PackageManagerService.java revision 2f2053b939fdd1aee80d7bba531707d56f498c07
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.EphemeralRequest; 132import android.content.pm.EphemeralResolveInfo; 133import android.content.pm.AuxiliaryResolveInfo; 134import android.content.pm.FallbackCategoryProvider; 135import android.content.pm.FeatureInfo; 136import android.content.pm.IOnPermissionsChangeListener; 137import android.content.pm.IPackageDataObserver; 138import android.content.pm.IPackageDeleteObserver; 139import android.content.pm.IPackageDeleteObserver2; 140import android.content.pm.IPackageInstallObserver2; 141import android.content.pm.IPackageInstaller; 142import android.content.pm.IPackageManager; 143import android.content.pm.IPackageMoveObserver; 144import android.content.pm.IPackageStatsObserver; 145import android.content.pm.InstantAppInfo; 146import android.content.pm.InstrumentationInfo; 147import android.content.pm.IntentFilterVerificationInfo; 148import android.content.pm.KeySet; 149import android.content.pm.PackageCleanItem; 150import android.content.pm.PackageInfo; 151import android.content.pm.PackageInfoLite; 152import android.content.pm.PackageInstaller; 153import android.content.pm.PackageManager; 154import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 155import android.content.pm.PackageManagerInternal; 156import android.content.pm.PackageParser; 157import android.content.pm.PackageParser.ActivityIntentInfo; 158import android.content.pm.PackageParser.PackageLite; 159import android.content.pm.PackageParser.PackageParserException; 160import android.content.pm.PackageStats; 161import android.content.pm.PackageUserState; 162import android.content.pm.ParceledListSlice; 163import android.content.pm.PermissionGroupInfo; 164import android.content.pm.PermissionInfo; 165import android.content.pm.ProviderInfo; 166import android.content.pm.ResolveInfo; 167import android.content.pm.SELinuxUtil; 168import android.content.pm.ServiceInfo; 169import android.content.pm.SharedLibraryInfo; 170import android.content.pm.Signature; 171import android.content.pm.UserInfo; 172import android.content.pm.VerifierDeviceIdentity; 173import android.content.pm.VerifierInfo; 174import android.content.pm.VersionedPackage; 175import android.content.res.Resources; 176import android.graphics.Bitmap; 177import android.hardware.display.DisplayManager; 178import android.net.Uri; 179import android.os.Binder; 180import android.os.Build; 181import android.os.Bundle; 182import android.os.Debug; 183import android.os.Environment; 184import android.os.Environment.UserEnvironment; 185import android.os.FileUtils; 186import android.os.Handler; 187import android.os.IBinder; 188import android.os.Looper; 189import android.os.Message; 190import android.os.Parcel; 191import android.os.ParcelFileDescriptor; 192import android.os.PatternMatcher; 193import android.os.Process; 194import android.os.RemoteCallbackList; 195import android.os.RemoteException; 196import android.os.ResultReceiver; 197import android.os.SELinux; 198import android.os.ServiceManager; 199import android.os.ShellCallback; 200import android.os.SystemClock; 201import android.os.SystemProperties; 202import android.os.Trace; 203import android.os.UserHandle; 204import android.os.UserManager; 205import android.os.UserManagerInternal; 206import android.os.storage.IStorageManager; 207import android.os.storage.StorageEventListener; 208import android.os.storage.StorageManager; 209import android.os.storage.StorageManagerInternal; 210import android.os.storage.VolumeInfo; 211import android.os.storage.VolumeRecord; 212import android.provider.Settings.Global; 213import android.provider.Settings.Secure; 214import android.security.KeyStore; 215import android.security.SystemKeyStore; 216import android.service.pm.PackageServiceDumpProto; 217import android.system.ErrnoException; 218import android.system.Os; 219import android.text.TextUtils; 220import android.text.format.DateUtils; 221import android.util.ArrayMap; 222import android.util.ArraySet; 223import android.util.Base64; 224import android.util.DisplayMetrics; 225import android.util.EventLog; 226import android.util.ExceptionUtils; 227import android.util.Log; 228import android.util.LogPrinter; 229import android.util.MathUtils; 230import android.util.PackageUtils; 231import android.util.Pair; 232import android.util.PrintStreamPrinter; 233import android.util.Slog; 234import android.util.SparseArray; 235import android.util.SparseBooleanArray; 236import android.util.SparseIntArray; 237import android.util.Xml; 238import android.util.jar.StrictJarFile; 239import android.util.proto.ProtoOutputStream; 240import android.view.Display; 241 242import com.android.internal.R; 243import com.android.internal.annotations.GuardedBy; 244import com.android.internal.app.IMediaContainerService; 245import com.android.internal.app.ResolverActivity; 246import com.android.internal.content.NativeLibraryHelper; 247import com.android.internal.content.PackageHelper; 248import com.android.internal.logging.MetricsLogger; 249import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 250import com.android.internal.os.IParcelFileDescriptorFactory; 251import com.android.internal.os.RoSystemProperties; 252import com.android.internal.os.SomeArgs; 253import com.android.internal.os.Zygote; 254import com.android.internal.telephony.CarrierAppUtils; 255import com.android.internal.util.ArrayUtils; 256import com.android.internal.util.ConcurrentUtils; 257import com.android.internal.util.FastPrintWriter; 258import com.android.internal.util.FastXmlSerializer; 259import com.android.internal.util.IndentingPrintWriter; 260import com.android.internal.util.Preconditions; 261import com.android.internal.util.XmlUtils; 262import com.android.server.AttributeCache; 263import com.android.server.BackgroundDexOptJobService; 264import com.android.server.DeviceIdleController; 265import com.android.server.EventLogTags; 266import com.android.server.FgThread; 267import com.android.server.IntentResolver; 268import com.android.server.LocalServices; 269import com.android.server.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.Installer.InstallerException; 275import com.android.server.pm.PermissionsState.PermissionState; 276import com.android.server.pm.Settings.DatabaseVersion; 277import com.android.server.pm.Settings.VersionInfo; 278import com.android.server.pm.dex.DexManager; 279import com.android.server.storage.DeviceStorageMonitorInternal; 280 281import dalvik.system.CloseGuard; 282import dalvik.system.DexFile; 283import dalvik.system.VMRuntime; 284 285import libcore.io.IoUtils; 286import libcore.util.EmptyArray; 287 288import org.xmlpull.v1.XmlPullParser; 289import org.xmlpull.v1.XmlPullParserException; 290import org.xmlpull.v1.XmlSerializer; 291 292import java.io.BufferedOutputStream; 293import java.io.BufferedReader; 294import java.io.ByteArrayInputStream; 295import java.io.ByteArrayOutputStream; 296import java.io.File; 297import java.io.FileDescriptor; 298import java.io.FileInputStream; 299import java.io.FileNotFoundException; 300import java.io.FileOutputStream; 301import java.io.FileReader; 302import java.io.FilenameFilter; 303import java.io.IOException; 304import java.io.PrintWriter; 305import java.nio.charset.StandardCharsets; 306import java.security.DigestInputStream; 307import java.security.MessageDigest; 308import java.security.NoSuchAlgorithmException; 309import java.security.PublicKey; 310import java.security.SecureRandom; 311import java.security.cert.Certificate; 312import java.security.cert.CertificateEncodingException; 313import java.security.cert.CertificateException; 314import java.text.SimpleDateFormat; 315import java.util.ArrayList; 316import java.util.Arrays; 317import java.util.Collection; 318import java.util.Collections; 319import java.util.Comparator; 320import java.util.Date; 321import java.util.HashMap; 322import java.util.HashSet; 323import java.util.Iterator; 324import java.util.List; 325import java.util.Map; 326import java.util.Objects; 327import java.util.Set; 328import java.util.concurrent.CountDownLatch; 329import java.util.concurrent.Future; 330import java.util.concurrent.TimeUnit; 331import java.util.concurrent.atomic.AtomicBoolean; 332import java.util.concurrent.atomic.AtomicInteger; 333 334/** 335 * Keep track of all those APKs everywhere. 336 * <p> 337 * Internally there are two important locks: 338 * <ul> 339 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 340 * and other related state. It is a fine-grained lock that should only be held 341 * momentarily, as it's one of the most contended locks in the system. 342 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 343 * operations typically involve heavy lifting of application data on disk. Since 344 * {@code installd} is single-threaded, and it's operations can often be slow, 345 * this lock should never be acquired while already holding {@link #mPackages}. 346 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 347 * holding {@link #mInstallLock}. 348 * </ul> 349 * Many internal methods rely on the caller to hold the appropriate locks, and 350 * this contract is expressed through method name suffixes: 351 * <ul> 352 * <li>fooLI(): the caller must hold {@link #mInstallLock} 353 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 354 * being modified must be frozen 355 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 356 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 357 * </ul> 358 * <p> 359 * Because this class is very central to the platform's security; please run all 360 * CTS and unit tests whenever making modifications: 361 * 362 * <pre> 363 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 364 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 365 * </pre> 366 */ 367public class PackageManagerService extends IPackageManager.Stub { 368 static final String TAG = "PackageManager"; 369 static final boolean DEBUG_SETTINGS = false; 370 static final boolean DEBUG_PREFERRED = false; 371 static final boolean DEBUG_UPGRADE = false; 372 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 373 private static final boolean DEBUG_BACKUP = false; 374 private static final boolean DEBUG_INSTALL = false; 375 private static final boolean DEBUG_REMOVE = false; 376 private static final boolean DEBUG_BROADCASTS = false; 377 private static final boolean DEBUG_SHOW_INFO = false; 378 private static final boolean DEBUG_PACKAGE_INFO = false; 379 private static final boolean DEBUG_INTENT_MATCHING = false; 380 private static final boolean DEBUG_PACKAGE_SCANNING = false; 381 private static final boolean DEBUG_VERIFY = false; 382 private static final boolean DEBUG_FILTERS = false; 383 384 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 385 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 386 // user, but by default initialize to this. 387 public static final boolean DEBUG_DEXOPT = false; 388 389 private static final boolean DEBUG_ABI_SELECTION = false; 390 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 391 private static final boolean DEBUG_TRIAGED_MISSING = false; 392 private static final boolean DEBUG_APP_DATA = false; 393 394 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 395 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 396 397 private static final boolean DISABLE_EPHEMERAL_APPS = false; 398 private static final boolean HIDE_EPHEMERAL_APIS = false; 399 400 private static final boolean ENABLE_FREE_CACHE_V2 = 401 SystemProperties.getBoolean("fw.free_cache_v2", false); 402 403 private static final int RADIO_UID = Process.PHONE_UID; 404 private static final int LOG_UID = Process.LOG_UID; 405 private static final int NFC_UID = Process.NFC_UID; 406 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 407 private static final int SHELL_UID = Process.SHELL_UID; 408 409 // Cap the size of permission trees that 3rd party apps can define 410 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 411 412 // Suffix used during package installation when copying/moving 413 // package apks to install directory. 414 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 415 416 static final int SCAN_NO_DEX = 1<<1; 417 static final int SCAN_FORCE_DEX = 1<<2; 418 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 419 static final int SCAN_NEW_INSTALL = 1<<4; 420 static final int SCAN_UPDATE_TIME = 1<<5; 421 static final int SCAN_BOOTING = 1<<6; 422 static final int SCAN_TRUSTED_OVERLAY = 1<<7; 423 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<8; 424 static final int SCAN_REPLACING = 1<<9; 425 static final int SCAN_REQUIRE_KNOWN = 1<<10; 426 static final int SCAN_MOVE = 1<<11; 427 static final int SCAN_INITIAL = 1<<12; 428 static final int SCAN_CHECK_ONLY = 1<<13; 429 static final int SCAN_DONT_KILL_APP = 1<<14; 430 static final int SCAN_IGNORE_FROZEN = 1<<15; 431 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<16; 432 static final int SCAN_AS_INSTANT_APP = 1<<17; 433 static final int SCAN_AS_FULL_APP = 1<<18; 434 /** Should not be with the scan flags */ 435 static final int FLAGS_REMOVE_CHATTY = 1<<31; 436 437 private static final String STATIC_SHARED_LIB_DELIMITER = "_"; 438 439 private static final int[] EMPTY_INT_ARRAY = new int[0]; 440 441 /** 442 * Timeout (in milliseconds) after which the watchdog should declare that 443 * our handler thread is wedged. The usual default for such things is one 444 * minute but we sometimes do very lengthy I/O operations on this thread, 445 * such as installing multi-gigabyte applications, so ours needs to be longer. 446 */ 447 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 448 449 /** 450 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 451 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 452 * settings entry if available, otherwise we use the hardcoded default. If it's been 453 * more than this long since the last fstrim, we force one during the boot sequence. 454 * 455 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 456 * one gets run at the next available charging+idle time. This final mandatory 457 * no-fstrim check kicks in only of the other scheduling criteria is never met. 458 */ 459 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 460 461 /** 462 * Whether verification is enabled by default. 463 */ 464 private static final boolean DEFAULT_VERIFY_ENABLE = true; 465 466 /** 467 * The default maximum time to wait for the verification agent to return in 468 * milliseconds. 469 */ 470 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 471 472 /** 473 * The default response for package verification timeout. 474 * 475 * This can be either PackageManager.VERIFICATION_ALLOW or 476 * PackageManager.VERIFICATION_REJECT. 477 */ 478 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 479 480 static final String PLATFORM_PACKAGE_NAME = "android"; 481 482 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 483 484 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 485 DEFAULT_CONTAINER_PACKAGE, 486 "com.android.defcontainer.DefaultContainerService"); 487 488 private static final String KILL_APP_REASON_GIDS_CHANGED = 489 "permission grant or revoke changed gids"; 490 491 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 492 "permissions revoked"; 493 494 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 495 496 private static final String PACKAGE_SCHEME = "package"; 497 498 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 499 /** 500 * If VENDOR_OVERLAY_THEME_PROPERTY is set, search for runtime resource overlay APKs also in 501 * VENDOR_OVERLAY_DIR/<value of VENDOR_OVERLAY_THEME_PROPERTY> in addition to 502 * VENDOR_OVERLAY_DIR. 503 */ 504 private static final String VENDOR_OVERLAY_THEME_PROPERTY = "ro.boot.vendor.overlay.theme"; 505 /** 506 * Same as VENDOR_OVERLAY_THEME_PROPERTY, except persistent. If set will override whatever 507 * is in VENDOR_OVERLAY_THEME_PROPERTY. 508 */ 509 private static final String VENDOR_OVERLAY_THEME_PERSIST_PROPERTY 510 = "persist.vendor.overlay.theme"; 511 512 /** Permission grant: not grant the permission. */ 513 private static final int GRANT_DENIED = 1; 514 515 /** Permission grant: grant the permission as an install permission. */ 516 private static final int GRANT_INSTALL = 2; 517 518 /** Permission grant: grant the permission as a runtime one. */ 519 private static final int GRANT_RUNTIME = 3; 520 521 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 522 private static final int GRANT_UPGRADE = 4; 523 524 /** Canonical intent used to identify what counts as a "web browser" app */ 525 private static final Intent sBrowserIntent; 526 static { 527 sBrowserIntent = new Intent(); 528 sBrowserIntent.setAction(Intent.ACTION_VIEW); 529 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 530 sBrowserIntent.setData(Uri.parse("http:")); 531 } 532 533 /** 534 * The set of all protected actions [i.e. those actions for which a high priority 535 * intent filter is disallowed]. 536 */ 537 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 538 static { 539 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 540 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 541 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 542 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 543 } 544 545 // Compilation reasons. 546 public static final int REASON_FIRST_BOOT = 0; 547 public static final int REASON_BOOT = 1; 548 public static final int REASON_INSTALL = 2; 549 public static final int REASON_BACKGROUND_DEXOPT = 3; 550 public static final int REASON_AB_OTA = 4; 551 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 552 public static final int REASON_SHARED_APK = 6; 553 public static final int REASON_FORCED_DEXOPT = 7; 554 public static final int REASON_CORE_APP = 8; 555 556 public static final int REASON_LAST = REASON_CORE_APP; 557 558 /** All dangerous permission names in the same order as the events in MetricsEvent */ 559 private static final List<String> ALL_DANGEROUS_PERMISSIONS = Arrays.asList( 560 Manifest.permission.READ_CALENDAR, 561 Manifest.permission.WRITE_CALENDAR, 562 Manifest.permission.CAMERA, 563 Manifest.permission.READ_CONTACTS, 564 Manifest.permission.WRITE_CONTACTS, 565 Manifest.permission.GET_ACCOUNTS, 566 Manifest.permission.ACCESS_FINE_LOCATION, 567 Manifest.permission.ACCESS_COARSE_LOCATION, 568 Manifest.permission.RECORD_AUDIO, 569 Manifest.permission.READ_PHONE_STATE, 570 Manifest.permission.CALL_PHONE, 571 Manifest.permission.READ_CALL_LOG, 572 Manifest.permission.WRITE_CALL_LOG, 573 Manifest.permission.ADD_VOICEMAIL, 574 Manifest.permission.USE_SIP, 575 Manifest.permission.PROCESS_OUTGOING_CALLS, 576 Manifest.permission.READ_CELL_BROADCASTS, 577 Manifest.permission.BODY_SENSORS, 578 Manifest.permission.SEND_SMS, 579 Manifest.permission.RECEIVE_SMS, 580 Manifest.permission.READ_SMS, 581 Manifest.permission.RECEIVE_WAP_PUSH, 582 Manifest.permission.RECEIVE_MMS, 583 Manifest.permission.READ_EXTERNAL_STORAGE, 584 Manifest.permission.WRITE_EXTERNAL_STORAGE, 585 Manifest.permission.READ_PHONE_NUMBER); 586 587 588 /** 589 * Version number for the package parser cache. Increment this whenever the format or 590 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 591 */ 592 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 593 594 /** 595 * Whether the package parser cache is enabled. 596 */ 597 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 598 599 final ServiceThread mHandlerThread; 600 601 final PackageHandler mHandler; 602 603 private final ProcessLoggingHandler mProcessLoggingHandler; 604 605 /** 606 * Messages for {@link #mHandler} that need to wait for system ready before 607 * being dispatched. 608 */ 609 private ArrayList<Message> mPostSystemReadyMessages; 610 611 final int mSdkVersion = Build.VERSION.SDK_INT; 612 613 final Context mContext; 614 final boolean mFactoryTest; 615 final boolean mOnlyCore; 616 final DisplayMetrics mMetrics; 617 final int mDefParseFlags; 618 final String[] mSeparateProcesses; 619 final boolean mIsUpgrade; 620 final boolean mIsPreNUpgrade; 621 final boolean mIsPreNMR1Upgrade; 622 623 @GuardedBy("mPackages") 624 private boolean mDexOptDialogShown; 625 626 /** The location for ASEC container files on internal storage. */ 627 final String mAsecInternalPath; 628 629 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 630 // LOCK HELD. Can be called with mInstallLock held. 631 @GuardedBy("mInstallLock") 632 final Installer mInstaller; 633 634 /** Directory where installed third-party apps stored */ 635 final File mAppInstallDir; 636 637 /** 638 * Directory to which applications installed internally have their 639 * 32 bit native libraries copied. 640 */ 641 private File mAppLib32InstallDir; 642 643 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 644 // apps. 645 final File mDrmAppPrivateInstallDir; 646 647 // ---------------------------------------------------------------- 648 649 // Lock for state used when installing and doing other long running 650 // operations. Methods that must be called with this lock held have 651 // the suffix "LI". 652 final Object mInstallLock = new Object(); 653 654 // ---------------------------------------------------------------- 655 656 // Keys are String (package name), values are Package. This also serves 657 // as the lock for the global state. Methods that must be called with 658 // this lock held have the prefix "LP". 659 @GuardedBy("mPackages") 660 final ArrayMap<String, PackageParser.Package> mPackages = 661 new ArrayMap<String, PackageParser.Package>(); 662 663 final ArrayMap<String, Set<String>> mKnownCodebase = 664 new ArrayMap<String, Set<String>>(); 665 666 // List of APK paths to load for each user and package. This data is never 667 // persisted by the package manager. Instead, the overlay manager will 668 // ensure the data is up-to-date in runtime. 669 @GuardedBy("mPackages") 670 final SparseArray<ArrayMap<String, ArrayList<String>>> mEnabledOverlayPaths = 671 new SparseArray<ArrayMap<String, ArrayList<String>>>(); 672 673 /** 674 * Tracks new system packages [received in an OTA] that we expect to 675 * find updated user-installed versions. Keys are package name, values 676 * are package location. 677 */ 678 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 679 /** 680 * Tracks high priority intent filters for protected actions. During boot, certain 681 * filter actions are protected and should never be allowed to have a high priority 682 * intent filter for them. However, there is one, and only one exception -- the 683 * setup wizard. It must be able to define a high priority intent filter for these 684 * actions to ensure there are no escapes from the wizard. We need to delay processing 685 * of these during boot as we need to look at all of the system packages in order 686 * to know which component is the setup wizard. 687 */ 688 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 689 /** 690 * Whether or not processing protected filters should be deferred. 691 */ 692 private boolean mDeferProtectedFilters = true; 693 694 /** 695 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 696 */ 697 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 698 /** 699 * Whether or not system app permissions should be promoted from install to runtime. 700 */ 701 boolean mPromoteSystemApps; 702 703 @GuardedBy("mPackages") 704 final Settings mSettings; 705 706 /** 707 * Set of package names that are currently "frozen", which means active 708 * surgery is being done on the code/data for that package. The platform 709 * will refuse to launch frozen packages to avoid race conditions. 710 * 711 * @see PackageFreezer 712 */ 713 @GuardedBy("mPackages") 714 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 715 716 final ProtectedPackages mProtectedPackages; 717 718 boolean mFirstBoot; 719 720 PackageManagerInternal.ExternalSourcesPolicy mExternalSourcesPolicy; 721 722 // System configuration read by SystemConfig. 723 final int[] mGlobalGids; 724 final SparseArray<ArraySet<String>> mSystemPermissions; 725 @GuardedBy("mAvailableFeatures") 726 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 727 728 // If mac_permissions.xml was found for seinfo labeling. 729 boolean mFoundPolicyFile; 730 731 private final InstantAppRegistry mInstantAppRegistry; 732 733 @GuardedBy("mPackages") 734 int mChangedPackagesSequenceNumber; 735 /** 736 * List of changed [installed, removed or updated] packages. 737 * mapping from user id -> sequence number -> package name 738 */ 739 @GuardedBy("mPackages") 740 final SparseArray<SparseArray<String>> mChangedPackages = new SparseArray<>(); 741 /** 742 * The sequence number of the last change to a package. 743 * mapping from user id -> package name -> sequence number 744 */ 745 @GuardedBy("mPackages") 746 final SparseArray<Map<String, Integer>> mChangedPackagesSequenceNumbers = new SparseArray<>(); 747 748 public static final class SharedLibraryEntry { 749 public final String path; 750 public final String apk; 751 public final SharedLibraryInfo info; 752 753 SharedLibraryEntry(String _path, String _apk, String name, int version, int type, 754 String declaringPackageName, int declaringPackageVersionCode) { 755 path = _path; 756 apk = _apk; 757 info = new SharedLibraryInfo(name, version, type, new VersionedPackage( 758 declaringPackageName, declaringPackageVersionCode), null); 759 } 760 } 761 762 // Currently known shared libraries. 763 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mSharedLibraries = new ArrayMap<>(); 764 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mStaticLibsByDeclaringPackage = 765 new ArrayMap<>(); 766 767 // All available activities, for your resolving pleasure. 768 final ActivityIntentResolver mActivities = 769 new ActivityIntentResolver(); 770 771 // All available receivers, for your resolving pleasure. 772 final ActivityIntentResolver mReceivers = 773 new ActivityIntentResolver(); 774 775 // All available services, for your resolving pleasure. 776 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 777 778 // All available providers, for your resolving pleasure. 779 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 780 781 // Mapping from provider base names (first directory in content URI codePath) 782 // to the provider information. 783 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 784 new ArrayMap<String, PackageParser.Provider>(); 785 786 // Mapping from instrumentation class names to info about them. 787 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 788 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 789 790 // Mapping from permission names to info about them. 791 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 792 new ArrayMap<String, PackageParser.PermissionGroup>(); 793 794 // Packages whose data we have transfered into another package, thus 795 // should no longer exist. 796 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 797 798 // Broadcast actions that are only available to the system. 799 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 800 801 /** List of packages waiting for verification. */ 802 final SparseArray<PackageVerificationState> mPendingVerification 803 = new SparseArray<PackageVerificationState>(); 804 805 /** Set of packages associated with each app op permission. */ 806 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 807 808 final PackageInstallerService mInstallerService; 809 810 private final PackageDexOptimizer mPackageDexOptimizer; 811 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 812 // is used by other apps). 813 private final DexManager mDexManager; 814 815 private AtomicInteger mNextMoveId = new AtomicInteger(); 816 private final MoveCallbacks mMoveCallbacks; 817 818 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 819 820 // Cache of users who need badging. 821 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 822 823 /** Token for keys in mPendingVerification. */ 824 private int mPendingVerificationToken = 0; 825 826 volatile boolean mSystemReady; 827 volatile boolean mSafeMode; 828 volatile boolean mHasSystemUidErrors; 829 830 ApplicationInfo mAndroidApplication; 831 final ActivityInfo mResolveActivity = new ActivityInfo(); 832 final ResolveInfo mResolveInfo = new ResolveInfo(); 833 ComponentName mResolveComponentName; 834 PackageParser.Package mPlatformPackage; 835 ComponentName mCustomResolverComponentName; 836 837 boolean mResolverReplaced = false; 838 839 private final @Nullable ComponentName mIntentFilterVerifierComponent; 840 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 841 842 private int mIntentFilterVerificationToken = 0; 843 844 /** The service connection to the ephemeral resolver */ 845 final EphemeralResolverConnection mInstantAppResolverConnection; 846 847 /** Component used to install ephemeral applications */ 848 ComponentName mInstantAppInstallerComponent; 849 final ActivityInfo mInstantAppInstallerActivity = new ActivityInfo(); 850 final ResolveInfo mInstantAppInstallerInfo = new ResolveInfo(); 851 852 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 853 = new SparseArray<IntentFilterVerificationState>(); 854 855 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 856 857 // List of packages names to keep cached, even if they are uninstalled for all users 858 private List<String> mKeepUninstalledPackages; 859 860 private UserManagerInternal mUserManagerInternal; 861 862 private DeviceIdleController.LocalService mDeviceIdleController; 863 864 private File mCacheDir; 865 866 private ArraySet<String> mPrivappPermissionsViolations; 867 868 private Future<?> mPrepareAppDataFuture; 869 870 private static class IFVerificationParams { 871 PackageParser.Package pkg; 872 boolean replacing; 873 int userId; 874 int verifierUid; 875 876 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 877 int _userId, int _verifierUid) { 878 pkg = _pkg; 879 replacing = _replacing; 880 userId = _userId; 881 replacing = _replacing; 882 verifierUid = _verifierUid; 883 } 884 } 885 886 private interface IntentFilterVerifier<T extends IntentFilter> { 887 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 888 T filter, String packageName); 889 void startVerifications(int userId); 890 void receiveVerificationResponse(int verificationId); 891 } 892 893 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 894 private Context mContext; 895 private ComponentName mIntentFilterVerifierComponent; 896 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 897 898 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 899 mContext = context; 900 mIntentFilterVerifierComponent = verifierComponent; 901 } 902 903 private String getDefaultScheme() { 904 return IntentFilter.SCHEME_HTTPS; 905 } 906 907 @Override 908 public void startVerifications(int userId) { 909 // Launch verifications requests 910 int count = mCurrentIntentFilterVerifications.size(); 911 for (int n=0; n<count; n++) { 912 int verificationId = mCurrentIntentFilterVerifications.get(n); 913 final IntentFilterVerificationState ivs = 914 mIntentFilterVerificationStates.get(verificationId); 915 916 String packageName = ivs.getPackageName(); 917 918 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 919 final int filterCount = filters.size(); 920 ArraySet<String> domainsSet = new ArraySet<>(); 921 for (int m=0; m<filterCount; m++) { 922 PackageParser.ActivityIntentInfo filter = filters.get(m); 923 domainsSet.addAll(filter.getHostsList()); 924 } 925 synchronized (mPackages) { 926 if (mSettings.createIntentFilterVerificationIfNeededLPw( 927 packageName, domainsSet) != null) { 928 scheduleWriteSettingsLocked(); 929 } 930 } 931 sendVerificationRequest(userId, verificationId, ivs); 932 } 933 mCurrentIntentFilterVerifications.clear(); 934 } 935 936 private void sendVerificationRequest(int userId, int verificationId, 937 IntentFilterVerificationState ivs) { 938 939 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 940 verificationIntent.putExtra( 941 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 942 verificationId); 943 verificationIntent.putExtra( 944 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 945 getDefaultScheme()); 946 verificationIntent.putExtra( 947 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 948 ivs.getHostsString()); 949 verificationIntent.putExtra( 950 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 951 ivs.getPackageName()); 952 verificationIntent.setComponent(mIntentFilterVerifierComponent); 953 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 954 955 UserHandle user = new UserHandle(userId); 956 mContext.sendBroadcastAsUser(verificationIntent, user); 957 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 958 "Sending IntentFilter verification broadcast"); 959 } 960 961 public void receiveVerificationResponse(int verificationId) { 962 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 963 964 final boolean verified = ivs.isVerified(); 965 966 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 967 final int count = filters.size(); 968 if (DEBUG_DOMAIN_VERIFICATION) { 969 Slog.i(TAG, "Received verification response " + verificationId 970 + " for " + count + " filters, verified=" + verified); 971 } 972 for (int n=0; n<count; n++) { 973 PackageParser.ActivityIntentInfo filter = filters.get(n); 974 filter.setVerified(verified); 975 976 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 977 + " verified with result:" + verified + " and hosts:" 978 + ivs.getHostsString()); 979 } 980 981 mIntentFilterVerificationStates.remove(verificationId); 982 983 final String packageName = ivs.getPackageName(); 984 IntentFilterVerificationInfo ivi = null; 985 986 synchronized (mPackages) { 987 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 988 } 989 if (ivi == null) { 990 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 991 + verificationId + " packageName:" + packageName); 992 return; 993 } 994 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 995 "Updating IntentFilterVerificationInfo for package " + packageName 996 +" verificationId:" + verificationId); 997 998 synchronized (mPackages) { 999 if (verified) { 1000 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 1001 } else { 1002 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 1003 } 1004 scheduleWriteSettingsLocked(); 1005 1006 final int userId = ivs.getUserId(); 1007 if (userId != UserHandle.USER_ALL) { 1008 final int userStatus = 1009 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 1010 1011 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 1012 boolean needUpdate = false; 1013 1014 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 1015 // already been set by the User thru the Disambiguation dialog 1016 switch (userStatus) { 1017 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 1018 if (verified) { 1019 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1020 } else { 1021 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 1022 } 1023 needUpdate = true; 1024 break; 1025 1026 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 1027 if (verified) { 1028 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1029 needUpdate = true; 1030 } 1031 break; 1032 1033 default: 1034 // Nothing to do 1035 } 1036 1037 if (needUpdate) { 1038 mSettings.updateIntentFilterVerificationStatusLPw( 1039 packageName, updatedStatus, userId); 1040 scheduleWritePackageRestrictionsLocked(userId); 1041 } 1042 } 1043 } 1044 } 1045 1046 @Override 1047 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 1048 ActivityIntentInfo filter, String packageName) { 1049 if (!hasValidDomains(filter)) { 1050 return false; 1051 } 1052 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1053 if (ivs == null) { 1054 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1055 packageName); 1056 } 1057 if (DEBUG_DOMAIN_VERIFICATION) { 1058 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1059 } 1060 ivs.addFilter(filter); 1061 return true; 1062 } 1063 1064 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1065 int userId, int verificationId, String packageName) { 1066 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1067 verifierUid, userId, packageName); 1068 ivs.setPendingState(); 1069 synchronized (mPackages) { 1070 mIntentFilterVerificationStates.append(verificationId, ivs); 1071 mCurrentIntentFilterVerifications.add(verificationId); 1072 } 1073 return ivs; 1074 } 1075 } 1076 1077 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1078 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1079 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1080 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1081 } 1082 1083 // Set of pending broadcasts for aggregating enable/disable of components. 1084 static class PendingPackageBroadcasts { 1085 // for each user id, a map of <package name -> components within that package> 1086 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1087 1088 public PendingPackageBroadcasts() { 1089 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1090 } 1091 1092 public ArrayList<String> get(int userId, String packageName) { 1093 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1094 return packages.get(packageName); 1095 } 1096 1097 public void put(int userId, String packageName, ArrayList<String> components) { 1098 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1099 packages.put(packageName, components); 1100 } 1101 1102 public void remove(int userId, String packageName) { 1103 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1104 if (packages != null) { 1105 packages.remove(packageName); 1106 } 1107 } 1108 1109 public void remove(int userId) { 1110 mUidMap.remove(userId); 1111 } 1112 1113 public int userIdCount() { 1114 return mUidMap.size(); 1115 } 1116 1117 public int userIdAt(int n) { 1118 return mUidMap.keyAt(n); 1119 } 1120 1121 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1122 return mUidMap.get(userId); 1123 } 1124 1125 public int size() { 1126 // total number of pending broadcast entries across all userIds 1127 int num = 0; 1128 for (int i = 0; i< mUidMap.size(); i++) { 1129 num += mUidMap.valueAt(i).size(); 1130 } 1131 return num; 1132 } 1133 1134 public void clear() { 1135 mUidMap.clear(); 1136 } 1137 1138 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1139 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1140 if (map == null) { 1141 map = new ArrayMap<String, ArrayList<String>>(); 1142 mUidMap.put(userId, map); 1143 } 1144 return map; 1145 } 1146 } 1147 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1148 1149 // Service Connection to remote media container service to copy 1150 // package uri's from external media onto secure containers 1151 // or internal storage. 1152 private IMediaContainerService mContainerService = null; 1153 1154 static final int SEND_PENDING_BROADCAST = 1; 1155 static final int MCS_BOUND = 3; 1156 static final int END_COPY = 4; 1157 static final int INIT_COPY = 5; 1158 static final int MCS_UNBIND = 6; 1159 static final int START_CLEANING_PACKAGE = 7; 1160 static final int FIND_INSTALL_LOC = 8; 1161 static final int POST_INSTALL = 9; 1162 static final int MCS_RECONNECT = 10; 1163 static final int MCS_GIVE_UP = 11; 1164 static final int UPDATED_MEDIA_STATUS = 12; 1165 static final int WRITE_SETTINGS = 13; 1166 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1167 static final int PACKAGE_VERIFIED = 15; 1168 static final int CHECK_PENDING_VERIFICATION = 16; 1169 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1170 static final int INTENT_FILTER_VERIFIED = 18; 1171 static final int WRITE_PACKAGE_LIST = 19; 1172 static final int INSTANT_APP_RESOLUTION_PHASE_TWO = 20; 1173 1174 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1175 1176 // Delay time in millisecs 1177 static final int BROADCAST_DELAY = 10 * 1000; 1178 1179 static UserManagerService sUserManager; 1180 1181 // Stores a list of users whose package restrictions file needs to be updated 1182 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1183 1184 final private DefaultContainerConnection mDefContainerConn = 1185 new DefaultContainerConnection(); 1186 class DefaultContainerConnection implements ServiceConnection { 1187 public void onServiceConnected(ComponentName name, IBinder service) { 1188 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1189 final IMediaContainerService imcs = IMediaContainerService.Stub 1190 .asInterface(Binder.allowBlocking(service)); 1191 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1192 } 1193 1194 public void onServiceDisconnected(ComponentName name) { 1195 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1196 } 1197 } 1198 1199 // Recordkeeping of restore-after-install operations that are currently in flight 1200 // between the Package Manager and the Backup Manager 1201 static class PostInstallData { 1202 public InstallArgs args; 1203 public PackageInstalledInfo res; 1204 1205 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1206 args = _a; 1207 res = _r; 1208 } 1209 } 1210 1211 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1212 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1213 1214 // XML tags for backup/restore of various bits of state 1215 private static final String TAG_PREFERRED_BACKUP = "pa"; 1216 private static final String TAG_DEFAULT_APPS = "da"; 1217 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1218 1219 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1220 private static final String TAG_ALL_GRANTS = "rt-grants"; 1221 private static final String TAG_GRANT = "grant"; 1222 private static final String ATTR_PACKAGE_NAME = "pkg"; 1223 1224 private static final String TAG_PERMISSION = "perm"; 1225 private static final String ATTR_PERMISSION_NAME = "name"; 1226 private static final String ATTR_IS_GRANTED = "g"; 1227 private static final String ATTR_USER_SET = "set"; 1228 private static final String ATTR_USER_FIXED = "fixed"; 1229 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1230 1231 // System/policy permission grants are not backed up 1232 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1233 FLAG_PERMISSION_POLICY_FIXED 1234 | FLAG_PERMISSION_SYSTEM_FIXED 1235 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1236 1237 // And we back up these user-adjusted states 1238 private static final int USER_RUNTIME_GRANT_MASK = 1239 FLAG_PERMISSION_USER_SET 1240 | FLAG_PERMISSION_USER_FIXED 1241 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1242 1243 final @Nullable String mRequiredVerifierPackage; 1244 final @NonNull String mRequiredInstallerPackage; 1245 final @NonNull String mRequiredUninstallerPackage; 1246 final @Nullable String mSetupWizardPackage; 1247 final @Nullable String mStorageManagerPackage; 1248 final @NonNull String mServicesSystemSharedLibraryPackageName; 1249 final @NonNull String mSharedSystemSharedLibraryPackageName; 1250 1251 final boolean mPermissionReviewRequired; 1252 1253 private final PackageUsage mPackageUsage = new PackageUsage(); 1254 private final CompilerStats mCompilerStats = new CompilerStats(); 1255 1256 class PackageHandler extends Handler { 1257 private boolean mBound = false; 1258 final ArrayList<HandlerParams> mPendingInstalls = 1259 new ArrayList<HandlerParams>(); 1260 1261 private boolean connectToService() { 1262 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1263 " DefaultContainerService"); 1264 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1265 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1266 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1267 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1268 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1269 mBound = true; 1270 return true; 1271 } 1272 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1273 return false; 1274 } 1275 1276 private void disconnectService() { 1277 mContainerService = null; 1278 mBound = false; 1279 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1280 mContext.unbindService(mDefContainerConn); 1281 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1282 } 1283 1284 PackageHandler(Looper looper) { 1285 super(looper); 1286 } 1287 1288 public void handleMessage(Message msg) { 1289 try { 1290 doHandleMessage(msg); 1291 } finally { 1292 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1293 } 1294 } 1295 1296 void doHandleMessage(Message msg) { 1297 switch (msg.what) { 1298 case INIT_COPY: { 1299 HandlerParams params = (HandlerParams) msg.obj; 1300 int idx = mPendingInstalls.size(); 1301 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1302 // If a bind was already initiated we dont really 1303 // need to do anything. The pending install 1304 // will be processed later on. 1305 if (!mBound) { 1306 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1307 System.identityHashCode(mHandler)); 1308 // If this is the only one pending we might 1309 // have to bind to the service again. 1310 if (!connectToService()) { 1311 Slog.e(TAG, "Failed to bind to media container service"); 1312 params.serviceError(); 1313 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1314 System.identityHashCode(mHandler)); 1315 if (params.traceMethod != null) { 1316 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1317 params.traceCookie); 1318 } 1319 return; 1320 } else { 1321 // Once we bind to the service, the first 1322 // pending request will be processed. 1323 mPendingInstalls.add(idx, params); 1324 } 1325 } else { 1326 mPendingInstalls.add(idx, params); 1327 // Already bound to the service. Just make 1328 // sure we trigger off processing the first request. 1329 if (idx == 0) { 1330 mHandler.sendEmptyMessage(MCS_BOUND); 1331 } 1332 } 1333 break; 1334 } 1335 case MCS_BOUND: { 1336 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1337 if (msg.obj != null) { 1338 mContainerService = (IMediaContainerService) msg.obj; 1339 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1340 System.identityHashCode(mHandler)); 1341 } 1342 if (mContainerService == null) { 1343 if (!mBound) { 1344 // Something seriously wrong since we are not bound and we are not 1345 // waiting for connection. Bail out. 1346 Slog.e(TAG, "Cannot bind to media container service"); 1347 for (HandlerParams params : mPendingInstalls) { 1348 // Indicate service bind error 1349 params.serviceError(); 1350 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1351 System.identityHashCode(params)); 1352 if (params.traceMethod != null) { 1353 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1354 params.traceMethod, params.traceCookie); 1355 } 1356 return; 1357 } 1358 mPendingInstalls.clear(); 1359 } else { 1360 Slog.w(TAG, "Waiting to connect to media container service"); 1361 } 1362 } else if (mPendingInstalls.size() > 0) { 1363 HandlerParams params = mPendingInstalls.get(0); 1364 if (params != null) { 1365 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1366 System.identityHashCode(params)); 1367 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1368 if (params.startCopy()) { 1369 // We are done... look for more work or to 1370 // go idle. 1371 if (DEBUG_SD_INSTALL) Log.i(TAG, 1372 "Checking for more work or unbind..."); 1373 // Delete pending install 1374 if (mPendingInstalls.size() > 0) { 1375 mPendingInstalls.remove(0); 1376 } 1377 if (mPendingInstalls.size() == 0) { 1378 if (mBound) { 1379 if (DEBUG_SD_INSTALL) Log.i(TAG, 1380 "Posting delayed MCS_UNBIND"); 1381 removeMessages(MCS_UNBIND); 1382 Message ubmsg = obtainMessage(MCS_UNBIND); 1383 // Unbind after a little delay, to avoid 1384 // continual thrashing. 1385 sendMessageDelayed(ubmsg, 10000); 1386 } 1387 } else { 1388 // There are more pending requests in queue. 1389 // Just post MCS_BOUND message to trigger processing 1390 // of next pending install. 1391 if (DEBUG_SD_INSTALL) Log.i(TAG, 1392 "Posting MCS_BOUND for next work"); 1393 mHandler.sendEmptyMessage(MCS_BOUND); 1394 } 1395 } 1396 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1397 } 1398 } else { 1399 // Should never happen ideally. 1400 Slog.w(TAG, "Empty queue"); 1401 } 1402 break; 1403 } 1404 case MCS_RECONNECT: { 1405 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1406 if (mPendingInstalls.size() > 0) { 1407 if (mBound) { 1408 disconnectService(); 1409 } 1410 if (!connectToService()) { 1411 Slog.e(TAG, "Failed to bind to media container service"); 1412 for (HandlerParams params : mPendingInstalls) { 1413 // Indicate service bind error 1414 params.serviceError(); 1415 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1416 System.identityHashCode(params)); 1417 } 1418 mPendingInstalls.clear(); 1419 } 1420 } 1421 break; 1422 } 1423 case MCS_UNBIND: { 1424 // If there is no actual work left, then time to unbind. 1425 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1426 1427 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1428 if (mBound) { 1429 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1430 1431 disconnectService(); 1432 } 1433 } else if (mPendingInstalls.size() > 0) { 1434 // There are more pending requests in queue. 1435 // Just post MCS_BOUND message to trigger processing 1436 // of next pending install. 1437 mHandler.sendEmptyMessage(MCS_BOUND); 1438 } 1439 1440 break; 1441 } 1442 case MCS_GIVE_UP: { 1443 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1444 HandlerParams params = mPendingInstalls.remove(0); 1445 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1446 System.identityHashCode(params)); 1447 break; 1448 } 1449 case SEND_PENDING_BROADCAST: { 1450 String packages[]; 1451 ArrayList<String> components[]; 1452 int size = 0; 1453 int uids[]; 1454 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1455 synchronized (mPackages) { 1456 if (mPendingBroadcasts == null) { 1457 return; 1458 } 1459 size = mPendingBroadcasts.size(); 1460 if (size <= 0) { 1461 // Nothing to be done. Just return 1462 return; 1463 } 1464 packages = new String[size]; 1465 components = new ArrayList[size]; 1466 uids = new int[size]; 1467 int i = 0; // filling out the above arrays 1468 1469 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1470 int packageUserId = mPendingBroadcasts.userIdAt(n); 1471 Iterator<Map.Entry<String, ArrayList<String>>> it 1472 = mPendingBroadcasts.packagesForUserId(packageUserId) 1473 .entrySet().iterator(); 1474 while (it.hasNext() && i < size) { 1475 Map.Entry<String, ArrayList<String>> ent = it.next(); 1476 packages[i] = ent.getKey(); 1477 components[i] = ent.getValue(); 1478 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1479 uids[i] = (ps != null) 1480 ? UserHandle.getUid(packageUserId, ps.appId) 1481 : -1; 1482 i++; 1483 } 1484 } 1485 size = i; 1486 mPendingBroadcasts.clear(); 1487 } 1488 // Send broadcasts 1489 for (int i = 0; i < size; i++) { 1490 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1491 } 1492 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1493 break; 1494 } 1495 case START_CLEANING_PACKAGE: { 1496 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1497 final String packageName = (String)msg.obj; 1498 final int userId = msg.arg1; 1499 final boolean andCode = msg.arg2 != 0; 1500 synchronized (mPackages) { 1501 if (userId == UserHandle.USER_ALL) { 1502 int[] users = sUserManager.getUserIds(); 1503 for (int user : users) { 1504 mSettings.addPackageToCleanLPw( 1505 new PackageCleanItem(user, packageName, andCode)); 1506 } 1507 } else { 1508 mSettings.addPackageToCleanLPw( 1509 new PackageCleanItem(userId, packageName, andCode)); 1510 } 1511 } 1512 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1513 startCleaningPackages(); 1514 } break; 1515 case POST_INSTALL: { 1516 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1517 1518 PostInstallData data = mRunningInstalls.get(msg.arg1); 1519 final boolean didRestore = (msg.arg2 != 0); 1520 mRunningInstalls.delete(msg.arg1); 1521 1522 if (data != null) { 1523 InstallArgs args = data.args; 1524 PackageInstalledInfo parentRes = data.res; 1525 1526 final boolean grantPermissions = (args.installFlags 1527 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1528 final boolean killApp = (args.installFlags 1529 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1530 final String[] grantedPermissions = args.installGrantPermissions; 1531 1532 // Handle the parent package 1533 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1534 grantedPermissions, didRestore, args.installerPackageName, 1535 args.observer); 1536 1537 // Handle the child packages 1538 final int childCount = (parentRes.addedChildPackages != null) 1539 ? parentRes.addedChildPackages.size() : 0; 1540 for (int i = 0; i < childCount; i++) { 1541 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1542 handlePackagePostInstall(childRes, grantPermissions, killApp, 1543 grantedPermissions, false, args.installerPackageName, 1544 args.observer); 1545 } 1546 1547 // Log tracing if needed 1548 if (args.traceMethod != null) { 1549 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1550 args.traceCookie); 1551 } 1552 } else { 1553 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1554 } 1555 1556 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1557 } break; 1558 case UPDATED_MEDIA_STATUS: { 1559 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1560 boolean reportStatus = msg.arg1 == 1; 1561 boolean doGc = msg.arg2 == 1; 1562 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1563 if (doGc) { 1564 // Force a gc to clear up stale containers. 1565 Runtime.getRuntime().gc(); 1566 } 1567 if (msg.obj != null) { 1568 @SuppressWarnings("unchecked") 1569 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1570 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1571 // Unload containers 1572 unloadAllContainers(args); 1573 } 1574 if (reportStatus) { 1575 try { 1576 if (DEBUG_SD_INSTALL) Log.i(TAG, 1577 "Invoking StorageManagerService call back"); 1578 PackageHelper.getStorageManager().finishMediaUpdate(); 1579 } catch (RemoteException e) { 1580 Log.e(TAG, "StorageManagerService not running?"); 1581 } 1582 } 1583 } break; 1584 case WRITE_SETTINGS: { 1585 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1586 synchronized (mPackages) { 1587 removeMessages(WRITE_SETTINGS); 1588 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1589 mSettings.writeLPr(); 1590 mDirtyUsers.clear(); 1591 } 1592 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1593 } break; 1594 case WRITE_PACKAGE_RESTRICTIONS: { 1595 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1596 synchronized (mPackages) { 1597 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1598 for (int userId : mDirtyUsers) { 1599 mSettings.writePackageRestrictionsLPr(userId); 1600 } 1601 mDirtyUsers.clear(); 1602 } 1603 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1604 } break; 1605 case WRITE_PACKAGE_LIST: { 1606 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1607 synchronized (mPackages) { 1608 removeMessages(WRITE_PACKAGE_LIST); 1609 mSettings.writePackageListLPr(msg.arg1); 1610 } 1611 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1612 } break; 1613 case CHECK_PENDING_VERIFICATION: { 1614 final int verificationId = msg.arg1; 1615 final PackageVerificationState state = mPendingVerification.get(verificationId); 1616 1617 if ((state != null) && !state.timeoutExtended()) { 1618 final InstallArgs args = state.getInstallArgs(); 1619 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1620 1621 Slog.i(TAG, "Verification timed out for " + originUri); 1622 mPendingVerification.remove(verificationId); 1623 1624 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1625 1626 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1627 Slog.i(TAG, "Continuing with installation of " + originUri); 1628 state.setVerifierResponse(Binder.getCallingUid(), 1629 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1630 broadcastPackageVerified(verificationId, originUri, 1631 PackageManager.VERIFICATION_ALLOW, 1632 state.getInstallArgs().getUser()); 1633 try { 1634 ret = args.copyApk(mContainerService, true); 1635 } catch (RemoteException e) { 1636 Slog.e(TAG, "Could not contact the ContainerService"); 1637 } 1638 } else { 1639 broadcastPackageVerified(verificationId, originUri, 1640 PackageManager.VERIFICATION_REJECT, 1641 state.getInstallArgs().getUser()); 1642 } 1643 1644 Trace.asyncTraceEnd( 1645 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1646 1647 processPendingInstall(args, ret); 1648 mHandler.sendEmptyMessage(MCS_UNBIND); 1649 } 1650 break; 1651 } 1652 case PACKAGE_VERIFIED: { 1653 final int verificationId = msg.arg1; 1654 1655 final PackageVerificationState state = mPendingVerification.get(verificationId); 1656 if (state == null) { 1657 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1658 break; 1659 } 1660 1661 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1662 1663 state.setVerifierResponse(response.callerUid, response.code); 1664 1665 if (state.isVerificationComplete()) { 1666 mPendingVerification.remove(verificationId); 1667 1668 final InstallArgs args = state.getInstallArgs(); 1669 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1670 1671 int ret; 1672 if (state.isInstallAllowed()) { 1673 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1674 broadcastPackageVerified(verificationId, originUri, 1675 response.code, state.getInstallArgs().getUser()); 1676 try { 1677 ret = args.copyApk(mContainerService, true); 1678 } catch (RemoteException e) { 1679 Slog.e(TAG, "Could not contact the ContainerService"); 1680 } 1681 } else { 1682 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1683 } 1684 1685 Trace.asyncTraceEnd( 1686 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1687 1688 processPendingInstall(args, ret); 1689 mHandler.sendEmptyMessage(MCS_UNBIND); 1690 } 1691 1692 break; 1693 } 1694 case START_INTENT_FILTER_VERIFICATIONS: { 1695 IFVerificationParams params = (IFVerificationParams) msg.obj; 1696 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1697 params.replacing, params.pkg); 1698 break; 1699 } 1700 case INTENT_FILTER_VERIFIED: { 1701 final int verificationId = msg.arg1; 1702 1703 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1704 verificationId); 1705 if (state == null) { 1706 Slog.w(TAG, "Invalid IntentFilter verification token " 1707 + verificationId + " received"); 1708 break; 1709 } 1710 1711 final int userId = state.getUserId(); 1712 1713 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1714 "Processing IntentFilter verification with token:" 1715 + verificationId + " and userId:" + userId); 1716 1717 final IntentFilterVerificationResponse response = 1718 (IntentFilterVerificationResponse) msg.obj; 1719 1720 state.setVerifierResponse(response.callerUid, response.code); 1721 1722 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1723 "IntentFilter verification with token:" + verificationId 1724 + " and userId:" + userId 1725 + " is settings verifier response with response code:" 1726 + response.code); 1727 1728 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1729 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1730 + response.getFailedDomainsString()); 1731 } 1732 1733 if (state.isVerificationComplete()) { 1734 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1735 } else { 1736 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1737 "IntentFilter verification with token:" + verificationId 1738 + " was not said to be complete"); 1739 } 1740 1741 break; 1742 } 1743 case INSTANT_APP_RESOLUTION_PHASE_TWO: { 1744 EphemeralResolver.doEphemeralResolutionPhaseTwo(mContext, 1745 mInstantAppResolverConnection, 1746 (EphemeralRequest) msg.obj, 1747 mInstantAppInstallerActivity, 1748 mHandler); 1749 } 1750 } 1751 } 1752 } 1753 1754 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1755 boolean killApp, String[] grantedPermissions, 1756 boolean launchedForRestore, String installerPackage, 1757 IPackageInstallObserver2 installObserver) { 1758 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1759 // Send the removed broadcasts 1760 if (res.removedInfo != null) { 1761 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1762 } 1763 1764 // Now that we successfully installed the package, grant runtime 1765 // permissions if requested before broadcasting the install. Also 1766 // for legacy apps in permission review mode we clear the permission 1767 // review flag which is used to emulate runtime permissions for 1768 // legacy apps. 1769 if (grantPermissions) { 1770 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1771 } 1772 1773 final boolean update = res.removedInfo != null 1774 && res.removedInfo.removedPackage != null; 1775 1776 // If this is the first time we have child packages for a disabled privileged 1777 // app that had no children, we grant requested runtime permissions to the new 1778 // children if the parent on the system image had them already granted. 1779 if (res.pkg.parentPackage != null) { 1780 synchronized (mPackages) { 1781 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1782 } 1783 } 1784 1785 synchronized (mPackages) { 1786 mInstantAppRegistry.onPackageInstalledLPw(res.pkg, res.newUsers); 1787 } 1788 1789 final String packageName = res.pkg.applicationInfo.packageName; 1790 1791 // Determine the set of users who are adding this package for 1792 // the first time vs. those who are seeing an update. 1793 int[] firstUsers = EMPTY_INT_ARRAY; 1794 int[] updateUsers = EMPTY_INT_ARRAY; 1795 final boolean allNewUsers = res.origUsers == null || res.origUsers.length == 0; 1796 final PackageSetting ps = (PackageSetting) res.pkg.mExtras; 1797 for (int newUser : res.newUsers) { 1798 if (ps.getInstantApp(newUser)) { 1799 continue; 1800 } 1801 if (allNewUsers) { 1802 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1803 continue; 1804 } 1805 boolean isNew = true; 1806 for (int origUser : res.origUsers) { 1807 if (origUser == newUser) { 1808 isNew = false; 1809 break; 1810 } 1811 } 1812 if (isNew) { 1813 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1814 } else { 1815 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1816 } 1817 } 1818 1819 // Send installed broadcasts if the package is not a static shared lib. 1820 if (res.pkg.staticSharedLibName == null) { 1821 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1822 1823 // Send added for users that see the package for the first time 1824 // sendPackageAddedForNewUsers also deals with system apps 1825 int appId = UserHandle.getAppId(res.uid); 1826 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 1827 sendPackageAddedForNewUsers(packageName, isSystem, appId, firstUsers); 1828 1829 // Send added for users that don't see the package for the first time 1830 Bundle extras = new Bundle(1); 1831 extras.putInt(Intent.EXTRA_UID, res.uid); 1832 if (update) { 1833 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1834 } 1835 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1836 extras, 0 /*flags*/, null /*targetPackage*/, 1837 null /*finishedReceiver*/, updateUsers); 1838 1839 // Send replaced for users that don't see the package for the first time 1840 if (update) { 1841 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1842 packageName, extras, 0 /*flags*/, 1843 null /*targetPackage*/, null /*finishedReceiver*/, 1844 updateUsers); 1845 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1846 null /*package*/, null /*extras*/, 0 /*flags*/, 1847 packageName /*targetPackage*/, 1848 null /*finishedReceiver*/, updateUsers); 1849 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1850 // First-install and we did a restore, so we're responsible for the 1851 // first-launch broadcast. 1852 if (DEBUG_BACKUP) { 1853 Slog.i(TAG, "Post-restore of " + packageName 1854 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1855 } 1856 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1857 } 1858 1859 // Send broadcast package appeared if forward locked/external for all users 1860 // treat asec-hosted packages like removable media on upgrade 1861 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1862 if (DEBUG_INSTALL) { 1863 Slog.i(TAG, "upgrading pkg " + res.pkg 1864 + " is ASEC-hosted -> AVAILABLE"); 1865 } 1866 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1867 ArrayList<String> pkgList = new ArrayList<>(1); 1868 pkgList.add(packageName); 1869 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1870 } 1871 } 1872 1873 // Work that needs to happen on first install within each user 1874 if (firstUsers != null && firstUsers.length > 0) { 1875 synchronized (mPackages) { 1876 for (int userId : firstUsers) { 1877 // If this app is a browser and it's newly-installed for some 1878 // users, clear any default-browser state in those users. The 1879 // app's nature doesn't depend on the user, so we can just check 1880 // its browser nature in any user and generalize. 1881 if (packageIsBrowser(packageName, userId)) { 1882 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1883 } 1884 1885 // We may also need to apply pending (restored) runtime 1886 // permission grants within these users. 1887 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1888 } 1889 } 1890 } 1891 1892 // Log current value of "unknown sources" setting 1893 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1894 getUnknownSourcesSettings()); 1895 1896 // Force a gc to clear up things 1897 Runtime.getRuntime().gc(); 1898 1899 // Remove the replaced package's older resources safely now 1900 // We delete after a gc for applications on sdcard. 1901 if (res.removedInfo != null && res.removedInfo.args != null) { 1902 synchronized (mInstallLock) { 1903 res.removedInfo.args.doPostDeleteLI(true); 1904 } 1905 } 1906 1907 // Notify DexManager that the package was installed for new users. 1908 // The updated users should already be indexed and the package code paths 1909 // should not change. 1910 // Don't notify the manager for ephemeral apps as they are not expected to 1911 // survive long enough to benefit of background optimizations. 1912 for (int userId : firstUsers) { 1913 PackageInfo info = getPackageInfo(packageName, /*flags*/ 0, userId); 1914 mDexManager.notifyPackageInstalled(info, userId); 1915 } 1916 } 1917 1918 // If someone is watching installs - notify them 1919 if (installObserver != null) { 1920 try { 1921 Bundle extras = extrasForInstallResult(res); 1922 installObserver.onPackageInstalled(res.name, res.returnCode, 1923 res.returnMsg, extras); 1924 } catch (RemoteException e) { 1925 Slog.i(TAG, "Observer no longer exists."); 1926 } 1927 } 1928 } 1929 1930 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1931 PackageParser.Package pkg) { 1932 if (pkg.parentPackage == null) { 1933 return; 1934 } 1935 if (pkg.requestedPermissions == null) { 1936 return; 1937 } 1938 final PackageSetting disabledSysParentPs = mSettings 1939 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1940 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1941 || !disabledSysParentPs.isPrivileged() 1942 || (disabledSysParentPs.childPackageNames != null 1943 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1944 return; 1945 } 1946 final int[] allUserIds = sUserManager.getUserIds(); 1947 final int permCount = pkg.requestedPermissions.size(); 1948 for (int i = 0; i < permCount; i++) { 1949 String permission = pkg.requestedPermissions.get(i); 1950 BasePermission bp = mSettings.mPermissions.get(permission); 1951 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1952 continue; 1953 } 1954 for (int userId : allUserIds) { 1955 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1956 permission, userId)) { 1957 grantRuntimePermission(pkg.packageName, permission, userId); 1958 } 1959 } 1960 } 1961 } 1962 1963 private StorageEventListener mStorageListener = new StorageEventListener() { 1964 @Override 1965 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1966 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1967 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1968 final String volumeUuid = vol.getFsUuid(); 1969 1970 // Clean up any users or apps that were removed or recreated 1971 // while this volume was missing 1972 sUserManager.reconcileUsers(volumeUuid); 1973 reconcileApps(volumeUuid); 1974 1975 // Clean up any install sessions that expired or were 1976 // cancelled while this volume was missing 1977 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1978 1979 loadPrivatePackages(vol); 1980 1981 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1982 unloadPrivatePackages(vol); 1983 } 1984 } 1985 1986 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1987 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1988 updateExternalMediaStatus(true, false); 1989 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1990 updateExternalMediaStatus(false, false); 1991 } 1992 } 1993 } 1994 1995 @Override 1996 public void onVolumeForgotten(String fsUuid) { 1997 if (TextUtils.isEmpty(fsUuid)) { 1998 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1999 return; 2000 } 2001 2002 // Remove any apps installed on the forgotten volume 2003 synchronized (mPackages) { 2004 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2005 for (PackageSetting ps : packages) { 2006 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2007 deletePackageVersioned(new VersionedPackage(ps.name, 2008 PackageManager.VERSION_CODE_HIGHEST), 2009 new LegacyPackageDeleteObserver(null).getBinder(), 2010 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2011 // Try very hard to release any references to this package 2012 // so we don't risk the system server being killed due to 2013 // open FDs 2014 AttributeCache.instance().removePackage(ps.name); 2015 } 2016 2017 mSettings.onVolumeForgotten(fsUuid); 2018 mSettings.writeLPr(); 2019 } 2020 } 2021 }; 2022 2023 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2024 String[] grantedPermissions) { 2025 for (int userId : userIds) { 2026 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2027 } 2028 } 2029 2030 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2031 String[] grantedPermissions) { 2032 SettingBase sb = (SettingBase) pkg.mExtras; 2033 if (sb == null) { 2034 return; 2035 } 2036 2037 PermissionsState permissionsState = sb.getPermissionsState(); 2038 2039 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2040 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2041 2042 final boolean supportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 2043 >= Build.VERSION_CODES.M; 2044 2045 for (String permission : pkg.requestedPermissions) { 2046 final BasePermission bp; 2047 synchronized (mPackages) { 2048 bp = mSettings.mPermissions.get(permission); 2049 } 2050 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2051 && (grantedPermissions == null 2052 || ArrayUtils.contains(grantedPermissions, permission))) { 2053 final int flags = permissionsState.getPermissionFlags(permission, userId); 2054 if (supportsRuntimePermissions) { 2055 // Installer cannot change immutable permissions. 2056 if ((flags & immutableFlags) == 0) { 2057 grantRuntimePermission(pkg.packageName, permission, userId); 2058 } 2059 } else if (mPermissionReviewRequired) { 2060 // In permission review mode we clear the review flag when we 2061 // are asked to install the app with all permissions granted. 2062 if ((flags & PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 2063 updatePermissionFlags(permission, pkg.packageName, 2064 PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED, 0, userId); 2065 } 2066 } 2067 } 2068 } 2069 } 2070 2071 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2072 Bundle extras = null; 2073 switch (res.returnCode) { 2074 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2075 extras = new Bundle(); 2076 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2077 res.origPermission); 2078 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2079 res.origPackage); 2080 break; 2081 } 2082 case PackageManager.INSTALL_SUCCEEDED: { 2083 extras = new Bundle(); 2084 extras.putBoolean(Intent.EXTRA_REPLACING, 2085 res.removedInfo != null && res.removedInfo.removedPackage != null); 2086 break; 2087 } 2088 } 2089 return extras; 2090 } 2091 2092 void scheduleWriteSettingsLocked() { 2093 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2094 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2095 } 2096 } 2097 2098 void scheduleWritePackageListLocked(int userId) { 2099 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2100 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2101 msg.arg1 = userId; 2102 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2103 } 2104 } 2105 2106 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2107 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2108 scheduleWritePackageRestrictionsLocked(userId); 2109 } 2110 2111 void scheduleWritePackageRestrictionsLocked(int userId) { 2112 final int[] userIds = (userId == UserHandle.USER_ALL) 2113 ? sUserManager.getUserIds() : new int[]{userId}; 2114 for (int nextUserId : userIds) { 2115 if (!sUserManager.exists(nextUserId)) return; 2116 mDirtyUsers.add(nextUserId); 2117 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2118 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2119 } 2120 } 2121 } 2122 2123 public static PackageManagerService main(Context context, Installer installer, 2124 boolean factoryTest, boolean onlyCore) { 2125 // Self-check for initial settings. 2126 PackageManagerServiceCompilerMapping.checkProperties(); 2127 2128 PackageManagerService m = new PackageManagerService(context, installer, 2129 factoryTest, onlyCore); 2130 m.enableSystemUserPackages(); 2131 ServiceManager.addService("package", m); 2132 return m; 2133 } 2134 2135 private void enableSystemUserPackages() { 2136 if (!UserManager.isSplitSystemUser()) { 2137 return; 2138 } 2139 // For system user, enable apps based on the following conditions: 2140 // - app is whitelisted or belong to one of these groups: 2141 // -- system app which has no launcher icons 2142 // -- system app which has INTERACT_ACROSS_USERS permission 2143 // -- system IME app 2144 // - app is not in the blacklist 2145 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2146 Set<String> enableApps = new ArraySet<>(); 2147 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2148 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2149 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2150 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2151 enableApps.addAll(wlApps); 2152 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2153 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2154 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2155 enableApps.removeAll(blApps); 2156 Log.i(TAG, "Applications installed for system user: " + enableApps); 2157 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2158 UserHandle.SYSTEM); 2159 final int allAppsSize = allAps.size(); 2160 synchronized (mPackages) { 2161 for (int i = 0; i < allAppsSize; i++) { 2162 String pName = allAps.get(i); 2163 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2164 // Should not happen, but we shouldn't be failing if it does 2165 if (pkgSetting == null) { 2166 continue; 2167 } 2168 boolean install = enableApps.contains(pName); 2169 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2170 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2171 + " for system user"); 2172 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2173 } 2174 } 2175 scheduleWritePackageRestrictionsLocked(UserHandle.USER_SYSTEM); 2176 } 2177 } 2178 2179 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2180 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2181 Context.DISPLAY_SERVICE); 2182 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2183 } 2184 2185 /** 2186 * Requests that files preopted on a secondary system partition be copied to the data partition 2187 * if possible. Note that the actual copying of the files is accomplished by init for security 2188 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2189 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2190 */ 2191 private static void requestCopyPreoptedFiles() { 2192 final int WAIT_TIME_MS = 100; 2193 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2194 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2195 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2196 // We will wait for up to 100 seconds. 2197 final long timeStart = SystemClock.uptimeMillis(); 2198 final long timeEnd = timeStart + 100 * 1000; 2199 long timeNow = timeStart; 2200 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2201 try { 2202 Thread.sleep(WAIT_TIME_MS); 2203 } catch (InterruptedException e) { 2204 // Do nothing 2205 } 2206 timeNow = SystemClock.uptimeMillis(); 2207 if (timeNow > timeEnd) { 2208 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2209 Slog.wtf(TAG, "cppreopt did not finish!"); 2210 break; 2211 } 2212 } 2213 2214 Slog.i(TAG, "cppreopts took " + (timeNow - timeStart) + " ms"); 2215 } 2216 } 2217 2218 public PackageManagerService(Context context, Installer installer, 2219 boolean factoryTest, boolean onlyCore) { 2220 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2221 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2222 SystemClock.uptimeMillis()); 2223 2224 if (mSdkVersion <= 0) { 2225 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2226 } 2227 2228 mContext = context; 2229 2230 mPermissionReviewRequired = context.getResources().getBoolean( 2231 R.bool.config_permissionReviewRequired); 2232 2233 mFactoryTest = factoryTest; 2234 mOnlyCore = onlyCore; 2235 mMetrics = new DisplayMetrics(); 2236 mSettings = new Settings(mPackages); 2237 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2238 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2239 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2240 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2241 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2242 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2243 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2244 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2245 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2246 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2247 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2248 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2249 2250 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2251 if (separateProcesses != null && separateProcesses.length() > 0) { 2252 if ("*".equals(separateProcesses)) { 2253 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2254 mSeparateProcesses = null; 2255 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2256 } else { 2257 mDefParseFlags = 0; 2258 mSeparateProcesses = separateProcesses.split(","); 2259 Slog.w(TAG, "Running with debug.separate_processes: " 2260 + separateProcesses); 2261 } 2262 } else { 2263 mDefParseFlags = 0; 2264 mSeparateProcesses = null; 2265 } 2266 2267 mInstaller = installer; 2268 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2269 "*dexopt*"); 2270 mDexManager = new DexManager(this, mPackageDexOptimizer, installer, mInstallLock); 2271 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2272 2273 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2274 FgThread.get().getLooper()); 2275 2276 getDefaultDisplayMetrics(context, mMetrics); 2277 2278 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2279 SystemConfig systemConfig = SystemConfig.getInstance(); 2280 mGlobalGids = systemConfig.getGlobalGids(); 2281 mSystemPermissions = systemConfig.getSystemPermissions(); 2282 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2283 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2284 2285 mProtectedPackages = new ProtectedPackages(mContext); 2286 2287 synchronized (mInstallLock) { 2288 // writer 2289 synchronized (mPackages) { 2290 mHandlerThread = new ServiceThread(TAG, 2291 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2292 mHandlerThread.start(); 2293 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2294 mProcessLoggingHandler = new ProcessLoggingHandler(); 2295 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2296 2297 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2298 mInstantAppRegistry = new InstantAppRegistry(this); 2299 2300 File dataDir = Environment.getDataDirectory(); 2301 mAppInstallDir = new File(dataDir, "app"); 2302 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2303 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2304 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2305 sUserManager = new UserManagerService(context, this, 2306 new UserDataPreparer(mInstaller, mInstallLock, mContext, mOnlyCore), mPackages); 2307 2308 // Propagate permission configuration in to package manager. 