671 throw new PackageManagerException( 9672 "Static shared libs cannot declare services"); 9673 } 9674 9675 // Static shared libs cannot declare providers 9676 if (!pkg.providers.isEmpty()) { 9677 throw new PackageManagerException( 9678 "Static shared libs cannot declare content providers"); 9679 } 9680 9681 // Static shared libs cannot declare receivers 9682 if (!pkg.receivers.isEmpty()) { 9683 throw new PackageManagerException( 9684 "Static shared libs cannot declare broadcast receivers"); 9685 } 9686 9687 // Static shared libs cannot declare permission groups 9688 if (!pkg.permissionGroups.isEmpty()) { 9689 throw new PackageManagerException( 9690 "Static shared libs cannot declare permission groups"); 9691 } 9692 9693 // Static shared libs cannot declare permissions 9694 if (!pkg.permissions.isEmpty()) { 9695 throw new PackageManagerException( 9696 "Static shared libs cannot declare permissions"); 9697 } 9698 9699 // Static shared libs cannot declare protected broadcasts 9700 if (pkg.protectedBroadcasts != null) { 9701 throw new PackageManagerException( 9702 "Static shared libs cannot declare protected broadcasts"); 9703 } 9704 9705 // Static shared libs cannot be overlay targets 9706 if (pkg.mOverlayTarget != null) { 9707 throw new PackageManagerException( 9708 "Static shared libs cannot be overlay targets"); 9709 } 9710 9711 // The version codes must be ordered as lib versions 9712 int minVersionCode = Integer.MIN_VALUE; 9713 int maxVersionCode = Integer.MAX_VALUE; 9714 9715 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9716 pkg.staticSharedLibName); 9717 if (versionedLib != null) { 9718 final int versionCount = versionedLib.size(); 9719 for (int i = 0; i < versionCount; i++) { 9720 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 9721 // TODO: We will change version code to long, so in the new API it is long 9722 final int libVersionCode = (int) libInfo.getDeclaringPackage() 9723 .getVersionCode(); 9724 if (libInfo.getVersion() < pkg.staticSharedLibVersion) { 9725 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 9726 } else if (libInfo.getVersion() > pkg.staticSharedLibVersion) { 9727 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 9728 } else { 9729 minVersionCode = maxVersionCode = libVersionCode; 9730 break; 9731 } 9732 } 9733 } 9734 if (pkg.mVersionCode < minVersionCode || pkg.mVersionCode > maxVersionCode) { 9735 throw new PackageManagerException("Static shared" 9736 + " lib version codes must be ordered as lib versions"); 9737 } 9738 } 9739 9740 // Only privileged apps and updated privileged apps can add child packages. 9741 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 9742 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 9743 throw new PackageManagerException("Only privileged apps can add child " 9744 + "packages. Ignoring package " + pkg.packageName); 9745 } 9746 final int childCount = pkg.childPackages.size(); 9747 for (int i = 0; i < childCount; i++) { 9748 PackageParser.Package childPkg = pkg.childPackages.get(i); 9749 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 9750 childPkg.packageName)) { 9751 throw new PackageManagerException("Can't override child of " 9752 + "another disabled app. Ignoring package " + pkg.packageName); 9753 } 9754 } 9755 } 9756 9757 // If we're only installing presumed-existing packages, require that the 9758 // scanned APK is both already known and at the path previously established 9759 // for it. Previously unknown packages we pick up normally, but if we have an 9760 // a priori expectation about this package's install presence, enforce it. 9761 // With a singular exception for new system packages. When an OTA contains 9762 // a new system package, we allow the codepath to change from a system location 9763 // to the user-installed location. If we don't allow this change, any newer, 9764 // user-installed version of the application will be ignored. 9765 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 9766 if (mExpectingBetter.containsKey(pkg.packageName)) { 9767 logCriticalInfo(Log.WARN, 9768 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 9769 } else { 9770 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 9771 if (known != null) { 9772 if (DEBUG_PACKAGE_SCANNING) { 9773 Log.d(TAG, "Examining " + pkg.codePath 9774 + " and requiring known paths " + known.codePathString 9775 + " & " + known.resourcePathString); 9776 } 9777 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 9778 || !pkg.applicationInfo.getResourcePath().equals( 9779 known.resourcePathString)) { 9780 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 9781 "Application package " + pkg.packageName 9782 + " found at " + pkg.applicationInfo.getCodePath() 9783 + " but expected at " + known.codePathString 9784 + "; ignoring."); 9785 } 9786 } 9787 } 9788 } 9789 9790 // Verify that this new package doesn't have any content providers 9791 // that conflict with existing packages. Only do this if the 9792 // package isn't already installed, since we don't want to break 9793 // things that are installed. 9794 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 9795 final int N = pkg.providers.size(); 9796 int i; 9797 for (i=0; i<N; i++) { 9798 PackageParser.Provider p = pkg.providers.get(i); 9799 if (p.info.authority != null) { 9800 String names[] = p.info.authority.split(";"); 9801 for (int j = 0; j < names.length; j++) { 9802 if (mProvidersByAuthority.containsKey(names[j])) { 9803 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9804 final String otherPackageName = 9805 ((other != null && other.getComponentName() != null) ? 9806 other.getComponentName().getPackageName() : "?"); 9807 throw new PackageManagerException( 9808 INSTALL_FAILED_CONFLICTING_PROVIDER, 9809 "Can't install because provider name " + names[j] 9810 + " (in package " + pkg.applicationInfo.packageName 9811 + ") is already used by " + otherPackageName); 9812 } 9813 } 9814 } 9815 } 9816 } 9817 } 9818 } 9819 9820 private boolean addSharedLibraryLPw(String path, String apk, String name, int version, 9821 int type, String declaringPackageName, int declaringVersionCode) { 9822 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9823 if (versionedLib == null) { 9824 versionedLib = new SparseArray<>(); 9825 mSharedLibraries.put(name, versionedLib); 9826 if (type == SharedLibraryInfo.TYPE_STATIC) { 9827 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 9828 } 9829 } else if (versionedLib.indexOfKey(version) >= 0) { 9830 return false; 9831 } 9832 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 9833 version, type, declaringPackageName, declaringVersionCode); 9834 versionedLib.put(version, libEntry); 9835 return true; 9836 } 9837 9838 private boolean removeSharedLibraryLPw(String name, int version) { 9839 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9840 if (versionedLib == null) { 9841 return false; 9842 } 9843 final int libIdx = versionedLib.indexOfKey(version); 9844 if (libIdx < 0) { 9845 return false; 9846 } 9847 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 9848 versionedLib.remove(version); 9849 if (versionedLib.size() <= 0) { 9850 mSharedLibraries.remove(name); 9851 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 9852 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 9853 .getPackageName()); 9854 } 9855 } 9856 return true; 9857 } 9858 9859 /** 9860 * Adds a scanned package to the system. When this method is finished, the package will 9861 * be available for query, resolution, etc... 9862 */ 9863 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 9864 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 9865 final String pkgName = pkg.packageName; 9866 if (mCustomResolverComponentName != null && 9867 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 9868 setUpCustomResolverActivity(pkg); 9869 } 9870 9871 if (pkg.packageName.equals("android")) { 9872 synchronized (mPackages) { 9873 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9874 // Set up information for our fall-back user intent resolution activity. 9875 mPlatformPackage = pkg; 9876 pkg.mVersionCode = mSdkVersion; 9877 mAndroidApplication = pkg.applicationInfo; 9878 if (!mResolverReplaced) { 9879 mResolveActivity.applicationInfo = mAndroidApplication; 9880 mResolveActivity.name = ResolverActivity.class.getName(); 9881 mResolveActivity.packageName = mAndroidApplication.packageName; 9882 mResolveActivity.processName = "system:ui"; 9883 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9884 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 9885 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 9886 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 9887 mResolveActivity.exported = true; 9888 mResolveActivity.enabled = true; 9889 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 9890 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 9891 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 9892 | ActivityInfo.CONFIG_SCREEN_LAYOUT 9893 | ActivityInfo.CONFIG_ORIENTATION 9894 | ActivityInfo.CONFIG_KEYBOARD 9895 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 9896 mResolveInfo.activityInfo = mResolveActivity; 9897 mResolveInfo.priority = 0; 9898 mResolveInfo.preferredOrder = 0; 9899 mResolveInfo.match = 0; 9900 mResolveComponentName = new ComponentName( 9901 mAndroidApplication.packageName, mResolveActivity.name); 9902 } 9903 } 9904 } 9905 } 9906 9907 ArrayList<PackageParser.Package> clientLibPkgs = null; 9908 // writer 9909 synchronized (mPackages) { 9910 boolean hasStaticSharedLibs = false; 9911 9912 // Any app can add new static shared libraries 9913 if (pkg.staticSharedLibName != null) { 9914 // Static shared libs don't allow renaming as they have synthetic package 9915 // names to allow install of multiple versions, so use name from manifest. 9916 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 9917 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 9918 pkg.manifestPackageName, pkg.mVersionCode)) { 9919 hasStaticSharedLibs = true; 9920 } else { 9921 Slog.w(TAG, "Package " + pkg.packageName + " library " 9922 + pkg.staticSharedLibName + " already exists; skipping"); 9923 } 9924 // Static shared libs cannot be updated once installed since they 9925 // use synthetic package name which includes the version code, so 9926 // not need to update other packages's shared lib dependencies. 9927 } 9928 9929 if (!hasStaticSharedLibs 9930 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 9931 // Only system apps can add new dynamic shared libraries. 9932 if (pkg.libraryNames != null) { 9933 for (int i = 0; i < pkg.libraryNames.size(); i++) { 9934 String name = pkg.libraryNames.get(i); 9935 boolean allowed = false; 9936 if (pkg.isUpdatedSystemApp()) { 9937 // New library entries can only be added through the 9938 // system image. This is important to get rid of a lot 9939 // of nasty edge cases: for example if we allowed a non- 9940 // system update of the app to add a library, then uninstalling 9941 // the update would make the library go away, and assumptions 9942 // we made such as through app install filtering would now 9943 // have allowed apps on the device which aren't compatible 9944 // with it. Better to just have the restriction here, be 9945 // conservative, and create many fewer cases that can negatively 9946 // impact the user experience. 9947 final PackageSetting sysPs = mSettings 9948 .getDisabledSystemPkgLPr(pkg.packageName); 9949 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 9950 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 9951 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 9952 allowed = true; 9953 break; 9954 } 9955 } 9956 } 9957 } else { 9958 allowed = true; 9959 } 9960 if (allowed) { 9961 if (!addSharedLibraryLPw(null, pkg.packageName, name, 9962 SharedLibraryInfo.VERSION_UNDEFINED, 9963 SharedLibraryInfo.TYPE_DYNAMIC, 9964 pkg.packageName, pkg.mVersionCode)) { 9965 Slog.w(TAG, "Package " + pkg.packageName + " library " 9966 + name + " already exists; skipping"); 9967 } 9968 } else { 9969 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 9970 + name + " that is not declared on system image; skipping"); 9971 } 9972 } 9973 9974 if ((scanFlags & SCAN_BOOTING) == 0) { 9975 // If we are not booting, we need to update any applications 9976 // that are clients of our shared library. If we are booting, 9977 // this will all be done once the scan is complete. 9978 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 9979 } 9980 } 9981 } 9982 } 9983 9984 if ((scanFlags & SCAN_BOOTING) != 0) { 9985 // No apps can run during boot scan, so they don't need to be frozen 9986 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 9987 // Caller asked to not kill app, so it's probably not frozen 9988 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 9989 // Caller asked us to ignore frozen check for some reason; they 9990 // probably didn't know the package name 9991 } else { 9992 // We're doing major surgery on this package, so it better be frozen 9993 // right now to keep it from launching 9994 checkPackageFrozen(pkgName); 9995 } 9996 9997 // Also need to kill any apps that are dependent on the library. 9998 if (clientLibPkgs != null) { 9999 for (int i=0; i<clientLibPkgs.size(); i++) { 10000 PackageParser.Package clientPkg = clientLibPkgs.get(i); 10001 killApplication(clientPkg.applicationInfo.packageName, 10002 clientPkg.applicationInfo.uid, "update lib"); 10003 } 10004 } 10005 10006 // writer 10007 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 10008 10009 synchronized (mPackages) { 10010 // We don't expect installation to fail beyond this point 10011 10012 // Add the new setting to mSettings 10013 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 10014 // Add the new setting to mPackages 10015 mPackages.put(pkg.applicationInfo.packageName, pkg); 10016 // Make sure we don't accidentally delete its data. 10017 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 10018 while (iter.hasNext()) { 10019 PackageCleanItem item = iter.next(); 10020 if (pkgName.equals(item.packageName)) { 10021 iter.remove(); 10022 } 10023 } 10024 10025 // Add the package's KeySets to the global KeySetManagerService 10026 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10027 ksms.addScannedPackageLPw(pkg); 10028 10029 int N = pkg.providers.size(); 10030 StringBuilder r = null; 10031 int i; 10032 for (i=0; i<N; i++) { 10033 PackageParser.Provider p = pkg.providers.get(i); 10034 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 10035 p.info.processName); 10036 mProviders.addProvider(p); 10037 p.syncable = p.info.isSyncable; 10038 if (p.info.authority != null) { 10039 String names[] = p.info.authority.split(";"); 10040 p.info.authority = null; 10041 for (int j = 0; j < names.length; j++) { 10042 if (j == 1 && p.syncable) { 10043 // We only want the first authority for a provider to possibly be 10044 // syncable, so if we already added this provider using a different 10045 // authority clear the syncable flag. We copy the provider before 10046 // changing it because the mProviders object contains a reference 10047 // to a provider that we don't want to change. 10048 // Only do this for the second authority since the resulting provider 10049 // object can be the same for all future authorities for this provider. 10050 p = new PackageParser.Provider(p); 10051 p.syncable = false; 10052 } 10053 if (!mProvidersByAuthority.containsKey(names[j])) { 10054 mProvidersByAuthority.put(names[j], p); 10055 if (p.info.authority == null) { 10056 p.info.authority = names[j]; 10057 } else { 10058 p.info.authority = p.info.authority + ";" + names[j]; 10059 } 10060 if (DEBUG_PACKAGE_SCANNING) { 10061 if (chatty) 10062 Log.d(TAG, "Registered content provider: " + names[j] 10063 + ", className = " + p.info.name + ", isSyncable = " 10064 + p.info.isSyncable); 10065 } 10066 } else { 10067 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 10068 Slog.w(TAG, "Skipping provider name " + names[j] + 10069 " (in package " + pkg.applicationInfo.packageName + 10070 "): name already used by " 10071 + ((other != null && other.getComponentName() != null) 10072 ? other.getComponentName().getPackageName() : "?")); 10073 } 10074 } 10075 } 10076 if (chatty) { 10077 if (r == null) { 10078 r = new StringBuilder(256); 10079 } else { 10080 r.append(' '); 10081 } 10082 r.append(p.info.name); 10083 } 10084 } 10085 if (r != null) { 10086 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 10087 } 10088 10089 N = pkg.services.size(); 10090 r = null; 10091 for (i=0; i<N; i++) { 10092 PackageParser.Service s = pkg.services.get(i); 10093 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 10094 s.info.processName); 10095 mServices.addService(s); 10096 if (chatty) { 10097 if (r == null) { 10098 r = new StringBuilder(256); 10099 } else { 10100 r.append(' '); 10101 } 10102 r.append(s.info.name); 10103 } 10104 } 10105 if (r != null) { 10106 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 10107 } 10108 10109 N = pkg.receivers.size(); 10110 r = null; 10111 for (i=0; i<N; i++) { 10112 PackageParser.Activity a = pkg.receivers.get(i); 10113 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10114 a.info.processName); 10115 mReceivers.addActivity(a, "receiver"); 10116 if (chatty) { 10117 if (r == null) { 10118 r = new StringBuilder(256); 10119 } else { 10120 r.append(' '); 10121 } 10122 r.append(a.info.name); 10123 } 10124 } 10125 if (r != null) { 10126 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 10127 } 10128 10129 N = pkg.activities.size(); 10130 r = null; 10131 for (i=0; i<N; i++) { 10132 PackageParser.Activity a = pkg.activities.get(i); 10133 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10134 a.info.processName); 10135 mActivities.addActivity(a, "activity"); 10136 if (chatty) { 10137 if (r == null) { 10138 r = new StringBuilder(256); 10139 } else { 10140 r.append(' '); 10141 } 10142 r.append(a.info.name); 10143 } 10144 } 10145 if (r != null) { 10146 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 10147 } 10148 10149 N = pkg.permissionGroups.size(); 10150 r = null; 10151 for (i=0; i<N; i++) { 10152 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 10153 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 10154 final String curPackageName = cur == null ? null : cur.info.packageName; 10155 // Dont allow ephemeral apps to define new permission groups. 10156 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10157 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10158 + pg.info.packageName 10159 + " ignored: instant apps cannot define new permission groups."); 10160 continue; 10161 } 10162 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 10163 if (cur == null || isPackageUpdate) { 10164 mPermissionGroups.put(pg.info.name, pg); 10165 if (chatty) { 10166 if (r == null) { 10167 r = new StringBuilder(256); 10168 } else { 10169 r.append(' '); 10170 } 10171 if (isPackageUpdate) { 10172 r.append("UPD:"); 10173 } 10174 r.append(pg.info.name); 10175 } 10176 } else { 10177 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10178 + pg.info.packageName + " ignored: original from " 10179 + cur.info.packageName); 10180 if (chatty) { 10181 if (r == null) { 10182 r = new StringBuilder(256); 10183 } else { 10184 r.append(' '); 10185 } 10186 r.append("DUP:"); 10187 r.append(pg.info.name); 10188 } 10189 } 10190 } 10191 if (r != null) { 10192 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 10193 } 10194 10195 N = pkg.permissions.size(); 10196 r = null; 10197 for (i=0; i<N; i++) { 10198 PackageParser.Permission p = pkg.permissions.get(i); 10199 10200 // Dont allow ephemeral apps to define new permissions. 10201 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10202 Slog.w(TAG, "Permission " + p.info.name + " from package " 10203 + p.info.packageName 10204 + " ignored: instant apps cannot define new permissions."); 10205 continue; 10206 } 10207 10208 // Assume by default that we did not install this permission into the system. 10209 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 10210 10211 // Now that permission groups have a special meaning, we ignore permission 10212 // groups for legacy apps to prevent unexpected behavior. In particular, 10213 // permissions for one app being granted to someone just becase they happen 10214 // to be in a group defined by another app (before this had no implications). 10215 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 10216 p.group = mPermissionGroups.get(p.info.group); 10217 // Warn for a permission in an unknown group. 10218 if (p.info.group != null && p.group == null) { 10219 Slog.w(TAG, "Permission " + p.info.name + " from package " 10220 + p.info.packageName + " in an unknown group " + p.info.group); 10221 } 10222 } 10223 10224 ArrayMap<String, BasePermission> permissionMap = 10225 p.tree ? mSettings.mPermissionTrees 10226 : mSettings.mPermissions; 10227 BasePermission bp = permissionMap.get(p.info.name); 10228 10229 // Allow system apps to redefine non-system permissions 10230 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 10231 final boolean currentOwnerIsSystem = (bp.perm != null 10232 && isSystemApp(bp.perm.owner)); 10233 if (isSystemApp(p.owner)) { 10234 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 10235 // It's a built-in permission and no owner, take ownership now 10236 bp.packageSetting = pkgSetting; 10237 bp.perm = p; 10238 bp.uid = pkg.applicationInfo.uid; 10239 bp.sourcePackage = p.info.packageName; 10240 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10241 } else if (!currentOwnerIsSystem) { 10242 String msg = "New decl " + p.owner + " of permission " 10243 + p.info.name + " is system; overriding " + bp.sourcePackage; 10244 reportSettingsProblem(Log.WARN, msg); 10245 bp = null; 10246 } 10247 } 10248 } 10249 10250 if (bp == null) { 10251 bp = new BasePermission(p.info.name, p.info.packageName, 10252 BasePermission.TYPE_NORMAL); 10253 permissionMap.put(p.info.name, bp); 10254 } 10255 10256 if (bp.perm == null) { 10257 if (bp.sourcePackage == null 10258 || bp.sourcePackage.equals(p.info.packageName)) { 10259 BasePermission tree = findPermissionTreeLP(p.info.name); 10260 if (tree == null 10261 || tree.sourcePackage.equals(p.info.packageName)) { 10262 bp.packageSetting = pkgSetting; 10263 bp.perm = p; 10264 bp.uid = pkg.applicationInfo.uid; 10265 bp.sourcePackage = p.info.packageName; 10266 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10267 if (chatty) { 10268 if (r == null) { 10269 r = new StringBuilder(256); 10270 } else { 10271 r.append(' '); 10272 } 10273 r.append(p.info.name); 10274 } 10275 } else { 10276 Slog.w(TAG, "Permission " + p.info.name + " from package " 10277 + p.info.packageName + " ignored: base tree " 10278 + tree.name + " is from package " 10279 + tree.sourcePackage); 10280 } 10281 } else { 10282 Slog.w(TAG, "Permission " + p.info.name + " from package " 10283 + p.info.packageName + " ignored: original from " 10284 + bp.sourcePackage); 10285 } 10286 } else if (chatty) { 10287 if (r == null) { 10288 r = new StringBuilder(256); 10289 } else { 10290 r.append(' '); 10291 } 10292 r.append("DUP:"); 10293 r.append(p.info.name); 10294 } 10295 if (bp.perm == p) { 10296 bp.protectionLevel = p.info.protectionLevel; 10297 } 10298 } 10299 10300 if (r != null) { 10301 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 10302 } 10303 10304 N = pkg.instrumentation.size(); 10305 r = null; 10306 for (i=0; i<N; i++) { 10307 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 10308 a.info.packageName = pkg.applicationInfo.packageName; 10309 a.info.sourceDir = pkg.applicationInfo.sourceDir; 10310 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 10311 a.info.splitNames = pkg.splitNames; 10312 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 10313 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 10314 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 10315 a.info.dataDir = pkg.applicationInfo.dataDir; 10316 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 10317 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 10318 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 10319 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 10320 mInstrumentation.put(a.getComponentName(), a); 10321 if (chatty) { 10322 if (r == null) { 10323 r = new StringBuilder(256); 10324 } else { 10325 r.append(' '); 10326 } 10327 r.append(a.info.name); 10328 } 10329 } 10330 if (r != null) { 10331 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 10332 } 10333 10334 if (pkg.protectedBroadcasts != null) { 10335 N = pkg.protectedBroadcasts.size(); 10336 for (i=0; i<N; i++) { 10337 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 10338 } 10339 } 10340 } 10341 10342 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10343 } 10344 10345 /** 10346 * Derive the ABI of a non-system package located at {@code scanFile}. This information 10347 * is derived purely on the basis of the contents of {@code scanFile} and 10348 * {@code cpuAbiOverride}. 10349 * 10350 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 10351 */ 10352 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 10353 String cpuAbiOverride, boolean extractLibs, 10354 File appLib32InstallDir) 10355 throws PackageManagerException { 10356 // Give ourselves some initial paths; we'll come back for another 10357 // pass once we've determined ABI below. 10358 setNativeLibraryPaths(pkg, appLib32InstallDir); 10359 10360 // We would never need to extract libs for forward-locked and external packages, 10361 // since the container service will do it for us. We shouldn't attempt to 10362 // extract libs from system app when it was not updated. 10363 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 10364 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 10365 extractLibs = false; 10366 } 10367 10368 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 10369 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 10370 10371 NativeLibraryHelper.Handle handle = null; 10372 try { 10373 handle = NativeLibraryHelper.Handle.create(pkg); 10374 // TODO(multiArch): This can be null for apps that didn't go through the 10375 // usual installation process. We can calculate it again, like we 10376 // do during install time. 10377 // 10378 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 10379 // unnecessary. 10380 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 10381 10382 // Null out the abis so that they can be recalculated. 10383 pkg.applicationInfo.primaryCpuAbi = null; 10384 pkg.applicationInfo.secondaryCpuAbi = null; 10385 if (isMultiArch(pkg.applicationInfo)) { 10386 // Warn if we've set an abiOverride for multi-lib packages.. 10387 // By definition, we need to copy both 32 and 64 bit libraries for 10388 // such packages. 10389 if (pkg.cpuAbiOverride != null 10390 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 10391 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 10392 } 10393 10394 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 10395 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 10396 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 10397 if (extractLibs) { 10398 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10399 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10400 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 10401 useIsaSpecificSubdirs); 10402 } else { 10403 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10404 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 10405 } 10406 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10407 } 10408 10409 maybeThrowExceptionForMultiArchCopy( 10410 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 10411 10412 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 10413 if (extractLibs) { 10414 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10415 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10416 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 10417 useIsaSpecificSubdirs); 10418 } else { 10419 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10420 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 10421 } 10422 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10423 } 10424 10425 maybeThrowExceptionForMultiArchCopy( 10426 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 10427 10428 if (abi64 >= 0) { 10429 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 10430 } 10431 10432 if (abi32 >= 0) { 10433 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 10434 if (abi64 >= 0) { 10435 if (pkg.use32bitAbi) { 10436 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 10437 pkg.applicationInfo.primaryCpuAbi = abi; 10438 } else { 10439 pkg.applicationInfo.secondaryCpuAbi = abi; 10440 } 10441 } else { 10442 pkg.applicationInfo.primaryCpuAbi = abi; 10443 } 10444 } 10445 10446 } else { 10447 String[] abiList = (cpuAbiOverride != null) ? 10448 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 10449 10450 // Enable gross and lame hacks for apps that are built with old 10451 // SDK tools. We must scan their APKs for renderscript bitcode and 10452 // not launch them if it's present. Don't bother checking on devices 10453 // that don't have 64 bit support. 10454 boolean needsRenderScriptOverride = false; 10455 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 10456 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 10457 abiList = Build.SUPPORTED_32_BIT_ABIS; 10458 needsRenderScriptOverride = true; 10459 } 10460 10461 final int copyRet; 10462 if (extractLibs) { 10463 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10464 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10465 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 10466 } else { 10467 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10468 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 10469 } 10470 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10471 10472 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 10473 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 10474 "Error unpackaging native libs for app, errorCode=" + copyRet); 10475 } 10476 10477 if (copyRet >= 0) { 10478 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 10479 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 10480 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 10481 } else if (needsRenderScriptOverride) { 10482 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 10483 } 10484 } 10485 } catch (IOException ioe) { 10486 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 10487 } finally { 10488 IoUtils.closeQuietly(handle); 10489 } 10490 10491 // Now that we've calculated the ABIs and determined if it's an internal app, 10492 // we will go ahead and populate the nativeLibraryPath. 10493 setNativeLibraryPaths(pkg, appLib32InstallDir); 10494 } 10495 10496 /** 10497 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 10498 * i.e, so that all packages can be run inside a single process if required. 10499 * 10500 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 10501 * this function will either try and make the ABI for all packages in {@code packagesForUser} 10502 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 10503 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 10504 * updating a package that belongs to a shared user. 10505 * 10506 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 10507 * adds unnecessary complexity. 10508 */ 10509 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 10510 PackageParser.Package scannedPackage) { 10511 String requiredInstructionSet = null; 10512 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 10513 requiredInstructionSet = VMRuntime.getInstructionSet( 10514 scannedPackage.applicationInfo.primaryCpuAbi); 10515 } 10516 10517 PackageSetting requirer = null; 10518 for (PackageSetting ps : packagesForUser) { 10519 // If packagesForUser contains scannedPackage, we skip it. This will happen 10520 // when scannedPackage is an update of an existing package. Without this check, 10521 // we will never be able to change the ABI of any package belonging to a shared 10522 // user, even if it's compatible with other packages. 10523 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10524 if (ps.primaryCpuAbiString == null) { 10525 continue; 10526 } 10527 10528 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 10529 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 10530 // We have a mismatch between instruction sets (say arm vs arm64) warn about 10531 // this but there's not much we can do. 10532 String errorMessage = "Instruction set mismatch, " 10533 + ((requirer == null) ? "[caller]" : requirer) 10534 + " requires " + requiredInstructionSet + " whereas " + ps 10535 + " requires " + instructionSet; 10536 Slog.w(TAG, errorMessage); 10537 } 10538 10539 if (requiredInstructionSet == null) { 10540 requiredInstructionSet = instructionSet; 10541 requirer = ps; 10542 } 10543 } 10544 } 10545 10546 if (requiredInstructionSet != null) { 10547 String adjustedAbi; 10548 if (requirer != null) { 10549 // requirer != null implies that either scannedPackage was null or that scannedPackage 10550 // did not require an ABI, in which case we have to adjust scannedPackage to match 10551 // the ABI of the set (which is the same as requirer's ABI) 10552 adjustedAbi = requirer.primaryCpuAbiString; 10553 if (scannedPackage != null) { 10554 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 10555 } 10556 } else { 10557 // requirer == null implies that we're updating all ABIs in the set to 10558 // match scannedPackage. 10559 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 10560 } 10561 10562 for (PackageSetting ps : packagesForUser) { 10563 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10564 if (ps.primaryCpuAbiString != null) { 10565 continue; 10566 } 10567 10568 ps.primaryCpuAbiString = adjustedAbi; 10569 if (ps.pkg != null && ps.pkg.applicationInfo != null && 10570 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 10571 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 10572 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 10573 + " (requirer=" 10574 + (requirer != null ? requirer.pkg : "null") 10575 + ", scannedPackage=" 10576 + (scannedPackage != null ? scannedPackage : "null") 10577 + ")"); 10578 try { 10579 mInstaller.rmdex(ps.codePathString, 10580 getDexCodeInstructionSet(getPreferredInstructionSet())); 10581 } catch (InstallerException ignored) { 10582 } 10583 } 10584 } 10585 } 10586 } 10587 } 10588 10589 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 10590 synchronized (mPackages) { 10591 mResolverReplaced = true; 10592 // Set up information for custom user intent resolution activity. 10593 mResolveActivity.applicationInfo = pkg.applicationInfo; 10594 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 10595 mResolveActivity.packageName = pkg.applicationInfo.packageName; 10596 mResolveActivity.processName = pkg.applicationInfo.packageName; 10597 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10598 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 10599 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10600 mResolveActivity.theme = 0; 10601 mResolveActivity.exported = true; 10602 mResolveActivity.enabled = true; 10603 mResolveInfo.activityInfo = mResolveActivity; 10604 mResolveInfo.priority = 0; 10605 mResolveInfo.preferredOrder = 0; 10606 mResolveInfo.match = 0; 10607 mResolveComponentName = mCustomResolverComponentName; 10608 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 10609 mResolveComponentName); 10610 } 10611 } 10612 10613 private void setUpInstantAppInstallerActivityLP(ActivityInfo installerActivity) { 10614 if (installerActivity == null) { 10615 if (DEBUG_EPHEMERAL) { 10616 Slog.d(TAG, "Clear ephemeral installer activity"); 10617 } 10618 mInstantAppInstallerActivity = null; 10619 return; 10620 } 10621 10622 if (DEBUG_EPHEMERAL) { 10623 Slog.d(TAG, "Set ephemeral installer activity: " 10624 + installerActivity.getComponentName()); 10625 } 10626 // Set up information for ephemeral installer activity 10627 mInstantAppInstallerActivity = installerActivity; 10628 mInstantAppInstallerActivity.flags |= ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 10629 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10630 mInstantAppInstallerActivity.exported = true; 10631 mInstantAppInstallerActivity.enabled = true; 10632 mInstantAppInstallerInfo.activityInfo = mInstantAppInstallerActivity; 10633 mInstantAppInstallerInfo.priority = 0; 10634 mInstantAppInstallerInfo.preferredOrder = 1; 10635 mInstantAppInstallerInfo.isDefault = true; 10636 mInstantAppInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 10637 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 10638 } 10639 10640 private static String calculateBundledApkRoot(final String codePathString) { 10641 final File codePath = new File(codePathString); 10642 final File codeRoot; 10643 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 10644 codeRoot = Environment.getRootDirectory(); 10645 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 10646 codeRoot = Environment.getOemDirectory(); 10647 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 10648 codeRoot = Environment.getVendorDirectory(); 10649 } else { 10650 // Unrecognized code path; take its top real segment as the apk root: 10651 // e.g. /something/app/blah.apk => /something 10652 try { 10653 File f = codePath.getCanonicalFile(); 10654 File parent = f.getParentFile(); // non-null because codePath is a file 10655 File tmp; 10656 while ((tmp = parent.getParentFile()) != null) { 10657 f = parent; 10658 parent = tmp; 10659 } 10660 codeRoot = f; 10661 Slog.w(TAG, "Unrecognized code path " 10662 + codePath + " - using " + codeRoot); 10663 } catch (IOException e) { 10664 // Can't canonicalize the code path -- shenanigans? 10665 Slog.w(TAG, "Can't canonicalize code path " + codePath); 10666 return Environment.getRootDirectory().getPath(); 10667 } 10668 } 10669 return codeRoot.getPath(); 10670 } 10671 10672 /** 10673 * Derive and set the location of native libraries for the given package, 10674 * which varies depending on where and how the package was installed. 10675 */ 10676 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 10677 final ApplicationInfo info = pkg.applicationInfo; 10678 final String codePath = pkg.codePath; 10679 final File codeFile = new File(codePath); 10680 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 10681 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 10682 10683 info.nativeLibraryRootDir = null; 10684 info.nativeLibraryRootRequiresIsa = false; 10685 info.nativeLibraryDir = null; 10686 info.secondaryNativeLibraryDir = null; 10687 10688 if (isApkFile(codeFile)) { 10689 // Monolithic install 10690 if (bundledApp) { 10691 // If "/system/lib64/apkname" exists, assume that is the per-package 10692 // native library directory to use; otherwise use "/system/lib/apkname". 10693 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 10694 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 10695 getPrimaryInstructionSet(info)); 10696 10697 // This is a bundled system app so choose the path based on the ABI. 10698 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 10699 // is just the default path. 10700 final String apkName = deriveCodePathName(codePath); 10701 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 10702 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 10703 apkName).getAbsolutePath(); 10704 10705 if (info.secondaryCpuAbi != null) { 10706 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 10707 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 10708 secondaryLibDir, apkName).getAbsolutePath(); 10709 } 10710 } else if (asecApp) { 10711 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 10712 .getAbsolutePath(); 10713 } else { 10714 final String apkName = deriveCodePathName(codePath); 10715 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 10716 .getAbsolutePath(); 10717 } 10718 10719 info.nativeLibraryRootRequiresIsa = false; 10720 info.nativeLibraryDir = info.nativeLibraryRootDir; 10721 } else { 10722 // Cluster install 10723 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 10724 info.nativeLibraryRootRequiresIsa = true; 10725 10726 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 10727 getPrimaryInstructionSet(info)).getAbsolutePath(); 10728 10729 if (info.secondaryCpuAbi != null) { 10730 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 10731 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 10732 } 10733 } 10734 } 10735 10736 /** 10737 * Calculate the abis and roots for a bundled app. These can uniquely 10738 * be determined from the contents of the system partition, i.e whether 10739 * it contains 64 or 32 bit shared libraries etc. We do not validate any 10740 * of this information, and instead assume that the system was built 10741 * sensibly. 10742 */ 10743 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 10744 PackageSetting pkgSetting) { 10745 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 10746 10747 // If "/system/lib64/apkname" exists, assume that is the per-package 10748 // native library directory to use; otherwise use "/system/lib/apkname". 10749 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 10750 setBundledAppAbi(pkg, apkRoot, apkName); 10751 // pkgSetting might be null during rescan following uninstall of updates 10752 // to a bundled app, so accommodate that possibility. The settings in 10753 // that case will be established later from the parsed package. 10754 // 10755 // If the settings aren't null, sync them up with what we've just derived. 10756 // note that apkRoot isn't stored in the package settings. 10757 if (pkgSetting != null) { 10758 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10759 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10760 } 10761 } 10762 10763 /** 10764 * Deduces the ABI of a bundled app and sets the relevant fields on the 10765 * parsed pkg object. 10766 * 10767 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 10768 * under which system libraries are installed. 10769 * @param apkName the name of the installed package. 10770 */ 10771 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 10772 final File codeFile = new File(pkg.codePath); 10773 10774 final boolean has64BitLibs; 10775 final boolean has32BitLibs; 10776 if (isApkFile(codeFile)) { 10777 // Monolithic install 10778 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 10779 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 10780 } else { 10781 // Cluster install 10782 final File rootDir = new File(codeFile, LIB_DIR_NAME); 10783 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 10784 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 10785 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 10786 has64BitLibs = (new File(rootDir, isa)).exists(); 10787 } else { 10788 has64BitLibs = false; 10789 } 10790 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 10791 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 10792 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 10793 has32BitLibs = (new File(rootDir, isa)).exists(); 10794 } else { 10795 has32BitLibs = false; 10796 } 10797 } 10798 10799 if (has64BitLibs && !has32BitLibs) { 10800 // The package has 64 bit libs, but not 32 bit libs. Its primary 10801 // ABI should be 64 bit. We can safely assume here that the bundled 10802 // native libraries correspond to the most preferred ABI in the list. 10803 10804 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10805 pkg.applicationInfo.secondaryCpuAbi = null; 10806 } else if (has32BitLibs && !has64BitLibs) { 10807 // The package has 32 bit libs but not 64 bit libs. Its primary 10808 // ABI should be 32 bit. 10809 10810 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10811 pkg.applicationInfo.secondaryCpuAbi = null; 10812 } else if (has32BitLibs && has64BitLibs) { 10813 // The application has both 64 and 32 bit bundled libraries. We check 10814 // here that the app declares multiArch support, and warn if it doesn't. 10815 // 10816 // We will be lenient here and record both ABIs. The primary will be the 10817 // ABI that's higher on the list, i.e, a device that's configured to prefer 10818 // 64 bit apps will see a 64 bit primary ABI, 10819 10820 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 10821 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 10822 } 10823 10824 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 10825 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10826 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10827 } else { 10828 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10829 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10830 } 10831 } else { 10832 pkg.applicationInfo.primaryCpuAbi = null; 10833 pkg.applicationInfo.secondaryCpuAbi = null; 10834 } 10835 } 10836 10837 private void killApplication(String pkgName, int appId, String reason) { 10838 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 10839 } 10840 10841 private void killApplication(String pkgName, int appId, int userId, String reason) { 10842 // Request the ActivityManager to kill the process(only for existing packages) 10843 // so that we do not end up in a confused state while the user is still using the older 10844 // version of the application while the new one gets installed. 10845 final long token = Binder.clearCallingIdentity(); 10846 try { 10847 IActivityManager am = ActivityManager.getService(); 10848 if (am != null) { 10849 try { 10850 am.killApplication(pkgName, appId, userId, reason); 10851 } catch (RemoteException e) { 10852 } 10853 } 10854 } finally { 10855 Binder.restoreCallingIdentity(token); 10856 } 10857 } 10858 10859 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 10860 // Remove the parent package setting 10861 PackageSetting ps = (PackageSetting) pkg.mExtras; 10862 if (ps != null) { 10863 removePackageLI(ps, chatty); 10864 } 10865 // Remove the child package setting 10866 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10867 for (int i = 0; i < childCount; i++) { 10868 PackageParser.Package childPkg = pkg.childPackages.get(i); 10869 ps = (PackageSetting) childPkg.mExtras; 10870 if (ps != null) { 10871 removePackageLI(ps, chatty); 10872 } 10873 } 10874 } 10875 10876 void removePackageLI(PackageSetting ps, boolean chatty) { 10877 if (DEBUG_INSTALL) { 10878 if (chatty) 10879 Log.d(TAG, "Removing package " + ps.name); 10880 } 10881 10882 // writer 10883 synchronized (mPackages) { 10884 mPackages.remove(ps.name); 10885 final PackageParser.Package pkg = ps.pkg; 10886 if (pkg != null) { 10887 cleanPackageDataStructuresLILPw(pkg, chatty); 10888 } 10889 } 10890 } 10891 10892 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 10893 if (DEBUG_INSTALL) { 10894 if (chatty) 10895 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 10896 } 10897 10898 // writer 10899 synchronized (mPackages) { 10900 // Remove the parent package 10901 mPackages.remove(pkg.applicationInfo.packageName); 10902 cleanPackageDataStructuresLILPw(pkg, chatty); 10903 10904 // Remove the child packages 10905 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10906 for (int i = 0; i < childCount; i++) { 10907 PackageParser.Package childPkg = pkg.childPackages.get(i); 10908 mPackages.remove(childPkg.applicationInfo.packageName); 10909 cleanPackageDataStructuresLILPw(childPkg, chatty); 10910 } 10911 } 10912 } 10913 10914 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 10915 int N = pkg.providers.size(); 10916 StringBuilder r = null; 10917 int i; 10918 for (i=0; i<N; i++) { 10919 PackageParser.Provider p = pkg.providers.get(i); 10920 mProviders.removeProvider(p); 10921 if (p.info.authority == null) { 10922 10923 /* There was another ContentProvider with this authority when 10924 * this app was installed so this authority is null, 10925 * Ignore it as we don't have to unregister the provider. 10926 */ 10927 continue; 10928 } 10929 String names[] = p.info.authority.split(";"); 10930 for (int j = 0; j < names.length; j++) { 10931 if (mProvidersByAuthority.get(names[j]) == p) { 10932 mProvidersByAuthority.remove(names[j]); 10933 if (DEBUG_REMOVE) { 10934 if (chatty) 10935 Log.d(TAG, "Unregistered content provider: " + names[j] 10936 + ", className = " + p.info.name + ", isSyncable = " 10937 + p.info.isSyncable); 10938 } 10939 } 10940 } 10941 if (DEBUG_REMOVE && chatty) { 10942 if (r == null) { 10943 r = new StringBuilder(256); 10944 } else { 10945 r.append(' '); 10946 } 10947 r.append(p.info.name); 10948 } 10949 } 10950 if (r != null) { 10951 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 10952 } 10953 10954 N = pkg.services.size(); 10955 r = null; 10956 for (i=0; i<N; i++) { 10957 PackageParser.Service s = pkg.services.get(i); 10958 mServices.removeService(s); 10959 if (chatty) { 10960 if (r == null) { 10961 r = new StringBuilder(256); 10962 } else { 10963 r.append(' '); 10964 } 10965 r.append(s.info.name); 10966 } 10967 } 10968 if (r != null) { 10969 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 10970 } 10971 10972 N = pkg.receivers.size(); 10973 r = null; 10974 for (i=0; i<N; i++) { 10975 PackageParser.Activity a = pkg.receivers.get(i); 10976 mReceivers.removeActivity(a, "receiver"); 10977 if (DEBUG_REMOVE && chatty) { 10978 if (r == null) { 10979 r = new StringBuilder(256); 10980 } else { 10981 r.append(' '); 10982 } 10983 r.append(a.info.name); 10984 } 10985 } 10986 if (r != null) { 10987 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 10988 } 10989 10990 N = pkg.activities.size(); 10991 r = null; 10992 for (i=0; i<N; i++) { 10993 PackageParser.Activity a = pkg.activities.get(i); 10994 mActivities.removeActivity(a, "activity"); 10995 if (DEBUG_REMOVE && chatty) { 10996 if (r == null) { 10997 r = new StringBuilder(256); 10998 } else { 10999 r.append(' '); 11000 } 11001 r.append(a.info.name); 11002 } 11003 } 11004 if (r != null) { 11005 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 11006 } 11007 11008 N = pkg.permissions.size(); 11009 r = null; 11010 for (i=0; i<N; i++) { 11011 PackageParser.Permission p = pkg.permissions.get(i); 11012 BasePermission bp = mSettings.mPermissions.get(p.info.name); 11013 if (bp == null) { 11014 bp = mSettings.mPermissionTrees.get(p.info.name); 11015 } 11016 if (bp != null && bp.perm == p) { 11017 bp.perm = null; 11018 if (DEBUG_REMOVE && chatty) { 11019 if (r == null) { 11020 r = new StringBuilder(256); 11021 } else { 11022 r.append(' '); 11023 } 11024 r.append(p.info.name); 11025 } 11026 } 11027 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11028 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 11029 if (appOpPkgs != null) { 11030 appOpPkgs.remove(pkg.packageName); 11031 } 11032 } 11033 } 11034 if (r != null) { 11035 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11036 } 11037 11038 N = pkg.requestedPermissions.size(); 11039 r = null; 11040 for (i=0; i<N; i++) { 11041 String perm = pkg.requestedPermissions.get(i); 11042 BasePermission bp = mSettings.mPermissions.get(perm); 11043 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11044 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 11045 if (appOpPkgs != null) { 11046 appOpPkgs.remove(pkg.packageName); 11047 if (appOpPkgs.isEmpty()) { 11048 mAppOpPermissionPackages.remove(perm); 11049 } 11050 } 11051 } 11052 } 11053 if (r != null) { 11054 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11055 } 11056 11057 N = pkg.instrumentation.size(); 11058 r = null; 11059 for (i=0; i<N; i++) { 11060 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11061 mInstrumentation.remove(a.getComponentName()); 11062 if (DEBUG_REMOVE && chatty) { 11063 if (r == null) { 11064 r = new StringBuilder(256); 11065 } else { 11066 r.append(' '); 11067 } 11068 r.append(a.info.name); 11069 } 11070 } 11071 if (r != null) { 11072 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 11073 } 11074 11075 r = null; 11076 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 11077 // Only system apps can hold shared libraries. 11078 if (pkg.libraryNames != null) { 11079 for (i = 0; i < pkg.libraryNames.size(); i++) { 11080 String name = pkg.libraryNames.get(i); 11081 if (removeSharedLibraryLPw(name, 0)) { 11082 if (DEBUG_REMOVE && chatty) { 11083 if (r == null) { 11084 r = new StringBuilder(256); 11085 } else { 11086 r.append(' '); 11087 } 11088 r.append(name); 11089 } 11090 } 11091 } 11092 } 11093 } 11094 11095 r = null; 11096 11097 // Any package can hold static shared libraries. 11098 if (pkg.staticSharedLibName != null) { 11099 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 11100 if (DEBUG_REMOVE && chatty) { 11101 if (r == null) { 11102 r = new StringBuilder(256); 11103 } else { 11104 r.append(' '); 11105 } 11106 r.append(pkg.staticSharedLibName); 11107 } 11108 } 11109 } 11110 11111 if (r != null) { 11112 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 11113 } 11114 } 11115 11116 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 11117 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 11118 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 11119 return true; 11120 } 11121 } 11122 return false; 11123 } 11124 11125 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 11126 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 11127 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 11128 11129 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 11130 // Update the parent permissions 11131 updatePermissionsLPw(pkg.packageName, pkg, flags); 11132 // Update the child permissions 11133 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11134 for (int i = 0; i < childCount; i++) { 11135 PackageParser.Package childPkg = pkg.childPackages.get(i); 11136 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 11137 } 11138 } 11139 11140 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 11141 int flags) { 11142 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 11143 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 11144 } 11145 11146 private void updatePermissionsLPw(String changingPkg, 11147 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 11148 // Make sure there are no dangling permission trees. 11149 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 11150 while (it.hasNext()) { 11151 final BasePermission bp = it.next(); 11152 if (bp.packageSetting == null) { 11153 // We may not yet have parsed the package, so just see if 11154 // we still know about its settings. 11155 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11156 } 11157 if (bp.packageSetting == null) { 11158 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 11159 + " from package " + bp.sourcePackage); 11160 it.remove(); 11161 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11162 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11163 Slog.i(TAG, "Removing old permission tree: " + bp.name 11164 + " from package " + bp.sourcePackage); 11165 flags |= UPDATE_PERMISSIONS_ALL; 11166 it.remove(); 11167 } 11168 } 11169 } 11170 11171 // Make sure all dynamic permissions have been assigned to a package, 11172 // and make sure there are no dangling permissions. 11173 it = mSettings.mPermissions.values().iterator(); 11174 while (it.hasNext()) { 11175 final BasePermission bp = it.next(); 11176 if (bp.type == BasePermission.TYPE_DYNAMIC) { 11177 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 11178 + bp.name + " pkg=" + bp.sourcePackage 11179 + " info=" + bp.pendingInfo); 11180 if (bp.packageSetting == null && bp.pendingInfo != null) { 11181 final BasePermission tree = findPermissionTreeLP(bp.name); 11182 if (tree != null && tree.perm != null) { 11183 bp.packageSetting = tree.packageSetting; 11184 bp.perm = new PackageParser.Permission(tree.perm.owner, 11185 new PermissionInfo(bp.pendingInfo)); 11186 bp.perm.info.packageName = tree.perm.info.packageName; 11187 bp.perm.info.name = bp.name; 11188 bp.uid = tree.uid; 11189 } 11190 } 11191 } 11192 if (bp.packageSetting == null) { 11193 // We may not yet have parsed the package, so just see if 11194 // we still know about its settings. 11195 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11196 } 11197 if (bp.packageSetting == null) { 11198 Slog.w(TAG, "Removing dangling permission: " + bp.name 11199 + " from package " + bp.sourcePackage); 11200 it.remove(); 11201 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11202 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11203 Slog.i(TAG, "Removing old permission: " + bp.name 11204 + " from package " + bp.sourcePackage); 11205 flags |= UPDATE_PERMISSIONS_ALL; 11206 it.remove(); 11207 } 11208 } 11209 } 11210 11211 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 11212 // Now update the permissions for all packages, in particular 11213 // replace the granted permissions of the system packages. 11214 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 11215 for (PackageParser.Package pkg : mPackages.values()) { 11216 if (pkg != pkgInfo) { 11217 // Only replace for packages on requested volume 11218 final String volumeUuid = getVolumeUuidForPackage(pkg); 11219 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 11220 && Objects.equals(replaceVolumeUuid, volumeUuid); 11221 grantPermissionsLPw(pkg, replace, changingPkg); 11222 } 11223 } 11224 } 11225 11226 if (pkgInfo != null) { 11227 // Only replace for packages on requested volume 11228 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 11229 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 11230 && Objects.equals(replaceVolumeUuid, volumeUuid); 11231 grantPermissionsLPw(pkgInfo, replace, changingPkg); 11232 } 11233 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11234 } 11235 11236 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 11237 String packageOfInterest) { 11238 // IMPORTANT: There are two types of permissions: install and runtime. 11239 // Install time permissions are granted when the app is installed to 11240 // all device users and users added in the future. Runtime permissions 11241 // are granted at runtime explicitly to specific users. Normal and signature 11242 // protected permissions are install time permissions. Dangerous permissions 11243 // are install permissions if the app's target SDK is Lollipop MR1 or older, 11244 // otherwise they are runtime permissions. This function does not manage 11245 // runtime permissions except for the case an app targeting Lollipop MR1 11246 // being upgraded to target a newer SDK, in which case dangerous permissions 11247 // are transformed from install time to runtime ones. 11248 11249 final PackageSetting ps = (PackageSetting) pkg.mExtras; 11250 if (ps == null) { 11251 return; 11252 } 11253 11254 PermissionsState permissionsState = ps.getPermissionsState(); 11255 PermissionsState origPermissions = permissionsState; 11256 11257 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 11258 11259 boolean runtimePermissionsRevoked = false; 11260 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 11261 11262 boolean changedInstallPermission = false; 11263 11264 if (replace) { 11265 ps.installPermissionsFixed = false; 11266 if (!ps.isSharedUser()) { 11267 origPermissions = new PermissionsState(permissionsState); 11268 permissionsState.reset(); 11269 } else { 11270 // We need to know only about runtime permission changes since the 11271 // calling code always writes the install permissions state but 11272 // the runtime ones are written only if changed. The only cases of 11273 // changed runtime permissions here are promotion of an install to 11274 // runtime and revocation of a runtime from a shared user. 11275 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 11276 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 11277 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 11278 runtimePermissionsRevoked = true; 11279 } 11280 } 11281 } 11282 11283 permissionsState.setGlobalGids(mGlobalGids); 11284 11285 final int N = pkg.requestedPermissions.size(); 11286 for (int i=0; i<N; i++) { 11287 final String name = pkg.requestedPermissions.get(i); 11288 final BasePermission bp = mSettings.mPermissions.get(name); 11289 11290 if (DEBUG_INSTALL) { 11291 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 11292 } 11293 11294 if (bp == null || bp.packageSetting == null) { 11295 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11296 Slog.w(TAG, "Unknown permission " + name 11297 + " in package " + pkg.packageName); 11298 } 11299 continue; 11300 } 11301 11302 11303 // Limit ephemeral apps to ephemeral allowed permissions. 11304 if (pkg.applicationInfo.isInstantApp() && !bp.isInstant()) { 11305 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 11306 + pkg.packageName); 11307 continue; 11308 } 11309 11310 final String perm = bp.name; 11311 boolean allowedSig = false; 11312 int grant = GRANT_DENIED; 11313 11314 // Keep track of app op permissions. 