PackageManagerService.java revision 06ca1e08739fb2df62327293a6222f541639642d
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.DELETE_PACKAGES; 20import static android.Manifest.permission.INSTALL_PACKAGES; 21import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 22import static android.Manifest.permission.REQUEST_DELETE_PACKAGES; 23import static android.Manifest.permission.REQUEST_INSTALL_PACKAGES; 24import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 25import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 27import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 28import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 29import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 30import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 31import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 35import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 36import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 37import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 38import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 39import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 40import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 41import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 42import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 46import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 47import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 48import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 49import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 50import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 51import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 53import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 54import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 55import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 56import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 57import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 58import static android.content.pm.PackageManager.INSTALL_INTERNAL; 59import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 62import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 63import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 64import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 65import static android.content.pm.PackageManager.MATCH_ALL; 66import static android.content.pm.PackageManager.MATCH_ANY_USER; 67import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 68import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 69import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 70import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 71import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 72import static android.content.pm.PackageManager.MATCH_KNOWN_PACKAGES; 73import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 74import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 75import static android.content.pm.PackageManager.MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL; 76import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 77import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 78import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 79import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 80import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 81import static android.content.pm.PackageManager.PERMISSION_DENIED; 82import static android.content.pm.PackageManager.PERMISSION_GRANTED; 83import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 84import static android.content.pm.PackageParser.isApkFile; 85import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 86import static android.system.OsConstants.O_CREAT; 87import static android.system.OsConstants.O_RDWR; 88import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 89import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 90import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 91import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 92import static com.android.internal.util.ArrayUtils.appendInt; 93import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 94import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 95import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 96import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 97import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 98import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 99import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 100import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 101import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 102import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 103import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 104import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 105 106import android.Manifest; 107import android.annotation.NonNull; 108import android.annotation.Nullable; 109import android.app.ActivityManager; 110import android.app.AppOpsManager; 111import android.app.IActivityManager; 112import android.app.ResourcesManager; 113import android.app.admin.IDevicePolicyManager; 114import android.app.admin.SecurityLog; 115import android.app.backup.IBackupManager; 116import android.content.BroadcastReceiver; 117import android.content.ComponentName; 118import android.content.ContentResolver; 119import android.content.Context; 120import android.content.IIntentReceiver; 121import android.content.Intent; 122import android.content.IntentFilter; 123import android.content.IntentSender; 124import android.content.IntentSender.SendIntentException; 125import android.content.ServiceConnection; 126import android.content.pm.ActivityInfo; 127import android.content.pm.ApplicationInfo; 128import android.content.pm.AppsQueryHelper; 129import android.content.pm.ChangedPackages; 130import android.content.pm.ComponentInfo; 131import android.content.pm.InstantAppRequest; 132import android.content.pm.AuxiliaryResolveInfo; 133import android.content.pm.FallbackCategoryProvider; 134import android.content.pm.FeatureInfo; 135import android.content.pm.IOnPermissionsChangeListener; 136import android.content.pm.IPackageDataObserver; 137import android.content.pm.IPackageDeleteObserver; 138import android.content.pm.IPackageDeleteObserver2; 139import android.content.pm.IPackageInstallObserver2; 140import android.content.pm.IPackageInstaller; 141import android.content.pm.IPackageManager; 142import android.content.pm.IPackageMoveObserver; 143import android.content.pm.IPackageStatsObserver; 144import android.content.pm.InstantAppInfo; 145import android.content.pm.InstantAppResolveInfo; 146import android.content.pm.InstrumentationInfo; 147import android.content.pm.IntentFilterVerificationInfo; 148import android.content.pm.KeySet; 149import android.content.pm.PackageCleanItem; 150import android.content.pm.PackageInfo; 151import android.content.pm.PackageInfoLite; 152import android.content.pm.PackageInstaller; 153import android.content.pm.PackageManager; 154import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 155import android.content.pm.PackageManagerInternal; 156import android.content.pm.PackageParser; 157import android.content.pm.PackageParser.ActivityIntentInfo; 158import android.content.pm.PackageParser.PackageLite; 159import android.content.pm.PackageParser.PackageParserException; 160import android.content.pm.PackageStats; 161import android.content.pm.PackageUserState; 162import android.content.pm.ParceledListSlice; 163import android.content.pm.PermissionGroupInfo; 164import android.content.pm.PermissionInfo; 165import android.content.pm.ProviderInfo; 166import android.content.pm.ResolveInfo; 167import android.content.pm.SELinuxUtil; 168import android.content.pm.ServiceInfo; 169import android.content.pm.SharedLibraryInfo; 170import android.content.pm.Signature; 171import android.content.pm.UserInfo; 172import android.content.pm.VerifierDeviceIdentity; 173import android.content.pm.VerifierInfo; 174import android.content.pm.VersionedPackage; 175import android.content.res.Resources; 176import android.graphics.Bitmap; 177import android.hardware.display.DisplayManager; 178import android.net.Uri; 179import android.os.Binder; 180import android.os.Build; 181import android.os.Bundle; 182import android.os.Debug; 183import android.os.Environment; 184import android.os.Environment.UserEnvironment; 185import android.os.FileUtils; 186import android.os.Handler; 187import android.os.IBinder; 188import android.os.Looper; 189import android.os.Message; 190import android.os.Parcel; 191import android.os.ParcelFileDescriptor; 192import android.os.PatternMatcher; 193import android.os.Process; 194import android.os.RemoteCallbackList; 195import android.os.RemoteException; 196import android.os.ResultReceiver; 197import android.os.SELinux; 198import android.os.ServiceManager; 199import android.os.ShellCallback; 200import android.os.SystemClock; 201import android.os.SystemProperties; 202import android.os.Trace; 203import android.os.UserHandle; 204import android.os.UserManager; 205import android.os.UserManagerInternal; 206import android.os.storage.IStorageManager; 207import android.os.storage.StorageEventListener; 208import android.os.storage.StorageManager; 209import android.os.storage.StorageManagerInternal; 210import android.os.storage.VolumeInfo; 211import android.os.storage.VolumeRecord; 212import android.provider.Settings.Global; 213import android.provider.Settings.Secure; 214import android.security.KeyStore; 215import android.security.SystemKeyStore; 216import android.service.pm.PackageServiceDumpProto; 217import android.system.ErrnoException; 218import android.system.Os; 219import android.text.TextUtils; 220import android.text.format.DateUtils; 221import android.util.ArrayMap; 222import android.util.ArraySet; 223import android.util.Base64; 224import android.util.DisplayMetrics; 225import android.util.EventLog; 226import android.util.ExceptionUtils; 227import android.util.Log; 228import android.util.LogPrinter; 229import android.util.MathUtils; 230import android.util.PackageUtils; 231import android.util.Pair; 232import android.util.PrintStreamPrinter; 233import android.util.Slog; 234import android.util.SparseArray; 235import android.util.SparseBooleanArray; 236import android.util.SparseIntArray; 237import android.util.Xml; 238import android.util.jar.StrictJarFile; 239import android.util.proto.ProtoOutputStream; 240import android.view.Display; 241 242import com.android.internal.R; 243import com.android.internal.annotations.GuardedBy; 244import com.android.internal.app.IMediaContainerService; 245import com.android.internal.app.ResolverActivity; 246import com.android.internal.content.NativeLibraryHelper; 247import com.android.internal.content.PackageHelper; 248import com.android.internal.logging.MetricsLogger; 249import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 250import com.android.internal.os.IParcelFileDescriptorFactory; 251import com.android.internal.os.RoSystemProperties; 252import com.android.internal.os.SomeArgs; 253import com.android.internal.os.Zygote; 254import com.android.internal.telephony.CarrierAppUtils; 255import com.android.internal.util.ArrayUtils; 256import com.android.internal.util.ConcurrentUtils; 257import com.android.internal.util.FastPrintWriter; 258import com.android.internal.util.FastXmlSerializer; 259import com.android.internal.util.IndentingPrintWriter; 260import com.android.internal.util.Preconditions; 261import com.android.internal.util.XmlUtils; 262import com.android.server.AttributeCache; 263import com.android.server.DeviceIdleController; 264import com.android.server.EventLogTags; 265import com.android.server.FgThread; 266import com.android.server.IntentResolver; 267import com.android.server.LocalServices; 268import com.android.server.LockGuard; 269import com.android.server.ServiceThread; 270import com.android.server.SystemConfig; 271import com.android.server.SystemServerInitThreadPool; 272import com.android.server.Watchdog; 273import com.android.server.net.NetworkPolicyManagerInternal; 274import com.android.server.pm.BackgroundDexOptService; 275import com.android.server.pm.Installer.InstallerException; 276import com.android.server.pm.PermissionsState.PermissionState; 277import com.android.server.pm.Settings.DatabaseVersion; 278import com.android.server.pm.Settings.VersionInfo; 279import com.android.server.pm.dex.DexManager; 280import com.android.server.storage.DeviceStorageMonitorInternal; 281 282import dalvik.system.CloseGuard; 283import dalvik.system.DexFile; 284import dalvik.system.VMRuntime; 285 286import libcore.io.IoUtils; 287import libcore.util.EmptyArray; 288 289import org.xmlpull.v1.XmlPullParser; 290import org.xmlpull.v1.XmlPullParserException; 291import org.xmlpull.v1.XmlSerializer; 292 293import java.io.BufferedOutputStream; 294import java.io.BufferedReader; 295import java.io.ByteArrayInputStream; 296import java.io.ByteArrayOutputStream; 297import java.io.File; 298import java.io.FileDescriptor; 299import java.io.FileInputStream; 300import java.io.FileNotFoundException; 301import java.io.FileOutputStream; 302import java.io.FileReader; 303import java.io.FilenameFilter; 304import java.io.IOException; 305import java.io.PrintWriter; 306import java.nio.charset.StandardCharsets; 307import java.security.DigestInputStream; 308import java.security.MessageDigest; 309import java.security.NoSuchAlgorithmException; 310import java.security.PublicKey; 311import java.security.SecureRandom; 312import java.security.cert.Certificate; 313import java.security.cert.CertificateEncodingException; 314import java.security.cert.CertificateException; 315import java.text.SimpleDateFormat; 316import java.util.ArrayList; 317import java.util.Arrays; 318import java.util.Collection; 319import java.util.Collections; 320import java.util.Comparator; 321import java.util.Date; 322import java.util.HashMap; 323import java.util.HashSet; 324import java.util.Iterator; 325import java.util.List; 326import java.util.Map; 327import java.util.Objects; 328import java.util.Set; 329import java.util.concurrent.CountDownLatch; 330import java.util.concurrent.Future; 331import java.util.concurrent.TimeUnit; 332import java.util.concurrent.atomic.AtomicBoolean; 333import java.util.concurrent.atomic.AtomicInteger; 334 335/** 336 * Keep track of all those APKs everywhere. 337 * <p> 338 * Internally there are two important locks: 339 * <ul> 340 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 341 * and other related state. It is a fine-grained lock that should only be held 342 * momentarily, as it's one of the most contended locks in the system. 343 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 344 * operations typically involve heavy lifting of application data on disk. Since 345 * {@code installd} is single-threaded, and it's operations can often be slow, 346 * this lock should never be acquired while already holding {@link #mPackages}. 347 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 348 * holding {@link #mInstallLock}. 349 * </ul> 350 * Many internal methods rely on the caller to hold the appropriate locks, and 351 * this contract is expressed through method name suffixes: 352 * <ul> 353 * <li>fooLI(): the caller must hold {@link #mInstallLock} 354 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 355 * being modified must be frozen 356 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 357 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 358 * </ul> 359 * <p> 360 * Because this class is very central to the platform's security; please run all 361 * CTS and unit tests whenever making modifications: 362 * 363 * <pre> 364 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 365 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 366 * </pre> 367 */ 368public class PackageManagerService extends IPackageManager.Stub { 369 static final String TAG = "PackageManager"; 370 static final boolean DEBUG_SETTINGS = false; 371 static final boolean DEBUG_PREFERRED = false; 372 static final boolean DEBUG_UPGRADE = false; 373 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 374 private static final boolean DEBUG_BACKUP = false; 375 private static final boolean DEBUG_INSTALL = false; 376 private static final boolean DEBUG_REMOVE = false; 377 private static final boolean DEBUG_BROADCASTS = false; 378 private static final boolean DEBUG_SHOW_INFO = false; 379 private static final boolean DEBUG_PACKAGE_INFO = false; 380 private static final boolean DEBUG_INTENT_MATCHING = false; 381 private static final boolean DEBUG_PACKAGE_SCANNING = false; 382 private static final boolean DEBUG_VERIFY = false; 383 private static final boolean DEBUG_FILTERS = false; 384 385 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 386 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 387 // user, but by default initialize to this. 388 public static final boolean DEBUG_DEXOPT = false; 389 390 private static final boolean DEBUG_ABI_SELECTION = false; 391 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 392 private static final boolean DEBUG_TRIAGED_MISSING = false; 393 private static final boolean DEBUG_APP_DATA = false; 394 395 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 396 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 397 398 private static final boolean DISABLE_EPHEMERAL_APPS = false; 399 private static final boolean HIDE_EPHEMERAL_APIS = false; 400 401 private static final boolean ENABLE_FREE_CACHE_V2 = 402 SystemProperties.getBoolean("fw.free_cache_v2", true); 403 404 private static final int RADIO_UID = Process.PHONE_UID; 405 private static final int LOG_UID = Process.LOG_UID; 406 private static final int NFC_UID = Process.NFC_UID; 407 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 408 private static final int SHELL_UID = Process.SHELL_UID; 409 410 // Cap the size of permission trees that 3rd party apps can define 411 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 412 413 // Suffix used during package installation when copying/moving 414 // package apks to install directory. 415 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 416 417 static final int SCAN_NO_DEX = 1<<1; 418 static final int SCAN_FORCE_DEX = 1<<2; 419 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 420 static final int SCAN_NEW_INSTALL = 1<<4; 421 static final int SCAN_UPDATE_TIME = 1<<5; 422 static final int SCAN_BOOTING = 1<<6; 423 static final int SCAN_TRUSTED_OVERLAY = 1<<7; 424 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<8; 425 static final int SCAN_REPLACING = 1<<9; 426 static final int SCAN_REQUIRE_KNOWN = 1<<10; 427 static final int SCAN_MOVE = 1<<11; 428 static final int SCAN_INITIAL = 1<<12; 429 static final int SCAN_CHECK_ONLY = 1<<13; 430 static final int SCAN_DONT_KILL_APP = 1<<14; 431 static final int SCAN_IGNORE_FROZEN = 1<<15; 432 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<16; 433 static final int SCAN_AS_INSTANT_APP = 1<<17; 434 static final int SCAN_AS_FULL_APP = 1<<18; 435 /** Should not be with the scan flags */ 436 static final int FLAGS_REMOVE_CHATTY = 1<<31; 437 438 private static final String STATIC_SHARED_LIB_DELIMITER = "_"; 439 440 private static final int[] EMPTY_INT_ARRAY = new int[0]; 441 442 /** 443 * Timeout (in milliseconds) after which the watchdog should declare that 444 * our handler thread is wedged. The usual default for such things is one 445 * minute but we sometimes do very lengthy I/O operations on this thread, 446 * such as installing multi-gigabyte applications, so ours needs to be longer. 447 */ 448 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 449 450 /** 451 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 452 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 453 * settings entry if available, otherwise we use the hardcoded default. If it's been 454 * more than this long since the last fstrim, we force one during the boot sequence. 455 * 456 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 457 * one gets run at the next available charging+idle time. This final mandatory 458 * no-fstrim check kicks in only of the other scheduling criteria is never met. 459 */ 460 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 461 462 /** 463 * Whether verification is enabled by default. 464 */ 465 private static final boolean DEFAULT_VERIFY_ENABLE = true; 466 467 /** 468 * The default maximum time to wait for the verification agent to return in 469 * milliseconds. 470 */ 471 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 472 473 /** 474 * The default response for package verification timeout. 475 * 476 * This can be either PackageManager.VERIFICATION_ALLOW or 477 * PackageManager.VERIFICATION_REJECT. 478 */ 479 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 480 481 static final String PLATFORM_PACKAGE_NAME = "android"; 482 483 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 484 485 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 486 DEFAULT_CONTAINER_PACKAGE, 487 "com.android.defcontainer.DefaultContainerService"); 488 489 private static final String KILL_APP_REASON_GIDS_CHANGED = 490 "permission grant or revoke changed gids"; 491 492 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 493 "permissions revoked"; 494 495 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 496 497 private static final String PACKAGE_SCHEME = "package"; 498 499 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 500 501 /** Permission grant: not grant the permission. */ 502 private static final int GRANT_DENIED = 1; 503 504 /** Permission grant: grant the permission as an install permission. */ 505 private static final int GRANT_INSTALL = 2; 506 507 /** Permission grant: grant the permission as a runtime one. */ 508 private static final int GRANT_RUNTIME = 3; 509 510 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 511 private static final int GRANT_UPGRADE = 4; 512 513 /** Canonical intent used to identify what counts as a "web browser" app */ 514 private static final Intent sBrowserIntent; 515 static { 516 sBrowserIntent = new Intent(); 517 sBrowserIntent.setAction(Intent.ACTION_VIEW); 518 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 519 sBrowserIntent.setData(Uri.parse("http:")); 520 } 521 522 /** 523 * The set of all protected actions [i.e. those actions for which a high priority 524 * intent filter is disallowed]. 525 */ 526 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 527 static { 528 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 529 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 530 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 531 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 532 } 533 534 // Compilation reasons. 535 public static final int REASON_FIRST_BOOT = 0; 536 public static final int REASON_BOOT = 1; 537 public static final int REASON_INSTALL = 2; 538 public static final int REASON_BACKGROUND_DEXOPT = 3; 539 public static final int REASON_AB_OTA = 4; 540 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 541 public static final int REASON_SHARED_APK = 6; 542 public static final int REASON_FORCED_DEXOPT = 7; 543 public static final int REASON_CORE_APP = 8; 544 545 public static final int REASON_LAST = REASON_CORE_APP; 546 547 /** All dangerous permission names in the same order as the events in MetricsEvent */ 548 private static final List<String> ALL_DANGEROUS_PERMISSIONS = Arrays.asList( 549 Manifest.permission.READ_CALENDAR, 550 Manifest.permission.WRITE_CALENDAR, 551 Manifest.permission.CAMERA, 552 Manifest.permission.READ_CONTACTS, 553 Manifest.permission.WRITE_CONTACTS, 554 Manifest.permission.GET_ACCOUNTS, 555 Manifest.permission.ACCESS_FINE_LOCATION, 556 Manifest.permission.ACCESS_COARSE_LOCATION, 557 Manifest.permission.RECORD_AUDIO, 558 Manifest.permission.READ_PHONE_STATE, 559 Manifest.permission.CALL_PHONE, 560 Manifest.permission.READ_CALL_LOG, 561 Manifest.permission.WRITE_CALL_LOG, 562 Manifest.permission.ADD_VOICEMAIL, 563 Manifest.permission.USE_SIP, 564 Manifest.permission.PROCESS_OUTGOING_CALLS, 565 Manifest.permission.READ_CELL_BROADCASTS, 566 Manifest.permission.BODY_SENSORS, 567 Manifest.permission.SEND_SMS, 568 Manifest.permission.RECEIVE_SMS, 569 Manifest.permission.READ_SMS, 570 Manifest.permission.RECEIVE_WAP_PUSH, 571 Manifest.permission.RECEIVE_MMS, 572 Manifest.permission.READ_EXTERNAL_STORAGE, 573 Manifest.permission.WRITE_EXTERNAL_STORAGE, 574 Manifest.permission.READ_PHONE_NUMBER, 575 Manifest.permission.ANSWER_PHONE_CALLS); 576 577 578 /** 579 * Version number for the package parser cache. Increment this whenever the format or 580 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 581 */ 582 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 583 584 /** 585 * Whether the package parser cache is enabled. 586 */ 587 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 588 589 final ServiceThread mHandlerThread; 590 591 final PackageHandler mHandler; 592 593 private final ProcessLoggingHandler mProcessLoggingHandler; 594 595 /** 596 * Messages for {@link #mHandler} that need to wait for system ready before 597 * being dispatched. 598 */ 599 private ArrayList<Message> mPostSystemReadyMessages; 600 601 final int mSdkVersion = Build.VERSION.SDK_INT; 602 603 final Context mContext; 604 final boolean mFactoryTest; 605 final boolean mOnlyCore; 606 final DisplayMetrics mMetrics; 607 final int mDefParseFlags; 608 final String[] mSeparateProcesses; 609 final boolean mIsUpgrade; 610 final boolean mIsPreNUpgrade; 611 final boolean mIsPreNMR1Upgrade; 612 613 @GuardedBy("mPackages") 614 private boolean mDexOptDialogShown; 615 616 /** The location for ASEC container files on internal storage. */ 617 final String mAsecInternalPath; 618 619 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 620 // LOCK HELD. Can be called with mInstallLock held. 621 @GuardedBy("mInstallLock") 622 final Installer mInstaller; 623 624 /** Directory where installed third-party apps stored */ 625 final File mAppInstallDir; 626 627 /** 628 * Directory to which applications installed internally have their 629 * 32 bit native libraries copied. 630 */ 631 private File mAppLib32InstallDir; 632 633 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 634 // apps. 635 final File mDrmAppPrivateInstallDir; 636 637 // ---------------------------------------------------------------- 638 639 // Lock for state used when installing and doing other long running 640 // operations. Methods that must be called with this lock held have 641 // the suffix "LI". 642 final Object mInstallLock = new Object(); 643 644 // ---------------------------------------------------------------- 645 646 // Keys are String (package name), values are Package. This also serves 647 // as the lock for the global state. Methods that must be called with 648 // this lock held have the prefix "LP". 649 @GuardedBy("mPackages") 650 final ArrayMap<String, PackageParser.Package> mPackages = 651 new ArrayMap<String, PackageParser.Package>(); 652 653 final ArrayMap<String, Set<String>> mKnownCodebase = 654 new ArrayMap<String, Set<String>>(); 655 656 // List of APK paths to load for each user and package. This data is never 657 // persisted by the package manager. Instead, the overlay manager will 658 // ensure the data is up-to-date in runtime. 659 @GuardedBy("mPackages") 660 final SparseArray<ArrayMap<String, ArrayList<String>>> mEnabledOverlayPaths = 661 new SparseArray<ArrayMap<String, ArrayList<String>>>(); 662 663 /** 664 * Tracks new system packages [received in an OTA] that we expect to 665 * find updated user-installed versions. Keys are package name, values 666 * are package location. 667 */ 668 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 669 /** 670 * Tracks high priority intent filters for protected actions. During boot, certain 671 * filter actions are protected and should never be allowed to have a high priority 672 * intent filter for them. However, there is one, and only one exception -- the 673 * setup wizard. It must be able to define a high priority intent filter for these 674 * actions to ensure there are no escapes from the wizard. We need to delay processing 675 * of these during boot as we need to look at all of the system packages in order 676 * to know which component is the setup wizard. 677 */ 678 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 679 /** 680 * Whether or not processing protected filters should be deferred. 681 */ 682 private boolean mDeferProtectedFilters = true; 683 684 /** 685 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 686 */ 687 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 688 /** 689 * Whether or not system app permissions should be promoted from install to runtime. 690 */ 691 boolean mPromoteSystemApps; 692 693 @GuardedBy("mPackages") 694 final Settings mSettings; 695 696 /** 697 * Set of package names that are currently "frozen", which means active 698 * surgery is being done on the code/data for that package. The platform 699 * will refuse to launch frozen packages to avoid race conditions. 700 * 701 * @see PackageFreezer 702 */ 703 @GuardedBy("mPackages") 704 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 705 706 final ProtectedPackages mProtectedPackages; 707 708 boolean mFirstBoot; 709 710 PackageManagerInternal.ExternalSourcesPolicy mExternalSourcesPolicy; 711 712 // System configuration read by SystemConfig. 713 final int[] mGlobalGids; 714 final SparseArray<ArraySet<String>> mSystemPermissions; 715 @GuardedBy("mAvailableFeatures") 716 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 717 718 // If mac_permissions.xml was found for seinfo labeling. 719 boolean mFoundPolicyFile; 720 721 private final InstantAppRegistry mInstantAppRegistry; 722 723 @GuardedBy("mPackages") 724 int mChangedPackagesSequenceNumber; 725 /** 726 * List of changed [installed, removed or updated] packages. 727 * mapping from user id -> sequence number -> package name 728 */ 729 @GuardedBy("mPackages") 730 final SparseArray<SparseArray<String>> mChangedPackages = new SparseArray<>(); 731 /** 732 * The sequence number of the last change to a package. 733 * mapping from user id -> package name -> sequence number 734 */ 735 @GuardedBy("mPackages") 736 final SparseArray<Map<String, Integer>> mChangedPackagesSequenceNumbers = new SparseArray<>(); 737 738 final PackageParser.Callback mPackageParserCallback = new PackageParser.Callback() { 739 @Override public boolean hasFeature(String feature) { 740 return PackageManagerService.this.hasSystemFeature(feature, 0); 741 } 742 }; 743 744 public static final class SharedLibraryEntry { 745 public final String path; 746 public final String apk; 747 public final SharedLibraryInfo info; 748 749 SharedLibraryEntry(String _path, String _apk, String name, int version, int type, 750 String declaringPackageName, int declaringPackageVersionCode) { 751 path = _path; 752 apk = _apk; 753 info = new SharedLibraryInfo(name, version, type, new VersionedPackage( 754 declaringPackageName, declaringPackageVersionCode), null); 755 } 756 } 757 758 // Currently known shared libraries. 759 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mSharedLibraries = new ArrayMap<>(); 760 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mStaticLibsByDeclaringPackage = 761 new ArrayMap<>(); 762 763 // All available activities, for your resolving pleasure. 764 final ActivityIntentResolver mActivities = 765 new ActivityIntentResolver(); 766 767 // All available receivers, for your resolving pleasure. 768 final ActivityIntentResolver mReceivers = 769 new ActivityIntentResolver(); 770 771 // All available services, for your resolving pleasure. 772 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 773 774 // All available providers, for your resolving pleasure. 775 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 776 777 // Mapping from provider base names (first directory in content URI codePath) 778 // to the provider information. 779 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 780 new ArrayMap<String, PackageParser.Provider>(); 781 782 // Mapping from instrumentation class names to info about them. 783 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 784 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 785 786 // Mapping from permission names to info about them. 787 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 788 new ArrayMap<String, PackageParser.PermissionGroup>(); 789 790 // Packages whose data we have transfered into another package, thus 791 // should no longer exist. 792 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 793 794 // Broadcast actions that are only available to the system. 795 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 796 797 /** List of packages waiting for verification. */ 798 final SparseArray<PackageVerificationState> mPendingVerification 799 = new SparseArray<PackageVerificationState>(); 800 801 /** Set of packages associated with each app op permission. */ 802 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 803 804 final PackageInstallerService mInstallerService; 805 806 private final PackageDexOptimizer mPackageDexOptimizer; 807 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 808 // is used by other apps). 809 private final DexManager mDexManager; 810 811 private AtomicInteger mNextMoveId = new AtomicInteger(); 812 private final MoveCallbacks mMoveCallbacks; 813 814 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 815 816 // Cache of users who need badging. 817 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 818 819 /** Token for keys in mPendingVerification. */ 820 private int mPendingVerificationToken = 0; 821 822 volatile boolean mSystemReady; 823 volatile boolean mSafeMode; 824 volatile boolean mHasSystemUidErrors; 825 826 ApplicationInfo mAndroidApplication; 827 final ActivityInfo mResolveActivity = new ActivityInfo(); 828 final ResolveInfo mResolveInfo = new ResolveInfo(); 829 ComponentName mResolveComponentName; 830 PackageParser.Package mPlatformPackage; 831 ComponentName mCustomResolverComponentName; 832 833 boolean mResolverReplaced = false; 834 835 private final @Nullable ComponentName mIntentFilterVerifierComponent; 836 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 837 838 private int mIntentFilterVerificationToken = 0; 839 840 /** The service connection to the ephemeral resolver */ 841 final EphemeralResolverConnection mInstantAppResolverConnection; 842 843 /** Component used to install ephemeral applications */ 844 ComponentName mInstantAppInstallerComponent; 845 final ActivityInfo mInstantAppInstallerActivity = new ActivityInfo(); 846 final ResolveInfo mInstantAppInstallerInfo = new ResolveInfo(); 847 848 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 849 = new SparseArray<IntentFilterVerificationState>(); 850 851 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 852 853 // List of packages names to keep cached, even if they are uninstalled for all users 854 private List<String> mKeepUninstalledPackages; 855 856 private UserManagerInternal mUserManagerInternal; 857 858 private DeviceIdleController.LocalService mDeviceIdleController; 859 860 private File mCacheDir; 861 862 private ArraySet<String> mPrivappPermissionsViolations; 863 864 private Future<?> mPrepareAppDataFuture; 865 866 private static class IFVerificationParams { 867 PackageParser.Package pkg; 868 boolean replacing; 869 int userId; 870 int verifierUid; 871 872 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 873 int _userId, int _verifierUid) { 874 pkg = _pkg; 875 replacing = _replacing; 876 userId = _userId; 877 replacing = _replacing; 878 verifierUid = _verifierUid; 879 } 880 } 881 882 private interface IntentFilterVerifier<T extends IntentFilter> { 883 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 884 T filter, String packageName); 885 void startVerifications(int userId); 886 void receiveVerificationResponse(int verificationId); 887 } 888 889 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 890 private Context mContext; 891 private ComponentName mIntentFilterVerifierComponent; 892 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 893 894 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 895 mContext = context; 896 mIntentFilterVerifierComponent = verifierComponent; 897 } 898 899 private String getDefaultScheme() { 900 return IntentFilter.SCHEME_HTTPS; 901 } 902 903 @Override 904 public void startVerifications(int userId) { 905 // Launch verifications requests 906 int count = mCurrentIntentFilterVerifications.size(); 907 for (int n=0; n<count; n++) { 908 int verificationId = mCurrentIntentFilterVerifications.get(n); 909 final IntentFilterVerificationState ivs = 910 mIntentFilterVerificationStates.get(verificationId); 911 912 String packageName = ivs.getPackageName(); 913 914 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 915 final int filterCount = filters.size(); 916 ArraySet<String> domainsSet = new ArraySet<>(); 917 for (int m=0; m<filterCount; m++) { 918 PackageParser.ActivityIntentInfo filter = filters.get(m); 919 domainsSet.addAll(filter.getHostsList()); 920 } 921 synchronized (mPackages) { 922 if (mSettings.createIntentFilterVerificationIfNeededLPw( 923 packageName, domainsSet) != null) { 924 scheduleWriteSettingsLocked(); 925 } 926 } 927 sendVerificationRequest(userId, verificationId, ivs); 928 } 929 mCurrentIntentFilterVerifications.clear(); 930 } 931 932 private void sendVerificationRequest(int userId, int verificationId, 933 IntentFilterVerificationState ivs) { 934 935 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 936 verificationIntent.putExtra( 937 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 938 verificationId); 939 verificationIntent.putExtra( 940 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 941 getDefaultScheme()); 942 verificationIntent.putExtra( 943 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 944 ivs.getHostsString()); 945 verificationIntent.putExtra( 946 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 947 ivs.getPackageName()); 948 verificationIntent.setComponent(mIntentFilterVerifierComponent); 949 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 950 951 UserHandle user = new UserHandle(userId); 952 mContext.sendBroadcastAsUser(verificationIntent, user); 953 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 954 "Sending IntentFilter verification broadcast"); 955 } 956 957 public void receiveVerificationResponse(int verificationId) { 958 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 959 960 final boolean verified = ivs.isVerified(); 961 962 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 963 final int count = filters.size(); 964 if (DEBUG_DOMAIN_VERIFICATION) { 965 Slog.i(TAG, "Received verification response " + verificationId 966 + " for " + count + " filters, verified=" + verified); 967 } 968 for (int n=0; n<count; n++) { 969 PackageParser.ActivityIntentInfo filter = filters.get(n); 970 filter.setVerified(verified); 971 972 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 973 + " verified with result:" + verified + " and hosts:" 974 + ivs.getHostsString()); 975 } 976 977 mIntentFilterVerificationStates.remove(verificationId); 978 979 final String packageName = ivs.getPackageName(); 980 IntentFilterVerificationInfo ivi = null; 981 982 synchronized (mPackages) { 983 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 984 } 985 if (ivi == null) { 986 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 987 + verificationId + " packageName:" + packageName); 988 return; 989 } 990 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 991 "Updating IntentFilterVerificationInfo for package " + packageName 992 +" verificationId:" + verificationId); 993 994 synchronized (mPackages) { 995 if (verified) { 996 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 997 } else { 998 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 999 } 1000 scheduleWriteSettingsLocked(); 1001 1002 final int userId = ivs.getUserId(); 1003 if (userId != UserHandle.USER_ALL) { 1004 final int userStatus = 1005 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 1006 1007 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 1008 boolean needUpdate = false; 1009 1010 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 1011 // already been set by the User thru the Disambiguation dialog 1012 switch (userStatus) { 1013 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 1014 if (verified) { 1015 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1016 } else { 1017 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 1018 } 1019 needUpdate = true; 1020 break; 1021 1022 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 1023 if (verified) { 1024 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1025 needUpdate = true; 1026 } 1027 break; 1028 1029 default: 1030 // Nothing to do 1031 } 1032 1033 if (needUpdate) { 1034 mSettings.updateIntentFilterVerificationStatusLPw( 1035 packageName, updatedStatus, userId); 1036 scheduleWritePackageRestrictionsLocked(userId); 1037 } 1038 } 1039 } 1040 } 1041 1042 @Override 1043 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 1044 ActivityIntentInfo filter, String packageName) { 1045 if (!hasValidDomains(filter)) { 1046 return false; 1047 } 1048 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1049 if (ivs == null) { 1050 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1051 packageName); 1052 } 1053 if (DEBUG_DOMAIN_VERIFICATION) { 1054 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1055 } 1056 ivs.addFilter(filter); 1057 return true; 1058 } 1059 1060 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1061 int userId, int verificationId, String packageName) { 1062 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1063 verifierUid, userId, packageName); 1064 ivs.setPendingState(); 1065 synchronized (mPackages) { 1066 mIntentFilterVerificationStates.append(verificationId, ivs); 1067 mCurrentIntentFilterVerifications.add(verificationId); 1068 } 1069 return ivs; 1070 } 1071 } 1072 1073 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1074 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1075 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1076 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1077 } 1078 1079 // Set of pending broadcasts for aggregating enable/disable of components. 1080 static class PendingPackageBroadcasts { 1081 // for each user id, a map of <package name -> components within that package> 1082 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1083 1084 public PendingPackageBroadcasts() { 1085 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1086 } 1087 1088 public ArrayList<String> get(int userId, String packageName) { 1089 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1090 return packages.get(packageName); 1091 } 1092 1093 public void put(int userId, String packageName, ArrayList<String> components) { 1094 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1095 packages.put(packageName, components); 1096 } 1097 1098 public void remove(int userId, String packageName) { 1099 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1100 if (packages != null) { 1101 packages.remove(packageName); 1102 } 1103 } 1104 1105 public void remove(int userId) { 1106 mUidMap.remove(userId); 1107 } 1108 1109 public int userIdCount() { 1110 return mUidMap.size(); 1111 } 1112 1113 public int userIdAt(int n) { 1114 return mUidMap.keyAt(n); 1115 } 1116 1117 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1118 return mUidMap.get(userId); 1119 } 1120 1121 public int size() { 1122 // total number of pending broadcast entries across all userIds 1123 int num = 0; 1124 for (int i = 0; i< mUidMap.size(); i++) { 1125 num += mUidMap.valueAt(i).size(); 1126 } 1127 return num; 1128 } 1129 1130 public void clear() { 1131 mUidMap.clear(); 1132 } 1133 1134 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1135 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1136 if (map == null) { 1137 map = new ArrayMap<String, ArrayList<String>>(); 1138 mUidMap.put(userId, map); 1139 } 1140 return map; 1141 } 1142 } 1143 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1144 1145 // Service Connection to remote media container service to copy 1146 // package uri's from external media onto secure containers 1147 // or internal storage. 1148 private IMediaContainerService mContainerService = null; 1149 1150 static final int SEND_PENDING_BROADCAST = 1; 1151 static final int MCS_BOUND = 3; 1152 static final int END_COPY = 4; 1153 static final int INIT_COPY = 5; 1154 static final int MCS_UNBIND = 6; 1155 static final int START_CLEANING_PACKAGE = 7; 1156 static final int FIND_INSTALL_LOC = 8; 1157 static final int POST_INSTALL = 9; 1158 static final int MCS_RECONNECT = 10; 1159 static final int MCS_GIVE_UP = 11; 1160 static final int UPDATED_MEDIA_STATUS = 12; 1161 static final int WRITE_SETTINGS = 13; 1162 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1163 static final int PACKAGE_VERIFIED = 15; 1164 static final int CHECK_PENDING_VERIFICATION = 16; 1165 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1166 static final int INTENT_FILTER_VERIFIED = 18; 1167 static final int WRITE_PACKAGE_LIST = 19; 1168 static final int INSTANT_APP_RESOLUTION_PHASE_TWO = 20; 1169 1170 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1171 1172 // Delay time in millisecs 1173 static final int BROADCAST_DELAY = 10 * 1000; 1174 1175 static UserManagerService sUserManager; 1176 1177 // Stores a list of users whose package restrictions file needs to be updated 1178 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1179 1180 final private DefaultContainerConnection mDefContainerConn = 1181 new DefaultContainerConnection(); 1182 class DefaultContainerConnection implements ServiceConnection { 1183 public void onServiceConnected(ComponentName name, IBinder service) { 1184 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1185 final IMediaContainerService imcs = IMediaContainerService.Stub 1186 .asInterface(Binder.allowBlocking(service)); 1187 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1188 } 1189 1190 public void onServiceDisconnected(ComponentName name) { 1191 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1192 } 1193 } 1194 1195 // Recordkeeping of restore-after-install operations that are currently in flight 1196 // between the Package Manager and the Backup Manager 1197 static class PostInstallData { 1198 public InstallArgs args; 1199 public PackageInstalledInfo res; 1200 1201 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1202 args = _a; 1203 res = _r; 1204 } 1205 } 1206 1207 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1208 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1209 1210 // XML tags for backup/restore of various bits of state 1211 private static final String TAG_PREFERRED_BACKUP = "pa"; 1212 private static final String TAG_DEFAULT_APPS = "da"; 1213 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1214 1215 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1216 private static final String TAG_ALL_GRANTS = "rt-grants"; 1217 private static final String TAG_GRANT = "grant"; 1218 private static final String ATTR_PACKAGE_NAME = "pkg"; 1219 1220 private static final String TAG_PERMISSION = "perm"; 1221 private static final String ATTR_PERMISSION_NAME = "name"; 1222 private static final String ATTR_IS_GRANTED = "g"; 1223 private static final String ATTR_USER_SET = "set"; 1224 private static final String ATTR_USER_FIXED = "fixed"; 1225 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1226 1227 // System/policy permission grants are not backed up 1228 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1229 FLAG_PERMISSION_POLICY_FIXED 1230 | FLAG_PERMISSION_SYSTEM_FIXED 1231 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1232 1233 // And we back up these user-adjusted states 1234 private static final int USER_RUNTIME_GRANT_MASK = 1235 FLAG_PERMISSION_USER_SET 1236 | FLAG_PERMISSION_USER_FIXED 1237 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1238 1239 final @Nullable String mRequiredVerifierPackage; 1240 final @NonNull String mRequiredInstallerPackage; 1241 final @NonNull String mRequiredUninstallerPackage; 1242 final @Nullable String mSetupWizardPackage; 1243 final @Nullable String mStorageManagerPackage; 1244 final @NonNull String mServicesSystemSharedLibraryPackageName; 1245 final @NonNull String mSharedSystemSharedLibraryPackageName; 1246 1247 final boolean mPermissionReviewRequired; 1248 1249 private final PackageUsage mPackageUsage = new PackageUsage(); 1250 private final CompilerStats mCompilerStats = new CompilerStats(); 1251 1252 class PackageHandler extends Handler { 1253 private boolean mBound = false; 1254 final ArrayList<HandlerParams> mPendingInstalls = 1255 new ArrayList<HandlerParams>(); 1256 1257 private boolean connectToService() { 1258 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1259 " DefaultContainerService"); 1260 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1261 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1262 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1263 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1264 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1265 mBound = true; 1266 return true; 1267 } 1268 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1269 return false; 1270 } 1271 1272 private void disconnectService() { 1273 mContainerService = null; 1274 mBound = false; 1275 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1276 mContext.unbindService(mDefContainerConn); 1277 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1278 } 1279 1280 PackageHandler(Looper looper) { 1281 super(looper); 1282 } 1283 1284 public void handleMessage(Message msg) { 1285 try { 1286 doHandleMessage(msg); 1287 } finally { 1288 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1289 } 1290 } 1291 1292 void doHandleMessage(Message msg) { 1293 switch (msg.what) { 1294 case INIT_COPY: { 1295 HandlerParams params = (HandlerParams) msg.obj; 1296 int idx = mPendingInstalls.size(); 1297 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1298 // If a bind was already initiated we dont really 1299 // need to do anything. The pending install 1300 // will be processed later on. 1301 if (!mBound) { 1302 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1303 System.identityHashCode(mHandler)); 1304 // If this is the only one pending we might 1305 // have to bind to the service again. 1306 if (!connectToService()) { 1307 Slog.e(TAG, "Failed to bind to media container service"); 1308 params.serviceError(); 1309 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1310 System.identityHashCode(mHandler)); 1311 if (params.traceMethod != null) { 1312 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1313 params.traceCookie); 1314 } 1315 return; 1316 } else { 1317 // Once we bind to the service, the first 1318 // pending request will be processed. 1319 mPendingInstalls.add(idx, params); 1320 } 1321 } else { 1322 mPendingInstalls.add(idx, params); 1323 // Already bound to the service. Just make 1324 // sure we trigger off processing the first request. 1325 if (idx == 0) { 1326 mHandler.sendEmptyMessage(MCS_BOUND); 1327 } 1328 } 1329 break; 1330 } 1331 case MCS_BOUND: { 1332 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1333 if (msg.obj != null) { 1334 mContainerService = (IMediaContainerService) msg.obj; 1335 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1336 System.identityHashCode(mHandler)); 1337 } 1338 if (mContainerService == null) { 1339 if (!mBound) { 1340 // Something seriously wrong since we are not bound and we are not 1341 // waiting for connection. Bail out. 1342 Slog.e(TAG, "Cannot bind to media container service"); 1343 for (HandlerParams params : mPendingInstalls) { 1344 // Indicate service bind error 1345 params.serviceError(); 1346 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1347 System.identityHashCode(params)); 1348 if (params.traceMethod != null) { 1349 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1350 params.traceMethod, params.traceCookie); 1351 } 1352 return; 1353 } 1354 mPendingInstalls.clear(); 1355 } else { 1356 Slog.w(TAG, "Waiting to connect to media container service"); 1357 } 1358 } else if (mPendingInstalls.size() > 0) { 1359 HandlerParams params = mPendingInstalls.get(0); 1360 if (params != null) { 1361 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1362 System.identityHashCode(params)); 1363 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1364 if (params.startCopy()) { 1365 // We are done... look for more work or to 1366 // go idle. 1367 if (DEBUG_SD_INSTALL) Log.i(TAG, 1368 "Checking for more work or unbind..."); 1369 // Delete pending install 1370 if (mPendingInstalls.size() > 0) { 1371 mPendingInstalls.remove(0); 1372 } 1373 if (mPendingInstalls.size() == 0) { 1374 if (mBound) { 1375 if (DEBUG_SD_INSTALL) Log.i(TAG, 1376 "Posting delayed MCS_UNBIND"); 1377 removeMessages(MCS_UNBIND); 1378 Message ubmsg = obtainMessage(MCS_UNBIND); 1379 // Unbind after a little delay, to avoid 1380 // continual thrashing. 1381 sendMessageDelayed(ubmsg, 10000); 1382 } 1383 } else { 1384 // There are more pending requests in queue. 1385 // Just post MCS_BOUND message to trigger processing 1386 // of next pending install. 1387 if (DEBUG_SD_INSTALL) Log.i(TAG, 1388 "Posting MCS_BOUND for next work"); 1389 mHandler.sendEmptyMessage(MCS_BOUND); 1390 } 1391 } 1392 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1393 } 1394 } else { 1395 // Should never happen ideally. 1396 Slog.w(TAG, "Empty queue"); 1397 } 1398 break; 1399 } 1400 case MCS_RECONNECT: { 1401 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1402 if (mPendingInstalls.size() > 0) { 1403 if (mBound) { 1404 disconnectService(); 1405 } 1406 if (!connectToService()) { 1407 Slog.e(TAG, "Failed to bind to media container service"); 1408 for (HandlerParams params : mPendingInstalls) { 1409 // Indicate service bind error 1410 params.serviceError(); 1411 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1412 System.identityHashCode(params)); 1413 } 1414 mPendingInstalls.clear(); 1415 } 1416 } 1417 break; 1418 } 1419 case MCS_UNBIND: { 1420 // If there is no actual work left, then time to unbind. 1421 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1422 1423 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1424 if (mBound) { 1425 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1426 1427 disconnectService(); 1428 } 1429 } else if (mPendingInstalls.size() > 0) { 1430 // There are more pending requests in queue. 1431 // Just post MCS_BOUND message to trigger processing 1432 // of next pending install. 1433 mHandler.sendEmptyMessage(MCS_BOUND); 1434 } 1435 1436 break; 1437 } 1438 case MCS_GIVE_UP: { 1439 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1440 HandlerParams params = mPendingInstalls.remove(0); 1441 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1442 System.identityHashCode(params)); 1443 break; 1444 } 1445 case SEND_PENDING_BROADCAST: { 1446 String packages[]; 1447 ArrayList<String> components[]; 1448 int size = 0; 1449 int uids[]; 1450 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1451 synchronized (mPackages) { 1452 if (mPendingBroadcasts == null) { 1453 return; 1454 } 1455 size = mPendingBroadcasts.size(); 1456 if (size <= 0) { 1457 // Nothing to be done. Just return 1458 return; 1459 } 1460 packages = new String[size]; 1461 components = new ArrayList[size]; 1462 uids = new int[size]; 1463 int i = 0; // filling out the above arrays 1464 1465 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1466 int packageUserId = mPendingBroadcasts.userIdAt(n); 1467 Iterator<Map.Entry<String, ArrayList<String>>> it 1468 = mPendingBroadcasts.packagesForUserId(packageUserId) 1469 .entrySet().iterator(); 1470 while (it.hasNext() && i < size) { 1471 Map.Entry<String, ArrayList<String>> ent = it.next(); 1472 packages[i] = ent.getKey(); 1473 components[i] = ent.getValue(); 1474 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1475 uids[i] = (ps != null) 1476 ? UserHandle.getUid(packageUserId, ps.appId) 1477 : -1; 1478 i++; 1479 } 1480 } 1481 size = i; 1482 mPendingBroadcasts.clear(); 1483 } 1484 // Send broadcasts 1485 for (int i = 0; i < size; i++) { 1486 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1487 } 1488 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1489 break; 1490 } 1491 case START_CLEANING_PACKAGE: { 1492 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1493 final String packageName = (String)msg.obj; 1494 final int userId = msg.arg1; 1495 final boolean andCode = msg.arg2 != 0; 1496 synchronized (mPackages) { 1497 if (userId == UserHandle.USER_ALL) { 1498 int[] users = sUserManager.getUserIds(); 1499 for (int user : users) { 1500 mSettings.addPackageToCleanLPw( 1501 new PackageCleanItem(user, packageName, andCode)); 1502 } 1503 } else { 1504 mSettings.addPackageToCleanLPw( 1505 new PackageCleanItem(userId, packageName, andCode)); 1506 } 1507 } 1508 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1509 startCleaningPackages(); 1510 } break; 1511 case POST_INSTALL: { 1512 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1513 1514 PostInstallData data = mRunningInstalls.get(msg.arg1); 1515 final boolean didRestore = (msg.arg2 != 0); 1516 mRunningInstalls.delete(msg.arg1); 1517 1518 if (data != null) { 1519 InstallArgs args = data.args; 1520 PackageInstalledInfo parentRes = data.res; 1521 1522 final boolean grantPermissions = (args.installFlags 1523 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1524 final boolean killApp = (args.installFlags 1525 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1526 final String[] grantedPermissions = args.installGrantPermissions; 1527 1528 // Handle the parent package 1529 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1530 grantedPermissions, didRestore, args.installerPackageName, 1531 args.observer); 1532 1533 // Handle the child packages 1534 final int childCount = (parentRes.addedChildPackages != null) 1535 ? parentRes.addedChildPackages.size() : 0; 1536 for (int i = 0; i < childCount; i++) { 1537 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1538 handlePackagePostInstall(childRes, grantPermissions, killApp, 1539 grantedPermissions, false, args.installerPackageName, 1540 args.observer); 1541 } 1542 1543 // Log tracing if needed 1544 if (args.traceMethod != null) { 1545 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1546 args.traceCookie); 1547 } 1548 } else { 1549 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1550 } 1551 1552 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1553 } break; 1554 case UPDATED_MEDIA_STATUS: { 1555 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1556 boolean reportStatus = msg.arg1 == 1; 1557 boolean doGc = msg.arg2 == 1; 1558 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1559 if (doGc) { 1560 // Force a gc to clear up stale containers. 1561 Runtime.getRuntime().gc(); 1562 } 1563 if (msg.obj != null) { 1564 @SuppressWarnings("unchecked") 1565 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1566 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1567 // Unload containers 1568 unloadAllContainers(args); 1569 } 1570 if (reportStatus) { 1571 try { 1572 if (DEBUG_SD_INSTALL) Log.i(TAG, 1573 "Invoking StorageManagerService call back"); 1574 PackageHelper.getStorageManager().finishMediaUpdate(); 1575 } catch (RemoteException e) { 1576 Log.e(TAG, "StorageManagerService not running?"); 1577 } 1578 } 1579 } break; 1580 case WRITE_SETTINGS: { 1581 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1582 synchronized (mPackages) { 1583 removeMessages(WRITE_SETTINGS); 1584 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1585 mSettings.writeLPr(); 1586 mDirtyUsers.clear(); 1587 } 1588 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1589 } break; 1590 case WRITE_PACKAGE_RESTRICTIONS: { 1591 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1592 synchronized (mPackages) { 1593 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1594 for (int userId : mDirtyUsers) { 1595 mSettings.writePackageRestrictionsLPr(userId); 1596 } 1597 mDirtyUsers.clear(); 1598 } 1599 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1600 } break; 1601 case WRITE_PACKAGE_LIST: { 1602 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1603 synchronized (mPackages) { 1604 removeMessages(WRITE_PACKAGE_LIST); 1605 mSettings.writePackageListLPr(msg.arg1); 1606 } 1607 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1608 } break; 1609 case CHECK_PENDING_VERIFICATION: { 1610 final int verificationId = msg.arg1; 1611 final PackageVerificationState state = mPendingVerification.get(verificationId); 1612 1613 if ((state != null) && !state.timeoutExtended()) { 1614 final InstallArgs args = state.getInstallArgs(); 1615 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1616 1617 Slog.i(TAG, "Verification timed out for " + originUri); 1618 mPendingVerification.remove(verificationId); 1619 1620 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1621 1622 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1623 Slog.i(TAG, "Continuing with installation of " + originUri); 1624 state.setVerifierResponse(Binder.getCallingUid(), 1625 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1626 broadcastPackageVerified(verificationId, originUri, 1627 PackageManager.VERIFICATION_ALLOW, 1628 state.getInstallArgs().getUser()); 1629 try { 1630 ret = args.copyApk(mContainerService, true); 1631 } catch (RemoteException e) { 1632 Slog.e(TAG, "Could not contact the ContainerService"); 1633 } 1634 } else { 1635 broadcastPackageVerified(verificationId, originUri, 1636 PackageManager.VERIFICATION_REJECT, 1637 state.getInstallArgs().getUser()); 1638 } 1639 1640 Trace.asyncTraceEnd( 1641 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1642 1643 processPendingInstall(args, ret); 1644 mHandler.sendEmptyMessage(MCS_UNBIND); 1645 } 1646 break; 1647 } 1648 case PACKAGE_VERIFIED: { 1649 final int verificationId = msg.arg1; 1650 1651 final PackageVerificationState state = mPendingVerification.get(verificationId); 1652 if (state == null) { 1653 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1654 break; 1655 } 1656 1657 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1658 1659 state.setVerifierResponse(response.callerUid, response.code); 1660 1661 if (state.isVerificationComplete()) { 1662 mPendingVerification.remove(verificationId); 1663 1664 final InstallArgs args = state.getInstallArgs(); 1665 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1666 1667 int ret; 1668 if (state.isInstallAllowed()) { 1669 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1670 broadcastPackageVerified(verificationId, originUri, 1671 response.code, state.getInstallArgs().getUser()); 1672 try { 1673 ret = args.copyApk(mContainerService, true); 1674 } catch (RemoteException e) { 1675 Slog.e(TAG, "Could not contact the ContainerService"); 1676 } 1677 } else { 1678 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1679 } 1680 1681 Trace.asyncTraceEnd( 1682 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1683 1684 processPendingInstall(args, ret); 1685 mHandler.sendEmptyMessage(MCS_UNBIND); 1686 } 1687 1688 break; 1689 } 1690 case START_INTENT_FILTER_VERIFICATIONS: { 1691 IFVerificationParams params = (IFVerificationParams) msg.obj; 1692 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1693 params.replacing, params.pkg); 1694 break; 1695 } 1696 case INTENT_FILTER_VERIFIED: { 1697 final int verificationId = msg.arg1; 1698 1699 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1700 verificationId); 1701 if (state == null) { 1702 Slog.w(TAG, "Invalid IntentFilter verification token " 1703 + verificationId + " received"); 1704 break; 1705 } 1706 1707 final int userId = state.getUserId(); 1708 1709 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1710 "Processing IntentFilter verification with token:" 1711 + verificationId + " and userId:" + userId); 1712 1713 final IntentFilterVerificationResponse response = 1714 (IntentFilterVerificationResponse) msg.obj; 1715 1716 state.setVerifierResponse(response.callerUid, response.code); 1717 1718 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1719 "IntentFilter verification with token:" + verificationId 1720 + " and userId:" + userId 1721 + " is settings verifier response with response code:" 1722 + response.code); 1723 1724 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1725 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1726 + response.getFailedDomainsString()); 1727 } 1728 1729 if (state.isVerificationComplete()) { 1730 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1731 } else { 1732 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1733 "IntentFilter verification with token:" + verificationId 1734 + " was not said to be complete"); 1735 } 1736 1737 break; 1738 } 1739 case INSTANT_APP_RESOLUTION_PHASE_TWO: { 1740 InstantAppResolver.doInstantAppResolutionPhaseTwo(mContext, 1741 mInstantAppResolverConnection, 1742 (InstantAppRequest) msg.obj, 1743 mInstantAppInstallerActivity, 1744 mHandler); 1745 } 1746 } 1747 } 1748 } 1749 1750 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1751 boolean killApp, String[] grantedPermissions, 1752 boolean launchedForRestore, String installerPackage, 1753 IPackageInstallObserver2 installObserver) { 1754 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1755 // Send the removed broadcasts 1756 if (res.removedInfo != null) { 1757 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1758 } 1759 1760 // Now that we successfully installed the package, grant runtime 1761 // permissions if requested before broadcasting the install. Also 1762 // for legacy apps in permission review mode we clear the permission 1763 // review flag which is used to emulate runtime permissions for 1764 // legacy apps. 1765 if (grantPermissions) { 1766 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1767 } 1768 1769 final boolean update = res.removedInfo != null 1770 && res.removedInfo.removedPackage != null; 1771 1772 // If this is the first time we have child packages for a disabled privileged 1773 // app that had no children, we grant requested runtime permissions to the new 1774 // children if the parent on the system image had them already granted. 1775 if (res.pkg.parentPackage != null) { 1776 synchronized (mPackages) { 1777 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1778 } 1779 } 1780 1781 synchronized (mPackages) { 1782 mInstantAppRegistry.onPackageInstalledLPw(res.pkg, res.newUsers); 1783 } 1784 1785 final String packageName = res.pkg.applicationInfo.packageName; 1786 1787 // Determine the set of users who are adding this package for 1788 // the first time vs. those who are seeing an update. 1789 int[] firstUsers = EMPTY_INT_ARRAY; 1790 int[] updateUsers = EMPTY_INT_ARRAY; 1791 final boolean allNewUsers = res.origUsers == null || res.origUsers.length == 0; 1792 final PackageSetting ps = (PackageSetting) res.pkg.mExtras; 1793 for (int newUser : res.newUsers) { 1794 if (ps.getInstantApp(newUser)) { 1795 continue; 1796 } 1797 if (allNewUsers) { 1798 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1799 continue; 1800 } 1801 boolean isNew = true; 1802 for (int origUser : res.origUsers) { 1803 if (origUser == newUser) { 1804 isNew = false; 1805 break; 1806 } 1807 } 1808 if (isNew) { 1809 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1810 } else { 1811 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1812 } 1813 } 1814 1815 // Send installed broadcasts if the package is not a static shared lib. 1816 if (res.pkg.staticSharedLibName == null) { 1817 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1818 1819 // Send added for users that see the package for the first time 1820 // sendPackageAddedForNewUsers also deals with system apps 1821 int appId = UserHandle.getAppId(res.uid); 1822 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 1823 sendPackageAddedForNewUsers(packageName, isSystem, appId, firstUsers); 1824 1825 // Send added for users that don't see the package for the first time 1826 Bundle extras = new Bundle(1); 1827 extras.putInt(Intent.EXTRA_UID, res.uid); 1828 if (update) { 1829 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1830 } 1831 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1832 extras, 0 /*flags*/, null /*targetPackage*/, 1833 null /*finishedReceiver*/, updateUsers); 1834 1835 // Send replaced for users that don't see the package for the first time 1836 if (update) { 1837 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1838 packageName, extras, 0 /*flags*/, 1839 null /*targetPackage*/, null /*finishedReceiver*/, 1840 updateUsers); 1841 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1842 null /*package*/, null /*extras*/, 0 /*flags*/, 1843 packageName /*targetPackage*/, 1844 null /*finishedReceiver*/, updateUsers); 1845 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1846 // First-install and we did a restore, so we're responsible for the 1847 // first-launch broadcast. 1848 if (DEBUG_BACKUP) { 1849 Slog.i(TAG, "Post-restore of " + packageName 1850 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1851 } 1852 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1853 } 1854 1855 // Send broadcast package appeared if forward locked/external for all users 1856 // treat asec-hosted packages like removable media on upgrade 1857 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1858 if (DEBUG_INSTALL) { 1859 Slog.i(TAG, "upgrading pkg " + res.pkg 1860 + " is ASEC-hosted -> AVAILABLE"); 1861 } 1862 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1863 ArrayList<String> pkgList = new ArrayList<>(1); 1864 pkgList.add(packageName); 1865 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1866 } 1867 } 1868 1869 // Work that needs to happen on first install within each user 1870 if (firstUsers != null && firstUsers.length > 0) { 1871 synchronized (mPackages) { 1872 for (int userId : firstUsers) { 1873 // If this app is a browser and it's newly-installed for some 1874 // users, clear any default-browser state in those users. The 1875 // app's nature doesn't depend on the user, so we can just check 1876 // its browser nature in any user and generalize. 1877 if (packageIsBrowser(packageName, userId)) { 1878 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1879 } 1880 1881 // We may also need to apply pending (restored) runtime 1882 // permission grants within these users. 1883 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1884 } 1885 } 1886 } 1887 1888 // Log current value of "unknown sources" setting 1889 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1890 getUnknownSourcesSettings()); 1891 1892 // Force a gc to clear up things 1893 Runtime.getRuntime().gc(); 1894 1895 // Remove the replaced package's older resources safely now 1896 // We delete after a gc for applications on sdcard. 1897 if (res.removedInfo != null && res.removedInfo.args != null) { 1898 synchronized (mInstallLock) { 1899 res.removedInfo.args.doPostDeleteLI(true); 1900 } 1901 } 1902 1903 // Notify DexManager that the package was installed for new users. 1904 // The updated users should already be indexed and the package code paths 1905 // should not change. 1906 // Don't notify the manager for ephemeral apps as they are not expected to 1907 // survive long enough to benefit of background optimizations. 1908 for (int userId : firstUsers) { 1909 PackageInfo info = getPackageInfo(packageName, /*flags*/ 0, userId); 1910 mDexManager.notifyPackageInstalled(info, userId); 1911 } 1912 } 1913 1914 // If someone is watching installs - notify them 1915 if (installObserver != null) { 1916 try { 1917 Bundle extras = extrasForInstallResult(res); 1918 installObserver.onPackageInstalled(res.name, res.returnCode, 1919 res.returnMsg, extras); 1920 } catch (RemoteException e) { 1921 Slog.i(TAG, "Observer no longer exists."); 1922 } 1923 } 1924 } 1925 1926 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1927 PackageParser.Package pkg) { 1928 if (pkg.parentPackage == null) { 1929 return; 1930 } 1931 if (pkg.requestedPermissions == null) { 1932 return; 1933 } 1934 final PackageSetting disabledSysParentPs = mSettings 1935 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1936 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1937 || !disabledSysParentPs.isPrivileged() 1938 || (disabledSysParentPs.childPackageNames != null 1939 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1940 return; 1941 } 1942 final int[] allUserIds = sUserManager.getUserIds(); 1943 final int permCount = pkg.requestedPermissions.size(); 1944 for (int i = 0; i < permCount; i++) { 1945 String permission = pkg.requestedPermissions.get(i); 1946 BasePermission bp = mSettings.mPermissions.get(permission); 1947 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1948 continue; 1949 } 1950 for (int userId : allUserIds) { 1951 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1952 permission, userId)) { 1953 grantRuntimePermission(pkg.packageName, permission, userId); 1954 } 1955 } 1956 } 1957 } 1958 1959 private StorageEventListener mStorageListener = new StorageEventListener() { 1960 @Override 1961 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1962 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1963 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1964 final String volumeUuid = vol.getFsUuid(); 1965 1966 // Clean up any users or apps that were removed or recreated 1967 // while this volume was missing 1968 sUserManager.reconcileUsers(volumeUuid); 1969 reconcileApps(volumeUuid); 1970 1971 // Clean up any install sessions that expired or were 1972 // cancelled while this volume was missing 1973 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1974 1975 loadPrivatePackages(vol); 1976 1977 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1978 unloadPrivatePackages(vol); 1979 } 1980 } 1981 1982 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1983 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1984 updateExternalMediaStatus(true, false); 1985 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1986 updateExternalMediaStatus(false, false); 1987 } 1988 } 1989 } 1990 1991 @Override 1992 public void onVolumeForgotten(String fsUuid) { 1993 if (TextUtils.isEmpty(fsUuid)) { 1994 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1995 return; 1996 } 1997 1998 // Remove any apps installed on the forgotten volume 1999 synchronized (mPackages) { 2000 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2001 for (PackageSetting ps : packages) { 2002 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2003 deletePackageVersioned(new VersionedPackage(ps.name, 2004 PackageManager.VERSION_CODE_HIGHEST), 2005 new LegacyPackageDeleteObserver(null).getBinder(), 2006 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2007 // Try very hard to release any references to this package 2008 // so we don't risk the system server being killed due to 2009 // open FDs 2010 AttributeCache.instance().removePackage(ps.name); 2011 } 2012 2013 mSettings.onVolumeForgotten(fsUuid); 2014 mSettings.writeLPr(); 2015 } 2016 } 2017 }; 2018 2019 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2020 String[] grantedPermissions) { 2021 for (int userId : userIds) { 2022 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2023 } 2024 } 2025 2026 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2027 String[] grantedPermissions) { 2028 SettingBase sb = (SettingBase) pkg.mExtras; 2029 if (sb == null) { 2030 return; 2031 } 2032 2033 PermissionsState permissionsState = sb.getPermissionsState(); 2034 2035 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2036 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2037 2038 final boolean supportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 2039 >= Build.VERSION_CODES.M; 2040 2041 for (String permission : pkg.requestedPermissions) { 2042 final BasePermission bp; 2043 synchronized (mPackages) { 2044 bp = mSettings.mPermissions.get(permission); 2045 } 2046 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2047 && (grantedPermissions == null 2048 || ArrayUtils.contains(grantedPermissions, permission))) { 2049 final int flags = permissionsState.getPermissionFlags(permission, userId); 2050 if (supportsRuntimePermissions) { 2051 // Installer cannot change immutable permissions. 2052 if ((flags & immutableFlags) == 0) { 2053 grantRuntimePermission(pkg.packageName, permission, userId); 2054 } 2055 } else if (mPermissionReviewRequired) { 2056 // In permission review mode we clear the review flag when we 2057 // are asked to install the app with all permissions granted. 2058 if ((flags & PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 2059 updatePermissionFlags(permission, pkg.packageName, 2060 PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED, 0, userId); 2061 } 2062 } 2063 } 2064 } 2065 } 2066 2067 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2068 Bundle extras = null; 2069 switch (res.returnCode) { 2070 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2071 extras = new Bundle(); 2072 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2073 res.origPermission); 2074 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2075 res.origPackage); 2076 break; 2077 } 2078 case PackageManager.INSTALL_SUCCEEDED: { 2079 extras = new Bundle(); 2080 extras.putBoolean(Intent.EXTRA_REPLACING, 2081 res.removedInfo != null && res.removedInfo.removedPackage != null); 2082 break; 2083 } 2084 } 2085 return extras; 2086 } 2087 2088 void scheduleWriteSettingsLocked() { 2089 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2090 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2091 } 2092 } 2093 2094 void scheduleWritePackageListLocked(int userId) { 2095 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2096 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2097 msg.arg1 = userId; 2098 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2099 } 2100 } 2101 2102 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2103 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2104 scheduleWritePackageRestrictionsLocked(userId); 2105 } 2106 2107 void scheduleWritePackageRestrictionsLocked(int userId) { 2108 final int[] userIds = (userId == UserHandle.USER_ALL) 2109 ? sUserManager.getUserIds() : new int[]{userId}; 2110 for (int nextUserId : userIds) { 2111 if (!sUserManager.exists(nextUserId)) return; 2112 mDirtyUsers.add(nextUserId); 2113 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2114 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2115 } 2116 } 2117 } 2118 2119 public static PackageManagerService main(Context context, Installer installer, 2120 boolean factoryTest, boolean onlyCore) { 2121 // Self-check for initial settings. 2122 PackageManagerServiceCompilerMapping.checkProperties(); 2123 2124 PackageManagerService m = new PackageManagerService(context, installer, 2125 factoryTest, onlyCore); 2126 m.enableSystemUserPackages(); 2127 ServiceManager.addService("package", m); 2128 return m; 2129 } 2130 2131 private void enableSystemUserPackages() { 2132 if (!UserManager.isSplitSystemUser()) { 2133 return; 2134 } 2135 // For system user, enable apps based on the following conditions: 2136 // - app is whitelisted or belong to one of these groups: 2137 // -- system app which has no launcher icons 2138 // -- system app which has INTERACT_ACROSS_USERS permission 2139 // -- system IME app 2140 // - app is not in the blacklist 2141 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2142 Set<String> enableApps = new ArraySet<>(); 2143 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2144 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2145 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2146 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2147 enableApps.addAll(wlApps); 2148 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2149 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2150 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2151 enableApps.removeAll(blApps); 2152 Log.i(TAG, "Applications installed for system user: " + enableApps); 2153 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2154 UserHandle.SYSTEM); 2155 final int allAppsSize = allAps.size(); 2156 synchronized (mPackages) { 2157 for (int i = 0; i < allAppsSize; i++) { 2158 String pName = allAps.get(i); 2159 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2160 // Should not happen, but we shouldn't be failing if it does 2161 if (pkgSetting == null) { 2162 continue; 2163 } 2164 boolean install = enableApps.contains(pName); 2165 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2166 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2167 + " for system user"); 2168 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2169 } 2170 } 2171 scheduleWritePackageRestrictionsLocked(UserHandle.USER_SYSTEM); 2172 } 2173 } 2174 2175 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2176 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2177 Context.DISPLAY_SERVICE); 2178 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2179 } 2180 2181 /** 2182 * Requests that files preopted on a secondary system partition be copied to the data partition 2183 * if possible. Note that the actual copying of the files is accomplished by init for security 2184 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2185 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2186 */ 2187 private static void requestCopyPreoptedFiles() { 2188 final int WAIT_TIME_MS = 100; 2189 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2190 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2191 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2192 // We will wait for up to 100 seconds. 2193 final long timeStart = SystemClock.uptimeMillis(); 2194 final long timeEnd = timeStart + 100 * 1000; 2195 long timeNow = timeStart; 2196 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2197 try { 2198 Thread.sleep(WAIT_TIME_MS); 2199 } catch (InterruptedException e) { 2200 // Do nothing 2201 } 2202 timeNow = SystemClock.uptimeMillis(); 2203 if (timeNow > timeEnd) { 2204 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2205 Slog.wtf(TAG, "cppreopt did not finish!"); 2206 break; 2207 } 2208 } 2209 2210 Slog.i(TAG, "cppreopts took " + (timeNow - timeStart) + " ms"); 2211 } 2212 } 2213 2214 public PackageManagerService(Context context, Installer installer, 2215 boolean factoryTest, boolean onlyCore) { 2216 LockGuard.installLock(mPackages, LockGuard.INDEX_PACKAGES); 2217 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2218 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2219 SystemClock.uptimeMillis()); 2220 2221 if (mSdkVersion <= 0) { 2222 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2223 } 2224 2225 mContext = context; 2226 2227 mPermissionReviewRequired = context.getResources().getBoolean( 2228 R.bool.config_permissionReviewRequired); 2229 2230 mFactoryTest = factoryTest; 2231 mOnlyCore = onlyCore; 2232 mMetrics = new DisplayMetrics(); 2233 mSettings = new Settings(mPackages); 2234 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2235 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2236 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2237 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2238 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2239 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2240 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2241 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2242 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2243 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2244 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2245 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2246 2247 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2248 if (separateProcesses != null && separateProcesses.length() > 0) { 2249 if ("*".equals(separateProcesses)) { 2250 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2251 mSeparateProcesses = null; 2252 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2253 } else { 2254 mDefParseFlags = 0; 2255 mSeparateProcesses = separateProcesses.split(","); 2256 Slog.w(TAG, "Running with debug.separate_processes: " 2257 + separateProcesses); 2258 } 2259 } else { 2260 mDefParseFlags = 0; 2261 mSeparateProcesses = null; 2262 } 2263 2264 mInstaller = installer; 2265 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2266 "*dexopt*"); 2267 mDexManager = new DexManager(this, mPackageDexOptimizer, installer, mInstallLock); 2268 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2269 2270 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2271 FgThread.get().getLooper()); 2272 2273 getDefaultDisplayMetrics(context, mMetrics); 2274 2275 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2276 SystemConfig systemConfig = SystemConfig.getInstance(); 2277 mGlobalGids = systemConfig.getGlobalGids(); 2278 mSystemPermissions = systemConfig.getSystemPermissions(); 2279 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2280 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2281 2282 mProtectedPackages = new ProtectedPackages(mContext); 2283 2284 synchronized (mInstallLock) { 2285 // writer 2286 synchronized (mPackages) { 2287 mHandlerThread = new ServiceThread(TAG, 2288 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2289 mHandlerThread.start(); 2290 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2291 mProcessLoggingHandler = new ProcessLoggingHandler(); 2292 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2293 2294 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2295 mInstantAppRegistry = new InstantAppRegistry(this); 2296 2297 File dataDir = Environment.getDataDirectory(); 2298 mAppInstallDir = new File(dataDir, "app"); 2299 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2300 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2301 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2302 sUserManager = new UserManagerService(context, this, 2303 new UserDataPreparer(mInstaller, mInstallLock, mContext, mOnlyCore), mPackages); 2304 2305 // Propagate permission configuration in to package manager. 2306 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2307 = systemConfig.getPermissions(); 2308 for (int i=0; i<permConfig.size(); i++) { 2309 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2310 BasePermission bp = mSettings.mPermissions.get(perm.name); 2311 if (bp == null) { 2312 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2313 mSettings.mPermissions.put(perm.name, bp); 2314 } 2315 if (perm.gids != null) { 2316 bp.setGids(perm.gids, perm.perUser); 2317 } 2318 } 2319 2320 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2321 final int builtInLibCount = libConfig.size(); 2322 for (int i = 0; i < builtInLibCount; i++) { 2323 String name = libConfig.keyAt(i); 2324 String path = libConfig.valueAt(i); 2325 addSharedLibraryLPw(path, null, name, SharedLibraryInfo.VERSION_UNDEFINED, 2326 SharedLibraryInfo.TYPE_BUILTIN, PLATFORM_PACKAGE_NAME, 0); 2327 } 2328 2329 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2330 2331 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2332 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2333 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2334 2335 // Clean up orphaned packages for which the code path doesn't exist 2336 // and they are an update to a system app - caused by bug/32321269 2337 final int packageSettingCount = mSettings.mPackages.size(); 2338 for (int i = packageSettingCount - 1; i >= 0; i--) { 2339 PackageSetting ps = mSettings.mPackages.valueAt(i); 2340 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2341 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2342 mSettings.mPackages.removeAt(i); 2343 mSettings.enableSystemPackageLPw(ps.name); 2344 } 2345 } 2346 2347 if (mFirstBoot) { 2348 requestCopyPreoptedFiles(); 2349 } 2350 2351 String customResolverActivity = Resources.getSystem().getString( 2352 R.string.config_customResolverActivity); 2353 if (TextUtils.isEmpty(customResolverActivity)) { 2354 customResolverActivity = null; 2355 } else { 2356 mCustomResolverComponentName = ComponentName.unflattenFromString( 2357 customResolverActivity); 2358 } 2359 2360 long startTime = SystemClock.uptimeMillis(); 2361 2362 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2363 startTime); 2364 2365 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2366 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2367 2368 if (bootClassPath == null) { 2369 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2370 } 2371 2372 if (systemServerClassPath == null) { 2373 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2374 } 2375 2376 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2377 final String[] dexCodeInstructionSets = 2378 getDexCodeInstructionSets( 2379 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2380 2381 /** 2382 * Ensure all external libraries have had dexopt run on them. 2383 */ 2384 if (mSharedLibraries.size() > 0) { 2385 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2386 // NOTE: For now, we're compiling these system "shared libraries" 2387 // (and framework jars) into all available architectures. It's possible 2388 // to compile them only when we come across an app that uses them (there's 2389 // already logic for that in scanPackageLI) but that adds some complexity. 2390 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2391 final int libCount = mSharedLibraries.size(); 2392 for (int i = 0; i < libCount; i++) { 2393 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 2394 final int versionCount = versionedLib.size(); 2395 for (int j = 0; j < versionCount; j++) { 2396 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 2397 final String libPath = libEntry.path != null 2398 ? libEntry.path : libEntry.apk; 2399 if (libPath == null) { 2400 continue; 2401 } 2402 try { 2403 // Shared libraries do not have profiles so we perform a full 2404 // AOT compilation (if needed). 2405 int dexoptNeeded = DexFile.getDexOptNeeded( 2406 libPath, dexCodeInstructionSet, 2407 getCompilerFilterForReason(REASON_SHARED_APK), 2408 false /* newProfile */); 2409 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2410 mInstaller.dexopt(libPath, Process.SYSTEM_UID, "*", 2411 dexCodeInstructionSet, dexoptNeeded, null, 2412 DEXOPT_PUBLIC, 2413 getCompilerFilterForReason(REASON_SHARED_APK), 2414 StorageManager.UUID_PRIVATE_INTERNAL, 2415 PackageDexOptimizer.SKIP_SHARED_LIBRARY_CHECK); 2416 } 2417 } catch (FileNotFoundException e) { 2418 Slog.w(TAG, "Library not found: " + libPath); 2419 } catch (IOException | InstallerException e) { 2420 Slog.w(TAG, "Cannot dexopt " + libPath + "; is it an APK or JAR? " 2421 + e.getMessage()); 2422 } 2423 } 2424 } 2425 } 2426 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2427 } 2428 2429 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2430 2431 final VersionInfo ver = mSettings.getInternalVersion(); 2432 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2433 2434 // when upgrading from pre-M, promote system app permissions from install to runtime 2435 mPromoteSystemApps = 2436 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2437 2438 // When upgrading from pre-N, we need to handle package extraction like first boot, 2439 // as there is no profiling data available. 2440 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2441 2442 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2443 2444 // save off the names of pre-existing system packages prior to scanning; we don't 2445 // want to automatically grant runtime permissions for new system apps 2446 if (mPromoteSystemApps) { 2447 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2448 while (pkgSettingIter.hasNext()) { 2449 PackageSetting ps = pkgSettingIter.next(); 2450 if (isSystemApp(ps)) { 2451 mExistingSystemPackages.add(ps.name); 2452 } 2453 } 2454 } 2455 2456 mCacheDir = preparePackageParserCache(mIsUpgrade); 2457 2458 // Set flag to monitor and not change apk file paths when 2459 // scanning install directories. 2460 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2461 2462 if (mIsUpgrade || mFirstBoot) { 2463 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2464 } 2465 2466 // Collect vendor overlay packages. (Do this before scanning any apps.) 2467 // For security and version matching reason, only consider 2468 // overlay packages if they reside in the right directory. 2469 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2470 | PackageParser.PARSE_IS_SYSTEM 2471 | PackageParser.PARSE_IS_SYSTEM_DIR 2472 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2473 2474 // Find base frameworks (resource packages without code). 2475 scanDirTracedLI(frameworkDir, mDefParseFlags 2476 | PackageParser.PARSE_IS_SYSTEM 2477 | PackageParser.PARSE_IS_SYSTEM_DIR 2478 | PackageParser.PARSE_IS_PRIVILEGED, 2479 scanFlags | SCAN_NO_DEX, 0); 2480 2481 // Collected privileged system packages. 2482 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2483 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2484 | PackageParser.PARSE_IS_SYSTEM 2485 | PackageParser.PARSE_IS_SYSTEM_DIR 2486 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2487 2488 // Collect ordinary system packages. 2489 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2490 scanDirTracedLI(systemAppDir, mDefParseFlags 2491 | PackageParser.PARSE_IS_SYSTEM 2492 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2493 2494 // Collect all vendor packages. 2495 File vendorAppDir = new File("/vendor/app"); 2496 try { 2497 vendorAppDir = vendorAppDir.getCanonicalFile(); 2498 } catch (IOException e) { 2499 // failed to look up canonical path, continue with original one 2500 } 2501 scanDirTracedLI(vendorAppDir, mDefParseFlags 2502 | PackageParser.PARSE_IS_SYSTEM 2503 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2504 2505 // Collect all OEM packages. 2506 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2507 scanDirTracedLI(oemAppDir, mDefParseFlags 2508 | PackageParser.PARSE_IS_SYSTEM 2509 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2510 2511 // Prune any system packages that no longer exist. 2512 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2513 if (!mOnlyCore) { 2514 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2515 while (psit.hasNext()) { 2516 PackageSetting ps = psit.next(); 2517 2518 /* 2519 * If this is not a system app, it can't be a 2520 * disable system app. 2521 */ 2522 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2523 continue; 2524 } 2525 2526 /* 2527 * If the package is scanned, it's not erased. 2528 */ 2529 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2530 if (scannedPkg != null) { 2531 /* 2532 * If the system app is both scanned and in the 2533 * disabled packages list, then it must have been 2534 * added via OTA. Remove it from the currently 2535 * scanned package so the previously user-installed 2536 * application can be scanned. 2537 */ 2538 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2539 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2540 + ps.name + "; removing system app. Last known codePath=" 2541 + ps.codePathString + ", installStatus=" + ps.installStatus 2542 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2543 + scannedPkg.mVersionCode); 2544 removePackageLI(scannedPkg, true); 2545 mExpectingBetter.put(ps.name, ps.codePath); 2546 } 2547 2548 continue; 2549 } 2550 2551 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2552 psit.remove(); 2553 logCriticalInfo(Log.WARN, "System package " + ps.name 2554 + " no longer exists; it's data will be wiped"); 2555 // Actual deletion of code and data will be handled by later 2556 // reconciliation step 2557 } else { 2558 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2559 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2560 possiblyDeletedUpdatedSystemApps.add(ps.name); 2561 } 2562 } 2563 } 2564 } 2565 2566 //look for any incomplete package installations 2567 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2568 for (int i = 0; i < deletePkgsList.size(); i++) { 2569 // Actual deletion of code and data will be handled by later 2570 // reconciliation step 2571 final String packageName = deletePkgsList.get(i).name; 2572 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2573 synchronized (mPackages) { 2574 mSettings.removePackageLPw(packageName); 2575 } 2576 } 2577 2578 //delete tmp files 2579 deleteTempPackageFiles(); 2580 2581 // Remove any shared userIDs that have no associated packages 2582 mSettings.pruneSharedUsersLPw(); 2583 2584 if (!mOnlyCore) { 2585 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2586 SystemClock.uptimeMillis()); 2587 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2588 2589 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2590 | PackageParser.PARSE_FORWARD_LOCK, 2591 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2592 2593 /** 2594 * Remove disable package settings for any updated system 2595 * apps that were removed via an OTA. If they're not a 2596 * previously-updated app, remove them completely. 2597 * Otherwise, just revoke their system-level permissions. 2598 */ 2599 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2600 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2601 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2602 2603 String msg; 2604 if (deletedPkg == null) { 2605 msg = "Updated system package " + deletedAppName 2606 + " no longer exists; it's data will be wiped"; 2607 // Actual deletion of code and data will be handled by later 2608 // reconciliation step 2609 } else { 2610 msg = "Updated system app + " + deletedAppName 2611 + " no longer present; removing system privileges for " 2612 + deletedAppName; 2613 2614 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2615 2616 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2617 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2618 } 2619 logCriticalInfo(Log.WARN, msg); 2620 } 2621 2622 /** 2623 * Make sure all system apps that we expected to appear on 2624 * the userdata partition actually showed up. If they never 2625 * appeared, crawl back and revive the system version. 2626 */ 2627 for (int i = 0; i < mExpectingBetter.size(); i++) { 2628 final String packageName = mExpectingBetter.keyAt(i); 2629 if (!mPackages.containsKey(packageName)) { 2630 final File scanFile = mExpectingBetter.valueAt(i); 2631 2632 logCriticalInfo(Log.WARN, "Expected better " + packageName 2633 + " but never showed up; reverting to system"); 2634 2635 int reparseFlags = mDefParseFlags; 2636 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2637 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2638 | PackageParser.PARSE_IS_SYSTEM_DIR 2639 | PackageParser.PARSE_IS_PRIVILEGED; 2640 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2641 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2642 | PackageParser.PARSE_IS_SYSTEM_DIR; 2643 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2644 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2645 | PackageParser.PARSE_IS_SYSTEM_DIR; 2646 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2647 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2648 | PackageParser.PARSE_IS_SYSTEM_DIR; 2649 } else { 2650 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2651 continue; 2652 } 2653 2654 mSettings.enableSystemPackageLPw(packageName); 2655 2656 try { 2657 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2658 } catch (PackageManagerException e) { 2659 Slog.e(TAG, "Failed to parse original system package: " 2660 + e.getMessage()); 2661 } 2662 } 2663 } 2664 } 2665 mExpectingBetter.clear(); 2666 2667 // Resolve the storage manager. 2668 mStorageManagerPackage = getStorageManagerPackageName(); 2669 2670 // Resolve protected action filters. Only the setup wizard is allowed to 2671 // have a high priority filter for these actions. 2672 mSetupWizardPackage = getSetupWizardPackageName(); 2673 if (mProtectedFilters.size() > 0) { 2674 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2675 Slog.i(TAG, "No setup wizard;" 2676 + " All protected intents capped to priority 0"); 2677 } 2678 for (ActivityIntentInfo filter : mProtectedFilters) { 2679 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2680 if (DEBUG_FILTERS) { 2681 Slog.i(TAG, "Found setup wizard;" 2682 + " allow priority " + filter.getPriority() + ";" 2683 + " package: " + filter.activity.info.packageName 2684 + " activity: " + filter.activity.className 2685 + " priority: " + filter.getPriority()); 2686 } 2687 // skip setup wizard; allow it to keep the high priority filter 2688 continue; 2689 } 2690 Slog.w(TAG, "Protected action; cap priority to 0;" 2691 + " package: " + filter.activity.info.packageName 2692 + " activity: " + filter.activity.className 2693 + " origPrio: " + filter.getPriority()); 2694 filter.setPriority(0); 2695 } 2696 } 2697 mDeferProtectedFilters = false; 2698 mProtectedFilters.clear(); 2699 2700 // Now that we know all of the shared libraries, update all clients to have 2701 // the correct library paths. 2702 updateAllSharedLibrariesLPw(null); 2703 2704 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2705 // NOTE: We ignore potential failures here during a system scan (like 2706 // the rest of the commands above) because there's precious little we 2707 // can do about it. A settings error is reported, though. 2708 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2709 } 2710 2711 // Now that we know all the packages we are keeping, 2712 // read and update their last usage times. 2713 mPackageUsage.read(mPackages); 2714 mCompilerStats.read(); 2715 2716 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2717 SystemClock.uptimeMillis()); 2718 Slog.i(TAG, "Time to scan packages: " 2719 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2720 + " seconds"); 2721 2722 // If the platform SDK has changed since the last time we booted, 2723 // we need to re-grant app permission to catch any new ones that 2724 // appear. This is really a hack, and means that apps can in some 2725 // cases get permissions that the user didn't initially explicitly 2726 // allow... it would be nice to have some better way to handle 2727 // this situation. 2728 int updateFlags = UPDATE_PERMISSIONS_ALL; 2729 if (ver.sdkVersion != mSdkVersion) { 2730 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2731 + mSdkVersion + "; regranting permissions for internal storage"); 2732 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2733 } 2734 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2735 ver.sdkVersion = mSdkVersion; 2736 2737 // If this is the first boot or an update from pre-M, and it is a normal 2738 // boot, then we need to initialize the default preferred apps across 2739 // all defined users. 2740 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2741 for (UserInfo user : sUserManager.getUsers(true)) { 2742 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2743 applyFactoryDefaultBrowserLPw(user.id); 2744 primeDomainVerificationsLPw(user.id); 2745 } 2746 } 2747 2748 // Prepare storage for system user really early during boot, 2749 // since core system apps like SettingsProvider and SystemUI 2750 // can't wait for user to start 2751 final int storageFlags; 2752 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2753 storageFlags = StorageManager.FLAG_STORAGE_DE; 2754 } else { 2755 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2756 } 2757 List<String> deferPackages = reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, 2758 UserHandle.USER_SYSTEM, storageFlags, true /* migrateAppData */, 2759 true /* onlyCoreApps */); 2760 mPrepareAppDataFuture = SystemServerInitThreadPool.get().submit(() -> { 2761 if (deferPackages == null || deferPackages.isEmpty()) { 2762 return; 2763 } 2764 int count = 0; 2765 for (String pkgName : deferPackages) { 2766 PackageParser.Package pkg = null; 2767 synchronized (mPackages) { 2768 PackageSetting ps = mSettings.getPackageLPr(pkgName); 2769 if (ps != null && ps.getInstalled(UserHandle.USER_SYSTEM)) { 2770 pkg = ps.pkg; 2771 } 2772 } 2773 if (pkg != null) { 2774 synchronized (mInstallLock) { 2775 prepareAppDataAndMigrateLIF(pkg, UserHandle.USER_SYSTEM, storageFlags, 2776 true /* maybeMigrateAppData */); 2777 } 2778 count++; 2779 } 2780 } 2781 Slog.i(TAG, "Deferred reconcileAppsData finished " + count + " packages"); 2782 }, "prepareAppData"); 2783 2784 // If this is first boot after an OTA, and a normal boot, then 2785 // we need to clear code cache directories. 