2309 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2310 = systemConfig.getPermissions(); 2311 for (int i=0; i<permConfig.size(); i++) { 2312 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2313 BasePermission bp = mSettings.mPermissions.get(perm.name); 2314 if (bp == null) { 2315 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2316 mSettings.mPermissions.put(perm.name, bp); 2317 } 2318 if (perm.gids != null) { 2319 bp.setGids(perm.gids, perm.perUser); 2320 } 2321 } 2322 2323 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2324 final int builtInLibCount = libConfig.size(); 2325 for (int i = 0; i < builtInLibCount; i++) { 2326 String name = libConfig.keyAt(i); 2327 String path = libConfig.valueAt(i); 2328 addSharedLibraryLPw(path, null, name, SharedLibraryInfo.VERSION_UNDEFINED, 2329 SharedLibraryInfo.TYPE_BUILTIN, PLATFORM_PACKAGE_NAME, 0); 2330 } 2331 2332 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2333 2334 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2335 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2336 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2337 2338 // Clean up orphaned packages for which the code path doesn't exist 2339 // and they are an update to a system app - caused by bug/32321269 2340 final int packageSettingCount = mSettings.mPackages.size(); 2341 for (int i = packageSettingCount - 1; i >= 0; i--) { 2342 PackageSetting ps = mSettings.mPackages.valueAt(i); 2343 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2344 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2345 mSettings.mPackages.removeAt(i); 2346 mSettings.enableSystemPackageLPw(ps.name); 2347 } 2348 } 2349 2350 if (mFirstBoot) { 2351 requestCopyPreoptedFiles(); 2352 } 2353 2354 String customResolverActivity = Resources.getSystem().getString( 2355 R.string.config_customResolverActivity); 2356 if (TextUtils.isEmpty(customResolverActivity)) { 2357 customResolverActivity = null; 2358 } else { 2359 mCustomResolverComponentName = ComponentName.unflattenFromString( 2360 customResolverActivity); 2361 } 2362 2363 long startTime = SystemClock.uptimeMillis(); 2364 2365 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2366 startTime); 2367 2368 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2369 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2370 2371 if (bootClassPath == null) { 2372 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2373 } 2374 2375 if (systemServerClassPath == null) { 2376 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2377 } 2378 2379 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2380 final String[] dexCodeInstructionSets = 2381 getDexCodeInstructionSets( 2382 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2383 2384 /** 2385 * Ensure all external libraries have had dexopt run on them. 2386 */ 2387 if (mSharedLibraries.size() > 0) { 2388 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2389 // NOTE: For now, we're compiling these system "shared libraries" 2390 // (and framework jars) into all available architectures. It's possible 2391 // to compile them only when we come across an app that uses them (there's 2392 // already logic for that in scanPackageLI) but that adds some complexity. 2393 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2394 final int libCount = mSharedLibraries.size(); 2395 for (int i = 0; i < libCount; i++) { 2396 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 2397 final int versionCount = versionedLib.size(); 2398 for (int j = 0; j < versionCount; j++) { 2399 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 2400 final String libPath = libEntry.path != null 2401 ? libEntry.path : libEntry.apk; 2402 if (libPath == null) { 2403 continue; 2404 } 2405 try { 2406 // Shared libraries do not have profiles so we perform a full 2407 // AOT compilation (if needed). 2408 int dexoptNeeded = DexFile.getDexOptNeeded( 2409 libPath, dexCodeInstructionSet, 2410 getCompilerFilterForReason(REASON_SHARED_APK), 2411 false /* newProfile */); 2412 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2413 mInstaller.dexopt(libPath, Process.SYSTEM_UID, "*", 2414 dexCodeInstructionSet, dexoptNeeded, null, 2415 DEXOPT_PUBLIC, 2416 getCompilerFilterForReason(REASON_SHARED_APK), 2417 StorageManager.UUID_PRIVATE_INTERNAL, 2418 PackageDexOptimizer.SKIP_SHARED_LIBRARY_CHECK); 2419 } 2420 } catch (FileNotFoundException e) { 2421 Slog.w(TAG, "Library not found: " + libPath); 2422 } catch (IOException | InstallerException e) { 2423 Slog.w(TAG, "Cannot dexopt " + libPath + "; is it an APK or JAR? " 2424 + e.getMessage()); 2425 } 2426 } 2427 } 2428 } 2429 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2430 } 2431 2432 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2433 2434 final VersionInfo ver = mSettings.getInternalVersion(); 2435 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2436 2437 // when upgrading from pre-M, promote system app permissions from install to runtime 2438 mPromoteSystemApps = 2439 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2440 2441 // When upgrading from pre-N, we need to handle package extraction like first boot, 2442 // as there is no profiling data available. 2443 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2444 2445 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2446 2447 // save off the names of pre-existing system packages prior to scanning; we don't 2448 // want to automatically grant runtime permissions for new system apps 2449 if (mPromoteSystemApps) { 2450 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2451 while (pkgSettingIter.hasNext()) { 2452 PackageSetting ps = pkgSettingIter.next(); 2453 if (isSystemApp(ps)) { 2454 mExistingSystemPackages.add(ps.name); 2455 } 2456 } 2457 } 2458 2459 mCacheDir = preparePackageParserCache(mIsUpgrade); 2460 2461 // Set flag to monitor and not change apk file paths when 2462 // scanning install directories. 2463 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2464 2465 if (mIsUpgrade || mFirstBoot) { 2466 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2467 } 2468 2469 // Collect vendor overlay packages. (Do this before scanning any apps.) 2470 // For security and version matching reason, only consider 2471 // overlay packages if they reside in the right directory. 2472 String overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PERSIST_PROPERTY); 2473 if (overlayThemeDir.isEmpty()) { 2474 overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PROPERTY); 2475 } 2476 if (!overlayThemeDir.isEmpty()) { 2477 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR, overlayThemeDir), mDefParseFlags 2478 | PackageParser.PARSE_IS_SYSTEM 2479 | PackageParser.PARSE_IS_SYSTEM_DIR 2480 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2481 } 2482 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2483 | PackageParser.PARSE_IS_SYSTEM 2484 | PackageParser.PARSE_IS_SYSTEM_DIR 2485 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2486 2487 // Find base frameworks (resource packages without code). 2488 scanDirTracedLI(frameworkDir, mDefParseFlags 2489 | PackageParser.PARSE_IS_SYSTEM 2490 | PackageParser.PARSE_IS_SYSTEM_DIR 2491 | PackageParser.PARSE_IS_PRIVILEGED, 2492 scanFlags | SCAN_NO_DEX, 0); 2493 2494 // Collected privileged system packages. 2495 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2496 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2497 | PackageParser.PARSE_IS_SYSTEM 2498 | PackageParser.PARSE_IS_SYSTEM_DIR 2499 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2500 2501 // Collect ordinary system packages. 2502 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2503 scanDirTracedLI(systemAppDir, mDefParseFlags 2504 | PackageParser.PARSE_IS_SYSTEM 2505 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2506 2507 // Collect all vendor packages. 2508 File vendorAppDir = new File("/vendor/app"); 2509 try { 2510 vendorAppDir = vendorAppDir.getCanonicalFile(); 2511 } catch (IOException e) { 2512 // failed to look up canonical path, continue with original one 2513 } 2514 scanDirTracedLI(vendorAppDir, mDefParseFlags 2515 | PackageParser.PARSE_IS_SYSTEM 2516 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2517 2518 // Collect all OEM packages. 2519 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2520 scanDirTracedLI(oemAppDir, mDefParseFlags 2521 | PackageParser.PARSE_IS_SYSTEM 2522 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2523 2524 // Prune any system packages that no longer exist. 2525 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2526 if (!mOnlyCore) { 2527 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2528 while (psit.hasNext()) { 2529 PackageSetting ps = psit.next(); 2530 2531 /* 2532 * If this is not a system app, it can't be a 2533 * disable system app. 2534 */ 2535 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2536 continue; 2537 } 2538 2539 /* 2540 * If the package is scanned, it's not erased. 2541 */ 2542 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2543 if (scannedPkg != null) { 2544 /* 2545 * If the system app is both scanned and in the 2546 * disabled packages list, then it must have been 2547 * added via OTA. Remove it from the currently 2548 * scanned package so the previously user-installed 2549 * application can be scanned. 2550 */ 2551 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2552 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2553 + ps.name + "; removing system app. Last known codePath=" 2554 + ps.codePathString + ", installStatus=" + ps.installStatus 2555 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2556 + scannedPkg.mVersionCode); 2557 removePackageLI(scannedPkg, true); 2558 mExpectingBetter.put(ps.name, ps.codePath); 2559 } 2560 2561 continue; 2562 } 2563 2564 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2565 psit.remove(); 2566 logCriticalInfo(Log.WARN, "System package " + ps.name 2567 + " no longer exists; it's data will be wiped"); 2568 // Actual deletion of code and data will be handled by later 2569 // reconciliation step 2570 } else { 2571 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2572 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2573 possiblyDeletedUpdatedSystemApps.add(ps.name); 2574 } 2575 } 2576 } 2577 } 2578 2579 //look for any incomplete package installations 2580 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2581 for (int i = 0; i < deletePkgsList.size(); i++) { 2582 // Actual deletion of code and data will be handled by later 2583 // reconciliation step 2584 final String packageName = deletePkgsList.get(i).name; 2585 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2586 synchronized (mPackages) { 2587 mSettings.removePackageLPw(packageName); 2588 } 2589 } 2590 2591 //delete tmp files 2592 deleteTempPackageFiles(); 2593 2594 // Remove any shared userIDs that have no associated packages 2595 mSettings.pruneSharedUsersLPw(); 2596 2597 if (!mOnlyCore) { 2598 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2599 SystemClock.uptimeMillis()); 2600 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2601 2602 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2603 | PackageParser.PARSE_FORWARD_LOCK, 2604 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2605 2606 /** 2607 * Remove disable package settings for any updated system 2608 * apps that were removed via an OTA. If they're not a 2609 * previously-updated app, remove them completely. 2610 * Otherwise, just revoke their system-level permissions. 2611 */ 2612 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2613 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2614 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2615 2616 String msg; 2617 if (deletedPkg == null) { 2618 msg = "Updated system package " + deletedAppName 2619 + " no longer exists; it's data will be wiped"; 2620 // Actual deletion of code and data will be handled by later 2621 // reconciliation step 2622 } else { 2623 msg = "Updated system app + " + deletedAppName 2624 + " no longer present; removing system privileges for " 2625 + deletedAppName; 2626 2627 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2628 2629 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2630 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2631 } 2632 logCriticalInfo(Log.WARN, msg); 2633 } 2634 2635 /** 2636 * Make sure all system apps that we expected to appear on 2637 * the userdata partition actually showed up. If they never 2638 * appeared, crawl back and revive the system version. 2639 */ 2640 for (int i = 0; i < mExpectingBetter.size(); i++) { 2641 final String packageName = mExpectingBetter.keyAt(i); 2642 if (!mPackages.containsKey(packageName)) { 2643 final File scanFile = mExpectingBetter.valueAt(i); 2644 2645 logCriticalInfo(Log.WARN, "Expected better " + packageName 2646 + " but never showed up; reverting to system"); 2647 2648 int reparseFlags = mDefParseFlags; 2649 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2650 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2651 | PackageParser.PARSE_IS_SYSTEM_DIR 2652 | PackageParser.PARSE_IS_PRIVILEGED; 2653 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2654 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2655 | PackageParser.PARSE_IS_SYSTEM_DIR; 2656 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2657 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2658 | PackageParser.PARSE_IS_SYSTEM_DIR; 2659 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2660 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2661 | PackageParser.PARSE_IS_SYSTEM_DIR; 2662 } else { 2663 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2664 continue; 2665 } 2666 2667 mSettings.enableSystemPackageLPw(packageName); 2668 2669 try { 2670 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2671 } catch (PackageManagerException e) { 2672 Slog.e(TAG, "Failed to parse original system package: " 2673 + e.getMessage()); 2674 } 2675 } 2676 } 2677 } 2678 mExpectingBetter.clear(); 2679 2680 // Resolve the storage manager. 2681 mStorageManagerPackage = getStorageManagerPackageName(); 2682 2683 // Resolve protected action filters. Only the setup wizard is allowed to 2684 // have a high priority filter for these actions. 2685 mSetupWizardPackage = getSetupWizardPackageName(); 2686 if (mProtectedFilters.size() > 0) { 2687 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2688 Slog.i(TAG, "No setup wizard;" 2689 + " All protected intents capped to priority 0"); 2690 } 2691 for (ActivityIntentInfo filter : mProtectedFilters) { 2692 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2693 if (DEBUG_FILTERS) { 2694 Slog.i(TAG, "Found setup wizard;" 2695 + " allow priority " + filter.getPriority() + ";" 2696 + " package: " + filter.activity.info.packageName 2697 + " activity: " + filter.activity.className 2698 + " priority: " + filter.getPriority()); 2699 } 2700 // skip setup wizard; allow it to keep the high priority filter 2701 continue; 2702 } 2703 Slog.w(TAG, "Protected action; cap priority to 0;" 2704 + " package: " + filter.activity.info.packageName 2705 + " activity: " + filter.activity.className 2706 + " origPrio: " + filter.getPriority()); 2707 filter.setPriority(0); 2708 } 2709 } 2710 mDeferProtectedFilters = false; 2711 mProtectedFilters.clear(); 2712 2713 // Now that we know all of the shared libraries, update all clients to have 2714 // the correct library paths. 2715 updateAllSharedLibrariesLPw(null); 2716 2717 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2718 // NOTE: We ignore potential failures here during a system scan (like 2719 // the rest of the commands above) because there's precious little we 2720 // can do about it. A settings error is reported, though. 2721 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2722 } 2723 2724 // Now that we know all the packages we are keeping, 2725 // read and update their last usage times. 2726 mPackageUsage.read(mPackages); 2727 mCompilerStats.read(); 2728 2729 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2730 SystemClock.uptimeMillis()); 2731 Slog.i(TAG, "Time to scan packages: " 2732 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2733 + " seconds"); 2734 2735 // If the platform SDK has changed since the last time we booted, 2736 // we need to re-grant app permission to catch any new ones that 2737 // appear. This is really a hack, and means that apps can in some 2738 // cases get permissions that the user didn't initially explicitly 2739 // allow... it would be nice to have some better way to handle 2740 // this situation. 2741 int updateFlags = UPDATE_PERMISSIONS_ALL; 2742 if (ver.sdkVersion != mSdkVersion) { 2743 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2744 + mSdkVersion + "; regranting permissions for internal storage"); 2745 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2746 } 2747 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2748 ver.sdkVersion = mSdkVersion; 2749 2750 // If this is the first boot or an update from pre-M, and it is a normal 2751 // boot, then we need to initialize the default preferred apps across 2752 // all defined users. 2753 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2754 for (UserInfo user : sUserManager.getUsers(true)) { 2755 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2756 applyFactoryDefaultBrowserLPw(user.id); 2757 primeDomainVerificationsLPw(user.id); 2758 } 2759 } 2760 2761 // Prepare storage for system user really early during boot, 2762 // since core system apps like SettingsProvider and SystemUI 2763 // can't wait for user to start 2764 final int storageFlags; 2765 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2766 storageFlags = StorageManager.FLAG_STORAGE_DE; 2767 } else { 2768 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2769 } 2770 List<String> deferPackages = reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, 2771 UserHandle.USER_SYSTEM, storageFlags, true /* migrateAppData */, 2772 true /* onlyCoreApps */); 2773 mPrepareAppDataFuture = SystemServerInitThreadPool.get().submit(() -> { 2774 if (deferPackages == null || deferPackages.isEmpty()) { 2775 return; 2776 } 2777 int count = 0; 2778 for (String pkgName : deferPackages) { 2779 PackageParser.Package pkg = null; 2780 synchronized (mPackages) { 2781 PackageSetting ps = mSettings.getPackageLPr(pkgName); 2782 if (ps != null && ps.getInstalled(UserHandle.USER_SYSTEM)) { 2783 pkg = ps.pkg; 2784 } 2785 } 2786 if (pkg != null) { 2787 synchronized (mInstallLock) { 2788 prepareAppDataAndMigrateLIF(pkg, UserHandle.USER_SYSTEM, storageFlags, 2789 true /* maybeMigrateAppData */); 2790 } 2791 count++; 2792 } 2793 } 2794 Slog.i(TAG, "Deferred reconcileAppsData finished " + count + " packages"); 2795 }, "prepareAppData"); 2796 2797 // If this is first boot after an OTA, and a normal boot, then 2798 // we need to clear code cache directories. 2799 // Note that we do *not* clear the application profiles. These remain valid 2800 // across OTAs and are used to drive profile verification (post OTA) and 2801 // profile compilation (without waiting to collect a fresh set of profiles). 2802 if (mIsUpgrade && !onlyCore) { 2803 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2804 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2805 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2806 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2807 // No apps are running this early, so no need to freeze 2808 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2809 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2810 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2811 } 2812 } 2813 ver.fingerprint = Build.FINGERPRINT; 2814 } 2815 2816 checkDefaultBrowser(); 2817 2818 // clear only after permissions and other defaults have been updated 2819 mExistingSystemPackages.clear(); 2820 mPromoteSystemApps = false; 2821 2822 // All the changes are done during package scanning. 2823 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2824 2825 // can downgrade to reader 2826 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2827 mSettings.writeLPr(); 2828 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2829 2830 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2831 // early on (before the package manager declares itself as early) because other 2832 // components in the system server might ask for package contexts for these apps. 2833 // 2834 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2835 // (i.e, that the data partition is unavailable). 2836 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2837 long start = System.nanoTime(); 2838 List<PackageParser.Package> coreApps = new ArrayList<>(); 2839 for (PackageParser.Package pkg : mPackages.values()) { 2840 if (pkg.coreApp) { 2841 coreApps.add(pkg); 2842 } 2843 } 2844 2845 int[] stats = performDexOptUpgrade(coreApps, false, 2846 getCompilerFilterForReason(REASON_CORE_APP)); 2847 2848 final int elapsedTimeSeconds = 2849 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2850 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2851 2852 if (DEBUG_DEXOPT) { 2853 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2854 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2855 } 2856 2857 2858 // TODO: Should we log these stats to tron too ? 2859 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2860 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2861 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2862 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2863 } 2864 2865 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2866 SystemClock.uptimeMillis()); 2867 2868 if (!mOnlyCore) { 2869 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2870 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2871 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2872 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2873 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2874 mIntentFilterVerifierComponent); 2875 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2876 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES, 2877 SharedLibraryInfo.VERSION_UNDEFINED); 2878 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2879 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED, 2880 SharedLibraryInfo.VERSION_UNDEFINED); 2881 } else { 2882 mRequiredVerifierPackage = null; 2883 mRequiredInstallerPackage = null; 2884 mRequiredUninstallerPackage = null; 2885 mIntentFilterVerifierComponent = null; 2886 mIntentFilterVerifier = null; 2887 mServicesSystemSharedLibraryPackageName = null; 2888 mSharedSystemSharedLibraryPackageName = null; 2889 } 2890 2891 mInstallerService = new PackageInstallerService(context, this); 2892 2893 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2894 if (ephemeralResolverComponent != null) { 2895 if (DEBUG_EPHEMERAL) { 2896 Slog.i(TAG, "Ephemeral resolver: " + ephemeralResolverComponent); 2897 } 2898 mInstantAppResolverConnection = 2899 new EphemeralResolverConnection(mContext, ephemeralResolverComponent); 2900 } else { 2901 mInstantAppResolverConnection = null; 2902 } 2903 mInstantAppInstallerComponent = getEphemeralInstallerLPr(); 2904 if (mInstantAppInstallerComponent != null) { 2905 if (DEBUG_EPHEMERAL) { 2906 Slog.i(TAG, "Ephemeral installer: " + mInstantAppInstallerComponent); 2907 } 2908 setUpInstantAppInstallerActivityLP(mInstantAppInstallerComponent); 2909 } 2910 2911 // Read and update the usage of dex files. 2912 // Do this at the end of PM init so that all the packages have their 2913 // data directory reconciled. 2914 // At this point we know the code paths of the packages, so we can validate 2915 // the disk file and build the internal cache. 2916 // The usage file is expected to be small so loading and verifying it 2917 // should take a fairly small time compare to the other activities (e.g. package 2918 // scanning). 2919 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 2920 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 2921 for (int userId : currentUserIds) { 2922 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 2923 } 2924 mDexManager.load(userPackages); 2925 } // synchronized (mPackages) 2926 } // synchronized (mInstallLock) 2927 2928 // Now after opening every single application zip, make sure they 2929 // are all flushed. Not really needed, but keeps things nice and 2930 // tidy. 2931 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2932 Runtime.getRuntime().gc(); 2933 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2934 2935 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 2936 FallbackCategoryProvider.loadFallbacks(); 2937 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2938 2939 // The initial scanning above does many calls into installd while 2940 // holding the mPackages lock, but we're mostly interested in yelling 2941 // once we have a booted system. 2942 mInstaller.setWarnIfHeld(mPackages); 2943 2944 // Expose private service for system components to use. 2945 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2946 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2947 } 2948 2949 private static File preparePackageParserCache(boolean isUpgrade) { 2950 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 2951 return null; 2952 } 2953 2954 // Disable package parsing on eng builds to allow for faster incremental development. 2955 if ("eng".equals(Build.TYPE)) { 2956 return null; 2957 } 2958 2959 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 2960 Slog.i(TAG, "Disabling package parser cache due to system property."); 2961 return null; 2962 } 2963 2964 // The base directory for the package parser cache lives under /data/system/. 2965 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 2966 "package_cache"); 2967 if (cacheBaseDir == null) { 2968 return null; 2969 } 2970 2971 // If this is a system upgrade scenario, delete the contents of the package cache dir. 2972 // This also serves to "GC" unused entries when the package cache version changes (which 2973 // can only happen during upgrades). 2974 if (isUpgrade) { 2975 FileUtils.deleteContents(cacheBaseDir); 2976 } 2977 2978 2979 // Return the versioned package cache directory. This is something like 2980 // "/data/system/package_cache/1" 2981 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2982 2983 // The following is a workaround to aid development on non-numbered userdebug 2984 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 2985 // the system partition is newer. 2986 // 2987 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 2988 // that starts with "eng." to signify that this is an engineering build and not 2989 // destined for release. 2990 if ("userdebug".equals(Build.TYPE) && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 2991 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 2992 2993 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 2994 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 2995 // in general and should not be used for production changes. In this specific case, 2996 // we know that they will work. 2997 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2998 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 2999 FileUtils.deleteContents(cacheBaseDir); 3000 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 3001 } 3002 } 3003 3004 return cacheDir; 3005 } 3006 3007 @Override 3008 public boolean isFirstBoot() { 3009 return mFirstBoot; 3010 } 3011 3012 @Override 3013 public boolean isOnlyCoreApps() { 3014 return mOnlyCore; 3015 } 3016 3017 @Override 3018 public boolean isUpgrade() { 3019 return mIsUpgrade; 3020 } 3021 3022 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 3023 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 3024 3025 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3026 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3027 UserHandle.USER_SYSTEM); 3028 if (matches.size() == 1) { 3029 return matches.get(0).getComponentInfo().packageName; 3030 } else if (matches.size() == 0) { 3031 Log.e(TAG, "There should probably be a verifier, but, none were found"); 3032 return null; 3033 } 3034 throw new RuntimeException("There must be exactly one verifier; found " + matches); 3035 } 3036 3037 private @NonNull String getRequiredSharedLibraryLPr(String name, int version) { 3038 synchronized (mPackages) { 3039 SharedLibraryEntry libraryEntry = getSharedLibraryEntryLPr(name, version); 3040 if (libraryEntry == null) { 3041 throw new IllegalStateException("Missing required shared library:" + name); 3042 } 3043 return libraryEntry.apk; 3044 } 3045 } 3046 3047 private @NonNull String getRequiredInstallerLPr() { 3048 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 3049 intent.addCategory(Intent.CATEGORY_DEFAULT); 3050 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3051 3052 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3053 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3054 UserHandle.USER_SYSTEM); 3055 if (matches.size() == 1) { 3056 ResolveInfo resolveInfo = matches.get(0); 3057 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 3058 throw new RuntimeException("The installer must be a privileged app"); 3059 } 3060 return matches.get(0).getComponentInfo().packageName; 3061 } else { 3062 throw new RuntimeException("There must be exactly one installer; found " + matches); 3063 } 3064 } 3065 3066 private @NonNull String getRequiredUninstallerLPr() { 3067 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 3068 intent.addCategory(Intent.CATEGORY_DEFAULT); 3069 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 3070 3071 final ResolveInfo resolveInfo = resolveIntent(intent, null, 3072 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3073 UserHandle.USER_SYSTEM); 3074 if (resolveInfo == null || 3075 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 3076 throw new RuntimeException("There must be exactly one uninstaller; found " 3077 + resolveInfo); 3078 } 3079 return resolveInfo.getComponentInfo().packageName; 3080 } 3081 3082 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 3083 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 3084 3085 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3086 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3087 UserHandle.USER_SYSTEM); 3088 ResolveInfo best = null; 3089 final int N = matches.size(); 3090 for (int i = 0; i < N; i++) { 3091 final ResolveInfo cur = matches.get(i); 3092 final String packageName = cur.getComponentInfo().packageName; 3093 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 3094 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 3095 continue; 3096 } 3097 3098 if (best == null || cur.priority > best.priority) { 3099 best = cur; 3100 } 3101 } 3102 3103 if (best != null) { 3104 return best.getComponentInfo().getComponentName(); 3105 } else { 3106 throw new RuntimeException("There must be at least one intent filter verifier"); 3107 } 3108 } 3109 3110 private @Nullable ComponentName getEphemeralResolverLPr() { 3111 final String[] packageArray = 3112 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3113 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3114 if (DEBUG_EPHEMERAL) { 3115 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3116 } 3117 return null; 3118 } 3119 3120 final int resolveFlags = 3121 MATCH_DIRECT_BOOT_AWARE 3122 | MATCH_DIRECT_BOOT_UNAWARE 3123 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3124 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 3125 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3126 resolveFlags, UserHandle.USER_SYSTEM); 3127 3128 final int N = resolvers.size(); 3129 if (N == 0) { 3130 if (DEBUG_EPHEMERAL) { 3131 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3132 } 3133 return null; 3134 } 3135 3136 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3137 for (int i = 0; i < N; i++) { 3138 final ResolveInfo info = resolvers.get(i); 3139 3140 if (info.serviceInfo == null) { 3141 continue; 3142 } 3143 3144 final String packageName = info.serviceInfo.packageName; 3145 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3146 if (DEBUG_EPHEMERAL) { 3147 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3148 + " pkg: " + packageName + ", info:" + info); 3149 } 3150 continue; 3151 } 3152 3153 if (DEBUG_EPHEMERAL) { 3154 Slog.v(TAG, "Ephemeral resolver found;" 3155 + " pkg: " + packageName + ", info:" + info); 3156 } 3157 return new ComponentName(packageName, info.serviceInfo.name); 3158 } 3159 if (DEBUG_EPHEMERAL) { 3160 Slog.v(TAG, "Ephemeral resolver NOT found"); 3161 } 3162 return null; 3163 } 3164 3165 private @Nullable ComponentName getEphemeralInstallerLPr() { 3166 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3167 intent.addCategory(Intent.CATEGORY_DEFAULT); 3168 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3169 3170 final int resolveFlags = 3171 MATCH_DIRECT_BOOT_AWARE 3172 | MATCH_DIRECT_BOOT_UNAWARE 3173 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3174 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3175 resolveFlags, UserHandle.USER_SYSTEM); 3176 Iterator<ResolveInfo> iter = matches.iterator(); 3177 while (iter.hasNext()) { 3178 final ResolveInfo rInfo = iter.next(); 3179 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3180 if (ps != null) { 3181 final PermissionsState permissionsState = ps.getPermissionsState(); 3182 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3183 continue; 3184 } 3185 } 3186 iter.remove(); 3187 } 3188 if (matches.size() == 0) { 3189 return null; 3190 } else if (matches.size() == 1) { 3191 return matches.get(0).getComponentInfo().getComponentName(); 3192 } else { 3193 throw new RuntimeException( 3194 "There must be at most one ephemeral installer; found " + matches); 3195 } 3196 } 3197 3198 private void primeDomainVerificationsLPw(int userId) { 3199 if (DEBUG_DOMAIN_VERIFICATION) { 3200 Slog.d(TAG, "Priming domain verifications in user " + userId); 3201 } 3202 3203 SystemConfig systemConfig = SystemConfig.getInstance(); 3204 ArraySet<String> packages = systemConfig.getLinkedApps(); 3205 3206 for (String packageName : packages) { 3207 PackageParser.Package pkg = mPackages.get(packageName); 3208 if (pkg != null) { 3209 if (!pkg.isSystemApp()) { 3210 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3211 continue; 3212 } 3213 3214 ArraySet<String> domains = null; 3215 for (PackageParser.Activity a : pkg.activities) { 3216 for (ActivityIntentInfo filter : a.intents) { 3217 if (hasValidDomains(filter)) { 3218 if (domains == null) { 3219 domains = new ArraySet<String>(); 3220 } 3221 domains.addAll(filter.getHostsList()); 3222 } 3223 } 3224 } 3225 3226 if (domains != null && domains.size() > 0) { 3227 if (DEBUG_DOMAIN_VERIFICATION) { 3228 Slog.v(TAG, " + " + packageName); 3229 } 3230 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3231 // state w.r.t. the formal app-linkage "no verification attempted" state; 3232 // and then 'always' in the per-user state actually used for intent resolution. 3233 final IntentFilterVerificationInfo ivi; 3234 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3235 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3236 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3237 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3238 } else { 3239 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3240 + "' does not handle web links"); 3241 } 3242 } else { 3243 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3244 } 3245 } 3246 3247 scheduleWritePackageRestrictionsLocked(userId); 3248 scheduleWriteSettingsLocked(); 3249 } 3250 3251 private void applyFactoryDefaultBrowserLPw(int userId) { 3252 // The default browser app's package name is stored in a string resource, 3253 // with a product-specific overlay used for vendor customization. 3254 String browserPkg = mContext.getResources().getString( 3255 com.android.internal.R.string.default_browser); 3256 if (!TextUtils.isEmpty(browserPkg)) { 3257 // non-empty string => required to be a known package 3258 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3259 if (ps == null) { 3260 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3261 browserPkg = null; 3262 } else { 3263 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3264 } 3265 } 3266 3267 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3268 // default. If there's more than one, just leave everything alone. 3269 if (browserPkg == null) { 3270 calculateDefaultBrowserLPw(userId); 3271 } 3272 } 3273 3274 private void calculateDefaultBrowserLPw(int userId) { 3275 List<String> allBrowsers = resolveAllBrowserApps(userId); 3276 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3277 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3278 } 3279 3280 private List<String> resolveAllBrowserApps(int userId) { 3281 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3282 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3283 PackageManager.MATCH_ALL, userId); 3284 3285 final int count = list.size(); 3286 List<String> result = new ArrayList<String>(count); 3287 for (int i=0; i<count; i++) { 3288 ResolveInfo info = list.get(i); 3289 if (info.activityInfo == null 3290 || !info.handleAllWebDataURI 3291 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3292 || result.contains(info.activityInfo.packageName)) { 3293 continue; 3294 } 3295 result.add(info.activityInfo.packageName); 3296 } 3297 3298 return result; 3299 } 3300 3301 private boolean packageIsBrowser(String packageName, int userId) { 3302 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3303 PackageManager.MATCH_ALL, userId); 3304 final int N = list.size(); 3305 for (int i = 0; i < N; i++) { 3306 ResolveInfo info = list.get(i); 3307 if (packageName.equals(info.activityInfo.packageName)) { 3308 return true; 3309 } 3310 } 3311 return false; 3312 } 3313 3314 private void checkDefaultBrowser() { 3315 final int myUserId = UserHandle.myUserId(); 3316 final String packageName = getDefaultBrowserPackageName(myUserId); 3317 if (packageName != null) { 3318 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3319 if (info == null) { 3320 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3321 synchronized (mPackages) { 3322 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3323 } 3324 } 3325 } 3326 } 3327 3328 @Override 3329 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3330 throws RemoteException { 3331 try { 3332 return super.onTransact(code, data, reply, flags); 3333 } catch (RuntimeException e) { 3334 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3335 Slog.wtf(TAG, "Package Manager Crash", e); 3336 } 3337 throw e; 3338 } 3339 } 3340 3341 static int[] appendInts(int[] cur, int[] add) { 3342 if (add == null) return cur; 3343 if (cur == null) return add; 3344 final int N = add.length; 3345 for (int i=0; i<N; i++) { 3346 cur = appendInt(cur, add[i]); 3347 } 3348 return cur; 3349 } 3350 3351 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3352 if (!sUserManager.exists(userId)) return null; 3353 if (ps == null) { 3354 return null; 3355 } 3356 final PackageParser.Package p = ps.pkg; 3357 if (p == null) { 3358 return null; 3359 } 3360 // Filter out ephemeral app metadata: 3361 // * The system/shell/root can see metadata for any app 3362 // * An installed app can see metadata for 1) other installed apps 3363 // and 2) ephemeral apps that have explicitly interacted with it 3364 // * Ephemeral apps can only see their own metadata 3365 // * Holding a signature permission allows seeing instant apps 3366 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 3367 if (callingAppId != Process.SYSTEM_UID 3368 && callingAppId != Process.SHELL_UID 3369 && callingAppId != Process.ROOT_UID 3370 && checkUidPermission(Manifest.permission.ACCESS_INSTANT_APPS, 3371 Binder.getCallingUid()) != PackageManager.PERMISSION_GRANTED) { 3372 final String instantAppPackageName = getInstantAppPackageName(Binder.getCallingUid()); 3373 if (instantAppPackageName != null) { 3374 // ephemeral apps can only get information on themselves 3375 if (!instantAppPackageName.equals(p.packageName)) { 3376 return null; 3377 } 3378 } else { 3379 if (ps.getInstantApp(userId)) { 3380 // only get access to the ephemeral app if we've been granted access 3381 if (!mInstantAppRegistry.isInstantAccessGranted( 3382 userId, callingAppId, ps.appId)) { 3383 return null; 3384 } 3385 } 3386 } 3387 } 3388 3389 final PermissionsState permissionsState = ps.getPermissionsState(); 3390 3391 // Compute GIDs only if requested 3392 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3393 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3394 // Compute granted permissions only if package has requested permissions 3395 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3396 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3397 final PackageUserState state = ps.readUserState(userId); 3398 3399 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3400 && ps.isSystem()) { 3401 flags |= MATCH_ANY_USER; 3402 } 3403 3404 PackageInfo packageInfo = PackageParser.generatePackageInfo(p, gids, flags, 3405 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3406 3407 if (packageInfo == null) { 3408 return null; 3409 } 3410 3411 packageInfo.packageName = packageInfo.applicationInfo.packageName = 3412 resolveExternalPackageNameLPr(p); 3413 3414 return packageInfo; 3415 } 3416 3417 @Override 3418 public void checkPackageStartable(String packageName, int userId) { 3419 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3420 3421 synchronized (mPackages) { 3422 final PackageSetting ps = mSettings.mPackages.get(packageName); 3423 if (ps == null) { 3424 throw new SecurityException("Package " + packageName + " was not found!"); 3425 } 3426 3427 if (!ps.getInstalled(userId)) { 3428 throw new SecurityException( 3429 "Package " + packageName + " was not installed for user " + userId + "!"); 3430 } 3431 3432 if (mSafeMode && !ps.isSystem()) { 3433 throw new SecurityException("Package " + packageName + " not a system app!"); 3434 } 3435 3436 if (mFrozenPackages.contains(packageName)) { 3437 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3438 } 3439 3440 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3441 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3442 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3443 } 3444 } 3445 } 3446 3447 @Override 3448 public boolean isPackageAvailable(String packageName, int userId) { 3449 if (!sUserManager.exists(userId)) return false; 3450 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3451 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3452 synchronized (mPackages) { 3453 PackageParser.Package p = mPackages.get(packageName); 3454 if (p != null) { 3455 final PackageSetting ps = (PackageSetting) p.mExtras; 3456 if (ps != null) { 3457 final PackageUserState state = ps.readUserState(userId); 3458 if (state != null) { 3459 return PackageParser.isAvailable(state); 3460 } 3461 } 3462 } 3463 } 3464 return false; 3465 } 3466 3467 @Override 3468 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3469 return getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 3470 flags, userId); 3471 } 3472 3473 @Override 3474 public PackageInfo getPackageInfoVersioned(VersionedPackage versionedPackage, 3475 int flags, int userId) { 3476 return getPackageInfoInternal(versionedPackage.getPackageName(), 3477 // TODO: We will change version code to long, so in the new API it is long 3478 (int) versionedPackage.getVersionCode(), flags, userId); 3479 } 3480 3481 private PackageInfo getPackageInfoInternal(String packageName, int versionCode, 3482 int flags, int userId) { 3483 if (!sUserManager.exists(userId)) return null; 3484 flags = updateFlagsForPackage(flags, userId, packageName); 3485 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3486 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3487 3488 // reader 3489 synchronized (mPackages) { 3490 // Normalize package name to handle renamed packages and static libs 3491 packageName = resolveInternalPackageNameLPr(packageName, versionCode); 3492 3493 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3494 if (matchFactoryOnly) { 3495 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3496 if (ps != null) { 3497 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3498 return null; 3499 } 3500 return generatePackageInfo(ps, flags, userId); 3501 } 3502 } 3503 3504 PackageParser.Package p = mPackages.get(packageName); 3505 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3506 return null; 3507 } 3508 if (DEBUG_PACKAGE_INFO) 3509 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3510 if (p != null) { 3511 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 3512 Binder.getCallingUid(), userId)) { 3513 return null; 3514 } 3515 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3516 } 3517 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3518 final PackageSetting ps = mSettings.mPackages.get(packageName); 3519 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3520 return null; 3521 } 3522 return generatePackageInfo(ps, flags, userId); 3523 } 3524 } 3525 return null; 3526 } 3527 3528 3529 private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId) { 3530 // System/shell/root get to see all static libs 3531 final int appId = UserHandle.getAppId(uid); 3532 if (appId == Process.SYSTEM_UID || appId == Process.SHELL_UID 3533 || appId == Process.ROOT_UID) { 3534 return false; 3535 } 3536 3537 // No package means no static lib as it is always on internal storage 3538 if (ps == null || ps.pkg == null || !ps.pkg.applicationInfo.isStaticSharedLibrary()) { 3539 return false; 3540 } 3541 3542 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(ps.pkg.staticSharedLibName, 3543 ps.pkg.staticSharedLibVersion); 3544 if (libEntry == null) { 3545 return false; 3546 } 3547 3548 final int resolvedUid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); 3549 final String[] uidPackageNames = getPackagesForUid(resolvedUid); 3550 if (uidPackageNames == null) { 3551 return true; 3552 } 3553 3554 for (String uidPackageName : uidPackageNames) { 3555 if (ps.name.equals(uidPackageName)) { 3556 return false; 3557 } 3558 PackageSetting uidPs = mSettings.getPackageLPr(uidPackageName); 3559 if (uidPs != null) { 3560 final int index = ArrayUtils.indexOf(uidPs.usesStaticLibraries, 3561 libEntry.info.getName()); 3562 if (index < 0) { 3563 continue; 3564 } 3565 if (uidPs.pkg.usesStaticLibrariesVersions[index] == libEntry.info.getVersion()) { 3566 return false; 3567 } 3568 } 3569 } 3570 return true; 3571 } 3572 3573 @Override 3574 public String[] currentToCanonicalPackageNames(String[] names) { 3575 String[] out = new String[names.length]; 3576 // reader 3577 synchronized (mPackages) { 3578 for (int i=names.length-1; i>=0; i--) { 3579 PackageSetting ps = mSettings.mPackages.get(names[i]); 3580 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3581 } 3582 } 3583 return out; 3584 } 3585 3586 @Override 3587 public String[] canonicalToCurrentPackageNames(String[] names) { 3588 String[] out = new String[names.length]; 3589 // reader 3590 synchronized (mPackages) { 3591 for (int i=names.length-1; i>=0; i--) { 3592 String cur = mSettings.getRenamedPackageLPr(names[i]); 3593 out[i] = cur != null ? cur : names[i]; 3594 } 3595 } 3596 return out; 3597 } 3598 3599 @Override 3600 public int getPackageUid(String packageName, int flags, int userId) { 3601 if (!sUserManager.exists(userId)) return -1; 3602 flags = updateFlagsForPackage(flags, userId, packageName); 3603 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3604 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3605 3606 // reader 3607 synchronized (mPackages) { 3608 final PackageParser.Package p = mPackages.get(packageName); 3609 if (p != null && p.isMatch(flags)) { 3610 return UserHandle.getUid(userId, p.applicationInfo.uid); 3611 } 3612 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3613 final PackageSetting ps = mSettings.mPackages.get(packageName); 3614 if (ps != null && ps.isMatch(flags)) { 3615 return UserHandle.getUid(userId, ps.appId); 3616 } 3617 } 3618 } 3619 3620 return -1; 3621 } 3622 3623 @Override 3624 public int[] getPackageGids(String packageName, int flags, int userId) { 3625 if (!sUserManager.exists(userId)) return null; 3626 flags = updateFlagsForPackage(flags, userId, packageName); 3627 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3628 false /* requireFullPermission */, false /* checkShell */, 3629 "getPackageGids"); 3630 3631 // reader 3632 synchronized (mPackages) { 3633 final PackageParser.Package p = mPackages.get(packageName); 3634 if (p != null && p.isMatch(flags)) { 3635 PackageSetting ps = (PackageSetting) p.mExtras; 3636 // TODO: Shouldn't this be checking for package installed state for userId and 3637 // return null? 3638 return ps.getPermissionsState().computeGids(userId); 3639 } 3640 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3641 final PackageSetting ps = mSettings.mPackages.get(packageName); 3642 if (ps != null && ps.isMatch(flags)) { 3643 return ps.getPermissionsState().computeGids(userId); 3644 } 3645 } 3646 } 3647 3648 return null; 3649 } 3650 3651 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3652 if (bp.perm != null) { 3653 return PackageParser.generatePermissionInfo(bp.perm, flags); 3654 } 3655 PermissionInfo pi = new PermissionInfo(); 3656 pi.name = bp.name; 3657 pi.packageName = bp.sourcePackage; 3658 pi.nonLocalizedLabel = bp.name; 3659 pi.protectionLevel = bp.protectionLevel; 3660 return pi; 3661 } 3662 3663 @Override 3664 public PermissionInfo getPermissionInfo(String name, int flags) { 3665 // reader 3666 synchronized (mPackages) { 3667 final BasePermission p = mSettings.mPermissions.get(name); 3668 if (p != null) { 3669 return generatePermissionInfo(p, flags); 3670 } 3671 return null; 3672 } 3673 } 3674 3675 @Override 3676 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3677 int flags) { 3678 // reader 3679 synchronized (mPackages) { 3680 if (group != null && !mPermissionGroups.containsKey(group)) { 3681 // This is thrown as NameNotFoundException 3682 return null; 3683 } 3684 3685 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3686 for (BasePermission p : mSettings.mPermissions.values()) { 3687 if (group == null) { 3688 if (p.perm == null || p.perm.info.group == null) { 3689 out.add(generatePermissionInfo(p, flags)); 3690 } 3691 } else { 3692 if (p.perm != null && group.equals(p.perm.info.group)) { 3693 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3694 } 3695 } 3696 } 3697 return new ParceledListSlice<>(out); 3698 } 3699 } 3700 3701 @Override 3702 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3703 // reader 3704 synchronized (mPackages) { 3705 return PackageParser.generatePermissionGroupInfo( 3706 mPermissionGroups.get(name), flags); 3707 } 3708 } 3709 3710 @Override 3711 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3712 // reader 3713 synchronized (mPackages) { 3714 final int N = mPermissionGroups.size(); 3715 ArrayList<PermissionGroupInfo> out 3716 = new ArrayList<PermissionGroupInfo>(N); 3717 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3718 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3719 } 3720 return new ParceledListSlice<>(out); 3721 } 3722 } 3723 3724 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3725 int uid, int userId) { 3726 if (!sUserManager.exists(userId)) return null; 3727 PackageSetting ps = mSettings.mPackages.get(packageName); 3728 if (ps != null) { 3729 if (filterSharedLibPackageLPr(ps, uid, userId)) { 3730 return null; 3731 } 3732 if (ps.pkg == null) { 3733 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3734 if (pInfo != null) { 3735 return pInfo.applicationInfo; 3736 } 3737 return null; 3738 } 3739 ApplicationInfo ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3740 ps.readUserState(userId), userId); 3741 if (ai != null) { 3742 rebaseEnabledOverlays(ai, userId); 3743 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 3744 } 3745 return ai; 3746 } 3747 return null; 3748 } 3749 3750 @Override 3751 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3752 if (!sUserManager.exists(userId)) return null; 3753 flags = updateFlagsForApplication(flags, userId, packageName); 3754 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3755 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3756 3757 // writer 3758 synchronized (mPackages) { 3759 // Normalize package name to handle renamed packages and static libs 3760 packageName = resolveInternalPackageNameLPr(packageName, 3761 PackageManager.VERSION_CODE_HIGHEST); 3762 3763 PackageParser.Package p = mPackages.get(packageName); 3764 if (DEBUG_PACKAGE_INFO) Log.v( 3765 TAG, "getApplicationInfo " + packageName 3766 + ": " + p); 3767 if (p != null) { 3768 PackageSetting ps = mSettings.mPackages.get(packageName); 3769 if (ps == null) return null; 3770 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3771 return null; 3772 } 3773 // Note: isEnabledLP() does not apply here - always return info 3774 ApplicationInfo ai = PackageParser.generateApplicationInfo( 3775 p, flags, ps.readUserState(userId), userId); 3776 if (ai != null) { 3777 rebaseEnabledOverlays(ai, userId); 3778 ai.packageName = resolveExternalPackageNameLPr(p); 3779 } 3780 return ai; 3781 } 3782 if ("android".equals(packageName)||"system".equals(packageName)) { 3783 return mAndroidApplication; 3784 } 3785 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3786 // Already generates the external package name 3787 return generateApplicationInfoFromSettingsLPw(packageName, 3788 Binder.getCallingUid(), flags, userId); 3789 } 3790 } 3791 return null; 3792 } 3793 3794 private void rebaseEnabledOverlays(@NonNull ApplicationInfo ai, int userId) { 3795 List<String> paths = new ArrayList<>(); 3796 ArrayMap<String, ArrayList<String>> userSpecificOverlays = 3797 mEnabledOverlayPaths.get(userId); 3798 if (userSpecificOverlays != null) { 3799 if (!"android".equals(ai.packageName)) { 3800 ArrayList<String> frameworkOverlays = userSpecificOverlays.get("android"); 3801 if (frameworkOverlays != null) { 3802 paths.addAll(frameworkOverlays); 3803 } 3804 } 3805 3806 ArrayList<String> appOverlays = userSpecificOverlays.get(ai.packageName); 3807 if (appOverlays != null) { 3808 paths.addAll(appOverlays); 3809 } 3810 } 3811 ai.resourceDirs = paths.size() > 0 ? paths.toArray(new String[paths.size()]) : null; 3812 } 3813 3814 private String normalizePackageNameLPr(String packageName) { 3815 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 3816 return normalizedPackageName != null ? normalizedPackageName : packageName; 3817 } 3818 3819 @Override 3820 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3821 final IPackageDataObserver observer) { 3822 mContext.enforceCallingOrSelfPermission( 3823 android.Manifest.permission.CLEAR_APP_CACHE, null); 3824 mHandler.post(() -> { 3825 boolean success = false; 3826 try { 3827 freeStorage(volumeUuid, freeStorageSize, 0); 3828 success = true; 3829 } catch (IOException e) { 3830 Slog.w(TAG, e); 3831 } 3832 if (observer != null) { 3833 try { 3834 observer.onRemoveCompleted(null, success); 3835 } catch (RemoteException e) { 3836 Slog.w(TAG, e); 3837 } 3838 } 3839 }); 3840 } 3841 3842 @Override 3843 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3844 final IntentSender pi) { 3845 mContext.enforceCallingOrSelfPermission( 3846 android.Manifest.permission.CLEAR_APP_CACHE, TAG); 3847 mHandler.post(() -> { 3848 boolean success = false; 3849 try { 3850 freeStorage(volumeUuid, freeStorageSize, 0); 3851 success = true; 3852 } catch (IOException e) { 3853 Slog.w(TAG, e); 3854 } 3855 if (pi != null) { 3856 try { 3857 pi.sendIntent(null, success ? 1 : 0, null, null, null); 3858 } catch (SendIntentException e) { 3859 Slog.w(TAG, e); 3860 } 3861 } 3862 }); 3863 } 3864 3865 /** 3866 * Blocking call to clear various types of cached data across the system 3867 * until the requested bytes are available. 3868 */ 3869 public void freeStorage(String volumeUuid, long bytes, int storageFlags) throws IOException { 3870 final StorageManager storage = mContext.getSystemService(StorageManager.class); 3871 final File file = storage.findPathForUuid(volumeUuid); 3872 3873 if (ENABLE_FREE_CACHE_V2) { 3874 final boolean aggressive = (storageFlags 3875 & StorageManager.FLAG_ALLOCATE_AGGRESSIVE) != 0; 3876 3877 // 1. Pre-flight to determine if we have any chance to succeed 3878 // 2. Consider preloaded data (after 1w honeymoon, unless aggressive) 3879 3880 // 3. Consider parsed APK data (aggressive only) 3881 if (aggressive) { 3882 FileUtils.deleteContents(mCacheDir); 3883 } 3884 if (file.getUsableSpace() >= bytes) return; 3885 3886 // 4. Consider cached app data (above quotas) 3887 try { 3888 mInstaller.freeCache(volumeUuid, bytes, Installer.FLAG_FREE_CACHE_V2); 3889 } catch (InstallerException ignored) { 3890 } 3891 if (file.getUsableSpace() >= bytes) return; 3892 3893 // 5. Consider shared libraries with refcount=0 and age>2h 3894 // 6. Consider dexopt output (aggressive only) 3895 // 7. Consider ephemeral apps not used in last week 3896 3897 // 8. Consider cached app data (below quotas) 3898 try { 3899 mInstaller.freeCache(volumeUuid, bytes, Installer.FLAG_FREE_CACHE_V2 3900 | Installer.FLAG_FREE_CACHE_V2_DEFY_QUOTA); 3901 } catch (InstallerException ignored) { 3902 } 3903 if (file.getUsableSpace() >= bytes) return; 3904 3905 // 9. Consider DropBox entries 3906 // 10. Consider ephemeral cookies 3907 3908 } else { 3909 try { 3910 mInstaller.freeCache(volumeUuid, bytes, 0); 3911 } catch (InstallerException ignored) { 3912 } 3913 if (file.getUsableSpace() >= bytes) return; 3914 } 3915 3916 throw new IOException("Failed to free " + bytes + " on storage device at " + file); 3917 } 3918 3919 /** 3920 * Update given flags based on encryption status of current user. 3921 */ 3922 private int updateFlags(int flags, int userId) { 3923 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3924 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3925 // Caller expressed an explicit opinion about what encryption 3926 // aware/unaware components they want to see, so fall through and 3927 // give them what they want 3928 } else { 3929 // Caller expressed no opinion, so match based on user state 3930 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3931 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3932 } else { 3933 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3934 } 3935 } 3936 return flags; 3937 } 3938 3939 private UserManagerInternal getUserManagerInternal() { 3940 if (mUserManagerInternal == null) { 3941 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3942 } 3943 return mUserManagerInternal; 3944 } 3945 3946 private DeviceIdleController.LocalService getDeviceIdleController() { 3947 if (mDeviceIdleController == null) { 3948 mDeviceIdleController = 3949 LocalServices.getService(DeviceIdleController.LocalService.class); 3950 } 3951 return mDeviceIdleController; 3952 } 3953 3954 /** 3955 * Update given flags when being used to request {@link PackageInfo}. 3956 */ 3957 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3958 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 3959 boolean triaged = true; 3960 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3961 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3962 // Caller is asking for component details, so they'd better be 3963 // asking for specific encryption matching behavior, or be triaged 3964 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3965 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3966 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3967 triaged = false; 3968 } 3969 } 3970 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3971 | PackageManager.MATCH_SYSTEM_ONLY 3972 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3973 triaged = false; 3974 } 3975 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 3976 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 3977 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 3978 + Debug.getCallers(5)); 3979 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 3980 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 3981 // If the caller wants all packages and has a restricted profile associated with it, 3982 // then match all users. This is to make sure that launchers that need to access work 3983 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 3984 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 3985 flags |= PackageManager.MATCH_ANY_USER; 3986 } 3987 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3988 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3989 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3990 } 3991 return updateFlags(flags, userId); 3992 } 3993 3994 /** 3995 * Update given flags when being used to request {@link ApplicationInfo}. 3996 */ 3997 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3998 return updateFlagsForPackage(flags, userId, cookie); 3999 } 4000 4001 /** 4002 * Update given flags when being used to request {@link ComponentInfo}. 4003 */ 4004 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 4005 if (cookie instanceof Intent) { 4006 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 4007 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 4008 } 4009 } 4010 4011 boolean triaged = true; 4012 // Caller is asking for component details, so they'd better be 4013 // asking for specific encryption matching behavior, or be triaged 4014 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4015 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4016 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4017 triaged = false; 4018 } 4019 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4020 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4021 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4022 } 4023 4024 return updateFlags(flags, userId); 4025 } 4026 4027 /** 4028 * Update given intent when being used to request {@link ResolveInfo}. 4029 */ 4030 private Intent updateIntentForResolve(Intent intent) { 4031 if (intent.getSelector() != null) { 4032 intent = intent.getSelector(); 4033 } 4034 if (DEBUG_PREFERRED) { 4035 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4036 } 4037 return intent; 4038 } 4039 4040 /** 4041 * Update given flags when being used to request {@link ResolveInfo}. 4042 * <p>Instant apps are resolved specially, depending upon context. Minimally, 4043 * {@code}flags{@code} must have the {@link PackageManager#MATCH_INSTANT} 4044 * flag set. However, this flag is only honoured in three circumstances: 4045 * <ul> 4046 * <li>when called from a system process</li> 4047 * <li>when the caller holds the permission {@code android.permission.ACCESS_INSTANT_APPS}</li> 4048 * <li>when resolution occurs to start an activity with a {@code android.intent.action.VIEW} 4049 * action and a {@code android.intent.category.BROWSABLE} category</li> 4050 * </ul> 4051 */ 4052 int updateFlagsForResolve(int flags, int userId, Intent intent, boolean includeInstantApp) { 4053 // Safe mode means we shouldn't match any third-party components 4054 if (mSafeMode) { 4055 flags |= PackageManager.MATCH_SYSTEM_ONLY; 4056 } 4057 final int callingUid = Binder.getCallingUid(); 4058 if (getInstantAppPackageName(callingUid) != null) { 4059 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 4060 flags |= PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4061 flags |= PackageManager.MATCH_INSTANT; 4062 } else { 4063 // Otherwise, prevent leaking ephemeral components 4064 final boolean isSpecialProcess = 4065 callingUid == Process.SYSTEM_UID 4066 || callingUid == Process.SHELL_UID 4067 || callingUid == 0; 4068 final boolean allowMatchInstant = 4069 (includeInstantApp 4070 && Intent.ACTION_VIEW.equals(intent.getAction()) 4071 && intent.hasCategory(Intent.CATEGORY_BROWSABLE) 4072 && hasWebURI(intent)) 4073 || isSpecialProcess 4074 || mContext.checkCallingOrSelfPermission( 4075 android.Manifest.permission.ACCESS_INSTANT_APPS) == PERMISSION_GRANTED; 4076 flags &= ~PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4077 if (!allowMatchInstant) { 4078 flags &= ~PackageManager.MATCH_INSTANT; 4079 } 4080 } 4081 return updateFlagsForComponent(flags, userId, intent /*cookie*/); 4082 } 4083 4084 @Override 4085 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 4086 if (!sUserManager.exists(userId)) return null; 4087 flags = updateFlagsForComponent(flags, userId, component); 4088 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4089 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 4090 synchronized (mPackages) { 4091 PackageParser.Activity a = mActivities.mActivities.get(component); 4092 4093 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 4094 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4095 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4096 if (ps == null) return null; 4097 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 4098 userId); 4099 } 4100 if (mResolveComponentName.equals(component)) { 4101 return PackageParser.generateActivityInfo(mResolveActivity, flags, 4102 new PackageUserState(), userId); 4103 } 4104 } 4105 return null; 4106 } 4107 4108 @Override 4109 public boolean activitySupportsIntent(ComponentName component, Intent intent, 4110 String resolvedType) { 4111 synchronized (mPackages) { 4112 if (component.equals(mResolveComponentName)) { 4113 // The resolver supports EVERYTHING! 4114 return true; 4115 } 4116 PackageParser.Activity a = mActivities.mActivities.get(component); 4117 if (a == null) { 4118 return false; 4119 } 4120 for (int i=0; i<a.intents.size(); i++) { 4121 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 4122 intent.getData(), intent.getCategories(), TAG) >= 0) { 4123 return true; 4124 } 4125 } 4126 return false; 4127 } 4128 } 4129 4130 @Override 4131 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 4132 if (!sUserManager.exists(userId)) return null; 4133 flags = updateFlagsForComponent(flags, userId, component); 4134 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4135 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 4136 synchronized (mPackages) { 4137 PackageParser.Activity a = mReceivers.mActivities.get(component); 4138 if (DEBUG_PACKAGE_INFO) Log.v( 4139 TAG, "getReceiverInfo " + component + ": " + a); 4140 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4141 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4142 if (ps == null) return null; 4143 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 4144 userId); 4145 } 4146 } 4147 return null; 4148 } 4149 4150 @Override 4151 public ParceledListSlice<SharedLibraryInfo> getSharedLibraries(int flags, int userId) { 4152 if (!sUserManager.exists(userId)) return null; 4153 Preconditions.checkArgumentNonnegative(userId, "userId must be >= 0"); 4154 4155 flags = updateFlagsForPackage(flags, userId, null); 4156 4157 final boolean canSeeStaticLibraries = 4158 mContext.checkCallingOrSelfPermission(INSTALL_PACKAGES) 4159 == PERMISSION_GRANTED 4160 || mContext.checkCallingOrSelfPermission(DELETE_PACKAGES) 4161 == PERMISSION_GRANTED 4162 || mContext.checkCallingOrSelfPermission(REQUEST_INSTALL_PACKAGES) 4163 == PERMISSION_GRANTED 4164 || mContext.checkCallingOrSelfPermission(REQUEST_DELETE_PACKAGES) 4165 == PERMISSION_GRANTED; 4166 4167 synchronized (mPackages) { 4168 List<SharedLibraryInfo> result = null; 4169 4170 final int libCount = mSharedLibraries.size(); 4171 for (int i = 0; i < libCount; i++) { 4172 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4173 if (versionedLib == null) { 4174 continue; 4175 } 4176 4177 final int versionCount = versionedLib.size(); 4178 for (int j = 0; j < versionCount; j++) { 4179 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4180 if (!canSeeStaticLibraries && libInfo.isStatic()) { 4181 break; 4182 } 4183 final long identity = Binder.clearCallingIdentity(); 4184 try { 4185 // TODO: We will change version code to long, so in the new API it is long 4186 PackageInfo packageInfo = getPackageInfoVersioned( 4187 libInfo.getDeclaringPackage(), flags, userId); 4188 if (packageInfo == null) { 4189 continue; 4190 } 4191 } finally { 4192 Binder.restoreCallingIdentity(identity); 4193 } 4194 4195 SharedLibraryInfo resLibInfo = new SharedLibraryInfo(libInfo.getName(), 4196 libInfo.getVersion(), libInfo.getType(), libInfo.getDeclaringPackage(), 4197 getPackagesUsingSharedLibraryLPr(libInfo, flags, userId)); 4198 4199 if (result == null) { 4200 result = new ArrayList<>(); 4201 } 4202 result.add(resLibInfo); 4203 } 4204 } 4205 4206 return result != null ? new ParceledListSlice<>(result) : null; 4207 } 4208 } 4209 4210 private List<VersionedPackage> getPackagesUsingSharedLibraryLPr( 4211 SharedLibraryInfo libInfo, int flags, int userId) { 4212 List<VersionedPackage> versionedPackages = null; 4213 final int packageCount = mSettings.mPackages.size(); 4214 for (int i = 0; i < packageCount; i++) { 4215 PackageSetting ps = mSettings.mPackages.valueAt(i); 4216 4217 if (ps == null) { 4218 continue; 4219 } 4220 4221 if (!ps.getUserState().get(userId).isAvailable(flags)) { 4222 continue; 4223 } 4224 4225 final String libName = libInfo.getName(); 4226 if (libInfo.isStatic()) { 4227 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 4228 if (libIdx < 0) { 4229 continue; 4230 } 4231 if (ps.usesStaticLibrariesVersions[libIdx] != libInfo.getVersion()) { 4232 continue; 4233 } 4234 if (versionedPackages == null) { 4235 versionedPackages = new ArrayList<>(); 4236 } 4237 // If the dependent is a static shared lib, use the public package name 4238 String dependentPackageName = ps.name; 4239 if (ps.pkg != null && ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4240 dependentPackageName = ps.pkg.manifestPackageName; 4241 } 4242 versionedPackages.add(new VersionedPackage(dependentPackageName, ps.versionCode)); 4243 } else if (ps.pkg != null) { 4244 if (ArrayUtils.contains(ps.pkg.usesLibraries, libName) 4245 || ArrayUtils.contains(ps.pkg.usesOptionalLibraries, libName)) { 4246 if (versionedPackages == null) { 4247 versionedPackages = new ArrayList<>(); 4248 } 4249 versionedPackages.add(new VersionedPackage(ps.name, ps.versionCode)); 4250 } 4251 } 4252 } 4253 4254 return versionedPackages; 4255 } 4256 4257 @Override 4258 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 4259 if (!sUserManager.exists(userId)) return null; 4260 flags = updateFlagsForComponent(flags, userId, component); 4261 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4262 false /* requireFullPermission */, false /* checkShell */, "get service info"); 4263 synchronized (mPackages) { 4264 PackageParser.Service s = mServices.mServices.get(component); 4265 if (DEBUG_PACKAGE_INFO) Log.v( 4266 TAG, "getServiceInfo " + component + ": " + s); 4267 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 4268 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4269 if (ps == null) return null; 4270 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 4271 userId); 4272 } 4273 } 4274 return null; 4275 } 4276 4277 @Override 4278 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 4279 if (!sUserManager.exists(userId)) return null; 4280 flags = updateFlagsForComponent(flags, userId, component); 4281 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4282 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 4283 synchronized (mPackages) { 4284 PackageParser.Provider p = mProviders.mProviders.get(component); 4285 if (DEBUG_PACKAGE_INFO) Log.v( 4286 TAG, "getProviderInfo " + component + ": " + p); 4287 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 4288 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4289 if (ps == null) return null; 4290 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 4291 userId); 4292 } 4293 } 4294 return null; 4295 } 4296 4297 @Override 4298 public String[] getSystemSharedLibraryNames() { 4299 synchronized (mPackages) { 4300 Set<String> libs = null; 4301 final int libCount = mSharedLibraries.size(); 4302 for (int i = 0; i < libCount; i++) { 4303 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4304 if (versionedLib == null) { 4305 continue; 4306 } 4307 final int versionCount = versionedLib.size(); 4308 for (int j = 0; j < versionCount; j++) { 4309 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 4310 if (!libEntry.info.isStatic()) { 4311 if (libs == null) { 4312 libs = new ArraySet<>(); 4313 } 4314 libs.add(libEntry.info.getName()); 4315 break; 4316 } 4317 PackageSetting ps = mSettings.getPackageLPr(libEntry.apk); 4318 if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(), 4319 UserHandle.getUserId(Binder.getCallingUid()))) { 4320 if (libs == null) { 4321 libs = new ArraySet<>(); 4322 } 4323 libs.add(libEntry.info.getName()); 4324 break; 4325 } 4326 } 4327 } 4328 4329 if (libs != null) { 4330 String[] libsArray = new String[libs.size()]; 4331 libs.toArray(libsArray); 4332 return libsArray; 4333 } 4334 4335 return null; 4336 } 4337 } 4338 4339 @Override 4340 public @NonNull String getServicesSystemSharedLibraryPackageName() { 4341 synchronized (mPackages) { 4342 return mServicesSystemSharedLibraryPackageName; 4343 } 4344 } 4345 4346 @Override 4347 public @NonNull String getSharedSystemSharedLibraryPackageName() { 4348 synchronized (mPackages) { 4349 return mSharedSystemSharedLibraryPackageName; 4350 } 4351 } 4352 4353 private void updateSequenceNumberLP(String packageName, int[] userList) { 4354 for (int i = userList.length - 1; i >= 0; --i) { 4355 final int userId = userList[i]; 4356 SparseArray<String> changedPackages = mChangedPackages.get(userId); 4357 if (changedPackages == null) { 4358 changedPackages = new SparseArray<>(); 4359 mChangedPackages.put(userId, changedPackages); 4360 } 4361 Map<String, Integer> sequenceNumbers = mChangedPackagesSequenceNumbers.get(userId); 4362 if (sequenceNumbers == null) { 4363 sequenceNumbers = new HashMap<>(); 4364 mChangedPackagesSequenceNumbers.put(userId, sequenceNumbers); 4365 } 4366 final Integer sequenceNumber = sequenceNumbers.get(packageName); 4367 if (sequenceNumber != null) { 4368 changedPackages.remove(sequenceNumber); 4369 } 4370 changedPackages.put(mChangedPackagesSequenceNumber, packageName); 4371 sequenceNumbers.put(packageName, mChangedPackagesSequenceNumber); 4372 } 4373 mChangedPackagesSequenceNumber++; 4374 } 4375 4376 @Override 4377 public ChangedPackages getChangedPackages(int sequenceNumber, int userId) { 4378 synchronized (mPackages) { 4379 if (sequenceNumber >= mChangedPackagesSequenceNumber) { 4380 return null; 4381 } 4382 final SparseArray<String> changedPackages = mChangedPackages.get(userId); 4383 if (changedPackages == null) { 4384 return null; 4385 } 4386 final List<String> packageNames = 4387 new ArrayList<>(mChangedPackagesSequenceNumber - sequenceNumber); 4388 for (int i = sequenceNumber; i < mChangedPackagesSequenceNumber; i++) { 4389 final String packageName = changedPackages.get(i); 4390 if (packageName != null) { 4391 packageNames.add(packageName); 4392 } 4393 } 4394 return packageNames.isEmpty() 4395 ? null : new ChangedPackages(mChangedPackagesSequenceNumber, packageNames); 4396 } 4397 } 4398 4399 @Override 4400 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 4401 ArrayList<FeatureInfo> res; 4402 synchronized (mAvailableFeatures) { 4403 res = new ArrayList<>(mAvailableFeatures.size() + 1); 4404 res.addAll(mAvailableFeatures.values()); 4405 } 4406 final FeatureInfo fi = new FeatureInfo(); 4407 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 4408 FeatureInfo.GL_ES_VERSION_UNDEFINED); 4409 res.add(fi); 4410 4411 return new ParceledListSlice<>(res); 4412 } 4413 4414 @Override 4415 public boolean hasSystemFeature(String name, int version) { 4416 synchronized (mAvailableFeatures) { 4417 final FeatureInfo feat = mAvailableFeatures.get(name); 4418 if (feat == null) { 4419 return false; 4420 } else { 4421 return feat.version >= version; 4422 } 4423 } 4424 } 4425 4426 @Override 4427 public int checkPermission(String permName, String pkgName, int userId) { 4428 if (!sUserManager.exists(userId)) { 4429 return PackageManager.PERMISSION_DENIED; 4430 } 4431 4432 synchronized (mPackages) { 4433 final PackageParser.Package p = mPackages.get(pkgName); 4434 if (p != null && p.mExtras != null) { 4435 final PackageSetting ps = (PackageSetting) p.mExtras; 4436 final PermissionsState permissionsState = ps.getPermissionsState(); 4437 if (permissionsState.hasPermission(permName, userId)) { 4438 return PackageManager.PERMISSION_GRANTED; 4439 } 4440 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4441 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4442 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4443 return PackageManager.PERMISSION_GRANTED; 4444 } 4445 } 4446 } 4447 4448 return PackageManager.PERMISSION_DENIED; 4449 } 4450 4451 @Override 4452 public int checkUidPermission(String permName, int uid) { 4453 final int userId = UserHandle.getUserId(uid); 4454 4455 if (!sUserManager.exists(userId)) { 4456 return PackageManager.PERMISSION_DENIED; 4457 } 4458 4459 synchronized (mPackages) { 4460 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4461 if (obj != null) { 4462 final SettingBase ps = (SettingBase) obj; 4463 final PermissionsState permissionsState = ps.getPermissionsState(); 4464 if (permissionsState.hasPermission(permName, userId)) { 4465 return PackageManager.PERMISSION_GRANTED; 4466 } 4467 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4468 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4469 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4470 return PackageManager.PERMISSION_GRANTED; 4471 } 4472 } else { 4473 ArraySet<String> perms = mSystemPermissions.get(uid); 4474 if (perms != null) { 4475 if (perms.contains(permName)) { 4476 return PackageManager.PERMISSION_GRANTED; 4477 } 4478 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 4479 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 4480 return PackageManager.PERMISSION_GRANTED; 4481 } 4482 } 4483 } 4484 } 4485 4486 return PackageManager.PERMISSION_DENIED; 4487 } 4488 4489 @Override 4490 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 4491 if (UserHandle.getCallingUserId() != userId) { 4492 mContext.enforceCallingPermission( 4493 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4494 "isPermissionRevokedByPolicy for user " + userId); 4495 } 4496 4497 if (checkPermission(permission, packageName, userId) 4498 == PackageManager.PERMISSION_GRANTED) { 4499 return false; 4500 } 4501 4502 final long identity = Binder.clearCallingIdentity(); 4503 try { 4504 final int flags = getPermissionFlags(permission, packageName, userId); 4505 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 4506 } finally { 4507 Binder.restoreCallingIdentity(identity); 4508 } 4509 } 4510 4511 @Override 4512 public String getPermissionControllerPackageName() { 4513 synchronized (mPackages) { 4514 return mRequiredInstallerPackage; 4515 } 4516 } 4517 4518 /** 4519 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 4520 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 4521 * @param checkShell whether to prevent shell from access if there's a debugging restriction 4522 * @param message the message to log on security exception 4523 */ 4524 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 4525 boolean checkShell, String message) { 4526 if (userId < 0) { 4527 throw new IllegalArgumentException("Invalid userId " + userId); 4528 } 4529 if (checkShell) { 4530 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 4531 } 4532 if (userId == UserHandle.getUserId(callingUid)) return; 4533 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4534 if (requireFullPermission) { 4535 mContext.enforceCallingOrSelfPermission( 4536 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4537 } else { 4538 try { 4539 mContext.enforceCallingOrSelfPermission( 4540 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4541 } catch (SecurityException se) { 4542 mContext.enforceCallingOrSelfPermission( 4543 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 4544 } 4545 } 4546 } 4547 } 4548 4549 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 4550 if (callingUid == Process.SHELL_UID) { 4551 if (userHandle >= 0 4552 && sUserManager.hasUserRestriction(restriction, userHandle)) { 4553 throw new SecurityException("Shell does not have permission to access user " 4554 + userHandle); 4555 } else if (userHandle < 0) { 4556 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 4557 + Debug.getCallers(3)); 4558 } 4559 } 4560 } 4561 4562 private BasePermission findPermissionTreeLP(String permName) { 4563 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 4564 if (permName.startsWith(bp.name) && 4565 permName.length() > bp.name.length() && 4566 permName.charAt(bp.name.length()) == '.') { 4567 return bp; 4568 } 4569 } 4570 return null; 4571 } 4572 4573 private BasePermission checkPermissionTreeLP(String permName) { 4574 if (permName != null) { 4575 BasePermission bp = findPermissionTreeLP(permName); 4576 if (bp != null) { 4577 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 4578 return bp; 4579 } 4580 throw new SecurityException("Calling uid " 4581 + Binder.getCallingUid() 4582 + " is not allowed to add to permission tree " 4583 + bp.name + " owned by uid " + bp.uid); 4584 } 4585 } 4586 throw new SecurityException("No permission tree found for " + permName); 4587 } 4588 4589 static boolean compareStrings(CharSequence s1, CharSequence s2) { 4590 if (s1 == null) { 4591 return s2 == null; 4592 } 4593 if (s2 == null) { 4594 return false; 4595 } 4596 if (s1.getClass() != s2.getClass()) { 4597 return false; 4598 } 4599 return s1.equals(s2); 4600 } 4601 4602 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 4603 if (pi1.icon != pi2.icon) return false; 4604 if (pi1.logo != pi2.logo) return false; 4605 if (pi1.protectionLevel != pi2.protectionLevel) return false; 4606 if (!compareStrings(pi1.name, pi2.name)) return false; 4607 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 4608 // We'll take care of setting this one. 4609 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 4610 // These are not currently stored in settings. 