11315 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11316 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 11317 if (pkgs == null) { 11318 pkgs = new ArraySet<>(); 11319 mAppOpPermissionPackages.put(bp.name, pkgs); 11320 } 11321 pkgs.add(pkg.packageName); 11322 } 11323 11324 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 11325 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 11326 >= Build.VERSION_CODES.M; 11327 switch (level) { 11328 case PermissionInfo.PROTECTION_NORMAL: { 11329 // For all apps normal permissions are install time ones. 11330 grant = GRANT_INSTALL; 11331 } break; 11332 11333 case PermissionInfo.PROTECTION_DANGEROUS: { 11334 // If a permission review is required for legacy apps we represent 11335 // their permissions as always granted runtime ones since we need 11336 // to keep the review required permission flag per user while an 11337 // install permission's state is shared across all users. 11338 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 11339 // For legacy apps dangerous permissions are install time ones. 11340 grant = GRANT_INSTALL; 11341 } else if (origPermissions.hasInstallPermission(bp.name)) { 11342 // For legacy apps that became modern, install becomes runtime. 11343 grant = GRANT_UPGRADE; 11344 } else if (mPromoteSystemApps 11345 && isSystemApp(ps) 11346 && mExistingSystemPackages.contains(ps.name)) { 11347 // For legacy system apps, install becomes runtime. 11348 // We cannot check hasInstallPermission() for system apps since those 11349 // permissions were granted implicitly and not persisted pre-M. 11350 grant = GRANT_UPGRADE; 11351 } else { 11352 // For modern apps keep runtime permissions unchanged. 11353 grant = GRANT_RUNTIME; 11354 } 11355 } break; 11356 11357 case PermissionInfo.PROTECTION_SIGNATURE: { 11358 // For all apps signature permissions are install time ones. 11359 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 11360 if (allowedSig) { 11361 grant = GRANT_INSTALL; 11362 } 11363 } break; 11364 } 11365 11366 if (DEBUG_INSTALL) { 11367 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 11368 } 11369 11370 if (grant != GRANT_DENIED) { 11371 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 11372 // If this is an existing, non-system package, then 11373 // we can't add any new permissions to it. 11374 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 11375 // Except... if this is a permission that was added 11376 // to the platform (note: need to only do this when 11377 // updating the platform). 11378 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 11379 grant = GRANT_DENIED; 11380 } 11381 } 11382 } 11383 11384 switch (grant) { 11385 case GRANT_INSTALL: { 11386 // Revoke this as runtime permission to handle the case of 11387 // a runtime permission being downgraded to an install one. 11388 // Also in permission review mode we keep dangerous permissions 11389 // for legacy apps 11390 for (int userId : UserManagerService.getInstance().getUserIds()) { 11391 if (origPermissions.getRuntimePermissionState( 11392 bp.name, userId) != null) { 11393 // Revoke the runtime permission and clear the flags. 11394 origPermissions.revokeRuntimePermission(bp, userId); 11395 origPermissions.updatePermissionFlags(bp, userId, 11396 PackageManager.MASK_PERMISSION_FLAGS, 0); 11397 // If we revoked a permission permission, we have to write. 11398 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11399 changedRuntimePermissionUserIds, userId); 11400 } 11401 } 11402 // Grant an install permission. 11403 if (permissionsState.grantInstallPermission(bp) != 11404 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11405 changedInstallPermission = true; 11406 } 11407 } break; 11408 11409 case GRANT_RUNTIME: { 11410 // Grant previously granted runtime permissions. 11411 for (int userId : UserManagerService.getInstance().getUserIds()) { 11412 PermissionState permissionState = origPermissions 11413 .getRuntimePermissionState(bp.name, userId); 11414 int flags = permissionState != null 11415 ? permissionState.getFlags() : 0; 11416 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 11417 // Don't propagate the permission in a permission review mode if 11418 // the former was revoked, i.e. marked to not propagate on upgrade. 11419 // Note that in a permission review mode install permissions are 11420 // represented as constantly granted runtime ones since we need to 11421 // keep a per user state associated with the permission. Also the 11422 // revoke on upgrade flag is no longer applicable and is reset. 11423 final boolean revokeOnUpgrade = (flags & PackageManager 11424 .FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 11425 if (revokeOnUpgrade) { 11426 flags &= ~PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 11427 // Since we changed the flags, we have to write. 11428 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11429 changedRuntimePermissionUserIds, userId); 11430 } 11431 if (!mPermissionReviewRequired || !revokeOnUpgrade) { 11432 if (permissionsState.grantRuntimePermission(bp, userId) == 11433 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11434 // If we cannot put the permission as it was, 11435 // we have to write. 11436 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11437 changedRuntimePermissionUserIds, userId); 11438 } 11439 } 11440 11441 // If the app supports runtime permissions no need for a review. 11442 if (mPermissionReviewRequired 11443 && appSupportsRuntimePermissions 11444 && (flags & PackageManager 11445 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 11446 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 11447 // Since we changed the flags, we have to write. 11448 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11449 changedRuntimePermissionUserIds, userId); 11450 } 11451 } else if (mPermissionReviewRequired 11452 && !appSupportsRuntimePermissions) { 11453 // For legacy apps that need a permission review, every new 11454 // runtime permission is granted but it is pending a review. 11455 // We also need to review only platform defined runtime 11456 // permissions as these are the only ones the platform knows 11457 // how to disable the API to simulate revocation as legacy 11458 // apps don't expect to run with revoked permissions. 11459 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 11460 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 11461 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 11462 // We changed the flags, hence have to write. 11463 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11464 changedRuntimePermissionUserIds, userId); 11465 } 11466 } 11467 if (permissionsState.grantRuntimePermission(bp, userId) 11468 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11469 // We changed the permission, hence have to write. 11470 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11471 changedRuntimePermissionUserIds, userId); 11472 } 11473 } 11474 // Propagate the permission flags. 11475 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 11476 } 11477 } break; 11478 11479 case GRANT_UPGRADE: { 11480 // Grant runtime permissions for a previously held install permission. 11481 PermissionState permissionState = origPermissions 11482 .getInstallPermissionState(bp.name); 11483 final int flags = permissionState != null ? permissionState.getFlags() : 0; 11484 11485 if (origPermissions.revokeInstallPermission(bp) 11486 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11487 // We will be transferring the permission flags, so clear them. 11488 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 11489 PackageManager.MASK_PERMISSION_FLAGS, 0); 11490 changedInstallPermission = true; 11491 } 11492 11493 // If the permission is not to be promoted to runtime we ignore it and 11494 // also its other flags as they are not applicable to install permissions. 11495 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 11496 for (int userId : currentUserIds) { 11497 if (permissionsState.grantRuntimePermission(bp, userId) != 11498 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11499 // Transfer the permission flags. 11500 permissionsState.updatePermissionFlags(bp, userId, 11501 flags, flags); 11502 // If we granted the permission, we have to write. 11503 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11504 changedRuntimePermissionUserIds, userId); 11505 } 11506 } 11507 } 11508 } break; 11509 11510 default: { 11511 if (packageOfInterest == null 11512 || packageOfInterest.equals(pkg.packageName)) { 11513 Slog.w(TAG, "Not granting permission " + perm 11514 + " to package " + pkg.packageName 11515 + " because it was previously installed without"); 11516 } 11517 } break; 11518 } 11519 } else { 11520 if (permissionsState.revokeInstallPermission(bp) != 11521 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11522 // Also drop the permission flags. 11523 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 11524 PackageManager.MASK_PERMISSION_FLAGS, 0); 11525 changedInstallPermission = true; 11526 Slog.i(TAG, "Un-granting permission " + perm 11527 + " from package " + pkg.packageName 11528 + " (protectionLevel=" + bp.protectionLevel 11529 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11530 + ")"); 11531 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 11532 // Don't print warning for app op permissions, since it is fine for them 11533 // not to be granted, there is a UI for the user to decide. 11534 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11535 Slog.w(TAG, "Not granting permission " + perm 11536 + " to package " + pkg.packageName 11537 + " (protectionLevel=" + bp.protectionLevel 11538 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11539 + ")"); 11540 } 11541 } 11542 } 11543 } 11544 11545 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 11546 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 11547 // This is the first that we have heard about this package, so the 11548 // permissions we have now selected are fixed until explicitly 11549 // changed. 11550 ps.installPermissionsFixed = true; 11551 } 11552 11553 // Persist the runtime permissions state for users with changes. If permissions 11554 // were revoked because no app in the shared user declares them we have to 11555 // write synchronously to avoid losing runtime permissions state. 11556 for (int userId : changedRuntimePermissionUserIds) { 11557 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 11558 } 11559 } 11560 11561 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 11562 boolean allowed = false; 11563 final int NP = PackageParser.NEW_PERMISSIONS.length; 11564 for (int ip=0; ip<NP; ip++) { 11565 final PackageParser.NewPermissionInfo npi 11566 = PackageParser.NEW_PERMISSIONS[ip]; 11567 if (npi.name.equals(perm) 11568 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 11569 allowed = true; 11570 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 11571 + pkg.packageName); 11572 break; 11573 } 11574 } 11575 return allowed; 11576 } 11577 11578 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 11579 BasePermission bp, PermissionsState origPermissions) { 11580 boolean privilegedPermission = (bp.protectionLevel 11581 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 11582 boolean privappPermissionsDisable = 11583 RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; 11584 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 11585 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 11586 if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivilegedApp() 11587 && !platformPackage && platformPermission) { 11588 ArraySet<String> wlPermissions = SystemConfig.getInstance() 11589 .getPrivAppPermissions(pkg.packageName); 11590 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 11591 if (!whitelisted) { 11592 Slog.w(TAG, "Privileged permission " + perm + " for package " 11593 + pkg.packageName + " - not in privapp-permissions whitelist"); 11594 // Only report violations for apps on system image 11595 if (!mSystemReady && !pkg.isUpdatedSystemApp()) { 11596 if (mPrivappPermissionsViolations == null) { 11597 mPrivappPermissionsViolations = new ArraySet<>(); 11598 } 11599 mPrivappPermissionsViolations.add(pkg.packageName + ": " + perm); 11600 } 11601 if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { 11602 return false; 11603 } 11604 } 11605 } 11606 boolean allowed = (compareSignatures( 11607 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 11608 == PackageManager.SIGNATURE_MATCH) 11609 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 11610 == PackageManager.SIGNATURE_MATCH); 11611 if (!allowed && privilegedPermission) { 11612 if (isSystemApp(pkg)) { 11613 // For updated system applications, a system permission 11614 // is granted only if it had been defined by the original application. 11615 if (pkg.isUpdatedSystemApp()) { 11616 final PackageSetting sysPs = mSettings 11617 .getDisabledSystemPkgLPr(pkg.packageName); 11618 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 11619 // If the original was granted this permission, we take 11620 // that grant decision as read and propagate it to the 11621 // update. 11622 if (sysPs.isPrivileged()) { 11623 allowed = true; 11624 } 11625 } else { 11626 // The system apk may have been updated with an older 11627 // version of the one on the data partition, but which 11628 // granted a new system permission that it didn't have 11629 // before. In this case we do want to allow the app to 11630 // now get the new permission if the ancestral apk is 11631 // privileged to get it. 11632 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 11633 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 11634 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 11635 allowed = true; 11636 break; 11637 } 11638 } 11639 } 11640 // Also if a privileged parent package on the system image or any of 11641 // its children requested a privileged permission, the updated child 11642 // packages can also get the permission. 11643 if (pkg.parentPackage != null) { 11644 final PackageSetting disabledSysParentPs = mSettings 11645 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 11646 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 11647 && disabledSysParentPs.isPrivileged()) { 11648 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 11649 allowed = true; 11650 } else if (disabledSysParentPs.pkg.childPackages != null) { 11651 final int count = disabledSysParentPs.pkg.childPackages.size(); 11652 for (int i = 0; i < count; i++) { 11653 PackageParser.Package disabledSysChildPkg = 11654 disabledSysParentPs.pkg.childPackages.get(i); 11655 if (isPackageRequestingPermission(disabledSysChildPkg, 11656 perm)) { 11657 allowed = true; 11658 break; 11659 } 11660 } 11661 } 11662 } 11663 } 11664 } 11665 } else { 11666 allowed = isPrivilegedApp(pkg); 11667 } 11668 } 11669 } 11670 if (!allowed) { 11671 if (!allowed && (bp.protectionLevel 11672 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 11673 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 11674 // If this was a previously normal/dangerous permission that got moved 11675 // to a system permission as part of the runtime permission redesign, then 11676 // we still want to blindly grant it to old apps. 11677 allowed = true; 11678 } 11679 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 11680 && pkg.packageName.equals(mRequiredInstallerPackage)) { 11681 // If this permission is to be granted to the system installer and 11682 // this app is an installer, then it gets the permission. 11683 allowed = true; 11684 } 11685 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 11686 && pkg.packageName.equals(mRequiredVerifierPackage)) { 11687 // If this permission is to be granted to the system verifier and 11688 // this app is a verifier, then it gets the permission. 11689 allowed = true; 11690 } 11691 if (!allowed && (bp.protectionLevel 11692 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 11693 && isSystemApp(pkg)) { 11694 // Any pre-installed system app is allowed to get this permission. 11695 allowed = true; 11696 } 11697 if (!allowed && (bp.protectionLevel 11698 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 11699 // For development permissions, a development permission 11700 // is granted only if it was already granted. 11701 allowed = origPermissions.hasInstallPermission(perm); 11702 } 11703 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 11704 && pkg.packageName.equals(mSetupWizardPackage)) { 11705 // If this permission is to be granted to the system setup wizard and 11706 // this app is a setup wizard, then it gets the permission. 11707 allowed = true; 11708 } 11709 } 11710 return allowed; 11711 } 11712 11713 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 11714 final int permCount = pkg.requestedPermissions.size(); 11715 for (int j = 0; j < permCount; j++) { 11716 String requestedPermission = pkg.requestedPermissions.get(j); 11717 if (permission.equals(requestedPermission)) { 11718 return true; 11719 } 11720 } 11721 return false; 11722 } 11723 11724 final class ActivityIntentResolver 11725 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 11726 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11727 boolean defaultOnly, int userId) { 11728 if (!sUserManager.exists(userId)) return null; 11729 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0); 11730 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11731 } 11732 11733 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11734 int userId) { 11735 if (!sUserManager.exists(userId)) return null; 11736 mFlags = flags; 11737 return super.queryIntent(intent, resolvedType, 11738 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11739 userId); 11740 } 11741 11742 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11743 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 11744 if (!sUserManager.exists(userId)) return null; 11745 if (packageActivities == null) { 11746 return null; 11747 } 11748 mFlags = flags; 11749 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11750 final int N = packageActivities.size(); 11751 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 11752 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 11753 11754 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 11755 for (int i = 0; i < N; ++i) { 11756 intentFilters = packageActivities.get(i).intents; 11757 if (intentFilters != null && intentFilters.size() > 0) { 11758 PackageParser.ActivityIntentInfo[] array = 11759 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 11760 intentFilters.toArray(array); 11761 listCut.add(array); 11762 } 11763 } 11764 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11765 } 11766 11767 /** 11768 * Finds a privileged activity that matches the specified activity names. 11769 */ 11770 private PackageParser.Activity findMatchingActivity( 11771 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 11772 for (PackageParser.Activity sysActivity : activityList) { 11773 if (sysActivity.info.name.equals(activityInfo.name)) { 11774 return sysActivity; 11775 } 11776 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 11777 return sysActivity; 11778 } 11779 if (sysActivity.info.targetActivity != null) { 11780 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 11781 return sysActivity; 11782 } 11783 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 11784 return sysActivity; 11785 } 11786 } 11787 } 11788 return null; 11789 } 11790 11791 public class IterGenerator<E> { 11792 public Iterator<E> generate(ActivityIntentInfo info) { 11793 return null; 11794 } 11795 } 11796 11797 public class ActionIterGenerator extends IterGenerator<String> { 11798 @Override 11799 public Iterator<String> generate(ActivityIntentInfo info) { 11800 return info.actionsIterator(); 11801 } 11802 } 11803 11804 public class CategoriesIterGenerator extends IterGenerator<String> { 11805 @Override 11806 public Iterator<String> generate(ActivityIntentInfo info) { 11807 return info.categoriesIterator(); 11808 } 11809 } 11810 11811 public class SchemesIterGenerator extends IterGenerator<String> { 11812 @Override 11813 public Iterator<String> generate(ActivityIntentInfo info) { 11814 return info.schemesIterator(); 11815 } 11816 } 11817 11818 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 11819 @Override 11820 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 11821 return info.authoritiesIterator(); 11822 } 11823 } 11824 11825 /** 11826 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 11827 * MODIFIED. Do not pass in a list that should not be changed. 11828 */ 11829 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 11830 IterGenerator<T> generator, Iterator<T> searchIterator) { 11831 // loop through the set of actions; every one must be found in the intent filter 11832 while (searchIterator.hasNext()) { 11833 // we must have at least one filter in the list to consider a match 11834 if (intentList.size() == 0) { 11835 break; 11836 } 11837 11838 final T searchAction = searchIterator.next(); 11839 11840 // loop through the set of intent filters 11841 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 11842 while (intentIter.hasNext()) { 11843 final ActivityIntentInfo intentInfo = intentIter.next(); 11844 boolean selectionFound = false; 11845 11846 // loop through the intent filter's selection criteria; at least one 11847 // of them must match the searched criteria 11848 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 11849 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 11850 final T intentSelection = intentSelectionIter.next(); 11851 if (intentSelection != null && intentSelection.equals(searchAction)) { 11852 selectionFound = true; 11853 break; 11854 } 11855 } 11856 11857 // the selection criteria wasn't found in this filter's set; this filter 11858 // is not a potential match 11859 if (!selectionFound) { 11860 intentIter.remove(); 11861 } 11862 } 11863 } 11864 } 11865 11866 private boolean isProtectedAction(ActivityIntentInfo filter) { 11867 final Iterator<String> actionsIter = filter.actionsIterator(); 11868 while (actionsIter != null && actionsIter.hasNext()) { 11869 final String filterAction = actionsIter.next(); 11870 if (PROTECTED_ACTIONS.contains(filterAction)) { 11871 return true; 11872 } 11873 } 11874 return false; 11875 } 11876 11877 /** 11878 * Adjusts the priority of the given intent filter according to policy. 11879 * <p> 11880 * <ul> 11881 * <li>The priority for non privileged applications is capped to '0'</li> 11882 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 11883 * <li>The priority for unbundled updates to privileged applications is capped to the 11884 * priority defined on the system partition</li> 11885 * </ul> 11886 * <p> 11887 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 11888 * allowed to obtain any priority on any action. 11889 */ 11890 private void adjustPriority( 11891 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 11892 // nothing to do; priority is fine as-is 11893 if (intent.getPriority() <= 0) { 11894 return; 11895 } 11896 11897 final ActivityInfo activityInfo = intent.activity.info; 11898 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 11899 11900 final boolean privilegedApp = 11901 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 11902 if (!privilegedApp) { 11903 // non-privileged applications can never define a priority >0 11904 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 11905 + " package: " + applicationInfo.packageName 11906 + " activity: " + intent.activity.className 11907 + " origPrio: " + intent.getPriority()); 11908 intent.setPriority(0); 11909 return; 11910 } 11911 11912 if (systemActivities == null) { 11913 // the system package is not disabled; we're parsing the system partition 11914 if (isProtectedAction(intent)) { 11915 if (mDeferProtectedFilters) { 11916 // We can't deal with these just yet. No component should ever obtain a 11917 // >0 priority for a protected actions, with ONE exception -- the setup 11918 // wizard. The setup wizard, however, cannot be known until we're able to 11919 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 11920 // until all intent filters have been processed. Chicken, meet egg. 11921 // Let the filter temporarily have a high priority and rectify the 11922 // priorities after all system packages have been scanned. 11923 mProtectedFilters.add(intent); 11924 if (DEBUG_FILTERS) { 11925 Slog.i(TAG, "Protected action; save for later;" 11926 + " package: " + applicationInfo.packageName 11927 + " activity: " + intent.activity.className 11928 + " origPrio: " + intent.getPriority()); 11929 } 11930 return; 11931 } else { 11932 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 11933 Slog.i(TAG, "No setup wizard;" 11934 + " All protected intents capped to priority 0"); 11935 } 11936 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 11937 if (DEBUG_FILTERS) { 11938 Slog.i(TAG, "Found setup wizard;" 11939 + " allow priority " + intent.getPriority() + ";" 11940 + " package: " + intent.activity.info.packageName 11941 + " activity: " + intent.activity.className 11942 + " priority: " + intent.getPriority()); 11943 } 11944 // setup wizard gets whatever it wants 11945 return; 11946 } 11947 Slog.w(TAG, "Protected action; cap priority to 0;" 11948 + " package: " + intent.activity.info.packageName 11949 + " activity: " + intent.activity.className 11950 + " origPrio: " + intent.getPriority()); 11951 intent.setPriority(0); 11952 return; 11953 } 11954 } 11955 // privileged apps on the system image get whatever priority they request 11956 return; 11957 } 11958 11959 // privileged app unbundled update ... try to find the same activity 11960 final PackageParser.Activity foundActivity = 11961 findMatchingActivity(systemActivities, activityInfo); 11962 if (foundActivity == null) { 11963 // this is a new activity; it cannot obtain >0 priority 11964 if (DEBUG_FILTERS) { 11965 Slog.i(TAG, "New activity; cap priority to 0;" 11966 + " package: " + applicationInfo.packageName 11967 + " activity: " + intent.activity.className 11968 + " origPrio: " + intent.getPriority()); 11969 } 11970 intent.setPriority(0); 11971 return; 11972 } 11973 11974 // found activity, now check for filter equivalence 11975 11976 // a shallow copy is enough; we modify the list, not its contents 11977 final List<ActivityIntentInfo> intentListCopy = 11978 new ArrayList<>(foundActivity.intents); 11979 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 11980 11981 // find matching action subsets 11982 final Iterator<String> actionsIterator = intent.actionsIterator(); 11983 if (actionsIterator != null) { 11984 getIntentListSubset( 11985 intentListCopy, new ActionIterGenerator(), actionsIterator); 11986 if (intentListCopy.size() == 0) { 11987 // no more intents to match; we're not equivalent 11988 if (DEBUG_FILTERS) { 11989 Slog.i(TAG, "Mismatched action; cap priority to 0;" 11990 + " package: " + applicationInfo.packageName 11991 + " activity: " + intent.activity.className 11992 + " origPrio: " + intent.getPriority()); 11993 } 11994 intent.setPriority(0); 11995 return; 11996 } 11997 } 11998 11999 // find matching category subsets 12000 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 12001 if (categoriesIterator != null) { 12002 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 12003 categoriesIterator); 12004 if (intentListCopy.size() == 0) { 12005 // no more intents to match; we're not equivalent 12006 if (DEBUG_FILTERS) { 12007 Slog.i(TAG, "Mismatched category; cap priority to 0;" 12008 + " package: " + applicationInfo.packageName 12009 + " activity: " + intent.activity.className 12010 + " origPrio: " + intent.getPriority()); 12011 } 12012 intent.setPriority(0); 12013 return; 12014 } 12015 } 12016 12017 // find matching schemes subsets 12018 final Iterator<String> schemesIterator = intent.schemesIterator(); 12019 if (schemesIterator != null) { 12020 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 12021 schemesIterator); 12022 if (intentListCopy.size() == 0) { 12023 // no more intents to match; we're not equivalent 12024 if (DEBUG_FILTERS) { 12025 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 12026 + " package: " + applicationInfo.packageName 12027 + " activity: " + intent.activity.className 12028 + " origPrio: " + intent.getPriority()); 12029 } 12030 intent.setPriority(0); 12031 return; 12032 } 12033 } 12034 12035 // find matching authorities subsets 12036 final Iterator<IntentFilter.AuthorityEntry> 12037 authoritiesIterator = intent.authoritiesIterator(); 12038 if (authoritiesIterator != null) { 12039 getIntentListSubset(intentListCopy, 12040 new AuthoritiesIterGenerator(), 12041 authoritiesIterator); 12042 if (intentListCopy.size() == 0) { 12043 // no more intents to match; we're not equivalent 12044 if (DEBUG_FILTERS) { 12045 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 12046 + " package: " + applicationInfo.packageName 12047 + " activity: " + intent.activity.className 12048 + " origPrio: " + intent.getPriority()); 12049 } 12050 intent.setPriority(0); 12051 return; 12052 } 12053 } 12054 12055 // we found matching filter(s); app gets the max priority of all intents 12056 int cappedPriority = 0; 12057 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 12058 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 12059 } 12060 if (intent.getPriority() > cappedPriority) { 12061 if (DEBUG_FILTERS) { 12062 Slog.i(TAG, "Found matching filter(s);" 12063 + " cap priority to " + cappedPriority + ";" 12064 + " package: " + applicationInfo.packageName 12065 + " activity: " + intent.activity.className 12066 + " origPrio: " + intent.getPriority()); 12067 } 12068 intent.setPriority(cappedPriority); 12069 return; 12070 } 12071 // all this for nothing; the requested priority was <= what was on the system 12072 } 12073 12074 public final void addActivity(PackageParser.Activity a, String type) { 12075 mActivities.put(a.getComponentName(), a); 12076 if (DEBUG_SHOW_INFO) 12077 Log.v( 12078 TAG, " " + type + " " + 12079 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 12080 if (DEBUG_SHOW_INFO) 12081 Log.v(TAG, " Class=" + a.info.name); 12082 final int NI = a.intents.size(); 12083 for (int j=0; j<NI; j++) { 12084 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12085 if ("activity".equals(type)) { 12086 final PackageSetting ps = 12087 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 12088 final List<PackageParser.Activity> systemActivities = 12089 ps != null && ps.pkg != null ? ps.pkg.activities : null; 12090 adjustPriority(systemActivities, intent); 12091 } 12092 if (DEBUG_SHOW_INFO) { 12093 Log.v(TAG, " IntentFilter:"); 12094 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12095 } 12096 if (!intent.debugCheck()) { 12097 Log.w(TAG, "==> For Activity " + a.info.name); 12098 } 12099 addFilter(intent); 12100 } 12101 } 12102 12103 public final void removeActivity(PackageParser.Activity a, String type) { 12104 mActivities.remove(a.getComponentName()); 12105 if (DEBUG_SHOW_INFO) { 12106 Log.v(TAG, " " + type + " " 12107 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 12108 : a.info.name) + ":"); 12109 Log.v(TAG, " Class=" + a.info.name); 12110 } 12111 final int NI = a.intents.size(); 12112 for (int j=0; j<NI; j++) { 12113 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12114 if (DEBUG_SHOW_INFO) { 12115 Log.v(TAG, " IntentFilter:"); 12116 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12117 } 12118 removeFilter(intent); 12119 } 12120 } 12121 12122 @Override 12123 protected boolean allowFilterResult( 12124 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 12125 ActivityInfo filterAi = filter.activity.info; 12126 for (int i=dest.size()-1; i>=0; i--) { 12127 ActivityInfo destAi = dest.get(i).activityInfo; 12128 if (destAi.name == filterAi.name 12129 && destAi.packageName == filterAi.packageName) { 12130 return false; 12131 } 12132 } 12133 return true; 12134 } 12135 12136 @Override 12137 protected ActivityIntentInfo[] newArray(int size) { 12138 return new ActivityIntentInfo[size]; 12139 } 12140 12141 @Override 12142 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 12143 if (!sUserManager.exists(userId)) return true; 12144 PackageParser.Package p = filter.activity.owner; 12145 if (p != null) { 12146 PackageSetting ps = (PackageSetting)p.mExtras; 12147 if (ps != null) { 12148 // System apps are never considered stopped for purposes of 12149 // filtering, because there may be no way for the user to 12150 // actually re-launch them. 12151 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 12152 && ps.getStopped(userId); 12153 } 12154 } 12155 return false; 12156 } 12157 12158 @Override 12159 protected boolean isPackageForFilter(String packageName, 12160 PackageParser.ActivityIntentInfo info) { 12161 return packageName.equals(info.activity.owner.packageName); 12162 } 12163 12164 @Override 12165 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 12166 int match, int userId) { 12167 if (!sUserManager.exists(userId)) return null; 12168 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 12169 return null; 12170 } 12171 final PackageParser.Activity activity = info.activity; 12172 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 12173 if (ps == null) { 12174 return null; 12175 } 12176 final PackageUserState userState = ps.readUserState(userId); 12177 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 12178 userState, userId); 12179 if (ai == null) { 12180 return null; 12181 } 12182 final boolean matchVisibleToInstantApp = 12183 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12184 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12185 // throw out filters that aren't visible to ephemeral apps 12186 if (matchVisibleToInstantApp 12187 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 12188 return null; 12189 } 12190 // throw out ephemeral filters if we're not explicitly requesting them 12191 if (!isInstantApp && userState.instantApp) { 12192 return null; 12193 } 12194 // throw out instant app filters if updates are available; will trigger 12195 // instant app resolution 12196 if (userState.instantApp && ps.isUpdateAvailable()) { 12197 return null; 12198 } 12199 final ResolveInfo res = new ResolveInfo(); 12200 res.activityInfo = ai; 12201 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12202 res.filter = info; 12203 } 12204 if (info != null) { 12205 res.handleAllWebDataURI = info.handleAllWebDataURI(); 12206 } 12207 res.priority = info.getPriority(); 12208 res.preferredOrder = activity.owner.mPreferredOrder; 12209 //System.out.println("Result: " + res.activityInfo.className + 12210 // " = " + res.priority); 12211 res.match = match; 12212 res.isDefault = info.hasDefault; 12213 res.labelRes = info.labelRes; 12214 res.nonLocalizedLabel = info.nonLocalizedLabel; 12215 if (userNeedsBadging(userId)) { 12216 res.noResourceId = true; 12217 } else { 12218 res.icon = info.icon; 12219 } 12220 res.iconResourceId = info.icon; 12221 res.system = res.activityInfo.applicationInfo.isSystemApp(); 12222 res.instantAppAvailable = userState.instantApp; 12223 return res; 12224 } 12225 12226 @Override 12227 protected void sortResults(List<ResolveInfo> results) { 12228 Collections.sort(results, mResolvePrioritySorter); 12229 } 12230 12231 @Override 12232 protected void dumpFilter(PrintWriter out, String prefix, 12233 PackageParser.ActivityIntentInfo filter) { 12234 out.print(prefix); out.print( 12235 Integer.toHexString(System.identityHashCode(filter.activity))); 12236 out.print(' '); 12237 filter.activity.printComponentShortName(out); 12238 out.print(" filter "); 12239 out.println(Integer.toHexString(System.identityHashCode(filter))); 12240 } 12241 12242 @Override 12243 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 12244 return filter.activity; 12245 } 12246 12247 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12248 PackageParser.Activity activity = (PackageParser.Activity)label; 12249 out.print(prefix); out.print( 12250 Integer.toHexString(System.identityHashCode(activity))); 12251 out.print(' '); 12252 activity.printComponentShortName(out); 12253 if (count > 1) { 12254 out.print(" ("); out.print(count); out.print(" filters)"); 12255 } 12256 out.println(); 12257 } 12258 12259 // Keys are String (activity class name), values are Activity. 12260 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 12261 = new ArrayMap<ComponentName, PackageParser.Activity>(); 12262 private int mFlags; 12263 } 12264 12265 private final class ServiceIntentResolver 12266 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 12267 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12268 boolean defaultOnly, int userId) { 12269 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12270 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12271 } 12272 12273 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12274 int userId) { 12275 if (!sUserManager.exists(userId)) return null; 12276 mFlags = flags; 12277 return super.queryIntent(intent, resolvedType, 12278 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12279 userId); 12280 } 12281 12282 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12283 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 12284 if (!sUserManager.exists(userId)) return null; 12285 if (packageServices == null) { 12286 return null; 12287 } 12288 mFlags = flags; 12289 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 12290 final int N = packageServices.size(); 12291 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 12292 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 12293 12294 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 12295 for (int i = 0; i < N; ++i) { 12296 intentFilters = packageServices.get(i).intents; 12297 if (intentFilters != null && intentFilters.size() > 0) { 12298 PackageParser.ServiceIntentInfo[] array = 12299 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 12300 intentFilters.toArray(array); 12301 listCut.add(array); 12302 } 12303 } 12304 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12305 } 12306 12307 public final void addService(PackageParser.Service s) { 12308 mServices.put(s.getComponentName(), s); 12309 if (DEBUG_SHOW_INFO) { 12310 Log.v(TAG, " " 12311 + (s.info.nonLocalizedLabel != null 12312 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12313 Log.v(TAG, " Class=" + s.info.name); 12314 } 12315 final int NI = s.intents.size(); 12316 int j; 12317 for (j=0; j<NI; j++) { 12318 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12319 if (DEBUG_SHOW_INFO) { 12320 Log.v(TAG, " IntentFilter:"); 12321 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12322 } 12323 if (!intent.debugCheck()) { 12324 Log.w(TAG, "==> For Service " + s.info.name); 12325 } 12326 addFilter(intent); 12327 } 12328 } 12329 12330 public final void removeService(PackageParser.Service s) { 12331 mServices.remove(s.getComponentName()); 12332 if (DEBUG_SHOW_INFO) { 12333 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 12334 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12335 Log.v(TAG, " Class=" + s.info.name); 12336 } 12337 final int NI = s.intents.size(); 12338 int j; 12339 for (j=0; j<NI; j++) { 12340 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12341 if (DEBUG_SHOW_INFO) { 12342 Log.v(TAG, " IntentFilter:"); 12343 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12344 } 12345 removeFilter(intent); 12346 } 12347 } 12348 12349 @Override 12350 protected boolean allowFilterResult( 12351 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 12352 ServiceInfo filterSi = filter.service.info; 12353 for (int i=dest.size()-1; i>=0; i--) { 12354 ServiceInfo destAi = dest.get(i).serviceInfo; 12355 if (destAi.name == filterSi.name 12356 && destAi.packageName == filterSi.packageName) { 12357 return false; 12358 } 12359 } 12360 return true; 12361 } 12362 12363 @Override 12364 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 12365 return new PackageParser.ServiceIntentInfo[size]; 12366 } 12367 12368 @Override 12369 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 12370 if (!sUserManager.exists(userId)) return true; 12371 PackageParser.Package p = filter.service.owner; 12372 if (p != null) { 12373 PackageSetting ps = (PackageSetting)p.mExtras; 12374 if (ps != null) { 12375 // System apps are never considered stopped for purposes of 12376 // filtering, because there may be no way for the user to 12377 // actually re-launch them. 12378 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12379 && ps.getStopped(userId); 12380 } 12381 } 12382 return false; 12383 } 12384 12385 @Override 12386 protected boolean isPackageForFilter(String packageName, 12387 PackageParser.ServiceIntentInfo info) { 12388 return packageName.equals(info.service.owner.packageName); 12389 } 12390 12391 @Override 12392 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 12393 int match, int userId) { 12394 if (!sUserManager.exists(userId)) return null; 12395 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 12396 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 12397 return null; 12398 } 12399 final PackageParser.Service service = info.service; 12400 PackageSetting ps = (PackageSetting) service.owner.mExtras; 12401 if (ps == null) { 12402 return null; 12403 } 12404 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 12405 ps.readUserState(userId), userId); 12406 if (si == null) { 12407 return null; 12408 } 12409 final ResolveInfo res = new ResolveInfo(); 12410 res.serviceInfo = si; 12411 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12412 res.filter = filter; 12413 } 12414 res.priority = info.getPriority(); 12415 res.preferredOrder = service.owner.mPreferredOrder; 12416 res.match = match; 12417 res.isDefault = info.hasDefault; 12418 res.labelRes = info.labelRes; 12419 res.nonLocalizedLabel = info.nonLocalizedLabel; 12420 res.icon = info.icon; 12421 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 12422 return res; 12423 } 12424 12425 @Override 12426 protected void sortResults(List<ResolveInfo> results) { 12427 Collections.sort(results, mResolvePrioritySorter); 12428 } 12429 12430 @Override 12431 protected void dumpFilter(PrintWriter out, String prefix, 12432 PackageParser.ServiceIntentInfo filter) { 12433 out.print(prefix); out.print( 12434 Integer.toHexString(System.identityHashCode(filter.service))); 12435 out.print(' '); 12436 filter.service.printComponentShortName(out); 12437 out.print(" filter "); 12438 out.println(Integer.toHexString(System.identityHashCode(filter))); 12439 } 12440 12441 @Override 12442 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 12443 return filter.service; 12444 } 12445 12446 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12447 PackageParser.Service service = (PackageParser.Service)label; 12448 out.print(prefix); out.print( 12449 Integer.toHexString(System.identityHashCode(service))); 12450 out.print(' '); 12451 service.printComponentShortName(out); 12452 if (count > 1) { 12453 out.print(" ("); out.print(count); out.print(" filters)"); 12454 } 12455 out.println(); 12456 } 12457 12458// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 12459// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 12460// final List<ResolveInfo> retList = Lists.newArrayList(); 12461// while (i.hasNext()) { 12462// final ResolveInfo resolveInfo = (ResolveInfo) i; 12463// if (isEnabledLP(resolveInfo.serviceInfo)) { 12464// retList.add(resolveInfo); 12465// } 12466// } 12467// return retList; 12468// } 12469 12470 // Keys are String (activity class name), values are Activity. 12471 private final ArrayMap<ComponentName, PackageParser.Service> mServices 12472 = new ArrayMap<ComponentName, PackageParser.Service>(); 12473 private int mFlags; 12474 } 12475 12476 private final class ProviderIntentResolver 12477 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 12478 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12479 boolean defaultOnly, int userId) { 12480 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12481 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12482 } 12483 12484 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12485 int userId) { 12486 if (!sUserManager.exists(userId)) 12487 return null; 12488 mFlags = flags; 12489 return super.queryIntent(intent, resolvedType, 12490 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12491 userId); 12492 } 12493 12494 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12495 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 12496 if (!sUserManager.exists(userId)) 12497 return null; 12498 if (packageProviders == null) { 12499 return null; 12500 } 12501 mFlags = flags; 12502 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12503 final int N = packageProviders.size(); 12504 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 12505 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 12506 12507 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 12508 for (int i = 0; i < N; ++i) { 12509 intentFilters = packageProviders.get(i).intents; 12510 if (intentFilters != null && intentFilters.size() > 0) { 12511 PackageParser.ProviderIntentInfo[] array = 12512 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 12513 intentFilters.toArray(array); 12514 listCut.add(array); 12515 } 12516 } 12517 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12518 } 12519 12520 public final void addProvider(PackageParser.Provider p) { 12521 if (mProviders.containsKey(p.getComponentName())) { 12522 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 12523 return; 12524 } 12525 12526 mProviders.put(p.getComponentName(), p); 12527 if (DEBUG_SHOW_INFO) { 12528 Log.v(TAG, " " 12529 + (p.info.nonLocalizedLabel != null 12530 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12531 Log.v(TAG, " Class=" + p.info.name); 12532 } 12533 final int NI = p.intents.size(); 12534 int j; 12535 for (j = 0; j < NI; j++) { 12536 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12537 if (DEBUG_SHOW_INFO) { 12538 Log.v(TAG, " IntentFilter:"); 12539 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12540 } 12541 if (!intent.debugCheck()) { 12542 Log.w(TAG, "==> For Provider " + p.info.name); 12543 } 12544 addFilter(intent); 12545 } 12546 } 12547 12548 public final void removeProvider(PackageParser.Provider p) { 12549 mProviders.remove(p.getComponentName()); 12550 if (DEBUG_SHOW_INFO) { 12551 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 12552 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12553 Log.v(TAG, " Class=" + p.info.name); 12554 } 12555 final int NI = p.intents.size(); 12556 int j; 12557 for (j = 0; j < NI; j++) { 12558 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12559 if (DEBUG_SHOW_INFO) { 12560 Log.v(TAG, " IntentFilter:"); 12561 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12562 } 12563 removeFilter(intent); 12564 } 12565 } 12566 12567 @Override 12568 protected boolean allowFilterResult( 12569 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 12570 ProviderInfo filterPi = filter.provider.info; 12571 for (int i = dest.size() - 1; i >= 0; i--) { 12572 ProviderInfo destPi = dest.get(i).providerInfo; 12573 if (destPi.name == filterPi.name 12574 && destPi.packageName == filterPi.packageName) { 12575 return false; 12576 } 12577 } 12578 return true; 12579 } 12580 12581 @Override 12582 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 12583 return new PackageParser.ProviderIntentInfo[size]; 12584 } 12585 12586 @Override 12587 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 12588 if (!sUserManager.exists(userId)) 12589 return true; 12590 PackageParser.Package p = filter.provider.owner; 12591 if (p != null) { 12592 PackageSetting ps = (PackageSetting) p.mExtras; 12593 if (ps != null) { 12594 // System apps are never considered stopped for purposes of 12595 // filtering, because there may be no way for the user to 12596 // actually re-launch them. 12597 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12598 && ps.getStopped(userId); 12599 } 12600 } 12601 return false; 12602 } 12603 12604 @Override 12605 protected boolean isPackageForFilter(String packageName, 12606 PackageParser.ProviderIntentInfo info) { 12607 return packageName.equals(info.provider.owner.packageName); 12608 } 12609 12610 @Override 12611 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 12612 int match, int userId) { 12613 if (!sUserManager.exists(userId)) 12614 return null; 12615 final PackageParser.ProviderIntentInfo info = filter; 12616 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 12617 return null; 12618 } 12619 final PackageParser.Provider provider = info.provider; 12620 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 12621 if (ps == null) { 12622 return null; 12623 } 12624 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 12625 ps.readUserState(userId), userId); 12626 if (pi == null) { 12627 return null; 12628 } 12629 final ResolveInfo res = new ResolveInfo(); 12630 res.providerInfo = pi; 12631 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 12632 res.filter = filter; 12633 } 12634 res.priority = info.getPriority(); 12635 res.preferredOrder = provider.owner.mPreferredOrder; 12636 res.match = match; 12637 res.isDefault = info.hasDefault; 12638 res.labelRes = info.labelRes; 12639 res.nonLocalizedLabel = info.nonLocalizedLabel; 12640 res.icon = info.icon; 12641 res.system = res.providerInfo.applicationInfo.isSystemApp(); 12642 return res; 12643 } 12644 12645 @Override 12646 protected void sortResults(List<ResolveInfo> results) { 12647 Collections.sort(results, mResolvePrioritySorter); 12648 } 12649 12650 @Override 12651 protected void dumpFilter(PrintWriter out, String prefix, 12652 PackageParser.ProviderIntentInfo filter) { 12653 out.print(prefix); 12654 out.print( 12655 Integer.toHexString(System.identityHashCode(filter.provider))); 12656 out.print(' '); 12657 filter.provider.printComponentShortName(out); 12658 out.print(" filter "); 12659 out.println(Integer.toHexString(System.identityHashCode(filter))); 12660 } 12661 12662 @Override 12663 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 12664 return filter.provider; 12665 } 12666 12667 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12668 PackageParser.Provider provider = (PackageParser.Provider)label; 12669 out.print(prefix); out.print( 12670 Integer.toHexString(System.identityHashCode(provider))); 12671 out.print(' '); 12672 provider.printComponentShortName(out); 12673 if (count > 1) { 12674 out.print(" ("); out.print(count); out.print(" filters)"); 12675 } 12676 out.println(); 12677 } 12678 12679 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 12680 = new ArrayMap<ComponentName, PackageParser.Provider>(); 12681 private int mFlags; 12682 } 12683 12684 static final class EphemeralIntentResolver 12685 extends IntentResolver<AuxiliaryResolveInfo, AuxiliaryResolveInfo> { 12686 /** 12687 * The result that has the highest defined order. Ordering applies on a 12688 * per-package basis. Mapping is from package name to Pair of order and 12689 * EphemeralResolveInfo. 12690 * <p> 12691 * NOTE: This is implemented as a field variable for convenience and efficiency. 12692 * By having a field variable, we're able to track filter ordering as soon as 12693 * a non-zero order is defined. Otherwise, multiple loops across the result set 12694 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 12695 * this needs to be contained entirely within {@link #filterResults}. 12696 */ 12697 final ArrayMap<String, Pair<Integer, InstantAppResolveInfo>> mOrderResult = new ArrayMap<>(); 12698 12699 @Override 12700 protected AuxiliaryResolveInfo[] newArray(int size) { 12701 return new AuxiliaryResolveInfo[size]; 12702 } 12703 12704 @Override 12705 protected boolean isPackageForFilter(String packageName, AuxiliaryResolveInfo responseObj) { 12706 return true; 12707 } 12708 12709 @Override 12710 protected AuxiliaryResolveInfo newResult(AuxiliaryResolveInfo responseObj, int match, 12711 int userId) { 12712 if (!sUserManager.exists(userId)) { 12713 return null; 12714 } 12715 final String packageName = responseObj.resolveInfo.getPackageName(); 12716 final Integer order = responseObj.getOrder(); 12717 final Pair<Integer, InstantAppResolveInfo> lastOrderResult = 12718 mOrderResult.get(packageName); 12719 // ordering is enabled and this item's order isn't high enough 12720 if (lastOrderResult != null && lastOrderResult.first >= order) { 12721 return null; 12722 } 12723 final InstantAppResolveInfo res = responseObj.resolveInfo; 12724 if (order > 0) { 12725 // non-zero order, enable ordering 12726 mOrderResult.put(packageName, new Pair<>(order, res)); 12727 } 12728 return responseObj; 12729 } 12730 12731 @Override 12732 protected void filterResults(List<AuxiliaryResolveInfo> results) { 12733 // only do work if ordering is enabled [most of the time it won't be] 12734 if (mOrderResult.size() == 0) { 12735 return; 12736 } 12737 int resultSize = results.size(); 12738 for (int i = 0; i < resultSize; i++) { 12739 final InstantAppResolveInfo info = results.get(i).resolveInfo; 12740 final String packageName = info.getPackageName(); 12741 final Pair<Integer, InstantAppResolveInfo> savedInfo = mOrderResult.get(packageName); 12742 if (savedInfo == null) { 12743 // package doesn't having ordering 12744 continue; 12745 } 12746 if (savedInfo.second == info) { 12747 // circled back to the highest ordered item; remove from order list 12748 mOrderResult.remove(savedInfo); 12749 if (mOrderResult.size() == 0) { 12750 // no more ordered items 12751 break; 12752 } 12753 continue; 12754 } 12755 // item has a worse order, remove it from the result list 12756 results.remove(i); 12757 resultSize--; 12758 i--; 12759 } 12760 } 12761 } 12762 12763 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 12764 new Comparator<ResolveInfo>() { 12765 public int compare(ResolveInfo r1, ResolveInfo r2) { 12766 int v1 = r1.priority; 12767 int v2 = r2.priority; 12768 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 12769 if (v1 != v2) { 12770 return (v1 > v2) ? -1 : 1; 12771 } 12772 v1 = r1.preferredOrder; 12773 v2 = r2.preferredOrder; 12774 if (v1 != v2) { 12775 return (v1 > v2) ? -1 : 1; 12776 } 12777 if (r1.isDefault != r2.isDefault) { 12778 return r1.isDefault ? -1 : 1; 12779 } 12780 v1 = r1.match; 12781 v2 = r2.match; 12782 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 12783 if (v1 != v2) { 12784 return (v1 > v2) ? -1 : 1; 12785 } 12786 if (r1.system != r2.system) { 12787 return r1.system ? -1 : 1; 12788 } 12789 if (r1.activityInfo != null) { 12790 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 12791 } 12792 if (r1.serviceInfo != null) { 12793 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 12794 } 12795 if (r1.providerInfo != null) { 12796 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 12797 } 12798 return 0; 12799 } 12800 }; 12801 12802 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 12803 new Comparator<ProviderInfo>() { 12804 public int compare(ProviderInfo p1, ProviderInfo p2) { 12805 final int v1 = p1.initOrder; 12806 final int v2 = p2.initOrder; 12807 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 12808 } 12809 }; 12810 12811 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 12812 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 12813 final int[] userIds) { 12814 mHandler.post(new Runnable() { 12815 @Override 12816 public void run() { 12817 try { 12818 final IActivityManager am = ActivityManager.getService(); 12819 if (am == null) return; 12820 final int[] resolvedUserIds; 12821 if (userIds == null) { 12822 resolvedUserIds = am.getRunningUserIds(); 12823 } else { 12824 resolvedUserIds = userIds; 12825 } 12826 for (int id : resolvedUserIds) { 12827 final Intent intent = new Intent(action, 12828 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 12829 if (extras != null) { 12830 intent.putExtras(extras); 12831 } 12832 if (targetPkg != null) { 12833 intent.setPackage(targetPkg); 12834 } 12835 // Modify the UID when posting to other users 12836 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 12837 if (uid > 0 && UserHandle.getUserId(uid) != id) { 12838 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 12839 intent.putExtra(Intent.EXTRA_UID, uid); 12840 } 12841 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 12842 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 12843 if (DEBUG_BROADCASTS) { 12844 RuntimeException here = new RuntimeException("here"); 12845 here.fillInStackTrace(); 12846 Slog.d(TAG, "Sending to user " + id + ": " 12847 + intent.toShortString(false, true, false, false) 12848 + " " + intent.getExtras(), here); 12849 } 12850 am.broadcastIntent(null, intent, null, finishedReceiver, 12851 0, null, null, null, android.app.AppOpsManager.OP_NONE, 12852 null, finishedReceiver != null, false, id); 12853 } 12854 } catch (RemoteException ex) { 12855 } 12856 } 12857 }); 12858 } 12859 12860 /** 12861 * Check if the external storage media is available. This is true if there 12862 * is a mounted external storage medium or if the external storage is 12863 * emulated. 12864 */ 12865 private boolean isExternalMediaAvailable() { 12866 return mMediaMounted || Environment.isExternalStorageEmulated(); 12867 } 12868 12869 @Override 12870 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 12871 // writer 12872 synchronized (mPackages) { 12873 if (!isExternalMediaAvailable()) { 12874 // If the external storage is no longer mounted at this point, 12875 // the caller may not have been able to delete all of this 12876 // packages files and can not delete any more. Bail. 12877 return null; 12878 } 12879 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 12880 if (lastPackage != null) { 12881 pkgs.remove(lastPackage); 12882 } 12883 if (pkgs.size() > 0) { 12884 return pkgs.get(0); 12885 } 12886 } 12887 return null; 12888 } 12889 12890 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 12891 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 12892 userId, andCode ? 1 : 0, packageName); 12893 if (mSystemReady) { 12894 msg.sendToTarget(); 12895 } else { 12896 if (mPostSystemReadyMessages == null) { 12897 mPostSystemReadyMessages = new ArrayList<>(); 12898 } 12899 mPostSystemReadyMessages.add(msg); 12900 } 12901 } 12902 12903 void startCleaningPackages() { 12904 // reader 12905 if (!isExternalMediaAvailable()) { 12906 return; 12907 } 12908 synchronized (mPackages) { 12909 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 12910 return; 12911 } 12912 } 12913 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 12914 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 12915 IActivityManager am = ActivityManager.getService(); 12916 if (am != null) { 12917 try { 12918 getDeviceIdleController().addPowerSaveTempWhitelistApp(Process.SYSTEM_UID, 12919 DEFAULT_CONTAINER_PACKAGE, DEFAULT_CONTAINER_WHITELIST_DURATION, 12920 UserHandle.USER_SYSTEM, false, "cleaning packages"); 12921 am.startService(null, intent, null, -1, null, false, mContext.getOpPackageName(), 12922 UserHandle.USER_SYSTEM); 12923 } catch (RemoteException e) { 12924 } 12925 } 12926 } 12927 12928 @Override 12929 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 12930 int installFlags, String installerPackageName, int userId) { 12931 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 12932 12933 final int callingUid = Binder.getCallingUid(); 12934 enforceCrossUserPermission(callingUid, userId, 12935 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 12936 12937 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 12938 try { 12939 if (observer != null) { 12940 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 12941 } 12942 } catch (RemoteException re) { 12943 } 12944 return; 12945 } 12946 12947 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 12948 installFlags |= PackageManager.INSTALL_FROM_ADB; 12949 12950 } else { 12951 // Caller holds INSTALL_PACKAGES permission, so we're less strict 12952 // about installerPackageName. 12953 12954 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 12955 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 12956 } 12957 12958 UserHandle user; 12959 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 12960 user = UserHandle.ALL; 12961 } else { 12962 user = new UserHandle(userId); 12963 } 12964 12965 // Only system components can circumvent runtime permissions when installing. 12966 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 12967 && mContext.checkCallingOrSelfPermission(Manifest.permission 12968 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 12969 throw new SecurityException("You need the " 12970 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 12971 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 12972 } 12973 12974 if ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0 12975 || (installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12976 throw new IllegalArgumentException( 12977 "New installs into ASEC containers no longer supported"); 12978 } 12979 12980 final File originFile = new File(originPath); 12981 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 12982 12983 final Message msg = mHandler.obtainMessage(INIT_COPY); 12984 final VerificationInfo verificationInfo = new VerificationInfo( 12985 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 12986 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 12987 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 12988 null /*packageAbiOverride*/, null /*grantedPermissions*/, 12989 null /*certificates*/, PackageManager.INSTALL_REASON_UNKNOWN); 12990 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 12991 msg.obj = params; 12992 12993 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 12994 System.identityHashCode(msg.obj)); 12995 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 12996 System.identityHashCode(msg.obj)); 12997 12998 mHandler.sendMessage(msg); 12999 } 13000 13001 13002 /** 13003 * Ensure that the install reason matches what we know about the package installer (e.g. whether 13004 * it is acting on behalf on an enterprise or the user). 