2786 // Note that we do *not* clear the application profiles. These remain valid 2787 // across OTAs and are used to drive profile verification (post OTA) and 2788 // profile compilation (without waiting to collect a fresh set of profiles). 2789 if (mIsUpgrade && !onlyCore) { 2790 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2791 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2792 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2793 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2794 // No apps are running this early, so no need to freeze 2795 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2796 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2797 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2798 } 2799 } 2800 ver.fingerprint = Build.FINGERPRINT; 2801 } 2802 2803 checkDefaultBrowser(); 2804 2805 // clear only after permissions and other defaults have been updated 2806 mExistingSystemPackages.clear(); 2807 mPromoteSystemApps = false; 2808 2809 // All the changes are done during package scanning. 2810 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2811 2812 // can downgrade to reader 2813 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2814 mSettings.writeLPr(); 2815 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2816 2817 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2818 // early on (before the package manager declares itself as early) because other 2819 // components in the system server might ask for package contexts for these apps. 2820 // 2821 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2822 // (i.e, that the data partition is unavailable). 2823 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2824 long start = System.nanoTime(); 2825 List<PackageParser.Package> coreApps = new ArrayList<>(); 2826 for (PackageParser.Package pkg : mPackages.values()) { 2827 if (pkg.coreApp) { 2828 coreApps.add(pkg); 2829 } 2830 } 2831 2832 int[] stats = performDexOptUpgrade(coreApps, false, 2833 getCompilerFilterForReason(REASON_CORE_APP)); 2834 2835 final int elapsedTimeSeconds = 2836 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2837 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2838 2839 if (DEBUG_DEXOPT) { 2840 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2841 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2842 } 2843 2844 2845 // TODO: Should we log these stats to tron too ? 2846 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2847 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2848 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2849 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2850 } 2851 2852 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2853 SystemClock.uptimeMillis()); 2854 2855 if (!mOnlyCore) { 2856 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2857 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2858 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2859 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2860 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2861 mIntentFilterVerifierComponent); 2862 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2863 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES, 2864 SharedLibraryInfo.VERSION_UNDEFINED); 2865 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2866 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED, 2867 SharedLibraryInfo.VERSION_UNDEFINED); 2868 } else { 2869 mRequiredVerifierPackage = null; 2870 mRequiredInstallerPackage = null; 2871 mRequiredUninstallerPackage = null; 2872 mIntentFilterVerifierComponent = null; 2873 mIntentFilterVerifier = null; 2874 mServicesSystemSharedLibraryPackageName = null; 2875 mSharedSystemSharedLibraryPackageName = null; 2876 } 2877 2878 mInstallerService = new PackageInstallerService(context, this); 2879 2880 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2881 if (ephemeralResolverComponent != null) { 2882 if (DEBUG_EPHEMERAL) { 2883 Slog.i(TAG, "Ephemeral resolver: " + ephemeralResolverComponent); 2884 } 2885 mInstantAppResolverConnection = 2886 new EphemeralResolverConnection(mContext, ephemeralResolverComponent); 2887 } else { 2888 mInstantAppResolverConnection = null; 2889 } 2890 mInstantAppInstallerComponent = getEphemeralInstallerLPr(); 2891 if (mInstantAppInstallerComponent != null) { 2892 if (DEBUG_EPHEMERAL) { 2893 Slog.i(TAG, "Ephemeral installer: " + mInstantAppInstallerComponent); 2894 } 2895 setUpInstantAppInstallerActivityLP(mInstantAppInstallerComponent); 2896 } 2897 2898 // Read and update the usage of dex files. 2899 // Do this at the end of PM init so that all the packages have their 2900 // data directory reconciled. 2901 // At this point we know the code paths of the packages, so we can validate 2902 // the disk file and build the internal cache. 2903 // The usage file is expected to be small so loading and verifying it 2904 // should take a fairly small time compare to the other activities (e.g. package 2905 // scanning). 2906 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 2907 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 2908 for (int userId : currentUserIds) { 2909 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 2910 } 2911 mDexManager.load(userPackages); 2912 } // synchronized (mPackages) 2913 } // synchronized (mInstallLock) 2914 2915 // Now after opening every single application zip, make sure they 2916 // are all flushed. Not really needed, but keeps things nice and 2917 // tidy. 2918 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2919 Runtime.getRuntime().gc(); 2920 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2921 2922 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 2923 FallbackCategoryProvider.loadFallbacks(); 2924 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2925 2926 // The initial scanning above does many calls into installd while 2927 // holding the mPackages lock, but we're mostly interested in yelling 2928 // once we have a booted system. 2929 mInstaller.setWarnIfHeld(mPackages); 2930 2931 // Expose private service for system components to use. 2932 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2933 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2934 } 2935 2936 private static File preparePackageParserCache(boolean isUpgrade) { 2937 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 2938 return null; 2939 } 2940 2941 // Disable package parsing on eng builds to allow for faster incremental development. 2942 if ("eng".equals(Build.TYPE)) { 2943 return null; 2944 } 2945 2946 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 2947 Slog.i(TAG, "Disabling package parser cache due to system property."); 2948 return null; 2949 } 2950 2951 // The base directory for the package parser cache lives under /data/system/. 2952 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 2953 "package_cache"); 2954 if (cacheBaseDir == null) { 2955 return null; 2956 } 2957 2958 // If this is a system upgrade scenario, delete the contents of the package cache dir. 2959 // This also serves to "GC" unused entries when the package cache version changes (which 2960 // can only happen during upgrades). 2961 if (isUpgrade) { 2962 FileUtils.deleteContents(cacheBaseDir); 2963 } 2964 2965 2966 // Return the versioned package cache directory. This is something like 2967 // "/data/system/package_cache/1" 2968 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2969 2970 // The following is a workaround to aid development on non-numbered userdebug 2971 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 2972 // the system partition is newer. 2973 // 2974 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 2975 // that starts with "eng." to signify that this is an engineering build and not 2976 // destined for release. 2977 if ("userdebug".equals(Build.TYPE) && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 2978 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 2979 2980 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 2981 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 2982 // in general and should not be used for production changes. In this specific case, 2983 // we know that they will work. 2984 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2985 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 2986 FileUtils.deleteContents(cacheBaseDir); 2987 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2988 } 2989 } 2990 2991 return cacheDir; 2992 } 2993 2994 @Override 2995 public boolean isFirstBoot() { 2996 return mFirstBoot; 2997 } 2998 2999 @Override 3000 public boolean isOnlyCoreApps() { 3001 return mOnlyCore; 3002 } 3003 3004 @Override 3005 public boolean isUpgrade() { 3006 return mIsUpgrade; 3007 } 3008 3009 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 3010 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 3011 3012 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3013 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3014 UserHandle.USER_SYSTEM); 3015 if (matches.size() == 1) { 3016 return matches.get(0).getComponentInfo().packageName; 3017 } else if (matches.size() == 0) { 3018 Log.e(TAG, "There should probably be a verifier, but, none were found"); 3019 return null; 3020 } 3021 throw new RuntimeException("There must be exactly one verifier; found " + matches); 3022 } 3023 3024 private @NonNull String getRequiredSharedLibraryLPr(String name, int version) { 3025 synchronized (mPackages) { 3026 SharedLibraryEntry libraryEntry = getSharedLibraryEntryLPr(name, version); 3027 if (libraryEntry == null) { 3028 throw new IllegalStateException("Missing required shared library:" + name); 3029 } 3030 return libraryEntry.apk; 3031 } 3032 } 3033 3034 private @NonNull String getRequiredInstallerLPr() { 3035 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 3036 intent.addCategory(Intent.CATEGORY_DEFAULT); 3037 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3038 3039 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3040 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3041 UserHandle.USER_SYSTEM); 3042 if (matches.size() == 1) { 3043 ResolveInfo resolveInfo = matches.get(0); 3044 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 3045 throw new RuntimeException("The installer must be a privileged app"); 3046 } 3047 return matches.get(0).getComponentInfo().packageName; 3048 } else { 3049 throw new RuntimeException("There must be exactly one installer; found " + matches); 3050 } 3051 } 3052 3053 private @NonNull String getRequiredUninstallerLPr() { 3054 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 3055 intent.addCategory(Intent.CATEGORY_DEFAULT); 3056 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 3057 3058 final ResolveInfo resolveInfo = resolveIntent(intent, null, 3059 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3060 UserHandle.USER_SYSTEM); 3061 if (resolveInfo == null || 3062 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 3063 throw new RuntimeException("There must be exactly one uninstaller; found " 3064 + resolveInfo); 3065 } 3066 return resolveInfo.getComponentInfo().packageName; 3067 } 3068 3069 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 3070 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 3071 3072 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3073 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3074 UserHandle.USER_SYSTEM); 3075 ResolveInfo best = null; 3076 final int N = matches.size(); 3077 for (int i = 0; i < N; i++) { 3078 final ResolveInfo cur = matches.get(i); 3079 final String packageName = cur.getComponentInfo().packageName; 3080 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 3081 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 3082 continue; 3083 } 3084 3085 if (best == null || cur.priority > best.priority) { 3086 best = cur; 3087 } 3088 } 3089 3090 if (best != null) { 3091 return best.getComponentInfo().getComponentName(); 3092 } else { 3093 throw new RuntimeException("There must be at least one intent filter verifier"); 3094 } 3095 } 3096 3097 private @Nullable ComponentName getEphemeralResolverLPr() { 3098 final String[] packageArray = 3099 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3100 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3101 if (DEBUG_EPHEMERAL) { 3102 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3103 } 3104 return null; 3105 } 3106 3107 final int resolveFlags = 3108 MATCH_DIRECT_BOOT_AWARE 3109 | MATCH_DIRECT_BOOT_UNAWARE 3110 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3111 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 3112 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3113 resolveFlags, UserHandle.USER_SYSTEM); 3114 3115 final int N = resolvers.size(); 3116 if (N == 0) { 3117 if (DEBUG_EPHEMERAL) { 3118 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3119 } 3120 return null; 3121 } 3122 3123 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3124 for (int i = 0; i < N; i++) { 3125 final ResolveInfo info = resolvers.get(i); 3126 3127 if (info.serviceInfo == null) { 3128 continue; 3129 } 3130 3131 final String packageName = info.serviceInfo.packageName; 3132 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3133 if (DEBUG_EPHEMERAL) { 3134 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3135 + " pkg: " + packageName + ", info:" + info); 3136 } 3137 continue; 3138 } 3139 3140 if (DEBUG_EPHEMERAL) { 3141 Slog.v(TAG, "Ephemeral resolver found;" 3142 + " pkg: " + packageName + ", info:" + info); 3143 } 3144 return new ComponentName(packageName, info.serviceInfo.name); 3145 } 3146 if (DEBUG_EPHEMERAL) { 3147 Slog.v(TAG, "Ephemeral resolver NOT found"); 3148 } 3149 return null; 3150 } 3151 3152 private @Nullable ComponentName getEphemeralInstallerLPr() { 3153 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3154 intent.addCategory(Intent.CATEGORY_DEFAULT); 3155 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3156 3157 final int resolveFlags = 3158 MATCH_DIRECT_BOOT_AWARE 3159 | MATCH_DIRECT_BOOT_UNAWARE 3160 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3161 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3162 resolveFlags, UserHandle.USER_SYSTEM); 3163 Iterator<ResolveInfo> iter = matches.iterator(); 3164 while (iter.hasNext()) { 3165 final ResolveInfo rInfo = iter.next(); 3166 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3167 if (ps != null) { 3168 final PermissionsState permissionsState = ps.getPermissionsState(); 3169 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3170 continue; 3171 } 3172 } 3173 iter.remove(); 3174 } 3175 if (matches.size() == 0) { 3176 return null; 3177 } else if (matches.size() == 1) { 3178 return matches.get(0).getComponentInfo().getComponentName(); 3179 } else { 3180 throw new RuntimeException( 3181 "There must be at most one ephemeral installer; found " + matches); 3182 } 3183 } 3184 3185 private void primeDomainVerificationsLPw(int userId) { 3186 if (DEBUG_DOMAIN_VERIFICATION) { 3187 Slog.d(TAG, "Priming domain verifications in user " + userId); 3188 } 3189 3190 SystemConfig systemConfig = SystemConfig.getInstance(); 3191 ArraySet<String> packages = systemConfig.getLinkedApps(); 3192 3193 for (String packageName : packages) { 3194 PackageParser.Package pkg = mPackages.get(packageName); 3195 if (pkg != null) { 3196 if (!pkg.isSystemApp()) { 3197 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3198 continue; 3199 } 3200 3201 ArraySet<String> domains = null; 3202 for (PackageParser.Activity a : pkg.activities) { 3203 for (ActivityIntentInfo filter : a.intents) { 3204 if (hasValidDomains(filter)) { 3205 if (domains == null) { 3206 domains = new ArraySet<String>(); 3207 } 3208 domains.addAll(filter.getHostsList()); 3209 } 3210 } 3211 } 3212 3213 if (domains != null && domains.size() > 0) { 3214 if (DEBUG_DOMAIN_VERIFICATION) { 3215 Slog.v(TAG, " + " + packageName); 3216 } 3217 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3218 // state w.r.t. the formal app-linkage "no verification attempted" state; 3219 // and then 'always' in the per-user state actually used for intent resolution. 3220 final IntentFilterVerificationInfo ivi; 3221 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3222 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3223 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3224 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3225 } else { 3226 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3227 + "' does not handle web links"); 3228 } 3229 } else { 3230 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3231 } 3232 } 3233 3234 scheduleWritePackageRestrictionsLocked(userId); 3235 scheduleWriteSettingsLocked(); 3236 } 3237 3238 private void applyFactoryDefaultBrowserLPw(int userId) { 3239 // The default browser app's package name is stored in a string resource, 3240 // with a product-specific overlay used for vendor customization. 3241 String browserPkg = mContext.getResources().getString( 3242 com.android.internal.R.string.default_browser); 3243 if (!TextUtils.isEmpty(browserPkg)) { 3244 // non-empty string => required to be a known package 3245 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3246 if (ps == null) { 3247 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3248 browserPkg = null; 3249 } else { 3250 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3251 } 3252 } 3253 3254 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3255 // default. If there's more than one, just leave everything alone. 3256 if (browserPkg == null) { 3257 calculateDefaultBrowserLPw(userId); 3258 } 3259 } 3260 3261 private void calculateDefaultBrowserLPw(int userId) { 3262 List<String> allBrowsers = resolveAllBrowserApps(userId); 3263 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3264 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3265 } 3266 3267 private List<String> resolveAllBrowserApps(int userId) { 3268 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3269 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3270 PackageManager.MATCH_ALL, userId); 3271 3272 final int count = list.size(); 3273 List<String> result = new ArrayList<String>(count); 3274 for (int i=0; i<count; i++) { 3275 ResolveInfo info = list.get(i); 3276 if (info.activityInfo == null 3277 || !info.handleAllWebDataURI 3278 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3279 || result.contains(info.activityInfo.packageName)) { 3280 continue; 3281 } 3282 result.add(info.activityInfo.packageName); 3283 } 3284 3285 return result; 3286 } 3287 3288 private boolean packageIsBrowser(String packageName, int userId) { 3289 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3290 PackageManager.MATCH_ALL, userId); 3291 final int N = list.size(); 3292 for (int i = 0; i < N; i++) { 3293 ResolveInfo info = list.get(i); 3294 if (packageName.equals(info.activityInfo.packageName)) { 3295 return true; 3296 } 3297 } 3298 return false; 3299 } 3300 3301 private void checkDefaultBrowser() { 3302 final int myUserId = UserHandle.myUserId(); 3303 final String packageName = getDefaultBrowserPackageName(myUserId); 3304 if (packageName != null) { 3305 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3306 if (info == null) { 3307 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3308 synchronized (mPackages) { 3309 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3310 } 3311 } 3312 } 3313 } 3314 3315 @Override 3316 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3317 throws RemoteException { 3318 try { 3319 return super.onTransact(code, data, reply, flags); 3320 } catch (RuntimeException e) { 3321 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3322 Slog.wtf(TAG, "Package Manager Crash", e); 3323 } 3324 throw e; 3325 } 3326 } 3327 3328 static int[] appendInts(int[] cur, int[] add) { 3329 if (add == null) return cur; 3330 if (cur == null) return add; 3331 final int N = add.length; 3332 for (int i=0; i<N; i++) { 3333 cur = appendInt(cur, add[i]); 3334 } 3335 return cur; 3336 } 3337 3338 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3339 if (!sUserManager.exists(userId)) return null; 3340 if (ps == null) { 3341 return null; 3342 } 3343 final PackageParser.Package p = ps.pkg; 3344 if (p == null) { 3345 return null; 3346 } 3347 // Filter out ephemeral app metadata: 3348 // * The system/shell/root can see metadata for any app 3349 // * An installed app can see metadata for 1) other installed apps 3350 // and 2) ephemeral apps that have explicitly interacted with it 3351 // * Ephemeral apps can only see their own data and exposed installed apps 3352 // * Holding a signature permission allows seeing instant apps 3353 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 3354 if (callingAppId != Process.SYSTEM_UID 3355 && callingAppId != Process.SHELL_UID 3356 && callingAppId != Process.ROOT_UID 3357 && checkUidPermission(Manifest.permission.ACCESS_INSTANT_APPS, 3358 Binder.getCallingUid()) != PackageManager.PERMISSION_GRANTED) { 3359 final String instantAppPackageName = getInstantAppPackageName(Binder.getCallingUid()); 3360 if (instantAppPackageName != null) { 3361 // ephemeral apps can only get information on themselves or 3362 // installed apps that are exposed. 3363 if (!instantAppPackageName.equals(p.packageName) 3364 && (ps.getInstantApp(userId) || !p.visibleToInstantApps)) { 3365 return null; 3366 } 3367 } else { 3368 if (ps.getInstantApp(userId)) { 3369 // only get access to the ephemeral app if we've been granted access 3370 if (!mInstantAppRegistry.isInstantAccessGranted( 3371 userId, callingAppId, ps.appId)) { 3372 return null; 3373 } 3374 } 3375 } 3376 } 3377 3378 final PermissionsState permissionsState = ps.getPermissionsState(); 3379 3380 // Compute GIDs only if requested 3381 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3382 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3383 // Compute granted permissions only if package has requested permissions 3384 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3385 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3386 final PackageUserState state = ps.readUserState(userId); 3387 3388 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3389 && ps.isSystem()) { 3390 flags |= MATCH_ANY_USER; 3391 } 3392 3393 PackageInfo packageInfo = PackageParser.generatePackageInfo(p, gids, flags, 3394 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3395 3396 if (packageInfo == null) { 3397 return null; 3398 } 3399 3400 rebaseEnabledOverlays(packageInfo.applicationInfo, userId); 3401 3402 packageInfo.packageName = packageInfo.applicationInfo.packageName = 3403 resolveExternalPackageNameLPr(p); 3404 3405 return packageInfo; 3406 } 3407 3408 @Override 3409 public void checkPackageStartable(String packageName, int userId) { 3410 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3411 3412 synchronized (mPackages) { 3413 final PackageSetting ps = mSettings.mPackages.get(packageName); 3414 if (ps == null) { 3415 throw new SecurityException("Package " + packageName + " was not found!"); 3416 } 3417 3418 if (!ps.getInstalled(userId)) { 3419 throw new SecurityException( 3420 "Package " + packageName + " was not installed for user " + userId + "!"); 3421 } 3422 3423 if (mSafeMode && !ps.isSystem()) { 3424 throw new SecurityException("Package " + packageName + " not a system app!"); 3425 } 3426 3427 if (mFrozenPackages.contains(packageName)) { 3428 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3429 } 3430 3431 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3432 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3433 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3434 } 3435 } 3436 } 3437 3438 @Override 3439 public boolean isPackageAvailable(String packageName, int userId) { 3440 if (!sUserManager.exists(userId)) return false; 3441 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3442 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3443 synchronized (mPackages) { 3444 PackageParser.Package p = mPackages.get(packageName); 3445 if (p != null) { 3446 final PackageSetting ps = (PackageSetting) p.mExtras; 3447 if (ps != null) { 3448 final PackageUserState state = ps.readUserState(userId); 3449 if (state != null) { 3450 return PackageParser.isAvailable(state); 3451 } 3452 } 3453 } 3454 } 3455 return false; 3456 } 3457 3458 @Override 3459 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3460 return getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 3461 flags, userId); 3462 } 3463 3464 @Override 3465 public PackageInfo getPackageInfoVersioned(VersionedPackage versionedPackage, 3466 int flags, int userId) { 3467 return getPackageInfoInternal(versionedPackage.getPackageName(), 3468 // TODO: We will change version code to long, so in the new API it is long 3469 (int) versionedPackage.getVersionCode(), flags, userId); 3470 } 3471 3472 private PackageInfo getPackageInfoInternal(String packageName, int versionCode, 3473 int flags, int userId) { 3474 if (!sUserManager.exists(userId)) return null; 3475 flags = updateFlagsForPackage(flags, userId, packageName); 3476 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3477 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3478 3479 // reader 3480 synchronized (mPackages) { 3481 // Normalize package name to handle renamed packages and static libs 3482 packageName = resolveInternalPackageNameLPr(packageName, versionCode); 3483 3484 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3485 if (matchFactoryOnly) { 3486 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3487 if (ps != null) { 3488 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3489 return null; 3490 } 3491 return generatePackageInfo(ps, flags, userId); 3492 } 3493 } 3494 3495 PackageParser.Package p = mPackages.get(packageName); 3496 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3497 return null; 3498 } 3499 if (DEBUG_PACKAGE_INFO) 3500 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3501 if (p != null) { 3502 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 3503 Binder.getCallingUid(), userId)) { 3504 return null; 3505 } 3506 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3507 } 3508 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3509 final PackageSetting ps = mSettings.mPackages.get(packageName); 3510 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3511 return null; 3512 } 3513 return generatePackageInfo(ps, flags, userId); 3514 } 3515 } 3516 return null; 3517 } 3518 3519 3520 private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId) { 3521 // System/shell/root get to see all static libs 3522 final int appId = UserHandle.getAppId(uid); 3523 if (appId == Process.SYSTEM_UID || appId == Process.SHELL_UID 3524 || appId == Process.ROOT_UID) { 3525 return false; 3526 } 3527 3528 // No package means no static lib as it is always on internal storage 3529 if (ps == null || ps.pkg == null || !ps.pkg.applicationInfo.isStaticSharedLibrary()) { 3530 return false; 3531 } 3532 3533 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(ps.pkg.staticSharedLibName, 3534 ps.pkg.staticSharedLibVersion); 3535 if (libEntry == null) { 3536 return false; 3537 } 3538 3539 final int resolvedUid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); 3540 final String[] uidPackageNames = getPackagesForUid(resolvedUid); 3541 if (uidPackageNames == null) { 3542 return true; 3543 } 3544 3545 for (String uidPackageName : uidPackageNames) { 3546 if (ps.name.equals(uidPackageName)) { 3547 return false; 3548 } 3549 PackageSetting uidPs = mSettings.getPackageLPr(uidPackageName); 3550 if (uidPs != null) { 3551 final int index = ArrayUtils.indexOf(uidPs.usesStaticLibraries, 3552 libEntry.info.getName()); 3553 if (index < 0) { 3554 continue; 3555 } 3556 if (uidPs.pkg.usesStaticLibrariesVersions[index] == libEntry.info.getVersion()) { 3557 return false; 3558 } 3559 } 3560 } 3561 return true; 3562 } 3563 3564 @Override 3565 public String[] currentToCanonicalPackageNames(String[] names) { 3566 String[] out = new String[names.length]; 3567 // reader 3568 synchronized (mPackages) { 3569 for (int i=names.length-1; i>=0; i--) { 3570 PackageSetting ps = mSettings.mPackages.get(names[i]); 3571 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3572 } 3573 } 3574 return out; 3575 } 3576 3577 @Override 3578 public String[] canonicalToCurrentPackageNames(String[] names) { 3579 String[] out = new String[names.length]; 3580 // reader 3581 synchronized (mPackages) { 3582 for (int i=names.length-1; i>=0; i--) { 3583 String cur = mSettings.getRenamedPackageLPr(names[i]); 3584 out[i] = cur != null ? cur : names[i]; 3585 } 3586 } 3587 return out; 3588 } 3589 3590 @Override 3591 public int getPackageUid(String packageName, int flags, int userId) { 3592 if (!sUserManager.exists(userId)) return -1; 3593 flags = updateFlagsForPackage(flags, userId, packageName); 3594 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3595 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3596 3597 // reader 3598 synchronized (mPackages) { 3599 final PackageParser.Package p = mPackages.get(packageName); 3600 if (p != null && p.isMatch(flags)) { 3601 return UserHandle.getUid(userId, p.applicationInfo.uid); 3602 } 3603 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3604 final PackageSetting ps = mSettings.mPackages.get(packageName); 3605 if (ps != null && ps.isMatch(flags)) { 3606 return UserHandle.getUid(userId, ps.appId); 3607 } 3608 } 3609 } 3610 3611 return -1; 3612 } 3613 3614 @Override 3615 public int[] getPackageGids(String packageName, int flags, int userId) { 3616 if (!sUserManager.exists(userId)) return null; 3617 flags = updateFlagsForPackage(flags, userId, packageName); 3618 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3619 false /* requireFullPermission */, false /* checkShell */, 3620 "getPackageGids"); 3621 3622 // reader 3623 synchronized (mPackages) { 3624 final PackageParser.Package p = mPackages.get(packageName); 3625 if (p != null && p.isMatch(flags)) { 3626 PackageSetting ps = (PackageSetting) p.mExtras; 3627 // TODO: Shouldn't this be checking for package installed state for userId and 3628 // return null? 3629 return ps.getPermissionsState().computeGids(userId); 3630 } 3631 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3632 final PackageSetting ps = mSettings.mPackages.get(packageName); 3633 if (ps != null && ps.isMatch(flags)) { 3634 return ps.getPermissionsState().computeGids(userId); 3635 } 3636 } 3637 } 3638 3639 return null; 3640 } 3641 3642 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3643 if (bp.perm != null) { 3644 return PackageParser.generatePermissionInfo(bp.perm, flags); 3645 } 3646 PermissionInfo pi = new PermissionInfo(); 3647 pi.name = bp.name; 3648 pi.packageName = bp.sourcePackage; 3649 pi.nonLocalizedLabel = bp.name; 3650 pi.protectionLevel = bp.protectionLevel; 3651 return pi; 3652 } 3653 3654 @Override 3655 public PermissionInfo getPermissionInfo(String name, int flags) { 3656 // reader 3657 synchronized (mPackages) { 3658 final BasePermission p = mSettings.mPermissions.get(name); 3659 if (p != null) { 3660 return generatePermissionInfo(p, flags); 3661 } 3662 return null; 3663 } 3664 } 3665 3666 @Override 3667 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3668 int flags) { 3669 // reader 3670 synchronized (mPackages) { 3671 if (group != null && !mPermissionGroups.containsKey(group)) { 3672 // This is thrown as NameNotFoundException 3673 return null; 3674 } 3675 3676 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3677 for (BasePermission p : mSettings.mPermissions.values()) { 3678 if (group == null) { 3679 if (p.perm == null || p.perm.info.group == null) { 3680 out.add(generatePermissionInfo(p, flags)); 3681 } 3682 } else { 3683 if (p.perm != null && group.equals(p.perm.info.group)) { 3684 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3685 } 3686 } 3687 } 3688 return new ParceledListSlice<>(out); 3689 } 3690 } 3691 3692 @Override 3693 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3694 // reader 3695 synchronized (mPackages) { 3696 return PackageParser.generatePermissionGroupInfo( 3697 mPermissionGroups.get(name), flags); 3698 } 3699 } 3700 3701 @Override 3702 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3703 // reader 3704 synchronized (mPackages) { 3705 final int N = mPermissionGroups.size(); 3706 ArrayList<PermissionGroupInfo> out 3707 = new ArrayList<PermissionGroupInfo>(N); 3708 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3709 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3710 } 3711 return new ParceledListSlice<>(out); 3712 } 3713 } 3714 3715 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3716 int uid, int userId) { 3717 if (!sUserManager.exists(userId)) return null; 3718 PackageSetting ps = mSettings.mPackages.get(packageName); 3719 if (ps != null) { 3720 if (filterSharedLibPackageLPr(ps, uid, userId)) { 3721 return null; 3722 } 3723 if (ps.pkg == null) { 3724 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3725 if (pInfo != null) { 3726 return pInfo.applicationInfo; 3727 } 3728 return null; 3729 } 3730 ApplicationInfo ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3731 ps.readUserState(userId), userId); 3732 if (ai != null) { 3733 rebaseEnabledOverlays(ai, userId); 3734 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 3735 } 3736 return ai; 3737 } 3738 return null; 3739 } 3740 3741 @Override 3742 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3743 if (!sUserManager.exists(userId)) return null; 3744 flags = updateFlagsForApplication(flags, userId, packageName); 3745 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3746 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3747 3748 // writer 3749 synchronized (mPackages) { 3750 // Normalize package name to handle renamed packages and static libs 3751 packageName = resolveInternalPackageNameLPr(packageName, 3752 PackageManager.VERSION_CODE_HIGHEST); 3753 3754 PackageParser.Package p = mPackages.get(packageName); 3755 if (DEBUG_PACKAGE_INFO) Log.v( 3756 TAG, "getApplicationInfo " + packageName 3757 + ": " + p); 3758 if (p != null) { 3759 PackageSetting ps = mSettings.mPackages.get(packageName); 3760 if (ps == null) return null; 3761 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3762 return null; 3763 } 3764 // Note: isEnabledLP() does not apply here - always return info 3765 ApplicationInfo ai = PackageParser.generateApplicationInfo( 3766 p, flags, ps.readUserState(userId), userId); 3767 if (ai != null) { 3768 rebaseEnabledOverlays(ai, userId); 3769 ai.packageName = resolveExternalPackageNameLPr(p); 3770 } 3771 return ai; 3772 } 3773 if ("android".equals(packageName)||"system".equals(packageName)) { 3774 return mAndroidApplication; 3775 } 3776 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3777 // Already generates the external package name 3778 return generateApplicationInfoFromSettingsLPw(packageName, 3779 Binder.getCallingUid(), flags, userId); 3780 } 3781 } 3782 return null; 3783 } 3784 3785 private void rebaseEnabledOverlays(@NonNull ApplicationInfo ai, int userId) { 3786 List<String> paths = new ArrayList<>(); 3787 ArrayMap<String, ArrayList<String>> userSpecificOverlays = 3788 mEnabledOverlayPaths.get(userId); 3789 if (userSpecificOverlays != null) { 3790 if (!"android".equals(ai.packageName)) { 3791 ArrayList<String> frameworkOverlays = userSpecificOverlays.get("android"); 3792 if (frameworkOverlays != null) { 3793 paths.addAll(frameworkOverlays); 3794 } 3795 } 3796 3797 ArrayList<String> appOverlays = userSpecificOverlays.get(ai.packageName); 3798 if (appOverlays != null) { 3799 paths.addAll(appOverlays); 3800 } 3801 } 3802 ai.resourceDirs = paths.size() > 0 ? paths.toArray(new String[paths.size()]) : null; 3803 } 3804 3805 private String normalizePackageNameLPr(String packageName) { 3806 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 3807 return normalizedPackageName != null ? normalizedPackageName : packageName; 3808 } 3809 3810 @Override 3811 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3812 final IPackageDataObserver observer) { 3813 mContext.enforceCallingOrSelfPermission( 3814 android.Manifest.permission.CLEAR_APP_CACHE, null); 3815 mHandler.post(() -> { 3816 boolean success = false; 3817 try { 3818 freeStorage(volumeUuid, freeStorageSize, 0); 3819 success = true; 3820 } catch (IOException e) { 3821 Slog.w(TAG, e); 3822 } 3823 if (observer != null) { 3824 try { 3825 observer.onRemoveCompleted(null, success); 3826 } catch (RemoteException e) { 3827 Slog.w(TAG, e); 3828 } 3829 } 3830 }); 3831 } 3832 3833 @Override 3834 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3835 final IntentSender pi) { 3836 mContext.enforceCallingOrSelfPermission( 3837 android.Manifest.permission.CLEAR_APP_CACHE, TAG); 3838 mHandler.post(() -> { 3839 boolean success = false; 3840 try { 3841 freeStorage(volumeUuid, freeStorageSize, 0); 3842 success = true; 3843 } catch (IOException e) { 3844 Slog.w(TAG, e); 3845 } 3846 if (pi != null) { 3847 try { 3848 pi.sendIntent(null, success ? 1 : 0, null, null, null); 3849 } catch (SendIntentException e) { 3850 Slog.w(TAG, e); 3851 } 3852 } 3853 }); 3854 } 3855 3856 /** 3857 * Blocking call to clear various types of cached data across the system 3858 * until the requested bytes are available. 3859 */ 3860 public void freeStorage(String volumeUuid, long bytes, int storageFlags) throws IOException { 3861 final StorageManager storage = mContext.getSystemService(StorageManager.class); 3862 final File file = storage.findPathForUuid(volumeUuid); 3863 3864 if (ENABLE_FREE_CACHE_V2) { 3865 final boolean aggressive = (storageFlags 3866 & StorageManager.FLAG_ALLOCATE_AGGRESSIVE) != 0; 3867 3868 // 1. Pre-flight to determine if we have any chance to succeed 3869 // 2. Consider preloaded data (after 1w honeymoon, unless aggressive) 3870 3871 // 3. Consider parsed APK data (aggressive only) 3872 if (aggressive) { 3873 FileUtils.deleteContents(mCacheDir); 3874 } 3875 if (file.getUsableSpace() >= bytes) return; 3876 3877 // 4. Consider cached app data (above quotas) 3878 try { 3879 mInstaller.freeCache(volumeUuid, bytes, Installer.FLAG_FREE_CACHE_V2); 3880 } catch (InstallerException ignored) { 3881 } 3882 if (file.getUsableSpace() >= bytes) return; 3883 3884 // 5. Consider shared libraries with refcount=0 and age>2h 3885 // 6. Consider dexopt output (aggressive only) 3886 // 7. Consider ephemeral apps not used in last week 3887 3888 // 8. Consider cached app data (below quotas) 3889 try { 3890 mInstaller.freeCache(volumeUuid, bytes, Installer.FLAG_FREE_CACHE_V2 3891 | Installer.FLAG_FREE_CACHE_V2_DEFY_QUOTA); 3892 } catch (InstallerException ignored) { 3893 } 3894 if (file.getUsableSpace() >= bytes) return; 3895 3896 // 9. Consider DropBox entries 3897 // 10. Consider ephemeral cookies 3898 3899 } else { 3900 try { 3901 mInstaller.freeCache(volumeUuid, bytes, 0); 3902 } catch (InstallerException ignored) { 3903 } 3904 if (file.getUsableSpace() >= bytes) return; 3905 } 3906 3907 throw new IOException("Failed to free " + bytes + " on storage device at " + file); 3908 } 3909 3910 /** 3911 * Update given flags based on encryption status of current user. 3912 */ 3913 private int updateFlags(int flags, int userId) { 3914 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3915 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3916 // Caller expressed an explicit opinion about what encryption 3917 // aware/unaware components they want to see, so fall through and 3918 // give them what they want 3919 } else { 3920 // Caller expressed no opinion, so match based on user state 3921 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3922 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3923 } else { 3924 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3925 } 3926 } 3927 return flags; 3928 } 3929 3930 private UserManagerInternal getUserManagerInternal() { 3931 if (mUserManagerInternal == null) { 3932 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3933 } 3934 return mUserManagerInternal; 3935 } 3936 3937 private DeviceIdleController.LocalService getDeviceIdleController() { 3938 if (mDeviceIdleController == null) { 3939 mDeviceIdleController = 3940 LocalServices.getService(DeviceIdleController.LocalService.class); 3941 } 3942 return mDeviceIdleController; 3943 } 3944 3945 /** 3946 * Update given flags when being used to request {@link PackageInfo}. 3947 */ 3948 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3949 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 3950 boolean triaged = true; 3951 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3952 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3953 // Caller is asking for component details, so they'd better be 3954 // asking for specific encryption matching behavior, or be triaged 3955 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3956 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3957 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3958 triaged = false; 3959 } 3960 } 3961 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3962 | PackageManager.MATCH_SYSTEM_ONLY 3963 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3964 triaged = false; 3965 } 3966 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 3967 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 3968 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 3969 + Debug.getCallers(5)); 3970 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 3971 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 3972 // If the caller wants all packages and has a restricted profile associated with it, 3973 // then match all users. This is to make sure that launchers that need to access work 3974 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 3975 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 3976 flags |= PackageManager.MATCH_ANY_USER; 3977 } 3978 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3979 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3980 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3981 } 3982 return updateFlags(flags, userId); 3983 } 3984 3985 /** 3986 * Update given flags when being used to request {@link ApplicationInfo}. 3987 */ 3988 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3989 return updateFlagsForPackage(flags, userId, cookie); 3990 } 3991 3992 /** 3993 * Update given flags when being used to request {@link ComponentInfo}. 3994 */ 3995 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3996 if (cookie instanceof Intent) { 3997 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3998 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3999 } 4000 } 4001 4002 boolean triaged = true; 4003 // Caller is asking for component details, so they'd better be 4004 // asking for specific encryption matching behavior, or be triaged 4005 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4006 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4007 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4008 triaged = false; 4009 } 4010 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4011 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4012 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4013 } 4014 4015 return updateFlags(flags, userId); 4016 } 4017 4018 /** 4019 * Update given intent when being used to request {@link ResolveInfo}. 4020 */ 4021 private Intent updateIntentForResolve(Intent intent) { 4022 if (intent.getSelector() != null) { 4023 intent = intent.getSelector(); 4024 } 4025 if (DEBUG_PREFERRED) { 4026 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4027 } 4028 return intent; 4029 } 4030 4031 /** 4032 * Update given flags when being used to request {@link ResolveInfo}. 4033 * <p>Instant apps are resolved specially, depending upon context. Minimally, 4034 * {@code}flags{@code} must have the {@link PackageManager#MATCH_INSTANT} 4035 * flag set. However, this flag is only honoured in three circumstances: 4036 * <ul> 4037 * <li>when called from a system process</li> 4038 * <li>when the caller holds the permission {@code android.permission.ACCESS_INSTANT_APPS}</li> 4039 * <li>when resolution occurs to start an activity with a {@code android.intent.action.VIEW} 4040 * action and a {@code android.intent.category.BROWSABLE} category</li> 4041 * </ul> 4042 */ 4043 int updateFlagsForResolve(int flags, int userId, Intent intent, boolean includeInstantApp) { 4044 // Safe mode means we shouldn't match any third-party components 4045 if (mSafeMode) { 4046 flags |= PackageManager.MATCH_SYSTEM_ONLY; 4047 } 4048 final int callingUid = Binder.getCallingUid(); 4049 if (getInstantAppPackageName(callingUid) != null) { 4050 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 4051 flags |= PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4052 flags |= PackageManager.MATCH_INSTANT; 4053 } else { 4054 // Otherwise, prevent leaking ephemeral components 4055 final boolean isSpecialProcess = 4056 callingUid == Process.SYSTEM_UID 4057 || callingUid == Process.SHELL_UID 4058 || callingUid == 0; 4059 final boolean allowMatchInstant = 4060 (includeInstantApp 4061 && Intent.ACTION_VIEW.equals(intent.getAction()) 4062 && intent.hasCategory(Intent.CATEGORY_BROWSABLE) 4063 && hasWebURI(intent)) 4064 || isSpecialProcess 4065 || mContext.checkCallingOrSelfPermission( 4066 android.Manifest.permission.ACCESS_INSTANT_APPS) == PERMISSION_GRANTED; 4067 flags &= ~PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4068 if (!allowMatchInstant) { 4069 flags &= ~PackageManager.MATCH_INSTANT; 4070 } 4071 } 4072 return updateFlagsForComponent(flags, userId, intent /*cookie*/); 4073 } 4074 4075 @Override 4076 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 4077 if (!sUserManager.exists(userId)) return null; 4078 flags = updateFlagsForComponent(flags, userId, component); 4079 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4080 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 4081 synchronized (mPackages) { 4082 PackageParser.Activity a = mActivities.mActivities.get(component); 4083 4084 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 4085 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4086 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4087 if (ps == null) return null; 4088 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 4089 userId); 4090 } 4091 if (mResolveComponentName.equals(component)) { 4092 return PackageParser.generateActivityInfo(mResolveActivity, flags, 4093 new PackageUserState(), userId); 4094 } 4095 } 4096 return null; 4097 } 4098 4099 @Override 4100 public boolean activitySupportsIntent(ComponentName component, Intent intent, 4101 String resolvedType) { 4102 synchronized (mPackages) { 4103 if (component.equals(mResolveComponentName)) { 4104 // The resolver supports EVERYTHING! 4105 return true; 4106 } 4107 PackageParser.Activity a = mActivities.mActivities.get(component); 4108 if (a == null) { 4109 return false; 4110 } 4111 for (int i=0; i<a.intents.size(); i++) { 4112 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 4113 intent.getData(), intent.getCategories(), TAG) >= 0) { 4114 return true; 4115 } 4116 } 4117 return false; 4118 } 4119 } 4120 4121 @Override 4122 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 4123 if (!sUserManager.exists(userId)) return null; 4124 flags = updateFlagsForComponent(flags, userId, component); 4125 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4126 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 4127 synchronized (mPackages) { 4128 PackageParser.Activity a = mReceivers.mActivities.get(component); 4129 if (DEBUG_PACKAGE_INFO) Log.v( 4130 TAG, "getReceiverInfo " + component + ": " + a); 4131 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4132 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4133 if (ps == null) return null; 4134 ActivityInfo ri = PackageParser.generateActivityInfo(a, flags, 4135 ps.readUserState(userId), userId); 4136 if (ri != null) { 4137 rebaseEnabledOverlays(ri.applicationInfo, userId); 4138 } 4139 return ri; 4140 } 4141 } 4142 return null; 4143 } 4144 4145 @Override 4146 public ParceledListSlice<SharedLibraryInfo> getSharedLibraries(int flags, int userId) { 4147 if (!sUserManager.exists(userId)) return null; 4148 Preconditions.checkArgumentNonnegative(userId, "userId must be >= 0"); 4149 4150 flags = updateFlagsForPackage(flags, userId, null); 4151 4152 final boolean canSeeStaticLibraries = 4153 mContext.checkCallingOrSelfPermission(INSTALL_PACKAGES) 4154 == PERMISSION_GRANTED 4155 || mContext.checkCallingOrSelfPermission(DELETE_PACKAGES) 4156 == PERMISSION_GRANTED 4157 || mContext.checkCallingOrSelfPermission(REQUEST_INSTALL_PACKAGES) 4158 == PERMISSION_GRANTED 4159 || mContext.checkCallingOrSelfPermission(REQUEST_DELETE_PACKAGES) 4160 == PERMISSION_GRANTED; 4161 4162 synchronized (mPackages) { 4163 List<SharedLibraryInfo> result = null; 4164 4165 final int libCount = mSharedLibraries.size(); 4166 for (int i = 0; i < libCount; i++) { 4167 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4168 if (versionedLib == null) { 4169 continue; 4170 } 4171 4172 final int versionCount = versionedLib.size(); 4173 for (int j = 0; j < versionCount; j++) { 4174 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4175 if (!canSeeStaticLibraries && libInfo.isStatic()) { 4176 break; 4177 } 4178 final long identity = Binder.clearCallingIdentity(); 4179 try { 4180 // TODO: We will change version code to long, so in the new API it is long 4181 PackageInfo packageInfo = getPackageInfoVersioned( 4182 libInfo.getDeclaringPackage(), flags, userId); 4183 if (packageInfo == null) { 4184 continue; 4185 } 4186 } finally { 4187 Binder.restoreCallingIdentity(identity); 4188 } 4189 4190 SharedLibraryInfo resLibInfo = new SharedLibraryInfo(libInfo.getName(), 4191 libInfo.getVersion(), libInfo.getType(), libInfo.getDeclaringPackage(), 4192 getPackagesUsingSharedLibraryLPr(libInfo, flags, userId)); 4193 4194 if (result == null) { 4195 result = new ArrayList<>(); 4196 } 4197 result.add(resLibInfo); 4198 } 4199 } 4200 4201 return result != null ? new ParceledListSlice<>(result) : null; 4202 } 4203 } 4204 4205 private List<VersionedPackage> getPackagesUsingSharedLibraryLPr( 4206 SharedLibraryInfo libInfo, int flags, int userId) { 4207 List<VersionedPackage> versionedPackages = null; 4208 final int packageCount = mSettings.mPackages.size(); 4209 for (int i = 0; i < packageCount; i++) { 4210 PackageSetting ps = mSettings.mPackages.valueAt(i); 4211 4212 if (ps == null) { 4213 continue; 4214 } 4215 4216 if (!ps.getUserState().get(userId).isAvailable(flags)) { 4217 continue; 4218 } 4219 4220 final String libName = libInfo.getName(); 4221 if (libInfo.isStatic()) { 4222 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 4223 if (libIdx < 0) { 4224 continue; 4225 } 4226 if (ps.usesStaticLibrariesVersions[libIdx] != libInfo.getVersion()) { 4227 continue; 4228 } 4229 if (versionedPackages == null) { 4230 versionedPackages = new ArrayList<>(); 4231 } 4232 // If the dependent is a static shared lib, use the public package name 4233 String dependentPackageName = ps.name; 4234 if (ps.pkg != null && ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4235 dependentPackageName = ps.pkg.manifestPackageName; 4236 } 4237 versionedPackages.add(new VersionedPackage(dependentPackageName, ps.versionCode)); 4238 } else if (ps.pkg != null) { 4239 if (ArrayUtils.contains(ps.pkg.usesLibraries, libName) 4240 || ArrayUtils.contains(ps.pkg.usesOptionalLibraries, libName)) { 4241 if (versionedPackages == null) { 4242 versionedPackages = new ArrayList<>(); 4243 } 4244 versionedPackages.add(new VersionedPackage(ps.name, ps.versionCode)); 4245 } 4246 } 4247 } 4248 4249 return versionedPackages; 4250 } 4251 4252 @Override 4253 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 4254 if (!sUserManager.exists(userId)) return null; 4255 flags = updateFlagsForComponent(flags, userId, component); 4256 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4257 false /* requireFullPermission */, false /* checkShell */, "get service info"); 4258 synchronized (mPackages) { 4259 PackageParser.Service s = mServices.mServices.get(component); 4260 if (DEBUG_PACKAGE_INFO) Log.v( 4261 TAG, "getServiceInfo " + component + ": " + s); 4262 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 4263 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4264 if (ps == null) return null; 4265 ServiceInfo si = PackageParser.generateServiceInfo(s, flags, 4266 ps.readUserState(userId), userId); 4267 if (si != null) { 4268 rebaseEnabledOverlays(si.applicationInfo, userId); 4269 } 4270 return si; 4271 } 4272 } 4273 return null; 4274 } 4275 4276 @Override 4277 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 4278 if (!sUserManager.exists(userId)) return null; 4279 flags = updateFlagsForComponent(flags, userId, component); 4280 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4281 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 4282 synchronized (mPackages) { 4283 PackageParser.Provider p = mProviders.mProviders.get(component); 4284 if (DEBUG_PACKAGE_INFO) Log.v( 4285 TAG, "getProviderInfo " + component + ": " + p); 4286 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 4287 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4288 if (ps == null) return null; 4289 ProviderInfo pi = PackageParser.generateProviderInfo(p, flags, 4290 ps.readUserState(userId), userId); 4291 if (pi != null) { 4292 rebaseEnabledOverlays(pi.applicationInfo, userId); 4293 } 4294 return pi; 4295 } 4296 } 4297 return null; 4298 } 4299 4300 @Override 4301 public String[] getSystemSharedLibraryNames() { 4302 synchronized (mPackages) { 4303 Set<String> libs = null; 4304 final int libCount = mSharedLibraries.size(); 4305 for (int i = 0; i < libCount; i++) { 4306 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4307 if (versionedLib == null) { 4308 continue; 4309 } 4310 final int versionCount = versionedLib.size(); 4311 for (int j = 0; j < versionCount; j++) { 4312 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 4313 if (!libEntry.info.isStatic()) { 4314 if (libs == null) { 4315 libs = new ArraySet<>(); 4316 } 4317 libs.add(libEntry.info.getName()); 4318 break; 4319 } 4320 PackageSetting ps = mSettings.getPackageLPr(libEntry.apk); 4321 if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(), 4322 UserHandle.getUserId(Binder.getCallingUid()))) { 4323 if (libs == null) { 4324 libs = new ArraySet<>(); 4325 } 4326 libs.add(libEntry.info.getName()); 4327 break; 4328 } 4329 } 4330 } 4331 4332 if (libs != null) { 4333 String[] libsArray = new String[libs.size()]; 4334 libs.toArray(libsArray); 4335 return libsArray; 4336 } 4337 4338 return null; 4339 } 4340 } 4341 4342 @Override 4343 public @NonNull String getServicesSystemSharedLibraryPackageName() { 4344 synchronized (mPackages) { 4345 return mServicesSystemSharedLibraryPackageName; 4346 } 4347 } 4348 4349 @Override 4350 public @NonNull String getSharedSystemSharedLibraryPackageName() { 4351 synchronized (mPackages) { 4352 return mSharedSystemSharedLibraryPackageName; 4353 } 4354 } 4355 4356 private void updateSequenceNumberLP(String packageName, int[] userList) { 4357 for (int i = userList.length - 1; i >= 0; --i) { 4358 final int userId = userList[i]; 4359 SparseArray<String> changedPackages = mChangedPackages.get(userId); 4360 if (changedPackages == null) { 4361 changedPackages = new SparseArray<>(); 4362 mChangedPackages.put(userId, changedPackages); 4363 } 4364 Map<String, Integer> sequenceNumbers = mChangedPackagesSequenceNumbers.get(userId); 4365 if (sequenceNumbers == null) { 4366 sequenceNumbers = new HashMap<>(); 4367 mChangedPackagesSequenceNumbers.put(userId, sequenceNumbers); 4368 } 4369 final Integer sequenceNumber = sequenceNumbers.get(packageName); 4370 if (sequenceNumber != null) { 4371 changedPackages.remove(sequenceNumber); 4372 } 4373 changedPackages.put(mChangedPackagesSequenceNumber, packageName); 4374 sequenceNumbers.put(packageName, mChangedPackagesSequenceNumber); 4375 } 4376 mChangedPackagesSequenceNumber++; 4377 } 4378 4379 @Override 4380 public ChangedPackages getChangedPackages(int sequenceNumber, int userId) { 4381 synchronized (mPackages) { 4382 if (sequenceNumber >= mChangedPackagesSequenceNumber) { 4383 return null; 4384 } 4385 final SparseArray<String> changedPackages = mChangedPackages.get(userId); 4386 if (changedPackages == null) { 4387 return null; 4388 } 4389 final List<String> packageNames = 4390 new ArrayList<>(mChangedPackagesSequenceNumber - sequenceNumber); 4391 for (int i = sequenceNumber; i < mChangedPackagesSequenceNumber; i++) { 4392 final String packageName = changedPackages.get(i); 4393 if (packageName != null) { 4394 packageNames.add(packageName); 4395 } 4396 } 4397 return packageNames.isEmpty() 4398 ? null : new ChangedPackages(mChangedPackagesSequenceNumber, packageNames); 4399 } 4400 } 4401 4402 @Override 4403 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 4404 ArrayList<FeatureInfo> res; 4405 synchronized (mAvailableFeatures) { 4406 res = new ArrayList<>(mAvailableFeatures.size() + 1); 4407 res.addAll(mAvailableFeatures.values()); 4408 } 4409 final FeatureInfo fi = new FeatureInfo(); 4410 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 4411 FeatureInfo.GL_ES_VERSION_UNDEFINED); 4412 res.add(fi); 4413 4414 return new ParceledListSlice<>(res); 4415 } 4416 4417 @Override 4418 public boolean hasSystemFeature(String name, int version) { 4419 synchronized (mAvailableFeatures) { 4420 final FeatureInfo feat = mAvailableFeatures.get(name); 4421 if (feat == null) { 4422 return false; 4423 } else { 4424 return feat.version >= version; 4425 } 4426 } 4427 } 4428 4429 @Override 4430 public int checkPermission(String permName, String pkgName, int userId) { 4431 if (!sUserManager.exists(userId)) { 4432 return PackageManager.PERMISSION_DENIED; 4433 } 4434 4435 synchronized (mPackages) { 4436 final PackageParser.Package p = mPackages.get(pkgName); 4437 if (p != null && p.mExtras != null) { 4438 final PackageSetting ps = (PackageSetting) p.mExtras; 4439 final PermissionsState permissionsState = ps.getPermissionsState(); 4440 if (permissionsState.hasPermission(permName, userId)) { 4441 return PackageManager.PERMISSION_GRANTED; 4442 } 4443 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4444 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4445 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4446 return PackageManager.PERMISSION_GRANTED; 4447 } 4448 } 4449 } 4450 4451 return PackageManager.PERMISSION_DENIED; 4452 } 4453 4454 @Override 4455 public int checkUidPermission(String permName, int uid) { 4456 final int userId = UserHandle.getUserId(uid); 4457 4458 if (!sUserManager.exists(userId)) { 4459 return PackageManager.PERMISSION_DENIED; 4460 } 4461 4462 synchronized (mPackages) { 4463 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4464 if (obj != null) { 4465 final SettingBase ps = (SettingBase) obj; 4466 final PermissionsState permissionsState = ps.getPermissionsState(); 4467 if (permissionsState.hasPermission(permName, userId)) { 4468 return PackageManager.PERMISSION_GRANTED; 4469 } 4470 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4471 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4472 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4473 return PackageManager.PERMISSION_GRANTED; 4474 } 4475 } else { 4476 ArraySet<String> perms = mSystemPermissions.get(uid); 4477 if (perms != null) { 4478 if (perms.contains(permName)) { 4479 return PackageManager.PERMISSION_GRANTED; 4480 } 4481 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 4482 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 4483 return PackageManager.PERMISSION_GRANTED; 4484 } 4485 } 4486 } 4487 } 4488 4489 return PackageManager.PERMISSION_DENIED; 4490 } 4491 4492 @Override 4493 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 4494 if (UserHandle.getCallingUserId() != userId) { 4495 mContext.enforceCallingPermission( 4496 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4497 "isPermissionRevokedByPolicy for user " + userId); 4498 } 4499 4500 if (checkPermission(permission, packageName, userId) 4501 == PackageManager.PERMISSION_GRANTED) { 4502 return false; 4503 } 4504 4505 final long identity = Binder.clearCallingIdentity(); 4506 try { 4507 final int flags = getPermissionFlags(permission, packageName, userId); 4508 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 4509 } finally { 4510 Binder.restoreCallingIdentity(identity); 4511 } 4512 } 4513 4514 @Override 4515 public String getPermissionControllerPackageName() { 4516 synchronized (mPackages) { 4517 return mRequiredInstallerPackage; 4518 } 4519 } 4520 4521 /** 4522 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 4523 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 4524 * @param checkShell whether to prevent shell from access if there's a debugging restriction 4525 * @param message the message to log on security exception 4526 */ 4527 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 4528 boolean checkShell, String message) { 4529 if (userId < 0) { 4530 throw new IllegalArgumentException("Invalid userId " + userId); 4531 } 4532 if (checkShell) { 4533 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 4534 } 4535 if (userId == UserHandle.getUserId(callingUid)) return; 4536 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4537 if (requireFullPermission) { 4538 mContext.enforceCallingOrSelfPermission( 4539 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4540 } else { 4541 try { 4542 mContext.enforceCallingOrSelfPermission( 4543 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4544 } catch (SecurityException se) { 4545 mContext.enforceCallingOrSelfPermission( 4546 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 4547 } 4548 } 4549 } 4550 } 4551 4552 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 4553 if (callingUid == Process.SHELL_UID) { 4554 if (userHandle >= 0 4555 && sUserManager.hasUserRestriction(restriction, userHandle)) { 4556 throw new SecurityException("Shell does not have permission to access user " 4557 + userHandle); 4558 } else if (userHandle < 0) { 4559 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 4560 + Debug.getCallers(3)); 4561 } 4562 } 4563 } 4564 4565 private BasePermission findPermissionTreeLP(String permName) { 4566 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 4567 if (permName.startsWith(bp.name) && 4568 permName.length() > bp.name.length() && 4569 permName.charAt(bp.name.length()) == '.') { 4570 return bp; 4571 } 4572 } 4573 return null; 4574 } 4575 4576 private BasePermission checkPermissionTreeLP(String permName) { 4577 if (permName != null) { 4578 BasePermission bp = findPermissionTreeLP(permName); 4579 if (bp != null) { 4580 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 4581 return bp; 4582 } 4583 throw new SecurityException("Calling uid " 4584 + Binder.getCallingUid() 4585 + " is not allowed to add to permission tree " 4586 + bp.name + " owned by uid " + bp.uid); 4587 } 4588 } 4589 throw new SecurityException("No permission tree found for " + permName); 4590 } 4591 4592 static boolean compareStrings(CharSequence s1, CharSequence s2) { 4593 if (s1 == null) { 4594 return s2 == null; 4595 } 4596 if (s2 == null) { 4597 return false; 4598 } 4599 if (s1.getClass() != s2.getClass()) { 4600 return false; 4601 } 4602 return s1.equals(s2); 4603 } 4604 4605 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 4606 if (pi1.icon != pi2.icon) return false; 4607 if (pi1.logo != pi2.logo) return false; 4608 if (pi1.protectionLevel != pi2.protectionLevel) return false; 4609 if (!compareStrings(pi1.name, pi2.name)) return false; 4610 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 4611 // We'll take care of setting this one. 4612 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 4613 // These are not currently stored in settings. 4614 //if (!compareStrings(pi1.group, pi2.group)) return false; 4615 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 4616 //if (pi1.labelRes != pi2.labelRes) return false; 4617 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 4618 return true; 4619 } 4620 4621 int permissionInfoFootprint(PermissionInfo info) { 4622 int size = info.name.length(); 4623 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4624 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4625 return size; 4626 } 4627 4628 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4629 int size = 0; 4630 for (BasePermission perm : mSettings.mPermissions.values()) { 4631 if (perm.uid == tree.uid) { 4632 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4633 } 4634 } 4635 return size; 4636 } 4637 4638 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4639 // We calculate the max size of permissions defined by this uid and throw 4640 // if that plus the size of 'info' would exceed our stated maximum. 4641 if (tree.uid != Process.SYSTEM_UID) { 4642 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4643 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4644 throw new SecurityException("Permission tree size cap exceeded"); 4645 } 4646 } 4647 } 4648 4649 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4650 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4651 throw new SecurityException("Label must be specified in permission"); 4652 } 4653 BasePermission tree = checkPermissionTreeLP(info.name); 4654 BasePermission bp = mSettings.mPermissions.get(info.name); 4655 boolean added = bp == null; 4656 boolean changed = true; 4657 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4658 if (added) { 4659 enforcePermissionCapLocked(info, tree); 4660 bp = new BasePermission(info.name, tree.sourcePackage, 4661 BasePermission.TYPE_DYNAMIC); 4662 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4663 throw new SecurityException( 4664 "Not allowed to modify non-dynamic permission " 4665 + info.name); 4666 } else { 4667 if (bp.protectionLevel == fixedLevel 4668 && bp.perm.owner.equals(tree.perm.owner) 4669 && bp.uid == tree.uid 4670 && comparePermissionInfos(bp.perm.info, info)) { 4671 changed = false; 4672 } 4673 } 4674 bp.protectionLevel = fixedLevel; 4675 info = new PermissionInfo(info); 4676 info.protectionLevel = fixedLevel; 4677 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4678 bp.perm.info.packageName = tree.perm.info.packageName; 4679 bp.uid = tree.uid; 4680 if (added) { 4681 mSettings.mPermissions.put(info.name, bp); 4682 } 4683 if (changed) { 4684 if (!async) { 4685 mSettings.writeLPr(); 4686 } else { 4687 scheduleWriteSettingsLocked(); 4688 } 4689 } 4690 return added; 4691 } 4692 4693 @Override 4694 public boolean addPermission(PermissionInfo info) { 4695 synchronized (mPackages) { 4696 return addPermissionLocked(info, false); 4697 } 4698 } 4699 4700 @Override 4701 public boolean addPermissionAsync(PermissionInfo info) { 4702 synchronized (mPackages) { 4703 return addPermissionLocked(info, true); 4704 } 4705 } 4706 4707 @Override 4708 public void removePermission(String name) { 4709 synchronized (mPackages) { 4710 checkPermissionTreeLP(name); 4711 BasePermission bp = mSettings.mPermissions.get(name); 4712 if (bp != null) { 4713 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4714 throw new SecurityException( 4715 "Not allowed to modify non-dynamic permission " 4716 + name); 4717 } 4718 mSettings.mPermissions.remove(name); 4719 mSettings.writeLPr(); 4720 } 4721 } 4722 } 4723 4724 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4725 BasePermission bp) { 4726 int index = pkg.requestedPermissions.indexOf(bp.name); 4727 if (index == -1) { 4728 throw new SecurityException("Package " + pkg.packageName 4729 + " has not requested permission " + bp.name); 4730 } 4731 if (!bp.isRuntime() && !bp.isDevelopment()) { 4732 throw new SecurityException("Permission " + bp.name 4733 + " is not a changeable permission type"); 4734 } 4735 } 4736 4737 @Override 4738 public void grantRuntimePermission(String packageName, String name, final int userId) { 4739 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4740 } 4741 4742 private void grantRuntimePermission(String packageName, String name, final int userId, 4743 boolean overridePolicy) { 4744 if (!sUserManager.exists(userId)) { 4745 Log.e(TAG, "No such user:" + userId); 4746 return; 4747 } 4748 4749 mContext.enforceCallingOrSelfPermission( 4750 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4751 "grantRuntimePermission"); 4752 4753 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4754 true /* requireFullPermission */, true /* checkShell */, 4755 "grantRuntimePermission"); 4756 4757 final int uid; 4758 final SettingBase sb; 4759 4760 synchronized (mPackages) { 4761 final PackageParser.Package pkg = mPackages.get(packageName); 4762 if (pkg == null) { 4763 throw new IllegalArgumentException("Unknown package: " + packageName); 4764 } 4765 4766 final BasePermission bp = mSettings.mPermissions.get(name); 4767 if (bp == null) { 4768 throw new IllegalArgumentException("Unknown permission: " + name); 4769 } 4770 4771 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4772 4773 // If a permission review is required for legacy apps we represent 4774 // their permissions as always granted runtime ones since we need 4775 // to keep the review required permission flag per user while an 4776 // install permission's state is shared across all users. 4777 if (mPermissionReviewRequired 4778 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4779 && bp.isRuntime()) { 4780 return; 4781 } 4782 4783 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4784 sb = (SettingBase) pkg.mExtras; 4785 if (sb == null) { 4786 throw new IllegalArgumentException("Unknown package: " + packageName); 4787 } 4788 4789 final PermissionsState permissionsState = sb.getPermissionsState(); 4790 4791 final int flags = permissionsState.getPermissionFlags(name, userId); 4792 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4793 throw new SecurityException("Cannot grant system fixed permission " 4794 + name + " for package " + packageName); 4795 } 4796 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4797 throw new SecurityException("Cannot grant policy fixed permission " 4798 + name + " for package " + packageName); 4799 } 4800 4801 if (bp.isDevelopment()) { 4802 // Development permissions must be handled specially, since they are not 4803 // normal runtime permissions. For now they apply to all users. 4804 if (permissionsState.grantInstallPermission(bp) != 4805 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4806 scheduleWriteSettingsLocked(); 4807 } 4808 return; 4809 } 4810 4811 final PackageSetting ps = mSettings.mPackages.get(packageName); 4812 if (ps.getInstantApp(userId) && !bp.isInstant()) { 4813 throw new SecurityException("Cannot grant non-ephemeral permission" 4814 + name + " for package " + packageName); 4815 } 4816 4817 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4818 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4819 return; 4820 } 4821 4822 final int result = permissionsState.grantRuntimePermission(bp, userId); 4823 switch (result) { 4824 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4825 return; 4826 } 4827 4828 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4829 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4830 mHandler.post(new Runnable() { 4831 @Override 4832 public void run() { 4833 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4834 } 4835 }); 4836 } 4837 break; 4838 } 4839 4840 if (bp.isRuntime()) { 4841 logPermissionGranted(mContext, name, packageName); 4842 } 4843 4844 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4845 4846 // Not critical if that is lost - app has to request again. 4847 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4848 } 4849 4850 // Only need to do this if user is initialized. Otherwise it's a new user 4851 // and there are no processes running as the user yet and there's no need 4852 // to make an expensive call to remount processes for the changed permissions. 4853 if (READ_EXTERNAL_STORAGE.equals(name) 4854 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4855 final long token = Binder.clearCallingIdentity(); 4856 try { 4857 if (sUserManager.isInitialized(userId)) { 4858 StorageManagerInternal storageManagerInternal = LocalServices.getService( 4859 StorageManagerInternal.class); 4860 storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); 4861 } 4862 } finally { 4863 Binder.restoreCallingIdentity(token); 4864 } 4865 } 4866 } 4867 4868 @Override 4869 public void revokeRuntimePermission(String packageName, String name, int userId) { 4870 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4871 } 4872 4873 private void revokeRuntimePermission(String packageName, String name, int userId, 4874 boolean overridePolicy) { 4875 if (!sUserManager.exists(userId)) { 4876 Log.e(TAG, "No such user:" + userId); 4877 return; 4878 } 4879 4880 mContext.enforceCallingOrSelfPermission( 4881 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4882 "revokeRuntimePermission"); 4883 4884 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4885 true /* requireFullPermission */, true /* checkShell */, 4886 "revokeRuntimePermission"); 4887 4888 final int appId; 4889 4890 synchronized (mPackages) { 4891 final PackageParser.Package pkg = mPackages.get(packageName); 4892 if (pkg == null) { 4893 throw new IllegalArgumentException("Unknown package: " + packageName); 4894 } 4895 4896 final BasePermission bp = mSettings.mPermissions.get(name); 4897 if (bp == null) { 4898 throw new IllegalArgumentException("Unknown permission: " + name); 4899 } 4900 4901 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4902 4903 // If a permission review is required for legacy apps we represent 4904 // their permissions as always granted runtime ones since we need 4905 // to keep the review required permission flag per user while an 4906 // install permission's state is shared across all users. 4907 if (mPermissionReviewRequired 4908 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4909 && bp.isRuntime()) { 4910 return; 4911 } 4912 4913 SettingBase sb = (SettingBase) pkg.mExtras; 4914 if (sb == null) { 4915 throw new IllegalArgumentException("Unknown package: " + packageName); 4916 } 4917 4918 final PermissionsState permissionsState = sb.getPermissionsState(); 4919 4920 final int flags = permissionsState.getPermissionFlags(name, userId); 4921 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4922 throw new SecurityException("Cannot revoke system fixed permission " 4923 + name + " for package " + packageName); 4924 } 4925 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4926 throw new SecurityException("Cannot revoke policy fixed permission " 4927 + name + " for package " + packageName); 4928 } 4929 4930 if (bp.isDevelopment()) { 4931 // Development permissions must be handled specially, since they are not 4932 // normal runtime permissions. For now they apply to all users. 4933 if (permissionsState.revokeInstallPermission(bp) != 4934 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4935 scheduleWriteSettingsLocked(); 4936 } 4937 return; 4938 } 4939 4940 if (permissionsState.revokeRuntimePermission(bp, userId) == 4941 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4942 return; 4943 } 4944 4945 if (bp.isRuntime()) { 4946 logPermissionRevoked(mContext, name, packageName); 4947 } 4948 4949 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4950 4951 // Critical, after this call app should never have the permission. 4952 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4953 4954 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4955 } 4956 4957 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4958 } 4959 4960 /** 4961 * Get the first event id for the permission. 4962 * 4963 * <p>There are four events for each permission: <ul> 4964 * <li>Request permission: first id + 0</li> 4965 * <li>Grant permission: first id + 1</li> 4966 * <li>Request for permission denied: first id + 2</li> 4967 * <li>Revoke permission: first id + 3</li> 4968 * </ul></p> 4969 * 4970 * @param name name of the permission 4971 * 4972 * @return The first event id for the permission 4973 */ 4974 private static int getBaseEventId(@NonNull String name) { 4975 int eventIdIndex = ALL_DANGEROUS_PERMISSIONS.indexOf(name); 4976 4977 if (eventIdIndex == -1) { 4978 if (AppOpsManager.permissionToOpCode(name) == AppOpsManager.OP_NONE 4979 || "user".equals(Build.TYPE)) { 4980 Log.i(TAG, "Unknown permission " + name); 4981 4982 return MetricsEvent.ACTION_PERMISSION_REQUEST_UNKNOWN; 4983 } else { 4984 // Most likely #ALL_DANGEROUS_PERMISSIONS needs to be updated. 4985 // 4986 // Also update 4987 // - EventLogger#ALL_DANGEROUS_PERMISSIONS 4988 // - metrics_constants.proto 4989 throw new IllegalStateException("Unknown permission " + name); 4990 } 4991 } 4992 4993 return MetricsEvent.ACTION_PERMISSION_REQUEST_READ_CALENDAR + eventIdIndex * 4; 4994 } 4995 4996 /** 4997 * Log that a permission was revoked. 4998 * 4999 * @param context Context of the caller 5000 * @param name name of the permission 5001 * @param packageName package permission if for 5002 */ 5003 private static void logPermissionRevoked(@NonNull Context context, @NonNull String name, 5004 @NonNull String packageName) { 5005 MetricsLogger.action(context, getBaseEventId(name) + 3, packageName); 5006 } 5007 5008 /** 5009 * Log that a permission request was granted. 5010 * 5011 * @param context Context of the caller 5012 * @param name name of the permission 5013 * @param packageName package permission if for 5014 */ 5015 private static void logPermissionGranted(@NonNull Context context, @NonNull String name, 5016 @NonNull String packageName) { 5017 MetricsLogger.action(context, getBaseEventId(name) + 1, packageName); 5018 } 5019 5020 @Override 5021 public void resetRuntimePermissions() { 5022 mContext.enforceCallingOrSelfPermission( 5023 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 5024 "revokeRuntimePermission"); 5025 5026 int callingUid = Binder.getCallingUid(); 5027 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 5028 mContext.enforceCallingOrSelfPermission( 5029 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5030 "resetRuntimePermissions"); 5031 } 5032 5033 synchronized (mPackages) { 5034 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 5035 for (int userId : UserManagerService.getInstance().getUserIds()) { 5036 final int packageCount = mPackages.size(); 5037 for (int i = 0; i < packageCount; i++) { 5038 PackageParser.Package pkg = mPackages.valueAt(i); 5039 if (!(pkg.mExtras instanceof PackageSetting)) { 5040 continue; 5041 } 5042 PackageSetting ps = (PackageSetting) pkg.mExtras; 5043 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 5044 } 5045 } 5046 } 5047 } 5048 5049 @Override 5050 public int getPermissionFlags(String name, String packageName, int userId) { 5051 if (!sUserManager.exists(userId)) { 5052 return 0; 5053 } 5054 5055 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 5056 5057 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5058 true /* requireFullPermission */, false /* checkShell */, 5059 "getPermissionFlags"); 5060 5061 synchronized (mPackages) { 5062 final PackageParser.Package pkg = mPackages.get(packageName); 5063 if (pkg == null) { 5064 return 0; 5065 } 5066 5067 final BasePermission bp = mSettings.mPermissions.get(name); 5068 if (bp == null) { 5069 return 0; 5070 } 5071 5072 SettingBase sb = (SettingBase) pkg.mExtras; 5073 if (sb == null) { 5074 return 0; 5075 } 5076 5077 PermissionsState permissionsState = sb.getPermissionsState(); 5078 return permissionsState.getPermissionFlags(name, userId); 5079 } 5080 } 5081 5082 @Override 5083 public void updatePermissionFlags(String name, String packageName, int flagMask, 5084 int flagValues, int userId) { 5085 if (!sUserManager.exists(userId)) { 5086 return; 5087 } 5088 5089 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 5090 5091 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5092 true /* requireFullPermission */, true /* checkShell */, 5093 "updatePermissionFlags"); 5094 5095 // Only the system can change these flags and nothing else. 5096 if (getCallingUid() != Process.SYSTEM_UID) { 5097 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5098 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5099 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5100 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5101 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 5102 } 5103 5104 synchronized (mPackages) { 5105 final PackageParser.Package pkg = mPackages.get(packageName); 5106 if (pkg == null) { 5107 throw new IllegalArgumentException("Unknown package: " + packageName); 5108 } 5109 5110 final BasePermission bp = mSettings.mPermissions.get(name); 5111 if (bp == null) { 5112 throw new IllegalArgumentException("Unknown permission: " + name); 5113 } 5114 5115 SettingBase sb = (SettingBase) pkg.mExtras; 5116 if (sb == null) { 5117 throw new IllegalArgumentException("Unknown package: " + packageName); 5118 } 5119 5120 PermissionsState permissionsState = sb.getPermissionsState(); 5121 5122 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 5123 5124 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 5125 // Install and runtime permissions are stored in different places, 5126 // so figure out what permission changed and persist the change. 5127 if (permissionsState.getInstallPermissionState(name) != null) { 5128 scheduleWriteSettingsLocked(); 5129 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 5130 || hadState) { 5131 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5132 } 5133 } 5134 } 5135 } 5136 5137 /** 5138 * Update the permission flags for all packages and runtime permissions of a user in order 5139 * to allow device or profile owner to remove POLICY_FIXED. 5140 */ 5141 @Override 5142 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 5143 if (!sUserManager.exists(userId)) { 5144 return; 5145 } 5146 5147 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 5148 5149 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5150 true /* requireFullPermission */, true /* checkShell */, 5151 "updatePermissionFlagsForAllApps"); 5152 5153 // Only the system can change system fixed flags. 5154 if (getCallingUid() != Process.SYSTEM_UID) { 5155 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5156 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5157 } 5158 5159 synchronized (mPackages) { 5160 boolean changed = false; 5161 final int packageCount = mPackages.size(); 5162 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 5163 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 5164 SettingBase sb = (SettingBase) pkg.mExtras; 5165 if (sb == null) { 5166 continue; 5167 } 5168 PermissionsState permissionsState = sb.getPermissionsState(); 5169 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 5170 userId, flagMask, flagValues); 5171 } 5172 if (changed) { 5173 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5174 } 5175 } 5176 } 5177 5178 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 5179 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 5180 != PackageManager.PERMISSION_GRANTED 5181 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 5182 != PackageManager.PERMISSION_GRANTED) { 5183 throw new SecurityException(message + " requires " 5184 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 5185 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 5186 } 5187 } 5188 5189 @Override 5190 public boolean shouldShowRequestPermissionRationale(String permissionName, 5191 String packageName, int userId) { 5192 if (UserHandle.getCallingUserId() != userId) { 5193 mContext.enforceCallingPermission( 5194 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5195 "canShowRequestPermissionRationale for user " + userId); 5196 } 5197 5198 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 5199 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 5200 return false; 5201 } 5202 5203 if (checkPermission(permissionName, packageName, userId) 5204 == PackageManager.PERMISSION_GRANTED) { 5205 return false; 5206 } 5207 5208 final int flags; 5209 5210 final long identity = Binder.clearCallingIdentity(); 5211 try { 5212 flags = getPermissionFlags(permissionName, 5213 packageName, userId); 5214 } finally { 5215 Binder.restoreCallingIdentity(identity); 5216 } 5217 5218 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 5219 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 5220 | PackageManager.FLAG_PERMISSION_USER_FIXED; 5221 5222 if ((flags & fixedFlags) != 0) { 5223 return false; 5224 } 5225 5226 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 5227 } 5228 5229 @Override 5230 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5231 mContext.enforceCallingOrSelfPermission( 5232 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 5233 "addOnPermissionsChangeListener"); 5234 5235 synchronized (mPackages) { 5236 mOnPermissionChangeListeners.addListenerLocked(listener); 5237 } 5238 } 5239 5240 @Override 5241 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5242 synchronized (mPackages) { 5243 mOnPermissionChangeListeners.removeListenerLocked(listener); 5244 } 5245 } 5246 5247 @Override 5248 public boolean isProtectedBroadcast(String actionName) { 5249 synchronized (mPackages) { 5250 if (mProtectedBroadcasts.contains(actionName)) { 5251 return true; 5252 } else if (actionName != null) { 5253 // TODO: remove these terrible hacks 5254 if (actionName.startsWith("android.net.netmon.lingerExpired") 5255 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 5256 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 5257 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 5258 return true; 5259 } 5260 } 5261 } 5262 return false; 5263 } 5264 5265 @Override 5266 public int checkSignatures(String pkg1, String pkg2) { 5267 synchronized (mPackages) { 5268 final PackageParser.Package p1 = mPackages.get(pkg1); 5269 final PackageParser.Package p2 = mPackages.get(pkg2); 5270 if (p1 == null || p1.mExtras == null 5271 || p2 == null || p2.mExtras == null) { 5272 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5273 } 5274 return compareSignatures(p1.mSignatures, p2.mSignatures); 5275 } 5276 } 5277 5278 @Override 5279 public int checkUidSignatures(int uid1, int uid2) { 5280 // Map to base uids. 5281 uid1 = UserHandle.getAppId(uid1); 5282 uid2 = UserHandle.getAppId(uid2); 5283 // reader 5284 synchronized (mPackages) { 5285 Signature[] s1; 5286 Signature[] s2; 5287 Object obj = mSettings.getUserIdLPr(uid1); 5288 if (obj != null) { 5289 if (obj instanceof SharedUserSetting) { 5290 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 5291 } else if (obj instanceof PackageSetting) { 5292 s1 = ((PackageSetting)obj).signatures.mSignatures; 5293 } else { 5294 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5295 } 5296 } else { 5297 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5298 } 5299 obj = mSettings.getUserIdLPr(uid2); 5300 if (obj != null) { 5301 if (obj instanceof SharedUserSetting) { 5302 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 5303 } else if (obj instanceof PackageSetting) { 5304 s2 = ((PackageSetting)obj).signatures.mSignatures; 5305 } else { 5306 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5307 } 5308 } else { 5309 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5310 } 5311 return compareSignatures(s1, s2); 5312 } 5313 } 5314 5315 /** 5316 * This method should typically only be used when granting or revoking 5317 * permissions, since the app may immediately restart after this call. 5318 * <p> 5319 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 5320 * guard your work against the app being relaunched. 5321 */ 5322 private void killUid(int appId, int userId, String reason) { 5323 final long identity = Binder.clearCallingIdentity(); 5324 try { 5325 IActivityManager am = ActivityManager.getService(); 5326 if (am != null) { 5327 try { 5328 am.killUid(appId, userId, reason); 5329 } catch (RemoteException e) { 5330 /* ignore - same process */ 5331 } 5332 } 5333 } finally { 5334 Binder.restoreCallingIdentity(identity); 5335 } 5336 } 5337 5338 /** 5339 * Compares two sets of signatures. Returns: 5340 * <br /> 5341 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 5342 * <br /> 5343 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 5344 * <br /> 5345 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 5346 * <br /> 5347 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 5348 * <br /> 5349 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 5350 */ 5351 static int compareSignatures(Signature[] s1, Signature[] s2) { 5352 if (s1 == null) { 5353 return s2 == null 5354 ? PackageManager.SIGNATURE_NEITHER_SIGNED 5355 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 5356 } 5357 5358 if (s2 == null) { 5359 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 5360 } 5361 5362 if (s1.length != s2.length) { 5363 return PackageManager.SIGNATURE_NO_MATCH; 5364 } 5365 5366 // Since both signature sets are of size 1, we can compare without HashSets. 5367 if (s1.length == 1) { 5368 return s1[0].equals(s2[0]) ? 5369 PackageManager.SIGNATURE_MATCH : 5370 PackageManager.SIGNATURE_NO_MATCH; 5371 } 5372 5373 ArraySet<Signature> set1 = new ArraySet<Signature>(); 5374 for (Signature sig : s1) { 5375 set1.add(sig); 5376 } 5377 ArraySet<Signature> set2 = new ArraySet<Signature>(); 5378 for (Signature sig : s2) { 5379 set2.add(sig); 5380 } 5381 // Make sure s2 contains all signatures in s1. 5382 if (set1.equals(set2)) { 5383 return PackageManager.SIGNATURE_MATCH; 5384 } 5385 return PackageManager.SIGNATURE_NO_MATCH; 5386 } 5387 5388 /** 5389 * If the database version for this type of package (internal storage or 5390 * external storage) is less than the version where package signatures 5391 * were updated, return true. 5392 */ 5393 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5394 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5395 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 5396 } 5397 5398 /** 5399 * Used for backward compatibility to make sure any packages with 5400 * certificate chains get upgraded to the new style. {@code existingSigs} 5401 * will be in the old format (since they were stored on disk from before the 5402 * system upgrade) and {@code scannedSigs} will be in the newer format. 5403 */ 5404 private int compareSignaturesCompat(PackageSignatures existingSigs, 5405 PackageParser.Package scannedPkg) { 5406 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 5407 return PackageManager.SIGNATURE_NO_MATCH; 5408 } 5409 5410 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 5411 for (Signature sig : existingSigs.mSignatures) { 5412 existingSet.add(sig); 5413 } 5414 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 5415 for (Signature sig : scannedPkg.mSignatures) { 5416 try { 5417 Signature[] chainSignatures = sig.getChainSignatures(); 5418 for (Signature chainSig : chainSignatures) { 5419 scannedCompatSet.add(chainSig); 5420 } 5421 } catch (CertificateEncodingException e) { 5422 scannedCompatSet.add(sig); 5423 } 5424 } 5425 /* 5426 * Make sure the expanded scanned set contains all signatures in the 5427 * existing one. 5428 */ 5429 if (scannedCompatSet.equals(existingSet)) { 5430 // Migrate the old signatures to the new scheme. 5431 existingSigs.assignSignatures(scannedPkg.mSignatures); 5432 // The new KeySets will be re-added later in the scanning process. 5433 synchronized (mPackages) { 5434 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 5435 } 5436 return PackageManager.SIGNATURE_MATCH; 5437 } 5438 return PackageManager.SIGNATURE_NO_MATCH; 5439 } 5440 5441 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5442 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5443 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 5444 } 5445 5446 private int compareSignaturesRecover(PackageSignatures existingSigs, 5447 PackageParser.Package scannedPkg) { 5448 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 5449 return PackageManager.SIGNATURE_NO_MATCH; 5450 } 5451 5452 String msg = null; 5453 try { 5454 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 5455 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 5456 + scannedPkg.packageName); 5457 return PackageManager.SIGNATURE_MATCH; 5458 } 5459 } catch (CertificateException e) { 5460 msg = e.getMessage(); 5461 } 5462 5463 logCriticalInfo(Log.INFO, 5464 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 5465 return PackageManager.SIGNATURE_NO_MATCH; 5466 } 5467 5468 @Override 5469 public List<String> getAllPackages() { 5470 synchronized (mPackages) { 5471 return new ArrayList<String>(mPackages.keySet()); 5472 } 5473 } 5474 5475 @Override 5476 public String[] getPackagesForUid(int uid) { 5477 final int userId = UserHandle.getUserId(uid); 5478 uid = UserHandle.getAppId(uid); 5479 // reader 5480 synchronized (mPackages) { 5481 Object obj = mSettings.getUserIdLPr(uid); 5482 if (obj instanceof SharedUserSetting) { 5483 final SharedUserSetting sus = (SharedUserSetting) obj; 5484 final int N = sus.packages.size(); 5485 String[] res = new String[N]; 5486 final Iterator<PackageSetting> it = sus.packages.iterator(); 5487 int i = 0; 5488 while (it.hasNext()) { 5489 PackageSetting ps = it.next(); 5490 if (ps.getInstalled(userId)) { 5491 res[i++] = ps.name; 5492 } else { 5493 res = ArrayUtils.removeElement(String.class, res, res[i]); 5494 } 5495 } 5496 return res; 5497 } else if (obj instanceof PackageSetting) { 5498 final PackageSetting ps = (PackageSetting) obj; 5499 if (ps.getInstalled(userId)) { 5500 return new String[]{ps.name}; 5501 } 5502 } 5503 } 5504 return null; 5505 } 5506 5507 @Override 5508 public String getNameForUid(int uid) { 5509 // reader 5510 synchronized (mPackages) { 5511 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5512 if (obj instanceof SharedUserSetting) { 5513 final SharedUserSetting sus = (SharedUserSetting) obj; 5514 return sus.name + ":" + sus.userId; 5515 } else if (obj instanceof PackageSetting) { 5516 final PackageSetting ps = (PackageSetting) obj; 5517 return ps.name; 5518 } 5519 } 5520 return null; 5521 } 5522 5523 @Override 5524 public int getUidForSharedUser(String sharedUserName) { 5525 if(sharedUserName == null) { 5526 return -1; 5527 } 5528 // reader 5529 synchronized (mPackages) { 5530 SharedUserSetting suid; 5531 try { 5532 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5533 if (suid != null) { 5534 return suid.userId; 5535 } 5536 } catch (PackageManagerException ignore) { 5537 // can't happen, but, still need to catch it 5538 } 5539 return -1; 5540 } 5541 } 5542 5543 @Override 5544 public int getFlagsForUid(int uid) { 5545 synchronized (mPackages) { 5546 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5547 if (obj instanceof SharedUserSetting) { 5548 final SharedUserSetting sus = (SharedUserSetting) obj; 5549 return sus.pkgFlags; 5550 } else if (obj instanceof PackageSetting) { 5551 final PackageSetting ps = (PackageSetting) obj; 5552 return ps.pkgFlags; 5553 } 5554 } 5555 return 0; 5556 } 5557 5558 @Override 5559 public int getPrivateFlagsForUid(int uid) { 5560 synchronized (mPackages) { 5561 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5562 if (obj instanceof SharedUserSetting) { 5563 final SharedUserSetting sus = (SharedUserSetting) obj; 5564 return sus.pkgPrivateFlags; 5565 } else if (obj instanceof PackageSetting) { 5566 final PackageSetting ps = (PackageSetting) obj; 5567 return ps.pkgPrivateFlags; 5568 } 5569 } 5570 return 0; 5571 } 5572 5573 @Override 5574 public boolean isUidPrivileged(int uid) { 5575 uid = UserHandle.getAppId(uid); 5576 // reader 5577 synchronized (mPackages) { 5578 Object obj = mSettings.getUserIdLPr(uid); 5579 if (obj instanceof SharedUserSetting) { 5580 final SharedUserSetting sus = (SharedUserSetting) obj; 5581 final Iterator<PackageSetting> it = sus.packages.iterator(); 5582 while (it.hasNext()) { 5583 if (it.next().isPrivileged()) { 5584 return true; 5585 } 5586 } 5587 } else if (obj instanceof PackageSetting) { 5588 final PackageSetting ps = (PackageSetting) obj; 5589 return ps.isPrivileged(); 5590 } 5591 } 5592 return false; 5593 } 5594 5595 @Override 5596 public String[] getAppOpPermissionPackages(String permissionName) { 5597 synchronized (mPackages) { 5598 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 5599 if (pkgs == null) { 5600 return null; 5601 } 5602 return pkgs.toArray(new String[pkgs.size()]); 5603 } 5604 } 5605 5606 @Override 5607 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5608 int flags, int userId) { 5609 return resolveIntentInternal( 5610 intent, resolvedType, flags, userId, false /*includeInstantApp*/); 5611 } 5612 5613 private ResolveInfo resolveIntentInternal(Intent intent, String resolvedType, 5614 int flags, int userId, boolean includeInstantApp) { 5615 try { 5616 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5617 5618 if (!sUserManager.exists(userId)) return null; 5619 flags = updateFlagsForResolve(flags, userId, intent, includeInstantApp); 5620 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5621 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5622 5623 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5624 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5625 flags, userId, includeInstantApp); 5626 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5627 5628 final ResolveInfo bestChoice = 5629 chooseBestActivity(intent, resolvedType, flags, query, userId); 5630 return bestChoice; 5631 } finally { 5632 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5633 } 5634 } 5635 5636 @Override 5637 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 5638 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 5639 throw new SecurityException( 5640 "findPersistentPreferredActivity can only be run by the system"); 5641 } 5642 if (!sUserManager.exists(userId)) { 5643 return null; 5644 } 5645 intent = updateIntentForResolve(intent); 5646 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 5647 final int flags = updateFlagsForResolve(0, userId, intent, false); 5648 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5649 userId); 5650 synchronized (mPackages) { 5651 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 5652 userId); 5653 } 5654 } 5655 5656 @Override 5657 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 5658 IntentFilter filter, int match, ComponentName activity) { 5659 final int userId = UserHandle.getCallingUserId(); 5660 if (DEBUG_PREFERRED) { 5661 Log.v(TAG, "setLastChosenActivity intent=" + intent 5662 + " resolvedType=" + resolvedType 5663 + " flags=" + flags 5664 + " filter=" + filter 5665 + " match=" + match 5666 + " activity=" + activity); 5667 filter.dump(new PrintStreamPrinter(System.out), " "); 5668 } 5669 intent.setComponent(null); 5670 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5671 userId); 5672 // Find any earlier preferred or last chosen entries and nuke them 5673 findPreferredActivity(intent, resolvedType, 5674 flags, query, 0, false, true, false, userId); 5675 // Add the new activity as the last chosen for this filter 5676 addPreferredActivityInternal(filter, match, null, activity, false, userId, 5677 "Setting last chosen"); 5678 } 5679 5680 @Override 5681 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 5682 final int userId = UserHandle.getCallingUserId(); 5683 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 5684 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5685 userId); 5686 return findPreferredActivity(intent, resolvedType, flags, query, 0, 5687 false, false, false, userId); 5688 } 5689 5690 /** 5691 * Returns whether or not instant apps have been disabled remotely. 5692 * <p><em>IMPORTANT</em> This should not be called with the package manager lock 5693 * held. Otherwise we run the risk of deadlock. 5694 */ 5695 private boolean isEphemeralDisabled() { 5696 // ephemeral apps have been disabled across the board 5697 if (DISABLE_EPHEMERAL_APPS) { 5698 return true; 5699 } 5700 // system isn't up yet; can't read settings, so, assume no ephemeral apps 5701 if (!mSystemReady) { 5702 return true; 5703 } 5704 // we can't get a content resolver until the system is ready; these checks must happen last 5705 final ContentResolver resolver = mContext.getContentResolver(); 5706 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 5707 return true; 5708 } 5709 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 5710 } 5711 5712 private boolean isEphemeralAllowed( 5713 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 5714 boolean skipPackageCheck) { 5715 final int callingUser = UserHandle.getCallingUserId(); 5716 if (callingUser != UserHandle.USER_SYSTEM) { 5717 return false; 5718 } 5719 if (mInstantAppResolverConnection == null) { 5720 return false; 5721 } 5722 if (mInstantAppInstallerComponent == null) { 5723 return false; 5724 } 5725 if (intent.getComponent() != null) { 5726 return false; 5727 } 5728 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 5729 return false; 5730 } 5731 if (!skipPackageCheck && intent.getPackage() != null) { 5732 return false; 5733 } 5734 final boolean isWebUri = hasWebURI(intent); 5735 if (!isWebUri || intent.getData().getHost() == null) { 5736 return false; 5737 } 5738 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5739 // Or if there's already an ephemeral app installed that handles the action 5740 synchronized (mPackages) { 5741 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 5742 for (int n = 0; n < count; n++) { 5743 ResolveInfo info = resolvedActivities.get(n); 5744 String packageName = info.activityInfo.packageName; 5745 PackageSetting ps = mSettings.mPackages.get(packageName); 5746 if (ps != null) { 5747 // Try to get the status from User settings first 5748 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5749 int status = (int) (packedStatus >> 32); 5750 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5751 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5752 if (DEBUG_EPHEMERAL) { 5753 Slog.v(TAG, "DENY ephemeral apps;" 5754 + " pkg: " + packageName + ", status: " + status); 5755 } 5756 return false; 5757 } 5758 if (ps.getInstantApp(userId)) { 5759 return false; 5760 } 5761 } 5762 } 5763 } 5764 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5765 return true; 5766 } 5767 5768 private void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 5769 Intent origIntent, String resolvedType, String callingPackage, 5770 int userId) { 5771 final Message msg = mHandler.obtainMessage(INSTANT_APP_RESOLUTION_PHASE_TWO, 5772 new InstantAppRequest(responseObj, origIntent, resolvedType, 5773 callingPackage, userId)); 5774 mHandler.sendMessage(msg); 5775 } 5776 5777 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5778 int flags, List<ResolveInfo> query, int userId) { 5779 if (query != null) { 5780 final int N = query.size(); 5781 if (N == 1) { 5782 return query.get(0); 5783 } else if (N > 1) { 5784 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5785 // If there is more than one activity with the same priority, 5786 // then let the user decide between them. 5787 ResolveInfo r0 = query.get(0); 5788 ResolveInfo r1 = query.get(1); 5789 if (DEBUG_INTENT_MATCHING || debug) { 5790 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5791 + r1.activityInfo.name + "=" + r1.priority); 5792 } 5793 // If the first activity has a higher priority, or a different 5794 // default, then it is always desirable to pick it. 5795 if (r0.priority != r1.priority 5796 || r0.preferredOrder != r1.preferredOrder 5797 || r0.isDefault != r1.isDefault) { 5798 return query.get(0); 5799 } 5800 // If we have saved a preference for a preferred activity for 5801 // this Intent, use that. 5802 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5803 flags, query, r0.priority, true, false, debug, userId); 5804 if (ri != null) { 5805 return ri; 5806 } 5807 // If we have an ephemeral app, use it 5808 for (int i = 0; i < N; i++) { 5809 ri = query.get(i); 5810 if (ri.activityInfo.applicationInfo.isInstantApp()) { 5811 return ri; 5812 } 5813 } 5814 ri = new ResolveInfo(mResolveInfo); 5815 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5816 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5817 // If all of the options come from the same package, show the application's 5818 // label and icon instead of the generic resolver's. 5819 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5820 // and then throw away the ResolveInfo itself, meaning that the caller loses 5821 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5822 // a fallback for this case; we only set the target package's resources on 5823 // the ResolveInfo, not the ActivityInfo. 