4611 //if (!compareStrings(pi1.group, pi2.group)) return false; 4612 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 4613 //if (pi1.labelRes != pi2.labelRes) return false; 4614 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 4615 return true; 4616 } 4617 4618 int permissionInfoFootprint(PermissionInfo info) { 4619 int size = info.name.length(); 4620 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4621 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4622 return size; 4623 } 4624 4625 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4626 int size = 0; 4627 for (BasePermission perm : mSettings.mPermissions.values()) { 4628 if (perm.uid == tree.uid) { 4629 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4630 } 4631 } 4632 return size; 4633 } 4634 4635 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4636 // We calculate the max size of permissions defined by this uid and throw 4637 // if that plus the size of 'info' would exceed our stated maximum. 4638 if (tree.uid != Process.SYSTEM_UID) { 4639 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4640 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4641 throw new SecurityException("Permission tree size cap exceeded"); 4642 } 4643 } 4644 } 4645 4646 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4647 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4648 throw new SecurityException("Label must be specified in permission"); 4649 } 4650 BasePermission tree = checkPermissionTreeLP(info.name); 4651 BasePermission bp = mSettings.mPermissions.get(info.name); 4652 boolean added = bp == null; 4653 boolean changed = true; 4654 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4655 if (added) { 4656 enforcePermissionCapLocked(info, tree); 4657 bp = new BasePermission(info.name, tree.sourcePackage, 4658 BasePermission.TYPE_DYNAMIC); 4659 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4660 throw new SecurityException( 4661 "Not allowed to modify non-dynamic permission " 4662 + info.name); 4663 } else { 4664 if (bp.protectionLevel == fixedLevel 4665 && bp.perm.owner.equals(tree.perm.owner) 4666 && bp.uid == tree.uid 4667 && comparePermissionInfos(bp.perm.info, info)) { 4668 changed = false; 4669 } 4670 } 4671 bp.protectionLevel = fixedLevel; 4672 info = new PermissionInfo(info); 4673 info.protectionLevel = fixedLevel; 4674 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4675 bp.perm.info.packageName = tree.perm.info.packageName; 4676 bp.uid = tree.uid; 4677 if (added) { 4678 mSettings.mPermissions.put(info.name, bp); 4679 } 4680 if (changed) { 4681 if (!async) { 4682 mSettings.writeLPr(); 4683 } else { 4684 scheduleWriteSettingsLocked(); 4685 } 4686 } 4687 return added; 4688 } 4689 4690 @Override 4691 public boolean addPermission(PermissionInfo info) { 4692 synchronized (mPackages) { 4693 return addPermissionLocked(info, false); 4694 } 4695 } 4696 4697 @Override 4698 public boolean addPermissionAsync(PermissionInfo info) { 4699 synchronized (mPackages) { 4700 return addPermissionLocked(info, true); 4701 } 4702 } 4703 4704 @Override 4705 public void removePermission(String name) { 4706 synchronized (mPackages) { 4707 checkPermissionTreeLP(name); 4708 BasePermission bp = mSettings.mPermissions.get(name); 4709 if (bp != null) { 4710 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4711 throw new SecurityException( 4712 "Not allowed to modify non-dynamic permission " 4713 + name); 4714 } 4715 mSettings.mPermissions.remove(name); 4716 mSettings.writeLPr(); 4717 } 4718 } 4719 } 4720 4721 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4722 BasePermission bp) { 4723 int index = pkg.requestedPermissions.indexOf(bp.name); 4724 if (index == -1) { 4725 throw new SecurityException("Package " + pkg.packageName 4726 + " has not requested permission " + bp.name); 4727 } 4728 if (!bp.isRuntime() && !bp.isDevelopment()) { 4729 throw new SecurityException("Permission " + bp.name 4730 + " is not a changeable permission type"); 4731 } 4732 } 4733 4734 @Override 4735 public void grantRuntimePermission(String packageName, String name, final int userId) { 4736 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4737 } 4738 4739 private void grantRuntimePermission(String packageName, String name, final int userId, 4740 boolean overridePolicy) { 4741 if (!sUserManager.exists(userId)) { 4742 Log.e(TAG, "No such user:" + userId); 4743 return; 4744 } 4745 4746 mContext.enforceCallingOrSelfPermission( 4747 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4748 "grantRuntimePermission"); 4749 4750 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4751 true /* requireFullPermission */, true /* checkShell */, 4752 "grantRuntimePermission"); 4753 4754 final int uid; 4755 final SettingBase sb; 4756 4757 synchronized (mPackages) { 4758 final PackageParser.Package pkg = mPackages.get(packageName); 4759 if (pkg == null) { 4760 throw new IllegalArgumentException("Unknown package: " + packageName); 4761 } 4762 4763 final BasePermission bp = mSettings.mPermissions.get(name); 4764 if (bp == null) { 4765 throw new IllegalArgumentException("Unknown permission: " + name); 4766 } 4767 4768 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4769 4770 // If a permission review is required for legacy apps we represent 4771 // their permissions as always granted runtime ones since we need 4772 // to keep the review required permission flag per user while an 4773 // install permission's state is shared across all users. 4774 if (mPermissionReviewRequired 4775 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4776 && bp.isRuntime()) { 4777 return; 4778 } 4779 4780 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4781 sb = (SettingBase) pkg.mExtras; 4782 if (sb == null) { 4783 throw new IllegalArgumentException("Unknown package: " + packageName); 4784 } 4785 4786 final PermissionsState permissionsState = sb.getPermissionsState(); 4787 4788 final int flags = permissionsState.getPermissionFlags(name, userId); 4789 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4790 throw new SecurityException("Cannot grant system fixed permission " 4791 + name + " for package " + packageName); 4792 } 4793 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4794 throw new SecurityException("Cannot grant policy fixed permission " 4795 + name + " for package " + packageName); 4796 } 4797 4798 if (bp.isDevelopment()) { 4799 // Development permissions must be handled specially, since they are not 4800 // normal runtime permissions. For now they apply to all users. 4801 if (permissionsState.grantInstallPermission(bp) != 4802 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4803 scheduleWriteSettingsLocked(); 4804 } 4805 return; 4806 } 4807 4808 final PackageSetting ps = mSettings.mPackages.get(packageName); 4809 if (ps.getInstantApp(userId) && !bp.isInstant()) { 4810 throw new SecurityException("Cannot grant non-ephemeral permission" 4811 + name + " for package " + packageName); 4812 } 4813 4814 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4815 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4816 return; 4817 } 4818 4819 final int result = permissionsState.grantRuntimePermission(bp, userId); 4820 switch (result) { 4821 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4822 return; 4823 } 4824 4825 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4826 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4827 mHandler.post(new Runnable() { 4828 @Override 4829 public void run() { 4830 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4831 } 4832 }); 4833 } 4834 break; 4835 } 4836 4837 if (bp.isRuntime()) { 4838 logPermissionGranted(mContext, name, packageName); 4839 } 4840 4841 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4842 4843 // Not critical if that is lost - app has to request again. 4844 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4845 } 4846 4847 // Only need to do this if user is initialized. Otherwise it's a new user 4848 // and there are no processes running as the user yet and there's no need 4849 // to make an expensive call to remount processes for the changed permissions. 4850 if (READ_EXTERNAL_STORAGE.equals(name) 4851 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4852 final long token = Binder.clearCallingIdentity(); 4853 try { 4854 if (sUserManager.isInitialized(userId)) { 4855 StorageManagerInternal storageManagerInternal = LocalServices.getService( 4856 StorageManagerInternal.class); 4857 storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); 4858 } 4859 } finally { 4860 Binder.restoreCallingIdentity(token); 4861 } 4862 } 4863 } 4864 4865 @Override 4866 public void revokeRuntimePermission(String packageName, String name, int userId) { 4867 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4868 } 4869 4870 private void revokeRuntimePermission(String packageName, String name, int userId, 4871 boolean overridePolicy) { 4872 if (!sUserManager.exists(userId)) { 4873 Log.e(TAG, "No such user:" + userId); 4874 return; 4875 } 4876 4877 mContext.enforceCallingOrSelfPermission( 4878 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4879 "revokeRuntimePermission"); 4880 4881 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4882 true /* requireFullPermission */, true /* checkShell */, 4883 "revokeRuntimePermission"); 4884 4885 final int appId; 4886 4887 synchronized (mPackages) { 4888 final PackageParser.Package pkg = mPackages.get(packageName); 4889 if (pkg == null) { 4890 throw new IllegalArgumentException("Unknown package: " + packageName); 4891 } 4892 4893 final BasePermission bp = mSettings.mPermissions.get(name); 4894 if (bp == null) { 4895 throw new IllegalArgumentException("Unknown permission: " + name); 4896 } 4897 4898 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4899 4900 // If a permission review is required for legacy apps we represent 4901 // their permissions as always granted runtime ones since we need 4902 // to keep the review required permission flag per user while an 4903 // install permission's state is shared across all users. 4904 if (mPermissionReviewRequired 4905 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4906 && bp.isRuntime()) { 4907 return; 4908 } 4909 4910 SettingBase sb = (SettingBase) pkg.mExtras; 4911 if (sb == null) { 4912 throw new IllegalArgumentException("Unknown package: " + packageName); 4913 } 4914 4915 final PermissionsState permissionsState = sb.getPermissionsState(); 4916 4917 final int flags = permissionsState.getPermissionFlags(name, userId); 4918 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4919 throw new SecurityException("Cannot revoke system fixed permission " 4920 + name + " for package " + packageName); 4921 } 4922 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4923 throw new SecurityException("Cannot revoke policy fixed permission " 4924 + name + " for package " + packageName); 4925 } 4926 4927 if (bp.isDevelopment()) { 4928 // Development permissions must be handled specially, since they are not 4929 // normal runtime permissions. For now they apply to all users. 4930 if (permissionsState.revokeInstallPermission(bp) != 4931 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4932 scheduleWriteSettingsLocked(); 4933 } 4934 return; 4935 } 4936 4937 if (permissionsState.revokeRuntimePermission(bp, userId) == 4938 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4939 return; 4940 } 4941 4942 if (bp.isRuntime()) { 4943 logPermissionRevoked(mContext, name, packageName); 4944 } 4945 4946 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4947 4948 // Critical, after this call app should never have the permission. 4949 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4950 4951 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4952 } 4953 4954 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4955 } 4956 4957 /** 4958 * Get the first event id for the permission. 4959 * 4960 * <p>There are four events for each permission: <ul> 4961 * <li>Request permission: first id + 0</li> 4962 * <li>Grant permission: first id + 1</li> 4963 * <li>Request for permission denied: first id + 2</li> 4964 * <li>Revoke permission: first id + 3</li> 4965 * </ul></p> 4966 * 4967 * @param name name of the permission 4968 * 4969 * @return The first event id for the permission 4970 */ 4971 private static int getBaseEventId(@NonNull String name) { 4972 int eventIdIndex = ALL_DANGEROUS_PERMISSIONS.indexOf(name); 4973 4974 if (eventIdIndex == -1) { 4975 if (AppOpsManager.permissionToOpCode(name) == AppOpsManager.OP_NONE 4976 || "user".equals(Build.TYPE)) { 4977 Log.i(TAG, "Unknown permission " + name); 4978 4979 return MetricsEvent.ACTION_PERMISSION_REQUEST_UNKNOWN; 4980 } else { 4981 // Most likely #ALL_DANGEROUS_PERMISSIONS needs to be updated. 4982 // 4983 // Also update 4984 // - EventLogger#ALL_DANGEROUS_PERMISSIONS 4985 // - metrics_constants.proto 4986 throw new IllegalStateException("Unknown permission " + name); 4987 } 4988 } 4989 4990 return MetricsEvent.ACTION_PERMISSION_REQUEST_READ_CALENDAR + eventIdIndex * 4; 4991 } 4992 4993 /** 4994 * Log that a permission was revoked. 4995 * 4996 * @param context Context of the caller 4997 * @param name name of the permission 4998 * @param packageName package permission if for 4999 */ 5000 private static void logPermissionRevoked(@NonNull Context context, @NonNull String name, 5001 @NonNull String packageName) { 5002 MetricsLogger.action(context, getBaseEventId(name) + 3, packageName); 5003 } 5004 5005 /** 5006 * Log that a permission request was granted. 5007 * 5008 * @param context Context of the caller 5009 * @param name name of the permission 5010 * @param packageName package permission if for 5011 */ 5012 private static void logPermissionGranted(@NonNull Context context, @NonNull String name, 5013 @NonNull String packageName) { 5014 MetricsLogger.action(context, getBaseEventId(name) + 1, packageName); 5015 } 5016 5017 @Override 5018 public void resetRuntimePermissions() { 5019 mContext.enforceCallingOrSelfPermission( 5020 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 5021 "revokeRuntimePermission"); 5022 5023 int callingUid = Binder.getCallingUid(); 5024 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 5025 mContext.enforceCallingOrSelfPermission( 5026 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5027 "resetRuntimePermissions"); 5028 } 5029 5030 synchronized (mPackages) { 5031 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 5032 for (int userId : UserManagerService.getInstance().getUserIds()) { 5033 final int packageCount = mPackages.size(); 5034 for (int i = 0; i < packageCount; i++) { 5035 PackageParser.Package pkg = mPackages.valueAt(i); 5036 if (!(pkg.mExtras instanceof PackageSetting)) { 5037 continue; 5038 } 5039 PackageSetting ps = (PackageSetting) pkg.mExtras; 5040 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 5041 } 5042 } 5043 } 5044 } 5045 5046 @Override 5047 public int getPermissionFlags(String name, String packageName, int userId) { 5048 if (!sUserManager.exists(userId)) { 5049 return 0; 5050 } 5051 5052 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 5053 5054 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5055 true /* requireFullPermission */, false /* checkShell */, 5056 "getPermissionFlags"); 5057 5058 synchronized (mPackages) { 5059 final PackageParser.Package pkg = mPackages.get(packageName); 5060 if (pkg == null) { 5061 return 0; 5062 } 5063 5064 final BasePermission bp = mSettings.mPermissions.get(name); 5065 if (bp == null) { 5066 return 0; 5067 } 5068 5069 SettingBase sb = (SettingBase) pkg.mExtras; 5070 if (sb == null) { 5071 return 0; 5072 } 5073 5074 PermissionsState permissionsState = sb.getPermissionsState(); 5075 return permissionsState.getPermissionFlags(name, userId); 5076 } 5077 } 5078 5079 @Override 5080 public void updatePermissionFlags(String name, String packageName, int flagMask, 5081 int flagValues, int userId) { 5082 if (!sUserManager.exists(userId)) { 5083 return; 5084 } 5085 5086 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 5087 5088 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5089 true /* requireFullPermission */, true /* checkShell */, 5090 "updatePermissionFlags"); 5091 5092 // Only the system can change these flags and nothing else. 5093 if (getCallingUid() != Process.SYSTEM_UID) { 5094 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5095 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5096 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5097 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5098 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 5099 } 5100 5101 synchronized (mPackages) { 5102 final PackageParser.Package pkg = mPackages.get(packageName); 5103 if (pkg == null) { 5104 throw new IllegalArgumentException("Unknown package: " + packageName); 5105 } 5106 5107 final BasePermission bp = mSettings.mPermissions.get(name); 5108 if (bp == null) { 5109 throw new IllegalArgumentException("Unknown permission: " + name); 5110 } 5111 5112 SettingBase sb = (SettingBase) pkg.mExtras; 5113 if (sb == null) { 5114 throw new IllegalArgumentException("Unknown package: " + packageName); 5115 } 5116 5117 PermissionsState permissionsState = sb.getPermissionsState(); 5118 5119 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 5120 5121 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 5122 // Install and runtime permissions are stored in different places, 5123 // so figure out what permission changed and persist the change. 5124 if (permissionsState.getInstallPermissionState(name) != null) { 5125 scheduleWriteSettingsLocked(); 5126 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 5127 || hadState) { 5128 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5129 } 5130 } 5131 } 5132 } 5133 5134 /** 5135 * Update the permission flags for all packages and runtime permissions of a user in order 5136 * to allow device or profile owner to remove POLICY_FIXED. 5137 */ 5138 @Override 5139 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 5140 if (!sUserManager.exists(userId)) { 5141 return; 5142 } 5143 5144 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 5145 5146 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5147 true /* requireFullPermission */, true /* checkShell */, 5148 "updatePermissionFlagsForAllApps"); 5149 5150 // Only the system can change system fixed flags. 5151 if (getCallingUid() != Process.SYSTEM_UID) { 5152 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5153 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5154 } 5155 5156 synchronized (mPackages) { 5157 boolean changed = false; 5158 final int packageCount = mPackages.size(); 5159 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 5160 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 5161 SettingBase sb = (SettingBase) pkg.mExtras; 5162 if (sb == null) { 5163 continue; 5164 } 5165 PermissionsState permissionsState = sb.getPermissionsState(); 5166 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 5167 userId, flagMask, flagValues); 5168 } 5169 if (changed) { 5170 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5171 } 5172 } 5173 } 5174 5175 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 5176 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 5177 != PackageManager.PERMISSION_GRANTED 5178 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 5179 != PackageManager.PERMISSION_GRANTED) { 5180 throw new SecurityException(message + " requires " 5181 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 5182 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 5183 } 5184 } 5185 5186 @Override 5187 public boolean shouldShowRequestPermissionRationale(String permissionName, 5188 String packageName, int userId) { 5189 if (UserHandle.getCallingUserId() != userId) { 5190 mContext.enforceCallingPermission( 5191 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5192 "canShowRequestPermissionRationale for user " + userId); 5193 } 5194 5195 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 5196 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 5197 return false; 5198 } 5199 5200 if (checkPermission(permissionName, packageName, userId) 5201 == PackageManager.PERMISSION_GRANTED) { 5202 return false; 5203 } 5204 5205 final int flags; 5206 5207 final long identity = Binder.clearCallingIdentity(); 5208 try { 5209 flags = getPermissionFlags(permissionName, 5210 packageName, userId); 5211 } finally { 5212 Binder.restoreCallingIdentity(identity); 5213 } 5214 5215 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 5216 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 5217 | PackageManager.FLAG_PERMISSION_USER_FIXED; 5218 5219 if ((flags & fixedFlags) != 0) { 5220 return false; 5221 } 5222 5223 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 5224 } 5225 5226 @Override 5227 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5228 mContext.enforceCallingOrSelfPermission( 5229 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 5230 "addOnPermissionsChangeListener"); 5231 5232 synchronized (mPackages) { 5233 mOnPermissionChangeListeners.addListenerLocked(listener); 5234 } 5235 } 5236 5237 @Override 5238 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5239 synchronized (mPackages) { 5240 mOnPermissionChangeListeners.removeListenerLocked(listener); 5241 } 5242 } 5243 5244 @Override 5245 public boolean isProtectedBroadcast(String actionName) { 5246 synchronized (mPackages) { 5247 if (mProtectedBroadcasts.contains(actionName)) { 5248 return true; 5249 } else if (actionName != null) { 5250 // TODO: remove these terrible hacks 5251 if (actionName.startsWith("android.net.netmon.lingerExpired") 5252 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 5253 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 5254 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 5255 return true; 5256 } 5257 } 5258 } 5259 return false; 5260 } 5261 5262 @Override 5263 public int checkSignatures(String pkg1, String pkg2) { 5264 synchronized (mPackages) { 5265 final PackageParser.Package p1 = mPackages.get(pkg1); 5266 final PackageParser.Package p2 = mPackages.get(pkg2); 5267 if (p1 == null || p1.mExtras == null 5268 || p2 == null || p2.mExtras == null) { 5269 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5270 } 5271 return compareSignatures(p1.mSignatures, p2.mSignatures); 5272 } 5273 } 5274 5275 @Override 5276 public int checkUidSignatures(int uid1, int uid2) { 5277 // Map to base uids. 5278 uid1 = UserHandle.getAppId(uid1); 5279 uid2 = UserHandle.getAppId(uid2); 5280 // reader 5281 synchronized (mPackages) { 5282 Signature[] s1; 5283 Signature[] s2; 5284 Object obj = mSettings.getUserIdLPr(uid1); 5285 if (obj != null) { 5286 if (obj instanceof SharedUserSetting) { 5287 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 5288 } else if (obj instanceof PackageSetting) { 5289 s1 = ((PackageSetting)obj).signatures.mSignatures; 5290 } else { 5291 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5292 } 5293 } else { 5294 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5295 } 5296 obj = mSettings.getUserIdLPr(uid2); 5297 if (obj != null) { 5298 if (obj instanceof SharedUserSetting) { 5299 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 5300 } else if (obj instanceof PackageSetting) { 5301 s2 = ((PackageSetting)obj).signatures.mSignatures; 5302 } else { 5303 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5304 } 5305 } else { 5306 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5307 } 5308 return compareSignatures(s1, s2); 5309 } 5310 } 5311 5312 /** 5313 * This method should typically only be used when granting or revoking 5314 * permissions, since the app may immediately restart after this call. 5315 * <p> 5316 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 5317 * guard your work against the app being relaunched. 5318 */ 5319 private void killUid(int appId, int userId, String reason) { 5320 final long identity = Binder.clearCallingIdentity(); 5321 try { 5322 IActivityManager am = ActivityManager.getService(); 5323 if (am != null) { 5324 try { 5325 am.killUid(appId, userId, reason); 5326 } catch (RemoteException e) { 5327 /* ignore - same process */ 5328 } 5329 } 5330 } finally { 5331 Binder.restoreCallingIdentity(identity); 5332 } 5333 } 5334 5335 /** 5336 * Compares two sets of signatures. Returns: 5337 * <br /> 5338 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 5339 * <br /> 5340 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 5341 * <br /> 5342 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 5343 * <br /> 5344 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 5345 * <br /> 5346 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 5347 */ 5348 static int compareSignatures(Signature[] s1, Signature[] s2) { 5349 if (s1 == null) { 5350 return s2 == null 5351 ? PackageManager.SIGNATURE_NEITHER_SIGNED 5352 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 5353 } 5354 5355 if (s2 == null) { 5356 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 5357 } 5358 5359 if (s1.length != s2.length) { 5360 return PackageManager.SIGNATURE_NO_MATCH; 5361 } 5362 5363 // Since both signature sets are of size 1, we can compare without HashSets. 5364 if (s1.length == 1) { 5365 return s1[0].equals(s2[0]) ? 5366 PackageManager.SIGNATURE_MATCH : 5367 PackageManager.SIGNATURE_NO_MATCH; 5368 } 5369 5370 ArraySet<Signature> set1 = new ArraySet<Signature>(); 5371 for (Signature sig : s1) { 5372 set1.add(sig); 5373 } 5374 ArraySet<Signature> set2 = new ArraySet<Signature>(); 5375 for (Signature sig : s2) { 5376 set2.add(sig); 5377 } 5378 // Make sure s2 contains all signatures in s1. 5379 if (set1.equals(set2)) { 5380 return PackageManager.SIGNATURE_MATCH; 5381 } 5382 return PackageManager.SIGNATURE_NO_MATCH; 5383 } 5384 5385 /** 5386 * If the database version for this type of package (internal storage or 5387 * external storage) is less than the version where package signatures 5388 * were updated, return true. 5389 */ 5390 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5391 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5392 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 5393 } 5394 5395 /** 5396 * Used for backward compatibility to make sure any packages with 5397 * certificate chains get upgraded to the new style. {@code existingSigs} 5398 * will be in the old format (since they were stored on disk from before the 5399 * system upgrade) and {@code scannedSigs} will be in the newer format. 5400 */ 5401 private int compareSignaturesCompat(PackageSignatures existingSigs, 5402 PackageParser.Package scannedPkg) { 5403 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 5404 return PackageManager.SIGNATURE_NO_MATCH; 5405 } 5406 5407 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 5408 for (Signature sig : existingSigs.mSignatures) { 5409 existingSet.add(sig); 5410 } 5411 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 5412 for (Signature sig : scannedPkg.mSignatures) { 5413 try { 5414 Signature[] chainSignatures = sig.getChainSignatures(); 5415 for (Signature chainSig : chainSignatures) { 5416 scannedCompatSet.add(chainSig); 5417 } 5418 } catch (CertificateEncodingException e) { 5419 scannedCompatSet.add(sig); 5420 } 5421 } 5422 /* 5423 * Make sure the expanded scanned set contains all signatures in the 5424 * existing one. 5425 */ 5426 if (scannedCompatSet.equals(existingSet)) { 5427 // Migrate the old signatures to the new scheme. 5428 existingSigs.assignSignatures(scannedPkg.mSignatures); 5429 // The new KeySets will be re-added later in the scanning process. 5430 synchronized (mPackages) { 5431 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 5432 } 5433 return PackageManager.SIGNATURE_MATCH; 5434 } 5435 return PackageManager.SIGNATURE_NO_MATCH; 5436 } 5437 5438 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5439 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5440 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 5441 } 5442 5443 private int compareSignaturesRecover(PackageSignatures existingSigs, 5444 PackageParser.Package scannedPkg) { 5445 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 5446 return PackageManager.SIGNATURE_NO_MATCH; 5447 } 5448 5449 String msg = null; 5450 try { 5451 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 5452 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 5453 + scannedPkg.packageName); 5454 return PackageManager.SIGNATURE_MATCH; 5455 } 5456 } catch (CertificateException e) { 5457 msg = e.getMessage(); 5458 } 5459 5460 logCriticalInfo(Log.INFO, 5461 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 5462 return PackageManager.SIGNATURE_NO_MATCH; 5463 } 5464 5465 @Override 5466 public List<String> getAllPackages() { 5467 synchronized (mPackages) { 5468 return new ArrayList<String>(mPackages.keySet()); 5469 } 5470 } 5471 5472 @Override 5473 public String[] getPackagesForUid(int uid) { 5474 final int userId = UserHandle.getUserId(uid); 5475 uid = UserHandle.getAppId(uid); 5476 // reader 5477 synchronized (mPackages) { 5478 Object obj = mSettings.getUserIdLPr(uid); 5479 if (obj instanceof SharedUserSetting) { 5480 final SharedUserSetting sus = (SharedUserSetting) obj; 5481 final int N = sus.packages.size(); 5482 String[] res = new String[N]; 5483 final Iterator<PackageSetting> it = sus.packages.iterator(); 5484 int i = 0; 5485 while (it.hasNext()) { 5486 PackageSetting ps = it.next(); 5487 if (ps.getInstalled(userId)) { 5488 res[i++] = ps.name; 5489 } else { 5490 res = ArrayUtils.removeElement(String.class, res, res[i]); 5491 } 5492 } 5493 return res; 5494 } else if (obj instanceof PackageSetting) { 5495 final PackageSetting ps = (PackageSetting) obj; 5496 if (ps.getInstalled(userId)) { 5497 return new String[]{ps.name}; 5498 } 5499 } 5500 } 5501 return null; 5502 } 5503 5504 @Override 5505 public String getNameForUid(int uid) { 5506 // reader 5507 synchronized (mPackages) { 5508 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5509 if (obj instanceof SharedUserSetting) { 5510 final SharedUserSetting sus = (SharedUserSetting) obj; 5511 return sus.name + ":" + sus.userId; 5512 } else if (obj instanceof PackageSetting) { 5513 final PackageSetting ps = (PackageSetting) obj; 5514 return ps.name; 5515 } 5516 } 5517 return null; 5518 } 5519 5520 @Override 5521 public int getUidForSharedUser(String sharedUserName) { 5522 if(sharedUserName == null) { 5523 return -1; 5524 } 5525 // reader 5526 synchronized (mPackages) { 5527 SharedUserSetting suid; 5528 try { 5529 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5530 if (suid != null) { 5531 return suid.userId; 5532 } 5533 } catch (PackageManagerException ignore) { 5534 // can't happen, but, still need to catch it 5535 } 5536 return -1; 5537 } 5538 } 5539 5540 @Override 5541 public int getFlagsForUid(int uid) { 5542 synchronized (mPackages) { 5543 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5544 if (obj instanceof SharedUserSetting) { 5545 final SharedUserSetting sus = (SharedUserSetting) obj; 5546 return sus.pkgFlags; 5547 } else if (obj instanceof PackageSetting) { 5548 final PackageSetting ps = (PackageSetting) obj; 5549 return ps.pkgFlags; 5550 } 5551 } 5552 return 0; 5553 } 5554 5555 @Override 5556 public int getPrivateFlagsForUid(int uid) { 5557 synchronized (mPackages) { 5558 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5559 if (obj instanceof SharedUserSetting) { 5560 final SharedUserSetting sus = (SharedUserSetting) obj; 5561 return sus.pkgPrivateFlags; 5562 } else if (obj instanceof PackageSetting) { 5563 final PackageSetting ps = (PackageSetting) obj; 5564 return ps.pkgPrivateFlags; 5565 } 5566 } 5567 return 0; 5568 } 5569 5570 @Override 5571 public boolean isUidPrivileged(int uid) { 5572 uid = UserHandle.getAppId(uid); 5573 // reader 5574 synchronized (mPackages) { 5575 Object obj = mSettings.getUserIdLPr(uid); 5576 if (obj instanceof SharedUserSetting) { 5577 final SharedUserSetting sus = (SharedUserSetting) obj; 5578 final Iterator<PackageSetting> it = sus.packages.iterator(); 5579 while (it.hasNext()) { 5580 if (it.next().isPrivileged()) { 5581 return true; 5582 } 5583 } 5584 } else if (obj instanceof PackageSetting) { 5585 final PackageSetting ps = (PackageSetting) obj; 5586 return ps.isPrivileged(); 5587 } 5588 } 5589 return false; 5590 } 5591 5592 @Override 5593 public String[] getAppOpPermissionPackages(String permissionName) { 5594 synchronized (mPackages) { 5595 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 5596 if (pkgs == null) { 5597 return null; 5598 } 5599 return pkgs.toArray(new String[pkgs.size()]); 5600 } 5601 } 5602 5603 @Override 5604 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5605 int flags, int userId) { 5606 return resolveIntentInternal( 5607 intent, resolvedType, flags, userId, false /*includeInstantApp*/); 5608 } 5609 5610 private ResolveInfo resolveIntentInternal(Intent intent, String resolvedType, 5611 int flags, int userId, boolean includeInstantApp) { 5612 try { 5613 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5614 5615 if (!sUserManager.exists(userId)) return null; 5616 flags = updateFlagsForResolve(flags, userId, intent, includeInstantApp); 5617 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5618 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5619 5620 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5621 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5622 flags, userId, includeInstantApp); 5623 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5624 5625 final ResolveInfo bestChoice = 5626 chooseBestActivity(intent, resolvedType, flags, query, userId); 5627 return bestChoice; 5628 } finally { 5629 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5630 } 5631 } 5632 5633 @Override 5634 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 5635 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 5636 throw new SecurityException( 5637 "findPersistentPreferredActivity can only be run by the system"); 5638 } 5639 if (!sUserManager.exists(userId)) { 5640 return null; 5641 } 5642 intent = updateIntentForResolve(intent); 5643 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 5644 final int flags = updateFlagsForResolve(0, userId, intent, false); 5645 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5646 userId); 5647 synchronized (mPackages) { 5648 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 5649 userId); 5650 } 5651 } 5652 5653 @Override 5654 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 5655 IntentFilter filter, int match, ComponentName activity) { 5656 final int userId = UserHandle.getCallingUserId(); 5657 if (DEBUG_PREFERRED) { 5658 Log.v(TAG, "setLastChosenActivity intent=" + intent 5659 + " resolvedType=" + resolvedType 5660 + " flags=" + flags 5661 + " filter=" + filter 5662 + " match=" + match 5663 + " activity=" + activity); 5664 filter.dump(new PrintStreamPrinter(System.out), " "); 5665 } 5666 intent.setComponent(null); 5667 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5668 userId); 5669 // Find any earlier preferred or last chosen entries and nuke them 5670 findPreferredActivity(intent, resolvedType, 5671 flags, query, 0, false, true, false, userId); 5672 // Add the new activity as the last chosen for this filter 5673 addPreferredActivityInternal(filter, match, null, activity, false, userId, 5674 "Setting last chosen"); 5675 } 5676 5677 @Override 5678 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 5679 final int userId = UserHandle.getCallingUserId(); 5680 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 5681 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5682 userId); 5683 return findPreferredActivity(intent, resolvedType, flags, query, 0, 5684 false, false, false, userId); 5685 } 5686 5687 /** 5688 * Returns whether or not instant apps have been disabled remotely. 5689 * <p><em>IMPORTANT</em> This should not be called with the package manager lock 5690 * held. Otherwise we run the risk of deadlock. 5691 */ 5692 private boolean isEphemeralDisabled() { 5693 // ephemeral apps have been disabled across the board 5694 if (DISABLE_EPHEMERAL_APPS) { 5695 return true; 5696 } 5697 // system isn't up yet; can't read settings, so, assume no ephemeral apps 5698 if (!mSystemReady) { 5699 return true; 5700 } 5701 // we can't get a content resolver until the system is ready; these checks must happen last 5702 final ContentResolver resolver = mContext.getContentResolver(); 5703 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 5704 return true; 5705 } 5706 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 5707 } 5708 5709 private boolean isEphemeralAllowed( 5710 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 5711 boolean skipPackageCheck) { 5712 final int callingUser = UserHandle.getCallingUserId(); 5713 if (callingUser != UserHandle.USER_SYSTEM) { 5714 return false; 5715 } 5716 if (mInstantAppResolverConnection == null) { 5717 return false; 5718 } 5719 if (mInstantAppInstallerComponent == null) { 5720 return false; 5721 } 5722 if (intent.getComponent() != null) { 5723 return false; 5724 } 5725 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 5726 return false; 5727 } 5728 if (!skipPackageCheck && intent.getPackage() != null) { 5729 return false; 5730 } 5731 final boolean isWebUri = hasWebURI(intent); 5732 if (!isWebUri || intent.getData().getHost() == null) { 5733 return false; 5734 } 5735 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5736 // Or if there's already an ephemeral app installed that handles the action 5737 synchronized (mPackages) { 5738 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 5739 for (int n = 0; n < count; n++) { 5740 ResolveInfo info = resolvedActivities.get(n); 5741 String packageName = info.activityInfo.packageName; 5742 PackageSetting ps = mSettings.mPackages.get(packageName); 5743 if (ps != null) { 5744 // Try to get the status from User settings first 5745 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5746 int status = (int) (packedStatus >> 32); 5747 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5748 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5749 if (DEBUG_EPHEMERAL) { 5750 Slog.v(TAG, "DENY ephemeral apps;" 5751 + " pkg: " + packageName + ", status: " + status); 5752 } 5753 return false; 5754 } 5755 if (ps.getInstantApp(userId)) { 5756 return false; 5757 } 5758 } 5759 } 5760 } 5761 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5762 return true; 5763 } 5764 5765 private void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 5766 Intent origIntent, String resolvedType, String callingPackage, 5767 int userId) { 5768 final Message msg = mHandler.obtainMessage(INSTANT_APP_RESOLUTION_PHASE_TWO, 5769 new EphemeralRequest(responseObj, origIntent, resolvedType, 5770 callingPackage, userId)); 5771 mHandler.sendMessage(msg); 5772 } 5773 5774 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5775 int flags, List<ResolveInfo> query, int userId) { 5776 if (query != null) { 5777 final int N = query.size(); 5778 if (N == 1) { 5779 return query.get(0); 5780 } else if (N > 1) { 5781 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5782 // If there is more than one activity with the same priority, 5783 // then let the user decide between them. 5784 ResolveInfo r0 = query.get(0); 5785 ResolveInfo r1 = query.get(1); 5786 if (DEBUG_INTENT_MATCHING || debug) { 5787 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5788 + r1.activityInfo.name + "=" + r1.priority); 5789 } 5790 // If the first activity has a higher priority, or a different 5791 // default, then it is always desirable to pick it. 5792 if (r0.priority != r1.priority 5793 || r0.preferredOrder != r1.preferredOrder 5794 || r0.isDefault != r1.isDefault) { 5795 return query.get(0); 5796 } 5797 // If we have saved a preference for a preferred activity for 5798 // this Intent, use that. 5799 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5800 flags, query, r0.priority, true, false, debug, userId); 5801 if (ri != null) { 5802 return ri; 5803 } 5804 // If we have an ephemeral app, use it 5805 for (int i = 0; i < N; i++) { 5806 ri = query.get(i); 5807 if (ri.activityInfo.applicationInfo.isInstantApp()) { 5808 return ri; 5809 } 5810 } 5811 ri = new ResolveInfo(mResolveInfo); 5812 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5813 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5814 // If all of the options come from the same package, show the application's 5815 // label and icon instead of the generic resolver's. 5816 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5817 // and then throw away the ResolveInfo itself, meaning that the caller loses 5818 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5819 // a fallback for this case; we only set the target package's resources on 5820 // the ResolveInfo, not the ActivityInfo. 5821 final String intentPackage = intent.getPackage(); 5822 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5823 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5824 ri.resolvePackageName = intentPackage; 5825 if (userNeedsBadging(userId)) { 5826 ri.noResourceId = true; 5827 } else { 5828 ri.icon = appi.icon; 5829 } 5830 ri.iconResourceId = appi.icon; 5831 ri.labelRes = appi.labelRes; 5832 } 5833 ri.activityInfo.applicationInfo = new ApplicationInfo( 5834 ri.activityInfo.applicationInfo); 5835 if (userId != 0) { 5836 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5837 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5838 } 5839 // Make sure that the resolver is displayable in car mode 5840 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5841 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5842 return ri; 5843 } 5844 } 5845 return null; 5846 } 5847 5848 /** 5849 * Return true if the given list is not empty and all of its contents have 5850 * an activityInfo with the given package name. 5851 */ 5852 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5853 if (ArrayUtils.isEmpty(list)) { 5854 return false; 5855 } 5856 for (int i = 0, N = list.size(); i < N; i++) { 5857 final ResolveInfo ri = list.get(i); 5858 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5859 if (ai == null || !packageName.equals(ai.packageName)) { 5860 return false; 5861 } 5862 } 5863 return true; 5864 } 5865 5866 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5867 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5868 final int N = query.size(); 5869 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5870 .get(userId); 5871 // Get the list of persistent preferred activities that handle the intent 5872 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5873 List<PersistentPreferredActivity> pprefs = ppir != null 5874 ? ppir.queryIntent(intent, resolvedType, 5875 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5876 userId) 5877 : null; 5878 if (pprefs != null && pprefs.size() > 0) { 5879 final int M = pprefs.size(); 5880 for (int i=0; i<M; i++) { 5881 final PersistentPreferredActivity ppa = pprefs.get(i); 5882 if (DEBUG_PREFERRED || debug) { 5883 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5884 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5885 + "\n component=" + ppa.mComponent); 5886 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5887 } 5888 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5889 flags | MATCH_DISABLED_COMPONENTS, userId); 5890 if (DEBUG_PREFERRED || debug) { 5891 Slog.v(TAG, "Found persistent preferred activity:"); 5892 if (ai != null) { 5893 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5894 } else { 5895 Slog.v(TAG, " null"); 5896 } 5897 } 5898 if (ai == null) { 5899 // This previously registered persistent preferred activity 5900 // component is no longer known. Ignore it and do NOT remove it. 5901 continue; 5902 } 5903 for (int j=0; j<N; j++) { 5904 final ResolveInfo ri = query.get(j); 5905 if (!ri.activityInfo.applicationInfo.packageName 5906 .equals(ai.applicationInfo.packageName)) { 5907 continue; 5908 } 5909 if (!ri.activityInfo.name.equals(ai.name)) { 5910 continue; 5911 } 5912 // Found a persistent preference that can handle the intent. 5913 if (DEBUG_PREFERRED || debug) { 5914 Slog.v(TAG, "Returning persistent preferred activity: " + 5915 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5916 } 5917 return ri; 5918 } 5919 } 5920 } 5921 return null; 5922 } 5923 5924 // TODO: handle preferred activities missing while user has amnesia 5925 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5926 List<ResolveInfo> query, int priority, boolean always, 5927 boolean removeMatches, boolean debug, int userId) { 5928 if (!sUserManager.exists(userId)) return null; 5929 flags = updateFlagsForResolve(flags, userId, intent, false); 5930 intent = updateIntentForResolve(intent); 5931 // writer 5932 synchronized (mPackages) { 5933 // Try to find a matching persistent preferred activity. 5934 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5935 debug, userId); 5936 5937 // If a persistent preferred activity matched, use it. 5938 if (pri != null) { 5939 return pri; 5940 } 5941 5942 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5943 // Get the list of preferred activities that handle the intent 5944 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5945 List<PreferredActivity> prefs = pir != null 5946 ? pir.queryIntent(intent, resolvedType, 5947 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5948 userId) 5949 : null; 5950 if (prefs != null && prefs.size() > 0) { 5951 boolean changed = false; 5952 try { 5953 // First figure out how good the original match set is. 5954 // We will only allow preferred activities that came 5955 // from the same match quality. 5956 int match = 0; 5957 5958 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5959 5960 final int N = query.size(); 5961 for (int j=0; j<N; j++) { 5962 final ResolveInfo ri = query.get(j); 5963 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5964 + ": 0x" + Integer.toHexString(match)); 5965 if (ri.match > match) { 5966 match = ri.match; 5967 } 5968 } 5969 5970 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5971 + Integer.toHexString(match)); 5972 5973 match &= IntentFilter.MATCH_CATEGORY_MASK; 5974 final int M = prefs.size(); 5975 for (int i=0; i<M; i++) { 5976 final PreferredActivity pa = prefs.get(i); 5977 if (DEBUG_PREFERRED || debug) { 5978 Slog.v(TAG, "Checking PreferredActivity ds=" 5979 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5980 + "\n component=" + pa.mPref.mComponent); 5981 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5982 } 5983 if (pa.mPref.mMatch != match) { 5984 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5985 + Integer.toHexString(pa.mPref.mMatch)); 5986 continue; 5987 } 5988 // If it's not an "always" type preferred activity and that's what we're 5989 // looking for, skip it. 5990 if (always && !pa.mPref.mAlways) { 5991 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5992 continue; 5993 } 5994 final ActivityInfo ai = getActivityInfo( 5995 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5996 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5997 userId); 5998 if (DEBUG_PREFERRED || debug) { 5999 Slog.v(TAG, "Found preferred activity:"); 6000 if (ai != null) { 6001 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6002 } else { 6003 Slog.v(TAG, " null"); 6004 } 6005 } 6006 if (ai == null) { 6007 // This previously registered preferred activity 6008 // component is no longer known. Most likely an update 6009 // to the app was installed and in the new version this 6010 // component no longer exists. Clean it up by removing 6011 // it from the preferred activities list, and skip it. 6012 Slog.w(TAG, "Removing dangling preferred activity: " 6013 + pa.mPref.mComponent); 6014 pir.removeFilter(pa); 6015 changed = true; 6016 continue; 6017 } 6018 for (int j=0; j<N; j++) { 6019 final ResolveInfo ri = query.get(j); 6020 if (!ri.activityInfo.applicationInfo.packageName 6021 .equals(ai.applicationInfo.packageName)) { 6022 continue; 6023 } 6024 if (!ri.activityInfo.name.equals(ai.name)) { 6025 continue; 6026 } 6027 6028 if (removeMatches) { 6029 pir.removeFilter(pa); 6030 changed = true; 6031 if (DEBUG_PREFERRED) { 6032 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 6033 } 6034 break; 6035 } 6036 6037 // Okay we found a previously set preferred or last chosen app. 6038 // If the result set is different from when this 6039 // was created, we need to clear it and re-ask the 6040 // user their preference, if we're looking for an "always" type entry. 6041 if (always && !pa.mPref.sameSet(query)) { 6042 Slog.i(TAG, "Result set changed, dropping preferred activity for " 6043 + intent + " type " + resolvedType); 6044 if (DEBUG_PREFERRED) { 6045 Slog.v(TAG, "Removing preferred activity since set changed " 6046 + pa.mPref.mComponent); 6047 } 6048 pir.removeFilter(pa); 6049 // Re-add the filter as a "last chosen" entry (!always) 6050 PreferredActivity lastChosen = new PreferredActivity( 6051 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 6052 pir.addFilter(lastChosen); 6053 changed = true; 6054 return null; 6055 } 6056 6057 // Yay! Either the set matched or we're looking for the last chosen 6058 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 6059 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6060 return ri; 6061 } 6062 } 6063 } finally { 6064 if (changed) { 6065 if (DEBUG_PREFERRED) { 6066 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 6067 } 6068 scheduleWritePackageRestrictionsLocked(userId); 6069 } 6070 } 6071 } 6072 } 6073 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 6074 return null; 6075 } 6076 6077 /* 6078 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 6079 */ 6080 @Override 6081 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 6082 int targetUserId) { 6083 mContext.enforceCallingOrSelfPermission( 6084 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 6085 List<CrossProfileIntentFilter> matches = 6086 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 6087 if (matches != null) { 6088 int size = matches.size(); 6089 for (int i = 0; i < size; i++) { 6090 if (matches.get(i).getTargetUserId() == targetUserId) return true; 6091 } 6092 } 6093 if (hasWebURI(intent)) { 6094 // cross-profile app linking works only towards the parent. 6095 final UserInfo parent = getProfileParent(sourceUserId); 6096 synchronized(mPackages) { 6097 int flags = updateFlagsForResolve(0, parent.id, intent, false); 6098 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 6099 intent, resolvedType, flags, sourceUserId, parent.id); 6100 return xpDomainInfo != null; 6101 } 6102 } 6103 return false; 6104 } 6105 6106 private UserInfo getProfileParent(int userId) { 6107 final long identity = Binder.clearCallingIdentity(); 6108 try { 6109 return sUserManager.getProfileParent(userId); 6110 } finally { 6111 Binder.restoreCallingIdentity(identity); 6112 } 6113 } 6114 6115 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 6116 String resolvedType, int userId) { 6117 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 6118 if (resolver != null) { 6119 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, userId); 6120 } 6121 return null; 6122 } 6123 6124 @Override 6125 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 6126 String resolvedType, int flags, int userId) { 6127 try { 6128 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 6129 6130 return new ParceledListSlice<>( 6131 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 6132 } finally { 6133 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6134 } 6135 } 6136 6137 /** 6138 * Returns the package name of the calling Uid if it's an instant app. If it isn't 6139 * instant, returns {@code null}. 6140 */ 6141 private String getInstantAppPackageName(int callingUid) { 6142 final int appId = UserHandle.getAppId(callingUid); 6143 synchronized (mPackages) { 6144 final Object obj = mSettings.getUserIdLPr(appId); 6145 if (obj instanceof PackageSetting) { 6146 final PackageSetting ps = (PackageSetting) obj; 6147 final boolean isInstantApp = ps.getInstantApp(UserHandle.getUserId(callingUid)); 6148 return isInstantApp ? ps.pkg.packageName : null; 6149 } 6150 } 6151 return null; 6152 } 6153 6154 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6155 String resolvedType, int flags, int userId) { 6156 return queryIntentActivitiesInternal(intent, resolvedType, flags, userId, false); 6157 } 6158 6159 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6160 String resolvedType, int flags, int userId, boolean includeInstantApp) { 6161 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6162 final String instantAppPkgName = getInstantAppPackageName(Binder.getCallingUid()); 6163 flags = updateFlagsForResolve(flags, userId, intent, includeInstantApp); 6164 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6165 false /* requireFullPermission */, false /* checkShell */, 6166 "query intent activities"); 6167 ComponentName comp = intent.getComponent(); 6168 if (comp == null) { 6169 if (intent.getSelector() != null) { 6170 intent = intent.getSelector(); 6171 comp = intent.getComponent(); 6172 } 6173 } 6174 6175 if (comp != null) { 6176 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6177 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 6178 if (ai != null) { 6179 // When specifying an explicit component, we prevent the activity from being 6180 // used when either 1) the calling package is normal and the activity is within 6181 // an ephemeral application or 2) the calling package is ephemeral and the 6182 // activity is not visible to ephemeral applications. 6183 final boolean matchInstantApp = 6184 (flags & PackageManager.MATCH_INSTANT) != 0; 6185 final boolean matchVisibleToInstantAppOnly = 6186 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 6187 final boolean isCallerInstantApp = 6188 instantAppPkgName != null; 6189 final boolean isTargetSameInstantApp = 6190 comp.getPackageName().equals(instantAppPkgName); 6191 final boolean isTargetInstantApp = 6192 (ai.applicationInfo.privateFlags 6193 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 6194 final boolean isTargetHiddenFromInstantApp = 6195 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0; 6196 final boolean blockResolution = 6197 !isTargetSameInstantApp 6198 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 6199 || (matchVisibleToInstantAppOnly && isCallerInstantApp 6200 && isTargetHiddenFromInstantApp)); 6201 if (!blockResolution) { 6202 final ResolveInfo ri = new ResolveInfo(); 6203 ri.activityInfo = ai; 6204 list.add(ri); 6205 } 6206 } 6207 return applyPostResolutionFilter(list, instantAppPkgName); 6208 } 6209 6210 // reader 6211 boolean sortResult = false; 6212 boolean addEphemeral = false; 6213 List<ResolveInfo> result; 6214 final String pkgName = intent.getPackage(); 6215 final boolean ephemeralDisabled = isEphemeralDisabled(); 6216 synchronized (mPackages) { 6217 if (pkgName == null) { 6218 List<CrossProfileIntentFilter> matchingFilters = 6219 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 6220 // Check for results that need to skip the current profile. 6221 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 6222 resolvedType, flags, userId); 6223 if (xpResolveInfo != null) { 6224 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 6225 xpResult.add(xpResolveInfo); 6226 return applyPostResolutionFilter( 6227 filterIfNotSystemUser(xpResult, userId), instantAppPkgName); 6228 } 6229 6230 // Check for results in the current profile. 6231 result = filterIfNotSystemUser(mActivities.queryIntent( 6232 intent, resolvedType, flags, userId), userId); 6233 addEphemeral = !ephemeralDisabled 6234 && isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 6235 6236 // Check for cross profile results. 6237 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 6238 xpResolveInfo = queryCrossProfileIntents( 6239 matchingFilters, intent, resolvedType, flags, userId, 6240 hasNonNegativePriorityResult); 6241 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 6242 boolean isVisibleToUser = filterIfNotSystemUser( 6243 Collections.singletonList(xpResolveInfo), userId).size() > 0; 6244 if (isVisibleToUser) { 6245 result.add(xpResolveInfo); 6246 sortResult = true; 6247 } 6248 } 6249 if (hasWebURI(intent)) { 6250 CrossProfileDomainInfo xpDomainInfo = null; 6251 final UserInfo parent = getProfileParent(userId); 6252 if (parent != null) { 6253 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 6254 flags, userId, parent.id); 6255 } 6256 if (xpDomainInfo != null) { 6257 if (xpResolveInfo != null) { 6258 // If we didn't remove it, the cross-profile ResolveInfo would be twice 6259 // in the result. 6260 result.remove(xpResolveInfo); 6261 } 6262 if (result.size() == 0 && !addEphemeral) { 6263 // No result in current profile, but found candidate in parent user. 6264 // And we are not going to add emphemeral app, so we can return the 6265 // result straight away. 6266 result.add(xpDomainInfo.resolveInfo); 6267 return applyPostResolutionFilter(result, instantAppPkgName); 6268 } 6269 } else if (result.size() <= 1 && !addEphemeral) { 6270 // No result in parent user and <= 1 result in current profile, and we 6271 // are not going to add emphemeral app, so we can return the result without 6272 // further processing. 6273 return applyPostResolutionFilter(result, instantAppPkgName); 6274 } 6275 // We have more than one candidate (combining results from current and parent 6276 // profile), so we need filtering and sorting. 6277 result = filterCandidatesWithDomainPreferredActivitiesLPr( 6278 intent, flags, result, xpDomainInfo, userId); 6279 sortResult = true; 6280 } 6281 } else { 6282 final PackageParser.Package pkg = mPackages.get(pkgName); 6283 if (pkg != null) { 6284 result = applyPostResolutionFilter(filterIfNotSystemUser( 6285 mActivities.queryIntentForPackage( 6286 intent, resolvedType, flags, pkg.activities, userId), 6287 userId), instantAppPkgName); 6288 } else { 6289 // the caller wants to resolve for a particular package; however, there 6290 // were no installed results, so, try to find an ephemeral result 6291 addEphemeral = !ephemeralDisabled 6292 && isEphemeralAllowed( 6293 intent, null /*result*/, userId, true /*skipPackageCheck*/); 6294 result = new ArrayList<ResolveInfo>(); 6295 } 6296 } 6297 } 6298 if (addEphemeral) { 6299 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 6300 final EphemeralRequest requestObject = new EphemeralRequest( 6301 null /*responseObj*/, intent /*origIntent*/, resolvedType, 6302 null /*callingPackage*/, userId); 6303 final AuxiliaryResolveInfo auxiliaryResponse = 6304 EphemeralResolver.doEphemeralResolutionPhaseOne( 6305 mContext, mInstantAppResolverConnection, requestObject); 6306 if (auxiliaryResponse != null) { 6307 if (DEBUG_EPHEMERAL) { 6308 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6309 } 6310 final ResolveInfo ephemeralInstaller = new ResolveInfo(mInstantAppInstallerInfo); 6311 ephemeralInstaller.auxiliaryInfo = auxiliaryResponse; 6312 // make sure this resolver is the default 6313 ephemeralInstaller.isDefault = true; 6314 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6315 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6316 // add a non-generic filter 6317 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 6318 ephemeralInstaller.filter.addDataPath( 6319 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 6320 result.add(ephemeralInstaller); 6321 } 6322 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6323 } 6324 if (sortResult) { 6325 Collections.sort(result, mResolvePrioritySorter); 6326 } 6327 return applyPostResolutionFilter(result, instantAppPkgName); 6328 } 6329 6330 private static class CrossProfileDomainInfo { 6331 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 6332 ResolveInfo resolveInfo; 6333 /* Best domain verification status of the activities found in the other profile */ 6334 int bestDomainVerificationStatus; 6335 } 6336 6337 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 6338 String resolvedType, int flags, int sourceUserId, int parentUserId) { 6339 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 6340 sourceUserId)) { 6341 return null; 6342 } 6343 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6344 resolvedType, flags, parentUserId); 6345 6346 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 6347 return null; 6348 } 6349 CrossProfileDomainInfo result = null; 6350 int size = resultTargetUser.size(); 6351 for (int i = 0; i < size; i++) { 6352 ResolveInfo riTargetUser = resultTargetUser.get(i); 6353 // Intent filter verification is only for filters that specify a host. So don't return 6354 // those that handle all web uris. 6355 if (riTargetUser.handleAllWebDataURI) { 6356 continue; 6357 } 6358 String packageName = riTargetUser.activityInfo.packageName; 6359 PackageSetting ps = mSettings.mPackages.get(packageName); 6360 if (ps == null) { 6361 continue; 6362 } 6363 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 6364 int status = (int)(verificationState >> 32); 6365 if (result == null) { 6366 result = new CrossProfileDomainInfo(); 6367 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 6368 sourceUserId, parentUserId); 6369 result.bestDomainVerificationStatus = status; 6370 } else { 6371 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 6372 result.bestDomainVerificationStatus); 6373 } 6374 } 6375 // Don't consider matches with status NEVER across profiles. 6376 if (result != null && result.bestDomainVerificationStatus 6377 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6378 return null; 6379 } 6380 return result; 6381 } 6382 6383 /** 6384 * Verification statuses are ordered from the worse to the best, except for 6385 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 6386 */ 6387 private int bestDomainVerificationStatus(int status1, int status2) { 6388 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6389 return status2; 6390 } 6391 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6392 return status1; 6393 } 6394 return (int) MathUtils.max(status1, status2); 6395 } 6396 6397 private boolean isUserEnabled(int userId) { 6398 long callingId = Binder.clearCallingIdentity(); 6399 try { 6400 UserInfo userInfo = sUserManager.getUserInfo(userId); 6401 return userInfo != null && userInfo.isEnabled(); 6402 } finally { 6403 Binder.restoreCallingIdentity(callingId); 6404 } 6405 } 6406 6407 /** 6408 * Filter out activities with systemUserOnly flag set, when current user is not System. 6409 * 6410 * @return filtered list 6411 */ 6412 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 6413 if (userId == UserHandle.USER_SYSTEM) { 6414 return resolveInfos; 6415 } 6416 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6417 ResolveInfo info = resolveInfos.get(i); 6418 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 6419 resolveInfos.remove(i); 6420 } 6421 } 6422 return resolveInfos; 6423 } 6424 6425 /** 6426 * Filters out ephemeral activities. 6427 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 6428 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 6429 * 6430 * @param resolveInfos The pre-filtered list of resolved activities 6431 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 6432 * is performed. 6433 * @return A filtered list of resolved activities. 6434 */ 6435 private List<ResolveInfo> applyPostResolutionFilter(List<ResolveInfo> resolveInfos, 6436 String ephemeralPkgName) { 6437 // TODO: When adding on-demand split support for non-instant apps, remove this check 6438 // and always apply post filtering 6439 if (ephemeralPkgName == null) { 6440 return resolveInfos; 6441 } 6442 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6443 final ResolveInfo info = resolveInfos.get(i); 6444 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isInstantApp(); 6445 // allow activities that are defined in the provided package 6446 if (isEphemeralApp && ephemeralPkgName.equals(info.activityInfo.packageName)) { 6447 if (info.activityInfo.splitName != null 6448 && !ArrayUtils.contains(info.activityInfo.applicationInfo.splitNames, 6449 info.activityInfo.splitName)) { 6450 // requested activity is defined in a split that hasn't been installed yet. 6451 // add the installer to the resolve list 6452 if (DEBUG_EPHEMERAL) { 6453 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6454 } 6455 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 6456 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 6457 info.activityInfo.packageName, info.activityInfo.splitName, 6458 info.activityInfo.applicationInfo.versionCode); 6459 // make sure this resolver is the default 6460 installerInfo.isDefault = true; 6461 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6462 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6463 // add a non-generic filter 6464 installerInfo.filter = new IntentFilter(); 6465 // load resources from the correct package 6466 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 6467 resolveInfos.set(i, installerInfo); 6468 } 6469 continue; 6470 } 6471 // allow activities that have been explicitly exposed to ephemeral apps 6472 if (!isEphemeralApp 6473 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) != 0)) { 6474 continue; 6475 } 6476 resolveInfos.remove(i); 6477 } 6478 return resolveInfos; 6479 } 6480 6481 /** 6482 * @param resolveInfos list of resolve infos in descending priority order 6483 * @return if the list contains a resolve info with non-negative priority 6484 */ 6485 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 6486 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 6487 } 6488 6489 private static boolean hasWebURI(Intent intent) { 6490 if (intent.getData() == null) { 6491 return false; 6492 } 6493 final String scheme = intent.getScheme(); 6494 if (TextUtils.isEmpty(scheme)) { 6495 return false; 6496 } 6497 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 6498 } 6499 6500 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 6501 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 6502 int userId) { 6503 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 6504 6505 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6506 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 6507 candidates.size()); 6508 } 6509 6510 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 6511 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 6512 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 6513 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 6514 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 6515 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 6516 6517 synchronized (mPackages) { 6518 final int count = candidates.size(); 6519 // First, try to use linked apps. Partition the candidates into four lists: 6520 // one for the final results, one for the "do not use ever", one for "undefined status" 6521 // and finally one for "browser app type". 6522 for (int n=0; n<count; n++) { 6523 ResolveInfo info = candidates.get(n); 6524 String packageName = info.activityInfo.packageName; 6525 PackageSetting ps = mSettings.mPackages.get(packageName); 6526 if (ps != null) { 6527 // Add to the special match all list (Browser use case) 6528 if (info.handleAllWebDataURI) { 6529 matchAllList.add(info); 6530 continue; 6531 } 6532 // Try to get the status from User settings first 6533 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6534 int status = (int)(packedStatus >> 32); 6535 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6536 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 6537 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6538 Slog.i(TAG, " + always: " + info.activityInfo.packageName 6539 + " : linkgen=" + linkGeneration); 6540 } 6541 // Use link-enabled generation as preferredOrder, i.e. 6542 // prefer newly-enabled over earlier-enabled. 6543 info.preferredOrder = linkGeneration; 6544 alwaysList.add(info); 6545 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6546 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6547 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 6548 } 6549 neverList.add(info); 6550 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6551 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6552 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 6553 } 6554 alwaysAskList.add(info); 6555 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 6556 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 6557 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6558 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 6559 } 6560 undefinedList.add(info); 6561 } 6562 } 6563 } 6564 6565 // We'll want to include browser possibilities in a few cases 6566 boolean includeBrowser = false; 6567 6568 // First try to add the "always" resolution(s) for the current user, if any 6569 if (alwaysList.size() > 0) { 6570 result.addAll(alwaysList); 6571 } else { 6572 // Add all undefined apps as we want them to appear in the disambiguation dialog. 6573 result.addAll(undefinedList); 6574 // Maybe add one for the other profile. 6575 if (xpDomainInfo != null && ( 6576 xpDomainInfo.bestDomainVerificationStatus 6577 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 6578 result.add(xpDomainInfo.resolveInfo); 6579 } 6580 includeBrowser = true; 6581 } 6582 6583 // The presence of any 'always ask' alternatives means we'll also offer browsers. 6584 // If there were 'always' entries their preferred order has been set, so we also 6585 // back that off to make the alternatives equivalent 6586 if (alwaysAskList.size() > 0) { 6587 for (ResolveInfo i : result) { 6588 i.preferredOrder = 0; 6589 } 6590 result.addAll(alwaysAskList); 6591 includeBrowser = true; 6592 } 6593 6594 if (includeBrowser) { 6595 // Also add browsers (all of them or only the default one) 6596 if (DEBUG_DOMAIN_VERIFICATION) { 6597 Slog.v(TAG, " ...including browsers in candidate set"); 6598 } 6599 if ((matchFlags & MATCH_ALL) != 0) { 6600 result.addAll(matchAllList); 6601 } else { 6602 // Browser/generic handling case. If there's a default browser, go straight 6603 // to that (but only if there is no other higher-priority match). 6604 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 6605 int maxMatchPrio = 0; 6606 ResolveInfo defaultBrowserMatch = null; 6607 final int numCandidates = matchAllList.size(); 6608 for (int n = 0; n < numCandidates; n++) { 6609 ResolveInfo info = matchAllList.get(n); 6610 // track the highest overall match priority... 6611 if (info.priority > maxMatchPrio) { 6612 maxMatchPrio = info.priority; 6613 } 6614 // ...and the highest-priority default browser match 6615 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 6616 if (defaultBrowserMatch == null 6617 || (defaultBrowserMatch.priority < info.priority)) { 6618 if (debug) { 6619 Slog.v(TAG, "Considering default browser match " + info); 6620 } 6621 defaultBrowserMatch = info; 6622 } 6623 } 6624 } 6625 if (defaultBrowserMatch != null 6626 && defaultBrowserMatch.priority >= maxMatchPrio 6627 && !TextUtils.isEmpty(defaultBrowserPackageName)) 6628 { 6629 if (debug) { 6630 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 6631 } 6632 result.add(defaultBrowserMatch); 6633 } else { 6634 result.addAll(matchAllList); 6635 } 6636 } 6637 6638 // If there is nothing selected, add all candidates and remove the ones that the user 6639 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 6640 if (result.size() == 0) { 6641 result.addAll(candidates); 6642 result.removeAll(neverList); 6643 } 6644 } 6645 } 6646 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6647 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 6648 result.size()); 6649 for (ResolveInfo info : result) { 6650 Slog.v(TAG, " + " + info.activityInfo); 6651 } 6652 } 6653 return result; 6654 } 6655 6656 // Returns a packed value as a long: 6657 // 6658 // high 'int'-sized word: link status: undefined/ask/never/always. 6659 // low 'int'-sized word: relative priority among 'always' results. 6660 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 6661 long result = ps.getDomainVerificationStatusForUser(userId); 6662 // if none available, get the master status 6663 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 6664 if (ps.getIntentFilterVerificationInfo() != null) { 6665 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 6666 } 6667 } 6668 return result; 6669 } 6670 6671 private ResolveInfo querySkipCurrentProfileIntents( 6672 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6673 int flags, int sourceUserId) { 6674 if (matchingFilters != null) { 6675 int size = matchingFilters.size(); 6676 for (int i = 0; i < size; i ++) { 6677 CrossProfileIntentFilter filter = matchingFilters.get(i); 6678 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 6679 // Checking if there are activities in the target user that can handle the 6680 // intent. 6681 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6682 resolvedType, flags, sourceUserId); 6683 if (resolveInfo != null) { 6684 return resolveInfo; 6685 } 6686 } 6687 } 6688 } 6689 return null; 6690 } 6691 6692 // Return matching ResolveInfo in target user if any. 6693 private ResolveInfo queryCrossProfileIntents( 6694 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6695 int flags, int sourceUserId, boolean matchInCurrentProfile) { 6696 if (matchingFilters != null) { 6697 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 6698 // match the same intent. For performance reasons, it is better not to 6699 // run queryIntent twice for the same userId 6700 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 6701 int size = matchingFilters.size(); 6702 for (int i = 0; i < size; i++) { 6703 CrossProfileIntentFilter filter = matchingFilters.get(i); 6704 int targetUserId = filter.getTargetUserId(); 6705 boolean skipCurrentProfile = 6706 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 6707 boolean skipCurrentProfileIfNoMatchFound = 6708 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 6709 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 6710 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 6711 // Checking if there are activities in the target user that can handle the 6712 // intent. 