13005 * 13006 * Note that the ordering of the conditionals in this method is important. The checks we perform 13007 * are as follows, in this order: 13008 * 13009 * 1) If the install is being performed by a system app, we can trust the app to have set the 13010 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 13011 * what it is. 13012 * 2) If the install is being performed by a device or profile owner app, the install reason 13013 * should be enterprise policy. However, we cannot be sure that the device or profile owner 13014 * set the install reason correctly. If the app targets an older SDK version where install 13015 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 13016 * unset or wrong. Thus, we force the install reason to be enterprise policy. 13017 * 3) In all other cases, the install is being performed by a regular app that is neither part 13018 * of the system nor a device or profile owner. We have no reason to believe that this app is 13019 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 13020 * set to enterprise policy and if so, change it to unknown instead. 13021 */ 13022 private int fixUpInstallReason(String installerPackageName, int installerUid, 13023 int installReason) { 13024 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 13025 == PERMISSION_GRANTED) { 13026 // If the install is being performed by a system app, we trust that app to have set the 13027 // install reason correctly. 13028 return installReason; 13029 } 13030 13031 final IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13032 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13033 if (dpm != null) { 13034 ComponentName owner = null; 13035 try { 13036 owner = dpm.getDeviceOwnerComponent(true /* callingUserOnly */); 13037 if (owner == null) { 13038 owner = dpm.getProfileOwner(UserHandle.getUserId(installerUid)); 13039 } 13040 } catch (RemoteException e) { 13041 } 13042 if (owner != null && owner.getPackageName().equals(installerPackageName)) { 13043 // If the install is being performed by a device or profile owner, the install 13044 // reason should be enterprise policy. 13045 return PackageManager.INSTALL_REASON_POLICY; 13046 } 13047 } 13048 13049 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 13050 // If the install is being performed by a regular app (i.e. neither system app nor 13051 // device or profile owner), we have no reason to believe that the app is acting on 13052 // behalf of an enterprise. If the app set the install reason to enterprise policy, 13053 // change it to unknown instead. 13054 return PackageManager.INSTALL_REASON_UNKNOWN; 13055 } 13056 13057 // If the install is being performed by a regular app and the install reason was set to any 13058 // value but enterprise policy, leave the install reason unchanged. 13059 return installReason; 13060 } 13061 13062 void installStage(String packageName, File stagedDir, String stagedCid, 13063 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 13064 String installerPackageName, int installerUid, UserHandle user, 13065 Certificate[][] certificates) { 13066 if (DEBUG_EPHEMERAL) { 13067 if ((sessionParams.installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13068 Slog.d(TAG, "Ephemeral install of " + packageName); 13069 } 13070 } 13071 final VerificationInfo verificationInfo = new VerificationInfo( 13072 sessionParams.originatingUri, sessionParams.referrerUri, 13073 sessionParams.originatingUid, installerUid); 13074 13075 final OriginInfo origin; 13076 if (stagedDir != null) { 13077 origin = OriginInfo.fromStagedFile(stagedDir); 13078 } else { 13079 origin = OriginInfo.fromStagedContainer(stagedCid); 13080 } 13081 13082 final Message msg = mHandler.obtainMessage(INIT_COPY); 13083 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 13084 sessionParams.installReason); 13085 final InstallParams params = new InstallParams(origin, null, observer, 13086 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 13087 verificationInfo, user, sessionParams.abiOverride, 13088 sessionParams.grantedRuntimePermissions, certificates, installReason); 13089 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 13090 msg.obj = params; 13091 13092 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 13093 System.identityHashCode(msg.obj)); 13094 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13095 System.identityHashCode(msg.obj)); 13096 13097 mHandler.sendMessage(msg); 13098 } 13099 13100 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 13101 int userId) { 13102 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 13103 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 13104 } 13105 13106 private void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 13107 int appId, int... userIds) { 13108 if (ArrayUtils.isEmpty(userIds)) { 13109 return; 13110 } 13111 Bundle extras = new Bundle(1); 13112 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 13113 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 13114 13115 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 13116 packageName, extras, 0, null, null, userIds); 13117 if (isSystem) { 13118 mHandler.post(() -> { 13119 for (int userId : userIds) { 13120 sendBootCompletedBroadcastToSystemApp(packageName, userId); 13121 } 13122 } 13123 ); 13124 } 13125 } 13126 13127 /** 13128 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 13129 * automatically without needing an explicit launch. 13130 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 13131 */ 13132 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 13133 // If user is not running, the app didn't miss any broadcast 13134 if (!mUserManagerInternal.isUserRunning(userId)) { 13135 return; 13136 } 13137 final IActivityManager am = ActivityManager.getService(); 13138 try { 13139 // Deliver LOCKED_BOOT_COMPLETED first 13140 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 13141 .setPackage(packageName); 13142 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 13143 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 13144 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13145 13146 // Deliver BOOT_COMPLETED only if user is unlocked 13147 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 13148 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 13149 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 13150 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13151 } 13152 } catch (RemoteException e) { 13153 throw e.rethrowFromSystemServer(); 13154 } 13155 } 13156 13157 @Override 13158 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 13159 int userId) { 13160 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13161 PackageSetting pkgSetting; 13162 final int uid = Binder.getCallingUid(); 13163 enforceCrossUserPermission(uid, userId, 13164 true /* requireFullPermission */, true /* checkShell */, 13165 "setApplicationHiddenSetting for user " + userId); 13166 13167 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 13168 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 13169 return false; 13170 } 13171 13172 long callingId = Binder.clearCallingIdentity(); 13173 try { 13174 boolean sendAdded = false; 13175 boolean sendRemoved = false; 13176 // writer 13177 synchronized (mPackages) { 13178 pkgSetting = mSettings.mPackages.get(packageName); 13179 if (pkgSetting == null) { 13180 return false; 13181 } 13182 // Do not allow "android" is being disabled 13183 if ("android".equals(packageName)) { 13184 Slog.w(TAG, "Cannot hide package: android"); 13185 return false; 13186 } 13187 // Cannot hide static shared libs as they are considered 13188 // a part of the using app (emulating static linking). Also 13189 // static libs are installed always on internal storage. 13190 PackageParser.Package pkg = mPackages.get(packageName); 13191 if (pkg != null && pkg.staticSharedLibName != null) { 13192 Slog.w(TAG, "Cannot hide package: " + packageName 13193 + " providing static shared library: " 13194 + pkg.staticSharedLibName); 13195 return false; 13196 } 13197 // Only allow protected packages to hide themselves. 13198 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 13199 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13200 Slog.w(TAG, "Not hiding protected package: " + packageName); 13201 return false; 13202 } 13203 13204 if (pkgSetting.getHidden(userId) != hidden) { 13205 pkgSetting.setHidden(hidden, userId); 13206 mSettings.writePackageRestrictionsLPr(userId); 13207 if (hidden) { 13208 sendRemoved = true; 13209 } else { 13210 sendAdded = true; 13211 } 13212 } 13213 } 13214 if (sendAdded) { 13215 sendPackageAddedForUser(packageName, pkgSetting, userId); 13216 return true; 13217 } 13218 if (sendRemoved) { 13219 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 13220 "hiding pkg"); 13221 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 13222 return true; 13223 } 13224 } finally { 13225 Binder.restoreCallingIdentity(callingId); 13226 } 13227 return false; 13228 } 13229 13230 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 13231 int userId) { 13232 final PackageRemovedInfo info = new PackageRemovedInfo(); 13233 info.removedPackage = packageName; 13234 info.removedUsers = new int[] {userId}; 13235 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 13236 info.sendPackageRemovedBroadcasts(true /*killApp*/); 13237 } 13238 13239 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 13240 if (pkgList.length > 0) { 13241 Bundle extras = new Bundle(1); 13242 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 13243 13244 sendPackageBroadcast( 13245 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 13246 : Intent.ACTION_PACKAGES_UNSUSPENDED, 13247 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 13248 new int[] {userId}); 13249 } 13250 } 13251 13252 /** 13253 * Returns true if application is not found or there was an error. Otherwise it returns 13254 * the hidden state of the package for the given user. 13255 */ 13256 @Override 13257 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 13258 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13259 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13260 true /* requireFullPermission */, false /* checkShell */, 13261 "getApplicationHidden for user " + userId); 13262 PackageSetting pkgSetting; 13263 long callingId = Binder.clearCallingIdentity(); 13264 try { 13265 // writer 13266 synchronized (mPackages) { 13267 pkgSetting = mSettings.mPackages.get(packageName); 13268 if (pkgSetting == null) { 13269 return true; 13270 } 13271 return pkgSetting.getHidden(userId); 13272 } 13273 } finally { 13274 Binder.restoreCallingIdentity(callingId); 13275 } 13276 } 13277 13278 /** 13279 * @hide 13280 */ 13281 @Override 13282 public int installExistingPackageAsUser(String packageName, int userId, int installFlags, 13283 int installReason) { 13284 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 13285 null); 13286 PackageSetting pkgSetting; 13287 final int uid = Binder.getCallingUid(); 13288 enforceCrossUserPermission(uid, userId, 13289 true /* requireFullPermission */, true /* checkShell */, 13290 "installExistingPackage for user " + userId); 13291 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13292 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 13293 } 13294 13295 long callingId = Binder.clearCallingIdentity(); 13296 try { 13297 boolean installed = false; 13298 final boolean instantApp = 13299 (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 13300 final boolean fullApp = 13301 (installFlags & PackageManager.INSTALL_FULL_APP) != 0; 13302 13303 // writer 13304 synchronized (mPackages) { 13305 pkgSetting = mSettings.mPackages.get(packageName); 13306 if (pkgSetting == null) { 13307 return PackageManager.INSTALL_FAILED_INVALID_URI; 13308 } 13309 if (!pkgSetting.getInstalled(userId)) { 13310 pkgSetting.setInstalled(true, userId); 13311 pkgSetting.setHidden(false, userId); 13312 pkgSetting.setInstallReason(installReason, userId); 13313 mSettings.writePackageRestrictionsLPr(userId); 13314 mSettings.writeKernelMappingLPr(pkgSetting); 13315 installed = true; 13316 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13317 // upgrade app from instant to full; we don't allow app downgrade 13318 installed = true; 13319 } 13320 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 13321 } 13322 13323 if (installed) { 13324 if (pkgSetting.pkg != null) { 13325 synchronized (mInstallLock) { 13326 // We don't need to freeze for a brand new install 13327 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 13328 } 13329 } 13330 sendPackageAddedForUser(packageName, pkgSetting, userId); 13331 synchronized (mPackages) { 13332 updateSequenceNumberLP(packageName, new int[]{ userId }); 13333 } 13334 } 13335 } finally { 13336 Binder.restoreCallingIdentity(callingId); 13337 } 13338 13339 return PackageManager.INSTALL_SUCCEEDED; 13340 } 13341 13342 void setInstantAppForUser(PackageSetting pkgSetting, int userId, 13343 boolean instantApp, boolean fullApp) { 13344 // no state specified; do nothing 13345 if (!instantApp && !fullApp) { 13346 return; 13347 } 13348 if (userId != UserHandle.USER_ALL) { 13349 if (instantApp && !pkgSetting.getInstantApp(userId)) { 13350 pkgSetting.setInstantApp(true /*instantApp*/, userId); 13351 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13352 pkgSetting.setInstantApp(false /*instantApp*/, userId); 13353 } 13354 } else { 13355 for (int currentUserId : sUserManager.getUserIds()) { 13356 if (instantApp && !pkgSetting.getInstantApp(currentUserId)) { 13357 pkgSetting.setInstantApp(true /*instantApp*/, currentUserId); 13358 } else if (fullApp && pkgSetting.getInstantApp(currentUserId)) { 13359 pkgSetting.setInstantApp(false /*instantApp*/, currentUserId); 13360 } 13361 } 13362 } 13363 } 13364 13365 boolean isUserRestricted(int userId, String restrictionKey) { 13366 Bundle restrictions = sUserManager.getUserRestrictions(userId); 13367 if (restrictions.getBoolean(restrictionKey, false)) { 13368 Log.w(TAG, "User is restricted: " + restrictionKey); 13369 return true; 13370 } 13371 return false; 13372 } 13373 13374 @Override 13375 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 13376 int userId) { 13377 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13378 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13379 true /* requireFullPermission */, true /* checkShell */, 13380 "setPackagesSuspended for user " + userId); 13381 13382 if (ArrayUtils.isEmpty(packageNames)) { 13383 return packageNames; 13384 } 13385 13386 // List of package names for whom the suspended state has changed. 13387 List<String> changedPackages = new ArrayList<>(packageNames.length); 13388 // List of package names for whom the suspended state is not set as requested in this 13389 // method. 13390 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 13391 long callingId = Binder.clearCallingIdentity(); 13392 try { 13393 for (int i = 0; i < packageNames.length; i++) { 13394 String packageName = packageNames[i]; 13395 boolean changed = false; 13396 final int appId; 13397 synchronized (mPackages) { 13398 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13399 if (pkgSetting == null) { 13400 Slog.w(TAG, "Could not find package setting for package \"" + packageName 13401 + "\". Skipping suspending/un-suspending."); 13402 unactionedPackages.add(packageName); 13403 continue; 13404 } 13405 appId = pkgSetting.appId; 13406 if (pkgSetting.getSuspended(userId) != suspended) { 13407 if (!canSuspendPackageForUserLocked(packageName, userId)) { 13408 unactionedPackages.add(packageName); 13409 continue; 13410 } 13411 pkgSetting.setSuspended(suspended, userId); 13412 mSettings.writePackageRestrictionsLPr(userId); 13413 changed = true; 13414 changedPackages.add(packageName); 13415 } 13416 } 13417 13418 if (changed && suspended) { 13419 killApplication(packageName, UserHandle.getUid(userId, appId), 13420 "suspending package"); 13421 } 13422 } 13423 } finally { 13424 Binder.restoreCallingIdentity(callingId); 13425 } 13426 13427 if (!changedPackages.isEmpty()) { 13428 sendPackagesSuspendedForUser(changedPackages.toArray( 13429 new String[changedPackages.size()]), userId, suspended); 13430 } 13431 13432 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 13433 } 13434 13435 @Override 13436 public boolean isPackageSuspendedForUser(String packageName, int userId) { 13437 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13438 true /* requireFullPermission */, false /* checkShell */, 13439 "isPackageSuspendedForUser for user " + userId); 13440 synchronized (mPackages) { 13441 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13442 if (pkgSetting == null) { 13443 throw new IllegalArgumentException("Unknown target package: " + packageName); 13444 } 13445 return pkgSetting.getSuspended(userId); 13446 } 13447 } 13448 13449 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 13450 if (isPackageDeviceAdmin(packageName, userId)) { 13451 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13452 + "\": has an active device admin"); 13453 return false; 13454 } 13455 13456 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 13457 if (packageName.equals(activeLauncherPackageName)) { 13458 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13459 + "\": contains the active launcher"); 13460 return false; 13461 } 13462 13463 if (packageName.equals(mRequiredInstallerPackage)) { 13464 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13465 + "\": required for package installation"); 13466 return false; 13467 } 13468 13469 if (packageName.equals(mRequiredUninstallerPackage)) { 13470 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13471 + "\": required for package uninstallation"); 13472 return false; 13473 } 13474 13475 if (packageName.equals(mRequiredVerifierPackage)) { 13476 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13477 + "\": required for package verification"); 13478 return false; 13479 } 13480 13481 if (packageName.equals(getDefaultDialerPackageName(userId))) { 13482 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13483 + "\": is the default dialer"); 13484 return false; 13485 } 13486 13487 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13488 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13489 + "\": protected package"); 13490 return false; 13491 } 13492 13493 // Cannot suspend static shared libs as they are considered 13494 // a part of the using app (emulating static linking). Also 13495 // static libs are installed always on internal storage. 13496 PackageParser.Package pkg = mPackages.get(packageName); 13497 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 13498 Slog.w(TAG, "Cannot suspend package: " + packageName 13499 + " providing static shared library: " 13500 + pkg.staticSharedLibName); 13501 return false; 13502 } 13503 13504 return true; 13505 } 13506 13507 private String getActiveLauncherPackageName(int userId) { 13508 Intent intent = new Intent(Intent.ACTION_MAIN); 13509 intent.addCategory(Intent.CATEGORY_HOME); 13510 ResolveInfo resolveInfo = resolveIntent( 13511 intent, 13512 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 13513 PackageManager.MATCH_DEFAULT_ONLY, 13514 userId); 13515 13516 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 13517 } 13518 13519 private String getDefaultDialerPackageName(int userId) { 13520 synchronized (mPackages) { 13521 return mSettings.getDefaultDialerPackageNameLPw(userId); 13522 } 13523 } 13524 13525 @Override 13526 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 13527 mContext.enforceCallingOrSelfPermission( 13528 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13529 "Only package verification agents can verify applications"); 13530 13531 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13532 final PackageVerificationResponse response = new PackageVerificationResponse( 13533 verificationCode, Binder.getCallingUid()); 13534 msg.arg1 = id; 13535 msg.obj = response; 13536 mHandler.sendMessage(msg); 13537 } 13538 13539 @Override 13540 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 13541 long millisecondsToDelay) { 13542 mContext.enforceCallingOrSelfPermission( 13543 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13544 "Only package verification agents can extend verification timeouts"); 13545 13546 final PackageVerificationState state = mPendingVerification.get(id); 13547 final PackageVerificationResponse response = new PackageVerificationResponse( 13548 verificationCodeAtTimeout, Binder.getCallingUid()); 13549 13550 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 13551 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 13552 } 13553 if (millisecondsToDelay < 0) { 13554 millisecondsToDelay = 0; 13555 } 13556 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 13557 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 13558 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 13559 } 13560 13561 if ((state != null) && !state.timeoutExtended()) { 13562 state.extendTimeout(); 13563 13564 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13565 msg.arg1 = id; 13566 msg.obj = response; 13567 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 13568 } 13569 } 13570 13571 private void broadcastPackageVerified(int verificationId, Uri packageUri, 13572 int verificationCode, UserHandle user) { 13573 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 13574 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 13575 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13576 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13577 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 13578 13579 mContext.sendBroadcastAsUser(intent, user, 13580 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 13581 } 13582 13583 private ComponentName matchComponentForVerifier(String packageName, 13584 List<ResolveInfo> receivers) { 13585 ActivityInfo targetReceiver = null; 13586 13587 final int NR = receivers.size(); 13588 for (int i = 0; i < NR; i++) { 13589 final ResolveInfo info = receivers.get(i); 13590 if (info.activityInfo == null) { 13591 continue; 13592 } 13593 13594 if (packageName.equals(info.activityInfo.packageName)) { 13595 targetReceiver = info.activityInfo; 13596 break; 13597 } 13598 } 13599 13600 if (targetReceiver == null) { 13601 return null; 13602 } 13603 13604 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 13605 } 13606 13607 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 13608 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 13609 if (pkgInfo.verifiers.length == 0) { 13610 return null; 13611 } 13612 13613 final int N = pkgInfo.verifiers.length; 13614 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 13615 for (int i = 0; i < N; i++) { 13616 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 13617 13618 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 13619 receivers); 13620 if (comp == null) { 13621 continue; 13622 } 13623 13624 final int verifierUid = getUidForVerifier(verifierInfo); 13625 if (verifierUid == -1) { 13626 continue; 13627 } 13628 13629 if (DEBUG_VERIFY) { 13630 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 13631 + " with the correct signature"); 13632 } 13633 sufficientVerifiers.add(comp); 13634 verificationState.addSufficientVerifier(verifierUid); 13635 } 13636 13637 return sufficientVerifiers; 13638 } 13639 13640 private int getUidForVerifier(VerifierInfo verifierInfo) { 13641 synchronized (mPackages) { 13642 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 13643 if (pkg == null) { 13644 return -1; 13645 } else if (pkg.mSignatures.length != 1) { 13646 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13647 + " has more than one signature; ignoring"); 13648 return -1; 13649 } 13650 13651 /* 13652 * If the public key of the package's signature does not match 13653 * our expected public key, then this is a different package and 13654 * we should skip. 13655 */ 13656 13657 final byte[] expectedPublicKey; 13658 try { 13659 final Signature verifierSig = pkg.mSignatures[0]; 13660 final PublicKey publicKey = verifierSig.getPublicKey(); 13661 expectedPublicKey = publicKey.getEncoded(); 13662 } catch (CertificateException e) { 13663 return -1; 13664 } 13665 13666 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 13667 13668 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 13669 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13670 + " does not have the expected public key; ignoring"); 13671 return -1; 13672 } 13673 13674 return pkg.applicationInfo.uid; 13675 } 13676 } 13677 13678 @Override 13679 public void finishPackageInstall(int token, boolean didLaunch) { 13680 enforceSystemOrRoot("Only the system is allowed to finish installs"); 13681 13682 if (DEBUG_INSTALL) { 13683 Slog.v(TAG, "BM finishing package install for " + token); 13684 } 13685 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13686 13687 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 13688 mHandler.sendMessage(msg); 13689 } 13690 13691 /** 13692 * Get the verification agent timeout. 13693 * 13694 * @return verification timeout in milliseconds 13695 */ 13696 private long getVerificationTimeout() { 13697 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 13698 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 13699 DEFAULT_VERIFICATION_TIMEOUT); 13700 } 13701 13702 /** 13703 * Get the default verification agent response code. 13704 * 13705 * @return default verification response code 13706 */ 13707 private int getDefaultVerificationResponse() { 13708 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13709 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 13710 DEFAULT_VERIFICATION_RESPONSE); 13711 } 13712 13713 /** 13714 * Check whether or not package verification has been enabled. 13715 * 13716 * @return true if verification should be performed 13717 */ 13718 private boolean isVerificationEnabled(int userId, int installFlags) { 13719 if (!DEFAULT_VERIFY_ENABLE) { 13720 return false; 13721 } 13722 13723 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 13724 13725 // Check if installing from ADB 13726 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 13727 // Do not run verification in a test harness environment 13728 if (ActivityManager.isRunningInTestHarness()) { 13729 return false; 13730 } 13731 if (ensureVerifyAppsEnabled) { 13732 return true; 13733 } 13734 // Check if the developer does not want package verification for ADB installs 13735 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13736 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 13737 return false; 13738 } 13739 } 13740 13741 if (ensureVerifyAppsEnabled) { 13742 return true; 13743 } 13744 13745 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13746 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 13747 } 13748 13749 @Override 13750 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 13751 throws RemoteException { 13752 mContext.enforceCallingOrSelfPermission( 13753 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 13754 "Only intentfilter verification agents can verify applications"); 13755 13756 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 13757 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 13758 Binder.getCallingUid(), verificationCode, failedDomains); 13759 msg.arg1 = id; 13760 msg.obj = response; 13761 mHandler.sendMessage(msg); 13762 } 13763 13764 @Override 13765 public int getIntentVerificationStatus(String packageName, int userId) { 13766 synchronized (mPackages) { 13767 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 13768 } 13769 } 13770 13771 @Override 13772 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 13773 mContext.enforceCallingOrSelfPermission( 13774 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13775 13776 boolean result = false; 13777 synchronized (mPackages) { 13778 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 13779 } 13780 if (result) { 13781 scheduleWritePackageRestrictionsLocked(userId); 13782 } 13783 return result; 13784 } 13785 13786 @Override 13787 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 13788 String packageName) { 13789 synchronized (mPackages) { 13790 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 13791 } 13792 } 13793 13794 @Override 13795 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 13796 if (TextUtils.isEmpty(packageName)) { 13797 return ParceledListSlice.emptyList(); 13798 } 13799 synchronized (mPackages) { 13800 PackageParser.Package pkg = mPackages.get(packageName); 13801 if (pkg == null || pkg.activities == null) { 13802 return ParceledListSlice.emptyList(); 13803 } 13804 final int count = pkg.activities.size(); 13805 ArrayList<IntentFilter> result = new ArrayList<>(); 13806 for (int n=0; n<count; n++) { 13807 PackageParser.Activity activity = pkg.activities.get(n); 13808 if (activity.intents != null && activity.intents.size() > 0) { 13809 result.addAll(activity.intents); 13810 } 13811 } 13812 return new ParceledListSlice<>(result); 13813 } 13814 } 13815 13816 @Override 13817 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 13818 mContext.enforceCallingOrSelfPermission( 13819 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13820 13821 synchronized (mPackages) { 13822 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 13823 if (packageName != null) { 13824 result |= updateIntentVerificationStatus(packageName, 13825 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 13826 userId); 13827 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 13828 packageName, userId); 13829 } 13830 return result; 13831 } 13832 } 13833 13834 @Override 13835 public String getDefaultBrowserPackageName(int userId) { 13836 synchronized (mPackages) { 13837 return mSettings.getDefaultBrowserPackageNameLPw(userId); 13838 } 13839 } 13840 13841 /** 13842 * Get the "allow unknown sources" setting. 13843 * 13844 * @return the current "allow unknown sources" setting 13845 */ 13846 private int getUnknownSourcesSettings() { 13847 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 13848 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 13849 -1); 13850 } 13851 13852 @Override 13853 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 13854 final int uid = Binder.getCallingUid(); 13855 // writer 13856 synchronized (mPackages) { 13857 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 13858 if (targetPackageSetting == null) { 13859 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 13860 } 13861 13862 PackageSetting installerPackageSetting; 13863 if (installerPackageName != null) { 13864 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 13865 if (installerPackageSetting == null) { 13866 throw new IllegalArgumentException("Unknown installer package: " 13867 + installerPackageName); 13868 } 13869 } else { 13870 installerPackageSetting = null; 13871 } 13872 13873 Signature[] callerSignature; 13874 Object obj = mSettings.getUserIdLPr(uid); 13875 if (obj != null) { 13876 if (obj instanceof SharedUserSetting) { 13877 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 13878 } else if (obj instanceof PackageSetting) { 13879 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 13880 } else { 13881 throw new SecurityException("Bad object " + obj + " for uid " + uid); 13882 } 13883 } else { 13884 throw new SecurityException("Unknown calling UID: " + uid); 13885 } 13886 13887 // Verify: can't set installerPackageName to a package that is 13888 // not signed with the same cert as the caller. 13889 if (installerPackageSetting != null) { 13890 if (compareSignatures(callerSignature, 13891 installerPackageSetting.signatures.mSignatures) 13892 != PackageManager.SIGNATURE_MATCH) { 13893 throw new SecurityException( 13894 "Caller does not have same cert as new installer package " 13895 + installerPackageName); 13896 } 13897 } 13898 13899 // Verify: if target already has an installer package, it must 13900 // be signed with the same cert as the caller. 13901 if (targetPackageSetting.installerPackageName != null) { 13902 PackageSetting setting = mSettings.mPackages.get( 13903 targetPackageSetting.installerPackageName); 13904 // If the currently set package isn't valid, then it's always 13905 // okay to change it. 13906 if (setting != null) { 13907 if (compareSignatures(callerSignature, 13908 setting.signatures.mSignatures) 13909 != PackageManager.SIGNATURE_MATCH) { 13910 throw new SecurityException( 13911 "Caller does not have same cert as old installer package " 13912 + targetPackageSetting.installerPackageName); 13913 } 13914 } 13915 } 13916 13917 // Okay! 13918 targetPackageSetting.installerPackageName = installerPackageName; 13919 if (installerPackageName != null) { 13920 mSettings.mInstallerPackages.add(installerPackageName); 13921 } 13922 scheduleWriteSettingsLocked(); 13923 } 13924 } 13925 13926 @Override 13927 public void setApplicationCategoryHint(String packageName, int categoryHint, 13928 String callerPackageName) { 13929 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 13930 callerPackageName); 13931 synchronized (mPackages) { 13932 PackageSetting ps = mSettings.mPackages.get(packageName); 13933 if (ps == null) { 13934 throw new IllegalArgumentException("Unknown target package " + packageName); 13935 } 13936 13937 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 13938 throw new IllegalArgumentException("Calling package " + callerPackageName 13939 + " is not installer for " + packageName); 13940 } 13941 13942 if (ps.categoryHint != categoryHint) { 13943 ps.categoryHint = categoryHint; 13944 scheduleWriteSettingsLocked(); 13945 } 13946 } 13947 } 13948 13949 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 13950 // Queue up an async operation since the package installation may take a little while. 13951 mHandler.post(new Runnable() { 13952 public void run() { 13953 mHandler.removeCallbacks(this); 13954 // Result object to be returned 13955 PackageInstalledInfo res = new PackageInstalledInfo(); 13956 res.setReturnCode(currentStatus); 13957 res.uid = -1; 13958 res.pkg = null; 13959 res.removedInfo = null; 13960 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13961 args.doPreInstall(res.returnCode); 13962 synchronized (mInstallLock) { 13963 installPackageTracedLI(args, res); 13964 } 13965 args.doPostInstall(res.returnCode, res.uid); 13966 } 13967 13968 // A restore should be performed at this point if (a) the install 13969 // succeeded, (b) the operation is not an update, and (c) the new 13970 // package has not opted out of backup participation. 13971 final boolean update = res.removedInfo != null 13972 && res.removedInfo.removedPackage != null; 13973 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 13974 boolean doRestore = !update 13975 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 13976 13977 // Set up the post-install work request bookkeeping. This will be used 13978 // and cleaned up by the post-install event handling regardless of whether 13979 // there's a restore pass performed. Token values are >= 1. 13980 int token; 13981 if (mNextInstallToken < 0) mNextInstallToken = 1; 13982 token = mNextInstallToken++; 13983 13984 PostInstallData data = new PostInstallData(args, res); 13985 mRunningInstalls.put(token, data); 13986 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 13987 13988 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 13989 // Pass responsibility to the Backup Manager. It will perform a 13990 // restore if appropriate, then pass responsibility back to the 13991 // Package Manager to run the post-install observer callbacks 13992 // and broadcasts. 13993 IBackupManager bm = IBackupManager.Stub.asInterface( 13994 ServiceManager.getService(Context.BACKUP_SERVICE)); 13995 if (bm != null) { 13996 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 13997 + " to BM for possible restore"); 13998 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13999 try { 14000 // TODO: http://b/22388012 14001 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 14002 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 14003 } else { 14004 doRestore = false; 14005 } 14006 } catch (RemoteException e) { 14007 // can't happen; the backup manager is local 14008 } catch (Exception e) { 14009 Slog.e(TAG, "Exception trying to enqueue restore", e); 14010 doRestore = false; 14011 } 14012 } else { 14013 Slog.e(TAG, "Backup Manager not found!"); 14014 doRestore = false; 14015 } 14016 } 14017 14018 if (!doRestore) { 14019 // No restore possible, or the Backup Manager was mysteriously not 14020 // available -- just fire the post-install work request directly. 14021 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 14022 14023 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 14024 14025 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 14026 mHandler.sendMessage(msg); 14027 } 14028 } 14029 }); 14030 } 14031 14032 /** 14033 * Callback from PackageSettings whenever an app is first transitioned out of the 14034 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 14035 * the app was "launched" for a restoreAtInstall operation. Therefore we check 14036 * here whether the app is the target of an ongoing install, and only send the 14037 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 14038 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 14039 * handling. 14040 */ 14041 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 14042 // Serialize this with the rest of the install-process message chain. In the 14043 // restore-at-install case, this Runnable will necessarily run before the 14044 // POST_INSTALL message is processed, so the contents of mRunningInstalls 14045 // are coherent. In the non-restore case, the app has already completed install 14046 // and been launched through some other means, so it is not in a problematic 14047 // state for observers to see the FIRST_LAUNCH signal. 14048 mHandler.post(new Runnable() { 14049 @Override 14050 public void run() { 14051 for (int i = 0; i < mRunningInstalls.size(); i++) { 14052 final PostInstallData data = mRunningInstalls.valueAt(i); 14053 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14054 continue; 14055 } 14056 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 14057 // right package; but is it for the right user? 14058 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 14059 if (userId == data.res.newUsers[uIndex]) { 14060 if (DEBUG_BACKUP) { 14061 Slog.i(TAG, "Package " + pkgName 14062 + " being restored so deferring FIRST_LAUNCH"); 14063 } 14064 return; 14065 } 14066 } 14067 } 14068 } 14069 // didn't find it, so not being restored 14070 if (DEBUG_BACKUP) { 14071 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 14072 } 14073 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 14074 } 14075 }); 14076 } 14077 14078 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 14079 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 14080 installerPkg, null, userIds); 14081 } 14082 14083 private abstract class HandlerParams { 14084 private static final int MAX_RETRIES = 4; 14085 14086 /** 14087 * Number of times startCopy() has been attempted and had a non-fatal 14088 * error. 14089 */ 14090 private int mRetries = 0; 14091 14092 /** User handle for the user requesting the information or installation. */ 14093 private final UserHandle mUser; 14094 String traceMethod; 14095 int traceCookie; 14096 14097 HandlerParams(UserHandle user) { 14098 mUser = user; 14099 } 14100 14101 UserHandle getUser() { 14102 return mUser; 14103 } 14104 14105 HandlerParams setTraceMethod(String traceMethod) { 14106 this.traceMethod = traceMethod; 14107 return this; 14108 } 14109 14110 HandlerParams setTraceCookie(int traceCookie) { 14111 this.traceCookie = traceCookie; 14112 return this; 14113 } 14114 14115 final boolean startCopy() { 14116 boolean res; 14117 try { 14118 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 14119 14120 if (++mRetries > MAX_RETRIES) { 14121 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 14122 mHandler.sendEmptyMessage(MCS_GIVE_UP); 14123 handleServiceError(); 14124 return false; 14125 } else { 14126 handleStartCopy(); 14127 res = true; 14128 } 14129 } catch (RemoteException e) { 14130 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 14131 mHandler.sendEmptyMessage(MCS_RECONNECT); 14132 res = false; 14133 } 14134 handleReturnCode(); 14135 return res; 14136 } 14137 14138 final void serviceError() { 14139 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 14140 handleServiceError(); 14141 handleReturnCode(); 14142 } 14143 14144 abstract void handleStartCopy() throws RemoteException; 14145 abstract void handleServiceError(); 14146 abstract void handleReturnCode(); 14147 } 14148 14149 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 14150 for (File path : paths) { 14151 try { 14152 mcs.clearDirectory(path.getAbsolutePath()); 14153 } catch (RemoteException e) { 14154 } 14155 } 14156 } 14157 14158 static class OriginInfo { 14159 /** 14160 * Location where install is coming from, before it has been 14161 * copied/renamed into place. This could be a single monolithic APK 14162 * file, or a cluster directory. This location may be untrusted. 14163 */ 14164 final File file; 14165 final String cid; 14166 14167 /** 14168 * Flag indicating that {@link #file} or {@link #cid} has already been 14169 * staged, meaning downstream users don't need to defensively copy the 14170 * contents. 14171 */ 14172 final boolean staged; 14173 14174 /** 14175 * Flag indicating that {@link #file} or {@link #cid} is an already 14176 * installed app that is being moved. 14177 */ 14178 final boolean existing; 14179 14180 final String resolvedPath; 14181 final File resolvedFile; 14182 14183 static OriginInfo fromNothing() { 14184 return new OriginInfo(null, null, false, false); 14185 } 14186 14187 static OriginInfo fromUntrustedFile(File file) { 14188 return new OriginInfo(file, null, false, false); 14189 } 14190 14191 static OriginInfo fromExistingFile(File file) { 14192 return new OriginInfo(file, null, false, true); 14193 } 14194 14195 static OriginInfo fromStagedFile(File file) { 14196 return new OriginInfo(file, null, true, false); 14197 } 14198 14199 static OriginInfo fromStagedContainer(String cid) { 14200 return new OriginInfo(null, cid, true, false); 14201 } 14202 14203 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 14204 this.file = file; 14205 this.cid = cid; 14206 this.staged = staged; 14207 this.existing = existing; 14208 14209 if (cid != null) { 14210 resolvedPath = PackageHelper.getSdDir(cid); 14211 resolvedFile = new File(resolvedPath); 14212 } else if (file != null) { 14213 resolvedPath = file.getAbsolutePath(); 14214 resolvedFile = file; 14215 } else { 14216 resolvedPath = null; 14217 resolvedFile = null; 14218 } 14219 } 14220 } 14221 14222 static class MoveInfo { 14223 final int moveId; 14224 final String fromUuid; 14225 final String toUuid; 14226 final String packageName; 14227 final String dataAppName; 14228 final int appId; 14229 final String seinfo; 14230 final int targetSdkVersion; 14231 14232 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 14233 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 14234 this.moveId = moveId; 14235 this.fromUuid = fromUuid; 14236 this.toUuid = toUuid; 14237 this.packageName = packageName; 14238 this.dataAppName = dataAppName; 14239 this.appId = appId; 14240 this.seinfo = seinfo; 14241 this.targetSdkVersion = targetSdkVersion; 14242 } 14243 } 14244 14245 static class VerificationInfo { 14246 /** A constant used to indicate that a uid value is not present. */ 14247 public static final int NO_UID = -1; 14248 14249 /** URI referencing where the package was downloaded from. */ 14250 final Uri originatingUri; 14251 14252 /** HTTP referrer URI associated with the originatingURI. */ 14253 final Uri referrer; 14254 14255 /** UID of the application that the install request originated from. */ 14256 final int originatingUid; 14257 14258 /** UID of application requesting the install */ 14259 final int installerUid; 14260 14261 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 14262 this.originatingUri = originatingUri; 14263 this.referrer = referrer; 14264 this.originatingUid = originatingUid; 14265 this.installerUid = installerUid; 14266 } 14267 } 14268 14269 class InstallParams extends HandlerParams { 14270 final OriginInfo origin; 14271 final MoveInfo move; 14272 final IPackageInstallObserver2 observer; 14273 int installFlags; 14274 final String installerPackageName; 14275 final String volumeUuid; 14276 private InstallArgs mArgs; 14277 private int mRet; 14278 final String packageAbiOverride; 14279 final String[] grantedRuntimePermissions; 14280 final VerificationInfo verificationInfo; 14281 final Certificate[][] certificates; 14282 final int installReason; 14283 14284 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14285 int installFlags, String installerPackageName, String volumeUuid, 14286 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 14287 String[] grantedPermissions, Certificate[][] certificates, int installReason) { 14288 super(user); 14289 this.origin = origin; 14290 this.move = move; 14291 this.observer = observer; 14292 this.installFlags = installFlags; 14293 this.installerPackageName = installerPackageName; 14294 this.volumeUuid = volumeUuid; 14295 this.verificationInfo = verificationInfo; 14296 this.packageAbiOverride = packageAbiOverride; 14297 this.grantedRuntimePermissions = grantedPermissions; 14298 this.certificates = certificates; 14299 this.installReason = installReason; 14300 } 14301 14302 @Override 14303 public String toString() { 14304 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 14305 + " file=" + origin.file + " cid=" + origin.cid + "}"; 14306 } 14307 14308 private int installLocationPolicy(PackageInfoLite pkgLite) { 14309 String packageName = pkgLite.packageName; 14310 int installLocation = pkgLite.installLocation; 14311 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14312 // reader 14313 synchronized (mPackages) { 14314 // Currently installed package which the new package is attempting to replace or 14315 // null if no such package is installed. 14316 PackageParser.Package installedPkg = mPackages.get(packageName); 14317 // Package which currently owns the data which the new package will own if installed. 14318 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 14319 // will be null whereas dataOwnerPkg will contain information about the package 14320 // which was uninstalled while keeping its data. 14321 PackageParser.Package dataOwnerPkg = installedPkg; 14322 if (dataOwnerPkg == null) { 14323 PackageSetting ps = mSettings.mPackages.get(packageName); 14324 if (ps != null) { 14325 dataOwnerPkg = ps.pkg; 14326 } 14327 } 14328 14329 if (dataOwnerPkg != null) { 14330 // If installed, the package will get access to data left on the device by its 14331 // predecessor. As a security measure, this is permited only if this is not a 14332 // version downgrade or if the predecessor package is marked as debuggable and 14333 // a downgrade is explicitly requested. 14334 // 14335 // On debuggable platform builds, downgrades are permitted even for 14336 // non-debuggable packages to make testing easier. Debuggable platform builds do 14337 // not offer security guarantees and thus it's OK to disable some security 14338 // mechanisms to make debugging/testing easier on those builds. However, even on 14339 // debuggable builds downgrades of packages are permitted only if requested via 14340 // installFlags. This is because we aim to keep the behavior of debuggable 14341 // platform builds as close as possible to the behavior of non-debuggable 14342 // platform builds. 14343 final boolean downgradeRequested = 14344 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 14345 final boolean packageDebuggable = 14346 (dataOwnerPkg.applicationInfo.flags 14347 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 14348 final boolean downgradePermitted = 14349 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 14350 if (!downgradePermitted) { 14351 try { 14352 checkDowngrade(dataOwnerPkg, pkgLite); 14353 } catch (PackageManagerException e) { 14354 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 14355 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 14356 } 14357 } 14358 } 14359 14360 if (installedPkg != null) { 14361 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14362 // Check for updated system application. 14363 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 14364 if (onSd) { 14365 Slog.w(TAG, "Cannot install update to system app on sdcard"); 14366 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 14367 } 14368 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14369 } else { 14370 if (onSd) { 14371 // Install flag overrides everything. 14372 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14373 } 14374 // If current upgrade specifies particular preference 14375 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 14376 // Application explicitly specified internal. 14377 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14378 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 14379 // App explictly prefers external. Let policy decide 14380 } else { 14381 // Prefer previous location 14382 if (isExternal(installedPkg)) { 14383 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14384 } 14385 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14386 } 14387 } 14388 } else { 14389 // Invalid install. Return error code 14390 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 14391 } 14392 } 14393 } 14394 // All the special cases have been taken care of. 14395 // Return result based on recommended install location. 14396 if (onSd) { 14397 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14398 } 14399 return pkgLite.recommendedInstallLocation; 14400 } 14401 14402 /* 14403 * Invoke remote method to get package information and install 14404 * location values. Override install location based on default 14405 * policy if needed and then create install arguments based 14406 * on the install location. 14407 */ 14408 public void handleStartCopy() throws RemoteException { 14409 int ret = PackageManager.INSTALL_SUCCEEDED; 14410 14411 // If we're already staged, we've firmly committed to an install location 14412 if (origin.staged) { 14413 if (origin.file != null) { 14414 installFlags |= PackageManager.INSTALL_INTERNAL; 14415 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14416 } else if (origin.cid != null) { 14417 installFlags |= PackageManager.INSTALL_EXTERNAL; 14418 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14419 } else { 14420 throw new IllegalStateException("Invalid stage location"); 14421 } 14422 } 14423 14424 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14425 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 14426 final boolean ephemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14427 PackageInfoLite pkgLite = null; 14428 14429 if (onInt && onSd) { 14430 // Check if both bits are set. 14431 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 14432 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14433 } else if (onSd && ephemeral) { 14434 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 14435 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14436 } else { 14437 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 14438 packageAbiOverride); 14439 14440 if (DEBUG_EPHEMERAL && ephemeral) { 14441 Slog.v(TAG, "pkgLite for install: " + pkgLite); 14442 } 14443 14444 /* 14445 * If we have too little free space, try to free cache 14446 * before giving up. 14447 */ 14448 if (!origin.staged && pkgLite.recommendedInstallLocation 14449 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14450 // TODO: focus freeing disk space on the target device 14451 final StorageManager storage = StorageManager.from(mContext); 14452 final long lowThreshold = storage.getStorageLowBytes( 14453 Environment.getDataDirectory()); 14454 14455 final long sizeBytes = mContainerService.calculateInstalledSize( 14456 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 14457 14458 try { 14459 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0); 14460 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 14461 installFlags, packageAbiOverride); 14462 } catch (InstallerException e) { 14463 Slog.w(TAG, "Failed to free cache", e); 14464 } 14465 14466 /* 14467 * The cache free must have deleted the file we 14468 * downloaded to install. 14469 * 14470 * TODO: fix the "freeCache" call to not delete 14471 * the file we care about. 14472 */ 14473 if (pkgLite.recommendedInstallLocation 14474 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14475 pkgLite.recommendedInstallLocation 14476 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 14477 } 14478 } 14479 } 14480 14481 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14482 int loc = pkgLite.recommendedInstallLocation; 14483 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 14484 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14485 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 14486 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 14487 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14488 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14489 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 14490 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 14491 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14492 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 14493 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 14494 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 14495 } else { 14496 // Override with defaults if needed. 14497 loc = installLocationPolicy(pkgLite); 14498 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 14499 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 14500 } else if (!onSd && !onInt) { 14501 // Override install location with flags 14502 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 14503 // Set the flag to install on external media. 14504 installFlags |= PackageManager.INSTALL_EXTERNAL; 14505 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14506 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 14507 if (DEBUG_EPHEMERAL) { 14508 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 14509 } 14510 installFlags |= PackageManager.INSTALL_INSTANT_APP; 14511 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 14512 |PackageManager.INSTALL_INTERNAL); 14513 } else { 14514 // Make sure the flag for installing on external 14515 // media is unset 14516 installFlags |= PackageManager.INSTALL_INTERNAL; 14517 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14518 } 14519 } 14520 } 14521 } 14522 14523 final InstallArgs args = createInstallArgs(this); 14524 mArgs = args; 14525 14526 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14527 // TODO: http://b/22976637 14528 // Apps installed for "all" users use the device owner to verify the app 14529 UserHandle verifierUser = getUser(); 14530 if (verifierUser == UserHandle.ALL) { 14531 verifierUser = UserHandle.SYSTEM; 14532 } 14533 14534 /* 14535 * Determine if we have any installed package verifiers. If we 14536 * do, then we'll defer to them to verify the packages. 14537 */ 14538 final int requiredUid = mRequiredVerifierPackage == null ? -1 14539 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 14540 verifierUser.getIdentifier()); 14541 if (!origin.existing && requiredUid != -1 14542 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 14543 final Intent verification = new Intent( 14544 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 14545 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 14546 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 14547 PACKAGE_MIME_TYPE); 14548 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14549 14550 // Query all live verifiers based on current user state 14551 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 14552 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 14553 14554 if (DEBUG_VERIFY) { 14555 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 14556 + verification.toString() + " with " + pkgLite.verifiers.length 14557 + " optional verifiers"); 14558 } 14559 14560 final int verificationId = mPendingVerificationToken++; 14561 14562 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14563 14564 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 14565 installerPackageName); 14566 14567 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 14568 installFlags); 14569 14570 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 14571 pkgLite.packageName); 14572 14573 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 14574 pkgLite.versionCode); 14575 14576 if (verificationInfo != null) { 14577 if (verificationInfo.originatingUri != null) { 14578 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 14579 verificationInfo.originatingUri); 14580 } 14581 if (verificationInfo.referrer != null) { 14582 verification.putExtra(Intent.EXTRA_REFERRER, 14583 verificationInfo.referrer); 14584 } 14585 if (verificationInfo.originatingUid >= 0) { 14586 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 14587 verificationInfo.originatingUid); 14588 } 14589 if (verificationInfo.installerUid >= 0) { 14590 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 14591 verificationInfo.installerUid); 14592 } 14593 } 14594 14595 final PackageVerificationState verificationState = new PackageVerificationState( 14596 requiredUid, args); 14597 14598 mPendingVerification.append(verificationId, verificationState); 14599 14600 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 14601 receivers, verificationState); 14602 14603 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 14604 final long idleDuration = getVerificationTimeout(); 14605 14606 /* 14607 * If any sufficient verifiers were listed in the package 14608 * manifest, attempt to ask them. 14609 */ 14610 if (sufficientVerifiers != null) { 14611 final int N = sufficientVerifiers.size(); 14612 if (N == 0) { 14613 Slog.i(TAG, "Additional verifiers required, but none installed."); 14614 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 14615 } else { 14616 for (int i = 0; i < N; i++) { 14617 final ComponentName verifierComponent = sufficientVerifiers.get(i); 14618 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14619 verifierComponent.getPackageName(), idleDuration, 14620 verifierUser.getIdentifier(), false, "package verifier"); 14621 14622 final Intent sufficientIntent = new Intent(verification); 14623 sufficientIntent.setComponent(verifierComponent); 14624 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 14625 } 14626 } 14627 } 14628 14629 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 14630 mRequiredVerifierPackage, receivers); 14631 if (ret == PackageManager.INSTALL_SUCCEEDED 14632 && mRequiredVerifierPackage != null) { 14633 Trace.asyncTraceBegin( 14634 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 14635 /* 14636 * Send the intent to the required verification agent, 14637 * but only start the verification timeout after the 14638 * target BroadcastReceivers have run. 14639 */ 14640 verification.setComponent(requiredVerifierComponent); 14641 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14642 mRequiredVerifierPackage, idleDuration, 14643 verifierUser.getIdentifier(), false, "package verifier"); 14644 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 14645 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14646 new BroadcastReceiver() { 14647 @Override 14648 public void onReceive(Context context, Intent intent) { 14649 final Message msg = mHandler 14650 .obtainMessage(CHECK_PENDING_VERIFICATION); 14651 msg.arg1 = verificationId; 14652 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 14653 } 14654 }, null, 0, null, null); 14655 14656 /* 14657 * We don't want the copy to proceed until verification 14658 * succeeds, so null out this field. 14659 */ 14660 mArgs = null; 14661 } 14662 } else { 14663 /* 14664 * No package verification is enabled, so immediately start 14665 * the remote call to initiate copy using temporary file. 14666 */ 14667 ret = args.copyApk(mContainerService, true); 14668 } 14669 } 14670 14671 mRet = ret; 14672 } 14673 14674 @Override 14675 void handleReturnCode() { 14676 // If mArgs is null, then MCS couldn't be reached. When it 14677 // reconnects, it will try again to install. At that point, this 14678 // will succeed. 