5824 final String intentPackage = intent.getPackage(); 5825 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5826 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5827 ri.resolvePackageName = intentPackage; 5828 if (userNeedsBadging(userId)) { 5829 ri.noResourceId = true; 5830 } else { 5831 ri.icon = appi.icon; 5832 } 5833 ri.iconResourceId = appi.icon; 5834 ri.labelRes = appi.labelRes; 5835 } 5836 ri.activityInfo.applicationInfo = new ApplicationInfo( 5837 ri.activityInfo.applicationInfo); 5838 if (userId != 0) { 5839 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5840 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5841 } 5842 // Make sure that the resolver is displayable in car mode 5843 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5844 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5845 return ri; 5846 } 5847 } 5848 return null; 5849 } 5850 5851 /** 5852 * Return true if the given list is not empty and all of its contents have 5853 * an activityInfo with the given package name. 5854 */ 5855 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5856 if (ArrayUtils.isEmpty(list)) { 5857 return false; 5858 } 5859 for (int i = 0, N = list.size(); i < N; i++) { 5860 final ResolveInfo ri = list.get(i); 5861 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5862 if (ai == null || !packageName.equals(ai.packageName)) { 5863 return false; 5864 } 5865 } 5866 return true; 5867 } 5868 5869 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5870 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5871 final int N = query.size(); 5872 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5873 .get(userId); 5874 // Get the list of persistent preferred activities that handle the intent 5875 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5876 List<PersistentPreferredActivity> pprefs = ppir != null 5877 ? ppir.queryIntent(intent, resolvedType, 5878 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5879 userId) 5880 : null; 5881 if (pprefs != null && pprefs.size() > 0) { 5882 final int M = pprefs.size(); 5883 for (int i=0; i<M; i++) { 5884 final PersistentPreferredActivity ppa = pprefs.get(i); 5885 if (DEBUG_PREFERRED || debug) { 5886 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5887 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5888 + "\n component=" + ppa.mComponent); 5889 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5890 } 5891 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5892 flags | MATCH_DISABLED_COMPONENTS, userId); 5893 if (DEBUG_PREFERRED || debug) { 5894 Slog.v(TAG, "Found persistent preferred activity:"); 5895 if (ai != null) { 5896 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5897 } else { 5898 Slog.v(TAG, " null"); 5899 } 5900 } 5901 if (ai == null) { 5902 // This previously registered persistent preferred activity 5903 // component is no longer known. Ignore it and do NOT remove it. 5904 continue; 5905 } 5906 for (int j=0; j<N; j++) { 5907 final ResolveInfo ri = query.get(j); 5908 if (!ri.activityInfo.applicationInfo.packageName 5909 .equals(ai.applicationInfo.packageName)) { 5910 continue; 5911 } 5912 if (!ri.activityInfo.name.equals(ai.name)) { 5913 continue; 5914 } 5915 // Found a persistent preference that can handle the intent. 5916 if (DEBUG_PREFERRED || debug) { 5917 Slog.v(TAG, "Returning persistent preferred activity: " + 5918 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5919 } 5920 return ri; 5921 } 5922 } 5923 } 5924 return null; 5925 } 5926 5927 // TODO: handle preferred activities missing while user has amnesia 5928 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5929 List<ResolveInfo> query, int priority, boolean always, 5930 boolean removeMatches, boolean debug, int userId) { 5931 if (!sUserManager.exists(userId)) return null; 5932 flags = updateFlagsForResolve(flags, userId, intent, false); 5933 intent = updateIntentForResolve(intent); 5934 // writer 5935 synchronized (mPackages) { 5936 // Try to find a matching persistent preferred activity. 5937 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5938 debug, userId); 5939 5940 // If a persistent preferred activity matched, use it. 5941 if (pri != null) { 5942 return pri; 5943 } 5944 5945 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5946 // Get the list of preferred activities that handle the intent 5947 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5948 List<PreferredActivity> prefs = pir != null 5949 ? pir.queryIntent(intent, resolvedType, 5950 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5951 userId) 5952 : null; 5953 if (prefs != null && prefs.size() > 0) { 5954 boolean changed = false; 5955 try { 5956 // First figure out how good the original match set is. 5957 // We will only allow preferred activities that came 5958 // from the same match quality. 5959 int match = 0; 5960 5961 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5962 5963 final int N = query.size(); 5964 for (int j=0; j<N; j++) { 5965 final ResolveInfo ri = query.get(j); 5966 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5967 + ": 0x" + Integer.toHexString(match)); 5968 if (ri.match > match) { 5969 match = ri.match; 5970 } 5971 } 5972 5973 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5974 + Integer.toHexString(match)); 5975 5976 match &= IntentFilter.MATCH_CATEGORY_MASK; 5977 final int M = prefs.size(); 5978 for (int i=0; i<M; i++) { 5979 final PreferredActivity pa = prefs.get(i); 5980 if (DEBUG_PREFERRED || debug) { 5981 Slog.v(TAG, "Checking PreferredActivity ds=" 5982 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5983 + "\n component=" + pa.mPref.mComponent); 5984 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5985 } 5986 if (pa.mPref.mMatch != match) { 5987 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5988 + Integer.toHexString(pa.mPref.mMatch)); 5989 continue; 5990 } 5991 // If it's not an "always" type preferred activity and that's what we're 5992 // looking for, skip it. 5993 if (always && !pa.mPref.mAlways) { 5994 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5995 continue; 5996 } 5997 final ActivityInfo ai = getActivityInfo( 5998 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5999 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 6000 userId); 6001 if (DEBUG_PREFERRED || debug) { 6002 Slog.v(TAG, "Found preferred activity:"); 6003 if (ai != null) { 6004 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6005 } else { 6006 Slog.v(TAG, " null"); 6007 } 6008 } 6009 if (ai == null) { 6010 // This previously registered preferred activity 6011 // component is no longer known. Most likely an update 6012 // to the app was installed and in the new version this 6013 // component no longer exists. Clean it up by removing 6014 // it from the preferred activities list, and skip it. 6015 Slog.w(TAG, "Removing dangling preferred activity: " 6016 + pa.mPref.mComponent); 6017 pir.removeFilter(pa); 6018 changed = true; 6019 continue; 6020 } 6021 for (int j=0; j<N; j++) { 6022 final ResolveInfo ri = query.get(j); 6023 if (!ri.activityInfo.applicationInfo.packageName 6024 .equals(ai.applicationInfo.packageName)) { 6025 continue; 6026 } 6027 if (!ri.activityInfo.name.equals(ai.name)) { 6028 continue; 6029 } 6030 6031 if (removeMatches) { 6032 pir.removeFilter(pa); 6033 changed = true; 6034 if (DEBUG_PREFERRED) { 6035 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 6036 } 6037 break; 6038 } 6039 6040 // Okay we found a previously set preferred or last chosen app. 6041 // If the result set is different from when this 6042 // was created, we need to clear it and re-ask the 6043 // user their preference, if we're looking for an "always" type entry. 6044 if (always && !pa.mPref.sameSet(query)) { 6045 Slog.i(TAG, "Result set changed, dropping preferred activity for " 6046 + intent + " type " + resolvedType); 6047 if (DEBUG_PREFERRED) { 6048 Slog.v(TAG, "Removing preferred activity since set changed " 6049 + pa.mPref.mComponent); 6050 } 6051 pir.removeFilter(pa); 6052 // Re-add the filter as a "last chosen" entry (!always) 6053 PreferredActivity lastChosen = new PreferredActivity( 6054 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 6055 pir.addFilter(lastChosen); 6056 changed = true; 6057 return null; 6058 } 6059 6060 // Yay! Either the set matched or we're looking for the last chosen 6061 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 6062 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6063 return ri; 6064 } 6065 } 6066 } finally { 6067 if (changed) { 6068 if (DEBUG_PREFERRED) { 6069 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 6070 } 6071 scheduleWritePackageRestrictionsLocked(userId); 6072 } 6073 } 6074 } 6075 } 6076 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 6077 return null; 6078 } 6079 6080 /* 6081 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 6082 */ 6083 @Override 6084 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 6085 int targetUserId) { 6086 mContext.enforceCallingOrSelfPermission( 6087 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 6088 List<CrossProfileIntentFilter> matches = 6089 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 6090 if (matches != null) { 6091 int size = matches.size(); 6092 for (int i = 0; i < size; i++) { 6093 if (matches.get(i).getTargetUserId() == targetUserId) return true; 6094 } 6095 } 6096 if (hasWebURI(intent)) { 6097 // cross-profile app linking works only towards the parent. 6098 final UserInfo parent = getProfileParent(sourceUserId); 6099 synchronized(mPackages) { 6100 int flags = updateFlagsForResolve(0, parent.id, intent, false); 6101 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 6102 intent, resolvedType, flags, sourceUserId, parent.id); 6103 return xpDomainInfo != null; 6104 } 6105 } 6106 return false; 6107 } 6108 6109 private UserInfo getProfileParent(int userId) { 6110 final long identity = Binder.clearCallingIdentity(); 6111 try { 6112 return sUserManager.getProfileParent(userId); 6113 } finally { 6114 Binder.restoreCallingIdentity(identity); 6115 } 6116 } 6117 6118 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 6119 String resolvedType, int userId) { 6120 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 6121 if (resolver != null) { 6122 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, userId); 6123 } 6124 return null; 6125 } 6126 6127 @Override 6128 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 6129 String resolvedType, int flags, int userId) { 6130 try { 6131 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 6132 6133 return new ParceledListSlice<>( 6134 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 6135 } finally { 6136 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6137 } 6138 } 6139 6140 /** 6141 * Returns the package name of the calling Uid if it's an instant app. If it isn't 6142 * instant, returns {@code null}. 6143 */ 6144 private String getInstantAppPackageName(int callingUid) { 6145 final int appId = UserHandle.getAppId(callingUid); 6146 synchronized (mPackages) { 6147 final Object obj = mSettings.getUserIdLPr(appId); 6148 if (obj instanceof PackageSetting) { 6149 final PackageSetting ps = (PackageSetting) obj; 6150 final boolean isInstantApp = ps.getInstantApp(UserHandle.getUserId(callingUid)); 6151 return isInstantApp ? ps.pkg.packageName : null; 6152 } 6153 } 6154 return null; 6155 } 6156 6157 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6158 String resolvedType, int flags, int userId) { 6159 return queryIntentActivitiesInternal(intent, resolvedType, flags, userId, false); 6160 } 6161 6162 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6163 String resolvedType, int flags, int userId, boolean includeInstantApp) { 6164 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6165 final String instantAppPkgName = getInstantAppPackageName(Binder.getCallingUid()); 6166 flags = updateFlagsForResolve(flags, userId, intent, includeInstantApp); 6167 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6168 false /* requireFullPermission */, false /* checkShell */, 6169 "query intent activities"); 6170 ComponentName comp = intent.getComponent(); 6171 if (comp == null) { 6172 if (intent.getSelector() != null) { 6173 intent = intent.getSelector(); 6174 comp = intent.getComponent(); 6175 } 6176 } 6177 6178 if (comp != null) { 6179 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6180 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 6181 if (ai != null) { 6182 // When specifying an explicit component, we prevent the activity from being 6183 // used when either 1) the calling package is normal and the activity is within 6184 // an ephemeral application or 2) the calling package is ephemeral and the 6185 // activity is not visible to ephemeral applications. 6186 final boolean matchInstantApp = 6187 (flags & PackageManager.MATCH_INSTANT) != 0; 6188 final boolean matchVisibleToInstantAppOnly = 6189 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 6190 final boolean isCallerInstantApp = 6191 instantAppPkgName != null; 6192 final boolean isTargetSameInstantApp = 6193 comp.getPackageName().equals(instantAppPkgName); 6194 final boolean isTargetInstantApp = 6195 (ai.applicationInfo.privateFlags 6196 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 6197 final boolean isTargetHiddenFromInstantApp = 6198 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0; 6199 final boolean blockResolution = 6200 !isTargetSameInstantApp 6201 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 6202 || (matchVisibleToInstantAppOnly && isCallerInstantApp 6203 && isTargetHiddenFromInstantApp)); 6204 if (!blockResolution) { 6205 final ResolveInfo ri = new ResolveInfo(); 6206 ri.activityInfo = ai; 6207 list.add(ri); 6208 } 6209 } 6210 return applyPostResolutionFilter(list, instantAppPkgName); 6211 } 6212 6213 // reader 6214 boolean sortResult = false; 6215 boolean addEphemeral = false; 6216 List<ResolveInfo> result; 6217 final String pkgName = intent.getPackage(); 6218 final boolean ephemeralDisabled = isEphemeralDisabled(); 6219 synchronized (mPackages) { 6220 if (pkgName == null) { 6221 List<CrossProfileIntentFilter> matchingFilters = 6222 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 6223 // Check for results that need to skip the current profile. 6224 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 6225 resolvedType, flags, userId); 6226 if (xpResolveInfo != null) { 6227 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 6228 xpResult.add(xpResolveInfo); 6229 return applyPostResolutionFilter( 6230 filterIfNotSystemUser(xpResult, userId), instantAppPkgName); 6231 } 6232 6233 // Check for results in the current profile. 6234 result = filterIfNotSystemUser(mActivities.queryIntent( 6235 intent, resolvedType, flags, userId), userId); 6236 addEphemeral = !ephemeralDisabled 6237 && isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 6238 6239 // Check for cross profile results. 6240 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 6241 xpResolveInfo = queryCrossProfileIntents( 6242 matchingFilters, intent, resolvedType, flags, userId, 6243 hasNonNegativePriorityResult); 6244 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 6245 boolean isVisibleToUser = filterIfNotSystemUser( 6246 Collections.singletonList(xpResolveInfo), userId).size() > 0; 6247 if (isVisibleToUser) { 6248 result.add(xpResolveInfo); 6249 sortResult = true; 6250 } 6251 } 6252 if (hasWebURI(intent)) { 6253 CrossProfileDomainInfo xpDomainInfo = null; 6254 final UserInfo parent = getProfileParent(userId); 6255 if (parent != null) { 6256 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 6257 flags, userId, parent.id); 6258 } 6259 if (xpDomainInfo != null) { 6260 if (xpResolveInfo != null) { 6261 // If we didn't remove it, the cross-profile ResolveInfo would be twice 6262 // in the result. 6263 result.remove(xpResolveInfo); 6264 } 6265 if (result.size() == 0 && !addEphemeral) { 6266 // No result in current profile, but found candidate in parent user. 6267 // And we are not going to add emphemeral app, so we can return the 6268 // result straight away. 6269 result.add(xpDomainInfo.resolveInfo); 6270 return applyPostResolutionFilter(result, instantAppPkgName); 6271 } 6272 } else if (result.size() <= 1 && !addEphemeral) { 6273 // No result in parent user and <= 1 result in current profile, and we 6274 // are not going to add emphemeral app, so we can return the result without 6275 // further processing. 6276 return applyPostResolutionFilter(result, instantAppPkgName); 6277 } 6278 // We have more than one candidate (combining results from current and parent 6279 // profile), so we need filtering and sorting. 6280 result = filterCandidatesWithDomainPreferredActivitiesLPr( 6281 intent, flags, result, xpDomainInfo, userId); 6282 sortResult = true; 6283 } 6284 } else { 6285 final PackageParser.Package pkg = mPackages.get(pkgName); 6286 if (pkg != null) { 6287 result = applyPostResolutionFilter(filterIfNotSystemUser( 6288 mActivities.queryIntentForPackage( 6289 intent, resolvedType, flags, pkg.activities, userId), 6290 userId), instantAppPkgName); 6291 } else { 6292 // the caller wants to resolve for a particular package; however, there 6293 // were no installed results, so, try to find an ephemeral result 6294 addEphemeral = !ephemeralDisabled 6295 && isEphemeralAllowed( 6296 intent, null /*result*/, userId, true /*skipPackageCheck*/); 6297 result = new ArrayList<ResolveInfo>(); 6298 } 6299 } 6300 } 6301 if (addEphemeral) { 6302 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 6303 final InstantAppRequest requestObject = new InstantAppRequest( 6304 null /*responseObj*/, intent /*origIntent*/, resolvedType, 6305 null /*callingPackage*/, userId); 6306 final AuxiliaryResolveInfo auxiliaryResponse = 6307 InstantAppResolver.doInstantAppResolutionPhaseOne( 6308 mContext, mInstantAppResolverConnection, requestObject); 6309 if (auxiliaryResponse != null) { 6310 if (DEBUG_EPHEMERAL) { 6311 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6312 } 6313 final ResolveInfo ephemeralInstaller = new ResolveInfo(mInstantAppInstallerInfo); 6314 ephemeralInstaller.auxiliaryInfo = auxiliaryResponse; 6315 // make sure this resolver is the default 6316 ephemeralInstaller.isDefault = true; 6317 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6318 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6319 // add a non-generic filter 6320 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 6321 ephemeralInstaller.filter.addDataPath( 6322 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 6323 ephemeralInstaller.instantAppAvailable = true; 6324 result.add(ephemeralInstaller); 6325 } 6326 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6327 } 6328 if (sortResult) { 6329 Collections.sort(result, mResolvePrioritySorter); 6330 } 6331 return applyPostResolutionFilter(result, instantAppPkgName); 6332 } 6333 6334 private static class CrossProfileDomainInfo { 6335 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 6336 ResolveInfo resolveInfo; 6337 /* Best domain verification status of the activities found in the other profile */ 6338 int bestDomainVerificationStatus; 6339 } 6340 6341 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 6342 String resolvedType, int flags, int sourceUserId, int parentUserId) { 6343 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 6344 sourceUserId)) { 6345 return null; 6346 } 6347 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6348 resolvedType, flags, parentUserId); 6349 6350 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 6351 return null; 6352 } 6353 CrossProfileDomainInfo result = null; 6354 int size = resultTargetUser.size(); 6355 for (int i = 0; i < size; i++) { 6356 ResolveInfo riTargetUser = resultTargetUser.get(i); 6357 // Intent filter verification is only for filters that specify a host. So don't return 6358 // those that handle all web uris. 6359 if (riTargetUser.handleAllWebDataURI) { 6360 continue; 6361 } 6362 String packageName = riTargetUser.activityInfo.packageName; 6363 PackageSetting ps = mSettings.mPackages.get(packageName); 6364 if (ps == null) { 6365 continue; 6366 } 6367 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 6368 int status = (int)(verificationState >> 32); 6369 if (result == null) { 6370 result = new CrossProfileDomainInfo(); 6371 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 6372 sourceUserId, parentUserId); 6373 result.bestDomainVerificationStatus = status; 6374 } else { 6375 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 6376 result.bestDomainVerificationStatus); 6377 } 6378 } 6379 // Don't consider matches with status NEVER across profiles. 6380 if (result != null && result.bestDomainVerificationStatus 6381 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6382 return null; 6383 } 6384 return result; 6385 } 6386 6387 /** 6388 * Verification statuses are ordered from the worse to the best, except for 6389 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 6390 */ 6391 private int bestDomainVerificationStatus(int status1, int status2) { 6392 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6393 return status2; 6394 } 6395 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6396 return status1; 6397 } 6398 return (int) MathUtils.max(status1, status2); 6399 } 6400 6401 private boolean isUserEnabled(int userId) { 6402 long callingId = Binder.clearCallingIdentity(); 6403 try { 6404 UserInfo userInfo = sUserManager.getUserInfo(userId); 6405 return userInfo != null && userInfo.isEnabled(); 6406 } finally { 6407 Binder.restoreCallingIdentity(callingId); 6408 } 6409 } 6410 6411 /** 6412 * Filter out activities with systemUserOnly flag set, when current user is not System. 6413 * 6414 * @return filtered list 6415 */ 6416 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 6417 if (userId == UserHandle.USER_SYSTEM) { 6418 return resolveInfos; 6419 } 6420 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6421 ResolveInfo info = resolveInfos.get(i); 6422 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 6423 resolveInfos.remove(i); 6424 } 6425 } 6426 return resolveInfos; 6427 } 6428 6429 /** 6430 * Filters out ephemeral activities. 6431 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 6432 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 6433 * 6434 * @param resolveInfos The pre-filtered list of resolved activities 6435 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 6436 * is performed. 6437 * @return A filtered list of resolved activities. 6438 */ 6439 private List<ResolveInfo> applyPostResolutionFilter(List<ResolveInfo> resolveInfos, 6440 String ephemeralPkgName) { 6441 // TODO: When adding on-demand split support for non-instant apps, remove this check 6442 // and always apply post filtering 6443 if (ephemeralPkgName == null) { 6444 return resolveInfos; 6445 } 6446 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6447 final ResolveInfo info = resolveInfos.get(i); 6448 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isInstantApp(); 6449 // allow activities that are defined in the provided package 6450 if (isEphemeralApp && ephemeralPkgName.equals(info.activityInfo.packageName)) { 6451 if (info.activityInfo.splitName != null 6452 && !ArrayUtils.contains(info.activityInfo.applicationInfo.splitNames, 6453 info.activityInfo.splitName)) { 6454 // requested activity is defined in a split that hasn't been installed yet. 6455 // add the installer to the resolve list 6456 if (DEBUG_EPHEMERAL) { 6457 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6458 } 6459 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 6460 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 6461 info.activityInfo.packageName, info.activityInfo.splitName, 6462 info.activityInfo.applicationInfo.versionCode); 6463 // make sure this resolver is the default 6464 installerInfo.isDefault = true; 6465 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6466 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6467 // add a non-generic filter 6468 installerInfo.filter = new IntentFilter(); 6469 // load resources from the correct package 6470 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 6471 resolveInfos.set(i, installerInfo); 6472 } 6473 continue; 6474 } 6475 // allow activities that have been explicitly exposed to ephemeral apps 6476 if (!isEphemeralApp 6477 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) != 0)) { 6478 continue; 6479 } 6480 resolveInfos.remove(i); 6481 } 6482 return resolveInfos; 6483 } 6484 6485 /** 6486 * @param resolveInfos list of resolve infos in descending priority order 6487 * @return if the list contains a resolve info with non-negative priority 6488 */ 6489 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 6490 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 6491 } 6492 6493 private static boolean hasWebURI(Intent intent) { 6494 if (intent.getData() == null) { 6495 return false; 6496 } 6497 final String scheme = intent.getScheme(); 6498 if (TextUtils.isEmpty(scheme)) { 6499 return false; 6500 } 6501 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 6502 } 6503 6504 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 6505 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 6506 int userId) { 6507 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 6508 6509 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6510 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 6511 candidates.size()); 6512 } 6513 6514 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 6515 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 6516 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 6517 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 6518 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 6519 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 6520 6521 synchronized (mPackages) { 6522 final int count = candidates.size(); 6523 // First, try to use linked apps. Partition the candidates into four lists: 6524 // one for the final results, one for the "do not use ever", one for "undefined status" 6525 // and finally one for "browser app type". 6526 for (int n=0; n<count; n++) { 6527 ResolveInfo info = candidates.get(n); 6528 String packageName = info.activityInfo.packageName; 6529 PackageSetting ps = mSettings.mPackages.get(packageName); 6530 if (ps != null) { 6531 // Add to the special match all list (Browser use case) 6532 if (info.handleAllWebDataURI) { 6533 matchAllList.add(info); 6534 continue; 6535 } 6536 // Try to get the status from User settings first 6537 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6538 int status = (int)(packedStatus >> 32); 6539 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6540 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 6541 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6542 Slog.i(TAG, " + always: " + info.activityInfo.packageName 6543 + " : linkgen=" + linkGeneration); 6544 } 6545 // Use link-enabled generation as preferredOrder, i.e. 6546 // prefer newly-enabled over earlier-enabled. 6547 info.preferredOrder = linkGeneration; 6548 alwaysList.add(info); 6549 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6550 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6551 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 6552 } 6553 neverList.add(info); 6554 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6555 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6556 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 6557 } 6558 alwaysAskList.add(info); 6559 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 6560 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 6561 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6562 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 6563 } 6564 undefinedList.add(info); 6565 } 6566 } 6567 } 6568 6569 // We'll want to include browser possibilities in a few cases 6570 boolean includeBrowser = false; 6571 6572 // First try to add the "always" resolution(s) for the current user, if any 6573 if (alwaysList.size() > 0) { 6574 result.addAll(alwaysList); 6575 } else { 6576 // Add all undefined apps as we want them to appear in the disambiguation dialog. 6577 result.addAll(undefinedList); 6578 // Maybe add one for the other profile. 6579 if (xpDomainInfo != null && ( 6580 xpDomainInfo.bestDomainVerificationStatus 6581 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 6582 result.add(xpDomainInfo.resolveInfo); 6583 } 6584 includeBrowser = true; 6585 } 6586 6587 // The presence of any 'always ask' alternatives means we'll also offer browsers. 6588 // If there were 'always' entries their preferred order has been set, so we also 6589 // back that off to make the alternatives equivalent 6590 if (alwaysAskList.size() > 0) { 6591 for (ResolveInfo i : result) { 6592 i.preferredOrder = 0; 6593 } 6594 result.addAll(alwaysAskList); 6595 includeBrowser = true; 6596 } 6597 6598 if (includeBrowser) { 6599 // Also add browsers (all of them or only the default one) 6600 if (DEBUG_DOMAIN_VERIFICATION) { 6601 Slog.v(TAG, " ...including browsers in candidate set"); 6602 } 6603 if ((matchFlags & MATCH_ALL) != 0) { 6604 result.addAll(matchAllList); 6605 } else { 6606 // Browser/generic handling case. If there's a default browser, go straight 6607 // to that (but only if there is no other higher-priority match). 6608 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 6609 int maxMatchPrio = 0; 6610 ResolveInfo defaultBrowserMatch = null; 6611 final int numCandidates = matchAllList.size(); 6612 for (int n = 0; n < numCandidates; n++) { 6613 ResolveInfo info = matchAllList.get(n); 6614 // track the highest overall match priority... 6615 if (info.priority > maxMatchPrio) { 6616 maxMatchPrio = info.priority; 6617 } 6618 // ...and the highest-priority default browser match 6619 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 6620 if (defaultBrowserMatch == null 6621 || (defaultBrowserMatch.priority < info.priority)) { 6622 if (debug) { 6623 Slog.v(TAG, "Considering default browser match " + info); 6624 } 6625 defaultBrowserMatch = info; 6626 } 6627 } 6628 } 6629 if (defaultBrowserMatch != null 6630 && defaultBrowserMatch.priority >= maxMatchPrio 6631 && !TextUtils.isEmpty(defaultBrowserPackageName)) 6632 { 6633 if (debug) { 6634 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 6635 } 6636 result.add(defaultBrowserMatch); 6637 } else { 6638 result.addAll(matchAllList); 6639 } 6640 } 6641 6642 // If there is nothing selected, add all candidates and remove the ones that the user 6643 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 6644 if (result.size() == 0) { 6645 result.addAll(candidates); 6646 result.removeAll(neverList); 6647 } 6648 } 6649 } 6650 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6651 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 6652 result.size()); 6653 for (ResolveInfo info : result) { 6654 Slog.v(TAG, " + " + info.activityInfo); 6655 } 6656 } 6657 return result; 6658 } 6659 6660 // Returns a packed value as a long: 6661 // 6662 // high 'int'-sized word: link status: undefined/ask/never/always. 6663 // low 'int'-sized word: relative priority among 'always' results. 6664 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 6665 long result = ps.getDomainVerificationStatusForUser(userId); 6666 // if none available, get the master status 6667 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 6668 if (ps.getIntentFilterVerificationInfo() != null) { 6669 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 6670 } 6671 } 6672 return result; 6673 } 6674 6675 private ResolveInfo querySkipCurrentProfileIntents( 6676 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6677 int flags, int sourceUserId) { 6678 if (matchingFilters != null) { 6679 int size = matchingFilters.size(); 6680 for (int i = 0; i < size; i ++) { 6681 CrossProfileIntentFilter filter = matchingFilters.get(i); 6682 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 6683 // Checking if there are activities in the target user that can handle the 6684 // intent. 6685 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6686 resolvedType, flags, sourceUserId); 6687 if (resolveInfo != null) { 6688 return resolveInfo; 6689 } 6690 } 6691 } 6692 } 6693 return null; 6694 } 6695 6696 // Return matching ResolveInfo in target user if any. 6697 private ResolveInfo queryCrossProfileIntents( 6698 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6699 int flags, int sourceUserId, boolean matchInCurrentProfile) { 6700 if (matchingFilters != null) { 6701 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 6702 // match the same intent. For performance reasons, it is better not to 6703 // run queryIntent twice for the same userId 6704 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 6705 int size = matchingFilters.size(); 6706 for (int i = 0; i < size; i++) { 6707 CrossProfileIntentFilter filter = matchingFilters.get(i); 6708 int targetUserId = filter.getTargetUserId(); 6709 boolean skipCurrentProfile = 6710 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 6711 boolean skipCurrentProfileIfNoMatchFound = 6712 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 6713 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 6714 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 6715 // Checking if there are activities in the target user that can handle the 6716 // intent. 6717 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6718 resolvedType, flags, sourceUserId); 6719 if (resolveInfo != null) return resolveInfo; 6720 alreadyTriedUserIds.put(targetUserId, true); 6721 } 6722 } 6723 } 6724 return null; 6725 } 6726 6727 /** 6728 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 6729 * will forward the intent to the filter's target user. 6730 * Otherwise, returns null. 6731 */ 6732 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 6733 String resolvedType, int flags, int sourceUserId) { 6734 int targetUserId = filter.getTargetUserId(); 6735 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6736 resolvedType, flags, targetUserId); 6737 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 6738 // If all the matches in the target profile are suspended, return null. 6739 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 6740 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 6741 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 6742 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 6743 targetUserId); 6744 } 6745 } 6746 } 6747 return null; 6748 } 6749 6750 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 6751 int sourceUserId, int targetUserId) { 6752 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 6753 long ident = Binder.clearCallingIdentity(); 6754 boolean targetIsProfile; 6755 try { 6756 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 6757 } finally { 6758 Binder.restoreCallingIdentity(ident); 6759 } 6760 String className; 6761 if (targetIsProfile) { 6762 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 6763 } else { 6764 className = FORWARD_INTENT_TO_PARENT; 6765 } 6766 ComponentName forwardingActivityComponentName = new ComponentName( 6767 mAndroidApplication.packageName, className); 6768 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 6769 sourceUserId); 6770 if (!targetIsProfile) { 6771 forwardingActivityInfo.showUserIcon = targetUserId; 6772 forwardingResolveInfo.noResourceId = true; 6773 } 6774 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 6775 forwardingResolveInfo.priority = 0; 6776 forwardingResolveInfo.preferredOrder = 0; 6777 forwardingResolveInfo.match = 0; 6778 forwardingResolveInfo.isDefault = true; 6779 forwardingResolveInfo.filter = filter; 6780 forwardingResolveInfo.targetUserId = targetUserId; 6781 return forwardingResolveInfo; 6782 } 6783 6784 @Override 6785 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 6786 Intent[] specifics, String[] specificTypes, Intent intent, 6787 String resolvedType, int flags, int userId) { 6788 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 6789 specificTypes, intent, resolvedType, flags, userId)); 6790 } 6791 6792 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 6793 Intent[] specifics, String[] specificTypes, Intent intent, 6794 String resolvedType, int flags, int userId) { 6795 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6796 flags = updateFlagsForResolve(flags, userId, intent, false); 6797 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6798 false /* requireFullPermission */, false /* checkShell */, 6799 "query intent activity options"); 6800 final String resultsAction = intent.getAction(); 6801 6802 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 6803 | PackageManager.GET_RESOLVED_FILTER, userId); 6804 6805 if (DEBUG_INTENT_MATCHING) { 6806 Log.v(TAG, "Query " + intent + ": " + results); 6807 } 6808 6809 int specificsPos = 0; 6810 int N; 6811 6812 // todo: note that the algorithm used here is O(N^2). This 6813 // isn't a problem in our current environment, but if we start running 6814 // into situations where we have more than 5 or 10 matches then this 6815 // should probably be changed to something smarter... 6816 6817 // First we go through and resolve each of the specific items 6818 // that were supplied, taking care of removing any corresponding 6819 // duplicate items in the generic resolve list. 6820 if (specifics != null) { 6821 for (int i=0; i<specifics.length; i++) { 6822 final Intent sintent = specifics[i]; 6823 if (sintent == null) { 6824 continue; 6825 } 6826 6827 if (DEBUG_INTENT_MATCHING) { 6828 Log.v(TAG, "Specific #" + i + ": " + sintent); 6829 } 6830 6831 String action = sintent.getAction(); 6832 if (resultsAction != null && resultsAction.equals(action)) { 6833 // If this action was explicitly requested, then don't 6834 // remove things that have it. 6835 action = null; 6836 } 6837 6838 ResolveInfo ri = null; 6839 ActivityInfo ai = null; 6840 6841 ComponentName comp = sintent.getComponent(); 6842 if (comp == null) { 6843 ri = resolveIntent( 6844 sintent, 6845 specificTypes != null ? specificTypes[i] : null, 6846 flags, userId); 6847 if (ri == null) { 6848 continue; 6849 } 6850 if (ri == mResolveInfo) { 6851 // ACK! Must do something better with this. 6852 } 6853 ai = ri.activityInfo; 6854 comp = new ComponentName(ai.applicationInfo.packageName, 6855 ai.name); 6856 } else { 6857 ai = getActivityInfo(comp, flags, userId); 6858 if (ai == null) { 6859 continue; 6860 } 6861 } 6862 6863 // Look for any generic query activities that are duplicates 6864 // of this specific one, and remove them from the results. 6865 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6866 N = results.size(); 6867 int j; 6868 for (j=specificsPos; j<N; j++) { 6869 ResolveInfo sri = results.get(j); 6870 if ((sri.activityInfo.name.equals(comp.getClassName()) 6871 && sri.activityInfo.applicationInfo.packageName.equals( 6872 comp.getPackageName())) 6873 || (action != null && sri.filter.matchAction(action))) { 6874 results.remove(j); 6875 if (DEBUG_INTENT_MATCHING) Log.v( 6876 TAG, "Removing duplicate item from " + j 6877 + " due to specific " + specificsPos); 6878 if (ri == null) { 6879 ri = sri; 6880 } 6881 j--; 6882 N--; 6883 } 6884 } 6885 6886 // Add this specific item to its proper place. 6887 if (ri == null) { 6888 ri = new ResolveInfo(); 6889 ri.activityInfo = ai; 6890 } 6891 results.add(specificsPos, ri); 6892 ri.specificIndex = i; 6893 specificsPos++; 6894 } 6895 } 6896 6897 // Now we go through the remaining generic results and remove any 6898 // duplicate actions that are found here. 6899 N = results.size(); 6900 for (int i=specificsPos; i<N-1; i++) { 6901 final ResolveInfo rii = results.get(i); 6902 if (rii.filter == null) { 6903 continue; 6904 } 6905 6906 // Iterate over all of the actions of this result's intent 6907 // filter... typically this should be just one. 6908 final Iterator<String> it = rii.filter.actionsIterator(); 6909 if (it == null) { 6910 continue; 6911 } 6912 while (it.hasNext()) { 6913 final String action = it.next(); 6914 if (resultsAction != null && resultsAction.equals(action)) { 6915 // If this action was explicitly requested, then don't 6916 // remove things that have it. 6917 continue; 6918 } 6919 for (int j=i+1; j<N; j++) { 6920 final ResolveInfo rij = results.get(j); 6921 if (rij.filter != null && rij.filter.hasAction(action)) { 6922 results.remove(j); 6923 if (DEBUG_INTENT_MATCHING) Log.v( 6924 TAG, "Removing duplicate item from " + j 6925 + " due to action " + action + " at " + i); 6926 j--; 6927 N--; 6928 } 6929 } 6930 } 6931 6932 // If the caller didn't request filter information, drop it now 6933 // so we don't have to marshall/unmarshall it. 6934 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6935 rii.filter = null; 6936 } 6937 } 6938 6939 // Filter out the caller activity if so requested. 6940 if (caller != null) { 6941 N = results.size(); 6942 for (int i=0; i<N; i++) { 6943 ActivityInfo ainfo = results.get(i).activityInfo; 6944 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6945 && caller.getClassName().equals(ainfo.name)) { 6946 results.remove(i); 6947 break; 6948 } 6949 } 6950 } 6951 6952 // If the caller didn't request filter information, 6953 // drop them now so we don't have to 6954 // marshall/unmarshall it. 6955 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6956 N = results.size(); 6957 for (int i=0; i<N; i++) { 6958 results.get(i).filter = null; 6959 } 6960 } 6961 6962 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6963 return results; 6964 } 6965 6966 @Override 6967 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6968 String resolvedType, int flags, int userId) { 6969 return new ParceledListSlice<>( 6970 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6971 } 6972 6973 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6974 String resolvedType, int flags, int userId) { 6975 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6976 flags = updateFlagsForResolve(flags, userId, intent, false); 6977 ComponentName comp = intent.getComponent(); 6978 if (comp == null) { 6979 if (intent.getSelector() != null) { 6980 intent = intent.getSelector(); 6981 comp = intent.getComponent(); 6982 } 6983 } 6984 if (comp != null) { 6985 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6986 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6987 if (ai != null) { 6988 ResolveInfo ri = new ResolveInfo(); 6989 ri.activityInfo = ai; 6990 list.add(ri); 6991 } 6992 return list; 6993 } 6994 6995 // reader 6996 synchronized (mPackages) { 6997 String pkgName = intent.getPackage(); 6998 if (pkgName == null) { 6999 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 7000 } 7001 final PackageParser.Package pkg = mPackages.get(pkgName); 7002 if (pkg != null) { 7003 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 7004 userId); 7005 } 7006 return Collections.emptyList(); 7007 } 7008 } 7009 7010 @Override 7011 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 7012 if (!sUserManager.exists(userId)) return null; 7013 flags = updateFlagsForResolve(flags, userId, intent, false); 7014 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 7015 if (query != null) { 7016 if (query.size() >= 1) { 7017 // If there is more than one service with the same priority, 7018 // just arbitrarily pick the first one. 7019 return query.get(0); 7020 } 7021 } 7022 return null; 7023 } 7024 7025 @Override 7026 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 7027 String resolvedType, int flags, int userId) { 7028 return new ParceledListSlice<>( 7029 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 7030 } 7031 7032 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 7033 String resolvedType, int flags, int userId) { 7034 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7035 flags = updateFlagsForResolve(flags, userId, intent, false); 7036 ComponentName comp = intent.getComponent(); 7037 if (comp == null) { 7038 if (intent.getSelector() != null) { 7039 intent = intent.getSelector(); 7040 comp = intent.getComponent(); 7041 } 7042 } 7043 if (comp != null) { 7044 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7045 final ServiceInfo si = getServiceInfo(comp, flags, userId); 7046 if (si != null) { 7047 final ResolveInfo ri = new ResolveInfo(); 7048 ri.serviceInfo = si; 7049 list.add(ri); 7050 } 7051 return list; 7052 } 7053 7054 // reader 7055 synchronized (mPackages) { 7056 String pkgName = intent.getPackage(); 7057 if (pkgName == null) { 7058 return mServices.queryIntent(intent, resolvedType, flags, userId); 7059 } 7060 final PackageParser.Package pkg = mPackages.get(pkgName); 7061 if (pkg != null) { 7062 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 7063 userId); 7064 } 7065 return Collections.emptyList(); 7066 } 7067 } 7068 7069 @Override 7070 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 7071 String resolvedType, int flags, int userId) { 7072 return new ParceledListSlice<>( 7073 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 7074 } 7075 7076 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 7077 Intent intent, String resolvedType, int flags, int userId) { 7078 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7079 flags = updateFlagsForResolve(flags, userId, intent, false); 7080 ComponentName comp = intent.getComponent(); 7081 if (comp == null) { 7082 if (intent.getSelector() != null) { 7083 intent = intent.getSelector(); 7084 comp = intent.getComponent(); 7085 } 7086 } 7087 if (comp != null) { 7088 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7089 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 7090 if (pi != null) { 7091 final ResolveInfo ri = new ResolveInfo(); 7092 ri.providerInfo = pi; 7093 list.add(ri); 7094 } 7095 return list; 7096 } 7097 7098 // reader 7099 synchronized (mPackages) { 7100 String pkgName = intent.getPackage(); 7101 if (pkgName == null) { 7102 return mProviders.queryIntent(intent, resolvedType, flags, userId); 7103 } 7104 final PackageParser.Package pkg = mPackages.get(pkgName); 7105 if (pkg != null) { 7106 return mProviders.queryIntentForPackage( 7107 intent, resolvedType, flags, pkg.providers, userId); 7108 } 7109 return Collections.emptyList(); 7110 } 7111 } 7112 7113 @Override 7114 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 7115 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7116 flags = updateFlagsForPackage(flags, userId, null); 7117 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7118 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7119 true /* requireFullPermission */, false /* checkShell */, 7120 "get installed packages"); 7121 7122 // writer 7123 synchronized (mPackages) { 7124 ArrayList<PackageInfo> list; 7125 if (listUninstalled) { 7126 list = new ArrayList<>(mSettings.mPackages.size()); 7127 for (PackageSetting ps : mSettings.mPackages.values()) { 7128 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7129 continue; 7130 } 7131 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7132 if (pi != null) { 7133 list.add(pi); 7134 } 7135 } 7136 } else { 7137 list = new ArrayList<>(mPackages.size()); 7138 for (PackageParser.Package p : mPackages.values()) { 7139 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 7140 Binder.getCallingUid(), userId)) { 7141 continue; 7142 } 7143 final PackageInfo pi = generatePackageInfo((PackageSetting) 7144 p.mExtras, flags, userId); 7145 if (pi != null) { 7146 list.add(pi); 7147 } 7148 } 7149 } 7150 7151 return new ParceledListSlice<>(list); 7152 } 7153 } 7154 7155 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 7156 String[] permissions, boolean[] tmp, int flags, int userId) { 7157 int numMatch = 0; 7158 final PermissionsState permissionsState = ps.getPermissionsState(); 7159 for (int i=0; i<permissions.length; i++) { 7160 final String permission = permissions[i]; 7161 if (permissionsState.hasPermission(permission, userId)) { 7162 tmp[i] = true; 7163 numMatch++; 7164 } else { 7165 tmp[i] = false; 7166 } 7167 } 7168 if (numMatch == 0) { 7169 return; 7170 } 7171 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7172 7173 // The above might return null in cases of uninstalled apps or install-state 7174 // skew across users/profiles. 7175 if (pi != null) { 7176 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 7177 if (numMatch == permissions.length) { 7178 pi.requestedPermissions = permissions; 7179 } else { 7180 pi.requestedPermissions = new String[numMatch]; 7181 numMatch = 0; 7182 for (int i=0; i<permissions.length; i++) { 7183 if (tmp[i]) { 7184 pi.requestedPermissions[numMatch] = permissions[i]; 7185 numMatch++; 7186 } 7187 } 7188 } 7189 } 7190 list.add(pi); 7191 } 7192 } 7193 7194 @Override 7195 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 7196 String[] permissions, int flags, int userId) { 7197 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7198 flags = updateFlagsForPackage(flags, userId, permissions); 7199 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7200 true /* requireFullPermission */, false /* checkShell */, 7201 "get packages holding permissions"); 7202 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7203 7204 // writer 7205 synchronized (mPackages) { 7206 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 7207 boolean[] tmpBools = new boolean[permissions.length]; 7208 if (listUninstalled) { 7209 for (PackageSetting ps : mSettings.mPackages.values()) { 7210 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7211 userId); 7212 } 7213 } else { 7214 for (PackageParser.Package pkg : mPackages.values()) { 7215 PackageSetting ps = (PackageSetting)pkg.mExtras; 7216 if (ps != null) { 7217 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7218 userId); 7219 } 7220 } 7221 } 7222 7223 return new ParceledListSlice<PackageInfo>(list); 7224 } 7225 } 7226 7227 @Override 7228 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 7229 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7230 flags = updateFlagsForApplication(flags, userId, null); 7231 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7232 7233 // writer 7234 synchronized (mPackages) { 7235 ArrayList<ApplicationInfo> list; 7236 if (listUninstalled) { 7237 list = new ArrayList<>(mSettings.mPackages.size()); 7238 for (PackageSetting ps : mSettings.mPackages.values()) { 7239 ApplicationInfo ai; 7240 int effectiveFlags = flags; 7241 if (ps.isSystem()) { 7242 effectiveFlags |= PackageManager.MATCH_ANY_USER; 7243 } 7244 if (ps.pkg != null) { 7245 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7246 continue; 7247 } 7248 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 7249 ps.readUserState(userId), userId); 7250 if (ai != null) { 7251 rebaseEnabledOverlays(ai, userId); 7252 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 7253 } 7254 } else { 7255 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 7256 // and already converts to externally visible package name 7257 ai = generateApplicationInfoFromSettingsLPw(ps.name, 7258 Binder.getCallingUid(), effectiveFlags, userId); 7259 } 7260 if (ai != null) { 7261 list.add(ai); 7262 } 7263 } 7264 } else { 7265 list = new ArrayList<>(mPackages.size()); 7266 for (PackageParser.Package p : mPackages.values()) { 7267 if (p.mExtras != null) { 7268 PackageSetting ps = (PackageSetting) p.mExtras; 7269 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7270 continue; 7271 } 7272 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7273 ps.readUserState(userId), userId); 7274 if (ai != null) { 7275 rebaseEnabledOverlays(ai, userId); 7276 ai.packageName = resolveExternalPackageNameLPr(p); 7277 list.add(ai); 7278 } 7279 } 7280 } 7281 } 7282 7283 return new ParceledListSlice<>(list); 7284 } 7285 } 7286 7287 @Override 7288 public ParceledListSlice<InstantAppInfo> getInstantApps(int userId) { 7289 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7290 return null; 7291 } 7292 7293 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7294 "getEphemeralApplications"); 7295 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7296 true /* requireFullPermission */, false /* checkShell */, 7297 "getEphemeralApplications"); 7298 synchronized (mPackages) { 7299 List<InstantAppInfo> instantApps = mInstantAppRegistry 7300 .getInstantAppsLPr(userId); 7301 if (instantApps != null) { 7302 return new ParceledListSlice<>(instantApps); 7303 } 7304 } 7305 return null; 7306 } 7307 7308 @Override 7309 public boolean isInstantApp(String packageName, int userId) { 7310 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7311 true /* requireFullPermission */, false /* checkShell */, 7312 "isInstantApp"); 7313 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7314 return false; 7315 } 7316 7317 synchronized (mPackages) { 7318 final PackageSetting ps = mSettings.mPackages.get(packageName); 7319 final boolean returnAllowed = 7320 ps != null 7321 && (isCallerSameApp(packageName) 7322 || mContext.checkCallingOrSelfPermission( 7323 android.Manifest.permission.ACCESS_INSTANT_APPS) 7324 == PERMISSION_GRANTED 7325 || mInstantAppRegistry.isInstantAccessGranted( 7326 userId, UserHandle.getAppId(Binder.getCallingUid()), ps.appId)); 7327 if (returnAllowed) { 7328 return ps.getInstantApp(userId); 7329 } 7330 } 7331 return false; 7332 } 7333 7334 @Override 7335 public byte[] getInstantAppCookie(String packageName, int userId) { 7336 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7337 return null; 7338 } 7339 7340 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7341 true /* requireFullPermission */, false /* checkShell */, 7342 "getInstantAppCookie"); 7343 if (!isCallerSameApp(packageName)) { 7344 return null; 7345 } 7346 synchronized (mPackages) { 7347 return mInstantAppRegistry.getInstantAppCookieLPw( 7348 packageName, userId); 7349 } 7350 } 7351 7352 @Override 7353 public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) { 7354 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7355 return true; 7356 } 7357 7358 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7359 true /* requireFullPermission */, true /* checkShell */, 7360 "setInstantAppCookie"); 7361 if (!isCallerSameApp(packageName)) { 7362 return false; 7363 } 7364 synchronized (mPackages) { 7365 return mInstantAppRegistry.setInstantAppCookieLPw( 7366 packageName, cookie, userId); 7367 } 7368 } 7369 7370 @Override 7371 public Bitmap getInstantAppIcon(String packageName, int userId) { 7372 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7373 return null; 7374 } 7375 7376 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7377 "getInstantAppIcon"); 7378 7379 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7380 true /* requireFullPermission */, false /* checkShell */, 7381 "getInstantAppIcon"); 7382 7383 synchronized (mPackages) { 7384 return mInstantAppRegistry.getInstantAppIconLPw( 7385 packageName, userId); 7386 } 7387 } 7388 7389 private boolean isCallerSameApp(String packageName) { 7390 PackageParser.Package pkg = mPackages.get(packageName); 7391 return pkg != null 7392 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 7393 } 7394 7395 @Override 7396 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 7397 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 7398 } 7399 7400 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 7401 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 7402 7403 // reader 7404 synchronized (mPackages) { 7405 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 7406 final int userId = UserHandle.getCallingUserId(); 7407 while (i.hasNext()) { 7408 final PackageParser.Package p = i.next(); 7409 if (p.applicationInfo == null) continue; 7410 7411 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 7412 && !p.applicationInfo.isDirectBootAware(); 7413 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 7414 && p.applicationInfo.isDirectBootAware(); 7415 7416 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 7417 && (!mSafeMode || isSystemApp(p)) 7418 && (matchesUnaware || matchesAware)) { 7419 PackageSetting ps = mSettings.mPackages.get(p.packageName); 7420 if (ps != null) { 7421 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7422 ps.readUserState(userId), userId); 7423 if (ai != null) { 7424 rebaseEnabledOverlays(ai, userId); 7425 finalList.add(ai); 7426 } 7427 } 7428 } 7429 } 7430 } 7431 7432 return finalList; 7433 } 7434 7435 @Override 7436 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 7437 if (!sUserManager.exists(userId)) return null; 7438 flags = updateFlagsForComponent(flags, userId, name); 7439 // reader 7440 synchronized (mPackages) { 7441 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 7442 PackageSetting ps = provider != null 7443 ? mSettings.mPackages.get(provider.owner.packageName) 7444 : null; 7445 return ps != null 7446 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 7447 ? PackageParser.generateProviderInfo(provider, flags, 7448 ps.readUserState(userId), userId) 7449 : null; 7450 } 7451 } 7452 7453 /** 7454 * @deprecated 7455 */ 7456 @Deprecated 7457 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 7458 // reader 7459 synchronized (mPackages) { 7460 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 7461 .entrySet().iterator(); 7462 final int userId = UserHandle.getCallingUserId(); 7463 while (i.hasNext()) { 7464 Map.Entry<String, PackageParser.Provider> entry = i.next(); 7465 PackageParser.Provider p = entry.getValue(); 7466 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7467 7468 if (ps != null && p.syncable 7469 && (!mSafeMode || (p.info.applicationInfo.flags 7470 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 7471 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 7472 ps.readUserState(userId), userId); 7473 if (info != null) { 7474 outNames.add(entry.getKey()); 7475 outInfo.add(info); 7476 } 7477 } 7478 } 7479 } 7480 } 7481 7482 @Override 7483 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 7484 int uid, int flags, String metaDataKey) { 7485 final int userId = processName != null ? UserHandle.getUserId(uid) 7486 : UserHandle.getCallingUserId(); 7487 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7488 flags = updateFlagsForComponent(flags, userId, processName); 7489 7490 ArrayList<ProviderInfo> finalList = null; 7491 // reader 7492 synchronized (mPackages) { 7493 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 7494 while (i.hasNext()) { 7495 final PackageParser.Provider p = i.next(); 7496 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7497 if (ps != null && p.info.authority != null 7498 && (processName == null 7499 || (p.info.processName.equals(processName) 7500 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 7501 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 7502 7503 // See PM.queryContentProviders()'s javadoc for why we have the metaData 7504 // parameter. 7505 if (metaDataKey != null 7506 && (p.metaData == null || !p.metaData.containsKey(metaDataKey))) { 7507 continue; 7508 } 7509 7510 if (finalList == null) { 7511 finalList = new ArrayList<ProviderInfo>(3); 7512 } 7513 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 7514 ps.readUserState(userId), userId); 7515 if (info != null) { 7516 finalList.add(info); 7517 } 7518 } 7519 } 7520 } 7521 7522 if (finalList != null) { 7523 Collections.sort(finalList, mProviderInitOrderSorter); 7524 return new ParceledListSlice<ProviderInfo>(finalList); 7525 } 7526 7527 return ParceledListSlice.emptyList(); 7528 } 7529 7530 @Override 7531 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 7532 // reader 7533 synchronized (mPackages) { 7534 final PackageParser.Instrumentation i = mInstrumentation.get(name); 7535 return PackageParser.generateInstrumentationInfo(i, flags); 7536 } 7537 } 7538 7539 @Override 7540 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 7541 String targetPackage, int flags) { 7542 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 7543 } 7544 7545 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 7546 int flags) { 7547 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 7548 7549 // reader 7550 synchronized (mPackages) { 7551 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 7552 while (i.hasNext()) { 7553 final PackageParser.Instrumentation p = i.next(); 7554 if (targetPackage == null 7555 || targetPackage.equals(p.info.targetPackage)) { 7556 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 7557 flags); 7558 if (ii != null) { 7559 finalList.add(ii); 7560 } 7561 } 7562 } 7563 } 7564 7565 return finalList; 7566 } 7567 7568 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 7569 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 7570 try { 7571 scanDirLI(dir, parseFlags, scanFlags, currentTime); 7572 } finally { 7573 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7574 } 7575 } 7576 7577 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 7578 final File[] files = dir.listFiles(); 7579 if (ArrayUtils.isEmpty(files)) { 7580 Log.d(TAG, "No files in app dir " + dir); 7581 return; 7582 } 7583 7584 if (DEBUG_PACKAGE_SCANNING) { 7585 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 7586 + " flags=0x" + Integer.toHexString(parseFlags)); 7587 } 7588 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 7589 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir, mPackageParserCallback); 7590 7591 // Submit files for parsing in parallel 7592 int fileCount = 0; 7593 for (File file : files) { 7594 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 7595 && !PackageInstallerService.isStageName(file.getName()); 7596 if (!isPackage) { 7597 // Ignore entries which are not packages 7598 continue; 7599 } 7600 parallelPackageParser.submit(file, parseFlags); 7601 fileCount++; 7602 } 7603 7604 // Process results one by one 7605 for (; fileCount > 0; fileCount--) { 7606 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 7607 Throwable throwable = parseResult.throwable; 7608 int errorCode = PackageManager.INSTALL_SUCCEEDED; 7609 7610 if (throwable == null) { 7611 // Static shared libraries have synthetic package names 7612 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 7613 renameStaticSharedLibraryPackage(parseResult.pkg); 7614 } 7615 try { 7616 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 7617 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 7618 currentTime, null); 7619 } 7620 } catch (PackageManagerException e) { 7621 errorCode = e.error; 7622 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 7623 } 7624 } else if (throwable instanceof PackageParser.PackageParserException) { 7625 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 7626 throwable; 7627 errorCode = e.error; 7628 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 7629 } else { 7630 throw new IllegalStateException("Unexpected exception occurred while parsing " 7631 + parseResult.scanFile, throwable); 7632 } 7633 7634 // Delete invalid userdata apps 7635 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 7636 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 7637 logCriticalInfo(Log.WARN, 7638 "Deleting invalid package at " + parseResult.scanFile); 7639 removeCodePathLI(parseResult.scanFile); 7640 } 7641 } 7642 parallelPackageParser.close(); 7643 } 7644 7645 private static File getSettingsProblemFile() { 7646 File dataDir = Environment.getDataDirectory(); 7647 File systemDir = new File(dataDir, "system"); 7648 File fname = new File(systemDir, "uiderrors.txt"); 7649 return fname; 7650 } 7651 7652 static void reportSettingsProblem(int priority, String msg) { 7653 logCriticalInfo(priority, msg); 7654 } 7655 7656 public static void logCriticalInfo(int priority, String msg) { 7657 Slog.println(priority, TAG, msg); 7658 EventLogTags.writePmCriticalInfo(msg); 7659 try { 7660 File fname = getSettingsProblemFile(); 7661 FileOutputStream out = new FileOutputStream(fname, true); 7662 PrintWriter pw = new FastPrintWriter(out); 7663 SimpleDateFormat formatter = new SimpleDateFormat(); 7664 String dateString = formatter.format(new Date(System.currentTimeMillis())); 7665 pw.println(dateString + ": " + msg); 7666 pw.close(); 7667 FileUtils.setPermissions( 7668 fname.toString(), 7669 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 7670 -1, -1); 7671 } catch (java.io.IOException e) { 7672 } 7673 } 7674 7675 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 7676 if (srcFile.isDirectory()) { 7677 final File baseFile = new File(pkg.baseCodePath); 7678 long maxModifiedTime = baseFile.lastModified(); 7679 if (pkg.splitCodePaths != null) { 7680 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 7681 final File splitFile = new File(pkg.splitCodePaths[i]); 7682 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 7683 } 7684 } 7685 return maxModifiedTime; 7686 } 7687 return srcFile.lastModified(); 7688 } 7689 7690 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 7691 final int policyFlags) throws PackageManagerException { 7692 // When upgrading from pre-N MR1, verify the package time stamp using the package 7693 // directory and not the APK file. 7694 final long lastModifiedTime = mIsPreNMR1Upgrade 7695 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 7696 if (ps != null 7697 && ps.codePath.equals(srcFile) 7698 && ps.timeStamp == lastModifiedTime 7699 && !isCompatSignatureUpdateNeeded(pkg) 7700 && !isRecoverSignatureUpdateNeeded(pkg)) { 7701 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 7702 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7703 ArraySet<PublicKey> signingKs; 7704 synchronized (mPackages) { 7705 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 7706 } 7707 if (ps.signatures.mSignatures != null 7708 && ps.signatures.mSignatures.length != 0 7709 && signingKs != null) { 7710 // Optimization: reuse the existing cached certificates 7711 // if the package appears to be unchanged. 7712 pkg.mSignatures = ps.signatures.mSignatures; 7713 pkg.mSigningKeys = signingKs; 7714 return; 7715 } 7716 7717 Slog.w(TAG, "PackageSetting for " + ps.name 7718 + " is missing signatures. Collecting certs again to recover them."); 7719 } else { 7720 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 7721 } 7722 7723 try { 7724 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 7725 PackageParser.collectCertificates(pkg, policyFlags); 7726 } catch (PackageParserException e) { 7727 throw PackageManagerException.from(e); 7728 } finally { 7729 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7730 } 7731 } 7732 7733 /** 7734 * Traces a package scan. 7735 * @see #scanPackageLI(File, int, int, long, UserHandle) 7736 */ 7737 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 7738 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7739 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 7740 try { 7741 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 7742 } finally { 7743 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7744 } 7745 } 7746 7747 /** 7748 * Scans a package and returns the newly parsed package. 7749 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 7750 */ 7751 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 7752 long currentTime, UserHandle user) throws PackageManagerException { 7753 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 7754 PackageParser pp = new PackageParser(); 7755 pp.setSeparateProcesses(mSeparateProcesses); 7756 pp.setOnlyCoreApps(mOnlyCore); 7757 pp.setDisplayMetrics(mMetrics); 7758 pp.setCallback(mPackageParserCallback); 7759 7760 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 7761 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 7762 } 7763 7764 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 7765 final PackageParser.Package pkg; 7766 try { 7767 pkg = pp.parsePackage(scanFile, parseFlags); 7768 } catch (PackageParserException e) { 7769 throw PackageManagerException.from(e); 7770 } finally { 7771 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7772 } 7773 7774 // Static shared libraries have synthetic package names 7775 if (pkg.applicationInfo.isStaticSharedLibrary()) { 7776 renameStaticSharedLibraryPackage(pkg); 7777 } 7778 7779 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 7780 } 7781 7782 /** 7783 * Scans a package and returns the newly parsed package. 7784 * @throws PackageManagerException on a parse error. 7785 */ 7786 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 7787 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 7788 throws PackageManagerException { 7789 // If the package has children and this is the first dive in the function 7790 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 7791 // packages (parent and children) would be successfully scanned before the 7792 // actual scan since scanning mutates internal state and we want to atomically 7793 // install the package and its children. 7794 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7795 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7796 scanFlags |= SCAN_CHECK_ONLY; 7797 } 7798 } else { 7799 scanFlags &= ~SCAN_CHECK_ONLY; 7800 } 7801 7802 // Scan the parent 7803 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 7804 scanFlags, currentTime, user); 7805 7806 // Scan the children 7807 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7808 for (int i = 0; i < childCount; i++) { 7809 PackageParser.Package childPackage = pkg.childPackages.get(i); 7810 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 7811 currentTime, user); 7812 } 7813 7814 7815 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7816 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 7817 } 7818 7819 return scannedPkg; 7820 } 7821 7822 /** 7823 * Scans a package and returns the newly parsed package. 7824 * @throws PackageManagerException on a parse error. 7825 */ 7826 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 7827 int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 7828 throws PackageManagerException { 7829 PackageSetting ps = null; 7830 PackageSetting updatedPkg; 7831 // reader 7832 synchronized (mPackages) { 7833 // Look to see if we already know about this package. 7834 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 7835 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 7836 // This package has been renamed to its original name. Let's 7837 // use that. 7838 ps = mSettings.getPackageLPr(oldName); 7839 } 7840 // If there was no original package, see one for the real package name. 7841 if (ps == null) { 7842 ps = mSettings.getPackageLPr(pkg.packageName); 7843 } 7844 // Check to see if this package could be hiding/updating a system 7845 // package. Must look for it either under the original or real 7846 // package name depending on our state. 7847 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 7848 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 7849 7850 // If this is a package we don't know about on the system partition, we 7851 // may need to remove disabled child packages on the system partition 7852 // or may need to not add child packages if the parent apk is updated 7853 // on the data partition and no longer defines this child package. 7854 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7855 // If this is a parent package for an updated system app and this system 7856 // app got an OTA update which no longer defines some of the child packages 7857 // we have to prune them from the disabled system packages. 7858 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 7859 if (disabledPs != null) { 7860 final int scannedChildCount = (pkg.childPackages != null) 7861 ? pkg.childPackages.size() : 0; 7862 final int disabledChildCount = disabledPs.childPackageNames != null 7863 ? disabledPs.childPackageNames.size() : 0; 7864 for (int i = 0; i < disabledChildCount; i++) { 7865 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 7866 boolean disabledPackageAvailable = false; 7867 for (int j = 0; j < scannedChildCount; j++) { 7868 PackageParser.Package childPkg = pkg.childPackages.get(j); 7869 if (childPkg.packageName.equals(disabledChildPackageName)) { 7870 disabledPackageAvailable = true; 7871 break; 7872 } 7873 } 7874 if (!disabledPackageAvailable) { 7875 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 7876 } 7877 } 7878 } 7879 } 7880 } 7881 7882 boolean updatedPkgBetter = false; 7883 // First check if this is a system package that may involve an update 7884 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7885 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7886 // it needs to drop FLAG_PRIVILEGED. 7887 if (locationIsPrivileged(scanFile)) { 7888 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7889 } else { 7890 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7891 } 7892 7893 if (ps != null && !ps.codePath.equals(scanFile)) { 7894 // The path has changed from what was last scanned... check the 7895 // version of the new path against what we have stored to determine 7896 // what to do. 7897 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7898 if (pkg.mVersionCode <= ps.versionCode) { 7899 // The system package has been updated and the code path does not match 7900 // Ignore entry. Skip it. 7901 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7902 + " ignored: updated version " + ps.versionCode 7903 + " better than this " + pkg.mVersionCode); 7904 if (!updatedPkg.codePath.equals(scanFile)) { 7905 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7906 + ps.name + " changing from " + updatedPkg.codePathString 7907 + " to " + scanFile); 7908 updatedPkg.codePath = scanFile; 7909 updatedPkg.codePathString = scanFile.toString(); 7910 updatedPkg.resourcePath = scanFile; 7911 updatedPkg.resourcePathString = scanFile.toString(); 7912 } 7913 updatedPkg.pkg = pkg; 7914 updatedPkg.versionCode = pkg.mVersionCode; 7915 7916 // Update the disabled system child packages to point to the package too. 7917 final int childCount = updatedPkg.childPackageNames != null 7918 ? updatedPkg.childPackageNames.size() : 0; 7919 for (int i = 0; i < childCount; i++) { 7920 String childPackageName = updatedPkg.childPackageNames.get(i); 7921 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7922 childPackageName); 7923 if (updatedChildPkg != null) { 7924 updatedChildPkg.pkg = pkg; 7925 updatedChildPkg.versionCode = pkg.mVersionCode; 7926 } 7927 } 7928 7929 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7930 + scanFile + " ignored: updated version " + ps.versionCode 7931 + " better than this " + pkg.mVersionCode); 7932 } else { 7933 // The current app on the system partition is better than 7934 // what we have updated to on the data partition; switch 7935 // back to the system partition version. 7936 // At this point, its safely assumed that package installation for 7937 // apps in system partition will go through. If not there won't be a working 7938 // version of the app 7939 // writer 7940 synchronized (mPackages) { 7941 // Just remove the loaded entries from package lists. 7942 mPackages.remove(ps.name); 7943 } 7944 7945 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7946 + " reverting from " + ps.codePathString 7947 + ": new version " + pkg.mVersionCode 7948 + " better than installed " + ps.versionCode); 7949 7950 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7951 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7952 synchronized (mInstallLock) { 7953 args.cleanUpResourcesLI(); 7954 } 7955 synchronized (mPackages) { 7956 mSettings.enableSystemPackageLPw(ps.name); 7957 } 7958 updatedPkgBetter = true; 7959 } 7960 } 7961 } 7962 7963 if (updatedPkg != null) { 7964 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7965 // initially 7966 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7967 7968 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7969 // flag set initially 7970 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7971 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7972 } 7973 } 7974 7975 // Verify certificates against what was last scanned 7976 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7977 7978 /* 7979 * A new system app appeared, but we already had a non-system one of the 7980 * same name installed earlier. 7981 */ 7982 boolean shouldHideSystemApp = false; 7983 if (updatedPkg == null && ps != null 7984 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7985 /* 7986 * Check to make sure the signatures match first. If they don't, 7987 * wipe the installed application and its data. 7988 */ 7989 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7990 != PackageManager.SIGNATURE_MATCH) { 7991 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7992 + " signatures don't match existing userdata copy; removing"); 7993 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7994 "scanPackageInternalLI")) { 7995 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7996 } 7997 ps = null; 7998 } else { 7999 /* 8000 * If the newly-added system app is an older version than the 8001 * already installed version, hide it. It will be scanned later 8002 * and re-added like an update. 8003 */ 8004 if (pkg.mVersionCode <= ps.versionCode) { 8005 shouldHideSystemApp = true; 8006 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 8007 + " but new version " + pkg.mVersionCode + " better than installed " 8008 + ps.versionCode + "; hiding system"); 8009 } else { 8010 /* 8011 * The newly found system app is a newer version that the 8012 * one previously installed. Simply remove the 8013 * already-installed application and replace it with our own 8014 * while keeping the application data. 8015 */ 8016 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 8017 + " reverting from " + ps.codePathString + ": new version " 8018 + pkg.mVersionCode + " better than installed " + ps.versionCode); 8019 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 8020 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 8021 synchronized (mInstallLock) { 8022 args.cleanUpResourcesLI(); 8023 } 8024 } 8025 } 8026 } 8027 8028 // The apk is forward locked (not public) if its code and resources 8029 // are kept in different files. (except for app in either system or 8030 // vendor path). 8031 // TODO grab this value from PackageSettings 8032 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8033 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 8034 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 8035 } 8036 } 8037 8038 // TODO: extend to support forward-locked splits 8039 String resourcePath = null; 8040 String baseResourcePath = null; 8041 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 8042 if (ps != null && ps.resourcePathString != null) { 8043 resourcePath = ps.resourcePathString; 8044 baseResourcePath = ps.resourcePathString; 8045 } else { 8046 // Should not happen at all. Just log an error. 8047 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 8048 } 8049 } else { 8050 resourcePath = pkg.codePath; 8051 baseResourcePath = pkg.baseCodePath; 8052 } 8053 8054 // Set application objects path explicitly. 8055 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 8056 pkg.setApplicationInfoCodePath(pkg.codePath); 8057 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 8058 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 8059 pkg.setApplicationInfoResourcePath(resourcePath); 8060 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 8061 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 8062 8063 final int userId = ((user == null) ? 0 : user.getIdentifier()); 8064 if (ps != null && ps.getInstantApp(userId)) { 8065 scanFlags |= SCAN_AS_INSTANT_APP; 8066 } 8067 8068 // Note that we invoke the following method only if we are about to unpack an application 8069 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 8070 | SCAN_UPDATE_SIGNATURE, currentTime, user); 8071 8072 /* 8073 * If the system app should be overridden by a previously installed 8074 * data, hide the system app now and let the /data/app scan pick it up 8075 * again. 8076 */ 8077 if (shouldHideSystemApp) { 8078 synchronized (mPackages) { 8079 mSettings.disableSystemPackageLPw(pkg.packageName, true); 8080 } 8081 } 8082 8083 return scannedPkg; 8084 } 8085 8086 private void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 8087 // Derive the new package synthetic package name 8088 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 8089 + pkg.staticSharedLibVersion); 8090 } 8091 8092 private static String fixProcessName(String defProcessName, 8093 String processName) { 8094 if (processName == null) { 8095 return defProcessName; 8096 } 8097 return processName; 8098 } 8099 8100 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 8101 throws PackageManagerException { 8102 if (pkgSetting.signatures.mSignatures != null) { 8103 // Already existing package. Make sure signatures match 8104 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 8105 == PackageManager.SIGNATURE_MATCH; 8106 if (!match) { 8107 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 8108 == PackageManager.SIGNATURE_MATCH; 8109 } 8110 if (!match) { 8111 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 8112 == PackageManager.SIGNATURE_MATCH; 8113 } 8114 if (!match) { 8115 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 8116 + pkg.packageName + " signatures do not match the " 8117 + "previously installed version; ignoring!"); 8118 } 8119 } 8120 8121 // Check for shared user signatures 8122 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 8123 // Already existing package. Make sure signatures match 8124 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8125 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 8126 if (!match) { 8127 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 8128 == PackageManager.SIGNATURE_MATCH; 8129 } 8130 if (!match) { 8131 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 8132 == PackageManager.SIGNATURE_MATCH; 8133 } 8134 if (!match) { 8135 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 8136 "Package " + pkg.packageName 8137 + " has no signatures that match those in shared user " 8138 + pkgSetting.sharedUser.name + "; ignoring!"); 8139 } 8140 } 8141 } 8142 8143 /** 8144 * Enforces that only the system UID or root's UID can call a method exposed 8145 * via Binder. 8146 * 8147 * @param message used as message if SecurityException is thrown 8148 * @throws SecurityException if the caller is not system or root 8149 */ 8150 private static final void enforceSystemOrRoot(String message) { 8151 final int uid = Binder.getCallingUid(); 8152 if (uid != Process.SYSTEM_UID && uid != 0) { 8153 throw new SecurityException(message); 8154 } 8155 } 8156 8157 @Override 8158 public void performFstrimIfNeeded() { 8159 enforceSystemOrRoot("Only the system can request fstrim"); 8160 8161 // Before everything else, see whether we need to fstrim. 8162 try { 8163 IStorageManager sm = PackageHelper.getStorageManager(); 8164 if (sm != null) { 8165 boolean doTrim = false; 8166 final long interval = android.provider.Settings.Global.getLong( 8167 mContext.getContentResolver(), 8168 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 8169 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 8170 if (interval > 0) { 8171 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 8172 if (timeSinceLast > interval) { 8173 doTrim = true; 8174 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 8175 + "; running immediately"); 8176 } 8177 } 8178 if (doTrim) { 8179 final boolean dexOptDialogShown; 8180 synchronized (mPackages) { 8181 dexOptDialogShown = mDexOptDialogShown; 8182 } 8183 if (!isFirstBoot() && dexOptDialogShown) { 8184 try { 8185 ActivityManager.getService().showBootMessage( 8186 mContext.getResources().getString( 8187 R.string.android_upgrading_fstrim), true); 8188 } catch (RemoteException e) { 8189 } 8190 } 8191 sm.runMaintenance(); 8192 } 8193 } else { 8194 Slog.e(TAG, "storageManager service unavailable!"); 8195 } 8196 } catch (RemoteException e) { 8197 // Can't happen; StorageManagerService is local 8198 } 8199 } 8200 8201 @Override 8202 public void updatePackagesIfNeeded() { 8203 enforceSystemOrRoot("Only the system can request package update"); 8204 8205 // We need to re-extract after an OTA. 8206 boolean causeUpgrade = isUpgrade(); 8207 8208 // First boot or factory reset. 8209 // Note: we also handle devices that are upgrading to N right now as if it is their 8210 // first boot, as they do not have profile data. 8211 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 8212 8213 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 8214 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 8215 8216 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 8217 return; 8218 } 8219 8220 List<PackageParser.Package> pkgs; 8221 synchronized (mPackages) { 8222 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 8223 } 8224 8225 final long startTime = System.nanoTime(); 8226 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 8227 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 8228 8229 final int elapsedTimeSeconds = 8230 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 8231 8232 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 8233 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 8234 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 8235 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 8236 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 8237 } 8238 8239 /** 8240 * Performs dexopt on the set of packages in {@code packages} and returns an int array 8241 * containing statistics about the invocation. The array consists of three elements, 8242 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 8243 * and {@code numberOfPackagesFailed}. 8244 */ 8245 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 8246 String compilerFilter) { 8247 8248 int numberOfPackagesVisited = 0; 8249 int numberOfPackagesOptimized = 0; 8250 int numberOfPackagesSkipped = 0; 8251 int numberOfPackagesFailed = 0; 8252 final int numberOfPackagesToDexopt = pkgs.size(); 8253 8254 for (PackageParser.Package pkg : pkgs) { 8255 numberOfPackagesVisited++; 8256 8257 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 8258 if (DEBUG_DEXOPT) { 8259 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 8260 } 8261 numberOfPackagesSkipped++; 8262 continue; 8263 } 8264 8265 if (DEBUG_DEXOPT) { 8266 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 8267 numberOfPackagesToDexopt + ": " + pkg.packageName); 8268 } 8269 8270 if (showDialog) { 8271 try { 8272 ActivityManager.getService().showBootMessage( 8273 mContext.getResources().getString(R.string.android_upgrading_apk, 8274 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 8275 } catch (RemoteException e) { 8276 } 8277 synchronized (mPackages) { 8278 mDexOptDialogShown = true; 8279 } 8280 } 8281 8282 // If the OTA updates a system app which was previously preopted to a non-preopted state 8283 // the app might end up being verified at runtime. That's because by default the apps 8284 // are verify-profile but for preopted apps there's no profile. 8285 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 8286 // that before the OTA the app was preopted) the app gets compiled with a non-profile 8287 // filter (by default interpret-only). 8288 // Note that at this stage unused apps are already filtered. 8289 if (isSystemApp(pkg) && 8290 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 8291 !Environment.getReferenceProfile(pkg.packageName).exists()) { 8292 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 8293 } 8294 8295 // checkProfiles is false to avoid merging profiles during boot which 8296 // might interfere with background compilation (b/28612421). 8297 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 8298 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 8299 // trade-off worth doing to save boot time work. 8300 int dexOptStatus = performDexOptTraced(pkg.packageName, 8301 false /* checkProfiles */, 8302 compilerFilter, 8303 false /* force */); 8304 switch (dexOptStatus) { 8305 case PackageDexOptimizer.DEX_OPT_PERFORMED: 8306 numberOfPackagesOptimized++; 8307 break; 8308 case PackageDexOptimizer.DEX_OPT_SKIPPED: 8309 numberOfPackagesSkipped++; 8310 break; 8311 case PackageDexOptimizer.DEX_OPT_FAILED: 8312 numberOfPackagesFailed++; 8313 break; 8314 default: 8315 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 8316 break; 8317 } 8318 } 8319 8320 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 8321 numberOfPackagesFailed }; 8322 } 8323 8324 @Override 8325 public void notifyPackageUse(String packageName, int reason) { 8326 synchronized (mPackages) { 8327 PackageParser.Package p = mPackages.get(packageName); 8328 if (p == null) { 8329 return; 8330 } 8331 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 8332 } 8333 } 8334 8335 @Override 8336 public void notifyDexLoad(String loadingPackageName, List<String> dexPaths, String loaderIsa) { 8337 int userId = UserHandle.getCallingUserId(); 8338 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 8339 if (ai == null) { 8340 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 8341 + loadingPackageName + ", user=" + userId); 8342 return; 8343 } 8344 mDexManager.notifyDexLoad(ai, dexPaths, loaderIsa, userId); 8345 } 8346 8347 // TODO: this is not used nor needed. Delete it. 8348 @Override 8349 public boolean performDexOptIfNeeded(String packageName) { 8350 int dexOptStatus = performDexOptTraced(packageName, 8351 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 8352 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8353 } 8354 8355 @Override 8356 public boolean performDexOpt(String packageName, 8357 boolean checkProfiles, int compileReason, boolean force) { 8358 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8359 getCompilerFilterForReason(compileReason), force); 8360 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8361 } 8362 8363 @Override 8364 public boolean performDexOptMode(String packageName, 8365 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8366 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8367 targetCompilerFilter, force); 8368 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8369 } 8370 8371 private int performDexOptTraced(String packageName, 8372 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8373 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8374 try { 8375 return performDexOptInternal(packageName, checkProfiles, 8376 targetCompilerFilter, force); 8377 } finally { 8378 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8379 } 8380 } 8381 8382 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 8383 // if the package can now be considered up to date for the given filter. 8384 private int performDexOptInternal(String packageName, 8385 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8386 PackageParser.Package p; 8387 synchronized (mPackages) { 8388 p = mPackages.get(packageName); 8389 if (p == null) { 8390 // Package could not be found. Report failure. 8391 return PackageDexOptimizer.DEX_OPT_FAILED; 8392 } 8393 mPackageUsage.maybeWriteAsync(mPackages); 8394 mCompilerStats.maybeWriteAsync(); 8395 } 8396 long callingId = Binder.clearCallingIdentity(); 8397 try { 8398 synchronized (mInstallLock) { 8399 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 8400 targetCompilerFilter, force); 8401 } 8402 } finally { 8403 Binder.restoreCallingIdentity(callingId); 8404 } 8405 } 8406 8407 public ArraySet<String> getOptimizablePackages() { 8408 ArraySet<String> pkgs = new ArraySet<String>(); 8409 synchronized (mPackages) { 8410 for (PackageParser.Package p : mPackages.values()) { 8411 if (PackageDexOptimizer.canOptimizePackage(p)) { 8412 pkgs.add(p.packageName); 8413 } 8414 } 8415 } 8416 return pkgs; 8417 } 8418 8419 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 8420 boolean checkProfiles, String targetCompilerFilter, 8421 boolean force) { 8422 // Select the dex optimizer based on the force parameter. 8423 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 8424 // allocate an object here. 8425 PackageDexOptimizer pdo = force 8426 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 8427 : mPackageDexOptimizer; 8428 8429 // Optimize all dependencies first. Note: we ignore the return value and march on 8430 // on errors. 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 // Currently this will do a full compilation of the library by default. 8437 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 8438 false /* checkProfiles */, 8439 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 8440 getOrCreateCompilerPackageStats(depPackage), 8441 mDexManager.isUsedByOtherApps(p.packageName)); 8442 } 8443 } 8444 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 8445 targetCompilerFilter, getOrCreateCompilerPackageStats(p), 8446 mDexManager.isUsedByOtherApps(p.packageName)); 8447 } 8448 8449 // Performs dexopt on the used secondary dex files belonging to the given package. 8450 // Returns true if all dex files were process successfully (which could mean either dexopt or 8451 // skip). Returns false if any of the files caused errors. 8452 @Override 8453 public boolean performDexOptSecondary(String packageName, String compilerFilter, 8454 boolean force) { 8455 return mDexManager.dexoptSecondaryDex(packageName, compilerFilter, force); 8456 } 8457 8458 /** 8459 * Reconcile the information we have about the secondary dex files belonging to 8460 * {@code packagName} and the actual dex files. For all dex files that were 8461 * deleted, update the internal records and delete the generated oat files. 8462 */ 8463 @Override 8464 public void reconcileSecondaryDexFiles(String packageName) { 8465 mDexManager.reconcileSecondaryDexFiles(packageName); 8466 } 8467 8468 // TODO(calin): this is only needed for BackgroundDexOptService. Find a cleaner way to inject 8469 // a reference there. 8470 /*package*/ DexManager getDexManager() { 8471 return mDexManager; 8472 } 8473 8474 /** 8475 * Execute the background dexopt job immediately. 8476 */ 8477 @Override 8478 public boolean runBackgroundDexoptJob() { 8479 return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext); 8480 } 8481 8482 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 8483 if (p.usesLibraries != null || p.usesOptionalLibraries != null 8484 || p.usesStaticLibraries != null) { 8485 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 8486 Set<String> collectedNames = new HashSet<>(); 8487 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 8488 8489 retValue.remove(p); 8490 8491 return retValue; 8492 } else { 8493 return Collections.emptyList(); 8494 } 8495 } 8496 8497 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 8498 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8499 if (!collectedNames.contains(p.packageName)) { 8500 collectedNames.add(p.packageName); 8501 collected.add(p); 8502 8503 if (p.usesLibraries != null) { 8504 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 8505 null, collected, collectedNames); 8506 } 8507 if (p.usesOptionalLibraries != null) { 8508 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 8509 null, collected, collectedNames); 8510 } 8511 if (p.usesStaticLibraries != null) { 8512 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 8513 p.usesStaticLibrariesVersions, collected, collectedNames); 8514 } 8515 } 8516 } 8517 8518 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, int[] versions, 8519 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8520 final int libNameCount = libs.size(); 8521 for (int i = 0; i < libNameCount; i++) { 8522 String libName = libs.get(i); 8523 int version = (versions != null && versions.length == libNameCount) 8524 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 8525 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 8526 if (libPkg != null) { 8527 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 8528 } 8529 } 8530 } 8531 8532 private PackageParser.Package findSharedNonSystemLibrary(String name, int version) { 8533 synchronized (mPackages) { 8534 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 8535 if (libEntry != null) { 8536 return mPackages.get(libEntry.apk); 8537 } 8538 return null; 8539 } 8540 } 8541 8542 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, int version) { 8543 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 8544 if (versionedLib == null) { 8545 return null; 8546 } 8547 return versionedLib.get(version); 8548 } 8549 8550 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 8551 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 8552 pkg.staticSharedLibName); 8553 if (versionedLib == null) { 8554 return null; 8555 } 8556 int previousLibVersion = -1; 8557 final int versionCount = versionedLib.size(); 8558 for (int i = 0; i < versionCount; i++) { 8559 final int libVersion = versionedLib.keyAt(i); 8560 if (libVersion < pkg.staticSharedLibVersion) { 8561 previousLibVersion = Math.max(previousLibVersion, libVersion); 8562 } 8563 } 8564 if (previousLibVersion >= 0) { 8565 return versionedLib.get(previousLibVersion); 8566 } 8567 return null; 8568 } 8569 8570 public void shutdown() { 8571 mPackageUsage.writeNow(mPackages); 8572 mCompilerStats.writeNow(); 8573 } 8574 8575 @Override 8576 public void dumpProfiles(String packageName) { 8577 PackageParser.Package pkg; 8578 synchronized (mPackages) { 8579 pkg = mPackages.get(packageName); 8580 if (pkg == null) { 8581 throw new IllegalArgumentException("Unknown package: " + packageName); 8582 } 8583 } 8584 /* Only the shell, root, or the app user should be able to dump profiles. */ 8585 int callingUid = Binder.getCallingUid(); 8586 if (callingUid != Process.SHELL_UID && 8587 callingUid != Process.ROOT_UID && 8588 callingUid != pkg.applicationInfo.uid) { 8589 throw new SecurityException("dumpProfiles"); 8590 } 8591 8592 synchronized (mInstallLock) { 8593 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 8594 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 8595 try { 8596 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 8597 String codePaths = TextUtils.join(";", allCodePaths); 8598 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 8599 } catch (InstallerException e) { 8600 Slog.w(TAG, "Failed to dump profiles", e); 8601 } 8602 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8603 } 8604 } 8605 8606 @Override 8607 public void forceDexOpt(String packageName) { 8608 enforceSystemOrRoot("forceDexOpt"); 8609 8610 PackageParser.Package pkg; 8611 synchronized (mPackages) { 8612 pkg = mPackages.get(packageName); 8613 if (pkg == null) { 8614 throw new IllegalArgumentException("Unknown package: " + packageName); 8615 } 8616 } 8617 8618 synchronized (mInstallLock) { 8619 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8620 8621 // Whoever is calling forceDexOpt wants a fully compiled package. 8622 // Don't use profiles since that may cause compilation to be skipped. 8623 final int res = performDexOptInternalWithDependenciesLI(pkg, 8624 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 8625 true /* force */); 8626 8627 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8628 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 8629 throw new IllegalStateException("Failed to dexopt: " + res); 8630 } 8631 } 8632 } 8633 8634 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 8635 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 8636 Slog.w(TAG, "Unable to update from " + oldPkg.name 8637 + " to " + newPkg.packageName 8638 + ": old package not in system partition"); 8639 return false; 8640 } else if (mPackages.get(oldPkg.name) != null) { 8641 Slog.w(TAG, "Unable to update from " + oldPkg.name 8642 + " to " + newPkg.packageName 8643 + ": old package still exists"); 8644 return false; 8645 } 8646 return true; 8647 } 8648 8649 void removeCodePathLI(File codePath) { 8650 if (codePath.isDirectory()) { 8651 try { 8652 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 8653 } catch (InstallerException e) { 8654 Slog.w(TAG, "Failed to remove code path", e); 8655 } 8656 } else { 8657 codePath.delete(); 8658 } 8659 } 8660 8661 private int[] resolveUserIds(int userId) { 8662 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 8663 } 8664 8665 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8666 if (pkg == null) { 8667 Slog.wtf(TAG, "Package was null!", new Throwable()); 8668 return; 8669 } 8670 clearAppDataLeafLIF(pkg, userId, flags); 8671 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8672 for (int i = 0; i < childCount; i++) { 8673 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8674 } 8675 } 8676 8677 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8678 final PackageSetting ps; 8679 synchronized (mPackages) { 8680 ps = mSettings.mPackages.get(pkg.packageName); 8681 } 8682 for (int realUserId : resolveUserIds(userId)) { 8683 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8684 try { 8685 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8686 ceDataInode); 8687 } catch (InstallerException e) { 8688 Slog.w(TAG, String.valueOf(e)); 8689 } 8690 } 8691 } 8692 8693 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8694 if (pkg == null) { 8695 Slog.wtf(TAG, "Package was null!", new Throwable()); 8696 return; 8697 } 8698 destroyAppDataLeafLIF(pkg, userId, flags); 8699 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8700 for (int i = 0; i < childCount; i++) { 8701 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8702 } 8703 } 8704 8705 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8706 final PackageSetting ps; 8707 synchronized (mPackages) { 8708 ps = mSettings.mPackages.get(pkg.packageName); 8709 } 8710 for (int realUserId : resolveUserIds(userId)) { 8711 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8712 try { 8713 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8714 ceDataInode); 8715 } catch (InstallerException e) { 8716 Slog.w(TAG, String.valueOf(e)); 8717 } 8718 mDexManager.notifyPackageDataDestroyed(pkg.packageName, userId); 8719 } 8720 } 8721 8722 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 8723 if (pkg == null) { 8724 Slog.wtf(TAG, "Package was null!", new Throwable()); 8725 return; 8726 } 8727 destroyAppProfilesLeafLIF(pkg); 8728 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8729 for (int i = 0; i < childCount; i++) { 8730 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 8731 } 8732 } 8733 8734 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 8735 try { 8736 mInstaller.destroyAppProfiles(pkg.packageName); 8737 } catch (InstallerException e) { 8738 Slog.w(TAG, String.valueOf(e)); 8739 } 8740 } 8741 8742 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 8743 if (pkg == null) { 8744 Slog.wtf(TAG, "Package was null!", new Throwable()); 8745 return; 8746 } 8747 clearAppProfilesLeafLIF(pkg); 8748 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8749 for (int i = 0; i < childCount; i++) { 8750 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 8751 } 8752 } 8753 8754 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 8755 try { 8756 mInstaller.clearAppProfiles(pkg.packageName); 8757 } catch (InstallerException e) { 8758 Slog.w(TAG, String.valueOf(e)); 8759 } 8760 } 8761 8762 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 8763 long lastUpdateTime) { 8764 // Set parent install/update time 8765 PackageSetting ps = (PackageSetting) pkg.mExtras; 8766 if (ps != null) { 8767 ps.firstInstallTime = firstInstallTime; 8768 ps.lastUpdateTime = lastUpdateTime; 8769 } 8770 // Set children install/update time 8771 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8772 for (int i = 0; i < childCount; i++) { 8773 PackageParser.Package childPkg = pkg.childPackages.get(i); 8774 ps = (PackageSetting) childPkg.mExtras; 8775 if (ps != null) { 8776 ps.firstInstallTime = firstInstallTime; 8777 ps.lastUpdateTime = lastUpdateTime; 8778 } 8779 } 8780 } 8781 8782 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 8783 PackageParser.Package changingLib) { 8784 if (file.path != null) { 8785 usesLibraryFiles.add(file.path); 8786 return; 8787 } 8788 PackageParser.Package p = mPackages.get(file.apk); 8789 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 8790 // If we are doing this while in the middle of updating a library apk, 8791 // then we need to make sure to use that new apk for determining the 8792 // dependencies here. (We haven't yet finished committing the new apk 8793 // to the package manager state.) 