6713 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6714 resolvedType, flags, sourceUserId); 6715 if (resolveInfo != null) return resolveInfo; 6716 alreadyTriedUserIds.put(targetUserId, true); 6717 } 6718 } 6719 } 6720 return null; 6721 } 6722 6723 /** 6724 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 6725 * will forward the intent to the filter's target user. 6726 * Otherwise, returns null. 6727 */ 6728 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 6729 String resolvedType, int flags, int sourceUserId) { 6730 int targetUserId = filter.getTargetUserId(); 6731 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6732 resolvedType, flags, targetUserId); 6733 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 6734 // If all the matches in the target profile are suspended, return null. 6735 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 6736 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 6737 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 6738 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 6739 targetUserId); 6740 } 6741 } 6742 } 6743 return null; 6744 } 6745 6746 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 6747 int sourceUserId, int targetUserId) { 6748 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 6749 long ident = Binder.clearCallingIdentity(); 6750 boolean targetIsProfile; 6751 try { 6752 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 6753 } finally { 6754 Binder.restoreCallingIdentity(ident); 6755 } 6756 String className; 6757 if (targetIsProfile) { 6758 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 6759 } else { 6760 className = FORWARD_INTENT_TO_PARENT; 6761 } 6762 ComponentName forwardingActivityComponentName = new ComponentName( 6763 mAndroidApplication.packageName, className); 6764 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 6765 sourceUserId); 6766 if (!targetIsProfile) { 6767 forwardingActivityInfo.showUserIcon = targetUserId; 6768 forwardingResolveInfo.noResourceId = true; 6769 } 6770 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 6771 forwardingResolveInfo.priority = 0; 6772 forwardingResolveInfo.preferredOrder = 0; 6773 forwardingResolveInfo.match = 0; 6774 forwardingResolveInfo.isDefault = true; 6775 forwardingResolveInfo.filter = filter; 6776 forwardingResolveInfo.targetUserId = targetUserId; 6777 return forwardingResolveInfo; 6778 } 6779 6780 @Override 6781 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 6782 Intent[] specifics, String[] specificTypes, Intent intent, 6783 String resolvedType, int flags, int userId) { 6784 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 6785 specificTypes, intent, resolvedType, flags, userId)); 6786 } 6787 6788 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 6789 Intent[] specifics, String[] specificTypes, Intent intent, 6790 String resolvedType, int flags, int userId) { 6791 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6792 flags = updateFlagsForResolve(flags, userId, intent, false); 6793 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6794 false /* requireFullPermission */, false /* checkShell */, 6795 "query intent activity options"); 6796 final String resultsAction = intent.getAction(); 6797 6798 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 6799 | PackageManager.GET_RESOLVED_FILTER, userId); 6800 6801 if (DEBUG_INTENT_MATCHING) { 6802 Log.v(TAG, "Query " + intent + ": " + results); 6803 } 6804 6805 int specificsPos = 0; 6806 int N; 6807 6808 // todo: note that the algorithm used here is O(N^2). This 6809 // isn't a problem in our current environment, but if we start running 6810 // into situations where we have more than 5 or 10 matches then this 6811 // should probably be changed to something smarter... 6812 6813 // First we go through and resolve each of the specific items 6814 // that were supplied, taking care of removing any corresponding 6815 // duplicate items in the generic resolve list. 6816 if (specifics != null) { 6817 for (int i=0; i<specifics.length; i++) { 6818 final Intent sintent = specifics[i]; 6819 if (sintent == null) { 6820 continue; 6821 } 6822 6823 if (DEBUG_INTENT_MATCHING) { 6824 Log.v(TAG, "Specific #" + i + ": " + sintent); 6825 } 6826 6827 String action = sintent.getAction(); 6828 if (resultsAction != null && resultsAction.equals(action)) { 6829 // If this action was explicitly requested, then don't 6830 // remove things that have it. 6831 action = null; 6832 } 6833 6834 ResolveInfo ri = null; 6835 ActivityInfo ai = null; 6836 6837 ComponentName comp = sintent.getComponent(); 6838 if (comp == null) { 6839 ri = resolveIntent( 6840 sintent, 6841 specificTypes != null ? specificTypes[i] : null, 6842 flags, userId); 6843 if (ri == null) { 6844 continue; 6845 } 6846 if (ri == mResolveInfo) { 6847 // ACK! Must do something better with this. 6848 } 6849 ai = ri.activityInfo; 6850 comp = new ComponentName(ai.applicationInfo.packageName, 6851 ai.name); 6852 } else { 6853 ai = getActivityInfo(comp, flags, userId); 6854 if (ai == null) { 6855 continue; 6856 } 6857 } 6858 6859 // Look for any generic query activities that are duplicates 6860 // of this specific one, and remove them from the results. 6861 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6862 N = results.size(); 6863 int j; 6864 for (j=specificsPos; j<N; j++) { 6865 ResolveInfo sri = results.get(j); 6866 if ((sri.activityInfo.name.equals(comp.getClassName()) 6867 && sri.activityInfo.applicationInfo.packageName.equals( 6868 comp.getPackageName())) 6869 || (action != null && sri.filter.matchAction(action))) { 6870 results.remove(j); 6871 if (DEBUG_INTENT_MATCHING) Log.v( 6872 TAG, "Removing duplicate item from " + j 6873 + " due to specific " + specificsPos); 6874 if (ri == null) { 6875 ri = sri; 6876 } 6877 j--; 6878 N--; 6879 } 6880 } 6881 6882 // Add this specific item to its proper place. 6883 if (ri == null) { 6884 ri = new ResolveInfo(); 6885 ri.activityInfo = ai; 6886 } 6887 results.add(specificsPos, ri); 6888 ri.specificIndex = i; 6889 specificsPos++; 6890 } 6891 } 6892 6893 // Now we go through the remaining generic results and remove any 6894 // duplicate actions that are found here. 6895 N = results.size(); 6896 for (int i=specificsPos; i<N-1; i++) { 6897 final ResolveInfo rii = results.get(i); 6898 if (rii.filter == null) { 6899 continue; 6900 } 6901 6902 // Iterate over all of the actions of this result's intent 6903 // filter... typically this should be just one. 6904 final Iterator<String> it = rii.filter.actionsIterator(); 6905 if (it == null) { 6906 continue; 6907 } 6908 while (it.hasNext()) { 6909 final String action = it.next(); 6910 if (resultsAction != null && resultsAction.equals(action)) { 6911 // If this action was explicitly requested, then don't 6912 // remove things that have it. 6913 continue; 6914 } 6915 for (int j=i+1; j<N; j++) { 6916 final ResolveInfo rij = results.get(j); 6917 if (rij.filter != null && rij.filter.hasAction(action)) { 6918 results.remove(j); 6919 if (DEBUG_INTENT_MATCHING) Log.v( 6920 TAG, "Removing duplicate item from " + j 6921 + " due to action " + action + " at " + i); 6922 j--; 6923 N--; 6924 } 6925 } 6926 } 6927 6928 // If the caller didn't request filter information, drop it now 6929 // so we don't have to marshall/unmarshall it. 6930 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6931 rii.filter = null; 6932 } 6933 } 6934 6935 // Filter out the caller activity if so requested. 6936 if (caller != null) { 6937 N = results.size(); 6938 for (int i=0; i<N; i++) { 6939 ActivityInfo ainfo = results.get(i).activityInfo; 6940 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6941 && caller.getClassName().equals(ainfo.name)) { 6942 results.remove(i); 6943 break; 6944 } 6945 } 6946 } 6947 6948 // If the caller didn't request filter information, 6949 // drop them now so we don't have to 6950 // marshall/unmarshall it. 6951 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6952 N = results.size(); 6953 for (int i=0; i<N; i++) { 6954 results.get(i).filter = null; 6955 } 6956 } 6957 6958 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6959 return results; 6960 } 6961 6962 @Override 6963 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6964 String resolvedType, int flags, int userId) { 6965 return new ParceledListSlice<>( 6966 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6967 } 6968 6969 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6970 String resolvedType, int flags, int userId) { 6971 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6972 flags = updateFlagsForResolve(flags, userId, intent, false); 6973 ComponentName comp = intent.getComponent(); 6974 if (comp == null) { 6975 if (intent.getSelector() != null) { 6976 intent = intent.getSelector(); 6977 comp = intent.getComponent(); 6978 } 6979 } 6980 if (comp != null) { 6981 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6982 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6983 if (ai != null) { 6984 ResolveInfo ri = new ResolveInfo(); 6985 ri.activityInfo = ai; 6986 list.add(ri); 6987 } 6988 return list; 6989 } 6990 6991 // reader 6992 synchronized (mPackages) { 6993 String pkgName = intent.getPackage(); 6994 if (pkgName == null) { 6995 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6996 } 6997 final PackageParser.Package pkg = mPackages.get(pkgName); 6998 if (pkg != null) { 6999 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 7000 userId); 7001 } 7002 return Collections.emptyList(); 7003 } 7004 } 7005 7006 @Override 7007 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 7008 if (!sUserManager.exists(userId)) return null; 7009 flags = updateFlagsForResolve(flags, userId, intent, false); 7010 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 7011 if (query != null) { 7012 if (query.size() >= 1) { 7013 // If there is more than one service with the same priority, 7014 // just arbitrarily pick the first one. 7015 return query.get(0); 7016 } 7017 } 7018 return null; 7019 } 7020 7021 @Override 7022 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 7023 String resolvedType, int flags, int userId) { 7024 return new ParceledListSlice<>( 7025 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 7026 } 7027 7028 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 7029 String resolvedType, int flags, int userId) { 7030 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7031 flags = updateFlagsForResolve(flags, userId, intent, false); 7032 ComponentName comp = intent.getComponent(); 7033 if (comp == null) { 7034 if (intent.getSelector() != null) { 7035 intent = intent.getSelector(); 7036 comp = intent.getComponent(); 7037 } 7038 } 7039 if (comp != null) { 7040 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7041 final ServiceInfo si = getServiceInfo(comp, flags, userId); 7042 if (si != null) { 7043 final ResolveInfo ri = new ResolveInfo(); 7044 ri.serviceInfo = si; 7045 list.add(ri); 7046 } 7047 return list; 7048 } 7049 7050 // reader 7051 synchronized (mPackages) { 7052 String pkgName = intent.getPackage(); 7053 if (pkgName == null) { 7054 return mServices.queryIntent(intent, resolvedType, flags, userId); 7055 } 7056 final PackageParser.Package pkg = mPackages.get(pkgName); 7057 if (pkg != null) { 7058 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 7059 userId); 7060 } 7061 return Collections.emptyList(); 7062 } 7063 } 7064 7065 @Override 7066 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 7067 String resolvedType, int flags, int userId) { 7068 return new ParceledListSlice<>( 7069 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 7070 } 7071 7072 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 7073 Intent intent, String resolvedType, int flags, int userId) { 7074 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7075 flags = updateFlagsForResolve(flags, userId, intent, false); 7076 ComponentName comp = intent.getComponent(); 7077 if (comp == null) { 7078 if (intent.getSelector() != null) { 7079 intent = intent.getSelector(); 7080 comp = intent.getComponent(); 7081 } 7082 } 7083 if (comp != null) { 7084 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7085 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 7086 if (pi != null) { 7087 final ResolveInfo ri = new ResolveInfo(); 7088 ri.providerInfo = pi; 7089 list.add(ri); 7090 } 7091 return list; 7092 } 7093 7094 // reader 7095 synchronized (mPackages) { 7096 String pkgName = intent.getPackage(); 7097 if (pkgName == null) { 7098 return mProviders.queryIntent(intent, resolvedType, flags, userId); 7099 } 7100 final PackageParser.Package pkg = mPackages.get(pkgName); 7101 if (pkg != null) { 7102 return mProviders.queryIntentForPackage( 7103 intent, resolvedType, flags, pkg.providers, userId); 7104 } 7105 return Collections.emptyList(); 7106 } 7107 } 7108 7109 @Override 7110 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 7111 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7112 flags = updateFlagsForPackage(flags, userId, null); 7113 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7114 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7115 true /* requireFullPermission */, false /* checkShell */, 7116 "get installed packages"); 7117 7118 // writer 7119 synchronized (mPackages) { 7120 ArrayList<PackageInfo> list; 7121 if (listUninstalled) { 7122 list = new ArrayList<>(mSettings.mPackages.size()); 7123 for (PackageSetting ps : mSettings.mPackages.values()) { 7124 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7125 continue; 7126 } 7127 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7128 if (pi != null) { 7129 list.add(pi); 7130 } 7131 } 7132 } else { 7133 list = new ArrayList<>(mPackages.size()); 7134 for (PackageParser.Package p : mPackages.values()) { 7135 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 7136 Binder.getCallingUid(), userId)) { 7137 continue; 7138 } 7139 final PackageInfo pi = generatePackageInfo((PackageSetting) 7140 p.mExtras, flags, userId); 7141 if (pi != null) { 7142 list.add(pi); 7143 } 7144 } 7145 } 7146 7147 return new ParceledListSlice<>(list); 7148 } 7149 } 7150 7151 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 7152 String[] permissions, boolean[] tmp, int flags, int userId) { 7153 int numMatch = 0; 7154 final PermissionsState permissionsState = ps.getPermissionsState(); 7155 for (int i=0; i<permissions.length; i++) { 7156 final String permission = permissions[i]; 7157 if (permissionsState.hasPermission(permission, userId)) { 7158 tmp[i] = true; 7159 numMatch++; 7160 } else { 7161 tmp[i] = false; 7162 } 7163 } 7164 if (numMatch == 0) { 7165 return; 7166 } 7167 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7168 7169 // The above might return null in cases of uninstalled apps or install-state 7170 // skew across users/profiles. 7171 if (pi != null) { 7172 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 7173 if (numMatch == permissions.length) { 7174 pi.requestedPermissions = permissions; 7175 } else { 7176 pi.requestedPermissions = new String[numMatch]; 7177 numMatch = 0; 7178 for (int i=0; i<permissions.length; i++) { 7179 if (tmp[i]) { 7180 pi.requestedPermissions[numMatch] = permissions[i]; 7181 numMatch++; 7182 } 7183 } 7184 } 7185 } 7186 list.add(pi); 7187 } 7188 } 7189 7190 @Override 7191 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 7192 String[] permissions, int flags, int userId) { 7193 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7194 flags = updateFlagsForPackage(flags, userId, permissions); 7195 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7196 true /* requireFullPermission */, false /* checkShell */, 7197 "get packages holding permissions"); 7198 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7199 7200 // writer 7201 synchronized (mPackages) { 7202 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 7203 boolean[] tmpBools = new boolean[permissions.length]; 7204 if (listUninstalled) { 7205 for (PackageSetting ps : mSettings.mPackages.values()) { 7206 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7207 userId); 7208 } 7209 } else { 7210 for (PackageParser.Package pkg : mPackages.values()) { 7211 PackageSetting ps = (PackageSetting)pkg.mExtras; 7212 if (ps != null) { 7213 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7214 userId); 7215 } 7216 } 7217 } 7218 7219 return new ParceledListSlice<PackageInfo>(list); 7220 } 7221 } 7222 7223 @Override 7224 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 7225 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7226 flags = updateFlagsForApplication(flags, userId, null); 7227 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7228 7229 // writer 7230 synchronized (mPackages) { 7231 ArrayList<ApplicationInfo> list; 7232 if (listUninstalled) { 7233 list = new ArrayList<>(mSettings.mPackages.size()); 7234 for (PackageSetting ps : mSettings.mPackages.values()) { 7235 ApplicationInfo ai; 7236 int effectiveFlags = flags; 7237 if (ps.isSystem()) { 7238 effectiveFlags |= PackageManager.MATCH_ANY_USER; 7239 } 7240 if (ps.pkg != null) { 7241 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7242 continue; 7243 } 7244 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 7245 ps.readUserState(userId), userId); 7246 if (ai != null) { 7247 rebaseEnabledOverlays(ai, userId); 7248 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 7249 } 7250 } else { 7251 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 7252 // and already converts to externally visible package name 7253 ai = generateApplicationInfoFromSettingsLPw(ps.name, 7254 Binder.getCallingUid(), effectiveFlags, userId); 7255 } 7256 if (ai != null) { 7257 list.add(ai); 7258 } 7259 } 7260 } else { 7261 list = new ArrayList<>(mPackages.size()); 7262 for (PackageParser.Package p : mPackages.values()) { 7263 if (p.mExtras != null) { 7264 PackageSetting ps = (PackageSetting) p.mExtras; 7265 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7266 continue; 7267 } 7268 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7269 ps.readUserState(userId), userId); 7270 if (ai != null) { 7271 rebaseEnabledOverlays(ai, userId); 7272 ai.packageName = resolveExternalPackageNameLPr(p); 7273 list.add(ai); 7274 } 7275 } 7276 } 7277 } 7278 7279 return new ParceledListSlice<>(list); 7280 } 7281 } 7282 7283 @Override 7284 public ParceledListSlice<InstantAppInfo> getInstantApps(int userId) { 7285 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7286 return null; 7287 } 7288 7289 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7290 "getEphemeralApplications"); 7291 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7292 true /* requireFullPermission */, false /* checkShell */, 7293 "getEphemeralApplications"); 7294 synchronized (mPackages) { 7295 List<InstantAppInfo> instantApps = mInstantAppRegistry 7296 .getInstantAppsLPr(userId); 7297 if (instantApps != null) { 7298 return new ParceledListSlice<>(instantApps); 7299 } 7300 } 7301 return null; 7302 } 7303 7304 @Override 7305 public boolean isInstantApp(String packageName, int userId) { 7306 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7307 true /* requireFullPermission */, false /* checkShell */, 7308 "isInstantApp"); 7309 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7310 return false; 7311 } 7312 7313 if (!isCallerSameApp(packageName)) { 7314 return false; 7315 } 7316 synchronized (mPackages) { 7317 final PackageSetting ps = mSettings.mPackages.get(packageName); 7318 if (ps != null) { 7319 return ps.getInstantApp(userId); 7320 } 7321 } 7322 return false; 7323 } 7324 7325 @Override 7326 public byte[] getInstantAppCookie(String packageName, int userId) { 7327 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7328 return null; 7329 } 7330 7331 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7332 true /* requireFullPermission */, false /* checkShell */, 7333 "getInstantAppCookie"); 7334 if (!isCallerSameApp(packageName)) { 7335 return null; 7336 } 7337 synchronized (mPackages) { 7338 return mInstantAppRegistry.getInstantAppCookieLPw( 7339 packageName, userId); 7340 } 7341 } 7342 7343 @Override 7344 public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) { 7345 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7346 return true; 7347 } 7348 7349 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7350 true /* requireFullPermission */, true /* checkShell */, 7351 "setInstantAppCookie"); 7352 if (!isCallerSameApp(packageName)) { 7353 return false; 7354 } 7355 synchronized (mPackages) { 7356 return mInstantAppRegistry.setInstantAppCookieLPw( 7357 packageName, cookie, userId); 7358 } 7359 } 7360 7361 @Override 7362 public Bitmap getInstantAppIcon(String packageName, int userId) { 7363 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7364 return null; 7365 } 7366 7367 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7368 "getInstantAppIcon"); 7369 7370 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7371 true /* requireFullPermission */, false /* checkShell */, 7372 "getInstantAppIcon"); 7373 7374 synchronized (mPackages) { 7375 return mInstantAppRegistry.getInstantAppIconLPw( 7376 packageName, userId); 7377 } 7378 } 7379 7380 private boolean isCallerSameApp(String packageName) { 7381 PackageParser.Package pkg = mPackages.get(packageName); 7382 return pkg != null 7383 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 7384 } 7385 7386 @Override 7387 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 7388 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 7389 } 7390 7391 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 7392 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 7393 7394 // reader 7395 synchronized (mPackages) { 7396 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 7397 final int userId = UserHandle.getCallingUserId(); 7398 while (i.hasNext()) { 7399 final PackageParser.Package p = i.next(); 7400 if (p.applicationInfo == null) continue; 7401 7402 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 7403 && !p.applicationInfo.isDirectBootAware(); 7404 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 7405 && p.applicationInfo.isDirectBootAware(); 7406 7407 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 7408 && (!mSafeMode || isSystemApp(p)) 7409 && (matchesUnaware || matchesAware)) { 7410 PackageSetting ps = mSettings.mPackages.get(p.packageName); 7411 if (ps != null) { 7412 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7413 ps.readUserState(userId), userId); 7414 if (ai != null) { 7415 rebaseEnabledOverlays(ai, userId); 7416 finalList.add(ai); 7417 } 7418 } 7419 } 7420 } 7421 } 7422 7423 return finalList; 7424 } 7425 7426 @Override 7427 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 7428 if (!sUserManager.exists(userId)) return null; 7429 flags = updateFlagsForComponent(flags, userId, name); 7430 // reader 7431 synchronized (mPackages) { 7432 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 7433 PackageSetting ps = provider != null 7434 ? mSettings.mPackages.get(provider.owner.packageName) 7435 : null; 7436 return ps != null 7437 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 7438 ? PackageParser.generateProviderInfo(provider, flags, 7439 ps.readUserState(userId), userId) 7440 : null; 7441 } 7442 } 7443 7444 /** 7445 * @deprecated 7446 */ 7447 @Deprecated 7448 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 7449 // reader 7450 synchronized (mPackages) { 7451 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 7452 .entrySet().iterator(); 7453 final int userId = UserHandle.getCallingUserId(); 7454 while (i.hasNext()) { 7455 Map.Entry<String, PackageParser.Provider> entry = i.next(); 7456 PackageParser.Provider p = entry.getValue(); 7457 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7458 7459 if (ps != null && p.syncable 7460 && (!mSafeMode || (p.info.applicationInfo.flags 7461 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 7462 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 7463 ps.readUserState(userId), userId); 7464 if (info != null) { 7465 outNames.add(entry.getKey()); 7466 outInfo.add(info); 7467 } 7468 } 7469 } 7470 } 7471 } 7472 7473 @Override 7474 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 7475 int uid, int flags, String metaDataKey) { 7476 final int userId = processName != null ? UserHandle.getUserId(uid) 7477 : UserHandle.getCallingUserId(); 7478 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7479 flags = updateFlagsForComponent(flags, userId, processName); 7480 7481 ArrayList<ProviderInfo> finalList = null; 7482 // reader 7483 synchronized (mPackages) { 7484 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 7485 while (i.hasNext()) { 7486 final PackageParser.Provider p = i.next(); 7487 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7488 if (ps != null && p.info.authority != null 7489 && (processName == null 7490 || (p.info.processName.equals(processName) 7491 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 7492 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 7493 7494 // See PM.queryContentProviders()'s javadoc for why we have the metaData 7495 // parameter. 7496 if (metaDataKey != null 7497 && (p.metaData == null || !p.metaData.containsKey(metaDataKey))) { 7498 continue; 7499 } 7500 7501 if (finalList == null) { 7502 finalList = new ArrayList<ProviderInfo>(3); 7503 } 7504 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 7505 ps.readUserState(userId), userId); 7506 if (info != null) { 7507 finalList.add(info); 7508 } 7509 } 7510 } 7511 } 7512 7513 if (finalList != null) { 7514 Collections.sort(finalList, mProviderInitOrderSorter); 7515 return new ParceledListSlice<ProviderInfo>(finalList); 7516 } 7517 7518 return ParceledListSlice.emptyList(); 7519 } 7520 7521 @Override 7522 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 7523 // reader 7524 synchronized (mPackages) { 7525 final PackageParser.Instrumentation i = mInstrumentation.get(name); 7526 return PackageParser.generateInstrumentationInfo(i, flags); 7527 } 7528 } 7529 7530 @Override 7531 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 7532 String targetPackage, int flags) { 7533 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 7534 } 7535 7536 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 7537 int flags) { 7538 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 7539 7540 // reader 7541 synchronized (mPackages) { 7542 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 7543 while (i.hasNext()) { 7544 final PackageParser.Instrumentation p = i.next(); 7545 if (targetPackage == null 7546 || targetPackage.equals(p.info.targetPackage)) { 7547 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 7548 flags); 7549 if (ii != null) { 7550 finalList.add(ii); 7551 } 7552 } 7553 } 7554 } 7555 7556 return finalList; 7557 } 7558 7559 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 7560 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 7561 try { 7562 scanDirLI(dir, parseFlags, scanFlags, currentTime); 7563 } finally { 7564 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7565 } 7566 } 7567 7568 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 7569 final File[] files = dir.listFiles(); 7570 if (ArrayUtils.isEmpty(files)) { 7571 Log.d(TAG, "No files in app dir " + dir); 7572 return; 7573 } 7574 7575 if (DEBUG_PACKAGE_SCANNING) { 7576 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 7577 + " flags=0x" + Integer.toHexString(parseFlags)); 7578 } 7579 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 7580 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir); 7581 7582 // Submit files for parsing in parallel 7583 int fileCount = 0; 7584 for (File file : files) { 7585 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 7586 && !PackageInstallerService.isStageName(file.getName()); 7587 if (!isPackage) { 7588 // Ignore entries which are not packages 7589 continue; 7590 } 7591 parallelPackageParser.submit(file, parseFlags); 7592 fileCount++; 7593 } 7594 7595 // Process results one by one 7596 for (; fileCount > 0; fileCount--) { 7597 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 7598 Throwable throwable = parseResult.throwable; 7599 int errorCode = PackageManager.INSTALL_SUCCEEDED; 7600 7601 if (throwable == null) { 7602 // Static shared libraries have synthetic package names 7603 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 7604 renameStaticSharedLibraryPackage(parseResult.pkg); 7605 } 7606 try { 7607 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 7608 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 7609 currentTime, null); 7610 } 7611 } catch (PackageManagerException e) { 7612 errorCode = e.error; 7613 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 7614 } 7615 } else if (throwable instanceof PackageParser.PackageParserException) { 7616 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 7617 throwable; 7618 errorCode = e.error; 7619 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 7620 } else { 7621 throw new IllegalStateException("Unexpected exception occurred while parsing " 7622 + parseResult.scanFile, throwable); 7623 } 7624 7625 // Delete invalid userdata apps 7626 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 7627 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 7628 logCriticalInfo(Log.WARN, 7629 "Deleting invalid package at " + parseResult.scanFile); 7630 removeCodePathLI(parseResult.scanFile); 7631 } 7632 } 7633 parallelPackageParser.close(); 7634 } 7635 7636 private static File getSettingsProblemFile() { 7637 File dataDir = Environment.getDataDirectory(); 7638 File systemDir = new File(dataDir, "system"); 7639 File fname = new File(systemDir, "uiderrors.txt"); 7640 return fname; 7641 } 7642 7643 static void reportSettingsProblem(int priority, String msg) { 7644 logCriticalInfo(priority, msg); 7645 } 7646 7647 static void logCriticalInfo(int priority, String msg) { 7648 Slog.println(priority, TAG, msg); 7649 EventLogTags.writePmCriticalInfo(msg); 7650 try { 7651 File fname = getSettingsProblemFile(); 7652 FileOutputStream out = new FileOutputStream(fname, true); 7653 PrintWriter pw = new FastPrintWriter(out); 7654 SimpleDateFormat formatter = new SimpleDateFormat(); 7655 String dateString = formatter.format(new Date(System.currentTimeMillis())); 7656 pw.println(dateString + ": " + msg); 7657 pw.close(); 7658 FileUtils.setPermissions( 7659 fname.toString(), 7660 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 7661 -1, -1); 7662 } catch (java.io.IOException e) { 7663 } 7664 } 7665 7666 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 7667 if (srcFile.isDirectory()) { 7668 final File baseFile = new File(pkg.baseCodePath); 7669 long maxModifiedTime = baseFile.lastModified(); 7670 if (pkg.splitCodePaths != null) { 7671 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 7672 final File splitFile = new File(pkg.splitCodePaths[i]); 7673 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 7674 } 7675 } 7676 return maxModifiedTime; 7677 } 7678 return srcFile.lastModified(); 7679 } 7680 7681 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 7682 final int policyFlags) throws PackageManagerException { 7683 // When upgrading from pre-N MR1, verify the package time stamp using the package 7684 // directory and not the APK file. 7685 final long lastModifiedTime = mIsPreNMR1Upgrade 7686 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 7687 if (ps != null 7688 && ps.codePath.equals(srcFile) 7689 && ps.timeStamp == lastModifiedTime 7690 && !isCompatSignatureUpdateNeeded(pkg) 7691 && !isRecoverSignatureUpdateNeeded(pkg)) { 7692 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 7693 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7694 ArraySet<PublicKey> signingKs; 7695 synchronized (mPackages) { 7696 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 7697 } 7698 if (ps.signatures.mSignatures != null 7699 && ps.signatures.mSignatures.length != 0 7700 && signingKs != null) { 7701 // Optimization: reuse the existing cached certificates 7702 // if the package appears to be unchanged. 7703 pkg.mSignatures = ps.signatures.mSignatures; 7704 pkg.mSigningKeys = signingKs; 7705 return; 7706 } 7707 7708 Slog.w(TAG, "PackageSetting for " + ps.name 7709 + " is missing signatures. Collecting certs again to recover them."); 7710 } else { 7711 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 7712 } 7713 7714 try { 7715 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 7716 PackageParser.collectCertificates(pkg, policyFlags); 7717 } catch (PackageParserException e) { 7718 throw PackageManagerException.from(e); 7719 } finally { 7720 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7721 } 7722 } 7723 7724 /** 7725 * Traces a package scan. 7726 * @see #scanPackageLI(File, int, int, long, UserHandle) 7727 */ 7728 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 7729 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7730 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 7731 try { 7732 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 7733 } finally { 7734 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7735 } 7736 } 7737 7738 /** 7739 * Scans a package and returns the newly parsed package. 7740 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 7741 */ 7742 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 7743 long currentTime, UserHandle user) throws PackageManagerException { 7744 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 7745 PackageParser pp = new PackageParser(); 7746 pp.setSeparateProcesses(mSeparateProcesses); 7747 pp.setOnlyCoreApps(mOnlyCore); 7748 pp.setDisplayMetrics(mMetrics); 7749 7750 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 7751 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 7752 } 7753 7754 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 7755 final PackageParser.Package pkg; 7756 try { 7757 pkg = pp.parsePackage(scanFile, parseFlags); 7758 } catch (PackageParserException e) { 7759 throw PackageManagerException.from(e); 7760 } finally { 7761 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7762 } 7763 7764 // Static shared libraries have synthetic package names 7765 if (pkg.applicationInfo.isStaticSharedLibrary()) { 7766 renameStaticSharedLibraryPackage(pkg); 7767 } 7768 7769 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 7770 } 7771 7772 /** 7773 * Scans a package and returns the newly parsed package. 7774 * @throws PackageManagerException on a parse error. 7775 */ 7776 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 7777 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 7778 throws PackageManagerException { 7779 // If the package has children and this is the first dive in the function 7780 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 7781 // packages (parent and children) would be successfully scanned before the 7782 // actual scan since scanning mutates internal state and we want to atomically 7783 // install the package and its children. 7784 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7785 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7786 scanFlags |= SCAN_CHECK_ONLY; 7787 } 7788 } else { 7789 scanFlags &= ~SCAN_CHECK_ONLY; 7790 } 7791 7792 // Scan the parent 7793 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 7794 scanFlags, currentTime, user); 7795 7796 // Scan the children 7797 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7798 for (int i = 0; i < childCount; i++) { 7799 PackageParser.Package childPackage = pkg.childPackages.get(i); 7800 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 7801 currentTime, user); 7802 } 7803 7804 7805 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7806 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 7807 } 7808 7809 return scannedPkg; 7810 } 7811 7812 /** 7813 * Scans a package and returns the newly parsed package. 7814 * @throws PackageManagerException on a parse error. 7815 */ 7816 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 7817 int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 7818 throws PackageManagerException { 7819 PackageSetting ps = null; 7820 PackageSetting updatedPkg; 7821 // reader 7822 synchronized (mPackages) { 7823 // Look to see if we already know about this package. 7824 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 7825 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 7826 // This package has been renamed to its original name. Let's 7827 // use that. 7828 ps = mSettings.getPackageLPr(oldName); 7829 } 7830 // If there was no original package, see one for the real package name. 7831 if (ps == null) { 7832 ps = mSettings.getPackageLPr(pkg.packageName); 7833 } 7834 // Check to see if this package could be hiding/updating a system 7835 // package. Must look for it either under the original or real 7836 // package name depending on our state. 7837 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 7838 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 7839 7840 // If this is a package we don't know about on the system partition, we 7841 // may need to remove disabled child packages on the system partition 7842 // or may need to not add child packages if the parent apk is updated 7843 // on the data partition and no longer defines this child package. 7844 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7845 // If this is a parent package for an updated system app and this system 7846 // app got an OTA update which no longer defines some of the child packages 7847 // we have to prune them from the disabled system packages. 7848 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 7849 if (disabledPs != null) { 7850 final int scannedChildCount = (pkg.childPackages != null) 7851 ? pkg.childPackages.size() : 0; 7852 final int disabledChildCount = disabledPs.childPackageNames != null 7853 ? disabledPs.childPackageNames.size() : 0; 7854 for (int i = 0; i < disabledChildCount; i++) { 7855 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 7856 boolean disabledPackageAvailable = false; 7857 for (int j = 0; j < scannedChildCount; j++) { 7858 PackageParser.Package childPkg = pkg.childPackages.get(j); 7859 if (childPkg.packageName.equals(disabledChildPackageName)) { 7860 disabledPackageAvailable = true; 7861 break; 7862 } 7863 } 7864 if (!disabledPackageAvailable) { 7865 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 7866 } 7867 } 7868 } 7869 } 7870 } 7871 7872 boolean updatedPkgBetter = false; 7873 // First check if this is a system package that may involve an update 7874 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7875 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7876 // it needs to drop FLAG_PRIVILEGED. 7877 if (locationIsPrivileged(scanFile)) { 7878 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7879 } else { 7880 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7881 } 7882 7883 if (ps != null && !ps.codePath.equals(scanFile)) { 7884 // The path has changed from what was last scanned... check the 7885 // version of the new path against what we have stored to determine 7886 // what to do. 7887 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7888 if (pkg.mVersionCode <= ps.versionCode) { 7889 // The system package has been updated and the code path does not match 7890 // Ignore entry. Skip it. 7891 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7892 + " ignored: updated version " + ps.versionCode 7893 + " better than this " + pkg.mVersionCode); 7894 if (!updatedPkg.codePath.equals(scanFile)) { 7895 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7896 + ps.name + " changing from " + updatedPkg.codePathString 7897 + " to " + scanFile); 7898 updatedPkg.codePath = scanFile; 7899 updatedPkg.codePathString = scanFile.toString(); 7900 updatedPkg.resourcePath = scanFile; 7901 updatedPkg.resourcePathString = scanFile.toString(); 7902 } 7903 updatedPkg.pkg = pkg; 7904 updatedPkg.versionCode = pkg.mVersionCode; 7905 7906 // Update the disabled system child packages to point to the package too. 7907 final int childCount = updatedPkg.childPackageNames != null 7908 ? updatedPkg.childPackageNames.size() : 0; 7909 for (int i = 0; i < childCount; i++) { 7910 String childPackageName = updatedPkg.childPackageNames.get(i); 7911 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7912 childPackageName); 7913 if (updatedChildPkg != null) { 7914 updatedChildPkg.pkg = pkg; 7915 updatedChildPkg.versionCode = pkg.mVersionCode; 7916 } 7917 } 7918 7919 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7920 + scanFile + " ignored: updated version " + ps.versionCode 7921 + " better than this " + pkg.mVersionCode); 7922 } else { 7923 // The current app on the system partition is better than 7924 // what we have updated to on the data partition; switch 7925 // back to the system partition version. 7926 // At this point, its safely assumed that package installation for 7927 // apps in system partition will go through. If not there won't be a working 7928 // version of the app 7929 // writer 7930 synchronized (mPackages) { 7931 // Just remove the loaded entries from package lists. 7932 mPackages.remove(ps.name); 7933 } 7934 7935 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7936 + " reverting from " + ps.codePathString 7937 + ": new version " + pkg.mVersionCode 7938 + " better than installed " + ps.versionCode); 7939 7940 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7941 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7942 synchronized (mInstallLock) { 7943 args.cleanUpResourcesLI(); 7944 } 7945 synchronized (mPackages) { 7946 mSettings.enableSystemPackageLPw(ps.name); 7947 } 7948 updatedPkgBetter = true; 7949 } 7950 } 7951 } 7952 7953 if (updatedPkg != null) { 7954 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7955 // initially 7956 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7957 7958 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7959 // flag set initially 7960 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7961 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7962 } 7963 } 7964 7965 // Verify certificates against what was last scanned 7966 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7967 7968 /* 7969 * A new system app appeared, but we already had a non-system one of the 7970 * same name installed earlier. 7971 */ 7972 boolean shouldHideSystemApp = false; 7973 if (updatedPkg == null && ps != null 7974 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7975 /* 7976 * Check to make sure the signatures match first. If they don't, 7977 * wipe the installed application and its data. 7978 */ 7979 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7980 != PackageManager.SIGNATURE_MATCH) { 7981 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7982 + " signatures don't match existing userdata copy; removing"); 7983 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7984 "scanPackageInternalLI")) { 7985 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7986 } 7987 ps = null; 7988 } else { 7989 /* 7990 * If the newly-added system app is an older version than the 7991 * already installed version, hide it. It will be scanned later 7992 * and re-added like an update. 7993 */ 7994 if (pkg.mVersionCode <= ps.versionCode) { 7995 shouldHideSystemApp = true; 7996 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7997 + " but new version " + pkg.mVersionCode + " better than installed " 7998 + ps.versionCode + "; hiding system"); 7999 } else { 8000 /* 8001 * The newly found system app is a newer version that the 8002 * one previously installed. Simply remove the 8003 * already-installed application and replace it with our own 8004 * while keeping the application data. 8005 */ 8006 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 8007 + " reverting from " + ps.codePathString + ": new version " 8008 + pkg.mVersionCode + " better than installed " + ps.versionCode); 8009 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 8010 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 8011 synchronized (mInstallLock) { 8012 args.cleanUpResourcesLI(); 8013 } 8014 } 8015 } 8016 } 8017 8018 // The apk is forward locked (not public) if its code and resources 8019 // are kept in different files. (except for app in either system or 8020 // vendor path). 8021 // TODO grab this value from PackageSettings 8022 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8023 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 8024 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 8025 } 8026 } 8027 8028 // TODO: extend to support forward-locked splits 8029 String resourcePath = null; 8030 String baseResourcePath = null; 8031 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 8032 if (ps != null && ps.resourcePathString != null) { 8033 resourcePath = ps.resourcePathString; 8034 baseResourcePath = ps.resourcePathString; 8035 } else { 8036 // Should not happen at all. Just log an error. 8037 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 8038 } 8039 } else { 8040 resourcePath = pkg.codePath; 8041 baseResourcePath = pkg.baseCodePath; 8042 } 8043 8044 // Set application objects path explicitly. 8045 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 8046 pkg.setApplicationInfoCodePath(pkg.codePath); 8047 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 8048 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 8049 pkg.setApplicationInfoResourcePath(resourcePath); 8050 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 8051 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 8052 8053 final int userId = ((user == null) ? 0 : user.getIdentifier()); 8054 if (ps != null && ps.getInstantApp(userId)) { 8055 scanFlags |= SCAN_AS_INSTANT_APP; 8056 } 8057 8058 // Note that we invoke the following method only if we are about to unpack an application 8059 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 8060 | SCAN_UPDATE_SIGNATURE, currentTime, user); 8061 8062 /* 8063 * If the system app should be overridden by a previously installed 8064 * data, hide the system app now and let the /data/app scan pick it up 8065 * again. 8066 */ 8067 if (shouldHideSystemApp) { 8068 synchronized (mPackages) { 8069 mSettings.disableSystemPackageLPw(pkg.packageName, true); 8070 } 8071 } 8072 8073 return scannedPkg; 8074 } 8075 8076 private void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 8077 // Derive the new package synthetic package name 8078 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 8079 + pkg.staticSharedLibVersion); 8080 } 8081 8082 private static String fixProcessName(String defProcessName, 8083 String processName) { 8084 if (processName == null) { 8085 return defProcessName; 8086 } 8087 return processName; 8088 } 8089 8090 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 8091 throws PackageManagerException { 8092 if (pkgSetting.signatures.mSignatures != null) { 8093 // Already existing package. Make sure signatures match 8094 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 8095 == PackageManager.SIGNATURE_MATCH; 8096 if (!match) { 8097 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 8098 == PackageManager.SIGNATURE_MATCH; 8099 } 8100 if (!match) { 8101 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 8102 == PackageManager.SIGNATURE_MATCH; 8103 } 8104 if (!match) { 8105 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 8106 + pkg.packageName + " signatures do not match the " 8107 + "previously installed version; ignoring!"); 8108 } 8109 } 8110 8111 // Check for shared user signatures 8112 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 8113 // Already existing package. Make sure signatures match 8114 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8115 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 8116 if (!match) { 8117 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 8118 == PackageManager.SIGNATURE_MATCH; 8119 } 8120 if (!match) { 8121 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 8122 == PackageManager.SIGNATURE_MATCH; 8123 } 8124 if (!match) { 8125 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 8126 "Package " + pkg.packageName 8127 + " has no signatures that match those in shared user " 8128 + pkgSetting.sharedUser.name + "; ignoring!"); 8129 } 8130 } 8131 } 8132 8133 /** 8134 * Enforces that only the system UID or root's UID can call a method exposed 8135 * via Binder. 8136 * 8137 * @param message used as message if SecurityException is thrown 8138 * @throws SecurityException if the caller is not system or root 8139 */ 8140 private static final void enforceSystemOrRoot(String message) { 8141 final int uid = Binder.getCallingUid(); 8142 if (uid != Process.SYSTEM_UID && uid != 0) { 8143 throw new SecurityException(message); 8144 } 8145 } 8146 8147 @Override 8148 public void performFstrimIfNeeded() { 8149 enforceSystemOrRoot("Only the system can request fstrim"); 8150 8151 // Before everything else, see whether we need to fstrim. 8152 try { 8153 IStorageManager sm = PackageHelper.getStorageManager(); 8154 if (sm != null) { 8155 boolean doTrim = false; 8156 final long interval = android.provider.Settings.Global.getLong( 8157 mContext.getContentResolver(), 8158 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 8159 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 8160 if (interval > 0) { 8161 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 8162 if (timeSinceLast > interval) { 8163 doTrim = true; 8164 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 8165 + "; running immediately"); 8166 } 8167 } 8168 if (doTrim) { 8169 final boolean dexOptDialogShown; 8170 synchronized (mPackages) { 8171 dexOptDialogShown = mDexOptDialogShown; 8172 } 8173 if (!isFirstBoot() && dexOptDialogShown) { 8174 try { 8175 ActivityManager.getService().showBootMessage( 8176 mContext.getResources().getString( 8177 R.string.android_upgrading_fstrim), true); 8178 } catch (RemoteException e) { 8179 } 8180 } 8181 sm.runMaintenance(); 8182 } 8183 } else { 8184 Slog.e(TAG, "storageManager service unavailable!"); 8185 } 8186 } catch (RemoteException e) { 8187 // Can't happen; StorageManagerService is local 8188 } 8189 } 8190 8191 @Override 8192 public void updatePackagesIfNeeded() { 8193 enforceSystemOrRoot("Only the system can request package update"); 8194 8195 // We need to re-extract after an OTA. 8196 boolean causeUpgrade = isUpgrade(); 8197 8198 // First boot or factory reset. 8199 // Note: we also handle devices that are upgrading to N right now as if it is their 8200 // first boot, as they do not have profile data. 8201 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 8202 8203 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 8204 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 8205 8206 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 8207 return; 8208 } 8209 8210 List<PackageParser.Package> pkgs; 8211 synchronized (mPackages) { 8212 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 8213 } 8214 8215 final long startTime = System.nanoTime(); 8216 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 8217 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 8218 8219 final int elapsedTimeSeconds = 8220 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 8221 8222 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 8223 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 8224 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 8225 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 8226 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 8227 } 8228 8229 /** 8230 * Performs dexopt on the set of packages in {@code packages} and returns an int array 8231 * containing statistics about the invocation. The array consists of three elements, 8232 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 8233 * and {@code numberOfPackagesFailed}. 8234 */ 8235 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 8236 String compilerFilter) { 8237 8238 int numberOfPackagesVisited = 0; 8239 int numberOfPackagesOptimized = 0; 8240 int numberOfPackagesSkipped = 0; 8241 int numberOfPackagesFailed = 0; 8242 final int numberOfPackagesToDexopt = pkgs.size(); 8243 8244 for (PackageParser.Package pkg : pkgs) { 8245 numberOfPackagesVisited++; 8246 8247 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 8248 if (DEBUG_DEXOPT) { 8249 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 8250 } 8251 numberOfPackagesSkipped++; 8252 continue; 8253 } 8254 8255 if (DEBUG_DEXOPT) { 8256 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 8257 numberOfPackagesToDexopt + ": " + pkg.packageName); 8258 } 8259 8260 if (showDialog) { 8261 try { 8262 ActivityManager.getService().showBootMessage( 8263 mContext.getResources().getString(R.string.android_upgrading_apk, 8264 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 8265 } catch (RemoteException e) { 8266 } 8267 synchronized (mPackages) { 8268 mDexOptDialogShown = true; 8269 } 8270 } 8271 8272 // If the OTA updates a system app which was previously preopted to a non-preopted state 8273 // the app might end up being verified at runtime. That's because by default the apps 8274 // are verify-profile but for preopted apps there's no profile. 8275 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 8276 // that before the OTA the app was preopted) the app gets compiled with a non-profile 8277 // filter (by default interpret-only). 8278 // Note that at this stage unused apps are already filtered. 8279 if (isSystemApp(pkg) && 8280 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 8281 !Environment.getReferenceProfile(pkg.packageName).exists()) { 8282 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 8283 } 8284 8285 // checkProfiles is false to avoid merging profiles during boot which 8286 // might interfere with background compilation (b/28612421). 8287 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 8288 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 8289 // trade-off worth doing to save boot time work. 8290 int dexOptStatus = performDexOptTraced(pkg.packageName, 8291 false /* checkProfiles */, 8292 compilerFilter, 8293 false /* force */); 8294 switch (dexOptStatus) { 8295 case PackageDexOptimizer.DEX_OPT_PERFORMED: 8296 numberOfPackagesOptimized++; 8297 break; 8298 case PackageDexOptimizer.DEX_OPT_SKIPPED: 8299 numberOfPackagesSkipped++; 8300 break; 8301 case PackageDexOptimizer.DEX_OPT_FAILED: 8302 numberOfPackagesFailed++; 8303 break; 8304 default: 8305 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 8306 break; 8307 } 8308 } 8309 8310 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 8311 numberOfPackagesFailed }; 8312 } 8313 8314 @Override 8315 public void notifyPackageUse(String packageName, int reason) { 8316 synchronized (mPackages) { 8317 PackageParser.Package p = mPackages.get(packageName); 8318 if (p == null) { 8319 return; 8320 } 8321 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 8322 } 8323 } 8324 8325 @Override 8326 public void notifyDexLoad(String loadingPackageName, List<String> dexPaths, String loaderIsa) { 8327 int userId = UserHandle.getCallingUserId(); 8328 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 8329 if (ai == null) { 8330 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 8331 + loadingPackageName + ", user=" + userId); 8332 return; 8333 } 8334 mDexManager.notifyDexLoad(ai, dexPaths, loaderIsa, userId); 8335 } 8336 8337 // TODO: this is not used nor needed. Delete it. 8338 @Override 8339 public boolean performDexOptIfNeeded(String packageName) { 8340 int dexOptStatus = performDexOptTraced(packageName, 8341 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 8342 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8343 } 8344 8345 @Override 8346 public boolean performDexOpt(String packageName, 8347 boolean checkProfiles, int compileReason, boolean force) { 8348 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8349 getCompilerFilterForReason(compileReason), force); 8350 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8351 } 8352 8353 @Override 8354 public boolean performDexOptMode(String packageName, 8355 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8356 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8357 targetCompilerFilter, force); 8358 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8359 } 8360 8361 private int performDexOptTraced(String packageName, 8362 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8363 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8364 try { 8365 return performDexOptInternal(packageName, checkProfiles, 8366 targetCompilerFilter, force); 8367 } finally { 8368 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8369 } 8370 } 8371 8372 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 8373 // if the package can now be considered up to date for the given filter. 8374 private int performDexOptInternal(String packageName, 8375 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8376 PackageParser.Package p; 8377 synchronized (mPackages) { 8378 p = mPackages.get(packageName); 8379 if (p == null) { 8380 // Package could not be found. Report failure. 8381 return PackageDexOptimizer.DEX_OPT_FAILED; 8382 } 8383 mPackageUsage.maybeWriteAsync(mPackages); 8384 mCompilerStats.maybeWriteAsync(); 8385 } 8386 long callingId = Binder.clearCallingIdentity(); 8387 try { 8388 synchronized (mInstallLock) { 8389 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 8390 targetCompilerFilter, force); 8391 } 8392 } finally { 8393 Binder.restoreCallingIdentity(callingId); 8394 } 8395 } 8396 8397 public ArraySet<String> getOptimizablePackages() { 8398 ArraySet<String> pkgs = new ArraySet<String>(); 8399 synchronized (mPackages) { 8400 for (PackageParser.Package p : mPackages.values()) { 8401 if (PackageDexOptimizer.canOptimizePackage(p)) { 8402 pkgs.add(p.packageName); 8403 } 8404 } 8405 } 8406 return pkgs; 8407 } 8408 8409 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 8410 boolean checkProfiles, String targetCompilerFilter, 8411 boolean force) { 8412 // Select the dex optimizer based on the force parameter. 8413 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 8414 // allocate an object here. 8415 PackageDexOptimizer pdo = force 8416 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 8417 : mPackageDexOptimizer; 8418 8419 // Optimize all dependencies first. Note: we ignore the return value and march on 8420 // on errors. 8421 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 8422 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 8423 if (!deps.isEmpty()) { 8424 for (PackageParser.Package depPackage : deps) { 8425 // TODO: Analyze and investigate if we (should) profile libraries. 8426 // Currently this will do a full compilation of the library by default. 8427 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 8428 false /* checkProfiles */, 8429 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 8430 getOrCreateCompilerPackageStats(depPackage)); 8431 } 8432 } 8433 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 8434 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 8435 } 8436 8437 // Performs dexopt on the used secondary dex files belonging to the given package. 8438 // Returns true if all dex files were process successfully (which could mean either dexopt or 8439 // skip). Returns false if any of the files caused errors. 8440 @Override 8441 public boolean performDexOptSecondary(String packageName, String compilerFilter, 8442 boolean force) { 8443 return mDexManager.dexoptSecondaryDex(packageName, compilerFilter, force); 8444 } 8445 8446 /** 8447 * Reconcile the information we have about the secondary dex files belonging to 8448 * {@code packagName} and the actual dex files. For all dex files that were 8449 * deleted, update the internal records and delete the generated oat files. 8450 */ 8451 @Override 8452 public void reconcileSecondaryDexFiles(String packageName) { 8453 mDexManager.reconcileSecondaryDexFiles(packageName); 8454 } 8455 8456 // TODO(calin): this is only needed for BackgroundDexOptService. Find a cleaner way to inject 8457 // a reference there. 8458 /*package*/ DexManager getDexManager() { 8459 return mDexManager; 8460 } 8461 8462 /** 8463 * Execute the background dexopt job immediately. 8464 */ 8465 @Override 8466 public boolean runBackgroundDexoptJob() { 8467 return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext); 8468 } 8469 8470 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 8471 if (p.usesLibraries != null || p.usesOptionalLibraries != null 8472 || p.usesStaticLibraries != null) { 8473 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 8474 Set<String> collectedNames = new HashSet<>(); 8475 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 8476 8477 retValue.remove(p); 8478 8479 return retValue; 8480 } else { 8481 return Collections.emptyList(); 8482 } 8483 } 8484 8485 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 8486 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8487 if (!collectedNames.contains(p.packageName)) { 8488 collectedNames.add(p.packageName); 8489 collected.add(p); 8490 8491 if (p.usesLibraries != null) { 8492 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 8493 null, collected, collectedNames); 8494 } 8495 if (p.usesOptionalLibraries != null) { 8496 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 8497 null, collected, collectedNames); 8498 } 8499 if (p.usesStaticLibraries != null) { 8500 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 8501 p.usesStaticLibrariesVersions, collected, collectedNames); 8502 } 8503 } 8504 } 8505 8506 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, int[] versions, 8507 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8508 final int libNameCount = libs.size(); 8509 for (int i = 0; i < libNameCount; i++) { 8510 String libName = libs.get(i); 8511 int version = (versions != null && versions.length == libNameCount) 8512 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 8513 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 8514 if (libPkg != null) { 8515 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 8516 } 8517 } 8518 } 8519 8520 private PackageParser.Package findSharedNonSystemLibrary(String name, int version) { 8521 synchronized (mPackages) { 8522 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 8523 if (libEntry != null) { 8524 return mPackages.get(libEntry.apk); 8525 } 8526 return null; 8527 } 8528 } 8529 8530 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, int version) { 8531 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 8532 if (versionedLib == null) { 8533 return null; 8534 } 8535 return versionedLib.get(version); 8536 } 8537 8538 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 8539 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 8540 pkg.staticSharedLibName); 8541 if (versionedLib == null) { 8542 return null; 8543 } 8544 int previousLibVersion = -1; 8545 final int versionCount = versionedLib.size(); 8546 for (int i = 0; i < versionCount; i++) { 8547 final int libVersion = versionedLib.keyAt(i); 8548 if (libVersion < pkg.staticSharedLibVersion) { 8549 previousLibVersion = Math.max(previousLibVersion, libVersion); 8550 } 8551 } 8552 if (previousLibVersion >= 0) { 8553 return versionedLib.get(previousLibVersion); 8554 } 8555 return null; 8556 } 8557 8558 public void shutdown() { 8559 mPackageUsage.writeNow(mPackages); 8560 mCompilerStats.writeNow(); 8561 } 8562 8563 @Override 8564 public void dumpProfiles(String packageName) { 8565 PackageParser.Package pkg; 8566 synchronized (mPackages) { 8567 pkg = mPackages.get(packageName); 8568 if (pkg == null) { 8569 throw new IllegalArgumentException("Unknown package: " + packageName); 8570 } 8571 } 8572 /* Only the shell, root, or the app user should be able to dump profiles. */ 8573 int callingUid = Binder.getCallingUid(); 8574 if (callingUid != Process.SHELL_UID && 8575 callingUid != Process.ROOT_UID && 8576 callingUid != pkg.applicationInfo.uid) { 8577 throw new SecurityException("dumpProfiles"); 8578 } 8579 8580 synchronized (mInstallLock) { 8581 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 8582 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 8583 try { 8584 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 8585 String codePaths = TextUtils.join(";", allCodePaths); 8586 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 8587 } catch (InstallerException e) { 8588 Slog.w(TAG, "Failed to dump profiles", e); 8589 } 8590 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8591 } 8592 } 8593 8594 @Override 8595 public void forceDexOpt(String packageName) { 8596 enforceSystemOrRoot("forceDexOpt"); 8597 8598 PackageParser.Package pkg; 8599 synchronized (mPackages) { 8600 pkg = mPackages.get(packageName); 8601 if (pkg == null) { 8602 throw new IllegalArgumentException("Unknown package: " + packageName); 8603 } 8604 } 8605 8606 synchronized (mInstallLock) { 8607 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8608 8609 // Whoever is calling forceDexOpt wants a fully compiled package. 8610 // Don't use profiles since that may cause compilation to be skipped. 8611 final int res = performDexOptInternalWithDependenciesLI(pkg, 8612 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 8613 true /* force */); 8614 8615 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8616 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 8617 throw new IllegalStateException("Failed to dexopt: " + res); 8618 } 8619 } 8620 } 8621 8622 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 8623 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 8624 Slog.w(TAG, "Unable to update from " + oldPkg.name 8625 + " to " + newPkg.packageName 8626 + ": old package not in system partition"); 8627 return false; 8628 } else if (mPackages.get(oldPkg.name) != null) { 8629 Slog.w(TAG, "Unable to update from " + oldPkg.name 8630 + " to " + newPkg.packageName 8631 + ": old package still exists"); 8632 return false; 8633 } 8634 return true; 8635 } 8636 8637 void removeCodePathLI(File codePath) { 8638 if (codePath.isDirectory()) { 8639 try { 8640 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 8641 } catch (InstallerException e) { 8642 Slog.w(TAG, "Failed to remove code path", e); 8643 } 8644 } else { 8645 codePath.delete(); 8646 } 8647 } 8648 8649 private int[] resolveUserIds(int userId) { 8650 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 8651 } 8652 8653 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8654 if (pkg == null) { 8655 Slog.wtf(TAG, "Package was null!", new Throwable()); 8656 return; 8657 } 8658 clearAppDataLeafLIF(pkg, userId, flags); 8659 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8660 for (int i = 0; i < childCount; i++) { 8661 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8662 } 8663 } 8664 8665 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8666 final PackageSetting ps; 8667 synchronized (mPackages) { 8668 ps = mSettings.mPackages.get(pkg.packageName); 8669 } 8670 for (int realUserId : resolveUserIds(userId)) { 8671 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8672 try { 8673 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8674 ceDataInode); 8675 } catch (InstallerException e) { 8676 Slog.w(TAG, String.valueOf(e)); 8677 } 8678 } 8679 } 8680 8681 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8682 if (pkg == null) { 8683 Slog.wtf(TAG, "Package was null!", new Throwable()); 8684 return; 8685 } 8686 destroyAppDataLeafLIF(pkg, userId, flags); 8687 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8688 for (int i = 0; i < childCount; i++) { 8689 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8690 } 8691 } 8692 8693 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8694 final PackageSetting ps; 8695 synchronized (mPackages) { 8696 ps = mSettings.mPackages.get(pkg.packageName); 8697 } 8698 for (int realUserId : resolveUserIds(userId)) { 8699 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8700 try { 8701 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8702 ceDataInode); 8703 } catch (InstallerException e) { 8704 Slog.w(TAG, String.valueOf(e)); 8705 } 8706 } 8707 } 8708 8709 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 8710 if (pkg == null) { 8711 Slog.wtf(TAG, "Package was null!", new Throwable()); 8712 return; 8713 } 8714 destroyAppProfilesLeafLIF(pkg); 8715 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 8716 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8717 for (int i = 0; i < childCount; i++) { 8718 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 8719 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 8720 true /* removeBaseMarker */); 8721 } 8722 } 8723 8724 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 8725 boolean removeBaseMarker) { 8726 if (pkg.isForwardLocked()) { 8727 return; 8728 } 8729 8730 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 8731 try { 8732 path = PackageManagerServiceUtils.realpath(new File(path)); 8733 } catch (IOException e) { 8734 // TODO: Should we return early here ? 8735 Slog.w(TAG, "Failed to get canonical path", e); 8736 continue; 8737 } 8738 8739 final String useMarker = path.replace('/', '@'); 8740 for (int realUserId : resolveUserIds(userId)) { 8741 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 8742 if (removeBaseMarker) { 8743 File foreignUseMark = new File(profileDir, useMarker); 8744 if (foreignUseMark.exists()) { 8745 if (!foreignUseMark.delete()) { 8746 Slog.w(TAG, "Unable to delete foreign user mark for package: " 8747 + pkg.packageName); 8748 } 8749 } 8750 } 8751 8752 File[] markers = profileDir.listFiles(); 8753 if (markers != null) { 8754 final String searchString = "@" + pkg.packageName + "@"; 8755 // We also delete all markers that contain the package name we're 8756 // uninstalling. These are associated with secondary dex-files belonging 8757 // to the package. Reconstructing the path of these dex files is messy 8758 // in general. 8759 for (File marker : markers) { 8760 if (marker.getName().indexOf(searchString) > 0) { 8761 if (!marker.delete()) { 8762 Slog.w(TAG, "Unable to delete foreign user mark for package: " 8763 + pkg.packageName); 8764 } 8765 } 8766 } 8767 } 8768 } 8769 } 8770 } 8771 8772 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 8773 try { 8774 mInstaller.destroyAppProfiles(pkg.packageName); 8775 } catch (InstallerException e) { 8776 Slog.w(TAG, String.valueOf(e)); 8777 } 8778 } 8779 8780 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 8781 if (pkg == null) { 8782 Slog.wtf(TAG, "Package was null!", new Throwable()); 8783 return; 8784 } 8785 clearAppProfilesLeafLIF(pkg); 8786 // We don't remove the base foreign use marker when clearing profiles because 8787 // we will rename it when the app is updated. Unlike the actual profile contents, 8788 // the foreign use marker is good across installs. 8789 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 8790 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8791 for (int i = 0; i < childCount; i++) { 8792 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 8793 } 8794 } 8795 8796 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 8797 try { 8798 mInstaller.clearAppProfiles(pkg.packageName); 8799 } catch (InstallerException e) { 8800 Slog.w(TAG, String.valueOf(e)); 8801 } 8802 } 8803 8804 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 8805 long lastUpdateTime) { 8806 // Set parent install/update time 8807 PackageSetting ps = (PackageSetting) pkg.mExtras; 8808 if (ps != null) { 8809 ps.firstInstallTime = firstInstallTime; 8810 ps.lastUpdateTime = lastUpdateTime; 8811 } 8812 // Set children install/update time 8813 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8814 for (int i = 0; i < childCount; i++) { 8815 PackageParser.Package childPkg = pkg.childPackages.get(i); 8816 ps = (PackageSetting) childPkg.mExtras; 8817 if (ps != null) { 8818 ps.firstInstallTime = firstInstallTime; 8819 ps.lastUpdateTime = lastUpdateTime; 8820 } 8821 } 8822 } 8823 8824 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 8825 PackageParser.Package changingLib) { 8826 if (file.path != null) { 8827 usesLibraryFiles.add(file.path); 8828 return; 8829 } 8830 PackageParser.Package p = mPackages.get(file.apk); 8831 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 8832 // If we are doing this while in the middle of updating a library apk, 8833 // then we need to make sure to use that new apk for determining the 8834 // dependencies here. (We haven't yet finished committing the new apk 8835 // to the package manager state.) 8836 if (p == null || p.packageName.equals(changingLib.packageName)) { 8837 p = changingLib; 8838 } 8839 } 8840 if (p != null) { 8841 usesLibraryFiles.addAll(p.getAllCodePaths()); 8842 } 8843 } 8844 8845 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 8846 PackageParser.Package changingLib) throws PackageManagerException { 8847 if (pkg == null) { 8848 return; 8849 } 8850 ArraySet<String> usesLibraryFiles = null; 8851 if (pkg.usesLibraries != null) { 8852 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 8853 null, null, pkg.packageName, changingLib, true, null); 8854 } 8855 if (pkg.usesStaticLibraries != null) { 8856 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 8857 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 8858 pkg.packageName, changingLib, true, usesLibraryFiles); 8859 } 8860 if (pkg.usesOptionalLibraries != null) { 8861 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 8862 null, null, pkg.packageName, changingLib, false, usesLibraryFiles); 8863 } 8864 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 8865 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 8866 } else { 8867 pkg.usesLibraryFiles = null; 8868 } 8869 } 8870 8871 private ArraySet<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 8872 @Nullable int[] requiredVersions, @Nullable String[] requiredCertDigests, 8873 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 8874 boolean required, @Nullable ArraySet<String> outUsedLibraries) 8875 throws PackageManagerException { 8876 final int libCount = requestedLibraries.size(); 8877 for (int i = 0; i < libCount; i++) { 8878 final String libName = requestedLibraries.get(i); 8879 final int libVersion = requiredVersions != null ? requiredVersions[i] 8880 : SharedLibraryInfo.VERSION_UNDEFINED; 8881 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 8882 if (libEntry == null) { 8883 if (required) { 8884 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8885 "Package " + packageName + " requires unavailable shared library " 8886 + libName + "; failing!"); 8887 } else { 8888 Slog.w(TAG, "Package " + packageName 8889 + " desires unavailable shared library " 8890 + libName + "; ignoring!"); 8891 } 8892 } else { 8893 if (requiredVersions != null && requiredCertDigests != null) { 8894 if (libEntry.info.getVersion() != requiredVersions[i]) { 8895 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8896 "Package " + packageName + " requires unavailable static shared" 8897 + " library " + libName + " version " 8898 + libEntry.info.getVersion() + "; failing!"); 8899 } 8900 8901 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 8902 if (libPkg == null) { 8903 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8904 "Package " + packageName + " requires unavailable static shared" 8905 + " library; failing!"); 8906 } 8907 8908 String expectedCertDigest = requiredCertDigests[i]; 8909 String libCertDigest = PackageUtils.computeCertSha256Digest( 8910 libPkg.mSignatures[0]); 8911 if (!libCertDigest.equalsIgnoreCase(expectedCertDigest)) { 8912 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8913 "Package " + packageName + " requires differently signed" + 8914 " static shared library; failing!"); 8915 } 8916 } 8917 8918 if (outUsedLibraries == null) { 8919 outUsedLibraries = new ArraySet<>(); 8920 } 8921 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 8922 } 8923 } 8924 return outUsedLibraries; 8925 } 8926 8927 private static boolean hasString(List<String> list, List<String> which) { 8928 if (list == null) { 8929 return false; 8930 } 8931 for (int i=list.size()-1; i>=0; i--) { 8932 for (int j=which.size()-1; j>=0; j--) { 8933 if (which.get(j).equals(list.get(i))) { 8934 return true; 8935 } 8936 } 8937 } 8938 return false; 8939 } 8940 8941 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 8942 PackageParser.Package changingPkg) { 8943 ArrayList<PackageParser.Package> res = null; 8944 for (PackageParser.Package pkg : mPackages.values()) { 8945 if (changingPkg != null 8946 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 8947 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 8948 && !ArrayUtils.contains(pkg.usesStaticLibraries, 8949 changingPkg.staticSharedLibName)) { 8950 return null; 8951 } 8952 if (res == null) { 8953 res = new ArrayList<>(); 8954 } 8955 res.add(pkg); 8956 try { 8957 updateSharedLibrariesLPr(pkg, changingPkg); 8958 } catch (PackageManagerException e) { 8959 // If a system app update or an app and a required lib missing we 8960 // delete the package and for updated system apps keep the data as 8961 // it is better for the user to reinstall than to be in an limbo 8962 // state. Also libs disappearing under an app should never happen 8963 // - just in case. 8964 if (!pkg.isSystemApp() || pkg.isUpdatedSystemApp()) { 8965 final int flags = pkg.isUpdatedSystemApp() 8966 ? PackageManager.DELETE_KEEP_DATA : 0; 8967 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 8968 flags , null, true, null); 8969 } 8970 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8971 } 8972 } 8973 return res; 8974 } 8975 8976 /** 8977 * Derive the value of the {@code cpuAbiOverride} based on the provided 8978 * value and an optional stored value from the package settings. 8979 */ 8980 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 8981 String cpuAbiOverride = null; 8982 8983 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 8984 cpuAbiOverride = null; 8985 } else if (abiOverride != null) { 8986 cpuAbiOverride = abiOverride; 8987 } else if (settings != null) { 8988 cpuAbiOverride = settings.cpuAbiOverrideString; 8989 } 8990 8991 return cpuAbiOverride; 8992 } 8993 8994 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 8995 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 8996 throws PackageManagerException { 8997 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 8998 // If the package has children and this is the first dive in the function 8999 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 9000 // whether all packages (parent and children) would be successfully scanned 9001 // before the actual scan since scanning mutates internal state and we want 9002 // to atomically install the package and its children. 