14679 if (mArgs != null) { 14680 processPendingInstall(mArgs, mRet); 14681 } 14682 } 14683 14684 @Override 14685 void handleServiceError() { 14686 mArgs = createInstallArgs(this); 14687 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14688 } 14689 14690 public boolean isForwardLocked() { 14691 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14692 } 14693 } 14694 14695 /** 14696 * Used during creation of InstallArgs 14697 * 14698 * @param installFlags package installation flags 14699 * @return true if should be installed on external storage 14700 */ 14701 private static boolean installOnExternalAsec(int installFlags) { 14702 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 14703 return false; 14704 } 14705 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 14706 return true; 14707 } 14708 return false; 14709 } 14710 14711 /** 14712 * Used during creation of InstallArgs 14713 * 14714 * @param installFlags package installation flags 14715 * @return true if should be installed as forward locked 14716 */ 14717 private static boolean installForwardLocked(int installFlags) { 14718 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14719 } 14720 14721 private InstallArgs createInstallArgs(InstallParams params) { 14722 if (params.move != null) { 14723 return new MoveInstallArgs(params); 14724 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 14725 return new AsecInstallArgs(params); 14726 } else { 14727 return new FileInstallArgs(params); 14728 } 14729 } 14730 14731 /** 14732 * Create args that describe an existing installed package. Typically used 14733 * when cleaning up old installs, or used as a move source. 14734 */ 14735 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 14736 String resourcePath, String[] instructionSets) { 14737 final boolean isInAsec; 14738 if (installOnExternalAsec(installFlags)) { 14739 /* Apps on SD card are always in ASEC containers. */ 14740 isInAsec = true; 14741 } else if (installForwardLocked(installFlags) 14742 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 14743 /* 14744 * Forward-locked apps are only in ASEC containers if they're the 14745 * new style 14746 */ 14747 isInAsec = true; 14748 } else { 14749 isInAsec = false; 14750 } 14751 14752 if (isInAsec) { 14753 return new AsecInstallArgs(codePath, instructionSets, 14754 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 14755 } else { 14756 return new FileInstallArgs(codePath, resourcePath, instructionSets); 14757 } 14758 } 14759 14760 static abstract class InstallArgs { 14761 /** @see InstallParams#origin */ 14762 final OriginInfo origin; 14763 /** @see InstallParams#move */ 14764 final MoveInfo move; 14765 14766 final IPackageInstallObserver2 observer; 14767 // Always refers to PackageManager flags only 14768 final int installFlags; 14769 final String installerPackageName; 14770 final String volumeUuid; 14771 final UserHandle user; 14772 final String abiOverride; 14773 final String[] installGrantPermissions; 14774 /** If non-null, drop an async trace when the install completes */ 14775 final String traceMethod; 14776 final int traceCookie; 14777 final Certificate[][] certificates; 14778 final int installReason; 14779 14780 // The list of instruction sets supported by this app. This is currently 14781 // only used during the rmdex() phase to clean up resources. We can get rid of this 14782 // if we move dex files under the common app path. 14783 /* nullable */ String[] instructionSets; 14784 14785 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14786 int installFlags, String installerPackageName, String volumeUuid, 14787 UserHandle user, String[] instructionSets, 14788 String abiOverride, String[] installGrantPermissions, 14789 String traceMethod, int traceCookie, Certificate[][] certificates, 14790 int installReason) { 14791 this.origin = origin; 14792 this.move = move; 14793 this.installFlags = installFlags; 14794 this.observer = observer; 14795 this.installerPackageName = installerPackageName; 14796 this.volumeUuid = volumeUuid; 14797 this.user = user; 14798 this.instructionSets = instructionSets; 14799 this.abiOverride = abiOverride; 14800 this.installGrantPermissions = installGrantPermissions; 14801 this.traceMethod = traceMethod; 14802 this.traceCookie = traceCookie; 14803 this.certificates = certificates; 14804 this.installReason = installReason; 14805 } 14806 14807 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 14808 abstract int doPreInstall(int status); 14809 14810 /** 14811 * Rename package into final resting place. All paths on the given 14812 * scanned package should be updated to reflect the rename. 14813 */ 14814 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 14815 abstract int doPostInstall(int status, int uid); 14816 14817 /** @see PackageSettingBase#codePathString */ 14818 abstract String getCodePath(); 14819 /** @see PackageSettingBase#resourcePathString */ 14820 abstract String getResourcePath(); 14821 14822 // Need installer lock especially for dex file removal. 14823 abstract void cleanUpResourcesLI(); 14824 abstract boolean doPostDeleteLI(boolean delete); 14825 14826 /** 14827 * Called before the source arguments are copied. This is used mostly 14828 * for MoveParams when it needs to read the source file to put it in the 14829 * destination. 14830 */ 14831 int doPreCopy() { 14832 return PackageManager.INSTALL_SUCCEEDED; 14833 } 14834 14835 /** 14836 * Called after the source arguments are copied. This is used mostly for 14837 * MoveParams when it needs to read the source file to put it in the 14838 * destination. 14839 */ 14840 int doPostCopy(int uid) { 14841 return PackageManager.INSTALL_SUCCEEDED; 14842 } 14843 14844 protected boolean isFwdLocked() { 14845 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14846 } 14847 14848 protected boolean isExternalAsec() { 14849 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14850 } 14851 14852 protected boolean isEphemeral() { 14853 return (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14854 } 14855 14856 UserHandle getUser() { 14857 return user; 14858 } 14859 } 14860 14861 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 14862 if (!allCodePaths.isEmpty()) { 14863 if (instructionSets == null) { 14864 throw new IllegalStateException("instructionSet == null"); 14865 } 14866 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 14867 for (String codePath : allCodePaths) { 14868 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 14869 try { 14870 mInstaller.rmdex(codePath, dexCodeInstructionSet); 14871 } catch (InstallerException ignored) { 14872 } 14873 } 14874 } 14875 } 14876 } 14877 14878 /** 14879 * Logic to handle installation of non-ASEC applications, including copying 14880 * and renaming logic. 14881 */ 14882 class FileInstallArgs extends InstallArgs { 14883 private File codeFile; 14884 private File resourceFile; 14885 14886 // Example topology: 14887 // /data/app/com.example/base.apk 14888 // /data/app/com.example/split_foo.apk 14889 // /data/app/com.example/lib/arm/libfoo.so 14890 // /data/app/com.example/lib/arm64/libfoo.so 14891 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 14892 14893 /** New install */ 14894 FileInstallArgs(InstallParams params) { 14895 super(params.origin, params.move, params.observer, params.installFlags, 14896 params.installerPackageName, params.volumeUuid, 14897 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 14898 params.grantedRuntimePermissions, 14899 params.traceMethod, params.traceCookie, params.certificates, 14900 params.installReason); 14901 if (isFwdLocked()) { 14902 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 14903 } 14904 } 14905 14906 /** Existing install */ 14907 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 14908 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 14909 null, null, null, 0, null /*certificates*/, 14910 PackageManager.INSTALL_REASON_UNKNOWN); 14911 this.codeFile = (codePath != null) ? new File(codePath) : null; 14912 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 14913 } 14914 14915 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14916 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 14917 try { 14918 return doCopyApk(imcs, temp); 14919 } finally { 14920 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14921 } 14922 } 14923 14924 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14925 if (origin.staged) { 14926 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 14927 codeFile = origin.file; 14928 resourceFile = origin.file; 14929 return PackageManager.INSTALL_SUCCEEDED; 14930 } 14931 14932 try { 14933 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14934 final File tempDir = 14935 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 14936 codeFile = tempDir; 14937 resourceFile = tempDir; 14938 } catch (IOException e) { 14939 Slog.w(TAG, "Failed to create copy file: " + e); 14940 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14941 } 14942 14943 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 14944 @Override 14945 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 14946 if (!FileUtils.isValidExtFilename(name)) { 14947 throw new IllegalArgumentException("Invalid filename: " + name); 14948 } 14949 try { 14950 final File file = new File(codeFile, name); 14951 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 14952 O_RDWR | O_CREAT, 0644); 14953 Os.chmod(file.getAbsolutePath(), 0644); 14954 return new ParcelFileDescriptor(fd); 14955 } catch (ErrnoException e) { 14956 throw new RemoteException("Failed to open: " + e.getMessage()); 14957 } 14958 } 14959 }; 14960 14961 int ret = PackageManager.INSTALL_SUCCEEDED; 14962 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 14963 if (ret != PackageManager.INSTALL_SUCCEEDED) { 14964 Slog.e(TAG, "Failed to copy package"); 14965 return ret; 14966 } 14967 14968 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 14969 NativeLibraryHelper.Handle handle = null; 14970 try { 14971 handle = NativeLibraryHelper.Handle.create(codeFile); 14972 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 14973 abiOverride); 14974 } catch (IOException e) { 14975 Slog.e(TAG, "Copying native libraries failed", e); 14976 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14977 } finally { 14978 IoUtils.closeQuietly(handle); 14979 } 14980 14981 return ret; 14982 } 14983 14984 int doPreInstall(int status) { 14985 if (status != PackageManager.INSTALL_SUCCEEDED) { 14986 cleanUp(); 14987 } 14988 return status; 14989 } 14990 14991 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14992 if (status != PackageManager.INSTALL_SUCCEEDED) { 14993 cleanUp(); 14994 return false; 14995 } 14996 14997 final File targetDir = codeFile.getParentFile(); 14998 final File beforeCodeFile = codeFile; 14999 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 15000 15001 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 15002 try { 15003 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 15004 } catch (ErrnoException e) { 15005 Slog.w(TAG, "Failed to rename", e); 15006 return false; 15007 } 15008 15009 if (!SELinux.restoreconRecursive(afterCodeFile)) { 15010 Slog.w(TAG, "Failed to restorecon"); 15011 return false; 15012 } 15013 15014 // Reflect the rename internally 15015 codeFile = afterCodeFile; 15016 resourceFile = afterCodeFile; 15017 15018 // Reflect the rename in scanned details 15019 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15020 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15021 afterCodeFile, pkg.baseCodePath)); 15022 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15023 afterCodeFile, pkg.splitCodePaths)); 15024 15025 // Reflect the rename in app info 15026 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15027 pkg.setApplicationInfoCodePath(pkg.codePath); 15028 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15029 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15030 pkg.setApplicationInfoResourcePath(pkg.codePath); 15031 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15032 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15033 15034 return true; 15035 } 15036 15037 int doPostInstall(int status, int uid) { 15038 if (status != PackageManager.INSTALL_SUCCEEDED) { 15039 cleanUp(); 15040 } 15041 return status; 15042 } 15043 15044 @Override 15045 String getCodePath() { 15046 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15047 } 15048 15049 @Override 15050 String getResourcePath() { 15051 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15052 } 15053 15054 private boolean cleanUp() { 15055 if (codeFile == null || !codeFile.exists()) { 15056 return false; 15057 } 15058 15059 removeCodePathLI(codeFile); 15060 15061 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 15062 resourceFile.delete(); 15063 } 15064 15065 return true; 15066 } 15067 15068 void cleanUpResourcesLI() { 15069 // Try enumerating all code paths before deleting 15070 List<String> allCodePaths = Collections.EMPTY_LIST; 15071 if (codeFile != null && codeFile.exists()) { 15072 try { 15073 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15074 allCodePaths = pkg.getAllCodePaths(); 15075 } catch (PackageParserException e) { 15076 // Ignored; we tried our best 15077 } 15078 } 15079 15080 cleanUp(); 15081 removeDexFiles(allCodePaths, instructionSets); 15082 } 15083 15084 boolean doPostDeleteLI(boolean delete) { 15085 // XXX err, shouldn't we respect the delete flag? 15086 cleanUpResourcesLI(); 15087 return true; 15088 } 15089 } 15090 15091 private boolean isAsecExternal(String cid) { 15092 final String asecPath = PackageHelper.getSdFilesystem(cid); 15093 return !asecPath.startsWith(mAsecInternalPath); 15094 } 15095 15096 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 15097 PackageManagerException { 15098 if (copyRet < 0) { 15099 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 15100 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 15101 throw new PackageManagerException(copyRet, message); 15102 } 15103 } 15104 } 15105 15106 /** 15107 * Extract the StorageManagerService "container ID" from the full code path of an 15108 * .apk. 15109 */ 15110 static String cidFromCodePath(String fullCodePath) { 15111 int eidx = fullCodePath.lastIndexOf("/"); 15112 String subStr1 = fullCodePath.substring(0, eidx); 15113 int sidx = subStr1.lastIndexOf("/"); 15114 return subStr1.substring(sidx+1, eidx); 15115 } 15116 15117 /** 15118 * Logic to handle installation of ASEC applications, including copying and 15119 * renaming logic. 15120 */ 15121 class AsecInstallArgs extends InstallArgs { 15122 static final String RES_FILE_NAME = "pkg.apk"; 15123 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 15124 15125 String cid; 15126 String packagePath; 15127 String resourcePath; 15128 15129 /** New install */ 15130 AsecInstallArgs(InstallParams params) { 15131 super(params.origin, params.move, params.observer, params.installFlags, 15132 params.installerPackageName, params.volumeUuid, 15133 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15134 params.grantedRuntimePermissions, 15135 params.traceMethod, params.traceCookie, params.certificates, 15136 params.installReason); 15137 } 15138 15139 /** Existing install */ 15140 AsecInstallArgs(String fullCodePath, String[] instructionSets, 15141 boolean isExternal, boolean isForwardLocked) { 15142 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 15143 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15144 instructionSets, null, null, null, 0, null /*certificates*/, 15145 PackageManager.INSTALL_REASON_UNKNOWN); 15146 // Hackily pretend we're still looking at a full code path 15147 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 15148 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 15149 } 15150 15151 // Extract cid from fullCodePath 15152 int eidx = fullCodePath.lastIndexOf("/"); 15153 String subStr1 = fullCodePath.substring(0, eidx); 15154 int sidx = subStr1.lastIndexOf("/"); 15155 cid = subStr1.substring(sidx+1, eidx); 15156 setMountPath(subStr1); 15157 } 15158 15159 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 15160 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 15161 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15162 instructionSets, null, null, null, 0, null /*certificates*/, 15163 PackageManager.INSTALL_REASON_UNKNOWN); 15164 this.cid = cid; 15165 setMountPath(PackageHelper.getSdDir(cid)); 15166 } 15167 15168 void createCopyFile() { 15169 cid = mInstallerService.allocateExternalStageCidLegacy(); 15170 } 15171 15172 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15173 if (origin.staged && origin.cid != null) { 15174 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 15175 cid = origin.cid; 15176 setMountPath(PackageHelper.getSdDir(cid)); 15177 return PackageManager.INSTALL_SUCCEEDED; 15178 } 15179 15180 if (temp) { 15181 createCopyFile(); 15182 } else { 15183 /* 15184 * Pre-emptively destroy the container since it's destroyed if 15185 * copying fails due to it existing anyway. 15186 */ 15187 PackageHelper.destroySdDir(cid); 15188 } 15189 15190 final String newMountPath = imcs.copyPackageToContainer( 15191 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 15192 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 15193 15194 if (newMountPath != null) { 15195 setMountPath(newMountPath); 15196 return PackageManager.INSTALL_SUCCEEDED; 15197 } else { 15198 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15199 } 15200 } 15201 15202 @Override 15203 String getCodePath() { 15204 return packagePath; 15205 } 15206 15207 @Override 15208 String getResourcePath() { 15209 return resourcePath; 15210 } 15211 15212 int doPreInstall(int status) { 15213 if (status != PackageManager.INSTALL_SUCCEEDED) { 15214 // Destroy container 15215 PackageHelper.destroySdDir(cid); 15216 } else { 15217 boolean mounted = PackageHelper.isContainerMounted(cid); 15218 if (!mounted) { 15219 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 15220 Process.SYSTEM_UID); 15221 if (newMountPath != null) { 15222 setMountPath(newMountPath); 15223 } else { 15224 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15225 } 15226 } 15227 } 15228 return status; 15229 } 15230 15231 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15232 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 15233 String newMountPath = null; 15234 if (PackageHelper.isContainerMounted(cid)) { 15235 // Unmount the container 15236 if (!PackageHelper.unMountSdDir(cid)) { 15237 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 15238 return false; 15239 } 15240 } 15241 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15242 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 15243 " which might be stale. Will try to clean up."); 15244 // Clean up the stale container and proceed to recreate. 15245 if (!PackageHelper.destroySdDir(newCacheId)) { 15246 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 15247 return false; 15248 } 15249 // Successfully cleaned up stale container. Try to rename again. 15250 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15251 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 15252 + " inspite of cleaning it up."); 15253 return false; 15254 } 15255 } 15256 if (!PackageHelper.isContainerMounted(newCacheId)) { 15257 Slog.w(TAG, "Mounting container " + newCacheId); 15258 newMountPath = PackageHelper.mountSdDir(newCacheId, 15259 getEncryptKey(), Process.SYSTEM_UID); 15260 } else { 15261 newMountPath = PackageHelper.getSdDir(newCacheId); 15262 } 15263 if (newMountPath == null) { 15264 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 15265 return false; 15266 } 15267 Log.i(TAG, "Succesfully renamed " + cid + 15268 " to " + newCacheId + 15269 " at new path: " + newMountPath); 15270 cid = newCacheId; 15271 15272 final File beforeCodeFile = new File(packagePath); 15273 setMountPath(newMountPath); 15274 final File afterCodeFile = new File(packagePath); 15275 15276 // Reflect the rename in scanned details 15277 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15278 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15279 afterCodeFile, pkg.baseCodePath)); 15280 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15281 afterCodeFile, pkg.splitCodePaths)); 15282 15283 // Reflect the rename in app info 15284 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15285 pkg.setApplicationInfoCodePath(pkg.codePath); 15286 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15287 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15288 pkg.setApplicationInfoResourcePath(pkg.codePath); 15289 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15290 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15291 15292 return true; 15293 } 15294 15295 private void setMountPath(String mountPath) { 15296 final File mountFile = new File(mountPath); 15297 15298 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 15299 if (monolithicFile.exists()) { 15300 packagePath = monolithicFile.getAbsolutePath(); 15301 if (isFwdLocked()) { 15302 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 15303 } else { 15304 resourcePath = packagePath; 15305 } 15306 } else { 15307 packagePath = mountFile.getAbsolutePath(); 15308 resourcePath = packagePath; 15309 } 15310 } 15311 15312 int doPostInstall(int status, int uid) { 15313 if (status != PackageManager.INSTALL_SUCCEEDED) { 15314 cleanUp(); 15315 } else { 15316 final int groupOwner; 15317 final String protectedFile; 15318 if (isFwdLocked()) { 15319 groupOwner = UserHandle.getSharedAppGid(uid); 15320 protectedFile = RES_FILE_NAME; 15321 } else { 15322 groupOwner = -1; 15323 protectedFile = null; 15324 } 15325 15326 if (uid < Process.FIRST_APPLICATION_UID 15327 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 15328 Slog.e(TAG, "Failed to finalize " + cid); 15329 PackageHelper.destroySdDir(cid); 15330 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15331 } 15332 15333 boolean mounted = PackageHelper.isContainerMounted(cid); 15334 if (!mounted) { 15335 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 15336 } 15337 } 15338 return status; 15339 } 15340 15341 private void cleanUp() { 15342 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 15343 15344 // Destroy secure container 15345 PackageHelper.destroySdDir(cid); 15346 } 15347 15348 private List<String> getAllCodePaths() { 15349 final File codeFile = new File(getCodePath()); 15350 if (codeFile != null && codeFile.exists()) { 15351 try { 15352 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15353 return pkg.getAllCodePaths(); 15354 } catch (PackageParserException e) { 15355 // Ignored; we tried our best 15356 } 15357 } 15358 return Collections.EMPTY_LIST; 15359 } 15360 15361 void cleanUpResourcesLI() { 15362 // Enumerate all code paths before deleting 15363 cleanUpResourcesLI(getAllCodePaths()); 15364 } 15365 15366 private void cleanUpResourcesLI(List<String> allCodePaths) { 15367 cleanUp(); 15368 removeDexFiles(allCodePaths, instructionSets); 15369 } 15370 15371 String getPackageName() { 15372 return getAsecPackageName(cid); 15373 } 15374 15375 boolean doPostDeleteLI(boolean delete) { 15376 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 15377 final List<String> allCodePaths = getAllCodePaths(); 15378 boolean mounted = PackageHelper.isContainerMounted(cid); 15379 if (mounted) { 15380 // Unmount first 15381 if (PackageHelper.unMountSdDir(cid)) { 15382 mounted = false; 15383 } 15384 } 15385 if (!mounted && delete) { 15386 cleanUpResourcesLI(allCodePaths); 15387 } 15388 return !mounted; 15389 } 15390 15391 @Override 15392 int doPreCopy() { 15393 if (isFwdLocked()) { 15394 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 15395 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 15396 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15397 } 15398 } 15399 15400 return PackageManager.INSTALL_SUCCEEDED; 15401 } 15402 15403 @Override 15404 int doPostCopy(int uid) { 15405 if (isFwdLocked()) { 15406 if (uid < Process.FIRST_APPLICATION_UID 15407 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 15408 RES_FILE_NAME)) { 15409 Slog.e(TAG, "Failed to finalize " + cid); 15410 PackageHelper.destroySdDir(cid); 15411 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15412 } 15413 } 15414 15415 return PackageManager.INSTALL_SUCCEEDED; 15416 } 15417 } 15418 15419 /** 15420 * Logic to handle movement of existing installed applications. 15421 */ 15422 class MoveInstallArgs extends InstallArgs { 15423 private File codeFile; 15424 private File resourceFile; 15425 15426 /** New install */ 15427 MoveInstallArgs(InstallParams params) { 15428 super(params.origin, params.move, params.observer, params.installFlags, 15429 params.installerPackageName, params.volumeUuid, 15430 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15431 params.grantedRuntimePermissions, 15432 params.traceMethod, params.traceCookie, params.certificates, 15433 params.installReason); 15434 } 15435 15436 int copyApk(IMediaContainerService imcs, boolean temp) { 15437 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 15438 + move.fromUuid + " to " + move.toUuid); 15439 synchronized (mInstaller) { 15440 try { 15441 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 15442 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 15443 } catch (InstallerException e) { 15444 Slog.w(TAG, "Failed to move app", e); 15445 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15446 } 15447 } 15448 15449 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 15450 resourceFile = codeFile; 15451 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 15452 15453 return PackageManager.INSTALL_SUCCEEDED; 15454 } 15455 15456 int doPreInstall(int status) { 15457 if (status != PackageManager.INSTALL_SUCCEEDED) { 15458 cleanUp(move.toUuid); 15459 } 15460 return status; 15461 } 15462 15463 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15464 if (status != PackageManager.INSTALL_SUCCEEDED) { 15465 cleanUp(move.toUuid); 15466 return false; 15467 } 15468 15469 // Reflect the move in app info 15470 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15471 pkg.setApplicationInfoCodePath(pkg.codePath); 15472 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15473 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15474 pkg.setApplicationInfoResourcePath(pkg.codePath); 15475 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15476 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15477 15478 return true; 15479 } 15480 15481 int doPostInstall(int status, int uid) { 15482 if (status == PackageManager.INSTALL_SUCCEEDED) { 15483 cleanUp(move.fromUuid); 15484 } else { 15485 cleanUp(move.toUuid); 15486 } 15487 return status; 15488 } 15489 15490 @Override 15491 String getCodePath() { 15492 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15493 } 15494 15495 @Override 15496 String getResourcePath() { 15497 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15498 } 15499 15500 private boolean cleanUp(String volumeUuid) { 15501 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 15502 move.dataAppName); 15503 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 15504 final int[] userIds = sUserManager.getUserIds(); 15505 synchronized (mInstallLock) { 15506 // Clean up both app data and code 15507 // All package moves are frozen until finished 15508 for (int userId : userIds) { 15509 try { 15510 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 15511 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 15512 } catch (InstallerException e) { 15513 Slog.w(TAG, String.valueOf(e)); 15514 } 15515 } 15516 removeCodePathLI(codeFile); 15517 } 15518 return true; 15519 } 15520 15521 void cleanUpResourcesLI() { 15522 throw new UnsupportedOperationException(); 15523 } 15524 15525 boolean doPostDeleteLI(boolean delete) { 15526 throw new UnsupportedOperationException(); 15527 } 15528 } 15529 15530 static String getAsecPackageName(String packageCid) { 15531 int idx = packageCid.lastIndexOf("-"); 15532 if (idx == -1) { 15533 return packageCid; 15534 } 15535 return packageCid.substring(0, idx); 15536 } 15537 15538 // Utility method used to create code paths based on package name and available index. 15539 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 15540 String idxStr = ""; 15541 int idx = 1; 15542 // Fall back to default value of idx=1 if prefix is not 15543 // part of oldCodePath 15544 if (oldCodePath != null) { 15545 String subStr = oldCodePath; 15546 // Drop the suffix right away 15547 if (suffix != null && subStr.endsWith(suffix)) { 15548 subStr = subStr.substring(0, subStr.length() - suffix.length()); 15549 } 15550 // If oldCodePath already contains prefix find out the 15551 // ending index to either increment or decrement. 15552 int sidx = subStr.lastIndexOf(prefix); 15553 if (sidx != -1) { 15554 subStr = subStr.substring(sidx + prefix.length()); 15555 if (subStr != null) { 15556 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 15557 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 15558 } 15559 try { 15560 idx = Integer.parseInt(subStr); 15561 if (idx <= 1) { 15562 idx++; 15563 } else { 15564 idx--; 15565 } 15566 } catch(NumberFormatException e) { 15567 } 15568 } 15569 } 15570 } 15571 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 15572 return prefix + idxStr; 15573 } 15574 15575 private File getNextCodePath(File targetDir, String packageName) { 15576 File result; 15577 SecureRandom random = new SecureRandom(); 15578 byte[] bytes = new byte[16]; 15579 do { 15580 random.nextBytes(bytes); 15581 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 15582 result = new File(targetDir, packageName + "-" + suffix); 15583 } while (result.exists()); 15584 return result; 15585 } 15586 15587 // Utility method that returns the relative package path with respect 15588 // to the installation directory. Like say for /data/data/com.test-1.apk 15589 // string com.test-1 is returned. 15590 static String deriveCodePathName(String codePath) { 15591 if (codePath == null) { 15592 return null; 15593 } 15594 final File codeFile = new File(codePath); 15595 final String name = codeFile.getName(); 15596 if (codeFile.isDirectory()) { 15597 return name; 15598 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 15599 final int lastDot = name.lastIndexOf('.'); 15600 return name.substring(0, lastDot); 15601 } else { 15602 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 15603 return null; 15604 } 15605 } 15606 15607 static class PackageInstalledInfo { 15608 String name; 15609 int uid; 15610 // The set of users that originally had this package installed. 15611 int[] origUsers; 15612 // The set of users that now have this package installed. 15613 int[] newUsers; 15614 PackageParser.Package pkg; 15615 int returnCode; 15616 String returnMsg; 15617 PackageRemovedInfo removedInfo; 15618 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 15619 15620 public void setError(int code, String msg) { 15621 setReturnCode(code); 15622 setReturnMessage(msg); 15623 Slog.w(TAG, msg); 15624 } 15625 15626 public void setError(String msg, PackageParserException e) { 15627 setReturnCode(e.error); 15628 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15629 Slog.w(TAG, msg, e); 15630 } 15631 15632 public void setError(String msg, PackageManagerException e) { 15633 returnCode = e.error; 15634 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15635 Slog.w(TAG, msg, e); 15636 } 15637 15638 public void setReturnCode(int returnCode) { 15639 this.returnCode = returnCode; 15640 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15641 for (int i = 0; i < childCount; i++) { 15642 addedChildPackages.valueAt(i).returnCode = returnCode; 15643 } 15644 } 15645 15646 private void setReturnMessage(String returnMsg) { 15647 this.returnMsg = returnMsg; 15648 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15649 for (int i = 0; i < childCount; i++) { 15650 addedChildPackages.valueAt(i).returnMsg = returnMsg; 15651 } 15652 } 15653 15654 // In some error cases we want to convey more info back to the observer 15655 String origPackage; 15656 String origPermission; 15657 } 15658 15659 /* 15660 * Install a non-existing package. 15661 */ 15662 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 15663 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 15664 PackageInstalledInfo res, int installReason) { 15665 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 15666 15667 // Remember this for later, in case we need to rollback this install 15668 String pkgName = pkg.packageName; 15669 15670 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 15671 15672 synchronized(mPackages) { 15673 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 15674 if (renamedPackage != null) { 15675 // A package with the same name is already installed, though 15676 // it has been renamed to an older name. The package we 15677 // are trying to install should be installed as an update to 15678 // the existing one, but that has not been requested, so bail. 15679 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15680 + " without first uninstalling package running as " 15681 + renamedPackage); 15682 return; 15683 } 15684 if (mPackages.containsKey(pkgName)) { 15685 // Don't allow installation over an existing package with the same name. 15686 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15687 + " without first uninstalling."); 15688 return; 15689 } 15690 } 15691 15692 try { 15693 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 15694 System.currentTimeMillis(), user); 15695 15696 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 15697 15698 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15699 prepareAppDataAfterInstallLIF(newPackage); 15700 15701 } else { 15702 // Remove package from internal structures, but keep around any 15703 // data that might have already existed 15704 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 15705 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 15706 } 15707 } catch (PackageManagerException e) { 15708 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15709 } 15710 15711 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15712 } 15713 15714 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 15715 // Can't rotate keys during boot or if sharedUser. 15716 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 15717 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 15718 return false; 15719 } 15720 // app is using upgradeKeySets; make sure all are valid 15721 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15722 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 15723 for (int i = 0; i < upgradeKeySets.length; i++) { 15724 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 15725 Slog.wtf(TAG, "Package " 15726 + (oldPs.name != null ? oldPs.name : "<null>") 15727 + " contains upgrade-key-set reference to unknown key-set: " 15728 + upgradeKeySets[i] 15729 + " reverting to signatures check."); 15730 return false; 15731 } 15732 } 15733 return true; 15734 } 15735 15736 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 15737 // Upgrade keysets are being used. Determine if new package has a superset of the 15738 // required keys. 15739 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 15740 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15741 for (int i = 0; i < upgradeKeySets.length; i++) { 15742 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 15743 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 15744 return true; 15745 } 15746 } 15747 return false; 15748 } 15749 15750 private static void updateDigest(MessageDigest digest, File file) throws IOException { 15751 try (DigestInputStream digestStream = 15752 new DigestInputStream(new FileInputStream(file), digest)) { 15753 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 15754 } 15755 } 15756 15757 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 15758 UserHandle user, String installerPackageName, PackageInstalledInfo res, 15759 int installReason) { 15760 final boolean isInstantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 15761 15762 final PackageParser.Package oldPackage; 15763 final String pkgName = pkg.packageName; 15764 final int[] allUsers; 15765 final int[] installedUsers; 15766 15767 synchronized(mPackages) { 15768 oldPackage = mPackages.get(pkgName); 15769 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 15770 15771 // don't allow upgrade to target a release SDK from a pre-release SDK 15772 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 15773 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15774 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 15775 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15776 if (oldTargetsPreRelease 15777 && !newTargetsPreRelease 15778 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 15779 Slog.w(TAG, "Can't install package targeting released sdk"); 15780 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 15781 return; 15782 } 15783 15784 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15785 15786 // verify signatures are valid 15787 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15788 if (!checkUpgradeKeySetLP(ps, pkg)) { 15789 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15790 "New package not signed by keys specified by upgrade-keysets: " 15791 + pkgName); 15792 return; 15793 } 15794 } else { 15795 // default to original signature matching 15796 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 15797 != PackageManager.SIGNATURE_MATCH) { 15798 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15799 "New package has a different signature: " + pkgName); 15800 return; 15801 } 15802 } 15803 15804 // don't allow a system upgrade unless the upgrade hash matches 15805 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 15806 byte[] digestBytes = null; 15807 try { 15808 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 15809 updateDigest(digest, new File(pkg.baseCodePath)); 15810 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 15811 for (String path : pkg.splitCodePaths) { 15812 updateDigest(digest, new File(path)); 15813 } 15814 } 15815 digestBytes = digest.digest(); 15816 } catch (NoSuchAlgorithmException | IOException e) { 15817 res.setError(INSTALL_FAILED_INVALID_APK, 15818 "Could not compute hash: " + pkgName); 15819 return; 15820 } 15821 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 15822 res.setError(INSTALL_FAILED_INVALID_APK, 15823 "New package fails restrict-update check: " + pkgName); 15824 return; 15825 } 15826 // retain upgrade restriction 15827 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 15828 } 15829 15830 // Check for shared user id changes 15831 String invalidPackageName = 15832 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 15833 if (invalidPackageName != null) { 15834 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 15835 "Package " + invalidPackageName + " tried to change user " 15836 + oldPackage.mSharedUserId); 15837 return; 15838 } 15839 15840 // In case of rollback, remember per-user/profile install state 15841 allUsers = sUserManager.getUserIds(); 15842 installedUsers = ps.queryInstalledUsers(allUsers, true); 15843 15844 // don't allow an upgrade from full to ephemeral 15845 if (isInstantApp) { 15846 if (user == null || user.getIdentifier() == UserHandle.USER_ALL) { 15847 for (int currentUser : allUsers) { 15848 if (!ps.getInstantApp(currentUser)) { 15849 // can't downgrade from full to instant 15850 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 15851 + " for user: " + currentUser); 15852 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15853 return; 15854 } 15855 } 15856 } else if (!ps.getInstantApp(user.getIdentifier())) { 15857 // can't downgrade from full to instant 15858 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 15859 + " for user: " + user.getIdentifier()); 15860 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15861 return; 15862 } 15863 } 15864 } 15865 15866 // Update what is removed 15867 res.removedInfo = new PackageRemovedInfo(); 15868 res.removedInfo.uid = oldPackage.applicationInfo.uid; 15869 res.removedInfo.removedPackage = oldPackage.packageName; 15870 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 15871 res.removedInfo.isUpdate = true; 15872 res.removedInfo.origUsers = installedUsers; 15873 final PackageSetting ps = mSettings.getPackageLPr(pkgName); 15874 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 15875 for (int i = 0; i < installedUsers.length; i++) { 15876 final int userId = installedUsers[i]; 15877 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 15878 } 15879 15880 final int childCount = (oldPackage.childPackages != null) 15881 ? oldPackage.childPackages.size() : 0; 15882 for (int i = 0; i < childCount; i++) { 15883 boolean childPackageUpdated = false; 15884 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 15885 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15886 if (res.addedChildPackages != null) { 15887 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15888 if (childRes != null) { 15889 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 15890 childRes.removedInfo.removedPackage = childPkg.packageName; 15891 childRes.removedInfo.isUpdate = true; 15892 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 15893 childPackageUpdated = true; 15894 } 15895 } 15896 if (!childPackageUpdated) { 15897 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 15898 childRemovedRes.removedPackage = childPkg.packageName; 15899 childRemovedRes.isUpdate = false; 15900 childRemovedRes.dataRemoved = true; 15901 synchronized (mPackages) { 15902 if (childPs != null) { 15903 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 15904 } 15905 } 15906 if (res.removedInfo.removedChildPackages == null) { 15907 res.removedInfo.removedChildPackages = new ArrayMap<>(); 15908 } 15909 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 15910 } 15911 } 15912 15913 boolean sysPkg = (isSystemApp(oldPackage)); 15914 if (sysPkg) { 15915 // Set the system/privileged flags as needed 15916 final boolean privileged = 15917 (oldPackage.applicationInfo.privateFlags 15918 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15919 final int systemPolicyFlags = policyFlags 15920 | PackageParser.PARSE_IS_SYSTEM 15921 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 15922 15923 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 15924 user, allUsers, installerPackageName, res, installReason); 15925 } else { 15926 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 15927 user, allUsers, installerPackageName, res, installReason); 15928 } 15929 } 15930 15931 public List<String> getPreviousCodePaths(String packageName) { 15932 final PackageSetting ps = mSettings.mPackages.get(packageName); 15933 final List<String> result = new ArrayList<String>(); 15934 if (ps != null && ps.oldCodePaths != null) { 15935 result.addAll(ps.oldCodePaths); 15936 } 15937 return result; 15938 } 15939 15940 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 15941 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 15942 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 15943 int installReason) { 15944 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 15945 + deletedPackage); 15946 15947 String pkgName = deletedPackage.packageName; 15948 boolean deletedPkg = true; 15949 boolean addedPkg = false; 15950 boolean updatedSettings = false; 15951 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 15952 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 15953 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 15954 15955 final long origUpdateTime = (pkg.mExtras != null) 15956 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 15957 15958 // First delete the existing package while retaining the data directory 15959 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15960 res.removedInfo, true, pkg)) { 15961 // If the existing package wasn't successfully deleted 15962 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 15963 deletedPkg = false; 15964 } else { 15965 // Successfully deleted the old package; proceed with replace. 15966 15967 // If deleted package lived in a container, give users a chance to 15968 // relinquish resources before killing. 15969 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 15970 if (DEBUG_INSTALL) { 15971 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 15972 } 15973 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 15974 final ArrayList<String> pkgList = new ArrayList<String>(1); 15975 pkgList.add(deletedPackage.applicationInfo.packageName); 15976 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 15977 } 15978 15979 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 15980 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 15981 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 15982 15983 try { 15984 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 15985 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 15986 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 15987 installReason); 15988 15989 // Update the in-memory copy of the previous code paths. 15990 PackageSetting ps = mSettings.mPackages.get(pkgName); 15991 if (!killApp) { 15992 if (ps.oldCodePaths == null) { 15993 ps.oldCodePaths = new ArraySet<>(); 15994 } 15995 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 15996 if (deletedPackage.splitCodePaths != null) { 15997 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 15998 } 15999 } else { 16000 ps.oldCodePaths = null; 16001 } 16002 if (ps.childPackageNames != null) { 16003 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 16004 final String childPkgName = ps.childPackageNames.get(i); 16005 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 16006 childPs.oldCodePaths = ps.oldCodePaths; 16007 } 16008 } 16009 // set instant app status, but, only if it's explicitly specified 16010 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 16011 final boolean fullApp = (scanFlags & SCAN_AS_FULL_APP) != 0; 16012 setInstantAppForUser(ps, user.getIdentifier(), instantApp, fullApp); 16013 prepareAppDataAfterInstallLIF(newPackage); 16014 addedPkg = true; 16015 mDexManager.notifyPackageUpdated(newPackage.packageName, 16016 newPackage.baseCodePath, newPackage.splitCodePaths); 16017 } catch (PackageManagerException e) { 16018 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16019 } 16020 } 16021 16022 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16023 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 16024 16025 // Revert all internal state mutations and added folders for the failed install 16026 if (addedPkg) { 16027 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16028 res.removedInfo, true, null); 16029 } 16030 16031 // Restore the old package 16032 if (deletedPkg) { 16033 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 16034 File restoreFile = new File(deletedPackage.codePath); 16035 // Parse old package 16036 boolean oldExternal = isExternal(deletedPackage); 16037 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 16038 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 16039 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 16040 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 16041 try { 16042 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 16043 null); 16044 } catch (PackageManagerException e) { 16045 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 16046 + e.getMessage()); 16047 return; 16048 } 16049 16050 synchronized (mPackages) { 16051 // Ensure the installer package name up to date 16052 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16053 16054 // Update permissions for restored package 16055 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16056 16057 mSettings.writeLPr(); 16058 } 16059 16060 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 16061 } 16062 } else { 16063 synchronized (mPackages) { 16064 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 16065 if (ps != null) { 16066 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16067 if (res.removedInfo.removedChildPackages != null) { 16068 final int childCount = res.removedInfo.removedChildPackages.size(); 16069 // Iterate in reverse as we may modify the collection 16070 for (int i = childCount - 1; i >= 0; i--) { 16071 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 16072 if (res.addedChildPackages.containsKey(childPackageName)) { 16073 res.removedInfo.removedChildPackages.removeAt(i); 16074 } else { 16075 PackageRemovedInfo childInfo = res.removedInfo 16076 .removedChildPackages.valueAt(i); 16077 childInfo.removedForAllUsers = mPackages.get( 16078 childInfo.removedPackage) == null; 16079 } 16080 } 16081 } 16082 } 16083 } 16084 } 16085 } 16086 16087 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 16088 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 16089 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16090 int installReason) { 16091 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 16092 + ", old=" + deletedPackage); 16093 16094 final boolean disabledSystem; 16095 16096 // Remove existing system package 16097 removePackageLI(deletedPackage, true); 16098 16099 synchronized (mPackages) { 16100 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 16101 } 16102 if (!disabledSystem) { 16103 // We didn't need to disable the .apk as a current system package, 16104 // which means we are replacing another update that is already 16105 // installed. We need to make sure to delete the older one's .apk. 16106 res.removedInfo.args = createInstallArgsForExisting(0, 16107 deletedPackage.applicationInfo.getCodePath(), 16108 deletedPackage.applicationInfo.getResourcePath(), 16109 getAppDexInstructionSets(deletedPackage.applicationInfo)); 16110 } else { 16111 res.removedInfo.args = null; 16112 } 16113 16114 // Successfully disabled the old package. Now proceed with re-installation 16115 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16116 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16117 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16118 16119 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16120 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 16121 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 16122 16123 PackageParser.Package newPackage = null; 16124 try { 16125 // Add the package to the internal data structures 16126 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 16127 16128 // Set the update and install times 16129 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 16130 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 16131 System.currentTimeMillis()); 16132 16133 // Update the package dynamic state if succeeded 16134 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16135 // Now that the install succeeded make sure we remove data 16136 // directories for any child package the update removed. 16137 final int deletedChildCount = (deletedPackage.childPackages != null) 16138 ? deletedPackage.childPackages.size() : 0; 16139 final int newChildCount = (newPackage.childPackages != null) 16140 ? newPackage.childPackages.size() : 0; 16141 for (int i = 0; i < deletedChildCount; i++) { 16142 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 16143 boolean childPackageDeleted = true; 16144 for (int j = 0; j < newChildCount; j++) { 16145 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 16146 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 16147 childPackageDeleted = false; 16148 break; 16149 } 16150 } 16151 if (childPackageDeleted) { 16152 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 16153 deletedChildPkg.packageName); 16154 if (ps != null && res.removedInfo.removedChildPackages != null) { 16155 PackageRemovedInfo removedChildRes = res.removedInfo 16156 .removedChildPackages.get(deletedChildPkg.packageName); 16157 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 16158 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 16159 } 16160 } 16161 } 16162 16163 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16164 installReason); 16165 prepareAppDataAfterInstallLIF(newPackage); 16166 16167 mDexManager.notifyPackageUpdated(newPackage.packageName, 16168 newPackage.baseCodePath, newPackage.splitCodePaths); 16169 } 16170 } catch (PackageManagerException e) { 16171 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 16172 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16173 } 16174 16175 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16176 // Re installation failed. Restore old information 16177 // Remove new pkg information 16178 if (newPackage != null) { 16179 removeInstalledPackageLI(newPackage, true); 16180 } 16181 // Add back the old system package 16182 try { 16183 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 16184 } catch (PackageManagerException e) { 16185 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 16186 } 16187 16188 synchronized (mPackages) { 16189 if (disabledSystem) { 16190 enableSystemPackageLPw(deletedPackage); 16191 } 16192 16193 // Ensure the installer package name up to date 16194 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16195 16196 // Update permissions for restored package 16197 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16198 16199 mSettings.writeLPr(); 16200 } 16201 16202 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 16203 + " after failed upgrade"); 16204 } 16205 } 16206 16207 /** 16208 * Checks whether the parent or any of the child packages have a change shared 16209 * user. For a package to be a valid update the shred users of the parent and 16210 * the children should match. We may later support changing child shared users. 16211 * @param oldPkg The updated package. 16212 * @param newPkg The update package. 16213 * @return The shared user that change between the versions. 16214 */ 16215 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 16216 PackageParser.Package newPkg) { 16217 // Check parent shared user 16218 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 16219 return newPkg.packageName; 16220 } 16221 // Check child shared users 16222 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16223 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 16224 for (int i = 0; i < newChildCount; i++) { 16225 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 16226 // If this child was present, did it have the same shared user? 16227 for (int j = 0; j < oldChildCount; j++) { 16228 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 16229 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 16230 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 16231 return newChildPkg.packageName; 16232 } 16233 } 16234 } 16235 return null; 16236 } 16237 16238 private void removeNativeBinariesLI(PackageSetting ps) { 16239 // Remove the lib path for the parent package 16240 if (ps != null) { 16241 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 16242 // Remove the lib path for the child packages 16243 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16244 for (int i = 0; i < childCount; i++) { 16245 PackageSetting childPs = null; 16246 synchronized (mPackages) { 16247 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16248 } 16249 if (childPs != null) { 16250 NativeLibraryHelper.removeNativeBinariesLI(childPs 16251 .legacyNativeLibraryPathString); 16252 } 16253 } 16254 } 16255 } 16256 16257 private void enableSystemPackageLPw(PackageParser.Package pkg) { 16258 // Enable the parent package 16259 mSettings.enableSystemPackageLPw(pkg.packageName); 16260 // Enable the child packages 16261 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16262 for (int i = 0; i < childCount; i++) { 16263 PackageParser.Package childPkg = pkg.childPackages.get(i); 16264 mSettings.enableSystemPackageLPw(childPkg.packageName); 16265 } 16266 } 16267 16268 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 16269 PackageParser.Package newPkg) { 16270 // Disable the parent package (parent always replaced) 16271 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 16272 // Disable the child packages 16273 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16274 for (int i = 0; i < childCount; i++) { 16275 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 16276 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 16277 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 16278 } 16279 return disabled; 16280 } 16281 16282 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 16283 String installerPackageName) { 16284 // Enable the parent package 16285 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 16286 // Enable the child packages 16287 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16288 for (int i = 0; i < childCount; i++) { 16289 PackageParser.Package childPkg = pkg.childPackages.get(i); 16290 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 16291 } 16292 } 16293 16294 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 16295 // Collect all used permissions in the UID 16296 ArraySet<String> usedPermissions = new ArraySet<>(); 16297 final int packageCount = su.packages.size(); 16298 for (int i = 0; i < packageCount; i++) { 16299 PackageSetting ps = su.packages.valueAt(i); 16300 if (ps.pkg == null) { 16301 continue; 16302 } 16303 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 16304 for (int j = 0; j < requestedPermCount; j++) { 16305 String permission = ps.pkg.requestedPermissions.get(j); 16306 BasePermission bp = mSettings.mPermissions.get(permission); 16307 if (bp != null) { 16308 usedPermissions.add(permission); 16309 } 16310 } 16311 } 16312 16313 PermissionsState permissionsState = su.getPermissionsState(); 16314 // Prune install permissions 16315 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 16316 final int installPermCount = installPermStates.size(); 16317 for (int i = installPermCount - 1; i >= 0; i--) { 16318 PermissionState permissionState = installPermStates.get(i); 16319 if (!usedPermissions.contains(permissionState.getName())) { 16320 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16321 if (bp != null) { 16322 permissionsState.revokeInstallPermission(bp); 16323 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 16324 PackageManager.MASK_PERMISSION_FLAGS, 0); 16325 } 16326 } 16327 } 16328 16329 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 16330 16331 // Prune runtime permissions 16332 for (int userId : allUserIds) { 16333 List<PermissionState> runtimePermStates = permissionsState 16334 .getRuntimePermissionStates(userId); 16335 final int runtimePermCount = runtimePermStates.size(); 16336 for (int i = runtimePermCount - 1; i >= 0; i--) { 16337 PermissionState permissionState = runtimePermStates.get(i); 16338 if (!usedPermissions.contains(permissionState.getName())) { 16339 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16340 if (bp != null) { 16341 permissionsState.revokeRuntimePermission(bp, userId); 16342 permissionsState.updatePermissionFlags(bp, userId, 16343 PackageManager.MASK_PERMISSION_FLAGS, 0); 16344 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 16345 runtimePermissionChangedUserIds, userId); 16346 } 16347 } 16348 } 16349 } 16350 16351 return runtimePermissionChangedUserIds; 16352 } 16353 16354 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 16355 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 16356 // Update the parent package setting 16357 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 16358 res, user, installReason); 16359 // Update the child packages setting 16360 final int childCount = (newPackage.childPackages != null) 16361 ? newPackage.childPackages.size() : 0; 16362 for (int i = 0; i < childCount; i++) { 16363 PackageParser.Package childPackage = newPackage.childPackages.get(i); 16364 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 16365 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 16366 childRes.origUsers, childRes, user, installReason); 16367 } 16368 } 16369 16370 private void updateSettingsInternalLI(PackageParser.Package newPackage, 16371 String installerPackageName, int[] allUsers, int[] installedForUsers, 16372 PackageInstalledInfo res, UserHandle user, int installReason) { 16373 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 16374 16375 String pkgName = newPackage.packageName; 16376 synchronized (mPackages) { 16377 //write settings. the installStatus will be incomplete at this stage. 16378 //note that the new package setting would have already been 16379 //added to mPackages. It hasn't been persisted yet. 16380 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 16381 // TODO: Remove this write? It's also written at the end of this method 16382 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16383 mSettings.writeLPr(); 16384 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16385 } 16386 16387 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 16388 synchronized (mPackages) { 16389 updatePermissionsLPw(newPackage.packageName, newPackage, 16390 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 16391 ? UPDATE_PERMISSIONS_ALL : 0)); 16392 // For system-bundled packages, we assume that installing an upgraded version 16393 // of the package implies that the user actually wants to run that new code, 16394 // so we enable the package. 16395 PackageSetting ps = mSettings.mPackages.get(pkgName); 16396 final int userId = user.getIdentifier(); 16397 if (ps != null) { 16398 if (isSystemApp(newPackage)) { 16399 if (DEBUG_INSTALL) { 16400 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 16401 } 16402 // Enable system package for requested users 16403 if (res.origUsers != null) { 16404 for (int origUserId : res.origUsers) { 16405 if (userId == UserHandle.USER_ALL || userId == origUserId) { 16406 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 16407 origUserId, installerPackageName); 16408 } 16409 } 16410 } 16411 // Also convey the prior install/uninstall state 16412 if (allUsers != null && installedForUsers != null) { 16413 for (int currentUserId : allUsers) { 16414 final boolean installed = ArrayUtils.contains( 16415 installedForUsers, currentUserId); 16416 if (DEBUG_INSTALL) { 16417 Slog.d(TAG, " user " + currentUserId + " => " + installed); 16418 } 16419 ps.setInstalled(installed, currentUserId); 16420 } 16421 // these install state changes will be persisted in the 16422 // upcoming call to mSettings.writeLPr(). 