8794 if (p == null || p.packageName.equals(changingLib.packageName)) { 8795 p = changingLib; 8796 } 8797 } 8798 if (p != null) { 8799 usesLibraryFiles.addAll(p.getAllCodePaths()); 8800 } 8801 } 8802 8803 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 8804 PackageParser.Package changingLib) throws PackageManagerException { 8805 if (pkg == null) { 8806 return; 8807 } 8808 ArraySet<String> usesLibraryFiles = null; 8809 if (pkg.usesLibraries != null) { 8810 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 8811 null, null, pkg.packageName, changingLib, true, null); 8812 } 8813 if (pkg.usesStaticLibraries != null) { 8814 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 8815 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 8816 pkg.packageName, changingLib, true, usesLibraryFiles); 8817 } 8818 if (pkg.usesOptionalLibraries != null) { 8819 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 8820 null, null, pkg.packageName, changingLib, false, usesLibraryFiles); 8821 } 8822 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 8823 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 8824 } else { 8825 pkg.usesLibraryFiles = null; 8826 } 8827 } 8828 8829 private ArraySet<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 8830 @Nullable int[] requiredVersions, @Nullable String[] requiredCertDigests, 8831 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 8832 boolean required, @Nullable ArraySet<String> outUsedLibraries) 8833 throws PackageManagerException { 8834 final int libCount = requestedLibraries.size(); 8835 for (int i = 0; i < libCount; i++) { 8836 final String libName = requestedLibraries.get(i); 8837 final int libVersion = requiredVersions != null ? requiredVersions[i] 8838 : SharedLibraryInfo.VERSION_UNDEFINED; 8839 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 8840 if (libEntry == null) { 8841 if (required) { 8842 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8843 "Package " + packageName + " requires unavailable shared library " 8844 + libName + "; failing!"); 8845 } else { 8846 Slog.w(TAG, "Package " + packageName 8847 + " desires unavailable shared library " 8848 + libName + "; ignoring!"); 8849 } 8850 } else { 8851 if (requiredVersions != null && requiredCertDigests != null) { 8852 if (libEntry.info.getVersion() != requiredVersions[i]) { 8853 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8854 "Package " + packageName + " requires unavailable static shared" 8855 + " library " + libName + " version " 8856 + libEntry.info.getVersion() + "; failing!"); 8857 } 8858 8859 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 8860 if (libPkg == null) { 8861 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8862 "Package " + packageName + " requires unavailable static shared" 8863 + " library; failing!"); 8864 } 8865 8866 String expectedCertDigest = requiredCertDigests[i]; 8867 String libCertDigest = PackageUtils.computeCertSha256Digest( 8868 libPkg.mSignatures[0]); 8869 if (!libCertDigest.equalsIgnoreCase(expectedCertDigest)) { 8870 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8871 "Package " + packageName + " requires differently signed" + 8872 " static shared library; failing!"); 8873 } 8874 } 8875 8876 if (outUsedLibraries == null) { 8877 outUsedLibraries = new ArraySet<>(); 8878 } 8879 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 8880 } 8881 } 8882 return outUsedLibraries; 8883 } 8884 8885 private static boolean hasString(List<String> list, List<String> which) { 8886 if (list == null) { 8887 return false; 8888 } 8889 for (int i=list.size()-1; i>=0; i--) { 8890 for (int j=which.size()-1; j>=0; j--) { 8891 if (which.get(j).equals(list.get(i))) { 8892 return true; 8893 } 8894 } 8895 } 8896 return false; 8897 } 8898 8899 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 8900 PackageParser.Package changingPkg) { 8901 ArrayList<PackageParser.Package> res = null; 8902 for (PackageParser.Package pkg : mPackages.values()) { 8903 if (changingPkg != null 8904 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 8905 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 8906 && !ArrayUtils.contains(pkg.usesStaticLibraries, 8907 changingPkg.staticSharedLibName)) { 8908 return null; 8909 } 8910 if (res == null) { 8911 res = new ArrayList<>(); 8912 } 8913 res.add(pkg); 8914 try { 8915 updateSharedLibrariesLPr(pkg, changingPkg); 8916 } catch (PackageManagerException e) { 8917 // If a system app update or an app and a required lib missing we 8918 // delete the package and for updated system apps keep the data as 8919 // it is better for the user to reinstall than to be in an limbo 8920 // state. Also libs disappearing under an app should never happen 8921 // - just in case. 8922 if (!pkg.isSystemApp() || pkg.isUpdatedSystemApp()) { 8923 final int flags = pkg.isUpdatedSystemApp() 8924 ? PackageManager.DELETE_KEEP_DATA : 0; 8925 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 8926 flags , null, true, null); 8927 } 8928 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8929 } 8930 } 8931 return res; 8932 } 8933 8934 /** 8935 * Derive the value of the {@code cpuAbiOverride} based on the provided 8936 * value and an optional stored value from the package settings. 8937 */ 8938 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 8939 String cpuAbiOverride = null; 8940 8941 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 8942 cpuAbiOverride = null; 8943 } else if (abiOverride != null) { 8944 cpuAbiOverride = abiOverride; 8945 } else if (settings != null) { 8946 cpuAbiOverride = settings.cpuAbiOverrideString; 8947 } 8948 8949 return cpuAbiOverride; 8950 } 8951 8952 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 8953 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 8954 throws PackageManagerException { 8955 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 8956 // If the package has children and this is the first dive in the function 8957 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 8958 // whether all packages (parent and children) would be successfully scanned 8959 // before the actual scan since scanning mutates internal state and we want 8960 // to atomically install the package and its children. 8961 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8962 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8963 scanFlags |= SCAN_CHECK_ONLY; 8964 } 8965 } else { 8966 scanFlags &= ~SCAN_CHECK_ONLY; 8967 } 8968 8969 final PackageParser.Package scannedPkg; 8970 try { 8971 // Scan the parent 8972 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 8973 // Scan the children 8974 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8975 for (int i = 0; i < childCount; i++) { 8976 PackageParser.Package childPkg = pkg.childPackages.get(i); 8977 scanPackageLI(childPkg, policyFlags, 8978 scanFlags, currentTime, user); 8979 } 8980 } finally { 8981 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8982 } 8983 8984 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8985 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 8986 } 8987 8988 return scannedPkg; 8989 } 8990 8991 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 8992 int scanFlags, long currentTime, @Nullable UserHandle user) 8993 throws PackageManagerException { 8994 boolean success = false; 8995 try { 8996 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 8997 currentTime, user); 8998 success = true; 8999 return res; 9000 } finally { 9001 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 9002 // DELETE_DATA_ON_FAILURES is only used by frozen paths 9003 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 9004 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 9005 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 9006 } 9007 } 9008 } 9009 9010 /** 9011 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 9012 */ 9013 private static boolean apkHasCode(String fileName) { 9014 StrictJarFile jarFile = null; 9015 try { 9016 jarFile = new StrictJarFile(fileName, 9017 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 9018 return jarFile.findEntry("classes.dex") != null; 9019 } catch (IOException ignore) { 9020 } finally { 9021 try { 9022 if (jarFile != null) { 9023 jarFile.close(); 9024 } 9025 } catch (IOException ignore) {} 9026 } 9027 return false; 9028 } 9029 9030 /** 9031 * Enforces code policy for the package. This ensures that if an APK has 9032 * declared hasCode="true" in its manifest that the APK actually contains 9033 * code. 9034 * 9035 * @throws PackageManagerException If bytecode could not be found when it should exist 9036 */ 9037 private static void assertCodePolicy(PackageParser.Package pkg) 9038 throws PackageManagerException { 9039 final boolean shouldHaveCode = 9040 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 9041 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 9042 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9043 "Package " + pkg.baseCodePath + " code is missing"); 9044 } 9045 9046 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 9047 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 9048 final boolean splitShouldHaveCode = 9049 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 9050 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 9051 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9052 "Package " + pkg.splitCodePaths[i] + " code is missing"); 9053 } 9054 } 9055 } 9056 } 9057 9058 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 9059 final int policyFlags, final int scanFlags, long currentTime, @Nullable UserHandle user) 9060 throws PackageManagerException { 9061 if (DEBUG_PACKAGE_SCANNING) { 9062 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9063 Log.d(TAG, "Scanning package " + pkg.packageName); 9064 } 9065 9066 applyPolicy(pkg, policyFlags); 9067 9068 assertPackageIsValid(pkg, policyFlags, scanFlags); 9069 9070 // Initialize package source and resource directories 9071 final File scanFile = new File(pkg.codePath); 9072 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 9073 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 9074 9075 SharedUserSetting suid = null; 9076 PackageSetting pkgSetting = null; 9077 9078 // Getting the package setting may have a side-effect, so if we 9079 // are only checking if scan would succeed, stash a copy of the 9080 // old setting to restore at the end. 9081 PackageSetting nonMutatedPs = null; 9082 9083 // We keep references to the derived CPU Abis from settings in oder to reuse 9084 // them in the case where we're not upgrading or booting for the first time. 9085 String primaryCpuAbiFromSettings = null; 9086 String secondaryCpuAbiFromSettings = null; 9087 9088 // writer 9089 synchronized (mPackages) { 9090 if (pkg.mSharedUserId != null) { 9091 // SIDE EFFECTS; may potentially allocate a new shared user 9092 suid = mSettings.getSharedUserLPw( 9093 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 9094 if (DEBUG_PACKAGE_SCANNING) { 9095 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9096 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 9097 + "): packages=" + suid.packages); 9098 } 9099 } 9100 9101 // Check if we are renaming from an original package name. 9102 PackageSetting origPackage = null; 9103 String realName = null; 9104 if (pkg.mOriginalPackages != null) { 9105 // This package may need to be renamed to a previously 9106 // installed name. Let's check on that... 9107 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 9108 if (pkg.mOriginalPackages.contains(renamed)) { 9109 // This package had originally been installed as the 9110 // original name, and we have already taken care of 9111 // transitioning to the new one. Just update the new 9112 // one to continue using the old name. 9113 realName = pkg.mRealPackage; 9114 if (!pkg.packageName.equals(renamed)) { 9115 // Callers into this function may have already taken 9116 // care of renaming the package; only do it here if 9117 // it is not already done. 9118 pkg.setPackageName(renamed); 9119 } 9120 } else { 9121 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 9122 if ((origPackage = mSettings.getPackageLPr( 9123 pkg.mOriginalPackages.get(i))) != null) { 9124 // We do have the package already installed under its 9125 // original name... should we use it? 9126 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 9127 // New package is not compatible with original. 9128 origPackage = null; 9129 continue; 9130 } else if (origPackage.sharedUser != null) { 9131 // Make sure uid is compatible between packages. 9132 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 9133 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 9134 + " to " + pkg.packageName + ": old uid " 9135 + origPackage.sharedUser.name 9136 + " differs from " + pkg.mSharedUserId); 9137 origPackage = null; 9138 continue; 9139 } 9140 // TODO: Add case when shared user id is added [b/28144775] 9141 } else { 9142 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 9143 + pkg.packageName + " to old name " + origPackage.name); 9144 } 9145 break; 9146 } 9147 } 9148 } 9149 } 9150 9151 if (mTransferedPackages.contains(pkg.packageName)) { 9152 Slog.w(TAG, "Package " + pkg.packageName 9153 + " was transferred to another, but its .apk remains"); 9154 } 9155 9156 // See comments in nonMutatedPs declaration 9157 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9158 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9159 if (foundPs != null) { 9160 nonMutatedPs = new PackageSetting(foundPs); 9161 } 9162 } 9163 9164 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 9165 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9166 if (foundPs != null) { 9167 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 9168 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 9169 } 9170 } 9171 9172 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 9173 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 9174 PackageManagerService.reportSettingsProblem(Log.WARN, 9175 "Package " + pkg.packageName + " shared user changed from " 9176 + (pkgSetting.sharedUser != null 9177 ? pkgSetting.sharedUser.name : "<nothing>") 9178 + " to " 9179 + (suid != null ? suid.name : "<nothing>") 9180 + "; replacing with new"); 9181 pkgSetting = null; 9182 } 9183 final PackageSetting oldPkgSetting = 9184 pkgSetting == null ? null : new PackageSetting(pkgSetting); 9185 final PackageSetting disabledPkgSetting = 9186 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 9187 9188 String[] usesStaticLibraries = null; 9189 if (pkg.usesStaticLibraries != null) { 9190 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 9191 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 9192 } 9193 9194 if (pkgSetting == null) { 9195 final String parentPackageName = (pkg.parentPackage != null) 9196 ? pkg.parentPackage.packageName : null; 9197 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 9198 // REMOVE SharedUserSetting from method; update in a separate call 9199 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 9200 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 9201 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 9202 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 9203 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 9204 true /*allowInstall*/, instantApp, parentPackageName, 9205 pkg.getChildPackageNames(), UserManagerService.getInstance(), 9206 usesStaticLibraries, pkg.usesStaticLibrariesVersions); 9207 // SIDE EFFECTS; updates system state; move elsewhere 9208 if (origPackage != null) { 9209 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 9210 } 9211 mSettings.addUserToSettingLPw(pkgSetting); 9212 } else { 9213 // REMOVE SharedUserSetting from method; update in a separate call. 9214 // 9215 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 9216 // secondaryCpuAbi are not known at this point so we always update them 9217 // to null here, only to reset them at a later point. 9218 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 9219 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 9220 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 9221 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 9222 UserManagerService.getInstance(), usesStaticLibraries, 9223 pkg.usesStaticLibrariesVersions); 9224 } 9225 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 9226 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 9227 9228 // SIDE EFFECTS; modifies system state; move elsewhere 9229 if (pkgSetting.origPackage != null) { 9230 // If we are first transitioning from an original package, 9231 // fix up the new package's name now. We need to do this after 9232 // looking up the package under its new name, so getPackageLP 9233 // can take care of fiddling things correctly. 9234 pkg.setPackageName(origPackage.name); 9235 9236 // File a report about this. 9237 String msg = "New package " + pkgSetting.realName 9238 + " renamed to replace old package " + pkgSetting.name; 9239 reportSettingsProblem(Log.WARN, msg); 9240 9241 // Make a note of it. 9242 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9243 mTransferedPackages.add(origPackage.name); 9244 } 9245 9246 // No longer need to retain this. 9247 pkgSetting.origPackage = null; 9248 } 9249 9250 // SIDE EFFECTS; modifies system state; move elsewhere 9251 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 9252 // Make a note of it. 9253 mTransferedPackages.add(pkg.packageName); 9254 } 9255 9256 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 9257 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9258 } 9259 9260 if ((scanFlags & SCAN_BOOTING) == 0 9261 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9262 // Check all shared libraries and map to their actual file path. 9263 // We only do this here for apps not on a system dir, because those 9264 // are the only ones that can fail an install due to this. We 9265 // will take care of the system apps by updating all of their 9266 // library paths after the scan is done. Also during the initial 9267 // scan don't update any libs as we do this wholesale after all 9268 // apps are scanned to avoid dependency based scanning. 9269 updateSharedLibrariesLPr(pkg, null); 9270 } 9271 9272 if (mFoundPolicyFile) { 9273 SELinuxMMAC.assignSeInfoValue(pkg); 9274 } 9275 pkg.applicationInfo.uid = pkgSetting.appId; 9276 pkg.mExtras = pkgSetting; 9277 9278 9279 // Static shared libs have same package with different versions where 9280 // we internally use a synthetic package name to allow multiple versions 9281 // of the same package, therefore we need to compare signatures against 9282 // the package setting for the latest library version. 9283 PackageSetting signatureCheckPs = pkgSetting; 9284 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9285 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 9286 if (libraryEntry != null) { 9287 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 9288 } 9289 } 9290 9291 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 9292 if (checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 9293 // We just determined the app is signed correctly, so bring 9294 // over the latest parsed certs. 9295 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9296 } else { 9297 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9298 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9299 "Package " + pkg.packageName + " upgrade keys do not match the " 9300 + "previously installed version"); 9301 } else { 9302 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9303 String msg = "System package " + pkg.packageName 9304 + " signature changed; retaining data."; 9305 reportSettingsProblem(Log.WARN, msg); 9306 } 9307 } 9308 } else { 9309 try { 9310 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 9311 verifySignaturesLP(signatureCheckPs, pkg); 9312 // We just determined the app is signed correctly, so bring 9313 // over the latest parsed certs. 9314 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9315 } catch (PackageManagerException e) { 9316 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9317 throw e; 9318 } 9319 // The signature has changed, but this package is in the system 9320 // image... let's recover! 9321 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9322 // However... if this package is part of a shared user, but it 9323 // doesn't match the signature of the shared user, let's fail. 9324 // What this means is that you can't change the signatures 9325 // associated with an overall shared user, which doesn't seem all 9326 // that unreasonable. 9327 if (signatureCheckPs.sharedUser != null) { 9328 if (compareSignatures(signatureCheckPs.sharedUser.signatures.mSignatures, 9329 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 9330 throw new PackageManagerException( 9331 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9332 "Signature mismatch for shared user: " 9333 + pkgSetting.sharedUser); 9334 } 9335 } 9336 // File a report about this. 9337 String msg = "System package " + pkg.packageName 9338 + " signature changed; retaining data."; 9339 reportSettingsProblem(Log.WARN, msg); 9340 } 9341 } 9342 9343 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 9344 // This package wants to adopt ownership of permissions from 9345 // another package. 9346 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 9347 final String origName = pkg.mAdoptPermissions.get(i); 9348 final PackageSetting orig = mSettings.getPackageLPr(origName); 9349 if (orig != null) { 9350 if (verifyPackageUpdateLPr(orig, pkg)) { 9351 Slog.i(TAG, "Adopting permissions from " + origName + " to " 9352 + pkg.packageName); 9353 // SIDE EFFECTS; updates permissions system state; move elsewhere 9354 mSettings.transferPermissionsLPw(origName, pkg.packageName); 9355 } 9356 } 9357 } 9358 } 9359 } 9360 9361 pkg.applicationInfo.processName = fixProcessName( 9362 pkg.applicationInfo.packageName, 9363 pkg.applicationInfo.processName); 9364 9365 if (pkg != mPlatformPackage) { 9366 // Get all of our default paths setup 9367 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 9368 } 9369 9370 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 9371 9372 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 9373 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 9374 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 9375 derivePackageAbi( 9376 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 9377 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9378 9379 // Some system apps still use directory structure for native libraries 9380 // in which case we might end up not detecting abi solely based on apk 9381 // structure. Try to detect abi based on directory structure. 9382 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 9383 pkg.applicationInfo.primaryCpuAbi == null) { 9384 setBundledAppAbisAndRoots(pkg, pkgSetting); 9385 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9386 } 9387 } else { 9388 // This is not a first boot or an upgrade, don't bother deriving the 9389 // ABI during the scan. Instead, trust the value that was stored in the 9390 // package setting. 9391 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 9392 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 9393 9394 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9395 9396 if (DEBUG_ABI_SELECTION) { 9397 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 9398 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 9399 pkg.applicationInfo.secondaryCpuAbi); 9400 } 9401 } 9402 } else { 9403 if ((scanFlags & SCAN_MOVE) != 0) { 9404 // We haven't run dex-opt for this move (since we've moved the compiled output too) 9405 // but we already have this packages package info in the PackageSetting. We just 9406 // use that and derive the native library path based on the new codepath. 9407 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 9408 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 9409 } 9410 9411 // Set native library paths again. For moves, the path will be updated based on the 9412 // ABIs we've determined above. For non-moves, the path will be updated based on the 9413 // ABIs we determined during compilation, but the path will depend on the final 9414 // package path (after the rename away from the stage path). 9415 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9416 } 9417 9418 // This is a special case for the "system" package, where the ABI is 9419 // dictated by the zygote configuration (and init.rc). We should keep track 9420 // of this ABI so that we can deal with "normal" applications that run under 9421 // the same UID correctly. 9422 if (mPlatformPackage == pkg) { 9423 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 9424 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 9425 } 9426 9427 // If there's a mismatch between the abi-override in the package setting 9428 // and the abiOverride specified for the install. Warn about this because we 9429 // would've already compiled the app without taking the package setting into 9430 // account. 9431 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 9432 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 9433 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 9434 " for package " + pkg.packageName); 9435 } 9436 } 9437 9438 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9439 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9440 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 9441 9442 // Copy the derived override back to the parsed package, so that we can 9443 // update the package settings accordingly. 9444 pkg.cpuAbiOverride = cpuAbiOverride; 9445 9446 if (DEBUG_ABI_SELECTION) { 9447 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 9448 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 9449 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 9450 } 9451 9452 // Push the derived path down into PackageSettings so we know what to 9453 // clean up at uninstall time. 9454 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 9455 9456 if (DEBUG_ABI_SELECTION) { 9457 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 9458 " primary=" + pkg.applicationInfo.primaryCpuAbi + 9459 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 9460 } 9461 9462 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 9463 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 9464 // We don't do this here during boot because we can do it all 9465 // at once after scanning all existing packages. 9466 // 9467 // We also do this *before* we perform dexopt on this package, so that 9468 // we can avoid redundant dexopts, and also to make sure we've got the 9469 // code and package path correct. 9470 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 9471 } 9472 9473 if (mFactoryTest && pkg.requestedPermissions.contains( 9474 android.Manifest.permission.FACTORY_TEST)) { 9475 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 9476 } 9477 9478 if (isSystemApp(pkg)) { 9479 pkgSetting.isOrphaned = true; 9480 } 9481 9482 // Take care of first install / last update times. 9483 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 9484 if (currentTime != 0) { 9485 if (pkgSetting.firstInstallTime == 0) { 9486 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 9487 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 9488 pkgSetting.lastUpdateTime = currentTime; 9489 } 9490 } else if (pkgSetting.firstInstallTime == 0) { 9491 // We need *something*. Take time time stamp of the file. 9492 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 9493 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 9494 if (scanFileTime != pkgSetting.timeStamp) { 9495 // A package on the system image has changed; consider this 9496 // to be an update. 9497 pkgSetting.lastUpdateTime = scanFileTime; 9498 } 9499 } 9500 pkgSetting.setTimeStamp(scanFileTime); 9501 9502 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9503 if (nonMutatedPs != null) { 9504 synchronized (mPackages) { 9505 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 9506 } 9507 } 9508 } else { 9509 final int userId = user == null ? 0 : user.getIdentifier(); 9510 // Modify state for the given package setting 9511 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 9512 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 9513 if (pkgSetting.getInstantApp(userId)) { 9514 mInstantAppRegistry.addInstantAppLPw(userId, pkgSetting.appId); 9515 } 9516 } 9517 return pkg; 9518 } 9519 9520 /** 9521 * Applies policy to the parsed package based upon the given policy flags. 9522 * Ensures the package is in a good state. 9523 * <p> 9524 * Implementation detail: This method must NOT have any side effect. It would 9525 * ideally be static, but, it requires locks to read system state. 9526 */ 9527 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 9528 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 9529 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 9530 if (pkg.applicationInfo.isDirectBootAware()) { 9531 // we're direct boot aware; set for all components 9532 for (PackageParser.Service s : pkg.services) { 9533 s.info.encryptionAware = s.info.directBootAware = true; 9534 } 9535 for (PackageParser.Provider p : pkg.providers) { 9536 p.info.encryptionAware = p.info.directBootAware = true; 9537 } 9538 for (PackageParser.Activity a : pkg.activities) { 9539 a.info.encryptionAware = a.info.directBootAware = true; 9540 } 9541 for (PackageParser.Activity r : pkg.receivers) { 9542 r.info.encryptionAware = r.info.directBootAware = true; 9543 } 9544 } 9545 } else { 9546 // Only allow system apps to be flagged as core apps. 9547 pkg.coreApp = false; 9548 // clear flags not applicable to regular apps 9549 pkg.applicationInfo.privateFlags &= 9550 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 9551 pkg.applicationInfo.privateFlags &= 9552 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 9553 } 9554 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 9555 9556 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 9557 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 9558 } 9559 9560 if (!isSystemApp(pkg)) { 9561 // Only system apps can use these features. 9562 pkg.mOriginalPackages = null; 9563 pkg.mRealPackage = null; 9564 pkg.mAdoptPermissions = null; 9565 } 9566 } 9567 9568 /** 9569 * Asserts the parsed package is valid according to the given policy. If the 9570 * package is invalid, for whatever reason, throws {@link PackageManagerException}. 9571 * <p> 9572 * Implementation detail: This method must NOT have any side effects. It would 9573 * ideally be static, but, it requires locks to read system state. 9574 * 9575 * @throws PackageManagerException If the package fails any of the validation checks 9576 */ 9577 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 9578 throws PackageManagerException { 9579 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 9580 assertCodePolicy(pkg); 9581 } 9582 9583 if (pkg.applicationInfo.getCodePath() == null || 9584 pkg.applicationInfo.getResourcePath() == null) { 9585 // Bail out. The resource and code paths haven't been set. 9586 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9587 "Code and resource paths haven't been set correctly"); 9588 } 9589 9590 // Make sure we're not adding any bogus keyset info 9591 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9592 ksms.assertScannedPackageValid(pkg); 9593 9594 synchronized (mPackages) { 9595 // The special "android" package can only be defined once 9596 if (pkg.packageName.equals("android")) { 9597 if (mAndroidApplication != null) { 9598 Slog.w(TAG, "*************************************************"); 9599 Slog.w(TAG, "Core android package being redefined. Skipping."); 9600 Slog.w(TAG, " codePath=" + pkg.codePath); 9601 Slog.w(TAG, "*************************************************"); 9602 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9603 "Core android package being redefined. Skipping."); 9604 } 9605 } 9606 9607 // A package name must be unique; don't allow duplicates 9608 if (mPackages.containsKey(pkg.packageName)) { 9609 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9610 "Application package " + pkg.packageName 9611 + " already installed. Skipping duplicate."); 9612 } 9613 9614 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9615 // Static libs have a synthetic package name containing the version 9616 // but we still want the base name to be unique. 9617 if (mPackages.containsKey(pkg.manifestPackageName)) { 9618 throw new PackageManagerException( 9619 "Duplicate static shared lib provider package"); 9620 } 9621 9622 // Static shared libraries should have at least O target SDK 9623 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 9624 throw new PackageManagerException( 9625 "Packages declaring static-shared libs must target O SDK or higher"); 9626 } 9627 9628 // Package declaring static a shared lib cannot be instant apps 9629 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 9630 throw new PackageManagerException( 9631 "Packages declaring static-shared libs cannot be instant apps"); 9632 } 9633 9634 // Package declaring static a shared lib cannot be renamed since the package 9635 // name is synthetic and apps can't code around package manager internals. 9636 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 9637 throw new PackageManagerException( 9638 "Packages declaring static-shared libs cannot be renamed"); 9639 } 9640 9641 // Package declaring static a shared lib cannot declare child packages 9642 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 9643 throw new PackageManagerException( 9644 "Packages declaring static-shared libs cannot have child packages"); 9645 } 9646 9647 // Package declaring static a shared lib cannot declare dynamic libs 9648 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 9649 throw new PackageManagerException( 9650 "Packages declaring static-shared libs cannot declare dynamic libs"); 9651 } 9652 9653 // Package declaring static a shared lib cannot declare shared users 9654 if (pkg.mSharedUserId != null) { 9655 throw new PackageManagerException( 9656 "Packages declaring static-shared libs cannot declare shared users"); 9657 } 9658 9659 // Static shared libs cannot declare activities 9660 if (!pkg.activities.isEmpty()) { 9661 throw new PackageManagerException( 9662 "Static shared libs cannot declare activities"); 9663 } 9664 9665 // Static shared libs cannot declare services 9666 if (!pkg.services.isEmpty()) { 9667 throw new PackageManagerException( 9668 "Static shared libs cannot declare services"); 9669 } 9670 9671 // Static shared libs cannot declare providers 9672 if (!pkg.providers.isEmpty()) { 9673 throw new PackageManagerException( 9674 "Static shared libs cannot declare content providers"); 9675 } 9676 9677 // Static shared libs cannot declare receivers 9678 if (!pkg.receivers.isEmpty()) { 9679 throw new PackageManagerException( 9680 "Static shared libs cannot declare broadcast receivers"); 9681 } 9682 9683 // Static shared libs cannot declare permission groups 9684 if (!pkg.permissionGroups.isEmpty()) { 9685 throw new PackageManagerException( 9686 "Static shared libs cannot declare permission groups"); 9687 } 9688 9689 // Static shared libs cannot declare permissions 9690 if (!pkg.permissions.isEmpty()) { 9691 throw new PackageManagerException( 9692 "Static shared libs cannot declare permissions"); 9693 } 9694 9695 // Static shared libs cannot declare protected broadcasts 9696 if (pkg.protectedBroadcasts != null) { 9697 throw new PackageManagerException( 9698 "Static shared libs cannot declare protected broadcasts"); 9699 } 9700 9701 // Static shared libs cannot be overlay targets 9702 if (pkg.mOverlayTarget != null) { 9703 throw new PackageManagerException( 9704 "Static shared libs cannot be overlay targets"); 9705 } 9706 9707 // The version codes must be ordered as lib versions 9708 int minVersionCode = Integer.MIN_VALUE; 9709 int maxVersionCode = Integer.MAX_VALUE; 9710 9711 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9712 pkg.staticSharedLibName); 9713 if (versionedLib != null) { 9714 final int versionCount = versionedLib.size(); 9715 for (int i = 0; i < versionCount; i++) { 9716 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 9717 // TODO: We will change version code to long, so in the new API it is long 9718 final int libVersionCode = (int) libInfo.getDeclaringPackage() 9719 .getVersionCode(); 9720 if (libInfo.getVersion() < pkg.staticSharedLibVersion) { 9721 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 9722 } else if (libInfo.getVersion() > pkg.staticSharedLibVersion) { 9723 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 9724 } else { 9725 minVersionCode = maxVersionCode = libVersionCode; 9726 break; 9727 } 9728 } 9729 } 9730 if (pkg.mVersionCode < minVersionCode || pkg.mVersionCode > maxVersionCode) { 9731 throw new PackageManagerException("Static shared" 9732 + " lib version codes must be ordered as lib versions"); 9733 } 9734 } 9735 9736 // Only privileged apps and updated privileged apps can add child packages. 9737 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 9738 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 9739 throw new PackageManagerException("Only privileged apps can add child " 9740 + "packages. Ignoring package " + pkg.packageName); 9741 } 9742 final int childCount = pkg.childPackages.size(); 9743 for (int i = 0; i < childCount; i++) { 9744 PackageParser.Package childPkg = pkg.childPackages.get(i); 9745 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 9746 childPkg.packageName)) { 9747 throw new PackageManagerException("Can't override child of " 9748 + "another disabled app. Ignoring package " + pkg.packageName); 9749 } 9750 } 9751 } 9752 9753 // If we're only installing presumed-existing packages, require that the 9754 // scanned APK is both already known and at the path previously established 9755 // for it. Previously unknown packages we pick up normally, but if we have an 9756 // a priori expectation about this package's install presence, enforce it. 9757 // With a singular exception for new system packages. When an OTA contains 9758 // a new system package, we allow the codepath to change from a system location 9759 // to the user-installed location. If we don't allow this change, any newer, 9760 // user-installed version of the application will be ignored. 9761 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 9762 if (mExpectingBetter.containsKey(pkg.packageName)) { 9763 logCriticalInfo(Log.WARN, 9764 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 9765 } else { 9766 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 9767 if (known != null) { 9768 if (DEBUG_PACKAGE_SCANNING) { 9769 Log.d(TAG, "Examining " + pkg.codePath 9770 + " and requiring known paths " + known.codePathString 9771 + " & " + known.resourcePathString); 9772 } 9773 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 9774 || !pkg.applicationInfo.getResourcePath().equals( 9775 known.resourcePathString)) { 9776 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 9777 "Application package " + pkg.packageName 9778 + " found at " + pkg.applicationInfo.getCodePath() 9779 + " but expected at " + known.codePathString 9780 + "; ignoring."); 9781 } 9782 } 9783 } 9784 } 9785 9786 // Verify that this new package doesn't have any content providers 9787 // that conflict with existing packages. Only do this if the 9788 // package isn't already installed, since we don't want to break 9789 // things that are installed. 9790 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 9791 final int N = pkg.providers.size(); 9792 int i; 9793 for (i=0; i<N; i++) { 9794 PackageParser.Provider p = pkg.providers.get(i); 9795 if (p.info.authority != null) { 9796 String names[] = p.info.authority.split(";"); 9797 for (int j = 0; j < names.length; j++) { 9798 if (mProvidersByAuthority.containsKey(names[j])) { 9799 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9800 final String otherPackageName = 9801 ((other != null && other.getComponentName() != null) ? 9802 other.getComponentName().getPackageName() : "?"); 9803 throw new PackageManagerException( 9804 INSTALL_FAILED_CONFLICTING_PROVIDER, 9805 "Can't install because provider name " + names[j] 9806 + " (in package " + pkg.applicationInfo.packageName 9807 + ") is already used by " + otherPackageName); 9808 } 9809 } 9810 } 9811 } 9812 } 9813 } 9814 } 9815 9816 private boolean addSharedLibraryLPw(String path, String apk, String name, int version, 9817 int type, String declaringPackageName, int declaringVersionCode) { 9818 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9819 if (versionedLib == null) { 9820 versionedLib = new SparseArray<>(); 9821 mSharedLibraries.put(name, versionedLib); 9822 if (type == SharedLibraryInfo.TYPE_STATIC) { 9823 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 9824 } 9825 } else if (versionedLib.indexOfKey(version) >= 0) { 9826 return false; 9827 } 9828 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 9829 version, type, declaringPackageName, declaringVersionCode); 9830 versionedLib.put(version, libEntry); 9831 return true; 9832 } 9833 9834 private boolean removeSharedLibraryLPw(String name, int version) { 9835 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9836 if (versionedLib == null) { 9837 return false; 9838 } 9839 final int libIdx = versionedLib.indexOfKey(version); 9840 if (libIdx < 0) { 9841 return false; 9842 } 9843 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 9844 versionedLib.remove(version); 9845 if (versionedLib.size() <= 0) { 9846 mSharedLibraries.remove(name); 9847 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 9848 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 9849 .getPackageName()); 9850 } 9851 } 9852 return true; 9853 } 9854 9855 /** 9856 * Adds a scanned package to the system. When this method is finished, the package will 9857 * be available for query, resolution, etc... 9858 */ 9859 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 9860 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 9861 final String pkgName = pkg.packageName; 9862 if (mCustomResolverComponentName != null && 9863 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 9864 setUpCustomResolverActivity(pkg); 9865 } 9866 9867 if (pkg.packageName.equals("android")) { 9868 synchronized (mPackages) { 9869 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9870 // Set up information for our fall-back user intent resolution activity. 9871 mPlatformPackage = pkg; 9872 pkg.mVersionCode = mSdkVersion; 9873 mAndroidApplication = pkg.applicationInfo; 9874 if (!mResolverReplaced) { 9875 mResolveActivity.applicationInfo = mAndroidApplication; 9876 mResolveActivity.name = ResolverActivity.class.getName(); 9877 mResolveActivity.packageName = mAndroidApplication.packageName; 9878 mResolveActivity.processName = "system:ui"; 9879 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9880 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 9881 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 9882 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 9883 mResolveActivity.exported = true; 9884 mResolveActivity.enabled = true; 9885 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 9886 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 9887 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 9888 | ActivityInfo.CONFIG_SCREEN_LAYOUT 9889 | ActivityInfo.CONFIG_ORIENTATION 9890 | ActivityInfo.CONFIG_KEYBOARD 9891 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 9892 mResolveInfo.activityInfo = mResolveActivity; 9893 mResolveInfo.priority = 0; 9894 mResolveInfo.preferredOrder = 0; 9895 mResolveInfo.match = 0; 9896 mResolveComponentName = new ComponentName( 9897 mAndroidApplication.packageName, mResolveActivity.name); 9898 } 9899 } 9900 } 9901 } 9902 9903 ArrayList<PackageParser.Package> clientLibPkgs = null; 9904 // writer 9905 synchronized (mPackages) { 9906 boolean hasStaticSharedLibs = false; 9907 9908 // Any app can add new static shared libraries 9909 if (pkg.staticSharedLibName != null) { 9910 // Static shared libs don't allow renaming as they have synthetic package 9911 // names to allow install of multiple versions, so use name from manifest. 9912 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 9913 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 9914 pkg.manifestPackageName, pkg.mVersionCode)) { 9915 hasStaticSharedLibs = true; 9916 } else { 9917 Slog.w(TAG, "Package " + pkg.packageName + " library " 9918 + pkg.staticSharedLibName + " already exists; skipping"); 9919 } 9920 // Static shared libs cannot be updated once installed since they 9921 // use synthetic package name which includes the version code, so 9922 // not need to update other packages's shared lib dependencies. 9923 } 9924 9925 if (!hasStaticSharedLibs 9926 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 9927 // Only system apps can add new dynamic shared libraries. 9928 if (pkg.libraryNames != null) { 9929 for (int i = 0; i < pkg.libraryNames.size(); i++) { 9930 String name = pkg.libraryNames.get(i); 9931 boolean allowed = false; 9932 if (pkg.isUpdatedSystemApp()) { 9933 // New library entries can only be added through the 9934 // system image. This is important to get rid of a lot 9935 // of nasty edge cases: for example if we allowed a non- 9936 // system update of the app to add a library, then uninstalling 9937 // the update would make the library go away, and assumptions 9938 // we made such as through app install filtering would now 9939 // have allowed apps on the device which aren't compatible 9940 // with it. Better to just have the restriction here, be 9941 // conservative, and create many fewer cases that can negatively 9942 // impact the user experience. 9943 final PackageSetting sysPs = mSettings 9944 .getDisabledSystemPkgLPr(pkg.packageName); 9945 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 9946 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 9947 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 9948 allowed = true; 9949 break; 9950 } 9951 } 9952 } 9953 } else { 9954 allowed = true; 9955 } 9956 if (allowed) { 9957 if (!addSharedLibraryLPw(null, pkg.packageName, name, 9958 SharedLibraryInfo.VERSION_UNDEFINED, 9959 SharedLibraryInfo.TYPE_DYNAMIC, 9960 pkg.packageName, pkg.mVersionCode)) { 9961 Slog.w(TAG, "Package " + pkg.packageName + " library " 9962 + name + " already exists; skipping"); 9963 } 9964 } else { 9965 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 9966 + name + " that is not declared on system image; skipping"); 9967 } 9968 } 9969 9970 if ((scanFlags & SCAN_BOOTING) == 0) { 9971 // If we are not booting, we need to update any applications 9972 // that are clients of our shared library. If we are booting, 9973 // this will all be done once the scan is complete. 9974 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 9975 } 9976 } 9977 } 9978 } 9979 9980 if ((scanFlags & SCAN_BOOTING) != 0) { 9981 // No apps can run during boot scan, so they don't need to be frozen 9982 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 9983 // Caller asked to not kill app, so it's probably not frozen 9984 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 9985 // Caller asked us to ignore frozen check for some reason; they 9986 // probably didn't know the package name 9987 } else { 9988 // We're doing major surgery on this package, so it better be frozen 9989 // right now to keep it from launching 9990 checkPackageFrozen(pkgName); 9991 } 9992 9993 // Also need to kill any apps that are dependent on the library. 9994 if (clientLibPkgs != null) { 9995 for (int i=0; i<clientLibPkgs.size(); i++) { 9996 PackageParser.Package clientPkg = clientLibPkgs.get(i); 9997 killApplication(clientPkg.applicationInfo.packageName, 9998 clientPkg.applicationInfo.uid, "update lib"); 9999 } 10000 } 10001 10002 // writer 10003 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 10004 10005 synchronized (mPackages) { 10006 // We don't expect installation to fail beyond this point 10007 10008 // Add the new setting to mSettings 10009 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 10010 // Add the new setting to mPackages 10011 mPackages.put(pkg.applicationInfo.packageName, pkg); 10012 // Make sure we don't accidentally delete its data. 10013 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 10014 while (iter.hasNext()) { 10015 PackageCleanItem item = iter.next(); 10016 if (pkgName.equals(item.packageName)) { 10017 iter.remove(); 10018 } 10019 } 10020 10021 // Add the package's KeySets to the global KeySetManagerService 10022 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10023 ksms.addScannedPackageLPw(pkg); 10024 10025 int N = pkg.providers.size(); 10026 StringBuilder r = null; 10027 int i; 10028 for (i=0; i<N; i++) { 10029 PackageParser.Provider p = pkg.providers.get(i); 10030 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 10031 p.info.processName); 10032 mProviders.addProvider(p); 10033 p.syncable = p.info.isSyncable; 10034 if (p.info.authority != null) { 10035 String names[] = p.info.authority.split(";"); 10036 p.info.authority = null; 10037 for (int j = 0; j < names.length; j++) { 10038 if (j == 1 && p.syncable) { 10039 // We only want the first authority for a provider to possibly be 10040 // syncable, so if we already added this provider using a different 10041 // authority clear the syncable flag. We copy the provider before 10042 // changing it because the mProviders object contains a reference 10043 // to a provider that we don't want to change. 10044 // Only do this for the second authority since the resulting provider 10045 // object can be the same for all future authorities for this provider. 10046 p = new PackageParser.Provider(p); 10047 p.syncable = false; 10048 } 10049 if (!mProvidersByAuthority.containsKey(names[j])) { 10050 mProvidersByAuthority.put(names[j], p); 10051 if (p.info.authority == null) { 10052 p.info.authority = names[j]; 10053 } else { 10054 p.info.authority = p.info.authority + ";" + names[j]; 10055 } 10056 if (DEBUG_PACKAGE_SCANNING) { 10057 if (chatty) 10058 Log.d(TAG, "Registered content provider: " + names[j] 10059 + ", className = " + p.info.name + ", isSyncable = " 10060 + p.info.isSyncable); 10061 } 10062 } else { 10063 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 10064 Slog.w(TAG, "Skipping provider name " + names[j] + 10065 " (in package " + pkg.applicationInfo.packageName + 10066 "): name already used by " 10067 + ((other != null && other.getComponentName() != null) 10068 ? other.getComponentName().getPackageName() : "?")); 10069 } 10070 } 10071 } 10072 if (chatty) { 10073 if (r == null) { 10074 r = new StringBuilder(256); 10075 } else { 10076 r.append(' '); 10077 } 10078 r.append(p.info.name); 10079 } 10080 } 10081 if (r != null) { 10082 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 10083 } 10084 10085 N = pkg.services.size(); 10086 r = null; 10087 for (i=0; i<N; i++) { 10088 PackageParser.Service s = pkg.services.get(i); 10089 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 10090 s.info.processName); 10091 mServices.addService(s); 10092 if (chatty) { 10093 if (r == null) { 10094 r = new StringBuilder(256); 10095 } else { 10096 r.append(' '); 10097 } 10098 r.append(s.info.name); 10099 } 10100 } 10101 if (r != null) { 10102 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 10103 } 10104 10105 N = pkg.receivers.size(); 10106 r = null; 10107 for (i=0; i<N; i++) { 10108 PackageParser.Activity a = pkg.receivers.get(i); 10109 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10110 a.info.processName); 10111 mReceivers.addActivity(a, "receiver"); 10112 if (chatty) { 10113 if (r == null) { 10114 r = new StringBuilder(256); 10115 } else { 10116 r.append(' '); 10117 } 10118 r.append(a.info.name); 10119 } 10120 } 10121 if (r != null) { 10122 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 10123 } 10124 10125 N = pkg.activities.size(); 10126 r = null; 10127 for (i=0; i<N; i++) { 10128 PackageParser.Activity a = pkg.activities.get(i); 10129 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10130 a.info.processName); 10131 mActivities.addActivity(a, "activity"); 10132 if (chatty) { 10133 if (r == null) { 10134 r = new StringBuilder(256); 10135 } else { 10136 r.append(' '); 10137 } 10138 r.append(a.info.name); 10139 } 10140 } 10141 if (r != null) { 10142 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 10143 } 10144 10145 N = pkg.permissionGroups.size(); 10146 r = null; 10147 for (i=0; i<N; i++) { 10148 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 10149 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 10150 final String curPackageName = cur == null ? null : cur.info.packageName; 10151 // Dont allow ephemeral apps to define new permission groups. 10152 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10153 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10154 + pg.info.packageName 10155 + " ignored: instant apps cannot define new permission groups."); 10156 continue; 10157 } 10158 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 10159 if (cur == null || isPackageUpdate) { 10160 mPermissionGroups.put(pg.info.name, pg); 10161 if (chatty) { 10162 if (r == null) { 10163 r = new StringBuilder(256); 10164 } else { 10165 r.append(' '); 10166 } 10167 if (isPackageUpdate) { 10168 r.append("UPD:"); 10169 } 10170 r.append(pg.info.name); 10171 } 10172 } else { 10173 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10174 + pg.info.packageName + " ignored: original from " 10175 + cur.info.packageName); 10176 if (chatty) { 10177 if (r == null) { 10178 r = new StringBuilder(256); 10179 } else { 10180 r.append(' '); 10181 } 10182 r.append("DUP:"); 10183 r.append(pg.info.name); 10184 } 10185 } 10186 } 10187 if (r != null) { 10188 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 10189 } 10190 10191 N = pkg.permissions.size(); 10192 r = null; 10193 for (i=0; i<N; i++) { 10194 PackageParser.Permission p = pkg.permissions.get(i); 10195 10196 // Dont allow ephemeral apps to define new permissions. 10197 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10198 Slog.w(TAG, "Permission " + p.info.name + " from package " 10199 + p.info.packageName 10200 + " ignored: instant apps cannot define new permissions."); 10201 continue; 10202 } 10203 10204 // Assume by default that we did not install this permission into the system. 10205 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 10206 10207 // Now that permission groups have a special meaning, we ignore permission 10208 // groups for legacy apps to prevent unexpected behavior. In particular, 10209 // permissions for one app being granted to someone just becase they happen 10210 // to be in a group defined by another app (before this had no implications). 10211 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 10212 p.group = mPermissionGroups.get(p.info.group); 10213 // Warn for a permission in an unknown group. 10214 if (p.info.group != null && p.group == null) { 10215 Slog.w(TAG, "Permission " + p.info.name + " from package " 10216 + p.info.packageName + " in an unknown group " + p.info.group); 10217 } 10218 } 10219 10220 ArrayMap<String, BasePermission> permissionMap = 10221 p.tree ? mSettings.mPermissionTrees 10222 : mSettings.mPermissions; 10223 BasePermission bp = permissionMap.get(p.info.name); 10224 10225 // Allow system apps to redefine non-system permissions 10226 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 10227 final boolean currentOwnerIsSystem = (bp.perm != null 10228 && isSystemApp(bp.perm.owner)); 10229 if (isSystemApp(p.owner)) { 10230 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 10231 // It's a built-in permission and no owner, take ownership now 10232 bp.packageSetting = pkgSetting; 10233 bp.perm = p; 10234 bp.uid = pkg.applicationInfo.uid; 10235 bp.sourcePackage = p.info.packageName; 10236 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10237 } else if (!currentOwnerIsSystem) { 10238 String msg = "New decl " + p.owner + " of permission " 10239 + p.info.name + " is system; overriding " + bp.sourcePackage; 10240 reportSettingsProblem(Log.WARN, msg); 10241 bp = null; 10242 } 10243 } 10244 } 10245 10246 if (bp == null) { 10247 bp = new BasePermission(p.info.name, p.info.packageName, 10248 BasePermission.TYPE_NORMAL); 10249 permissionMap.put(p.info.name, bp); 10250 } 10251 10252 if (bp.perm == null) { 10253 if (bp.sourcePackage == null 10254 || bp.sourcePackage.equals(p.info.packageName)) { 10255 BasePermission tree = findPermissionTreeLP(p.info.name); 10256 if (tree == null 10257 || tree.sourcePackage.equals(p.info.packageName)) { 10258 bp.packageSetting = pkgSetting; 10259 bp.perm = p; 10260 bp.uid = pkg.applicationInfo.uid; 10261 bp.sourcePackage = p.info.packageName; 10262 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10263 if (chatty) { 10264 if (r == null) { 10265 r = new StringBuilder(256); 10266 } else { 10267 r.append(' '); 10268 } 10269 r.append(p.info.name); 10270 } 10271 } else { 10272 Slog.w(TAG, "Permission " + p.info.name + " from package " 10273 + p.info.packageName + " ignored: base tree " 10274 + tree.name + " is from package " 10275 + tree.sourcePackage); 10276 } 10277 } else { 10278 Slog.w(TAG, "Permission " + p.info.name + " from package " 10279 + p.info.packageName + " ignored: original from " 10280 + bp.sourcePackage); 10281 } 10282 } else if (chatty) { 10283 if (r == null) { 10284 r = new StringBuilder(256); 10285 } else { 10286 r.append(' '); 10287 } 10288 r.append("DUP:"); 10289 r.append(p.info.name); 10290 } 10291 if (bp.perm == p) { 10292 bp.protectionLevel = p.info.protectionLevel; 10293 } 10294 } 10295 10296 if (r != null) { 10297 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 10298 } 10299 10300 N = pkg.instrumentation.size(); 10301 r = null; 10302 for (i=0; i<N; i++) { 10303 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 10304 a.info.packageName = pkg.applicationInfo.packageName; 10305 a.info.sourceDir = pkg.applicationInfo.sourceDir; 10306 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 10307 a.info.splitNames = pkg.splitNames; 10308 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 10309 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 10310 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 10311 a.info.dataDir = pkg.applicationInfo.dataDir; 10312 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 10313 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 10314 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 10315 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 10316 mInstrumentation.put(a.getComponentName(), a); 10317 if (chatty) { 10318 if (r == null) { 10319 r = new StringBuilder(256); 10320 } else { 10321 r.append(' '); 10322 } 10323 r.append(a.info.name); 10324 } 10325 } 10326 if (r != null) { 10327 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 10328 } 10329 10330 if (pkg.protectedBroadcasts != null) { 10331 N = pkg.protectedBroadcasts.size(); 10332 for (i=0; i<N; i++) { 10333 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 10334 } 10335 } 10336 } 10337 10338 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10339 } 10340 10341 /** 10342 * Derive the ABI of a non-system package located at {@code scanFile}. This information 10343 * is derived purely on the basis of the contents of {@code scanFile} and 10344 * {@code cpuAbiOverride}. 10345 * 10346 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 10347 */ 10348 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 10349 String cpuAbiOverride, boolean extractLibs, 10350 File appLib32InstallDir) 10351 throws PackageManagerException { 10352 // Give ourselves some initial paths; we'll come back for another 10353 // pass once we've determined ABI below. 10354 setNativeLibraryPaths(pkg, appLib32InstallDir); 10355 10356 // We would never need to extract libs for forward-locked and external packages, 10357 // since the container service will do it for us. We shouldn't attempt to 10358 // extract libs from system app when it was not updated. 10359 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 10360 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 10361 extractLibs = false; 10362 } 10363 10364 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 10365 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 10366 10367 NativeLibraryHelper.Handle handle = null; 10368 try { 10369 handle = NativeLibraryHelper.Handle.create(pkg); 10370 // TODO(multiArch): This can be null for apps that didn't go through the 10371 // usual installation process. We can calculate it again, like we 10372 // do during install time. 10373 // 10374 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 10375 // unnecessary. 10376 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 10377 10378 // Null out the abis so that they can be recalculated. 10379 pkg.applicationInfo.primaryCpuAbi = null; 10380 pkg.applicationInfo.secondaryCpuAbi = null; 10381 if (isMultiArch(pkg.applicationInfo)) { 10382 // Warn if we've set an abiOverride for multi-lib packages.. 10383 // By definition, we need to copy both 32 and 64 bit libraries for 10384 // such packages. 10385 if (pkg.cpuAbiOverride != null 10386 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 10387 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 10388 } 10389 10390 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 10391 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 10392 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 10393 if (extractLibs) { 10394 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10395 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10396 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 10397 useIsaSpecificSubdirs); 10398 } else { 10399 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10400 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 10401 } 10402 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10403 } 10404 10405 maybeThrowExceptionForMultiArchCopy( 10406 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 10407 10408 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 10409 if (extractLibs) { 10410 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10411 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10412 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 10413 useIsaSpecificSubdirs); 10414 } else { 10415 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10416 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 10417 } 10418 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10419 } 10420 10421 maybeThrowExceptionForMultiArchCopy( 10422 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 10423 10424 if (abi64 >= 0) { 10425 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 10426 } 10427 10428 if (abi32 >= 0) { 10429 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 10430 if (abi64 >= 0) { 10431 if (pkg.use32bitAbi) { 10432 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 10433 pkg.applicationInfo.primaryCpuAbi = abi; 10434 } else { 10435 pkg.applicationInfo.secondaryCpuAbi = abi; 10436 } 10437 } else { 10438 pkg.applicationInfo.primaryCpuAbi = abi; 10439 } 10440 } 10441 10442 } else { 10443 String[] abiList = (cpuAbiOverride != null) ? 10444 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 10445 10446 // Enable gross and lame hacks for apps that are built with old 10447 // SDK tools. We must scan their APKs for renderscript bitcode and 10448 // not launch them if it's present. Don't bother checking on devices 10449 // that don't have 64 bit support. 10450 boolean needsRenderScriptOverride = false; 10451 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 10452 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 10453 abiList = Build.SUPPORTED_32_BIT_ABIS; 10454 needsRenderScriptOverride = true; 10455 } 10456 10457 final int copyRet; 10458 if (extractLibs) { 10459 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10460 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10461 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 10462 } else { 10463 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10464 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 10465 } 10466 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10467 10468 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 10469 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 10470 "Error unpackaging native libs for app, errorCode=" + copyRet); 10471 } 10472 10473 if (copyRet >= 0) { 10474 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 10475 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 10476 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 10477 } else if (needsRenderScriptOverride) { 10478 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 10479 } 10480 } 10481 } catch (IOException ioe) { 10482 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 10483 } finally { 10484 IoUtils.closeQuietly(handle); 10485 } 10486 10487 // Now that we've calculated the ABIs and determined if it's an internal app, 10488 // we will go ahead and populate the nativeLibraryPath. 10489 setNativeLibraryPaths(pkg, appLib32InstallDir); 10490 } 10491 10492 /** 10493 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 10494 * i.e, so that all packages can be run inside a single process if required. 10495 * 10496 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 10497 * this function will either try and make the ABI for all packages in {@code packagesForUser} 10498 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 10499 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 10500 * updating a package that belongs to a shared user. 10501 * 10502 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 10503 * adds unnecessary complexity. 10504 */ 10505 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 10506 PackageParser.Package scannedPackage) { 10507 String requiredInstructionSet = null; 10508 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 10509 requiredInstructionSet = VMRuntime.getInstructionSet( 10510 scannedPackage.applicationInfo.primaryCpuAbi); 10511 } 10512 10513 PackageSetting requirer = null; 10514 for (PackageSetting ps : packagesForUser) { 10515 // If packagesForUser contains scannedPackage, we skip it. This will happen 10516 // when scannedPackage is an update of an existing package. Without this check, 10517 // we will never be able to change the ABI of any package belonging to a shared 10518 // user, even if it's compatible with other packages. 10519 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10520 if (ps.primaryCpuAbiString == null) { 10521 continue; 10522 } 10523 10524 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 10525 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 10526 // We have a mismatch between instruction sets (say arm vs arm64) warn about 10527 // this but there's not much we can do. 10528 String errorMessage = "Instruction set mismatch, " 10529 + ((requirer == null) ? "[caller]" : requirer) 10530 + " requires " + requiredInstructionSet + " whereas " + ps 10531 + " requires " + instructionSet; 10532 Slog.w(TAG, errorMessage); 10533 } 10534 10535 if (requiredInstructionSet == null) { 10536 requiredInstructionSet = instructionSet; 10537 requirer = ps; 10538 } 10539 } 10540 } 10541 10542 if (requiredInstructionSet != null) { 10543 String adjustedAbi; 10544 if (requirer != null) { 10545 // requirer != null implies that either scannedPackage was null or that scannedPackage 10546 // did not require an ABI, in which case we have to adjust scannedPackage to match 10547 // the ABI of the set (which is the same as requirer's ABI) 10548 adjustedAbi = requirer.primaryCpuAbiString; 10549 if (scannedPackage != null) { 10550 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 10551 } 10552 } else { 10553 // requirer == null implies that we're updating all ABIs in the set to 10554 // match scannedPackage. 10555 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 10556 } 10557 10558 for (PackageSetting ps : packagesForUser) { 10559 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10560 if (ps.primaryCpuAbiString != null) { 10561 continue; 10562 } 10563 10564 ps.primaryCpuAbiString = adjustedAbi; 10565 if (ps.pkg != null && ps.pkg.applicationInfo != null && 10566 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 10567 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 10568 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 10569 + " (requirer=" 10570 + (requirer != null ? requirer.pkg : "null") 10571 + ", scannedPackage=" 10572 + (scannedPackage != null ? scannedPackage : "null") 10573 + ")"); 10574 try { 10575 mInstaller.rmdex(ps.codePathString, 10576 getDexCodeInstructionSet(getPreferredInstructionSet())); 10577 } catch (InstallerException ignored) { 10578 } 10579 } 10580 } 10581 } 10582 } 10583 } 10584 10585 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 10586 synchronized (mPackages) { 10587 mResolverReplaced = true; 10588 // Set up information for custom user intent resolution activity. 10589 mResolveActivity.applicationInfo = pkg.applicationInfo; 10590 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 10591 mResolveActivity.packageName = pkg.applicationInfo.packageName; 10592 mResolveActivity.processName = pkg.applicationInfo.packageName; 10593 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10594 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 10595 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10596 mResolveActivity.theme = 0; 10597 mResolveActivity.exported = true; 10598 mResolveActivity.enabled = true; 10599 mResolveInfo.activityInfo = mResolveActivity; 10600 mResolveInfo.priority = 0; 10601 mResolveInfo.preferredOrder = 0; 10602 mResolveInfo.match = 0; 10603 mResolveComponentName = mCustomResolverComponentName; 10604 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 10605 mResolveComponentName); 10606 } 10607 } 10608 10609 private void setUpInstantAppInstallerActivityLP(ComponentName installerComponent) { 10610 if (installerComponent == null) { 10611 if (DEBUG_EPHEMERAL) { 10612 Slog.d(TAG, "Clear ephemeral installer activity"); 10613 } 10614 mInstantAppInstallerActivity.applicationInfo = null; 10615 return; 10616 } 10617 10618 if (DEBUG_EPHEMERAL) { 10619 Slog.d(TAG, "Set ephemeral installer activity: " + installerComponent); 10620 } 10621 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 10622 // Set up information for ephemeral installer activity 10623 mInstantAppInstallerActivity.applicationInfo = pkg.applicationInfo; 10624 mInstantAppInstallerActivity.name = installerComponent.getClassName(); 10625 mInstantAppInstallerActivity.packageName = pkg.applicationInfo.packageName; 10626 mInstantAppInstallerActivity.processName = pkg.applicationInfo.packageName; 10627 mInstantAppInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10628 mInstantAppInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 10629 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10630 mInstantAppInstallerActivity.theme = 0; 10631 mInstantAppInstallerActivity.exported = true; 10632 mInstantAppInstallerActivity.enabled = true; 10633 mInstantAppInstallerInfo.activityInfo = mInstantAppInstallerActivity; 10634 mInstantAppInstallerInfo.priority = 0; 10635 mInstantAppInstallerInfo.preferredOrder = 1; 10636 mInstantAppInstallerInfo.isDefault = true; 10637 mInstantAppInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 10638 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 10639 } 10640 10641 private static String calculateBundledApkRoot(final String codePathString) { 10642 final File codePath = new File(codePathString); 10643 final File codeRoot; 10644 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 10645 codeRoot = Environment.getRootDirectory(); 10646 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 10647 codeRoot = Environment.getOemDirectory(); 10648 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 10649 codeRoot = Environment.getVendorDirectory(); 10650 } else { 10651 // Unrecognized code path; take its top real segment as the apk root: 10652 // e.g. /something/app/blah.apk => /something 10653 try { 10654 File f = codePath.getCanonicalFile(); 10655 File parent = f.getParentFile(); // non-null because codePath is a file 10656 File tmp; 10657 while ((tmp = parent.getParentFile()) != null) { 10658 f = parent; 10659 parent = tmp; 10660 } 10661 codeRoot = f; 10662 Slog.w(TAG, "Unrecognized code path " 10663 + codePath + " - using " + codeRoot); 10664 } catch (IOException e) { 10665 // Can't canonicalize the code path -- shenanigans? 10666 Slog.w(TAG, "Can't canonicalize code path " + codePath); 10667 return Environment.getRootDirectory().getPath(); 10668 } 10669 } 10670 return codeRoot.getPath(); 10671 } 10672 10673 /** 10674 * Derive and set the location of native libraries for the given package, 10675 * which varies depending on where and how the package was installed. 10676 */ 10677 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 10678 final ApplicationInfo info = pkg.applicationInfo; 10679 final String codePath = pkg.codePath; 10680 final File codeFile = new File(codePath); 10681 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 10682 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 10683 10684 info.nativeLibraryRootDir = null; 10685 info.nativeLibraryRootRequiresIsa = false; 10686 info.nativeLibraryDir = null; 10687 info.secondaryNativeLibraryDir = null; 10688 10689 if (isApkFile(codeFile)) { 10690 // Monolithic install 10691 if (bundledApp) { 10692 // If "/system/lib64/apkname" exists, assume that is the per-package 10693 // native library directory to use; otherwise use "/system/lib/apkname". 10694 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 10695 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 10696 getPrimaryInstructionSet(info)); 10697 10698 // This is a bundled system app so choose the path based on the ABI. 10699 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 10700 // is just the default path. 10701 final String apkName = deriveCodePathName(codePath); 10702 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 10703 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 10704 apkName).getAbsolutePath(); 10705 10706 if (info.secondaryCpuAbi != null) { 10707 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 10708 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 10709 secondaryLibDir, apkName).getAbsolutePath(); 10710 } 10711 } else if (asecApp) { 10712 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 10713 .getAbsolutePath(); 10714 } else { 10715 final String apkName = deriveCodePathName(codePath); 10716 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 10717 .getAbsolutePath(); 10718 } 10719 10720 info.nativeLibraryRootRequiresIsa = false; 10721 info.nativeLibraryDir = info.nativeLibraryRootDir; 10722 } else { 10723 // Cluster install 10724 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 10725 info.nativeLibraryRootRequiresIsa = true; 10726 10727 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 10728 getPrimaryInstructionSet(info)).getAbsolutePath(); 10729 10730 if (info.secondaryCpuAbi != null) { 10731 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 10732 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 10733 } 10734 } 10735 } 10736 10737 /** 10738 * Calculate the abis and roots for a bundled app. These can uniquely 10739 * be determined from the contents of the system partition, i.e whether 10740 * it contains 64 or 32 bit shared libraries etc. We do not validate any 10741 * of this information, and instead assume that the system was built 10742 * sensibly. 10743 */ 10744 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 10745 PackageSetting pkgSetting) { 10746 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 10747 10748 // If "/system/lib64/apkname" exists, assume that is the per-package 10749 // native library directory to use; otherwise use "/system/lib/apkname". 10750 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 10751 setBundledAppAbi(pkg, apkRoot, apkName); 10752 // pkgSetting might be null during rescan following uninstall of updates 10753 // to a bundled app, so accommodate that possibility. The settings in 10754 // that case will be established later from the parsed package. 10755 // 10756 // If the settings aren't null, sync them up with what we've just derived. 10757 // note that apkRoot isn't stored in the package settings. 10758 if (pkgSetting != null) { 10759 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10760 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10761 } 10762 } 10763 10764 /** 10765 * Deduces the ABI of a bundled app and sets the relevant fields on the 10766 * parsed pkg object. 10767 * 10768 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 10769 * under which system libraries are installed. 10770 * @param apkName the name of the installed package. 10771 */ 10772 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 10773 final File codeFile = new File(pkg.codePath); 10774 10775 final boolean has64BitLibs; 10776 final boolean has32BitLibs; 10777 if (isApkFile(codeFile)) { 10778 // Monolithic install 10779 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 10780 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 10781 } else { 10782 // Cluster install 10783 final File rootDir = new File(codeFile, LIB_DIR_NAME); 10784 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 10785 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 10786 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 10787 has64BitLibs = (new File(rootDir, isa)).exists(); 10788 } else { 10789 has64BitLibs = false; 10790 } 10791 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 10792 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 10793 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 10794 has32BitLibs = (new File(rootDir, isa)).exists(); 10795 } else { 10796 has32BitLibs = false; 10797 } 10798 } 10799 10800 if (has64BitLibs && !has32BitLibs) { 10801 // The package has 64 bit libs, but not 32 bit libs. Its primary 10802 // ABI should be 64 bit. We can safely assume here that the bundled 10803 // native libraries correspond to the most preferred ABI in the list. 10804 10805 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10806 pkg.applicationInfo.secondaryCpuAbi = null; 10807 } else if (has32BitLibs && !has64BitLibs) { 10808 // The package has 32 bit libs but not 64 bit libs. Its primary 10809 // ABI should be 32 bit. 10810 10811 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10812 pkg.applicationInfo.secondaryCpuAbi = null; 10813 } else if (has32BitLibs && has64BitLibs) { 10814 // The application has both 64 and 32 bit bundled libraries. We check 10815 // here that the app declares multiArch support, and warn if it doesn't. 10816 // 10817 // We will be lenient here and record both ABIs. The primary will be the 10818 // ABI that's higher on the list, i.e, a device that's configured to prefer 10819 // 64 bit apps will see a 64 bit primary ABI, 10820 10821 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 10822 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 10823 } 10824 10825 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 10826 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10827 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10828 } else { 10829 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10830 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10831 } 10832 } else { 10833 pkg.applicationInfo.primaryCpuAbi = null; 10834 pkg.applicationInfo.secondaryCpuAbi = null; 10835 } 10836 } 10837 10838 private void killApplication(String pkgName, int appId, String reason) { 10839 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 10840 } 10841 10842 private void killApplication(String pkgName, int appId, int userId, String reason) { 10843 // Request the ActivityManager to kill the process(only for existing packages) 10844 // so that we do not end up in a confused state while the user is still using the older 10845 // version of the application while the new one gets installed. 10846 final long token = Binder.clearCallingIdentity(); 10847 try { 10848 IActivityManager am = ActivityManager.getService(); 10849 if (am != null) { 10850 try { 10851 am.killApplication(pkgName, appId, userId, reason); 10852 } catch (RemoteException e) { 10853 } 10854 } 10855 } finally { 10856 Binder.restoreCallingIdentity(token); 10857 } 10858 } 10859 10860 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 10861 // Remove the parent package setting 10862 PackageSetting ps = (PackageSetting) pkg.mExtras; 10863 if (ps != null) { 10864 removePackageLI(ps, chatty); 10865 } 10866 // Remove the child package setting 10867 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10868 for (int i = 0; i < childCount; i++) { 10869 PackageParser.Package childPkg = pkg.childPackages.get(i); 10870 ps = (PackageSetting) childPkg.mExtras; 10871 if (ps != null) { 10872 removePackageLI(ps, chatty); 10873 } 10874 } 10875 } 10876 10877 void removePackageLI(PackageSetting ps, boolean chatty) { 10878 if (DEBUG_INSTALL) { 10879 if (chatty) 10880 Log.d(TAG, "Removing package " + ps.name); 10881 } 10882 10883 // writer 10884 synchronized (mPackages) { 10885 mPackages.remove(ps.name); 10886 final PackageParser.Package pkg = ps.pkg; 10887 if (pkg != null) { 10888 cleanPackageDataStructuresLILPw(pkg, chatty); 10889 } 10890 } 10891 } 10892 10893 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 10894 if (DEBUG_INSTALL) { 10895 if (chatty) 10896 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 10897 } 10898 10899 // writer 10900 synchronized (mPackages) { 10901 // Remove the parent package 10902 mPackages.remove(pkg.applicationInfo.packageName); 10903 cleanPackageDataStructuresLILPw(pkg, chatty); 10904 10905 // Remove the child packages 10906 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10907 for (int i = 0; i < childCount; i++) { 10908 PackageParser.Package childPkg = pkg.childPackages.get(i); 10909 mPackages.remove(childPkg.applicationInfo.packageName); 10910 cleanPackageDataStructuresLILPw(childPkg, chatty); 10911 } 10912 } 10913 } 10914 10915 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 10916 int N = pkg.providers.size(); 10917 StringBuilder r = null; 10918 int i; 10919 for (i=0; i<N; i++) { 10920 PackageParser.Provider p = pkg.providers.get(i); 10921 mProviders.removeProvider(p); 10922 if (p.info.authority == null) { 10923 10924 /* There was another ContentProvider with this authority when 10925 * this app was installed so this authority is null, 10926 * Ignore it as we don't have to unregister the provider. 10927 */ 10928 continue; 10929 } 10930 String names[] = p.info.authority.split(";"); 10931 for (int j = 0; j < names.length; j++) { 10932 if (mProvidersByAuthority.get(names[j]) == p) { 10933 mProvidersByAuthority.remove(names[j]); 10934 if (DEBUG_REMOVE) { 10935 if (chatty) 10936 Log.d(TAG, "Unregistered content provider: " + names[j] 10937 + ", className = " + p.info.name + ", isSyncable = " 10938 + p.info.isSyncable); 10939 } 10940 } 10941 } 10942 if (DEBUG_REMOVE && chatty) { 10943 if (r == null) { 10944 r = new StringBuilder(256); 10945 } else { 10946 r.append(' '); 10947 } 10948 r.append(p.info.name); 10949 } 10950 } 10951 if (r != null) { 10952 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 10953 } 10954 10955 N = pkg.services.size(); 10956 r = null; 10957 for (i=0; i<N; i++) { 10958 PackageParser.Service s = pkg.services.get(i); 10959 mServices.removeService(s); 10960 if (chatty) { 10961 if (r == null) { 10962 r = new StringBuilder(256); 10963 } else { 10964 r.append(' '); 10965 } 10966 r.append(s.info.name); 10967 } 10968 } 10969 if (r != null) { 10970 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 10971 } 10972 10973 N = pkg.receivers.size(); 10974 r = null; 10975 for (i=0; i<N; i++) { 10976 PackageParser.Activity a = pkg.receivers.get(i); 10977 mReceivers.removeActivity(a, "receiver"); 10978 if (DEBUG_REMOVE && chatty) { 10979 if (r == null) { 10980 r = new StringBuilder(256); 10981 } else { 10982 r.append(' '); 10983 } 10984 r.append(a.info.name); 10985 } 10986 } 10987 if (r != null) { 10988 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 10989 } 10990 10991 N = pkg.activities.size(); 10992 r = null; 10993 for (i=0; i<N; i++) { 10994 PackageParser.Activity a = pkg.activities.get(i); 10995 mActivities.removeActivity(a, "activity"); 10996 if (DEBUG_REMOVE && chatty) { 10997 if (r == null) { 10998 r = new StringBuilder(256); 10999 } else { 11000 r.append(' '); 11001 } 11002 r.append(a.info.name); 11003 } 11004 } 11005 if (r != null) { 11006 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 11007 } 11008 11009 N = pkg.permissions.size(); 11010 r = null; 11011 for (i=0; i<N; i++) { 11012 PackageParser.Permission p = pkg.permissions.get(i); 11013 BasePermission bp = mSettings.mPermissions.get(p.info.name); 11014 if (bp == null) { 11015 bp = mSettings.mPermissionTrees.get(p.info.name); 11016 } 11017 if (bp != null && bp.perm == p) { 11018 bp.perm = null; 11019 if (DEBUG_REMOVE && chatty) { 11020 if (r == null) { 11021 r = new StringBuilder(256); 11022 } else { 11023 r.append(' '); 11024 } 11025 r.append(p.info.name); 11026 } 11027 } 11028 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11029 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 11030 if (appOpPkgs != null) { 11031 appOpPkgs.remove(pkg.packageName); 11032 } 11033 } 11034 } 11035 if (r != null) { 11036 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11037 } 11038 11039 N = pkg.requestedPermissions.size(); 11040 r = null; 11041 for (i=0; i<N; i++) { 11042 String perm = pkg.requestedPermissions.get(i); 11043 BasePermission bp = mSettings.mPermissions.get(perm); 11044 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11045 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 11046 if (appOpPkgs != null) { 11047 appOpPkgs.remove(pkg.packageName); 11048 if (appOpPkgs.isEmpty()) { 11049 mAppOpPermissionPackages.remove(perm); 11050 } 11051 } 11052 } 11053 } 11054 if (r != null) { 11055 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11056 } 11057 11058 N = pkg.instrumentation.size(); 11059 r = null; 11060 for (i=0; i<N; i++) { 11061 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11062 mInstrumentation.remove(a.getComponentName()); 11063 if (DEBUG_REMOVE && chatty) { 11064 if (r == null) { 11065 r = new StringBuilder(256); 11066 } else { 11067 r.append(' '); 11068 } 11069 r.append(a.info.name); 11070 } 11071 } 11072 if (r != null) { 11073 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 11074 } 11075 11076 r = null; 11077 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 11078 // Only system apps can hold shared libraries. 11079 if (pkg.libraryNames != null) { 11080 for (i = 0; i < pkg.libraryNames.size(); i++) { 11081 String name = pkg.libraryNames.get(i); 11082 if (removeSharedLibraryLPw(name, 0)) { 11083 if (DEBUG_REMOVE && chatty) { 11084 if (r == null) { 11085 r = new StringBuilder(256); 11086 } else { 11087 r.append(' '); 11088 } 11089 r.append(name); 11090 } 11091 } 11092 } 11093 } 11094 } 11095 11096 r = null; 11097 11098 // Any package can hold static shared libraries. 11099 if (pkg.staticSharedLibName != null) { 11100 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 11101 if (DEBUG_REMOVE && chatty) { 11102 if (r == null) { 11103 r = new StringBuilder(256); 11104 } else { 11105 r.append(' '); 11106 } 11107 r.append(pkg.staticSharedLibName); 11108 } 11109 } 11110 } 11111 11112 if (r != null) { 11113 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 11114 } 11115 } 11116 11117 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 11118 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 11119 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 11120 return true; 11121 } 11122 } 11123 return false; 11124 } 11125 11126 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 11127 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 11128 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 11129 11130 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 11131 // Update the parent permissions 11132 updatePermissionsLPw(pkg.packageName, pkg, flags); 11133 // Update the child permissions 11134 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11135 for (int i = 0; i < childCount; i++) { 11136 PackageParser.Package childPkg = pkg.childPackages.get(i); 11137 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 11138 } 11139 } 11140 11141 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 11142 int flags) { 11143 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 11144 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 11145 } 11146 11147 private void updatePermissionsLPw(String changingPkg, 11148 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 11149 // Make sure there are no dangling permission trees. 11150 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 11151 while (it.hasNext()) { 11152 final BasePermission bp = it.next(); 11153 if (bp.packageSetting == null) { 11154 // We may not yet have parsed the package, so just see if 11155 // we still know about its settings. 11156 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11157 } 11158 if (bp.packageSetting == null) { 11159 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 11160 + " from package " + bp.sourcePackage); 11161 it.remove(); 11162 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11163 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11164 Slog.i(TAG, "Removing old permission tree: " + bp.name 11165 + " from package " + bp.sourcePackage); 11166 flags |= UPDATE_PERMISSIONS_ALL; 11167 it.remove(); 11168 } 11169 } 11170 } 11171 11172 // Make sure all dynamic permissions have been assigned to a package, 11173 // and make sure there are no dangling permissions. 11174 it = mSettings.mPermissions.values().iterator(); 11175 while (it.hasNext()) { 11176 final BasePermission bp = it.next(); 11177 if (bp.type == BasePermission.TYPE_DYNAMIC) { 11178 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 11179 + bp.name + " pkg=" + bp.sourcePackage 11180 + " info=" + bp.pendingInfo); 11181 if (bp.packageSetting == null && bp.pendingInfo != null) { 11182 final BasePermission tree = findPermissionTreeLP(bp.name); 11183 if (tree != null && tree.perm != null) { 11184 bp.packageSetting = tree.packageSetting; 11185 bp.perm = new PackageParser.Permission(tree.perm.owner, 11186 new PermissionInfo(bp.pendingInfo)); 11187 bp.perm.info.packageName = tree.perm.info.packageName; 11188 bp.perm.info.name = bp.name; 11189 bp.uid = tree.uid; 11190 } 11191 } 11192 } 11193 if (bp.packageSetting == null) { 11194 // We may not yet have parsed the package, so just see if 11195 // we still know about its settings. 11196 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11197 } 11198 if (bp.packageSetting == null) { 11199 Slog.w(TAG, "Removing dangling permission: " + bp.name 11200 + " from package " + bp.sourcePackage); 11201 it.remove(); 11202 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11203 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11204 Slog.i(TAG, "Removing old permission: " + bp.name 11205 + " from package " + bp.sourcePackage); 11206 flags |= UPDATE_PERMISSIONS_ALL; 11207 it.remove(); 11208 } 11209 } 11210 } 11211 11212 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 11213 // Now update the permissions for all packages, in particular 11214 // replace the granted permissions of the system packages. 11215 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 11216 for (PackageParser.Package pkg : mPackages.values()) { 11217 if (pkg != pkgInfo) { 11218 // Only replace for packages on requested volume 11219 final String volumeUuid = getVolumeUuidForPackage(pkg); 11220 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 11221 && Objects.equals(replaceVolumeUuid, volumeUuid); 11222 grantPermissionsLPw(pkg, replace, changingPkg); 11223 } 11224 } 11225 } 11226 11227 if (pkgInfo != null) { 11228 // Only replace for packages on requested volume 11229 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 11230 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 11231 && Objects.equals(replaceVolumeUuid, volumeUuid); 11232 grantPermissionsLPw(pkgInfo, replace, changingPkg); 11233 } 11234 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11235 } 11236 11237 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 11238 String packageOfInterest) { 11239 // IMPORTANT: There are two types of permissions: install and runtime. 11240 // Install time permissions are granted when the app is installed to 11241 // all device users and users added in the future. Runtime permissions 11242 // are granted at runtime explicitly to specific users. Normal and signature 11243 // protected permissions are install time permissions. Dangerous permissions 11244 // are install permissions if the app's target SDK is Lollipop MR1 or older, 11245 // otherwise they are runtime permissions. This function does not manage 11246 // runtime permissions except for the case an app targeting Lollipop MR1 11247 // being upgraded to target a newer SDK, in which case dangerous permissions 11248 // are transformed from install time to runtime ones. 11249 11250 final PackageSetting ps = (PackageSetting) pkg.mExtras; 11251 if (ps == null) { 11252 return; 11253 } 11254 11255 PermissionsState permissionsState = ps.getPermissionsState(); 11256 PermissionsState origPermissions = permissionsState; 11257 11258 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 11259 11260 boolean runtimePermissionsRevoked = false; 11261 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 11262 11263 boolean changedInstallPermission = false; 11264 11265 if (replace) { 11266 ps.installPermissionsFixed = false; 11267 if (!ps.isSharedUser()) { 11268 origPermissions = new PermissionsState(permissionsState); 11269 permissionsState.reset(); 11270 } else { 11271 // We need to know only about runtime permission changes since the 11272 // calling code always writes the install permissions state but 11273 // the runtime ones are written only if changed. The only cases of 11274 // changed runtime permissions here are promotion of an install to 11275 // runtime and revocation of a runtime from a shared user. 11276 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 11277 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 11278 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 11279 runtimePermissionsRevoked = true; 11280 } 11281 } 11282 } 11283 11284 permissionsState.setGlobalGids(mGlobalGids); 11285 11286 final int N = pkg.requestedPermissions.size(); 11287 for (int i=0; i<N; i++) { 11288 final String name = pkg.requestedPermissions.get(i); 11289 final BasePermission bp = mSettings.mPermissions.get(name); 11290 11291 if (DEBUG_INSTALL) { 11292 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 11293 } 11294 11295 if (bp == null || bp.packageSetting == null) { 11296 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11297 Slog.w(TAG, "Unknown permission " + name 11298 + " in package " + pkg.packageName); 11299 } 11300 continue; 11301 } 11302 11303 11304 // Limit ephemeral apps to ephemeral allowed permissions. 11305 if (pkg.applicationInfo.isInstantApp() && !bp.isInstant()) { 11306 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 11307 + pkg.packageName); 11308 continue; 11309 } 11310 11311 final String perm = bp.name; 11312 boolean allowedSig = false; 11313 int grant = GRANT_DENIED; 11314 11315 // Keep track of app op permissions. 11316 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11317 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 11318 if (pkgs == null) { 11319 pkgs = new ArraySet<>(); 11320 mAppOpPermissionPackages.put(bp.name, pkgs); 11321 } 11322 pkgs.add(pkg.packageName); 11323 } 11324 11325 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 11326 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 11327 >= Build.VERSION_CODES.M; 11328 switch (level) { 11329 case PermissionInfo.PROTECTION_NORMAL: { 11330 // For all apps normal permissions are install time ones. 11331 grant = GRANT_INSTALL; 11332 } break; 11333 11334 case PermissionInfo.PROTECTION_DANGEROUS: { 11335 // If a permission review is required for legacy apps we represent 11336 // their permissions as always granted runtime ones since we need 11337 // to keep the review required permission flag per user while an 11338 // install permission's state is shared across all users. 11339 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 11340 // For legacy apps dangerous permissions are install time ones. 11341 grant = GRANT_INSTALL; 11342 } else if (origPermissions.hasInstallPermission(bp.name)) { 11343 // For legacy apps that became modern, install becomes runtime. 11344 grant = GRANT_UPGRADE; 11345 } else if (mPromoteSystemApps 11346 && isSystemApp(ps) 11347 && mExistingSystemPackages.contains(ps.name)) { 11348 // For legacy system apps, install becomes runtime. 11349 // We cannot check hasInstallPermission() for system apps since those 11350 // permissions were granted implicitly and not persisted pre-M. 11351 grant = GRANT_UPGRADE; 11352 } else { 11353 // For modern apps keep runtime permissions unchanged. 11354 grant = GRANT_RUNTIME; 11355 } 11356 } break; 11357 11358 case PermissionInfo.PROTECTION_SIGNATURE: { 11359 // For all apps signature permissions are install time ones. 11360 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 11361 if (allowedSig) { 11362 grant = GRANT_INSTALL; 11363 } 11364 } break; 11365 } 11366 11367 if (DEBUG_INSTALL) { 11368 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 11369 } 11370 11371 if (grant != GRANT_DENIED) { 11372 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 11373 // If this is an existing, non-system package, then 11374 // we can't add any new permissions to it. 11375 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 11376 // Except... if this is a permission that was added 11377 // to the platform (note: need to only do this when 11378 // updating the platform). 11379 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 11380 grant = GRANT_DENIED; 11381 } 11382 } 11383 } 11384 11385 switch (grant) { 11386 case GRANT_INSTALL: { 11387 // Revoke this as runtime permission to handle the case of 11388 // a runtime permission being downgraded to an install one. 11389 // Also in permission review mode we keep dangerous permissions 11390 // for legacy apps 11391 for (int userId : UserManagerService.getInstance().getUserIds()) { 11392 if (origPermissions.getRuntimePermissionState( 11393 bp.name, userId) != null) { 11394 // Revoke the runtime permission and clear the flags. 11395 origPermissions.revokeRuntimePermission(bp, userId); 11396 origPermissions.updatePermissionFlags(bp, userId, 11397 PackageManager.MASK_PERMISSION_FLAGS, 0); 11398 // If we revoked a permission permission, we have to write. 11399 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11400 changedRuntimePermissionUserIds, userId); 11401 } 11402 } 11403 // Grant an install permission. 11404 if (permissionsState.grantInstallPermission(bp) != 11405 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11406 changedInstallPermission = true; 11407 } 11408 } break; 11409 11410 case GRANT_RUNTIME: { 11411 // Grant previously granted runtime permissions. 11412 for (int userId : UserManagerService.getInstance().getUserIds()) { 11413 PermissionState permissionState = origPermissions 11414 .getRuntimePermissionState(bp.name, userId); 11415 int flags = permissionState != null 11416 ? permissionState.getFlags() : 0; 11417 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 11418 // Don't propagate the permission in a permission review mode if 11419 // the former was revoked, i.e. marked to not propagate on upgrade. 11420 // Note that in a permission review mode install permissions are 11421 // represented as constantly granted runtime ones since we need to 11422 // keep a per user state associated with the permission. Also the 11423 // revoke on upgrade flag is no longer applicable and is reset. 11424 final boolean revokeOnUpgrade = (flags & PackageManager 11425 .FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 11426 if (revokeOnUpgrade) { 11427 flags &= ~PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 11428 // Since we changed the flags, we have to write. 11429 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11430 changedRuntimePermissionUserIds, userId); 11431 } 11432 if (!mPermissionReviewRequired || !revokeOnUpgrade) { 11433 if (permissionsState.grantRuntimePermission(bp, userId) == 11434 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11435 // If we cannot put the permission as it was, 11436 // we have to write. 11437 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11438 changedRuntimePermissionUserIds, userId); 11439 } 11440 } 11441 11442 // If the app supports runtime permissions no need for a review. 11443 if (mPermissionReviewRequired 11444 && appSupportsRuntimePermissions 11445 && (flags & PackageManager 11446 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 11447 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 11448 // Since we changed the flags, we have to write. 11449 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11450 changedRuntimePermissionUserIds, userId); 11451 } 11452 } else if (mPermissionReviewRequired 11453 && !appSupportsRuntimePermissions) { 11454 // For legacy apps that need a permission review, every new 11455 // runtime permission is granted but it is pending a review. 11456 // We also need to review only platform defined runtime 11457 // permissions as these are the only ones the platform knows 11458 // how to disable the API to simulate revocation as legacy 11459 // apps don't expect to run with revoked permissions. 11460 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 11461 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 11462 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 11463 // We changed the flags, hence have to write. 11464 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11465 changedRuntimePermissionUserIds, userId); 11466 } 11467 } 11468 if (permissionsState.grantRuntimePermission(bp, userId) 11469 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11470 // We changed the permission, hence have to write. 11471 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11472 changedRuntimePermissionUserIds, userId); 11473 } 11474 } 11475 // Propagate the permission flags. 11476 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 11477 } 11478 } break; 11479 11480 case GRANT_UPGRADE: { 11481 // Grant runtime permissions for a previously held install permission. 11482 PermissionState permissionState = origPermissions 11483 .getInstallPermissionState(bp.name); 11484 final int flags = permissionState != null ? permissionState.getFlags() : 0; 11485 11486 if (origPermissions.revokeInstallPermission(bp) 11487 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11488 // We will be transferring the permission flags, so clear them. 11489 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 11490 PackageManager.MASK_PERMISSION_FLAGS, 0); 11491 changedInstallPermission = true; 11492 } 11493 11494 // If the permission is not to be promoted to runtime we ignore it and 11495 // also its other flags as they are not applicable to install permissions. 11496 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 11497 for (int userId : currentUserIds) { 11498 if (permissionsState.grantRuntimePermission(bp, userId) != 11499 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11500 // Transfer the permission flags. 11501 permissionsState.updatePermissionFlags(bp, userId, 11502 flags, flags); 11503 // If we granted the permission, we have to write. 11504 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11505 changedRuntimePermissionUserIds, userId); 11506 } 11507 } 11508 } 11509 } break; 11510 11511 default: { 11512 if (packageOfInterest == null 11513 || packageOfInterest.equals(pkg.packageName)) { 11514 Slog.w(TAG, "Not granting permission " + perm 11515 + " to package " + pkg.packageName 11516 + " because it was previously installed without"); 11517 } 11518 } break; 11519 } 11520 } else { 11521 if (permissionsState.revokeInstallPermission(bp) != 11522 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11523 // Also drop the permission flags. 