9003 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9004 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 9005 scanFlags |= SCAN_CHECK_ONLY; 9006 } 9007 } else { 9008 scanFlags &= ~SCAN_CHECK_ONLY; 9009 } 9010 9011 final PackageParser.Package scannedPkg; 9012 try { 9013 // Scan the parent 9014 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 9015 // Scan the children 9016 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9017 for (int i = 0; i < childCount; i++) { 9018 PackageParser.Package childPkg = pkg.childPackages.get(i); 9019 scanPackageLI(childPkg, policyFlags, 9020 scanFlags, currentTime, user); 9021 } 9022 } finally { 9023 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9024 } 9025 9026 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9027 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 9028 } 9029 9030 return scannedPkg; 9031 } 9032 9033 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 9034 int scanFlags, long currentTime, @Nullable UserHandle user) 9035 throws PackageManagerException { 9036 boolean success = false; 9037 try { 9038 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 9039 currentTime, user); 9040 success = true; 9041 return res; 9042 } finally { 9043 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 9044 // DELETE_DATA_ON_FAILURES is only used by frozen paths 9045 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 9046 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 9047 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 9048 } 9049 } 9050 } 9051 9052 /** 9053 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 9054 */ 9055 private static boolean apkHasCode(String fileName) { 9056 StrictJarFile jarFile = null; 9057 try { 9058 jarFile = new StrictJarFile(fileName, 9059 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 9060 return jarFile.findEntry("classes.dex") != null; 9061 } catch (IOException ignore) { 9062 } finally { 9063 try { 9064 if (jarFile != null) { 9065 jarFile.close(); 9066 } 9067 } catch (IOException ignore) {} 9068 } 9069 return false; 9070 } 9071 9072 /** 9073 * Enforces code policy for the package. This ensures that if an APK has 9074 * declared hasCode="true" in its manifest that the APK actually contains 9075 * code. 9076 * 9077 * @throws PackageManagerException If bytecode could not be found when it should exist 9078 */ 9079 private static void assertCodePolicy(PackageParser.Package pkg) 9080 throws PackageManagerException { 9081 final boolean shouldHaveCode = 9082 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 9083 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 9084 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9085 "Package " + pkg.baseCodePath + " code is missing"); 9086 } 9087 9088 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 9089 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 9090 final boolean splitShouldHaveCode = 9091 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 9092 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 9093 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9094 "Package " + pkg.splitCodePaths[i] + " code is missing"); 9095 } 9096 } 9097 } 9098 } 9099 9100 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 9101 final int policyFlags, final int scanFlags, long currentTime, @Nullable UserHandle user) 9102 throws PackageManagerException { 9103 if (DEBUG_PACKAGE_SCANNING) { 9104 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9105 Log.d(TAG, "Scanning package " + pkg.packageName); 9106 } 9107 9108 applyPolicy(pkg, policyFlags); 9109 9110 assertPackageIsValid(pkg, policyFlags, scanFlags); 9111 9112 // Initialize package source and resource directories 9113 final File scanFile = new File(pkg.codePath); 9114 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 9115 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 9116 9117 SharedUserSetting suid = null; 9118 PackageSetting pkgSetting = null; 9119 9120 // Getting the package setting may have a side-effect, so if we 9121 // are only checking if scan would succeed, stash a copy of the 9122 // old setting to restore at the end. 9123 PackageSetting nonMutatedPs = null; 9124 9125 // We keep references to the derived CPU Abis from settings in oder to reuse 9126 // them in the case where we're not upgrading or booting for the first time. 9127 String primaryCpuAbiFromSettings = null; 9128 String secondaryCpuAbiFromSettings = null; 9129 9130 // writer 9131 synchronized (mPackages) { 9132 if (pkg.mSharedUserId != null) { 9133 // SIDE EFFECTS; may potentially allocate a new shared user 9134 suid = mSettings.getSharedUserLPw( 9135 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 9136 if (DEBUG_PACKAGE_SCANNING) { 9137 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9138 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 9139 + "): packages=" + suid.packages); 9140 } 9141 } 9142 9143 // Check if we are renaming from an original package name. 9144 PackageSetting origPackage = null; 9145 String realName = null; 9146 if (pkg.mOriginalPackages != null) { 9147 // This package may need to be renamed to a previously 9148 // installed name. Let's check on that... 9149 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 9150 if (pkg.mOriginalPackages.contains(renamed)) { 9151 // This package had originally been installed as the 9152 // original name, and we have already taken care of 9153 // transitioning to the new one. Just update the new 9154 // one to continue using the old name. 9155 realName = pkg.mRealPackage; 9156 if (!pkg.packageName.equals(renamed)) { 9157 // Callers into this function may have already taken 9158 // care of renaming the package; only do it here if 9159 // it is not already done. 9160 pkg.setPackageName(renamed); 9161 } 9162 } else { 9163 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 9164 if ((origPackage = mSettings.getPackageLPr( 9165 pkg.mOriginalPackages.get(i))) != null) { 9166 // We do have the package already installed under its 9167 // original name... should we use it? 9168 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 9169 // New package is not compatible with original. 9170 origPackage = null; 9171 continue; 9172 } else if (origPackage.sharedUser != null) { 9173 // Make sure uid is compatible between packages. 9174 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 9175 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 9176 + " to " + pkg.packageName + ": old uid " 9177 + origPackage.sharedUser.name 9178 + " differs from " + pkg.mSharedUserId); 9179 origPackage = null; 9180 continue; 9181 } 9182 // TODO: Add case when shared user id is added [b/28144775] 9183 } else { 9184 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 9185 + pkg.packageName + " to old name " + origPackage.name); 9186 } 9187 break; 9188 } 9189 } 9190 } 9191 } 9192 9193 if (mTransferedPackages.contains(pkg.packageName)) { 9194 Slog.w(TAG, "Package " + pkg.packageName 9195 + " was transferred to another, but its .apk remains"); 9196 } 9197 9198 // See comments in nonMutatedPs declaration 9199 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9200 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9201 if (foundPs != null) { 9202 nonMutatedPs = new PackageSetting(foundPs); 9203 } 9204 } 9205 9206 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 9207 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9208 if (foundPs != null) { 9209 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 9210 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 9211 } 9212 } 9213 9214 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 9215 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 9216 PackageManagerService.reportSettingsProblem(Log.WARN, 9217 "Package " + pkg.packageName + " shared user changed from " 9218 + (pkgSetting.sharedUser != null 9219 ? pkgSetting.sharedUser.name : "<nothing>") 9220 + " to " 9221 + (suid != null ? suid.name : "<nothing>") 9222 + "; replacing with new"); 9223 pkgSetting = null; 9224 } 9225 final PackageSetting oldPkgSetting = 9226 pkgSetting == null ? null : new PackageSetting(pkgSetting); 9227 final PackageSetting disabledPkgSetting = 9228 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 9229 9230 String[] usesStaticLibraries = null; 9231 if (pkg.usesStaticLibraries != null) { 9232 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 9233 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 9234 } 9235 9236 if (pkgSetting == null) { 9237 final String parentPackageName = (pkg.parentPackage != null) 9238 ? pkg.parentPackage.packageName : null; 9239 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 9240 // REMOVE SharedUserSetting from method; update in a separate call 9241 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 9242 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 9243 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 9244 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 9245 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 9246 true /*allowInstall*/, instantApp, parentPackageName, 9247 pkg.getChildPackageNames(), UserManagerService.getInstance(), 9248 usesStaticLibraries, pkg.usesStaticLibrariesVersions); 9249 // SIDE EFFECTS; updates system state; move elsewhere 9250 if (origPackage != null) { 9251 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 9252 } 9253 mSettings.addUserToSettingLPw(pkgSetting); 9254 } else { 9255 // REMOVE SharedUserSetting from method; update in a separate call. 9256 // 9257 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 9258 // secondaryCpuAbi are not known at this point so we always update them 9259 // to null here, only to reset them at a later point. 9260 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 9261 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 9262 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 9263 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 9264 UserManagerService.getInstance(), usesStaticLibraries, 9265 pkg.usesStaticLibrariesVersions); 9266 } 9267 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 9268 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 9269 9270 // SIDE EFFECTS; modifies system state; move elsewhere 9271 if (pkgSetting.origPackage != null) { 9272 // If we are first transitioning from an original package, 9273 // fix up the new package's name now. We need to do this after 9274 // looking up the package under its new name, so getPackageLP 9275 // can take care of fiddling things correctly. 9276 pkg.setPackageName(origPackage.name); 9277 9278 // File a report about this. 9279 String msg = "New package " + pkgSetting.realName 9280 + " renamed to replace old package " + pkgSetting.name; 9281 reportSettingsProblem(Log.WARN, msg); 9282 9283 // Make a note of it. 9284 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9285 mTransferedPackages.add(origPackage.name); 9286 } 9287 9288 // No longer need to retain this. 9289 pkgSetting.origPackage = null; 9290 } 9291 9292 // SIDE EFFECTS; modifies system state; move elsewhere 9293 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 9294 // Make a note of it. 9295 mTransferedPackages.add(pkg.packageName); 9296 } 9297 9298 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 9299 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9300 } 9301 9302 if ((scanFlags & SCAN_BOOTING) == 0 9303 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9304 // Check all shared libraries and map to their actual file path. 9305 // We only do this here for apps not on a system dir, because those 9306 // are the only ones that can fail an install due to this. We 9307 // will take care of the system apps by updating all of their 9308 // library paths after the scan is done. Also during the initial 9309 // scan don't update any libs as we do this wholesale after all 9310 // apps are scanned to avoid dependency based scanning. 9311 updateSharedLibrariesLPr(pkg, null); 9312 } 9313 9314 if (mFoundPolicyFile) { 9315 SELinuxMMAC.assignSeInfoValue(pkg); 9316 } 9317 pkg.applicationInfo.uid = pkgSetting.appId; 9318 pkg.mExtras = pkgSetting; 9319 9320 9321 // Static shared libs have same package with different versions where 9322 // we internally use a synthetic package name to allow multiple versions 9323 // of the same package, therefore we need to compare signatures against 9324 // the package setting for the latest library version. 9325 PackageSetting signatureCheckPs = pkgSetting; 9326 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9327 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 9328 if (libraryEntry != null) { 9329 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 9330 } 9331 } 9332 9333 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 9334 if (checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 9335 // We just determined the app is signed correctly, so bring 9336 // over the latest parsed certs. 9337 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9338 } else { 9339 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9340 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9341 "Package " + pkg.packageName + " upgrade keys do not match the " 9342 + "previously installed version"); 9343 } else { 9344 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9345 String msg = "System package " + pkg.packageName 9346 + " signature changed; retaining data."; 9347 reportSettingsProblem(Log.WARN, msg); 9348 } 9349 } 9350 } else { 9351 try { 9352 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 9353 verifySignaturesLP(signatureCheckPs, pkg); 9354 // We just determined the app is signed correctly, so bring 9355 // over the latest parsed certs. 9356 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9357 } catch (PackageManagerException e) { 9358 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9359 throw e; 9360 } 9361 // The signature has changed, but this package is in the system 9362 // image... let's recover! 9363 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9364 // However... if this package is part of a shared user, but it 9365 // doesn't match the signature of the shared user, let's fail. 9366 // What this means is that you can't change the signatures 9367 // associated with an overall shared user, which doesn't seem all 9368 // that unreasonable. 9369 if (signatureCheckPs.sharedUser != null) { 9370 if (compareSignatures(signatureCheckPs.sharedUser.signatures.mSignatures, 9371 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 9372 throw new PackageManagerException( 9373 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9374 "Signature mismatch for shared user: " 9375 + pkgSetting.sharedUser); 9376 } 9377 } 9378 // File a report about this. 9379 String msg = "System package " + pkg.packageName 9380 + " signature changed; retaining data."; 9381 reportSettingsProblem(Log.WARN, msg); 9382 } 9383 } 9384 9385 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 9386 // This package wants to adopt ownership of permissions from 9387 // another package. 9388 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 9389 final String origName = pkg.mAdoptPermissions.get(i); 9390 final PackageSetting orig = mSettings.getPackageLPr(origName); 9391 if (orig != null) { 9392 if (verifyPackageUpdateLPr(orig, pkg)) { 9393 Slog.i(TAG, "Adopting permissions from " + origName + " to " 9394 + pkg.packageName); 9395 // SIDE EFFECTS; updates permissions system state; move elsewhere 9396 mSettings.transferPermissionsLPw(origName, pkg.packageName); 9397 } 9398 } 9399 } 9400 } 9401 } 9402 9403 pkg.applicationInfo.processName = fixProcessName( 9404 pkg.applicationInfo.packageName, 9405 pkg.applicationInfo.processName); 9406 9407 if (pkg != mPlatformPackage) { 9408 // Get all of our default paths setup 9409 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 9410 } 9411 9412 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 9413 9414 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 9415 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 9416 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 9417 derivePackageAbi( 9418 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 9419 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9420 9421 // Some system apps still use directory structure for native libraries 9422 // in which case we might end up not detecting abi solely based on apk 9423 // structure. Try to detect abi based on directory structure. 9424 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 9425 pkg.applicationInfo.primaryCpuAbi == null) { 9426 setBundledAppAbisAndRoots(pkg, pkgSetting); 9427 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9428 } 9429 } else { 9430 // This is not a first boot or an upgrade, don't bother deriving the 9431 // ABI during the scan. Instead, trust the value that was stored in the 9432 // package setting. 9433 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 9434 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 9435 9436 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9437 9438 if (DEBUG_ABI_SELECTION) { 9439 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 9440 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 9441 pkg.applicationInfo.secondaryCpuAbi); 9442 } 9443 } 9444 } else { 9445 if ((scanFlags & SCAN_MOVE) != 0) { 9446 // We haven't run dex-opt for this move (since we've moved the compiled output too) 9447 // but we already have this packages package info in the PackageSetting. We just 9448 // use that and derive the native library path based on the new codepath. 9449 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 9450 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 9451 } 9452 9453 // Set native library paths again. For moves, the path will be updated based on the 9454 // ABIs we've determined above. For non-moves, the path will be updated based on the 9455 // ABIs we determined during compilation, but the path will depend on the final 9456 // package path (after the rename away from the stage path). 9457 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9458 } 9459 9460 // This is a special case for the "system" package, where the ABI is 9461 // dictated by the zygote configuration (and init.rc). We should keep track 9462 // of this ABI so that we can deal with "normal" applications that run under 9463 // the same UID correctly. 9464 if (mPlatformPackage == pkg) { 9465 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 9466 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 9467 } 9468 9469 // If there's a mismatch between the abi-override in the package setting 9470 // and the abiOverride specified for the install. Warn about this because we 9471 // would've already compiled the app without taking the package setting into 9472 // account. 9473 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 9474 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 9475 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 9476 " for package " + pkg.packageName); 9477 } 9478 } 9479 9480 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9481 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9482 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 9483 9484 // Copy the derived override back to the parsed package, so that we can 9485 // update the package settings accordingly. 9486 pkg.cpuAbiOverride = cpuAbiOverride; 9487 9488 if (DEBUG_ABI_SELECTION) { 9489 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 9490 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 9491 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 9492 } 9493 9494 // Push the derived path down into PackageSettings so we know what to 9495 // clean up at uninstall time. 9496 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 9497 9498 if (DEBUG_ABI_SELECTION) { 9499 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 9500 " primary=" + pkg.applicationInfo.primaryCpuAbi + 9501 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 9502 } 9503 9504 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 9505 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 9506 // We don't do this here during boot because we can do it all 9507 // at once after scanning all existing packages. 9508 // 9509 // We also do this *before* we perform dexopt on this package, so that 9510 // we can avoid redundant dexopts, and also to make sure we've got the 9511 // code and package path correct. 9512 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 9513 } 9514 9515 if (mFactoryTest && pkg.requestedPermissions.contains( 9516 android.Manifest.permission.FACTORY_TEST)) { 9517 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 9518 } 9519 9520 if (isSystemApp(pkg)) { 9521 pkgSetting.isOrphaned = true; 9522 } 9523 9524 // Take care of first install / last update times. 9525 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 9526 if (currentTime != 0) { 9527 if (pkgSetting.firstInstallTime == 0) { 9528 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 9529 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 9530 pkgSetting.lastUpdateTime = currentTime; 9531 } 9532 } else if (pkgSetting.firstInstallTime == 0) { 9533 // We need *something*. Take time time stamp of the file. 9534 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 9535 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 9536 if (scanFileTime != pkgSetting.timeStamp) { 9537 // A package on the system image has changed; consider this 9538 // to be an update. 9539 pkgSetting.lastUpdateTime = scanFileTime; 9540 } 9541 } 9542 pkgSetting.setTimeStamp(scanFileTime); 9543 9544 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9545 if (nonMutatedPs != null) { 9546 synchronized (mPackages) { 9547 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 9548 } 9549 } 9550 } else { 9551 final int userId = user == null ? 0 : user.getIdentifier(); 9552 // Modify state for the given package setting 9553 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 9554 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 9555 if (pkgSetting.getInstantApp(userId)) { 9556 mInstantAppRegistry.addInstantAppLPw(userId, pkgSetting.appId); 9557 } 9558 } 9559 return pkg; 9560 } 9561 9562 /** 9563 * Applies policy to the parsed package based upon the given policy flags. 9564 * Ensures the package is in a good state. 9565 * <p> 9566 * Implementation detail: This method must NOT have any side effect. It would 9567 * ideally be static, but, it requires locks to read system state. 9568 */ 9569 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 9570 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 9571 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 9572 if (pkg.applicationInfo.isDirectBootAware()) { 9573 // we're direct boot aware; set for all components 9574 for (PackageParser.Service s : pkg.services) { 9575 s.info.encryptionAware = s.info.directBootAware = true; 9576 } 9577 for (PackageParser.Provider p : pkg.providers) { 9578 p.info.encryptionAware = p.info.directBootAware = true; 9579 } 9580 for (PackageParser.Activity a : pkg.activities) { 9581 a.info.encryptionAware = a.info.directBootAware = true; 9582 } 9583 for (PackageParser.Activity r : pkg.receivers) { 9584 r.info.encryptionAware = r.info.directBootAware = true; 9585 } 9586 } 9587 } else { 9588 // Only allow system apps to be flagged as core apps. 9589 pkg.coreApp = false; 9590 // clear flags not applicable to regular apps 9591 pkg.applicationInfo.privateFlags &= 9592 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 9593 pkg.applicationInfo.privateFlags &= 9594 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 9595 } 9596 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 9597 9598 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 9599 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 9600 } 9601 9602 if (!isSystemApp(pkg)) { 9603 // Only system apps can use these features. 9604 pkg.mOriginalPackages = null; 9605 pkg.mRealPackage = null; 9606 pkg.mAdoptPermissions = null; 9607 } 9608 } 9609 9610 /** 9611 * Asserts the parsed package is valid according to the given policy. If the 9612 * package is invalid, for whatever reason, throws {@link PackgeManagerException}. 9613 * <p> 9614 * Implementation detail: This method must NOT have any side effects. It would 9615 * ideally be static, but, it requires locks to read system state. 9616 * 9617 * @throws PackageManagerException If the package fails any of the validation checks 9618 */ 9619 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 9620 throws PackageManagerException { 9621 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 9622 assertCodePolicy(pkg); 9623 } 9624 9625 if (pkg.applicationInfo.getCodePath() == null || 9626 pkg.applicationInfo.getResourcePath() == null) { 9627 // Bail out. The resource and code paths haven't been set. 9628 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9629 "Code and resource paths haven't been set correctly"); 9630 } 9631 9632 // Make sure we're not adding any bogus keyset info 9633 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9634 ksms.assertScannedPackageValid(pkg); 9635 9636 synchronized (mPackages) { 9637 // The special "android" package can only be defined once 9638 if (pkg.packageName.equals("android")) { 9639 if (mAndroidApplication != null) { 9640 Slog.w(TAG, "*************************************************"); 9641 Slog.w(TAG, "Core android package being redefined. Skipping."); 9642 Slog.w(TAG, " codePath=" + pkg.codePath); 9643 Slog.w(TAG, "*************************************************"); 9644 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9645 "Core android package being redefined. Skipping."); 9646 } 9647 } 9648 9649 // A package name must be unique; don't allow duplicates 9650 if (mPackages.containsKey(pkg.packageName)) { 9651 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9652 "Application package " + pkg.packageName 9653 + " already installed. Skipping duplicate."); 9654 } 9655 9656 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9657 // Static libs have a synthetic package name containing the version 9658 // but we still want the base name to be unique. 9659 if (mPackages.containsKey(pkg.manifestPackageName)) { 9660 throw new PackageManagerException( 9661 "Duplicate static shared lib provider package"); 9662 } 9663 9664 // Static shared libraries should have at least O target SDK 9665 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 9666 throw new PackageManagerException( 9667 "Packages declaring static-shared libs must target O SDK or higher"); 9668 } 9669 9670 // Package declaring static a shared lib cannot be instant apps 9671 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 9672 throw new PackageManagerException( 9673 "Packages declaring static-shared libs cannot be instant apps"); 9674 } 9675 9676 // Package declaring static a shared lib cannot be renamed since the package 9677 // name is synthetic and apps can't code around package manager internals. 9678 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 9679 throw new PackageManagerException( 9680 "Packages declaring static-shared libs cannot be renamed"); 9681 } 9682 9683 // Package declaring static a shared lib cannot declare child packages 9684 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 9685 throw new PackageManagerException( 9686 "Packages declaring static-shared libs cannot have child packages"); 9687 } 9688 9689 // Package declaring static a shared lib cannot declare dynamic libs 9690 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 9691 throw new PackageManagerException( 9692 "Packages declaring static-shared libs cannot declare dynamic libs"); 9693 } 9694 9695 // Package declaring static a shared lib cannot declare shared users 9696 if (pkg.mSharedUserId != null) { 9697 throw new PackageManagerException( 9698 "Packages declaring static-shared libs cannot declare shared users"); 9699 } 9700 9701 // Static shared libs cannot declare activities 9702 if (!pkg.activities.isEmpty()) { 9703 throw new PackageManagerException( 9704 "Static shared libs cannot declare activities"); 9705 } 9706 9707 // Static shared libs cannot declare services 9708 if (!pkg.services.isEmpty()) { 9709 throw new PackageManagerException( 9710 "Static shared libs cannot declare services"); 9711 } 9712 9713 // Static shared libs cannot declare providers 9714 if (!pkg.providers.isEmpty()) { 9715 throw new PackageManagerException( 9716 "Static shared libs cannot declare content providers"); 9717 } 9718 9719 // Static shared libs cannot declare receivers 9720 if (!pkg.receivers.isEmpty()) { 9721 throw new PackageManagerException( 9722 "Static shared libs cannot declare broadcast receivers"); 9723 } 9724 9725 // Static shared libs cannot declare permission groups 9726 if (!pkg.permissionGroups.isEmpty()) { 9727 throw new PackageManagerException( 9728 "Static shared libs cannot declare permission groups"); 9729 } 9730 9731 // Static shared libs cannot declare permissions 9732 if (!pkg.permissions.isEmpty()) { 9733 throw new PackageManagerException( 9734 "Static shared libs cannot declare permissions"); 9735 } 9736 9737 // Static shared libs cannot declare protected broadcasts 9738 if (pkg.protectedBroadcasts != null) { 9739 throw new PackageManagerException( 9740 "Static shared libs cannot declare protected broadcasts"); 9741 } 9742 9743 // Static shared libs cannot be overlay targets 9744 if (pkg.mOverlayTarget != null) { 9745 throw new PackageManagerException( 9746 "Static shared libs cannot be overlay targets"); 9747 } 9748 9749 // The version codes must be ordered as lib versions 9750 int minVersionCode = Integer.MIN_VALUE; 9751 int maxVersionCode = Integer.MAX_VALUE; 9752 9753 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9754 pkg.staticSharedLibName); 9755 if (versionedLib != null) { 9756 final int versionCount = versionedLib.size(); 9757 for (int i = 0; i < versionCount; i++) { 9758 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 9759 // TODO: We will change version code to long, so in the new API it is long 9760 final int libVersionCode = (int) libInfo.getDeclaringPackage() 9761 .getVersionCode(); 9762 if (libInfo.getVersion() < pkg.staticSharedLibVersion) { 9763 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 9764 } else if (libInfo.getVersion() > pkg.staticSharedLibVersion) { 9765 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 9766 } else { 9767 minVersionCode = maxVersionCode = libVersionCode; 9768 break; 9769 } 9770 } 9771 } 9772 if (pkg.mVersionCode < minVersionCode || pkg.mVersionCode > maxVersionCode) { 9773 throw new PackageManagerException("Static shared" 9774 + " lib version codes must be ordered as lib versions"); 9775 } 9776 } 9777 9778 // Only privileged apps and updated privileged apps can add child packages. 9779 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 9780 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 9781 throw new PackageManagerException("Only privileged apps can add child " 9782 + "packages. Ignoring package " + pkg.packageName); 9783 } 9784 final int childCount = pkg.childPackages.size(); 9785 for (int i = 0; i < childCount; i++) { 9786 PackageParser.Package childPkg = pkg.childPackages.get(i); 9787 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 9788 childPkg.packageName)) { 9789 throw new PackageManagerException("Can't override child of " 9790 + "another disabled app. Ignoring package " + pkg.packageName); 9791 } 9792 } 9793 } 9794 9795 // If we're only installing presumed-existing packages, require that the 9796 // scanned APK is both already known and at the path previously established 9797 // for it. Previously unknown packages we pick up normally, but if we have an 9798 // a priori expectation about this package's install presence, enforce it. 9799 // With a singular exception for new system packages. When an OTA contains 9800 // a new system package, we allow the codepath to change from a system location 9801 // to the user-installed location. If we don't allow this change, any newer, 9802 // user-installed version of the application will be ignored. 9803 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 9804 if (mExpectingBetter.containsKey(pkg.packageName)) { 9805 logCriticalInfo(Log.WARN, 9806 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 9807 } else { 9808 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 9809 if (known != null) { 9810 if (DEBUG_PACKAGE_SCANNING) { 9811 Log.d(TAG, "Examining " + pkg.codePath 9812 + " and requiring known paths " + known.codePathString 9813 + " & " + known.resourcePathString); 9814 } 9815 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 9816 || !pkg.applicationInfo.getResourcePath().equals( 9817 known.resourcePathString)) { 9818 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 9819 "Application package " + pkg.packageName 9820 + " found at " + pkg.applicationInfo.getCodePath() 9821 + " but expected at " + known.codePathString 9822 + "; ignoring."); 9823 } 9824 } 9825 } 9826 } 9827 9828 // Verify that this new package doesn't have any content providers 9829 // that conflict with existing packages. Only do this if the 9830 // package isn't already installed, since we don't want to break 9831 // things that are installed. 9832 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 9833 final int N = pkg.providers.size(); 9834 int i; 9835 for (i=0; i<N; i++) { 9836 PackageParser.Provider p = pkg.providers.get(i); 9837 if (p.info.authority != null) { 9838 String names[] = p.info.authority.split(";"); 9839 for (int j = 0; j < names.length; j++) { 9840 if (mProvidersByAuthority.containsKey(names[j])) { 9841 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9842 final String otherPackageName = 9843 ((other != null && other.getComponentName() != null) ? 9844 other.getComponentName().getPackageName() : "?"); 9845 throw new PackageManagerException( 9846 INSTALL_FAILED_CONFLICTING_PROVIDER, 9847 "Can't install because provider name " + names[j] 9848 + " (in package " + pkg.applicationInfo.packageName 9849 + ") is already used by " + otherPackageName); 9850 } 9851 } 9852 } 9853 } 9854 } 9855 } 9856 } 9857 9858 private boolean addSharedLibraryLPw(String path, String apk, String name, int version, 9859 int type, String declaringPackageName, int declaringVersionCode) { 9860 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9861 if (versionedLib == null) { 9862 versionedLib = new SparseArray<>(); 9863 mSharedLibraries.put(name, versionedLib); 9864 if (type == SharedLibraryInfo.TYPE_STATIC) { 9865 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 9866 } 9867 } else if (versionedLib.indexOfKey(version) >= 0) { 9868 return false; 9869 } 9870 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 9871 version, type, declaringPackageName, declaringVersionCode); 9872 versionedLib.put(version, libEntry); 9873 return true; 9874 } 9875 9876 private boolean removeSharedLibraryLPw(String name, int version) { 9877 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9878 if (versionedLib == null) { 9879 return false; 9880 } 9881 final int libIdx = versionedLib.indexOfKey(version); 9882 if (libIdx < 0) { 9883 return false; 9884 } 9885 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 9886 versionedLib.remove(version); 9887 if (versionedLib.size() <= 0) { 9888 mSharedLibraries.remove(name); 9889 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 9890 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 9891 .getPackageName()); 9892 } 9893 } 9894 return true; 9895 } 9896 9897 /** 9898 * Adds a scanned package to the system. When this method is finished, the package will 9899 * be available for query, resolution, etc... 9900 */ 9901 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 9902 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 9903 final String pkgName = pkg.packageName; 9904 if (mCustomResolverComponentName != null && 9905 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 9906 setUpCustomResolverActivity(pkg); 9907 } 9908 9909 if (pkg.packageName.equals("android")) { 9910 synchronized (mPackages) { 9911 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9912 // Set up information for our fall-back user intent resolution activity. 9913 mPlatformPackage = pkg; 9914 pkg.mVersionCode = mSdkVersion; 9915 mAndroidApplication = pkg.applicationInfo; 9916 if (!mResolverReplaced) { 9917 mResolveActivity.applicationInfo = mAndroidApplication; 9918 mResolveActivity.name = ResolverActivity.class.getName(); 9919 mResolveActivity.packageName = mAndroidApplication.packageName; 9920 mResolveActivity.processName = "system:ui"; 9921 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9922 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 9923 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 9924 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 9925 mResolveActivity.exported = true; 9926 mResolveActivity.enabled = true; 9927 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 9928 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 9929 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 9930 | ActivityInfo.CONFIG_SCREEN_LAYOUT 9931 | ActivityInfo.CONFIG_ORIENTATION 9932 | ActivityInfo.CONFIG_KEYBOARD 9933 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 9934 mResolveInfo.activityInfo = mResolveActivity; 9935 mResolveInfo.priority = 0; 9936 mResolveInfo.preferredOrder = 0; 9937 mResolveInfo.match = 0; 9938 mResolveComponentName = new ComponentName( 9939 mAndroidApplication.packageName, mResolveActivity.name); 9940 } 9941 } 9942 } 9943 } 9944 9945 ArrayList<PackageParser.Package> clientLibPkgs = null; 9946 // writer 9947 synchronized (mPackages) { 9948 boolean hasStaticSharedLibs = false; 9949 9950 // Any app can add new static shared libraries 9951 if (pkg.staticSharedLibName != null) { 9952 // Static shared libs don't allow renaming as they have synthetic package 9953 // names to allow install of multiple versions, so use name from manifest. 9954 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 9955 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 9956 pkg.manifestPackageName, pkg.mVersionCode)) { 9957 hasStaticSharedLibs = true; 9958 } else { 9959 Slog.w(TAG, "Package " + pkg.packageName + " library " 9960 + pkg.staticSharedLibName + " already exists; skipping"); 9961 } 9962 // Static shared libs cannot be updated once installed since they 9963 // use synthetic package name which includes the version code, so 9964 // not need to update other packages's shared lib dependencies. 9965 } 9966 9967 if (!hasStaticSharedLibs 9968 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 9969 // Only system apps can add new dynamic shared libraries. 9970 if (pkg.libraryNames != null) { 9971 for (int i = 0; i < pkg.libraryNames.size(); i++) { 9972 String name = pkg.libraryNames.get(i); 9973 boolean allowed = false; 9974 if (pkg.isUpdatedSystemApp()) { 9975 // New library entries can only be added through the 9976 // system image. This is important to get rid of a lot 9977 // of nasty edge cases: for example if we allowed a non- 9978 // system update of the app to add a library, then uninstalling 9979 // the update would make the library go away, and assumptions 9980 // we made such as through app install filtering would now 9981 // have allowed apps on the device which aren't compatible 9982 // with it. Better to just have the restriction here, be 9983 // conservative, and create many fewer cases that can negatively 9984 // impact the user experience. 9985 final PackageSetting sysPs = mSettings 9986 .getDisabledSystemPkgLPr(pkg.packageName); 9987 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 9988 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 9989 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 9990 allowed = true; 9991 break; 9992 } 9993 } 9994 } 9995 } else { 9996 allowed = true; 9997 } 9998 if (allowed) { 9999 if (!addSharedLibraryLPw(null, pkg.packageName, name, 10000 SharedLibraryInfo.VERSION_UNDEFINED, 10001 SharedLibraryInfo.TYPE_DYNAMIC, 10002 pkg.packageName, pkg.mVersionCode)) { 10003 Slog.w(TAG, "Package " + pkg.packageName + " library " 10004 + name + " already exists; skipping"); 10005 } 10006 } else { 10007 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 10008 + name + " that is not declared on system image; skipping"); 10009 } 10010 } 10011 10012 if ((scanFlags & SCAN_BOOTING) == 0) { 10013 // If we are not booting, we need to update any applications 10014 // that are clients of our shared library. If we are booting, 10015 // this will all be done once the scan is complete. 10016 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 10017 } 10018 } 10019 } 10020 } 10021 10022 if ((scanFlags & SCAN_BOOTING) != 0) { 10023 // No apps can run during boot scan, so they don't need to be frozen 10024 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 10025 // Caller asked to not kill app, so it's probably not frozen 10026 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 10027 // Caller asked us to ignore frozen check for some reason; they 10028 // probably didn't know the package name 10029 } else { 10030 // We're doing major surgery on this package, so it better be frozen 10031 // right now to keep it from launching 10032 checkPackageFrozen(pkgName); 10033 } 10034 10035 // Also need to kill any apps that are dependent on the library. 10036 if (clientLibPkgs != null) { 10037 for (int i=0; i<clientLibPkgs.size(); i++) { 10038 PackageParser.Package clientPkg = clientLibPkgs.get(i); 10039 killApplication(clientPkg.applicationInfo.packageName, 10040 clientPkg.applicationInfo.uid, "update lib"); 10041 } 10042 } 10043 10044 // writer 10045 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 10046 10047 synchronized (mPackages) { 10048 // We don't expect installation to fail beyond this point 10049 10050 if (pkgSetting.pkg != null) { 10051 // Note that |user| might be null during the initial boot scan. If a codePath 10052 // for an app has changed during a boot scan, it's due to an app update that's 10053 // part of the system partition and marker changes must be applied to all users. 10054 final int userId = ((user != null) ? user : UserHandle.ALL).getIdentifier(); 10055 final int[] userIds = resolveUserIds(userId); 10056 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, userIds); 10057 } 10058 10059 // Add the new setting to mSettings 10060 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 10061 // Add the new setting to mPackages 10062 mPackages.put(pkg.applicationInfo.packageName, pkg); 10063 // Make sure we don't accidentally delete its data. 10064 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 10065 while (iter.hasNext()) { 10066 PackageCleanItem item = iter.next(); 10067 if (pkgName.equals(item.packageName)) { 10068 iter.remove(); 10069 } 10070 } 10071 10072 // Add the package's KeySets to the global KeySetManagerService 10073 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10074 ksms.addScannedPackageLPw(pkg); 10075 10076 int N = pkg.providers.size(); 10077 StringBuilder r = null; 10078 int i; 10079 for (i=0; i<N; i++) { 10080 PackageParser.Provider p = pkg.providers.get(i); 10081 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 10082 p.info.processName); 10083 mProviders.addProvider(p); 10084 p.syncable = p.info.isSyncable; 10085 if (p.info.authority != null) { 10086 String names[] = p.info.authority.split(";"); 10087 p.info.authority = null; 10088 for (int j = 0; j < names.length; j++) { 10089 if (j == 1 && p.syncable) { 10090 // We only want the first authority for a provider to possibly be 10091 // syncable, so if we already added this provider using a different 10092 // authority clear the syncable flag. We copy the provider before 10093 // changing it because the mProviders object contains a reference 10094 // to a provider that we don't want to change. 10095 // Only do this for the second authority since the resulting provider 10096 // object can be the same for all future authorities for this provider. 10097 p = new PackageParser.Provider(p); 10098 p.syncable = false; 10099 } 10100 if (!mProvidersByAuthority.containsKey(names[j])) { 10101 mProvidersByAuthority.put(names[j], p); 10102 if (p.info.authority == null) { 10103 p.info.authority = names[j]; 10104 } else { 10105 p.info.authority = p.info.authority + ";" + names[j]; 10106 } 10107 if (DEBUG_PACKAGE_SCANNING) { 10108 if (chatty) 10109 Log.d(TAG, "Registered content provider: " + names[j] 10110 + ", className = " + p.info.name + ", isSyncable = " 10111 + p.info.isSyncable); 10112 } 10113 } else { 10114 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 10115 Slog.w(TAG, "Skipping provider name " + names[j] + 10116 " (in package " + pkg.applicationInfo.packageName + 10117 "): name already used by " 10118 + ((other != null && other.getComponentName() != null) 10119 ? other.getComponentName().getPackageName() : "?")); 10120 } 10121 } 10122 } 10123 if (chatty) { 10124 if (r == null) { 10125 r = new StringBuilder(256); 10126 } else { 10127 r.append(' '); 10128 } 10129 r.append(p.info.name); 10130 } 10131 } 10132 if (r != null) { 10133 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 10134 } 10135 10136 N = pkg.services.size(); 10137 r = null; 10138 for (i=0; i<N; i++) { 10139 PackageParser.Service s = pkg.services.get(i); 10140 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 10141 s.info.processName); 10142 mServices.addService(s); 10143 if (chatty) { 10144 if (r == null) { 10145 r = new StringBuilder(256); 10146 } else { 10147 r.append(' '); 10148 } 10149 r.append(s.info.name); 10150 } 10151 } 10152 if (r != null) { 10153 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 10154 } 10155 10156 N = pkg.receivers.size(); 10157 r = null; 10158 for (i=0; i<N; i++) { 10159 PackageParser.Activity a = pkg.receivers.get(i); 10160 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10161 a.info.processName); 10162 mReceivers.addActivity(a, "receiver"); 10163 if (chatty) { 10164 if (r == null) { 10165 r = new StringBuilder(256); 10166 } else { 10167 r.append(' '); 10168 } 10169 r.append(a.info.name); 10170 } 10171 } 10172 if (r != null) { 10173 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 10174 } 10175 10176 N = pkg.activities.size(); 10177 r = null; 10178 for (i=0; i<N; i++) { 10179 PackageParser.Activity a = pkg.activities.get(i); 10180 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10181 a.info.processName); 10182 mActivities.addActivity(a, "activity"); 10183 if (chatty) { 10184 if (r == null) { 10185 r = new StringBuilder(256); 10186 } else { 10187 r.append(' '); 10188 } 10189 r.append(a.info.name); 10190 } 10191 } 10192 if (r != null) { 10193 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 10194 } 10195 10196 N = pkg.permissionGroups.size(); 10197 r = null; 10198 for (i=0; i<N; i++) { 10199 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 10200 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 10201 final String curPackageName = cur == null ? null : cur.info.packageName; 10202 // Dont allow ephemeral apps to define new permission groups. 10203 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10204 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10205 + pg.info.packageName 10206 + " ignored: instant apps cannot define new permission groups."); 10207 continue; 10208 } 10209 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 10210 if (cur == null || isPackageUpdate) { 10211 mPermissionGroups.put(pg.info.name, pg); 10212 if (chatty) { 10213 if (r == null) { 10214 r = new StringBuilder(256); 10215 } else { 10216 r.append(' '); 10217 } 10218 if (isPackageUpdate) { 10219 r.append("UPD:"); 10220 } 10221 r.append(pg.info.name); 10222 } 10223 } else { 10224 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10225 + pg.info.packageName + " ignored: original from " 10226 + cur.info.packageName); 10227 if (chatty) { 10228 if (r == null) { 10229 r = new StringBuilder(256); 10230 } else { 10231 r.append(' '); 10232 } 10233 r.append("DUP:"); 10234 r.append(pg.info.name); 10235 } 10236 } 10237 } 10238 if (r != null) { 10239 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 10240 } 10241 10242 N = pkg.permissions.size(); 10243 r = null; 10244 for (i=0; i<N; i++) { 10245 PackageParser.Permission p = pkg.permissions.get(i); 10246 10247 // Dont allow ephemeral apps to define new permissions. 10248 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10249 Slog.w(TAG, "Permission " + p.info.name + " from package " 10250 + p.info.packageName 10251 + " ignored: instant apps cannot define new permissions."); 10252 continue; 10253 } 10254 10255 // Assume by default that we did not install this permission into the system. 10256 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 10257 10258 // Now that permission groups have a special meaning, we ignore permission 10259 // groups for legacy apps to prevent unexpected behavior. In particular, 10260 // permissions for one app being granted to someone just becase they happen 10261 // to be in a group defined by another app (before this had no implications). 10262 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 10263 p.group = mPermissionGroups.get(p.info.group); 10264 // Warn for a permission in an unknown group. 10265 if (p.info.group != null && p.group == null) { 10266 Slog.w(TAG, "Permission " + p.info.name + " from package " 10267 + p.info.packageName + " in an unknown group " + p.info.group); 10268 } 10269 } 10270 10271 ArrayMap<String, BasePermission> permissionMap = 10272 p.tree ? mSettings.mPermissionTrees 10273 : mSettings.mPermissions; 10274 BasePermission bp = permissionMap.get(p.info.name); 10275 10276 // Allow system apps to redefine non-system permissions 10277 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 10278 final boolean currentOwnerIsSystem = (bp.perm != null 10279 && isSystemApp(bp.perm.owner)); 10280 if (isSystemApp(p.owner)) { 10281 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 10282 // It's a built-in permission and no owner, take ownership now 10283 bp.packageSetting = pkgSetting; 10284 bp.perm = p; 10285 bp.uid = pkg.applicationInfo.uid; 10286 bp.sourcePackage = p.info.packageName; 10287 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10288 } else if (!currentOwnerIsSystem) { 10289 String msg = "New decl " + p.owner + " of permission " 10290 + p.info.name + " is system; overriding " + bp.sourcePackage; 10291 reportSettingsProblem(Log.WARN, msg); 10292 bp = null; 10293 } 10294 } 10295 } 10296 10297 if (bp == null) { 10298 bp = new BasePermission(p.info.name, p.info.packageName, 10299 BasePermission.TYPE_NORMAL); 10300 permissionMap.put(p.info.name, bp); 10301 } 10302 10303 if (bp.perm == null) { 10304 if (bp.sourcePackage == null 10305 || bp.sourcePackage.equals(p.info.packageName)) { 10306 BasePermission tree = findPermissionTreeLP(p.info.name); 10307 if (tree == null 10308 || tree.sourcePackage.equals(p.info.packageName)) { 10309 bp.packageSetting = pkgSetting; 10310 bp.perm = p; 10311 bp.uid = pkg.applicationInfo.uid; 10312 bp.sourcePackage = p.info.packageName; 10313 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10314 if (chatty) { 10315 if (r == null) { 10316 r = new StringBuilder(256); 10317 } else { 10318 r.append(' '); 10319 } 10320 r.append(p.info.name); 10321 } 10322 } else { 10323 Slog.w(TAG, "Permission " + p.info.name + " from package " 10324 + p.info.packageName + " ignored: base tree " 10325 + tree.name + " is from package " 10326 + tree.sourcePackage); 10327 } 10328 } else { 10329 Slog.w(TAG, "Permission " + p.info.name + " from package " 10330 + p.info.packageName + " ignored: original from " 10331 + bp.sourcePackage); 10332 } 10333 } else if (chatty) { 10334 if (r == null) { 10335 r = new StringBuilder(256); 10336 } else { 10337 r.append(' '); 10338 } 10339 r.append("DUP:"); 10340 r.append(p.info.name); 10341 } 10342 if (bp.perm == p) { 10343 bp.protectionLevel = p.info.protectionLevel; 10344 } 10345 } 10346 10347 if (r != null) { 10348 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 10349 } 10350 10351 N = pkg.instrumentation.size(); 10352 r = null; 10353 for (i=0; i<N; i++) { 10354 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 10355 a.info.packageName = pkg.applicationInfo.packageName; 10356 a.info.sourceDir = pkg.applicationInfo.sourceDir; 10357 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 10358 a.info.splitNames = pkg.splitNames; 10359 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 10360 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 10361 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 10362 a.info.dataDir = pkg.applicationInfo.dataDir; 10363 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 10364 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 10365 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 10366 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 10367 mInstrumentation.put(a.getComponentName(), a); 10368 if (chatty) { 10369 if (r == null) { 10370 r = new StringBuilder(256); 10371 } else { 10372 r.append(' '); 10373 } 10374 r.append(a.info.name); 10375 } 10376 } 10377 if (r != null) { 10378 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 10379 } 10380 10381 if (pkg.protectedBroadcasts != null) { 10382 N = pkg.protectedBroadcasts.size(); 10383 for (i=0; i<N; i++) { 10384 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 10385 } 10386 } 10387 } 10388 10389 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10390 } 10391 10392 private static void maybeRenameForeignDexMarkers(PackageParser.Package existing, 10393 PackageParser.Package update, int[] userIds) { 10394 if (existing.applicationInfo == null || update.applicationInfo == null) { 10395 // This isn't due to an app installation. 10396 return; 10397 } 10398 10399 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 10400 final File newCodePath = new File(update.applicationInfo.getCodePath()); 10401 10402 // The codePath hasn't changed, so there's nothing for us to do. 10403 if (Objects.equals(oldCodePath, newCodePath)) { 10404 return; 10405 } 10406 10407 File canonicalNewCodePath; 10408 try { 10409 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 10410 } catch (IOException e) { 10411 Slog.w(TAG, "Failed to get canonical path.", e); 10412 return; 10413 } 10414 10415 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 10416 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 10417 // that the last component of the path (i.e, the name) doesn't need canonicalization 10418 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 10419 // but may change in the future. Hopefully this function won't exist at that point. 10420 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 10421 oldCodePath.getName()); 10422 10423 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 10424 // with "@". 10425 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 10426 if (!oldMarkerPrefix.endsWith("@")) { 10427 oldMarkerPrefix += "@"; 10428 } 10429 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 10430 if (!newMarkerPrefix.endsWith("@")) { 10431 newMarkerPrefix += "@"; 10432 } 10433 10434 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 10435 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 10436 for (String updatedPath : updatedPaths) { 10437 String updatedPathName = new File(updatedPath).getName(); 10438 markerSuffixes.add(updatedPathName.replace('/', '@')); 10439 } 10440 10441 for (int userId : userIds) { 10442 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 10443 10444 for (String markerSuffix : markerSuffixes) { 10445 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 10446 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 10447 if (oldForeignUseMark.exists()) { 10448 try { 10449 Os.rename(oldForeignUseMark.getAbsolutePath(), 10450 newForeignUseMark.getAbsolutePath()); 10451 } catch (ErrnoException e) { 10452 Slog.w(TAG, "Failed to rename foreign use marker", e); 10453 oldForeignUseMark.delete(); 10454 } 10455 } 10456 } 10457 } 10458 } 10459 10460 /** 10461 * Derive the ABI of a non-system package located at {@code scanFile}. This information 10462 * is derived purely on the basis of the contents of {@code scanFile} and 10463 * {@code cpuAbiOverride}. 10464 * 10465 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 10466 */ 10467 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 10468 String cpuAbiOverride, boolean extractLibs, 10469 File appLib32InstallDir) 10470 throws PackageManagerException { 10471 // Give ourselves some initial paths; we'll come back for another 10472 // pass once we've determined ABI below. 10473 setNativeLibraryPaths(pkg, appLib32InstallDir); 10474 10475 // We would never need to extract libs for forward-locked and external packages, 10476 // since the container service will do it for us. We shouldn't attempt to 10477 // extract libs from system app when it was not updated. 10478 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 10479 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 10480 extractLibs = false; 10481 } 10482 10483 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 10484 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 10485 10486 NativeLibraryHelper.Handle handle = null; 10487 try { 10488 handle = NativeLibraryHelper.Handle.create(pkg); 10489 // TODO(multiArch): This can be null for apps that didn't go through the 10490 // usual installation process. We can calculate it again, like we 10491 // do during install time. 10492 // 10493 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 10494 // unnecessary. 10495 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 10496 10497 // Null out the abis so that they can be recalculated. 10498 pkg.applicationInfo.primaryCpuAbi = null; 10499 pkg.applicationInfo.secondaryCpuAbi = null; 10500 if (isMultiArch(pkg.applicationInfo)) { 10501 // Warn if we've set an abiOverride for multi-lib packages.. 10502 // By definition, we need to copy both 32 and 64 bit libraries for 10503 // such packages. 10504 if (pkg.cpuAbiOverride != null 10505 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 10506 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 10507 } 10508 10509 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 10510 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 10511 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 10512 if (extractLibs) { 10513 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10514 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10515 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 10516 useIsaSpecificSubdirs); 10517 } else { 10518 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10519 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 10520 } 10521 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10522 } 10523 10524 maybeThrowExceptionForMultiArchCopy( 10525 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 10526 10527 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 10528 if (extractLibs) { 10529 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10530 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10531 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 10532 useIsaSpecificSubdirs); 10533 } else { 10534 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10535 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 10536 } 10537 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10538 } 10539 10540 maybeThrowExceptionForMultiArchCopy( 10541 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 10542 10543 if (abi64 >= 0) { 10544 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 10545 } 10546 10547 if (abi32 >= 0) { 10548 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 10549 if (abi64 >= 0) { 10550 if (pkg.use32bitAbi) { 10551 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 10552 pkg.applicationInfo.primaryCpuAbi = abi; 10553 } else { 10554 pkg.applicationInfo.secondaryCpuAbi = abi; 10555 } 10556 } else { 10557 pkg.applicationInfo.primaryCpuAbi = abi; 10558 } 10559 } 10560 10561 } else { 10562 String[] abiList = (cpuAbiOverride != null) ? 10563 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 10564 10565 // Enable gross and lame hacks for apps that are built with old 10566 // SDK tools. We must scan their APKs for renderscript bitcode and 10567 // not launch them if it's present. Don't bother checking on devices 10568 // that don't have 64 bit support. 10569 boolean needsRenderScriptOverride = false; 10570 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 10571 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 10572 abiList = Build.SUPPORTED_32_BIT_ABIS; 10573 needsRenderScriptOverride = true; 10574 } 10575 10576 final int copyRet; 10577 if (extractLibs) { 10578 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10579 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10580 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 10581 } else { 10582 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10583 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 10584 } 10585 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10586 10587 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 10588 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 10589 "Error unpackaging native libs for app, errorCode=" + copyRet); 10590 } 10591 10592 if (copyRet >= 0) { 10593 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 10594 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 10595 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 10596 } else if (needsRenderScriptOverride) { 10597 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 10598 } 10599 } 10600 } catch (IOException ioe) { 10601 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 10602 } finally { 10603 IoUtils.closeQuietly(handle); 10604 } 10605 10606 // Now that we've calculated the ABIs and determined if it's an internal app, 10607 // we will go ahead and populate the nativeLibraryPath. 10608 setNativeLibraryPaths(pkg, appLib32InstallDir); 10609 } 10610 10611 /** 10612 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 10613 * i.e, so that all packages can be run inside a single process if required. 10614 * 10615 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 10616 * this function will either try and make the ABI for all packages in {@code packagesForUser} 10617 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 10618 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 10619 * updating a package that belongs to a shared user. 10620 * 10621 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 10622 * adds unnecessary complexity. 10623 */ 10624 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 10625 PackageParser.Package scannedPackage) { 10626 String requiredInstructionSet = null; 10627 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 10628 requiredInstructionSet = VMRuntime.getInstructionSet( 10629 scannedPackage.applicationInfo.primaryCpuAbi); 10630 } 10631 10632 PackageSetting requirer = null; 10633 for (PackageSetting ps : packagesForUser) { 10634 // If packagesForUser contains scannedPackage, we skip it. This will happen 10635 // when scannedPackage is an update of an existing package. Without this check, 10636 // we will never be able to change the ABI of any package belonging to a shared 10637 // user, even if it's compatible with other packages. 10638 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10639 if (ps.primaryCpuAbiString == null) { 10640 continue; 10641 } 10642 10643 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 10644 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 10645 // We have a mismatch between instruction sets (say arm vs arm64) warn about 10646 // this but there's not much we can do. 10647 String errorMessage = "Instruction set mismatch, " 10648 + ((requirer == null) ? "[caller]" : requirer) 10649 + " requires " + requiredInstructionSet + " whereas " + ps 10650 + " requires " + instructionSet; 10651 Slog.w(TAG, errorMessage); 10652 } 10653 10654 if (requiredInstructionSet == null) { 10655 requiredInstructionSet = instructionSet; 10656 requirer = ps; 10657 } 10658 } 10659 } 10660 10661 if (requiredInstructionSet != null) { 10662 String adjustedAbi; 10663 if (requirer != null) { 10664 // requirer != null implies that either scannedPackage was null or that scannedPackage 10665 // did not require an ABI, in which case we have to adjust scannedPackage to match 10666 // the ABI of the set (which is the same as requirer's ABI) 10667 adjustedAbi = requirer.primaryCpuAbiString; 10668 if (scannedPackage != null) { 10669 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 10670 } 10671 } else { 10672 // requirer == null implies that we're updating all ABIs in the set to 10673 // match scannedPackage. 10674 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 10675 } 10676 10677 for (PackageSetting ps : packagesForUser) { 10678 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10679 if (ps.primaryCpuAbiString != null) { 10680 continue; 10681 } 10682 10683 ps.primaryCpuAbiString = adjustedAbi; 10684 if (ps.pkg != null && ps.pkg.applicationInfo != null && 10685 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 10686 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 10687 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 10688 + " (requirer=" 10689 + (requirer == null ? "null" : requirer.pkg.packageName) 10690 + ", scannedPackage=" 10691 + (scannedPackage != null ? scannedPackage.packageName : "null") 10692 + ")"); 10693 try { 10694 mInstaller.rmdex(ps.codePathString, 10695 getDexCodeInstructionSet(getPreferredInstructionSet())); 10696 } catch (InstallerException ignored) { 10697 } 10698 } 10699 } 10700 } 10701 } 10702 } 10703 10704 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 10705 synchronized (mPackages) { 10706 mResolverReplaced = true; 10707 // Set up information for custom user intent resolution activity. 10708 mResolveActivity.applicationInfo = pkg.applicationInfo; 10709 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 10710 mResolveActivity.packageName = pkg.applicationInfo.packageName; 10711 mResolveActivity.processName = pkg.applicationInfo.packageName; 10712 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10713 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 10714 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10715 mResolveActivity.theme = 0; 10716 mResolveActivity.exported = true; 10717 mResolveActivity.enabled = true; 10718 mResolveInfo.activityInfo = mResolveActivity; 10719 mResolveInfo.priority = 0; 10720 mResolveInfo.preferredOrder = 0; 10721 mResolveInfo.match = 0; 10722 mResolveComponentName = mCustomResolverComponentName; 10723 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 10724 mResolveComponentName); 10725 } 10726 } 10727 10728 private void setUpInstantAppInstallerActivityLP(ComponentName installerComponent) { 10729 if (installerComponent == null) { 10730 if (DEBUG_EPHEMERAL) { 10731 Slog.d(TAG, "Clear ephemeral installer activity"); 10732 } 10733 mInstantAppInstallerActivity.applicationInfo = null; 10734 return; 10735 } 10736 10737 if (DEBUG_EPHEMERAL) { 10738 Slog.d(TAG, "Set ephemeral installer activity: " + installerComponent); 10739 } 10740 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 10741 // Set up information for ephemeral installer activity 10742 mInstantAppInstallerActivity.applicationInfo = pkg.applicationInfo; 10743 mInstantAppInstallerActivity.name = installerComponent.getClassName(); 10744 mInstantAppInstallerActivity.packageName = pkg.applicationInfo.packageName; 10745 mInstantAppInstallerActivity.processName = pkg.applicationInfo.packageName; 10746 mInstantAppInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10747 mInstantAppInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 10748 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10749 mInstantAppInstallerActivity.theme = 0; 10750 mInstantAppInstallerActivity.exported = true; 10751 mInstantAppInstallerActivity.enabled = true; 10752 mInstantAppInstallerInfo.activityInfo = mInstantAppInstallerActivity; 10753 mInstantAppInstallerInfo.priority = 0; 10754 mInstantAppInstallerInfo.preferredOrder = 1; 10755 mInstantAppInstallerInfo.isDefault = true; 10756 mInstantAppInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 10757 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 10758 } 10759 10760 private static String calculateBundledApkRoot(final String codePathString) { 10761 final File codePath = new File(codePathString); 10762 final File codeRoot; 10763 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 10764 codeRoot = Environment.getRootDirectory(); 10765 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 10766 codeRoot = Environment.getOemDirectory(); 10767 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 10768 codeRoot = Environment.getVendorDirectory(); 10769 } else { 10770 // Unrecognized code path; take its top real segment as the apk root: 10771 // e.g. /something/app/blah.apk => /something 10772 try { 10773 File f = codePath.getCanonicalFile(); 10774 File parent = f.getParentFile(); // non-null because codePath is a file 10775 File tmp; 10776 while ((tmp = parent.getParentFile()) != null) { 10777 f = parent; 10778 parent = tmp; 10779 } 10780 codeRoot = f; 10781 Slog.w(TAG, "Unrecognized code path " 10782 + codePath + " - using " + codeRoot); 10783 } catch (IOException e) { 10784 // Can't canonicalize the code path -- shenanigans? 10785 Slog.w(TAG, "Can't canonicalize code path " + codePath); 10786 return Environment.getRootDirectory().getPath(); 10787 } 10788 } 10789 return codeRoot.getPath(); 10790 } 10791 10792 /** 10793 * Derive and set the location of native libraries for the given package, 10794 * which varies depending on where and how the package was installed. 10795 */ 10796 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 10797 final ApplicationInfo info = pkg.applicationInfo; 10798 final String codePath = pkg.codePath; 10799 final File codeFile = new File(codePath); 10800 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 10801 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 10802 10803 info.nativeLibraryRootDir = null; 10804 info.nativeLibraryRootRequiresIsa = false; 10805 info.nativeLibraryDir = null; 10806 info.secondaryNativeLibraryDir = null; 10807 10808 if (isApkFile(codeFile)) { 10809 // Monolithic install 10810 if (bundledApp) { 10811 // If "/system/lib64/apkname" exists, assume that is the per-package 10812 // native library directory to use; otherwise use "/system/lib/apkname". 10813 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 10814 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 10815 getPrimaryInstructionSet(info)); 10816 10817 // This is a bundled system app so choose the path based on the ABI. 10818 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 10819 // is just the default path. 10820 final String apkName = deriveCodePathName(codePath); 10821 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 10822 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 10823 apkName).getAbsolutePath(); 10824 10825 if (info.secondaryCpuAbi != null) { 10826 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 10827 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 10828 secondaryLibDir, apkName).getAbsolutePath(); 10829 } 10830 } else if (asecApp) { 10831 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 10832 .getAbsolutePath(); 10833 } else { 10834 final String apkName = deriveCodePathName(codePath); 10835 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 10836 .getAbsolutePath(); 10837 } 10838 10839 info.nativeLibraryRootRequiresIsa = false; 10840 info.nativeLibraryDir = info.nativeLibraryRootDir; 10841 } else { 10842 // Cluster install 10843 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 10844 info.nativeLibraryRootRequiresIsa = true; 10845 10846 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 10847 getPrimaryInstructionSet(info)).getAbsolutePath(); 10848 10849 if (info.secondaryCpuAbi != null) { 10850 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 10851 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 10852 } 10853 } 10854 } 10855 10856 /** 10857 * Calculate the abis and roots for a bundled app. These can uniquely 10858 * be determined from the contents of the system partition, i.e whether 10859 * it contains 64 or 32 bit shared libraries etc. We do not validate any 10860 * of this information, and instead assume that the system was built 10861 * sensibly. 10862 */ 10863 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 10864 PackageSetting pkgSetting) { 10865 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 10866 10867 // If "/system/lib64/apkname" exists, assume that is the per-package 10868 // native library directory to use; otherwise use "/system/lib/apkname". 10869 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 10870 setBundledAppAbi(pkg, apkRoot, apkName); 10871 // pkgSetting might be null during rescan following uninstall of updates 10872 // to a bundled app, so accommodate that possibility. The settings in 10873 // that case will be established later from the parsed package. 10874 // 10875 // If the settings aren't null, sync them up with what we've just derived. 10876 // note that apkRoot isn't stored in the package settings. 10877 if (pkgSetting != null) { 10878 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10879 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10880 } 10881 } 10882 10883 /** 10884 * Deduces the ABI of a bundled app and sets the relevant fields on the 10885 * parsed pkg object. 10886 * 10887 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 10888 * under which system libraries are installed. 10889 * @param apkName the name of the installed package. 10890 */ 10891 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 10892 final File codeFile = new File(pkg.codePath); 10893 10894 final boolean has64BitLibs; 10895 final boolean has32BitLibs; 10896 if (isApkFile(codeFile)) { 10897 // Monolithic install 10898 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 10899 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 10900 } else { 10901 // Cluster install 10902 final File rootDir = new File(codeFile, LIB_DIR_NAME); 10903 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 10904 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 10905 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 10906 has64BitLibs = (new File(rootDir, isa)).exists(); 10907 } else { 10908 has64BitLibs = false; 10909 } 10910 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 10911 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 10912 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 10913 has32BitLibs = (new File(rootDir, isa)).exists(); 10914 } else { 10915 has32BitLibs = false; 10916 } 10917 } 10918 10919 if (has64BitLibs && !has32BitLibs) { 10920 // The package has 64 bit libs, but not 32 bit libs. Its primary 10921 // ABI should be 64 bit. We can safely assume here that the bundled 10922 // native libraries correspond to the most preferred ABI in the list. 10923 10924 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10925 pkg.applicationInfo.secondaryCpuAbi = null; 10926 } else if (has32BitLibs && !has64BitLibs) { 10927 // The package has 32 bit libs but not 64 bit libs. Its primary 10928 // ABI should be 32 bit. 10929 10930 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10931 pkg.applicationInfo.secondaryCpuAbi = null; 10932 } else if (has32BitLibs && has64BitLibs) { 10933 // The application has both 64 and 32 bit bundled libraries. We check 10934 // here that the app declares multiArch support, and warn if it doesn't. 10935 // 10936 // We will be lenient here and record both ABIs. The primary will be the 10937 // ABI that's higher on the list, i.e, a device that's configured to prefer 10938 // 64 bit apps will see a 64 bit primary ABI, 10939 10940 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 10941 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 10942 } 10943 10944 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 10945 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10946 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10947 } else { 10948 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10949 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10950 } 10951 } else { 10952 pkg.applicationInfo.primaryCpuAbi = null; 10953 pkg.applicationInfo.secondaryCpuAbi = null; 10954 } 10955 } 10956 10957 private void killApplication(String pkgName, int appId, String reason) { 10958 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 10959 } 10960 10961 private void killApplication(String pkgName, int appId, int userId, String reason) { 10962 // Request the ActivityManager to kill the process(only for existing packages) 10963 // so that we do not end up in a confused state while the user is still using the older 10964 // version of the application while the new one gets installed. 10965 final long token = Binder.clearCallingIdentity(); 10966 try { 10967 IActivityManager am = ActivityManager.getService(); 10968 if (am != null) { 10969 try { 10970 am.killApplication(pkgName, appId, userId, reason); 10971 } catch (RemoteException e) { 10972 } 10973 } 10974 } finally { 10975 Binder.restoreCallingIdentity(token); 10976 } 10977 } 10978 10979 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 10980 // Remove the parent package setting 10981 PackageSetting ps = (PackageSetting) pkg.mExtras; 10982 if (ps != null) { 10983 removePackageLI(ps, chatty); 10984 } 10985 // Remove the child package setting 10986 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10987 for (int i = 0; i < childCount; i++) { 10988 PackageParser.Package childPkg = pkg.childPackages.get(i); 10989 ps = (PackageSetting) childPkg.mExtras; 10990 if (ps != null) { 10991 removePackageLI(ps, chatty); 10992 } 10993 } 10994 } 10995 10996 void removePackageLI(PackageSetting ps, boolean chatty) { 10997 if (DEBUG_INSTALL) { 10998 if (chatty) 10999 Log.d(TAG, "Removing package " + ps.name); 11000 } 11001 11002 // writer 11003 synchronized (mPackages) { 11004 mPackages.remove(ps.name); 11005 final PackageParser.Package pkg = ps.pkg; 11006 if (pkg != null) { 11007 cleanPackageDataStructuresLILPw(pkg, chatty); 11008 } 11009 } 11010 } 11011 11012 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 11013 if (DEBUG_INSTALL) { 11014 if (chatty) 11015 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 11016 } 11017 11018 // writer 11019 synchronized (mPackages) { 11020 // Remove the parent package 11021 mPackages.remove(pkg.applicationInfo.packageName); 11022 cleanPackageDataStructuresLILPw(pkg, chatty); 11023 11024 // Remove the child packages 11025 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11026 for (int i = 0; i < childCount; i++) { 11027 PackageParser.Package childPkg = pkg.childPackages.get(i); 11028 mPackages.remove(childPkg.applicationInfo.packageName); 11029 cleanPackageDataStructuresLILPw(childPkg, chatty); 11030 } 11031 } 11032 } 11033 11034 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 11035 int N = pkg.providers.size(); 11036 StringBuilder r = null; 11037 int i; 11038 for (i=0; i<N; i++) { 11039 PackageParser.Provider p = pkg.providers.get(i); 11040 mProviders.removeProvider(p); 11041 if (p.info.authority == null) { 11042 11043 /* There was another ContentProvider with this authority when 11044 * this app was installed so this authority is null, 11045 * Ignore it as we don't have to unregister the provider. 