16423 } 16424 } 16425 // It's implied that when a user requests installation, they want the app to be 16426 // installed and enabled. 16427 if (userId != UserHandle.USER_ALL) { 16428 ps.setInstalled(true, userId); 16429 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 16430 } 16431 16432 // When replacing an existing package, preserve the original install reason for all 16433 // users that had the package installed before. 16434 final Set<Integer> previousUserIds = new ArraySet<>(); 16435 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 16436 final int installReasonCount = res.removedInfo.installReasons.size(); 16437 for (int i = 0; i < installReasonCount; i++) { 16438 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 16439 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 16440 ps.setInstallReason(previousInstallReason, previousUserId); 16441 previousUserIds.add(previousUserId); 16442 } 16443 } 16444 16445 // Set install reason for users that are having the package newly installed. 16446 if (userId == UserHandle.USER_ALL) { 16447 for (int currentUserId : sUserManager.getUserIds()) { 16448 if (!previousUserIds.contains(currentUserId)) { 16449 ps.setInstallReason(installReason, currentUserId); 16450 } 16451 } 16452 } else if (!previousUserIds.contains(userId)) { 16453 ps.setInstallReason(installReason, userId); 16454 } 16455 mSettings.writeKernelMappingLPr(ps); 16456 } 16457 res.name = pkgName; 16458 res.uid = newPackage.applicationInfo.uid; 16459 res.pkg = newPackage; 16460 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 16461 mSettings.setInstallerPackageName(pkgName, installerPackageName); 16462 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16463 //to update install status 16464 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16465 mSettings.writeLPr(); 16466 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16467 } 16468 16469 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16470 } 16471 16472 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 16473 try { 16474 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 16475 installPackageLI(args, res); 16476 } finally { 16477 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16478 } 16479 } 16480 16481 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 16482 final int installFlags = args.installFlags; 16483 final String installerPackageName = args.installerPackageName; 16484 final String volumeUuid = args.volumeUuid; 16485 final File tmpPackageFile = new File(args.getCodePath()); 16486 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 16487 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 16488 || (args.volumeUuid != null)); 16489 final boolean instantApp = ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0); 16490 final boolean fullApp = ((installFlags & PackageManager.INSTALL_FULL_APP) != 0); 16491 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 16492 boolean replace = false; 16493 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 16494 if (args.move != null) { 16495 // moving a complete application; perform an initial scan on the new install location 16496 scanFlags |= SCAN_INITIAL; 16497 } 16498 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 16499 scanFlags |= SCAN_DONT_KILL_APP; 16500 } 16501 if (instantApp) { 16502 scanFlags |= SCAN_AS_INSTANT_APP; 16503 } 16504 if (fullApp) { 16505 scanFlags |= SCAN_AS_FULL_APP; 16506 } 16507 16508 // Result object to be returned 16509 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16510 16511 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 16512 16513 // Sanity check 16514 if (instantApp && (forwardLocked || onExternal)) { 16515 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 16516 + " external=" + onExternal); 16517 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16518 return; 16519 } 16520 16521 // Retrieve PackageSettings and parse package 16522 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 16523 | PackageParser.PARSE_ENFORCE_CODE 16524 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 16525 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 16526 | (instantApp ? PackageParser.PARSE_IS_EPHEMERAL : 0) 16527 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 16528 PackageParser pp = new PackageParser(); 16529 pp.setSeparateProcesses(mSeparateProcesses); 16530 pp.setDisplayMetrics(mMetrics); 16531 pp.setCallback(mPackageParserCallback); 16532 16533 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 16534 final PackageParser.Package pkg; 16535 try { 16536 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 16537 } catch (PackageParserException e) { 16538 res.setError("Failed parse during installPackageLI", e); 16539 return; 16540 } finally { 16541 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16542 } 16543 16544 // Instant apps must have target SDK >= O and have targetSanboxVersion >= 2 16545 if (instantApp && pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.N_MR1) { 16546 Slog.w(TAG, "Instant app package " + pkg.packageName 16547 + " does not target O, this will be a fatal error."); 16548 // STOPSHIP: Make this a fatal error 16549 pkg.applicationInfo.targetSdkVersion = Build.VERSION_CODES.O; 16550 } 16551 if (instantApp && pkg.applicationInfo.targetSandboxVersion != 2) { 16552 Slog.w(TAG, "Instant app package " + pkg.packageName 16553 + " does not target targetSandboxVersion 2, this will be a fatal error."); 16554 // STOPSHIP: Make this a fatal error 16555 pkg.applicationInfo.targetSandboxVersion = 2; 16556 } 16557 16558 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16559 // Static shared libraries have synthetic package names 16560 renameStaticSharedLibraryPackage(pkg); 16561 16562 // No static shared libs on external storage 16563 if (onExternal) { 16564 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 16565 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16566 "Packages declaring static-shared libs cannot be updated"); 16567 return; 16568 } 16569 } 16570 16571 // If we are installing a clustered package add results for the children 16572 if (pkg.childPackages != null) { 16573 synchronized (mPackages) { 16574 final int childCount = pkg.childPackages.size(); 16575 for (int i = 0; i < childCount; i++) { 16576 PackageParser.Package childPkg = pkg.childPackages.get(i); 16577 PackageInstalledInfo childRes = new PackageInstalledInfo(); 16578 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16579 childRes.pkg = childPkg; 16580 childRes.name = childPkg.packageName; 16581 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16582 if (childPs != null) { 16583 childRes.origUsers = childPs.queryInstalledUsers( 16584 sUserManager.getUserIds(), true); 16585 } 16586 if ((mPackages.containsKey(childPkg.packageName))) { 16587 childRes.removedInfo = new PackageRemovedInfo(); 16588 childRes.removedInfo.removedPackage = childPkg.packageName; 16589 } 16590 if (res.addedChildPackages == null) { 16591 res.addedChildPackages = new ArrayMap<>(); 16592 } 16593 res.addedChildPackages.put(childPkg.packageName, childRes); 16594 } 16595 } 16596 } 16597 16598 // If package doesn't declare API override, mark that we have an install 16599 // time CPU ABI override. 16600 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 16601 pkg.cpuAbiOverride = args.abiOverride; 16602 } 16603 16604 String pkgName = res.name = pkg.packageName; 16605 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 16606 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 16607 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 16608 return; 16609 } 16610 } 16611 16612 try { 16613 // either use what we've been given or parse directly from the APK 16614 if (args.certificates != null) { 16615 try { 16616 PackageParser.populateCertificates(pkg, args.certificates); 16617 } catch (PackageParserException e) { 16618 // there was something wrong with the certificates we were given; 16619 // try to pull them from the APK 16620 PackageParser.collectCertificates(pkg, parseFlags); 16621 } 16622 } else { 16623 PackageParser.collectCertificates(pkg, parseFlags); 16624 } 16625 } catch (PackageParserException e) { 16626 res.setError("Failed collect during installPackageLI", e); 16627 return; 16628 } 16629 16630 // Get rid of all references to package scan path via parser. 16631 pp = null; 16632 String oldCodePath = null; 16633 boolean systemApp = false; 16634 synchronized (mPackages) { 16635 // Check if installing already existing package 16636 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 16637 String oldName = mSettings.getRenamedPackageLPr(pkgName); 16638 if (pkg.mOriginalPackages != null 16639 && pkg.mOriginalPackages.contains(oldName) 16640 && mPackages.containsKey(oldName)) { 16641 // This package is derived from an original package, 16642 // and this device has been updating from that original 16643 // name. We must continue using the original name, so 16644 // rename the new package here. 16645 pkg.setPackageName(oldName); 16646 pkgName = pkg.packageName; 16647 replace = true; 16648 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 16649 + oldName + " pkgName=" + pkgName); 16650 } else if (mPackages.containsKey(pkgName)) { 16651 // This package, under its official name, already exists 16652 // on the device; we should replace it. 16653 replace = true; 16654 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 16655 } 16656 16657 // Child packages are installed through the parent package 16658 if (pkg.parentPackage != null) { 16659 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16660 "Package " + pkg.packageName + " is child of package " 16661 + pkg.parentPackage.parentPackage + ". Child packages " 16662 + "can be updated only through the parent package."); 16663 return; 16664 } 16665 16666 if (replace) { 16667 // Prevent apps opting out from runtime permissions 16668 PackageParser.Package oldPackage = mPackages.get(pkgName); 16669 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 16670 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 16671 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 16672 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 16673 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 16674 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 16675 + " doesn't support runtime permissions but the old" 16676 + " target SDK " + oldTargetSdk + " does."); 16677 return; 16678 } 16679 // Prevent apps from downgrading their targetSandbox. 16680 final int oldTargetSandbox = oldPackage.applicationInfo.targetSandboxVersion; 16681 final int newTargetSandbox = pkg.applicationInfo.targetSandboxVersion; 16682 if (oldTargetSandbox == 2 && newTargetSandbox != 2) { 16683 res.setError(PackageManager.INSTALL_FAILED_SANDBOX_VERSION_DOWNGRADE, 16684 "Package " + pkg.packageName + " new target sandbox " 16685 + newTargetSandbox + " is incompatible with the previous value of" 16686 + oldTargetSandbox + "."); 16687 return; 16688 } 16689 16690 // Prevent installing of child packages 16691 if (oldPackage.parentPackage != null) { 16692 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16693 "Package " + pkg.packageName + " is child of package " 16694 + oldPackage.parentPackage + ". Child packages " 16695 + "can be updated only through the parent package."); 16696 return; 16697 } 16698 } 16699 } 16700 16701 PackageSetting ps = mSettings.mPackages.get(pkgName); 16702 if (ps != null) { 16703 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 16704 16705 // Static shared libs have same package with different versions where 16706 // we internally use a synthetic package name to allow multiple versions 16707 // of the same package, therefore we need to compare signatures against 16708 // the package setting for the latest library version. 16709 PackageSetting signatureCheckPs = ps; 16710 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16711 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 16712 if (libraryEntry != null) { 16713 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 16714 } 16715 } 16716 16717 // Quick sanity check that we're signed correctly if updating; 16718 // we'll check this again later when scanning, but we want to 16719 // bail early here before tripping over redefined permissions. 16720 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 16721 if (!checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 16722 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 16723 + pkg.packageName + " upgrade keys do not match the " 16724 + "previously installed version"); 16725 return; 16726 } 16727 } else { 16728 try { 16729 verifySignaturesLP(signatureCheckPs, pkg); 16730 } catch (PackageManagerException e) { 16731 res.setError(e.error, e.getMessage()); 16732 return; 16733 } 16734 } 16735 16736 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 16737 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 16738 systemApp = (ps.pkg.applicationInfo.flags & 16739 ApplicationInfo.FLAG_SYSTEM) != 0; 16740 } 16741 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16742 } 16743 16744 int N = pkg.permissions.size(); 16745 for (int i = N-1; i >= 0; i--) { 16746 PackageParser.Permission perm = pkg.permissions.get(i); 16747 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 16748 16749 // Don't allow anyone but the platform to define ephemeral permissions. 16750 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_FLAG_EPHEMERAL) != 0 16751 && !PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16752 Slog.w(TAG, "Package " + pkg.packageName 16753 + " attempting to delcare ephemeral permission " 16754 + perm.info.name + "; Removing ephemeral."); 16755 perm.info.protectionLevel &= ~PermissionInfo.PROTECTION_FLAG_EPHEMERAL; 16756 } 16757 // Check whether the newly-scanned package wants to define an already-defined perm 16758 if (bp != null) { 16759 // If the defining package is signed with our cert, it's okay. This 16760 // also includes the "updating the same package" case, of course. 16761 // "updating same package" could also involve key-rotation. 16762 final boolean sigsOk; 16763 if (bp.sourcePackage.equals(pkg.packageName) 16764 && (bp.packageSetting instanceof PackageSetting) 16765 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 16766 scanFlags))) { 16767 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 16768 } else { 16769 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 16770 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 16771 } 16772 if (!sigsOk) { 16773 // If the owning package is the system itself, we log but allow 16774 // install to proceed; we fail the install on all other permission 16775 // redefinitions. 16776 if (!bp.sourcePackage.equals("android")) { 16777 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 16778 + pkg.packageName + " attempting to redeclare permission " 16779 + perm.info.name + " already owned by " + bp.sourcePackage); 16780 res.origPermission = perm.info.name; 16781 res.origPackage = bp.sourcePackage; 16782 return; 16783 } else { 16784 Slog.w(TAG, "Package " + pkg.packageName 16785 + " attempting to redeclare system permission " 16786 + perm.info.name + "; ignoring new declaration"); 16787 pkg.permissions.remove(i); 16788 } 16789 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16790 // Prevent apps to change protection level to dangerous from any other 16791 // type as this would allow a privilege escalation where an app adds a 16792 // normal/signature permission in other app's group and later redefines 16793 // it as dangerous leading to the group auto-grant. 16794 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 16795 == PermissionInfo.PROTECTION_DANGEROUS) { 16796 if (bp != null && !bp.isRuntime()) { 16797 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 16798 + "non-runtime permission " + perm.info.name 16799 + " to runtime; keeping old protection level"); 16800 perm.info.protectionLevel = bp.protectionLevel; 16801 } 16802 } 16803 } 16804 } 16805 } 16806 } 16807 16808 if (systemApp) { 16809 if (onExternal) { 16810 // Abort update; system app can't be replaced with app on sdcard 16811 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16812 "Cannot install updates to system apps on sdcard"); 16813 return; 16814 } else if (instantApp) { 16815 // Abort update; system app can't be replaced with an instant app 16816 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16817 "Cannot update a system app with an instant app"); 16818 return; 16819 } 16820 } 16821 16822 if (args.move != null) { 16823 // We did an in-place move, so dex is ready to roll 16824 scanFlags |= SCAN_NO_DEX; 16825 scanFlags |= SCAN_MOVE; 16826 16827 synchronized (mPackages) { 16828 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16829 if (ps == null) { 16830 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 16831 "Missing settings for moved package " + pkgName); 16832 } 16833 16834 // We moved the entire application as-is, so bring over the 16835 // previously derived ABI information. 16836 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 16837 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 16838 } 16839 16840 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 16841 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 16842 scanFlags |= SCAN_NO_DEX; 16843 16844 try { 16845 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 16846 args.abiOverride : pkg.cpuAbiOverride); 16847 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 16848 true /*extractLibs*/, mAppLib32InstallDir); 16849 } catch (PackageManagerException pme) { 16850 Slog.e(TAG, "Error deriving application ABI", pme); 16851 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 16852 return; 16853 } 16854 16855 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 16856 // Do not run PackageDexOptimizer through the local performDexOpt 16857 // method because `pkg` may not be in `mPackages` yet. 16858 // 16859 // Also, don't fail application installs if the dexopt step fails. 16860 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 16861 null /* instructionSets */, false /* checkProfiles */, 16862 getCompilerFilterForReason(REASON_INSTALL), 16863 getOrCreateCompilerPackageStats(pkg), 16864 mDexManager.isUsedByOtherApps(pkg.packageName)); 16865 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16866 16867 // Notify BackgroundDexOptService that the package has been changed. 16868 // If this is an update of a package which used to fail to compile, 16869 // BDOS will remove it from its blacklist. 16870 // TODO: Layering violation 16871 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 16872 } 16873 16874 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 16875 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 16876 return; 16877 } 16878 16879 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 16880 16881 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 16882 "installPackageLI")) { 16883 if (replace) { 16884 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16885 // Static libs have a synthetic package name containing the version 16886 // and cannot be updated as an update would get a new package name, 16887 // unless this is the exact same version code which is useful for 16888 // development. 16889 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 16890 if (existingPkg != null && existingPkg.mVersionCode != pkg.mVersionCode) { 16891 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 16892 + "static-shared libs cannot be updated"); 16893 return; 16894 } 16895 } 16896 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 16897 installerPackageName, res, args.installReason); 16898 } else { 16899 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 16900 args.user, installerPackageName, volumeUuid, res, args.installReason); 16901 } 16902 } 16903 synchronized (mPackages) { 16904 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16905 if (ps != null) { 16906 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16907 ps.setUpdateAvailable(false /*updateAvailable*/); 16908 } 16909 16910 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16911 for (int i = 0; i < childCount; i++) { 16912 PackageParser.Package childPkg = pkg.childPackages.get(i); 16913 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16914 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16915 if (childPs != null) { 16916 childRes.newUsers = childPs.queryInstalledUsers( 16917 sUserManager.getUserIds(), true); 16918 } 16919 } 16920 16921 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16922 updateSequenceNumberLP(pkgName, res.newUsers); 16923 updateInstantAppInstallerLocked(); 16924 } 16925 } 16926 } 16927 16928 private void startIntentFilterVerifications(int userId, boolean replacing, 16929 PackageParser.Package pkg) { 16930 if (mIntentFilterVerifierComponent == null) { 16931 Slog.w(TAG, "No IntentFilter verification will not be done as " 16932 + "there is no IntentFilterVerifier available!"); 16933 return; 16934 } 16935 16936 final int verifierUid = getPackageUid( 16937 mIntentFilterVerifierComponent.getPackageName(), 16938 MATCH_DEBUG_TRIAGED_MISSING, 16939 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 16940 16941 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16942 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 16943 mHandler.sendMessage(msg); 16944 16945 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16946 for (int i = 0; i < childCount; i++) { 16947 PackageParser.Package childPkg = pkg.childPackages.get(i); 16948 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16949 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 16950 mHandler.sendMessage(msg); 16951 } 16952 } 16953 16954 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 16955 PackageParser.Package pkg) { 16956 int size = pkg.activities.size(); 16957 if (size == 0) { 16958 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16959 "No activity, so no need to verify any IntentFilter!"); 16960 return; 16961 } 16962 16963 final boolean hasDomainURLs = hasDomainURLs(pkg); 16964 if (!hasDomainURLs) { 16965 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16966 "No domain URLs, so no need to verify any IntentFilter!"); 16967 return; 16968 } 16969 16970 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 16971 + " if any IntentFilter from the " + size 16972 + " Activities needs verification ..."); 16973 16974 int count = 0; 16975 final String packageName = pkg.packageName; 16976 16977 synchronized (mPackages) { 16978 // If this is a new install and we see that we've already run verification for this 16979 // package, we have nothing to do: it means the state was restored from backup. 16980 if (!replacing) { 16981 IntentFilterVerificationInfo ivi = 16982 mSettings.getIntentFilterVerificationLPr(packageName); 16983 if (ivi != null) { 16984 if (DEBUG_DOMAIN_VERIFICATION) { 16985 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 16986 + ivi.getStatusString()); 16987 } 16988 return; 16989 } 16990 } 16991 16992 // If any filters need to be verified, then all need to be. 16993 boolean needToVerify = false; 16994 for (PackageParser.Activity a : pkg.activities) { 16995 for (ActivityIntentInfo filter : a.intents) { 16996 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 16997 if (DEBUG_DOMAIN_VERIFICATION) { 16998 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 16999 } 17000 needToVerify = true; 17001 break; 17002 } 17003 } 17004 } 17005 17006 if (needToVerify) { 17007 final int verificationId = mIntentFilterVerificationToken++; 17008 for (PackageParser.Activity a : pkg.activities) { 17009 for (ActivityIntentInfo filter : a.intents) { 17010 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 17011 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17012 "Verification needed for IntentFilter:" + filter.toString()); 17013 mIntentFilterVerifier.addOneIntentFilterVerification( 17014 verifierUid, userId, verificationId, filter, packageName); 17015 count++; 17016 } 17017 } 17018 } 17019 } 17020 } 17021 17022 if (count > 0) { 17023 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 17024 + " IntentFilter verification" + (count > 1 ? "s" : "") 17025 + " for userId:" + userId); 17026 mIntentFilterVerifier.startVerifications(userId); 17027 } else { 17028 if (DEBUG_DOMAIN_VERIFICATION) { 17029 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 17030 } 17031 } 17032 } 17033 17034 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 17035 final ComponentName cn = filter.activity.getComponentName(); 17036 final String packageName = cn.getPackageName(); 17037 17038 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 17039 packageName); 17040 if (ivi == null) { 17041 return true; 17042 } 17043 int status = ivi.getStatus(); 17044 switch (status) { 17045 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 17046 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 17047 return true; 17048 17049 default: 17050 // Nothing to do 17051 return false; 17052 } 17053 } 17054 17055 private static boolean isMultiArch(ApplicationInfo info) { 17056 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 17057 } 17058 17059 private static boolean isExternal(PackageParser.Package pkg) { 17060 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17061 } 17062 17063 private static boolean isExternal(PackageSetting ps) { 17064 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17065 } 17066 17067 private static boolean isSystemApp(PackageParser.Package pkg) { 17068 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 17069 } 17070 17071 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 17072 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 17073 } 17074 17075 private static boolean hasDomainURLs(PackageParser.Package pkg) { 17076 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 17077 } 17078 17079 private static boolean isSystemApp(PackageSetting ps) { 17080 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 17081 } 17082 17083 private static boolean isUpdatedSystemApp(PackageSetting ps) { 17084 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 17085 } 17086 17087 private int packageFlagsToInstallFlags(PackageSetting ps) { 17088 int installFlags = 0; 17089 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 17090 // This existing package was an external ASEC install when we have 17091 // the external flag without a UUID 17092 installFlags |= PackageManager.INSTALL_EXTERNAL; 17093 } 17094 if (ps.isForwardLocked()) { 17095 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 17096 } 17097 return installFlags; 17098 } 17099 17100 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 17101 if (isExternal(pkg)) { 17102 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17103 return StorageManager.UUID_PRIMARY_PHYSICAL; 17104 } else { 17105 return pkg.volumeUuid; 17106 } 17107 } else { 17108 return StorageManager.UUID_PRIVATE_INTERNAL; 17109 } 17110 } 17111 17112 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 17113 if (isExternal(pkg)) { 17114 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17115 return mSettings.getExternalVersion(); 17116 } else { 17117 return mSettings.findOrCreateVersion(pkg.volumeUuid); 17118 } 17119 } else { 17120 return mSettings.getInternalVersion(); 17121 } 17122 } 17123 17124 private void deleteTempPackageFiles() { 17125 final FilenameFilter filter = new FilenameFilter() { 17126 public boolean accept(File dir, String name) { 17127 return name.startsWith("vmdl") && name.endsWith(".tmp"); 17128 } 17129 }; 17130 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 17131 file.delete(); 17132 } 17133 } 17134 17135 @Override 17136 public void deletePackageAsUser(String packageName, int versionCode, 17137 IPackageDeleteObserver observer, int userId, int flags) { 17138 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 17139 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 17140 } 17141 17142 @Override 17143 public void deletePackageVersioned(VersionedPackage versionedPackage, 17144 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 17145 mContext.enforceCallingOrSelfPermission( 17146 android.Manifest.permission.DELETE_PACKAGES, null); 17147 Preconditions.checkNotNull(versionedPackage); 17148 Preconditions.checkNotNull(observer); 17149 Preconditions.checkArgumentInRange(versionedPackage.getVersionCode(), 17150 PackageManager.VERSION_CODE_HIGHEST, 17151 Integer.MAX_VALUE, "versionCode must be >= -1"); 17152 17153 final String packageName = versionedPackage.getPackageName(); 17154 // TODO: We will change version code to long, so in the new API it is long 17155 final int versionCode = (int) versionedPackage.getVersionCode(); 17156 final String internalPackageName; 17157 synchronized (mPackages) { 17158 // Normalize package name to handle renamed packages and static libs 17159 internalPackageName = resolveInternalPackageNameLPr(versionedPackage.getPackageName(), 17160 // TODO: We will change version code to long, so in the new API it is long 17161 (int) versionedPackage.getVersionCode()); 17162 } 17163 17164 final int uid = Binder.getCallingUid(); 17165 if (!isOrphaned(internalPackageName) 17166 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 17167 try { 17168 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 17169 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 17170 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 17171 observer.onUserActionRequired(intent); 17172 } catch (RemoteException re) { 17173 } 17174 return; 17175 } 17176 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 17177 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 17178 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 17179 mContext.enforceCallingOrSelfPermission( 17180 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 17181 "deletePackage for user " + userId); 17182 } 17183 17184 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 17185 try { 17186 observer.onPackageDeleted(packageName, 17187 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 17188 } catch (RemoteException re) { 17189 } 17190 return; 17191 } 17192 17193 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 17194 try { 17195 observer.onPackageDeleted(packageName, 17196 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 17197 } catch (RemoteException re) { 17198 } 17199 return; 17200 } 17201 17202 if (DEBUG_REMOVE) { 17203 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 17204 + " deleteAllUsers: " + deleteAllUsers + " version=" 17205 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 17206 ? "VERSION_CODE_HIGHEST" : versionCode)); 17207 } 17208 // Queue up an async operation since the package deletion may take a little while. 17209 mHandler.post(new Runnable() { 17210 public void run() { 17211 mHandler.removeCallbacks(this); 17212 int returnCode; 17213 if (!deleteAllUsers) { 17214 returnCode = deletePackageX(internalPackageName, versionCode, 17215 userId, deleteFlags); 17216 } else { 17217 int[] blockUninstallUserIds = getBlockUninstallForUsers( 17218 internalPackageName, users); 17219 // If nobody is blocking uninstall, proceed with delete for all users 17220 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 17221 returnCode = deletePackageX(internalPackageName, versionCode, 17222 userId, deleteFlags); 17223 } else { 17224 // Otherwise uninstall individually for users with blockUninstalls=false 17225 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 17226 for (int userId : users) { 17227 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 17228 returnCode = deletePackageX(internalPackageName, versionCode, 17229 userId, userFlags); 17230 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 17231 Slog.w(TAG, "Package delete failed for user " + userId 17232 + ", returnCode " + returnCode); 17233 } 17234 } 17235 } 17236 // The app has only been marked uninstalled for certain users. 17237 // We still need to report that delete was blocked 17238 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 17239 } 17240 } 17241 try { 17242 observer.onPackageDeleted(packageName, returnCode, null); 17243 } catch (RemoteException e) { 17244 Log.i(TAG, "Observer no longer exists."); 17245 } //end catch 17246 } //end run 17247 }); 17248 } 17249 17250 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 17251 if (pkg.staticSharedLibName != null) { 17252 return pkg.manifestPackageName; 17253 } 17254 return pkg.packageName; 17255 } 17256 17257 private String resolveInternalPackageNameLPr(String packageName, int versionCode) { 17258 // Handle renamed packages 17259 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 17260 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 17261 17262 // Is this a static library? 17263 SparseArray<SharedLibraryEntry> versionedLib = 17264 mStaticLibsByDeclaringPackage.get(packageName); 17265 if (versionedLib == null || versionedLib.size() <= 0) { 17266 return packageName; 17267 } 17268 17269 // Figure out which lib versions the caller can see 17270 SparseIntArray versionsCallerCanSee = null; 17271 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 17272 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 17273 && callingAppId != Process.ROOT_UID) { 17274 versionsCallerCanSee = new SparseIntArray(); 17275 String libName = versionedLib.valueAt(0).info.getName(); 17276 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 17277 if (uidPackages != null) { 17278 for (String uidPackage : uidPackages) { 17279 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 17280 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 17281 if (libIdx >= 0) { 17282 final int libVersion = ps.usesStaticLibrariesVersions[libIdx]; 17283 versionsCallerCanSee.append(libVersion, libVersion); 17284 } 17285 } 17286 } 17287 } 17288 17289 // Caller can see nothing - done 17290 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 17291 return packageName; 17292 } 17293 17294 // Find the version the caller can see and the app version code 17295 SharedLibraryEntry highestVersion = null; 17296 final int versionCount = versionedLib.size(); 17297 for (int i = 0; i < versionCount; i++) { 17298 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 17299 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 17300 libEntry.info.getVersion()) < 0) { 17301 continue; 17302 } 17303 // TODO: We will change version code to long, so in the new API it is long 17304 final int libVersionCode = (int) libEntry.info.getDeclaringPackage().getVersionCode(); 17305 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 17306 if (libVersionCode == versionCode) { 17307 return libEntry.apk; 17308 } 17309 } else if (highestVersion == null) { 17310 highestVersion = libEntry; 17311 } else if (libVersionCode > highestVersion.info 17312 .getDeclaringPackage().getVersionCode()) { 17313 highestVersion = libEntry; 17314 } 17315 } 17316 17317 if (highestVersion != null) { 17318 return highestVersion.apk; 17319 } 17320 17321 return packageName; 17322 } 17323 17324 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 17325 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 17326 || callingUid == Process.SYSTEM_UID) { 17327 return true; 17328 } 17329 final int callingUserId = UserHandle.getUserId(callingUid); 17330 // If the caller installed the pkgName, then allow it to silently uninstall. 17331 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 17332 return true; 17333 } 17334 17335 // Allow package verifier to silently uninstall. 17336 if (mRequiredVerifierPackage != null && 17337 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 17338 return true; 17339 } 17340 17341 // Allow package uninstaller to silently uninstall. 17342 if (mRequiredUninstallerPackage != null && 17343 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 17344 return true; 17345 } 17346 17347 // Allow storage manager to silently uninstall. 17348 if (mStorageManagerPackage != null && 17349 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 17350 return true; 17351 } 17352 return false; 17353 } 17354 17355 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 17356 int[] result = EMPTY_INT_ARRAY; 17357 for (int userId : userIds) { 17358 if (getBlockUninstallForUser(packageName, userId)) { 17359 result = ArrayUtils.appendInt(result, userId); 17360 } 17361 } 17362 return result; 17363 } 17364 17365 @Override 17366 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 17367 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 17368 } 17369 17370 private boolean isPackageDeviceAdmin(String packageName, int userId) { 17371 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 17372 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 17373 try { 17374 if (dpm != null) { 17375 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 17376 /* callingUserOnly =*/ false); 17377 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 17378 : deviceOwnerComponentName.getPackageName(); 17379 // Does the package contains the device owner? 17380 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 17381 // this check is probably not needed, since DO should be registered as a device 17382 // admin on some user too. (Original bug for this: b/17657954) 17383 if (packageName.equals(deviceOwnerPackageName)) { 17384 return true; 17385 } 17386 // Does it contain a device admin for any user? 17387 int[] users; 17388 if (userId == UserHandle.USER_ALL) { 17389 users = sUserManager.getUserIds(); 17390 } else { 17391 users = new int[]{userId}; 17392 } 17393 for (int i = 0; i < users.length; ++i) { 17394 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 17395 return true; 17396 } 17397 } 17398 } 17399 } catch (RemoteException e) { 17400 } 17401 return false; 17402 } 17403 17404 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 17405 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 17406 } 17407 17408 /** 17409 * This method is an internal method that could be get invoked either 17410 * to delete an installed package or to clean up a failed installation. 17411 * After deleting an installed package, a broadcast is sent to notify any 17412 * listeners that the package has been removed. For cleaning up a failed 17413 * installation, the broadcast is not necessary since the package's 17414 * installation wouldn't have sent the initial broadcast either 17415 * The key steps in deleting a package are 17416 * deleting the package information in internal structures like mPackages, 17417 * deleting the packages base directories through installd 17418 * updating mSettings to reflect current status 17419 * persisting settings for later use 17420 * sending a broadcast if necessary 17421 */ 17422 private int deletePackageX(String packageName, int versionCode, int userId, int deleteFlags) { 17423 final PackageRemovedInfo info = new PackageRemovedInfo(); 17424 final boolean res; 17425 17426 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 17427 ? UserHandle.USER_ALL : userId; 17428 17429 if (isPackageDeviceAdmin(packageName, removeUser)) { 17430 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 17431 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 17432 } 17433 17434 PackageSetting uninstalledPs = null; 17435 PackageParser.Package pkg = null; 17436 17437 // for the uninstall-updates case and restricted profiles, remember the per- 17438 // user handle installed state 17439 int[] allUsers; 17440 synchronized (mPackages) { 17441 uninstalledPs = mSettings.mPackages.get(packageName); 17442 if (uninstalledPs == null) { 17443 Slog.w(TAG, "Not removing non-existent package " + packageName); 17444 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17445 } 17446 17447 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 17448 && uninstalledPs.versionCode != versionCode) { 17449 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 17450 + uninstalledPs.versionCode + " != " + versionCode); 17451 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17452 } 17453 17454 // Static shared libs can be declared by any package, so let us not 17455 // allow removing a package if it provides a lib others depend on. 17456 pkg = mPackages.get(packageName); 17457 if (pkg != null && pkg.staticSharedLibName != null) { 17458 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 17459 pkg.staticSharedLibVersion); 17460 if (libEntry != null) { 17461 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 17462 libEntry.info, 0, userId); 17463 if (!ArrayUtils.isEmpty(libClientPackages)) { 17464 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 17465 + " hosting lib " + libEntry.info.getName() + " version " 17466 + libEntry.info.getVersion() + " used by " + libClientPackages); 17467 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 17468 } 17469 } 17470 } 17471 17472 allUsers = sUserManager.getUserIds(); 17473 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 17474 } 17475 17476 final int freezeUser; 17477 if (isUpdatedSystemApp(uninstalledPs) 17478 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 17479 // We're downgrading a system app, which will apply to all users, so 17480 // freeze them all during the downgrade 17481 freezeUser = UserHandle.USER_ALL; 17482 } else { 17483 freezeUser = removeUser; 17484 } 17485 17486 synchronized (mInstallLock) { 17487 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 17488 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 17489 deleteFlags, "deletePackageX")) { 17490 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 17491 deleteFlags | FLAGS_REMOVE_CHATTY, info, true, null); 17492 } 17493 synchronized (mPackages) { 17494 if (res) { 17495 if (pkg != null) { 17496 mInstantAppRegistry.onPackageUninstalledLPw(pkg, info.removedUsers); 17497 } 17498 updateSequenceNumberLP(packageName, info.removedUsers); 17499 updateInstantAppInstallerLocked(); 17500 } 17501 } 17502 } 17503 17504 if (res) { 17505 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 17506 info.sendPackageRemovedBroadcasts(killApp); 17507 info.sendSystemPackageUpdatedBroadcasts(); 17508 info.sendSystemPackageAppearedBroadcasts(); 17509 } 17510 // Force a gc here. 17511 Runtime.getRuntime().gc(); 17512 // Delete the resources here after sending the broadcast to let 17513 // other processes clean up before deleting resources. 17514 if (info.args != null) { 17515 synchronized (mInstallLock) { 17516 info.args.doPostDeleteLI(true); 17517 } 17518 } 17519 17520 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17521 } 17522 17523 class PackageRemovedInfo { 17524 String removedPackage; 17525 int uid = -1; 17526 int removedAppId = -1; 17527 int[] origUsers; 17528 int[] removedUsers = null; 17529 SparseArray<Integer> installReasons; 17530 boolean isRemovedPackageSystemUpdate = false; 17531 boolean isUpdate; 17532 boolean dataRemoved; 17533 boolean removedForAllUsers; 17534 boolean isStaticSharedLib; 17535 // Clean up resources deleted packages. 17536 InstallArgs args = null; 17537 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 17538 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 17539 17540 void sendPackageRemovedBroadcasts(boolean killApp) { 17541 sendPackageRemovedBroadcastInternal(killApp); 17542 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 17543 for (int i = 0; i < childCount; i++) { 17544 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17545 childInfo.sendPackageRemovedBroadcastInternal(killApp); 17546 } 17547 } 17548 17549 void sendSystemPackageUpdatedBroadcasts() { 17550 if (isRemovedPackageSystemUpdate) { 17551 sendSystemPackageUpdatedBroadcastsInternal(); 17552 final int childCount = (removedChildPackages != null) 17553 ? removedChildPackages.size() : 0; 17554 for (int i = 0; i < childCount; i++) { 17555 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17556 if (childInfo.isRemovedPackageSystemUpdate) { 17557 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 17558 } 17559 } 17560 } 17561 } 17562 17563 void sendSystemPackageAppearedBroadcasts() { 17564 final int packageCount = (appearedChildPackages != null) 17565 ? appearedChildPackages.size() : 0; 17566 for (int i = 0; i < packageCount; i++) { 17567 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 17568 sendPackageAddedForNewUsers(installedInfo.name, true, 17569 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers); 17570 } 17571 } 17572 17573 private void sendSystemPackageUpdatedBroadcastsInternal() { 17574 Bundle extras = new Bundle(2); 17575 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17576 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17577 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 17578 extras, 0, null, null, null); 17579 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 17580 extras, 0, null, null, null); 17581 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 17582 null, 0, removedPackage, null, null); 17583 } 17584 17585 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 17586 // Don't send static shared library removal broadcasts as these 17587 // libs are visible only the the apps that depend on them an one 17588 // cannot remove the library if it has a dependency. 17589 if (isStaticSharedLib) { 17590 return; 17591 } 17592 Bundle extras = new Bundle(2); 17593 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17594 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 17595 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 17596 if (isUpdate || isRemovedPackageSystemUpdate) { 17597 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17598 } 17599 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 17600 if (removedPackage != null) { 17601 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 17602 extras, 0, null, null, removedUsers); 17603 if (dataRemoved && !isRemovedPackageSystemUpdate) { 17604 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 17605 removedPackage, extras, Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 17606 null, null, removedUsers); 17607 } 17608 } 17609 if (removedAppId >= 0) { 17610 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 17611 removedUsers); 17612 } 17613 } 17614 } 17615 17616 /* 17617 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 17618 * flag is not set, the data directory is removed as well. 17619 * make sure this flag is set for partially installed apps. If not its meaningless to 17620 * delete a partially installed application. 17621 */ 17622 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 17623 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 17624 String packageName = ps.name; 17625 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 17626 // Retrieve object to delete permissions for shared user later on 17627 final PackageParser.Package deletedPkg; 17628 final PackageSetting deletedPs; 17629 // reader 17630 synchronized (mPackages) { 17631 deletedPkg = mPackages.get(packageName); 17632 deletedPs = mSettings.mPackages.get(packageName); 17633 if (outInfo != null) { 17634 outInfo.removedPackage = packageName; 17635 outInfo.isStaticSharedLib = deletedPkg != null 17636 && deletedPkg.staticSharedLibName != null; 17637 outInfo.removedUsers = deletedPs != null 17638 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 17639 : null; 17640 } 17641 } 17642 17643 removePackageLI(ps, (flags & FLAGS_REMOVE_CHATTY) != 0); 17644 17645 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 17646 final PackageParser.Package resolvedPkg; 17647 if (deletedPkg != null) { 17648 resolvedPkg = deletedPkg; 17649 } else { 17650 // We don't have a parsed package when it lives on an ejected 17651 // adopted storage device, so fake something together 17652 resolvedPkg = new PackageParser.Package(ps.name); 17653 resolvedPkg.setVolumeUuid(ps.volumeUuid); 17654 } 17655 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 17656 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17657 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 17658 if (outInfo != null) { 17659 outInfo.dataRemoved = true; 17660 } 17661 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 17662 } 17663 17664 int removedAppId = -1; 17665 17666 // writer 17667 synchronized (mPackages) { 17668 boolean installedStateChanged = false; 17669 if (deletedPs != null) { 17670 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 17671 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 17672 clearDefaultBrowserIfNeeded(packageName); 17673 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 17674 removedAppId = mSettings.removePackageLPw(packageName); 17675 if (outInfo != null) { 17676 outInfo.removedAppId = removedAppId; 17677 } 17678 updatePermissionsLPw(deletedPs.name, null, 0); 17679 if (deletedPs.sharedUser != null) { 17680 // Remove permissions associated with package. Since runtime 17681 // permissions are per user we have to kill the removed package 17682 // or packages running under the shared user of the removed 17683 // package if revoking the permissions requested only by the removed 17684 // package is successful and this causes a change in gids. 17685 for (int userId : UserManagerService.getInstance().getUserIds()) { 17686 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 17687 userId); 17688 if (userIdToKill == UserHandle.USER_ALL 17689 || userIdToKill >= UserHandle.USER_SYSTEM) { 17690 // If gids changed for this user, kill all affected packages. 17691 mHandler.post(new Runnable() { 17692 @Override 17693 public void run() { 17694 // This has to happen with no lock held. 17695 killApplication(deletedPs.name, deletedPs.appId, 17696 KILL_APP_REASON_GIDS_CHANGED); 17697 } 17698 }); 17699 break; 17700 } 17701 } 17702 } 17703 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 17704 } 17705 // make sure to preserve per-user disabled state if this removal was just 17706 // a downgrade of a system app to the factory package 17707 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 17708 if (DEBUG_REMOVE) { 17709 Slog.d(TAG, "Propagating install state across downgrade"); 17710 } 17711 for (int userId : allUserHandles) { 17712 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17713 if (DEBUG_REMOVE) { 17714 Slog.d(TAG, " user " + userId + " => " + installed); 17715 } 17716 if (installed != ps.getInstalled(userId)) { 17717 installedStateChanged = true; 17718 } 17719 ps.setInstalled(installed, userId); 17720 } 17721 } 17722 } 17723 // can downgrade to reader 17724 if (writeSettings) { 17725 // Save settings now 17726 mSettings.writeLPr(); 17727 } 17728 if (installedStateChanged) { 17729 mSettings.writeKernelMappingLPr(ps); 17730 } 17731 } 17732 if (removedAppId != -1) { 17733 // A user ID was deleted here. Go through all users and remove it 17734 // from KeyStore. 17735 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 17736 } 17737 } 17738 17739 static boolean locationIsPrivileged(File path) { 17740 try { 17741 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 17742 .getCanonicalPath(); 17743 return path.getCanonicalPath().startsWith(privilegedAppDir); 17744 } catch (IOException e) { 17745 Slog.e(TAG, "Unable to access code path " + path); 17746 } 17747 return false; 17748 } 17749 17750 /* 17751 * Tries to delete system package. 17752 */ 17753 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 17754 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 17755 boolean writeSettings) { 17756 if (deletedPs.parentPackageName != null) { 17757 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 17758 return false; 17759 } 17760 17761 final boolean applyUserRestrictions 17762 = (allUserHandles != null) && (outInfo.origUsers != null); 17763 final PackageSetting disabledPs; 17764 // Confirm if the system package has been updated 17765 // An updated system app can be deleted. This will also have to restore 17766 // the system pkg from system partition 17767 // reader 17768 synchronized (mPackages) { 17769 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 17770 } 17771 17772 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 17773 + " disabledPs=" + disabledPs); 17774 17775 if (disabledPs == null) { 17776 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 17777 return false; 17778 } else if (DEBUG_REMOVE) { 17779 Slog.d(TAG, "Deleting system pkg from data partition"); 17780 } 17781 17782 if (DEBUG_REMOVE) { 17783 if (applyUserRestrictions) { 17784 Slog.d(TAG, "Remembering install states:"); 17785 for (int userId : allUserHandles) { 17786 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 17787 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 17788 } 17789 } 17790 } 17791 17792 // Delete the updated package 17793 outInfo.isRemovedPackageSystemUpdate = true; 17794 if (outInfo.removedChildPackages != null) { 17795 final int childCount = (deletedPs.childPackageNames != null) 17796 ? deletedPs.childPackageNames.size() : 0; 17797 for (int i = 0; i < childCount; i++) { 17798 String childPackageName = deletedPs.childPackageNames.get(i); 17799 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 17800 .contains(childPackageName)) { 17801 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17802 childPackageName); 17803 if (childInfo != null) { 17804 childInfo.isRemovedPackageSystemUpdate = true; 17805 } 17806 } 17807 } 17808 } 17809 17810 if (disabledPs.versionCode < deletedPs.versionCode) { 17811 // Delete data for downgrades 17812 flags &= ~PackageManager.DELETE_KEEP_DATA; 17813 } else { 17814 // Preserve data by setting flag 17815 flags |= PackageManager.DELETE_KEEP_DATA; 17816 } 17817 17818 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 17819 outInfo, writeSettings, disabledPs.pkg); 17820 if (!ret) { 17821 return false; 17822 } 17823 17824 // writer 17825 synchronized (mPackages) { 17826 // Reinstate the old system package 17827 enableSystemPackageLPw(disabledPs.pkg); 17828 // Remove any native libraries from the upgraded package. 17829 removeNativeBinariesLI(deletedPs); 17830 } 17831 17832 // Install the system package 17833 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 17834 int parseFlags = mDefParseFlags 17835 | PackageParser.PARSE_MUST_BE_APK 17836 | PackageParser.PARSE_IS_SYSTEM 17837 | PackageParser.PARSE_IS_SYSTEM_DIR; 17838 if (locationIsPrivileged(disabledPs.codePath)) { 17839 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 17840 } 17841 17842 final PackageParser.Package newPkg; 17843 try { 17844 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 17845 0 /* currentTime */, null); 17846 } catch (PackageManagerException e) { 17847 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 17848 + e.getMessage()); 17849 return false; 17850 } 17851 17852 try { 17853 // update shared libraries for the newly re-installed system package 17854 updateSharedLibrariesLPr(newPkg, null); 17855 } catch (PackageManagerException e) { 17856 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 17857 } 17858 17859 prepareAppDataAfterInstallLIF(newPkg); 17860 17861 // writer 17862 synchronized (mPackages) { 17863 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 17864 17865 // Propagate the permissions state as we do not want to drop on the floor 17866 // runtime permissions. The update permissions method below will take 17867 // care of removing obsolete permissions and grant install permissions. 17868 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 17869 updatePermissionsLPw(newPkg.packageName, newPkg, 17870 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 17871 17872 if (applyUserRestrictions) { 17873 boolean installedStateChanged = false; 17874 if (DEBUG_REMOVE) { 17875 Slog.d(TAG, "Propagating install state across reinstall"); 17876 } 17877 for (int userId : allUserHandles) { 17878 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17879 if (DEBUG_REMOVE) { 17880 Slog.d(TAG, " user " + userId + " => " + installed); 17881 } 17882 if (installed != ps.getInstalled(userId)) { 17883 installedStateChanged = true; 17884 } 17885 ps.setInstalled(installed, userId); 17886 17887 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17888 } 17889 // Regardless of writeSettings we need to ensure that this restriction 17890 // state propagation is persisted 17891 mSettings.writeAllUsersPackageRestrictionsLPr(); 17892 if (installedStateChanged) { 17893 mSettings.writeKernelMappingLPr(ps); 17894 } 17895 } 17896 // can downgrade to reader here 17897 if (writeSettings) { 17898 mSettings.writeLPr(); 17899 } 17900 } 17901 return true; 17902 } 17903 17904 private boolean deleteInstalledPackageLIF(PackageSetting ps, 17905 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 17906 PackageRemovedInfo outInfo, boolean writeSettings, 17907 PackageParser.Package replacingPackage) { 17908 synchronized (mPackages) { 17909 if (outInfo != null) { 17910 outInfo.uid = ps.appId; 17911 } 17912 17913 if (outInfo != null && outInfo.removedChildPackages != null) { 17914 final int childCount = (ps.childPackageNames != null) 17915 ? ps.childPackageNames.size() : 0; 17916 for (int i = 0; i < childCount; i++) { 17917 String childPackageName = ps.childPackageNames.get(i); 17918 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 17919 if (childPs == null) { 17920 return false; 17921 } 17922 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17923 childPackageName); 17924 if (childInfo != null) { 17925 childInfo.uid = childPs.appId; 17926 } 17927 } 17928 } 17929 } 17930 17931 // Delete package data from internal structures and also remove data if flag is set 17932 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 17933 17934 // Delete the child packages data 17935 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 17936 for (int i = 0; i < childCount; i++) { 17937 PackageSetting childPs; 17938 synchronized (mPackages) { 17939 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 17940 } 17941 if (childPs != null) { 17942 PackageRemovedInfo childOutInfo = (outInfo != null 17943 && outInfo.removedChildPackages != null) 17944 ? outInfo.removedChildPackages.get(childPs.name) : null; 17945 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 17946 && (replacingPackage != null 17947 && !replacingPackage.hasChildPackage(childPs.name)) 17948 ? flags & ~DELETE_KEEP_DATA : flags; 17949 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 17950 deleteFlags, writeSettings); 17951 } 17952 } 17953 17954 // Delete application code and resources only for parent packages 17955 if (ps.parentPackageName == null) { 17956 if (deleteCodeAndResources && (outInfo != null)) { 17957 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 17958 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 17959 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 17960 } 17961 } 17962 17963 return true; 17964 } 17965 17966 @Override 17967 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 17968 int userId) { 17969 mContext.enforceCallingOrSelfPermission( 17970 android.Manifest.permission.DELETE_PACKAGES, null); 17971 synchronized (mPackages) { 17972 PackageSetting ps = mSettings.mPackages.get(packageName); 17973 if (ps == null) { 17974 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 17975 return false; 17976 } 17977 // Cannot block uninstall of static shared libs as they are 17978 // considered a part of the using app (emulating static linking). 17979 // Also static libs are installed always on internal storage. 17980 PackageParser.Package pkg = mPackages.get(packageName); 17981 if (pkg != null && pkg.staticSharedLibName != null) { 17982 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 17983 + " providing static shared library: " + pkg.staticSharedLibName); 17984 return false; 17985 } 17986 if (!ps.getInstalled(userId)) { 17987 // Can't block uninstall for an app that is not installed or enabled. 