11524 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 11525 PackageManager.MASK_PERMISSION_FLAGS, 0); 11526 changedInstallPermission = true; 11527 Slog.i(TAG, "Un-granting permission " + perm 11528 + " from package " + pkg.packageName 11529 + " (protectionLevel=" + bp.protectionLevel 11530 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11531 + ")"); 11532 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 11533 // Don't print warning for app op permissions, since it is fine for them 11534 // not to be granted, there is a UI for the user to decide. 11535 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11536 Slog.w(TAG, "Not granting permission " + perm 11537 + " to package " + pkg.packageName 11538 + " (protectionLevel=" + bp.protectionLevel 11539 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11540 + ")"); 11541 } 11542 } 11543 } 11544 } 11545 11546 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 11547 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 11548 // This is the first that we have heard about this package, so the 11549 // permissions we have now selected are fixed until explicitly 11550 // changed. 11551 ps.installPermissionsFixed = true; 11552 } 11553 11554 // Persist the runtime permissions state for users with changes. If permissions 11555 // were revoked because no app in the shared user declares them we have to 11556 // write synchronously to avoid losing runtime permissions state. 11557 for (int userId : changedRuntimePermissionUserIds) { 11558 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 11559 } 11560 } 11561 11562 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 11563 boolean allowed = false; 11564 final int NP = PackageParser.NEW_PERMISSIONS.length; 11565 for (int ip=0; ip<NP; ip++) { 11566 final PackageParser.NewPermissionInfo npi 11567 = PackageParser.NEW_PERMISSIONS[ip]; 11568 if (npi.name.equals(perm) 11569 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 11570 allowed = true; 11571 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 11572 + pkg.packageName); 11573 break; 11574 } 11575 } 11576 return allowed; 11577 } 11578 11579 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 11580 BasePermission bp, PermissionsState origPermissions) { 11581 boolean privilegedPermission = (bp.protectionLevel 11582 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 11583 boolean privappPermissionsDisable = 11584 RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; 11585 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 11586 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 11587 if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivilegedApp() 11588 && !platformPackage && platformPermission) { 11589 ArraySet<String> wlPermissions = SystemConfig.getInstance() 11590 .getPrivAppPermissions(pkg.packageName); 11591 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 11592 if (!whitelisted) { 11593 Slog.w(TAG, "Privileged permission " + perm + " for package " 11594 + pkg.packageName + " - not in privapp-permissions whitelist"); 11595 // Only report violations for apps on system image 11596 if (!mSystemReady && !pkg.isUpdatedSystemApp()) { 11597 if (mPrivappPermissionsViolations == null) { 11598 mPrivappPermissionsViolations = new ArraySet<>(); 11599 } 11600 mPrivappPermissionsViolations.add(pkg.packageName + ": " + perm); 11601 } 11602 if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { 11603 return false; 11604 } 11605 } 11606 } 11607 boolean allowed = (compareSignatures( 11608 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 11609 == PackageManager.SIGNATURE_MATCH) 11610 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 11611 == PackageManager.SIGNATURE_MATCH); 11612 if (!allowed && privilegedPermission) { 11613 if (isSystemApp(pkg)) { 11614 // For updated system applications, a system permission 11615 // is granted only if it had been defined by the original application. 11616 if (pkg.isUpdatedSystemApp()) { 11617 final PackageSetting sysPs = mSettings 11618 .getDisabledSystemPkgLPr(pkg.packageName); 11619 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 11620 // If the original was granted this permission, we take 11621 // that grant decision as read and propagate it to the 11622 // update. 11623 if (sysPs.isPrivileged()) { 11624 allowed = true; 11625 } 11626 } else { 11627 // The system apk may have been updated with an older 11628 // version of the one on the data partition, but which 11629 // granted a new system permission that it didn't have 11630 // before. In this case we do want to allow the app to 11631 // now get the new permission if the ancestral apk is 11632 // privileged to get it. 11633 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 11634 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 11635 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 11636 allowed = true; 11637 break; 11638 } 11639 } 11640 } 11641 // Also if a privileged parent package on the system image or any of 11642 // its children requested a privileged permission, the updated child 11643 // packages can also get the permission. 11644 if (pkg.parentPackage != null) { 11645 final PackageSetting disabledSysParentPs = mSettings 11646 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 11647 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 11648 && disabledSysParentPs.isPrivileged()) { 11649 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 11650 allowed = true; 11651 } else if (disabledSysParentPs.pkg.childPackages != null) { 11652 final int count = disabledSysParentPs.pkg.childPackages.size(); 11653 for (int i = 0; i < count; i++) { 11654 PackageParser.Package disabledSysChildPkg = 11655 disabledSysParentPs.pkg.childPackages.get(i); 11656 if (isPackageRequestingPermission(disabledSysChildPkg, 11657 perm)) { 11658 allowed = true; 11659 break; 11660 } 11661 } 11662 } 11663 } 11664 } 11665 } 11666 } else { 11667 allowed = isPrivilegedApp(pkg); 11668 } 11669 } 11670 } 11671 if (!allowed) { 11672 if (!allowed && (bp.protectionLevel 11673 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 11674 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 11675 // If this was a previously normal/dangerous permission that got moved 11676 // to a system permission as part of the runtime permission redesign, then 11677 // we still want to blindly grant it to old apps. 11678 allowed = true; 11679 } 11680 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 11681 && pkg.packageName.equals(mRequiredInstallerPackage)) { 11682 // If this permission is to be granted to the system installer and 11683 // this app is an installer, then it gets the permission. 11684 allowed = true; 11685 } 11686 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 11687 && pkg.packageName.equals(mRequiredVerifierPackage)) { 11688 // If this permission is to be granted to the system verifier and 11689 // this app is a verifier, then it gets the permission. 11690 allowed = true; 11691 } 11692 if (!allowed && (bp.protectionLevel 11693 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 11694 && isSystemApp(pkg)) { 11695 // Any pre-installed system app is allowed to get this permission. 11696 allowed = true; 11697 } 11698 if (!allowed && (bp.protectionLevel 11699 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 11700 // For development permissions, a development permission 11701 // is granted only if it was already granted. 11702 allowed = origPermissions.hasInstallPermission(perm); 11703 } 11704 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 11705 && pkg.packageName.equals(mSetupWizardPackage)) { 11706 // If this permission is to be granted to the system setup wizard and 11707 // this app is a setup wizard, then it gets the permission. 11708 allowed = true; 11709 } 11710 } 11711 return allowed; 11712 } 11713 11714 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 11715 final int permCount = pkg.requestedPermissions.size(); 11716 for (int j = 0; j < permCount; j++) { 11717 String requestedPermission = pkg.requestedPermissions.get(j); 11718 if (permission.equals(requestedPermission)) { 11719 return true; 11720 } 11721 } 11722 return false; 11723 } 11724 11725 final class ActivityIntentResolver 11726 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 11727 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11728 boolean defaultOnly, int userId) { 11729 if (!sUserManager.exists(userId)) return null; 11730 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0); 11731 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11732 } 11733 11734 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11735 int userId) { 11736 if (!sUserManager.exists(userId)) return null; 11737 mFlags = flags; 11738 return super.queryIntent(intent, resolvedType, 11739 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11740 userId); 11741 } 11742 11743 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11744 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 11745 if (!sUserManager.exists(userId)) return null; 11746 if (packageActivities == null) { 11747 return null; 11748 } 11749 mFlags = flags; 11750 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11751 final int N = packageActivities.size(); 11752 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 11753 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 11754 11755 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 11756 for (int i = 0; i < N; ++i) { 11757 intentFilters = packageActivities.get(i).intents; 11758 if (intentFilters != null && intentFilters.size() > 0) { 11759 PackageParser.ActivityIntentInfo[] array = 11760 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 11761 intentFilters.toArray(array); 11762 listCut.add(array); 11763 } 11764 } 11765 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11766 } 11767 11768 /** 11769 * Finds a privileged activity that matches the specified activity names. 11770 */ 11771 private PackageParser.Activity findMatchingActivity( 11772 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 11773 for (PackageParser.Activity sysActivity : activityList) { 11774 if (sysActivity.info.name.equals(activityInfo.name)) { 11775 return sysActivity; 11776 } 11777 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 11778 return sysActivity; 11779 } 11780 if (sysActivity.info.targetActivity != null) { 11781 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 11782 return sysActivity; 11783 } 11784 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 11785 return sysActivity; 11786 } 11787 } 11788 } 11789 return null; 11790 } 11791 11792 public class IterGenerator<E> { 11793 public Iterator<E> generate(ActivityIntentInfo info) { 11794 return null; 11795 } 11796 } 11797 11798 public class ActionIterGenerator extends IterGenerator<String> { 11799 @Override 11800 public Iterator<String> generate(ActivityIntentInfo info) { 11801 return info.actionsIterator(); 11802 } 11803 } 11804 11805 public class CategoriesIterGenerator extends IterGenerator<String> { 11806 @Override 11807 public Iterator<String> generate(ActivityIntentInfo info) { 11808 return info.categoriesIterator(); 11809 } 11810 } 11811 11812 public class SchemesIterGenerator extends IterGenerator<String> { 11813 @Override 11814 public Iterator<String> generate(ActivityIntentInfo info) { 11815 return info.schemesIterator(); 11816 } 11817 } 11818 11819 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 11820 @Override 11821 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 11822 return info.authoritiesIterator(); 11823 } 11824 } 11825 11826 /** 11827 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 11828 * MODIFIED. Do not pass in a list that should not be changed. 11829 */ 11830 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 11831 IterGenerator<T> generator, Iterator<T> searchIterator) { 11832 // loop through the set of actions; every one must be found in the intent filter 11833 while (searchIterator.hasNext()) { 11834 // we must have at least one filter in the list to consider a match 11835 if (intentList.size() == 0) { 11836 break; 11837 } 11838 11839 final T searchAction = searchIterator.next(); 11840 11841 // loop through the set of intent filters 11842 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 11843 while (intentIter.hasNext()) { 11844 final ActivityIntentInfo intentInfo = intentIter.next(); 11845 boolean selectionFound = false; 11846 11847 // loop through the intent filter's selection criteria; at least one 11848 // of them must match the searched criteria 11849 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 11850 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 11851 final T intentSelection = intentSelectionIter.next(); 11852 if (intentSelection != null && intentSelection.equals(searchAction)) { 11853 selectionFound = true; 11854 break; 11855 } 11856 } 11857 11858 // the selection criteria wasn't found in this filter's set; this filter 11859 // is not a potential match 11860 if (!selectionFound) { 11861 intentIter.remove(); 11862 } 11863 } 11864 } 11865 } 11866 11867 private boolean isProtectedAction(ActivityIntentInfo filter) { 11868 final Iterator<String> actionsIter = filter.actionsIterator(); 11869 while (actionsIter != null && actionsIter.hasNext()) { 11870 final String filterAction = actionsIter.next(); 11871 if (PROTECTED_ACTIONS.contains(filterAction)) { 11872 return true; 11873 } 11874 } 11875 return false; 11876 } 11877 11878 /** 11879 * Adjusts the priority of the given intent filter according to policy. 11880 * <p> 11881 * <ul> 11882 * <li>The priority for non privileged applications is capped to '0'</li> 11883 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 11884 * <li>The priority for unbundled updates to privileged applications is capped to the 11885 * priority defined on the system partition</li> 11886 * </ul> 11887 * <p> 11888 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 11889 * allowed to obtain any priority on any action. 11890 */ 11891 private void adjustPriority( 11892 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 11893 // nothing to do; priority is fine as-is 11894 if (intent.getPriority() <= 0) { 11895 return; 11896 } 11897 11898 final ActivityInfo activityInfo = intent.activity.info; 11899 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 11900 11901 final boolean privilegedApp = 11902 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 11903 if (!privilegedApp) { 11904 // non-privileged applications can never define a priority >0 11905 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 11906 + " package: " + applicationInfo.packageName 11907 + " activity: " + intent.activity.className 11908 + " origPrio: " + intent.getPriority()); 11909 intent.setPriority(0); 11910 return; 11911 } 11912 11913 if (systemActivities == null) { 11914 // the system package is not disabled; we're parsing the system partition 11915 if (isProtectedAction(intent)) { 11916 if (mDeferProtectedFilters) { 11917 // We can't deal with these just yet. No component should ever obtain a 11918 // >0 priority for a protected actions, with ONE exception -- the setup 11919 // wizard. The setup wizard, however, cannot be known until we're able to 11920 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 11921 // until all intent filters have been processed. Chicken, meet egg. 11922 // Let the filter temporarily have a high priority and rectify the 11923 // priorities after all system packages have been scanned. 11924 mProtectedFilters.add(intent); 11925 if (DEBUG_FILTERS) { 11926 Slog.i(TAG, "Protected action; save for later;" 11927 + " package: " + applicationInfo.packageName 11928 + " activity: " + intent.activity.className 11929 + " origPrio: " + intent.getPriority()); 11930 } 11931 return; 11932 } else { 11933 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 11934 Slog.i(TAG, "No setup wizard;" 11935 + " All protected intents capped to priority 0"); 11936 } 11937 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 11938 if (DEBUG_FILTERS) { 11939 Slog.i(TAG, "Found setup wizard;" 11940 + " allow priority " + intent.getPriority() + ";" 11941 + " package: " + intent.activity.info.packageName 11942 + " activity: " + intent.activity.className 11943 + " priority: " + intent.getPriority()); 11944 } 11945 // setup wizard gets whatever it wants 11946 return; 11947 } 11948 Slog.w(TAG, "Protected action; cap priority to 0;" 11949 + " package: " + intent.activity.info.packageName 11950 + " activity: " + intent.activity.className 11951 + " origPrio: " + intent.getPriority()); 11952 intent.setPriority(0); 11953 return; 11954 } 11955 } 11956 // privileged apps on the system image get whatever priority they request 11957 return; 11958 } 11959 11960 // privileged app unbundled update ... try to find the same activity 11961 final PackageParser.Activity foundActivity = 11962 findMatchingActivity(systemActivities, activityInfo); 11963 if (foundActivity == null) { 11964 // this is a new activity; it cannot obtain >0 priority 11965 if (DEBUG_FILTERS) { 11966 Slog.i(TAG, "New activity; cap priority to 0;" 11967 + " package: " + applicationInfo.packageName 11968 + " activity: " + intent.activity.className 11969 + " origPrio: " + intent.getPriority()); 11970 } 11971 intent.setPriority(0); 11972 return; 11973 } 11974 11975 // found activity, now check for filter equivalence 11976 11977 // a shallow copy is enough; we modify the list, not its contents 11978 final List<ActivityIntentInfo> intentListCopy = 11979 new ArrayList<>(foundActivity.intents); 11980 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 11981 11982 // find matching action subsets 11983 final Iterator<String> actionsIterator = intent.actionsIterator(); 11984 if (actionsIterator != null) { 11985 getIntentListSubset( 11986 intentListCopy, new ActionIterGenerator(), actionsIterator); 11987 if (intentListCopy.size() == 0) { 11988 // no more intents to match; we're not equivalent 11989 if (DEBUG_FILTERS) { 11990 Slog.i(TAG, "Mismatched action; cap priority to 0;" 11991 + " package: " + applicationInfo.packageName 11992 + " activity: " + intent.activity.className 11993 + " origPrio: " + intent.getPriority()); 11994 } 11995 intent.setPriority(0); 11996 return; 11997 } 11998 } 11999 12000 // find matching category subsets 12001 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 12002 if (categoriesIterator != null) { 12003 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 12004 categoriesIterator); 12005 if (intentListCopy.size() == 0) { 12006 // no more intents to match; we're not equivalent 12007 if (DEBUG_FILTERS) { 12008 Slog.i(TAG, "Mismatched category; cap priority to 0;" 12009 + " package: " + applicationInfo.packageName 12010 + " activity: " + intent.activity.className 12011 + " origPrio: " + intent.getPriority()); 12012 } 12013 intent.setPriority(0); 12014 return; 12015 } 12016 } 12017 12018 // find matching schemes subsets 12019 final Iterator<String> schemesIterator = intent.schemesIterator(); 12020 if (schemesIterator != null) { 12021 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 12022 schemesIterator); 12023 if (intentListCopy.size() == 0) { 12024 // no more intents to match; we're not equivalent 12025 if (DEBUG_FILTERS) { 12026 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 12027 + " package: " + applicationInfo.packageName 12028 + " activity: " + intent.activity.className 12029 + " origPrio: " + intent.getPriority()); 12030 } 12031 intent.setPriority(0); 12032 return; 12033 } 12034 } 12035 12036 // find matching authorities subsets 12037 final Iterator<IntentFilter.AuthorityEntry> 12038 authoritiesIterator = intent.authoritiesIterator(); 12039 if (authoritiesIterator != null) { 12040 getIntentListSubset(intentListCopy, 12041 new AuthoritiesIterGenerator(), 12042 authoritiesIterator); 12043 if (intentListCopy.size() == 0) { 12044 // no more intents to match; we're not equivalent 12045 if (DEBUG_FILTERS) { 12046 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 12047 + " package: " + applicationInfo.packageName 12048 + " activity: " + intent.activity.className 12049 + " origPrio: " + intent.getPriority()); 12050 } 12051 intent.setPriority(0); 12052 return; 12053 } 12054 } 12055 12056 // we found matching filter(s); app gets the max priority of all intents 12057 int cappedPriority = 0; 12058 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 12059 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 12060 } 12061 if (intent.getPriority() > cappedPriority) { 12062 if (DEBUG_FILTERS) { 12063 Slog.i(TAG, "Found matching filter(s);" 12064 + " cap priority to " + cappedPriority + ";" 12065 + " package: " + applicationInfo.packageName 12066 + " activity: " + intent.activity.className 12067 + " origPrio: " + intent.getPriority()); 12068 } 12069 intent.setPriority(cappedPriority); 12070 return; 12071 } 12072 // all this for nothing; the requested priority was <= what was on the system 12073 } 12074 12075 public final void addActivity(PackageParser.Activity a, String type) { 12076 mActivities.put(a.getComponentName(), a); 12077 if (DEBUG_SHOW_INFO) 12078 Log.v( 12079 TAG, " " + type + " " + 12080 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 12081 if (DEBUG_SHOW_INFO) 12082 Log.v(TAG, " Class=" + a.info.name); 12083 final int NI = a.intents.size(); 12084 for (int j=0; j<NI; j++) { 12085 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12086 if ("activity".equals(type)) { 12087 final PackageSetting ps = 12088 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 12089 final List<PackageParser.Activity> systemActivities = 12090 ps != null && ps.pkg != null ? ps.pkg.activities : null; 12091 adjustPriority(systemActivities, intent); 12092 } 12093 if (DEBUG_SHOW_INFO) { 12094 Log.v(TAG, " IntentFilter:"); 12095 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12096 } 12097 if (!intent.debugCheck()) { 12098 Log.w(TAG, "==> For Activity " + a.info.name); 12099 } 12100 addFilter(intent); 12101 } 12102 } 12103 12104 public final void removeActivity(PackageParser.Activity a, String type) { 12105 mActivities.remove(a.getComponentName()); 12106 if (DEBUG_SHOW_INFO) { 12107 Log.v(TAG, " " + type + " " 12108 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 12109 : a.info.name) + ":"); 12110 Log.v(TAG, " Class=" + a.info.name); 12111 } 12112 final int NI = a.intents.size(); 12113 for (int j=0; j<NI; j++) { 12114 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12115 if (DEBUG_SHOW_INFO) { 12116 Log.v(TAG, " IntentFilter:"); 12117 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12118 } 12119 removeFilter(intent); 12120 } 12121 } 12122 12123 @Override 12124 protected boolean allowFilterResult( 12125 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 12126 ActivityInfo filterAi = filter.activity.info; 12127 for (int i=dest.size()-1; i>=0; i--) { 12128 ActivityInfo destAi = dest.get(i).activityInfo; 12129 if (destAi.name == filterAi.name 12130 && destAi.packageName == filterAi.packageName) { 12131 return false; 12132 } 12133 } 12134 return true; 12135 } 12136 12137 @Override 12138 protected ActivityIntentInfo[] newArray(int size) { 12139 return new ActivityIntentInfo[size]; 12140 } 12141 12142 @Override 12143 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 12144 if (!sUserManager.exists(userId)) return true; 12145 PackageParser.Package p = filter.activity.owner; 12146 if (p != null) { 12147 PackageSetting ps = (PackageSetting)p.mExtras; 12148 if (ps != null) { 12149 // System apps are never considered stopped for purposes of 12150 // filtering, because there may be no way for the user to 12151 // actually re-launch them. 12152 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 12153 && ps.getStopped(userId); 12154 } 12155 } 12156 return false; 12157 } 12158 12159 @Override 12160 protected boolean isPackageForFilter(String packageName, 12161 PackageParser.ActivityIntentInfo info) { 12162 return packageName.equals(info.activity.owner.packageName); 12163 } 12164 12165 @Override 12166 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 12167 int match, int userId) { 12168 if (!sUserManager.exists(userId)) return null; 12169 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 12170 return null; 12171 } 12172 final PackageParser.Activity activity = info.activity; 12173 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 12174 if (ps == null) { 12175 return null; 12176 } 12177 final PackageUserState userState = ps.readUserState(userId); 12178 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 12179 userState, userId); 12180 if (ai == null) { 12181 return null; 12182 } 12183 final boolean matchVisibleToInstantApp = 12184 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12185 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12186 // throw out filters that aren't visible to ephemeral apps 12187 if (matchVisibleToInstantApp 12188 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 12189 return null; 12190 } 12191 // throw out ephemeral filters if we're not explicitly requesting them 12192 if (!isInstantApp && userState.instantApp) { 12193 return null; 12194 } 12195 // throw out instant app filters if updates are available; will trigger 12196 // instant app resolution 12197 if (userState.instantApp && ps.isUpdateAvailable()) { 12198 return null; 12199 } 12200 final ResolveInfo res = new ResolveInfo(); 12201 res.activityInfo = ai; 12202 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12203 res.filter = info; 12204 } 12205 if (info != null) { 12206 res.handleAllWebDataURI = info.handleAllWebDataURI(); 12207 } 12208 res.priority = info.getPriority(); 12209 res.preferredOrder = activity.owner.mPreferredOrder; 12210 //System.out.println("Result: " + res.activityInfo.className + 12211 // " = " + res.priority); 12212 res.match = match; 12213 res.isDefault = info.hasDefault; 12214 res.labelRes = info.labelRes; 12215 res.nonLocalizedLabel = info.nonLocalizedLabel; 12216 if (userNeedsBadging(userId)) { 12217 res.noResourceId = true; 12218 } else { 12219 res.icon = info.icon; 12220 } 12221 res.iconResourceId = info.icon; 12222 res.system = res.activityInfo.applicationInfo.isSystemApp(); 12223 res.instantAppAvailable = userState.instantApp; 12224 return res; 12225 } 12226 12227 @Override 12228 protected void sortResults(List<ResolveInfo> results) { 12229 Collections.sort(results, mResolvePrioritySorter); 12230 } 12231 12232 @Override 12233 protected void dumpFilter(PrintWriter out, String prefix, 12234 PackageParser.ActivityIntentInfo filter) { 12235 out.print(prefix); out.print( 12236 Integer.toHexString(System.identityHashCode(filter.activity))); 12237 out.print(' '); 12238 filter.activity.printComponentShortName(out); 12239 out.print(" filter "); 12240 out.println(Integer.toHexString(System.identityHashCode(filter))); 12241 } 12242 12243 @Override 12244 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 12245 return filter.activity; 12246 } 12247 12248 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12249 PackageParser.Activity activity = (PackageParser.Activity)label; 12250 out.print(prefix); out.print( 12251 Integer.toHexString(System.identityHashCode(activity))); 12252 out.print(' '); 12253 activity.printComponentShortName(out); 12254 if (count > 1) { 12255 out.print(" ("); out.print(count); out.print(" filters)"); 12256 } 12257 out.println(); 12258 } 12259 12260 // Keys are String (activity class name), values are Activity. 12261 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 12262 = new ArrayMap<ComponentName, PackageParser.Activity>(); 12263 private int mFlags; 12264 } 12265 12266 private final class ServiceIntentResolver 12267 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 12268 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12269 boolean defaultOnly, int userId) { 12270 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12271 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12272 } 12273 12274 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12275 int userId) { 12276 if (!sUserManager.exists(userId)) return null; 12277 mFlags = flags; 12278 return super.queryIntent(intent, resolvedType, 12279 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12280 userId); 12281 } 12282 12283 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12284 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 12285 if (!sUserManager.exists(userId)) return null; 12286 if (packageServices == null) { 12287 return null; 12288 } 12289 mFlags = flags; 12290 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 12291 final int N = packageServices.size(); 12292 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 12293 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 12294 12295 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 12296 for (int i = 0; i < N; ++i) { 12297 intentFilters = packageServices.get(i).intents; 12298 if (intentFilters != null && intentFilters.size() > 0) { 12299 PackageParser.ServiceIntentInfo[] array = 12300 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 12301 intentFilters.toArray(array); 12302 listCut.add(array); 12303 } 12304 } 12305 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12306 } 12307 12308 public final void addService(PackageParser.Service s) { 12309 mServices.put(s.getComponentName(), s); 12310 if (DEBUG_SHOW_INFO) { 12311 Log.v(TAG, " " 12312 + (s.info.nonLocalizedLabel != null 12313 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12314 Log.v(TAG, " Class=" + s.info.name); 12315 } 12316 final int NI = s.intents.size(); 12317 int j; 12318 for (j=0; j<NI; j++) { 12319 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12320 if (DEBUG_SHOW_INFO) { 12321 Log.v(TAG, " IntentFilter:"); 12322 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12323 } 12324 if (!intent.debugCheck()) { 12325 Log.w(TAG, "==> For Service " + s.info.name); 12326 } 12327 addFilter(intent); 12328 } 12329 } 12330 12331 public final void removeService(PackageParser.Service s) { 12332 mServices.remove(s.getComponentName()); 12333 if (DEBUG_SHOW_INFO) { 12334 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 12335 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12336 Log.v(TAG, " Class=" + s.info.name); 12337 } 12338 final int NI = s.intents.size(); 12339 int j; 12340 for (j=0; j<NI; j++) { 12341 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12342 if (DEBUG_SHOW_INFO) { 12343 Log.v(TAG, " IntentFilter:"); 12344 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12345 } 12346 removeFilter(intent); 12347 } 12348 } 12349 12350 @Override 12351 protected boolean allowFilterResult( 12352 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 12353 ServiceInfo filterSi = filter.service.info; 12354 for (int i=dest.size()-1; i>=0; i--) { 12355 ServiceInfo destAi = dest.get(i).serviceInfo; 12356 if (destAi.name == filterSi.name 12357 && destAi.packageName == filterSi.packageName) { 12358 return false; 12359 } 12360 } 12361 return true; 12362 } 12363 12364 @Override 12365 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 12366 return new PackageParser.ServiceIntentInfo[size]; 12367 } 12368 12369 @Override 12370 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 12371 if (!sUserManager.exists(userId)) return true; 12372 PackageParser.Package p = filter.service.owner; 12373 if (p != null) { 12374 PackageSetting ps = (PackageSetting)p.mExtras; 12375 if (ps != null) { 12376 // System apps are never considered stopped for purposes of 12377 // filtering, because there may be no way for the user to 12378 // actually re-launch them. 12379 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12380 && ps.getStopped(userId); 12381 } 12382 } 12383 return false; 12384 } 12385 12386 @Override 12387 protected boolean isPackageForFilter(String packageName, 12388 PackageParser.ServiceIntentInfo info) { 12389 return packageName.equals(info.service.owner.packageName); 12390 } 12391 12392 @Override 12393 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 12394 int match, int userId) { 12395 if (!sUserManager.exists(userId)) return null; 12396 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 12397 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 12398 return null; 12399 } 12400 final PackageParser.Service service = info.service; 12401 PackageSetting ps = (PackageSetting) service.owner.mExtras; 12402 if (ps == null) { 12403 return null; 12404 } 12405 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 12406 ps.readUserState(userId), userId); 12407 if (si == null) { 12408 return null; 12409 } 12410 final ResolveInfo res = new ResolveInfo(); 12411 res.serviceInfo = si; 12412 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12413 res.filter = filter; 12414 } 12415 res.priority = info.getPriority(); 12416 res.preferredOrder = service.owner.mPreferredOrder; 12417 res.match = match; 12418 res.isDefault = info.hasDefault; 12419 res.labelRes = info.labelRes; 12420 res.nonLocalizedLabel = info.nonLocalizedLabel; 12421 res.icon = info.icon; 12422 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 12423 return res; 12424 } 12425 12426 @Override 12427 protected void sortResults(List<ResolveInfo> results) { 12428 Collections.sort(results, mResolvePrioritySorter); 12429 } 12430 12431 @Override 12432 protected void dumpFilter(PrintWriter out, String prefix, 12433 PackageParser.ServiceIntentInfo filter) { 12434 out.print(prefix); out.print( 12435 Integer.toHexString(System.identityHashCode(filter.service))); 12436 out.print(' '); 12437 filter.service.printComponentShortName(out); 12438 out.print(" filter "); 12439 out.println(Integer.toHexString(System.identityHashCode(filter))); 12440 } 12441 12442 @Override 12443 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 12444 return filter.service; 12445 } 12446 12447 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12448 PackageParser.Service service = (PackageParser.Service)label; 12449 out.print(prefix); out.print( 12450 Integer.toHexString(System.identityHashCode(service))); 12451 out.print(' '); 12452 service.printComponentShortName(out); 12453 if (count > 1) { 12454 out.print(" ("); out.print(count); out.print(" filters)"); 12455 } 12456 out.println(); 12457 } 12458 12459// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 12460// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 12461// final List<ResolveInfo> retList = Lists.newArrayList(); 12462// while (i.hasNext()) { 12463// final ResolveInfo resolveInfo = (ResolveInfo) i; 12464// if (isEnabledLP(resolveInfo.serviceInfo)) { 12465// retList.add(resolveInfo); 12466// } 12467// } 12468// return retList; 12469// } 12470 12471 // Keys are String (activity class name), values are Activity. 12472 private final ArrayMap<ComponentName, PackageParser.Service> mServices 12473 = new ArrayMap<ComponentName, PackageParser.Service>(); 12474 private int mFlags; 12475 } 12476 12477 private final class ProviderIntentResolver 12478 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 12479 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12480 boolean defaultOnly, int userId) { 12481 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12482 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12483 } 12484 12485 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12486 int userId) { 12487 if (!sUserManager.exists(userId)) 12488 return null; 12489 mFlags = flags; 12490 return super.queryIntent(intent, resolvedType, 12491 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12492 userId); 12493 } 12494 12495 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12496 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 12497 if (!sUserManager.exists(userId)) 12498 return null; 12499 if (packageProviders == null) { 12500 return null; 12501 } 12502 mFlags = flags; 12503 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12504 final int N = packageProviders.size(); 12505 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 12506 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 12507 12508 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 12509 for (int i = 0; i < N; ++i) { 12510 intentFilters = packageProviders.get(i).intents; 12511 if (intentFilters != null && intentFilters.size() > 0) { 12512 PackageParser.ProviderIntentInfo[] array = 12513 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 12514 intentFilters.toArray(array); 12515 listCut.add(array); 12516 } 12517 } 12518 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12519 } 12520 12521 public final void addProvider(PackageParser.Provider p) { 12522 if (mProviders.containsKey(p.getComponentName())) { 12523 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 12524 return; 12525 } 12526 12527 mProviders.put(p.getComponentName(), p); 12528 if (DEBUG_SHOW_INFO) { 12529 Log.v(TAG, " " 12530 + (p.info.nonLocalizedLabel != null 12531 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12532 Log.v(TAG, " Class=" + p.info.name); 12533 } 12534 final int NI = p.intents.size(); 12535 int j; 12536 for (j = 0; j < NI; j++) { 12537 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12538 if (DEBUG_SHOW_INFO) { 12539 Log.v(TAG, " IntentFilter:"); 12540 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12541 } 12542 if (!intent.debugCheck()) { 12543 Log.w(TAG, "==> For Provider " + p.info.name); 12544 } 12545 addFilter(intent); 12546 } 12547 } 12548 12549 public final void removeProvider(PackageParser.Provider p) { 12550 mProviders.remove(p.getComponentName()); 12551 if (DEBUG_SHOW_INFO) { 12552 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 12553 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12554 Log.v(TAG, " Class=" + p.info.name); 12555 } 12556 final int NI = p.intents.size(); 12557 int j; 12558 for (j = 0; j < NI; j++) { 12559 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12560 if (DEBUG_SHOW_INFO) { 12561 Log.v(TAG, " IntentFilter:"); 12562 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12563 } 12564 removeFilter(intent); 12565 } 12566 } 12567 12568 @Override 12569 protected boolean allowFilterResult( 12570 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 12571 ProviderInfo filterPi = filter.provider.info; 12572 for (int i = dest.size() - 1; i >= 0; i--) { 12573 ProviderInfo destPi = dest.get(i).providerInfo; 12574 if (destPi.name == filterPi.name 12575 && destPi.packageName == filterPi.packageName) { 12576 return false; 12577 } 12578 } 12579 return true; 12580 } 12581 12582 @Override 12583 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 12584 return new PackageParser.ProviderIntentInfo[size]; 12585 } 12586 12587 @Override 12588 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 12589 if (!sUserManager.exists(userId)) 12590 return true; 12591 PackageParser.Package p = filter.provider.owner; 12592 if (p != null) { 12593 PackageSetting ps = (PackageSetting) p.mExtras; 12594 if (ps != null) { 12595 // System apps are never considered stopped for purposes of 12596 // filtering, because there may be no way for the user to 12597 // actually re-launch them. 12598 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12599 && ps.getStopped(userId); 12600 } 12601 } 12602 return false; 12603 } 12604 12605 @Override 12606 protected boolean isPackageForFilter(String packageName, 12607 PackageParser.ProviderIntentInfo info) { 12608 return packageName.equals(info.provider.owner.packageName); 12609 } 12610 12611 @Override 12612 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 12613 int match, int userId) { 12614 if (!sUserManager.exists(userId)) 12615 return null; 12616 final PackageParser.ProviderIntentInfo info = filter; 12617 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 12618 return null; 12619 } 12620 final PackageParser.Provider provider = info.provider; 12621 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 12622 if (ps == null) { 12623 return null; 12624 } 12625 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 12626 ps.readUserState(userId), userId); 12627 if (pi == null) { 12628 return null; 12629 } 12630 final ResolveInfo res = new ResolveInfo(); 12631 res.providerInfo = pi; 12632 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 12633 res.filter = filter; 12634 } 12635 res.priority = info.getPriority(); 12636 res.preferredOrder = provider.owner.mPreferredOrder; 12637 res.match = match; 12638 res.isDefault = info.hasDefault; 12639 res.labelRes = info.labelRes; 12640 res.nonLocalizedLabel = info.nonLocalizedLabel; 12641 res.icon = info.icon; 12642 res.system = res.providerInfo.applicationInfo.isSystemApp(); 12643 return res; 12644 } 12645 12646 @Override 12647 protected void sortResults(List<ResolveInfo> results) { 12648 Collections.sort(results, mResolvePrioritySorter); 12649 } 12650 12651 @Override 12652 protected void dumpFilter(PrintWriter out, String prefix, 12653 PackageParser.ProviderIntentInfo filter) { 12654 out.print(prefix); 12655 out.print( 12656 Integer.toHexString(System.identityHashCode(filter.provider))); 12657 out.print(' '); 12658 filter.provider.printComponentShortName(out); 12659 out.print(" filter "); 12660 out.println(Integer.toHexString(System.identityHashCode(filter))); 12661 } 12662 12663 @Override 12664 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 12665 return filter.provider; 12666 } 12667 12668 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12669 PackageParser.Provider provider = (PackageParser.Provider)label; 12670 out.print(prefix); out.print( 12671 Integer.toHexString(System.identityHashCode(provider))); 12672 out.print(' '); 12673 provider.printComponentShortName(out); 12674 if (count > 1) { 12675 out.print(" ("); out.print(count); out.print(" filters)"); 12676 } 12677 out.println(); 12678 } 12679 12680 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 12681 = new ArrayMap<ComponentName, PackageParser.Provider>(); 12682 private int mFlags; 12683 } 12684 12685 static final class EphemeralIntentResolver 12686 extends IntentResolver<AuxiliaryResolveInfo, AuxiliaryResolveInfo> { 12687 /** 12688 * The result that has the highest defined order. Ordering applies on a 12689 * per-package basis. Mapping is from package name to Pair of order and 12690 * EphemeralResolveInfo. 12691 * <p> 12692 * NOTE: This is implemented as a field variable for convenience and efficiency. 12693 * By having a field variable, we're able to track filter ordering as soon as 12694 * a non-zero order is defined. Otherwise, multiple loops across the result set 12695 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 12696 * this needs to be contained entirely within {@link #filterResults}. 12697 */ 12698 final ArrayMap<String, Pair<Integer, InstantAppResolveInfo>> mOrderResult = new ArrayMap<>(); 12699 12700 @Override 12701 protected AuxiliaryResolveInfo[] newArray(int size) { 12702 return new AuxiliaryResolveInfo[size]; 12703 } 12704 12705 @Override 12706 protected boolean isPackageForFilter(String packageName, AuxiliaryResolveInfo responseObj) { 12707 return true; 12708 } 12709 12710 @Override 12711 protected AuxiliaryResolveInfo newResult(AuxiliaryResolveInfo responseObj, int match, 12712 int userId) { 12713 if (!sUserManager.exists(userId)) { 12714 return null; 12715 } 12716 final String packageName = responseObj.resolveInfo.getPackageName(); 12717 final Integer order = responseObj.getOrder(); 12718 final Pair<Integer, InstantAppResolveInfo> lastOrderResult = 12719 mOrderResult.get(packageName); 12720 // ordering is enabled and this item's order isn't high enough 12721 if (lastOrderResult != null && lastOrderResult.first >= order) { 12722 return null; 12723 } 12724 final InstantAppResolveInfo res = responseObj.resolveInfo; 12725 if (order > 0) { 12726 // non-zero order, enable ordering 12727 mOrderResult.put(packageName, new Pair<>(order, res)); 12728 } 12729 return responseObj; 12730 } 12731 12732 @Override 12733 protected void filterResults(List<AuxiliaryResolveInfo> results) { 12734 // only do work if ordering is enabled [most of the time it won't be] 12735 if (mOrderResult.size() == 0) { 12736 return; 12737 } 12738 int resultSize = results.size(); 12739 for (int i = 0; i < resultSize; i++) { 12740 final InstantAppResolveInfo info = results.get(i).resolveInfo; 12741 final String packageName = info.getPackageName(); 12742 final Pair<Integer, InstantAppResolveInfo> savedInfo = mOrderResult.get(packageName); 12743 if (savedInfo == null) { 12744 // package doesn't having ordering 12745 continue; 12746 } 12747 if (savedInfo.second == info) { 12748 // circled back to the highest ordered item; remove from order list 12749 mOrderResult.remove(savedInfo); 12750 if (mOrderResult.size() == 0) { 12751 // no more ordered items 12752 break; 12753 } 12754 continue; 12755 } 12756 // item has a worse order, remove it from the result list 12757 results.remove(i); 12758 resultSize--; 12759 i--; 12760 } 12761 } 12762 } 12763 12764 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 12765 new Comparator<ResolveInfo>() { 12766 public int compare(ResolveInfo r1, ResolveInfo r2) { 12767 int v1 = r1.priority; 12768 int v2 = r2.priority; 12769 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 12770 if (v1 != v2) { 12771 return (v1 > v2) ? -1 : 1; 12772 } 12773 v1 = r1.preferredOrder; 12774 v2 = r2.preferredOrder; 12775 if (v1 != v2) { 12776 return (v1 > v2) ? -1 : 1; 12777 } 12778 if (r1.isDefault != r2.isDefault) { 12779 return r1.isDefault ? -1 : 1; 12780 } 12781 v1 = r1.match; 12782 v2 = r2.match; 12783 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 12784 if (v1 != v2) { 12785 return (v1 > v2) ? -1 : 1; 12786 } 12787 if (r1.system != r2.system) { 12788 return r1.system ? -1 : 1; 12789 } 12790 if (r1.activityInfo != null) { 12791 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 12792 } 12793 if (r1.serviceInfo != null) { 12794 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 12795 } 12796 if (r1.providerInfo != null) { 12797 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 12798 } 12799 return 0; 12800 } 12801 }; 12802 12803 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 12804 new Comparator<ProviderInfo>() { 12805 public int compare(ProviderInfo p1, ProviderInfo p2) { 12806 final int v1 = p1.initOrder; 12807 final int v2 = p2.initOrder; 12808 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 12809 } 12810 }; 12811 12812 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 12813 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 12814 final int[] userIds) { 12815 mHandler.post(new Runnable() { 12816 @Override 12817 public void run() { 12818 try { 12819 final IActivityManager am = ActivityManager.getService(); 12820 if (am == null) return; 12821 final int[] resolvedUserIds; 12822 if (userIds == null) { 12823 resolvedUserIds = am.getRunningUserIds(); 12824 } else { 12825 resolvedUserIds = userIds; 12826 } 12827 for (int id : resolvedUserIds) { 12828 final Intent intent = new Intent(action, 12829 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 12830 if (extras != null) { 12831 intent.putExtras(extras); 12832 } 12833 if (targetPkg != null) { 12834 intent.setPackage(targetPkg); 12835 } 12836 // Modify the UID when posting to other users 12837 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 12838 if (uid > 0 && UserHandle.getUserId(uid) != id) { 12839 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 12840 intent.putExtra(Intent.EXTRA_UID, uid); 12841 } 12842 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 12843 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 12844 if (DEBUG_BROADCASTS) { 12845 RuntimeException here = new RuntimeException("here"); 12846 here.fillInStackTrace(); 12847 Slog.d(TAG, "Sending to user " + id + ": " 12848 + intent.toShortString(false, true, false, false) 12849 + " " + intent.getExtras(), here); 12850 } 12851 am.broadcastIntent(null, intent, null, finishedReceiver, 12852 0, null, null, null, android.app.AppOpsManager.OP_NONE, 12853 null, finishedReceiver != null, false, id); 12854 } 12855 } catch (RemoteException ex) { 12856 } 12857 } 12858 }); 12859 } 12860 12861 /** 12862 * Check if the external storage media is available. This is true if there 12863 * is a mounted external storage medium or if the external storage is 12864 * emulated. 12865 */ 12866 private boolean isExternalMediaAvailable() { 12867 return mMediaMounted || Environment.isExternalStorageEmulated(); 12868 } 12869 12870 @Override 12871 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 12872 // writer 12873 synchronized (mPackages) { 12874 if (!isExternalMediaAvailable()) { 12875 // If the external storage is no longer mounted at this point, 12876 // the caller may not have been able to delete all of this 12877 // packages files and can not delete any more. Bail. 12878 return null; 12879 } 12880 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 12881 if (lastPackage != null) { 12882 pkgs.remove(lastPackage); 12883 } 12884 if (pkgs.size() > 0) { 12885 return pkgs.get(0); 12886 } 12887 } 12888 return null; 12889 } 12890 12891 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 12892 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 12893 userId, andCode ? 1 : 0, packageName); 12894 if (mSystemReady) { 12895 msg.sendToTarget(); 12896 } else { 12897 if (mPostSystemReadyMessages == null) { 12898 mPostSystemReadyMessages = new ArrayList<>(); 12899 } 12900 mPostSystemReadyMessages.add(msg); 12901 } 12902 } 12903 12904 void startCleaningPackages() { 12905 // reader 12906 if (!isExternalMediaAvailable()) { 12907 return; 12908 } 12909 synchronized (mPackages) { 12910 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 12911 return; 12912 } 12913 } 12914 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 12915 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 12916 IActivityManager am = ActivityManager.getService(); 12917 if (am != null) { 12918 try { 12919 am.startService(null, intent, null, -1, null, mContext.getOpPackageName(), 12920 UserHandle.USER_SYSTEM); 12921 } catch (RemoteException e) { 12922 } 12923 } 12924 } 12925 12926 @Override 12927 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 12928 int installFlags, String installerPackageName, int userId) { 12929 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 12930 12931 final int callingUid = Binder.getCallingUid(); 12932 enforceCrossUserPermission(callingUid, userId, 12933 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 12934 12935 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 12936 try { 12937 if (observer != null) { 12938 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 12939 } 12940 } catch (RemoteException re) { 12941 } 12942 return; 12943 } 12944 12945 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 12946 installFlags |= PackageManager.INSTALL_FROM_ADB; 12947 12948 } else { 12949 // Caller holds INSTALL_PACKAGES permission, so we're less strict 12950 // about installerPackageName. 12951 12952 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 12953 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 12954 } 12955 12956 UserHandle user; 12957 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 12958 user = UserHandle.ALL; 12959 } else { 12960 user = new UserHandle(userId); 12961 } 12962 12963 // Only system components can circumvent runtime permissions when installing. 12964 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 12965 && mContext.checkCallingOrSelfPermission(Manifest.permission 12966 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 12967 throw new SecurityException("You need the " 12968 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 12969 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 12970 } 12971 12972 if ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0 12973 || (installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12974 throw new IllegalArgumentException( 12975 "New installs into ASEC containers no longer supported"); 12976 } 12977 12978 final File originFile = new File(originPath); 12979 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 12980 12981 final Message msg = mHandler.obtainMessage(INIT_COPY); 12982 final VerificationInfo verificationInfo = new VerificationInfo( 12983 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 12984 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 12985 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 12986 null /*packageAbiOverride*/, null /*grantedPermissions*/, 12987 null /*certificates*/, PackageManager.INSTALL_REASON_UNKNOWN); 12988 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 12989 msg.obj = params; 12990 12991 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 12992 System.identityHashCode(msg.obj)); 12993 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 12994 System.identityHashCode(msg.obj)); 12995 12996 mHandler.sendMessage(msg); 12997 } 12998 12999 13000 /** 13001 * Ensure that the install reason matches what we know about the package installer (e.g. whether 13002 * it is acting on behalf on an enterprise or the user). 13003 * 13004 * Note that the ordering of the conditionals in this method is important. The checks we perform 13005 * are as follows, in this order: 13006 * 13007 * 1) If the install is being performed by a system app, we can trust the app to have set the 13008 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 13009 * what it is. 13010 * 2) If the install is being performed by a device or profile owner app, the install reason 13011 * should be enterprise policy. However, we cannot be sure that the device or profile owner 13012 * set the install reason correctly. If the app targets an older SDK version where install 13013 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 13014 * unset or wrong. Thus, we force the install reason to be enterprise policy. 13015 * 3) In all other cases, the install is being performed by a regular app that is neither part 13016 * of the system nor a device or profile owner. We have no reason to believe that this app is 13017 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 13018 * set to enterprise policy and if so, change it to unknown instead. 13019 */ 13020 private int fixUpInstallReason(String installerPackageName, int installerUid, 13021 int installReason) { 13022 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 13023 == PERMISSION_GRANTED) { 13024 // If the install is being performed by a system app, we trust that app to have set the 13025 // install reason correctly. 13026 return installReason; 13027 } 13028 13029 final IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13030 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13031 if (dpm != null) { 13032 ComponentName owner = null; 13033 try { 13034 owner = dpm.getDeviceOwnerComponent(true /* callingUserOnly */); 13035 if (owner == null) { 13036 owner = dpm.getProfileOwner(UserHandle.getUserId(installerUid)); 13037 } 13038 } catch (RemoteException e) { 13039 } 13040 if (owner != null && owner.getPackageName().equals(installerPackageName)) { 13041 // If the install is being performed by a device or profile owner, the install 13042 // reason should be enterprise policy. 13043 return PackageManager.INSTALL_REASON_POLICY; 13044 } 13045 } 13046 13047 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 13048 // If the install is being performed by a regular app (i.e. neither system app nor 13049 // device or profile owner), we have no reason to believe that the app is acting on 13050 // behalf of an enterprise. If the app set the install reason to enterprise policy, 13051 // change it to unknown instead. 13052 return PackageManager.INSTALL_REASON_UNKNOWN; 13053 } 13054 13055 // If the install is being performed by a regular app and the install reason was set to any 13056 // value but enterprise policy, leave the install reason unchanged. 13057 return installReason; 13058 } 13059 13060 void installStage(String packageName, File stagedDir, String stagedCid, 13061 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 13062 String installerPackageName, int installerUid, UserHandle user, 13063 Certificate[][] certificates) { 13064 if (DEBUG_EPHEMERAL) { 13065 if ((sessionParams.installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13066 Slog.d(TAG, "Ephemeral install of " + packageName); 13067 } 13068 } 13069 final VerificationInfo verificationInfo = new VerificationInfo( 13070 sessionParams.originatingUri, sessionParams.referrerUri, 13071 sessionParams.originatingUid, installerUid); 13072 13073 final OriginInfo origin; 13074 if (stagedDir != null) { 13075 origin = OriginInfo.fromStagedFile(stagedDir); 13076 } else { 13077 origin = OriginInfo.fromStagedContainer(stagedCid); 13078 } 13079 13080 final Message msg = mHandler.obtainMessage(INIT_COPY); 13081 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 13082 sessionParams.installReason); 13083 final InstallParams params = new InstallParams(origin, null, observer, 13084 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 13085 verificationInfo, user, sessionParams.abiOverride, 13086 sessionParams.grantedRuntimePermissions, certificates, installReason); 13087 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 13088 msg.obj = params; 13089 13090 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 13091 System.identityHashCode(msg.obj)); 13092 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13093 System.identityHashCode(msg.obj)); 13094 13095 mHandler.sendMessage(msg); 13096 } 13097 13098 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 13099 int userId) { 13100 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 13101 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 13102 } 13103 13104 private void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 13105 int appId, int... userIds) { 13106 if (ArrayUtils.isEmpty(userIds)) { 13107 return; 13108 } 13109 Bundle extras = new Bundle(1); 13110 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 13111 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 13112 13113 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 13114 packageName, extras, 0, null, null, userIds); 13115 if (isSystem) { 13116 mHandler.post(() -> { 13117 for (int userId : userIds) { 13118 sendBootCompletedBroadcastToSystemApp(packageName, userId); 13119 } 13120 } 13121 ); 13122 } 13123 } 13124 13125 /** 13126 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 13127 * automatically without needing an explicit launch. 13128 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 13129 */ 13130 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 13131 // If user is not running, the app didn't miss any broadcast 13132 if (!mUserManagerInternal.isUserRunning(userId)) { 13133 return; 13134 } 13135 final IActivityManager am = ActivityManager.getService(); 13136 try { 13137 // Deliver LOCKED_BOOT_COMPLETED first 13138 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 13139 .setPackage(packageName); 13140 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 13141 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 13142 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13143 13144 // Deliver BOOT_COMPLETED only if user is unlocked 13145 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 13146 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 13147 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 13148 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13149 } 13150 } catch (RemoteException e) { 13151 throw e.rethrowFromSystemServer(); 13152 } 13153 } 13154 13155 @Override 13156 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 13157 int userId) { 13158 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13159 PackageSetting pkgSetting; 13160 final int uid = Binder.getCallingUid(); 13161 enforceCrossUserPermission(uid, userId, 13162 true /* requireFullPermission */, true /* checkShell */, 13163 "setApplicationHiddenSetting for user " + userId); 13164 13165 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 13166 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 13167 return false; 13168 } 13169 13170 long callingId = Binder.clearCallingIdentity(); 13171 try { 13172 boolean sendAdded = false; 13173 boolean sendRemoved = false; 13174 // writer 13175 synchronized (mPackages) { 13176 pkgSetting = mSettings.mPackages.get(packageName); 13177 if (pkgSetting == null) { 13178 return false; 13179 } 13180 // Do not allow "android" is being disabled 13181 if ("android".equals(packageName)) { 13182 Slog.w(TAG, "Cannot hide package: android"); 13183 return false; 13184 } 13185 // Cannot hide static shared libs as they are considered 13186 // a part of the using app (emulating static linking). Also 13187 // static libs are installed always on internal storage. 13188 PackageParser.Package pkg = mPackages.get(packageName); 13189 if (pkg != null && pkg.staticSharedLibName != null) { 13190 Slog.w(TAG, "Cannot hide package: " + packageName 13191 + " providing static shared library: " 13192 + pkg.staticSharedLibName); 13193 return false; 13194 } 13195 // Only allow protected packages to hide themselves. 13196 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 13197 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13198 Slog.w(TAG, "Not hiding protected package: " + packageName); 13199 return false; 13200 } 13201 13202 if (pkgSetting.getHidden(userId) != hidden) { 13203 pkgSetting.setHidden(hidden, userId); 13204 mSettings.writePackageRestrictionsLPr(userId); 13205 if (hidden) { 13206 sendRemoved = true; 13207 } else { 13208 sendAdded = true; 13209 } 13210 } 13211 } 13212 if (sendAdded) { 13213 sendPackageAddedForUser(packageName, pkgSetting, userId); 13214 return true; 13215 } 13216 if (sendRemoved) { 13217 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 13218 "hiding pkg"); 13219 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 13220 return true; 13221 } 13222 } finally { 13223 Binder.restoreCallingIdentity(callingId); 13224 } 13225 return false; 13226 } 13227 13228 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 13229 int userId) { 13230 final PackageRemovedInfo info = new PackageRemovedInfo(); 13231 info.removedPackage = packageName; 13232 info.removedUsers = new int[] {userId}; 13233 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 13234 info.sendPackageRemovedBroadcasts(true /*killApp*/); 13235 } 13236 13237 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 13238 if (pkgList.length > 0) { 13239 Bundle extras = new Bundle(1); 13240 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 13241 13242 sendPackageBroadcast( 13243 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 13244 : Intent.ACTION_PACKAGES_UNSUSPENDED, 13245 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 13246 new int[] {userId}); 13247 } 13248 } 13249 13250 /** 13251 * Returns true if application is not found or there was an error. Otherwise it returns 13252 * the hidden state of the package for the given user. 13253 */ 13254 @Override 13255 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 13256 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13257 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13258 true /* requireFullPermission */, false /* checkShell */, 13259 "getApplicationHidden for user " + userId); 13260 PackageSetting pkgSetting; 13261 long callingId = Binder.clearCallingIdentity(); 13262 try { 13263 // writer 13264 synchronized (mPackages) { 13265 pkgSetting = mSettings.mPackages.get(packageName); 13266 if (pkgSetting == null) { 13267 return true; 13268 } 13269 return pkgSetting.getHidden(userId); 13270 } 13271 } finally { 13272 Binder.restoreCallingIdentity(callingId); 13273 } 13274 } 13275 13276 /** 13277 * @hide 13278 */ 13279 @Override 13280 public int installExistingPackageAsUser(String packageName, int userId, int installFlags, 13281 int installReason) { 13282 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 13283 null); 13284 PackageSetting pkgSetting; 13285 final int uid = Binder.getCallingUid(); 13286 enforceCrossUserPermission(uid, userId, 13287 true /* requireFullPermission */, true /* checkShell */, 13288 "installExistingPackage for user " + userId); 13289 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13290 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 13291 } 13292 13293 long callingId = Binder.clearCallingIdentity(); 13294 try { 13295 boolean installed = false; 13296 final boolean instantApp = 13297 (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 13298 final boolean fullApp = 13299 (installFlags & PackageManager.INSTALL_FULL_APP) != 0; 13300 13301 // writer 13302 synchronized (mPackages) { 13303 pkgSetting = mSettings.mPackages.get(packageName); 13304 if (pkgSetting == null) { 13305 return PackageManager.INSTALL_FAILED_INVALID_URI; 13306 } 13307 if (!pkgSetting.getInstalled(userId)) { 13308 pkgSetting.setInstalled(true, userId); 13309 pkgSetting.setHidden(false, userId); 13310 pkgSetting.setInstallReason(installReason, userId); 13311 mSettings.writePackageRestrictionsLPr(userId); 13312 mSettings.writeKernelMappingLPr(pkgSetting); 13313 installed = true; 13314 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13315 // upgrade app from instant to full; we don't allow app downgrade 13316 installed = true; 13317 } 13318 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 13319 } 13320 13321 if (installed) { 13322 if (pkgSetting.pkg != null) { 13323 synchronized (mInstallLock) { 13324 // We don't need to freeze for a brand new install 13325 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 13326 } 13327 } 13328 sendPackageAddedForUser(packageName, pkgSetting, userId); 13329 synchronized (mPackages) { 13330 updateSequenceNumberLP(packageName, new int[]{ userId }); 13331 } 13332 } 13333 } finally { 13334 Binder.restoreCallingIdentity(callingId); 13335 } 13336 13337 return PackageManager.INSTALL_SUCCEEDED; 13338 } 13339 13340 void setInstantAppForUser(PackageSetting pkgSetting, int userId, 13341 boolean instantApp, boolean fullApp) { 13342 // no state specified; do nothing 13343 if (!instantApp && !fullApp) { 13344 return; 13345 } 13346 if (userId != UserHandle.USER_ALL) { 13347 if (instantApp && !pkgSetting.getInstantApp(userId)) { 13348 pkgSetting.setInstantApp(true /*instantApp*/, userId); 13349 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13350 pkgSetting.setInstantApp(false /*instantApp*/, userId); 13351 } 13352 } else { 13353 for (int currentUserId : sUserManager.getUserIds()) { 13354 if (instantApp && !pkgSetting.getInstantApp(currentUserId)) { 13355 pkgSetting.setInstantApp(true /*instantApp*/, currentUserId); 13356 } else if (fullApp && pkgSetting.getInstantApp(currentUserId)) { 13357 pkgSetting.setInstantApp(false /*instantApp*/, currentUserId); 13358 } 13359 } 13360 } 13361 } 13362 13363 boolean isUserRestricted(int userId, String restrictionKey) { 13364 Bundle restrictions = sUserManager.getUserRestrictions(userId); 13365 if (restrictions.getBoolean(restrictionKey, false)) { 13366 Log.w(TAG, "User is restricted: " + restrictionKey); 13367 return true; 13368 } 13369 return false; 13370 } 13371 13372 @Override 13373 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 13374 int userId) { 13375 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13376 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13377 true /* requireFullPermission */, true /* checkShell */, 13378 "setPackagesSuspended for user " + userId); 13379 13380 if (ArrayUtils.isEmpty(packageNames)) { 13381 return packageNames; 13382 } 13383 13384 // List of package names for whom the suspended state has changed. 13385 List<String> changedPackages = new ArrayList<>(packageNames.length); 13386 // List of package names for whom the suspended state is not set as requested in this 13387 // method. 13388 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 13389 long callingId = Binder.clearCallingIdentity(); 13390 try { 13391 for (int i = 0; i < packageNames.length; i++) { 13392 String packageName = packageNames[i]; 13393 boolean changed = false; 13394 final int appId; 13395 synchronized (mPackages) { 13396 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13397 if (pkgSetting == null) { 13398 Slog.w(TAG, "Could not find package setting for package \"" + packageName 13399 + "\". Skipping suspending/un-suspending."); 13400 unactionedPackages.add(packageName); 13401 continue; 13402 } 13403 appId = pkgSetting.appId; 13404 if (pkgSetting.getSuspended(userId) != suspended) { 13405 if (!canSuspendPackageForUserLocked(packageName, userId)) { 13406 unactionedPackages.add(packageName); 13407 continue; 13408 } 13409 pkgSetting.setSuspended(suspended, userId); 13410 mSettings.writePackageRestrictionsLPr(userId); 13411 changed = true; 13412 changedPackages.add(packageName); 13413 } 13414 } 13415 13416 if (changed && suspended) { 13417 killApplication(packageName, UserHandle.getUid(userId, appId), 13418 "suspending package"); 13419 } 13420 } 13421 } finally { 13422 Binder.restoreCallingIdentity(callingId); 13423 } 13424 13425 if (!changedPackages.isEmpty()) { 13426 sendPackagesSuspendedForUser(changedPackages.toArray( 13427 new String[changedPackages.size()]), userId, suspended); 13428 } 13429 13430 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 13431 } 13432 13433 @Override 13434 public boolean isPackageSuspendedForUser(String packageName, int userId) { 13435 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13436 true /* requireFullPermission */, false /* checkShell */, 13437 "isPackageSuspendedForUser for user " + userId); 13438 synchronized (mPackages) { 13439 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13440 if (pkgSetting == null) { 13441 throw new IllegalArgumentException("Unknown target package: " + packageName); 13442 } 13443 return pkgSetting.getSuspended(userId); 13444 } 13445 } 13446 13447 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 13448 if (isPackageDeviceAdmin(packageName, userId)) { 13449 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13450 + "\": has an active device admin"); 13451 return false; 13452 } 13453 13454 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 13455 if (packageName.equals(activeLauncherPackageName)) { 13456 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13457 + "\": contains the active launcher"); 13458 return false; 13459 } 13460 13461 if (packageName.equals(mRequiredInstallerPackage)) { 13462 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13463 + "\": required for package installation"); 13464 return false; 13465 } 13466 13467 if (packageName.equals(mRequiredUninstallerPackage)) { 13468 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13469 + "\": required for package uninstallation"); 13470 return false; 13471 } 13472 13473 if (packageName.equals(mRequiredVerifierPackage)) { 13474 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13475 + "\": required for package verification"); 13476 return false; 13477 } 13478 13479 if (packageName.equals(getDefaultDialerPackageName(userId))) { 13480 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13481 + "\": is the default dialer"); 13482 return false; 13483 } 13484 13485 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13486 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13487 + "\": protected package"); 13488 return false; 13489 } 13490 13491 // Cannot suspend static shared libs as they are considered 13492 // a part of the using app (emulating static linking). Also 13493 // static libs are installed always on internal storage. 13494 PackageParser.Package pkg = mPackages.get(packageName); 13495 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 13496 Slog.w(TAG, "Cannot suspend package: " + packageName 13497 + " providing static shared library: " 13498 + pkg.staticSharedLibName); 13499 return false; 13500 } 13501 13502 return true; 13503 } 13504 13505 private String getActiveLauncherPackageName(int userId) { 13506 Intent intent = new Intent(Intent.ACTION_MAIN); 13507 intent.addCategory(Intent.CATEGORY_HOME); 13508 ResolveInfo resolveInfo = resolveIntent( 13509 intent, 13510 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 13511 PackageManager.MATCH_DEFAULT_ONLY, 13512 userId); 13513 13514 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 13515 } 13516 13517 private String getDefaultDialerPackageName(int userId) { 13518 synchronized (mPackages) { 13519 return mSettings.getDefaultDialerPackageNameLPw(userId); 13520 } 13521 } 13522 13523 @Override 13524 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 13525 mContext.enforceCallingOrSelfPermission( 13526 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13527 "Only package verification agents can verify applications"); 13528 13529 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13530 final PackageVerificationResponse response = new PackageVerificationResponse( 13531 verificationCode, Binder.getCallingUid()); 13532 msg.arg1 = id; 13533 msg.obj = response; 13534 mHandler.sendMessage(msg); 13535 } 13536 13537 @Override 13538 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 13539 long millisecondsToDelay) { 13540 mContext.enforceCallingOrSelfPermission( 13541 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13542 "Only package verification agents can extend verification timeouts"); 13543 13544 final PackageVerificationState state = mPendingVerification.get(id); 13545 final PackageVerificationResponse response = new PackageVerificationResponse( 13546 verificationCodeAtTimeout, Binder.getCallingUid()); 13547 13548 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 13549 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 13550 } 13551 if (millisecondsToDelay < 0) { 13552 millisecondsToDelay = 0; 13553 } 13554 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 13555 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 13556 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 13557 } 13558 13559 if ((state != null) && !state.timeoutExtended()) { 13560 state.extendTimeout(); 13561 13562 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13563 msg.arg1 = id; 13564 msg.obj = response; 13565 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 13566 } 13567 } 13568 13569 private void broadcastPackageVerified(int verificationId, Uri packageUri, 13570 int verificationCode, UserHandle user) { 13571 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 13572 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 13573 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13574 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13575 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 13576 13577 mContext.sendBroadcastAsUser(intent, user, 13578 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 13579 } 13580 13581 private ComponentName matchComponentForVerifier(String packageName, 13582 List<ResolveInfo> receivers) { 13583 ActivityInfo targetReceiver = null; 13584 13585 final int NR = receivers.size(); 13586 for (int i = 0; i < NR; i++) { 13587 final ResolveInfo info = receivers.get(i); 13588 if (info.activityInfo == null) { 13589 continue; 13590 } 13591 13592 if (packageName.equals(info.activityInfo.packageName)) { 13593 targetReceiver = info.activityInfo; 13594 break; 13595 } 13596 } 13597 13598 if (targetReceiver == null) { 13599 return null; 13600 } 13601 13602 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 13603 } 13604 13605 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 13606 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 13607 if (pkgInfo.verifiers.length == 0) { 13608 return null; 13609 } 13610 13611 final int N = pkgInfo.verifiers.length; 13612 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 13613 for (int i = 0; i < N; i++) { 13614 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 13615 13616 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 13617 receivers); 13618 if (comp == null) { 13619 continue; 13620 } 13621 13622 final int verifierUid = getUidForVerifier(verifierInfo); 13623 if (verifierUid == -1) { 13624 continue; 13625 } 13626 13627 if (DEBUG_VERIFY) { 13628 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 13629 + " with the correct signature"); 13630 } 13631 sufficientVerifiers.add(comp); 13632 verificationState.addSufficientVerifier(verifierUid); 13633 } 13634 13635 return sufficientVerifiers; 13636 } 13637 13638 private int getUidForVerifier(VerifierInfo verifierInfo) { 13639 synchronized (mPackages) { 13640 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 13641 if (pkg == null) { 13642 return -1; 13643 } else if (pkg.mSignatures.length != 1) { 13644 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13645 + " has more than one signature; ignoring"); 13646 return -1; 13647 } 13648 13649 /* 13650 * If the public key of the package's signature does not match 13651 * our expected public key, then this is a different package and 13652 * we should skip. 13653 */ 13654 13655 final byte[] expectedPublicKey; 13656 try { 13657 final Signature verifierSig = pkg.mSignatures[0]; 13658 final PublicKey publicKey = verifierSig.getPublicKey(); 13659 expectedPublicKey = publicKey.getEncoded(); 13660 } catch (CertificateException e) { 13661 return -1; 13662 } 13663 13664 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 13665 13666 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 13667 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13668 + " does not have the expected public key; ignoring"); 13669 return -1; 13670 } 13671 13672 return pkg.applicationInfo.uid; 13673 } 13674 } 13675 13676 @Override 13677 public void finishPackageInstall(int token, boolean didLaunch) { 13678 enforceSystemOrRoot("Only the system is allowed to finish installs"); 13679 13680 if (DEBUG_INSTALL) { 13681 Slog.v(TAG, "BM finishing package install for " + token); 13682 } 13683 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13684 13685 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 13686 mHandler.sendMessage(msg); 13687 } 13688 13689 /** 13690 * Get the verification agent timeout. 13691 * 13692 * @return verification timeout in milliseconds 13693 */ 13694 private long getVerificationTimeout() { 13695 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 13696 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 13697 DEFAULT_VERIFICATION_TIMEOUT); 13698 } 13699 13700 /** 13701 * Get the default verification agent response code. 13702 * 13703 * @return default verification response code 13704 */ 13705 private int getDefaultVerificationResponse() { 13706 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13707 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 13708 DEFAULT_VERIFICATION_RESPONSE); 13709 } 13710 13711 /** 13712 * Check whether or not package verification has been enabled. 13713 * 13714 * @return true if verification should be performed 13715 */ 13716 private boolean isVerificationEnabled(int userId, int installFlags) { 13717 if (!DEFAULT_VERIFY_ENABLE) { 13718 return false; 13719 } 13720 13721 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 13722 13723 // Check if installing from ADB 13724 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 13725 // Do not run verification in a test harness environment 13726 if (ActivityManager.isRunningInTestHarness()) { 13727 return false; 13728 } 13729 if (ensureVerifyAppsEnabled) { 13730 return true; 13731 } 13732 // Check if the developer does not want package verification for ADB installs 13733 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13734 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 13735 return false; 13736 } 13737 } 13738 13739 if (ensureVerifyAppsEnabled) { 13740 return true; 13741 } 13742 13743 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13744 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 13745 } 13746 13747 @Override 13748 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 13749 throws RemoteException { 13750 mContext.enforceCallingOrSelfPermission( 13751 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 13752 "Only intentfilter verification agents can verify applications"); 13753 13754 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 13755 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 13756 Binder.getCallingUid(), verificationCode, failedDomains); 13757 msg.arg1 = id; 13758 msg.obj = response; 13759 mHandler.sendMessage(msg); 13760 } 13761 13762 @Override 13763 public int getIntentVerificationStatus(String packageName, int userId) { 13764 synchronized (mPackages) { 13765 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 13766 } 13767 } 13768 13769 @Override 13770 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 13771 mContext.enforceCallingOrSelfPermission( 13772 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13773 13774 boolean result = false; 13775 synchronized (mPackages) { 13776 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 13777 } 13778 if (result) { 13779 scheduleWritePackageRestrictionsLocked(userId); 13780 } 13781 return result; 13782 } 13783 13784 @Override 13785 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 13786 String packageName) { 13787 synchronized (mPackages) { 13788 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 13789 } 13790 } 13791 13792 @Override 13793 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 13794 if (TextUtils.isEmpty(packageName)) { 13795 return ParceledListSlice.emptyList(); 13796 } 13797 synchronized (mPackages) { 13798 PackageParser.Package pkg = mPackages.get(packageName); 13799 if (pkg == null || pkg.activities == null) { 13800 return ParceledListSlice.emptyList(); 13801 } 13802 final int count = pkg.activities.size(); 13803 ArrayList<IntentFilter> result = new ArrayList<>(); 13804 for (int n=0; n<count; n++) { 13805 PackageParser.Activity activity = pkg.activities.get(n); 13806 if (activity.intents != null && activity.intents.size() > 0) { 13807 result.addAll(activity.intents); 13808 } 13809 } 13810 return new ParceledListSlice<>(result); 13811 } 13812 } 13813 13814 @Override 13815 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 13816 mContext.enforceCallingOrSelfPermission( 13817 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13818 13819 synchronized (mPackages) { 13820 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 13821 if (packageName != null) { 13822 result |= updateIntentVerificationStatus(packageName, 13823 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 13824 userId); 13825 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 13826 packageName, userId); 13827 } 13828 return result; 13829 } 13830 } 13831 13832 @Override 13833 public String getDefaultBrowserPackageName(int userId) { 13834 synchronized (mPackages) { 13835 return mSettings.getDefaultBrowserPackageNameLPw(userId); 13836 } 13837 } 13838 13839 /** 13840 * Get the "allow unknown sources" setting. 13841 * 13842 * @return the current "allow unknown sources" setting 13843 */ 13844 private int getUnknownSourcesSettings() { 13845 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 13846 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 13847 -1); 13848 } 13849 13850 @Override 13851 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 13852 final int uid = Binder.getCallingUid(); 13853 // writer 13854 synchronized (mPackages) { 13855 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 13856 if (targetPackageSetting == null) { 13857 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 13858 } 13859 13860 PackageSetting installerPackageSetting; 13861 if (installerPackageName != null) { 13862 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 13863 if (installerPackageSetting == null) { 13864 throw new IllegalArgumentException("Unknown installer package: " 13865 + installerPackageName); 13866 } 13867 } else { 13868 installerPackageSetting = null; 13869 } 13870 13871 Signature[] callerSignature; 13872 Object obj = mSettings.getUserIdLPr(uid); 13873 if (obj != null) { 13874 if (obj instanceof SharedUserSetting) { 13875 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 13876 } else if (obj instanceof PackageSetting) { 13877 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 13878 } else { 13879 throw new SecurityException("Bad object " + obj + " for uid " + uid); 13880 } 13881 } else { 13882 throw new SecurityException("Unknown calling UID: " + uid); 13883 } 13884 13885 // Verify: can't set installerPackageName to a package that is 13886 // not signed with the same cert as the caller. 13887 if (installerPackageSetting != null) { 13888 if (compareSignatures(callerSignature, 13889 installerPackageSetting.signatures.mSignatures) 13890 != PackageManager.SIGNATURE_MATCH) { 13891 throw new SecurityException( 13892 "Caller does not have same cert as new installer package " 13893 + installerPackageName); 13894 } 13895 } 13896 13897 // Verify: if target already has an installer package, it must 13898 // be signed with the same cert as the caller. 13899 if (targetPackageSetting.installerPackageName != null) { 13900 PackageSetting setting = mSettings.mPackages.get( 13901 targetPackageSetting.installerPackageName); 13902 // If the currently set package isn't valid, then it's always 13903 // okay to change it. 13904 if (setting != null) { 13905 if (compareSignatures(callerSignature, 13906 setting.signatures.mSignatures) 13907 != PackageManager.SIGNATURE_MATCH) { 13908 throw new SecurityException( 13909 "Caller does not have same cert as old installer package " 13910 + targetPackageSetting.installerPackageName); 13911 } 13912 } 13913 } 13914 13915 // Okay! 13916 targetPackageSetting.installerPackageName = installerPackageName; 13917 if (installerPackageName != null) { 13918 mSettings.mInstallerPackages.add(installerPackageName); 13919 } 13920 scheduleWriteSettingsLocked(); 13921 } 13922 } 13923 13924 @Override 13925 public void setApplicationCategoryHint(String packageName, int categoryHint, 13926 String callerPackageName) { 13927 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 13928 callerPackageName); 13929 synchronized (mPackages) { 13930 PackageSetting ps = mSettings.mPackages.get(packageName); 13931 if (ps == null) { 13932 throw new IllegalArgumentException("Unknown target package " + packageName); 13933 } 13934 13935 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 13936 throw new IllegalArgumentException("Calling package " + callerPackageName 13937 + " is not installer for " + packageName); 13938 } 13939 13940 if (ps.categoryHint != categoryHint) { 13941 ps.categoryHint = categoryHint; 13942 scheduleWriteSettingsLocked(); 13943 } 13944 } 13945 } 13946 13947 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 13948 // Queue up an async operation since the package installation may take a little while. 13949 mHandler.post(new Runnable() { 13950 public void run() { 13951 mHandler.removeCallbacks(this); 13952 // Result object to be returned 13953 PackageInstalledInfo res = new PackageInstalledInfo(); 13954 res.setReturnCode(currentStatus); 13955 res.uid = -1; 13956 res.pkg = null; 13957 res.removedInfo = null; 13958 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13959 args.doPreInstall(res.returnCode); 13960 synchronized (mInstallLock) { 13961 installPackageTracedLI(args, res); 13962 } 13963 args.doPostInstall(res.returnCode, res.uid); 13964 } 13965 13966 // A restore should be performed at this point if (a) the install 13967 // succeeded, (b) the operation is not an update, and (c) the new 13968 // package has not opted out of backup participation. 13969 final boolean update = res.removedInfo != null 13970 && res.removedInfo.removedPackage != null; 13971 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 13972 boolean doRestore = !update 13973 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 13974 13975 // Set up the post-install work request bookkeeping. This will be used 13976 // and cleaned up by the post-install event handling regardless of whether 13977 // there's a restore pass performed. Token values are >= 1. 13978 int token; 13979 if (mNextInstallToken < 0) mNextInstallToken = 1; 13980 token = mNextInstallToken++; 13981 13982 PostInstallData data = new PostInstallData(args, res); 13983 mRunningInstalls.put(token, data); 13984 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 13985 13986 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 13987 // Pass responsibility to the Backup Manager. It will perform a 13988 // restore if appropriate, then pass responsibility back to the 13989 // Package Manager to run the post-install observer callbacks 13990 // and broadcasts. 13991 IBackupManager bm = IBackupManager.Stub.asInterface( 13992 ServiceManager.getService(Context.BACKUP_SERVICE)); 13993 if (bm != null) { 13994 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 13995 + " to BM for possible restore"); 13996 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13997 try { 13998 // TODO: http://b/22388012 13999 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 14000 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 14001 } else { 14002 doRestore = false; 14003 } 14004 } catch (RemoteException e) { 14005 // can't happen; the backup manager is local 14006 } catch (Exception e) { 14007 Slog.e(TAG, "Exception trying to enqueue restore", e); 14008 doRestore = false; 14009 } 14010 } else { 14011 Slog.e(TAG, "Backup Manager not found!"); 14012 doRestore = false; 14013 } 14014 } 14015 14016 if (!doRestore) { 14017 // No restore possible, or the Backup Manager was mysteriously not 14018 // available -- just fire the post-install work request directly. 14019 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 14020 14021 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 14022 14023 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 14024 mHandler.sendMessage(msg); 14025 } 14026 } 14027 }); 14028 } 14029 14030 /** 14031 * Callback from PackageSettings whenever an app is first transitioned out of the 14032 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 14033 * the app was "launched" for a restoreAtInstall operation. Therefore we check 14034 * here whether the app is the target of an ongoing install, and only send the 14035 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 14036 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 14037 * handling. 14038 */ 14039 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 14040 // Serialize this with the rest of the install-process message chain. In the 14041 // restore-at-install case, this Runnable will necessarily run before the 14042 // POST_INSTALL message is processed, so the contents of mRunningInstalls 14043 // are coherent. In the non-restore case, the app has already completed install 14044 // and been launched through some other means, so it is not in a problematic 14045 // state for observers to see the FIRST_LAUNCH signal. 14046 mHandler.post(new Runnable() { 14047 @Override 14048 public void run() { 14049 for (int i = 0; i < mRunningInstalls.size(); i++) { 14050 final PostInstallData data = mRunningInstalls.valueAt(i); 14051 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14052 continue; 14053 } 14054 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 14055 // right package; but is it for the right user? 14056 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 14057 if (userId == data.res.newUsers[uIndex]) { 14058 if (DEBUG_BACKUP) { 14059 Slog.i(TAG, "Package " + pkgName 14060 + " being restored so deferring FIRST_LAUNCH"); 14061 } 14062 return; 14063 } 14064 } 14065 } 14066 } 14067 // didn't find it, so not being restored 14068 if (DEBUG_BACKUP) { 14069 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 14070 } 14071 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 14072 } 14073 }); 14074 } 14075 14076 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 14077 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 14078 installerPkg, null, userIds); 14079 } 14080 14081 private abstract class HandlerParams { 14082 private static final int MAX_RETRIES = 4; 14083 14084 /** 14085 * Number of times startCopy() has been attempted and had a non-fatal 14086 * error. 14087 */ 14088 private int mRetries = 0; 14089 14090 /** User handle for the user requesting the information or installation. */ 14091 private final UserHandle mUser; 14092 String traceMethod; 14093 int traceCookie; 14094 14095 HandlerParams(UserHandle user) { 14096 mUser = user; 14097 } 14098 14099 UserHandle getUser() { 14100 return mUser; 14101 } 14102 14103 HandlerParams setTraceMethod(String traceMethod) { 14104 this.traceMethod = traceMethod; 14105 return this; 14106 } 14107 14108 HandlerParams setTraceCookie(int traceCookie) { 14109 this.traceCookie = traceCookie; 14110 return this; 14111 } 14112 14113 final boolean startCopy() { 14114 boolean res; 14115 try { 14116 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 14117 14118 if (++mRetries > MAX_RETRIES) { 14119 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 14120 mHandler.sendEmptyMessage(MCS_GIVE_UP); 14121 handleServiceError(); 14122 return false; 14123 } else { 14124 handleStartCopy(); 14125 res = true; 14126 } 14127 } catch (RemoteException e) { 14128 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 14129 mHandler.sendEmptyMessage(MCS_RECONNECT); 14130 res = false; 14131 } 14132 handleReturnCode(); 14133 return res; 14134 } 14135 14136 final void serviceError() { 14137 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 14138 handleServiceError(); 14139 handleReturnCode(); 14140 } 14141 14142 abstract void handleStartCopy() throws RemoteException; 14143 abstract void handleServiceError(); 14144 abstract void handleReturnCode(); 14145 } 14146 14147 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 14148 for (File path : paths) { 14149 try { 14150 mcs.clearDirectory(path.getAbsolutePath()); 14151 } catch (RemoteException e) { 14152 } 14153 } 14154 } 14155 14156 static class OriginInfo { 14157 /** 14158 * Location where install is coming from, before it has been 14159 * copied/renamed into place. This could be a single monolithic APK 14160 * file, or a cluster directory. This location may be untrusted. 14161 */ 14162 final File file; 14163 final String cid; 14164 14165 /** 14166 * Flag indicating that {@link #file} or {@link #cid} has already been 14167 * staged, meaning downstream users don't need to defensively copy the 14168 * contents. 14169 */ 14170 final boolean staged; 14171 14172 /** 14173 * Flag indicating that {@link #file} or {@link #cid} is an already 14174 * installed app that is being moved. 14175 */ 14176 final boolean existing; 14177 14178 final String resolvedPath; 14179 final File resolvedFile; 14180 14181 static OriginInfo fromNothing() { 14182 return new OriginInfo(null, null, false, false); 14183 } 14184 14185 static OriginInfo fromUntrustedFile(File file) { 14186 return new OriginInfo(file, null, false, false); 14187 } 14188 14189 static OriginInfo fromExistingFile(File file) { 14190 return new OriginInfo(file, null, false, true); 14191 } 14192 14193 static OriginInfo fromStagedFile(File file) { 14194 return new OriginInfo(file, null, true, false); 14195 } 14196 14197 static OriginInfo fromStagedContainer(String cid) { 14198 return new OriginInfo(null, cid, true, false); 14199 } 14200 14201 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 14202 this.file = file; 14203 this.cid = cid; 14204 this.staged = staged; 14205 this.existing = existing; 14206 14207 if (cid != null) { 14208 resolvedPath = PackageHelper.getSdDir(cid); 14209 resolvedFile = new File(resolvedPath); 14210 } else if (file != null) { 14211 resolvedPath = file.getAbsolutePath(); 14212 resolvedFile = file; 14213 } else { 14214 resolvedPath = null; 14215 resolvedFile = null; 14216 } 14217 } 14218 } 14219 14220 static class MoveInfo { 14221 final int moveId; 14222 final String fromUuid; 14223 final String toUuid; 14224 final String packageName; 14225 final String dataAppName; 14226 final int appId; 14227 final String seinfo; 14228 final int targetSdkVersion; 14229 14230 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 14231 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 14232 this.moveId = moveId; 14233 this.fromUuid = fromUuid; 14234 this.toUuid = toUuid; 14235 this.packageName = packageName; 14236 this.dataAppName = dataAppName; 14237 this.appId = appId; 14238 this.seinfo = seinfo; 14239 this.targetSdkVersion = targetSdkVersion; 14240 } 14241 } 14242 14243 static class VerificationInfo { 14244 /** A constant used to indicate that a uid value is not present. */ 14245 public static final int NO_UID = -1; 14246 14247 /** URI referencing where the package was downloaded from. */ 14248 final Uri originatingUri; 14249 14250 /** HTTP referrer URI associated with the originatingURI. */ 14251 final Uri referrer; 14252 14253 /** UID of the application that the install request originated from. */ 14254 final int originatingUid; 14255 14256 /** UID of application requesting the install */ 14257 final int installerUid; 14258 14259 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 14260 this.originatingUri = originatingUri; 14261 this.referrer = referrer; 14262 this.originatingUid = originatingUid; 14263 this.installerUid = installerUid; 14264 } 14265 } 14266 14267 class InstallParams extends HandlerParams { 14268 final OriginInfo origin; 14269 final MoveInfo move; 14270 final IPackageInstallObserver2 observer; 14271 int installFlags; 14272 final String installerPackageName; 14273 final String volumeUuid; 14274 private InstallArgs mArgs; 14275 private int mRet; 14276 final String packageAbiOverride; 14277 final String[] grantedRuntimePermissions; 14278 final VerificationInfo verificationInfo; 14279 final Certificate[][] certificates; 14280 final int installReason; 14281 14282 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14283 int installFlags, String installerPackageName, String volumeUuid, 14284 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 14285 String[] grantedPermissions, Certificate[][] certificates, int installReason) { 14286 super(user); 14287 this.origin = origin; 14288 this.move = move; 14289 this.observer = observer; 14290 this.installFlags = installFlags; 14291 this.installerPackageName = installerPackageName; 14292 this.volumeUuid = volumeUuid; 14293 this.verificationInfo = verificationInfo; 14294 this.packageAbiOverride = packageAbiOverride; 14295 this.grantedRuntimePermissions = grantedPermissions; 14296 this.certificates = certificates; 14297 this.installReason = installReason; 14298 } 14299 14300 @Override 14301 public String toString() { 14302 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 14303 + " file=" + origin.file + " cid=" + origin.cid + "}"; 14304 } 14305 14306 private int installLocationPolicy(PackageInfoLite pkgLite) { 14307 String packageName = pkgLite.packageName; 14308 int installLocation = pkgLite.installLocation; 14309 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14310 // reader 14311 synchronized (mPackages) { 14312 // Currently installed package which the new package is attempting to replace or 14313 // null if no such package is installed. 14314 PackageParser.Package installedPkg = mPackages.get(packageName); 14315 // Package which currently owns the data which the new package will own if installed. 14316 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 14317 // will be null whereas dataOwnerPkg will contain information about the package 14318 // which was uninstalled while keeping its data. 14319 PackageParser.Package dataOwnerPkg = installedPkg; 14320 if (dataOwnerPkg == null) { 14321 PackageSetting ps = mSettings.mPackages.get(packageName); 14322 if (ps != null) { 14323 dataOwnerPkg = ps.pkg; 14324 } 14325 } 14326 14327 if (dataOwnerPkg != null) { 14328 // If installed, the package will get access to data left on the device by its 14329 // predecessor. As a security measure, this is permited only if this is not a 14330 // version downgrade or if the predecessor package is marked as debuggable and 14331 // a downgrade is explicitly requested. 14332 // 14333 // On debuggable platform builds, downgrades are permitted even for 14334 // non-debuggable packages to make testing easier. Debuggable platform builds do 14335 // not offer security guarantees and thus it's OK to disable some security 14336 // mechanisms to make debugging/testing easier on those builds. However, even on 14337 // debuggable builds downgrades of packages are permitted only if requested via 14338 // installFlags. This is because we aim to keep the behavior of debuggable 14339 // platform builds as close as possible to the behavior of non-debuggable 14340 // platform builds. 14341 final boolean downgradeRequested = 14342 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 14343 final boolean packageDebuggable = 14344 (dataOwnerPkg.applicationInfo.flags 14345 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 14346 final boolean downgradePermitted = 14347 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 14348 if (!downgradePermitted) { 14349 try { 14350 checkDowngrade(dataOwnerPkg, pkgLite); 14351 } catch (PackageManagerException e) { 14352 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 14353 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 14354 } 14355 } 14356 } 14357 14358 if (installedPkg != null) { 14359 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14360 // Check for updated system application. 14361 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 14362 if (onSd) { 14363 Slog.w(TAG, "Cannot install update to system app on sdcard"); 14364 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 14365 } 14366 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14367 } else { 14368 if (onSd) { 14369 // Install flag overrides everything. 14370 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14371 } 14372 // If current upgrade specifies particular preference 14373 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 14374 // Application explicitly specified internal. 14375 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14376 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 14377 // App explictly prefers external. Let policy decide 14378 } else { 14379 // Prefer previous location 14380 if (isExternal(installedPkg)) { 14381 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14382 } 14383 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14384 } 14385 } 14386 } else { 14387 // Invalid install. Return error code 14388 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 14389 } 14390 } 14391 } 14392 // All the special cases have been taken care of. 14393 // Return result based on recommended install location. 14394 if (onSd) { 14395 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14396 } 14397 return pkgLite.recommendedInstallLocation; 14398 } 14399 14400 /* 14401 * Invoke remote method to get package information and install 14402 * location values. Override install location based on default 14403 * policy if needed and then create install arguments based 14404 * on the install location. 14405 */ 14406 public void handleStartCopy() throws RemoteException { 14407 int ret = PackageManager.INSTALL_SUCCEEDED; 14408 14409 // If we're already staged, we've firmly committed to an install location 14410 if (origin.staged) { 14411 if (origin.file != null) { 14412 installFlags |= PackageManager.INSTALL_INTERNAL; 14413 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14414 } else if (origin.cid != null) { 14415 installFlags |= PackageManager.INSTALL_EXTERNAL; 14416 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14417 } else { 14418 throw new IllegalStateException("Invalid stage location"); 14419 } 14420 } 14421 14422 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14423 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 14424 final boolean ephemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14425 PackageInfoLite pkgLite = null; 14426 14427 if (onInt && onSd) { 14428 // Check if both bits are set. 14429 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 14430 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14431 } else if (onSd && ephemeral) { 14432 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 14433 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14434 } else { 14435 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 14436 packageAbiOverride); 14437 14438 if (DEBUG_EPHEMERAL && ephemeral) { 14439 Slog.v(TAG, "pkgLite for install: " + pkgLite); 14440 } 14441 14442 /* 14443 * If we have too little free space, try to free cache 14444 * before giving up. 14445 */ 14446 if (!origin.staged && pkgLite.recommendedInstallLocation 14447 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14448 // TODO: focus freeing disk space on the target device 14449 final StorageManager storage = StorageManager.from(mContext); 14450 final long lowThreshold = storage.getStorageLowBytes( 14451 Environment.getDataDirectory()); 14452 14453 final long sizeBytes = mContainerService.calculateInstalledSize( 14454 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 14455 14456 try { 14457 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0); 14458 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 14459 installFlags, packageAbiOverride); 14460 } catch (InstallerException e) { 14461 Slog.w(TAG, "Failed to free cache", e); 14462 } 14463 14464 /* 14465 * The cache free must have deleted the file we 14466 * downloaded to install. 