11046 */ 11047 continue; 11048 } 11049 String names[] = p.info.authority.split(";"); 11050 for (int j = 0; j < names.length; j++) { 11051 if (mProvidersByAuthority.get(names[j]) == p) { 11052 mProvidersByAuthority.remove(names[j]); 11053 if (DEBUG_REMOVE) { 11054 if (chatty) 11055 Log.d(TAG, "Unregistered content provider: " + names[j] 11056 + ", className = " + p.info.name + ", isSyncable = " 11057 + p.info.isSyncable); 11058 } 11059 } 11060 } 11061 if (DEBUG_REMOVE && chatty) { 11062 if (r == null) { 11063 r = new StringBuilder(256); 11064 } else { 11065 r.append(' '); 11066 } 11067 r.append(p.info.name); 11068 } 11069 } 11070 if (r != null) { 11071 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 11072 } 11073 11074 N = pkg.services.size(); 11075 r = null; 11076 for (i=0; i<N; i++) { 11077 PackageParser.Service s = pkg.services.get(i); 11078 mServices.removeService(s); 11079 if (chatty) { 11080 if (r == null) { 11081 r = new StringBuilder(256); 11082 } else { 11083 r.append(' '); 11084 } 11085 r.append(s.info.name); 11086 } 11087 } 11088 if (r != null) { 11089 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 11090 } 11091 11092 N = pkg.receivers.size(); 11093 r = null; 11094 for (i=0; i<N; i++) { 11095 PackageParser.Activity a = pkg.receivers.get(i); 11096 mReceivers.removeActivity(a, "receiver"); 11097 if (DEBUG_REMOVE && chatty) { 11098 if (r == null) { 11099 r = new StringBuilder(256); 11100 } else { 11101 r.append(' '); 11102 } 11103 r.append(a.info.name); 11104 } 11105 } 11106 if (r != null) { 11107 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 11108 } 11109 11110 N = pkg.activities.size(); 11111 r = null; 11112 for (i=0; i<N; i++) { 11113 PackageParser.Activity a = pkg.activities.get(i); 11114 mActivities.removeActivity(a, "activity"); 11115 if (DEBUG_REMOVE && chatty) { 11116 if (r == null) { 11117 r = new StringBuilder(256); 11118 } else { 11119 r.append(' '); 11120 } 11121 r.append(a.info.name); 11122 } 11123 } 11124 if (r != null) { 11125 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 11126 } 11127 11128 N = pkg.permissions.size(); 11129 r = null; 11130 for (i=0; i<N; i++) { 11131 PackageParser.Permission p = pkg.permissions.get(i); 11132 BasePermission bp = mSettings.mPermissions.get(p.info.name); 11133 if (bp == null) { 11134 bp = mSettings.mPermissionTrees.get(p.info.name); 11135 } 11136 if (bp != null && bp.perm == p) { 11137 bp.perm = null; 11138 if (DEBUG_REMOVE && chatty) { 11139 if (r == null) { 11140 r = new StringBuilder(256); 11141 } else { 11142 r.append(' '); 11143 } 11144 r.append(p.info.name); 11145 } 11146 } 11147 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11148 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 11149 if (appOpPkgs != null) { 11150 appOpPkgs.remove(pkg.packageName); 11151 } 11152 } 11153 } 11154 if (r != null) { 11155 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11156 } 11157 11158 N = pkg.requestedPermissions.size(); 11159 r = null; 11160 for (i=0; i<N; i++) { 11161 String perm = pkg.requestedPermissions.get(i); 11162 BasePermission bp = mSettings.mPermissions.get(perm); 11163 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11164 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 11165 if (appOpPkgs != null) { 11166 appOpPkgs.remove(pkg.packageName); 11167 if (appOpPkgs.isEmpty()) { 11168 mAppOpPermissionPackages.remove(perm); 11169 } 11170 } 11171 } 11172 } 11173 if (r != null) { 11174 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11175 } 11176 11177 N = pkg.instrumentation.size(); 11178 r = null; 11179 for (i=0; i<N; i++) { 11180 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11181 mInstrumentation.remove(a.getComponentName()); 11182 if (DEBUG_REMOVE && chatty) { 11183 if (r == null) { 11184 r = new StringBuilder(256); 11185 } else { 11186 r.append(' '); 11187 } 11188 r.append(a.info.name); 11189 } 11190 } 11191 if (r != null) { 11192 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 11193 } 11194 11195 r = null; 11196 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 11197 // Only system apps can hold shared libraries. 11198 if (pkg.libraryNames != null) { 11199 for (i = 0; i < pkg.libraryNames.size(); i++) { 11200 String name = pkg.libraryNames.get(i); 11201 if (removeSharedLibraryLPw(name, 0)) { 11202 if (DEBUG_REMOVE && chatty) { 11203 if (r == null) { 11204 r = new StringBuilder(256); 11205 } else { 11206 r.append(' '); 11207 } 11208 r.append(name); 11209 } 11210 } 11211 } 11212 } 11213 } 11214 11215 r = null; 11216 11217 // Any package can hold static shared libraries. 11218 if (pkg.staticSharedLibName != null) { 11219 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 11220 if (DEBUG_REMOVE && chatty) { 11221 if (r == null) { 11222 r = new StringBuilder(256); 11223 } else { 11224 r.append(' '); 11225 } 11226 r.append(pkg.staticSharedLibName); 11227 } 11228 } 11229 } 11230 11231 if (r != null) { 11232 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 11233 } 11234 } 11235 11236 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 11237 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 11238 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 11239 return true; 11240 } 11241 } 11242 return false; 11243 } 11244 11245 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 11246 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 11247 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 11248 11249 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 11250 // Update the parent permissions 11251 updatePermissionsLPw(pkg.packageName, pkg, flags); 11252 // Update the child permissions 11253 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11254 for (int i = 0; i < childCount; i++) { 11255 PackageParser.Package childPkg = pkg.childPackages.get(i); 11256 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 11257 } 11258 } 11259 11260 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 11261 int flags) { 11262 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 11263 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 11264 } 11265 11266 private void updatePermissionsLPw(String changingPkg, 11267 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 11268 // Make sure there are no dangling permission trees. 11269 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 11270 while (it.hasNext()) { 11271 final BasePermission bp = it.next(); 11272 if (bp.packageSetting == null) { 11273 // We may not yet have parsed the package, so just see if 11274 // we still know about its settings. 11275 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11276 } 11277 if (bp.packageSetting == null) { 11278 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 11279 + " from package " + bp.sourcePackage); 11280 it.remove(); 11281 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11282 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11283 Slog.i(TAG, "Removing old permission tree: " + bp.name 11284 + " from package " + bp.sourcePackage); 11285 flags |= UPDATE_PERMISSIONS_ALL; 11286 it.remove(); 11287 } 11288 } 11289 } 11290 11291 // Make sure all dynamic permissions have been assigned to a package, 11292 // and make sure there are no dangling permissions. 11293 it = mSettings.mPermissions.values().iterator(); 11294 while (it.hasNext()) { 11295 final BasePermission bp = it.next(); 11296 if (bp.type == BasePermission.TYPE_DYNAMIC) { 11297 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 11298 + bp.name + " pkg=" + bp.sourcePackage 11299 + " info=" + bp.pendingInfo); 11300 if (bp.packageSetting == null && bp.pendingInfo != null) { 11301 final BasePermission tree = findPermissionTreeLP(bp.name); 11302 if (tree != null && tree.perm != null) { 11303 bp.packageSetting = tree.packageSetting; 11304 bp.perm = new PackageParser.Permission(tree.perm.owner, 11305 new PermissionInfo(bp.pendingInfo)); 11306 bp.perm.info.packageName = tree.perm.info.packageName; 11307 bp.perm.info.name = bp.name; 11308 bp.uid = tree.uid; 11309 } 11310 } 11311 } 11312 if (bp.packageSetting == null) { 11313 // We may not yet have parsed the package, so just see if 11314 // we still know about its settings. 11315 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11316 } 11317 if (bp.packageSetting == null) { 11318 Slog.w(TAG, "Removing dangling permission: " + bp.name 11319 + " from package " + bp.sourcePackage); 11320 it.remove(); 11321 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11322 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11323 Slog.i(TAG, "Removing old permission: " + bp.name 11324 + " from package " + bp.sourcePackage); 11325 flags |= UPDATE_PERMISSIONS_ALL; 11326 it.remove(); 11327 } 11328 } 11329 } 11330 11331 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 11332 // Now update the permissions for all packages, in particular 11333 // replace the granted permissions of the system packages. 11334 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 11335 for (PackageParser.Package pkg : mPackages.values()) { 11336 if (pkg != pkgInfo) { 11337 // Only replace for packages on requested volume 11338 final String volumeUuid = getVolumeUuidForPackage(pkg); 11339 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 11340 && Objects.equals(replaceVolumeUuid, volumeUuid); 11341 grantPermissionsLPw(pkg, replace, changingPkg); 11342 } 11343 } 11344 } 11345 11346 if (pkgInfo != null) { 11347 // Only replace for packages on requested volume 11348 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 11349 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 11350 && Objects.equals(replaceVolumeUuid, volumeUuid); 11351 grantPermissionsLPw(pkgInfo, replace, changingPkg); 11352 } 11353 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11354 } 11355 11356 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 11357 String packageOfInterest) { 11358 // IMPORTANT: There are two types of permissions: install and runtime. 11359 // Install time permissions are granted when the app is installed to 11360 // all device users and users added in the future. Runtime permissions 11361 // are granted at runtime explicitly to specific users. Normal and signature 11362 // protected permissions are install time permissions. Dangerous permissions 11363 // are install permissions if the app's target SDK is Lollipop MR1 or older, 11364 // otherwise they are runtime permissions. This function does not manage 11365 // runtime permissions except for the case an app targeting Lollipop MR1 11366 // being upgraded to target a newer SDK, in which case dangerous permissions 11367 // are transformed from install time to runtime ones. 11368 11369 final PackageSetting ps = (PackageSetting) pkg.mExtras; 11370 if (ps == null) { 11371 return; 11372 } 11373 11374 PermissionsState permissionsState = ps.getPermissionsState(); 11375 PermissionsState origPermissions = permissionsState; 11376 11377 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 11378 11379 boolean runtimePermissionsRevoked = false; 11380 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 11381 11382 boolean changedInstallPermission = false; 11383 11384 if (replace) { 11385 ps.installPermissionsFixed = false; 11386 if (!ps.isSharedUser()) { 11387 origPermissions = new PermissionsState(permissionsState); 11388 permissionsState.reset(); 11389 } else { 11390 // We need to know only about runtime permission changes since the 11391 // calling code always writes the install permissions state but 11392 // the runtime ones are written only if changed. The only cases of 11393 // changed runtime permissions here are promotion of an install to 11394 // runtime and revocation of a runtime from a shared user. 11395 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 11396 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 11397 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 11398 runtimePermissionsRevoked = true; 11399 } 11400 } 11401 } 11402 11403 permissionsState.setGlobalGids(mGlobalGids); 11404 11405 final int N = pkg.requestedPermissions.size(); 11406 for (int i=0; i<N; i++) { 11407 final String name = pkg.requestedPermissions.get(i); 11408 final BasePermission bp = mSettings.mPermissions.get(name); 11409 11410 if (DEBUG_INSTALL) { 11411 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 11412 } 11413 11414 if (bp == null || bp.packageSetting == null) { 11415 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11416 Slog.w(TAG, "Unknown permission " + name 11417 + " in package " + pkg.packageName); 11418 } 11419 continue; 11420 } 11421 11422 11423 // Limit ephemeral apps to ephemeral allowed permissions. 11424 if (pkg.applicationInfo.isInstantApp() && !bp.isInstant()) { 11425 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 11426 + pkg.packageName); 11427 continue; 11428 } 11429 11430 final String perm = bp.name; 11431 boolean allowedSig = false; 11432 int grant = GRANT_DENIED; 11433 11434 // Keep track of app op permissions. 11435 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11436 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 11437 if (pkgs == null) { 11438 pkgs = new ArraySet<>(); 11439 mAppOpPermissionPackages.put(bp.name, pkgs); 11440 } 11441 pkgs.add(pkg.packageName); 11442 } 11443 11444 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 11445 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 11446 >= Build.VERSION_CODES.M; 11447 switch (level) { 11448 case PermissionInfo.PROTECTION_NORMAL: { 11449 // For all apps normal permissions are install time ones. 11450 grant = GRANT_INSTALL; 11451 } break; 11452 11453 case PermissionInfo.PROTECTION_DANGEROUS: { 11454 // If a permission review is required for legacy apps we represent 11455 // their permissions as always granted runtime ones since we need 11456 // to keep the review required permission flag per user while an 11457 // install permission's state is shared across all users. 11458 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 11459 // For legacy apps dangerous permissions are install time ones. 11460 grant = GRANT_INSTALL; 11461 } else if (origPermissions.hasInstallPermission(bp.name)) { 11462 // For legacy apps that became modern, install becomes runtime. 11463 grant = GRANT_UPGRADE; 11464 } else if (mPromoteSystemApps 11465 && isSystemApp(ps) 11466 && mExistingSystemPackages.contains(ps.name)) { 11467 // For legacy system apps, install becomes runtime. 11468 // We cannot check hasInstallPermission() for system apps since those 11469 // permissions were granted implicitly and not persisted pre-M. 11470 grant = GRANT_UPGRADE; 11471 } else { 11472 // For modern apps keep runtime permissions unchanged. 11473 grant = GRANT_RUNTIME; 11474 } 11475 } break; 11476 11477 case PermissionInfo.PROTECTION_SIGNATURE: { 11478 // For all apps signature permissions are install time ones. 11479 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 11480 if (allowedSig) { 11481 grant = GRANT_INSTALL; 11482 } 11483 } break; 11484 } 11485 11486 if (DEBUG_INSTALL) { 11487 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 11488 } 11489 11490 if (grant != GRANT_DENIED) { 11491 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 11492 // If this is an existing, non-system package, then 11493 // we can't add any new permissions to it. 11494 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 11495 // Except... if this is a permission that was added 11496 // to the platform (note: need to only do this when 11497 // updating the platform). 11498 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 11499 grant = GRANT_DENIED; 11500 } 11501 } 11502 } 11503 11504 switch (grant) { 11505 case GRANT_INSTALL: { 11506 // Revoke this as runtime permission to handle the case of 11507 // a runtime permission being downgraded to an install one. 11508 // Also in permission review mode we keep dangerous permissions 11509 // for legacy apps 11510 for (int userId : UserManagerService.getInstance().getUserIds()) { 11511 if (origPermissions.getRuntimePermissionState( 11512 bp.name, userId) != null) { 11513 // Revoke the runtime permission and clear the flags. 11514 origPermissions.revokeRuntimePermission(bp, userId); 11515 origPermissions.updatePermissionFlags(bp, userId, 11516 PackageManager.MASK_PERMISSION_FLAGS, 0); 11517 // If we revoked a permission permission, we have to write. 11518 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11519 changedRuntimePermissionUserIds, userId); 11520 } 11521 } 11522 // Grant an install permission. 11523 if (permissionsState.grantInstallPermission(bp) != 11524 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11525 changedInstallPermission = true; 11526 } 11527 } break; 11528 11529 case GRANT_RUNTIME: { 11530 // Grant previously granted runtime permissions. 11531 for (int userId : UserManagerService.getInstance().getUserIds()) { 11532 PermissionState permissionState = origPermissions 11533 .getRuntimePermissionState(bp.name, userId); 11534 int flags = permissionState != null 11535 ? permissionState.getFlags() : 0; 11536 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 11537 // Don't propagate the permission in a permission review mode if 11538 // the former was revoked, i.e. marked to not propagate on upgrade. 11539 // Note that in a permission review mode install permissions are 11540 // represented as constantly granted runtime ones since we need to 11541 // keep a per user state associated with the permission. Also the 11542 // revoke on upgrade flag is no longer applicable and is reset. 11543 final boolean revokeOnUpgrade = (flags & PackageManager 11544 .FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 11545 if (revokeOnUpgrade) { 11546 flags &= ~PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 11547 // Since we changed the flags, we have to write. 11548 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11549 changedRuntimePermissionUserIds, userId); 11550 } 11551 if (!mPermissionReviewRequired || !revokeOnUpgrade) { 11552 if (permissionsState.grantRuntimePermission(bp, userId) == 11553 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11554 // If we cannot put the permission as it was, 11555 // we have to write. 11556 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11557 changedRuntimePermissionUserIds, userId); 11558 } 11559 } 11560 11561 // If the app supports runtime permissions no need for a review. 11562 if (mPermissionReviewRequired 11563 && appSupportsRuntimePermissions 11564 && (flags & PackageManager 11565 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 11566 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 11567 // Since we changed the flags, we have to write. 11568 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11569 changedRuntimePermissionUserIds, userId); 11570 } 11571 } else if (mPermissionReviewRequired 11572 && !appSupportsRuntimePermissions) { 11573 // For legacy apps that need a permission review, every new 11574 // runtime permission is granted but it is pending a review. 11575 // We also need to review only platform defined runtime 11576 // permissions as these are the only ones the platform knows 11577 // how to disable the API to simulate revocation as legacy 11578 // apps don't expect to run with revoked permissions. 11579 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 11580 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 11581 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 11582 // We changed the flags, hence have to write. 11583 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11584 changedRuntimePermissionUserIds, userId); 11585 } 11586 } 11587 if (permissionsState.grantRuntimePermission(bp, userId) 11588 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11589 // We changed the permission, hence have to write. 11590 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11591 changedRuntimePermissionUserIds, userId); 11592 } 11593 } 11594 // Propagate the permission flags. 11595 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 11596 } 11597 } break; 11598 11599 case GRANT_UPGRADE: { 11600 // Grant runtime permissions for a previously held install permission. 11601 PermissionState permissionState = origPermissions 11602 .getInstallPermissionState(bp.name); 11603 final int flags = permissionState != null ? permissionState.getFlags() : 0; 11604 11605 if (origPermissions.revokeInstallPermission(bp) 11606 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11607 // We will be transferring the permission flags, so clear them. 11608 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 11609 PackageManager.MASK_PERMISSION_FLAGS, 0); 11610 changedInstallPermission = true; 11611 } 11612 11613 // If the permission is not to be promoted to runtime we ignore it and 11614 // also its other flags as they are not applicable to install permissions. 11615 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 11616 for (int userId : currentUserIds) { 11617 if (permissionsState.grantRuntimePermission(bp, userId) != 11618 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11619 // Transfer the permission flags. 11620 permissionsState.updatePermissionFlags(bp, userId, 11621 flags, flags); 11622 // If we granted the permission, we have to write. 11623 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11624 changedRuntimePermissionUserIds, userId); 11625 } 11626 } 11627 } 11628 } break; 11629 11630 default: { 11631 if (packageOfInterest == null 11632 || packageOfInterest.equals(pkg.packageName)) { 11633 Slog.w(TAG, "Not granting permission " + perm 11634 + " to package " + pkg.packageName 11635 + " because it was previously installed without"); 11636 } 11637 } break; 11638 } 11639 } else { 11640 if (permissionsState.revokeInstallPermission(bp) != 11641 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11642 // Also drop the permission flags. 11643 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 11644 PackageManager.MASK_PERMISSION_FLAGS, 0); 11645 changedInstallPermission = true; 11646 Slog.i(TAG, "Un-granting permission " + perm 11647 + " from package " + pkg.packageName 11648 + " (protectionLevel=" + bp.protectionLevel 11649 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11650 + ")"); 11651 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 11652 // Don't print warning for app op permissions, since it is fine for them 11653 // not to be granted, there is a UI for the user to decide. 11654 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11655 Slog.w(TAG, "Not granting permission " + perm 11656 + " to package " + pkg.packageName 11657 + " (protectionLevel=" + bp.protectionLevel 11658 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11659 + ")"); 11660 } 11661 } 11662 } 11663 } 11664 11665 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 11666 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 11667 // This is the first that we have heard about this package, so the 11668 // permissions we have now selected are fixed until explicitly 11669 // changed. 11670 ps.installPermissionsFixed = true; 11671 } 11672 11673 // Persist the runtime permissions state for users with changes. If permissions 11674 // were revoked because no app in the shared user declares them we have to 11675 // write synchronously to avoid losing runtime permissions state. 11676 for (int userId : changedRuntimePermissionUserIds) { 11677 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 11678 } 11679 } 11680 11681 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 11682 boolean allowed = false; 11683 final int NP = PackageParser.NEW_PERMISSIONS.length; 11684 for (int ip=0; ip<NP; ip++) { 11685 final PackageParser.NewPermissionInfo npi 11686 = PackageParser.NEW_PERMISSIONS[ip]; 11687 if (npi.name.equals(perm) 11688 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 11689 allowed = true; 11690 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 11691 + pkg.packageName); 11692 break; 11693 } 11694 } 11695 return allowed; 11696 } 11697 11698 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 11699 BasePermission bp, PermissionsState origPermissions) { 11700 boolean privilegedPermission = (bp.protectionLevel 11701 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 11702 boolean privappPermissionsDisable = 11703 RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; 11704 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 11705 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 11706 if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivilegedApp() 11707 && !platformPackage && platformPermission) { 11708 ArraySet<String> wlPermissions = SystemConfig.getInstance() 11709 .getPrivAppPermissions(pkg.packageName); 11710 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 11711 if (!whitelisted) { 11712 Slog.w(TAG, "Privileged permission " + perm + " for package " 11713 + pkg.packageName + " - not in privapp-permissions whitelist"); 11714 if (!mSystemReady) { 11715 if (mPrivappPermissionsViolations == null) { 11716 mPrivappPermissionsViolations = new ArraySet<>(); 11717 } 11718 mPrivappPermissionsViolations.add(pkg.packageName + ": " + perm); 11719 } 11720 if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { 11721 return false; 11722 } 11723 } 11724 } 11725 boolean allowed = (compareSignatures( 11726 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 11727 == PackageManager.SIGNATURE_MATCH) 11728 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 11729 == PackageManager.SIGNATURE_MATCH); 11730 if (!allowed && privilegedPermission) { 11731 if (isSystemApp(pkg)) { 11732 // For updated system applications, a system permission 11733 // is granted only if it had been defined by the original application. 11734 if (pkg.isUpdatedSystemApp()) { 11735 final PackageSetting sysPs = mSettings 11736 .getDisabledSystemPkgLPr(pkg.packageName); 11737 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 11738 // If the original was granted this permission, we take 11739 // that grant decision as read and propagate it to the 11740 // update. 11741 if (sysPs.isPrivileged()) { 11742 allowed = true; 11743 } 11744 } else { 11745 // The system apk may have been updated with an older 11746 // version of the one on the data partition, but which 11747 // granted a new system permission that it didn't have 11748 // before. In this case we do want to allow the app to 11749 // now get the new permission if the ancestral apk is 11750 // privileged to get it. 11751 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 11752 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 11753 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 11754 allowed = true; 11755 break; 11756 } 11757 } 11758 } 11759 // Also if a privileged parent package on the system image or any of 11760 // its children requested a privileged permission, the updated child 11761 // packages can also get the permission. 11762 if (pkg.parentPackage != null) { 11763 final PackageSetting disabledSysParentPs = mSettings 11764 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 11765 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 11766 && disabledSysParentPs.isPrivileged()) { 11767 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 11768 allowed = true; 11769 } else if (disabledSysParentPs.pkg.childPackages != null) { 11770 final int count = disabledSysParentPs.pkg.childPackages.size(); 11771 for (int i = 0; i < count; i++) { 11772 PackageParser.Package disabledSysChildPkg = 11773 disabledSysParentPs.pkg.childPackages.get(i); 11774 if (isPackageRequestingPermission(disabledSysChildPkg, 11775 perm)) { 11776 allowed = true; 11777 break; 11778 } 11779 } 11780 } 11781 } 11782 } 11783 } 11784 } else { 11785 allowed = isPrivilegedApp(pkg); 11786 } 11787 } 11788 } 11789 if (!allowed) { 11790 if (!allowed && (bp.protectionLevel 11791 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 11792 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 11793 // If this was a previously normal/dangerous permission that got moved 11794 // to a system permission as part of the runtime permission redesign, then 11795 // we still want to blindly grant it to old apps. 11796 allowed = true; 11797 } 11798 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 11799 && pkg.packageName.equals(mRequiredInstallerPackage)) { 11800 // If this permission is to be granted to the system installer and 11801 // this app is an installer, then it gets the permission. 11802 allowed = true; 11803 } 11804 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 11805 && pkg.packageName.equals(mRequiredVerifierPackage)) { 11806 // If this permission is to be granted to the system verifier and 11807 // this app is a verifier, then it gets the permission. 11808 allowed = true; 11809 } 11810 if (!allowed && (bp.protectionLevel 11811 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 11812 && isSystemApp(pkg)) { 11813 // Any pre-installed system app is allowed to get this permission. 11814 allowed = true; 11815 } 11816 if (!allowed && (bp.protectionLevel 11817 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 11818 // For development permissions, a development permission 11819 // is granted only if it was already granted. 11820 allowed = origPermissions.hasInstallPermission(perm); 11821 } 11822 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 11823 && pkg.packageName.equals(mSetupWizardPackage)) { 11824 // If this permission is to be granted to the system setup wizard and 11825 // this app is a setup wizard, then it gets the permission. 11826 allowed = true; 11827 } 11828 } 11829 return allowed; 11830 } 11831 11832 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 11833 final int permCount = pkg.requestedPermissions.size(); 11834 for (int j = 0; j < permCount; j++) { 11835 String requestedPermission = pkg.requestedPermissions.get(j); 11836 if (permission.equals(requestedPermission)) { 11837 return true; 11838 } 11839 } 11840 return false; 11841 } 11842 11843 final class ActivityIntentResolver 11844 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 11845 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11846 boolean defaultOnly, int userId) { 11847 if (!sUserManager.exists(userId)) return null; 11848 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0); 11849 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11850 } 11851 11852 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11853 int userId) { 11854 if (!sUserManager.exists(userId)) return null; 11855 mFlags = flags; 11856 return super.queryIntent(intent, resolvedType, 11857 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11858 userId); 11859 } 11860 11861 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11862 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 11863 if (!sUserManager.exists(userId)) return null; 11864 if (packageActivities == null) { 11865 return null; 11866 } 11867 mFlags = flags; 11868 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11869 final int N = packageActivities.size(); 11870 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 11871 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 11872 11873 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 11874 for (int i = 0; i < N; ++i) { 11875 intentFilters = packageActivities.get(i).intents; 11876 if (intentFilters != null && intentFilters.size() > 0) { 11877 PackageParser.ActivityIntentInfo[] array = 11878 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 11879 intentFilters.toArray(array); 11880 listCut.add(array); 11881 } 11882 } 11883 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11884 } 11885 11886 /** 11887 * Finds a privileged activity that matches the specified activity names. 11888 */ 11889 private PackageParser.Activity findMatchingActivity( 11890 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 11891 for (PackageParser.Activity sysActivity : activityList) { 11892 if (sysActivity.info.name.equals(activityInfo.name)) { 11893 return sysActivity; 11894 } 11895 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 11896 return sysActivity; 11897 } 11898 if (sysActivity.info.targetActivity != null) { 11899 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 11900 return sysActivity; 11901 } 11902 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 11903 return sysActivity; 11904 } 11905 } 11906 } 11907 return null; 11908 } 11909 11910 public class IterGenerator<E> { 11911 public Iterator<E> generate(ActivityIntentInfo info) { 11912 return null; 11913 } 11914 } 11915 11916 public class ActionIterGenerator extends IterGenerator<String> { 11917 @Override 11918 public Iterator<String> generate(ActivityIntentInfo info) { 11919 return info.actionsIterator(); 11920 } 11921 } 11922 11923 public class CategoriesIterGenerator extends IterGenerator<String> { 11924 @Override 11925 public Iterator<String> generate(ActivityIntentInfo info) { 11926 return info.categoriesIterator(); 11927 } 11928 } 11929 11930 public class SchemesIterGenerator extends IterGenerator<String> { 11931 @Override 11932 public Iterator<String> generate(ActivityIntentInfo info) { 11933 return info.schemesIterator(); 11934 } 11935 } 11936 11937 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 11938 @Override 11939 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 11940 return info.authoritiesIterator(); 11941 } 11942 } 11943 11944 /** 11945 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 11946 * MODIFIED. Do not pass in a list that should not be changed. 11947 */ 11948 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 11949 IterGenerator<T> generator, Iterator<T> searchIterator) { 11950 // loop through the set of actions; every one must be found in the intent filter 11951 while (searchIterator.hasNext()) { 11952 // we must have at least one filter in the list to consider a match 11953 if (intentList.size() == 0) { 11954 break; 11955 } 11956 11957 final T searchAction = searchIterator.next(); 11958 11959 // loop through the set of intent filters 11960 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 11961 while (intentIter.hasNext()) { 11962 final ActivityIntentInfo intentInfo = intentIter.next(); 11963 boolean selectionFound = false; 11964 11965 // loop through the intent filter's selection criteria; at least one 11966 // of them must match the searched criteria 11967 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 11968 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 11969 final T intentSelection = intentSelectionIter.next(); 11970 if (intentSelection != null && intentSelection.equals(searchAction)) { 11971 selectionFound = true; 11972 break; 11973 } 11974 } 11975 11976 // the selection criteria wasn't found in this filter's set; this filter 11977 // is not a potential match 11978 if (!selectionFound) { 11979 intentIter.remove(); 11980 } 11981 } 11982 } 11983 } 11984 11985 private boolean isProtectedAction(ActivityIntentInfo filter) { 11986 final Iterator<String> actionsIter = filter.actionsIterator(); 11987 while (actionsIter != null && actionsIter.hasNext()) { 11988 final String filterAction = actionsIter.next(); 11989 if (PROTECTED_ACTIONS.contains(filterAction)) { 11990 return true; 11991 } 11992 } 11993 return false; 11994 } 11995 11996 /** 11997 * Adjusts the priority of the given intent filter according to policy. 11998 * <p> 11999 * <ul> 12000 * <li>The priority for non privileged applications is capped to '0'</li> 12001 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 12002 * <li>The priority for unbundled updates to privileged applications is capped to the 12003 * priority defined on the system partition</li> 12004 * </ul> 12005 * <p> 12006 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 12007 * allowed to obtain any priority on any action. 12008 */ 12009 private void adjustPriority( 12010 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 12011 // nothing to do; priority is fine as-is 12012 if (intent.getPriority() <= 0) { 12013 return; 12014 } 12015 12016 final ActivityInfo activityInfo = intent.activity.info; 12017 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 12018 12019 final boolean privilegedApp = 12020 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 12021 if (!privilegedApp) { 12022 // non-privileged applications can never define a priority >0 12023 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 12024 + " package: " + applicationInfo.packageName 12025 + " activity: " + intent.activity.className 12026 + " origPrio: " + intent.getPriority()); 12027 intent.setPriority(0); 12028 return; 12029 } 12030 12031 if (systemActivities == null) { 12032 // the system package is not disabled; we're parsing the system partition 12033 if (isProtectedAction(intent)) { 12034 if (mDeferProtectedFilters) { 12035 // We can't deal with these just yet. No component should ever obtain a 12036 // >0 priority for a protected actions, with ONE exception -- the setup 12037 // wizard. The setup wizard, however, cannot be known until we're able to 12038 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 12039 // until all intent filters have been processed. Chicken, meet egg. 12040 // Let the filter temporarily have a high priority and rectify the 12041 // priorities after all system packages have been scanned. 12042 mProtectedFilters.add(intent); 12043 if (DEBUG_FILTERS) { 12044 Slog.i(TAG, "Protected action; save for later;" 12045 + " package: " + applicationInfo.packageName 12046 + " activity: " + intent.activity.className 12047 + " origPrio: " + intent.getPriority()); 12048 } 12049 return; 12050 } else { 12051 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 12052 Slog.i(TAG, "No setup wizard;" 12053 + " All protected intents capped to priority 0"); 12054 } 12055 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 12056 if (DEBUG_FILTERS) { 12057 Slog.i(TAG, "Found setup wizard;" 12058 + " allow priority " + intent.getPriority() + ";" 12059 + " package: " + intent.activity.info.packageName 12060 + " activity: " + intent.activity.className 12061 + " priority: " + intent.getPriority()); 12062 } 12063 // setup wizard gets whatever it wants 12064 return; 12065 } 12066 Slog.w(TAG, "Protected action; cap priority to 0;" 12067 + " package: " + intent.activity.info.packageName 12068 + " activity: " + intent.activity.className 12069 + " origPrio: " + intent.getPriority()); 12070 intent.setPriority(0); 12071 return; 12072 } 12073 } 12074 // privileged apps on the system image get whatever priority they request 12075 return; 12076 } 12077 12078 // privileged app unbundled update ... try to find the same activity 12079 final PackageParser.Activity foundActivity = 12080 findMatchingActivity(systemActivities, activityInfo); 12081 if (foundActivity == null) { 12082 // this is a new activity; it cannot obtain >0 priority 12083 if (DEBUG_FILTERS) { 12084 Slog.i(TAG, "New activity; cap priority to 0;" 12085 + " package: " + applicationInfo.packageName 12086 + " activity: " + intent.activity.className 12087 + " origPrio: " + intent.getPriority()); 12088 } 12089 intent.setPriority(0); 12090 return; 12091 } 12092 12093 // found activity, now check for filter equivalence 12094 12095 // a shallow copy is enough; we modify the list, not its contents 12096 final List<ActivityIntentInfo> intentListCopy = 12097 new ArrayList<>(foundActivity.intents); 12098 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 12099 12100 // find matching action subsets 12101 final Iterator<String> actionsIterator = intent.actionsIterator(); 12102 if (actionsIterator != null) { 12103 getIntentListSubset( 12104 intentListCopy, new ActionIterGenerator(), actionsIterator); 12105 if (intentListCopy.size() == 0) { 12106 // no more intents to match; we're not equivalent 12107 if (DEBUG_FILTERS) { 12108 Slog.i(TAG, "Mismatched action; cap priority to 0;" 12109 + " package: " + applicationInfo.packageName 12110 + " activity: " + intent.activity.className 12111 + " origPrio: " + intent.getPriority()); 12112 } 12113 intent.setPriority(0); 12114 return; 12115 } 12116 } 12117 12118 // find matching category subsets 12119 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 12120 if (categoriesIterator != null) { 12121 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 12122 categoriesIterator); 12123 if (intentListCopy.size() == 0) { 12124 // no more intents to match; we're not equivalent 12125 if (DEBUG_FILTERS) { 12126 Slog.i(TAG, "Mismatched category; cap priority to 0;" 12127 + " package: " + applicationInfo.packageName 12128 + " activity: " + intent.activity.className 12129 + " origPrio: " + intent.getPriority()); 12130 } 12131 intent.setPriority(0); 12132 return; 12133 } 12134 } 12135 12136 // find matching schemes subsets 12137 final Iterator<String> schemesIterator = intent.schemesIterator(); 12138 if (schemesIterator != null) { 12139 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 12140 schemesIterator); 12141 if (intentListCopy.size() == 0) { 12142 // no more intents to match; we're not equivalent 12143 if (DEBUG_FILTERS) { 12144 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 12145 + " package: " + applicationInfo.packageName 12146 + " activity: " + intent.activity.className 12147 + " origPrio: " + intent.getPriority()); 12148 } 12149 intent.setPriority(0); 12150 return; 12151 } 12152 } 12153 12154 // find matching authorities subsets 12155 final Iterator<IntentFilter.AuthorityEntry> 12156 authoritiesIterator = intent.authoritiesIterator(); 12157 if (authoritiesIterator != null) { 12158 getIntentListSubset(intentListCopy, 12159 new AuthoritiesIterGenerator(), 12160 authoritiesIterator); 12161 if (intentListCopy.size() == 0) { 12162 // no more intents to match; we're not equivalent 12163 if (DEBUG_FILTERS) { 12164 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 12165 + " package: " + applicationInfo.packageName 12166 + " activity: " + intent.activity.className 12167 + " origPrio: " + intent.getPriority()); 12168 } 12169 intent.setPriority(0); 12170 return; 12171 } 12172 } 12173 12174 // we found matching filter(s); app gets the max priority of all intents 12175 int cappedPriority = 0; 12176 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 12177 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 12178 } 12179 if (intent.getPriority() > cappedPriority) { 12180 if (DEBUG_FILTERS) { 12181 Slog.i(TAG, "Found matching filter(s);" 12182 + " cap priority to " + cappedPriority + ";" 12183 + " package: " + applicationInfo.packageName 12184 + " activity: " + intent.activity.className 12185 + " origPrio: " + intent.getPriority()); 12186 } 12187 intent.setPriority(cappedPriority); 12188 return; 12189 } 12190 // all this for nothing; the requested priority was <= what was on the system 12191 } 12192 12193 public final void addActivity(PackageParser.Activity a, String type) { 12194 mActivities.put(a.getComponentName(), a); 12195 if (DEBUG_SHOW_INFO) 12196 Log.v( 12197 TAG, " " + type + " " + 12198 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 12199 if (DEBUG_SHOW_INFO) 12200 Log.v(TAG, " Class=" + a.info.name); 12201 final int NI = a.intents.size(); 12202 for (int j=0; j<NI; j++) { 12203 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12204 if ("activity".equals(type)) { 12205 final PackageSetting ps = 12206 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 12207 final List<PackageParser.Activity> systemActivities = 12208 ps != null && ps.pkg != null ? ps.pkg.activities : null; 12209 adjustPriority(systemActivities, intent); 12210 } 12211 if (DEBUG_SHOW_INFO) { 12212 Log.v(TAG, " IntentFilter:"); 12213 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12214 } 12215 if (!intent.debugCheck()) { 12216 Log.w(TAG, "==> For Activity " + a.info.name); 12217 } 12218 addFilter(intent); 12219 } 12220 } 12221 12222 public final void removeActivity(PackageParser.Activity a, String type) { 12223 mActivities.remove(a.getComponentName()); 12224 if (DEBUG_SHOW_INFO) { 12225 Log.v(TAG, " " + type + " " 12226 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 12227 : a.info.name) + ":"); 12228 Log.v(TAG, " Class=" + a.info.name); 12229 } 12230 final int NI = a.intents.size(); 12231 for (int j=0; j<NI; j++) { 12232 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12233 if (DEBUG_SHOW_INFO) { 12234 Log.v(TAG, " IntentFilter:"); 12235 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12236 } 12237 removeFilter(intent); 12238 } 12239 } 12240 12241 @Override 12242 protected boolean allowFilterResult( 12243 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 12244 ActivityInfo filterAi = filter.activity.info; 12245 for (int i=dest.size()-1; i>=0; i--) { 12246 ActivityInfo destAi = dest.get(i).activityInfo; 12247 if (destAi.name == filterAi.name 12248 && destAi.packageName == filterAi.packageName) { 12249 return false; 12250 } 12251 } 12252 return true; 12253 } 12254 12255 @Override 12256 protected ActivityIntentInfo[] newArray(int size) { 12257 return new ActivityIntentInfo[size]; 12258 } 12259 12260 @Override 12261 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 12262 if (!sUserManager.exists(userId)) return true; 12263 PackageParser.Package p = filter.activity.owner; 12264 if (p != null) { 12265 PackageSetting ps = (PackageSetting)p.mExtras; 12266 if (ps != null) { 12267 // System apps are never considered stopped for purposes of 12268 // filtering, because there may be no way for the user to 12269 // actually re-launch them. 12270 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 12271 && ps.getStopped(userId); 12272 } 12273 } 12274 return false; 12275 } 12276 12277 @Override 12278 protected boolean isPackageForFilter(String packageName, 12279 PackageParser.ActivityIntentInfo info) { 12280 return packageName.equals(info.activity.owner.packageName); 12281 } 12282 12283 @Override 12284 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 12285 int match, int userId) { 12286 if (!sUserManager.exists(userId)) return null; 12287 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 12288 return null; 12289 } 12290 final PackageParser.Activity activity = info.activity; 12291 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 12292 if (ps == null) { 12293 return null; 12294 } 12295 final PackageUserState userState = ps.readUserState(userId); 12296 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 12297 userState, userId); 12298 if (ai == null) { 12299 return null; 12300 } 12301 final boolean matchVisibleToInstantApp = 12302 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12303 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12304 // throw out filters that aren't visible to ephemeral apps 12305 if (matchVisibleToInstantApp 12306 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 12307 return null; 12308 } 12309 // throw out ephemeral filters if we're not explicitly requesting them 12310 if (!isInstantApp && userState.instantApp) { 12311 return null; 12312 } 12313 final ResolveInfo res = new ResolveInfo(); 12314 res.activityInfo = ai; 12315 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12316 res.filter = info; 12317 } 12318 if (info != null) { 12319 res.handleAllWebDataURI = info.handleAllWebDataURI(); 12320 } 12321 res.priority = info.getPriority(); 12322 res.preferredOrder = activity.owner.mPreferredOrder; 12323 //System.out.println("Result: " + res.activityInfo.className + 12324 // " = " + res.priority); 12325 res.match = match; 12326 res.isDefault = info.hasDefault; 12327 res.labelRes = info.labelRes; 12328 res.nonLocalizedLabel = info.nonLocalizedLabel; 12329 if (userNeedsBadging(userId)) { 12330 res.noResourceId = true; 12331 } else { 12332 res.icon = info.icon; 12333 } 12334 res.iconResourceId = info.icon; 12335 res.system = res.activityInfo.applicationInfo.isSystemApp(); 12336 return res; 12337 } 12338 12339 @Override 12340 protected void sortResults(List<ResolveInfo> results) { 12341 Collections.sort(results, mResolvePrioritySorter); 12342 } 12343 12344 @Override 12345 protected void dumpFilter(PrintWriter out, String prefix, 12346 PackageParser.ActivityIntentInfo filter) { 12347 out.print(prefix); out.print( 12348 Integer.toHexString(System.identityHashCode(filter.activity))); 12349 out.print(' '); 12350 filter.activity.printComponentShortName(out); 12351 out.print(" filter "); 12352 out.println(Integer.toHexString(System.identityHashCode(filter))); 12353 } 12354 12355 @Override 12356 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 12357 return filter.activity; 12358 } 12359 12360 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12361 PackageParser.Activity activity = (PackageParser.Activity)label; 12362 out.print(prefix); out.print( 12363 Integer.toHexString(System.identityHashCode(activity))); 12364 out.print(' '); 12365 activity.printComponentShortName(out); 12366 if (count > 1) { 12367 out.print(" ("); out.print(count); out.print(" filters)"); 12368 } 12369 out.println(); 12370 } 12371 12372 // Keys are String (activity class name), values are Activity. 12373 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 12374 = new ArrayMap<ComponentName, PackageParser.Activity>(); 12375 private int mFlags; 12376 } 12377 12378 private final class ServiceIntentResolver 12379 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 12380 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12381 boolean defaultOnly, int userId) { 12382 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12383 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12384 } 12385 12386 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12387 int userId) { 12388 if (!sUserManager.exists(userId)) return null; 12389 mFlags = flags; 12390 return super.queryIntent(intent, resolvedType, 12391 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12392 userId); 12393 } 12394 12395 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12396 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 12397 if (!sUserManager.exists(userId)) return null; 12398 if (packageServices == null) { 12399 return null; 12400 } 12401 mFlags = flags; 12402 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 12403 final int N = packageServices.size(); 12404 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 12405 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 12406 12407 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 12408 for (int i = 0; i < N; ++i) { 12409 intentFilters = packageServices.get(i).intents; 12410 if (intentFilters != null && intentFilters.size() > 0) { 12411 PackageParser.ServiceIntentInfo[] array = 12412 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 12413 intentFilters.toArray(array); 12414 listCut.add(array); 12415 } 12416 } 12417 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12418 } 12419 12420 public final void addService(PackageParser.Service s) { 12421 mServices.put(s.getComponentName(), s); 12422 if (DEBUG_SHOW_INFO) { 12423 Log.v(TAG, " " 12424 + (s.info.nonLocalizedLabel != null 12425 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12426 Log.v(TAG, " Class=" + s.info.name); 12427 } 12428 final int NI = s.intents.size(); 12429 int j; 12430 for (j=0; j<NI; j++) { 12431 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12432 if (DEBUG_SHOW_INFO) { 12433 Log.v(TAG, " IntentFilter:"); 12434 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12435 } 12436 if (!intent.debugCheck()) { 12437 Log.w(TAG, "==> For Service " + s.info.name); 12438 } 12439 addFilter(intent); 12440 } 12441 } 12442 12443 public final void removeService(PackageParser.Service s) { 12444 mServices.remove(s.getComponentName()); 12445 if (DEBUG_SHOW_INFO) { 12446 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 12447 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12448 Log.v(TAG, " Class=" + s.info.name); 12449 } 12450 final int NI = s.intents.size(); 12451 int j; 12452 for (j=0; j<NI; j++) { 12453 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12454 if (DEBUG_SHOW_INFO) { 12455 Log.v(TAG, " IntentFilter:"); 12456 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12457 } 12458 removeFilter(intent); 12459 } 12460 } 12461 12462 @Override 12463 protected boolean allowFilterResult( 12464 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 12465 ServiceInfo filterSi = filter.service.info; 12466 for (int i=dest.size()-1; i>=0; i--) { 12467 ServiceInfo destAi = dest.get(i).serviceInfo; 12468 if (destAi.name == filterSi.name 12469 && destAi.packageName == filterSi.packageName) { 12470 return false; 12471 } 12472 } 12473 return true; 12474 } 12475 12476 @Override 12477 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 12478 return new PackageParser.ServiceIntentInfo[size]; 12479 } 12480 12481 @Override 12482 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 12483 if (!sUserManager.exists(userId)) return true; 12484 PackageParser.Package p = filter.service.owner; 12485 if (p != null) { 12486 PackageSetting ps = (PackageSetting)p.mExtras; 12487 if (ps != null) { 12488 // System apps are never considered stopped for purposes of 12489 // filtering, because there may be no way for the user to 12490 // actually re-launch them. 12491 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12492 && ps.getStopped(userId); 12493 } 12494 } 12495 return false; 12496 } 12497 12498 @Override 12499 protected boolean isPackageForFilter(String packageName, 12500 PackageParser.ServiceIntentInfo info) { 12501 return packageName.equals(info.service.owner.packageName); 12502 } 12503 12504 @Override 12505 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 12506 int match, int userId) { 12507 if (!sUserManager.exists(userId)) return null; 12508 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 12509 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 12510 return null; 12511 } 12512 final PackageParser.Service service = info.service; 12513 PackageSetting ps = (PackageSetting) service.owner.mExtras; 12514 if (ps == null) { 12515 return null; 12516 } 12517 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 12518 ps.readUserState(userId), userId); 12519 if (si == null) { 12520 return null; 12521 } 12522 final ResolveInfo res = new ResolveInfo(); 12523 res.serviceInfo = si; 12524 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12525 res.filter = filter; 12526 } 12527 res.priority = info.getPriority(); 12528 res.preferredOrder = service.owner.mPreferredOrder; 12529 res.match = match; 12530 res.isDefault = info.hasDefault; 12531 res.labelRes = info.labelRes; 12532 res.nonLocalizedLabel = info.nonLocalizedLabel; 12533 res.icon = info.icon; 12534 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 12535 return res; 12536 } 12537 12538 @Override 12539 protected void sortResults(List<ResolveInfo> results) { 12540 Collections.sort(results, mResolvePrioritySorter); 12541 } 12542 12543 @Override 12544 protected void dumpFilter(PrintWriter out, String prefix, 12545 PackageParser.ServiceIntentInfo filter) { 12546 out.print(prefix); out.print( 12547 Integer.toHexString(System.identityHashCode(filter.service))); 12548 out.print(' '); 12549 filter.service.printComponentShortName(out); 12550 out.print(" filter "); 12551 out.println(Integer.toHexString(System.identityHashCode(filter))); 12552 } 12553 12554 @Override 12555 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 12556 return filter.service; 12557 } 12558 12559 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12560 PackageParser.Service service = (PackageParser.Service)label; 12561 out.print(prefix); out.print( 12562 Integer.toHexString(System.identityHashCode(service))); 12563 out.print(' '); 12564 service.printComponentShortName(out); 12565 if (count > 1) { 12566 out.print(" ("); out.print(count); out.print(" filters)"); 12567 } 12568 out.println(); 12569 } 12570 12571// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 12572// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 12573// final List<ResolveInfo> retList = Lists.newArrayList(); 12574// while (i.hasNext()) { 12575// final ResolveInfo resolveInfo = (ResolveInfo) i; 12576// if (isEnabledLP(resolveInfo.serviceInfo)) { 12577// retList.add(resolveInfo); 12578// } 12579// } 12580// return retList; 12581// } 12582 12583 // Keys are String (activity class name), values are Activity. 12584 private final ArrayMap<ComponentName, PackageParser.Service> mServices 12585 = new ArrayMap<ComponentName, PackageParser.Service>(); 12586 private int mFlags; 12587 } 12588 12589 private final class ProviderIntentResolver 12590 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 12591 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12592 boolean defaultOnly, int userId) { 12593 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12594 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12595 } 12596 12597 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12598 int userId) { 12599 if (!sUserManager.exists(userId)) 12600 return null; 12601 mFlags = flags; 12602 return super.queryIntent(intent, resolvedType, 12603 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12604 userId); 12605 } 12606 12607 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12608 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 12609 if (!sUserManager.exists(userId)) 12610 return null; 12611 if (packageProviders == null) { 12612 return null; 12613 } 12614 mFlags = flags; 12615 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12616 final int N = packageProviders.size(); 12617 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 12618 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 12619 12620 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 12621 for (int i = 0; i < N; ++i) { 12622 intentFilters = packageProviders.get(i).intents; 12623 if (intentFilters != null && intentFilters.size() > 0) { 12624 PackageParser.ProviderIntentInfo[] array = 12625 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 12626 intentFilters.toArray(array); 12627 listCut.add(array); 12628 } 12629 } 12630 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12631 } 12632 12633 public final void addProvider(PackageParser.Provider p) { 12634 if (mProviders.containsKey(p.getComponentName())) { 12635 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 12636 return; 12637 } 12638 12639 mProviders.put(p.getComponentName(), p); 12640 if (DEBUG_SHOW_INFO) { 12641 Log.v(TAG, " " 12642 + (p.info.nonLocalizedLabel != null 12643 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12644 Log.v(TAG, " Class=" + p.info.name); 12645 } 12646 final int NI = p.intents.size(); 12647 int j; 12648 for (j = 0; j < NI; j++) { 12649 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12650 if (DEBUG_SHOW_INFO) { 12651 Log.v(TAG, " IntentFilter:"); 12652 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12653 } 12654 if (!intent.debugCheck()) { 12655 Log.w(TAG, "==> For Provider " + p.info.name); 12656 } 12657 addFilter(intent); 12658 } 12659 } 12660 12661 public final void removeProvider(PackageParser.Provider p) { 12662 mProviders.remove(p.getComponentName()); 12663 if (DEBUG_SHOW_INFO) { 12664 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 12665 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12666 Log.v(TAG, " Class=" + p.info.name); 12667 } 12668 final int NI = p.intents.size(); 12669 int j; 12670 for (j = 0; j < NI; j++) { 12671 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12672 if (DEBUG_SHOW_INFO) { 12673 Log.v(TAG, " IntentFilter:"); 12674 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12675 } 12676 removeFilter(intent); 12677 } 12678 } 12679 12680 @Override 12681 protected boolean allowFilterResult( 12682 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 12683 ProviderInfo filterPi = filter.provider.info; 12684 for (int i = dest.size() - 1; i >= 0; i--) { 12685 ProviderInfo destPi = dest.get(i).providerInfo; 12686 if (destPi.name == filterPi.name 12687 && destPi.packageName == filterPi.packageName) { 12688 return false; 12689 } 12690 } 12691 return true; 12692 } 12693 12694 @Override 12695 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 12696 return new PackageParser.ProviderIntentInfo[size]; 12697 } 12698 12699 @Override 12700 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 12701 if (!sUserManager.exists(userId)) 12702 return true; 12703 PackageParser.Package p = filter.provider.owner; 12704 if (p != null) { 12705 PackageSetting ps = (PackageSetting) p.mExtras; 12706 if (ps != null) { 12707 // System apps are never considered stopped for purposes of 12708 // filtering, because there may be no way for the user to 12709 // actually re-launch them. 12710 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12711 && ps.getStopped(userId); 12712 } 12713 } 12714 return false; 12715 } 12716 12717 @Override 12718 protected boolean isPackageForFilter(String packageName, 12719 PackageParser.ProviderIntentInfo info) { 12720 return packageName.equals(info.provider.owner.packageName); 12721 } 12722 12723 @Override 12724 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 12725 int match, int userId) { 12726 if (!sUserManager.exists(userId)) 12727 return null; 12728 final PackageParser.ProviderIntentInfo info = filter; 12729 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 12730 return null; 12731 } 12732 final PackageParser.Provider provider = info.provider; 12733 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 12734 if (ps == null) { 12735 return null; 12736 } 12737 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 12738 ps.readUserState(userId), userId); 12739 if (pi == null) { 12740 return null; 12741 } 12742 final ResolveInfo res = new ResolveInfo(); 12743 res.providerInfo = pi; 12744 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 12745 res.filter = filter; 12746 } 12747 res.priority = info.getPriority(); 12748 res.preferredOrder = provider.owner.mPreferredOrder; 12749 res.match = match; 12750 res.isDefault = info.hasDefault; 12751 res.labelRes = info.labelRes; 12752 res.nonLocalizedLabel = info.nonLocalizedLabel; 12753 res.icon = info.icon; 12754 res.system = res.providerInfo.applicationInfo.isSystemApp(); 12755 return res; 12756 } 12757 12758 @Override 12759 protected void sortResults(List<ResolveInfo> results) { 12760 Collections.sort(results, mResolvePrioritySorter); 12761 } 12762 12763 @Override 12764 protected void dumpFilter(PrintWriter out, String prefix, 12765 PackageParser.ProviderIntentInfo filter) { 12766 out.print(prefix); 12767 out.print( 12768 Integer.toHexString(System.identityHashCode(filter.provider))); 12769 out.print(' '); 12770 filter.provider.printComponentShortName(out); 12771 out.print(" filter "); 12772 out.println(Integer.toHexString(System.identityHashCode(filter))); 12773 } 12774 12775 @Override 12776 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 12777 return filter.provider; 12778 } 12779 12780 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12781 PackageParser.Provider provider = (PackageParser.Provider)label; 12782 out.print(prefix); out.print( 12783 Integer.toHexString(System.identityHashCode(provider))); 12784 out.print(' '); 12785 provider.printComponentShortName(out); 12786 if (count > 1) { 12787 out.print(" ("); out.print(count); out.print(" filters)"); 12788 } 12789 out.println(); 12790 } 12791 12792 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 12793 = new ArrayMap<ComponentName, PackageParser.Provider>(); 12794 private int mFlags; 12795 } 12796 12797 static final class EphemeralIntentResolver 12798 extends IntentResolver<AuxiliaryResolveInfo, AuxiliaryResolveInfo> { 12799 /** 12800 * The result that has the highest defined order. Ordering applies on a 12801 * per-package basis. Mapping is from package name to Pair of order and 12802 * EphemeralResolveInfo. 12803 * <p> 12804 * NOTE: This is implemented as a field variable for convenience and efficiency. 12805 * By having a field variable, we're able to track filter ordering as soon as 12806 * a non-zero order is defined. Otherwise, multiple loops across the result set 12807 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 12808 * this needs to be contained entirely within {@link #filterResults()}. 12809 */ 12810 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 12811 12812 @Override 12813 protected AuxiliaryResolveInfo[] newArray(int size) { 12814 return new AuxiliaryResolveInfo[size]; 12815 } 12816 12817 @Override 12818 protected boolean isPackageForFilter(String packageName, AuxiliaryResolveInfo responseObj) { 12819 return true; 12820 } 12821 12822 @Override 12823 protected AuxiliaryResolveInfo newResult(AuxiliaryResolveInfo responseObj, int match, 12824 int userId) { 12825 if (!sUserManager.exists(userId)) { 12826 return null; 12827 } 12828 final String packageName = responseObj.resolveInfo.getPackageName(); 12829 final Integer order = responseObj.getOrder(); 12830 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 12831 mOrderResult.get(packageName); 12832 // ordering is enabled and this item's order isn't high enough 12833 if (lastOrderResult != null && lastOrderResult.first >= order) { 12834 return null; 12835 } 12836 final EphemeralResolveInfo res = responseObj.resolveInfo; 12837 if (order > 0) { 12838 // non-zero order, enable ordering 12839 mOrderResult.put(packageName, new Pair<>(order, res)); 12840 } 12841 return responseObj; 12842 } 12843 12844 @Override 12845 protected void filterResults(List<AuxiliaryResolveInfo> results) { 12846 // only do work if ordering is enabled [most of the time it won't be] 12847 if (mOrderResult.size() == 0) { 12848 return; 12849 } 12850 int resultSize = results.size(); 12851 for (int i = 0; i < resultSize; i++) { 12852 final EphemeralResolveInfo info = results.get(i).resolveInfo; 12853 final String packageName = info.getPackageName(); 12854 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 12855 if (savedInfo == null) { 12856 // package doesn't having ordering 12857 continue; 12858 } 12859 if (savedInfo.second == info) { 12860 // circled back to the highest ordered item; remove from order list 12861 mOrderResult.remove(savedInfo); 12862 if (mOrderResult.size() == 0) { 12863 // no more ordered items 12864 break; 12865 } 12866 continue; 12867 } 12868 // item has a worse order, remove it from the result list 12869 results.remove(i); 12870 resultSize--; 12871 i--; 12872 } 12873 } 12874 } 12875 12876 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 12877 new Comparator<ResolveInfo>() { 12878 public int compare(ResolveInfo r1, ResolveInfo r2) { 12879 int v1 = r1.priority; 12880 int v2 = r2.priority; 12881 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 12882 if (v1 != v2) { 12883 return (v1 > v2) ? -1 : 1; 12884 } 12885 v1 = r1.preferredOrder; 12886 v2 = r2.preferredOrder; 12887 if (v1 != v2) { 12888 return (v1 > v2) ? -1 : 1; 12889 } 12890 if (r1.isDefault != r2.isDefault) { 12891 return r1.isDefault ? -1 : 1; 12892 } 12893 v1 = r1.match; 12894 v2 = r2.match; 12895 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 12896 if (v1 != v2) { 12897 return (v1 > v2) ? -1 : 1; 12898 } 12899 if (r1.system != r2.system) { 12900 return r1.system ? -1 : 1; 12901 } 12902 if (r1.activityInfo != null) { 12903 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 12904 } 12905 if (r1.serviceInfo != null) { 12906 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 12907 } 12908 if (r1.providerInfo != null) { 12909 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 12910 } 12911 return 0; 12912 } 12913 }; 12914 12915 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 12916 new Comparator<ProviderInfo>() { 12917 public int compare(ProviderInfo p1, ProviderInfo p2) { 12918 final int v1 = p1.initOrder; 12919 final int v2 = p2.initOrder; 12920 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 12921 } 12922 }; 12923 12924 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 12925 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 12926 final int[] userIds) { 12927 mHandler.post(new Runnable() { 12928 @Override 12929 public void run() { 12930 try { 12931 final IActivityManager am = ActivityManager.getService(); 12932 if (am == null) return; 12933 final int[] resolvedUserIds; 12934 if (userIds == null) { 12935 resolvedUserIds = am.getRunningUserIds(); 12936 } else { 12937 resolvedUserIds = userIds; 12938 } 12939 for (int id : resolvedUserIds) { 12940 final Intent intent = new Intent(action, 12941 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 12942 if (extras != null) { 12943 intent.putExtras(extras); 12944 } 12945 if (targetPkg != null) { 12946 intent.setPackage(targetPkg); 12947 } 12948 // Modify the UID when posting to other users 12949 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 12950 if (uid > 0 && UserHandle.getUserId(uid) != id) { 12951 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 12952 intent.putExtra(Intent.EXTRA_UID, uid); 12953 } 12954 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 12955 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 12956 if (DEBUG_BROADCASTS) { 12957 RuntimeException here = new RuntimeException("here"); 12958 here.fillInStackTrace(); 12959 Slog.d(TAG, "Sending to user " + id + ": " 12960 + intent.toShortString(false, true, false, false) 12961 + " " + intent.getExtras(), here); 12962 } 12963 am.broadcastIntent(null, intent, null, finishedReceiver, 12964 0, null, null, null, android.app.AppOpsManager.OP_NONE, 12965 null, finishedReceiver != null, false, id); 12966 } 12967 } catch (RemoteException ex) { 12968 } 12969 } 12970 }); 12971 } 12972 12973 /** 12974 * Check if the external storage media is available. This is true if there 12975 * is a mounted external storage medium or if the external storage is 12976 * emulated. 12977 */ 12978 private boolean isExternalMediaAvailable() { 12979 return mMediaMounted || Environment.isExternalStorageEmulated(); 12980 } 12981 12982 @Override 12983 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 12984 // writer 12985 synchronized (mPackages) { 12986 if (!isExternalMediaAvailable()) { 12987 // If the external storage is no longer mounted at this point, 12988 // the caller may not have been able to delete all of this 12989 // packages files and can not delete any more. Bail. 12990 return null; 12991 } 12992 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 12993 if (lastPackage != null) { 12994 pkgs.remove(lastPackage); 12995 } 12996 if (pkgs.size() > 0) { 12997 return pkgs.get(0); 12998 } 12999 } 13000 return null; 13001 } 13002 13003 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 13004 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 13005 userId, andCode ? 1 : 0, packageName); 13006 if (mSystemReady) { 13007 msg.sendToTarget(); 13008 } else { 13009 if (mPostSystemReadyMessages == null) { 13010 mPostSystemReadyMessages = new ArrayList<>(); 13011 } 13012 mPostSystemReadyMessages.add(msg); 13013 } 13014 } 13015 13016 void startCleaningPackages() { 13017 // reader 13018 if (!isExternalMediaAvailable()) { 13019 return; 13020 } 13021 synchronized (mPackages) { 13022 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 13023 return; 13024 } 13025 } 13026 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 13027 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 13028 IActivityManager am = ActivityManager.getService(); 13029 if (am != null) { 13030 try { 13031 am.startService(null, intent, null, -1, null, mContext.getOpPackageName(), 13032 UserHandle.USER_SYSTEM); 13033 } catch (RemoteException e) { 13034 } 13035 } 13036 } 13037 13038 @Override 13039 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 13040 int installFlags, String installerPackageName, int userId) { 13041 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 13042 13043 final int callingUid = Binder.getCallingUid(); 13044 enforceCrossUserPermission(callingUid, userId, 13045 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 13046 13047 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13048 try { 13049 if (observer != null) { 13050 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 13051 } 13052 } catch (RemoteException re) { 13053 } 13054 return; 13055 } 13056 13057 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 13058 installFlags |= PackageManager.INSTALL_FROM_ADB; 13059 13060 } else { 13061 // Caller holds INSTALL_PACKAGES permission, so we're less strict 13062 // about installerPackageName. 13063 13064 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 13065 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 13066 } 13067 13068 UserHandle user; 13069 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 13070 user = UserHandle.ALL; 13071 } else { 13072 user = new UserHandle(userId); 13073 } 13074 13075 // Only system components can circumvent runtime permissions when installing. 13076 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 13077 && mContext.checkCallingOrSelfPermission(Manifest.permission 13078 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 13079 throw new SecurityException("You need the " 13080 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 13081 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 13082 } 13083 13084 if ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0 13085 || (installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13086 throw new IllegalArgumentException( 13087 "New installs into ASEC containers no longer supported"); 13088 } 13089 13090 final File originFile = new File(originPath); 13091 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 13092 13093 final Message msg = mHandler.obtainMessage(INIT_COPY); 13094 final VerificationInfo verificationInfo = new VerificationInfo( 13095 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 13096 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 13097 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 13098 null /*packageAbiOverride*/, null /*grantedPermissions*/, 13099 null /*certificates*/, PackageManager.INSTALL_REASON_UNKNOWN); 13100 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 13101 msg.obj = params; 13102 13103 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 13104 System.identityHashCode(msg.obj)); 13105 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13106 System.identityHashCode(msg.obj)); 13107 13108 mHandler.sendMessage(msg); 13109 } 13110 13111 13112 /** 13113 * Ensure that the install reason matches what we know about the package installer (e.g. whether 13114 * it is acting on behalf on an enterprise or the user). 13115 * 13116 * Note that the ordering of the conditionals in this method is important. The checks we perform 13117 * are as follows, in this order: 13118 * 13119 * 1) If the install is being performed by a system app, we can trust the app to have set the 13120 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 13121 * what it is. 13122 * 2) If the install is being performed by a device or profile owner app, the install reason 13123 * should be enterprise policy. However, we cannot be sure that the device or profile owner 13124 * set the install reason correctly. If the app targets an older SDK version where install 13125 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 13126 * unset or wrong. Thus, we force the install reason to be enterprise policy. 13127 * 3) In all other cases, the install is being performed by a regular app that is neither part 13128 * of the system nor a device or profile owner. We have no reason to believe that this app is 13129 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 13130 * set to enterprise policy and if so, change it to unknown instead. 13131 */ 13132 private int fixUpInstallReason(String installerPackageName, int installerUid, 13133 int installReason) { 13134 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 13135 == PERMISSION_GRANTED) { 13136 // If the install is being performed by a system app, we trust that app to have set the 13137 // install reason correctly. 13138 return installReason; 13139 } 13140 13141 final IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13142 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13143 if (dpm != null) { 13144 ComponentName owner = null; 13145 try { 13146 owner = dpm.getDeviceOwnerComponent(true /* callingUserOnly */); 13147 if (owner == null) { 13148 owner = dpm.getProfileOwner(UserHandle.getUserId(installerUid)); 13149 } 13150 } catch (RemoteException e) { 13151 } 13152 if (owner != null && owner.getPackageName().equals(installerPackageName)) { 13153 // If the install is being performed by a device or profile owner, the install 13154 // reason should be enterprise policy. 13155 return PackageManager.INSTALL_REASON_POLICY; 13156 } 13157 } 13158 13159 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 13160 // If the install is being performed by a regular app (i.e. neither system app nor 13161 // device or profile owner), we have no reason to believe that the app is acting on 13162 // behalf of an enterprise. If the app set the install reason to enterprise policy, 13163 // change it to unknown instead. 13164 return PackageManager.INSTALL_REASON_UNKNOWN; 13165 } 13166 13167 // If the install is being performed by a regular app and the install reason was set to any 13168 // value but enterprise policy, leave the install reason unchanged. 13169 return installReason; 13170 } 13171 13172 void installStage(String packageName, File stagedDir, String stagedCid, 13173 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 13174 String installerPackageName, int installerUid, UserHandle user, 13175 Certificate[][] certificates) { 13176 if (DEBUG_EPHEMERAL) { 13177 if ((sessionParams.installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13178 Slog.d(TAG, "Ephemeral install of " + packageName); 13179 } 13180 } 13181 final VerificationInfo verificationInfo = new VerificationInfo( 13182 sessionParams.originatingUri, sessionParams.referrerUri, 13183 sessionParams.originatingUid, installerUid); 13184 13185 final OriginInfo origin; 13186 if (stagedDir != null) { 13187 origin = OriginInfo.fromStagedFile(stagedDir); 13188 } else { 13189 origin = OriginInfo.fromStagedContainer(stagedCid); 13190 } 13191 13192 final Message msg = mHandler.obtainMessage(INIT_COPY); 13193 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 13194 sessionParams.installReason); 13195 final InstallParams params = new InstallParams(origin, null, observer, 13196 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 13197 verificationInfo, user, sessionParams.abiOverride, 13198 sessionParams.grantedRuntimePermissions, certificates, installReason); 13199 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 13200 msg.obj = params; 13201 13202 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 13203 System.identityHashCode(msg.obj)); 13204 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13205 System.identityHashCode(msg.obj)); 13206 13207 mHandler.sendMessage(msg); 13208 } 13209 13210 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 13211 int userId) { 13212 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 13213 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 13214 } 13215 13216 private void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 13217 int appId, int... userIds) { 13218 if (ArrayUtils.isEmpty(userIds)) { 13219 return; 13220 } 13221 Bundle extras = new Bundle(1); 13222 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 13223 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 13224 13225 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 13226 packageName, extras, 0, null, null, userIds); 13227 if (isSystem) { 13228 mHandler.post(() -> { 13229 for (int userId : userIds) { 13230 sendBootCompletedBroadcastToSystemApp(packageName, userId); 13231 } 13232 } 13233 ); 13234 } 13235 } 13236 13237 /** 13238 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 13239 * automatically without needing an explicit launch. 