17988 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 17989 return false; 17990 } 17991 ps.setBlockUninstall(blockUninstall, userId); 17992 mSettings.writePackageRestrictionsLPr(userId); 17993 } 17994 return true; 17995 } 17996 17997 @Override 17998 public boolean getBlockUninstallForUser(String packageName, int userId) { 17999 synchronized (mPackages) { 18000 PackageSetting ps = mSettings.mPackages.get(packageName); 18001 if (ps == null) { 18002 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 18003 return false; 18004 } 18005 return ps.getBlockUninstall(userId); 18006 } 18007 } 18008 18009 @Override 18010 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 18011 int callingUid = Binder.getCallingUid(); 18012 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 18013 throw new SecurityException( 18014 "setRequiredForSystemUser can only be run by the system or root"); 18015 } 18016 synchronized (mPackages) { 18017 PackageSetting ps = mSettings.mPackages.get(packageName); 18018 if (ps == null) { 18019 Log.w(TAG, "Package doesn't exist: " + packageName); 18020 return false; 18021 } 18022 if (systemUserApp) { 18023 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18024 } else { 18025 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18026 } 18027 mSettings.writeLPr(); 18028 } 18029 return true; 18030 } 18031 18032 /* 18033 * This method handles package deletion in general 18034 */ 18035 private boolean deletePackageLIF(String packageName, UserHandle user, 18036 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 18037 PackageRemovedInfo outInfo, boolean writeSettings, 18038 PackageParser.Package replacingPackage) { 18039 if (packageName == null) { 18040 Slog.w(TAG, "Attempt to delete null packageName."); 18041 return false; 18042 } 18043 18044 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 18045 18046 PackageSetting ps; 18047 synchronized (mPackages) { 18048 ps = mSettings.mPackages.get(packageName); 18049 if (ps == null) { 18050 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18051 return false; 18052 } 18053 18054 if (ps.parentPackageName != null && (!isSystemApp(ps) 18055 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 18056 if (DEBUG_REMOVE) { 18057 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 18058 + ((user == null) ? UserHandle.USER_ALL : user)); 18059 } 18060 final int removedUserId = (user != null) ? user.getIdentifier() 18061 : UserHandle.USER_ALL; 18062 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 18063 return false; 18064 } 18065 markPackageUninstalledForUserLPw(ps, user); 18066 scheduleWritePackageRestrictionsLocked(user); 18067 return true; 18068 } 18069 } 18070 18071 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 18072 && user.getIdentifier() != UserHandle.USER_ALL)) { 18073 // The caller is asking that the package only be deleted for a single 18074 // user. To do this, we just mark its uninstalled state and delete 18075 // its data. If this is a system app, we only allow this to happen if 18076 // they have set the special DELETE_SYSTEM_APP which requests different 18077 // semantics than normal for uninstalling system apps. 18078 markPackageUninstalledForUserLPw(ps, user); 18079 18080 if (!isSystemApp(ps)) { 18081 // Do not uninstall the APK if an app should be cached 18082 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 18083 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 18084 // Other user still have this package installed, so all 18085 // we need to do is clear this user's data and save that 18086 // it is uninstalled. 18087 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 18088 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18089 return false; 18090 } 18091 scheduleWritePackageRestrictionsLocked(user); 18092 return true; 18093 } else { 18094 // We need to set it back to 'installed' so the uninstall 18095 // broadcasts will be sent correctly. 18096 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 18097 ps.setInstalled(true, user.getIdentifier()); 18098 mSettings.writeKernelMappingLPr(ps); 18099 } 18100 } else { 18101 // This is a system app, so we assume that the 18102 // other users still have this package installed, so all 18103 // we need to do is clear this user's data and save that 18104 // it is uninstalled. 18105 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 18106 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18107 return false; 18108 } 18109 scheduleWritePackageRestrictionsLocked(user); 18110 return true; 18111 } 18112 } 18113 18114 // If we are deleting a composite package for all users, keep track 18115 // of result for each child. 18116 if (ps.childPackageNames != null && outInfo != null) { 18117 synchronized (mPackages) { 18118 final int childCount = ps.childPackageNames.size(); 18119 outInfo.removedChildPackages = new ArrayMap<>(childCount); 18120 for (int i = 0; i < childCount; i++) { 18121 String childPackageName = ps.childPackageNames.get(i); 18122 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 18123 childInfo.removedPackage = childPackageName; 18124 outInfo.removedChildPackages.put(childPackageName, childInfo); 18125 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18126 if (childPs != null) { 18127 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 18128 } 18129 } 18130 } 18131 } 18132 18133 boolean ret = false; 18134 if (isSystemApp(ps)) { 18135 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 18136 // When an updated system application is deleted we delete the existing resources 18137 // as well and fall back to existing code in system partition 18138 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 18139 } else { 18140 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 18141 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 18142 outInfo, writeSettings, replacingPackage); 18143 } 18144 18145 // Take a note whether we deleted the package for all users 18146 if (outInfo != null) { 18147 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 18148 if (outInfo.removedChildPackages != null) { 18149 synchronized (mPackages) { 18150 final int childCount = outInfo.removedChildPackages.size(); 18151 for (int i = 0; i < childCount; i++) { 18152 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 18153 if (childInfo != null) { 18154 childInfo.removedForAllUsers = mPackages.get( 18155 childInfo.removedPackage) == null; 18156 } 18157 } 18158 } 18159 } 18160 // If we uninstalled an update to a system app there may be some 18161 // child packages that appeared as they are declared in the system 18162 // app but were not declared in the update. 18163 if (isSystemApp(ps)) { 18164 synchronized (mPackages) { 18165 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 18166 final int childCount = (updatedPs.childPackageNames != null) 18167 ? updatedPs.childPackageNames.size() : 0; 18168 for (int i = 0; i < childCount; i++) { 18169 String childPackageName = updatedPs.childPackageNames.get(i); 18170 if (outInfo.removedChildPackages == null 18171 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 18172 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18173 if (childPs == null) { 18174 continue; 18175 } 18176 PackageInstalledInfo installRes = new PackageInstalledInfo(); 18177 installRes.name = childPackageName; 18178 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 18179 installRes.pkg = mPackages.get(childPackageName); 18180 installRes.uid = childPs.pkg.applicationInfo.uid; 18181 if (outInfo.appearedChildPackages == null) { 18182 outInfo.appearedChildPackages = new ArrayMap<>(); 18183 } 18184 outInfo.appearedChildPackages.put(childPackageName, installRes); 18185 } 18186 } 18187 } 18188 } 18189 } 18190 18191 return ret; 18192 } 18193 18194 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 18195 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 18196 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 18197 for (int nextUserId : userIds) { 18198 if (DEBUG_REMOVE) { 18199 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 18200 } 18201 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 18202 false /*installed*/, 18203 true /*stopped*/, 18204 true /*notLaunched*/, 18205 false /*hidden*/, 18206 false /*suspended*/, 18207 false /*instantApp*/, 18208 null /*lastDisableAppCaller*/, 18209 null /*enabledComponents*/, 18210 null /*disabledComponents*/, 18211 false /*blockUninstall*/, 18212 ps.readUserState(nextUserId).domainVerificationStatus, 18213 0, PackageManager.INSTALL_REASON_UNKNOWN); 18214 } 18215 mSettings.writeKernelMappingLPr(ps); 18216 } 18217 18218 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 18219 PackageRemovedInfo outInfo) { 18220 final PackageParser.Package pkg; 18221 synchronized (mPackages) { 18222 pkg = mPackages.get(ps.name); 18223 } 18224 18225 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 18226 : new int[] {userId}; 18227 for (int nextUserId : userIds) { 18228 if (DEBUG_REMOVE) { 18229 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 18230 + nextUserId); 18231 } 18232 18233 destroyAppDataLIF(pkg, userId, 18234 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18235 destroyAppProfilesLIF(pkg, userId); 18236 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 18237 schedulePackageCleaning(ps.name, nextUserId, false); 18238 synchronized (mPackages) { 18239 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 18240 scheduleWritePackageRestrictionsLocked(nextUserId); 18241 } 18242 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 18243 } 18244 } 18245 18246 if (outInfo != null) { 18247 outInfo.removedPackage = ps.name; 18248 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 18249 outInfo.removedAppId = ps.appId; 18250 outInfo.removedUsers = userIds; 18251 } 18252 18253 return true; 18254 } 18255 18256 private final class ClearStorageConnection implements ServiceConnection { 18257 IMediaContainerService mContainerService; 18258 18259 @Override 18260 public void onServiceConnected(ComponentName name, IBinder service) { 18261 synchronized (this) { 18262 mContainerService = IMediaContainerService.Stub 18263 .asInterface(Binder.allowBlocking(service)); 18264 notifyAll(); 18265 } 18266 } 18267 18268 @Override 18269 public void onServiceDisconnected(ComponentName name) { 18270 } 18271 } 18272 18273 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 18274 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 18275 18276 final boolean mounted; 18277 if (Environment.isExternalStorageEmulated()) { 18278 mounted = true; 18279 } else { 18280 final String status = Environment.getExternalStorageState(); 18281 18282 mounted = status.equals(Environment.MEDIA_MOUNTED) 18283 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 18284 } 18285 18286 if (!mounted) { 18287 return; 18288 } 18289 18290 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 18291 int[] users; 18292 if (userId == UserHandle.USER_ALL) { 18293 users = sUserManager.getUserIds(); 18294 } else { 18295 users = new int[] { userId }; 18296 } 18297 final ClearStorageConnection conn = new ClearStorageConnection(); 18298 if (mContext.bindServiceAsUser( 18299 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 18300 try { 18301 for (int curUser : users) { 18302 long timeout = SystemClock.uptimeMillis() + 5000; 18303 synchronized (conn) { 18304 long now; 18305 while (conn.mContainerService == null && 18306 (now = SystemClock.uptimeMillis()) < timeout) { 18307 try { 18308 conn.wait(timeout - now); 18309 } catch (InterruptedException e) { 18310 } 18311 } 18312 } 18313 if (conn.mContainerService == null) { 18314 return; 18315 } 18316 18317 final UserEnvironment userEnv = new UserEnvironment(curUser); 18318 clearDirectory(conn.mContainerService, 18319 userEnv.buildExternalStorageAppCacheDirs(packageName)); 18320 if (allData) { 18321 clearDirectory(conn.mContainerService, 18322 userEnv.buildExternalStorageAppDataDirs(packageName)); 18323 clearDirectory(conn.mContainerService, 18324 userEnv.buildExternalStorageAppMediaDirs(packageName)); 18325 } 18326 } 18327 } finally { 18328 mContext.unbindService(conn); 18329 } 18330 } 18331 } 18332 18333 @Override 18334 public void clearApplicationProfileData(String packageName) { 18335 enforceSystemOrRoot("Only the system can clear all profile data"); 18336 18337 final PackageParser.Package pkg; 18338 synchronized (mPackages) { 18339 pkg = mPackages.get(packageName); 18340 } 18341 18342 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 18343 synchronized (mInstallLock) { 18344 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 18345 } 18346 } 18347 } 18348 18349 @Override 18350 public void clearApplicationUserData(final String packageName, 18351 final IPackageDataObserver observer, final int userId) { 18352 mContext.enforceCallingOrSelfPermission( 18353 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 18354 18355 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18356 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 18357 18358 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 18359 throw new SecurityException("Cannot clear data for a protected package: " 18360 + packageName); 18361 } 18362 // Queue up an async operation since the package deletion may take a little while. 18363 mHandler.post(new Runnable() { 18364 public void run() { 18365 mHandler.removeCallbacks(this); 18366 final boolean succeeded; 18367 try (PackageFreezer freezer = freezePackage(packageName, 18368 "clearApplicationUserData")) { 18369 synchronized (mInstallLock) { 18370 succeeded = clearApplicationUserDataLIF(packageName, userId); 18371 } 18372 clearExternalStorageDataSync(packageName, userId, true); 18373 synchronized (mPackages) { 18374 mInstantAppRegistry.deleteInstantApplicationMetadataLPw( 18375 packageName, userId); 18376 } 18377 } 18378 if (succeeded) { 18379 // invoke DeviceStorageMonitor's update method to clear any notifications 18380 DeviceStorageMonitorInternal dsm = LocalServices 18381 .getService(DeviceStorageMonitorInternal.class); 18382 if (dsm != null) { 18383 dsm.checkMemory(); 18384 } 18385 } 18386 if(observer != null) { 18387 try { 18388 observer.onRemoveCompleted(packageName, succeeded); 18389 } catch (RemoteException e) { 18390 Log.i(TAG, "Observer no longer exists."); 18391 } 18392 } //end if observer 18393 } //end run 18394 }); 18395 } 18396 18397 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 18398 if (packageName == null) { 18399 Slog.w(TAG, "Attempt to delete null packageName."); 18400 return false; 18401 } 18402 18403 // Try finding details about the requested package 18404 PackageParser.Package pkg; 18405 synchronized (mPackages) { 18406 pkg = mPackages.get(packageName); 18407 if (pkg == null) { 18408 final PackageSetting ps = mSettings.mPackages.get(packageName); 18409 if (ps != null) { 18410 pkg = ps.pkg; 18411 } 18412 } 18413 18414 if (pkg == null) { 18415 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18416 return false; 18417 } 18418 18419 PackageSetting ps = (PackageSetting) pkg.mExtras; 18420 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18421 } 18422 18423 clearAppDataLIF(pkg, userId, 18424 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18425 18426 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18427 removeKeystoreDataIfNeeded(userId, appId); 18428 18429 UserManagerInternal umInternal = getUserManagerInternal(); 18430 final int flags; 18431 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 18432 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18433 } else if (umInternal.isUserRunning(userId)) { 18434 flags = StorageManager.FLAG_STORAGE_DE; 18435 } else { 18436 flags = 0; 18437 } 18438 prepareAppDataContentsLIF(pkg, userId, flags); 18439 18440 return true; 18441 } 18442 18443 /** 18444 * Reverts user permission state changes (permissions and flags) in 18445 * all packages for a given user. 18446 * 18447 * @param userId The device user for which to do a reset. 18448 */ 18449 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 18450 final int packageCount = mPackages.size(); 18451 for (int i = 0; i < packageCount; i++) { 18452 PackageParser.Package pkg = mPackages.valueAt(i); 18453 PackageSetting ps = (PackageSetting) pkg.mExtras; 18454 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18455 } 18456 } 18457 18458 private void resetNetworkPolicies(int userId) { 18459 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 18460 } 18461 18462 /** 18463 * Reverts user permission state changes (permissions and flags). 18464 * 18465 * @param ps The package for which to reset. 18466 * @param userId The device user for which to do a reset. 18467 */ 18468 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 18469 final PackageSetting ps, final int userId) { 18470 if (ps.pkg == null) { 18471 return; 18472 } 18473 18474 // These are flags that can change base on user actions. 18475 final int userSettableMask = FLAG_PERMISSION_USER_SET 18476 | FLAG_PERMISSION_USER_FIXED 18477 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 18478 | FLAG_PERMISSION_REVIEW_REQUIRED; 18479 18480 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 18481 | FLAG_PERMISSION_POLICY_FIXED; 18482 18483 boolean writeInstallPermissions = false; 18484 boolean writeRuntimePermissions = false; 18485 18486 final int permissionCount = ps.pkg.requestedPermissions.size(); 18487 for (int i = 0; i < permissionCount; i++) { 18488 String permission = ps.pkg.requestedPermissions.get(i); 18489 18490 BasePermission bp = mSettings.mPermissions.get(permission); 18491 if (bp == null) { 18492 continue; 18493 } 18494 18495 // If shared user we just reset the state to which only this app contributed. 18496 if (ps.sharedUser != null) { 18497 boolean used = false; 18498 final int packageCount = ps.sharedUser.packages.size(); 18499 for (int j = 0; j < packageCount; j++) { 18500 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 18501 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 18502 && pkg.pkg.requestedPermissions.contains(permission)) { 18503 used = true; 18504 break; 18505 } 18506 } 18507 if (used) { 18508 continue; 18509 } 18510 } 18511 18512 PermissionsState permissionsState = ps.getPermissionsState(); 18513 18514 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 18515 18516 // Always clear the user settable flags. 18517 final boolean hasInstallState = permissionsState.getInstallPermissionState( 18518 bp.name) != null; 18519 // If permission review is enabled and this is a legacy app, mark the 18520 // permission as requiring a review as this is the initial state. 18521 int flags = 0; 18522 if (mPermissionReviewRequired 18523 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 18524 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 18525 } 18526 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 18527 if (hasInstallState) { 18528 writeInstallPermissions = true; 18529 } else { 18530 writeRuntimePermissions = true; 18531 } 18532 } 18533 18534 // Below is only runtime permission handling. 18535 if (!bp.isRuntime()) { 18536 continue; 18537 } 18538 18539 // Never clobber system or policy. 18540 if ((oldFlags & policyOrSystemFlags) != 0) { 18541 continue; 18542 } 18543 18544 // If this permission was granted by default, make sure it is. 18545 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 18546 if (permissionsState.grantRuntimePermission(bp, userId) 18547 != PERMISSION_OPERATION_FAILURE) { 18548 writeRuntimePermissions = true; 18549 } 18550 // If permission review is enabled the permissions for a legacy apps 18551 // are represented as constantly granted runtime ones, so don't revoke. 18552 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 18553 // Otherwise, reset the permission. 18554 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 18555 switch (revokeResult) { 18556 case PERMISSION_OPERATION_SUCCESS: 18557 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 18558 writeRuntimePermissions = true; 18559 final int appId = ps.appId; 18560 mHandler.post(new Runnable() { 18561 @Override 18562 public void run() { 18563 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 18564 } 18565 }); 18566 } break; 18567 } 18568 } 18569 } 18570 18571 // Synchronously write as we are taking permissions away. 18572 if (writeRuntimePermissions) { 18573 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 18574 } 18575 18576 // Synchronously write as we are taking permissions away. 18577 if (writeInstallPermissions) { 18578 mSettings.writeLPr(); 18579 } 18580 } 18581 18582 /** 18583 * Remove entries from the keystore daemon. Will only remove it if the 18584 * {@code appId} is valid. 18585 */ 18586 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 18587 if (appId < 0) { 18588 return; 18589 } 18590 18591 final KeyStore keyStore = KeyStore.getInstance(); 18592 if (keyStore != null) { 18593 if (userId == UserHandle.USER_ALL) { 18594 for (final int individual : sUserManager.getUserIds()) { 18595 keyStore.clearUid(UserHandle.getUid(individual, appId)); 18596 } 18597 } else { 18598 keyStore.clearUid(UserHandle.getUid(userId, appId)); 18599 } 18600 } else { 18601 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 18602 } 18603 } 18604 18605 @Override 18606 public void deleteApplicationCacheFiles(final String packageName, 18607 final IPackageDataObserver observer) { 18608 final int userId = UserHandle.getCallingUserId(); 18609 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 18610 } 18611 18612 @Override 18613 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 18614 final IPackageDataObserver observer) { 18615 mContext.enforceCallingOrSelfPermission( 18616 android.Manifest.permission.DELETE_CACHE_FILES, null); 18617 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18618 /* requireFullPermission= */ true, /* checkShell= */ false, 18619 "delete application cache files"); 18620 18621 final PackageParser.Package pkg; 18622 synchronized (mPackages) { 18623 pkg = mPackages.get(packageName); 18624 } 18625 18626 // Queue up an async operation since the package deletion may take a little while. 18627 mHandler.post(new Runnable() { 18628 public void run() { 18629 synchronized (mInstallLock) { 18630 final int flags = StorageManager.FLAG_STORAGE_DE 18631 | StorageManager.FLAG_STORAGE_CE; 18632 // We're only clearing cache files, so we don't care if the 18633 // app is unfrozen and still able to run 18634 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 18635 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18636 } 18637 clearExternalStorageDataSync(packageName, userId, false); 18638 if (observer != null) { 18639 try { 18640 observer.onRemoveCompleted(packageName, true); 18641 } catch (RemoteException e) { 18642 Log.i(TAG, "Observer no longer exists."); 18643 } 18644 } 18645 } 18646 }); 18647 } 18648 18649 @Override 18650 public void getPackageSizeInfo(final String packageName, int userHandle, 18651 final IPackageStatsObserver observer) { 18652 throw new UnsupportedOperationException( 18653 "Shame on you for calling the hidden API getPackageSizeInfo(). Shame!"); 18654 } 18655 18656 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 18657 final PackageSetting ps; 18658 synchronized (mPackages) { 18659 ps = mSettings.mPackages.get(packageName); 18660 if (ps == null) { 18661 Slog.w(TAG, "Failed to find settings for " + packageName); 18662 return false; 18663 } 18664 } 18665 18666 final String[] packageNames = { packageName }; 18667 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 18668 final String[] codePaths = { ps.codePathString }; 18669 18670 try { 18671 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 18672 ps.appId, ceDataInodes, codePaths, stats); 18673 18674 // For now, ignore code size of packages on system partition 18675 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 18676 stats.codeSize = 0; 18677 } 18678 18679 // External clients expect these to be tracked separately 18680 stats.dataSize -= stats.cacheSize; 18681 18682 } catch (InstallerException e) { 18683 Slog.w(TAG, String.valueOf(e)); 18684 return false; 18685 } 18686 18687 return true; 18688 } 18689 18690 private int getUidTargetSdkVersionLockedLPr(int uid) { 18691 Object obj = mSettings.getUserIdLPr(uid); 18692 if (obj instanceof SharedUserSetting) { 18693 final SharedUserSetting sus = (SharedUserSetting) obj; 18694 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 18695 final Iterator<PackageSetting> it = sus.packages.iterator(); 18696 while (it.hasNext()) { 18697 final PackageSetting ps = it.next(); 18698 if (ps.pkg != null) { 18699 int v = ps.pkg.applicationInfo.targetSdkVersion; 18700 if (v < vers) vers = v; 18701 } 18702 } 18703 return vers; 18704 } else if (obj instanceof PackageSetting) { 18705 final PackageSetting ps = (PackageSetting) obj; 18706 if (ps.pkg != null) { 18707 return ps.pkg.applicationInfo.targetSdkVersion; 18708 } 18709 } 18710 return Build.VERSION_CODES.CUR_DEVELOPMENT; 18711 } 18712 18713 @Override 18714 public void addPreferredActivity(IntentFilter filter, int match, 18715 ComponentName[] set, ComponentName activity, int userId) { 18716 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18717 "Adding preferred"); 18718 } 18719 18720 private void addPreferredActivityInternal(IntentFilter filter, int match, 18721 ComponentName[] set, ComponentName activity, boolean always, int userId, 18722 String opname) { 18723 // writer 18724 int callingUid = Binder.getCallingUid(); 18725 enforceCrossUserPermission(callingUid, userId, 18726 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 18727 if (filter.countActions() == 0) { 18728 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18729 return; 18730 } 18731 synchronized (mPackages) { 18732 if (mContext.checkCallingOrSelfPermission( 18733 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18734 != PackageManager.PERMISSION_GRANTED) { 18735 if (getUidTargetSdkVersionLockedLPr(callingUid) 18736 < Build.VERSION_CODES.FROYO) { 18737 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 18738 + callingUid); 18739 return; 18740 } 18741 mContext.enforceCallingOrSelfPermission( 18742 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18743 } 18744 18745 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 18746 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 18747 + userId + ":"); 18748 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18749 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 18750 scheduleWritePackageRestrictionsLocked(userId); 18751 postPreferredActivityChangedBroadcast(userId); 18752 } 18753 } 18754 18755 private void postPreferredActivityChangedBroadcast(int userId) { 18756 mHandler.post(() -> { 18757 final IActivityManager am = ActivityManager.getService(); 18758 if (am == null) { 18759 return; 18760 } 18761 18762 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 18763 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18764 try { 18765 am.broadcastIntent(null, intent, null, null, 18766 0, null, null, null, android.app.AppOpsManager.OP_NONE, 18767 null, false, false, userId); 18768 } catch (RemoteException e) { 18769 } 18770 }); 18771 } 18772 18773 @Override 18774 public void replacePreferredActivity(IntentFilter filter, int match, 18775 ComponentName[] set, ComponentName activity, int userId) { 18776 if (filter.countActions() != 1) { 18777 throw new IllegalArgumentException( 18778 "replacePreferredActivity expects filter to have only 1 action."); 18779 } 18780 if (filter.countDataAuthorities() != 0 18781 || filter.countDataPaths() != 0 18782 || filter.countDataSchemes() > 1 18783 || filter.countDataTypes() != 0) { 18784 throw new IllegalArgumentException( 18785 "replacePreferredActivity expects filter to have no data authorities, " + 18786 "paths, or types; and at most one scheme."); 18787 } 18788 18789 final int callingUid = Binder.getCallingUid(); 18790 enforceCrossUserPermission(callingUid, userId, 18791 true /* requireFullPermission */, false /* checkShell */, 18792 "replace preferred activity"); 18793 synchronized (mPackages) { 18794 if (mContext.checkCallingOrSelfPermission( 18795 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18796 != PackageManager.PERMISSION_GRANTED) { 18797 if (getUidTargetSdkVersionLockedLPr(callingUid) 18798 < Build.VERSION_CODES.FROYO) { 18799 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 18800 + Binder.getCallingUid()); 18801 return; 18802 } 18803 mContext.enforceCallingOrSelfPermission( 18804 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18805 } 18806 18807 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18808 if (pir != null) { 18809 // Get all of the existing entries that exactly match this filter. 18810 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 18811 if (existing != null && existing.size() == 1) { 18812 PreferredActivity cur = existing.get(0); 18813 if (DEBUG_PREFERRED) { 18814 Slog.i(TAG, "Checking replace of preferred:"); 18815 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18816 if (!cur.mPref.mAlways) { 18817 Slog.i(TAG, " -- CUR; not mAlways!"); 18818 } else { 18819 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 18820 Slog.i(TAG, " -- CUR: mSet=" 18821 + Arrays.toString(cur.mPref.mSetComponents)); 18822 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 18823 Slog.i(TAG, " -- NEW: mMatch=" 18824 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 18825 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 18826 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 18827 } 18828 } 18829 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 18830 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 18831 && cur.mPref.sameSet(set)) { 18832 // Setting the preferred activity to what it happens to be already 18833 if (DEBUG_PREFERRED) { 18834 Slog.i(TAG, "Replacing with same preferred activity " 18835 + cur.mPref.mShortComponent + " for user " 18836 + userId + ":"); 18837 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18838 } 18839 return; 18840 } 18841 } 18842 18843 if (existing != null) { 18844 if (DEBUG_PREFERRED) { 18845 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 18846 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18847 } 18848 for (int i = 0; i < existing.size(); i++) { 18849 PreferredActivity pa = existing.get(i); 18850 if (DEBUG_PREFERRED) { 18851 Slog.i(TAG, "Removing existing preferred activity " 18852 + pa.mPref.mComponent + ":"); 18853 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 18854 } 18855 pir.removeFilter(pa); 18856 } 18857 } 18858 } 18859 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18860 "Replacing preferred"); 18861 } 18862 } 18863 18864 @Override 18865 public void clearPackagePreferredActivities(String packageName) { 18866 final int uid = Binder.getCallingUid(); 18867 // writer 18868 synchronized (mPackages) { 18869 PackageParser.Package pkg = mPackages.get(packageName); 18870 if (pkg == null || pkg.applicationInfo.uid != uid) { 18871 if (mContext.checkCallingOrSelfPermission( 18872 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18873 != PackageManager.PERMISSION_GRANTED) { 18874 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 18875 < Build.VERSION_CODES.FROYO) { 18876 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 18877 + Binder.getCallingUid()); 18878 return; 18879 } 18880 mContext.enforceCallingOrSelfPermission( 18881 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18882 } 18883 } 18884 18885 int user = UserHandle.getCallingUserId(); 18886 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 18887 scheduleWritePackageRestrictionsLocked(user); 18888 } 18889 } 18890 } 18891 18892 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18893 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 18894 ArrayList<PreferredActivity> removed = null; 18895 boolean changed = false; 18896 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18897 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 18898 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18899 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 18900 continue; 18901 } 18902 Iterator<PreferredActivity> it = pir.filterIterator(); 18903 while (it.hasNext()) { 18904 PreferredActivity pa = it.next(); 18905 // Mark entry for removal only if it matches the package name 18906 // and the entry is of type "always". 18907 if (packageName == null || 18908 (pa.mPref.mComponent.getPackageName().equals(packageName) 18909 && pa.mPref.mAlways)) { 18910 if (removed == null) { 18911 removed = new ArrayList<PreferredActivity>(); 18912 } 18913 removed.add(pa); 18914 } 18915 } 18916 if (removed != null) { 18917 for (int j=0; j<removed.size(); j++) { 18918 PreferredActivity pa = removed.get(j); 18919 pir.removeFilter(pa); 18920 } 18921 changed = true; 18922 } 18923 } 18924 if (changed) { 18925 postPreferredActivityChangedBroadcast(userId); 18926 } 18927 return changed; 18928 } 18929 18930 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18931 private void clearIntentFilterVerificationsLPw(int userId) { 18932 final int packageCount = mPackages.size(); 18933 for (int i = 0; i < packageCount; i++) { 18934 PackageParser.Package pkg = mPackages.valueAt(i); 18935 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 18936 } 18937 } 18938 18939 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18940 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 18941 if (userId == UserHandle.USER_ALL) { 18942 if (mSettings.removeIntentFilterVerificationLPw(packageName, 18943 sUserManager.getUserIds())) { 18944 for (int oneUserId : sUserManager.getUserIds()) { 18945 scheduleWritePackageRestrictionsLocked(oneUserId); 18946 } 18947 } 18948 } else { 18949 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 18950 scheduleWritePackageRestrictionsLocked(userId); 18951 } 18952 } 18953 } 18954 18955 void clearDefaultBrowserIfNeeded(String packageName) { 18956 for (int oneUserId : sUserManager.getUserIds()) { 18957 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 18958 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 18959 if (packageName.equals(defaultBrowserPackageName)) { 18960 setDefaultBrowserPackageName(null, oneUserId); 18961 } 18962 } 18963 } 18964 18965 @Override 18966 public void resetApplicationPreferences(int userId) { 18967 mContext.enforceCallingOrSelfPermission( 18968 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18969 final long identity = Binder.clearCallingIdentity(); 18970 // writer 18971 try { 18972 synchronized (mPackages) { 18973 clearPackagePreferredActivitiesLPw(null, userId); 18974 mSettings.applyDefaultPreferredAppsLPw(this, userId); 18975 // TODO: We have to reset the default SMS and Phone. This requires 18976 // significant refactoring to keep all default apps in the package 18977 // manager (cleaner but more work) or have the services provide 18978 // callbacks to the package manager to request a default app reset. 18979 applyFactoryDefaultBrowserLPw(userId); 18980 clearIntentFilterVerificationsLPw(userId); 18981 primeDomainVerificationsLPw(userId); 18982 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 18983 scheduleWritePackageRestrictionsLocked(userId); 18984 } 18985 resetNetworkPolicies(userId); 18986 } finally { 18987 Binder.restoreCallingIdentity(identity); 18988 } 18989 } 18990 18991 @Override 18992 public int getPreferredActivities(List<IntentFilter> outFilters, 18993 List<ComponentName> outActivities, String packageName) { 18994 18995 int num = 0; 18996 final int userId = UserHandle.getCallingUserId(); 18997 // reader 18998 synchronized (mPackages) { 18999 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 19000 if (pir != null) { 19001 final Iterator<PreferredActivity> it = pir.filterIterator(); 19002 while (it.hasNext()) { 19003 final PreferredActivity pa = it.next(); 19004 if (packageName == null 19005 || (pa.mPref.mComponent.getPackageName().equals(packageName) 19006 && pa.mPref.mAlways)) { 19007 if (outFilters != null) { 19008 outFilters.add(new IntentFilter(pa)); 19009 } 19010 if (outActivities != null) { 19011 outActivities.add(pa.mPref.mComponent); 19012 } 19013 } 19014 } 19015 } 19016 } 19017 19018 return num; 19019 } 19020 19021 @Override 19022 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 19023 int userId) { 19024 int callingUid = Binder.getCallingUid(); 19025 if (callingUid != Process.SYSTEM_UID) { 19026 throw new SecurityException( 19027 "addPersistentPreferredActivity can only be run by the system"); 19028 } 19029 if (filter.countActions() == 0) { 19030 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 19031 return; 19032 } 19033 synchronized (mPackages) { 19034 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 19035 ":"); 19036 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19037 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 19038 new PersistentPreferredActivity(filter, activity)); 19039 scheduleWritePackageRestrictionsLocked(userId); 19040 postPreferredActivityChangedBroadcast(userId); 19041 } 19042 } 19043 19044 @Override 19045 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 19046 int callingUid = Binder.getCallingUid(); 19047 if (callingUid != Process.SYSTEM_UID) { 19048 throw new SecurityException( 19049 "clearPackagePersistentPreferredActivities can only be run by the system"); 19050 } 19051 ArrayList<PersistentPreferredActivity> removed = null; 19052 boolean changed = false; 19053 synchronized (mPackages) { 19054 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 19055 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 19056 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 19057 .valueAt(i); 19058 if (userId != thisUserId) { 19059 continue; 19060 } 19061 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 19062 while (it.hasNext()) { 19063 PersistentPreferredActivity ppa = it.next(); 19064 // Mark entry for removal only if it matches the package name. 19065 if (ppa.mComponent.getPackageName().equals(packageName)) { 19066 if (removed == null) { 19067 removed = new ArrayList<PersistentPreferredActivity>(); 19068 } 19069 removed.add(ppa); 19070 } 19071 } 19072 if (removed != null) { 19073 for (int j=0; j<removed.size(); j++) { 19074 PersistentPreferredActivity ppa = removed.get(j); 19075 ppir.removeFilter(ppa); 19076 } 19077 changed = true; 19078 } 19079 } 19080 19081 if (changed) { 19082 scheduleWritePackageRestrictionsLocked(userId); 19083 postPreferredActivityChangedBroadcast(userId); 19084 } 19085 } 19086 } 19087 19088 /** 19089 * Common machinery for picking apart a restored XML blob and passing 19090 * it to a caller-supplied functor to be applied to the running system. 19091 */ 19092 private void restoreFromXml(XmlPullParser parser, int userId, 19093 String expectedStartTag, BlobXmlRestorer functor) 19094 throws IOException, XmlPullParserException { 19095 int type; 19096 while ((type = parser.next()) != XmlPullParser.START_TAG 19097 && type != XmlPullParser.END_DOCUMENT) { 19098 } 19099 if (type != XmlPullParser.START_TAG) { 19100 // oops didn't find a start tag?! 19101 if (DEBUG_BACKUP) { 19102 Slog.e(TAG, "Didn't find start tag during restore"); 19103 } 19104 return; 19105 } 19106Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 19107 // this is supposed to be TAG_PREFERRED_BACKUP 19108 if (!expectedStartTag.equals(parser.getName())) { 19109 if (DEBUG_BACKUP) { 19110 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 19111 } 19112 return; 19113 } 19114 19115 // skip interfering stuff, then we're aligned with the backing implementation 19116 while ((type = parser.next()) == XmlPullParser.TEXT) { } 19117Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 19118 functor.apply(parser, userId); 19119 } 19120 19121 private interface BlobXmlRestorer { 19122 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 19123 } 19124 19125 /** 19126 * Non-Binder method, support for the backup/restore mechanism: write the 19127 * full set of preferred activities in its canonical XML format. Returns the 19128 * XML output as a byte array, or null if there is none. 19129 */ 19130 @Override 19131 public byte[] getPreferredActivityBackup(int userId) { 19132 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19133 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 19134 } 19135 19136 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19137 try { 19138 final XmlSerializer serializer = new FastXmlSerializer(); 19139 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19140 serializer.startDocument(null, true); 19141 serializer.startTag(null, TAG_PREFERRED_BACKUP); 19142 19143 synchronized (mPackages) { 19144 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 19145 } 19146 19147 serializer.endTag(null, TAG_PREFERRED_BACKUP); 19148 serializer.endDocument(); 19149 serializer.flush(); 19150 } catch (Exception e) { 19151 if (DEBUG_BACKUP) { 19152 Slog.e(TAG, "Unable to write preferred activities for backup", e); 19153 } 19154 return null; 19155 } 19156 19157 return dataStream.toByteArray(); 19158 } 19159 19160 @Override 19161 public void restorePreferredActivities(byte[] backup, int userId) { 19162 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19163 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19164 } 19165 19166 try { 19167 final XmlPullParser parser = Xml.newPullParser(); 19168 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19169 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 19170 new BlobXmlRestorer() { 19171 @Override 19172 public void apply(XmlPullParser parser, int userId) 19173 throws XmlPullParserException, IOException { 19174 synchronized (mPackages) { 19175 mSettings.readPreferredActivitiesLPw(parser, userId); 19176 } 19177 } 19178 } ); 19179 } catch (Exception e) { 19180 if (DEBUG_BACKUP) { 19181 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19182 } 19183 } 19184 } 19185 19186 /** 19187 * Non-Binder method, support for the backup/restore mechanism: write the 19188 * default browser (etc) settings in its canonical XML format. Returns the default 19189 * browser XML representation as a byte array, or null if there is none. 19190 */ 19191 @Override 19192 public byte[] getDefaultAppsBackup(int userId) { 19193 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19194 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 19195 } 19196 19197 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19198 try { 19199 final XmlSerializer serializer = new FastXmlSerializer(); 19200 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19201 serializer.startDocument(null, true); 19202 serializer.startTag(null, TAG_DEFAULT_APPS); 19203 19204 synchronized (mPackages) { 19205 mSettings.writeDefaultAppsLPr(serializer, userId); 19206 } 19207 19208 serializer.endTag(null, TAG_DEFAULT_APPS); 19209 serializer.endDocument(); 19210 serializer.flush(); 19211 } catch (Exception e) { 19212 if (DEBUG_BACKUP) { 19213 Slog.e(TAG, "Unable to write default apps for backup", e); 19214 } 19215 return null; 19216 } 19217 19218 return dataStream.toByteArray(); 19219 } 19220 19221 @Override 19222 public void restoreDefaultApps(byte[] backup, int userId) { 19223 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19224 throw new SecurityException("Only the system may call restoreDefaultApps()"); 19225 } 19226 19227 try { 19228 final XmlPullParser parser = Xml.newPullParser(); 19229 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19230 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 19231 new BlobXmlRestorer() { 19232 @Override 19233 public void apply(XmlPullParser parser, int userId) 19234 throws XmlPullParserException, IOException { 19235 synchronized (mPackages) { 19236 mSettings.readDefaultAppsLPw(parser, userId); 19237 } 19238 } 19239 } ); 19240 } catch (Exception e) { 19241 if (DEBUG_BACKUP) { 19242 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 19243 } 19244 } 19245 } 19246 19247 @Override 19248 public byte[] getIntentFilterVerificationBackup(int userId) { 19249 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19250 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 19251 } 19252 19253 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19254 try { 19255 final XmlSerializer serializer = new FastXmlSerializer(); 19256 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19257 serializer.startDocument(null, true); 19258 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 19259 19260 synchronized (mPackages) { 19261 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 19262 } 19263 19264 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 19265 serializer.endDocument(); 19266 serializer.flush(); 19267 } catch (Exception e) { 19268 if (DEBUG_BACKUP) { 19269 Slog.e(TAG, "Unable to write default apps for backup", e); 19270 } 19271 return null; 19272 } 19273 19274 return dataStream.toByteArray(); 19275 } 19276 19277 @Override 19278 public void restoreIntentFilterVerification(byte[] backup, int userId) { 19279 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19280 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19281 } 19282 19283 try { 19284 final XmlPullParser parser = Xml.newPullParser(); 19285 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19286 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 19287 new BlobXmlRestorer() { 19288 @Override 19289 public void apply(XmlPullParser parser, int userId) 19290 throws XmlPullParserException, IOException { 19291 synchronized (mPackages) { 19292 mSettings.readAllDomainVerificationsLPr(parser, userId); 19293 mSettings.writeLPr(); 19294 } 19295 } 19296 } ); 19297 } catch (Exception e) { 19298 if (DEBUG_BACKUP) { 19299 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19300 } 19301 } 19302 } 19303 19304 @Override 19305 public byte[] getPermissionGrantBackup(int userId) { 19306 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19307 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 19308 } 19309 19310 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19311 try { 19312 final XmlSerializer serializer = new FastXmlSerializer(); 19313 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19314 serializer.startDocument(null, true); 19315 serializer.startTag(null, TAG_PERMISSION_BACKUP); 19316 19317 synchronized (mPackages) { 19318 serializeRuntimePermissionGrantsLPr(serializer, userId); 19319 } 19320 19321 serializer.endTag(null, TAG_PERMISSION_BACKUP); 19322 serializer.endDocument(); 19323 serializer.flush(); 19324 } catch (Exception e) { 19325 if (DEBUG_BACKUP) { 19326 Slog.e(TAG, "Unable to write default apps for backup", e); 19327 } 19328 return null; 19329 } 19330 19331 return dataStream.toByteArray(); 19332 } 19333 19334 @Override 19335 public void restorePermissionGrants(byte[] backup, int userId) { 19336 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19337 throw new SecurityException("Only the system may call restorePermissionGrants()"); 19338 } 19339 19340 try { 19341 final XmlPullParser parser = Xml.newPullParser(); 19342 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19343 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 19344 new BlobXmlRestorer() { 19345 @Override 19346 public void apply(XmlPullParser parser, int userId) 19347 throws XmlPullParserException, IOException { 19348 synchronized (mPackages) { 19349 processRestoredPermissionGrantsLPr(parser, userId); 19350 } 19351 } 19352 } ); 19353 } catch (Exception e) { 19354 if (DEBUG_BACKUP) { 19355 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19356 } 19357 } 19358 } 19359 19360 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 19361 throws IOException { 19362 serializer.startTag(null, TAG_ALL_GRANTS); 19363 19364 final int N = mSettings.mPackages.size(); 19365 for (int i = 0; i < N; i++) { 19366 final PackageSetting ps = mSettings.mPackages.valueAt(i); 19367 boolean pkgGrantsKnown = false; 19368 19369 PermissionsState packagePerms = ps.getPermissionsState(); 19370 19371 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 19372 final int grantFlags = state.getFlags(); 19373 // only look at grants that are not system/policy fixed 19374 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 19375 final boolean isGranted = state.isGranted(); 19376 // And only back up the user-twiddled state bits 19377 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 19378 final String packageName = mSettings.mPackages.keyAt(i); 19379 if (!pkgGrantsKnown) { 19380 serializer.startTag(null, TAG_GRANT); 19381 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 19382 pkgGrantsKnown = true; 19383 } 19384 19385 final boolean userSet = 19386 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 19387 final boolean userFixed = 19388 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 19389 final boolean revoke = 19390 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 19391 19392 serializer.startTag(null, TAG_PERMISSION); 19393 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 19394 if (isGranted) { 19395 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 19396 } 19397 if (userSet) { 19398 serializer.attribute(null, ATTR_USER_SET, "true"); 19399 } 19400 if (userFixed) { 19401 serializer.attribute(null, ATTR_USER_FIXED, "true"); 19402 } 19403 if (revoke) { 19404 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 19405 } 19406 serializer.endTag(null, TAG_PERMISSION); 19407 } 19408 } 19409 } 19410 19411 if (pkgGrantsKnown) { 19412 serializer.endTag(null, TAG_GRANT); 19413 } 19414 } 19415 19416 serializer.endTag(null, TAG_ALL_GRANTS); 19417 } 19418 19419 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 19420 throws XmlPullParserException, IOException { 19421 String pkgName = null; 19422 int outerDepth = parser.getDepth(); 19423 int type; 19424 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 19425 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 19426 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 19427 continue; 19428 } 19429 19430 final String tagName = parser.getName(); 19431 if (tagName.equals(TAG_GRANT)) { 19432 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 19433 if (DEBUG_BACKUP) { 19434 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 19435 } 19436 } else if (tagName.equals(TAG_PERMISSION)) { 19437 19438 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 19439 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 19440 19441 int newFlagSet = 0; 19442 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 19443 newFlagSet |= FLAG_PERMISSION_USER_SET; 19444 } 19445 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 19446 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 19447 } 19448 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 19449 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 19450 } 19451 if (DEBUG_BACKUP) { 19452 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 19453 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 19454 } 19455 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19456 if (ps != null) { 19457 // Already installed so we apply the grant immediately 19458 if (DEBUG_BACKUP) { 19459 Slog.v(TAG, " + already installed; applying"); 19460 } 19461 PermissionsState perms = ps.getPermissionsState(); 19462 BasePermission bp = mSettings.mPermissions.get(permName); 19463 if (bp != null) { 19464 if (isGranted) { 19465 perms.grantRuntimePermission(bp, userId); 19466 } 19467 if (newFlagSet != 0) { 19468 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 19469 } 19470 } 19471 } else { 19472 // Need to wait for post-restore install to apply the grant 19473 if (DEBUG_BACKUP) { 19474 Slog.v(TAG, " - not yet installed; saving for later"); 19475 } 19476 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 19477 isGranted, newFlagSet, userId); 19478 } 19479 } else { 19480 PackageManagerService.reportSettingsProblem(Log.WARN, 19481 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 19482 XmlUtils.skipCurrentTag(parser); 19483 } 19484 } 19485 19486 scheduleWriteSettingsLocked(); 19487 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 19488 } 19489 19490 @Override 19491 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 19492 int sourceUserId, int targetUserId, int flags) { 19493 mContext.enforceCallingOrSelfPermission( 19494 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19495 int callingUid = Binder.getCallingUid(); 19496 enforceOwnerRights(ownerPackage, callingUid); 19497 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19498 if (intentFilter.countActions() == 0) { 19499 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 19500 return; 19501 } 19502 synchronized (mPackages) { 19503 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 19504 ownerPackage, targetUserId, flags); 19505 CrossProfileIntentResolver resolver = 19506 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19507 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 19508 // We have all those whose filter is equal. Now checking if the rest is equal as well. 19509 if (existing != null) { 19510 int size = existing.size(); 19511 for (int i = 0; i < size; i++) { 19512 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 19513 return; 19514 } 19515 } 19516 } 19517 resolver.addFilter(newFilter); 19518 scheduleWritePackageRestrictionsLocked(sourceUserId); 19519 } 19520 } 19521 19522 @Override 19523 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 19524 mContext.enforceCallingOrSelfPermission( 19525 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19526 int callingUid = Binder.getCallingUid(); 19527 enforceOwnerRights(ownerPackage, callingUid); 19528 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19529 synchronized (mPackages) { 19530 CrossProfileIntentResolver resolver = 19531 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19532 ArraySet<CrossProfileIntentFilter> set = 19533 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 19534 for (CrossProfileIntentFilter filter : set) { 19535 if (filter.getOwnerPackage().equals(ownerPackage)) { 19536 resolver.removeFilter(filter); 19537 } 19538 } 19539 scheduleWritePackageRestrictionsLocked(sourceUserId); 19540 } 19541 } 19542 19543 // Enforcing that callingUid is owning pkg on userId 19544 private void enforceOwnerRights(String pkg, int callingUid) { 19545 // The system owns everything. 19546 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 19547 return; 19548 } 19549 int callingUserId = UserHandle.getUserId(callingUid); 19550 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 19551 if (pi == null) { 19552 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 19553 + callingUserId); 19554 } 19555 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 19556 throw new SecurityException("Calling uid " + callingUid 19557 + " does not own package " + pkg); 19558 } 19559 } 19560 19561 @Override 19562 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 19563 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 19564 } 19565 19566 /** 19567 * Report the 'Home' activity which is currently set as "always use this one". If non is set 19568 * then reports the most likely home activity or null if there are more than one. 19569 */ 19570 public ComponentName getDefaultHomeActivity(int userId) { 19571 List<ResolveInfo> allHomeCandidates = new ArrayList<>(); 19572 ComponentName cn = getHomeActivitiesAsUser(allHomeCandidates, userId); 19573 if (cn != null) { 19574 return cn; 19575 } 19576 19577 // Find the launcher with the highest priority and return that component if there are no 19578 // other home activity with the same priority. 19579 int lastPriority = Integer.MIN_VALUE; 19580 ComponentName lastComponent = null; 19581 final int size = allHomeCandidates.size(); 19582 for (int i = 0; i < size; i++) { 19583 final ResolveInfo ri = allHomeCandidates.get(i); 19584 if (ri.priority > lastPriority) { 19585 lastComponent = ri.activityInfo.getComponentName(); 19586 lastPriority = ri.priority; 19587 } else if (ri.priority == lastPriority) { 19588 // Two components found with same priority. 19589 lastComponent = null; 19590 } 19591 } 19592 return lastComponent; 19593 } 19594 19595 private Intent getHomeIntent() { 19596 Intent intent = new Intent(Intent.ACTION_MAIN); 19597 intent.addCategory(Intent.CATEGORY_HOME); 19598 intent.addCategory(Intent.CATEGORY_DEFAULT); 19599 return intent; 19600 } 19601 19602 private IntentFilter getHomeFilter() { 19603 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 19604 filter.addCategory(Intent.CATEGORY_HOME); 19605 filter.addCategory(Intent.CATEGORY_DEFAULT); 19606 return filter; 19607 } 19608 19609 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19610 int userId) { 19611 Intent intent = getHomeIntent(); 19612 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 19613 PackageManager.GET_META_DATA, userId); 19614 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 19615 true, false, false, userId); 19616 19617 allHomeCandidates.clear(); 19618 if (list != null) { 19619 for (ResolveInfo ri : list) { 19620 allHomeCandidates.add(ri); 19621 } 19622 } 19623 return (preferred == null || preferred.activityInfo == null) 19624 ? null 19625 : new ComponentName(preferred.activityInfo.packageName, 19626 preferred.activityInfo.name); 19627 } 19628 19629 @Override 19630 public void setHomeActivity(ComponentName comp, int userId) { 19631 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 19632 getHomeActivitiesAsUser(homeActivities, userId); 19633 19634 boolean found = false; 19635 19636 final int size = homeActivities.size(); 19637 final ComponentName[] set = new ComponentName[size]; 19638 for (int i = 0; i < size; i++) { 19639 final ResolveInfo candidate = homeActivities.get(i); 19640 final ActivityInfo info = candidate.activityInfo; 19641 final ComponentName activityName = new ComponentName(info.packageName, info.name); 19642 set[i] = activityName; 19643 if (!found && activityName.equals(comp)) { 19644 found = true; 19645 } 19646 } 19647 if (!found) { 19648 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 19649 + userId); 19650 } 19651 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 19652 set, comp, userId); 19653 } 19654 19655 private @Nullable String getSetupWizardPackageName() { 19656 final Intent intent = new Intent(Intent.ACTION_MAIN); 19657 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 19658 19659 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19660 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19661 | MATCH_DISABLED_COMPONENTS, 19662 UserHandle.myUserId()); 19663 if (matches.size() == 1) { 19664 return matches.get(0).getComponentInfo().packageName; 19665 } else { 19666 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 19667 + ": matches=" + matches); 19668 return null; 19669 } 19670 } 19671 19672 private @Nullable String getStorageManagerPackageName() { 19673 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 19674 19675 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19676 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19677 | MATCH_DISABLED_COMPONENTS, 19678 UserHandle.myUserId()); 19679 if (matches.size() == 1) { 19680 return matches.get(0).getComponentInfo().packageName; 19681 } else { 19682 Slog.e(TAG, "There should probably be exactly one storage manager; found " 19683 + matches.size() + ": matches=" + matches); 19684 return null; 19685 } 19686 } 19687 19688 @Override 19689 public void setApplicationEnabledSetting(String appPackageName, 19690 int newState, int flags, int userId, String callingPackage) { 19691 if (!sUserManager.exists(userId)) return; 19692 if (callingPackage == null) { 19693 callingPackage = Integer.toString(Binder.getCallingUid()); 19694 } 19695 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 19696 } 19697 19698 @Override 19699 public void setUpdateAvailable(String packageName, boolean updateAvailable) { 19700 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 19701 synchronized (mPackages) { 19702 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 19703 if (pkgSetting != null) { 19704 pkgSetting.setUpdateAvailable(updateAvailable); 19705 } 19706 } 19707 } 19708 19709 @Override 19710 public void setComponentEnabledSetting(ComponentName componentName, 19711 int newState, int flags, int userId) { 19712 if (!sUserManager.exists(userId)) return; 19713 setEnabledSetting(componentName.getPackageName(), 19714 componentName.getClassName(), newState, flags, userId, null); 19715 } 19716 19717 private void setEnabledSetting(final String packageName, String className, int newState, 19718 final int flags, int userId, String callingPackage) { 19719 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 19720 || newState == COMPONENT_ENABLED_STATE_ENABLED 19721 || newState == COMPONENT_ENABLED_STATE_DISABLED 19722 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19723 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 19724 throw new IllegalArgumentException("Invalid new component state: " 19725 + newState); 19726 } 19727 PackageSetting pkgSetting; 19728 final int uid = Binder.getCallingUid(); 19729 final int permission; 19730 if (uid == Process.SYSTEM_UID) { 19731 permission = PackageManager.PERMISSION_GRANTED; 19732 } else { 19733 permission = mContext.checkCallingOrSelfPermission( 19734 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19735 } 19736 enforceCrossUserPermission(uid, userId, 19737 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 19738 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19739 boolean sendNow = false; 19740 boolean isApp = (className == null); 19741 String componentName = isApp ? packageName : className; 19742 int packageUid = -1; 19743 ArrayList<String> components; 19744 19745 // writer 19746 synchronized (mPackages) { 19747 pkgSetting = mSettings.mPackages.get(packageName); 19748 if (pkgSetting == null) { 19749 if (className == null) { 19750 throw new IllegalArgumentException("Unknown package: " + packageName); 19751 } 19752 throw new IllegalArgumentException( 19753 "Unknown component: " + packageName + "/" + className); 19754 } 19755 } 19756 19757 // Limit who can change which apps 19758 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 19759 // Don't allow apps that don't have permission to modify other apps 19760 if (!allowedByPermission) { 19761 throw new SecurityException( 19762 "Permission Denial: attempt to change component state from pid=" 19763 + Binder.getCallingPid() 19764 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 19765 } 19766 // Don't allow changing protected packages. 