14467 * 14468 * TODO: fix the "freeCache" call to not delete 14469 * the file we care about. 14470 */ 14471 if (pkgLite.recommendedInstallLocation 14472 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14473 pkgLite.recommendedInstallLocation 14474 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 14475 } 14476 } 14477 } 14478 14479 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14480 int loc = pkgLite.recommendedInstallLocation; 14481 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 14482 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14483 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 14484 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 14485 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14486 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14487 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 14488 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 14489 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14490 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 14491 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 14492 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 14493 } else { 14494 // Override with defaults if needed. 14495 loc = installLocationPolicy(pkgLite); 14496 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 14497 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 14498 } else if (!onSd && !onInt) { 14499 // Override install location with flags 14500 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 14501 // Set the flag to install on external media. 14502 installFlags |= PackageManager.INSTALL_EXTERNAL; 14503 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14504 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 14505 if (DEBUG_EPHEMERAL) { 14506 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 14507 } 14508 installFlags |= PackageManager.INSTALL_INSTANT_APP; 14509 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 14510 |PackageManager.INSTALL_INTERNAL); 14511 } else { 14512 // Make sure the flag for installing on external 14513 // media is unset 14514 installFlags |= PackageManager.INSTALL_INTERNAL; 14515 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14516 } 14517 } 14518 } 14519 } 14520 14521 final InstallArgs args = createInstallArgs(this); 14522 mArgs = args; 14523 14524 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14525 // TODO: http://b/22976637 14526 // Apps installed for "all" users use the device owner to verify the app 14527 UserHandle verifierUser = getUser(); 14528 if (verifierUser == UserHandle.ALL) { 14529 verifierUser = UserHandle.SYSTEM; 14530 } 14531 14532 /* 14533 * Determine if we have any installed package verifiers. If we 14534 * do, then we'll defer to them to verify the packages. 14535 */ 14536 final int requiredUid = mRequiredVerifierPackage == null ? -1 14537 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 14538 verifierUser.getIdentifier()); 14539 if (!origin.existing && requiredUid != -1 14540 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 14541 final Intent verification = new Intent( 14542 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 14543 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 14544 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 14545 PACKAGE_MIME_TYPE); 14546 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14547 14548 // Query all live verifiers based on current user state 14549 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 14550 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 14551 14552 if (DEBUG_VERIFY) { 14553 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 14554 + verification.toString() + " with " + pkgLite.verifiers.length 14555 + " optional verifiers"); 14556 } 14557 14558 final int verificationId = mPendingVerificationToken++; 14559 14560 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14561 14562 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 14563 installerPackageName); 14564 14565 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 14566 installFlags); 14567 14568 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 14569 pkgLite.packageName); 14570 14571 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 14572 pkgLite.versionCode); 14573 14574 if (verificationInfo != null) { 14575 if (verificationInfo.originatingUri != null) { 14576 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 14577 verificationInfo.originatingUri); 14578 } 14579 if (verificationInfo.referrer != null) { 14580 verification.putExtra(Intent.EXTRA_REFERRER, 14581 verificationInfo.referrer); 14582 } 14583 if (verificationInfo.originatingUid >= 0) { 14584 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 14585 verificationInfo.originatingUid); 14586 } 14587 if (verificationInfo.installerUid >= 0) { 14588 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 14589 verificationInfo.installerUid); 14590 } 14591 } 14592 14593 final PackageVerificationState verificationState = new PackageVerificationState( 14594 requiredUid, args); 14595 14596 mPendingVerification.append(verificationId, verificationState); 14597 14598 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 14599 receivers, verificationState); 14600 14601 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 14602 final long idleDuration = getVerificationTimeout(); 14603 14604 /* 14605 * If any sufficient verifiers were listed in the package 14606 * manifest, attempt to ask them. 14607 */ 14608 if (sufficientVerifiers != null) { 14609 final int N = sufficientVerifiers.size(); 14610 if (N == 0) { 14611 Slog.i(TAG, "Additional verifiers required, but none installed."); 14612 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 14613 } else { 14614 for (int i = 0; i < N; i++) { 14615 final ComponentName verifierComponent = sufficientVerifiers.get(i); 14616 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14617 verifierComponent.getPackageName(), idleDuration, 14618 verifierUser.getIdentifier(), false, "package verifier"); 14619 14620 final Intent sufficientIntent = new Intent(verification); 14621 sufficientIntent.setComponent(verifierComponent); 14622 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 14623 } 14624 } 14625 } 14626 14627 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 14628 mRequiredVerifierPackage, receivers); 14629 if (ret == PackageManager.INSTALL_SUCCEEDED 14630 && mRequiredVerifierPackage != null) { 14631 Trace.asyncTraceBegin( 14632 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 14633 /* 14634 * Send the intent to the required verification agent, 14635 * but only start the verification timeout after the 14636 * target BroadcastReceivers have run. 14637 */ 14638 verification.setComponent(requiredVerifierComponent); 14639 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14640 mRequiredVerifierPackage, idleDuration, 14641 verifierUser.getIdentifier(), false, "package verifier"); 14642 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 14643 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14644 new BroadcastReceiver() { 14645 @Override 14646 public void onReceive(Context context, Intent intent) { 14647 final Message msg = mHandler 14648 .obtainMessage(CHECK_PENDING_VERIFICATION); 14649 msg.arg1 = verificationId; 14650 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 14651 } 14652 }, null, 0, null, null); 14653 14654 /* 14655 * We don't want the copy to proceed until verification 14656 * succeeds, so null out this field. 14657 */ 14658 mArgs = null; 14659 } 14660 } else { 14661 /* 14662 * No package verification is enabled, so immediately start 14663 * the remote call to initiate copy using temporary file. 14664 */ 14665 ret = args.copyApk(mContainerService, true); 14666 } 14667 } 14668 14669 mRet = ret; 14670 } 14671 14672 @Override 14673 void handleReturnCode() { 14674 // If mArgs is null, then MCS couldn't be reached. When it 14675 // reconnects, it will try again to install. At that point, this 14676 // will succeed. 14677 if (mArgs != null) { 14678 processPendingInstall(mArgs, mRet); 14679 } 14680 } 14681 14682 @Override 14683 void handleServiceError() { 14684 mArgs = createInstallArgs(this); 14685 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14686 } 14687 14688 public boolean isForwardLocked() { 14689 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14690 } 14691 } 14692 14693 /** 14694 * Used during creation of InstallArgs 14695 * 14696 * @param installFlags package installation flags 14697 * @return true if should be installed on external storage 14698 */ 14699 private static boolean installOnExternalAsec(int installFlags) { 14700 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 14701 return false; 14702 } 14703 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 14704 return true; 14705 } 14706 return false; 14707 } 14708 14709 /** 14710 * Used during creation of InstallArgs 14711 * 14712 * @param installFlags package installation flags 14713 * @return true if should be installed as forward locked 14714 */ 14715 private static boolean installForwardLocked(int installFlags) { 14716 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14717 } 14718 14719 private InstallArgs createInstallArgs(InstallParams params) { 14720 if (params.move != null) { 14721 return new MoveInstallArgs(params); 14722 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 14723 return new AsecInstallArgs(params); 14724 } else { 14725 return new FileInstallArgs(params); 14726 } 14727 } 14728 14729 /** 14730 * Create args that describe an existing installed package. Typically used 14731 * when cleaning up old installs, or used as a move source. 14732 */ 14733 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 14734 String resourcePath, String[] instructionSets) { 14735 final boolean isInAsec; 14736 if (installOnExternalAsec(installFlags)) { 14737 /* Apps on SD card are always in ASEC containers. */ 14738 isInAsec = true; 14739 } else if (installForwardLocked(installFlags) 14740 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 14741 /* 14742 * Forward-locked apps are only in ASEC containers if they're the 14743 * new style 14744 */ 14745 isInAsec = true; 14746 } else { 14747 isInAsec = false; 14748 } 14749 14750 if (isInAsec) { 14751 return new AsecInstallArgs(codePath, instructionSets, 14752 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 14753 } else { 14754 return new FileInstallArgs(codePath, resourcePath, instructionSets); 14755 } 14756 } 14757 14758 static abstract class InstallArgs { 14759 /** @see InstallParams#origin */ 14760 final OriginInfo origin; 14761 /** @see InstallParams#move */ 14762 final MoveInfo move; 14763 14764 final IPackageInstallObserver2 observer; 14765 // Always refers to PackageManager flags only 14766 final int installFlags; 14767 final String installerPackageName; 14768 final String volumeUuid; 14769 final UserHandle user; 14770 final String abiOverride; 14771 final String[] installGrantPermissions; 14772 /** If non-null, drop an async trace when the install completes */ 14773 final String traceMethod; 14774 final int traceCookie; 14775 final Certificate[][] certificates; 14776 final int installReason; 14777 14778 // The list of instruction sets supported by this app. This is currently 14779 // only used during the rmdex() phase to clean up resources. We can get rid of this 14780 // if we move dex files under the common app path. 14781 /* nullable */ String[] instructionSets; 14782 14783 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14784 int installFlags, String installerPackageName, String volumeUuid, 14785 UserHandle user, String[] instructionSets, 14786 String abiOverride, String[] installGrantPermissions, 14787 String traceMethod, int traceCookie, Certificate[][] certificates, 14788 int installReason) { 14789 this.origin = origin; 14790 this.move = move; 14791 this.installFlags = installFlags; 14792 this.observer = observer; 14793 this.installerPackageName = installerPackageName; 14794 this.volumeUuid = volumeUuid; 14795 this.user = user; 14796 this.instructionSets = instructionSets; 14797 this.abiOverride = abiOverride; 14798 this.installGrantPermissions = installGrantPermissions; 14799 this.traceMethod = traceMethod; 14800 this.traceCookie = traceCookie; 14801 this.certificates = certificates; 14802 this.installReason = installReason; 14803 } 14804 14805 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 14806 abstract int doPreInstall(int status); 14807 14808 /** 14809 * Rename package into final resting place. All paths on the given 14810 * scanned package should be updated to reflect the rename. 14811 */ 14812 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 14813 abstract int doPostInstall(int status, int uid); 14814 14815 /** @see PackageSettingBase#codePathString */ 14816 abstract String getCodePath(); 14817 /** @see PackageSettingBase#resourcePathString */ 14818 abstract String getResourcePath(); 14819 14820 // Need installer lock especially for dex file removal. 14821 abstract void cleanUpResourcesLI(); 14822 abstract boolean doPostDeleteLI(boolean delete); 14823 14824 /** 14825 * Called before the source arguments are copied. This is used mostly 14826 * for MoveParams when it needs to read the source file to put it in the 14827 * destination. 14828 */ 14829 int doPreCopy() { 14830 return PackageManager.INSTALL_SUCCEEDED; 14831 } 14832 14833 /** 14834 * Called after the source arguments are copied. This is used mostly for 14835 * MoveParams when it needs to read the source file to put it in the 14836 * destination. 14837 */ 14838 int doPostCopy(int uid) { 14839 return PackageManager.INSTALL_SUCCEEDED; 14840 } 14841 14842 protected boolean isFwdLocked() { 14843 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14844 } 14845 14846 protected boolean isExternalAsec() { 14847 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14848 } 14849 14850 protected boolean isEphemeral() { 14851 return (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14852 } 14853 14854 UserHandle getUser() { 14855 return user; 14856 } 14857 } 14858 14859 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 14860 if (!allCodePaths.isEmpty()) { 14861 if (instructionSets == null) { 14862 throw new IllegalStateException("instructionSet == null"); 14863 } 14864 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 14865 for (String codePath : allCodePaths) { 14866 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 14867 try { 14868 mInstaller.rmdex(codePath, dexCodeInstructionSet); 14869 } catch (InstallerException ignored) { 14870 } 14871 } 14872 } 14873 } 14874 } 14875 14876 /** 14877 * Logic to handle installation of non-ASEC applications, including copying 14878 * and renaming logic. 14879 */ 14880 class FileInstallArgs extends InstallArgs { 14881 private File codeFile; 14882 private File resourceFile; 14883 14884 // Example topology: 14885 // /data/app/com.example/base.apk 14886 // /data/app/com.example/split_foo.apk 14887 // /data/app/com.example/lib/arm/libfoo.so 14888 // /data/app/com.example/lib/arm64/libfoo.so 14889 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 14890 14891 /** New install */ 14892 FileInstallArgs(InstallParams params) { 14893 super(params.origin, params.move, params.observer, params.installFlags, 14894 params.installerPackageName, params.volumeUuid, 14895 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 14896 params.grantedRuntimePermissions, 14897 params.traceMethod, params.traceCookie, params.certificates, 14898 params.installReason); 14899 if (isFwdLocked()) { 14900 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 14901 } 14902 } 14903 14904 /** Existing install */ 14905 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 14906 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 14907 null, null, null, 0, null /*certificates*/, 14908 PackageManager.INSTALL_REASON_UNKNOWN); 14909 this.codeFile = (codePath != null) ? new File(codePath) : null; 14910 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 14911 } 14912 14913 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14914 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 14915 try { 14916 return doCopyApk(imcs, temp); 14917 } finally { 14918 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14919 } 14920 } 14921 14922 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14923 if (origin.staged) { 14924 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 14925 codeFile = origin.file; 14926 resourceFile = origin.file; 14927 return PackageManager.INSTALL_SUCCEEDED; 14928 } 14929 14930 try { 14931 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14932 final File tempDir = 14933 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 14934 codeFile = tempDir; 14935 resourceFile = tempDir; 14936 } catch (IOException e) { 14937 Slog.w(TAG, "Failed to create copy file: " + e); 14938 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14939 } 14940 14941 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 14942 @Override 14943 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 14944 if (!FileUtils.isValidExtFilename(name)) { 14945 throw new IllegalArgumentException("Invalid filename: " + name); 14946 } 14947 try { 14948 final File file = new File(codeFile, name); 14949 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 14950 O_RDWR | O_CREAT, 0644); 14951 Os.chmod(file.getAbsolutePath(), 0644); 14952 return new ParcelFileDescriptor(fd); 14953 } catch (ErrnoException e) { 14954 throw new RemoteException("Failed to open: " + e.getMessage()); 14955 } 14956 } 14957 }; 14958 14959 int ret = PackageManager.INSTALL_SUCCEEDED; 14960 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 14961 if (ret != PackageManager.INSTALL_SUCCEEDED) { 14962 Slog.e(TAG, "Failed to copy package"); 14963 return ret; 14964 } 14965 14966 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 14967 NativeLibraryHelper.Handle handle = null; 14968 try { 14969 handle = NativeLibraryHelper.Handle.create(codeFile); 14970 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 14971 abiOverride); 14972 } catch (IOException e) { 14973 Slog.e(TAG, "Copying native libraries failed", e); 14974 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14975 } finally { 14976 IoUtils.closeQuietly(handle); 14977 } 14978 14979 return ret; 14980 } 14981 14982 int doPreInstall(int status) { 14983 if (status != PackageManager.INSTALL_SUCCEEDED) { 14984 cleanUp(); 14985 } 14986 return status; 14987 } 14988 14989 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14990 if (status != PackageManager.INSTALL_SUCCEEDED) { 14991 cleanUp(); 14992 return false; 14993 } 14994 14995 final File targetDir = codeFile.getParentFile(); 14996 final File beforeCodeFile = codeFile; 14997 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 14998 14999 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 15000 try { 15001 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 15002 } catch (ErrnoException e) { 15003 Slog.w(TAG, "Failed to rename", e); 15004 return false; 15005 } 15006 15007 if (!SELinux.restoreconRecursive(afterCodeFile)) { 15008 Slog.w(TAG, "Failed to restorecon"); 15009 return false; 15010 } 15011 15012 // Reflect the rename internally 15013 codeFile = afterCodeFile; 15014 resourceFile = afterCodeFile; 15015 15016 // Reflect the rename in scanned details 15017 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15018 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15019 afterCodeFile, pkg.baseCodePath)); 15020 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15021 afterCodeFile, pkg.splitCodePaths)); 15022 15023 // Reflect the rename in app info 15024 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15025 pkg.setApplicationInfoCodePath(pkg.codePath); 15026 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15027 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15028 pkg.setApplicationInfoResourcePath(pkg.codePath); 15029 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15030 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15031 15032 return true; 15033 } 15034 15035 int doPostInstall(int status, int uid) { 15036 if (status != PackageManager.INSTALL_SUCCEEDED) { 15037 cleanUp(); 15038 } 15039 return status; 15040 } 15041 15042 @Override 15043 String getCodePath() { 15044 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15045 } 15046 15047 @Override 15048 String getResourcePath() { 15049 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15050 } 15051 15052 private boolean cleanUp() { 15053 if (codeFile == null || !codeFile.exists()) { 15054 return false; 15055 } 15056 15057 removeCodePathLI(codeFile); 15058 15059 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 15060 resourceFile.delete(); 15061 } 15062 15063 return true; 15064 } 15065 15066 void cleanUpResourcesLI() { 15067 // Try enumerating all code paths before deleting 15068 List<String> allCodePaths = Collections.EMPTY_LIST; 15069 if (codeFile != null && codeFile.exists()) { 15070 try { 15071 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15072 allCodePaths = pkg.getAllCodePaths(); 15073 } catch (PackageParserException e) { 15074 // Ignored; we tried our best 15075 } 15076 } 15077 15078 cleanUp(); 15079 removeDexFiles(allCodePaths, instructionSets); 15080 } 15081 15082 boolean doPostDeleteLI(boolean delete) { 15083 // XXX err, shouldn't we respect the delete flag? 15084 cleanUpResourcesLI(); 15085 return true; 15086 } 15087 } 15088 15089 private boolean isAsecExternal(String cid) { 15090 final String asecPath = PackageHelper.getSdFilesystem(cid); 15091 return !asecPath.startsWith(mAsecInternalPath); 15092 } 15093 15094 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 15095 PackageManagerException { 15096 if (copyRet < 0) { 15097 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 15098 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 15099 throw new PackageManagerException(copyRet, message); 15100 } 15101 } 15102 } 15103 15104 /** 15105 * Extract the StorageManagerService "container ID" from the full code path of an 15106 * .apk. 15107 */ 15108 static String cidFromCodePath(String fullCodePath) { 15109 int eidx = fullCodePath.lastIndexOf("/"); 15110 String subStr1 = fullCodePath.substring(0, eidx); 15111 int sidx = subStr1.lastIndexOf("/"); 15112 return subStr1.substring(sidx+1, eidx); 15113 } 15114 15115 /** 15116 * Logic to handle installation of ASEC applications, including copying and 15117 * renaming logic. 15118 */ 15119 class AsecInstallArgs extends InstallArgs { 15120 static final String RES_FILE_NAME = "pkg.apk"; 15121 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 15122 15123 String cid; 15124 String packagePath; 15125 String resourcePath; 15126 15127 /** New install */ 15128 AsecInstallArgs(InstallParams params) { 15129 super(params.origin, params.move, params.observer, params.installFlags, 15130 params.installerPackageName, params.volumeUuid, 15131 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15132 params.grantedRuntimePermissions, 15133 params.traceMethod, params.traceCookie, params.certificates, 15134 params.installReason); 15135 } 15136 15137 /** Existing install */ 15138 AsecInstallArgs(String fullCodePath, String[] instructionSets, 15139 boolean isExternal, boolean isForwardLocked) { 15140 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 15141 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15142 instructionSets, null, null, null, 0, null /*certificates*/, 15143 PackageManager.INSTALL_REASON_UNKNOWN); 15144 // Hackily pretend we're still looking at a full code path 15145 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 15146 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 15147 } 15148 15149 // Extract cid from fullCodePath 15150 int eidx = fullCodePath.lastIndexOf("/"); 15151 String subStr1 = fullCodePath.substring(0, eidx); 15152 int sidx = subStr1.lastIndexOf("/"); 15153 cid = subStr1.substring(sidx+1, eidx); 15154 setMountPath(subStr1); 15155 } 15156 15157 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 15158 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 15159 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15160 instructionSets, null, null, null, 0, null /*certificates*/, 15161 PackageManager.INSTALL_REASON_UNKNOWN); 15162 this.cid = cid; 15163 setMountPath(PackageHelper.getSdDir(cid)); 15164 } 15165 15166 void createCopyFile() { 15167 cid = mInstallerService.allocateExternalStageCidLegacy(); 15168 } 15169 15170 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15171 if (origin.staged && origin.cid != null) { 15172 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 15173 cid = origin.cid; 15174 setMountPath(PackageHelper.getSdDir(cid)); 15175 return PackageManager.INSTALL_SUCCEEDED; 15176 } 15177 15178 if (temp) { 15179 createCopyFile(); 15180 } else { 15181 /* 15182 * Pre-emptively destroy the container since it's destroyed if 15183 * copying fails due to it existing anyway. 15184 */ 15185 PackageHelper.destroySdDir(cid); 15186 } 15187 15188 final String newMountPath = imcs.copyPackageToContainer( 15189 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 15190 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 15191 15192 if (newMountPath != null) { 15193 setMountPath(newMountPath); 15194 return PackageManager.INSTALL_SUCCEEDED; 15195 } else { 15196 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15197 } 15198 } 15199 15200 @Override 15201 String getCodePath() { 15202 return packagePath; 15203 } 15204 15205 @Override 15206 String getResourcePath() { 15207 return resourcePath; 15208 } 15209 15210 int doPreInstall(int status) { 15211 if (status != PackageManager.INSTALL_SUCCEEDED) { 15212 // Destroy container 15213 PackageHelper.destroySdDir(cid); 15214 } else { 15215 boolean mounted = PackageHelper.isContainerMounted(cid); 15216 if (!mounted) { 15217 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 15218 Process.SYSTEM_UID); 15219 if (newMountPath != null) { 15220 setMountPath(newMountPath); 15221 } else { 15222 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15223 } 15224 } 15225 } 15226 return status; 15227 } 15228 15229 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15230 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 15231 String newMountPath = null; 15232 if (PackageHelper.isContainerMounted(cid)) { 15233 // Unmount the container 15234 if (!PackageHelper.unMountSdDir(cid)) { 15235 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 15236 return false; 15237 } 15238 } 15239 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15240 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 15241 " which might be stale. Will try to clean up."); 15242 // Clean up the stale container and proceed to recreate. 15243 if (!PackageHelper.destroySdDir(newCacheId)) { 15244 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 15245 return false; 15246 } 15247 // Successfully cleaned up stale container. Try to rename again. 15248 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15249 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 15250 + " inspite of cleaning it up."); 15251 return false; 15252 } 15253 } 15254 if (!PackageHelper.isContainerMounted(newCacheId)) { 15255 Slog.w(TAG, "Mounting container " + newCacheId); 15256 newMountPath = PackageHelper.mountSdDir(newCacheId, 15257 getEncryptKey(), Process.SYSTEM_UID); 15258 } else { 15259 newMountPath = PackageHelper.getSdDir(newCacheId); 15260 } 15261 if (newMountPath == null) { 15262 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 15263 return false; 15264 } 15265 Log.i(TAG, "Succesfully renamed " + cid + 15266 " to " + newCacheId + 15267 " at new path: " + newMountPath); 15268 cid = newCacheId; 15269 15270 final File beforeCodeFile = new File(packagePath); 15271 setMountPath(newMountPath); 15272 final File afterCodeFile = new File(packagePath); 15273 15274 // Reflect the rename in scanned details 15275 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15276 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15277 afterCodeFile, pkg.baseCodePath)); 15278 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15279 afterCodeFile, pkg.splitCodePaths)); 15280 15281 // Reflect the rename in app info 15282 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15283 pkg.setApplicationInfoCodePath(pkg.codePath); 15284 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15285 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15286 pkg.setApplicationInfoResourcePath(pkg.codePath); 15287 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15288 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15289 15290 return true; 15291 } 15292 15293 private void setMountPath(String mountPath) { 15294 final File mountFile = new File(mountPath); 15295 15296 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 15297 if (monolithicFile.exists()) { 15298 packagePath = monolithicFile.getAbsolutePath(); 15299 if (isFwdLocked()) { 15300 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 15301 } else { 15302 resourcePath = packagePath; 15303 } 15304 } else { 15305 packagePath = mountFile.getAbsolutePath(); 15306 resourcePath = packagePath; 15307 } 15308 } 15309 15310 int doPostInstall(int status, int uid) { 15311 if (status != PackageManager.INSTALL_SUCCEEDED) { 15312 cleanUp(); 15313 } else { 15314 final int groupOwner; 15315 final String protectedFile; 15316 if (isFwdLocked()) { 15317 groupOwner = UserHandle.getSharedAppGid(uid); 15318 protectedFile = RES_FILE_NAME; 15319 } else { 15320 groupOwner = -1; 15321 protectedFile = null; 15322 } 15323 15324 if (uid < Process.FIRST_APPLICATION_UID 15325 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 15326 Slog.e(TAG, "Failed to finalize " + cid); 15327 PackageHelper.destroySdDir(cid); 15328 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15329 } 15330 15331 boolean mounted = PackageHelper.isContainerMounted(cid); 15332 if (!mounted) { 15333 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 15334 } 15335 } 15336 return status; 15337 } 15338 15339 private void cleanUp() { 15340 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 15341 15342 // Destroy secure container 15343 PackageHelper.destroySdDir(cid); 15344 } 15345 15346 private List<String> getAllCodePaths() { 15347 final File codeFile = new File(getCodePath()); 15348 if (codeFile != null && codeFile.exists()) { 15349 try { 15350 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15351 return pkg.getAllCodePaths(); 15352 } catch (PackageParserException e) { 15353 // Ignored; we tried our best 15354 } 15355 } 15356 return Collections.EMPTY_LIST; 15357 } 15358 15359 void cleanUpResourcesLI() { 15360 // Enumerate all code paths before deleting 15361 cleanUpResourcesLI(getAllCodePaths()); 15362 } 15363 15364 private void cleanUpResourcesLI(List<String> allCodePaths) { 15365 cleanUp(); 15366 removeDexFiles(allCodePaths, instructionSets); 15367 } 15368 15369 String getPackageName() { 15370 return getAsecPackageName(cid); 15371 } 15372 15373 boolean doPostDeleteLI(boolean delete) { 15374 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 15375 final List<String> allCodePaths = getAllCodePaths(); 15376 boolean mounted = PackageHelper.isContainerMounted(cid); 15377 if (mounted) { 15378 // Unmount first 15379 if (PackageHelper.unMountSdDir(cid)) { 15380 mounted = false; 15381 } 15382 } 15383 if (!mounted && delete) { 15384 cleanUpResourcesLI(allCodePaths); 15385 } 15386 return !mounted; 15387 } 15388 15389 @Override 15390 int doPreCopy() { 15391 if (isFwdLocked()) { 15392 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 15393 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 15394 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15395 } 15396 } 15397 15398 return PackageManager.INSTALL_SUCCEEDED; 15399 } 15400 15401 @Override 15402 int doPostCopy(int uid) { 15403 if (isFwdLocked()) { 15404 if (uid < Process.FIRST_APPLICATION_UID 15405 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 15406 RES_FILE_NAME)) { 15407 Slog.e(TAG, "Failed to finalize " + cid); 15408 PackageHelper.destroySdDir(cid); 15409 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15410 } 15411 } 15412 15413 return PackageManager.INSTALL_SUCCEEDED; 15414 } 15415 } 15416 15417 /** 15418 * Logic to handle movement of existing installed applications. 15419 */ 15420 class MoveInstallArgs extends InstallArgs { 15421 private File codeFile; 15422 private File resourceFile; 15423 15424 /** New install */ 15425 MoveInstallArgs(InstallParams params) { 15426 super(params.origin, params.move, params.observer, params.installFlags, 15427 params.installerPackageName, params.volumeUuid, 15428 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15429 params.grantedRuntimePermissions, 15430 params.traceMethod, params.traceCookie, params.certificates, 15431 params.installReason); 15432 } 15433 15434 int copyApk(IMediaContainerService imcs, boolean temp) { 15435 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 15436 + move.fromUuid + " to " + move.toUuid); 15437 synchronized (mInstaller) { 15438 try { 15439 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 15440 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 15441 } catch (InstallerException e) { 15442 Slog.w(TAG, "Failed to move app", e); 15443 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15444 } 15445 } 15446 15447 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 15448 resourceFile = codeFile; 15449 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 15450 15451 return PackageManager.INSTALL_SUCCEEDED; 15452 } 15453 15454 int doPreInstall(int status) { 15455 if (status != PackageManager.INSTALL_SUCCEEDED) { 15456 cleanUp(move.toUuid); 15457 } 15458 return status; 15459 } 15460 15461 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15462 if (status != PackageManager.INSTALL_SUCCEEDED) { 15463 cleanUp(move.toUuid); 15464 return false; 15465 } 15466 15467 // Reflect the move in app info 15468 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15469 pkg.setApplicationInfoCodePath(pkg.codePath); 15470 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15471 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15472 pkg.setApplicationInfoResourcePath(pkg.codePath); 15473 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15474 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15475 15476 return true; 15477 } 15478 15479 int doPostInstall(int status, int uid) { 15480 if (status == PackageManager.INSTALL_SUCCEEDED) { 15481 cleanUp(move.fromUuid); 15482 } else { 15483 cleanUp(move.toUuid); 15484 } 15485 return status; 15486 } 15487 15488 @Override 15489 String getCodePath() { 15490 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15491 } 15492 15493 @Override 15494 String getResourcePath() { 15495 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15496 } 15497 15498 private boolean cleanUp(String volumeUuid) { 15499 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 15500 move.dataAppName); 15501 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 15502 final int[] userIds = sUserManager.getUserIds(); 15503 synchronized (mInstallLock) { 15504 // Clean up both app data and code 15505 // All package moves are frozen until finished 15506 for (int userId : userIds) { 15507 try { 15508 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 15509 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 15510 } catch (InstallerException e) { 15511 Slog.w(TAG, String.valueOf(e)); 15512 } 15513 } 15514 removeCodePathLI(codeFile); 15515 } 15516 return true; 15517 } 15518 15519 void cleanUpResourcesLI() { 15520 throw new UnsupportedOperationException(); 15521 } 15522 15523 boolean doPostDeleteLI(boolean delete) { 15524 throw new UnsupportedOperationException(); 15525 } 15526 } 15527 15528 static String getAsecPackageName(String packageCid) { 15529 int idx = packageCid.lastIndexOf("-"); 15530 if (idx == -1) { 15531 return packageCid; 15532 } 15533 return packageCid.substring(0, idx); 15534 } 15535 15536 // Utility method used to create code paths based on package name and available index. 15537 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 15538 String idxStr = ""; 15539 int idx = 1; 15540 // Fall back to default value of idx=1 if prefix is not 15541 // part of oldCodePath 15542 if (oldCodePath != null) { 15543 String subStr = oldCodePath; 15544 // Drop the suffix right away 15545 if (suffix != null && subStr.endsWith(suffix)) { 15546 subStr = subStr.substring(0, subStr.length() - suffix.length()); 15547 } 15548 // If oldCodePath already contains prefix find out the 15549 // ending index to either increment or decrement. 15550 int sidx = subStr.lastIndexOf(prefix); 15551 if (sidx != -1) { 15552 subStr = subStr.substring(sidx + prefix.length()); 15553 if (subStr != null) { 15554 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 15555 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 15556 } 15557 try { 15558 idx = Integer.parseInt(subStr); 15559 if (idx <= 1) { 15560 idx++; 15561 } else { 15562 idx--; 15563 } 15564 } catch(NumberFormatException e) { 15565 } 15566 } 15567 } 15568 } 15569 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 15570 return prefix + idxStr; 15571 } 15572 15573 private File getNextCodePath(File targetDir, String packageName) { 15574 File result; 15575 SecureRandom random = new SecureRandom(); 15576 byte[] bytes = new byte[16]; 15577 do { 15578 random.nextBytes(bytes); 15579 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 15580 result = new File(targetDir, packageName + "-" + suffix); 15581 } while (result.exists()); 15582 return result; 15583 } 15584 15585 // Utility method that returns the relative package path with respect 15586 // to the installation directory. Like say for /data/data/com.test-1.apk 15587 // string com.test-1 is returned. 15588 static String deriveCodePathName(String codePath) { 15589 if (codePath == null) { 15590 return null; 15591 } 15592 final File codeFile = new File(codePath); 15593 final String name = codeFile.getName(); 15594 if (codeFile.isDirectory()) { 15595 return name; 15596 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 15597 final int lastDot = name.lastIndexOf('.'); 15598 return name.substring(0, lastDot); 15599 } else { 15600 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 15601 return null; 15602 } 15603 } 15604 15605 static class PackageInstalledInfo { 15606 String name; 15607 int uid; 15608 // The set of users that originally had this package installed. 15609 int[] origUsers; 15610 // The set of users that now have this package installed. 15611 int[] newUsers; 15612 PackageParser.Package pkg; 15613 int returnCode; 15614 String returnMsg; 15615 PackageRemovedInfo removedInfo; 15616 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 15617 15618 public void setError(int code, String msg) { 15619 setReturnCode(code); 15620 setReturnMessage(msg); 15621 Slog.w(TAG, msg); 15622 } 15623 15624 public void setError(String msg, PackageParserException e) { 15625 setReturnCode(e.error); 15626 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15627 Slog.w(TAG, msg, e); 15628 } 15629 15630 public void setError(String msg, PackageManagerException e) { 15631 returnCode = e.error; 15632 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15633 Slog.w(TAG, msg, e); 15634 } 15635 15636 public void setReturnCode(int returnCode) { 15637 this.returnCode = returnCode; 15638 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15639 for (int i = 0; i < childCount; i++) { 15640 addedChildPackages.valueAt(i).returnCode = returnCode; 15641 } 15642 } 15643 15644 private void setReturnMessage(String returnMsg) { 15645 this.returnMsg = returnMsg; 15646 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15647 for (int i = 0; i < childCount; i++) { 15648 addedChildPackages.valueAt(i).returnMsg = returnMsg; 15649 } 15650 } 15651 15652 // In some error cases we want to convey more info back to the observer 15653 String origPackage; 15654 String origPermission; 15655 } 15656 15657 /* 15658 * Install a non-existing package. 15659 */ 15660 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 15661 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 15662 PackageInstalledInfo res, int installReason) { 15663 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 15664 15665 // Remember this for later, in case we need to rollback this install 15666 String pkgName = pkg.packageName; 15667 15668 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 15669 15670 synchronized(mPackages) { 15671 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 15672 if (renamedPackage != null) { 15673 // A package with the same name is already installed, though 15674 // it has been renamed to an older name. The package we 15675 // are trying to install should be installed as an update to 15676 // the existing one, but that has not been requested, so bail. 15677 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15678 + " without first uninstalling package running as " 15679 + renamedPackage); 15680 return; 15681 } 15682 if (mPackages.containsKey(pkgName)) { 15683 // Don't allow installation over an existing package with the same name. 15684 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15685 + " without first uninstalling."); 15686 return; 15687 } 15688 } 15689 15690 try { 15691 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 15692 System.currentTimeMillis(), user); 15693 15694 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 15695 15696 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15697 prepareAppDataAfterInstallLIF(newPackage); 15698 15699 } else { 15700 // Remove package from internal structures, but keep around any 15701 // data that might have already existed 15702 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 15703 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 15704 } 15705 } catch (PackageManagerException e) { 15706 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15707 } 15708 15709 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15710 } 15711 15712 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 15713 // Can't rotate keys during boot or if sharedUser. 15714 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 15715 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 15716 return false; 15717 } 15718 // app is using upgradeKeySets; make sure all are valid 15719 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15720 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 15721 for (int i = 0; i < upgradeKeySets.length; i++) { 15722 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 15723 Slog.wtf(TAG, "Package " 15724 + (oldPs.name != null ? oldPs.name : "<null>") 15725 + " contains upgrade-key-set reference to unknown key-set: " 15726 + upgradeKeySets[i] 15727 + " reverting to signatures check."); 15728 return false; 15729 } 15730 } 15731 return true; 15732 } 15733 15734 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 15735 // Upgrade keysets are being used. Determine if new package has a superset of the 15736 // required keys. 15737 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 15738 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15739 for (int i = 0; i < upgradeKeySets.length; i++) { 15740 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 15741 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 15742 return true; 15743 } 15744 } 15745 return false; 15746 } 15747 15748 private static void updateDigest(MessageDigest digest, File file) throws IOException { 15749 try (DigestInputStream digestStream = 15750 new DigestInputStream(new FileInputStream(file), digest)) { 15751 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 15752 } 15753 } 15754 15755 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 15756 UserHandle user, String installerPackageName, PackageInstalledInfo res, 15757 int installReason) { 15758 final boolean isInstantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 15759 15760 final PackageParser.Package oldPackage; 15761 final String pkgName = pkg.packageName; 15762 final int[] allUsers; 15763 final int[] installedUsers; 15764 15765 synchronized(mPackages) { 15766 oldPackage = mPackages.get(pkgName); 15767 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 15768 15769 // don't allow upgrade to target a release SDK from a pre-release SDK 15770 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 15771 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15772 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 15773 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15774 if (oldTargetsPreRelease 15775 && !newTargetsPreRelease 15776 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 15777 Slog.w(TAG, "Can't install package targeting released sdk"); 15778 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 15779 return; 15780 } 15781 15782 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15783 15784 // verify signatures are valid 15785 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15786 if (!checkUpgradeKeySetLP(ps, pkg)) { 15787 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15788 "New package not signed by keys specified by upgrade-keysets: " 15789 + pkgName); 15790 return; 15791 } 15792 } else { 15793 // default to original signature matching 15794 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 15795 != PackageManager.SIGNATURE_MATCH) { 15796 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15797 "New package has a different signature: " + pkgName); 15798 return; 15799 } 15800 } 15801 15802 // don't allow a system upgrade unless the upgrade hash matches 15803 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 15804 byte[] digestBytes = null; 15805 try { 15806 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 15807 updateDigest(digest, new File(pkg.baseCodePath)); 15808 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 15809 for (String path : pkg.splitCodePaths) { 15810 updateDigest(digest, new File(path)); 15811 } 15812 } 15813 digestBytes = digest.digest(); 15814 } catch (NoSuchAlgorithmException | IOException e) { 15815 res.setError(INSTALL_FAILED_INVALID_APK, 15816 "Could not compute hash: " + pkgName); 15817 return; 15818 } 15819 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 15820 res.setError(INSTALL_FAILED_INVALID_APK, 15821 "New package fails restrict-update check: " + pkgName); 15822 return; 15823 } 15824 // retain upgrade restriction 15825 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 15826 } 15827 15828 // Check for shared user id changes 15829 String invalidPackageName = 15830 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 15831 if (invalidPackageName != null) { 15832 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 15833 "Package " + invalidPackageName + " tried to change user " 15834 + oldPackage.mSharedUserId); 15835 return; 15836 } 15837 15838 // In case of rollback, remember per-user/profile install state 15839 allUsers = sUserManager.getUserIds(); 15840 installedUsers = ps.queryInstalledUsers(allUsers, true); 15841 15842 // don't allow an upgrade from full to ephemeral 15843 if (isInstantApp) { 15844 if (user == null || user.getIdentifier() == UserHandle.USER_ALL) { 15845 for (int currentUser : allUsers) { 15846 if (!ps.getInstantApp(currentUser)) { 15847 // can't downgrade from full to instant 15848 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 15849 + " for user: " + currentUser); 15850 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15851 return; 15852 } 15853 } 15854 } else if (!ps.getInstantApp(user.getIdentifier())) { 15855 // can't downgrade from full to instant 15856 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 15857 + " for user: " + user.getIdentifier()); 15858 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15859 return; 15860 } 15861 } 15862 } 15863 15864 // Update what is removed 15865 res.removedInfo = new PackageRemovedInfo(); 15866 res.removedInfo.uid = oldPackage.applicationInfo.uid; 15867 res.removedInfo.removedPackage = oldPackage.packageName; 15868 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 15869 res.removedInfo.isUpdate = true; 15870 res.removedInfo.origUsers = installedUsers; 15871 final PackageSetting ps = mSettings.getPackageLPr(pkgName); 15872 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 15873 for (int i = 0; i < installedUsers.length; i++) { 15874 final int userId = installedUsers[i]; 15875 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 15876 } 15877 15878 final int childCount = (oldPackage.childPackages != null) 15879 ? oldPackage.childPackages.size() : 0; 15880 for (int i = 0; i < childCount; i++) { 15881 boolean childPackageUpdated = false; 15882 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 15883 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15884 if (res.addedChildPackages != null) { 15885 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15886 if (childRes != null) { 15887 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 15888 childRes.removedInfo.removedPackage = childPkg.packageName; 15889 childRes.removedInfo.isUpdate = true; 15890 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 15891 childPackageUpdated = true; 15892 } 15893 } 15894 if (!childPackageUpdated) { 15895 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 15896 childRemovedRes.removedPackage = childPkg.packageName; 15897 childRemovedRes.isUpdate = false; 15898 childRemovedRes.dataRemoved = true; 15899 synchronized (mPackages) { 15900 if (childPs != null) { 15901 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 15902 } 15903 } 15904 if (res.removedInfo.removedChildPackages == null) { 15905 res.removedInfo.removedChildPackages = new ArrayMap<>(); 15906 } 15907 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 15908 } 15909 } 15910 15911 boolean sysPkg = (isSystemApp(oldPackage)); 15912 if (sysPkg) { 15913 // Set the system/privileged flags as needed 15914 final boolean privileged = 15915 (oldPackage.applicationInfo.privateFlags 15916 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15917 final int systemPolicyFlags = policyFlags 15918 | PackageParser.PARSE_IS_SYSTEM 15919 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 15920 15921 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 15922 user, allUsers, installerPackageName, res, installReason); 15923 } else { 15924 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 15925 user, allUsers, installerPackageName, res, installReason); 15926 } 15927 } 15928 15929 public List<String> getPreviousCodePaths(String packageName) { 15930 final PackageSetting ps = mSettings.mPackages.get(packageName); 15931 final List<String> result = new ArrayList<String>(); 15932 if (ps != null && ps.oldCodePaths != null) { 15933 result.addAll(ps.oldCodePaths); 15934 } 15935 return result; 15936 } 15937 15938 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 15939 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 15940 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 15941 int installReason) { 15942 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 15943 + deletedPackage); 15944 15945 String pkgName = deletedPackage.packageName; 15946 boolean deletedPkg = true; 15947 boolean addedPkg = false; 15948 boolean updatedSettings = false; 15949 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 15950 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 15951 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 15952 15953 final long origUpdateTime = (pkg.mExtras != null) 15954 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 15955 15956 // First delete the existing package while retaining the data directory 15957 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15958 res.removedInfo, true, pkg)) { 15959 // If the existing package wasn't successfully deleted 15960 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 15961 deletedPkg = false; 15962 } else { 15963 // Successfully deleted the old package; proceed with replace. 15964 15965 // If deleted package lived in a container, give users a chance to 15966 // relinquish resources before killing. 15967 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 15968 if (DEBUG_INSTALL) { 15969 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 15970 } 15971 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 15972 final ArrayList<String> pkgList = new ArrayList<String>(1); 15973 pkgList.add(deletedPackage.applicationInfo.packageName); 15974 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 15975 } 15976 15977 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 15978 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 15979 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 15980 15981 try { 15982 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 15983 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 15984 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 15985 installReason); 15986 15987 // Update the in-memory copy of the previous code paths. 15988 PackageSetting ps = mSettings.mPackages.get(pkgName); 15989 if (!killApp) { 15990 if (ps.oldCodePaths == null) { 15991 ps.oldCodePaths = new ArraySet<>(); 15992 } 15993 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 15994 if (deletedPackage.splitCodePaths != null) { 15995 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 15996 } 15997 } else { 15998 ps.oldCodePaths = null; 15999 } 16000 if (ps.childPackageNames != null) { 16001 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 16002 final String childPkgName = ps.childPackageNames.get(i); 16003 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 16004 childPs.oldCodePaths = ps.oldCodePaths; 16005 } 16006 } 16007 // set instant app status, but, only if it's explicitly specified 16008 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 16009 final boolean fullApp = (scanFlags & SCAN_AS_FULL_APP) != 0; 16010 setInstantAppForUser(ps, user.getIdentifier(), instantApp, fullApp); 16011 prepareAppDataAfterInstallLIF(newPackage); 16012 addedPkg = true; 16013 mDexManager.notifyPackageUpdated(newPackage.packageName, 16014 newPackage.baseCodePath, newPackage.splitCodePaths); 16015 } catch (PackageManagerException e) { 16016 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16017 } 16018 } 16019 16020 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16021 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 16022 16023 // Revert all internal state mutations and added folders for the failed install 16024 if (addedPkg) { 16025 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16026 res.removedInfo, true, null); 16027 } 16028 16029 // Restore the old package 16030 if (deletedPkg) { 16031 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 16032 File restoreFile = new File(deletedPackage.codePath); 16033 // Parse old package 16034 boolean oldExternal = isExternal(deletedPackage); 16035 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 16036 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 16037 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 16038 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 16039 try { 16040 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 16041 null); 16042 } catch (PackageManagerException e) { 16043 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 16044 + e.getMessage()); 16045 return; 16046 } 16047 16048 synchronized (mPackages) { 16049 // Ensure the installer package name up to date 16050 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16051 16052 // Update permissions for restored package 16053 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16054 16055 mSettings.writeLPr(); 16056 } 16057 16058 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 16059 } 16060 } else { 16061 synchronized (mPackages) { 16062 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 16063 if (ps != null) { 16064 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16065 if (res.removedInfo.removedChildPackages != null) { 16066 final int childCount = res.removedInfo.removedChildPackages.size(); 16067 // Iterate in reverse as we may modify the collection 16068 for (int i = childCount - 1; i >= 0; i--) { 16069 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 16070 if (res.addedChildPackages.containsKey(childPackageName)) { 16071 res.removedInfo.removedChildPackages.removeAt(i); 16072 } else { 16073 PackageRemovedInfo childInfo = res.removedInfo 16074 .removedChildPackages.valueAt(i); 16075 childInfo.removedForAllUsers = mPackages.get( 16076 childInfo.removedPackage) == null; 16077 } 16078 } 16079 } 16080 } 16081 } 16082 } 16083 } 16084 16085 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 16086 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 16087 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16088 int installReason) { 16089 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 16090 + ", old=" + deletedPackage); 16091 16092 final boolean disabledSystem; 16093 16094 // Remove existing system package 16095 removePackageLI(deletedPackage, true); 16096 16097 synchronized (mPackages) { 16098 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 16099 } 16100 if (!disabledSystem) { 16101 // We didn't need to disable the .apk as a current system package, 16102 // which means we are replacing another update that is already 16103 // installed. We need to make sure to delete the older one's .apk. 16104 res.removedInfo.args = createInstallArgsForExisting(0, 16105 deletedPackage.applicationInfo.getCodePath(), 16106 deletedPackage.applicationInfo.getResourcePath(), 16107 getAppDexInstructionSets(deletedPackage.applicationInfo)); 16108 } else { 16109 res.removedInfo.args = null; 16110 } 16111 16112 // Successfully disabled the old package. Now proceed with re-installation 16113 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16114 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16115 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16116 16117 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16118 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 16119 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 16120 16121 PackageParser.Package newPackage = null; 16122 try { 16123 // Add the package to the internal data structures 16124 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 16125 16126 // Set the update and install times 16127 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 16128 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 16129 System.currentTimeMillis()); 16130 16131 // Update the package dynamic state if succeeded 16132 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16133 // Now that the install succeeded make sure we remove data 16134 // directories for any child package the update removed. 16135 final int deletedChildCount = (deletedPackage.childPackages != null) 16136 ? deletedPackage.childPackages.size() : 0; 16137 final int newChildCount = (newPackage.childPackages != null) 16138 ? newPackage.childPackages.size() : 0; 16139 for (int i = 0; i < deletedChildCount; i++) { 16140 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 16141 boolean childPackageDeleted = true; 16142 for (int j = 0; j < newChildCount; j++) { 16143 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 16144 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 16145 childPackageDeleted = false; 16146 break; 16147 } 16148 } 16149 if (childPackageDeleted) { 16150 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 16151 deletedChildPkg.packageName); 16152 if (ps != null && res.removedInfo.removedChildPackages != null) { 16153 PackageRemovedInfo removedChildRes = res.removedInfo 16154 .removedChildPackages.get(deletedChildPkg.packageName); 16155 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 16156 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 16157 } 16158 } 16159 } 16160 16161 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16162 installReason); 16163 prepareAppDataAfterInstallLIF(newPackage); 16164 16165 mDexManager.notifyPackageUpdated(newPackage.packageName, 16166 newPackage.baseCodePath, newPackage.splitCodePaths); 16167 } 16168 } catch (PackageManagerException e) { 16169 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 16170 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16171 } 16172 16173 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16174 // Re installation failed. Restore old information 16175 // Remove new pkg information 16176 if (newPackage != null) { 16177 removeInstalledPackageLI(newPackage, true); 16178 } 16179 // Add back the old system package 16180 try { 16181 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 16182 } catch (PackageManagerException e) { 16183 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 16184 } 16185 16186 synchronized (mPackages) { 16187 if (disabledSystem) { 16188 enableSystemPackageLPw(deletedPackage); 16189 } 16190 16191 // Ensure the installer package name up to date 16192 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16193 16194 // Update permissions for restored package 16195 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16196 16197 mSettings.writeLPr(); 16198 } 16199 16200 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 16201 + " after failed upgrade"); 16202 } 16203 } 16204 16205 /** 16206 * Checks whether the parent or any of the child packages have a change shared 16207 * user. For a package to be a valid update the shred users of the parent and 16208 * the children should match. We may later support changing child shared users. 16209 * @param oldPkg The updated package. 16210 * @param newPkg The update package. 16211 * @return The shared user that change between the versions. 16212 */ 16213 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 16214 PackageParser.Package newPkg) { 16215 // Check parent shared user 16216 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 16217 return newPkg.packageName; 16218 } 16219 // Check child shared users 16220 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16221 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 16222 for (int i = 0; i < newChildCount; i++) { 16223 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 16224 // If this child was present, did it have the same shared user? 16225 for (int j = 0; j < oldChildCount; j++) { 16226 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 16227 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 16228 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 16229 return newChildPkg.packageName; 16230 } 16231 } 16232 } 16233 return null; 16234 } 16235 16236 private void removeNativeBinariesLI(PackageSetting ps) { 16237 // Remove the lib path for the parent package 16238 if (ps != null) { 16239 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 16240 // Remove the lib path for the child packages 16241 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16242 for (int i = 0; i < childCount; i++) { 16243 PackageSetting childPs = null; 16244 synchronized (mPackages) { 16245 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16246 } 16247 if (childPs != null) { 16248 NativeLibraryHelper.removeNativeBinariesLI(childPs 16249 .legacyNativeLibraryPathString); 16250 } 16251 } 16252 } 16253 } 16254 16255 private void enableSystemPackageLPw(PackageParser.Package pkg) { 16256 // Enable the parent package 16257 mSettings.enableSystemPackageLPw(pkg.packageName); 16258 // Enable the child packages 16259 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16260 for (int i = 0; i < childCount; i++) { 16261 PackageParser.Package childPkg = pkg.childPackages.get(i); 16262 mSettings.enableSystemPackageLPw(childPkg.packageName); 16263 } 16264 } 16265 16266 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 16267 PackageParser.Package newPkg) { 16268 // Disable the parent package (parent always replaced) 16269 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 16270 // Disable the child packages 16271 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16272 for (int i = 0; i < childCount; i++) { 16273 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 16274 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 16275 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 16276 } 16277 return disabled; 16278 } 16279 16280 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 16281 String installerPackageName) { 16282 // Enable the parent package 16283 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 16284 // Enable the child packages 16285 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16286 for (int i = 0; i < childCount; i++) { 16287 PackageParser.Package childPkg = pkg.childPackages.get(i); 16288 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 16289 } 16290 } 16291 16292 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 16293 // Collect all used permissions in the UID 16294 ArraySet<String> usedPermissions = new ArraySet<>(); 16295 final int packageCount = su.packages.size(); 16296 for (int i = 0; i < packageCount; i++) { 16297 PackageSetting ps = su.packages.valueAt(i); 16298 if (ps.pkg == null) { 16299 continue; 16300 } 16301 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 16302 for (int j = 0; j < requestedPermCount; j++) { 16303 String permission = ps.pkg.requestedPermissions.get(j); 16304 BasePermission bp = mSettings.mPermissions.get(permission); 16305 if (bp != null) { 16306 usedPermissions.add(permission); 16307 } 16308 } 16309 } 16310 16311 PermissionsState permissionsState = su.getPermissionsState(); 16312 // Prune install permissions 16313 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 16314 final int installPermCount = installPermStates.size(); 16315 for (int i = installPermCount - 1; i >= 0; i--) { 16316 PermissionState permissionState = installPermStates.get(i); 16317 if (!usedPermissions.contains(permissionState.getName())) { 16318 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16319 if (bp != null) { 16320 permissionsState.revokeInstallPermission(bp); 16321 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 16322 PackageManager.MASK_PERMISSION_FLAGS, 0); 16323 } 16324 } 16325 } 16326 16327 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 16328 16329 // Prune runtime permissions 16330 for (int userId : allUserIds) { 16331 List<PermissionState> runtimePermStates = permissionsState 16332 .getRuntimePermissionStates(userId); 16333 final int runtimePermCount = runtimePermStates.size(); 16334 for (int i = runtimePermCount - 1; i >= 0; i--) { 16335 PermissionState permissionState = runtimePermStates.get(i); 16336 if (!usedPermissions.contains(permissionState.getName())) { 16337 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16338 if (bp != null) { 16339 permissionsState.revokeRuntimePermission(bp, userId); 16340 permissionsState.updatePermissionFlags(bp, userId, 16341 PackageManager.MASK_PERMISSION_FLAGS, 0); 16342 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 16343 runtimePermissionChangedUserIds, userId); 16344 } 16345 } 16346 } 16347 } 16348 16349 return runtimePermissionChangedUserIds; 16350 } 16351 16352 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 16353 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 16354 // Update the parent package setting 16355 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 16356 res, user, installReason); 16357 // Update the child packages setting 16358 final int childCount = (newPackage.childPackages != null) 16359 ? newPackage.childPackages.size() : 0; 16360 for (int i = 0; i < childCount; i++) { 16361 PackageParser.Package childPackage = newPackage.childPackages.get(i); 16362 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 16363 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 16364 childRes.origUsers, childRes, user, installReason); 16365 } 16366 } 16367 16368 private void updateSettingsInternalLI(PackageParser.Package newPackage, 16369 String installerPackageName, int[] allUsers, int[] installedForUsers, 16370 PackageInstalledInfo res, UserHandle user, int installReason) { 16371 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 16372 16373 String pkgName = newPackage.packageName; 16374 synchronized (mPackages) { 16375 //write settings. the installStatus will be incomplete at this stage. 16376 //note that the new package setting would have already been 16377 //added to mPackages. It hasn't been persisted yet. 16378 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 16379 // TODO: Remove this write? It's also written at the end of this method 16380 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16381 mSettings.writeLPr(); 16382 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16383 } 16384 16385 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 16386 synchronized (mPackages) { 16387 updatePermissionsLPw(newPackage.packageName, newPackage, 16388 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 16389 ? UPDATE_PERMISSIONS_ALL : 0)); 16390 // For system-bundled packages, we assume that installing an upgraded version 16391 // of the package implies that the user actually wants to run that new code, 16392 // so we enable the package. 16393 PackageSetting ps = mSettings.mPackages.get(pkgName); 16394 final int userId = user.getIdentifier(); 16395 if (ps != null) { 16396 if (isSystemApp(newPackage)) { 16397 if (DEBUG_INSTALL) { 16398 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 16399 } 16400 // Enable system package for requested users 16401 if (res.origUsers != null) { 16402 for (int origUserId : res.origUsers) { 16403 if (userId == UserHandle.USER_ALL || userId == origUserId) { 16404 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 16405 origUserId, installerPackageName); 16406 } 16407 } 16408 } 16409 // Also convey the prior install/uninstall state 16410 if (allUsers != null && installedForUsers != null) { 16411 for (int currentUserId : allUsers) { 16412 final boolean installed = ArrayUtils.contains( 16413 installedForUsers, currentUserId); 16414 if (DEBUG_INSTALL) { 16415 Slog.d(TAG, " user " + currentUserId + " => " + installed); 16416 } 16417 ps.setInstalled(installed, currentUserId); 16418 } 16419 // these install state changes will be persisted in the 16420 // upcoming call to mSettings.writeLPr(). 16421 } 16422 } 16423 // It's implied that when a user requests installation, they want the app to be 16424 // installed and enabled. 16425 if (userId != UserHandle.USER_ALL) { 16426 ps.setInstalled(true, userId); 16427 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 16428 } 16429 16430 // When replacing an existing package, preserve the original install reason for all 16431 // users that had the package installed before. 16432 final Set<Integer> previousUserIds = new ArraySet<>(); 16433 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 16434 final int installReasonCount = res.removedInfo.installReasons.size(); 16435 for (int i = 0; i < installReasonCount; i++) { 16436 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 16437 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 16438 ps.setInstallReason(previousInstallReason, previousUserId); 16439 previousUserIds.add(previousUserId); 16440 } 16441 } 16442 16443 // Set install reason for users that are having the package newly installed. 16444 if (userId == UserHandle.USER_ALL) { 16445 for (int currentUserId : sUserManager.getUserIds()) { 16446 if (!previousUserIds.contains(currentUserId)) { 16447 ps.setInstallReason(installReason, currentUserId); 16448 } 16449 } 16450 } else if (!previousUserIds.contains(userId)) { 16451 ps.setInstallReason(installReason, userId); 16452 } 16453 mSettings.writeKernelMappingLPr(ps); 16454 } 16455 res.name = pkgName; 16456 res.uid = newPackage.applicationInfo.uid; 16457 res.pkg = newPackage; 16458 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 16459 mSettings.setInstallerPackageName(pkgName, installerPackageName); 16460 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16461 //to update install status 16462 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16463 mSettings.writeLPr(); 16464 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16465 } 16466 16467 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16468 } 16469 16470 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 16471 try { 16472 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 16473 installPackageLI(args, res); 16474 } finally { 16475 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16476 } 16477 } 16478 16479 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 16480 final int installFlags = args.installFlags; 16481 final String installerPackageName = args.installerPackageName; 16482 final String volumeUuid = args.volumeUuid; 16483 final File tmpPackageFile = new File(args.getCodePath()); 16484 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 16485 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 16486 || (args.volumeUuid != null)); 16487 final boolean instantApp = ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0); 16488 final boolean fullApp = ((installFlags & PackageManager.INSTALL_FULL_APP) != 0); 16489 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 16490 boolean replace = false; 16491 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 16492 if (args.move != null) { 16493 // moving a complete application; perform an initial scan on the new install location 16494 scanFlags |= SCAN_INITIAL; 16495 } 16496 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 16497 scanFlags |= SCAN_DONT_KILL_APP; 16498 } 16499 if (instantApp) { 16500 scanFlags |= SCAN_AS_INSTANT_APP; 16501 } 16502 if (fullApp) { 16503 scanFlags |= SCAN_AS_FULL_APP; 16504 } 16505 16506 // Result object to be returned 16507 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16508 16509 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 16510 16511 // Sanity check 16512 if (instantApp && (forwardLocked || onExternal)) { 16513 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 16514 + " external=" + onExternal); 16515 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16516 return; 16517 } 16518 16519 // Retrieve PackageSettings and parse package 16520 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 16521 | PackageParser.PARSE_ENFORCE_CODE 16522 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 16523 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 16524 | (instantApp ? PackageParser.PARSE_IS_EPHEMERAL : 0) 16525 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 16526 PackageParser pp = new PackageParser(); 16527 pp.setSeparateProcesses(mSeparateProcesses); 16528 pp.setDisplayMetrics(mMetrics); 16529 pp.setCallback(mPackageParserCallback); 16530 16531 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 16532 final PackageParser.Package pkg; 16533 try { 16534 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 16535 } catch (PackageParserException e) { 16536 res.setError("Failed parse during installPackageLI", e); 16537 return; 16538 } finally { 16539 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16540 } 16541 16542 // Instant apps must have target SDK >= O and have targetSanboxVersion >= 2 16543 if (instantApp && pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.N_MR1) { 16544 Slog.w(TAG, "Instant app package " + pkg.packageName 16545 + " does not target O, this will be a fatal error."); 16546 // STOPSHIP: Make this a fatal error 16547 pkg.applicationInfo.targetSdkVersion = Build.VERSION_CODES.O; 16548 } 16549 if (instantApp && pkg.applicationInfo.targetSandboxVersion != 2) { 16550 Slog.w(TAG, "Instant app package " + pkg.packageName 16551 + " does not target targetSandboxVersion 2, this will be a fatal error."); 16552 // STOPSHIP: Make this a fatal error 16553 pkg.applicationInfo.targetSandboxVersion = 2; 16554 } 16555 16556 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16557 // Static shared libraries have synthetic package names 16558 renameStaticSharedLibraryPackage(pkg); 16559 16560 // No static shared libs on external storage 16561 if (onExternal) { 16562 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 16563 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16564 "Packages declaring static-shared libs cannot be updated"); 16565 return; 16566 } 16567 } 16568 16569 // If we are installing a clustered package add results for the children 16570 if (pkg.childPackages != null) { 16571 synchronized (mPackages) { 16572 final int childCount = pkg.childPackages.size(); 16573 for (int i = 0; i < childCount; i++) { 16574 PackageParser.Package childPkg = pkg.childPackages.get(i); 16575 PackageInstalledInfo childRes = new PackageInstalledInfo(); 16576 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16577 childRes.pkg = childPkg; 16578 childRes.name = childPkg.packageName; 16579 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16580 if (childPs != null) { 16581 childRes.origUsers = childPs.queryInstalledUsers( 16582 sUserManager.getUserIds(), true); 16583 } 16584 if ((mPackages.containsKey(childPkg.packageName))) { 16585 childRes.removedInfo = new PackageRemovedInfo(); 16586 childRes.removedInfo.removedPackage = childPkg.packageName; 16587 } 16588 if (res.addedChildPackages == null) { 16589 res.addedChildPackages = new ArrayMap<>(); 16590 } 16591 res.addedChildPackages.put(childPkg.packageName, childRes); 16592 } 16593 } 16594 } 16595 16596 // If package doesn't declare API override, mark that we have an install 16597 // time CPU ABI override. 16598 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 16599 pkg.cpuAbiOverride = args.abiOverride; 16600 } 16601 16602 String pkgName = res.name = pkg.packageName; 16603 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 16604 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 16605 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 16606 return; 16607 } 16608 } 16609 16610 try { 16611 // either use what we've been given or parse directly from the APK 16612 if (args.certificates != null) { 16613 try { 16614 PackageParser.populateCertificates(pkg, args.certificates); 16615 } catch (PackageParserException e) { 16616 // there was something wrong with the certificates we were given; 16617 // try to pull them from the APK 16618 PackageParser.collectCertificates(pkg, parseFlags); 16619 } 16620 } else { 16621 PackageParser.collectCertificates(pkg, parseFlags); 16622 } 16623 } catch (PackageParserException e) { 16624 res.setError("Failed collect during installPackageLI", e); 16625 return; 16626 } 16627 16628 // Get rid of all references to package scan path via parser. 16629 pp = null; 16630 String oldCodePath = null; 16631 boolean systemApp = false; 16632 synchronized (mPackages) { 16633 // Check if installing already existing package 16634 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 16635 String oldName = mSettings.getRenamedPackageLPr(pkgName); 16636 if (pkg.mOriginalPackages != null 16637 && pkg.mOriginalPackages.contains(oldName) 16638 && mPackages.containsKey(oldName)) { 16639 // This package is derived from an original package, 16640 // and this device has been updating from that original 16641 // name. We must continue using the original name, so 16642 // rename the new package here. 16643 pkg.setPackageName(oldName); 16644 pkgName = pkg.packageName; 16645 replace = true; 16646 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 16647 + oldName + " pkgName=" + pkgName); 16648 } else if (mPackages.containsKey(pkgName)) { 16649 // This package, under its official name, already exists 16650 // on the device; we should replace it. 16651 replace = true; 16652 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 16653 } 16654 16655 // Child packages are installed through the parent package 16656 if (pkg.parentPackage != null) { 16657 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16658 "Package " + pkg.packageName + " is child of package " 16659 + pkg.parentPackage.parentPackage + ". Child packages " 16660 + "can be updated only through the parent package."); 16661 return; 16662 } 16663 16664 if (replace) { 16665 // Prevent apps opting out from runtime permissions 16666 PackageParser.Package oldPackage = mPackages.get(pkgName); 16667 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 16668 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 16669 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 16670 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 16671 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 16672 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 16673 + " doesn't support runtime permissions but the old" 16674 + " target SDK " + oldTargetSdk + " does."); 16675 return; 16676 } 16677 16678 // Prevent installing of child packages 16679 if (oldPackage.parentPackage != null) { 16680 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16681 "Package " + pkg.packageName + " is child of package " 16682 + oldPackage.parentPackage + ". Child packages " 16683 + "can be updated only through the parent package."); 16684 return; 16685 } 16686 } 16687 } 16688 16689 PackageSetting ps = mSettings.mPackages.get(pkgName); 16690 if (ps != null) { 16691 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 16692 16693 // Static shared libs have same package with different versions where 16694 // we internally use a synthetic package name to allow multiple versions 16695 // of the same package, therefore we need to compare signatures against 16696 // the package setting for the latest library version. 16697 PackageSetting signatureCheckPs = ps; 16698 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16699 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 16700 if (libraryEntry != null) { 16701 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 16702 } 16703 } 16704 16705 // Quick sanity check that we're signed correctly if updating; 16706 // we'll check this again later when scanning, but we want to 16707 // bail early here before tripping over redefined permissions. 16708 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 16709 if (!checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 16710 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 16711 + pkg.packageName + " upgrade keys do not match the " 16712 + "previously installed version"); 16713 return; 16714 } 16715 } else { 16716 try { 16717 verifySignaturesLP(signatureCheckPs, pkg); 16718 } catch (PackageManagerException e) { 16719 res.setError(e.error, e.getMessage()); 16720 return; 16721 } 16722 } 16723 16724 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 16725 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 16726 systemApp = (ps.pkg.applicationInfo.flags & 16727 ApplicationInfo.FLAG_SYSTEM) != 0; 16728 } 16729 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16730 } 16731 16732 int N = pkg.permissions.size(); 16733 for (int i = N-1; i >= 0; i--) { 16734 PackageParser.Permission perm = pkg.permissions.get(i); 16735 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 16736 16737 // Don't allow anyone but the platform to define ephemeral permissions. 16738 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_FLAG_EPHEMERAL) != 0 16739 && !PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16740 Slog.w(TAG, "Package " + pkg.packageName 16741 + " attempting to delcare ephemeral permission " 16742 + perm.info.name + "; Removing ephemeral."); 16743 perm.info.protectionLevel &= ~PermissionInfo.PROTECTION_FLAG_EPHEMERAL; 16744 } 16745 // Check whether the newly-scanned package wants to define an already-defined perm 16746 if (bp != null) { 16747 // If the defining package is signed with our cert, it's okay. This 16748 // also includes the "updating the same package" case, of course. 16749 // "updating same package" could also involve key-rotation. 16750 final boolean sigsOk; 16751 if (bp.sourcePackage.equals(pkg.packageName) 16752 && (bp.packageSetting instanceof PackageSetting) 16753 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 16754 scanFlags))) { 16755 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 16756 } else { 16757 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 16758 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 16759 } 16760 if (!sigsOk) { 16761 // If the owning package is the system itself, we log but allow 16762 // install to proceed; we fail the install on all other permission 16763 // redefinitions. 16764 if (!bp.sourcePackage.equals("android")) { 16765 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 16766 + pkg.packageName + " attempting to redeclare permission " 16767 + perm.info.name + " already owned by " + bp.sourcePackage); 16768 res.origPermission = perm.info.name; 16769 res.origPackage = bp.sourcePackage; 16770 return; 16771 } else { 16772 Slog.w(TAG, "Package " + pkg.packageName 16773 + " attempting to redeclare system permission " 16774 + perm.info.name + "; ignoring new declaration"); 16775 pkg.permissions.remove(i); 16776 } 16777 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16778 // Prevent apps to change protection level to dangerous from any other 16779 // type as this would allow a privilege escalation where an app adds a 16780 // normal/signature permission in other app's group and later redefines 16781 // it as dangerous leading to the group auto-grant. 16782 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 16783 == PermissionInfo.PROTECTION_DANGEROUS) { 16784 if (bp != null && !bp.isRuntime()) { 16785 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 16786 + "non-runtime permission " + perm.info.name 16787 + " to runtime; keeping old protection level"); 16788 perm.info.protectionLevel = bp.protectionLevel; 16789 } 16790 } 16791 } 16792 } 16793 } 16794 } 16795 16796 if (systemApp) { 16797 if (onExternal) { 16798 // Abort update; system app can't be replaced with app on sdcard 16799 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16800 "Cannot install updates to system apps on sdcard"); 16801 return; 16802 } else if (instantApp) { 16803 // Abort update; system app can't be replaced with an instant app 16804 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16805 "Cannot update a system app with an instant app"); 16806 return; 16807 } 16808 } 16809 16810 if (args.move != null) { 16811 // We did an in-place move, so dex is ready to roll 16812 scanFlags |= SCAN_NO_DEX; 16813 scanFlags |= SCAN_MOVE; 16814 16815 synchronized (mPackages) { 16816 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16817 if (ps == null) { 16818 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 16819 "Missing settings for moved package " + pkgName); 16820 } 16821 16822 // We moved the entire application as-is, so bring over the 16823 // previously derived ABI information. 16824 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 16825 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 16826 } 16827 16828 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 16829 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 16830 scanFlags |= SCAN_NO_DEX; 16831 16832 try { 16833 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 16834 args.abiOverride : pkg.cpuAbiOverride); 16835 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 16836 true /*extractLibs*/, mAppLib32InstallDir); 16837 } catch (PackageManagerException pme) { 16838 Slog.e(TAG, "Error deriving application ABI", pme); 16839 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 16840 return; 16841 } 16842 16843 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 16844 // Do not run PackageDexOptimizer through the local performDexOpt 16845 // method because `pkg` may not be in `mPackages` yet. 16846 // 16847 // Also, don't fail application installs if the dexopt step fails. 16848 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 16849 null /* instructionSets */, false /* checkProfiles */, 16850 getCompilerFilterForReason(REASON_INSTALL), 16851 getOrCreateCompilerPackageStats(pkg), 16852 mDexManager.isUsedByOtherApps(pkg.packageName)); 16853 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16854 16855 // Notify BackgroundDexOptService that the package has been changed. 16856 // If this is an update of a package which used to fail to compile, 16857 // BDOS will remove it from its blacklist. 16858 // TODO: Layering violation 16859 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 16860 } 16861 16862 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 16863 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 16864 return; 16865 } 16866 16867 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 16868 16869 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 16870 "installPackageLI")) { 16871 if (replace) { 16872 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16873 // Static libs have a synthetic package name containing the version 16874 // and cannot be updated as an update would get a new package name, 16875 // unless this is the exact same version code which is useful for 16876 // development. 16877 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 16878 if (existingPkg != null && existingPkg.mVersionCode != pkg.mVersionCode) { 16879 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 16880 + "static-shared libs cannot be updated"); 16881 return; 16882 } 16883 } 16884 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 16885 installerPackageName, res, args.installReason); 16886 } else { 16887 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 16888 args.user, installerPackageName, volumeUuid, res, args.installReason); 16889 } 16890 } 16891 synchronized (mPackages) { 16892 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16893 if (ps != null) { 16894 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16895 ps.setUpdateAvailable(false /*updateAvailable*/); 16896 } 16897 16898 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16899 for (int i = 0; i < childCount; i++) { 16900 PackageParser.Package childPkg = pkg.childPackages.get(i); 16901 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16902 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16903 if (childPs != null) { 16904 childRes.newUsers = childPs.queryInstalledUsers( 16905 sUserManager.getUserIds(), true); 16906 } 16907 } 16908 16909 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16910 updateSequenceNumberLP(pkgName, res.newUsers); 16911 } 16912 } 16913 } 16914 16915 private void startIntentFilterVerifications(int userId, boolean replacing, 16916 PackageParser.Package pkg) { 16917 if (mIntentFilterVerifierComponent == null) { 16918 Slog.w(TAG, "No IntentFilter verification will not be done as " 16919 + "there is no IntentFilterVerifier available!"); 16920 return; 16921 } 16922 16923 final int verifierUid = getPackageUid( 16924 mIntentFilterVerifierComponent.getPackageName(), 16925 MATCH_DEBUG_TRIAGED_MISSING, 16926 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 16927 16928 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16929 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 16930 mHandler.sendMessage(msg); 16931 16932 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16933 for (int i = 0; i < childCount; i++) { 16934 PackageParser.Package childPkg = pkg.childPackages.get(i); 16935 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16936 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 16937 mHandler.sendMessage(msg); 16938 } 16939 } 16940 16941 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 16942 PackageParser.Package pkg) { 16943 int size = pkg.activities.size(); 16944 if (size == 0) { 16945 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16946 "No activity, so no need to verify any IntentFilter!"); 16947 return; 16948 } 16949 16950 final boolean hasDomainURLs = hasDomainURLs(pkg); 16951 if (!hasDomainURLs) { 16952 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16953 "No domain URLs, so no need to verify any IntentFilter!"); 16954 return; 16955 } 16956 16957 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 16958 + " if any IntentFilter from the " + size 16959 + " Activities needs verification ..."); 16960 16961 int count = 0; 16962 final String packageName = pkg.packageName; 16963 16964 synchronized (mPackages) { 16965 // If this is a new install and we see that we've already run verification for this 16966 // package, we have nothing to do: it means the state was restored from backup. 16967 if (!replacing) { 16968 IntentFilterVerificationInfo ivi = 16969 mSettings.getIntentFilterVerificationLPr(packageName); 16970 if (ivi != null) { 16971 if (DEBUG_DOMAIN_VERIFICATION) { 16972 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 16973 + ivi.getStatusString()); 16974 } 16975 return; 16976 } 16977 } 16978 16979 // If any filters need to be verified, then all need to be. 16980 boolean needToVerify = false; 16981 for (PackageParser.Activity a : pkg.activities) { 16982 for (ActivityIntentInfo filter : a.intents) { 16983 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 16984 if (DEBUG_DOMAIN_VERIFICATION) { 16985 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 16986 } 16987 needToVerify = true; 16988 break; 16989 } 16990 } 16991 } 16992 16993 if (needToVerify) { 16994 final int verificationId = mIntentFilterVerificationToken++; 16995 for (PackageParser.Activity a : pkg.activities) { 16996 for (ActivityIntentInfo filter : a.intents) { 16997 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 16998 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16999 "Verification needed for IntentFilter:" + filter.toString()); 17000 mIntentFilterVerifier.addOneIntentFilterVerification( 17001 verifierUid, userId, verificationId, filter, packageName); 17002 count++; 17003 } 17004 } 17005 } 17006 } 17007 } 17008 17009 if (count > 0) { 17010 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 17011 + " IntentFilter verification" + (count > 1 ? "s" : "") 17012 + " for userId:" + userId); 17013 mIntentFilterVerifier.startVerifications(userId); 17014 } else { 17015 if (DEBUG_DOMAIN_VERIFICATION) { 17016 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 17017 } 17018 } 17019 } 17020 17021 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 17022 final ComponentName cn = filter.activity.getComponentName(); 17023 final String packageName = cn.getPackageName(); 17024 17025 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 17026 packageName); 17027 if (ivi == null) { 17028 return true; 17029 } 17030 int status = ivi.getStatus(); 17031 switch (status) { 17032 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 17033 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 17034 return true; 17035 17036 default: 17037 // Nothing to do 17038 return false; 17039 } 17040 } 17041 17042 private static boolean isMultiArch(ApplicationInfo info) { 17043 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 17044 } 17045 17046 private static boolean isExternal(PackageParser.Package pkg) { 17047 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17048 } 17049 17050 private static boolean isExternal(PackageSetting ps) { 17051 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17052 } 17053 17054 private static boolean isSystemApp(PackageParser.Package pkg) { 17055 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 17056 } 17057 17058 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 17059 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 17060 } 17061 17062 private static boolean hasDomainURLs(PackageParser.Package pkg) { 17063 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 17064 } 17065 17066 private static boolean isSystemApp(PackageSetting ps) { 17067 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 17068 } 17069 17070 private static boolean isUpdatedSystemApp(PackageSetting ps) { 17071 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 17072 } 17073 17074 private int packageFlagsToInstallFlags(PackageSetting ps) { 17075 int installFlags = 0; 17076 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 17077 // This existing package was an external ASEC install when we have 17078 // the external flag without a UUID 17079 installFlags |= PackageManager.INSTALL_EXTERNAL; 17080 } 17081 if (ps.isForwardLocked()) { 17082 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 17083 } 17084 return installFlags; 17085 } 17086 17087 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 17088 if (isExternal(pkg)) { 17089 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17090 return StorageManager.UUID_PRIMARY_PHYSICAL; 17091 } else { 17092 return pkg.volumeUuid; 17093 } 17094 } else { 17095 return StorageManager.UUID_PRIVATE_INTERNAL; 17096 } 17097 } 17098 17099 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 17100 if (isExternal(pkg)) { 17101 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17102 return mSettings.getExternalVersion(); 17103 } else { 17104 return mSettings.findOrCreateVersion(pkg.volumeUuid); 17105 } 17106 } else { 17107 return mSettings.getInternalVersion(); 17108 } 17109 } 17110 17111 private void deleteTempPackageFiles() { 17112 final FilenameFilter filter = new FilenameFilter() { 17113 public boolean accept(File dir, String name) { 17114 return name.startsWith("vmdl") && name.endsWith(".tmp"); 17115 } 17116 }; 17117 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 17118 file.delete(); 17119 } 17120 } 17121 17122 @Override 17123 public void deletePackageAsUser(String packageName, int versionCode, 17124 IPackageDeleteObserver observer, int userId, int flags) { 17125 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 17126 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 17127 } 17128 17129 @Override 17130 public void deletePackageVersioned(VersionedPackage versionedPackage, 17131 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 17132 mContext.enforceCallingOrSelfPermission( 17133 android.Manifest.permission.DELETE_PACKAGES, null); 17134 Preconditions.checkNotNull(versionedPackage); 17135 Preconditions.checkNotNull(observer); 17136 Preconditions.checkArgumentInRange(versionedPackage.getVersionCode(), 17137 PackageManager.VERSION_CODE_HIGHEST, 17138 Integer.MAX_VALUE, "versionCode must be >= -1"); 17139 17140 final String packageName = versionedPackage.getPackageName(); 17141 // TODO: We will change version code to long, so in the new API it is long 17142 final int versionCode = (int) versionedPackage.getVersionCode(); 17143 final String internalPackageName; 17144 synchronized (mPackages) { 17145 // Normalize package name to handle renamed packages and static libs 17146 internalPackageName = resolveInternalPackageNameLPr(versionedPackage.getPackageName(), 17147 // TODO: We will change version code to long, so in the new API it is long 17148 (int) versionedPackage.getVersionCode()); 17149 } 17150 17151 final int uid = Binder.getCallingUid(); 17152 if (!isOrphaned(internalPackageName) 17153 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 17154 try { 17155 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 17156 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 17157 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 17158 observer.onUserActionRequired(intent); 17159 } catch (RemoteException re) { 17160 } 17161 return; 17162 } 17163 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 17164 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 17165 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 17166 mContext.enforceCallingOrSelfPermission( 17167 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 17168 "deletePackage for user " + userId); 17169 } 17170 17171 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 17172 try { 17173 observer.onPackageDeleted(packageName, 17174 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 17175 } catch (RemoteException re) { 17176 } 17177 return; 17178 } 17179 17180 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 17181 try { 17182 observer.onPackageDeleted(packageName, 17183 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 17184 } catch (RemoteException re) { 17185 } 17186 return; 17187 } 17188 17189 if (DEBUG_REMOVE) { 17190 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 17191 + " deleteAllUsers: " + deleteAllUsers + " version=" 17192 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 17193 ? "VERSION_CODE_HIGHEST" : versionCode)); 17194 } 17195 // Queue up an async operation since the package deletion may take a little while. 17196 mHandler.post(new Runnable() { 17197 public void run() { 17198 mHandler.removeCallbacks(this); 17199 int returnCode; 17200 if (!deleteAllUsers) { 17201 returnCode = deletePackageX(internalPackageName, versionCode, 17202 userId, deleteFlags); 17203 } else { 17204 int[] blockUninstallUserIds = getBlockUninstallForUsers( 17205 internalPackageName, users); 17206 // If nobody is blocking uninstall, proceed with delete for all users 17207 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 17208 returnCode = deletePackageX(internalPackageName, versionCode, 17209 userId, deleteFlags); 17210 } else { 17211 // Otherwise uninstall individually for users with blockUninstalls=false 17212 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 17213 for (int userId : users) { 17214 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 17215 returnCode = deletePackageX(internalPackageName, versionCode, 17216 userId, userFlags); 17217 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 17218 Slog.w(TAG, "Package delete failed for user " + userId 17219 + ", returnCode " + returnCode); 17220 } 17221 } 17222 } 17223 // The app has only been marked uninstalled for certain users. 17224 // We still need to report that delete was blocked 17225 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 17226 } 17227 } 17228 try { 17229 observer.onPackageDeleted(packageName, returnCode, null); 17230 } catch (RemoteException e) { 17231 Log.i(TAG, "Observer no longer exists."); 17232 } //end catch 17233 } //end run 17234 }); 17235 } 17236 17237 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 17238 if (pkg.staticSharedLibName != null) { 17239 return pkg.manifestPackageName; 17240 } 17241 return pkg.packageName; 17242 } 17243 17244 private String resolveInternalPackageNameLPr(String packageName, int versionCode) { 17245 // Handle renamed packages 17246 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 17247 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 17248 17249 // Is this a static library? 