13240 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 13241 */ 13242 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 13243 // If user is not running, the app didn't miss any broadcast 13244 if (!mUserManagerInternal.isUserRunning(userId)) { 13245 return; 13246 } 13247 final IActivityManager am = ActivityManager.getService(); 13248 try { 13249 // Deliver LOCKED_BOOT_COMPLETED first 13250 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 13251 .setPackage(packageName); 13252 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 13253 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 13254 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13255 13256 // Deliver BOOT_COMPLETED only if user is unlocked 13257 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 13258 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 13259 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 13260 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13261 } 13262 } catch (RemoteException e) { 13263 throw e.rethrowFromSystemServer(); 13264 } 13265 } 13266 13267 @Override 13268 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 13269 int userId) { 13270 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13271 PackageSetting pkgSetting; 13272 final int uid = Binder.getCallingUid(); 13273 enforceCrossUserPermission(uid, userId, 13274 true /* requireFullPermission */, true /* checkShell */, 13275 "setApplicationHiddenSetting for user " + userId); 13276 13277 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 13278 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 13279 return false; 13280 } 13281 13282 long callingId = Binder.clearCallingIdentity(); 13283 try { 13284 boolean sendAdded = false; 13285 boolean sendRemoved = false; 13286 // writer 13287 synchronized (mPackages) { 13288 pkgSetting = mSettings.mPackages.get(packageName); 13289 if (pkgSetting == null) { 13290 return false; 13291 } 13292 // Do not allow "android" is being disabled 13293 if ("android".equals(packageName)) { 13294 Slog.w(TAG, "Cannot hide package: android"); 13295 return false; 13296 } 13297 // Cannot hide static shared libs as they are considered 13298 // a part of the using app (emulating static linking). Also 13299 // static libs are installed always on internal storage. 13300 PackageParser.Package pkg = mPackages.get(packageName); 13301 if (pkg != null && pkg.staticSharedLibName != null) { 13302 Slog.w(TAG, "Cannot hide package: " + packageName 13303 + " providing static shared library: " 13304 + pkg.staticSharedLibName); 13305 return false; 13306 } 13307 // Only allow protected packages to hide themselves. 13308 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 13309 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13310 Slog.w(TAG, "Not hiding protected package: " + packageName); 13311 return false; 13312 } 13313 13314 if (pkgSetting.getHidden(userId) != hidden) { 13315 pkgSetting.setHidden(hidden, userId); 13316 mSettings.writePackageRestrictionsLPr(userId); 13317 if (hidden) { 13318 sendRemoved = true; 13319 } else { 13320 sendAdded = true; 13321 } 13322 } 13323 } 13324 if (sendAdded) { 13325 sendPackageAddedForUser(packageName, pkgSetting, userId); 13326 return true; 13327 } 13328 if (sendRemoved) { 13329 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 13330 "hiding pkg"); 13331 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 13332 return true; 13333 } 13334 } finally { 13335 Binder.restoreCallingIdentity(callingId); 13336 } 13337 return false; 13338 } 13339 13340 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 13341 int userId) { 13342 final PackageRemovedInfo info = new PackageRemovedInfo(); 13343 info.removedPackage = packageName; 13344 info.removedUsers = new int[] {userId}; 13345 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 13346 info.sendPackageRemovedBroadcasts(true /*killApp*/); 13347 } 13348 13349 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 13350 if (pkgList.length > 0) { 13351 Bundle extras = new Bundle(1); 13352 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 13353 13354 sendPackageBroadcast( 13355 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 13356 : Intent.ACTION_PACKAGES_UNSUSPENDED, 13357 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 13358 new int[] {userId}); 13359 } 13360 } 13361 13362 /** 13363 * Returns true if application is not found or there was an error. Otherwise it returns 13364 * the hidden state of the package for the given user. 13365 */ 13366 @Override 13367 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 13368 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13369 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13370 true /* requireFullPermission */, false /* checkShell */, 13371 "getApplicationHidden for user " + userId); 13372 PackageSetting pkgSetting; 13373 long callingId = Binder.clearCallingIdentity(); 13374 try { 13375 // writer 13376 synchronized (mPackages) { 13377 pkgSetting = mSettings.mPackages.get(packageName); 13378 if (pkgSetting == null) { 13379 return true; 13380 } 13381 return pkgSetting.getHidden(userId); 13382 } 13383 } finally { 13384 Binder.restoreCallingIdentity(callingId); 13385 } 13386 } 13387 13388 /** 13389 * @hide 13390 */ 13391 @Override 13392 public int installExistingPackageAsUser(String packageName, int userId, int installFlags, 13393 int installReason) { 13394 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 13395 null); 13396 PackageSetting pkgSetting; 13397 final int uid = Binder.getCallingUid(); 13398 enforceCrossUserPermission(uid, userId, 13399 true /* requireFullPermission */, true /* checkShell */, 13400 "installExistingPackage for user " + userId); 13401 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13402 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 13403 } 13404 13405 long callingId = Binder.clearCallingIdentity(); 13406 try { 13407 boolean installed = false; 13408 final boolean instantApp = 13409 (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 13410 final boolean fullApp = 13411 (installFlags & PackageManager.INSTALL_FULL_APP) != 0; 13412 13413 // writer 13414 synchronized (mPackages) { 13415 pkgSetting = mSettings.mPackages.get(packageName); 13416 if (pkgSetting == null) { 13417 return PackageManager.INSTALL_FAILED_INVALID_URI; 13418 } 13419 if (!pkgSetting.getInstalled(userId)) { 13420 pkgSetting.setInstalled(true, userId); 13421 pkgSetting.setHidden(false, userId); 13422 pkgSetting.setInstallReason(installReason, userId); 13423 mSettings.writePackageRestrictionsLPr(userId); 13424 mSettings.writeKernelMappingLPr(pkgSetting); 13425 installed = true; 13426 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13427 // upgrade app from instant to full; we don't allow app downgrade 13428 installed = true; 13429 } 13430 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 13431 } 13432 13433 if (installed) { 13434 if (pkgSetting.pkg != null) { 13435 synchronized (mInstallLock) { 13436 // We don't need to freeze for a brand new install 13437 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 13438 } 13439 } 13440 sendPackageAddedForUser(packageName, pkgSetting, userId); 13441 synchronized (mPackages) { 13442 updateSequenceNumberLP(packageName, new int[]{ userId }); 13443 } 13444 } 13445 } finally { 13446 Binder.restoreCallingIdentity(callingId); 13447 } 13448 13449 return PackageManager.INSTALL_SUCCEEDED; 13450 } 13451 13452 void setInstantAppForUser(PackageSetting pkgSetting, int userId, 13453 boolean instantApp, boolean fullApp) { 13454 // no state specified; do nothing 13455 if (!instantApp && !fullApp) { 13456 return; 13457 } 13458 if (userId != UserHandle.USER_ALL) { 13459 if (instantApp && !pkgSetting.getInstantApp(userId)) { 13460 pkgSetting.setInstantApp(true /*instantApp*/, userId); 13461 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13462 pkgSetting.setInstantApp(false /*instantApp*/, userId); 13463 } 13464 } else { 13465 for (int currentUserId : sUserManager.getUserIds()) { 13466 if (instantApp && !pkgSetting.getInstantApp(currentUserId)) { 13467 pkgSetting.setInstantApp(true /*instantApp*/, currentUserId); 13468 } else if (fullApp && pkgSetting.getInstantApp(currentUserId)) { 13469 pkgSetting.setInstantApp(false /*instantApp*/, currentUserId); 13470 } 13471 } 13472 } 13473 } 13474 13475 boolean isUserRestricted(int userId, String restrictionKey) { 13476 Bundle restrictions = sUserManager.getUserRestrictions(userId); 13477 if (restrictions.getBoolean(restrictionKey, false)) { 13478 Log.w(TAG, "User is restricted: " + restrictionKey); 13479 return true; 13480 } 13481 return false; 13482 } 13483 13484 @Override 13485 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 13486 int userId) { 13487 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13488 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13489 true /* requireFullPermission */, true /* checkShell */, 13490 "setPackagesSuspended for user " + userId); 13491 13492 if (ArrayUtils.isEmpty(packageNames)) { 13493 return packageNames; 13494 } 13495 13496 // List of package names for whom the suspended state has changed. 13497 List<String> changedPackages = new ArrayList<>(packageNames.length); 13498 // List of package names for whom the suspended state is not set as requested in this 13499 // method. 13500 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 13501 long callingId = Binder.clearCallingIdentity(); 13502 try { 13503 for (int i = 0; i < packageNames.length; i++) { 13504 String packageName = packageNames[i]; 13505 boolean changed = false; 13506 final int appId; 13507 synchronized (mPackages) { 13508 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13509 if (pkgSetting == null) { 13510 Slog.w(TAG, "Could not find package setting for package \"" + packageName 13511 + "\". Skipping suspending/un-suspending."); 13512 unactionedPackages.add(packageName); 13513 continue; 13514 } 13515 appId = pkgSetting.appId; 13516 if (pkgSetting.getSuspended(userId) != suspended) { 13517 if (!canSuspendPackageForUserLocked(packageName, userId)) { 13518 unactionedPackages.add(packageName); 13519 continue; 13520 } 13521 pkgSetting.setSuspended(suspended, userId); 13522 mSettings.writePackageRestrictionsLPr(userId); 13523 changed = true; 13524 changedPackages.add(packageName); 13525 } 13526 } 13527 13528 if (changed && suspended) { 13529 killApplication(packageName, UserHandle.getUid(userId, appId), 13530 "suspending package"); 13531 } 13532 } 13533 } finally { 13534 Binder.restoreCallingIdentity(callingId); 13535 } 13536 13537 if (!changedPackages.isEmpty()) { 13538 sendPackagesSuspendedForUser(changedPackages.toArray( 13539 new String[changedPackages.size()]), userId, suspended); 13540 } 13541 13542 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 13543 } 13544 13545 @Override 13546 public boolean isPackageSuspendedForUser(String packageName, int userId) { 13547 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13548 true /* requireFullPermission */, false /* checkShell */, 13549 "isPackageSuspendedForUser for user " + userId); 13550 synchronized (mPackages) { 13551 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13552 if (pkgSetting == null) { 13553 throw new IllegalArgumentException("Unknown target package: " + packageName); 13554 } 13555 return pkgSetting.getSuspended(userId); 13556 } 13557 } 13558 13559 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 13560 if (isPackageDeviceAdmin(packageName, userId)) { 13561 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13562 + "\": has an active device admin"); 13563 return false; 13564 } 13565 13566 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 13567 if (packageName.equals(activeLauncherPackageName)) { 13568 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13569 + "\": contains the active launcher"); 13570 return false; 13571 } 13572 13573 if (packageName.equals(mRequiredInstallerPackage)) { 13574 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13575 + "\": required for package installation"); 13576 return false; 13577 } 13578 13579 if (packageName.equals(mRequiredUninstallerPackage)) { 13580 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13581 + "\": required for package uninstallation"); 13582 return false; 13583 } 13584 13585 if (packageName.equals(mRequiredVerifierPackage)) { 13586 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13587 + "\": required for package verification"); 13588 return false; 13589 } 13590 13591 if (packageName.equals(getDefaultDialerPackageName(userId))) { 13592 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13593 + "\": is the default dialer"); 13594 return false; 13595 } 13596 13597 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13598 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13599 + "\": protected package"); 13600 return false; 13601 } 13602 13603 // Cannot suspend static shared libs as they are considered 13604 // a part of the using app (emulating static linking). Also 13605 // static libs are installed always on internal storage. 13606 PackageParser.Package pkg = mPackages.get(packageName); 13607 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 13608 Slog.w(TAG, "Cannot suspend package: " + packageName 13609 + " providing static shared library: " 13610 + pkg.staticSharedLibName); 13611 return false; 13612 } 13613 13614 return true; 13615 } 13616 13617 private String getActiveLauncherPackageName(int userId) { 13618 Intent intent = new Intent(Intent.ACTION_MAIN); 13619 intent.addCategory(Intent.CATEGORY_HOME); 13620 ResolveInfo resolveInfo = resolveIntent( 13621 intent, 13622 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 13623 PackageManager.MATCH_DEFAULT_ONLY, 13624 userId); 13625 13626 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 13627 } 13628 13629 private String getDefaultDialerPackageName(int userId) { 13630 synchronized (mPackages) { 13631 return mSettings.getDefaultDialerPackageNameLPw(userId); 13632 } 13633 } 13634 13635 @Override 13636 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 13637 mContext.enforceCallingOrSelfPermission( 13638 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13639 "Only package verification agents can verify applications"); 13640 13641 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13642 final PackageVerificationResponse response = new PackageVerificationResponse( 13643 verificationCode, Binder.getCallingUid()); 13644 msg.arg1 = id; 13645 msg.obj = response; 13646 mHandler.sendMessage(msg); 13647 } 13648 13649 @Override 13650 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 13651 long millisecondsToDelay) { 13652 mContext.enforceCallingOrSelfPermission( 13653 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13654 "Only package verification agents can extend verification timeouts"); 13655 13656 final PackageVerificationState state = mPendingVerification.get(id); 13657 final PackageVerificationResponse response = new PackageVerificationResponse( 13658 verificationCodeAtTimeout, Binder.getCallingUid()); 13659 13660 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 13661 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 13662 } 13663 if (millisecondsToDelay < 0) { 13664 millisecondsToDelay = 0; 13665 } 13666 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 13667 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 13668 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 13669 } 13670 13671 if ((state != null) && !state.timeoutExtended()) { 13672 state.extendTimeout(); 13673 13674 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13675 msg.arg1 = id; 13676 msg.obj = response; 13677 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 13678 } 13679 } 13680 13681 private void broadcastPackageVerified(int verificationId, Uri packageUri, 13682 int verificationCode, UserHandle user) { 13683 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 13684 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 13685 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13686 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13687 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 13688 13689 mContext.sendBroadcastAsUser(intent, user, 13690 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 13691 } 13692 13693 private ComponentName matchComponentForVerifier(String packageName, 13694 List<ResolveInfo> receivers) { 13695 ActivityInfo targetReceiver = null; 13696 13697 final int NR = receivers.size(); 13698 for (int i = 0; i < NR; i++) { 13699 final ResolveInfo info = receivers.get(i); 13700 if (info.activityInfo == null) { 13701 continue; 13702 } 13703 13704 if (packageName.equals(info.activityInfo.packageName)) { 13705 targetReceiver = info.activityInfo; 13706 break; 13707 } 13708 } 13709 13710 if (targetReceiver == null) { 13711 return null; 13712 } 13713 13714 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 13715 } 13716 13717 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 13718 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 13719 if (pkgInfo.verifiers.length == 0) { 13720 return null; 13721 } 13722 13723 final int N = pkgInfo.verifiers.length; 13724 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 13725 for (int i = 0; i < N; i++) { 13726 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 13727 13728 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 13729 receivers); 13730 if (comp == null) { 13731 continue; 13732 } 13733 13734 final int verifierUid = getUidForVerifier(verifierInfo); 13735 if (verifierUid == -1) { 13736 continue; 13737 } 13738 13739 if (DEBUG_VERIFY) { 13740 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 13741 + " with the correct signature"); 13742 } 13743 sufficientVerifiers.add(comp); 13744 verificationState.addSufficientVerifier(verifierUid); 13745 } 13746 13747 return sufficientVerifiers; 13748 } 13749 13750 private int getUidForVerifier(VerifierInfo verifierInfo) { 13751 synchronized (mPackages) { 13752 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 13753 if (pkg == null) { 13754 return -1; 13755 } else if (pkg.mSignatures.length != 1) { 13756 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13757 + " has more than one signature; ignoring"); 13758 return -1; 13759 } 13760 13761 /* 13762 * If the public key of the package's signature does not match 13763 * our expected public key, then this is a different package and 13764 * we should skip. 13765 */ 13766 13767 final byte[] expectedPublicKey; 13768 try { 13769 final Signature verifierSig = pkg.mSignatures[0]; 13770 final PublicKey publicKey = verifierSig.getPublicKey(); 13771 expectedPublicKey = publicKey.getEncoded(); 13772 } catch (CertificateException e) { 13773 return -1; 13774 } 13775 13776 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 13777 13778 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 13779 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13780 + " does not have the expected public key; ignoring"); 13781 return -1; 13782 } 13783 13784 return pkg.applicationInfo.uid; 13785 } 13786 } 13787 13788 @Override 13789 public void finishPackageInstall(int token, boolean didLaunch) { 13790 enforceSystemOrRoot("Only the system is allowed to finish installs"); 13791 13792 if (DEBUG_INSTALL) { 13793 Slog.v(TAG, "BM finishing package install for " + token); 13794 } 13795 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13796 13797 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 13798 mHandler.sendMessage(msg); 13799 } 13800 13801 /** 13802 * Get the verification agent timeout. 13803 * 13804 * @return verification timeout in milliseconds 13805 */ 13806 private long getVerificationTimeout() { 13807 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 13808 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 13809 DEFAULT_VERIFICATION_TIMEOUT); 13810 } 13811 13812 /** 13813 * Get the default verification agent response code. 13814 * 13815 * @return default verification response code 13816 */ 13817 private int getDefaultVerificationResponse() { 13818 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13819 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 13820 DEFAULT_VERIFICATION_RESPONSE); 13821 } 13822 13823 /** 13824 * Check whether or not package verification has been enabled. 13825 * 13826 * @return true if verification should be performed 13827 */ 13828 private boolean isVerificationEnabled(int userId, int installFlags) { 13829 if (!DEFAULT_VERIFY_ENABLE) { 13830 return false; 13831 } 13832 // Ephemeral apps don't get the full verification treatment 13833 if ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13834 if (DEBUG_EPHEMERAL) { 13835 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 13836 } 13837 return false; 13838 } 13839 13840 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 13841 13842 // Check if installing from ADB 13843 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 13844 // Do not run verification in a test harness environment 13845 if (ActivityManager.isRunningInTestHarness()) { 13846 return false; 13847 } 13848 if (ensureVerifyAppsEnabled) { 13849 return true; 13850 } 13851 // Check if the developer does not want package verification for ADB installs 13852 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13853 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 13854 return false; 13855 } 13856 } 13857 13858 if (ensureVerifyAppsEnabled) { 13859 return true; 13860 } 13861 13862 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13863 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 13864 } 13865 13866 @Override 13867 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 13868 throws RemoteException { 13869 mContext.enforceCallingOrSelfPermission( 13870 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 13871 "Only intentfilter verification agents can verify applications"); 13872 13873 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 13874 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 13875 Binder.getCallingUid(), verificationCode, failedDomains); 13876 msg.arg1 = id; 13877 msg.obj = response; 13878 mHandler.sendMessage(msg); 13879 } 13880 13881 @Override 13882 public int getIntentVerificationStatus(String packageName, int userId) { 13883 synchronized (mPackages) { 13884 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 13885 } 13886 } 13887 13888 @Override 13889 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 13890 mContext.enforceCallingOrSelfPermission( 13891 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13892 13893 boolean result = false; 13894 synchronized (mPackages) { 13895 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 13896 } 13897 if (result) { 13898 scheduleWritePackageRestrictionsLocked(userId); 13899 } 13900 return result; 13901 } 13902 13903 @Override 13904 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 13905 String packageName) { 13906 synchronized (mPackages) { 13907 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 13908 } 13909 } 13910 13911 @Override 13912 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 13913 if (TextUtils.isEmpty(packageName)) { 13914 return ParceledListSlice.emptyList(); 13915 } 13916 synchronized (mPackages) { 13917 PackageParser.Package pkg = mPackages.get(packageName); 13918 if (pkg == null || pkg.activities == null) { 13919 return ParceledListSlice.emptyList(); 13920 } 13921 final int count = pkg.activities.size(); 13922 ArrayList<IntentFilter> result = new ArrayList<>(); 13923 for (int n=0; n<count; n++) { 13924 PackageParser.Activity activity = pkg.activities.get(n); 13925 if (activity.intents != null && activity.intents.size() > 0) { 13926 result.addAll(activity.intents); 13927 } 13928 } 13929 return new ParceledListSlice<>(result); 13930 } 13931 } 13932 13933 @Override 13934 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 13935 mContext.enforceCallingOrSelfPermission( 13936 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13937 13938 synchronized (mPackages) { 13939 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 13940 if (packageName != null) { 13941 result |= updateIntentVerificationStatus(packageName, 13942 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 13943 userId); 13944 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 13945 packageName, userId); 13946 } 13947 return result; 13948 } 13949 } 13950 13951 @Override 13952 public String getDefaultBrowserPackageName(int userId) { 13953 synchronized (mPackages) { 13954 return mSettings.getDefaultBrowserPackageNameLPw(userId); 13955 } 13956 } 13957 13958 /** 13959 * Get the "allow unknown sources" setting. 13960 * 13961 * @return the current "allow unknown sources" setting 13962 */ 13963 private int getUnknownSourcesSettings() { 13964 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 13965 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 13966 -1); 13967 } 13968 13969 @Override 13970 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 13971 final int uid = Binder.getCallingUid(); 13972 // writer 13973 synchronized (mPackages) { 13974 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 13975 if (targetPackageSetting == null) { 13976 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 13977 } 13978 13979 PackageSetting installerPackageSetting; 13980 if (installerPackageName != null) { 13981 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 13982 if (installerPackageSetting == null) { 13983 throw new IllegalArgumentException("Unknown installer package: " 13984 + installerPackageName); 13985 } 13986 } else { 13987 installerPackageSetting = null; 13988 } 13989 13990 Signature[] callerSignature; 13991 Object obj = mSettings.getUserIdLPr(uid); 13992 if (obj != null) { 13993 if (obj instanceof SharedUserSetting) { 13994 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 13995 } else if (obj instanceof PackageSetting) { 13996 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 13997 } else { 13998 throw new SecurityException("Bad object " + obj + " for uid " + uid); 13999 } 14000 } else { 14001 throw new SecurityException("Unknown calling UID: " + uid); 14002 } 14003 14004 // Verify: can't set installerPackageName to a package that is 14005 // not signed with the same cert as the caller. 14006 if (installerPackageSetting != null) { 14007 if (compareSignatures(callerSignature, 14008 installerPackageSetting.signatures.mSignatures) 14009 != PackageManager.SIGNATURE_MATCH) { 14010 throw new SecurityException( 14011 "Caller does not have same cert as new installer package " 14012 + installerPackageName); 14013 } 14014 } 14015 14016 // Verify: if target already has an installer package, it must 14017 // be signed with the same cert as the caller. 14018 if (targetPackageSetting.installerPackageName != null) { 14019 PackageSetting setting = mSettings.mPackages.get( 14020 targetPackageSetting.installerPackageName); 14021 // If the currently set package isn't valid, then it's always 14022 // okay to change it. 14023 if (setting != null) { 14024 if (compareSignatures(callerSignature, 14025 setting.signatures.mSignatures) 14026 != PackageManager.SIGNATURE_MATCH) { 14027 throw new SecurityException( 14028 "Caller does not have same cert as old installer package " 14029 + targetPackageSetting.installerPackageName); 14030 } 14031 } 14032 } 14033 14034 // Okay! 14035 targetPackageSetting.installerPackageName = installerPackageName; 14036 if (installerPackageName != null) { 14037 mSettings.mInstallerPackages.add(installerPackageName); 14038 } 14039 scheduleWriteSettingsLocked(); 14040 } 14041 } 14042 14043 @Override 14044 public void setApplicationCategoryHint(String packageName, int categoryHint, 14045 String callerPackageName) { 14046 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 14047 callerPackageName); 14048 synchronized (mPackages) { 14049 PackageSetting ps = mSettings.mPackages.get(packageName); 14050 if (ps == null) { 14051 throw new IllegalArgumentException("Unknown target package " + packageName); 14052 } 14053 14054 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 14055 throw new IllegalArgumentException("Calling package " + callerPackageName 14056 + " is not installer for " + packageName); 14057 } 14058 14059 if (ps.categoryHint != categoryHint) { 14060 ps.categoryHint = categoryHint; 14061 scheduleWriteSettingsLocked(); 14062 } 14063 } 14064 } 14065 14066 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 14067 // Queue up an async operation since the package installation may take a little while. 14068 mHandler.post(new Runnable() { 14069 public void run() { 14070 mHandler.removeCallbacks(this); 14071 // Result object to be returned 14072 PackageInstalledInfo res = new PackageInstalledInfo(); 14073 res.setReturnCode(currentStatus); 14074 res.uid = -1; 14075 res.pkg = null; 14076 res.removedInfo = null; 14077 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14078 args.doPreInstall(res.returnCode); 14079 synchronized (mInstallLock) { 14080 installPackageTracedLI(args, res); 14081 } 14082 args.doPostInstall(res.returnCode, res.uid); 14083 } 14084 14085 // A restore should be performed at this point if (a) the install 14086 // succeeded, (b) the operation is not an update, and (c) the new 14087 // package has not opted out of backup participation. 14088 final boolean update = res.removedInfo != null 14089 && res.removedInfo.removedPackage != null; 14090 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 14091 boolean doRestore = !update 14092 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 14093 14094 // Set up the post-install work request bookkeeping. This will be used 14095 // and cleaned up by the post-install event handling regardless of whether 14096 // there's a restore pass performed. Token values are >= 1. 14097 int token; 14098 if (mNextInstallToken < 0) mNextInstallToken = 1; 14099 token = mNextInstallToken++; 14100 14101 PostInstallData data = new PostInstallData(args, res); 14102 mRunningInstalls.put(token, data); 14103 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 14104 14105 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 14106 // Pass responsibility to the Backup Manager. It will perform a 14107 // restore if appropriate, then pass responsibility back to the 14108 // Package Manager to run the post-install observer callbacks 14109 // and broadcasts. 14110 IBackupManager bm = IBackupManager.Stub.asInterface( 14111 ServiceManager.getService(Context.BACKUP_SERVICE)); 14112 if (bm != null) { 14113 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 14114 + " to BM for possible restore"); 14115 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 14116 try { 14117 // TODO: http://b/22388012 14118 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 14119 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 14120 } else { 14121 doRestore = false; 14122 } 14123 } catch (RemoteException e) { 14124 // can't happen; the backup manager is local 14125 } catch (Exception e) { 14126 Slog.e(TAG, "Exception trying to enqueue restore", e); 14127 doRestore = false; 14128 } 14129 } else { 14130 Slog.e(TAG, "Backup Manager not found!"); 14131 doRestore = false; 14132 } 14133 } 14134 14135 if (!doRestore) { 14136 // No restore possible, or the Backup Manager was mysteriously not 14137 // available -- just fire the post-install work request directly. 14138 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 14139 14140 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 14141 14142 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 14143 mHandler.sendMessage(msg); 14144 } 14145 } 14146 }); 14147 } 14148 14149 /** 14150 * Callback from PackageSettings whenever an app is first transitioned out of the 14151 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 14152 * the app was "launched" for a restoreAtInstall operation. Therefore we check 14153 * here whether the app is the target of an ongoing install, and only send the 14154 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 14155 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 14156 * handling. 14157 */ 14158 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 14159 // Serialize this with the rest of the install-process message chain. In the 14160 // restore-at-install case, this Runnable will necessarily run before the 14161 // POST_INSTALL message is processed, so the contents of mRunningInstalls 14162 // are coherent. In the non-restore case, the app has already completed install 14163 // and been launched through some other means, so it is not in a problematic 14164 // state for observers to see the FIRST_LAUNCH signal. 14165 mHandler.post(new Runnable() { 14166 @Override 14167 public void run() { 14168 for (int i = 0; i < mRunningInstalls.size(); i++) { 14169 final PostInstallData data = mRunningInstalls.valueAt(i); 14170 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14171 continue; 14172 } 14173 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 14174 // right package; but is it for the right user? 14175 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 14176 if (userId == data.res.newUsers[uIndex]) { 14177 if (DEBUG_BACKUP) { 14178 Slog.i(TAG, "Package " + pkgName 14179 + " being restored so deferring FIRST_LAUNCH"); 14180 } 14181 return; 14182 } 14183 } 14184 } 14185 } 14186 // didn't find it, so not being restored 14187 if (DEBUG_BACKUP) { 14188 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 14189 } 14190 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 14191 } 14192 }); 14193 } 14194 14195 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 14196 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 14197 installerPkg, null, userIds); 14198 } 14199 14200 private abstract class HandlerParams { 14201 private static final int MAX_RETRIES = 4; 14202 14203 /** 14204 * Number of times startCopy() has been attempted and had a non-fatal 14205 * error. 14206 */ 14207 private int mRetries = 0; 14208 14209 /** User handle for the user requesting the information or installation. */ 14210 private final UserHandle mUser; 14211 String traceMethod; 14212 int traceCookie; 14213 14214 HandlerParams(UserHandle user) { 14215 mUser = user; 14216 } 14217 14218 UserHandle getUser() { 14219 return mUser; 14220 } 14221 14222 HandlerParams setTraceMethod(String traceMethod) { 14223 this.traceMethod = traceMethod; 14224 return this; 14225 } 14226 14227 HandlerParams setTraceCookie(int traceCookie) { 14228 this.traceCookie = traceCookie; 14229 return this; 14230 } 14231 14232 final boolean startCopy() { 14233 boolean res; 14234 try { 14235 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 14236 14237 if (++mRetries > MAX_RETRIES) { 14238 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 14239 mHandler.sendEmptyMessage(MCS_GIVE_UP); 14240 handleServiceError(); 14241 return false; 14242 } else { 14243 handleStartCopy(); 14244 res = true; 14245 } 14246 } catch (RemoteException e) { 14247 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 14248 mHandler.sendEmptyMessage(MCS_RECONNECT); 14249 res = false; 14250 } 14251 handleReturnCode(); 14252 return res; 14253 } 14254 14255 final void serviceError() { 14256 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 14257 handleServiceError(); 14258 handleReturnCode(); 14259 } 14260 14261 abstract void handleStartCopy() throws RemoteException; 14262 abstract void handleServiceError(); 14263 abstract void handleReturnCode(); 14264 } 14265 14266 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 14267 for (File path : paths) { 14268 try { 14269 mcs.clearDirectory(path.getAbsolutePath()); 14270 } catch (RemoteException e) { 14271 } 14272 } 14273 } 14274 14275 static class OriginInfo { 14276 /** 14277 * Location where install is coming from, before it has been 14278 * copied/renamed into place. This could be a single monolithic APK 14279 * file, or a cluster directory. This location may be untrusted. 14280 */ 14281 final File file; 14282 final String cid; 14283 14284 /** 14285 * Flag indicating that {@link #file} or {@link #cid} has already been 14286 * staged, meaning downstream users don't need to defensively copy the 14287 * contents. 14288 */ 14289 final boolean staged; 14290 14291 /** 14292 * Flag indicating that {@link #file} or {@link #cid} is an already 14293 * installed app that is being moved. 14294 */ 14295 final boolean existing; 14296 14297 final String resolvedPath; 14298 final File resolvedFile; 14299 14300 static OriginInfo fromNothing() { 14301 return new OriginInfo(null, null, false, false); 14302 } 14303 14304 static OriginInfo fromUntrustedFile(File file) { 14305 return new OriginInfo(file, null, false, false); 14306 } 14307 14308 static OriginInfo fromExistingFile(File file) { 14309 return new OriginInfo(file, null, false, true); 14310 } 14311 14312 static OriginInfo fromStagedFile(File file) { 14313 return new OriginInfo(file, null, true, false); 14314 } 14315 14316 static OriginInfo fromStagedContainer(String cid) { 14317 return new OriginInfo(null, cid, true, false); 14318 } 14319 14320 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 14321 this.file = file; 14322 this.cid = cid; 14323 this.staged = staged; 14324 this.existing = existing; 14325 14326 if (cid != null) { 14327 resolvedPath = PackageHelper.getSdDir(cid); 14328 resolvedFile = new File(resolvedPath); 14329 } else if (file != null) { 14330 resolvedPath = file.getAbsolutePath(); 14331 resolvedFile = file; 14332 } else { 14333 resolvedPath = null; 14334 resolvedFile = null; 14335 } 14336 } 14337 } 14338 14339 static class MoveInfo { 14340 final int moveId; 14341 final String fromUuid; 14342 final String toUuid; 14343 final String packageName; 14344 final String dataAppName; 14345 final int appId; 14346 final String seinfo; 14347 final int targetSdkVersion; 14348 14349 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 14350 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 14351 this.moveId = moveId; 14352 this.fromUuid = fromUuid; 14353 this.toUuid = toUuid; 14354 this.packageName = packageName; 14355 this.dataAppName = dataAppName; 14356 this.appId = appId; 14357 this.seinfo = seinfo; 14358 this.targetSdkVersion = targetSdkVersion; 14359 } 14360 } 14361 14362 static class VerificationInfo { 14363 /** A constant used to indicate that a uid value is not present. */ 14364 public static final int NO_UID = -1; 14365 14366 /** URI referencing where the package was downloaded from. */ 14367 final Uri originatingUri; 14368 14369 /** HTTP referrer URI associated with the originatingURI. */ 14370 final Uri referrer; 14371 14372 /** UID of the application that the install request originated from. */ 14373 final int originatingUid; 14374 14375 /** UID of application requesting the install */ 14376 final int installerUid; 14377 14378 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 14379 this.originatingUri = originatingUri; 14380 this.referrer = referrer; 14381 this.originatingUid = originatingUid; 14382 this.installerUid = installerUid; 14383 } 14384 } 14385 14386 class InstallParams extends HandlerParams { 14387 final OriginInfo origin; 14388 final MoveInfo move; 14389 final IPackageInstallObserver2 observer; 14390 int installFlags; 14391 final String installerPackageName; 14392 final String volumeUuid; 14393 private InstallArgs mArgs; 14394 private int mRet; 14395 final String packageAbiOverride; 14396 final String[] grantedRuntimePermissions; 14397 final VerificationInfo verificationInfo; 14398 final Certificate[][] certificates; 14399 final int installReason; 14400 14401 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14402 int installFlags, String installerPackageName, String volumeUuid, 14403 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 14404 String[] grantedPermissions, Certificate[][] certificates, int installReason) { 14405 super(user); 14406 this.origin = origin; 14407 this.move = move; 14408 this.observer = observer; 14409 this.installFlags = installFlags; 14410 this.installerPackageName = installerPackageName; 14411 this.volumeUuid = volumeUuid; 14412 this.verificationInfo = verificationInfo; 14413 this.packageAbiOverride = packageAbiOverride; 14414 this.grantedRuntimePermissions = grantedPermissions; 14415 this.certificates = certificates; 14416 this.installReason = installReason; 14417 } 14418 14419 @Override 14420 public String toString() { 14421 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 14422 + " file=" + origin.file + " cid=" + origin.cid + "}"; 14423 } 14424 14425 private int installLocationPolicy(PackageInfoLite pkgLite) { 14426 String packageName = pkgLite.packageName; 14427 int installLocation = pkgLite.installLocation; 14428 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14429 // reader 14430 synchronized (mPackages) { 14431 // Currently installed package which the new package is attempting to replace or 14432 // null if no such package is installed. 14433 PackageParser.Package installedPkg = mPackages.get(packageName); 14434 // Package which currently owns the data which the new package will own if installed. 14435 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 14436 // will be null whereas dataOwnerPkg will contain information about the package 14437 // which was uninstalled while keeping its data. 14438 PackageParser.Package dataOwnerPkg = installedPkg; 14439 if (dataOwnerPkg == null) { 14440 PackageSetting ps = mSettings.mPackages.get(packageName); 14441 if (ps != null) { 14442 dataOwnerPkg = ps.pkg; 14443 } 14444 } 14445 14446 if (dataOwnerPkg != null) { 14447 // If installed, the package will get access to data left on the device by its 14448 // predecessor. As a security measure, this is permited only if this is not a 14449 // version downgrade or if the predecessor package is marked as debuggable and 14450 // a downgrade is explicitly requested. 14451 // 14452 // On debuggable platform builds, downgrades are permitted even for 14453 // non-debuggable packages to make testing easier. Debuggable platform builds do 14454 // not offer security guarantees and thus it's OK to disable some security 14455 // mechanisms to make debugging/testing easier on those builds. However, even on 14456 // debuggable builds downgrades of packages are permitted only if requested via 14457 // installFlags. This is because we aim to keep the behavior of debuggable 14458 // platform builds as close as possible to the behavior of non-debuggable 14459 // platform builds. 14460 final boolean downgradeRequested = 14461 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 14462 final boolean packageDebuggable = 14463 (dataOwnerPkg.applicationInfo.flags 14464 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 14465 final boolean downgradePermitted = 14466 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 14467 if (!downgradePermitted) { 14468 try { 14469 checkDowngrade(dataOwnerPkg, pkgLite); 14470 } catch (PackageManagerException e) { 14471 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 14472 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 14473 } 14474 } 14475 } 14476 14477 if (installedPkg != null) { 14478 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14479 // Check for updated system application. 14480 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 14481 if (onSd) { 14482 Slog.w(TAG, "Cannot install update to system app on sdcard"); 14483 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 14484 } 14485 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14486 } else { 14487 if (onSd) { 14488 // Install flag overrides everything. 14489 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14490 } 14491 // If current upgrade specifies particular preference 14492 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 14493 // Application explicitly specified internal. 14494 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14495 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 14496 // App explictly prefers external. Let policy decide 14497 } else { 14498 // Prefer previous location 14499 if (isExternal(installedPkg)) { 14500 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14501 } 14502 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14503 } 14504 } 14505 } else { 14506 // Invalid install. Return error code 14507 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 14508 } 14509 } 14510 } 14511 // All the special cases have been taken care of. 14512 // Return result based on recommended install location. 14513 if (onSd) { 14514 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14515 } 14516 return pkgLite.recommendedInstallLocation; 14517 } 14518 14519 /* 14520 * Invoke remote method to get package information and install 14521 * location values. Override install location based on default 14522 * policy if needed and then create install arguments based 14523 * on the install location. 14524 */ 14525 public void handleStartCopy() throws RemoteException { 14526 int ret = PackageManager.INSTALL_SUCCEEDED; 14527 14528 // If we're already staged, we've firmly committed to an install location 14529 if (origin.staged) { 14530 if (origin.file != null) { 14531 installFlags |= PackageManager.INSTALL_INTERNAL; 14532 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14533 } else if (origin.cid != null) { 14534 installFlags |= PackageManager.INSTALL_EXTERNAL; 14535 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14536 } else { 14537 throw new IllegalStateException("Invalid stage location"); 14538 } 14539 } 14540 14541 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14542 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 14543 final boolean ephemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14544 PackageInfoLite pkgLite = null; 14545 14546 if (onInt && onSd) { 14547 // Check if both bits are set. 14548 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 14549 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14550 } else if (onSd && ephemeral) { 14551 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 14552 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14553 } else { 14554 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 14555 packageAbiOverride); 14556 14557 if (DEBUG_EPHEMERAL && ephemeral) { 14558 Slog.v(TAG, "pkgLite for install: " + pkgLite); 14559 } 14560 14561 /* 14562 * If we have too little free space, try to free cache 14563 * before giving up. 14564 */ 14565 if (!origin.staged && pkgLite.recommendedInstallLocation 14566 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14567 // TODO: focus freeing disk space on the target device 14568 final StorageManager storage = StorageManager.from(mContext); 14569 final long lowThreshold = storage.getStorageLowBytes( 14570 Environment.getDataDirectory()); 14571 14572 final long sizeBytes = mContainerService.calculateInstalledSize( 14573 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 14574 14575 try { 14576 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0); 14577 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 14578 installFlags, packageAbiOverride); 14579 } catch (InstallerException e) { 14580 Slog.w(TAG, "Failed to free cache", e); 14581 } 14582 14583 /* 14584 * The cache free must have deleted the file we 14585 * downloaded to install. 14586 * 14587 * TODO: fix the "freeCache" call to not delete 14588 * the file we care about. 14589 */ 14590 if (pkgLite.recommendedInstallLocation 14591 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14592 pkgLite.recommendedInstallLocation 14593 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 14594 } 14595 } 14596 } 14597 14598 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14599 int loc = pkgLite.recommendedInstallLocation; 14600 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 14601 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14602 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 14603 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 14604 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14605 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14606 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 14607 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 14608 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14609 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 14610 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 14611 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 14612 } else { 14613 // Override with defaults if needed. 14614 loc = installLocationPolicy(pkgLite); 14615 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 14616 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 14617 } else if (!onSd && !onInt) { 14618 // Override install location with flags 14619 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 14620 // Set the flag to install on external media. 14621 installFlags |= PackageManager.INSTALL_EXTERNAL; 14622 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14623 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 14624 if (DEBUG_EPHEMERAL) { 14625 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 14626 } 14627 installFlags |= PackageManager.INSTALL_INSTANT_APP; 14628 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 14629 |PackageManager.INSTALL_INTERNAL); 14630 } else { 14631 // Make sure the flag for installing on external 14632 // media is unset 14633 installFlags |= PackageManager.INSTALL_INTERNAL; 14634 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14635 } 14636 } 14637 } 14638 } 14639 14640 final InstallArgs args = createInstallArgs(this); 14641 mArgs = args; 14642 14643 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14644 // TODO: http://b/22976637 14645 // Apps installed for "all" users use the device owner to verify the app 14646 UserHandle verifierUser = getUser(); 14647 if (verifierUser == UserHandle.ALL) { 14648 verifierUser = UserHandle.SYSTEM; 14649 } 14650 14651 /* 14652 * Determine if we have any installed package verifiers. If we 14653 * do, then we'll defer to them to verify the packages. 14654 */ 14655 final int requiredUid = mRequiredVerifierPackage == null ? -1 14656 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 14657 verifierUser.getIdentifier()); 14658 if (!origin.existing && requiredUid != -1 14659 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 14660 final Intent verification = new Intent( 14661 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 14662 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 14663 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 14664 PACKAGE_MIME_TYPE); 14665 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14666 14667 // Query all live verifiers based on current user state 14668 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 14669 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 14670 14671 if (DEBUG_VERIFY) { 14672 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 14673 + verification.toString() + " with " + pkgLite.verifiers.length 14674 + " optional verifiers"); 14675 } 14676 14677 final int verificationId = mPendingVerificationToken++; 14678 14679 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14680 14681 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 14682 installerPackageName); 14683 14684 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 14685 installFlags); 14686 14687 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 14688 pkgLite.packageName); 14689 14690 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 14691 pkgLite.versionCode); 14692 14693 if (verificationInfo != null) { 14694 if (verificationInfo.originatingUri != null) { 14695 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 14696 verificationInfo.originatingUri); 14697 } 14698 if (verificationInfo.referrer != null) { 14699 verification.putExtra(Intent.EXTRA_REFERRER, 14700 verificationInfo.referrer); 14701 } 14702 if (verificationInfo.originatingUid >= 0) { 14703 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 14704 verificationInfo.originatingUid); 14705 } 14706 if (verificationInfo.installerUid >= 0) { 14707 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 14708 verificationInfo.installerUid); 14709 } 14710 } 14711 14712 final PackageVerificationState verificationState = new PackageVerificationState( 14713 requiredUid, args); 14714 14715 mPendingVerification.append(verificationId, verificationState); 14716 14717 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 14718 receivers, verificationState); 14719 14720 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 14721 final long idleDuration = getVerificationTimeout(); 14722 14723 /* 14724 * If any sufficient verifiers were listed in the package 14725 * manifest, attempt to ask them. 14726 */ 14727 if (sufficientVerifiers != null) { 14728 final int N = sufficientVerifiers.size(); 14729 if (N == 0) { 14730 Slog.i(TAG, "Additional verifiers required, but none installed."); 14731 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 14732 } else { 14733 for (int i = 0; i < N; i++) { 14734 final ComponentName verifierComponent = sufficientVerifiers.get(i); 14735 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14736 verifierComponent.getPackageName(), idleDuration, 14737 verifierUser.getIdentifier(), false, "package verifier"); 14738 14739 final Intent sufficientIntent = new Intent(verification); 14740 sufficientIntent.setComponent(verifierComponent); 14741 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 14742 } 14743 } 14744 } 14745 14746 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 14747 mRequiredVerifierPackage, receivers); 14748 if (ret == PackageManager.INSTALL_SUCCEEDED 14749 && mRequiredVerifierPackage != null) { 14750 Trace.asyncTraceBegin( 14751 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 14752 /* 14753 * Send the intent to the required verification agent, 14754 * but only start the verification timeout after the 14755 * target BroadcastReceivers have run. 14756 */ 14757 verification.setComponent(requiredVerifierComponent); 14758 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14759 requiredVerifierComponent.getPackageName(), idleDuration, 14760 verifierUser.getIdentifier(), false, "package verifier"); 14761 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 14762 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14763 new BroadcastReceiver() { 14764 @Override 14765 public void onReceive(Context context, Intent intent) { 14766 final Message msg = mHandler 14767 .obtainMessage(CHECK_PENDING_VERIFICATION); 14768 msg.arg1 = verificationId; 14769 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 14770 } 14771 }, null, 0, null, null); 14772 14773 /* 14774 * We don't want the copy to proceed until verification 14775 * succeeds, so null out this field. 14776 */ 14777 mArgs = null; 14778 } 14779 } else { 14780 /* 14781 * No package verification is enabled, so immediately start 14782 * the remote call to initiate copy using temporary file. 14783 */ 14784 ret = args.copyApk(mContainerService, true); 14785 } 14786 } 14787 14788 mRet = ret; 14789 } 14790 14791 @Override 14792 void handleReturnCode() { 14793 // If mArgs is null, then MCS couldn't be reached. When it 14794 // reconnects, it will try again to install. At that point, this 14795 // will succeed. 14796 if (mArgs != null) { 14797 processPendingInstall(mArgs, mRet); 14798 } 14799 } 14800 14801 @Override 14802 void handleServiceError() { 14803 mArgs = createInstallArgs(this); 14804 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14805 } 14806 14807 public boolean isForwardLocked() { 14808 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14809 } 14810 } 14811 14812 /** 14813 * Used during creation of InstallArgs 14814 * 14815 * @param installFlags package installation flags 14816 * @return true if should be installed on external storage 14817 */ 14818 private static boolean installOnExternalAsec(int installFlags) { 14819 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 14820 return false; 14821 } 14822 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 14823 return true; 14824 } 14825 return false; 14826 } 14827 14828 /** 14829 * Used during creation of InstallArgs 14830 * 14831 * @param installFlags package installation flags 14832 * @return true if should be installed as forward locked 14833 */ 14834 private static boolean installForwardLocked(int installFlags) { 14835 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14836 } 14837 14838 private InstallArgs createInstallArgs(InstallParams params) { 14839 if (params.move != null) { 14840 return new MoveInstallArgs(params); 14841 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 14842 return new AsecInstallArgs(params); 14843 } else { 14844 return new FileInstallArgs(params); 14845 } 14846 } 14847 14848 /** 14849 * Create args that describe an existing installed package. Typically used 14850 * when cleaning up old installs, or used as a move source. 14851 */ 14852 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 14853 String resourcePath, String[] instructionSets) { 14854 final boolean isInAsec; 14855 if (installOnExternalAsec(installFlags)) { 14856 /* Apps on SD card are always in ASEC containers. */ 14857 isInAsec = true; 14858 } else if (installForwardLocked(installFlags) 14859 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 14860 /* 14861 * Forward-locked apps are only in ASEC containers if they're the 14862 * new style 14863 */ 14864 isInAsec = true; 14865 } else { 14866 isInAsec = false; 14867 } 14868 14869 if (isInAsec) { 14870 return new AsecInstallArgs(codePath, instructionSets, 14871 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 14872 } else { 14873 return new FileInstallArgs(codePath, resourcePath, instructionSets); 14874 } 14875 } 14876 14877 static abstract class InstallArgs { 14878 /** @see InstallParams#origin */ 14879 final OriginInfo origin; 14880 /** @see InstallParams#move */ 14881 final MoveInfo move; 14882 14883 final IPackageInstallObserver2 observer; 14884 // Always refers to PackageManager flags only 14885 final int installFlags; 14886 final String installerPackageName; 14887 final String volumeUuid; 14888 final UserHandle user; 14889 final String abiOverride; 14890 final String[] installGrantPermissions; 14891 /** If non-null, drop an async trace when the install completes */ 14892 final String traceMethod; 14893 final int traceCookie; 14894 final Certificate[][] certificates; 14895 final int installReason; 14896 14897 // The list of instruction sets supported by this app. This is currently 14898 // only used during the rmdex() phase to clean up resources. We can get rid of this 14899 // if we move dex files under the common app path. 14900 /* nullable */ String[] instructionSets; 14901 14902 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14903 int installFlags, String installerPackageName, String volumeUuid, 14904 UserHandle user, String[] instructionSets, 14905 String abiOverride, String[] installGrantPermissions, 14906 String traceMethod, int traceCookie, Certificate[][] certificates, 14907 int installReason) { 14908 this.origin = origin; 14909 this.move = move; 14910 this.installFlags = installFlags; 14911 this.observer = observer; 14912 this.installerPackageName = installerPackageName; 14913 this.volumeUuid = volumeUuid; 14914 this.user = user; 14915 this.instructionSets = instructionSets; 14916 this.abiOverride = abiOverride; 14917 this.installGrantPermissions = installGrantPermissions; 14918 this.traceMethod = traceMethod; 14919 this.traceCookie = traceCookie; 14920 this.certificates = certificates; 14921 this.installReason = installReason; 14922 } 14923 14924 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 14925 abstract int doPreInstall(int status); 14926 14927 /** 14928 * Rename package into final resting place. All paths on the given 14929 * scanned package should be updated to reflect the rename. 14930 */ 14931 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 14932 abstract int doPostInstall(int status, int uid); 14933 14934 /** @see PackageSettingBase#codePathString */ 14935 abstract String getCodePath(); 14936 /** @see PackageSettingBase#resourcePathString */ 14937 abstract String getResourcePath(); 14938 14939 // Need installer lock especially for dex file removal. 14940 abstract void cleanUpResourcesLI(); 14941 abstract boolean doPostDeleteLI(boolean delete); 14942 14943 /** 14944 * Called before the source arguments are copied. This is used mostly 14945 * for MoveParams when it needs to read the source file to put it in the 14946 * destination. 14947 */ 14948 int doPreCopy() { 14949 return PackageManager.INSTALL_SUCCEEDED; 14950 } 14951 14952 /** 14953 * Called after the source arguments are copied. This is used mostly for 14954 * MoveParams when it needs to read the source file to put it in the 14955 * destination. 14956 */ 14957 int doPostCopy(int uid) { 14958 return PackageManager.INSTALL_SUCCEEDED; 14959 } 14960 14961 protected boolean isFwdLocked() { 14962 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14963 } 14964 14965 protected boolean isExternalAsec() { 14966 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14967 } 14968 14969 protected boolean isEphemeral() { 14970 return (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14971 } 14972 14973 UserHandle getUser() { 14974 return user; 14975 } 14976 } 14977 14978 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 14979 if (!allCodePaths.isEmpty()) { 14980 if (instructionSets == null) { 14981 throw new IllegalStateException("instructionSet == null"); 14982 } 14983 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 14984 for (String codePath : allCodePaths) { 14985 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 14986 try { 14987 mInstaller.rmdex(codePath, dexCodeInstructionSet); 14988 } catch (InstallerException ignored) { 14989 } 14990 } 14991 } 14992 } 14993 } 14994 14995 /** 14996 * Logic to handle installation of non-ASEC applications, including copying 14997 * and renaming logic. 14998 */ 14999 class FileInstallArgs extends InstallArgs { 15000 private File codeFile; 15001 private File resourceFile; 15002 15003 // Example topology: 15004 // /data/app/com.example/base.apk 15005 // /data/app/com.example/split_foo.apk 15006 // /data/app/com.example/lib/arm/libfoo.so 15007 // /data/app/com.example/lib/arm64/libfoo.so 15008 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 15009 15010 /** New install */ 15011 FileInstallArgs(InstallParams params) { 15012 super(params.origin, params.move, params.observer, params.installFlags, 15013 params.installerPackageName, params.volumeUuid, 15014 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 15015 params.grantedRuntimePermissions, 15016 params.traceMethod, params.traceCookie, params.certificates, 15017 params.installReason); 15018 if (isFwdLocked()) { 15019 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 15020 } 15021 } 15022 15023 /** Existing install */ 15024 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 15025 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 15026 null, null, null, 0, null /*certificates*/, 15027 PackageManager.INSTALL_REASON_UNKNOWN); 15028 this.codeFile = (codePath != null) ? new File(codePath) : null; 15029 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 15030 } 15031 15032 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15033 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 15034 try { 15035 return doCopyApk(imcs, temp); 15036 } finally { 15037 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15038 } 15039 } 15040 15041 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15042 if (origin.staged) { 15043 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 15044 codeFile = origin.file; 15045 resourceFile = origin.file; 15046 return PackageManager.INSTALL_SUCCEEDED; 15047 } 15048 15049 try { 15050 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15051 final File tempDir = 15052 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 15053 codeFile = tempDir; 15054 resourceFile = tempDir; 15055 } catch (IOException e) { 15056 Slog.w(TAG, "Failed to create copy file: " + e); 15057 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 15058 } 15059 15060 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 15061 @Override 15062 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 15063 if (!FileUtils.isValidExtFilename(name)) { 15064 throw new IllegalArgumentException("Invalid filename: " + name); 15065 } 15066 try { 15067 final File file = new File(codeFile, name); 15068 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 15069 O_RDWR | O_CREAT, 0644); 15070 Os.chmod(file.getAbsolutePath(), 0644); 15071 return new ParcelFileDescriptor(fd); 15072 } catch (ErrnoException e) { 15073 throw new RemoteException("Failed to open: " + e.getMessage()); 15074 } 15075 } 15076 }; 15077 15078 int ret = PackageManager.INSTALL_SUCCEEDED; 15079 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 15080 if (ret != PackageManager.INSTALL_SUCCEEDED) { 15081 Slog.e(TAG, "Failed to copy package"); 15082 return ret; 15083 } 15084 15085 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 15086 NativeLibraryHelper.Handle handle = null; 15087 try { 15088 handle = NativeLibraryHelper.Handle.create(codeFile); 15089 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 15090 abiOverride); 15091 } catch (IOException e) { 15092 Slog.e(TAG, "Copying native libraries failed", e); 15093 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15094 } finally { 15095 IoUtils.closeQuietly(handle); 15096 } 15097 15098 return ret; 15099 } 15100 15101 int doPreInstall(int status) { 15102 if (status != PackageManager.INSTALL_SUCCEEDED) { 15103 cleanUp(); 15104 } 15105 return status; 15106 } 15107 15108 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15109 if (status != PackageManager.INSTALL_SUCCEEDED) { 15110 cleanUp(); 15111 return false; 15112 } 15113 15114 final File targetDir = codeFile.getParentFile(); 15115 final File beforeCodeFile = codeFile; 15116 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 15117 15118 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 15119 try { 15120 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 15121 } catch (ErrnoException e) { 15122 Slog.w(TAG, "Failed to rename", e); 15123 return false; 15124 } 15125 15126 if (!SELinux.restoreconRecursive(afterCodeFile)) { 15127 Slog.w(TAG, "Failed to restorecon"); 15128 return false; 15129 } 15130 15131 // Reflect the rename internally 15132 codeFile = afterCodeFile; 15133 resourceFile = afterCodeFile; 15134 15135 // Reflect the rename in scanned details 15136 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15137 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15138 afterCodeFile, pkg.baseCodePath)); 15139 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15140 afterCodeFile, pkg.splitCodePaths)); 15141 15142 // Reflect the rename in app info 15143 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15144 pkg.setApplicationInfoCodePath(pkg.codePath); 15145 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15146 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15147 pkg.setApplicationInfoResourcePath(pkg.codePath); 15148 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15149 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15150 15151 return true; 15152 } 15153 15154 int doPostInstall(int status, int uid) { 15155 if (status != PackageManager.INSTALL_SUCCEEDED) { 15156 cleanUp(); 15157 } 15158 return status; 15159 } 15160 15161 @Override 15162 String getCodePath() { 15163 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15164 } 15165 15166 @Override 15167 String getResourcePath() { 15168 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15169 } 15170 15171 private boolean cleanUp() { 15172 if (codeFile == null || !codeFile.exists()) { 15173 return false; 15174 } 15175 15176 removeCodePathLI(codeFile); 15177 15178 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 15179 resourceFile.delete(); 15180 } 15181 15182 return true; 15183 } 15184 15185 void cleanUpResourcesLI() { 15186 // Try enumerating all code paths before deleting 15187 List<String> allCodePaths = Collections.EMPTY_LIST; 15188 if (codeFile != null && codeFile.exists()) { 15189 try { 15190 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15191 allCodePaths = pkg.getAllCodePaths(); 15192 } catch (PackageParserException e) { 15193 // Ignored; we tried our best 15194 } 15195 } 15196 15197 cleanUp(); 15198 removeDexFiles(allCodePaths, instructionSets); 15199 } 15200 15201 boolean doPostDeleteLI(boolean delete) { 15202 // XXX err, shouldn't we respect the delete flag? 15203 cleanUpResourcesLI(); 15204 return true; 15205 } 15206 } 15207 15208 private boolean isAsecExternal(String cid) { 15209 final String asecPath = PackageHelper.getSdFilesystem(cid); 15210 return !asecPath.startsWith(mAsecInternalPath); 15211 } 15212 15213 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 15214 PackageManagerException { 15215 if (copyRet < 0) { 15216 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 15217 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 15218 throw new PackageManagerException(copyRet, message); 15219 } 15220 } 15221 } 15222 15223 /** 15224 * Extract the StorageManagerService "container ID" from the full code path of an 15225 * .apk. 15226 */ 15227 static String cidFromCodePath(String fullCodePath) { 15228 int eidx = fullCodePath.lastIndexOf("/"); 15229 String subStr1 = fullCodePath.substring(0, eidx); 15230 int sidx = subStr1.lastIndexOf("/"); 15231 return subStr1.substring(sidx+1, eidx); 15232 } 15233 15234 /** 15235 * Logic to handle installation of ASEC applications, including copying and 15236 * renaming logic. 15237 */ 15238 class AsecInstallArgs extends InstallArgs { 15239 static final String RES_FILE_NAME = "pkg.apk"; 15240 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 15241 15242 String cid; 15243 String packagePath; 15244 String resourcePath; 15245 15246 /** New install */ 15247 AsecInstallArgs(InstallParams params) { 15248 super(params.origin, params.move, params.observer, params.installFlags, 15249 params.installerPackageName, params.volumeUuid, 15250 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15251 params.grantedRuntimePermissions, 15252 params.traceMethod, params.traceCookie, params.certificates, 15253 params.installReason); 15254 } 15255 15256 /** Existing install */ 15257 AsecInstallArgs(String fullCodePath, String[] instructionSets, 15258 boolean isExternal, boolean isForwardLocked) { 15259 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 15260 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15261 instructionSets, null, null, null, 0, null /*certificates*/, 15262 PackageManager.INSTALL_REASON_UNKNOWN); 15263 // Hackily pretend we're still looking at a full code path 15264 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 15265 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 15266 } 15267 15268 // Extract cid from fullCodePath 15269 int eidx = fullCodePath.lastIndexOf("/"); 15270 String subStr1 = fullCodePath.substring(0, eidx); 15271 int sidx = subStr1.lastIndexOf("/"); 15272 cid = subStr1.substring(sidx+1, eidx); 15273 setMountPath(subStr1); 15274 } 15275 15276 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 15277 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 15278 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15279 instructionSets, null, null, null, 0, null /*certificates*/, 15280 PackageManager.INSTALL_REASON_UNKNOWN); 15281 this.cid = cid; 15282 setMountPath(PackageHelper.getSdDir(cid)); 15283 } 15284 15285 void createCopyFile() { 15286 cid = mInstallerService.allocateExternalStageCidLegacy(); 15287 } 15288 15289 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15290 if (origin.staged && origin.cid != null) { 15291 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 15292 cid = origin.cid; 15293 setMountPath(PackageHelper.getSdDir(cid)); 15294 return PackageManager.INSTALL_SUCCEEDED; 15295 } 15296 15297 if (temp) { 15298 createCopyFile(); 15299 } else { 15300 /* 15301 * Pre-emptively destroy the container since it's destroyed if 15302 * copying fails due to it existing anyway. 15303 */ 15304 PackageHelper.destroySdDir(cid); 15305 } 15306 15307 final String newMountPath = imcs.copyPackageToContainer( 15308 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 15309 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 15310 15311 if (newMountPath != null) { 15312 setMountPath(newMountPath); 15313 return PackageManager.INSTALL_SUCCEEDED; 15314 } else { 15315 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15316 } 15317 } 15318 15319 @Override 15320 String getCodePath() { 15321 return packagePath; 15322 } 15323 15324 @Override 15325 String getResourcePath() { 15326 return resourcePath; 15327 } 15328 15329 int doPreInstall(int status) { 15330 if (status != PackageManager.INSTALL_SUCCEEDED) { 15331 // Destroy container 15332 PackageHelper.destroySdDir(cid); 15333 } else { 15334 boolean mounted = PackageHelper.isContainerMounted(cid); 15335 if (!mounted) { 15336 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 15337 Process.SYSTEM_UID); 15338 if (newMountPath != null) { 15339 setMountPath(newMountPath); 15340 } else { 15341 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15342 } 15343 } 15344 } 15345 return status; 15346 } 15347 15348 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15349 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 15350 String newMountPath = null; 15351 if (PackageHelper.isContainerMounted(cid)) { 15352 // Unmount the container 15353 if (!PackageHelper.unMountSdDir(cid)) { 15354 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 15355 return false; 15356 } 15357 } 15358 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15359 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 15360 " which might be stale. Will try to clean up."); 15361 // Clean up the stale container and proceed to recreate. 15362 if (!PackageHelper.destroySdDir(newCacheId)) { 15363 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 15364 return false; 15365 } 15366 // Successfully cleaned up stale container. Try to rename again. 15367 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15368 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 15369 + " inspite of cleaning it up."); 15370 return false; 15371 } 15372 } 15373 if (!PackageHelper.isContainerMounted(newCacheId)) { 15374 Slog.w(TAG, "Mounting container " + newCacheId); 15375 newMountPath = PackageHelper.mountSdDir(newCacheId, 15376 getEncryptKey(), Process.SYSTEM_UID); 15377 } else { 15378 newMountPath = PackageHelper.getSdDir(newCacheId); 15379 } 15380 if (newMountPath == null) { 15381 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 15382 return false; 15383 } 15384 Log.i(TAG, "Succesfully renamed " + cid + 15385 " to " + newCacheId + 15386 " at new path: " + newMountPath); 15387 cid = newCacheId; 15388 15389 final File beforeCodeFile = new File(packagePath); 15390 setMountPath(newMountPath); 15391 final File afterCodeFile = new File(packagePath); 15392 15393 // Reflect the rename in scanned details 15394 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15395 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15396 afterCodeFile, pkg.baseCodePath)); 15397 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15398 afterCodeFile, pkg.splitCodePaths)); 15399 15400 // Reflect the rename in app info 15401 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15402 pkg.setApplicationInfoCodePath(pkg.codePath); 15403 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15404 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15405 pkg.setApplicationInfoResourcePath(pkg.codePath); 15406 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15407 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15408 15409 return true; 15410 } 15411 15412 private void setMountPath(String mountPath) { 15413 final File mountFile = new File(mountPath); 15414 15415 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 15416 if (monolithicFile.exists()) { 15417 packagePath = monolithicFile.getAbsolutePath(); 15418 if (isFwdLocked()) { 15419 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 15420 } else { 15421 resourcePath = packagePath; 15422 } 15423 } else { 15424 packagePath = mountFile.getAbsolutePath(); 15425 resourcePath = packagePath; 15426 } 15427 } 15428 15429 int doPostInstall(int status, int uid) { 15430 if (status != PackageManager.INSTALL_SUCCEEDED) { 15431 cleanUp(); 15432 } else { 15433 final int groupOwner; 15434 final String protectedFile; 15435 if (isFwdLocked()) { 15436 groupOwner = UserHandle.getSharedAppGid(uid); 15437 protectedFile = RES_FILE_NAME; 15438 } else { 15439 groupOwner = -1; 15440 protectedFile = null; 15441 } 15442 15443 if (uid < Process.FIRST_APPLICATION_UID 15444 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 15445 Slog.e(TAG, "Failed to finalize " + cid); 15446 PackageHelper.destroySdDir(cid); 15447 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15448 } 15449 15450 boolean mounted = PackageHelper.isContainerMounted(cid); 15451 if (!mounted) { 15452 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 15453 } 15454 } 15455 return status; 15456 } 15457 15458 private void cleanUp() { 15459 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 15460 15461 // Destroy secure container 15462 PackageHelper.destroySdDir(cid); 15463 } 15464 15465 private List<String> getAllCodePaths() { 15466 final File codeFile = new File(getCodePath()); 15467 if (codeFile != null && codeFile.exists()) { 15468 try { 15469 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15470 return pkg.getAllCodePaths(); 15471 } catch (PackageParserException e) { 15472 // Ignored; we tried our best 15473 } 15474 } 15475 return Collections.EMPTY_LIST; 15476 } 15477 15478 void cleanUpResourcesLI() { 15479 // Enumerate all code paths before deleting 15480 cleanUpResourcesLI(getAllCodePaths()); 15481 } 15482 15483 private void cleanUpResourcesLI(List<String> allCodePaths) { 15484 cleanUp(); 15485 removeDexFiles(allCodePaths, instructionSets); 15486 } 15487 15488 String getPackageName() { 15489 return getAsecPackageName(cid); 15490 } 15491 15492 boolean doPostDeleteLI(boolean delete) { 15493 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 15494 final List<String> allCodePaths = getAllCodePaths(); 15495 boolean mounted = PackageHelper.isContainerMounted(cid); 15496 if (mounted) { 15497 // Unmount first 15498 if (PackageHelper.unMountSdDir(cid)) { 15499 mounted = false; 15500 } 15501 } 15502 if (!mounted && delete) { 15503 cleanUpResourcesLI(allCodePaths); 15504 } 15505 return !mounted; 15506 } 15507 15508 @Override 15509 int doPreCopy() { 15510 if (isFwdLocked()) { 15511 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 15512 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 15513 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15514 } 15515 } 15516 15517 return PackageManager.INSTALL_SUCCEEDED; 15518 } 15519 15520 @Override 15521 int doPostCopy(int uid) { 15522 if (isFwdLocked()) { 15523 if (uid < Process.FIRST_APPLICATION_UID 15524 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 15525 RES_FILE_NAME)) { 15526 Slog.e(TAG, "Failed to finalize " + cid); 15527 PackageHelper.destroySdDir(cid); 15528 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15529 } 15530 } 15531 15532 return PackageManager.INSTALL_SUCCEEDED; 15533 } 15534 } 15535 15536 /** 15537 * Logic to handle movement of existing installed applications. 