19767 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 19768 throw new SecurityException("Cannot disable a protected package: " + packageName); 19769 } 19770 } 19771 19772 synchronized (mPackages) { 19773 if (uid == Process.SHELL_UID 19774 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 19775 // Shell can only change whole packages between ENABLED and DISABLED_USER states 19776 // unless it is a test package. 19777 int oldState = pkgSetting.getEnabled(userId); 19778 if (className == null 19779 && 19780 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 19781 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 19782 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 19783 && 19784 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19785 || newState == COMPONENT_ENABLED_STATE_DEFAULT 19786 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 19787 // ok 19788 } else { 19789 throw new SecurityException( 19790 "Shell cannot change component state for " + packageName + "/" 19791 + className + " to " + newState); 19792 } 19793 } 19794 if (className == null) { 19795 // We're dealing with an application/package level state change 19796 if (pkgSetting.getEnabled(userId) == newState) { 19797 // Nothing to do 19798 return; 19799 } 19800 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 19801 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 19802 // Don't care about who enables an app. 19803 callingPackage = null; 19804 } 19805 pkgSetting.setEnabled(newState, userId, callingPackage); 19806 // pkgSetting.pkg.mSetEnabled = newState; 19807 } else { 19808 // We're dealing with a component level state change 19809 // First, verify that this is a valid class name. 19810 PackageParser.Package pkg = pkgSetting.pkg; 19811 if (pkg == null || !pkg.hasComponentClassName(className)) { 19812 if (pkg != null && 19813 pkg.applicationInfo.targetSdkVersion >= 19814 Build.VERSION_CODES.JELLY_BEAN) { 19815 throw new IllegalArgumentException("Component class " + className 19816 + " does not exist in " + packageName); 19817 } else { 19818 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 19819 + className + " does not exist in " + packageName); 19820 } 19821 } 19822 switch (newState) { 19823 case COMPONENT_ENABLED_STATE_ENABLED: 19824 if (!pkgSetting.enableComponentLPw(className, userId)) { 19825 return; 19826 } 19827 break; 19828 case COMPONENT_ENABLED_STATE_DISABLED: 19829 if (!pkgSetting.disableComponentLPw(className, userId)) { 19830 return; 19831 } 19832 break; 19833 case COMPONENT_ENABLED_STATE_DEFAULT: 19834 if (!pkgSetting.restoreComponentLPw(className, userId)) { 19835 return; 19836 } 19837 break; 19838 default: 19839 Slog.e(TAG, "Invalid new component state: " + newState); 19840 return; 19841 } 19842 } 19843 scheduleWritePackageRestrictionsLocked(userId); 19844 updateSequenceNumberLP(packageName, new int[] { userId }); 19845 final long callingId = Binder.clearCallingIdentity(); 19846 try { 19847 updateInstantAppInstallerLocked(); 19848 } finally { 19849 Binder.restoreCallingIdentity(callingId); 19850 } 19851 components = mPendingBroadcasts.get(userId, packageName); 19852 final boolean newPackage = components == null; 19853 if (newPackage) { 19854 components = new ArrayList<String>(); 19855 } 19856 if (!components.contains(componentName)) { 19857 components.add(componentName); 19858 } 19859 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 19860 sendNow = true; 19861 // Purge entry from pending broadcast list if another one exists already 19862 // since we are sending one right away. 19863 mPendingBroadcasts.remove(userId, packageName); 19864 } else { 19865 if (newPackage) { 19866 mPendingBroadcasts.put(userId, packageName, components); 19867 } 19868 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 19869 // Schedule a message 19870 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 19871 } 19872 } 19873 } 19874 19875 long callingId = Binder.clearCallingIdentity(); 19876 try { 19877 if (sendNow) { 19878 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 19879 sendPackageChangedBroadcast(packageName, 19880 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 19881 } 19882 } finally { 19883 Binder.restoreCallingIdentity(callingId); 19884 } 19885 } 19886 19887 @Override 19888 public void flushPackageRestrictionsAsUser(int userId) { 19889 if (!sUserManager.exists(userId)) { 19890 return; 19891 } 19892 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 19893 false /* checkShell */, "flushPackageRestrictions"); 19894 synchronized (mPackages) { 19895 mSettings.writePackageRestrictionsLPr(userId); 19896 mDirtyUsers.remove(userId); 19897 if (mDirtyUsers.isEmpty()) { 19898 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 19899 } 19900 } 19901 } 19902 19903 private void sendPackageChangedBroadcast(String packageName, 19904 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 19905 if (DEBUG_INSTALL) 19906 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 19907 + componentNames); 19908 Bundle extras = new Bundle(4); 19909 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 19910 String nameList[] = new String[componentNames.size()]; 19911 componentNames.toArray(nameList); 19912 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 19913 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 19914 extras.putInt(Intent.EXTRA_UID, packageUid); 19915 // If this is not reporting a change of the overall package, then only send it 19916 // to registered receivers. We don't want to launch a swath of apps for every 19917 // little component state change. 19918 final int flags = !componentNames.contains(packageName) 19919 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 19920 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 19921 new int[] {UserHandle.getUserId(packageUid)}); 19922 } 19923 19924 @Override 19925 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 19926 if (!sUserManager.exists(userId)) return; 19927 final int uid = Binder.getCallingUid(); 19928 final int permission = mContext.checkCallingOrSelfPermission( 19929 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19930 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19931 enforceCrossUserPermission(uid, userId, 19932 true /* requireFullPermission */, true /* checkShell */, "stop package"); 19933 // writer 19934 synchronized (mPackages) { 19935 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 19936 allowedByPermission, uid, userId)) { 19937 scheduleWritePackageRestrictionsLocked(userId); 19938 } 19939 } 19940 } 19941 19942 @Override 19943 public String getInstallerPackageName(String packageName) { 19944 // reader 19945 synchronized (mPackages) { 19946 return mSettings.getInstallerPackageNameLPr(packageName); 19947 } 19948 } 19949 19950 public boolean isOrphaned(String packageName) { 19951 // reader 19952 synchronized (mPackages) { 19953 return mSettings.isOrphaned(packageName); 19954 } 19955 } 19956 19957 @Override 19958 public int getApplicationEnabledSetting(String packageName, int userId) { 19959 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19960 int uid = Binder.getCallingUid(); 19961 enforceCrossUserPermission(uid, userId, 19962 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 19963 // reader 19964 synchronized (mPackages) { 19965 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 19966 } 19967 } 19968 19969 @Override 19970 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 19971 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19972 int uid = Binder.getCallingUid(); 19973 enforceCrossUserPermission(uid, userId, 19974 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 19975 // reader 19976 synchronized (mPackages) { 19977 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 19978 } 19979 } 19980 19981 @Override 19982 public void enterSafeMode() { 19983 enforceSystemOrRoot("Only the system can request entering safe mode"); 19984 19985 if (!mSystemReady) { 19986 mSafeMode = true; 19987 } 19988 } 19989 19990 @Override 19991 public void systemReady() { 19992 mSystemReady = true; 19993 19994 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 19995 // disabled after already being started. 19996 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 19997 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 19998 19999 // Read the compatibilty setting when the system is ready. 20000 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 20001 mContext.getContentResolver(), 20002 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 20003 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 20004 if (DEBUG_SETTINGS) { 20005 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 20006 } 20007 20008 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 20009 20010 synchronized (mPackages) { 20011 // Verify that all of the preferred activity components actually 20012 // exist. It is possible for applications to be updated and at 20013 // that point remove a previously declared activity component that 20014 // had been set as a preferred activity. We try to clean this up 20015 // the next time we encounter that preferred activity, but it is 20016 // possible for the user flow to never be able to return to that 20017 // situation so here we do a sanity check to make sure we haven't 20018 // left any junk around. 20019 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 20020 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20021 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20022 removed.clear(); 20023 for (PreferredActivity pa : pir.filterSet()) { 20024 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 20025 removed.add(pa); 20026 } 20027 } 20028 if (removed.size() > 0) { 20029 for (int r=0; r<removed.size(); r++) { 20030 PreferredActivity pa = removed.get(r); 20031 Slog.w(TAG, "Removing dangling preferred activity: " 20032 + pa.mPref.mComponent); 20033 pir.removeFilter(pa); 20034 } 20035 mSettings.writePackageRestrictionsLPr( 20036 mSettings.mPreferredActivities.keyAt(i)); 20037 } 20038 } 20039 20040 for (int userId : UserManagerService.getInstance().getUserIds()) { 20041 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20042 grantPermissionsUserIds = ArrayUtils.appendInt( 20043 grantPermissionsUserIds, userId); 20044 } 20045 } 20046 } 20047 sUserManager.systemReady(); 20048 20049 // If we upgraded grant all default permissions before kicking off. 20050 for (int userId : grantPermissionsUserIds) { 20051 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20052 } 20053 20054 // If we did not grant default permissions, we preload from this the 20055 // default permission exceptions lazily to ensure we don't hit the 20056 // disk on a new user creation. 20057 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 20058 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 20059 } 20060 20061 // Kick off any messages waiting for system ready 20062 if (mPostSystemReadyMessages != null) { 20063 for (Message msg : mPostSystemReadyMessages) { 20064 msg.sendToTarget(); 20065 } 20066 mPostSystemReadyMessages = null; 20067 } 20068 20069 // Watch for external volumes that come and go over time 20070 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20071 storage.registerListener(mStorageListener); 20072 20073 mInstallerService.systemReady(); 20074 mPackageDexOptimizer.systemReady(); 20075 20076 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 20077 StorageManagerInternal.class); 20078 StorageManagerInternal.addExternalStoragePolicy( 20079 new StorageManagerInternal.ExternalStorageMountPolicy() { 20080 @Override 20081 public int getMountMode(int uid, String packageName) { 20082 if (Process.isIsolated(uid)) { 20083 return Zygote.MOUNT_EXTERNAL_NONE; 20084 } 20085 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 20086 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20087 } 20088 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20089 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20090 } 20091 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20092 return Zygote.MOUNT_EXTERNAL_READ; 20093 } 20094 return Zygote.MOUNT_EXTERNAL_WRITE; 20095 } 20096 20097 @Override 20098 public boolean hasExternalStorage(int uid, String packageName) { 20099 return true; 20100 } 20101 }); 20102 20103 // Now that we're mostly running, clean up stale users and apps 20104 sUserManager.reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 20105 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 20106 20107 if (mPrivappPermissionsViolations != null) { 20108 Slog.wtf(TAG,"Signature|privileged permissions not in " 20109 + "privapp-permissions whitelist: " + mPrivappPermissionsViolations); 20110 mPrivappPermissionsViolations = null; 20111 } 20112 } 20113 20114 public void waitForAppDataPrepared() { 20115 if (mPrepareAppDataFuture == null) { 20116 return; 20117 } 20118 ConcurrentUtils.waitForFutureNoInterrupt(mPrepareAppDataFuture, "wait for prepareAppData"); 20119 mPrepareAppDataFuture = null; 20120 } 20121 20122 @Override 20123 public boolean isSafeMode() { 20124 return mSafeMode; 20125 } 20126 20127 @Override 20128 public boolean hasSystemUidErrors() { 20129 return mHasSystemUidErrors; 20130 } 20131 20132 static String arrayToString(int[] array) { 20133 StringBuffer buf = new StringBuffer(128); 20134 buf.append('['); 20135 if (array != null) { 20136 for (int i=0; i<array.length; i++) { 20137 if (i > 0) buf.append(", "); 20138 buf.append(array[i]); 20139 } 20140 } 20141 buf.append(']'); 20142 return buf.toString(); 20143 } 20144 20145 static class DumpState { 20146 public static final int DUMP_LIBS = 1 << 0; 20147 public static final int DUMP_FEATURES = 1 << 1; 20148 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 20149 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 20150 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 20151 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 20152 public static final int DUMP_PERMISSIONS = 1 << 6; 20153 public static final int DUMP_PACKAGES = 1 << 7; 20154 public static final int DUMP_SHARED_USERS = 1 << 8; 20155 public static final int DUMP_MESSAGES = 1 << 9; 20156 public static final int DUMP_PROVIDERS = 1 << 10; 20157 public static final int DUMP_VERIFIERS = 1 << 11; 20158 public static final int DUMP_PREFERRED = 1 << 12; 20159 public static final int DUMP_PREFERRED_XML = 1 << 13; 20160 public static final int DUMP_KEYSETS = 1 << 14; 20161 public static final int DUMP_VERSION = 1 << 15; 20162 public static final int DUMP_INSTALLS = 1 << 16; 20163 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 20164 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 20165 public static final int DUMP_FROZEN = 1 << 19; 20166 public static final int DUMP_DEXOPT = 1 << 20; 20167 public static final int DUMP_COMPILER_STATS = 1 << 21; 20168 public static final int DUMP_ENABLED_OVERLAYS = 1 << 22; 20169 20170 public static final int OPTION_SHOW_FILTERS = 1 << 0; 20171 20172 private int mTypes; 20173 20174 private int mOptions; 20175 20176 private boolean mTitlePrinted; 20177 20178 private SharedUserSetting mSharedUser; 20179 20180 public boolean isDumping(int type) { 20181 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 20182 return true; 20183 } 20184 20185 return (mTypes & type) != 0; 20186 } 20187 20188 public void setDump(int type) { 20189 mTypes |= type; 20190 } 20191 20192 public boolean isOptionEnabled(int option) { 20193 return (mOptions & option) != 0; 20194 } 20195 20196 public void setOptionEnabled(int option) { 20197 mOptions |= option; 20198 } 20199 20200 public boolean onTitlePrinted() { 20201 final boolean printed = mTitlePrinted; 20202 mTitlePrinted = true; 20203 return printed; 20204 } 20205 20206 public boolean getTitlePrinted() { 20207 return mTitlePrinted; 20208 } 20209 20210 public void setTitlePrinted(boolean enabled) { 20211 mTitlePrinted = enabled; 20212 } 20213 20214 public SharedUserSetting getSharedUser() { 20215 return mSharedUser; 20216 } 20217 20218 public void setSharedUser(SharedUserSetting user) { 20219 mSharedUser = user; 20220 } 20221 } 20222 20223 @Override 20224 public void onShellCommand(FileDescriptor in, FileDescriptor out, 20225 FileDescriptor err, String[] args, ShellCallback callback, 20226 ResultReceiver resultReceiver) { 20227 (new PackageManagerShellCommand(this)).exec( 20228 this, in, out, err, args, callback, resultReceiver); 20229 } 20230 20231 @Override 20232 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 20233 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 20234 != PackageManager.PERMISSION_GRANTED) { 20235 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 20236 + Binder.getCallingPid() 20237 + ", uid=" + Binder.getCallingUid() 20238 + " without permission " 20239 + android.Manifest.permission.DUMP); 20240 return; 20241 } 20242 20243 DumpState dumpState = new DumpState(); 20244 boolean fullPreferred = false; 20245 boolean checkin = false; 20246 20247 String packageName = null; 20248 ArraySet<String> permissionNames = null; 20249 20250 int opti = 0; 20251 while (opti < args.length) { 20252 String opt = args[opti]; 20253 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 20254 break; 20255 } 20256 opti++; 20257 20258 if ("-a".equals(opt)) { 20259 // Right now we only know how to print all. 20260 } else if ("-h".equals(opt)) { 20261 pw.println("Package manager dump options:"); 20262 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 20263 pw.println(" --checkin: dump for a checkin"); 20264 pw.println(" -f: print details of intent filters"); 20265 pw.println(" -h: print this help"); 20266 pw.println(" cmd may be one of:"); 20267 pw.println(" l[ibraries]: list known shared libraries"); 20268 pw.println(" f[eatures]: list device features"); 20269 pw.println(" k[eysets]: print known keysets"); 20270 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 20271 pw.println(" perm[issions]: dump permissions"); 20272 pw.println(" permission [name ...]: dump declaration and use of given permission"); 20273 pw.println(" pref[erred]: print preferred package settings"); 20274 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 20275 pw.println(" prov[iders]: dump content providers"); 20276 pw.println(" p[ackages]: dump installed packages"); 20277 pw.println(" s[hared-users]: dump shared user IDs"); 20278 pw.println(" m[essages]: print collected runtime messages"); 20279 pw.println(" v[erifiers]: print package verifier info"); 20280 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 20281 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 20282 pw.println(" version: print database version info"); 20283 pw.println(" write: write current settings now"); 20284 pw.println(" installs: details about install sessions"); 20285 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 20286 pw.println(" dexopt: dump dexopt state"); 20287 pw.println(" compiler-stats: dump compiler statistics"); 20288 pw.println(" enabled-overlays: dump list of enabled overlay packages"); 20289 pw.println(" <package.name>: info about given package"); 20290 return; 20291 } else if ("--checkin".equals(opt)) { 20292 checkin = true; 20293 } else if ("-f".equals(opt)) { 20294 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20295 } else if ("--proto".equals(opt)) { 20296 dumpProto(fd); 20297 return; 20298 } else { 20299 pw.println("Unknown argument: " + opt + "; use -h for help"); 20300 } 20301 } 20302 20303 // Is the caller requesting to dump a particular piece of data? 20304 if (opti < args.length) { 20305 String cmd = args[opti]; 20306 opti++; 20307 // Is this a package name? 20308 if ("android".equals(cmd) || cmd.contains(".")) { 20309 packageName = cmd; 20310 // When dumping a single package, we always dump all of its 20311 // filter information since the amount of data will be reasonable. 20312 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20313 } else if ("check-permission".equals(cmd)) { 20314 if (opti >= args.length) { 20315 pw.println("Error: check-permission missing permission argument"); 20316 return; 20317 } 20318 String perm = args[opti]; 20319 opti++; 20320 if (opti >= args.length) { 20321 pw.println("Error: check-permission missing package argument"); 20322 return; 20323 } 20324 20325 String pkg = args[opti]; 20326 opti++; 20327 int user = UserHandle.getUserId(Binder.getCallingUid()); 20328 if (opti < args.length) { 20329 try { 20330 user = Integer.parseInt(args[opti]); 20331 } catch (NumberFormatException e) { 20332 pw.println("Error: check-permission user argument is not a number: " 20333 + args[opti]); 20334 return; 20335 } 20336 } 20337 20338 // Normalize package name to handle renamed packages and static libs 20339 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 20340 20341 pw.println(checkPermission(perm, pkg, user)); 20342 return; 20343 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 20344 dumpState.setDump(DumpState.DUMP_LIBS); 20345 } else if ("f".equals(cmd) || "features".equals(cmd)) { 20346 dumpState.setDump(DumpState.DUMP_FEATURES); 20347 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 20348 if (opti >= args.length) { 20349 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 20350 | DumpState.DUMP_SERVICE_RESOLVERS 20351 | DumpState.DUMP_RECEIVER_RESOLVERS 20352 | DumpState.DUMP_CONTENT_RESOLVERS); 20353 } else { 20354 while (opti < args.length) { 20355 String name = args[opti]; 20356 if ("a".equals(name) || "activity".equals(name)) { 20357 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 20358 } else if ("s".equals(name) || "service".equals(name)) { 20359 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 20360 } else if ("r".equals(name) || "receiver".equals(name)) { 20361 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 20362 } else if ("c".equals(name) || "content".equals(name)) { 20363 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 20364 } else { 20365 pw.println("Error: unknown resolver table type: " + name); 20366 return; 20367 } 20368 opti++; 20369 } 20370 } 20371 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 20372 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 20373 } else if ("permission".equals(cmd)) { 20374 if (opti >= args.length) { 20375 pw.println("Error: permission requires permission name"); 20376 return; 20377 } 20378 permissionNames = new ArraySet<>(); 20379 while (opti < args.length) { 20380 permissionNames.add(args[opti]); 20381 opti++; 20382 } 20383 dumpState.setDump(DumpState.DUMP_PERMISSIONS 20384 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 20385 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 20386 dumpState.setDump(DumpState.DUMP_PREFERRED); 20387 } else if ("preferred-xml".equals(cmd)) { 20388 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 20389 if (opti < args.length && "--full".equals(args[opti])) { 20390 fullPreferred = true; 20391 opti++; 20392 } 20393 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 20394 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 20395 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 20396 dumpState.setDump(DumpState.DUMP_PACKAGES); 20397 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 20398 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 20399 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 20400 dumpState.setDump(DumpState.DUMP_PROVIDERS); 20401 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 20402 dumpState.setDump(DumpState.DUMP_MESSAGES); 20403 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 20404 dumpState.setDump(DumpState.DUMP_VERIFIERS); 20405 } else if ("i".equals(cmd) || "ifv".equals(cmd) 20406 || "intent-filter-verifiers".equals(cmd)) { 20407 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 20408 } else if ("version".equals(cmd)) { 20409 dumpState.setDump(DumpState.DUMP_VERSION); 20410 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 20411 dumpState.setDump(DumpState.DUMP_KEYSETS); 20412 } else if ("installs".equals(cmd)) { 20413 dumpState.setDump(DumpState.DUMP_INSTALLS); 20414 } else if ("frozen".equals(cmd)) { 20415 dumpState.setDump(DumpState.DUMP_FROZEN); 20416 } else if ("dexopt".equals(cmd)) { 20417 dumpState.setDump(DumpState.DUMP_DEXOPT); 20418 } else if ("compiler-stats".equals(cmd)) { 20419 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 20420 } else if ("enabled-overlays".equals(cmd)) { 20421 dumpState.setDump(DumpState.DUMP_ENABLED_OVERLAYS); 20422 } else if ("write".equals(cmd)) { 20423 synchronized (mPackages) { 20424 mSettings.writeLPr(); 20425 pw.println("Settings written."); 20426 return; 20427 } 20428 } 20429 } 20430 20431 if (checkin) { 20432 pw.println("vers,1"); 20433 } 20434 20435 // reader 20436 synchronized (mPackages) { 20437 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 20438 if (!checkin) { 20439 if (dumpState.onTitlePrinted()) 20440 pw.println(); 20441 pw.println("Database versions:"); 20442 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 20443 } 20444 } 20445 20446 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 20447 if (!checkin) { 20448 if (dumpState.onTitlePrinted()) 20449 pw.println(); 20450 pw.println("Verifiers:"); 20451 pw.print(" Required: "); 20452 pw.print(mRequiredVerifierPackage); 20453 pw.print(" (uid="); 20454 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20455 UserHandle.USER_SYSTEM)); 20456 pw.println(")"); 20457 } else if (mRequiredVerifierPackage != null) { 20458 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 20459 pw.print(","); 20460 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20461 UserHandle.USER_SYSTEM)); 20462 } 20463 } 20464 20465 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 20466 packageName == null) { 20467 if (mIntentFilterVerifierComponent != null) { 20468 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20469 if (!checkin) { 20470 if (dumpState.onTitlePrinted()) 20471 pw.println(); 20472 pw.println("Intent Filter Verifier:"); 20473 pw.print(" Using: "); 20474 pw.print(verifierPackageName); 20475 pw.print(" (uid="); 20476 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20477 UserHandle.USER_SYSTEM)); 20478 pw.println(")"); 20479 } else if (verifierPackageName != null) { 20480 pw.print("ifv,"); pw.print(verifierPackageName); 20481 pw.print(","); 20482 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20483 UserHandle.USER_SYSTEM)); 20484 } 20485 } else { 20486 pw.println(); 20487 pw.println("No Intent Filter Verifier available!"); 20488 } 20489 } 20490 20491 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 20492 boolean printedHeader = false; 20493 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 20494 while (it.hasNext()) { 20495 String libName = it.next(); 20496 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20497 if (versionedLib == null) { 20498 continue; 20499 } 20500 final int versionCount = versionedLib.size(); 20501 for (int i = 0; i < versionCount; i++) { 20502 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 20503 if (!checkin) { 20504 if (!printedHeader) { 20505 if (dumpState.onTitlePrinted()) 20506 pw.println(); 20507 pw.println("Libraries:"); 20508 printedHeader = true; 20509 } 20510 pw.print(" "); 20511 } else { 20512 pw.print("lib,"); 20513 } 20514 pw.print(libEntry.info.getName()); 20515 if (libEntry.info.isStatic()) { 20516 pw.print(" version=" + libEntry.info.getVersion()); 20517 } 20518 if (!checkin) { 20519 pw.print(" -> "); 20520 } 20521 if (libEntry.path != null) { 20522 pw.print(" (jar) "); 20523 pw.print(libEntry.path); 20524 } else { 20525 pw.print(" (apk) "); 20526 pw.print(libEntry.apk); 20527 } 20528 pw.println(); 20529 } 20530 } 20531 } 20532 20533 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 20534 if (dumpState.onTitlePrinted()) 20535 pw.println(); 20536 if (!checkin) { 20537 pw.println("Features:"); 20538 } 20539 20540 synchronized (mAvailableFeatures) { 20541 for (FeatureInfo feat : mAvailableFeatures.values()) { 20542 if (checkin) { 20543 pw.print("feat,"); 20544 pw.print(feat.name); 20545 pw.print(","); 20546 pw.println(feat.version); 20547 } else { 20548 pw.print(" "); 20549 pw.print(feat.name); 20550 if (feat.version > 0) { 20551 pw.print(" version="); 20552 pw.print(feat.version); 20553 } 20554 pw.println(); 20555 } 20556 } 20557 } 20558 } 20559 20560 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 20561 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 20562 : "Activity Resolver Table:", " ", packageName, 20563 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20564 dumpState.setTitlePrinted(true); 20565 } 20566 } 20567 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 20568 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 20569 : "Receiver Resolver Table:", " ", packageName, 20570 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20571 dumpState.setTitlePrinted(true); 20572 } 20573 } 20574 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 20575 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 20576 : "Service Resolver Table:", " ", packageName, 20577 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20578 dumpState.setTitlePrinted(true); 20579 } 20580 } 20581 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 20582 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 20583 : "Provider Resolver Table:", " ", packageName, 20584 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20585 dumpState.setTitlePrinted(true); 20586 } 20587 } 20588 20589 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 20590 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20591 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20592 int user = mSettings.mPreferredActivities.keyAt(i); 20593 if (pir.dump(pw, 20594 dumpState.getTitlePrinted() 20595 ? "\nPreferred Activities User " + user + ":" 20596 : "Preferred Activities User " + user + ":", " ", 20597 packageName, true, false)) { 20598 dumpState.setTitlePrinted(true); 20599 } 20600 } 20601 } 20602 20603 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 20604 pw.flush(); 20605 FileOutputStream fout = new FileOutputStream(fd); 20606 BufferedOutputStream str = new BufferedOutputStream(fout); 20607 XmlSerializer serializer = new FastXmlSerializer(); 20608 try { 20609 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 20610 serializer.startDocument(null, true); 20611 serializer.setFeature( 20612 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 20613 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 20614 serializer.endDocument(); 20615 serializer.flush(); 20616 } catch (IllegalArgumentException e) { 20617 pw.println("Failed writing: " + e); 20618 } catch (IllegalStateException e) { 20619 pw.println("Failed writing: " + e); 20620 } catch (IOException e) { 20621 pw.println("Failed writing: " + e); 20622 } 20623 } 20624 20625 if (!checkin 20626 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 20627 && packageName == null) { 20628 pw.println(); 20629 int count = mSettings.mPackages.size(); 20630 if (count == 0) { 20631 pw.println("No applications!"); 20632 pw.println(); 20633 } else { 20634 final String prefix = " "; 20635 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 20636 if (allPackageSettings.size() == 0) { 20637 pw.println("No domain preferred apps!"); 20638 pw.println(); 20639 } else { 20640 pw.println("App verification status:"); 20641 pw.println(); 20642 count = 0; 20643 for (PackageSetting ps : allPackageSettings) { 20644 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 20645 if (ivi == null || ivi.getPackageName() == null) continue; 20646 pw.println(prefix + "Package: " + ivi.getPackageName()); 20647 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 20648 pw.println(prefix + "Status: " + ivi.getStatusString()); 20649 pw.println(); 20650 count++; 20651 } 20652 if (count == 0) { 20653 pw.println(prefix + "No app verification established."); 20654 pw.println(); 20655 } 20656 for (int userId : sUserManager.getUserIds()) { 20657 pw.println("App linkages for user " + userId + ":"); 20658 pw.println(); 20659 count = 0; 20660 for (PackageSetting ps : allPackageSettings) { 20661 final long status = ps.getDomainVerificationStatusForUser(userId); 20662 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 20663 && !DEBUG_DOMAIN_VERIFICATION) { 20664 continue; 20665 } 20666 pw.println(prefix + "Package: " + ps.name); 20667 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 20668 String statusStr = IntentFilterVerificationInfo. 20669 getStatusStringFromValue(status); 20670 pw.println(prefix + "Status: " + statusStr); 20671 pw.println(); 20672 count++; 20673 } 20674 if (count == 0) { 20675 pw.println(prefix + "No configured app linkages."); 20676 pw.println(); 20677 } 20678 } 20679 } 20680 } 20681 } 20682 20683 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 20684 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 20685 if (packageName == null && permissionNames == null) { 20686 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 20687 if (iperm == 0) { 20688 if (dumpState.onTitlePrinted()) 20689 pw.println(); 20690 pw.println("AppOp Permissions:"); 20691 } 20692 pw.print(" AppOp Permission "); 20693 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 20694 pw.println(":"); 20695 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 20696 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 20697 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 20698 } 20699 } 20700 } 20701 } 20702 20703 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 20704 boolean printedSomething = false; 20705 for (PackageParser.Provider p : mProviders.mProviders.values()) { 20706 if (packageName != null && !packageName.equals(p.info.packageName)) { 20707 continue; 20708 } 20709 if (!printedSomething) { 20710 if (dumpState.onTitlePrinted()) 20711 pw.println(); 20712 pw.println("Registered ContentProviders:"); 20713 printedSomething = true; 20714 } 20715 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 20716 pw.print(" "); pw.println(p.toString()); 20717 } 20718 printedSomething = false; 20719 for (Map.Entry<String, PackageParser.Provider> entry : 20720 mProvidersByAuthority.entrySet()) { 20721 PackageParser.Provider p = entry.getValue(); 20722 if (packageName != null && !packageName.equals(p.info.packageName)) { 20723 continue; 20724 } 20725 if (!printedSomething) { 20726 if (dumpState.onTitlePrinted()) 20727 pw.println(); 20728 pw.println("ContentProvider Authorities:"); 20729 printedSomething = true; 20730 } 20731 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 20732 pw.print(" "); pw.println(p.toString()); 20733 if (p.info != null && p.info.applicationInfo != null) { 20734 final String appInfo = p.info.applicationInfo.toString(); 20735 pw.print(" applicationInfo="); pw.println(appInfo); 20736 } 20737 } 20738 } 20739 20740 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 20741 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 20742 } 20743 20744 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 20745 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 20746 } 20747 20748 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 20749 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 20750 } 20751 20752 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 20753 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 20754 } 20755 20756 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 20757 // XXX should handle packageName != null by dumping only install data that 20758 // the given package is involved with. 20759 if (dumpState.onTitlePrinted()) pw.println(); 20760 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 20761 } 20762 20763 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 20764 // XXX should handle packageName != null by dumping only install data that 20765 // the given package is involved with. 20766 if (dumpState.onTitlePrinted()) pw.println(); 20767 20768 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20769 ipw.println(); 20770 ipw.println("Frozen packages:"); 20771 ipw.increaseIndent(); 20772 if (mFrozenPackages.size() == 0) { 20773 ipw.println("(none)"); 20774 } else { 20775 for (int i = 0; i < mFrozenPackages.size(); i++) { 20776 ipw.println(mFrozenPackages.valueAt(i)); 20777 } 20778 } 20779 ipw.decreaseIndent(); 20780 } 20781 20782 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 20783 if (dumpState.onTitlePrinted()) pw.println(); 20784 dumpDexoptStateLPr(pw, packageName); 20785 } 20786 20787 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 20788 if (dumpState.onTitlePrinted()) pw.println(); 20789 dumpCompilerStatsLPr(pw, packageName); 20790 } 20791 20792 if (!checkin && dumpState.isDumping(DumpState.DUMP_ENABLED_OVERLAYS)) { 20793 if (dumpState.onTitlePrinted()) pw.println(); 20794 dumpEnabledOverlaysLPr(pw); 20795 } 20796 20797 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 20798 if (dumpState.onTitlePrinted()) pw.println(); 20799 mSettings.dumpReadMessagesLPr(pw, dumpState); 20800 20801 pw.println(); 20802 pw.println("Package warning messages:"); 20803 BufferedReader in = null; 20804 String line = null; 20805 try { 20806 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20807 while ((line = in.readLine()) != null) { 20808 if (line.contains("ignored: updated version")) continue; 20809 pw.println(line); 20810 } 20811 } catch (IOException ignored) { 20812 } finally { 20813 IoUtils.closeQuietly(in); 20814 } 20815 } 20816 20817 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 20818 BufferedReader in = null; 20819 String line = null; 20820 try { 20821 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20822 while ((line = in.readLine()) != null) { 20823 if (line.contains("ignored: updated version")) continue; 20824 pw.print("msg,"); 20825 pw.println(line); 20826 } 20827 } catch (IOException ignored) { 20828 } finally { 20829 IoUtils.closeQuietly(in); 20830 } 20831 } 20832 } 20833 } 20834 20835 private void dumpProto(FileDescriptor fd) { 20836 final ProtoOutputStream proto = new ProtoOutputStream(fd); 20837 20838 synchronized (mPackages) { 20839 final long requiredVerifierPackageToken = 20840 proto.start(PackageServiceDumpProto.REQUIRED_VERIFIER_PACKAGE); 20841 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, mRequiredVerifierPackage); 20842 proto.write( 20843 PackageServiceDumpProto.PackageShortProto.UID, 20844 getPackageUid( 20845 mRequiredVerifierPackage, 20846 MATCH_DEBUG_TRIAGED_MISSING, 20847 UserHandle.USER_SYSTEM)); 20848 proto.end(requiredVerifierPackageToken); 20849 20850 if (mIntentFilterVerifierComponent != null) { 20851 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20852 final long verifierPackageToken = 20853 proto.start(PackageServiceDumpProto.VERIFIER_PACKAGE); 20854 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, verifierPackageName); 20855 proto.write( 20856 PackageServiceDumpProto.PackageShortProto.UID, 20857 getPackageUid( 20858 verifierPackageName, 20859 MATCH_DEBUG_TRIAGED_MISSING, 20860 UserHandle.USER_SYSTEM)); 20861 proto.end(verifierPackageToken); 20862 } 20863 20864 dumpSharedLibrariesProto(proto); 20865 dumpFeaturesProto(proto); 20866 mSettings.dumpPackagesProto(proto); 20867 mSettings.dumpSharedUsersProto(proto); 20868 dumpMessagesProto(proto); 20869 } 20870 proto.flush(); 20871 } 20872 20873 private void dumpMessagesProto(ProtoOutputStream proto) { 20874 BufferedReader in = null; 20875 String line = null; 20876 try { 20877 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20878 while ((line = in.readLine()) != null) { 20879 if (line.contains("ignored: updated version")) continue; 20880 proto.write(PackageServiceDumpProto.MESSAGES, line); 20881 } 20882 } catch (IOException ignored) { 20883 } finally { 20884 IoUtils.closeQuietly(in); 20885 } 20886 } 20887 20888 private void dumpFeaturesProto(ProtoOutputStream proto) { 20889 synchronized (mAvailableFeatures) { 20890 final int count = mAvailableFeatures.size(); 20891 for (int i = 0; i < count; i++) { 20892 final FeatureInfo feat = mAvailableFeatures.valueAt(i); 20893 final long featureToken = proto.start(PackageServiceDumpProto.FEATURES); 20894 proto.write(PackageServiceDumpProto.FeatureProto.NAME, feat.name); 20895 proto.write(PackageServiceDumpProto.FeatureProto.VERSION, feat.version); 20896 proto.end(featureToken); 20897 } 20898 } 20899 } 20900 20901 private void dumpSharedLibrariesProto(ProtoOutputStream proto) { 20902 final int count = mSharedLibraries.size(); 20903 for (int i = 0; i < count; i++) { 20904 final String libName = mSharedLibraries.keyAt(i); 20905 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20906 if (versionedLib == null) { 20907 continue; 20908 } 20909 final int versionCount = versionedLib.size(); 20910 for (int j = 0; j < versionCount; j++) { 20911 final SharedLibraryEntry libEntry = versionedLib.valueAt(j); 20912 final long sharedLibraryToken = 20913 proto.start(PackageServiceDumpProto.SHARED_LIBRARIES); 20914 proto.write(PackageServiceDumpProto.SharedLibraryProto.NAME, libEntry.info.getName()); 20915 final boolean isJar = (libEntry.path != null); 20916 proto.write(PackageServiceDumpProto.SharedLibraryProto.IS_JAR, isJar); 20917 if (isJar) { 20918 proto.write(PackageServiceDumpProto.SharedLibraryProto.PATH, libEntry.path); 20919 } else { 20920 proto.write(PackageServiceDumpProto.SharedLibraryProto.APK, libEntry.apk); 20921 } 20922 proto.end(sharedLibraryToken); 20923 } 20924 } 20925 } 20926 20927 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 20928 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20929 ipw.println(); 20930 ipw.println("Dexopt state:"); 20931 ipw.increaseIndent(); 20932 Collection<PackageParser.Package> packages = null; 20933 if (packageName != null) { 20934 PackageParser.Package targetPackage = mPackages.get(packageName); 20935 if (targetPackage != null) { 20936 packages = Collections.singletonList(targetPackage); 20937 } else { 20938 ipw.println("Unable to find package: " + packageName); 20939 return; 20940 } 20941 } else { 20942 packages = mPackages.values(); 20943 } 20944 20945 for (PackageParser.Package pkg : packages) { 20946 ipw.println("[" + pkg.packageName + "]"); 20947 ipw.increaseIndent(); 20948 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 20949 ipw.decreaseIndent(); 20950 } 20951 } 20952 20953 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 20954 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20955 ipw.println(); 20956 ipw.println("Compiler stats:"); 20957 ipw.increaseIndent(); 20958 Collection<PackageParser.Package> packages = null; 20959 if (packageName != null) { 20960 PackageParser.Package targetPackage = mPackages.get(packageName); 20961 if (targetPackage != null) { 20962 packages = Collections.singletonList(targetPackage); 20963 } else { 20964 ipw.println("Unable to find package: " + packageName); 20965 return; 20966 } 20967 } else { 20968 packages = mPackages.values(); 20969 } 20970 20971 for (PackageParser.Package pkg : packages) { 20972 ipw.println("[" + pkg.packageName + "]"); 20973 ipw.increaseIndent(); 20974 20975 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 20976 if (stats == null) { 20977 ipw.println("(No recorded stats)"); 20978 } else { 20979 stats.dump(ipw); 20980 } 20981 ipw.decreaseIndent(); 20982 } 20983 } 20984 20985 private void dumpEnabledOverlaysLPr(PrintWriter pw) { 20986 pw.println("Enabled overlay paths:"); 20987 final int N = mEnabledOverlayPaths.size(); 20988 for (int i = 0; i < N; i++) { 20989 final int userId = mEnabledOverlayPaths.keyAt(i); 20990 pw.println(String.format(" User %d:", userId)); 20991 final ArrayMap<String, ArrayList<String>> userSpecificOverlays = 20992 mEnabledOverlayPaths.valueAt(i); 20993 final int M = userSpecificOverlays.size(); 20994 for (int j = 0; j < M; j++) { 20995 final String targetPackageName = userSpecificOverlays.keyAt(j); 20996 final ArrayList<String> overlayPackagePaths = userSpecificOverlays.valueAt(j); 20997 pw.println(String.format(" %s: %s", targetPackageName, overlayPackagePaths)); 20998 } 20999 } 21000 } 21001 21002 private String dumpDomainString(String packageName) { 21003 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 21004 .getList(); 21005 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 21006 21007 ArraySet<String> result = new ArraySet<>(); 21008 if (iviList.size() > 0) { 21009 for (IntentFilterVerificationInfo ivi : iviList) { 21010 for (String host : ivi.getDomains()) { 21011 result.add(host); 21012 } 21013 } 21014 } 21015 if (filters != null && filters.size() > 0) { 21016 for (IntentFilter filter : filters) { 21017 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 21018 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 21019 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 21020 result.addAll(filter.getHostsList()); 21021 } 21022 } 21023 } 21024 21025 StringBuilder sb = new StringBuilder(result.size() * 16); 21026 for (String domain : result) { 21027 if (sb.length() > 0) sb.append(" "); 21028 sb.append(domain); 21029 } 21030 return sb.toString(); 21031 } 21032 21033 // ------- apps on sdcard specific code ------- 21034 static final boolean DEBUG_SD_INSTALL = false; 21035 21036 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 21037 21038 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 21039 21040 private boolean mMediaMounted = false; 21041 21042 static String getEncryptKey() { 21043 try { 21044 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 21045 SD_ENCRYPTION_KEYSTORE_NAME); 21046 if (sdEncKey == null) { 21047 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 21048 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 21049 if (sdEncKey == null) { 21050 Slog.e(TAG, "Failed to create encryption keys"); 21051 return null; 21052 } 21053 } 21054 return sdEncKey; 21055 } catch (NoSuchAlgorithmException nsae) { 21056 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 21057 return null; 21058 } catch (IOException ioe) { 21059 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 21060 return null; 21061 } 21062 } 21063 21064 /* 21065 * Update media status on PackageManager. 21066 */ 21067 @Override 21068 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 21069 int callingUid = Binder.getCallingUid(); 21070 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 21071 throw new SecurityException("Media status can only be updated by the system"); 21072 } 21073 // reader; this apparently protects mMediaMounted, but should probably 21074 // be a different lock in that case. 21075 synchronized (mPackages) { 21076 Log.i(TAG, "Updating external media status from " 21077 + (mMediaMounted ? "mounted" : "unmounted") + " to " 21078 + (mediaStatus ? "mounted" : "unmounted")); 21079 if (DEBUG_SD_INSTALL) 21080 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 21081 + ", mMediaMounted=" + mMediaMounted); 21082 if (mediaStatus == mMediaMounted) { 21083 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 21084 : 0, -1); 21085 mHandler.sendMessage(msg); 21086 return; 21087 } 21088 mMediaMounted = mediaStatus; 21089 } 21090 // Queue up an async operation since the package installation may take a 21091 // little while. 21092 mHandler.post(new Runnable() { 21093 public void run() { 21094 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 21095 } 21096 }); 21097 } 21098 21099 /** 21100 * Called by StorageManagerService when the initial ASECs to scan are available. 21101 * Should block until all the ASEC containers are finished being scanned. 21102 */ 21103 public void scanAvailableAsecs() { 21104 updateExternalMediaStatusInner(true, false, false); 21105 } 21106 21107 /* 21108 * Collect information of applications on external media, map them against 21109 * existing containers and update information based on current mount status. 21110 * Please note that we always have to report status if reportStatus has been 21111 * set to true especially when unloading packages. 21112 */ 21113 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 21114 boolean externalStorage) { 21115 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 21116 int[] uidArr = EmptyArray.INT; 21117 21118 final String[] list = PackageHelper.getSecureContainerList(); 21119 if (ArrayUtils.isEmpty(list)) { 21120 Log.i(TAG, "No secure containers found"); 21121 } else { 21122 // Process list of secure containers and categorize them 21123 // as active or stale based on their package internal state. 21124 21125 // reader 21126 synchronized (mPackages) { 21127 for (String cid : list) { 21128 // Leave stages untouched for now; installer service owns them 21129 if (PackageInstallerService.isStageName(cid)) continue; 21130 21131 if (DEBUG_SD_INSTALL) 21132 Log.i(TAG, "Processing container " + cid); 21133 String pkgName = getAsecPackageName(cid); 21134 if (pkgName == null) { 21135 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 21136 continue; 21137 } 21138 if (DEBUG_SD_INSTALL) 21139 Log.i(TAG, "Looking for pkg : " + pkgName); 21140 21141 final PackageSetting ps = mSettings.mPackages.get(pkgName); 21142 if (ps == null) { 21143 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 21144 continue; 21145 } 21146 21147 /* 21148 * Skip packages that are not external if we're unmounting 21149 * external storage. 21150 */ 21151 if (externalStorage && !isMounted && !isExternal(ps)) { 21152 continue; 21153 } 21154 21155 final AsecInstallArgs args = new AsecInstallArgs(cid, 21156 getAppDexInstructionSets(ps), ps.isForwardLocked()); 21157 // The package status is changed only if the code path 21158 // matches between settings and the container id. 21159 if (ps.codePathString != null 21160 && ps.codePathString.startsWith(args.getCodePath())) { 21161 if (DEBUG_SD_INSTALL) { 21162 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 21163 + " at code path: " + ps.codePathString); 21164 } 21165 21166 // We do have a valid package installed on sdcard 21167 processCids.put(args, ps.codePathString); 21168 final int uid = ps.appId; 21169 if (uid != -1) { 21170 uidArr = ArrayUtils.appendInt(uidArr, uid); 21171 } 21172 } else { 21173 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 21174 + ps.codePathString); 21175 } 21176 } 21177 } 21178 21179 Arrays.sort(uidArr); 21180 } 21181 21182 // Process packages with valid entries. 21183 if (isMounted) { 21184 if (DEBUG_SD_INSTALL) 21185 Log.i(TAG, "Loading packages"); 21186 loadMediaPackages(processCids, uidArr, externalStorage); 21187 startCleaningPackages(); 21188 mInstallerService.onSecureContainersAvailable(); 21189 } else { 21190 if (DEBUG_SD_INSTALL) 21191 Log.i(TAG, "Unloading packages"); 21192 unloadMediaPackages(processCids, uidArr, reportStatus); 21193 } 21194 } 21195 21196 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21197 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 21198 final int size = infos.size(); 21199 final String[] packageNames = new String[size]; 21200 final int[] packageUids = new int[size]; 21201 for (int i = 0; i < size; i++) { 21202 final ApplicationInfo info = infos.get(i); 21203 packageNames[i] = info.packageName; 21204 packageUids[i] = info.uid; 21205 } 21206 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 21207 finishedReceiver); 21208 } 21209 21210 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21211 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21212 sendResourcesChangedBroadcast(mediaStatus, replacing, 21213 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 21214 } 21215 21216 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21217 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21218 int size = pkgList.length; 21219 if (size > 0) { 21220 // Send broadcasts here 21221 Bundle extras = new Bundle(); 21222 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 21223 if (uidArr != null) { 21224 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 21225 } 21226 if (replacing) { 21227 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 21228 } 21229 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 21230 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 21231 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 21232 } 21233 } 21234 21235 /* 21236 * Look at potentially valid container ids from processCids If package 21237 * information doesn't match the one on record or package scanning fails, 21238 * the cid is added to list of removeCids. We currently don't delete stale 21239 * containers. 21240 */ 21241 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 21242 boolean externalStorage) { 21243 ArrayList<String> pkgList = new ArrayList<String>(); 21244 Set<AsecInstallArgs> keys = processCids.keySet(); 21245 21246 for (AsecInstallArgs args : keys) { 21247 String codePath = processCids.get(args); 21248 if (DEBUG_SD_INSTALL) 21249 Log.i(TAG, "Loading container : " + args.cid); 21250 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 21251 try { 21252 // Make sure there are no container errors first. 21253 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 21254 Slog.e(TAG, "Failed to mount cid : " + args.cid 21255 + " when installing from sdcard"); 21256 continue; 21257 } 21258 // Check code path here. 21259 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 21260 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 21261 + " does not match one in settings " + codePath); 21262 continue; 21263 } 21264 // Parse package 21265 int parseFlags = mDefParseFlags; 21266 if (args.isExternalAsec()) { 21267 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 21268 } 21269 if (args.isFwdLocked()) { 21270 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 21271 } 21272 21273 synchronized (mInstallLock) { 21274 PackageParser.Package pkg = null; 21275 try { 21276 // Sadly we don't know the package name yet to freeze it 21277 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 21278 SCAN_IGNORE_FROZEN, 0, null); 21279 } catch (PackageManagerException e) { 21280 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 21281 } 21282 // Scan the package 21283 if (pkg != null) { 21284 /* 21285 * TODO why is the lock being held? doPostInstall is 21286 * called in other places without the lock. This needs 21287 * to be straightened out. 21288 */ 21289 // writer 21290 synchronized (mPackages) { 21291 retCode = PackageManager.INSTALL_SUCCEEDED; 21292 pkgList.add(pkg.packageName); 21293 // Post process args 21294 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 21295 pkg.applicationInfo.uid); 21296 } 21297 } else { 21298 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 21299 } 21300 } 21301 21302 } finally { 21303 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 21304 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 21305 } 21306 } 21307 } 21308 // writer 21309 synchronized (mPackages) { 21310 // If the platform SDK has changed since the last time we booted, 21311 // we need to re-grant app permission to catch any new ones that 21312 // appear. This is really a hack, and means that apps can in some 21313 // cases get permissions that the user didn't initially explicitly 21314 // allow... it would be nice to have some better way to handle 21315 // this situation. 21316 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 21317 : mSettings.getInternalVersion(); 21318 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 21319 : StorageManager.UUID_PRIVATE_INTERNAL; 21320 21321 int updateFlags = UPDATE_PERMISSIONS_ALL; 21322 if (ver.sdkVersion != mSdkVersion) { 21323 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21324 + mSdkVersion + "; regranting permissions for external"); 21325 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21326 } 21327 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21328 21329 // Yay, everything is now upgraded 21330 ver.forceCurrent(); 21331 21332 // can downgrade to reader 21333 // Persist settings 21334 mSettings.writeLPr(); 21335 } 21336 // Send a broadcast to let everyone know we are done processing 21337 if (pkgList.size() > 0) { 21338 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 21339 } 21340 } 21341 21342 /* 21343 * Utility method to unload a list of specified containers 21344 */ 21345 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 21346 // Just unmount all valid containers. 21347 for (AsecInstallArgs arg : cidArgs) { 21348 synchronized (mInstallLock) { 21349 arg.doPostDeleteLI(false); 21350 } 21351 } 21352 } 21353 21354 /* 21355 * Unload packages mounted on external media. This involves deleting package 21356 * data from internal structures, sending broadcasts about disabled packages, 21357 * gc'ing to free up references, unmounting all secure containers 21358 * corresponding to packages on external media, and posting a 21359 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 21360 * that we always have to post this message if status has been requested no 21361 * matter what. 21362 */ 21363 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 21364 final boolean reportStatus) { 21365 if (DEBUG_SD_INSTALL) 21366 Log.i(TAG, "unloading media packages"); 21367 ArrayList<String> pkgList = new ArrayList<String>(); 21368 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 21369 final Set<AsecInstallArgs> keys = processCids.keySet(); 21370 for (AsecInstallArgs args : keys) { 21371 String pkgName = args.getPackageName(); 21372 if (DEBUG_SD_INSTALL) 21373 Log.i(TAG, "Trying to unload pkg : " + pkgName); 21374 // Delete package internally 21375 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21376 synchronized (mInstallLock) { 21377 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21378 final boolean res; 21379 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 21380 "unloadMediaPackages")) { 21381 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 21382 null); 21383 } 21384 if (res) { 21385 pkgList.add(pkgName); 21386 } else { 21387 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 21388 failedList.add(args); 21389 } 21390 } 21391 } 21392 21393 // reader 21394 synchronized (mPackages) { 21395 // We didn't update the settings after removing each package; 21396 // write them now for all packages. 21397 mSettings.writeLPr(); 21398 } 21399 21400 // We have to absolutely send UPDATED_MEDIA_STATUS only 21401 // after confirming that all the receivers processed the ordered 21402 // broadcast when packages get disabled, force a gc to clean things up. 21403 // and unload all the containers. 21404 if (pkgList.size() > 0) { 21405 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 21406 new IIntentReceiver.Stub() { 21407 public void performReceive(Intent intent, int resultCode, String data, 21408 Bundle extras, boolean ordered, boolean sticky, 21409 int sendingUser) throws RemoteException { 21410 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 21411 reportStatus ? 