17250 SparseArray<SharedLibraryEntry> versionedLib = 17251 mStaticLibsByDeclaringPackage.get(packageName); 17252 if (versionedLib == null || versionedLib.size() <= 0) { 17253 return packageName; 17254 } 17255 17256 // Figure out which lib versions the caller can see 17257 SparseIntArray versionsCallerCanSee = null; 17258 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 17259 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 17260 && callingAppId != Process.ROOT_UID) { 17261 versionsCallerCanSee = new SparseIntArray(); 17262 String libName = versionedLib.valueAt(0).info.getName(); 17263 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 17264 if (uidPackages != null) { 17265 for (String uidPackage : uidPackages) { 17266 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 17267 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 17268 if (libIdx >= 0) { 17269 final int libVersion = ps.usesStaticLibrariesVersions[libIdx]; 17270 versionsCallerCanSee.append(libVersion, libVersion); 17271 } 17272 } 17273 } 17274 } 17275 17276 // Caller can see nothing - done 17277 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 17278 return packageName; 17279 } 17280 17281 // Find the version the caller can see and the app version code 17282 SharedLibraryEntry highestVersion = null; 17283 final int versionCount = versionedLib.size(); 17284 for (int i = 0; i < versionCount; i++) { 17285 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 17286 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 17287 libEntry.info.getVersion()) < 0) { 17288 continue; 17289 } 17290 // TODO: We will change version code to long, so in the new API it is long 17291 final int libVersionCode = (int) libEntry.info.getDeclaringPackage().getVersionCode(); 17292 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 17293 if (libVersionCode == versionCode) { 17294 return libEntry.apk; 17295 } 17296 } else if (highestVersion == null) { 17297 highestVersion = libEntry; 17298 } else if (libVersionCode > highestVersion.info 17299 .getDeclaringPackage().getVersionCode()) { 17300 highestVersion = libEntry; 17301 } 17302 } 17303 17304 if (highestVersion != null) { 17305 return highestVersion.apk; 17306 } 17307 17308 return packageName; 17309 } 17310 17311 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 17312 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 17313 || callingUid == Process.SYSTEM_UID) { 17314 return true; 17315 } 17316 final int callingUserId = UserHandle.getUserId(callingUid); 17317 // If the caller installed the pkgName, then allow it to silently uninstall. 17318 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 17319 return true; 17320 } 17321 17322 // Allow package verifier to silently uninstall. 17323 if (mRequiredVerifierPackage != null && 17324 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 17325 return true; 17326 } 17327 17328 // Allow package uninstaller to silently uninstall. 17329 if (mRequiredUninstallerPackage != null && 17330 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 17331 return true; 17332 } 17333 17334 // Allow storage manager to silently uninstall. 17335 if (mStorageManagerPackage != null && 17336 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 17337 return true; 17338 } 17339 return false; 17340 } 17341 17342 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 17343 int[] result = EMPTY_INT_ARRAY; 17344 for (int userId : userIds) { 17345 if (getBlockUninstallForUser(packageName, userId)) { 17346 result = ArrayUtils.appendInt(result, userId); 17347 } 17348 } 17349 return result; 17350 } 17351 17352 @Override 17353 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 17354 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 17355 } 17356 17357 private boolean isPackageDeviceAdmin(String packageName, int userId) { 17358 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 17359 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 17360 try { 17361 if (dpm != null) { 17362 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 17363 /* callingUserOnly =*/ false); 17364 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 17365 : deviceOwnerComponentName.getPackageName(); 17366 // Does the package contains the device owner? 17367 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 17368 // this check is probably not needed, since DO should be registered as a device 17369 // admin on some user too. (Original bug for this: b/17657954) 17370 if (packageName.equals(deviceOwnerPackageName)) { 17371 return true; 17372 } 17373 // Does it contain a device admin for any user? 17374 int[] users; 17375 if (userId == UserHandle.USER_ALL) { 17376 users = sUserManager.getUserIds(); 17377 } else { 17378 users = new int[]{userId}; 17379 } 17380 for (int i = 0; i < users.length; ++i) { 17381 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 17382 return true; 17383 } 17384 } 17385 } 17386 } catch (RemoteException e) { 17387 } 17388 return false; 17389 } 17390 17391 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 17392 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 17393 } 17394 17395 /** 17396 * This method is an internal method that could be get invoked either 17397 * to delete an installed package or to clean up a failed installation. 17398 * After deleting an installed package, a broadcast is sent to notify any 17399 * listeners that the package has been removed. For cleaning up a failed 17400 * installation, the broadcast is not necessary since the package's 17401 * installation wouldn't have sent the initial broadcast either 17402 * The key steps in deleting a package are 17403 * deleting the package information in internal structures like mPackages, 17404 * deleting the packages base directories through installd 17405 * updating mSettings to reflect current status 17406 * persisting settings for later use 17407 * sending a broadcast if necessary 17408 */ 17409 private int deletePackageX(String packageName, int versionCode, int userId, int deleteFlags) { 17410 final PackageRemovedInfo info = new PackageRemovedInfo(); 17411 final boolean res; 17412 17413 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 17414 ? UserHandle.USER_ALL : userId; 17415 17416 if (isPackageDeviceAdmin(packageName, removeUser)) { 17417 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 17418 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 17419 } 17420 17421 PackageSetting uninstalledPs = null; 17422 PackageParser.Package pkg = null; 17423 17424 // for the uninstall-updates case and restricted profiles, remember the per- 17425 // user handle installed state 17426 int[] allUsers; 17427 synchronized (mPackages) { 17428 uninstalledPs = mSettings.mPackages.get(packageName); 17429 if (uninstalledPs == null) { 17430 Slog.w(TAG, "Not removing non-existent package " + packageName); 17431 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17432 } 17433 17434 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 17435 && uninstalledPs.versionCode != versionCode) { 17436 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 17437 + uninstalledPs.versionCode + " != " + versionCode); 17438 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17439 } 17440 17441 // Static shared libs can be declared by any package, so let us not 17442 // allow removing a package if it provides a lib others depend on. 17443 pkg = mPackages.get(packageName); 17444 if (pkg != null && pkg.staticSharedLibName != null) { 17445 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 17446 pkg.staticSharedLibVersion); 17447 if (libEntry != null) { 17448 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 17449 libEntry.info, 0, userId); 17450 if (!ArrayUtils.isEmpty(libClientPackages)) { 17451 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 17452 + " hosting lib " + libEntry.info.getName() + " version " 17453 + libEntry.info.getVersion() + " used by " + libClientPackages); 17454 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 17455 } 17456 } 17457 } 17458 17459 allUsers = sUserManager.getUserIds(); 17460 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 17461 } 17462 17463 final int freezeUser; 17464 if (isUpdatedSystemApp(uninstalledPs) 17465 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 17466 // We're downgrading a system app, which will apply to all users, so 17467 // freeze them all during the downgrade 17468 freezeUser = UserHandle.USER_ALL; 17469 } else { 17470 freezeUser = removeUser; 17471 } 17472 17473 synchronized (mInstallLock) { 17474 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 17475 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 17476 deleteFlags, "deletePackageX")) { 17477 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 17478 deleteFlags | FLAGS_REMOVE_CHATTY, info, true, null); 17479 } 17480 synchronized (mPackages) { 17481 if (res) { 17482 if (pkg != null) { 17483 mInstantAppRegistry.onPackageUninstalledLPw(pkg, info.removedUsers); 17484 } 17485 updateSequenceNumberLP(packageName, info.removedUsers); 17486 } 17487 } 17488 } 17489 17490 if (res) { 17491 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 17492 info.sendPackageRemovedBroadcasts(killApp); 17493 info.sendSystemPackageUpdatedBroadcasts(); 17494 info.sendSystemPackageAppearedBroadcasts(); 17495 } 17496 // Force a gc here. 17497 Runtime.getRuntime().gc(); 17498 // Delete the resources here after sending the broadcast to let 17499 // other processes clean up before deleting resources. 17500 if (info.args != null) { 17501 synchronized (mInstallLock) { 17502 info.args.doPostDeleteLI(true); 17503 } 17504 } 17505 17506 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17507 } 17508 17509 class PackageRemovedInfo { 17510 String removedPackage; 17511 int uid = -1; 17512 int removedAppId = -1; 17513 int[] origUsers; 17514 int[] removedUsers = null; 17515 SparseArray<Integer> installReasons; 17516 boolean isRemovedPackageSystemUpdate = false; 17517 boolean isUpdate; 17518 boolean dataRemoved; 17519 boolean removedForAllUsers; 17520 boolean isStaticSharedLib; 17521 // Clean up resources deleted packages. 17522 InstallArgs args = null; 17523 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 17524 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 17525 17526 void sendPackageRemovedBroadcasts(boolean killApp) { 17527 sendPackageRemovedBroadcastInternal(killApp); 17528 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 17529 for (int i = 0; i < childCount; i++) { 17530 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17531 childInfo.sendPackageRemovedBroadcastInternal(killApp); 17532 } 17533 } 17534 17535 void sendSystemPackageUpdatedBroadcasts() { 17536 if (isRemovedPackageSystemUpdate) { 17537 sendSystemPackageUpdatedBroadcastsInternal(); 17538 final int childCount = (removedChildPackages != null) 17539 ? removedChildPackages.size() : 0; 17540 for (int i = 0; i < childCount; i++) { 17541 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17542 if (childInfo.isRemovedPackageSystemUpdate) { 17543 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 17544 } 17545 } 17546 } 17547 } 17548 17549 void sendSystemPackageAppearedBroadcasts() { 17550 final int packageCount = (appearedChildPackages != null) 17551 ? appearedChildPackages.size() : 0; 17552 for (int i = 0; i < packageCount; i++) { 17553 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 17554 sendPackageAddedForNewUsers(installedInfo.name, true, 17555 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers); 17556 } 17557 } 17558 17559 private void sendSystemPackageUpdatedBroadcastsInternal() { 17560 Bundle extras = new Bundle(2); 17561 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17562 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17563 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 17564 extras, 0, null, null, null); 17565 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 17566 extras, 0, null, null, null); 17567 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 17568 null, 0, removedPackage, null, null); 17569 } 17570 17571 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 17572 // Don't send static shared library removal broadcasts as these 17573 // libs are visible only the the apps that depend on them an one 17574 // cannot remove the library if it has a dependency. 17575 if (isStaticSharedLib) { 17576 return; 17577 } 17578 Bundle extras = new Bundle(2); 17579 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17580 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 17581 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 17582 if (isUpdate || isRemovedPackageSystemUpdate) { 17583 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17584 } 17585 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 17586 if (removedPackage != null) { 17587 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 17588 extras, 0, null, null, removedUsers); 17589 if (dataRemoved && !isRemovedPackageSystemUpdate) { 17590 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 17591 removedPackage, extras, Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 17592 null, null, removedUsers); 17593 } 17594 } 17595 if (removedAppId >= 0) { 17596 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 17597 removedUsers); 17598 } 17599 } 17600 } 17601 17602 /* 17603 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 17604 * flag is not set, the data directory is removed as well. 17605 * make sure this flag is set for partially installed apps. If not its meaningless to 17606 * delete a partially installed application. 17607 */ 17608 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 17609 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 17610 String packageName = ps.name; 17611 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 17612 // Retrieve object to delete permissions for shared user later on 17613 final PackageParser.Package deletedPkg; 17614 final PackageSetting deletedPs; 17615 // reader 17616 synchronized (mPackages) { 17617 deletedPkg = mPackages.get(packageName); 17618 deletedPs = mSettings.mPackages.get(packageName); 17619 if (outInfo != null) { 17620 outInfo.removedPackage = packageName; 17621 outInfo.isStaticSharedLib = deletedPkg != null 17622 && deletedPkg.staticSharedLibName != null; 17623 outInfo.removedUsers = deletedPs != null 17624 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 17625 : null; 17626 } 17627 } 17628 17629 removePackageLI(ps, (flags & FLAGS_REMOVE_CHATTY) != 0); 17630 17631 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 17632 final PackageParser.Package resolvedPkg; 17633 if (deletedPkg != null) { 17634 resolvedPkg = deletedPkg; 17635 } else { 17636 // We don't have a parsed package when it lives on an ejected 17637 // adopted storage device, so fake something together 17638 resolvedPkg = new PackageParser.Package(ps.name); 17639 resolvedPkg.setVolumeUuid(ps.volumeUuid); 17640 } 17641 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 17642 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17643 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 17644 if (outInfo != null) { 17645 outInfo.dataRemoved = true; 17646 } 17647 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 17648 } 17649 17650 int removedAppId = -1; 17651 17652 // writer 17653 synchronized (mPackages) { 17654 boolean installedStateChanged = false; 17655 if (deletedPs != null) { 17656 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 17657 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 17658 clearDefaultBrowserIfNeeded(packageName); 17659 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 17660 removedAppId = mSettings.removePackageLPw(packageName); 17661 if (outInfo != null) { 17662 outInfo.removedAppId = removedAppId; 17663 } 17664 updatePermissionsLPw(deletedPs.name, null, 0); 17665 if (deletedPs.sharedUser != null) { 17666 // Remove permissions associated with package. Since runtime 17667 // permissions are per user we have to kill the removed package 17668 // or packages running under the shared user of the removed 17669 // package if revoking the permissions requested only by the removed 17670 // package is successful and this causes a change in gids. 17671 for (int userId : UserManagerService.getInstance().getUserIds()) { 17672 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 17673 userId); 17674 if (userIdToKill == UserHandle.USER_ALL 17675 || userIdToKill >= UserHandle.USER_SYSTEM) { 17676 // If gids changed for this user, kill all affected packages. 17677 mHandler.post(new Runnable() { 17678 @Override 17679 public void run() { 17680 // This has to happen with no lock held. 17681 killApplication(deletedPs.name, deletedPs.appId, 17682 KILL_APP_REASON_GIDS_CHANGED); 17683 } 17684 }); 17685 break; 17686 } 17687 } 17688 } 17689 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 17690 } 17691 // make sure to preserve per-user disabled state if this removal was just 17692 // a downgrade of a system app to the factory package 17693 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 17694 if (DEBUG_REMOVE) { 17695 Slog.d(TAG, "Propagating install state across downgrade"); 17696 } 17697 for (int userId : allUserHandles) { 17698 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17699 if (DEBUG_REMOVE) { 17700 Slog.d(TAG, " user " + userId + " => " + installed); 17701 } 17702 if (installed != ps.getInstalled(userId)) { 17703 installedStateChanged = true; 17704 } 17705 ps.setInstalled(installed, userId); 17706 } 17707 } 17708 } 17709 // can downgrade to reader 17710 if (writeSettings) { 17711 // Save settings now 17712 mSettings.writeLPr(); 17713 } 17714 if (installedStateChanged) { 17715 mSettings.writeKernelMappingLPr(ps); 17716 } 17717 } 17718 if (removedAppId != -1) { 17719 // A user ID was deleted here. Go through all users and remove it 17720 // from KeyStore. 17721 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 17722 } 17723 } 17724 17725 static boolean locationIsPrivileged(File path) { 17726 try { 17727 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 17728 .getCanonicalPath(); 17729 return path.getCanonicalPath().startsWith(privilegedAppDir); 17730 } catch (IOException e) { 17731 Slog.e(TAG, "Unable to access code path " + path); 17732 } 17733 return false; 17734 } 17735 17736 /* 17737 * Tries to delete system package. 17738 */ 17739 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 17740 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 17741 boolean writeSettings) { 17742 if (deletedPs.parentPackageName != null) { 17743 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 17744 return false; 17745 } 17746 17747 final boolean applyUserRestrictions 17748 = (allUserHandles != null) && (outInfo.origUsers != null); 17749 final PackageSetting disabledPs; 17750 // Confirm if the system package has been updated 17751 // An updated system app can be deleted. This will also have to restore 17752 // the system pkg from system partition 17753 // reader 17754 synchronized (mPackages) { 17755 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 17756 } 17757 17758 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 17759 + " disabledPs=" + disabledPs); 17760 17761 if (disabledPs == null) { 17762 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 17763 return false; 17764 } else if (DEBUG_REMOVE) { 17765 Slog.d(TAG, "Deleting system pkg from data partition"); 17766 } 17767 17768 if (DEBUG_REMOVE) { 17769 if (applyUserRestrictions) { 17770 Slog.d(TAG, "Remembering install states:"); 17771 for (int userId : allUserHandles) { 17772 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 17773 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 17774 } 17775 } 17776 } 17777 17778 // Delete the updated package 17779 outInfo.isRemovedPackageSystemUpdate = true; 17780 if (outInfo.removedChildPackages != null) { 17781 final int childCount = (deletedPs.childPackageNames != null) 17782 ? deletedPs.childPackageNames.size() : 0; 17783 for (int i = 0; i < childCount; i++) { 17784 String childPackageName = deletedPs.childPackageNames.get(i); 17785 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 17786 .contains(childPackageName)) { 17787 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17788 childPackageName); 17789 if (childInfo != null) { 17790 childInfo.isRemovedPackageSystemUpdate = true; 17791 } 17792 } 17793 } 17794 } 17795 17796 if (disabledPs.versionCode < deletedPs.versionCode) { 17797 // Delete data for downgrades 17798 flags &= ~PackageManager.DELETE_KEEP_DATA; 17799 } else { 17800 // Preserve data by setting flag 17801 flags |= PackageManager.DELETE_KEEP_DATA; 17802 } 17803 17804 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 17805 outInfo, writeSettings, disabledPs.pkg); 17806 if (!ret) { 17807 return false; 17808 } 17809 17810 // writer 17811 synchronized (mPackages) { 17812 // Reinstate the old system package 17813 enableSystemPackageLPw(disabledPs.pkg); 17814 // Remove any native libraries from the upgraded package. 17815 removeNativeBinariesLI(deletedPs); 17816 } 17817 17818 // Install the system package 17819 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 17820 int parseFlags = mDefParseFlags 17821 | PackageParser.PARSE_MUST_BE_APK 17822 | PackageParser.PARSE_IS_SYSTEM 17823 | PackageParser.PARSE_IS_SYSTEM_DIR; 17824 if (locationIsPrivileged(disabledPs.codePath)) { 17825 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 17826 } 17827 17828 final PackageParser.Package newPkg; 17829 try { 17830 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 17831 0 /* currentTime */, null); 17832 } catch (PackageManagerException e) { 17833 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 17834 + e.getMessage()); 17835 return false; 17836 } 17837 17838 try { 17839 // update shared libraries for the newly re-installed system package 17840 updateSharedLibrariesLPr(newPkg, null); 17841 } catch (PackageManagerException e) { 17842 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 17843 } 17844 17845 prepareAppDataAfterInstallLIF(newPkg); 17846 17847 // writer 17848 synchronized (mPackages) { 17849 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 17850 17851 // Propagate the permissions state as we do not want to drop on the floor 17852 // runtime permissions. The update permissions method below will take 17853 // care of removing obsolete permissions and grant install permissions. 17854 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 17855 updatePermissionsLPw(newPkg.packageName, newPkg, 17856 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 17857 17858 if (applyUserRestrictions) { 17859 boolean installedStateChanged = false; 17860 if (DEBUG_REMOVE) { 17861 Slog.d(TAG, "Propagating install state across reinstall"); 17862 } 17863 for (int userId : allUserHandles) { 17864 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17865 if (DEBUG_REMOVE) { 17866 Slog.d(TAG, " user " + userId + " => " + installed); 17867 } 17868 if (installed != ps.getInstalled(userId)) { 17869 installedStateChanged = true; 17870 } 17871 ps.setInstalled(installed, userId); 17872 17873 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17874 } 17875 // Regardless of writeSettings we need to ensure that this restriction 17876 // state propagation is persisted 17877 mSettings.writeAllUsersPackageRestrictionsLPr(); 17878 if (installedStateChanged) { 17879 mSettings.writeKernelMappingLPr(ps); 17880 } 17881 } 17882 // can downgrade to reader here 17883 if (writeSettings) { 17884 mSettings.writeLPr(); 17885 } 17886 } 17887 return true; 17888 } 17889 17890 private boolean deleteInstalledPackageLIF(PackageSetting ps, 17891 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 17892 PackageRemovedInfo outInfo, boolean writeSettings, 17893 PackageParser.Package replacingPackage) { 17894 synchronized (mPackages) { 17895 if (outInfo != null) { 17896 outInfo.uid = ps.appId; 17897 } 17898 17899 if (outInfo != null && outInfo.removedChildPackages != null) { 17900 final int childCount = (ps.childPackageNames != null) 17901 ? ps.childPackageNames.size() : 0; 17902 for (int i = 0; i < childCount; i++) { 17903 String childPackageName = ps.childPackageNames.get(i); 17904 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 17905 if (childPs == null) { 17906 return false; 17907 } 17908 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17909 childPackageName); 17910 if (childInfo != null) { 17911 childInfo.uid = childPs.appId; 17912 } 17913 } 17914 } 17915 } 17916 17917 // Delete package data from internal structures and also remove data if flag is set 17918 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 17919 17920 // Delete the child packages data 17921 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 17922 for (int i = 0; i < childCount; i++) { 17923 PackageSetting childPs; 17924 synchronized (mPackages) { 17925 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 17926 } 17927 if (childPs != null) { 17928 PackageRemovedInfo childOutInfo = (outInfo != null 17929 && outInfo.removedChildPackages != null) 17930 ? outInfo.removedChildPackages.get(childPs.name) : null; 17931 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 17932 && (replacingPackage != null 17933 && !replacingPackage.hasChildPackage(childPs.name)) 17934 ? flags & ~DELETE_KEEP_DATA : flags; 17935 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 17936 deleteFlags, writeSettings); 17937 } 17938 } 17939 17940 // Delete application code and resources only for parent packages 17941 if (ps.parentPackageName == null) { 17942 if (deleteCodeAndResources && (outInfo != null)) { 17943 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 17944 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 17945 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 17946 } 17947 } 17948 17949 return true; 17950 } 17951 17952 @Override 17953 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 17954 int userId) { 17955 mContext.enforceCallingOrSelfPermission( 17956 android.Manifest.permission.DELETE_PACKAGES, null); 17957 synchronized (mPackages) { 17958 PackageSetting ps = mSettings.mPackages.get(packageName); 17959 if (ps == null) { 17960 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 17961 return false; 17962 } 17963 // Cannot block uninstall of static shared libs as they are 17964 // considered a part of the using app (emulating static linking). 17965 // Also static libs are installed always on internal storage. 17966 PackageParser.Package pkg = mPackages.get(packageName); 17967 if (pkg != null && pkg.staticSharedLibName != null) { 17968 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 17969 + " providing static shared library: " + pkg.staticSharedLibName); 17970 return false; 17971 } 17972 if (!ps.getInstalled(userId)) { 17973 // Can't block uninstall for an app that is not installed or enabled. 17974 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 17975 return false; 17976 } 17977 ps.setBlockUninstall(blockUninstall, userId); 17978 mSettings.writePackageRestrictionsLPr(userId); 17979 } 17980 return true; 17981 } 17982 17983 @Override 17984 public boolean getBlockUninstallForUser(String packageName, int userId) { 17985 synchronized (mPackages) { 17986 PackageSetting ps = mSettings.mPackages.get(packageName); 17987 if (ps == null) { 17988 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 17989 return false; 17990 } 17991 return ps.getBlockUninstall(userId); 17992 } 17993 } 17994 17995 @Override 17996 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 17997 int callingUid = Binder.getCallingUid(); 17998 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 17999 throw new SecurityException( 18000 "setRequiredForSystemUser can only be run by the system or root"); 18001 } 18002 synchronized (mPackages) { 18003 PackageSetting ps = mSettings.mPackages.get(packageName); 18004 if (ps == null) { 18005 Log.w(TAG, "Package doesn't exist: " + packageName); 18006 return false; 18007 } 18008 if (systemUserApp) { 18009 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18010 } else { 18011 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18012 } 18013 mSettings.writeLPr(); 18014 } 18015 return true; 18016 } 18017 18018 /* 18019 * This method handles package deletion in general 18020 */ 18021 private boolean deletePackageLIF(String packageName, UserHandle user, 18022 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 18023 PackageRemovedInfo outInfo, boolean writeSettings, 18024 PackageParser.Package replacingPackage) { 18025 if (packageName == null) { 18026 Slog.w(TAG, "Attempt to delete null packageName."); 18027 return false; 18028 } 18029 18030 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 18031 18032 PackageSetting ps; 18033 synchronized (mPackages) { 18034 ps = mSettings.mPackages.get(packageName); 18035 if (ps == null) { 18036 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18037 return false; 18038 } 18039 18040 if (ps.parentPackageName != null && (!isSystemApp(ps) 18041 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 18042 if (DEBUG_REMOVE) { 18043 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 18044 + ((user == null) ? UserHandle.USER_ALL : user)); 18045 } 18046 final int removedUserId = (user != null) ? user.getIdentifier() 18047 : UserHandle.USER_ALL; 18048 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 18049 return false; 18050 } 18051 markPackageUninstalledForUserLPw(ps, user); 18052 scheduleWritePackageRestrictionsLocked(user); 18053 return true; 18054 } 18055 } 18056 18057 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 18058 && user.getIdentifier() != UserHandle.USER_ALL)) { 18059 // The caller is asking that the package only be deleted for a single 18060 // user. To do this, we just mark its uninstalled state and delete 18061 // its data. If this is a system app, we only allow this to happen if 18062 // they have set the special DELETE_SYSTEM_APP which requests different 18063 // semantics than normal for uninstalling system apps. 18064 markPackageUninstalledForUserLPw(ps, user); 18065 18066 if (!isSystemApp(ps)) { 18067 // Do not uninstall the APK if an app should be cached 18068 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 18069 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 18070 // Other user still have this package installed, so all 18071 // we need to do is clear this user's data and save that 18072 // it is uninstalled. 18073 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 18074 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18075 return false; 18076 } 18077 scheduleWritePackageRestrictionsLocked(user); 18078 return true; 18079 } else { 18080 // We need to set it back to 'installed' so the uninstall 18081 // broadcasts will be sent correctly. 18082 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 18083 ps.setInstalled(true, user.getIdentifier()); 18084 mSettings.writeKernelMappingLPr(ps); 18085 } 18086 } else { 18087 // This is a system app, so we assume that the 18088 // other users still have this package installed, so all 18089 // we need to do is clear this user's data and save that 18090 // it is uninstalled. 18091 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 18092 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18093 return false; 18094 } 18095 scheduleWritePackageRestrictionsLocked(user); 18096 return true; 18097 } 18098 } 18099 18100 // If we are deleting a composite package for all users, keep track 18101 // of result for each child. 18102 if (ps.childPackageNames != null && outInfo != null) { 18103 synchronized (mPackages) { 18104 final int childCount = ps.childPackageNames.size(); 18105 outInfo.removedChildPackages = new ArrayMap<>(childCount); 18106 for (int i = 0; i < childCount; i++) { 18107 String childPackageName = ps.childPackageNames.get(i); 18108 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 18109 childInfo.removedPackage = childPackageName; 18110 outInfo.removedChildPackages.put(childPackageName, childInfo); 18111 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18112 if (childPs != null) { 18113 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 18114 } 18115 } 18116 } 18117 } 18118 18119 boolean ret = false; 18120 if (isSystemApp(ps)) { 18121 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 18122 // When an updated system application is deleted we delete the existing resources 18123 // as well and fall back to existing code in system partition 18124 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 18125 } else { 18126 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 18127 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 18128 outInfo, writeSettings, replacingPackage); 18129 } 18130 18131 // Take a note whether we deleted the package for all users 18132 if (outInfo != null) { 18133 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 18134 if (outInfo.removedChildPackages != null) { 18135 synchronized (mPackages) { 18136 final int childCount = outInfo.removedChildPackages.size(); 18137 for (int i = 0; i < childCount; i++) { 18138 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 18139 if (childInfo != null) { 18140 childInfo.removedForAllUsers = mPackages.get( 18141 childInfo.removedPackage) == null; 18142 } 18143 } 18144 } 18145 } 18146 // If we uninstalled an update to a system app there may be some 18147 // child packages that appeared as they are declared in the system 18148 // app but were not declared in the update. 18149 if (isSystemApp(ps)) { 18150 synchronized (mPackages) { 18151 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 18152 final int childCount = (updatedPs.childPackageNames != null) 18153 ? updatedPs.childPackageNames.size() : 0; 18154 for (int i = 0; i < childCount; i++) { 18155 String childPackageName = updatedPs.childPackageNames.get(i); 18156 if (outInfo.removedChildPackages == null 18157 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 18158 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18159 if (childPs == null) { 18160 continue; 18161 } 18162 PackageInstalledInfo installRes = new PackageInstalledInfo(); 18163 installRes.name = childPackageName; 18164 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 18165 installRes.pkg = mPackages.get(childPackageName); 18166 installRes.uid = childPs.pkg.applicationInfo.uid; 18167 if (outInfo.appearedChildPackages == null) { 18168 outInfo.appearedChildPackages = new ArrayMap<>(); 18169 } 18170 outInfo.appearedChildPackages.put(childPackageName, installRes); 18171 } 18172 } 18173 } 18174 } 18175 } 18176 18177 return ret; 18178 } 18179 18180 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 18181 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 18182 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 18183 for (int nextUserId : userIds) { 18184 if (DEBUG_REMOVE) { 18185 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 18186 } 18187 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 18188 false /*installed*/, 18189 true /*stopped*/, 18190 true /*notLaunched*/, 18191 false /*hidden*/, 18192 false /*suspended*/, 18193 false /*instantApp*/, 18194 null /*lastDisableAppCaller*/, 18195 null /*enabledComponents*/, 18196 null /*disabledComponents*/, 18197 false /*blockUninstall*/, 18198 ps.readUserState(nextUserId).domainVerificationStatus, 18199 0, PackageManager.INSTALL_REASON_UNKNOWN); 18200 } 18201 mSettings.writeKernelMappingLPr(ps); 18202 } 18203 18204 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 18205 PackageRemovedInfo outInfo) { 18206 final PackageParser.Package pkg; 18207 synchronized (mPackages) { 18208 pkg = mPackages.get(ps.name); 18209 } 18210 18211 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 18212 : new int[] {userId}; 18213 for (int nextUserId : userIds) { 18214 if (DEBUG_REMOVE) { 18215 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 18216 + nextUserId); 18217 } 18218 18219 destroyAppDataLIF(pkg, userId, 18220 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18221 destroyAppProfilesLIF(pkg, userId); 18222 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 18223 schedulePackageCleaning(ps.name, nextUserId, false); 18224 synchronized (mPackages) { 18225 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 18226 scheduleWritePackageRestrictionsLocked(nextUserId); 18227 } 18228 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 18229 } 18230 } 18231 18232 if (outInfo != null) { 18233 outInfo.removedPackage = ps.name; 18234 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 18235 outInfo.removedAppId = ps.appId; 18236 outInfo.removedUsers = userIds; 18237 } 18238 18239 return true; 18240 } 18241 18242 private final class ClearStorageConnection implements ServiceConnection { 18243 IMediaContainerService mContainerService; 18244 18245 @Override 18246 public void onServiceConnected(ComponentName name, IBinder service) { 18247 synchronized (this) { 18248 mContainerService = IMediaContainerService.Stub 18249 .asInterface(Binder.allowBlocking(service)); 18250 notifyAll(); 18251 } 18252 } 18253 18254 @Override 18255 public void onServiceDisconnected(ComponentName name) { 18256 } 18257 } 18258 18259 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 18260 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 18261 18262 final boolean mounted; 18263 if (Environment.isExternalStorageEmulated()) { 18264 mounted = true; 18265 } else { 18266 final String status = Environment.getExternalStorageState(); 18267 18268 mounted = status.equals(Environment.MEDIA_MOUNTED) 18269 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 18270 } 18271 18272 if (!mounted) { 18273 return; 18274 } 18275 18276 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 18277 int[] users; 18278 if (userId == UserHandle.USER_ALL) { 18279 users = sUserManager.getUserIds(); 18280 } else { 18281 users = new int[] { userId }; 18282 } 18283 final ClearStorageConnection conn = new ClearStorageConnection(); 18284 if (mContext.bindServiceAsUser( 18285 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 18286 try { 18287 for (int curUser : users) { 18288 long timeout = SystemClock.uptimeMillis() + 5000; 18289 synchronized (conn) { 18290 long now; 18291 while (conn.mContainerService == null && 18292 (now = SystemClock.uptimeMillis()) < timeout) { 18293 try { 18294 conn.wait(timeout - now); 18295 } catch (InterruptedException e) { 18296 } 18297 } 18298 } 18299 if (conn.mContainerService == null) { 18300 return; 18301 } 18302 18303 final UserEnvironment userEnv = new UserEnvironment(curUser); 18304 clearDirectory(conn.mContainerService, 18305 userEnv.buildExternalStorageAppCacheDirs(packageName)); 18306 if (allData) { 18307 clearDirectory(conn.mContainerService, 18308 userEnv.buildExternalStorageAppDataDirs(packageName)); 18309 clearDirectory(conn.mContainerService, 18310 userEnv.buildExternalStorageAppMediaDirs(packageName)); 18311 } 18312 } 18313 } finally { 18314 mContext.unbindService(conn); 18315 } 18316 } 18317 } 18318 18319 @Override 18320 public void clearApplicationProfileData(String packageName) { 18321 enforceSystemOrRoot("Only the system can clear all profile data"); 18322 18323 final PackageParser.Package pkg; 18324 synchronized (mPackages) { 18325 pkg = mPackages.get(packageName); 18326 } 18327 18328 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 18329 synchronized (mInstallLock) { 18330 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 18331 } 18332 } 18333 } 18334 18335 @Override 18336 public void clearApplicationUserData(final String packageName, 18337 final IPackageDataObserver observer, final int userId) { 18338 mContext.enforceCallingOrSelfPermission( 18339 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 18340 18341 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18342 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 18343 18344 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 18345 throw new SecurityException("Cannot clear data for a protected package: " 18346 + packageName); 18347 } 18348 // Queue up an async operation since the package deletion may take a little while. 18349 mHandler.post(new Runnable() { 18350 public void run() { 18351 mHandler.removeCallbacks(this); 18352 final boolean succeeded; 18353 try (PackageFreezer freezer = freezePackage(packageName, 18354 "clearApplicationUserData")) { 18355 synchronized (mInstallLock) { 18356 succeeded = clearApplicationUserDataLIF(packageName, userId); 18357 } 18358 clearExternalStorageDataSync(packageName, userId, true); 18359 synchronized (mPackages) { 18360 mInstantAppRegistry.deleteInstantApplicationMetadataLPw( 18361 packageName, userId); 18362 } 18363 } 18364 if (succeeded) { 18365 // invoke DeviceStorageMonitor's update method to clear any notifications 18366 DeviceStorageMonitorInternal dsm = LocalServices 18367 .getService(DeviceStorageMonitorInternal.class); 18368 if (dsm != null) { 18369 dsm.checkMemory(); 18370 } 18371 } 18372 if(observer != null) { 18373 try { 18374 observer.onRemoveCompleted(packageName, succeeded); 18375 } catch (RemoteException e) { 18376 Log.i(TAG, "Observer no longer exists."); 18377 } 18378 } //end if observer 18379 } //end run 18380 }); 18381 } 18382 18383 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 18384 if (packageName == null) { 18385 Slog.w(TAG, "Attempt to delete null packageName."); 18386 return false; 18387 } 18388 18389 // Try finding details about the requested package 18390 PackageParser.Package pkg; 18391 synchronized (mPackages) { 18392 pkg = mPackages.get(packageName); 18393 if (pkg == null) { 18394 final PackageSetting ps = mSettings.mPackages.get(packageName); 18395 if (ps != null) { 18396 pkg = ps.pkg; 18397 } 18398 } 18399 18400 if (pkg == null) { 18401 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18402 return false; 18403 } 18404 18405 PackageSetting ps = (PackageSetting) pkg.mExtras; 18406 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18407 } 18408 18409 clearAppDataLIF(pkg, userId, 18410 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18411 18412 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18413 removeKeystoreDataIfNeeded(userId, appId); 18414 18415 UserManagerInternal umInternal = getUserManagerInternal(); 18416 final int flags; 18417 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 18418 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18419 } else if (umInternal.isUserRunning(userId)) { 18420 flags = StorageManager.FLAG_STORAGE_DE; 18421 } else { 18422 flags = 0; 18423 } 18424 prepareAppDataContentsLIF(pkg, userId, flags); 18425 18426 return true; 18427 } 18428 18429 /** 18430 * Reverts user permission state changes (permissions and flags) in 18431 * all packages for a given user. 18432 * 18433 * @param userId The device user for which to do a reset. 18434 */ 18435 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 18436 final int packageCount = mPackages.size(); 18437 for (int i = 0; i < packageCount; i++) { 18438 PackageParser.Package pkg = mPackages.valueAt(i); 18439 PackageSetting ps = (PackageSetting) pkg.mExtras; 18440 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18441 } 18442 } 18443 18444 private void resetNetworkPolicies(int userId) { 18445 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 18446 } 18447 18448 /** 18449 * Reverts user permission state changes (permissions and flags). 18450 * 18451 * @param ps The package for which to reset. 18452 * @param userId The device user for which to do a reset. 18453 */ 18454 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 18455 final PackageSetting ps, final int userId) { 18456 if (ps.pkg == null) { 18457 return; 18458 } 18459 18460 // These are flags that can change base on user actions. 18461 final int userSettableMask = FLAG_PERMISSION_USER_SET 18462 | FLAG_PERMISSION_USER_FIXED 18463 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 18464 | FLAG_PERMISSION_REVIEW_REQUIRED; 18465 18466 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 18467 | FLAG_PERMISSION_POLICY_FIXED; 18468 18469 boolean writeInstallPermissions = false; 18470 boolean writeRuntimePermissions = false; 18471 18472 final int permissionCount = ps.pkg.requestedPermissions.size(); 18473 for (int i = 0; i < permissionCount; i++) { 18474 String permission = ps.pkg.requestedPermissions.get(i); 18475 18476 BasePermission bp = mSettings.mPermissions.get(permission); 18477 if (bp == null) { 18478 continue; 18479 } 18480 18481 // If shared user we just reset the state to which only this app contributed. 18482 if (ps.sharedUser != null) { 18483 boolean used = false; 18484 final int packageCount = ps.sharedUser.packages.size(); 18485 for (int j = 0; j < packageCount; j++) { 18486 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 18487 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 18488 && pkg.pkg.requestedPermissions.contains(permission)) { 18489 used = true; 18490 break; 18491 } 18492 } 18493 if (used) { 18494 continue; 18495 } 18496 } 18497 18498 PermissionsState permissionsState = ps.getPermissionsState(); 18499 18500 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 18501 18502 // Always clear the user settable flags. 18503 final boolean hasInstallState = permissionsState.getInstallPermissionState( 18504 bp.name) != null; 18505 // If permission review is enabled and this is a legacy app, mark the 18506 // permission as requiring a review as this is the initial state. 18507 int flags = 0; 18508 if (mPermissionReviewRequired 18509 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 18510 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 18511 } 18512 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 18513 if (hasInstallState) { 18514 writeInstallPermissions = true; 18515 } else { 18516 writeRuntimePermissions = true; 18517 } 18518 } 18519 18520 // Below is only runtime permission handling. 18521 if (!bp.isRuntime()) { 18522 continue; 18523 } 18524 18525 // Never clobber system or policy. 18526 if ((oldFlags & policyOrSystemFlags) != 0) { 18527 continue; 18528 } 18529 18530 // If this permission was granted by default, make sure it is. 18531 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 18532 if (permissionsState.grantRuntimePermission(bp, userId) 18533 != PERMISSION_OPERATION_FAILURE) { 18534 writeRuntimePermissions = true; 18535 } 18536 // If permission review is enabled the permissions for a legacy apps 18537 // are represented as constantly granted runtime ones, so don't revoke. 18538 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 18539 // Otherwise, reset the permission. 18540 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 18541 switch (revokeResult) { 18542 case PERMISSION_OPERATION_SUCCESS: 18543 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 18544 writeRuntimePermissions = true; 18545 final int appId = ps.appId; 18546 mHandler.post(new Runnable() { 18547 @Override 18548 public void run() { 18549 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 18550 } 18551 }); 18552 } break; 18553 } 18554 } 18555 } 18556 18557 // Synchronously write as we are taking permissions away. 18558 if (writeRuntimePermissions) { 18559 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 18560 } 18561 18562 // Synchronously write as we are taking permissions away. 18563 if (writeInstallPermissions) { 18564 mSettings.writeLPr(); 18565 } 18566 } 18567 18568 /** 18569 * Remove entries from the keystore daemon. Will only remove it if the 18570 * {@code appId} is valid. 18571 */ 18572 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 18573 if (appId < 0) { 18574 return; 18575 } 18576 18577 final KeyStore keyStore = KeyStore.getInstance(); 18578 if (keyStore != null) { 18579 if (userId == UserHandle.USER_ALL) { 18580 for (final int individual : sUserManager.getUserIds()) { 18581 keyStore.clearUid(UserHandle.getUid(individual, appId)); 18582 } 18583 } else { 18584 keyStore.clearUid(UserHandle.getUid(userId, appId)); 18585 } 18586 } else { 18587 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 18588 } 18589 } 18590 18591 @Override 18592 public void deleteApplicationCacheFiles(final String packageName, 18593 final IPackageDataObserver observer) { 18594 final int userId = UserHandle.getCallingUserId(); 18595 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 18596 } 18597 18598 @Override 18599 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 18600 final IPackageDataObserver observer) { 18601 mContext.enforceCallingOrSelfPermission( 18602 android.Manifest.permission.DELETE_CACHE_FILES, null); 18603 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18604 /* requireFullPermission= */ true, /* checkShell= */ false, 18605 "delete application cache files"); 18606 18607 final PackageParser.Package pkg; 18608 synchronized (mPackages) { 18609 pkg = mPackages.get(packageName); 18610 } 18611 18612 // Queue up an async operation since the package deletion may take a little while. 18613 mHandler.post(new Runnable() { 18614 public void run() { 18615 synchronized (mInstallLock) { 18616 final int flags = StorageManager.FLAG_STORAGE_DE 18617 | StorageManager.FLAG_STORAGE_CE; 18618 // We're only clearing cache files, so we don't care if the 18619 // app is unfrozen and still able to run 18620 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 18621 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18622 } 18623 clearExternalStorageDataSync(packageName, userId, false); 18624 if (observer != null) { 18625 try { 18626 observer.onRemoveCompleted(packageName, true); 18627 } catch (RemoteException e) { 18628 Log.i(TAG, "Observer no longer exists."); 18629 } 18630 } 18631 } 18632 }); 18633 } 18634 18635 @Override 18636 public void getPackageSizeInfo(final String packageName, int userHandle, 18637 final IPackageStatsObserver observer) { 18638 throw new UnsupportedOperationException( 18639 "Shame on you for calling a hidden API. Shame!"); 18640 } 18641 18642 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 18643 final PackageSetting ps; 18644 synchronized (mPackages) { 18645 ps = mSettings.mPackages.get(packageName); 18646 if (ps == null) { 18647 Slog.w(TAG, "Failed to find settings for " + packageName); 18648 return false; 18649 } 18650 } 18651 18652 final String[] packageNames = { packageName }; 18653 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 18654 final String[] codePaths = { ps.codePathString }; 18655 18656 try { 18657 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 18658 ps.appId, ceDataInodes, codePaths, stats); 18659 18660 // For now, ignore code size of packages on system partition 18661 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 18662 stats.codeSize = 0; 18663 } 18664 18665 // External clients expect these to be tracked separately 18666 stats.dataSize -= stats.cacheSize; 18667 18668 } catch (InstallerException e) { 18669 Slog.w(TAG, String.valueOf(e)); 18670 return false; 18671 } 18672 18673 return true; 18674 } 18675 18676 private int getUidTargetSdkVersionLockedLPr(int uid) { 18677 Object obj = mSettings.getUserIdLPr(uid); 18678 if (obj instanceof SharedUserSetting) { 18679 final SharedUserSetting sus = (SharedUserSetting) obj; 18680 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 18681 final Iterator<PackageSetting> it = sus.packages.iterator(); 18682 while (it.hasNext()) { 18683 final PackageSetting ps = it.next(); 18684 if (ps.pkg != null) { 18685 int v = ps.pkg.applicationInfo.targetSdkVersion; 18686 if (v < vers) vers = v; 18687 } 18688 } 18689 return vers; 18690 } else if (obj instanceof PackageSetting) { 18691 final PackageSetting ps = (PackageSetting) obj; 18692 if (ps.pkg != null) { 18693 return ps.pkg.applicationInfo.targetSdkVersion; 18694 } 18695 } 18696 return Build.VERSION_CODES.CUR_DEVELOPMENT; 18697 } 18698 18699 @Override 18700 public void addPreferredActivity(IntentFilter filter, int match, 18701 ComponentName[] set, ComponentName activity, int userId) { 18702 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18703 "Adding preferred"); 18704 } 18705 18706 private void addPreferredActivityInternal(IntentFilter filter, int match, 18707 ComponentName[] set, ComponentName activity, boolean always, int userId, 18708 String opname) { 18709 // writer 18710 int callingUid = Binder.getCallingUid(); 18711 enforceCrossUserPermission(callingUid, userId, 18712 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 18713 if (filter.countActions() == 0) { 18714 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18715 return; 18716 } 18717 synchronized (mPackages) { 18718 if (mContext.checkCallingOrSelfPermission( 18719 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18720 != PackageManager.PERMISSION_GRANTED) { 18721 if (getUidTargetSdkVersionLockedLPr(callingUid) 18722 < Build.VERSION_CODES.FROYO) { 18723 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 18724 + callingUid); 18725 return; 18726 } 18727 mContext.enforceCallingOrSelfPermission( 18728 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18729 } 18730 18731 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 18732 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 18733 + userId + ":"); 18734 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18735 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 18736 scheduleWritePackageRestrictionsLocked(userId); 18737 postPreferredActivityChangedBroadcast(userId); 18738 } 18739 } 18740 18741 private void postPreferredActivityChangedBroadcast(int userId) { 18742 mHandler.post(() -> { 18743 final IActivityManager am = ActivityManager.getService(); 18744 if (am == null) { 18745 return; 18746 } 18747 18748 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 18749 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18750 try { 18751 am.broadcastIntent(null, intent, null, null, 18752 0, null, null, null, android.app.AppOpsManager.OP_NONE, 18753 null, false, false, userId); 18754 } catch (RemoteException e) { 18755 } 18756 }); 18757 } 18758 18759 @Override 18760 public void replacePreferredActivity(IntentFilter filter, int match, 18761 ComponentName[] set, ComponentName activity, int userId) { 18762 if (filter.countActions() != 1) { 18763 throw new IllegalArgumentException( 18764 "replacePreferredActivity expects filter to have only 1 action."); 18765 } 18766 if (filter.countDataAuthorities() != 0 18767 || filter.countDataPaths() != 0 18768 || filter.countDataSchemes() > 1 18769 || filter.countDataTypes() != 0) { 18770 throw new IllegalArgumentException( 18771 "replacePreferredActivity expects filter to have no data authorities, " + 18772 "paths, or types; and at most one scheme."); 18773 } 18774 18775 final int callingUid = Binder.getCallingUid(); 18776 enforceCrossUserPermission(callingUid, userId, 18777 true /* requireFullPermission */, false /* checkShell */, 18778 "replace preferred activity"); 18779 synchronized (mPackages) { 18780 if (mContext.checkCallingOrSelfPermission( 18781 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18782 != PackageManager.PERMISSION_GRANTED) { 18783 if (getUidTargetSdkVersionLockedLPr(callingUid) 18784 < Build.VERSION_CODES.FROYO) { 18785 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 18786 + Binder.getCallingUid()); 18787 return; 18788 } 18789 mContext.enforceCallingOrSelfPermission( 18790 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18791 } 18792 18793 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18794 if (pir != null) { 18795 // Get all of the existing entries that exactly match this filter. 18796 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 18797 if (existing != null && existing.size() == 1) { 18798 PreferredActivity cur = existing.get(0); 18799 if (DEBUG_PREFERRED) { 18800 Slog.i(TAG, "Checking replace of preferred:"); 18801 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18802 if (!cur.mPref.mAlways) { 18803 Slog.i(TAG, " -- CUR; not mAlways!"); 18804 } else { 18805 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 18806 Slog.i(TAG, " -- CUR: mSet=" 18807 + Arrays.toString(cur.mPref.mSetComponents)); 18808 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 18809 Slog.i(TAG, " -- NEW: mMatch=" 18810 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 18811 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 18812 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 18813 } 18814 } 18815 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 18816 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 18817 && cur.mPref.sameSet(set)) { 18818 // Setting the preferred activity to what it happens to be already 18819 if (DEBUG_PREFERRED) { 18820 Slog.i(TAG, "Replacing with same preferred activity " 18821 + cur.mPref.mShortComponent + " for user " 18822 + userId + ":"); 18823 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18824 } 18825 return; 18826 } 18827 } 18828 18829 if (existing != null) { 18830 if (DEBUG_PREFERRED) { 18831 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 18832 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18833 } 18834 for (int i = 0; i < existing.size(); i++) { 18835 PreferredActivity pa = existing.get(i); 18836 if (DEBUG_PREFERRED) { 18837 Slog.i(TAG, "Removing existing preferred activity " 18838 + pa.mPref.mComponent + ":"); 18839 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 18840 } 18841 pir.removeFilter(pa); 18842 } 18843 } 18844 } 18845 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18846 "Replacing preferred"); 18847 } 18848 } 18849 18850 @Override 18851 public void clearPackagePreferredActivities(String packageName) { 18852 final int uid = Binder.getCallingUid(); 18853 // writer 18854 synchronized (mPackages) { 18855 PackageParser.Package pkg = mPackages.get(packageName); 18856 if (pkg == null || pkg.applicationInfo.uid != uid) { 18857 if (mContext.checkCallingOrSelfPermission( 18858 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18859 != PackageManager.PERMISSION_GRANTED) { 18860 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 18861 < Build.VERSION_CODES.FROYO) { 18862 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 18863 + Binder.getCallingUid()); 18864 return; 18865 } 18866 mContext.enforceCallingOrSelfPermission( 18867 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18868 } 18869 } 18870 18871 int user = UserHandle.getCallingUserId(); 18872 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 18873 scheduleWritePackageRestrictionsLocked(user); 18874 } 18875 } 18876 } 18877 18878 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18879 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 18880 ArrayList<PreferredActivity> removed = null; 18881 boolean changed = false; 18882 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18883 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 18884 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18885 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 18886 continue; 18887 } 18888 Iterator<PreferredActivity> it = pir.filterIterator(); 18889 while (it.hasNext()) { 18890 PreferredActivity pa = it.next(); 18891 // Mark entry for removal only if it matches the package name 18892 // and the entry is of type "always". 18893 if (packageName == null || 18894 (pa.mPref.mComponent.getPackageName().equals(packageName) 18895 && pa.mPref.mAlways)) { 18896 if (removed == null) { 18897 removed = new ArrayList<PreferredActivity>(); 18898 } 18899 removed.add(pa); 18900 } 18901 } 18902 if (removed != null) { 18903 for (int j=0; j<removed.size(); j++) { 18904 PreferredActivity pa = removed.get(j); 18905 pir.removeFilter(pa); 18906 } 18907 changed = true; 18908 } 18909 } 18910 if (changed) { 18911 postPreferredActivityChangedBroadcast(userId); 18912 } 18913 return changed; 18914 } 18915 18916 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18917 private void clearIntentFilterVerificationsLPw(int userId) { 18918 final int packageCount = mPackages.size(); 18919 for (int i = 0; i < packageCount; i++) { 18920 PackageParser.Package pkg = mPackages.valueAt(i); 18921 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 18922 } 18923 } 18924 18925 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18926 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 18927 if (userId == UserHandle.USER_ALL) { 18928 if (mSettings.removeIntentFilterVerificationLPw(packageName, 18929 sUserManager.getUserIds())) { 18930 for (int oneUserId : sUserManager.getUserIds()) { 18931 scheduleWritePackageRestrictionsLocked(oneUserId); 18932 } 18933 } 18934 } else { 18935 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 18936 scheduleWritePackageRestrictionsLocked(userId); 18937 } 18938 } 18939 } 18940 18941 void clearDefaultBrowserIfNeeded(String packageName) { 18942 for (int oneUserId : sUserManager.getUserIds()) { 18943 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 18944 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 18945 if (packageName.equals(defaultBrowserPackageName)) { 18946 setDefaultBrowserPackageName(null, oneUserId); 18947 } 18948 } 18949 } 18950 18951 @Override 18952 public void resetApplicationPreferences(int userId) { 18953 mContext.enforceCallingOrSelfPermission( 18954 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18955 final long identity = Binder.clearCallingIdentity(); 18956 // writer 18957 try { 18958 synchronized (mPackages) { 18959 clearPackagePreferredActivitiesLPw(null, userId); 18960 mSettings.applyDefaultPreferredAppsLPw(this, userId); 18961 // TODO: We have to reset the default SMS and Phone. This requires 18962 // significant refactoring to keep all default apps in the package 18963 // manager (cleaner but more work) or have the services provide 18964 // callbacks to the package manager to request a default app reset. 18965 applyFactoryDefaultBrowserLPw(userId); 18966 clearIntentFilterVerificationsLPw(userId); 18967 primeDomainVerificationsLPw(userId); 18968 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 18969 scheduleWritePackageRestrictionsLocked(userId); 18970 } 18971 resetNetworkPolicies(userId); 18972 } finally { 18973 Binder.restoreCallingIdentity(identity); 18974 } 18975 } 18976 18977 @Override 18978 public int getPreferredActivities(List<IntentFilter> outFilters, 18979 List<ComponentName> outActivities, String packageName) { 18980 18981 int num = 0; 18982 final int userId = UserHandle.getCallingUserId(); 18983 // reader 18984 synchronized (mPackages) { 18985 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18986 if (pir != null) { 18987 final Iterator<PreferredActivity> it = pir.filterIterator(); 18988 while (it.hasNext()) { 18989 final PreferredActivity pa = it.next(); 18990 if (packageName == null 18991 || (pa.mPref.mComponent.getPackageName().equals(packageName) 18992 && pa.mPref.mAlways)) { 18993 if (outFilters != null) { 18994 outFilters.add(new IntentFilter(pa)); 18995 } 18996 if (outActivities != null) { 18997 outActivities.add(pa.mPref.mComponent); 18998 } 18999 } 19000 } 19001 } 19002 } 19003 19004 return num; 19005 } 19006 19007 @Override 19008 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 19009 int userId) { 19010 int callingUid = Binder.getCallingUid(); 19011 if (callingUid != Process.SYSTEM_UID) { 19012 throw new SecurityException( 19013 "addPersistentPreferredActivity can only be run by the system"); 19014 } 19015 if (filter.countActions() == 0) { 19016 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 19017 return; 19018 } 19019 synchronized (mPackages) { 19020 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 19021 ":"); 19022 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19023 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 19024 new PersistentPreferredActivity(filter, activity)); 19025 scheduleWritePackageRestrictionsLocked(userId); 19026 postPreferredActivityChangedBroadcast(userId); 19027 } 19028 } 19029 19030 @Override 19031 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 19032 int callingUid = Binder.getCallingUid(); 19033 if (callingUid != Process.SYSTEM_UID) { 19034 throw new SecurityException( 19035 "clearPackagePersistentPreferredActivities can only be run by the system"); 19036 } 19037 ArrayList<PersistentPreferredActivity> removed = null; 19038 boolean changed = false; 19039 synchronized (mPackages) { 19040 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 19041 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 19042 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 19043 .valueAt(i); 19044 if (userId != thisUserId) { 19045 continue; 19046 } 19047 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 19048 while (it.hasNext()) { 19049 PersistentPreferredActivity ppa = it.next(); 19050 // Mark entry for removal only if it matches the package name. 19051 if (ppa.mComponent.getPackageName().equals(packageName)) { 19052 if (removed == null) { 19053 removed = new ArrayList<PersistentPreferredActivity>(); 19054 } 19055 removed.add(ppa); 19056 } 19057 } 19058 if (removed != null) { 19059 for (int j=0; j<removed.size(); j++) { 19060 PersistentPreferredActivity ppa = removed.get(j); 19061 ppir.removeFilter(ppa); 19062 } 19063 changed = true; 19064 } 19065 } 19066 19067 if (changed) { 19068 scheduleWritePackageRestrictionsLocked(userId); 19069 postPreferredActivityChangedBroadcast(userId); 19070 } 19071 } 19072 } 19073 19074 /** 19075 * Common machinery for picking apart a restored XML blob and passing 19076 * it to a caller-supplied functor to be applied to the running system. 19077 */ 19078 private void restoreFromXml(XmlPullParser parser, int userId, 19079 String expectedStartTag, BlobXmlRestorer functor) 19080 throws IOException, XmlPullParserException { 19081 int type; 19082 while ((type = parser.next()) != XmlPullParser.START_TAG 19083 && type != XmlPullParser.END_DOCUMENT) { 19084 } 19085 if (type != XmlPullParser.START_TAG) { 19086 // oops didn't find a start tag?! 19087 if (DEBUG_BACKUP) { 19088 Slog.e(TAG, "Didn't find start tag during restore"); 19089 } 19090 return; 19091 } 19092Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 19093 // this is supposed to be TAG_PREFERRED_BACKUP 19094 if (!expectedStartTag.equals(parser.getName())) { 19095 if (DEBUG_BACKUP) { 19096 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 19097 } 19098 return; 19099 } 19100 19101 // skip interfering stuff, then we're aligned with the backing implementation 19102 while ((type = parser.next()) == XmlPullParser.TEXT) { } 19103Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 19104 functor.apply(parser, userId); 19105 } 19106 19107 private interface BlobXmlRestorer { 19108 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 19109 } 19110 19111 /** 19112 * Non-Binder method, support for the backup/restore mechanism: write the 19113 * full set of preferred activities in its canonical XML format. Returns the 19114 * XML output as a byte array, or null if there is none. 19115 */ 19116 @Override 19117 public byte[] getPreferredActivityBackup(int userId) { 19118 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19119 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 19120 } 19121 19122 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19123 try { 19124 final XmlSerializer serializer = new FastXmlSerializer(); 19125 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19126 serializer.startDocument(null, true); 19127 serializer.startTag(null, TAG_PREFERRED_BACKUP); 19128 19129 synchronized (mPackages) { 19130 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 19131 } 19132 19133 serializer.endTag(null, TAG_PREFERRED_BACKUP); 19134 serializer.endDocument(); 19135 serializer.flush(); 19136 } catch (Exception e) { 19137 if (DEBUG_BACKUP) { 19138 Slog.e(TAG, "Unable to write preferred activities for backup", e); 19139 } 19140 return null; 19141 } 19142 19143 return dataStream.toByteArray(); 19144 } 19145 19146 @Override 19147 public void restorePreferredActivities(byte[] backup, int userId) { 19148 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19149 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19150 } 19151 19152 try { 19153 final XmlPullParser parser = Xml.newPullParser(); 19154 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19155 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 19156 new BlobXmlRestorer() { 19157 @Override 19158 public void apply(XmlPullParser parser, int userId) 19159 throws XmlPullParserException, IOException { 19160 synchronized (mPackages) { 19161 mSettings.readPreferredActivitiesLPw(parser, userId); 19162 } 19163 } 19164 } ); 19165 } catch (Exception e) { 19166 if (DEBUG_BACKUP) { 19167 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19168 } 19169 } 19170 } 19171 19172 /** 19173 * Non-Binder method, support for the backup/restore mechanism: write the 19174 * default browser (etc) settings in its canonical XML format. Returns the default 19175 * browser XML representation as a byte array, or null if there is none. 19176 */ 19177 @Override 19178 public byte[] getDefaultAppsBackup(int userId) { 19179 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19180 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 19181 } 19182 19183 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19184 try { 19185 final XmlSerializer serializer = new FastXmlSerializer(); 19186 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19187 serializer.startDocument(null, true); 19188 serializer.startTag(null, TAG_DEFAULT_APPS); 19189 19190 synchronized (mPackages) { 19191 mSettings.writeDefaultAppsLPr(serializer, userId); 19192 } 19193 19194 serializer.endTag(null, TAG_DEFAULT_APPS); 19195 serializer.endDocument(); 19196 serializer.flush(); 19197 } catch (Exception e) { 19198 if (DEBUG_BACKUP) { 19199 Slog.e(TAG, "Unable to write default apps for backup", e); 19200 } 19201 return null; 19202 } 19203 19204 return dataStream.toByteArray(); 19205 } 19206 19207 @Override 19208 public void restoreDefaultApps(byte[] backup, int userId) { 19209 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19210 throw new SecurityException("Only the system may call restoreDefaultApps()"); 19211 } 19212 19213 try { 19214 final XmlPullParser parser = Xml.newPullParser(); 19215 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19216 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 19217 new BlobXmlRestorer() { 19218 @Override 19219 public void apply(XmlPullParser parser, int userId) 19220 throws XmlPullParserException, IOException { 19221 synchronized (mPackages) { 19222 mSettings.readDefaultAppsLPw(parser, userId); 19223 } 19224 } 19225 } ); 19226 } catch (Exception e) { 19227 if (DEBUG_BACKUP) { 19228 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 19229 } 19230 } 19231 } 19232 19233 @Override 19234 public byte[] getIntentFilterVerificationBackup(int userId) { 19235 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19236 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 19237 } 19238 19239 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19240 try { 19241 final XmlSerializer serializer = new FastXmlSerializer(); 19242 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19243 serializer.startDocument(null, true); 19244 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 19245 19246 synchronized (mPackages) { 19247 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 19248 } 19249 19250 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 19251 serializer.endDocument(); 19252 serializer.flush(); 19253 } catch (Exception e) { 19254 if (DEBUG_BACKUP) { 19255 Slog.e(TAG, "Unable to write default apps for backup", e); 19256 } 19257 return null; 19258 } 19259 19260 return dataStream.toByteArray(); 19261 } 19262 19263 @Override 19264 public void restoreIntentFilterVerification(byte[] backup, int userId) { 19265 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19266 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19267 } 19268 19269 try { 19270 final XmlPullParser parser = Xml.newPullParser(); 19271 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19272 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 19273 new BlobXmlRestorer() { 19274 @Override 19275 public void apply(XmlPullParser parser, int userId) 19276 throws XmlPullParserException, IOException { 19277 synchronized (mPackages) { 19278 mSettings.readAllDomainVerificationsLPr(parser, userId); 19279 mSettings.writeLPr(); 19280 } 19281 } 19282 } ); 19283 } catch (Exception e) { 19284 if (DEBUG_BACKUP) { 19285 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19286 } 19287 } 19288 } 19289 19290 @Override 19291 public byte[] getPermissionGrantBackup(int userId) { 19292 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19293 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 19294 } 19295 19296 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19297 try { 19298 final XmlSerializer serializer = new FastXmlSerializer(); 19299 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19300 serializer.startDocument(null, true); 19301 serializer.startTag(null, TAG_PERMISSION_BACKUP); 19302 19303 synchronized (mPackages) { 19304 serializeRuntimePermissionGrantsLPr(serializer, userId); 19305 } 19306 19307 serializer.endTag(null, TAG_PERMISSION_BACKUP); 19308 serializer.endDocument(); 19309 serializer.flush(); 19310 } catch (Exception e) { 19311 if (DEBUG_BACKUP) { 19312 Slog.e(TAG, "Unable to write default apps for backup", e); 19313 } 19314 return null; 19315 } 19316 19317 return dataStream.toByteArray(); 19318 } 19319 19320 @Override 19321 public void restorePermissionGrants(byte[] backup, int userId) { 19322 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19323 throw new SecurityException("Only the system may call restorePermissionGrants()"); 19324 } 19325 19326 try { 19327 final XmlPullParser parser = Xml.newPullParser(); 19328 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19329 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 19330 new BlobXmlRestorer() { 19331 @Override 19332 public void apply(XmlPullParser parser, int userId) 19333 throws XmlPullParserException, IOException { 19334 synchronized (mPackages) { 19335 processRestoredPermissionGrantsLPr(parser, userId); 19336 } 19337 } 19338 } ); 19339 } catch (Exception e) { 19340 if (DEBUG_BACKUP) { 19341 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19342 } 19343 } 19344 } 19345 19346 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 19347 throws IOException { 19348 serializer.startTag(null, TAG_ALL_GRANTS); 19349 19350 final int N = mSettings.mPackages.size(); 19351 for (int i = 0; i < N; i++) { 19352 final PackageSetting ps = mSettings.mPackages.valueAt(i); 19353 boolean pkgGrantsKnown = false; 19354 19355 PermissionsState packagePerms = ps.getPermissionsState(); 19356 19357 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 19358 final int grantFlags = state.getFlags(); 19359 // only look at grants that are not system/policy fixed 19360 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 19361 final boolean isGranted = state.isGranted(); 19362 // And only back up the user-twiddled state bits 19363 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 19364 final String packageName = mSettings.mPackages.keyAt(i); 19365 if (!pkgGrantsKnown) { 19366 serializer.startTag(null, TAG_GRANT); 19367 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 19368 pkgGrantsKnown = true; 19369 } 19370 19371 final boolean userSet = 19372 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 19373 final boolean userFixed = 19374 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 19375 final boolean revoke = 19376 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 19377 19378 serializer.startTag(null, TAG_PERMISSION); 19379 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 19380 if (isGranted) { 19381 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 19382 } 19383 if (userSet) { 19384 serializer.attribute(null, ATTR_USER_SET, "true"); 19385 } 19386 if (userFixed) { 19387 serializer.attribute(null, ATTR_USER_FIXED, "true"); 19388 } 19389 if (revoke) { 19390 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 19391 } 19392 serializer.endTag(null, TAG_PERMISSION); 19393 } 19394 } 19395 } 19396 19397 if (pkgGrantsKnown) { 19398 serializer.endTag(null, TAG_GRANT); 19399 } 19400 } 19401 19402 serializer.endTag(null, TAG_ALL_GRANTS); 19403 } 19404 19405 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 19406 throws XmlPullParserException, IOException { 19407 String pkgName = null; 19408 int outerDepth = parser.getDepth(); 19409 int type; 19410 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 19411 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 19412 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 19413 continue; 19414 } 19415 19416 final String tagName = parser.getName(); 19417 if (tagName.equals(TAG_GRANT)) { 19418 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 19419 if (DEBUG_BACKUP) { 19420 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 19421 } 19422 } else if (tagName.equals(TAG_PERMISSION)) { 19423 19424 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 19425 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 19426 19427 int newFlagSet = 0; 19428 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 19429 newFlagSet |= FLAG_PERMISSION_USER_SET; 19430 } 19431 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 19432 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 19433 } 19434 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 19435 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 19436 } 19437 if (DEBUG_BACKUP) { 19438 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 19439 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 19440 } 19441 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19442 if (ps != null) { 19443 // Already installed so we apply the grant immediately 19444 if (DEBUG_BACKUP) { 19445 Slog.v(TAG, " + already installed; applying"); 19446 } 19447 PermissionsState perms = ps.getPermissionsState(); 19448 BasePermission bp = mSettings.mPermissions.get(permName); 19449 if (bp != null) { 19450 if (isGranted) { 19451 perms.grantRuntimePermission(bp, userId); 19452 } 19453 if (newFlagSet != 0) { 19454 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 19455 } 19456 } 19457 } else { 19458 // Need to wait for post-restore install to apply the grant 19459 if (DEBUG_BACKUP) { 19460 Slog.v(TAG, " - not yet installed; saving for later"); 19461 } 19462 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 19463 isGranted, newFlagSet, userId); 19464 } 19465 } else { 19466 PackageManagerService.reportSettingsProblem(Log.WARN, 19467 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 19468 XmlUtils.skipCurrentTag(parser); 19469 } 19470 } 19471 19472 scheduleWriteSettingsLocked(); 19473 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 19474 } 19475 19476 @Override 19477 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 19478 int sourceUserId, int targetUserId, int flags) { 19479 mContext.enforceCallingOrSelfPermission( 19480 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19481 int callingUid = Binder.getCallingUid(); 19482 enforceOwnerRights(ownerPackage, callingUid); 19483 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19484 if (intentFilter.countActions() == 0) { 19485 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 19486 return; 19487 } 19488 synchronized (mPackages) { 19489 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 19490 ownerPackage, targetUserId, flags); 19491 CrossProfileIntentResolver resolver = 19492 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19493 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 19494 // We have all those whose filter is equal. Now checking if the rest is equal as well. 19495 if (existing != null) { 19496 int size = existing.size(); 19497 for (int i = 0; i < size; i++) { 19498 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 19499 return; 19500 } 19501 } 19502 } 19503 resolver.addFilter(newFilter); 19504 scheduleWritePackageRestrictionsLocked(sourceUserId); 19505 } 19506 } 19507 19508 @Override 19509 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 19510 mContext.enforceCallingOrSelfPermission( 19511 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19512 int callingUid = Binder.getCallingUid(); 19513 enforceOwnerRights(ownerPackage, callingUid); 19514 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19515 synchronized (mPackages) { 19516 CrossProfileIntentResolver resolver = 19517 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19518 ArraySet<CrossProfileIntentFilter> set = 19519 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 19520 for (CrossProfileIntentFilter filter : set) { 19521 if (filter.getOwnerPackage().equals(ownerPackage)) { 19522 resolver.removeFilter(filter); 19523 } 19524 } 19525 scheduleWritePackageRestrictionsLocked(sourceUserId); 19526 } 19527 } 19528 19529 // Enforcing that callingUid is owning pkg on userId 19530 private void enforceOwnerRights(String pkg, int callingUid) { 19531 // The system owns everything. 19532 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 19533 return; 19534 } 19535 int callingUserId = UserHandle.getUserId(callingUid); 19536 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 19537 if (pi == null) { 19538 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 19539 + callingUserId); 19540 } 19541 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 19542 throw new SecurityException("Calling uid " + callingUid 19543 + " does not own package " + pkg); 19544 } 19545 } 19546 19547 @Override 19548 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 19549 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 19550 } 19551 19552 /** 19553 * Report the 'Home' activity which is currently set as "always use this one". If non is set 19554 * then reports the most likely home activity or null if there are more than one. 19555 */ 19556 public ComponentName getDefaultHomeActivity(int userId) { 19557 List<ResolveInfo> allHomeCandidates = new ArrayList<>(); 19558 ComponentName cn = getHomeActivitiesAsUser(allHomeCandidates, userId); 19559 if (cn != null) { 19560 return cn; 19561 } 19562 19563 // Find the launcher with the highest priority and return that component if there are no 19564 // other home activity with the same priority. 19565 int lastPriority = Integer.MIN_VALUE; 19566 ComponentName lastComponent = null; 19567 final int size = allHomeCandidates.size(); 19568 for (int i = 0; i < size; i++) { 19569 final ResolveInfo ri = allHomeCandidates.get(i); 19570 if (ri.priority > lastPriority) { 19571 lastComponent = ri.activityInfo.getComponentName(); 19572 lastPriority = ri.priority; 19573 } else if (ri.priority == lastPriority) { 19574 // Two components found with same priority. 19575 lastComponent = null; 19576 } 19577 } 19578 return lastComponent; 19579 } 19580 19581 private Intent getHomeIntent() { 19582 Intent intent = new Intent(Intent.ACTION_MAIN); 19583 intent.addCategory(Intent.CATEGORY_HOME); 19584 intent.addCategory(Intent.CATEGORY_DEFAULT); 19585 return intent; 19586 } 19587 19588 private IntentFilter getHomeFilter() { 19589 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 19590 filter.addCategory(Intent.CATEGORY_HOME); 19591 filter.addCategory(Intent.CATEGORY_DEFAULT); 19592 return filter; 19593 } 19594 19595 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19596 int userId) { 19597 Intent intent = getHomeIntent(); 19598 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 19599 PackageManager.GET_META_DATA, userId); 19600 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 19601 true, false, false, userId); 19602 19603 allHomeCandidates.clear(); 19604 if (list != null) { 19605 for (ResolveInfo ri : list) { 19606 allHomeCandidates.add(ri); 19607 } 19608 } 19609 return (preferred == null || preferred.activityInfo == null) 19610 ? null 19611 : new ComponentName(preferred.activityInfo.packageName, 19612 preferred.activityInfo.name); 19613 } 19614 19615 @Override 19616 public void setHomeActivity(ComponentName comp, int userId) { 19617 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 19618 getHomeActivitiesAsUser(homeActivities, userId); 19619 19620 boolean found = false; 19621 19622 final int size = homeActivities.size(); 19623 final ComponentName[] set = new ComponentName[size]; 19624 for (int i = 0; i < size; i++) { 19625 final ResolveInfo candidate = homeActivities.get(i); 19626 final ActivityInfo info = candidate.activityInfo; 19627 final ComponentName activityName = new ComponentName(info.packageName, info.name); 19628 set[i] = activityName; 19629 if (!found && activityName.equals(comp)) { 19630 found = true; 19631 } 19632 } 19633 if (!found) { 19634 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 19635 + userId); 19636 } 19637 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 19638 set, comp, userId); 19639 } 19640 19641 private @Nullable String getSetupWizardPackageName() { 19642 final Intent intent = new Intent(Intent.ACTION_MAIN); 19643 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 19644 19645 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19646 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19647 | MATCH_DISABLED_COMPONENTS, 19648 UserHandle.myUserId()); 19649 if (matches.size() == 1) { 19650 return matches.get(0).getComponentInfo().packageName; 19651 } else { 19652 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 19653 + ": matches=" + matches); 19654 return null; 19655 } 19656 } 19657 19658 private @Nullable String getStorageManagerPackageName() { 19659 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 19660 19661 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19662 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19663 | MATCH_DISABLED_COMPONENTS, 19664 UserHandle.myUserId()); 19665 if (matches.size() == 1) { 19666 return matches.get(0).getComponentInfo().packageName; 19667 } else { 19668 Slog.e(TAG, "There should probably be exactly one storage manager; found " 19669 + matches.size() + ": matches=" + matches); 19670 return null; 19671 } 19672 } 19673 19674 @Override 19675 public void setApplicationEnabledSetting(String appPackageName, 19676 int newState, int flags, int userId, String callingPackage) { 19677 if (!sUserManager.exists(userId)) return; 19678 if (callingPackage == null) { 19679 callingPackage = Integer.toString(Binder.getCallingUid()); 19680 } 19681 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 19682 } 19683 19684 @Override 19685 public void setUpdateAvailable(String packageName, boolean updateAvailable) { 19686 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 19687 synchronized (mPackages) { 19688 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 19689 if (pkgSetting != null) { 19690 pkgSetting.setUpdateAvailable(updateAvailable); 19691 } 19692 } 19693 } 19694 19695 @Override 19696 public void setComponentEnabledSetting(ComponentName componentName, 19697 int newState, int flags, int userId) { 19698 if (!sUserManager.exists(userId)) return; 19699 setEnabledSetting(componentName.getPackageName(), 19700 componentName.getClassName(), newState, flags, userId, null); 19701 } 19702 19703 private void setEnabledSetting(final String packageName, String className, int newState, 19704 final int flags, int userId, String callingPackage) { 19705 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 19706 || newState == COMPONENT_ENABLED_STATE_ENABLED 19707 || newState == COMPONENT_ENABLED_STATE_DISABLED 19708 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19709 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 19710 throw new IllegalArgumentException("Invalid new component state: " 19711 + newState); 19712 } 19713 PackageSetting pkgSetting; 19714 final int uid = Binder.getCallingUid(); 19715 final int permission; 19716 if (uid == Process.SYSTEM_UID) { 19717 permission = PackageManager.PERMISSION_GRANTED; 19718 } else { 19719 permission = mContext.checkCallingOrSelfPermission( 19720 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19721 } 19722 enforceCrossUserPermission(uid, userId, 19723 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 19724 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19725 boolean sendNow = false; 19726 boolean isApp = (className == null); 19727 String componentName = isApp ? packageName : className; 19728 int packageUid = -1; 19729 ArrayList<String> components; 19730 19731 // writer 19732 synchronized (mPackages) { 19733 pkgSetting = mSettings.mPackages.get(packageName); 19734 if (pkgSetting == null) { 19735 if (className == null) { 19736 throw new IllegalArgumentException("Unknown package: " + packageName); 19737 } 19738 throw new IllegalArgumentException( 19739 "Unknown component: " + packageName + "/" + className); 19740 } 19741 } 19742 19743 // Limit who can change which apps 19744 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 19745 // Don't allow apps that don't have permission to modify other apps 19746 if (!allowedByPermission) { 19747 throw new SecurityException( 19748 "Permission Denial: attempt to change component state from pid=" 19749 + Binder.getCallingPid() 19750 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 19751 } 19752 // Don't allow changing protected packages. 19753 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 19754 throw new SecurityException("Cannot disable a protected package: " + packageName); 19755 } 19756 } 19757 19758 synchronized (mPackages) { 19759 if (uid == Process.SHELL_UID 19760 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 19761 // Shell can only change whole packages between ENABLED and DISABLED_USER states 19762 // unless it is a test package. 19763 int oldState = pkgSetting.getEnabled(userId); 19764 if (className == null 19765 && 19766 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 19767 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 19768 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 19769 && 19770 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19771 || newState == COMPONENT_ENABLED_STATE_DEFAULT 19772 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 19773 // ok 19774 } else { 19775 throw new SecurityException( 19776 "Shell cannot change component state for " + packageName + "/" 19777 + className + " to " + newState); 19778 } 19779 } 19780 if (className == null) { 19781 // We're dealing with an application/package level state change 19782 if (pkgSetting.getEnabled(userId) == newState) { 19783 // Nothing to do 19784 return; 19785 } 19786 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 19787 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 19788 // Don't care about who enables an app. 19789 callingPackage = null; 19790 } 19791 pkgSetting.setEnabled(newState, userId, callingPackage); 19792 // pkgSetting.pkg.mSetEnabled = newState; 19793 } else { 19794 // We're dealing with a component level state change 19795 // First, verify that this is a valid class name. 19796 PackageParser.Package pkg = pkgSetting.pkg; 19797 if (pkg == null || !pkg.hasComponentClassName(className)) { 19798 if (pkg != null && 19799 pkg.applicationInfo.targetSdkVersion >= 19800 Build.VERSION_CODES.JELLY_BEAN) { 19801 throw new IllegalArgumentException("Component class " + className 19802 + " does not exist in " + packageName); 19803 } else { 19804 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 19805 + className + " does not exist in " + packageName); 19806 } 19807 } 19808 switch (newState) { 19809 case COMPONENT_ENABLED_STATE_ENABLED: 19810 if (!pkgSetting.enableComponentLPw(className, userId)) { 19811 return; 19812 } 19813 break; 19814 case COMPONENT_ENABLED_STATE_DISABLED: 19815 if (!pkgSetting.disableComponentLPw(className, userId)) { 19816 return; 19817 } 19818 break; 19819 case COMPONENT_ENABLED_STATE_DEFAULT: 19820 if (!pkgSetting.restoreComponentLPw(className, userId)) { 19821 return; 19822 } 19823 break; 19824 default: 19825 Slog.e(TAG, "Invalid new component state: " + newState); 19826 return; 19827 } 19828 } 19829 scheduleWritePackageRestrictionsLocked(userId); 19830 updateSequenceNumberLP(packageName, new int[] { userId }); 19831 components = mPendingBroadcasts.get(userId, packageName); 19832 final boolean newPackage = components == null; 19833 if (newPackage) { 19834 components = new ArrayList<String>(); 19835 } 19836 if (!components.contains(componentName)) { 19837 components.add(componentName); 19838 } 19839 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 19840 sendNow = true; 19841 // Purge entry from pending broadcast list if another one exists already 19842 // since we are sending one right away. 19843 mPendingBroadcasts.remove(userId, packageName); 19844 } else { 19845 if (newPackage) { 19846 mPendingBroadcasts.put(userId, packageName, components); 19847 } 19848 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 19849 // Schedule a message 19850 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 19851 } 19852 } 19853 } 19854 19855 long callingId = Binder.clearCallingIdentity(); 19856 try { 19857 if (sendNow) { 19858 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 19859 sendPackageChangedBroadcast(packageName, 19860 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 19861 } 19862 } finally { 19863 Binder.restoreCallingIdentity(callingId); 19864 } 19865 } 19866 19867 @Override 19868 public void flushPackageRestrictionsAsUser(int userId) { 19869 if (!sUserManager.exists(userId)) { 19870 return; 19871 } 19872 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 19873 false /* checkShell */, "flushPackageRestrictions"); 19874 synchronized (mPackages) { 19875 mSettings.writePackageRestrictionsLPr(userId); 19876 mDirtyUsers.remove(userId); 19877 if (mDirtyUsers.isEmpty()) { 19878 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 19879 } 19880 } 19881 } 19882 19883 private void sendPackageChangedBroadcast(String packageName, 19884 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 19885 if (DEBUG_INSTALL) 19886 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 19887 + componentNames); 19888 Bundle extras = new Bundle(4); 19889 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 19890 String nameList[] = new String[componentNames.size()]; 19891 componentNames.toArray(nameList); 19892 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 19893 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 19894 extras.putInt(Intent.EXTRA_UID, packageUid); 19895 // If this is not reporting a change of the overall package, then only send it 19896 // to registered receivers. We don't want to launch a swath of apps for every 19897 // little component state change. 19898 final int flags = !componentNames.contains(packageName) 19899 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 19900 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 19901 new int[] {UserHandle.getUserId(packageUid)}); 19902 } 19903 19904 @Override 19905 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 19906 if (!sUserManager.exists(userId)) return; 19907 final int uid = Binder.getCallingUid(); 19908 final int permission = mContext.checkCallingOrSelfPermission( 19909 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19910 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19911 enforceCrossUserPermission(uid, userId, 19912 true /* requireFullPermission */, true /* checkShell */, "stop package"); 19913 // writer 19914 synchronized (mPackages) { 19915 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 19916 allowedByPermission, uid, userId)) { 19917 scheduleWritePackageRestrictionsLocked(userId); 19918 } 19919 } 19920 } 19921 19922 @Override 19923 public String getInstallerPackageName(String packageName) { 19924 // reader 19925 synchronized (mPackages) { 19926 return mSettings.getInstallerPackageNameLPr(packageName); 19927 } 19928 } 19929 19930 public boolean isOrphaned(String packageName) { 19931 // reader 19932 synchronized (mPackages) { 19933 return mSettings.isOrphaned(packageName); 19934 } 19935 } 19936 19937 @Override 19938 public int getApplicationEnabledSetting(String packageName, int userId) { 19939 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19940 int uid = Binder.getCallingUid(); 19941 enforceCrossUserPermission(uid, userId, 19942 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 19943 // reader 19944 synchronized (mPackages) { 19945 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 19946 } 19947 } 19948 19949 @Override 19950 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 19951 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19952 int uid = Binder.getCallingUid(); 19953 enforceCrossUserPermission(uid, userId, 19954 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 19955 // reader 19956 synchronized (mPackages) { 19957 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 19958 } 19959 } 19960 19961 @Override 19962 public void enterSafeMode() { 19963 enforceSystemOrRoot("Only the system can request entering safe mode"); 19964 19965 if (!mSystemReady) { 19966 mSafeMode = true; 19967 } 19968 } 19969 19970 @Override 19971 public void systemReady() { 19972 mSystemReady = true; 19973 19974 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 19975 // disabled after already being started. 19976 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 19977 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 19978 19979 // Read the compatibilty setting when the system is ready. 19980 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 19981 mContext.getContentResolver(), 19982 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 19983 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 19984 if (DEBUG_SETTINGS) { 19985 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 19986 } 19987 19988 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 19989 19990 synchronized (mPackages) { 19991 // Verify that all of the preferred activity components actually 19992 // exist. It is possible for applications to be updated and at 19993 // that point remove a previously declared activity component that 19994 // had been set as a preferred activity. We try to clean this up 19995 // the next time we encounter that preferred activity, but it is 19996 // possible for the user flow to never be able to return to that 19997 // situation so here we do a sanity check to make sure we haven't 19998 // left any junk around. 19999 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 20000 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20001 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20002 removed.clear(); 20003 for (PreferredActivity pa : pir.filterSet()) { 20004 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 20005 removed.add(pa); 20006 } 20007 } 20008 if (removed.size() > 0) { 20009 for (int r=0; r<removed.size(); r++) { 20010 PreferredActivity pa = removed.get(r); 20011 Slog.w(TAG, "Removing dangling preferred activity: " 20012 + pa.mPref.mComponent); 20013 pir.removeFilter(pa); 20014 } 20015 mSettings.writePackageRestrictionsLPr( 20016 mSettings.mPreferredActivities.keyAt(i)); 20017 } 20018 } 20019 20020 for (int userId : UserManagerService.getInstance().getUserIds()) { 20021 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20022 grantPermissionsUserIds = ArrayUtils.appendInt( 20023 grantPermissionsUserIds, userId); 20024 } 20025 } 20026 } 20027 sUserManager.systemReady(); 20028 20029 // If we upgraded grant all default permissions before kicking off. 20030 for (int userId : grantPermissionsUserIds) { 20031 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20032 } 20033 20034 // If we did not grant default permissions, we preload from this the 20035 // default permission exceptions lazily to ensure we don't hit the 20036 // disk on a new user creation. 20037 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 20038 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 20039 } 20040 20041 // Kick off any messages waiting for system ready 20042 if (mPostSystemReadyMessages != null) { 20043 for (Message msg : mPostSystemReadyMessages) { 20044 msg.sendToTarget(); 20045 } 20046 mPostSystemReadyMessages = null; 20047 } 20048 20049 // Watch for external volumes that come and go over time 20050 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20051 storage.registerListener(mStorageListener); 20052 20053 mInstallerService.systemReady(); 20054 mPackageDexOptimizer.systemReady(); 20055 20056 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 20057 StorageManagerInternal.class); 20058 StorageManagerInternal.addExternalStoragePolicy( 20059 new StorageManagerInternal.ExternalStorageMountPolicy() { 20060 @Override 20061 public int getMountMode(int uid, String packageName) { 20062 if (Process.isIsolated(uid)) { 20063 return Zygote.MOUNT_EXTERNAL_NONE; 20064 } 20065 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 20066 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20067 } 20068 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20069 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20070 } 20071 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20072 return Zygote.MOUNT_EXTERNAL_READ; 20073 } 20074 return Zygote.MOUNT_EXTERNAL_WRITE; 20075 } 20076 20077 @Override 20078 public boolean hasExternalStorage(int uid, String packageName) { 20079 return true; 20080 } 20081 }); 20082 20083 // Now that we're mostly running, clean up stale users and apps 20084 sUserManager.reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 20085 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 20086 20087 if (mPrivappPermissionsViolations != null) { 20088 Slog.wtf(TAG,"Signature|privileged permissions not in " 20089 + "privapp-permissions whitelist: " + mPrivappPermissionsViolations); 20090 mPrivappPermissionsViolations = null; 20091 } 20092 } 20093 20094 public void waitForAppDataPrepared() { 20095 if (mPrepareAppDataFuture == null) { 20096 return; 20097 } 20098 ConcurrentUtils.waitForFutureNoInterrupt(mPrepareAppDataFuture, "wait for prepareAppData"); 20099 mPrepareAppDataFuture = null; 20100 } 20101 20102 @Override 20103 public boolean isSafeMode() { 20104 return mSafeMode; 20105 } 20106 20107 @Override 20108 public boolean hasSystemUidErrors() { 20109 return mHasSystemUidErrors; 20110 } 20111 20112 static String arrayToString(int[] array) { 20113 StringBuffer buf = new StringBuffer(128); 20114 buf.append('['); 20115 if (array != null) { 20116 for (int i=0; i<array.length; i++) { 20117 if (i > 0) buf.append(", "); 20118 buf.append(array[i]); 20119 } 20120 } 20121 buf.append(']'); 20122 return buf.toString(); 20123 } 20124 20125 static class DumpState { 20126 public static final int DUMP_LIBS = 1 << 0; 20127 public static final int DUMP_FEATURES = 1 << 1; 20128 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 20129 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 20130 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 20131 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 20132 public static final int DUMP_PERMISSIONS = 1 << 6; 20133 public static final int DUMP_PACKAGES = 1 << 7; 20134 public static final int DUMP_SHARED_USERS = 1 << 8; 20135 public static final int DUMP_MESSAGES = 1 << 9; 20136 public static final int DUMP_PROVIDERS = 1 << 10; 20137 public static final int DUMP_VERIFIERS = 1 << 11; 20138 public static final int DUMP_PREFERRED = 1 << 12; 20139 public static final int DUMP_PREFERRED_XML = 1 << 13; 20140 public static final int DUMP_KEYSETS = 1 << 14; 20141 public static final int DUMP_VERSION = 1 << 15; 20142 public static final int DUMP_INSTALLS = 1 << 16; 20143 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 20144 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 20145 public static final int DUMP_FROZEN = 1 << 19; 20146 public static final int DUMP_DEXOPT = 1 << 20; 20147 public static final int DUMP_COMPILER_STATS = 1 << 21; 20148 public static final int DUMP_ENABLED_OVERLAYS = 1 << 22; 20149 20150 public static final int OPTION_SHOW_FILTERS = 1 << 0; 20151 20152 private int mTypes; 20153 20154 private int mOptions; 20155 20156 private boolean mTitlePrinted; 20157 20158 private SharedUserSetting mSharedUser; 20159 20160 public boolean isDumping(int type) { 20161 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 20162 return true; 20163 } 20164 20165 return (mTypes & type) != 0; 20166 } 20167 20168 public void setDump(int type) { 20169 mTypes |= type; 20170 } 20171 20172 public boolean isOptionEnabled(int option) { 20173 return (mOptions & option) != 0; 20174 } 20175 20176 public void setOptionEnabled(int option) { 20177 mOptions |= option; 20178 } 20179 20180 public boolean onTitlePrinted() { 20181 final boolean printed = mTitlePrinted; 20182 mTitlePrinted = true; 20183 return printed; 20184 } 20185 20186 public boolean getTitlePrinted() { 20187 return mTitlePrinted; 20188 } 20189 20190 public void setTitlePrinted(boolean enabled) { 20191 mTitlePrinted = enabled; 20192 } 20193 20194 public SharedUserSetting getSharedUser() { 20195 return mSharedUser; 20196 } 20197 20198 public void setSharedUser(SharedUserSetting user) { 20199 mSharedUser = user; 20200 } 20201 } 20202 20203 @Override 20204 public void onShellCommand(FileDescriptor in, FileDescriptor out, 20205 FileDescriptor err, String[] args, ShellCallback callback, 20206 ResultReceiver resultReceiver) { 20207 (new PackageManagerShellCommand(this)).exec( 20208 this, in, out, err, args, callback, resultReceiver); 20209 } 20210 20211 @Override 20212 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 20213 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 20214 != PackageManager.PERMISSION_GRANTED) { 20215 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 20216 + Binder.getCallingPid() 20217 + ", uid=" + Binder.getCallingUid() 20218 + " without permission " 20219 + android.Manifest.permission.DUMP); 20220 return; 20221 } 20222 20223 DumpState dumpState = new DumpState(); 20224 boolean fullPreferred = false; 20225 boolean checkin = false; 20226 20227 String packageName = null; 20228 ArraySet<String> permissionNames = null; 20229 20230 int opti = 0; 20231 while (opti < args.length) { 20232 String opt = args[opti]; 20233 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 20234 break; 20235 } 20236 opti++; 20237 20238 if ("-a".equals(opt)) { 20239 // Right now we only know how to print all. 20240 } else if ("-h".equals(opt)) { 20241 pw.println("Package manager dump options:"); 20242 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 20243 pw.println(" --checkin: dump for a checkin"); 20244 pw.println(" -f: print details of intent filters"); 20245 pw.println(" -h: print this help"); 20246 pw.println(" cmd may be one of:"); 20247 pw.println(" l[ibraries]: list known shared libraries"); 20248 pw.println(" f[eatures]: list device features"); 20249 pw.println(" k[eysets]: print known keysets"); 20250 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 20251 pw.println(" perm[issions]: dump permissions"); 20252 pw.println(" permission [name ...]: dump declaration and use of given permission"); 20253 pw.println(" pref[erred]: print preferred package settings"); 20254 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 20255 pw.println(" prov[iders]: dump content providers"); 20256 pw.println(" p[ackages]: dump installed packages"); 20257 pw.println(" s[hared-users]: dump shared user IDs"); 20258 pw.println(" m[essages]: print collected runtime messages"); 20259 pw.println(" v[erifiers]: print package verifier info"); 20260 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 20261 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 20262 pw.println(" version: print database version info"); 20263 pw.println(" write: write current settings now"); 20264 pw.println(" installs: details about install sessions"); 20265 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 20266 pw.println(" dexopt: dump dexopt state"); 20267 pw.println(" compiler-stats: dump compiler statistics"); 20268 pw.println(" enabled-overlays: dump list of enabled overlay packages"); 20269 pw.println(" <package.name>: info about given package"); 20270 return; 20271 } else if ("--checkin".equals(opt)) { 20272 checkin = true; 20273 } else if ("-f".equals(opt)) { 20274 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20275 } else if ("--proto".equals(opt)) { 20276 dumpProto(fd); 20277 return; 20278 } else { 20279 pw.println("Unknown argument: " + opt + "; use -h for help"); 20280 } 20281 } 20282 20283 // Is the caller requesting to dump a particular piece of data? 20284 if (opti < args.length) { 20285 String cmd = args[opti]; 20286 opti++; 20287 // Is this a package name? 20288 if ("android".equals(cmd) || cmd.contains(".")) { 20289 packageName = cmd; 20290 // When dumping a single package, we always dump all of its 20291 // filter information since the amount of data will be reasonable. 