1 : 0, 1, keys); 21412 mHandler.sendMessage(msg); 21413 } 21414 }); 21415 } else { 21416 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 21417 keys); 21418 mHandler.sendMessage(msg); 21419 } 21420 } 21421 21422 private void loadPrivatePackages(final VolumeInfo vol) { 21423 mHandler.post(new Runnable() { 21424 @Override 21425 public void run() { 21426 loadPrivatePackagesInner(vol); 21427 } 21428 }); 21429 } 21430 21431 private void loadPrivatePackagesInner(VolumeInfo vol) { 21432 final String volumeUuid = vol.fsUuid; 21433 if (TextUtils.isEmpty(volumeUuid)) { 21434 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 21435 return; 21436 } 21437 21438 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 21439 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 21440 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 21441 21442 final VersionInfo ver; 21443 final List<PackageSetting> packages; 21444 synchronized (mPackages) { 21445 ver = mSettings.findOrCreateVersion(volumeUuid); 21446 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21447 } 21448 21449 for (PackageSetting ps : packages) { 21450 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 21451 synchronized (mInstallLock) { 21452 final PackageParser.Package pkg; 21453 try { 21454 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 21455 loaded.add(pkg.applicationInfo); 21456 21457 } catch (PackageManagerException e) { 21458 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 21459 } 21460 21461 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 21462 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 21463 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 21464 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 21465 } 21466 } 21467 } 21468 21469 // Reconcile app data for all started/unlocked users 21470 final StorageManager sm = mContext.getSystemService(StorageManager.class); 21471 final UserManager um = mContext.getSystemService(UserManager.class); 21472 UserManagerInternal umInternal = getUserManagerInternal(); 21473 for (UserInfo user : um.getUsers()) { 21474 final int flags; 21475 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21476 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21477 } else if (umInternal.isUserRunning(user.id)) { 21478 flags = StorageManager.FLAG_STORAGE_DE; 21479 } else { 21480 continue; 21481 } 21482 21483 try { 21484 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 21485 synchronized (mInstallLock) { 21486 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 21487 } 21488 } catch (IllegalStateException e) { 21489 // Device was probably ejected, and we'll process that event momentarily 21490 Slog.w(TAG, "Failed to prepare storage: " + e); 21491 } 21492 } 21493 21494 synchronized (mPackages) { 21495 int updateFlags = UPDATE_PERMISSIONS_ALL; 21496 if (ver.sdkVersion != mSdkVersion) { 21497 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21498 + mSdkVersion + "; regranting permissions for " + volumeUuid); 21499 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21500 } 21501 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21502 21503 // Yay, everything is now upgraded 21504 ver.forceCurrent(); 21505 21506 mSettings.writeLPr(); 21507 } 21508 21509 for (PackageFreezer freezer : freezers) { 21510 freezer.close(); 21511 } 21512 21513 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 21514 sendResourcesChangedBroadcast(true, false, loaded, null); 21515 } 21516 21517 private void unloadPrivatePackages(final VolumeInfo vol) { 21518 mHandler.post(new Runnable() { 21519 @Override 21520 public void run() { 21521 unloadPrivatePackagesInner(vol); 21522 } 21523 }); 21524 } 21525 21526 private void unloadPrivatePackagesInner(VolumeInfo vol) { 21527 final String volumeUuid = vol.fsUuid; 21528 if (TextUtils.isEmpty(volumeUuid)) { 21529 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 21530 return; 21531 } 21532 21533 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 21534 synchronized (mInstallLock) { 21535 synchronized (mPackages) { 21536 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 21537 for (PackageSetting ps : packages) { 21538 if (ps.pkg == null) continue; 21539 21540 final ApplicationInfo info = ps.pkg.applicationInfo; 21541 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21542 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21543 21544 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 21545 "unloadPrivatePackagesInner")) { 21546 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 21547 false, null)) { 21548 unloaded.add(info); 21549 } else { 21550 Slog.w(TAG, "Failed to unload " + ps.codePath); 21551 } 21552 } 21553 21554 // Try very hard to release any references to this package 21555 // so we don't risk the system server being killed due to 21556 // open FDs 21557 AttributeCache.instance().removePackage(ps.name); 21558 } 21559 21560 mSettings.writeLPr(); 21561 } 21562 } 21563 21564 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 21565 sendResourcesChangedBroadcast(false, false, unloaded, null); 21566 21567 // Try very hard to release any references to this path so we don't risk 21568 // the system server being killed due to open FDs 21569 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 21570 21571 for (int i = 0; i < 3; i++) { 21572 System.gc(); 21573 System.runFinalization(); 21574 } 21575 } 21576 21577 private void assertPackageKnown(String volumeUuid, String packageName) 21578 throws PackageManagerException { 21579 synchronized (mPackages) { 21580 // Normalize package name to handle renamed packages 21581 packageName = normalizePackageNameLPr(packageName); 21582 21583 final PackageSetting ps = mSettings.mPackages.get(packageName); 21584 if (ps == null) { 21585 throw new PackageManagerException("Package " + packageName + " is unknown"); 21586 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21587 throw new PackageManagerException( 21588 "Package " + packageName + " found on unknown volume " + volumeUuid 21589 + "; expected volume " + ps.volumeUuid); 21590 } 21591 } 21592 } 21593 21594 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 21595 throws PackageManagerException { 21596 synchronized (mPackages) { 21597 // Normalize package name to handle renamed packages 21598 packageName = normalizePackageNameLPr(packageName); 21599 21600 final PackageSetting ps = mSettings.mPackages.get(packageName); 21601 if (ps == null) { 21602 throw new PackageManagerException("Package " + packageName + " is unknown"); 21603 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21604 throw new PackageManagerException( 21605 "Package " + packageName + " found on unknown volume " + volumeUuid 21606 + "; expected volume " + ps.volumeUuid); 21607 } else if (!ps.getInstalled(userId)) { 21608 throw new PackageManagerException( 21609 "Package " + packageName + " not installed for user " + userId); 21610 } 21611 } 21612 } 21613 21614 private List<String> collectAbsoluteCodePaths() { 21615 synchronized (mPackages) { 21616 List<String> codePaths = new ArrayList<>(); 21617 final int packageCount = mSettings.mPackages.size(); 21618 for (int i = 0; i < packageCount; i++) { 21619 final PackageSetting ps = mSettings.mPackages.valueAt(i); 21620 codePaths.add(ps.codePath.getAbsolutePath()); 21621 } 21622 return codePaths; 21623 } 21624 } 21625 21626 /** 21627 * Examine all apps present on given mounted volume, and destroy apps that 21628 * aren't expected, either due to uninstallation or reinstallation on 21629 * another volume. 21630 */ 21631 private void reconcileApps(String volumeUuid) { 21632 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 21633 List<File> filesToDelete = null; 21634 21635 final File[] files = FileUtils.listFilesOrEmpty( 21636 Environment.getDataAppDirectory(volumeUuid)); 21637 for (File file : files) { 21638 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 21639 && !PackageInstallerService.isStageName(file.getName()); 21640 if (!isPackage) { 21641 // Ignore entries which are not packages 21642 continue; 21643 } 21644 21645 String absolutePath = file.getAbsolutePath(); 21646 21647 boolean pathValid = false; 21648 final int absoluteCodePathCount = absoluteCodePaths.size(); 21649 for (int i = 0; i < absoluteCodePathCount; i++) { 21650 String absoluteCodePath = absoluteCodePaths.get(i); 21651 if (absolutePath.startsWith(absoluteCodePath)) { 21652 pathValid = true; 21653 break; 21654 } 21655 } 21656 21657 if (!pathValid) { 21658 if (filesToDelete == null) { 21659 filesToDelete = new ArrayList<>(); 21660 } 21661 filesToDelete.add(file); 21662 } 21663 } 21664 21665 if (filesToDelete != null) { 21666 final int fileToDeleteCount = filesToDelete.size(); 21667 for (int i = 0; i < fileToDeleteCount; i++) { 21668 File fileToDelete = filesToDelete.get(i); 21669 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 21670 synchronized (mInstallLock) { 21671 removeCodePathLI(fileToDelete); 21672 } 21673 } 21674 } 21675 } 21676 21677 /** 21678 * Reconcile all app data for the given user. 21679 * <p> 21680 * Verifies that directories exist and that ownership and labeling is 21681 * correct for all installed apps on all mounted volumes. 21682 */ 21683 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 21684 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21685 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 21686 final String volumeUuid = vol.getFsUuid(); 21687 synchronized (mInstallLock) { 21688 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 21689 } 21690 } 21691 } 21692 21693 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21694 boolean migrateAppData) { 21695 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppData, false /* onlyCoreApps */); 21696 } 21697 21698 /** 21699 * Reconcile all app data on given mounted volume. 21700 * <p> 21701 * Destroys app data that isn't expected, either due to uninstallation or 21702 * reinstallation on another volume. 21703 * <p> 21704 * Verifies that directories exist and that ownership and labeling is 21705 * correct for all installed apps. 21706 * @returns list of skipped non-core packages (if {@code onlyCoreApps} is true) 21707 */ 21708 private List<String> reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21709 boolean migrateAppData, boolean onlyCoreApps) { 21710 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 21711 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 21712 List<String> result = onlyCoreApps ? new ArrayList<>() : null; 21713 21714 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 21715 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 21716 21717 // First look for stale data that doesn't belong, and check if things 21718 // have changed since we did our last restorecon 21719 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21720 if (StorageManager.isFileEncryptedNativeOrEmulated() 21721 && !StorageManager.isUserKeyUnlocked(userId)) { 21722 throw new RuntimeException( 21723 "Yikes, someone asked us to reconcile CE storage while " + userId 21724 + " was still locked; this would have caused massive data loss!"); 21725 } 21726 21727 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 21728 for (File file : files) { 21729 final String packageName = file.getName(); 21730 try { 21731 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21732 } catch (PackageManagerException e) { 21733 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21734 try { 21735 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21736 StorageManager.FLAG_STORAGE_CE, 0); 21737 } catch (InstallerException e2) { 21738 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21739 } 21740 } 21741 } 21742 } 21743 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 21744 final File[] files = FileUtils.listFilesOrEmpty(deDir); 21745 for (File file : files) { 21746 final String packageName = file.getName(); 21747 try { 21748 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21749 } catch (PackageManagerException e) { 21750 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21751 try { 21752 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21753 StorageManager.FLAG_STORAGE_DE, 0); 21754 } catch (InstallerException e2) { 21755 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21756 } 21757 } 21758 } 21759 } 21760 21761 // Ensure that data directories are ready to roll for all packages 21762 // installed for this volume and user 21763 final List<PackageSetting> packages; 21764 synchronized (mPackages) { 21765 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21766 } 21767 int preparedCount = 0; 21768 for (PackageSetting ps : packages) { 21769 final String packageName = ps.name; 21770 if (ps.pkg == null) { 21771 Slog.w(TAG, "Odd, missing scanned package " + packageName); 21772 // TODO: might be due to legacy ASEC apps; we should circle back 21773 // and reconcile again once they're scanned 21774 continue; 21775 } 21776 // Skip non-core apps if requested 21777 if (onlyCoreApps && !ps.pkg.coreApp) { 21778 result.add(packageName); 21779 continue; 21780 } 21781 21782 if (ps.getInstalled(userId)) { 21783 prepareAppDataAndMigrateLIF(ps.pkg, userId, flags, migrateAppData); 21784 preparedCount++; 21785 } 21786 } 21787 21788 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 21789 return result; 21790 } 21791 21792 /** 21793 * Prepare app data for the given app just after it was installed or 21794 * upgraded. This method carefully only touches users that it's installed 21795 * for, and it forces a restorecon to handle any seinfo changes. 21796 * <p> 21797 * Verifies that directories exist and that ownership and labeling is 21798 * correct for all installed apps. If there is an ownership mismatch, it 21799 * will try recovering system apps by wiping data; third-party app data is 21800 * left intact. 21801 * <p> 21802 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 21803 */ 21804 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 21805 final PackageSetting ps; 21806 synchronized (mPackages) { 21807 ps = mSettings.mPackages.get(pkg.packageName); 21808 mSettings.writeKernelMappingLPr(ps); 21809 } 21810 21811 final UserManager um = mContext.getSystemService(UserManager.class); 21812 UserManagerInternal umInternal = getUserManagerInternal(); 21813 for (UserInfo user : um.getUsers()) { 21814 final int flags; 21815 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21816 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21817 } else if (umInternal.isUserRunning(user.id)) { 21818 flags = StorageManager.FLAG_STORAGE_DE; 21819 } else { 21820 continue; 21821 } 21822 21823 if (ps.getInstalled(user.id)) { 21824 // TODO: when user data is locked, mark that we're still dirty 21825 prepareAppDataLIF(pkg, user.id, flags); 21826 } 21827 } 21828 } 21829 21830 /** 21831 * Prepare app data for the given app. 21832 * <p> 21833 * Verifies that directories exist and that ownership and labeling is 21834 * correct for all installed apps. If there is an ownership mismatch, this 21835 * will try recovering system apps by wiping data; third-party app data is 21836 * left intact. 21837 */ 21838 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 21839 if (pkg == null) { 21840 Slog.wtf(TAG, "Package was null!", new Throwable()); 21841 return; 21842 } 21843 prepareAppDataLeafLIF(pkg, userId, flags); 21844 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21845 for (int i = 0; i < childCount; i++) { 21846 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 21847 } 21848 } 21849 21850 private void prepareAppDataAndMigrateLIF(PackageParser.Package pkg, int userId, int flags, 21851 boolean maybeMigrateAppData) { 21852 prepareAppDataLIF(pkg, userId, flags); 21853 21854 if (maybeMigrateAppData && maybeMigrateAppDataLIF(pkg, userId)) { 21855 // We may have just shuffled around app data directories, so 21856 // prepare them one more time 21857 prepareAppDataLIF(pkg, userId, flags); 21858 } 21859 } 21860 21861 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21862 if (DEBUG_APP_DATA) { 21863 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 21864 + Integer.toHexString(flags)); 21865 } 21866 21867 final String volumeUuid = pkg.volumeUuid; 21868 final String packageName = pkg.packageName; 21869 final ApplicationInfo app = pkg.applicationInfo; 21870 final int appId = UserHandle.getAppId(app.uid); 21871 21872 Preconditions.checkNotNull(app.seInfo); 21873 21874 long ceDataInode = -1; 21875 try { 21876 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21877 appId, app.seInfo, app.targetSdkVersion); 21878 } catch (InstallerException e) { 21879 if (app.isSystemApp()) { 21880 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 21881 + ", but trying to recover: " + e); 21882 destroyAppDataLeafLIF(pkg, userId, flags); 21883 try { 21884 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21885 appId, app.seInfo, app.targetSdkVersion); 21886 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 21887 } catch (InstallerException e2) { 21888 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 21889 } 21890 } else { 21891 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 21892 } 21893 } 21894 21895 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 21896 // TODO: mark this structure as dirty so we persist it! 21897 synchronized (mPackages) { 21898 final PackageSetting ps = mSettings.mPackages.get(packageName); 21899 if (ps != null) { 21900 ps.setCeDataInode(ceDataInode, userId); 21901 } 21902 } 21903 } 21904 21905 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21906 } 21907 21908 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 21909 if (pkg == null) { 21910 Slog.wtf(TAG, "Package was null!", new Throwable()); 21911 return; 21912 } 21913 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21914 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21915 for (int i = 0; i < childCount; i++) { 21916 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 21917 } 21918 } 21919 21920 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21921 final String volumeUuid = pkg.volumeUuid; 21922 final String packageName = pkg.packageName; 21923 final ApplicationInfo app = pkg.applicationInfo; 21924 21925 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21926 // Create a native library symlink only if we have native libraries 21927 // and if the native libraries are 32 bit libraries. We do not provide 21928 // this symlink for 64 bit libraries. 21929 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 21930 final String nativeLibPath = app.nativeLibraryDir; 21931 try { 21932 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 21933 nativeLibPath, userId); 21934 } catch (InstallerException e) { 21935 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 21936 } 21937 } 21938 } 21939 } 21940 21941 /** 21942 * For system apps on non-FBE devices, this method migrates any existing 21943 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 21944 * requested by the app. 21945 */ 21946 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 21947 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 21948 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 21949 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 21950 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 21951 try { 21952 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 21953 storageTarget); 21954 } catch (InstallerException e) { 21955 logCriticalInfo(Log.WARN, 21956 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 21957 } 21958 return true; 21959 } else { 21960 return false; 21961 } 21962 } 21963 21964 public PackageFreezer freezePackage(String packageName, String killReason) { 21965 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 21966 } 21967 21968 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 21969 return new PackageFreezer(packageName, userId, killReason); 21970 } 21971 21972 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 21973 String killReason) { 21974 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 21975 } 21976 21977 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 21978 String killReason) { 21979 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 21980 return new PackageFreezer(); 21981 } else { 21982 return freezePackage(packageName, userId, killReason); 21983 } 21984 } 21985 21986 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 21987 String killReason) { 21988 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 21989 } 21990 21991 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 21992 String killReason) { 21993 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 21994 return new PackageFreezer(); 21995 } else { 21996 return freezePackage(packageName, userId, killReason); 21997 } 21998 } 21999 22000 /** 22001 * Class that freezes and kills the given package upon creation, and 22002 * unfreezes it upon closing. This is typically used when doing surgery on 22003 * app code/data to prevent the app from running while you're working. 22004 */ 22005 private class PackageFreezer implements AutoCloseable { 22006 private final String mPackageName; 22007 private final PackageFreezer[] mChildren; 22008 22009 private final boolean mWeFroze; 22010 22011 private final AtomicBoolean mClosed = new AtomicBoolean(); 22012 private final CloseGuard mCloseGuard = CloseGuard.get(); 22013 22014 /** 22015 * Create and return a stub freezer that doesn't actually do anything, 22016 * typically used when someone requested 22017 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 22018 * {@link PackageManager#DELETE_DONT_KILL_APP}. 22019 */ 22020 public PackageFreezer() { 22021 mPackageName = null; 22022 mChildren = null; 22023 mWeFroze = false; 22024 mCloseGuard.open("close"); 22025 } 22026 22027 public PackageFreezer(String packageName, int userId, String killReason) { 22028 synchronized (mPackages) { 22029 mPackageName = packageName; 22030 mWeFroze = mFrozenPackages.add(mPackageName); 22031 22032 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 22033 if (ps != null) { 22034 killApplication(ps.name, ps.appId, userId, killReason); 22035 } 22036 22037 final PackageParser.Package p = mPackages.get(packageName); 22038 if (p != null && p.childPackages != null) { 22039 final int N = p.childPackages.size(); 22040 mChildren = new PackageFreezer[N]; 22041 for (int i = 0; i < N; i++) { 22042 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 22043 userId, killReason); 22044 } 22045 } else { 22046 mChildren = null; 22047 } 22048 } 22049 mCloseGuard.open("close"); 22050 } 22051 22052 @Override 22053 protected void finalize() throws Throwable { 22054 try { 22055 mCloseGuard.warnIfOpen(); 22056 close(); 22057 } finally { 22058 super.finalize(); 22059 } 22060 } 22061 22062 @Override 22063 public void close() { 22064 mCloseGuard.close(); 22065 if (mClosed.compareAndSet(false, true)) { 22066 synchronized (mPackages) { 22067 if (mWeFroze) { 22068 mFrozenPackages.remove(mPackageName); 22069 } 22070 22071 if (mChildren != null) { 22072 for (PackageFreezer freezer : mChildren) { 22073 freezer.close(); 22074 } 22075 } 22076 } 22077 } 22078 } 22079 } 22080 22081 /** 22082 * Verify that given package is currently frozen. 22083 */ 22084 private void checkPackageFrozen(String packageName) { 22085 synchronized (mPackages) { 22086 if (!mFrozenPackages.contains(packageName)) { 22087 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 22088 } 22089 } 22090 } 22091 22092 @Override 22093 public int movePackage(final String packageName, final String volumeUuid) { 22094 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22095 22096 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 22097 final int moveId = mNextMoveId.getAndIncrement(); 22098 mHandler.post(new Runnable() { 22099 @Override 22100 public void run() { 22101 try { 22102 movePackageInternal(packageName, volumeUuid, moveId, user); 22103 } catch (PackageManagerException e) { 22104 Slog.w(TAG, "Failed to move " + packageName, e); 22105 mMoveCallbacks.notifyStatusChanged(moveId, 22106 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22107 } 22108 } 22109 }); 22110 return moveId; 22111 } 22112 22113 private void movePackageInternal(final String packageName, final String volumeUuid, 22114 final int moveId, UserHandle user) throws PackageManagerException { 22115 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22116 final PackageManager pm = mContext.getPackageManager(); 22117 22118 final boolean currentAsec; 22119 final String currentVolumeUuid; 22120 final File codeFile; 22121 final String installerPackageName; 22122 final String packageAbiOverride; 22123 final int appId; 22124 final String seinfo; 22125 final String label; 22126 final int targetSdkVersion; 22127 final PackageFreezer freezer; 22128 final int[] installedUserIds; 22129 22130 // reader 22131 synchronized (mPackages) { 22132 final PackageParser.Package pkg = mPackages.get(packageName); 22133 final PackageSetting ps = mSettings.mPackages.get(packageName); 22134 if (pkg == null || ps == null) { 22135 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 22136 } 22137 22138 if (pkg.applicationInfo.isSystemApp()) { 22139 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 22140 "Cannot move system application"); 22141 } 22142 22143 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 22144 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 22145 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 22146 if (isInternalStorage && !allow3rdPartyOnInternal) { 22147 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 22148 "3rd party apps are not allowed on internal storage"); 22149 } 22150 22151 if (pkg.applicationInfo.isExternalAsec()) { 22152 currentAsec = true; 22153 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 22154 } else if (pkg.applicationInfo.isForwardLocked()) { 22155 currentAsec = true; 22156 currentVolumeUuid = "forward_locked"; 22157 } else { 22158 currentAsec = false; 22159 currentVolumeUuid = ps.volumeUuid; 22160 22161 final File probe = new File(pkg.codePath); 22162 final File probeOat = new File(probe, "oat"); 22163 if (!probe.isDirectory() || !probeOat.isDirectory()) { 22164 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22165 "Move only supported for modern cluster style installs"); 22166 } 22167 } 22168 22169 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 22170 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22171 "Package already moved to " + volumeUuid); 22172 } 22173 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 22174 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 22175 "Device admin cannot be moved"); 22176 } 22177 22178 if (mFrozenPackages.contains(packageName)) { 22179 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 22180 "Failed to move already frozen package"); 22181 } 22182 22183 codeFile = new File(pkg.codePath); 22184 installerPackageName = ps.installerPackageName; 22185 packageAbiOverride = ps.cpuAbiOverrideString; 22186 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 22187 seinfo = pkg.applicationInfo.seInfo; 22188 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 22189 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 22190 freezer = freezePackage(packageName, "movePackageInternal"); 22191 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 22192 } 22193 22194 final Bundle extras = new Bundle(); 22195 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 22196 extras.putString(Intent.EXTRA_TITLE, label); 22197 mMoveCallbacks.notifyCreated(moveId, extras); 22198 22199 int installFlags; 22200 final boolean moveCompleteApp; 22201 final File measurePath; 22202 22203 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 22204 installFlags = INSTALL_INTERNAL; 22205 moveCompleteApp = !currentAsec; 22206 measurePath = Environment.getDataAppDirectory(volumeUuid); 22207 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 22208 installFlags = INSTALL_EXTERNAL; 22209 moveCompleteApp = false; 22210 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 22211 } else { 22212 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 22213 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 22214 || !volume.isMountedWritable()) { 22215 freezer.close(); 22216 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22217 "Move location not mounted private volume"); 22218 } 22219 22220 Preconditions.checkState(!currentAsec); 22221 22222 installFlags = INSTALL_INTERNAL; 22223 moveCompleteApp = true; 22224 measurePath = Environment.getDataAppDirectory(volumeUuid); 22225 } 22226 22227 final PackageStats stats = new PackageStats(null, -1); 22228 synchronized (mInstaller) { 22229 for (int userId : installedUserIds) { 22230 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 22231 freezer.close(); 22232 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22233 "Failed to measure package size"); 22234 } 22235 } 22236 } 22237 22238 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 22239 + stats.dataSize); 22240 22241 final long startFreeBytes = measurePath.getFreeSpace(); 22242 final long sizeBytes; 22243 if (moveCompleteApp) { 22244 sizeBytes = stats.codeSize + stats.dataSize; 22245 } else { 22246 sizeBytes = stats.codeSize; 22247 } 22248 22249 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 22250 freezer.close(); 22251 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22252 "Not enough free space to move"); 22253 } 22254 22255 mMoveCallbacks.notifyStatusChanged(moveId, 10); 22256 22257 final CountDownLatch installedLatch = new CountDownLatch(1); 22258 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 22259 @Override 22260 public void onUserActionRequired(Intent intent) throws RemoteException { 22261 throw new IllegalStateException(); 22262 } 22263 22264 @Override 22265 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 22266 Bundle extras) throws RemoteException { 22267 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 22268 + PackageManager.installStatusToString(returnCode, msg)); 22269 22270 installedLatch.countDown(); 22271 freezer.close(); 22272 22273 final int status = PackageManager.installStatusToPublicStatus(returnCode); 22274 switch (status) { 22275 case PackageInstaller.STATUS_SUCCESS: 22276 mMoveCallbacks.notifyStatusChanged(moveId, 22277 PackageManager.MOVE_SUCCEEDED); 22278 break; 22279 case PackageInstaller.STATUS_FAILURE_STORAGE: 22280 mMoveCallbacks.notifyStatusChanged(moveId, 22281 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 22282 break; 22283 default: 22284 mMoveCallbacks.notifyStatusChanged(moveId, 22285 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22286 break; 22287 } 22288 } 22289 }; 22290 22291 final MoveInfo move; 22292 if (moveCompleteApp) { 22293 // Kick off a thread to report progress estimates 22294 new Thread() { 22295 @Override 22296 public void run() { 22297 while (true) { 22298 try { 22299 if (installedLatch.await(1, TimeUnit.SECONDS)) { 22300 break; 22301 } 22302 } catch (InterruptedException ignored) { 22303 } 22304 22305 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 22306 final int progress = 10 + (int) MathUtils.constrain( 22307 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 22308 mMoveCallbacks.notifyStatusChanged(moveId, progress); 22309 } 22310 } 22311 }.start(); 22312 22313 final String dataAppName = codeFile.getName(); 22314 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 22315 dataAppName, appId, seinfo, targetSdkVersion); 22316 } else { 22317 move = null; 22318 } 22319 22320 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 22321 22322 final Message msg = mHandler.obtainMessage(INIT_COPY); 22323 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 22324 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 22325 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 22326 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/, 22327 PackageManager.INSTALL_REASON_UNKNOWN); 22328 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 22329 msg.obj = params; 22330 22331 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 22332 System.identityHashCode(msg.obj)); 22333 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 22334 System.identityHashCode(msg.obj)); 22335 22336 mHandler.sendMessage(msg); 22337 } 22338 22339 @Override 22340 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 22341 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22342 22343 final int realMoveId = mNextMoveId.getAndIncrement(); 22344 final Bundle extras = new Bundle(); 22345 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 22346 mMoveCallbacks.notifyCreated(realMoveId, extras); 22347 22348 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 22349 @Override 22350 public void onCreated(int moveId, Bundle extras) { 22351 // Ignored 22352 } 22353 22354 @Override 22355 public void onStatusChanged(int moveId, int status, long estMillis) { 22356 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 22357 } 22358 }; 22359 22360 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22361 storage.setPrimaryStorageUuid(volumeUuid, callback); 22362 return realMoveId; 22363 } 22364 22365 @Override 22366 public int getMoveStatus(int moveId) { 22367 mContext.enforceCallingOrSelfPermission( 22368 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22369 return mMoveCallbacks.mLastStatus.get(moveId); 22370 } 22371 22372 @Override 22373 public void registerMoveCallback(IPackageMoveObserver callback) { 22374 mContext.enforceCallingOrSelfPermission( 22375 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22376 mMoveCallbacks.register(callback); 22377 } 22378 22379 @Override 22380 public void unregisterMoveCallback(IPackageMoveObserver callback) { 22381 mContext.enforceCallingOrSelfPermission( 22382 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22383 mMoveCallbacks.unregister(callback); 22384 } 22385 22386 @Override 22387 public boolean setInstallLocation(int loc) { 22388 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 22389 null); 22390 if (getInstallLocation() == loc) { 22391 return true; 22392 } 22393 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 22394 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 22395 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 22396 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 22397 return true; 22398 } 22399 return false; 22400 } 22401 22402 @Override 22403 public int getInstallLocation() { 22404 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 22405 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 22406 PackageHelper.APP_INSTALL_AUTO); 22407 } 22408 22409 /** Called by UserManagerService */ 22410 void cleanUpUser(UserManagerService userManager, int userHandle) { 22411 synchronized (mPackages) { 22412 mDirtyUsers.remove(userHandle); 22413 mUserNeedsBadging.delete(userHandle); 22414 mSettings.removeUserLPw(userHandle); 22415 mPendingBroadcasts.remove(userHandle); 22416 mInstantAppRegistry.onUserRemovedLPw(userHandle); 22417 removeUnusedPackagesLPw(userManager, userHandle); 22418 } 22419 } 22420 22421 /** 22422 * We're removing userHandle and would like to remove any downloaded packages 22423 * that are no longer in use by any other user. 22424 * @param userHandle the user being removed 22425 */ 22426 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 22427 final boolean DEBUG_CLEAN_APKS = false; 22428 int [] users = userManager.getUserIds(); 22429 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 22430 while (psit.hasNext()) { 22431 PackageSetting ps = psit.next(); 22432 if (ps.pkg == null) { 22433 continue; 22434 } 22435 final String packageName = ps.pkg.packageName; 22436 // Skip over if system app 22437 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 22438 continue; 22439 } 22440 if (DEBUG_CLEAN_APKS) { 22441 Slog.i(TAG, "Checking package " + packageName); 22442 } 22443 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 22444 if (keep) { 22445 if (DEBUG_CLEAN_APKS) { 22446 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 22447 } 22448 } else { 22449 for (int i = 0; i < users.length; i++) { 22450 if (users[i] != userHandle && ps.getInstalled(users[i])) { 22451 keep = true; 22452 if (DEBUG_CLEAN_APKS) { 22453 Slog.i(TAG, " Keeping package " + packageName + " for user " 22454 + users[i]); 22455 } 22456 break; 22457 } 22458 } 22459 } 22460 if (!keep) { 22461 if (DEBUG_CLEAN_APKS) { 22462 Slog.i(TAG, " Removing package " + packageName); 22463 } 22464 mHandler.post(new Runnable() { 22465 public void run() { 22466 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22467 userHandle, 0); 22468 } //end run 22469 }); 22470 } 22471 } 22472 } 22473 22474 /** Called by UserManagerService */ 22475 void createNewUser(int userId, String[] disallowedPackages) { 22476 synchronized (mInstallLock) { 22477 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 22478 } 22479 synchronized (mPackages) { 22480 scheduleWritePackageRestrictionsLocked(userId); 22481 scheduleWritePackageListLocked(userId); 22482 applyFactoryDefaultBrowserLPw(userId); 22483 primeDomainVerificationsLPw(userId); 22484 } 22485 } 22486 22487 void onNewUserCreated(final int userId) { 22488 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 22489 // If permission review for legacy apps is required, we represent 22490 // dagerous permissions for such apps as always granted runtime 22491 // permissions to keep per user flag state whether review is needed. 22492 // Hence, if a new user is added we have to propagate dangerous 22493 // permission grants for these legacy apps. 22494 if (mPermissionReviewRequired) { 22495 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 22496 | UPDATE_PERMISSIONS_REPLACE_ALL); 22497 } 22498 } 22499 22500 @Override 22501 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 22502 mContext.enforceCallingOrSelfPermission( 22503 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 22504 "Only package verification agents can read the verifier device identity"); 22505 22506 synchronized (mPackages) { 22507 return mSettings.getVerifierDeviceIdentityLPw(); 22508 } 22509 } 22510 22511 @Override 22512 public void setPermissionEnforced(String permission, boolean enforced) { 22513 // TODO: Now that we no longer change GID for storage, this should to away. 22514 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 22515 "setPermissionEnforced"); 22516 if (READ_EXTERNAL_STORAGE.equals(permission)) { 22517 synchronized (mPackages) { 22518 if (mSettings.mReadExternalStorageEnforced == null 22519 || mSettings.mReadExternalStorageEnforced != enforced) { 22520 mSettings.mReadExternalStorageEnforced = enforced; 22521 mSettings.writeLPr(); 22522 } 22523 } 22524 // kill any non-foreground processes so we restart them and 22525 // grant/revoke the GID. 22526 final IActivityManager am = ActivityManager.getService(); 22527 if (am != null) { 22528 final long token = Binder.clearCallingIdentity(); 22529 try { 22530 am.killProcessesBelowForeground("setPermissionEnforcement"); 22531 } catch (RemoteException e) { 22532 } finally { 22533 Binder.restoreCallingIdentity(token); 22534 } 22535 } 22536 } else { 22537 throw new IllegalArgumentException("No selective enforcement for " + permission); 22538 } 22539 } 22540 22541 @Override 22542 @Deprecated 22543 public boolean isPermissionEnforced(String permission) { 22544 return true; 22545 } 22546 22547 @Override 22548 public boolean isStorageLow() { 22549 final long token = Binder.clearCallingIdentity(); 22550 try { 22551 final DeviceStorageMonitorInternal 22552 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 22553 if (dsm != null) { 22554 return dsm.isMemoryLow(); 22555 } else { 22556 return false; 22557 } 22558 } finally { 22559 Binder.restoreCallingIdentity(token); 22560 } 22561 } 22562 22563 @Override 22564 public IPackageInstaller getPackageInstaller() { 22565 return mInstallerService; 22566 } 22567 22568 private boolean userNeedsBadging(int userId) { 22569 int index = mUserNeedsBadging.indexOfKey(userId); 22570 if (index < 0) { 22571 final UserInfo userInfo; 22572 final long token = Binder.clearCallingIdentity(); 22573 try { 22574 userInfo = sUserManager.getUserInfo(userId); 22575 } finally { 22576 Binder.restoreCallingIdentity(token); 22577 } 22578 final boolean b; 22579 if (userInfo != null && userInfo.isManagedProfile()) { 22580 b = true; 22581 } else { 22582 b = false; 22583 } 22584 mUserNeedsBadging.put(userId, b); 22585 return b; 22586 } 22587 return mUserNeedsBadging.valueAt(index); 22588 } 22589 22590 @Override 22591 public KeySet getKeySetByAlias(String packageName, String alias) { 22592 if (packageName == null || alias == null) { 22593 return null; 22594 } 22595 synchronized(mPackages) { 22596 final PackageParser.Package pkg = mPackages.get(packageName); 22597 if (pkg == null) { 22598 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22599 throw new IllegalArgumentException("Unknown package: " + packageName); 22600 } 22601 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22602 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 22603 } 22604 } 22605 22606 @Override 22607 public KeySet getSigningKeySet(String packageName) { 22608 if (packageName == null) { 22609 return null; 22610 } 22611 synchronized(mPackages) { 22612 final PackageParser.Package pkg = mPackages.get(packageName); 22613 if (pkg == null) { 22614 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22615 throw new IllegalArgumentException("Unknown package: " + packageName); 22616 } 22617 if (pkg.applicationInfo.uid != Binder.getCallingUid() 22618 && Process.SYSTEM_UID != Binder.getCallingUid()) { 22619 throw new SecurityException("May not access signing KeySet of other apps."); 22620 } 22621 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22622 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 22623 } 22624 } 22625 22626 @Override 22627 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 22628 if (packageName == null || ks == null) { 22629 return false; 22630 } 22631 synchronized(mPackages) { 22632 final PackageParser.Package pkg = mPackages.get(packageName); 22633 if (pkg == null) { 22634 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22635 throw new IllegalArgumentException("Unknown package: " + packageName); 22636 } 22637 IBinder ksh = ks.getToken(); 22638 if (ksh instanceof KeySetHandle) { 22639 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22640 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 22641 } 22642 return false; 22643 } 22644 } 22645 22646 @Override 22647 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 22648 if (packageName == null || ks == null) { 22649 return false; 22650 } 22651 synchronized(mPackages) { 22652 final PackageParser.Package pkg = mPackages.get(packageName); 22653 if (pkg == null) { 22654 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22655 throw new IllegalArgumentException("Unknown package: " + packageName); 22656 } 22657 IBinder ksh = ks.getToken(); 22658 if (ksh instanceof KeySetHandle) { 22659 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22660 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 22661 } 22662 return false; 22663 } 22664 } 22665 22666 private void deletePackageIfUnusedLPr(final String packageName) { 22667 PackageSetting ps = mSettings.mPackages.get(packageName); 22668 if (ps == null) { 22669 return; 22670 } 22671 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 22672 // TODO Implement atomic delete if package is unused 22673 // It is currently possible that the package will be deleted even if it is installed 22674 // after this method returns. 22675 mHandler.post(new Runnable() { 22676 public void run() { 22677 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22678 0, PackageManager.DELETE_ALL_USERS); 22679 } 22680 }); 22681 } 22682 } 22683 22684 /** 22685 * Check and throw if the given before/after packages would be considered a 22686 * downgrade. 22687 */ 22688 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 22689 throws PackageManagerException { 22690 if (after.versionCode < before.mVersionCode) { 22691 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22692 "Update version code " + after.versionCode + " is older than current " 22693 + before.mVersionCode); 22694 } else if (after.versionCode == before.mVersionCode) { 22695 if (after.baseRevisionCode < before.baseRevisionCode) { 22696 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22697 "Update base revision code " + after.baseRevisionCode 22698 + " is older than current " + before.baseRevisionCode); 22699 } 22700 22701 if (!ArrayUtils.isEmpty(after.splitNames)) { 22702 for (int i = 0; i < after.splitNames.length; i++) { 22703 final String splitName = after.splitNames[i]; 22704 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 22705 if (j != -1) { 22706 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 22707 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22708 "Update split " + splitName + " revision code " 22709 + after.splitRevisionCodes[i] + " is older than current " 22710 + before.splitRevisionCodes[j]); 22711 } 22712 } 22713 } 22714 } 22715 } 22716 } 22717 22718 private static class MoveCallbacks extends Handler { 22719 private static final int MSG_CREATED = 1; 22720 private static final int MSG_STATUS_CHANGED = 2; 22721 22722 private final RemoteCallbackList<IPackageMoveObserver> 22723 mCallbacks = new RemoteCallbackList<>(); 22724 22725 private final SparseIntArray mLastStatus = new SparseIntArray(); 22726 22727 public MoveCallbacks(Looper looper) { 22728 super(looper); 22729 } 22730 22731 public void register(IPackageMoveObserver callback) { 22732 mCallbacks.register(callback); 22733 } 22734 22735 public void unregister(IPackageMoveObserver callback) { 22736 mCallbacks.unregister(callback); 22737 } 22738 22739 @Override 22740 public void handleMessage(Message msg) { 22741 final SomeArgs args = (SomeArgs) msg.obj; 22742 final int n = mCallbacks.beginBroadcast(); 22743 for (int i = 0; i < n; i++) { 22744 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 22745 try { 22746 invokeCallback(callback, msg.what, args); 22747 } catch (RemoteException ignored) { 22748 } 22749 } 22750 mCallbacks.finishBroadcast(); 22751 args.recycle(); 22752 } 22753 22754 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 22755 throws RemoteException { 22756 switch (what) { 22757 case MSG_CREATED: { 22758 callback.onCreated(args.argi1, (Bundle) args.arg2); 22759 break; 22760 } 22761 case MSG_STATUS_CHANGED: { 22762 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 22763 break; 22764 } 22765 } 22766 } 22767 22768 private void notifyCreated(int moveId, Bundle extras) { 22769 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 22770 22771 final SomeArgs args = SomeArgs.obtain(); 22772 args.argi1 = moveId; 22773 args.arg2 = extras; 22774 obtainMessage(MSG_CREATED, args).sendToTarget(); 22775 } 22776 22777 private void notifyStatusChanged(int moveId, int status) { 22778 notifyStatusChanged(moveId, status, -1); 22779 } 22780 22781 private void notifyStatusChanged(int moveId, int status, long estMillis) { 22782 Slog.v(TAG, "Move " + moveId + " status " + status); 22783 22784 final SomeArgs args = SomeArgs.obtain(); 22785 args.argi1 = moveId; 22786 args.argi2 = status; 22787 args.arg3 = estMillis; 22788 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 22789 22790 synchronized (mLastStatus) { 22791 mLastStatus.put(moveId, status); 22792 } 22793 } 22794 } 22795 22796 private final static class OnPermissionChangeListeners extends Handler { 22797 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 22798 22799 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 22800 new RemoteCallbackList<>(); 22801 22802 public OnPermissionChangeListeners(Looper looper) { 22803 super(looper); 22804 } 22805 22806 @Override 22807 public void handleMessage(Message msg) { 22808 switch (msg.what) { 22809 case MSG_ON_PERMISSIONS_CHANGED: { 22810 final int uid = msg.arg1; 22811 handleOnPermissionsChanged(uid); 22812 } break; 22813 } 22814 } 22815 22816 public void addListenerLocked(IOnPermissionsChangeListener listener) { 22817 mPermissionListeners.register(listener); 22818 22819 } 22820 22821 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 22822 mPermissionListeners.unregister(listener); 22823 } 22824 22825 public void onPermissionsChanged(int uid) { 22826 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 22827 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 22828 } 22829 } 22830 22831 private void handleOnPermissionsChanged(int uid) { 22832 final int count = mPermissionListeners.beginBroadcast(); 22833 try { 22834 for (int i = 0; i < count; i++) { 22835 IOnPermissionsChangeListener callback = mPermissionListeners 22836 .getBroadcastItem(i); 22837 try { 22838 callback.onPermissionsChanged(uid); 22839 } catch (RemoteException e) { 22840 Log.e(TAG, "Permission listener is dead", e); 22841 } 22842 } 22843 } finally { 22844 mPermissionListeners.finishBroadcast(); 22845 } 22846 } 22847 } 22848 22849 private class PackageManagerInternalImpl extends PackageManagerInternal { 22850 @Override 22851 public void setLocationPackagesProvider(PackagesProvider provider) { 22852 synchronized (mPackages) { 22853 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 22854 } 22855 } 22856 22857 @Override 22858 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 22859 synchronized (mPackages) { 22860 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 22861 } 22862 } 22863 22864 @Override 22865 public void setSmsAppPackagesProvider(PackagesProvider provider) { 22866 synchronized (mPackages) { 22867 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 22868 } 22869 } 22870 22871 @Override 22872 public void setDialerAppPackagesProvider(PackagesProvider provider) { 22873 synchronized (mPackages) { 22874 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 22875 } 22876 } 22877 22878 @Override 22879 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 22880 synchronized (mPackages) { 22881 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 22882 } 22883 } 22884 22885 @Override 22886 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 22887 synchronized (mPackages) { 22888 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 22889 } 22890 } 22891 22892 @Override 22893 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 22894 synchronized (mPackages) { 22895 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 22896 packageName, userId); 22897 } 22898 } 22899 22900 @Override 22901 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 22902 synchronized (mPackages) { 22903 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 22904 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 22905 packageName, userId); 22906 } 22907 } 22908 22909 @Override 22910 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 22911 synchronized (mPackages) { 22912 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 22913 packageName, userId); 22914 } 22915 } 22916 22917 @Override 22918 public void setKeepUninstalledPackages(final List<String> packageList) { 22919 Preconditions.checkNotNull(packageList); 22920 List<String> removedFromList = null; 22921 synchronized (mPackages) { 22922 if (mKeepUninstalledPackages != null) { 22923 final int packagesCount = mKeepUninstalledPackages.size(); 22924 for (int i = 0; i < packagesCount; i++) { 22925 String oldPackage = mKeepUninstalledPackages.get(i); 22926 if (packageList != null && packageList.contains(oldPackage)) { 22927 continue; 22928 } 22929 if (removedFromList == null) { 22930 removedFromList = new ArrayList<>(); 22931 } 22932 removedFromList.add(oldPackage); 22933 } 22934 } 22935 mKeepUninstalledPackages = new ArrayList<>(packageList); 22936 if (removedFromList != null) { 22937 final int removedCount = removedFromList.size(); 22938 for (int i = 0; i < removedCount; i++) { 22939 deletePackageIfUnusedLPr(removedFromList.get(i)); 22940 } 22941 } 22942 } 22943 } 22944 22945 @Override 22946 public boolean isPermissionsReviewRequired(String packageName, int userId) { 22947 synchronized (mPackages) { 22948 // If we do not support permission review, done. 22949 if (!mPermissionReviewRequired) { 22950 return false; 22951 } 22952 22953 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 22954 if (packageSetting == null) { 22955 return false; 22956 } 22957 22958 // Permission review applies only to apps not supporting the new permission model. 22959 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 22960 return false; 22961 } 22962 22963 // Legacy apps have the permission and get user consent on launch. 22964 PermissionsState permissionsState = packageSetting.getPermissionsState(); 22965 return permissionsState.isPermissionReviewRequired(userId); 22966 } 22967 } 22968 22969 @Override 22970 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 22971 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 22972 } 22973 22974 @Override 22975 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 22976 int userId) { 22977 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 22978 } 22979 22980 @Override 22981 public void setDeviceAndProfileOwnerPackages( 22982 int deviceOwnerUserId, String deviceOwnerPackage, 22983 SparseArray<String> profileOwnerPackages) { 22984 mProtectedPackages.setDeviceAndProfileOwnerPackages( 22985 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 22986 } 22987 22988 @Override 22989 public boolean isPackageDataProtected(int userId, String packageName) { 22990 return mProtectedPackages.isPackageDataProtected(userId, packageName); 22991 } 22992 22993 @Override 22994 public boolean isPackageEphemeral(int userId, String packageName) { 22995 synchronized (mPackages) { 22996 final PackageSetting ps = mSettings.mPackages.get(packageName); 22997 return ps != null ? ps.getInstantApp(userId) : false; 22998 } 22999 } 23000 23001 @Override 23002 public boolean wasPackageEverLaunched(String packageName, int userId) { 23003 synchronized (mPackages) { 23004 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 23005 } 23006 } 23007 23008 @Override 23009 public void grantRuntimePermission(String packageName, String name, int userId, 23010 boolean overridePolicy) { 23011 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 23012 overridePolicy); 23013 } 23014 23015 @Override 23016 public void revokeRuntimePermission(String packageName, String name, int userId, 23017 boolean overridePolicy) { 23018 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 23019 overridePolicy); 23020 } 23021 23022 @Override 23023 public String getNameForUid(int uid) { 23024 return PackageManagerService.this.getNameForUid(uid); 23025 } 23026 23027 @Override 23028 public void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 23029 Intent origIntent, String resolvedType, String callingPackage, int userId) { 23030 PackageManagerService.this.requestInstantAppResolutionPhaseTwo( 23031 responseObj, origIntent, resolvedType, callingPackage, userId); 23032 } 23033 23034 @Override 23035 public void grantEphemeralAccess(int userId, Intent intent, 23036 int targetAppId, int ephemeralAppId) { 23037 synchronized (mPackages) { 23038 mInstantAppRegistry.grantInstantAccessLPw(userId, intent, 23039 targetAppId, ephemeralAppId); 23040 } 23041 } 23042 23043 @Override 23044 public boolean isInstantAppInstallerComponent(ComponentName component) { 23045 synchronized (mPackages) { 23046 return component != null && component.equals(mInstantAppInstallerComponent); 23047 } 23048 } 23049 23050 @Override 23051 public void pruneInstantApps() { 23052 synchronized (mPackages) { 23053 mInstantAppRegistry.pruneInstantAppsLPw(); 23054 } 23055 } 23056 23057 @Override 23058 public String getSetupWizardPackageName() { 23059 return mSetupWizardPackage; 23060 } 23061 23062 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 23063 if (policy != null) { 23064 mExternalSourcesPolicy = policy; 23065 } 23066 } 23067 23068 @Override 23069 public boolean isPackagePersistent(String packageName) { 23070 synchronized (mPackages) { 23071 PackageParser.Package pkg = mPackages.get(packageName); 23072 return pkg != null 23073 ? ((pkg.applicationInfo.flags&(ApplicationInfo.FLAG_SYSTEM 23074 | ApplicationInfo.FLAG_PERSISTENT)) == 23075 (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_PERSISTENT)) 23076 : false; 23077 } 23078 } 23079 23080 @Override 23081 public List<PackageInfo> getOverlayPackages(int userId) { 23082 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 23083 synchronized (mPackages) { 23084 for (PackageParser.Package p : mPackages.values()) { 23085 if (p.mOverlayTarget != null) { 23086 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 23087 if (pkg != null) { 23088 overlayPackages.add(pkg); 23089 } 23090 } 23091 } 23092 } 23093 return overlayPackages; 23094 } 23095 23096 @Override 23097 public List<String> getTargetPackageNames(int userId) { 23098 List<String> targetPackages = new ArrayList<>(); 23099 synchronized (mPackages) { 23100 for (PackageParser.Package p : mPackages.values()) { 23101 if (p.mOverlayTarget == null) { 23102 targetPackages.add(p.packageName); 23103 } 23104 } 23105 } 23106 return targetPackages; 23107 } 23108 23109 @Override 23110 public boolean setEnabledOverlayPackages(int userId, @NonNull String targetPackageName, 23111 @Nullable List<String> overlayPackageNames) { 23112 synchronized (mPackages) { 23113 if (targetPackageName == null || mPackages.get(targetPackageName) == null) { 23114 Slog.e(TAG, "failed to find package " + targetPackageName); 23115 return false; 23116 } 23117 23118 ArrayList<String> paths = null; 23119 if (overlayPackageNames != null) { 23120 final int N = overlayPackageNames.size(); 23121 paths = new ArrayList<>(N); 23122 for (int i = 0; i < N; i++) { 23123 final String packageName = overlayPackageNames.get(i); 23124 final PackageParser.Package pkg = mPackages.get(packageName); 23125 if (pkg == null) { 23126 Slog.e(TAG, "failed to find package " + packageName); 23127 return false; 23128 } 23129 paths.add(pkg.baseCodePath); 23130 } 23131 } 23132 23133 ArrayMap<String, ArrayList<String>> userSpecificOverlays = 23134 mEnabledOverlayPaths.get(userId); 23135 if (userSpecificOverlays == null) { 23136 userSpecificOverlays = new ArrayMap<>(); 23137 mEnabledOverlayPaths.put(userId, userSpecificOverlays); 23138 } 23139 23140 if (paths != null && paths.size() > 0) { 23141 userSpecificOverlays.put(targetPackageName, paths); 23142 } else { 23143 userSpecificOverlays.remove(targetPackageName); 23144 } 23145 return true; 23146 } 23147 } 23148 23149 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 23150 int flags, int userId) { 23151 return resolveIntentInternal( 23152 intent, resolvedType, flags, userId, true /*includeInstantApp*/); 23153 } 23154 23155 23156 @Override 23157 public void addIsolatedUid(int isolatedUid, int ownerUid) { 23158 synchronized (mPackages) { 23159 mIsolatedOwners.put(isolatedUid, ownerUid); 23160 } 23161 } 23162 23163 @Override 23164 public void removeIsolatedUid(int isolatedUid) { 23165 synchronized (mPackages) { 23166 mIsolatedOwners.delete(isolatedUid); 23167 } 23168 } 23169 } 23170 23171 @Override 23172 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 23173 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 23174 synchronized (mPackages) { 23175 final long identity = Binder.clearCallingIdentity(); 23176 try { 23177 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 23178 packageNames, userId); 23179 } finally { 23180 Binder.restoreCallingIdentity(identity); 23181 } 23182 } 23183 } 23184 23185 @Override 23186 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 23187 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 23188 synchronized (mPackages) { 23189 final long identity = Binder.clearCallingIdentity(); 23190 try { 23191 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServicesLPr( 23192 packageNames, userId); 23193 } finally { 23194 Binder.restoreCallingIdentity(identity); 23195 } 23196 } 23197 } 23198 23199 private static void enforceSystemOrPhoneCaller(String tag) { 23200 int callingUid = Binder.getCallingUid(); 23201 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 23202 throw new SecurityException( 23203 "Cannot call " + tag + " from UID " + callingUid); 23204 } 23205 } 23206 23207 boolean isHistoricalPackageUsageAvailable() { 23208 return mPackageUsage.isHistoricalPackageUsageAvailable(); 23209 } 23210 23211 /** 23212 * Return a <b>copy</b> of the collection of packages known to the package manager. 23213 * @return A copy of the values of mPackages. 23214 */ 23215 Collection<PackageParser.Package> getPackages() { 23216 synchronized (mPackages) { 23217 return new ArrayList<>(mPackages.values()); 23218 } 23219 } 23220 23221 /** 23222 * Logs process start information (including base APK hash) to the security log. 23223 * @hide 23224 */ 23225 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 23226 String apkFile, int pid) { 23227 if (!SecurityLog.isLoggingEnabled()) { 23228 return; 23229 } 23230 Bundle data = new Bundle(); 23231 data.putLong("startTimestamp", System.currentTimeMillis()); 23232 data.putString("processName", processName); 23233 data.putInt("uid", uid); 23234 data.putString("seinfo", seinfo); 23235 data.putString("apkFile", apkFile); 23236 data.putInt("pid", pid); 23237 Message msg = mProcessLoggingHandler.obtainMessage( 23238 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 23239 msg.setData(data); 23240 mProcessLoggingHandler.sendMessage(msg); 23241 } 23242 23243 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 23244 return mCompilerStats.getPackageStats(pkgName); 23245 } 23246 23247 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 23248 return getOrCreateCompilerPackageStats(pkg.packageName); 23249 } 23250 23251 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 23252 return mCompilerStats.getOrCreatePackageStats(pkgName); 23253 } 23254 23255 public void deleteCompilerPackageStats(String pkgName) { 23256 mCompilerStats.deletePackageStats(pkgName); 23257 } 23258 23259 @Override 23260 public int getInstallReason(String packageName, int userId) { 23261 enforceCrossUserPermission(Binder.getCallingUid(), userId, 23262 true /* requireFullPermission */, false /* checkShell */, 23263 "get install reason"); 23264 synchronized (mPackages) { 23265 final PackageSetting ps = mSettings.mPackages.get(packageName); 23266 if (ps != null) { 23267 return ps.getInstallReason(userId); 23268 } 23269 } 23270 return PackageManager.INSTALL_REASON_UNKNOWN; 23271 } 23272 23273 @Override 23274 public boolean canRequestPackageInstalls(String packageName, int userId) { 23275 int callingUid = Binder.getCallingUid(); 23276 int uid = getPackageUid(packageName, 0, userId); 23277 if (callingUid != uid && callingUid != Process.ROOT_UID 23278 && callingUid != Process.SYSTEM_UID) { 23279 throw new SecurityException( 23280 "Caller uid " + callingUid + " does not own package " + packageName); 23281 } 23282 ApplicationInfo info = getApplicationInfo(packageName, 0, userId); 23283 if (info == null) { 23284 return false; 23285 } 23286 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 23287 throw new UnsupportedOperationException( 23288 "Operation only supported on apps targeting Android O or higher"); 23289 } 23290 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 23291 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 23292 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 23293 throw new SecurityException("Need to declare " + appOpPermission + " to call this api"); 23294 } 23295 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 23296 return false; 23297 } 23298 if (mExternalSourcesPolicy != null) { 23299 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 23300 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 23301 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 23302 } 23303 } 23304 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 23305 } 23306 23307 @Override 23308 public ComponentName getInstantAppResolverSettingsComponent() { 23309 return mInstantAppResolverSettingsComponent; 23310 } 23311} 23312