20292 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20293 } else if ("check-permission".equals(cmd)) { 20294 if (opti >= args.length) { 20295 pw.println("Error: check-permission missing permission argument"); 20296 return; 20297 } 20298 String perm = args[opti]; 20299 opti++; 20300 if (opti >= args.length) { 20301 pw.println("Error: check-permission missing package argument"); 20302 return; 20303 } 20304 20305 String pkg = args[opti]; 20306 opti++; 20307 int user = UserHandle.getUserId(Binder.getCallingUid()); 20308 if (opti < args.length) { 20309 try { 20310 user = Integer.parseInt(args[opti]); 20311 } catch (NumberFormatException e) { 20312 pw.println("Error: check-permission user argument is not a number: " 20313 + args[opti]); 20314 return; 20315 } 20316 } 20317 20318 // Normalize package name to handle renamed packages and static libs 20319 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 20320 20321 pw.println(checkPermission(perm, pkg, user)); 20322 return; 20323 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 20324 dumpState.setDump(DumpState.DUMP_LIBS); 20325 } else if ("f".equals(cmd) || "features".equals(cmd)) { 20326 dumpState.setDump(DumpState.DUMP_FEATURES); 20327 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 20328 if (opti >= args.length) { 20329 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 20330 | DumpState.DUMP_SERVICE_RESOLVERS 20331 | DumpState.DUMP_RECEIVER_RESOLVERS 20332 | DumpState.DUMP_CONTENT_RESOLVERS); 20333 } else { 20334 while (opti < args.length) { 20335 String name = args[opti]; 20336 if ("a".equals(name) || "activity".equals(name)) { 20337 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 20338 } else if ("s".equals(name) || "service".equals(name)) { 20339 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 20340 } else if ("r".equals(name) || "receiver".equals(name)) { 20341 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 20342 } else if ("c".equals(name) || "content".equals(name)) { 20343 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 20344 } else { 20345 pw.println("Error: unknown resolver table type: " + name); 20346 return; 20347 } 20348 opti++; 20349 } 20350 } 20351 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 20352 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 20353 } else if ("permission".equals(cmd)) { 20354 if (opti >= args.length) { 20355 pw.println("Error: permission requires permission name"); 20356 return; 20357 } 20358 permissionNames = new ArraySet<>(); 20359 while (opti < args.length) { 20360 permissionNames.add(args[opti]); 20361 opti++; 20362 } 20363 dumpState.setDump(DumpState.DUMP_PERMISSIONS 20364 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 20365 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 20366 dumpState.setDump(DumpState.DUMP_PREFERRED); 20367 } else if ("preferred-xml".equals(cmd)) { 20368 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 20369 if (opti < args.length && "--full".equals(args[opti])) { 20370 fullPreferred = true; 20371 opti++; 20372 } 20373 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 20374 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 20375 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 20376 dumpState.setDump(DumpState.DUMP_PACKAGES); 20377 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 20378 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 20379 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 20380 dumpState.setDump(DumpState.DUMP_PROVIDERS); 20381 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 20382 dumpState.setDump(DumpState.DUMP_MESSAGES); 20383 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 20384 dumpState.setDump(DumpState.DUMP_VERIFIERS); 20385 } else if ("i".equals(cmd) || "ifv".equals(cmd) 20386 || "intent-filter-verifiers".equals(cmd)) { 20387 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 20388 } else if ("version".equals(cmd)) { 20389 dumpState.setDump(DumpState.DUMP_VERSION); 20390 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 20391 dumpState.setDump(DumpState.DUMP_KEYSETS); 20392 } else if ("installs".equals(cmd)) { 20393 dumpState.setDump(DumpState.DUMP_INSTALLS); 20394 } else if ("frozen".equals(cmd)) { 20395 dumpState.setDump(DumpState.DUMP_FROZEN); 20396 } else if ("dexopt".equals(cmd)) { 20397 dumpState.setDump(DumpState.DUMP_DEXOPT); 20398 } else if ("compiler-stats".equals(cmd)) { 20399 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 20400 } else if ("enabled-overlays".equals(cmd)) { 20401 dumpState.setDump(DumpState.DUMP_ENABLED_OVERLAYS); 20402 } else if ("write".equals(cmd)) { 20403 synchronized (mPackages) { 20404 mSettings.writeLPr(); 20405 pw.println("Settings written."); 20406 return; 20407 } 20408 } 20409 } 20410 20411 if (checkin) { 20412 pw.println("vers,1"); 20413 } 20414 20415 // reader 20416 synchronized (mPackages) { 20417 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 20418 if (!checkin) { 20419 if (dumpState.onTitlePrinted()) 20420 pw.println(); 20421 pw.println("Database versions:"); 20422 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 20423 } 20424 } 20425 20426 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 20427 if (!checkin) { 20428 if (dumpState.onTitlePrinted()) 20429 pw.println(); 20430 pw.println("Verifiers:"); 20431 pw.print(" Required: "); 20432 pw.print(mRequiredVerifierPackage); 20433 pw.print(" (uid="); 20434 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20435 UserHandle.USER_SYSTEM)); 20436 pw.println(")"); 20437 } else if (mRequiredVerifierPackage != null) { 20438 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 20439 pw.print(","); 20440 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20441 UserHandle.USER_SYSTEM)); 20442 } 20443 } 20444 20445 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 20446 packageName == null) { 20447 if (mIntentFilterVerifierComponent != null) { 20448 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20449 if (!checkin) { 20450 if (dumpState.onTitlePrinted()) 20451 pw.println(); 20452 pw.println("Intent Filter Verifier:"); 20453 pw.print(" Using: "); 20454 pw.print(verifierPackageName); 20455 pw.print(" (uid="); 20456 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20457 UserHandle.USER_SYSTEM)); 20458 pw.println(")"); 20459 } else if (verifierPackageName != null) { 20460 pw.print("ifv,"); pw.print(verifierPackageName); 20461 pw.print(","); 20462 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20463 UserHandle.USER_SYSTEM)); 20464 } 20465 } else { 20466 pw.println(); 20467 pw.println("No Intent Filter Verifier available!"); 20468 } 20469 } 20470 20471 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 20472 boolean printedHeader = false; 20473 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 20474 while (it.hasNext()) { 20475 String libName = it.next(); 20476 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20477 if (versionedLib == null) { 20478 continue; 20479 } 20480 final int versionCount = versionedLib.size(); 20481 for (int i = 0; i < versionCount; i++) { 20482 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 20483 if (!checkin) { 20484 if (!printedHeader) { 20485 if (dumpState.onTitlePrinted()) 20486 pw.println(); 20487 pw.println("Libraries:"); 20488 printedHeader = true; 20489 } 20490 pw.print(" "); 20491 } else { 20492 pw.print("lib,"); 20493 } 20494 pw.print(libEntry.info.getName()); 20495 if (libEntry.info.isStatic()) { 20496 pw.print(" version=" + libEntry.info.getVersion()); 20497 } 20498 if (!checkin) { 20499 pw.print(" -> "); 20500 } 20501 if (libEntry.path != null) { 20502 pw.print(" (jar) "); 20503 pw.print(libEntry.path); 20504 } else { 20505 pw.print(" (apk) "); 20506 pw.print(libEntry.apk); 20507 } 20508 pw.println(); 20509 } 20510 } 20511 } 20512 20513 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 20514 if (dumpState.onTitlePrinted()) 20515 pw.println(); 20516 if (!checkin) { 20517 pw.println("Features:"); 20518 } 20519 20520 synchronized (mAvailableFeatures) { 20521 for (FeatureInfo feat : mAvailableFeatures.values()) { 20522 if (checkin) { 20523 pw.print("feat,"); 20524 pw.print(feat.name); 20525 pw.print(","); 20526 pw.println(feat.version); 20527 } else { 20528 pw.print(" "); 20529 pw.print(feat.name); 20530 if (feat.version > 0) { 20531 pw.print(" version="); 20532 pw.print(feat.version); 20533 } 20534 pw.println(); 20535 } 20536 } 20537 } 20538 } 20539 20540 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 20541 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 20542 : "Activity Resolver Table:", " ", packageName, 20543 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20544 dumpState.setTitlePrinted(true); 20545 } 20546 } 20547 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 20548 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 20549 : "Receiver Resolver Table:", " ", packageName, 20550 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20551 dumpState.setTitlePrinted(true); 20552 } 20553 } 20554 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 20555 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 20556 : "Service Resolver Table:", " ", packageName, 20557 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20558 dumpState.setTitlePrinted(true); 20559 } 20560 } 20561 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 20562 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 20563 : "Provider Resolver Table:", " ", packageName, 20564 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20565 dumpState.setTitlePrinted(true); 20566 } 20567 } 20568 20569 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 20570 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20571 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20572 int user = mSettings.mPreferredActivities.keyAt(i); 20573 if (pir.dump(pw, 20574 dumpState.getTitlePrinted() 20575 ? "\nPreferred Activities User " + user + ":" 20576 : "Preferred Activities User " + user + ":", " ", 20577 packageName, true, false)) { 20578 dumpState.setTitlePrinted(true); 20579 } 20580 } 20581 } 20582 20583 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 20584 pw.flush(); 20585 FileOutputStream fout = new FileOutputStream(fd); 20586 BufferedOutputStream str = new BufferedOutputStream(fout); 20587 XmlSerializer serializer = new FastXmlSerializer(); 20588 try { 20589 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 20590 serializer.startDocument(null, true); 20591 serializer.setFeature( 20592 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 20593 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 20594 serializer.endDocument(); 20595 serializer.flush(); 20596 } catch (IllegalArgumentException e) { 20597 pw.println("Failed writing: " + e); 20598 } catch (IllegalStateException e) { 20599 pw.println("Failed writing: " + e); 20600 } catch (IOException e) { 20601 pw.println("Failed writing: " + e); 20602 } 20603 } 20604 20605 if (!checkin 20606 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 20607 && packageName == null) { 20608 pw.println(); 20609 int count = mSettings.mPackages.size(); 20610 if (count == 0) { 20611 pw.println("No applications!"); 20612 pw.println(); 20613 } else { 20614 final String prefix = " "; 20615 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 20616 if (allPackageSettings.size() == 0) { 20617 pw.println("No domain preferred apps!"); 20618 pw.println(); 20619 } else { 20620 pw.println("App verification status:"); 20621 pw.println(); 20622 count = 0; 20623 for (PackageSetting ps : allPackageSettings) { 20624 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 20625 if (ivi == null || ivi.getPackageName() == null) continue; 20626 pw.println(prefix + "Package: " + ivi.getPackageName()); 20627 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 20628 pw.println(prefix + "Status: " + ivi.getStatusString()); 20629 pw.println(); 20630 count++; 20631 } 20632 if (count == 0) { 20633 pw.println(prefix + "No app verification established."); 20634 pw.println(); 20635 } 20636 for (int userId : sUserManager.getUserIds()) { 20637 pw.println("App linkages for user " + userId + ":"); 20638 pw.println(); 20639 count = 0; 20640 for (PackageSetting ps : allPackageSettings) { 20641 final long status = ps.getDomainVerificationStatusForUser(userId); 20642 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 20643 && !DEBUG_DOMAIN_VERIFICATION) { 20644 continue; 20645 } 20646 pw.println(prefix + "Package: " + ps.name); 20647 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 20648 String statusStr = IntentFilterVerificationInfo. 20649 getStatusStringFromValue(status); 20650 pw.println(prefix + "Status: " + statusStr); 20651 pw.println(); 20652 count++; 20653 } 20654 if (count == 0) { 20655 pw.println(prefix + "No configured app linkages."); 20656 pw.println(); 20657 } 20658 } 20659 } 20660 } 20661 } 20662 20663 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 20664 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 20665 if (packageName == null && permissionNames == null) { 20666 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 20667 if (iperm == 0) { 20668 if (dumpState.onTitlePrinted()) 20669 pw.println(); 20670 pw.println("AppOp Permissions:"); 20671 } 20672 pw.print(" AppOp Permission "); 20673 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 20674 pw.println(":"); 20675 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 20676 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 20677 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 20678 } 20679 } 20680 } 20681 } 20682 20683 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 20684 boolean printedSomething = false; 20685 for (PackageParser.Provider p : mProviders.mProviders.values()) { 20686 if (packageName != null && !packageName.equals(p.info.packageName)) { 20687 continue; 20688 } 20689 if (!printedSomething) { 20690 if (dumpState.onTitlePrinted()) 20691 pw.println(); 20692 pw.println("Registered ContentProviders:"); 20693 printedSomething = true; 20694 } 20695 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 20696 pw.print(" "); pw.println(p.toString()); 20697 } 20698 printedSomething = false; 20699 for (Map.Entry<String, PackageParser.Provider> entry : 20700 mProvidersByAuthority.entrySet()) { 20701 PackageParser.Provider p = entry.getValue(); 20702 if (packageName != null && !packageName.equals(p.info.packageName)) { 20703 continue; 20704 } 20705 if (!printedSomething) { 20706 if (dumpState.onTitlePrinted()) 20707 pw.println(); 20708 pw.println("ContentProvider Authorities:"); 20709 printedSomething = true; 20710 } 20711 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 20712 pw.print(" "); pw.println(p.toString()); 20713 if (p.info != null && p.info.applicationInfo != null) { 20714 final String appInfo = p.info.applicationInfo.toString(); 20715 pw.print(" applicationInfo="); pw.println(appInfo); 20716 } 20717 } 20718 } 20719 20720 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 20721 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 20722 } 20723 20724 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 20725 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 20726 } 20727 20728 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 20729 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 20730 } 20731 20732 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 20733 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 20734 } 20735 20736 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 20737 // XXX should handle packageName != null by dumping only install data that 20738 // the given package is involved with. 20739 if (dumpState.onTitlePrinted()) pw.println(); 20740 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 20741 } 20742 20743 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 20744 // XXX should handle packageName != null by dumping only install data that 20745 // the given package is involved with. 20746 if (dumpState.onTitlePrinted()) pw.println(); 20747 20748 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20749 ipw.println(); 20750 ipw.println("Frozen packages:"); 20751 ipw.increaseIndent(); 20752 if (mFrozenPackages.size() == 0) { 20753 ipw.println("(none)"); 20754 } else { 20755 for (int i = 0; i < mFrozenPackages.size(); i++) { 20756 ipw.println(mFrozenPackages.valueAt(i)); 20757 } 20758 } 20759 ipw.decreaseIndent(); 20760 } 20761 20762 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 20763 if (dumpState.onTitlePrinted()) pw.println(); 20764 dumpDexoptStateLPr(pw, packageName); 20765 } 20766 20767 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 20768 if (dumpState.onTitlePrinted()) pw.println(); 20769 dumpCompilerStatsLPr(pw, packageName); 20770 } 20771 20772 if (!checkin && dumpState.isDumping(DumpState.DUMP_ENABLED_OVERLAYS)) { 20773 if (dumpState.onTitlePrinted()) pw.println(); 20774 dumpEnabledOverlaysLPr(pw); 20775 } 20776 20777 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 20778 if (dumpState.onTitlePrinted()) pw.println(); 20779 mSettings.dumpReadMessagesLPr(pw, dumpState); 20780 20781 pw.println(); 20782 pw.println("Package warning messages:"); 20783 BufferedReader in = null; 20784 String line = null; 20785 try { 20786 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20787 while ((line = in.readLine()) != null) { 20788 if (line.contains("ignored: updated version")) continue; 20789 pw.println(line); 20790 } 20791 } catch (IOException ignored) { 20792 } finally { 20793 IoUtils.closeQuietly(in); 20794 } 20795 } 20796 20797 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 20798 BufferedReader in = null; 20799 String line = null; 20800 try { 20801 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20802 while ((line = in.readLine()) != null) { 20803 if (line.contains("ignored: updated version")) continue; 20804 pw.print("msg,"); 20805 pw.println(line); 20806 } 20807 } catch (IOException ignored) { 20808 } finally { 20809 IoUtils.closeQuietly(in); 20810 } 20811 } 20812 } 20813 } 20814 20815 private void dumpProto(FileDescriptor fd) { 20816 final ProtoOutputStream proto = new ProtoOutputStream(fd); 20817 20818 synchronized (mPackages) { 20819 final long requiredVerifierPackageToken = 20820 proto.start(PackageServiceDumpProto.REQUIRED_VERIFIER_PACKAGE); 20821 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, mRequiredVerifierPackage); 20822 proto.write( 20823 PackageServiceDumpProto.PackageShortProto.UID, 20824 getPackageUid( 20825 mRequiredVerifierPackage, 20826 MATCH_DEBUG_TRIAGED_MISSING, 20827 UserHandle.USER_SYSTEM)); 20828 proto.end(requiredVerifierPackageToken); 20829 20830 if (mIntentFilterVerifierComponent != null) { 20831 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20832 final long verifierPackageToken = 20833 proto.start(PackageServiceDumpProto.VERIFIER_PACKAGE); 20834 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, verifierPackageName); 20835 proto.write( 20836 PackageServiceDumpProto.PackageShortProto.UID, 20837 getPackageUid( 20838 verifierPackageName, 20839 MATCH_DEBUG_TRIAGED_MISSING, 20840 UserHandle.USER_SYSTEM)); 20841 proto.end(verifierPackageToken); 20842 } 20843 20844 dumpSharedLibrariesProto(proto); 20845 dumpFeaturesProto(proto); 20846 mSettings.dumpPackagesProto(proto); 20847 mSettings.dumpSharedUsersProto(proto); 20848 dumpMessagesProto(proto); 20849 } 20850 proto.flush(); 20851 } 20852 20853 private void dumpMessagesProto(ProtoOutputStream proto) { 20854 BufferedReader in = null; 20855 String line = null; 20856 try { 20857 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20858 while ((line = in.readLine()) != null) { 20859 if (line.contains("ignored: updated version")) continue; 20860 proto.write(PackageServiceDumpProto.MESSAGES, line); 20861 } 20862 } catch (IOException ignored) { 20863 } finally { 20864 IoUtils.closeQuietly(in); 20865 } 20866 } 20867 20868 private void dumpFeaturesProto(ProtoOutputStream proto) { 20869 synchronized (mAvailableFeatures) { 20870 final int count = mAvailableFeatures.size(); 20871 for (int i = 0; i < count; i++) { 20872 final FeatureInfo feat = mAvailableFeatures.valueAt(i); 20873 final long featureToken = proto.start(PackageServiceDumpProto.FEATURES); 20874 proto.write(PackageServiceDumpProto.FeatureProto.NAME, feat.name); 20875 proto.write(PackageServiceDumpProto.FeatureProto.VERSION, feat.version); 20876 proto.end(featureToken); 20877 } 20878 } 20879 } 20880 20881 private void dumpSharedLibrariesProto(ProtoOutputStream proto) { 20882 final int count = mSharedLibraries.size(); 20883 for (int i = 0; i < count; i++) { 20884 final String libName = mSharedLibraries.keyAt(i); 20885 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20886 if (versionedLib == null) { 20887 continue; 20888 } 20889 final int versionCount = versionedLib.size(); 20890 for (int j = 0; j < versionCount; j++) { 20891 final SharedLibraryEntry libEntry = versionedLib.valueAt(j); 20892 final long sharedLibraryToken = 20893 proto.start(PackageServiceDumpProto.SHARED_LIBRARIES); 20894 proto.write(PackageServiceDumpProto.SharedLibraryProto.NAME, libEntry.info.getName()); 20895 final boolean isJar = (libEntry.path != null); 20896 proto.write(PackageServiceDumpProto.SharedLibraryProto.IS_JAR, isJar); 20897 if (isJar) { 20898 proto.write(PackageServiceDumpProto.SharedLibraryProto.PATH, libEntry.path); 20899 } else { 20900 proto.write(PackageServiceDumpProto.SharedLibraryProto.APK, libEntry.apk); 20901 } 20902 proto.end(sharedLibraryToken); 20903 } 20904 } 20905 } 20906 20907 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 20908 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20909 ipw.println(); 20910 ipw.println("Dexopt state:"); 20911 ipw.increaseIndent(); 20912 Collection<PackageParser.Package> packages = null; 20913 if (packageName != null) { 20914 PackageParser.Package targetPackage = mPackages.get(packageName); 20915 if (targetPackage != null) { 20916 packages = Collections.singletonList(targetPackage); 20917 } else { 20918 ipw.println("Unable to find package: " + packageName); 20919 return; 20920 } 20921 } else { 20922 packages = mPackages.values(); 20923 } 20924 20925 for (PackageParser.Package pkg : packages) { 20926 ipw.println("[" + pkg.packageName + "]"); 20927 ipw.increaseIndent(); 20928 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 20929 ipw.decreaseIndent(); 20930 } 20931 } 20932 20933 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 20934 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20935 ipw.println(); 20936 ipw.println("Compiler stats:"); 20937 ipw.increaseIndent(); 20938 Collection<PackageParser.Package> packages = null; 20939 if (packageName != null) { 20940 PackageParser.Package targetPackage = mPackages.get(packageName); 20941 if (targetPackage != null) { 20942 packages = Collections.singletonList(targetPackage); 20943 } else { 20944 ipw.println("Unable to find package: " + packageName); 20945 return; 20946 } 20947 } else { 20948 packages = mPackages.values(); 20949 } 20950 20951 for (PackageParser.Package pkg : packages) { 20952 ipw.println("[" + pkg.packageName + "]"); 20953 ipw.increaseIndent(); 20954 20955 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 20956 if (stats == null) { 20957 ipw.println("(No recorded stats)"); 20958 } else { 20959 stats.dump(ipw); 20960 } 20961 ipw.decreaseIndent(); 20962 } 20963 } 20964 20965 private void dumpEnabledOverlaysLPr(PrintWriter pw) { 20966 pw.println("Enabled overlay paths:"); 20967 final int N = mEnabledOverlayPaths.size(); 20968 for (int i = 0; i < N; i++) { 20969 final int userId = mEnabledOverlayPaths.keyAt(i); 20970 pw.println(String.format(" User %d:", userId)); 20971 final ArrayMap<String, ArrayList<String>> userSpecificOverlays = 20972 mEnabledOverlayPaths.valueAt(i); 20973 final int M = userSpecificOverlays.size(); 20974 for (int j = 0; j < M; j++) { 20975 final String targetPackageName = userSpecificOverlays.keyAt(j); 20976 final ArrayList<String> overlayPackagePaths = userSpecificOverlays.valueAt(j); 20977 pw.println(String.format(" %s: %s", targetPackageName, overlayPackagePaths)); 20978 } 20979 } 20980 } 20981 20982 private String dumpDomainString(String packageName) { 20983 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 20984 .getList(); 20985 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 20986 20987 ArraySet<String> result = new ArraySet<>(); 20988 if (iviList.size() > 0) { 20989 for (IntentFilterVerificationInfo ivi : iviList) { 20990 for (String host : ivi.getDomains()) { 20991 result.add(host); 20992 } 20993 } 20994 } 20995 if (filters != null && filters.size() > 0) { 20996 for (IntentFilter filter : filters) { 20997 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 20998 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 20999 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 21000 result.addAll(filter.getHostsList()); 21001 } 21002 } 21003 } 21004 21005 StringBuilder sb = new StringBuilder(result.size() * 16); 21006 for (String domain : result) { 21007 if (sb.length() > 0) sb.append(" "); 21008 sb.append(domain); 21009 } 21010 return sb.toString(); 21011 } 21012 21013 // ------- apps on sdcard specific code ------- 21014 static final boolean DEBUG_SD_INSTALL = false; 21015 21016 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 21017 21018 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 21019 21020 private boolean mMediaMounted = false; 21021 21022 static String getEncryptKey() { 21023 try { 21024 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 21025 SD_ENCRYPTION_KEYSTORE_NAME); 21026 if (sdEncKey == null) { 21027 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 21028 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 21029 if (sdEncKey == null) { 21030 Slog.e(TAG, "Failed to create encryption keys"); 21031 return null; 21032 } 21033 } 21034 return sdEncKey; 21035 } catch (NoSuchAlgorithmException nsae) { 21036 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 21037 return null; 21038 } catch (IOException ioe) { 21039 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 21040 return null; 21041 } 21042 } 21043 21044 /* 21045 * Update media status on PackageManager. 21046 */ 21047 @Override 21048 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 21049 int callingUid = Binder.getCallingUid(); 21050 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 21051 throw new SecurityException("Media status can only be updated by the system"); 21052 } 21053 // reader; this apparently protects mMediaMounted, but should probably 21054 // be a different lock in that case. 21055 synchronized (mPackages) { 21056 Log.i(TAG, "Updating external media status from " 21057 + (mMediaMounted ? "mounted" : "unmounted") + " to " 21058 + (mediaStatus ? "mounted" : "unmounted")); 21059 if (DEBUG_SD_INSTALL) 21060 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 21061 + ", mMediaMounted=" + mMediaMounted); 21062 if (mediaStatus == mMediaMounted) { 21063 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 21064 : 0, -1); 21065 mHandler.sendMessage(msg); 21066 return; 21067 } 21068 mMediaMounted = mediaStatus; 21069 } 21070 // Queue up an async operation since the package installation may take a 21071 // little while. 21072 mHandler.post(new Runnable() { 21073 public void run() { 21074 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 21075 } 21076 }); 21077 } 21078 21079 /** 21080 * Called by StorageManagerService when the initial ASECs to scan are available. 21081 * Should block until all the ASEC containers are finished being scanned. 21082 */ 21083 public void scanAvailableAsecs() { 21084 updateExternalMediaStatusInner(true, false, false); 21085 } 21086 21087 /* 21088 * Collect information of applications on external media, map them against 21089 * existing containers and update information based on current mount status. 21090 * Please note that we always have to report status if reportStatus has been 21091 * set to true especially when unloading packages. 21092 */ 21093 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 21094 boolean externalStorage) { 21095 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 21096 int[] uidArr = EmptyArray.INT; 21097 21098 final String[] list = PackageHelper.getSecureContainerList(); 21099 if (ArrayUtils.isEmpty(list)) { 21100 Log.i(TAG, "No secure containers found"); 21101 } else { 21102 // Process list of secure containers and categorize them 21103 // as active or stale based on their package internal state. 21104 21105 // reader 21106 synchronized (mPackages) { 21107 for (String cid : list) { 21108 // Leave stages untouched for now; installer service owns them 21109 if (PackageInstallerService.isStageName(cid)) continue; 21110 21111 if (DEBUG_SD_INSTALL) 21112 Log.i(TAG, "Processing container " + cid); 21113 String pkgName = getAsecPackageName(cid); 21114 if (pkgName == null) { 21115 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 21116 continue; 21117 } 21118 if (DEBUG_SD_INSTALL) 21119 Log.i(TAG, "Looking for pkg : " + pkgName); 21120 21121 final PackageSetting ps = mSettings.mPackages.get(pkgName); 21122 if (ps == null) { 21123 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 21124 continue; 21125 } 21126 21127 /* 21128 * Skip packages that are not external if we're unmounting 21129 * external storage. 21130 */ 21131 if (externalStorage && !isMounted && !isExternal(ps)) { 21132 continue; 21133 } 21134 21135 final AsecInstallArgs args = new AsecInstallArgs(cid, 21136 getAppDexInstructionSets(ps), ps.isForwardLocked()); 21137 // The package status is changed only if the code path 21138 // matches between settings and the container id. 21139 if (ps.codePathString != null 21140 && ps.codePathString.startsWith(args.getCodePath())) { 21141 if (DEBUG_SD_INSTALL) { 21142 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 21143 + " at code path: " + ps.codePathString); 21144 } 21145 21146 // We do have a valid package installed on sdcard 21147 processCids.put(args, ps.codePathString); 21148 final int uid = ps.appId; 21149 if (uid != -1) { 21150 uidArr = ArrayUtils.appendInt(uidArr, uid); 21151 } 21152 } else { 21153 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 21154 + ps.codePathString); 21155 } 21156 } 21157 } 21158 21159 Arrays.sort(uidArr); 21160 } 21161 21162 // Process packages with valid entries. 21163 if (isMounted) { 21164 if (DEBUG_SD_INSTALL) 21165 Log.i(TAG, "Loading packages"); 21166 loadMediaPackages(processCids, uidArr, externalStorage); 21167 startCleaningPackages(); 21168 mInstallerService.onSecureContainersAvailable(); 21169 } else { 21170 if (DEBUG_SD_INSTALL) 21171 Log.i(TAG, "Unloading packages"); 21172 unloadMediaPackages(processCids, uidArr, reportStatus); 21173 } 21174 } 21175 21176 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21177 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 21178 final int size = infos.size(); 21179 final String[] packageNames = new String[size]; 21180 final int[] packageUids = new int[size]; 21181 for (int i = 0; i < size; i++) { 21182 final ApplicationInfo info = infos.get(i); 21183 packageNames[i] = info.packageName; 21184 packageUids[i] = info.uid; 21185 } 21186 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 21187 finishedReceiver); 21188 } 21189 21190 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21191 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21192 sendResourcesChangedBroadcast(mediaStatus, replacing, 21193 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 21194 } 21195 21196 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21197 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21198 int size = pkgList.length; 21199 if (size > 0) { 21200 // Send broadcasts here 21201 Bundle extras = new Bundle(); 21202 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 21203 if (uidArr != null) { 21204 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 21205 } 21206 if (replacing) { 21207 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 21208 } 21209 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 21210 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 21211 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 21212 } 21213 } 21214 21215 /* 21216 * Look at potentially valid container ids from processCids If package 21217 * information doesn't match the one on record or package scanning fails, 21218 * the cid is added to list of removeCids. We currently don't delete stale 21219 * containers. 21220 */ 21221 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 21222 boolean externalStorage) { 21223 ArrayList<String> pkgList = new ArrayList<String>(); 21224 Set<AsecInstallArgs> keys = processCids.keySet(); 21225 21226 for (AsecInstallArgs args : keys) { 21227 String codePath = processCids.get(args); 21228 if (DEBUG_SD_INSTALL) 21229 Log.i(TAG, "Loading container : " + args.cid); 21230 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 21231 try { 21232 // Make sure there are no container errors first. 21233 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 21234 Slog.e(TAG, "Failed to mount cid : " + args.cid 21235 + " when installing from sdcard"); 21236 continue; 21237 } 21238 // Check code path here. 21239 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 21240 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 21241 + " does not match one in settings " + codePath); 21242 continue; 21243 } 21244 // Parse package 21245 int parseFlags = mDefParseFlags; 21246 if (args.isExternalAsec()) { 21247 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 21248 } 21249 if (args.isFwdLocked()) { 21250 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 21251 } 21252 21253 synchronized (mInstallLock) { 21254 PackageParser.Package pkg = null; 21255 try { 21256 // Sadly we don't know the package name yet to freeze it 21257 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 21258 SCAN_IGNORE_FROZEN, 0, null); 21259 } catch (PackageManagerException e) { 21260 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 21261 } 21262 // Scan the package 21263 if (pkg != null) { 21264 /* 21265 * TODO why is the lock being held? doPostInstall is 21266 * called in other places without the lock. This needs 21267 * to be straightened out. 21268 */ 21269 // writer 21270 synchronized (mPackages) { 21271 retCode = PackageManager.INSTALL_SUCCEEDED; 21272 pkgList.add(pkg.packageName); 21273 // Post process args 21274 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 21275 pkg.applicationInfo.uid); 21276 } 21277 } else { 21278 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 21279 } 21280 } 21281 21282 } finally { 21283 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 21284 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 21285 } 21286 } 21287 } 21288 // writer 21289 synchronized (mPackages) { 21290 // If the platform SDK has changed since the last time we booted, 21291 // we need to re-grant app permission to catch any new ones that 21292 // appear. This is really a hack, and means that apps can in some 21293 // cases get permissions that the user didn't initially explicitly 21294 // allow... it would be nice to have some better way to handle 21295 // this situation. 21296 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 21297 : mSettings.getInternalVersion(); 21298 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 21299 : StorageManager.UUID_PRIVATE_INTERNAL; 21300 21301 int updateFlags = UPDATE_PERMISSIONS_ALL; 21302 if (ver.sdkVersion != mSdkVersion) { 21303 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21304 + mSdkVersion + "; regranting permissions for external"); 21305 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21306 } 21307 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21308 21309 // Yay, everything is now upgraded 21310 ver.forceCurrent(); 21311 21312 // can downgrade to reader 21313 // Persist settings 21314 mSettings.writeLPr(); 21315 } 21316 // Send a broadcast to let everyone know we are done processing 21317 if (pkgList.size() > 0) { 21318 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 21319 } 21320 } 21321 21322 /* 21323 * Utility method to unload a list of specified containers 21324 */ 21325 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 21326 // Just unmount all valid containers. 21327 for (AsecInstallArgs arg : cidArgs) { 21328 synchronized (mInstallLock) { 21329 arg.doPostDeleteLI(false); 21330 } 21331 } 21332 } 21333 21334 /* 21335 * Unload packages mounted on external media. This involves deleting package 21336 * data from internal structures, sending broadcasts about disabled packages, 21337 * gc'ing to free up references, unmounting all secure containers 21338 * corresponding to packages on external media, and posting a 21339 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 21340 * that we always have to post this message if status has been requested no 21341 * matter what. 21342 */ 21343 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 21344 final boolean reportStatus) { 21345 if (DEBUG_SD_INSTALL) 21346 Log.i(TAG, "unloading media packages"); 21347 ArrayList<String> pkgList = new ArrayList<String>(); 21348 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 21349 final Set<AsecInstallArgs> keys = processCids.keySet(); 21350 for (AsecInstallArgs args : keys) { 21351 String pkgName = args.getPackageName(); 21352 if (DEBUG_SD_INSTALL) 21353 Log.i(TAG, "Trying to unload pkg : " + pkgName); 21354 // Delete package internally 21355 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21356 synchronized (mInstallLock) { 21357 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21358 final boolean res; 21359 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 21360 "unloadMediaPackages")) { 21361 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 21362 null); 21363 } 21364 if (res) { 21365 pkgList.add(pkgName); 21366 } else { 21367 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 21368 failedList.add(args); 21369 } 21370 } 21371 } 21372 21373 // reader 21374 synchronized (mPackages) { 21375 // We didn't update the settings after removing each package; 21376 // write them now for all packages. 21377 mSettings.writeLPr(); 21378 } 21379 21380 // We have to absolutely send UPDATED_MEDIA_STATUS only 21381 // after confirming that all the receivers processed the ordered 21382 // broadcast when packages get disabled, force a gc to clean things up. 21383 // and unload all the containers. 21384 if (pkgList.size() > 0) { 21385 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 21386 new IIntentReceiver.Stub() { 21387 public void performReceive(Intent intent, int resultCode, String data, 21388 Bundle extras, boolean ordered, boolean sticky, 21389 int sendingUser) throws RemoteException { 21390 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 21391 reportStatus ? 1 : 0, 1, keys); 21392 mHandler.sendMessage(msg); 21393 } 21394 }); 21395 } else { 21396 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 21397 keys); 21398 mHandler.sendMessage(msg); 21399 } 21400 } 21401 21402 private void loadPrivatePackages(final VolumeInfo vol) { 21403 mHandler.post(new Runnable() { 21404 @Override 21405 public void run() { 21406 loadPrivatePackagesInner(vol); 21407 } 21408 }); 21409 } 21410 21411 private void loadPrivatePackagesInner(VolumeInfo vol) { 21412 final String volumeUuid = vol.fsUuid; 21413 if (TextUtils.isEmpty(volumeUuid)) { 21414 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 21415 return; 21416 } 21417 21418 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 21419 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 21420 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 21421 21422 final VersionInfo ver; 21423 final List<PackageSetting> packages; 21424 synchronized (mPackages) { 21425 ver = mSettings.findOrCreateVersion(volumeUuid); 21426 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21427 } 21428 21429 for (PackageSetting ps : packages) { 21430 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 21431 synchronized (mInstallLock) { 21432 final PackageParser.Package pkg; 21433 try { 21434 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 21435 loaded.add(pkg.applicationInfo); 21436 21437 } catch (PackageManagerException e) { 21438 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 21439 } 21440 21441 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 21442 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 21443 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 21444 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 21445 } 21446 } 21447 } 21448 21449 // Reconcile app data for all started/unlocked users 21450 final StorageManager sm = mContext.getSystemService(StorageManager.class); 21451 final UserManager um = mContext.getSystemService(UserManager.class); 21452 UserManagerInternal umInternal = getUserManagerInternal(); 21453 for (UserInfo user : um.getUsers()) { 21454 final int flags; 21455 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21456 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21457 } else if (umInternal.isUserRunning(user.id)) { 21458 flags = StorageManager.FLAG_STORAGE_DE; 21459 } else { 21460 continue; 21461 } 21462 21463 try { 21464 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 21465 synchronized (mInstallLock) { 21466 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 21467 } 21468 } catch (IllegalStateException e) { 21469 // Device was probably ejected, and we'll process that event momentarily 21470 Slog.w(TAG, "Failed to prepare storage: " + e); 21471 } 21472 } 21473 21474 synchronized (mPackages) { 21475 int updateFlags = UPDATE_PERMISSIONS_ALL; 21476 if (ver.sdkVersion != mSdkVersion) { 21477 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21478 + mSdkVersion + "; regranting permissions for " + volumeUuid); 21479 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21480 } 21481 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21482 21483 // Yay, everything is now upgraded 21484 ver.forceCurrent(); 21485 21486 mSettings.writeLPr(); 21487 } 21488 21489 for (PackageFreezer freezer : freezers) { 21490 freezer.close(); 21491 } 21492 21493 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 21494 sendResourcesChangedBroadcast(true, false, loaded, null); 21495 } 21496 21497 private void unloadPrivatePackages(final VolumeInfo vol) { 21498 mHandler.post(new Runnable() { 21499 @Override 21500 public void run() { 21501 unloadPrivatePackagesInner(vol); 21502 } 21503 }); 21504 } 21505 21506 private void unloadPrivatePackagesInner(VolumeInfo vol) { 21507 final String volumeUuid = vol.fsUuid; 21508 if (TextUtils.isEmpty(volumeUuid)) { 21509 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 21510 return; 21511 } 21512 21513 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 21514 synchronized (mInstallLock) { 21515 synchronized (mPackages) { 21516 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 21517 for (PackageSetting ps : packages) { 21518 if (ps.pkg == null) continue; 21519 21520 final ApplicationInfo info = ps.pkg.applicationInfo; 21521 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21522 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21523 21524 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 21525 "unloadPrivatePackagesInner")) { 21526 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 21527 false, null)) { 21528 unloaded.add(info); 21529 } else { 21530 Slog.w(TAG, "Failed to unload " + ps.codePath); 21531 } 21532 } 21533 21534 // Try very hard to release any references to this package 21535 // so we don't risk the system server being killed due to 21536 // open FDs 21537 AttributeCache.instance().removePackage(ps.name); 21538 } 21539 21540 mSettings.writeLPr(); 21541 } 21542 } 21543 21544 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 21545 sendResourcesChangedBroadcast(false, false, unloaded, null); 21546 21547 // Try very hard to release any references to this path so we don't risk 21548 // the system server being killed due to open FDs 21549 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 21550 21551 for (int i = 0; i < 3; i++) { 21552 System.gc(); 21553 System.runFinalization(); 21554 } 21555 } 21556 21557 private void assertPackageKnown(String volumeUuid, String packageName) 21558 throws PackageManagerException { 21559 synchronized (mPackages) { 21560 // Normalize package name to handle renamed packages 21561 packageName = normalizePackageNameLPr(packageName); 21562 21563 final PackageSetting ps = mSettings.mPackages.get(packageName); 21564 if (ps == null) { 21565 throw new PackageManagerException("Package " + packageName + " is unknown"); 21566 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21567 throw new PackageManagerException( 21568 "Package " + packageName + " found on unknown volume " + volumeUuid 21569 + "; expected volume " + ps.volumeUuid); 21570 } 21571 } 21572 } 21573 21574 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 21575 throws PackageManagerException { 21576 synchronized (mPackages) { 21577 // Normalize package name to handle renamed packages 21578 packageName = normalizePackageNameLPr(packageName); 21579 21580 final PackageSetting ps = mSettings.mPackages.get(packageName); 21581 if (ps == null) { 21582 throw new PackageManagerException("Package " + packageName + " is unknown"); 21583 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21584 throw new PackageManagerException( 21585 "Package " + packageName + " found on unknown volume " + volumeUuid 21586 + "; expected volume " + ps.volumeUuid); 21587 } else if (!ps.getInstalled(userId)) { 21588 throw new PackageManagerException( 21589 "Package " + packageName + " not installed for user " + userId); 21590 } 21591 } 21592 } 21593 21594 private List<String> collectAbsoluteCodePaths() { 21595 synchronized (mPackages) { 21596 List<String> codePaths = new ArrayList<>(); 21597 final int packageCount = mSettings.mPackages.size(); 21598 for (int i = 0; i < packageCount; i++) { 21599 final PackageSetting ps = mSettings.mPackages.valueAt(i); 21600 codePaths.add(ps.codePath.getAbsolutePath()); 21601 } 21602 return codePaths; 21603 } 21604 } 21605 21606 /** 21607 * Examine all apps present on given mounted volume, and destroy apps that 21608 * aren't expected, either due to uninstallation or reinstallation on 21609 * another volume. 21610 */ 21611 private void reconcileApps(String volumeUuid) { 21612 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 21613 List<File> filesToDelete = null; 21614 21615 final File[] files = FileUtils.listFilesOrEmpty( 21616 Environment.getDataAppDirectory(volumeUuid)); 21617 for (File file : files) { 21618 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 21619 && !PackageInstallerService.isStageName(file.getName()); 21620 if (!isPackage) { 21621 // Ignore entries which are not packages 21622 continue; 21623 } 21624 21625 String absolutePath = file.getAbsolutePath(); 21626 21627 boolean pathValid = false; 21628 final int absoluteCodePathCount = absoluteCodePaths.size(); 21629 for (int i = 0; i < absoluteCodePathCount; i++) { 21630 String absoluteCodePath = absoluteCodePaths.get(i); 21631 if (absolutePath.startsWith(absoluteCodePath)) { 21632 pathValid = true; 21633 break; 21634 } 21635 } 21636 21637 if (!pathValid) { 21638 if (filesToDelete == null) { 21639 filesToDelete = new ArrayList<>(); 21640 } 21641 filesToDelete.add(file); 21642 } 21643 } 21644 21645 if (filesToDelete != null) { 21646 final int fileToDeleteCount = filesToDelete.size(); 21647 for (int i = 0; i < fileToDeleteCount; i++) { 21648 File fileToDelete = filesToDelete.get(i); 21649 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 21650 synchronized (mInstallLock) { 21651 removeCodePathLI(fileToDelete); 21652 } 21653 } 21654 } 21655 } 21656 21657 /** 21658 * Reconcile all app data for the given user. 21659 * <p> 21660 * Verifies that directories exist and that ownership and labeling is 21661 * correct for all installed apps on all mounted volumes. 21662 */ 21663 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 21664 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21665 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 21666 final String volumeUuid = vol.getFsUuid(); 21667 synchronized (mInstallLock) { 21668 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 21669 } 21670 } 21671 } 21672 21673 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21674 boolean migrateAppData) { 21675 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppData, false /* onlyCoreApps */); 21676 } 21677 21678 /** 21679 * Reconcile all app data on given mounted volume. 21680 * <p> 21681 * Destroys app data that isn't expected, either due to uninstallation or 21682 * reinstallation on another volume. 21683 * <p> 21684 * Verifies that directories exist and that ownership and labeling is 21685 * correct for all installed apps. 21686 * @returns list of skipped non-core packages (if {@code onlyCoreApps} is true) 21687 */ 21688 private List<String> reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21689 boolean migrateAppData, boolean onlyCoreApps) { 21690 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 21691 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 21692 List<String> result = onlyCoreApps ? new ArrayList<>() : null; 21693 21694 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 21695 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 21696 21697 // First look for stale data that doesn't belong, and check if things 21698 // have changed since we did our last restorecon 21699 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21700 if (StorageManager.isFileEncryptedNativeOrEmulated() 21701 && !StorageManager.isUserKeyUnlocked(userId)) { 21702 throw new RuntimeException( 21703 "Yikes, someone asked us to reconcile CE storage while " + userId 21704 + " was still locked; this would have caused massive data loss!"); 21705 } 21706 21707 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 21708 for (File file : files) { 21709 final String packageName = file.getName(); 21710 try { 21711 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21712 } catch (PackageManagerException e) { 21713 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21714 try { 21715 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21716 StorageManager.FLAG_STORAGE_CE, 0); 21717 } catch (InstallerException e2) { 21718 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21719 } 21720 } 21721 } 21722 } 21723 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 21724 final File[] files = FileUtils.listFilesOrEmpty(deDir); 21725 for (File file : files) { 21726 final String packageName = file.getName(); 21727 try { 21728 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21729 } catch (PackageManagerException e) { 21730 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21731 try { 21732 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21733 StorageManager.FLAG_STORAGE_DE, 0); 21734 } catch (InstallerException e2) { 21735 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21736 } 21737 } 21738 } 21739 } 21740 21741 // Ensure that data directories are ready to roll for all packages 21742 // installed for this volume and user 21743 final List<PackageSetting> packages; 21744 synchronized (mPackages) { 21745 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21746 } 21747 int preparedCount = 0; 21748 for (PackageSetting ps : packages) { 21749 final String packageName = ps.name; 21750 if (ps.pkg == null) { 21751 Slog.w(TAG, "Odd, missing scanned package " + packageName); 21752 // TODO: might be due to legacy ASEC apps; we should circle back 21753 // and reconcile again once they're scanned 21754 continue; 21755 } 21756 // Skip non-core apps if requested 21757 if (onlyCoreApps && !ps.pkg.coreApp) { 21758 result.add(packageName); 21759 continue; 21760 } 21761 21762 if (ps.getInstalled(userId)) { 21763 prepareAppDataAndMigrateLIF(ps.pkg, userId, flags, migrateAppData); 21764 preparedCount++; 21765 } 21766 } 21767 21768 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 21769 return result; 21770 } 21771 21772 /** 21773 * Prepare app data for the given app just after it was installed or 21774 * upgraded. This method carefully only touches users that it's installed 21775 * for, and it forces a restorecon to handle any seinfo changes. 21776 * <p> 21777 * Verifies that directories exist and that ownership and labeling is 21778 * correct for all installed apps. If there is an ownership mismatch, it 21779 * will try recovering system apps by wiping data; third-party app data is 21780 * left intact. 21781 * <p> 21782 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 21783 */ 21784 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 21785 final PackageSetting ps; 21786 synchronized (mPackages) { 21787 ps = mSettings.mPackages.get(pkg.packageName); 21788 mSettings.writeKernelMappingLPr(ps); 21789 } 21790 21791 final UserManager um = mContext.getSystemService(UserManager.class); 21792 UserManagerInternal umInternal = getUserManagerInternal(); 21793 for (UserInfo user : um.getUsers()) { 21794 final int flags; 21795 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21796 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21797 } else if (umInternal.isUserRunning(user.id)) { 21798 flags = StorageManager.FLAG_STORAGE_DE; 21799 } else { 21800 continue; 21801 } 21802 21803 if (ps.getInstalled(user.id)) { 21804 // TODO: when user data is locked, mark that we're still dirty 21805 prepareAppDataLIF(pkg, user.id, flags); 21806 } 21807 } 21808 } 21809 21810 /** 21811 * Prepare app data for the given app. 21812 * <p> 21813 * Verifies that directories exist and that ownership and labeling is 21814 * correct for all installed apps. If there is an ownership mismatch, this 21815 * will try recovering system apps by wiping data; third-party app data is 21816 * left intact. 21817 */ 21818 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 21819 if (pkg == null) { 21820 Slog.wtf(TAG, "Package was null!", new Throwable()); 21821 return; 21822 } 21823 prepareAppDataLeafLIF(pkg, userId, flags); 21824 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21825 for (int i = 0; i < childCount; i++) { 21826 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 21827 } 21828 } 21829 21830 private void prepareAppDataAndMigrateLIF(PackageParser.Package pkg, int userId, int flags, 21831 boolean maybeMigrateAppData) { 21832 prepareAppDataLIF(pkg, userId, flags); 21833 21834 if (maybeMigrateAppData && maybeMigrateAppDataLIF(pkg, userId)) { 21835 // We may have just shuffled around app data directories, so 21836 // prepare them one more time 21837 prepareAppDataLIF(pkg, userId, flags); 21838 } 21839 } 21840 21841 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21842 if (DEBUG_APP_DATA) { 21843 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 21844 + Integer.toHexString(flags)); 21845 } 21846 21847 final String volumeUuid = pkg.volumeUuid; 21848 final String packageName = pkg.packageName; 21849 final ApplicationInfo app = pkg.applicationInfo; 21850 final int appId = UserHandle.getAppId(app.uid); 21851 21852 Preconditions.checkNotNull(app.seInfo); 21853 21854 long ceDataInode = -1; 21855 try { 21856 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21857 appId, app.seInfo, app.targetSdkVersion); 21858 } catch (InstallerException e) { 21859 if (app.isSystemApp()) { 21860 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 21861 + ", but trying to recover: " + e); 21862 destroyAppDataLeafLIF(pkg, userId, flags); 21863 try { 21864 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21865 appId, app.seInfo, app.targetSdkVersion); 21866 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 21867 } catch (InstallerException e2) { 21868 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 21869 } 21870 } else { 21871 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 21872 } 21873 } 21874 21875 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 21876 // TODO: mark this structure as dirty so we persist it! 21877 synchronized (mPackages) { 21878 final PackageSetting ps = mSettings.mPackages.get(packageName); 21879 if (ps != null) { 21880 ps.setCeDataInode(ceDataInode, userId); 21881 } 21882 } 21883 } 21884 21885 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21886 } 21887 21888 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 21889 if (pkg == null) { 21890 Slog.wtf(TAG, "Package was null!", new Throwable()); 21891 return; 21892 } 21893 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21894 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21895 for (int i = 0; i < childCount; i++) { 21896 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 21897 } 21898 } 21899 21900 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21901 final String volumeUuid = pkg.volumeUuid; 21902 final String packageName = pkg.packageName; 21903 final ApplicationInfo app = pkg.applicationInfo; 21904 21905 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21906 // Create a native library symlink only if we have native libraries 21907 // and if the native libraries are 32 bit libraries. We do not provide 21908 // this symlink for 64 bit libraries. 21909 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 21910 final String nativeLibPath = app.nativeLibraryDir; 21911 try { 21912 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 21913 nativeLibPath, userId); 21914 } catch (InstallerException e) { 21915 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 21916 } 21917 } 21918 } 21919 } 21920 21921 /** 21922 * For system apps on non-FBE devices, this method migrates any existing 21923 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 21924 * requested by the app. 21925 */ 21926 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 21927 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 21928 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 21929 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 21930 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 21931 try { 21932 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 21933 storageTarget); 21934 } catch (InstallerException e) { 21935 logCriticalInfo(Log.WARN, 21936 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 21937 } 21938 return true; 21939 } else { 21940 return false; 21941 } 21942 } 21943 21944 public PackageFreezer freezePackage(String packageName, String killReason) { 21945 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 21946 } 21947 21948 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 21949 return new PackageFreezer(packageName, userId, killReason); 21950 } 21951 21952 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 21953 String killReason) { 21954 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 21955 } 21956 21957 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 21958 String killReason) { 21959 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 21960 return new PackageFreezer(); 21961 } else { 21962 return freezePackage(packageName, userId, killReason); 21963 } 21964 } 21965 21966 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 21967 String killReason) { 21968 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 21969 } 21970 21971 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 21972 String killReason) { 21973 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 21974 return new PackageFreezer(); 21975 } else { 21976 return freezePackage(packageName, userId, killReason); 21977 } 21978 } 21979 21980 /** 21981 * Class that freezes and kills the given package upon creation, and 21982 * unfreezes it upon closing. This is typically used when doing surgery on 21983 * app code/data to prevent the app from running while you're working. 21984 */ 21985 private class PackageFreezer implements AutoCloseable { 21986 private final String mPackageName; 21987 private final PackageFreezer[] mChildren; 21988 21989 private final boolean mWeFroze; 21990 21991 private final AtomicBoolean mClosed = new AtomicBoolean(); 21992 private final CloseGuard mCloseGuard = CloseGuard.get(); 21993 21994 /** 21995 * Create and return a stub freezer that doesn't actually do anything, 21996 * typically used when someone requested 21997 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 21998 * {@link PackageManager#DELETE_DONT_KILL_APP}. 21999 */ 22000 public PackageFreezer() { 22001 mPackageName = null; 22002 mChildren = null; 22003 mWeFroze = false; 22004 mCloseGuard.open("close"); 22005 } 22006 22007 public PackageFreezer(String packageName, int userId, String killReason) { 22008 synchronized (mPackages) { 22009 mPackageName = packageName; 22010 mWeFroze = mFrozenPackages.add(mPackageName); 22011 22012 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 22013 if (ps != null) { 22014 killApplication(ps.name, ps.appId, userId, killReason); 22015 } 22016 22017 final PackageParser.Package p = mPackages.get(packageName); 22018 if (p != null && p.childPackages != null) { 22019 final int N = p.childPackages.size(); 22020 mChildren = new PackageFreezer[N]; 22021 for (int i = 0; i < N; i++) { 22022 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 22023 userId, killReason); 22024 } 22025 } else { 22026 mChildren = null; 22027 } 22028 } 22029 mCloseGuard.open("close"); 22030 } 22031 22032 @Override 22033 protected void finalize() throws Throwable { 22034 try { 22035 mCloseGuard.warnIfOpen(); 22036 close(); 22037 } finally { 22038 super.finalize(); 22039 } 22040 } 22041 22042 @Override 22043 public void close() { 22044 mCloseGuard.close(); 22045 if (mClosed.compareAndSet(false, true)) { 22046 synchronized (mPackages) { 22047 if (mWeFroze) { 22048 mFrozenPackages.remove(mPackageName); 22049 } 22050 22051 if (mChildren != null) { 22052 for (PackageFreezer freezer : mChildren) { 22053 freezer.close(); 22054 } 22055 } 22056 } 22057 } 22058 } 22059 } 22060 22061 /** 22062 * Verify that given package is currently frozen. 22063 */ 22064 private void checkPackageFrozen(String packageName) { 22065 synchronized (mPackages) { 22066 if (!mFrozenPackages.contains(packageName)) { 22067 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 22068 } 22069 } 22070 } 22071 22072 @Override 22073 public int movePackage(final String packageName, final String volumeUuid) { 22074 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22075 22076 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 22077 final int moveId = mNextMoveId.getAndIncrement(); 22078 mHandler.post(new Runnable() { 22079 @Override 22080 public void run() { 22081 try { 22082 movePackageInternal(packageName, volumeUuid, moveId, user); 22083 } catch (PackageManagerException e) { 22084 Slog.w(TAG, "Failed to move " + packageName, e); 22085 mMoveCallbacks.notifyStatusChanged(moveId, 22086 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22087 } 22088 } 22089 }); 22090 return moveId; 22091 } 22092 22093 private void movePackageInternal(final String packageName, final String volumeUuid, 22094 final int moveId, UserHandle user) throws PackageManagerException { 22095 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22096 final PackageManager pm = mContext.getPackageManager(); 22097 22098 final boolean currentAsec; 22099 final String currentVolumeUuid; 22100 final File codeFile; 22101 final String installerPackageName; 22102 final String packageAbiOverride; 22103 final int appId; 22104 final String seinfo; 22105 final String label; 22106 final int targetSdkVersion; 22107 final PackageFreezer freezer; 22108 final int[] installedUserIds; 22109 22110 // reader 22111 synchronized (mPackages) { 22112 final PackageParser.Package pkg = mPackages.get(packageName); 22113 final PackageSetting ps = mSettings.mPackages.get(packageName); 22114 if (pkg == null || ps == null) { 22115 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 22116 } 22117 22118 if (pkg.applicationInfo.isSystemApp()) { 22119 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 22120 "Cannot move system application"); 22121 } 22122 22123 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 22124 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 22125 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 22126 if (isInternalStorage && !allow3rdPartyOnInternal) { 22127 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 22128 "3rd party apps are not allowed on internal storage"); 22129 } 22130 22131 if (pkg.applicationInfo.isExternalAsec()) { 22132 currentAsec = true; 22133 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 22134 } else if (pkg.applicationInfo.isForwardLocked()) { 22135 currentAsec = true; 22136 currentVolumeUuid = "forward_locked"; 22137 } else { 22138 currentAsec = false; 22139 currentVolumeUuid = ps.volumeUuid; 22140 22141 final File probe = new File(pkg.codePath); 22142 final File probeOat = new File(probe, "oat"); 22143 if (!probe.isDirectory() || !probeOat.isDirectory()) { 22144 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22145 "Move only supported for modern cluster style installs"); 22146 } 22147 } 22148 22149 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 22150 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22151 "Package already moved to " + volumeUuid); 22152 } 22153 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 22154 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 22155 "Device admin cannot be moved"); 22156 } 22157 22158 if (mFrozenPackages.contains(packageName)) { 22159 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 22160 "Failed to move already frozen package"); 22161 } 22162 22163 codeFile = new File(pkg.codePath); 22164 installerPackageName = ps.installerPackageName; 22165 packageAbiOverride = ps.cpuAbiOverrideString; 22166 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 22167 seinfo = pkg.applicationInfo.seInfo; 22168 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 22169 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 22170 freezer = freezePackage(packageName, "movePackageInternal"); 22171 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 22172 } 22173 22174 final Bundle extras = new Bundle(); 22175 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 22176 extras.putString(Intent.EXTRA_TITLE, label); 22177 mMoveCallbacks.notifyCreated(moveId, extras); 22178 22179 int installFlags; 22180 final boolean moveCompleteApp; 22181 final File measurePath; 22182 22183 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 22184 installFlags = INSTALL_INTERNAL; 22185 moveCompleteApp = !currentAsec; 22186 measurePath = Environment.getDataAppDirectory(volumeUuid); 22187 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 22188 installFlags = INSTALL_EXTERNAL; 22189 moveCompleteApp = false; 22190 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 22191 } else { 22192 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 22193 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 22194 || !volume.isMountedWritable()) { 22195 freezer.close(); 22196 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22197 "Move location not mounted private volume"); 22198 } 22199 22200 Preconditions.checkState(!currentAsec); 22201 22202 installFlags = INSTALL_INTERNAL; 22203 moveCompleteApp = true; 22204 measurePath = Environment.getDataAppDirectory(volumeUuid); 22205 } 22206 22207 final PackageStats stats = new PackageStats(null, -1); 22208 synchronized (mInstaller) { 22209 for (int userId : installedUserIds) { 22210 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 22211 freezer.close(); 22212 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22213 "Failed to measure package size"); 22214 } 22215 } 22216 } 22217 22218 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 22219 + stats.dataSize); 22220 22221 final long startFreeBytes = measurePath.getFreeSpace(); 22222 final long sizeBytes; 22223 if (moveCompleteApp) { 22224 sizeBytes = stats.codeSize + stats.dataSize; 22225 } else { 22226 sizeBytes = stats.codeSize; 22227 } 22228 22229 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 22230 freezer.close(); 22231 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22232 "Not enough free space to move"); 22233 } 22234 22235 mMoveCallbacks.notifyStatusChanged(moveId, 10); 22236 22237 final CountDownLatch installedLatch = new CountDownLatch(1); 22238 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 22239 @Override 22240 public void onUserActionRequired(Intent intent) throws RemoteException { 22241 throw new IllegalStateException(); 22242 } 22243 22244 @Override 22245 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 22246 Bundle extras) throws RemoteException { 22247 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 22248 + PackageManager.installStatusToString(returnCode, msg)); 22249 22250 installedLatch.countDown(); 22251 freezer.close(); 22252 22253 final int status = PackageManager.installStatusToPublicStatus(returnCode); 22254 switch (status) { 22255 case PackageInstaller.STATUS_SUCCESS: 22256 mMoveCallbacks.notifyStatusChanged(moveId, 22257 PackageManager.MOVE_SUCCEEDED); 22258 break; 22259 case PackageInstaller.STATUS_FAILURE_STORAGE: 22260 mMoveCallbacks.notifyStatusChanged(moveId, 22261 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 22262 break; 22263 default: 22264 mMoveCallbacks.notifyStatusChanged(moveId, 22265 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22266 break; 22267 } 22268 } 22269 }; 22270 22271 final MoveInfo move; 22272 if (moveCompleteApp) { 22273 // Kick off a thread to report progress estimates 22274 new Thread() { 22275 @Override 22276 public void run() { 22277 while (true) { 22278 try { 22279 if (installedLatch.await(1, TimeUnit.SECONDS)) { 22280 break; 22281 } 22282 } catch (InterruptedException ignored) { 22283 } 22284 22285 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 22286 final int progress = 10 + (int) MathUtils.constrain( 22287 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 22288 mMoveCallbacks.notifyStatusChanged(moveId, progress); 22289 } 22290 } 22291 }.start(); 22292 22293 final String dataAppName = codeFile.getName(); 22294 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 22295 dataAppName, appId, seinfo, targetSdkVersion); 22296 } else { 22297 move = null; 22298 } 22299 22300 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 22301 22302 final Message msg = mHandler.obtainMessage(INIT_COPY); 22303 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 22304 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 22305 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 22306 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/, 22307 PackageManager.INSTALL_REASON_UNKNOWN); 22308 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 22309 msg.obj = params; 22310 22311 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 22312 System.identityHashCode(msg.obj)); 22313 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 22314 System.identityHashCode(msg.obj)); 22315 22316 mHandler.sendMessage(msg); 22317 } 22318 22319 @Override 22320 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 22321 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22322 22323 final int realMoveId = mNextMoveId.getAndIncrement(); 22324 final Bundle extras = new Bundle(); 22325 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 22326 mMoveCallbacks.notifyCreated(realMoveId, extras); 22327 22328 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 22329 @Override 22330 public void onCreated(int moveId, Bundle extras) { 22331 // Ignored 22332 } 22333 22334 @Override 22335 public void onStatusChanged(int moveId, int status, long estMillis) { 22336 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 22337 } 22338 }; 22339 22340 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22341 storage.setPrimaryStorageUuid(volumeUuid, callback); 22342 return realMoveId; 22343 } 22344 22345 @Override 22346 public int getMoveStatus(int moveId) { 22347 mContext.enforceCallingOrSelfPermission( 22348 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22349 return mMoveCallbacks.mLastStatus.get(moveId); 22350 } 22351 22352 @Override 22353 public void registerMoveCallback(IPackageMoveObserver callback) { 22354 mContext.enforceCallingOrSelfPermission( 22355 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22356 mMoveCallbacks.register(callback); 22357 } 22358 22359 @Override 22360 public void unregisterMoveCallback(IPackageMoveObserver callback) { 22361 mContext.enforceCallingOrSelfPermission( 22362 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22363 mMoveCallbacks.unregister(callback); 22364 } 22365 22366 @Override 22367 public boolean setInstallLocation(int loc) { 22368 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 22369 null); 22370 if (getInstallLocation() == loc) { 22371 return true; 22372 } 22373 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 22374 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 22375 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 22376 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 22377 return true; 22378 } 22379 return false; 22380 } 22381 22382 @Override 22383 public int getInstallLocation() { 22384 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 22385 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 22386 PackageHelper.APP_INSTALL_AUTO); 22387 } 22388 22389 /** Called by UserManagerService */ 22390 void cleanUpUser(UserManagerService userManager, int userHandle) { 22391 synchronized (mPackages) { 22392 mDirtyUsers.remove(userHandle); 22393 mUserNeedsBadging.delete(userHandle); 22394 mSettings.removeUserLPw(userHandle); 22395 mPendingBroadcasts.remove(userHandle); 22396 mInstantAppRegistry.onUserRemovedLPw(userHandle); 22397 removeUnusedPackagesLPw(userManager, userHandle); 22398 } 22399 } 22400 22401 /** 22402 * We're removing userHandle and would like to remove any downloaded packages 22403 * that are no longer in use by any other user. 22404 * @param userHandle the user being removed 22405 */ 22406 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 22407 final boolean DEBUG_CLEAN_APKS = false; 22408 int [] users = userManager.getUserIds(); 22409 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 22410 while (psit.hasNext()) { 22411 PackageSetting ps = psit.next(); 22412 if (ps.pkg == null) { 22413 continue; 22414 } 22415 final String packageName = ps.pkg.packageName; 22416 // Skip over if system app 22417 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 22418 continue; 22419 } 22420 if (DEBUG_CLEAN_APKS) { 22421 Slog.i(TAG, "Checking package " + packageName); 22422 } 22423 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 22424 if (keep) { 22425 if (DEBUG_CLEAN_APKS) { 22426 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 22427 } 22428 } else { 22429 for (int i = 0; i < users.length; i++) { 22430 if (users[i] != userHandle && ps.getInstalled(users[i])) { 22431 keep = true; 22432 if (DEBUG_CLEAN_APKS) { 22433 Slog.i(TAG, " Keeping package " + packageName + " for user " 22434 + users[i]); 22435 } 22436 break; 22437 } 22438 } 22439 } 22440 if (!keep) { 22441 if (DEBUG_CLEAN_APKS) { 22442 Slog.i(TAG, " Removing package " + packageName); 22443 } 22444 mHandler.post(new Runnable() { 22445 public void run() { 22446 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22447 userHandle, 0); 22448 } //end run 22449 }); 22450 } 22451 } 22452 } 22453 22454 /** Called by UserManagerService */ 22455 void createNewUser(int userId, String[] disallowedPackages) { 22456 synchronized (mInstallLock) { 22457 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 22458 } 22459 synchronized (mPackages) { 22460 scheduleWritePackageRestrictionsLocked(userId); 22461 scheduleWritePackageListLocked(userId); 22462 applyFactoryDefaultBrowserLPw(userId); 22463 primeDomainVerificationsLPw(userId); 22464 } 22465 } 22466 22467 void onNewUserCreated(final int userId) { 22468 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 22469 // If permission review for legacy apps is required, we represent 22470 // dagerous permissions for such apps as always granted runtime 22471 // permissions to keep per user flag state whether review is needed. 22472 // Hence, if a new user is added we have to propagate dangerous 22473 // permission grants for these legacy apps. 22474 if (mPermissionReviewRequired) { 22475 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 22476 | UPDATE_PERMISSIONS_REPLACE_ALL); 22477 } 22478 } 22479 22480 @Override 22481 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 22482 mContext.enforceCallingOrSelfPermission( 22483 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 22484 "Only package verification agents can read the verifier device identity"); 22485 22486 synchronized (mPackages) { 22487 return mSettings.getVerifierDeviceIdentityLPw(); 22488 } 22489 } 22490 22491 @Override 22492 public void setPermissionEnforced(String permission, boolean enforced) { 22493 // TODO: Now that we no longer change GID for storage, this should to away. 22494 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 22495 "setPermissionEnforced"); 22496 if (READ_EXTERNAL_STORAGE.equals(permission)) { 22497 synchronized (mPackages) { 22498 if (mSettings.mReadExternalStorageEnforced == null 22499 || mSettings.mReadExternalStorageEnforced != enforced) { 22500 mSettings.mReadExternalStorageEnforced = enforced; 22501 mSettings.writeLPr(); 22502 } 22503 } 22504 // kill any non-foreground processes so we restart them and 22505 // grant/revoke the GID. 22506 final IActivityManager am = ActivityManager.getService(); 22507 if (am != null) { 22508 final long token = Binder.clearCallingIdentity(); 22509 try { 22510 am.killProcessesBelowForeground("setPermissionEnforcement"); 22511 } catch (RemoteException e) { 22512 } finally { 22513 Binder.restoreCallingIdentity(token); 22514 } 22515 } 22516 } else { 22517 throw new IllegalArgumentException("No selective enforcement for " + permission); 22518 } 22519 } 22520 22521 @Override 22522 @Deprecated 22523 public boolean isPermissionEnforced(String permission) { 22524 return true; 22525 } 22526 22527 @Override 22528 public boolean isStorageLow() { 22529 final long token = Binder.clearCallingIdentity(); 22530 try { 22531 final DeviceStorageMonitorInternal 22532 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 22533 if (dsm != null) { 22534 return dsm.isMemoryLow(); 22535 } else { 22536 return false; 22537 } 22538 } finally { 22539 Binder.restoreCallingIdentity(token); 22540 } 22541 } 22542 22543 @Override 22544 public IPackageInstaller getPackageInstaller() { 22545 return mInstallerService; 22546 } 22547 22548 private boolean userNeedsBadging(int userId) { 22549 int index = mUserNeedsBadging.indexOfKey(userId); 22550 if (index < 0) { 22551 final UserInfo userInfo; 22552 final long token = Binder.clearCallingIdentity(); 22553 try { 22554 userInfo = sUserManager.getUserInfo(userId); 22555 } finally { 22556 Binder.restoreCallingIdentity(token); 22557 } 22558 final boolean b; 22559 if (userInfo != null && userInfo.isManagedProfile()) { 22560 b = true; 22561 } else { 22562 b = false; 22563 } 22564 mUserNeedsBadging.put(userId, b); 22565 return b; 22566 } 22567 return mUserNeedsBadging.valueAt(index); 22568 } 22569 22570 @Override 22571 public KeySet getKeySetByAlias(String packageName, String alias) { 22572 if (packageName == null || alias == null) { 22573 return null; 22574 } 22575 synchronized(mPackages) { 22576 final PackageParser.Package pkg = mPackages.get(packageName); 22577 if (pkg == null) { 22578 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22579 throw new IllegalArgumentException("Unknown package: " + packageName); 22580 } 22581 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22582 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 22583 } 22584 } 22585 22586 @Override 22587 public KeySet getSigningKeySet(String packageName) { 22588 if (packageName == null) { 22589 return null; 22590 } 22591 synchronized(mPackages) { 22592 final PackageParser.Package pkg = mPackages.get(packageName); 22593 if (pkg == null) { 22594 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22595 throw new IllegalArgumentException("Unknown package: " + packageName); 22596 } 22597 if (pkg.applicationInfo.uid != Binder.getCallingUid() 22598 && Process.SYSTEM_UID != Binder.getCallingUid()) { 22599 throw new SecurityException("May not access signing KeySet of other apps."); 22600 } 22601 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22602 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 22603 } 22604 } 22605 22606 @Override 22607 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 22608 if (packageName == null || ks == null) { 22609 return false; 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 IBinder ksh = ks.getToken(); 22618 if (ksh instanceof KeySetHandle) { 22619 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22620 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 22621 } 22622 return false; 22623 } 22624 } 22625 22626 @Override 22627 public boolean isPackageSignedByKeySetExactly(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.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 22641 } 22642 return false; 22643 } 22644 } 22645 22646 private void deletePackageIfUnusedLPr(final String packageName) { 22647 PackageSetting ps = mSettings.mPackages.get(packageName); 22648 if (ps == null) { 22649 return; 22650 } 22651 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 22652 // TODO Implement atomic delete if package is unused 22653 // It is currently possible that the package will be deleted even if it is installed 22654 // after this method returns. 22655 mHandler.post(new Runnable() { 22656 public void run() { 22657 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22658 0, PackageManager.DELETE_ALL_USERS); 22659 } 22660 }); 22661 } 22662 } 22663 22664 /** 22665 * Check and throw if the given before/after packages would be considered a 22666 * downgrade. 22667 */ 22668 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 22669 throws PackageManagerException { 22670 if (after.versionCode < before.mVersionCode) { 22671 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22672 "Update version code " + after.versionCode + " is older than current " 22673 + before.mVersionCode); 22674 } else if (after.versionCode == before.mVersionCode) { 22675 if (after.baseRevisionCode < before.baseRevisionCode) { 22676 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22677 "Update base revision code " + after.baseRevisionCode 22678 + " is older than current " + before.baseRevisionCode); 22679 } 22680 22681 if (!ArrayUtils.isEmpty(after.splitNames)) { 22682 for (int i = 0; i < after.splitNames.length; i++) { 22683 final String splitName = after.splitNames[i]; 22684 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 22685 if (j != -1) { 22686 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 22687 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22688 "Update split " + splitName + " revision code " 22689 + after.splitRevisionCodes[i] + " is older than current " 22690 + before.splitRevisionCodes[j]); 22691 } 22692 } 22693 } 22694 } 22695 } 22696 } 22697 22698 private static class MoveCallbacks extends Handler { 22699 private static final int MSG_CREATED = 1; 22700 private static final int MSG_STATUS_CHANGED = 2; 22701 22702 private final RemoteCallbackList<IPackageMoveObserver> 22703 mCallbacks = new RemoteCallbackList<>(); 22704 22705 private final SparseIntArray mLastStatus = new SparseIntArray(); 22706 22707 public MoveCallbacks(Looper looper) { 22708 super(looper); 22709 } 22710 22711 public void register(IPackageMoveObserver callback) { 22712 mCallbacks.register(callback); 22713 } 22714 22715 public void unregister(IPackageMoveObserver callback) { 22716 mCallbacks.unregister(callback); 22717 } 22718 22719 @Override 22720 public void handleMessage(Message msg) { 22721 final SomeArgs args = (SomeArgs) msg.obj; 22722 final int n = mCallbacks.beginBroadcast(); 22723 for (int i = 0; i < n; i++) { 22724 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 22725 try { 22726 invokeCallback(callback, msg.what, args); 22727 } catch (RemoteException ignored) { 22728 } 22729 } 22730 mCallbacks.finishBroadcast(); 22731 args.recycle(); 22732 } 22733 22734 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 22735 throws RemoteException { 22736 switch (what) { 22737 case MSG_CREATED: { 22738 callback.onCreated(args.argi1, (Bundle) args.arg2); 22739 break; 22740 } 22741 case MSG_STATUS_CHANGED: { 22742 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 22743 break; 22744 } 22745 } 22746 } 22747 22748 private void notifyCreated(int moveId, Bundle extras) { 22749 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 22750 22751 final SomeArgs args = SomeArgs.obtain(); 22752 args.argi1 = moveId; 22753 args.arg2 = extras; 22754 obtainMessage(MSG_CREATED, args).sendToTarget(); 22755 } 22756 22757 private void notifyStatusChanged(int moveId, int status) { 22758 notifyStatusChanged(moveId, status, -1); 22759 } 22760 22761 private void notifyStatusChanged(int moveId, int status, long estMillis) { 22762 Slog.v(TAG, "Move " + moveId + " status " + status); 22763 22764 final SomeArgs args = SomeArgs.obtain(); 22765 args.argi1 = moveId; 22766 args.argi2 = status; 22767 args.arg3 = estMillis; 22768 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 22769 22770 synchronized (mLastStatus) { 22771 mLastStatus.put(moveId, status); 22772 } 22773 } 22774 } 22775 22776 private final static class OnPermissionChangeListeners extends Handler { 22777 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 22778 22779 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 22780 new RemoteCallbackList<>(); 22781 22782 public OnPermissionChangeListeners(Looper looper) { 22783 super(looper); 22784 } 22785 22786 @Override 22787 public void handleMessage(Message msg) { 22788 switch (msg.what) { 22789 case MSG_ON_PERMISSIONS_CHANGED: { 22790 final int uid = msg.arg1; 22791 handleOnPermissionsChanged(uid); 22792 } break; 22793 } 22794 } 22795 22796 public void addListenerLocked(IOnPermissionsChangeListener listener) { 22797 mPermissionListeners.register(listener); 22798 22799 } 22800 22801 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 22802 mPermissionListeners.unregister(listener); 22803 } 22804 22805 public void onPermissionsChanged(int uid) { 22806 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 22807 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 22808 } 22809 } 22810 22811 private void handleOnPermissionsChanged(int uid) { 22812 final int count = mPermissionListeners.beginBroadcast(); 22813 try { 22814 for (int i = 0; i < count; i++) { 22815 IOnPermissionsChangeListener callback = mPermissionListeners 22816 .getBroadcastItem(i); 22817 try { 22818 callback.onPermissionsChanged(uid); 22819 } catch (RemoteException e) { 22820 Log.e(TAG, "Permission listener is dead", e); 22821 } 22822 } 22823 } finally { 22824 mPermissionListeners.finishBroadcast(); 22825 } 22826 } 22827 } 22828 22829 private class PackageManagerInternalImpl extends PackageManagerInternal { 22830 @Override 22831 public void setLocationPackagesProvider(PackagesProvider provider) { 22832 synchronized (mPackages) { 22833 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 22834 } 22835 } 22836 22837 @Override 22838 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 22839 synchronized (mPackages) { 22840 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 22841 } 22842 } 22843 22844 @Override 22845 public void setSmsAppPackagesProvider(PackagesProvider provider) { 22846 synchronized (mPackages) { 22847 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 22848 } 22849 } 22850 22851 @Override 22852 public void setDialerAppPackagesProvider(PackagesProvider provider) { 22853 synchronized (mPackages) { 22854 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 22855 } 22856 } 22857 22858 @Override 22859 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 22860 synchronized (mPackages) { 22861 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 22862 } 22863 } 22864 22865 @Override 22866 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 22867 synchronized (mPackages) { 22868 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 22869 } 22870 } 22871 22872 @Override 22873 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 22874 synchronized (mPackages) { 22875 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 22876 packageName, userId); 22877 } 22878 } 22879 22880 @Override 22881 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 22882 synchronized (mPackages) { 22883 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 22884 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 22885 packageName, userId); 22886 } 22887 } 22888 22889 @Override 22890 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 22891 synchronized (mPackages) { 22892 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 22893 packageName, userId); 22894 } 22895 } 22896 22897 @Override 22898 public void setKeepUninstalledPackages(final List<String> packageList) { 22899 Preconditions.checkNotNull(packageList); 22900 List<String> removedFromList = null; 22901 synchronized (mPackages) { 22902 if (mKeepUninstalledPackages != null) { 22903 final int packagesCount = mKeepUninstalledPackages.size(); 22904 for (int i = 0; i < packagesCount; i++) { 22905 String oldPackage = mKeepUninstalledPackages.get(i); 22906 if (packageList != null && packageList.contains(oldPackage)) { 22907 continue; 22908 } 22909 if (removedFromList == null) { 22910 removedFromList = new ArrayList<>(); 22911 } 22912 removedFromList.add(oldPackage); 22913 } 22914 } 22915 mKeepUninstalledPackages = new ArrayList<>(packageList); 22916 if (removedFromList != null) { 22917 final int removedCount = removedFromList.size(); 22918 for (int i = 0; i < removedCount; i++) { 22919 deletePackageIfUnusedLPr(removedFromList.get(i)); 22920 } 22921 } 22922 } 22923 } 22924 22925 @Override 22926 public boolean isPermissionsReviewRequired(String packageName, int userId) { 22927 synchronized (mPackages) { 22928 // If we do not support permission review, done. 22929 if (!mPermissionReviewRequired) { 22930 return false; 22931 } 22932 22933 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 22934 if (packageSetting == null) { 22935 return false; 22936 } 22937 22938 // Permission review applies only to apps not supporting the new permission model. 22939 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 22940 return false; 22941 } 22942 22943 // Legacy apps have the permission and get user consent on launch. 22944 PermissionsState permissionsState = packageSetting.getPermissionsState(); 22945 return permissionsState.isPermissionReviewRequired(userId); 22946 } 22947 } 22948 22949 @Override 22950 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 22951 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 22952 } 22953 22954 @Override 22955 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 22956 int userId) { 22957 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 22958 } 22959 22960 @Override 22961 public void setDeviceAndProfileOwnerPackages( 22962 int deviceOwnerUserId, String deviceOwnerPackage, 22963 SparseArray<String> profileOwnerPackages) { 22964 mProtectedPackages.setDeviceAndProfileOwnerPackages( 22965 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 22966 } 22967 22968 @Override 22969 public boolean isPackageDataProtected(int userId, String packageName) { 22970 return mProtectedPackages.isPackageDataProtected(userId, packageName); 22971 } 22972 22973 @Override 22974 public boolean isPackageEphemeral(int userId, String packageName) { 22975 synchronized (mPackages) { 22976 final PackageSetting ps = mSettings.mPackages.get(packageName); 22977 return ps != null ? ps.getInstantApp(userId) : false; 22978 } 22979 } 22980 22981 @Override 22982 public boolean wasPackageEverLaunched(String packageName, int userId) { 22983 synchronized (mPackages) { 22984 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 22985 } 22986 } 22987 22988 @Override 22989 public void grantRuntimePermission(String packageName, String name, int userId, 22990 boolean overridePolicy) { 22991 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 22992 overridePolicy); 22993 } 22994 22995 @Override 22996 public void revokeRuntimePermission(String packageName, String name, int userId, 22997 boolean overridePolicy) { 22998 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 22999 overridePolicy); 23000 } 23001 23002 @Override 23003 public String getNameForUid(int uid) { 23004 return PackageManagerService.this.getNameForUid(uid); 23005 } 23006 23007 @Override 23008 public void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 23009 Intent origIntent, String resolvedType, String callingPackage, int userId) { 23010 PackageManagerService.this.requestInstantAppResolutionPhaseTwo( 23011 responseObj, origIntent, resolvedType, callingPackage, userId); 23012 } 23013 23014 @Override 23015 public void grantEphemeralAccess(int userId, Intent intent, 23016 int targetAppId, int ephemeralAppId) { 23017 synchronized (mPackages) { 23018 mInstantAppRegistry.grantInstantAccessLPw(userId, intent, 23019 targetAppId, ephemeralAppId); 23020 } 23021 } 23022 23023 @Override 23024 public void pruneInstantApps() { 23025 synchronized (mPackages) { 23026 mInstantAppRegistry.pruneInstantAppsLPw(); 23027 } 23028 } 23029 23030 @Override 23031 public String getSetupWizardPackageName() { 23032 return mSetupWizardPackage; 23033 } 23034 23035 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 23036 if (policy != null) { 23037 mExternalSourcesPolicy = policy; 23038 } 23039 } 23040 23041 @Override 23042 public boolean isPackagePersistent(String packageName) { 23043 synchronized (mPackages) { 23044 PackageParser.Package pkg = mPackages.get(packageName); 23045 return pkg != null 23046 ? ((pkg.applicationInfo.flags&(ApplicationInfo.FLAG_SYSTEM 23047 | ApplicationInfo.FLAG_PERSISTENT)) == 23048 (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_PERSISTENT)) 23049 : false; 23050 } 23051 } 23052 23053 @Override 23054 public List<PackageInfo> getOverlayPackages(int userId) { 23055 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 23056 synchronized (mPackages) { 23057 for (PackageParser.Package p : mPackages.values()) { 23058 if (p.mOverlayTarget != null) { 23059 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 23060 if (pkg != null) { 23061 overlayPackages.add(pkg); 23062 } 23063 } 23064 } 23065 } 23066 return overlayPackages; 23067 } 23068 23069 @Override 23070 public List<String> getTargetPackageNames(int userId) { 23071 List<String> targetPackages = new ArrayList<>(); 23072 synchronized (mPackages) { 23073 for (PackageParser.Package p : mPackages.values()) { 23074 if (p.mOverlayTarget == null) { 23075 targetPackages.add(p.packageName); 23076 } 23077 } 23078 } 23079 return targetPackages; 23080 } 23081 23082 @Override 23083 public boolean setEnabledOverlayPackages(int userId, @NonNull String targetPackageName, 23084 @Nullable List<String> overlayPackageNames) { 23085 synchronized (mPackages) { 23086 if (targetPackageName == null || mPackages.get(targetPackageName) == null) { 23087 Slog.e(TAG, "failed to find package " + targetPackageName); 23088 return false; 23089 } 23090 23091 ArrayList<String> paths = null; 23092 if (overlayPackageNames != null) { 23093 final int N = overlayPackageNames.size(); 23094 paths = new ArrayList<>(N); 23095 for (int i = 0; i < N; i++) { 23096 final String packageName = overlayPackageNames.get(i); 23097 final PackageParser.Package pkg = mPackages.get(packageName); 23098 if (pkg == null) { 23099 Slog.e(TAG, "failed to find package " + packageName); 23100 return false; 23101 } 23102 paths.add(pkg.baseCodePath); 23103 } 23104 } 23105 23106 ArrayMap<String, ArrayList<String>> userSpecificOverlays = 23107 mEnabledOverlayPaths.get(userId); 23108 if (userSpecificOverlays == null) { 23109 userSpecificOverlays = new ArrayMap<>(); 23110 mEnabledOverlayPaths.put(userId, userSpecificOverlays); 23111 } 23112 23113 if (paths != null && paths.size() > 0) { 23114 userSpecificOverlays.put(targetPackageName, paths); 23115 } else { 23116 userSpecificOverlays.remove(targetPackageName); 23117 } 23118 return true; 23119 } 23120 } 23121 23122 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 23123 int flags, int userId) { 23124 return resolveIntentInternal( 23125 intent, resolvedType, flags, userId, true /*includeInstantApp*/); 23126 } 23127 } 23128 23129 @Override 23130 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 23131 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 23132 synchronized (mPackages) { 23133 final long identity = Binder.clearCallingIdentity(); 23134 try { 23135 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 23136 packageNames, userId); 23137 } finally { 23138 Binder.restoreCallingIdentity(identity); 23139 } 23140 } 23141 } 23142 23143 @Override 23144 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 23145 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 23146 synchronized (mPackages) { 23147 final long identity = Binder.clearCallingIdentity(); 23148 try { 23149 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServicesLPr( 23150 packageNames, userId); 23151 } finally { 23152 Binder.restoreCallingIdentity(identity); 23153 } 23154 } 23155 } 23156 23157 private static void enforceSystemOrPhoneCaller(String tag) { 23158 int callingUid = Binder.getCallingUid(); 23159 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 23160 throw new SecurityException( 23161 "Cannot call " + tag + " from UID " + callingUid); 23162 } 23163 } 23164 23165 boolean isHistoricalPackageUsageAvailable() { 23166 return mPackageUsage.isHistoricalPackageUsageAvailable(); 23167 } 23168 23169 /** 23170 * Return a <b>copy</b> of the collection of packages known to the package manager. 23171 * @return A copy of the values of mPackages. 23172 */ 23173 Collection<PackageParser.Package> getPackages() { 23174 synchronized (mPackages) { 23175 return new ArrayList<>(mPackages.values()); 23176 } 23177 } 23178 23179 /** 23180 * Logs process start information (including base APK hash) to the security log. 23181 * @hide 23182 */ 23183 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 23184 String apkFile, int pid) { 23185 if (!SecurityLog.isLoggingEnabled()) { 23186 return; 23187 } 23188 Bundle data = new Bundle(); 23189 data.putLong("startTimestamp", System.currentTimeMillis()); 23190 data.putString("processName", processName); 23191 data.putInt("uid", uid); 23192 data.putString("seinfo", seinfo); 23193 data.putString("apkFile", apkFile); 23194 data.putInt("pid", pid); 23195 Message msg = mProcessLoggingHandler.obtainMessage( 23196 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 23197 msg.setData(data); 23198 mProcessLoggingHandler.sendMessage(msg); 23199 } 23200 23201 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 23202 return mCompilerStats.getPackageStats(pkgName); 23203 } 23204 23205 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 23206 return getOrCreateCompilerPackageStats(pkg.packageName); 23207 } 23208 23209 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 23210 return mCompilerStats.getOrCreatePackageStats(pkgName); 23211 } 23212 23213 public void deleteCompilerPackageStats(String pkgName) { 23214 mCompilerStats.deletePackageStats(pkgName); 23215 } 23216 23217 @Override 23218 public int getInstallReason(String packageName, int userId) { 23219 enforceCrossUserPermission(Binder.getCallingUid(), userId, 23220 true /* requireFullPermission */, false /* checkShell */, 23221 "get install reason"); 23222 synchronized (mPackages) { 23223 final PackageSetting ps = mSettings.mPackages.get(packageName); 23224 if (ps != null) { 23225 return ps.getInstallReason(userId); 23226 } 23227 } 23228 return PackageManager.INSTALL_REASON_UNKNOWN; 23229 } 23230 23231 @Override 23232 public boolean canRequestPackageInstalls(String packageName, int userId) { 23233 int callingUid = Binder.getCallingUid(); 23234 int uid = getPackageUid(packageName, 0, userId); 23235 if (callingUid != uid && callingUid != Process.ROOT_UID 23236 && callingUid != Process.SYSTEM_UID) { 23237 throw new SecurityException( 23238 "Caller uid " + callingUid + " does not own package " + packageName); 23239 } 23240 ApplicationInfo info = getApplicationInfo(packageName, 0, userId); 23241 if (info == null) { 23242 return false; 23243 } 23244 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 23245 throw new UnsupportedOperationException( 23246 "Operation only supported on apps targeting Android O or higher"); 23247 } 23248 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 23249 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 23250 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 23251 throw new SecurityException("Need to declare " + appOpPermission + " to call this api"); 23252 } 23253 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 23254 return false; 23255 } 23256 if (mExternalSourcesPolicy != null) { 23257 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 23258 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 23259 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 23260 } 23261 } 23262 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 23263 } 23264} 23265