15538 */ 15539 class MoveInstallArgs extends InstallArgs { 15540 private File codeFile; 15541 private File resourceFile; 15542 15543 /** New install */ 15544 MoveInstallArgs(InstallParams params) { 15545 super(params.origin, params.move, params.observer, params.installFlags, 15546 params.installerPackageName, params.volumeUuid, 15547 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15548 params.grantedRuntimePermissions, 15549 params.traceMethod, params.traceCookie, params.certificates, 15550 params.installReason); 15551 } 15552 15553 int copyApk(IMediaContainerService imcs, boolean temp) { 15554 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 15555 + move.fromUuid + " to " + move.toUuid); 15556 synchronized (mInstaller) { 15557 try { 15558 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 15559 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 15560 } catch (InstallerException e) { 15561 Slog.w(TAG, "Failed to move app", e); 15562 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15563 } 15564 } 15565 15566 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 15567 resourceFile = codeFile; 15568 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 15569 15570 return PackageManager.INSTALL_SUCCEEDED; 15571 } 15572 15573 int doPreInstall(int status) { 15574 if (status != PackageManager.INSTALL_SUCCEEDED) { 15575 cleanUp(move.toUuid); 15576 } 15577 return status; 15578 } 15579 15580 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15581 if (status != PackageManager.INSTALL_SUCCEEDED) { 15582 cleanUp(move.toUuid); 15583 return false; 15584 } 15585 15586 // Reflect the move in app info 15587 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15588 pkg.setApplicationInfoCodePath(pkg.codePath); 15589 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15590 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15591 pkg.setApplicationInfoResourcePath(pkg.codePath); 15592 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15593 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15594 15595 return true; 15596 } 15597 15598 int doPostInstall(int status, int uid) { 15599 if (status == PackageManager.INSTALL_SUCCEEDED) { 15600 cleanUp(move.fromUuid); 15601 } else { 15602 cleanUp(move.toUuid); 15603 } 15604 return status; 15605 } 15606 15607 @Override 15608 String getCodePath() { 15609 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15610 } 15611 15612 @Override 15613 String getResourcePath() { 15614 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15615 } 15616 15617 private boolean cleanUp(String volumeUuid) { 15618 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 15619 move.dataAppName); 15620 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 15621 final int[] userIds = sUserManager.getUserIds(); 15622 synchronized (mInstallLock) { 15623 // Clean up both app data and code 15624 // All package moves are frozen until finished 15625 for (int userId : userIds) { 15626 try { 15627 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 15628 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 15629 } catch (InstallerException e) { 15630 Slog.w(TAG, String.valueOf(e)); 15631 } 15632 } 15633 removeCodePathLI(codeFile); 15634 } 15635 return true; 15636 } 15637 15638 void cleanUpResourcesLI() { 15639 throw new UnsupportedOperationException(); 15640 } 15641 15642 boolean doPostDeleteLI(boolean delete) { 15643 throw new UnsupportedOperationException(); 15644 } 15645 } 15646 15647 static String getAsecPackageName(String packageCid) { 15648 int idx = packageCid.lastIndexOf("-"); 15649 if (idx == -1) { 15650 return packageCid; 15651 } 15652 return packageCid.substring(0, idx); 15653 } 15654 15655 // Utility method used to create code paths based on package name and available index. 15656 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 15657 String idxStr = ""; 15658 int idx = 1; 15659 // Fall back to default value of idx=1 if prefix is not 15660 // part of oldCodePath 15661 if (oldCodePath != null) { 15662 String subStr = oldCodePath; 15663 // Drop the suffix right away 15664 if (suffix != null && subStr.endsWith(suffix)) { 15665 subStr = subStr.substring(0, subStr.length() - suffix.length()); 15666 } 15667 // If oldCodePath already contains prefix find out the 15668 // ending index to either increment or decrement. 15669 int sidx = subStr.lastIndexOf(prefix); 15670 if (sidx != -1) { 15671 subStr = subStr.substring(sidx + prefix.length()); 15672 if (subStr != null) { 15673 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 15674 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 15675 } 15676 try { 15677 idx = Integer.parseInt(subStr); 15678 if (idx <= 1) { 15679 idx++; 15680 } else { 15681 idx--; 15682 } 15683 } catch(NumberFormatException e) { 15684 } 15685 } 15686 } 15687 } 15688 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 15689 return prefix + idxStr; 15690 } 15691 15692 private File getNextCodePath(File targetDir, String packageName) { 15693 File result; 15694 SecureRandom random = new SecureRandom(); 15695 byte[] bytes = new byte[16]; 15696 do { 15697 random.nextBytes(bytes); 15698 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 15699 result = new File(targetDir, packageName + "-" + suffix); 15700 } while (result.exists()); 15701 return result; 15702 } 15703 15704 // Utility method that returns the relative package path with respect 15705 // to the installation directory. Like say for /data/data/com.test-1.apk 15706 // string com.test-1 is returned. 15707 static String deriveCodePathName(String codePath) { 15708 if (codePath == null) { 15709 return null; 15710 } 15711 final File codeFile = new File(codePath); 15712 final String name = codeFile.getName(); 15713 if (codeFile.isDirectory()) { 15714 return name; 15715 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 15716 final int lastDot = name.lastIndexOf('.'); 15717 return name.substring(0, lastDot); 15718 } else { 15719 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 15720 return null; 15721 } 15722 } 15723 15724 static class PackageInstalledInfo { 15725 String name; 15726 int uid; 15727 // The set of users that originally had this package installed. 15728 int[] origUsers; 15729 // The set of users that now have this package installed. 15730 int[] newUsers; 15731 PackageParser.Package pkg; 15732 int returnCode; 15733 String returnMsg; 15734 PackageRemovedInfo removedInfo; 15735 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 15736 15737 public void setError(int code, String msg) { 15738 setReturnCode(code); 15739 setReturnMessage(msg); 15740 Slog.w(TAG, msg); 15741 } 15742 15743 public void setError(String msg, PackageParserException e) { 15744 setReturnCode(e.error); 15745 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15746 Slog.w(TAG, msg, e); 15747 } 15748 15749 public void setError(String msg, PackageManagerException e) { 15750 returnCode = e.error; 15751 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15752 Slog.w(TAG, msg, e); 15753 } 15754 15755 public void setReturnCode(int returnCode) { 15756 this.returnCode = returnCode; 15757 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15758 for (int i = 0; i < childCount; i++) { 15759 addedChildPackages.valueAt(i).returnCode = returnCode; 15760 } 15761 } 15762 15763 private void setReturnMessage(String returnMsg) { 15764 this.returnMsg = returnMsg; 15765 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15766 for (int i = 0; i < childCount; i++) { 15767 addedChildPackages.valueAt(i).returnMsg = returnMsg; 15768 } 15769 } 15770 15771 // In some error cases we want to convey more info back to the observer 15772 String origPackage; 15773 String origPermission; 15774 } 15775 15776 /* 15777 * Install a non-existing package. 15778 */ 15779 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 15780 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 15781 PackageInstalledInfo res, int installReason) { 15782 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 15783 15784 // Remember this for later, in case we need to rollback this install 15785 String pkgName = pkg.packageName; 15786 15787 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 15788 15789 synchronized(mPackages) { 15790 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 15791 if (renamedPackage != null) { 15792 // A package with the same name is already installed, though 15793 // it has been renamed to an older name. The package we 15794 // are trying to install should be installed as an update to 15795 // the existing one, but that has not been requested, so bail. 15796 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15797 + " without first uninstalling package running as " 15798 + renamedPackage); 15799 return; 15800 } 15801 if (mPackages.containsKey(pkgName)) { 15802 // Don't allow installation over an existing package with the same name. 15803 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15804 + " without first uninstalling."); 15805 return; 15806 } 15807 } 15808 15809 try { 15810 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 15811 System.currentTimeMillis(), user); 15812 15813 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 15814 15815 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15816 prepareAppDataAfterInstallLIF(newPackage); 15817 15818 } else { 15819 // Remove package from internal structures, but keep around any 15820 // data that might have already existed 15821 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 15822 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 15823 } 15824 } catch (PackageManagerException e) { 15825 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15826 } 15827 15828 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15829 } 15830 15831 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 15832 // Can't rotate keys during boot or if sharedUser. 15833 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 15834 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 15835 return false; 15836 } 15837 // app is using upgradeKeySets; make sure all are valid 15838 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15839 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 15840 for (int i = 0; i < upgradeKeySets.length; i++) { 15841 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 15842 Slog.wtf(TAG, "Package " 15843 + (oldPs.name != null ? oldPs.name : "<null>") 15844 + " contains upgrade-key-set reference to unknown key-set: " 15845 + upgradeKeySets[i] 15846 + " reverting to signatures check."); 15847 return false; 15848 } 15849 } 15850 return true; 15851 } 15852 15853 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 15854 // Upgrade keysets are being used. Determine if new package has a superset of the 15855 // required keys. 15856 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 15857 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15858 for (int i = 0; i < upgradeKeySets.length; i++) { 15859 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 15860 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 15861 return true; 15862 } 15863 } 15864 return false; 15865 } 15866 15867 private static void updateDigest(MessageDigest digest, File file) throws IOException { 15868 try (DigestInputStream digestStream = 15869 new DigestInputStream(new FileInputStream(file), digest)) { 15870 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 15871 } 15872 } 15873 15874 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 15875 UserHandle user, String installerPackageName, PackageInstalledInfo res, 15876 int installReason) { 15877 final boolean isInstantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 15878 15879 final PackageParser.Package oldPackage; 15880 final String pkgName = pkg.packageName; 15881 final int[] allUsers; 15882 final int[] installedUsers; 15883 15884 synchronized(mPackages) { 15885 oldPackage = mPackages.get(pkgName); 15886 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 15887 15888 // don't allow upgrade to target a release SDK from a pre-release SDK 15889 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 15890 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15891 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 15892 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15893 if (oldTargetsPreRelease 15894 && !newTargetsPreRelease 15895 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 15896 Slog.w(TAG, "Can't install package targeting released sdk"); 15897 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 15898 return; 15899 } 15900 15901 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15902 15903 // don't allow an upgrade from full to ephemeral 15904 if (isInstantApp && !ps.getInstantApp(user.getIdentifier())) { 15905 // can't downgrade from full to instant 15906 Slog.w(TAG, "Can't replace app with instant app: " + pkgName); 15907 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15908 return; 15909 } 15910 15911 // verify signatures are valid 15912 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15913 if (!checkUpgradeKeySetLP(ps, pkg)) { 15914 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15915 "New package not signed by keys specified by upgrade-keysets: " 15916 + pkgName); 15917 return; 15918 } 15919 } else { 15920 // default to original signature matching 15921 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 15922 != PackageManager.SIGNATURE_MATCH) { 15923 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15924 "New package has a different signature: " + pkgName); 15925 return; 15926 } 15927 } 15928 15929 // don't allow a system upgrade unless the upgrade hash matches 15930 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 15931 byte[] digestBytes = null; 15932 try { 15933 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 15934 updateDigest(digest, new File(pkg.baseCodePath)); 15935 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 15936 for (String path : pkg.splitCodePaths) { 15937 updateDigest(digest, new File(path)); 15938 } 15939 } 15940 digestBytes = digest.digest(); 15941 } catch (NoSuchAlgorithmException | IOException e) { 15942 res.setError(INSTALL_FAILED_INVALID_APK, 15943 "Could not compute hash: " + pkgName); 15944 return; 15945 } 15946 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 15947 res.setError(INSTALL_FAILED_INVALID_APK, 15948 "New package fails restrict-update check: " + pkgName); 15949 return; 15950 } 15951 // retain upgrade restriction 15952 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 15953 } 15954 15955 // Check for shared user id changes 15956 String invalidPackageName = 15957 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 15958 if (invalidPackageName != null) { 15959 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 15960 "Package " + invalidPackageName + " tried to change user " 15961 + oldPackage.mSharedUserId); 15962 return; 15963 } 15964 15965 // In case of rollback, remember per-user/profile install state 15966 allUsers = sUserManager.getUserIds(); 15967 installedUsers = ps.queryInstalledUsers(allUsers, true); 15968 } 15969 15970 // Update what is removed 15971 res.removedInfo = new PackageRemovedInfo(); 15972 res.removedInfo.uid = oldPackage.applicationInfo.uid; 15973 res.removedInfo.removedPackage = oldPackage.packageName; 15974 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 15975 res.removedInfo.isUpdate = true; 15976 res.removedInfo.origUsers = installedUsers; 15977 final PackageSetting ps = mSettings.getPackageLPr(pkgName); 15978 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 15979 for (int i = 0; i < installedUsers.length; i++) { 15980 final int userId = installedUsers[i]; 15981 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 15982 } 15983 15984 final int childCount = (oldPackage.childPackages != null) 15985 ? oldPackage.childPackages.size() : 0; 15986 for (int i = 0; i < childCount; i++) { 15987 boolean childPackageUpdated = false; 15988 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 15989 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15990 if (res.addedChildPackages != null) { 15991 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15992 if (childRes != null) { 15993 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 15994 childRes.removedInfo.removedPackage = childPkg.packageName; 15995 childRes.removedInfo.isUpdate = true; 15996 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 15997 childPackageUpdated = true; 15998 } 15999 } 16000 if (!childPackageUpdated) { 16001 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 16002 childRemovedRes.removedPackage = childPkg.packageName; 16003 childRemovedRes.isUpdate = false; 16004 childRemovedRes.dataRemoved = true; 16005 synchronized (mPackages) { 16006 if (childPs != null) { 16007 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 16008 } 16009 } 16010 if (res.removedInfo.removedChildPackages == null) { 16011 res.removedInfo.removedChildPackages = new ArrayMap<>(); 16012 } 16013 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 16014 } 16015 } 16016 16017 boolean sysPkg = (isSystemApp(oldPackage)); 16018 if (sysPkg) { 16019 // Set the system/privileged flags as needed 16020 final boolean privileged = 16021 (oldPackage.applicationInfo.privateFlags 16022 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 16023 final int systemPolicyFlags = policyFlags 16024 | PackageParser.PARSE_IS_SYSTEM 16025 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 16026 16027 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 16028 user, allUsers, installerPackageName, res, installReason); 16029 } else { 16030 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 16031 user, allUsers, installerPackageName, res, installReason); 16032 } 16033 } 16034 16035 public List<String> getPreviousCodePaths(String packageName) { 16036 final PackageSetting ps = mSettings.mPackages.get(packageName); 16037 final List<String> result = new ArrayList<String>(); 16038 if (ps != null && ps.oldCodePaths != null) { 16039 result.addAll(ps.oldCodePaths); 16040 } 16041 return result; 16042 } 16043 16044 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 16045 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 16046 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16047 int installReason) { 16048 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 16049 + deletedPackage); 16050 16051 String pkgName = deletedPackage.packageName; 16052 boolean deletedPkg = true; 16053 boolean addedPkg = false; 16054 boolean updatedSettings = false; 16055 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 16056 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 16057 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 16058 16059 final long origUpdateTime = (pkg.mExtras != null) 16060 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 16061 16062 // First delete the existing package while retaining the data directory 16063 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16064 res.removedInfo, true, pkg)) { 16065 // If the existing package wasn't successfully deleted 16066 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 16067 deletedPkg = false; 16068 } else { 16069 // Successfully deleted the old package; proceed with replace. 16070 16071 // If deleted package lived in a container, give users a chance to 16072 // relinquish resources before killing. 16073 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 16074 if (DEBUG_INSTALL) { 16075 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 16076 } 16077 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 16078 final ArrayList<String> pkgList = new ArrayList<String>(1); 16079 pkgList.add(deletedPackage.applicationInfo.packageName); 16080 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 16081 } 16082 16083 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16084 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16085 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16086 16087 try { 16088 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 16089 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 16090 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16091 installReason); 16092 16093 // Update the in-memory copy of the previous code paths. 16094 PackageSetting ps = mSettings.mPackages.get(pkgName); 16095 if (!killApp) { 16096 if (ps.oldCodePaths == null) { 16097 ps.oldCodePaths = new ArraySet<>(); 16098 } 16099 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 16100 if (deletedPackage.splitCodePaths != null) { 16101 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 16102 } 16103 } else { 16104 ps.oldCodePaths = null; 16105 } 16106 if (ps.childPackageNames != null) { 16107 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 16108 final String childPkgName = ps.childPackageNames.get(i); 16109 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 16110 childPs.oldCodePaths = ps.oldCodePaths; 16111 } 16112 } 16113 // set instant app status, but, only if it's explicitly specified 16114 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 16115 final boolean fullApp = (scanFlags & SCAN_AS_FULL_APP) != 0; 16116 setInstantAppForUser(ps, user.getIdentifier(), instantApp, fullApp); 16117 prepareAppDataAfterInstallLIF(newPackage); 16118 addedPkg = true; 16119 } catch (PackageManagerException e) { 16120 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16121 } 16122 } 16123 16124 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16125 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 16126 16127 // Revert all internal state mutations and added folders for the failed install 16128 if (addedPkg) { 16129 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16130 res.removedInfo, true, null); 16131 } 16132 16133 // Restore the old package 16134 if (deletedPkg) { 16135 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 16136 File restoreFile = new File(deletedPackage.codePath); 16137 // Parse old package 16138 boolean oldExternal = isExternal(deletedPackage); 16139 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 16140 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 16141 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 16142 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 16143 try { 16144 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 16145 null); 16146 } catch (PackageManagerException e) { 16147 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 16148 + e.getMessage()); 16149 return; 16150 } 16151 16152 synchronized (mPackages) { 16153 // Ensure the installer package name up to date 16154 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16155 16156 // Update permissions for restored package 16157 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16158 16159 mSettings.writeLPr(); 16160 } 16161 16162 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 16163 } 16164 } else { 16165 synchronized (mPackages) { 16166 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 16167 if (ps != null) { 16168 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16169 if (res.removedInfo.removedChildPackages != null) { 16170 final int childCount = res.removedInfo.removedChildPackages.size(); 16171 // Iterate in reverse as we may modify the collection 16172 for (int i = childCount - 1; i >= 0; i--) { 16173 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 16174 if (res.addedChildPackages.containsKey(childPackageName)) { 16175 res.removedInfo.removedChildPackages.removeAt(i); 16176 } else { 16177 PackageRemovedInfo childInfo = res.removedInfo 16178 .removedChildPackages.valueAt(i); 16179 childInfo.removedForAllUsers = mPackages.get( 16180 childInfo.removedPackage) == null; 16181 } 16182 } 16183 } 16184 } 16185 } 16186 } 16187 } 16188 16189 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 16190 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 16191 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16192 int installReason) { 16193 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 16194 + ", old=" + deletedPackage); 16195 16196 final boolean disabledSystem; 16197 16198 // Remove existing system package 16199 removePackageLI(deletedPackage, true); 16200 16201 synchronized (mPackages) { 16202 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 16203 } 16204 if (!disabledSystem) { 16205 // We didn't need to disable the .apk as a current system package, 16206 // which means we are replacing another update that is already 16207 // installed. We need to make sure to delete the older one's .apk. 16208 res.removedInfo.args = createInstallArgsForExisting(0, 16209 deletedPackage.applicationInfo.getCodePath(), 16210 deletedPackage.applicationInfo.getResourcePath(), 16211 getAppDexInstructionSets(deletedPackage.applicationInfo)); 16212 } else { 16213 res.removedInfo.args = null; 16214 } 16215 16216 // Successfully disabled the old package. Now proceed with re-installation 16217 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16218 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16219 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16220 16221 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16222 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 16223 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 16224 16225 PackageParser.Package newPackage = null; 16226 try { 16227 // Add the package to the internal data structures 16228 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 16229 16230 // Set the update and install times 16231 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 16232 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 16233 System.currentTimeMillis()); 16234 16235 // Update the package dynamic state if succeeded 16236 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16237 // Now that the install succeeded make sure we remove data 16238 // directories for any child package the update removed. 16239 final int deletedChildCount = (deletedPackage.childPackages != null) 16240 ? deletedPackage.childPackages.size() : 0; 16241 final int newChildCount = (newPackage.childPackages != null) 16242 ? newPackage.childPackages.size() : 0; 16243 for (int i = 0; i < deletedChildCount; i++) { 16244 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 16245 boolean childPackageDeleted = true; 16246 for (int j = 0; j < newChildCount; j++) { 16247 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 16248 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 16249 childPackageDeleted = false; 16250 break; 16251 } 16252 } 16253 if (childPackageDeleted) { 16254 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 16255 deletedChildPkg.packageName); 16256 if (ps != null && res.removedInfo.removedChildPackages != null) { 16257 PackageRemovedInfo removedChildRes = res.removedInfo 16258 .removedChildPackages.get(deletedChildPkg.packageName); 16259 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 16260 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 16261 } 16262 } 16263 } 16264 16265 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16266 installReason); 16267 prepareAppDataAfterInstallLIF(newPackage); 16268 } 16269 } catch (PackageManagerException e) { 16270 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 16271 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16272 } 16273 16274 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16275 // Re installation failed. Restore old information 16276 // Remove new pkg information 16277 if (newPackage != null) { 16278 removeInstalledPackageLI(newPackage, true); 16279 } 16280 // Add back the old system package 16281 try { 16282 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 16283 } catch (PackageManagerException e) { 16284 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 16285 } 16286 16287 synchronized (mPackages) { 16288 if (disabledSystem) { 16289 enableSystemPackageLPw(deletedPackage); 16290 } 16291 16292 // Ensure the installer package name up to date 16293 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16294 16295 // Update permissions for restored package 16296 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16297 16298 mSettings.writeLPr(); 16299 } 16300 16301 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 16302 + " after failed upgrade"); 16303 } 16304 } 16305 16306 /** 16307 * Checks whether the parent or any of the child packages have a change shared 16308 * user. For a package to be a valid update the shred users of the parent and 16309 * the children should match. We may later support changing child shared users. 16310 * @param oldPkg The updated package. 16311 * @param newPkg The update package. 16312 * @return The shared user that change between the versions. 16313 */ 16314 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 16315 PackageParser.Package newPkg) { 16316 // Check parent shared user 16317 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 16318 return newPkg.packageName; 16319 } 16320 // Check child shared users 16321 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16322 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 16323 for (int i = 0; i < newChildCount; i++) { 16324 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 16325 // If this child was present, did it have the same shared user? 16326 for (int j = 0; j < oldChildCount; j++) { 16327 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 16328 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 16329 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 16330 return newChildPkg.packageName; 16331 } 16332 } 16333 } 16334 return null; 16335 } 16336 16337 private void removeNativeBinariesLI(PackageSetting ps) { 16338 // Remove the lib path for the parent package 16339 if (ps != null) { 16340 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 16341 // Remove the lib path for the child packages 16342 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16343 for (int i = 0; i < childCount; i++) { 16344 PackageSetting childPs = null; 16345 synchronized (mPackages) { 16346 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16347 } 16348 if (childPs != null) { 16349 NativeLibraryHelper.removeNativeBinariesLI(childPs 16350 .legacyNativeLibraryPathString); 16351 } 16352 } 16353 } 16354 } 16355 16356 private void enableSystemPackageLPw(PackageParser.Package pkg) { 16357 // Enable the parent package 16358 mSettings.enableSystemPackageLPw(pkg.packageName); 16359 // Enable the child packages 16360 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16361 for (int i = 0; i < childCount; i++) { 16362 PackageParser.Package childPkg = pkg.childPackages.get(i); 16363 mSettings.enableSystemPackageLPw(childPkg.packageName); 16364 } 16365 } 16366 16367 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 16368 PackageParser.Package newPkg) { 16369 // Disable the parent package (parent always replaced) 16370 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 16371 // Disable the child packages 16372 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16373 for (int i = 0; i < childCount; i++) { 16374 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 16375 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 16376 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 16377 } 16378 return disabled; 16379 } 16380 16381 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 16382 String installerPackageName) { 16383 // Enable the parent package 16384 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 16385 // Enable the child packages 16386 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16387 for (int i = 0; i < childCount; i++) { 16388 PackageParser.Package childPkg = pkg.childPackages.get(i); 16389 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 16390 } 16391 } 16392 16393 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 16394 // Collect all used permissions in the UID 16395 ArraySet<String> usedPermissions = new ArraySet<>(); 16396 final int packageCount = su.packages.size(); 16397 for (int i = 0; i < packageCount; i++) { 16398 PackageSetting ps = su.packages.valueAt(i); 16399 if (ps.pkg == null) { 16400 continue; 16401 } 16402 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 16403 for (int j = 0; j < requestedPermCount; j++) { 16404 String permission = ps.pkg.requestedPermissions.get(j); 16405 BasePermission bp = mSettings.mPermissions.get(permission); 16406 if (bp != null) { 16407 usedPermissions.add(permission); 16408 } 16409 } 16410 } 16411 16412 PermissionsState permissionsState = su.getPermissionsState(); 16413 // Prune install permissions 16414 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 16415 final int installPermCount = installPermStates.size(); 16416 for (int i = installPermCount - 1; i >= 0; i--) { 16417 PermissionState permissionState = installPermStates.get(i); 16418 if (!usedPermissions.contains(permissionState.getName())) { 16419 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16420 if (bp != null) { 16421 permissionsState.revokeInstallPermission(bp); 16422 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 16423 PackageManager.MASK_PERMISSION_FLAGS, 0); 16424 } 16425 } 16426 } 16427 16428 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 16429 16430 // Prune runtime permissions 16431 for (int userId : allUserIds) { 16432 List<PermissionState> runtimePermStates = permissionsState 16433 .getRuntimePermissionStates(userId); 16434 final int runtimePermCount = runtimePermStates.size(); 16435 for (int i = runtimePermCount - 1; i >= 0; i--) { 16436 PermissionState permissionState = runtimePermStates.get(i); 16437 if (!usedPermissions.contains(permissionState.getName())) { 16438 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16439 if (bp != null) { 16440 permissionsState.revokeRuntimePermission(bp, userId); 16441 permissionsState.updatePermissionFlags(bp, userId, 16442 PackageManager.MASK_PERMISSION_FLAGS, 0); 16443 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 16444 runtimePermissionChangedUserIds, userId); 16445 } 16446 } 16447 } 16448 } 16449 16450 return runtimePermissionChangedUserIds; 16451 } 16452 16453 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 16454 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 16455 // Update the parent package setting 16456 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 16457 res, user, installReason); 16458 // Update the child packages setting 16459 final int childCount = (newPackage.childPackages != null) 16460 ? newPackage.childPackages.size() : 0; 16461 for (int i = 0; i < childCount; i++) { 16462 PackageParser.Package childPackage = newPackage.childPackages.get(i); 16463 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 16464 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 16465 childRes.origUsers, childRes, user, installReason); 16466 } 16467 } 16468 16469 private void updateSettingsInternalLI(PackageParser.Package newPackage, 16470 String installerPackageName, int[] allUsers, int[] installedForUsers, 16471 PackageInstalledInfo res, UserHandle user, int installReason) { 16472 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 16473 16474 String pkgName = newPackage.packageName; 16475 synchronized (mPackages) { 16476 //write settings. the installStatus will be incomplete at this stage. 16477 //note that the new package setting would have already been 16478 //added to mPackages. It hasn't been persisted yet. 16479 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 16480 // TODO: Remove this write? It's also written at the end of this method 16481 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16482 mSettings.writeLPr(); 16483 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16484 } 16485 16486 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 16487 synchronized (mPackages) { 16488 updatePermissionsLPw(newPackage.packageName, newPackage, 16489 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 16490 ? UPDATE_PERMISSIONS_ALL : 0)); 16491 // For system-bundled packages, we assume that installing an upgraded version 16492 // of the package implies that the user actually wants to run that new code, 16493 // so we enable the package. 16494 PackageSetting ps = mSettings.mPackages.get(pkgName); 16495 final int userId = user.getIdentifier(); 16496 if (ps != null) { 16497 if (isSystemApp(newPackage)) { 16498 if (DEBUG_INSTALL) { 16499 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 16500 } 16501 // Enable system package for requested users 16502 if (res.origUsers != null) { 16503 for (int origUserId : res.origUsers) { 16504 if (userId == UserHandle.USER_ALL || userId == origUserId) { 16505 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 16506 origUserId, installerPackageName); 16507 } 16508 } 16509 } 16510 // Also convey the prior install/uninstall state 16511 if (allUsers != null && installedForUsers != null) { 16512 for (int currentUserId : allUsers) { 16513 final boolean installed = ArrayUtils.contains( 16514 installedForUsers, currentUserId); 16515 if (DEBUG_INSTALL) { 16516 Slog.d(TAG, " user " + currentUserId + " => " + installed); 16517 } 16518 ps.setInstalled(installed, currentUserId); 16519 } 16520 // these install state changes will be persisted in the 16521 // upcoming call to mSettings.writeLPr(). 16522 } 16523 } 16524 // It's implied that when a user requests installation, they want the app to be 16525 // installed and enabled. 16526 if (userId != UserHandle.USER_ALL) { 16527 ps.setInstalled(true, userId); 16528 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 16529 } 16530 16531 // When replacing an existing package, preserve the original install reason for all 16532 // users that had the package installed before. 16533 final Set<Integer> previousUserIds = new ArraySet<>(); 16534 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 16535 final int installReasonCount = res.removedInfo.installReasons.size(); 16536 for (int i = 0; i < installReasonCount; i++) { 16537 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 16538 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 16539 ps.setInstallReason(previousInstallReason, previousUserId); 16540 previousUserIds.add(previousUserId); 16541 } 16542 } 16543 16544 // Set install reason for users that are having the package newly installed. 16545 if (userId == UserHandle.USER_ALL) { 16546 for (int currentUserId : sUserManager.getUserIds()) { 16547 if (!previousUserIds.contains(currentUserId)) { 16548 ps.setInstallReason(installReason, currentUserId); 16549 } 16550 } 16551 } else if (!previousUserIds.contains(userId)) { 16552 ps.setInstallReason(installReason, userId); 16553 } 16554 mSettings.writeKernelMappingLPr(ps); 16555 } 16556 res.name = pkgName; 16557 res.uid = newPackage.applicationInfo.uid; 16558 res.pkg = newPackage; 16559 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 16560 mSettings.setInstallerPackageName(pkgName, installerPackageName); 16561 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16562 //to update install status 16563 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16564 mSettings.writeLPr(); 16565 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16566 } 16567 16568 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16569 } 16570 16571 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 16572 try { 16573 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 16574 installPackageLI(args, res); 16575 } finally { 16576 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16577 } 16578 } 16579 16580 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 16581 final int installFlags = args.installFlags; 16582 final String installerPackageName = args.installerPackageName; 16583 final String volumeUuid = args.volumeUuid; 16584 final File tmpPackageFile = new File(args.getCodePath()); 16585 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 16586 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 16587 || (args.volumeUuid != null)); 16588 final boolean instantApp = ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0); 16589 final boolean fullApp = ((installFlags & PackageManager.INSTALL_FULL_APP) != 0); 16590 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 16591 boolean replace = false; 16592 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 16593 if (args.move != null) { 16594 // moving a complete application; perform an initial scan on the new install location 16595 scanFlags |= SCAN_INITIAL; 16596 } 16597 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 16598 scanFlags |= SCAN_DONT_KILL_APP; 16599 } 16600 if (instantApp) { 16601 scanFlags |= SCAN_AS_INSTANT_APP; 16602 } 16603 if (fullApp) { 16604 scanFlags |= SCAN_AS_FULL_APP; 16605 } 16606 16607 // Result object to be returned 16608 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16609 16610 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 16611 16612 // Sanity check 16613 if (instantApp && (forwardLocked || onExternal)) { 16614 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 16615 + " external=" + onExternal); 16616 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16617 return; 16618 } 16619 16620 // Retrieve PackageSettings and parse package 16621 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 16622 | PackageParser.PARSE_ENFORCE_CODE 16623 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 16624 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 16625 | (instantApp ? PackageParser.PARSE_IS_EPHEMERAL : 0) 16626 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 16627 PackageParser pp = new PackageParser(); 16628 pp.setSeparateProcesses(mSeparateProcesses); 16629 pp.setDisplayMetrics(mMetrics); 16630 16631 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 16632 final PackageParser.Package pkg; 16633 try { 16634 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 16635 } catch (PackageParserException e) { 16636 res.setError("Failed parse during installPackageLI", e); 16637 return; 16638 } finally { 16639 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16640 } 16641 16642// // Ephemeral apps must have target SDK >= O. 16643// // TODO: Update conditional and error message when O gets locked down 16644// if (instantApp && pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.N_MR1) { 16645// res.setError(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID, 16646// "Ephemeral apps must have target SDK version of at least O"); 16647// return; 16648// } 16649 16650 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16651 // Static shared libraries have synthetic package names 16652 renameStaticSharedLibraryPackage(pkg); 16653 16654 // No static shared libs on external storage 16655 if (onExternal) { 16656 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 16657 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16658 "Packages declaring static-shared libs cannot be updated"); 16659 return; 16660 } 16661 } 16662 16663 // If we are installing a clustered package add results for the children 16664 if (pkg.childPackages != null) { 16665 synchronized (mPackages) { 16666 final int childCount = pkg.childPackages.size(); 16667 for (int i = 0; i < childCount; i++) { 16668 PackageParser.Package childPkg = pkg.childPackages.get(i); 16669 PackageInstalledInfo childRes = new PackageInstalledInfo(); 16670 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16671 childRes.pkg = childPkg; 16672 childRes.name = childPkg.packageName; 16673 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16674 if (childPs != null) { 16675 childRes.origUsers = childPs.queryInstalledUsers( 16676 sUserManager.getUserIds(), true); 16677 } 16678 if ((mPackages.containsKey(childPkg.packageName))) { 16679 childRes.removedInfo = new PackageRemovedInfo(); 16680 childRes.removedInfo.removedPackage = childPkg.packageName; 16681 } 16682 if (res.addedChildPackages == null) { 16683 res.addedChildPackages = new ArrayMap<>(); 16684 } 16685 res.addedChildPackages.put(childPkg.packageName, childRes); 16686 } 16687 } 16688 } 16689 16690 // If package doesn't declare API override, mark that we have an install 16691 // time CPU ABI override. 16692 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 16693 pkg.cpuAbiOverride = args.abiOverride; 16694 } 16695 16696 String pkgName = res.name = pkg.packageName; 16697 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 16698 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 16699 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 16700 return; 16701 } 16702 } 16703 16704 try { 16705 // either use what we've been given or parse directly from the APK 16706 if (args.certificates != null) { 16707 try { 16708 PackageParser.populateCertificates(pkg, args.certificates); 16709 } catch (PackageParserException e) { 16710 // there was something wrong with the certificates we were given; 16711 // try to pull them from the APK 16712 PackageParser.collectCertificates(pkg, parseFlags); 16713 } 16714 } else { 16715 PackageParser.collectCertificates(pkg, parseFlags); 16716 } 16717 } catch (PackageParserException e) { 16718 res.setError("Failed collect during installPackageLI", e); 16719 return; 16720 } 16721 16722 // Get rid of all references to package scan path via parser. 16723 pp = null; 16724 String oldCodePath = null; 16725 boolean systemApp = false; 16726 synchronized (mPackages) { 16727 // Check if installing already existing package 16728 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 16729 String oldName = mSettings.getRenamedPackageLPr(pkgName); 16730 if (pkg.mOriginalPackages != null 16731 && pkg.mOriginalPackages.contains(oldName) 16732 && mPackages.containsKey(oldName)) { 16733 // This package is derived from an original package, 16734 // and this device has been updating from that original 16735 // name. We must continue using the original name, so 16736 // rename the new package here. 16737 pkg.setPackageName(oldName); 16738 pkgName = pkg.packageName; 16739 replace = true; 16740 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 16741 + oldName + " pkgName=" + pkgName); 16742 } else if (mPackages.containsKey(pkgName)) { 16743 // This package, under its official name, already exists 16744 // on the device; we should replace it. 16745 replace = true; 16746 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 16747 } 16748 16749 // Child packages are installed through the parent package 16750 if (pkg.parentPackage != null) { 16751 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16752 "Package " + pkg.packageName + " is child of package " 16753 + pkg.parentPackage.parentPackage + ". Child packages " 16754 + "can be updated only through the parent package."); 16755 return; 16756 } 16757 16758 if (replace) { 16759 // Prevent apps opting out from runtime permissions 16760 PackageParser.Package oldPackage = mPackages.get(pkgName); 16761 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 16762 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 16763 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 16764 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 16765 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 16766 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 16767 + " doesn't support runtime permissions but the old" 16768 + " target SDK " + oldTargetSdk + " does."); 16769 return; 16770 } 16771 16772 // Prevent installing of child packages 16773 if (oldPackage.parentPackage != null) { 16774 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16775 "Package " + pkg.packageName + " is child of package " 16776 + oldPackage.parentPackage + ". Child packages " 16777 + "can be updated only through the parent package."); 16778 return; 16779 } 16780 } 16781 } 16782 16783 PackageSetting ps = mSettings.mPackages.get(pkgName); 16784 if (ps != null) { 16785 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 16786 16787 // Static shared libs have same package with different versions where 16788 // we internally use a synthetic package name to allow multiple versions 16789 // of the same package, therefore we need to compare signatures against 16790 // the package setting for the latest library version. 16791 PackageSetting signatureCheckPs = ps; 16792 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16793 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 16794 if (libraryEntry != null) { 16795 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 16796 } 16797 } 16798 16799 // Quick sanity check that we're signed correctly if updating; 16800 // we'll check this again later when scanning, but we want to 16801 // bail early here before tripping over redefined permissions. 16802 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 16803 if (!checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 16804 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 16805 + pkg.packageName + " upgrade keys do not match the " 16806 + "previously installed version"); 16807 return; 16808 } 16809 } else { 16810 try { 16811 verifySignaturesLP(signatureCheckPs, pkg); 16812 } catch (PackageManagerException e) { 16813 res.setError(e.error, e.getMessage()); 16814 return; 16815 } 16816 } 16817 16818 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 16819 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 16820 systemApp = (ps.pkg.applicationInfo.flags & 16821 ApplicationInfo.FLAG_SYSTEM) != 0; 16822 } 16823 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16824 } 16825 16826 int N = pkg.permissions.size(); 16827 for (int i = N-1; i >= 0; i--) { 16828 PackageParser.Permission perm = pkg.permissions.get(i); 16829 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 16830 16831 // Don't allow anyone but the platform to define ephemeral permissions. 16832 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_FLAG_EPHEMERAL) != 0 16833 && !PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16834 Slog.w(TAG, "Package " + pkg.packageName 16835 + " attempting to delcare ephemeral permission " 16836 + perm.info.name + "; Removing ephemeral."); 16837 perm.info.protectionLevel &= ~PermissionInfo.PROTECTION_FLAG_EPHEMERAL; 16838 } 16839 // Check whether the newly-scanned package wants to define an already-defined perm 16840 if (bp != null) { 16841 // If the defining package is signed with our cert, it's okay. This 16842 // also includes the "updating the same package" case, of course. 16843 // "updating same package" could also involve key-rotation. 16844 final boolean sigsOk; 16845 if (bp.sourcePackage.equals(pkg.packageName) 16846 && (bp.packageSetting instanceof PackageSetting) 16847 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 16848 scanFlags))) { 16849 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 16850 } else { 16851 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 16852 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 16853 } 16854 if (!sigsOk) { 16855 // If the owning package is the system itself, we log but allow 16856 // install to proceed; we fail the install on all other permission 16857 // redefinitions. 16858 if (!bp.sourcePackage.equals("android")) { 16859 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 16860 + pkg.packageName + " attempting to redeclare permission " 16861 + perm.info.name + " already owned by " + bp.sourcePackage); 16862 res.origPermission = perm.info.name; 16863 res.origPackage = bp.sourcePackage; 16864 return; 16865 } else { 16866 Slog.w(TAG, "Package " + pkg.packageName 16867 + " attempting to redeclare system permission " 16868 + perm.info.name + "; ignoring new declaration"); 16869 pkg.permissions.remove(i); 16870 } 16871 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16872 // Prevent apps to change protection level to dangerous from any other 16873 // type as this would allow a privilege escalation where an app adds a 16874 // normal/signature permission in other app's group and later redefines 16875 // it as dangerous leading to the group auto-grant. 16876 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 16877 == PermissionInfo.PROTECTION_DANGEROUS) { 16878 if (bp != null && !bp.isRuntime()) { 16879 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 16880 + "non-runtime permission " + perm.info.name 16881 + " to runtime; keeping old protection level"); 16882 perm.info.protectionLevel = bp.protectionLevel; 16883 } 16884 } 16885 } 16886 } 16887 } 16888 } 16889 16890 if (systemApp) { 16891 if (onExternal) { 16892 // Abort update; system app can't be replaced with app on sdcard 16893 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16894 "Cannot install updates to system apps on sdcard"); 16895 return; 16896 } else if (instantApp) { 16897 // Abort update; system app can't be replaced with an instant app 16898 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16899 "Cannot update a system app with an instant app"); 16900 return; 16901 } 16902 } 16903 16904 if (args.move != null) { 16905 // We did an in-place move, so dex is ready to roll 16906 scanFlags |= SCAN_NO_DEX; 16907 scanFlags |= SCAN_MOVE; 16908 16909 synchronized (mPackages) { 16910 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16911 if (ps == null) { 16912 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 16913 "Missing settings for moved package " + pkgName); 16914 } 16915 16916 // We moved the entire application as-is, so bring over the 16917 // previously derived ABI information. 16918 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 16919 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 16920 } 16921 16922 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 16923 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 16924 scanFlags |= SCAN_NO_DEX; 16925 16926 try { 16927 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 16928 args.abiOverride : pkg.cpuAbiOverride); 16929 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 16930 true /*extractLibs*/, mAppLib32InstallDir); 16931 } catch (PackageManagerException pme) { 16932 Slog.e(TAG, "Error deriving application ABI", pme); 16933 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 16934 return; 16935 } 16936 16937 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 16938 // Do not run PackageDexOptimizer through the local performDexOpt 16939 // method because `pkg` may not be in `mPackages` yet. 16940 // 16941 // Also, don't fail application installs if the dexopt step fails. 16942 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 16943 null /* instructionSets */, false /* checkProfiles */, 16944 getCompilerFilterForReason(REASON_INSTALL), 16945 getOrCreateCompilerPackageStats(pkg)); 16946 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16947 16948 // Notify BackgroundDexOptJobService that the package has been changed. 16949 // If this is an update of a package which used to fail to compile, 16950 // BDOS will remove it from its blacklist. 16951 // TODO: Layering violation 16952 BackgroundDexOptJobService.notifyPackageChanged(pkg.packageName); 16953 } 16954 16955 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 16956 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 16957 return; 16958 } 16959 16960 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 16961 16962 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 16963 "installPackageLI")) { 16964 if (replace) { 16965 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16966 // Static libs have a synthetic package name containing the version 16967 // and cannot be updated as an update would get a new package name, 16968 // unless this is the exact same version code which is useful for 16969 // development. 16970 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 16971 if (existingPkg != null && existingPkg.mVersionCode != pkg.mVersionCode) { 16972 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 16973 + "static-shared libs cannot be updated"); 16974 return; 16975 } 16976 } 16977 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 16978 installerPackageName, res, args.installReason); 16979 } else { 16980 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 16981 args.user, installerPackageName, volumeUuid, res, args.installReason); 16982 } 16983 } 16984 synchronized (mPackages) { 16985 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16986 if (ps != null) { 16987 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16988 } 16989 16990 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16991 for (int i = 0; i < childCount; i++) { 16992 PackageParser.Package childPkg = pkg.childPackages.get(i); 16993 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16994 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16995 if (childPs != null) { 16996 childRes.newUsers = childPs.queryInstalledUsers( 16997 sUserManager.getUserIds(), true); 16998 } 16999 } 17000 17001 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 17002 updateSequenceNumberLP(pkgName, res.newUsers); 17003 } 17004 } 17005 } 17006 17007 private void startIntentFilterVerifications(int userId, boolean replacing, 17008 PackageParser.Package pkg) { 17009 if (mIntentFilterVerifierComponent == null) { 17010 Slog.w(TAG, "No IntentFilter verification will not be done as " 17011 + "there is no IntentFilterVerifier available!"); 17012 return; 17013 } 17014 17015 final int verifierUid = getPackageUid( 17016 mIntentFilterVerifierComponent.getPackageName(), 17017 MATCH_DEBUG_TRIAGED_MISSING, 17018 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 17019 17020 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 17021 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 17022 mHandler.sendMessage(msg); 17023 17024 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 17025 for (int i = 0; i < childCount; i++) { 17026 PackageParser.Package childPkg = pkg.childPackages.get(i); 17027 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 17028 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 17029 mHandler.sendMessage(msg); 17030 } 17031 } 17032 17033 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 17034 PackageParser.Package pkg) { 17035 int size = pkg.activities.size(); 17036 if (size == 0) { 17037 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17038 "No activity, so no need to verify any IntentFilter!"); 17039 return; 17040 } 17041 17042 final boolean hasDomainURLs = hasDomainURLs(pkg); 17043 if (!hasDomainURLs) { 17044 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17045 "No domain URLs, so no need to verify any IntentFilter!"); 17046 return; 17047 } 17048 17049 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 17050 + " if any IntentFilter from the " + size 17051 + " Activities needs verification ..."); 17052 17053 int count = 0; 17054 final String packageName = pkg.packageName; 17055 17056 synchronized (mPackages) { 17057 // If this is a new install and we see that we've already run verification for this 17058 // package, we have nothing to do: it means the state was restored from backup. 17059 if (!replacing) { 17060 IntentFilterVerificationInfo ivi = 17061 mSettings.getIntentFilterVerificationLPr(packageName); 17062 if (ivi != null) { 17063 if (DEBUG_DOMAIN_VERIFICATION) { 17064 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 17065 + ivi.getStatusString()); 17066 } 17067 return; 17068 } 17069 } 17070 17071 // If any filters need to be verified, then all need to be. 17072 boolean needToVerify = false; 17073 for (PackageParser.Activity a : pkg.activities) { 17074 for (ActivityIntentInfo filter : a.intents) { 17075 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 17076 if (DEBUG_DOMAIN_VERIFICATION) { 17077 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 17078 } 17079 needToVerify = true; 17080 break; 17081 } 17082 } 17083 } 17084 17085 if (needToVerify) { 17086 final int verificationId = mIntentFilterVerificationToken++; 17087 for (PackageParser.Activity a : pkg.activities) { 17088 for (ActivityIntentInfo filter : a.intents) { 17089 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 17090 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17091 "Verification needed for IntentFilter:" + filter.toString()); 17092 mIntentFilterVerifier.addOneIntentFilterVerification( 17093 verifierUid, userId, verificationId, filter, packageName); 17094 count++; 17095 } 17096 } 17097 } 17098 } 17099 } 17100 17101 if (count > 0) { 17102 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 17103 + " IntentFilter verification" + (count > 1 ? "s" : "") 17104 + " for userId:" + userId); 17105 mIntentFilterVerifier.startVerifications(userId); 17106 } else { 17107 if (DEBUG_DOMAIN_VERIFICATION) { 17108 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 17109 } 17110 } 17111 } 17112 17113 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 17114 final ComponentName cn = filter.activity.getComponentName(); 17115 final String packageName = cn.getPackageName(); 17116 17117 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 17118 packageName); 17119 if (ivi == null) { 17120 return true; 17121 } 17122 int status = ivi.getStatus(); 17123 switch (status) { 17124 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 17125 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 17126 return true; 17127 17128 default: 17129 // Nothing to do 17130 return false; 17131 } 17132 } 17133 17134 private static boolean isMultiArch(ApplicationInfo info) { 17135 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 17136 } 17137 17138 private static boolean isExternal(PackageParser.Package pkg) { 17139 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17140 } 17141 17142 private static boolean isExternal(PackageSetting ps) { 17143 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17144 } 17145 17146 private static boolean isSystemApp(PackageParser.Package pkg) { 17147 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 17148 } 17149 17150 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 17151 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 17152 } 17153 17154 private static boolean hasDomainURLs(PackageParser.Package pkg) { 17155 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 17156 } 17157 17158 private static boolean isSystemApp(PackageSetting ps) { 17159 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 17160 } 17161 17162 private static boolean isUpdatedSystemApp(PackageSetting ps) { 17163 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 17164 } 17165 17166 private int packageFlagsToInstallFlags(PackageSetting ps) { 17167 int installFlags = 0; 17168 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 17169 // This existing package was an external ASEC install when we have 17170 // the external flag without a UUID 17171 installFlags |= PackageManager.INSTALL_EXTERNAL; 17172 } 17173 if (ps.isForwardLocked()) { 17174 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 17175 } 17176 return installFlags; 17177 } 17178 17179 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 17180 if (isExternal(pkg)) { 17181 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17182 return StorageManager.UUID_PRIMARY_PHYSICAL; 17183 } else { 17184 return pkg.volumeUuid; 17185 } 17186 } else { 17187 return StorageManager.UUID_PRIVATE_INTERNAL; 17188 } 17189 } 17190 17191 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 17192 if (isExternal(pkg)) { 17193 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17194 return mSettings.getExternalVersion(); 17195 } else { 17196 return mSettings.findOrCreateVersion(pkg.volumeUuid); 17197 } 17198 } else { 17199 return mSettings.getInternalVersion(); 17200 } 17201 } 17202 17203 private void deleteTempPackageFiles() { 17204 final FilenameFilter filter = new FilenameFilter() { 17205 public boolean accept(File dir, String name) { 17206 return name.startsWith("vmdl") && name.endsWith(".tmp"); 17207 } 17208 }; 17209 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 17210 file.delete(); 17211 } 17212 } 17213 17214 @Override 17215 public void deletePackageAsUser(String packageName, int versionCode, 17216 IPackageDeleteObserver observer, int userId, int flags) { 17217 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 17218 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 17219 } 17220 17221 @Override 17222 public void deletePackageVersioned(VersionedPackage versionedPackage, 17223 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 17224 mContext.enforceCallingOrSelfPermission( 17225 android.Manifest.permission.DELETE_PACKAGES, null); 17226 Preconditions.checkNotNull(versionedPackage); 17227 Preconditions.checkNotNull(observer); 17228 Preconditions.checkArgumentInRange(versionedPackage.getVersionCode(), 17229 PackageManager.VERSION_CODE_HIGHEST, 17230 Integer.MAX_VALUE, "versionCode must be >= -1"); 17231 17232 final String packageName = versionedPackage.getPackageName(); 17233 // TODO: We will change version code to long, so in the new API it is long 17234 final int versionCode = (int) versionedPackage.getVersionCode(); 17235 final String internalPackageName; 17236 synchronized (mPackages) { 17237 // Normalize package name to handle renamed packages and static libs 17238 internalPackageName = resolveInternalPackageNameLPr(versionedPackage.getPackageName(), 17239 // TODO: We will change version code to long, so in the new API it is long 17240 (int) versionedPackage.getVersionCode()); 17241 } 17242 17243 final int uid = Binder.getCallingUid(); 17244 if (!isOrphaned(internalPackageName) 17245 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 17246 try { 17247 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 17248 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 17249 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 17250 observer.onUserActionRequired(intent); 17251 } catch (RemoteException re) { 17252 } 17253 return; 17254 } 17255 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 17256 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 17257 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 17258 mContext.enforceCallingOrSelfPermission( 17259 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 17260 "deletePackage for user " + userId); 17261 } 17262 17263 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 17264 try { 17265 observer.onPackageDeleted(packageName, 17266 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 17267 } catch (RemoteException re) { 17268 } 17269 return; 17270 } 17271 17272 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 17273 try { 17274 observer.onPackageDeleted(packageName, 17275 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 17276 } catch (RemoteException re) { 17277 } 17278 return; 17279 } 17280 17281 if (DEBUG_REMOVE) { 17282 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 17283 + " deleteAllUsers: " + deleteAllUsers + " version=" 17284 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 17285 ? "VERSION_CODE_HIGHEST" : versionCode)); 17286 } 17287 // Queue up an async operation since the package deletion may take a little while. 17288 mHandler.post(new Runnable() { 17289 public void run() { 17290 mHandler.removeCallbacks(this); 17291 int returnCode; 17292 if (!deleteAllUsers) { 17293 returnCode = deletePackageX(internalPackageName, versionCode, 17294 userId, deleteFlags); 17295 } else { 17296 int[] blockUninstallUserIds = getBlockUninstallForUsers( 17297 internalPackageName, users); 17298 // If nobody is blocking uninstall, proceed with delete for all users 17299 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 17300 returnCode = deletePackageX(internalPackageName, versionCode, 17301 userId, deleteFlags); 17302 } else { 17303 // Otherwise uninstall individually for users with blockUninstalls=false 17304 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 17305 for (int userId : users) { 17306 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 17307 returnCode = deletePackageX(internalPackageName, versionCode, 17308 userId, userFlags); 17309 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 17310 Slog.w(TAG, "Package delete failed for user " + userId 17311 + ", returnCode " + returnCode); 17312 } 17313 } 17314 } 17315 // The app has only been marked uninstalled for certain users. 17316 // We still need to report that delete was blocked 17317 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 17318 } 17319 } 17320 try { 17321 observer.onPackageDeleted(packageName, returnCode, null); 17322 } catch (RemoteException e) { 17323 Log.i(TAG, "Observer no longer exists."); 17324 } //end catch 17325 } //end run 17326 }); 17327 } 17328 17329 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 17330 if (pkg.staticSharedLibName != null) { 17331 return pkg.manifestPackageName; 17332 } 17333 return pkg.packageName; 17334 } 17335 17336 private String resolveInternalPackageNameLPr(String packageName, int versionCode) { 17337 // Handle renamed packages 17338 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 17339 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 17340 17341 // Is this a static library? 17342 SparseArray<SharedLibraryEntry> versionedLib = 17343 mStaticLibsByDeclaringPackage.get(packageName); 17344 if (versionedLib == null || versionedLib.size() <= 0) { 17345 return packageName; 17346 } 17347 17348 // Figure out which lib versions the caller can see 17349 SparseIntArray versionsCallerCanSee = null; 17350 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 17351 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 17352 && callingAppId != Process.ROOT_UID) { 17353 versionsCallerCanSee = new SparseIntArray(); 17354 String libName = versionedLib.valueAt(0).info.getName(); 17355 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 17356 if (uidPackages != null) { 17357 for (String uidPackage : uidPackages) { 17358 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 17359 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 17360 if (libIdx >= 0) { 17361 final int libVersion = ps.usesStaticLibrariesVersions[libIdx]; 17362 versionsCallerCanSee.append(libVersion, libVersion); 17363 } 17364 } 17365 } 17366 } 17367 17368 // Caller can see nothing - done 17369 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 17370 return packageName; 17371 } 17372 17373 // Find the version the caller can see and the app version code 17374 SharedLibraryEntry highestVersion = null; 17375 final int versionCount = versionedLib.size(); 17376 for (int i = 0; i < versionCount; i++) { 17377 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 17378 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 17379 libEntry.info.getVersion()) < 0) { 17380 continue; 17381 } 17382 // TODO: We will change version code to long, so in the new API it is long 17383 final int libVersionCode = (int) libEntry.info.getDeclaringPackage().getVersionCode(); 17384 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 17385 if (libVersionCode == versionCode) { 17386 return libEntry.apk; 17387 } 17388 } else if (highestVersion == null) { 17389 highestVersion = libEntry; 17390 } else if (libVersionCode > highestVersion.info 17391 .getDeclaringPackage().getVersionCode()) { 17392 highestVersion = libEntry; 17393 } 17394 } 17395 17396 if (highestVersion != null) { 17397 return highestVersion.apk; 17398 } 17399 17400 return packageName; 17401 } 17402 17403 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 17404 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 17405 || callingUid == Process.SYSTEM_UID) { 17406 return true; 17407 } 17408 final int callingUserId = UserHandle.getUserId(callingUid); 17409 // If the caller installed the pkgName, then allow it to silently uninstall. 17410 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 17411 return true; 17412 } 17413 17414 // Allow package verifier to silently uninstall. 17415 if (mRequiredVerifierPackage != null && 17416 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 17417 return true; 17418 } 17419 17420 // Allow package uninstaller to silently uninstall. 17421 if (mRequiredUninstallerPackage != null && 17422 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 17423 return true; 17424 } 17425 17426 // Allow storage manager to silently uninstall. 17427 if (mStorageManagerPackage != null && 17428 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 17429 return true; 17430 } 17431 return false; 17432 } 17433 17434 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 17435 int[] result = EMPTY_INT_ARRAY; 17436 for (int userId : userIds) { 17437 if (getBlockUninstallForUser(packageName, userId)) { 17438 result = ArrayUtils.appendInt(result, userId); 17439 } 17440 } 17441 return result; 17442 } 17443 17444 @Override 17445 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 17446 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 17447 } 17448 17449 private boolean isPackageDeviceAdmin(String packageName, int userId) { 17450 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 17451 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 17452 try { 17453 if (dpm != null) { 17454 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 17455 /* callingUserOnly =*/ false); 17456 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 17457 : deviceOwnerComponentName.getPackageName(); 17458 // Does the package contains the device owner? 17459 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 17460 // this check is probably not needed, since DO should be registered as a device 17461 // admin on some user too. (Original bug for this: b/17657954) 17462 if (packageName.equals(deviceOwnerPackageName)) { 17463 return true; 17464 } 17465 // Does it contain a device admin for any user? 17466 int[] users; 17467 if (userId == UserHandle.USER_ALL) { 17468 users = sUserManager.getUserIds(); 17469 } else { 17470 users = new int[]{userId}; 17471 } 17472 for (int i = 0; i < users.length; ++i) { 17473 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 17474 return true; 17475 } 17476 } 17477 } 17478 } catch (RemoteException e) { 17479 } 17480 return false; 17481 } 17482 17483 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 17484 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 17485 } 17486 17487 /** 17488 * This method is an internal method that could be get invoked either 17489 * to delete an installed package or to clean up a failed installation. 17490 * After deleting an installed package, a broadcast is sent to notify any 17491 * listeners that the package has been removed. For cleaning up a failed 17492 * installation, the broadcast is not necessary since the package's 17493 * installation wouldn't have sent the initial broadcast either 17494 * The key steps in deleting a package are 17495 * deleting the package information in internal structures like mPackages, 17496 * deleting the packages base directories through installd 17497 * updating mSettings to reflect current status 17498 * persisting settings for later use 17499 * sending a broadcast if necessary 17500 */ 17501 private int deletePackageX(String packageName, int versionCode, int userId, int deleteFlags) { 17502 final PackageRemovedInfo info = new PackageRemovedInfo(); 17503 final boolean res; 17504 17505 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 17506 ? UserHandle.USER_ALL : userId; 17507 17508 if (isPackageDeviceAdmin(packageName, removeUser)) { 17509 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 17510 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 17511 } 17512 17513 PackageSetting uninstalledPs = null; 17514 17515 // for the uninstall-updates case and restricted profiles, remember the per- 17516 // user handle installed state 17517 int[] allUsers; 17518 synchronized (mPackages) { 17519 uninstalledPs = mSettings.mPackages.get(packageName); 17520 if (uninstalledPs == null) { 17521 Slog.w(TAG, "Not removing non-existent package " + packageName); 17522 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17523 } 17524 17525 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 17526 && uninstalledPs.versionCode != versionCode) { 17527 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 17528 + uninstalledPs.versionCode + " != " + versionCode); 17529 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17530 } 17531 17532 // Static shared libs can be declared by any package, so let us not 17533 // allow removing a package if it provides a lib others depend on. 17534 PackageParser.Package pkg = mPackages.get(packageName); 17535 if (pkg != null && pkg.staticSharedLibName != null) { 17536 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 17537 pkg.staticSharedLibVersion); 17538 if (libEntry != null) { 17539 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 17540 libEntry.info, 0, userId); 17541 if (!ArrayUtils.isEmpty(libClientPackages)) { 17542 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 17543 + " hosting lib " + libEntry.info.getName() + " version " 17544 + libEntry.info.getVersion() + " used by " + libClientPackages); 17545 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 17546 } 17547 } 17548 } 17549 17550 allUsers = sUserManager.getUserIds(); 17551 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 17552 } 17553 17554 final int freezeUser; 17555 if (isUpdatedSystemApp(uninstalledPs) 17556 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 17557 // We're downgrading a system app, which will apply to all users, so 17558 // freeze them all during the downgrade 17559 freezeUser = UserHandle.USER_ALL; 17560 } else { 17561 freezeUser = removeUser; 17562 } 17563 17564 synchronized (mInstallLock) { 17565 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 17566 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 17567 deleteFlags, "deletePackageX")) { 17568 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 17569 deleteFlags | FLAGS_REMOVE_CHATTY, info, true, null); 17570 } 17571 synchronized (mPackages) { 17572 if (res) { 17573 mInstantAppRegistry.onPackageUninstalledLPw(uninstalledPs.pkg, 17574 info.removedUsers); 17575 updateSequenceNumberLP(packageName, info.removedUsers); 17576 } 17577 } 17578 } 17579 17580 if (res) { 17581 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 17582 info.sendPackageRemovedBroadcasts(killApp); 17583 info.sendSystemPackageUpdatedBroadcasts(); 17584 info.sendSystemPackageAppearedBroadcasts(); 17585 } 17586 // Force a gc here. 17587 Runtime.getRuntime().gc(); 17588 // Delete the resources here after sending the broadcast to let 17589 // other processes clean up before deleting resources. 17590 if (info.args != null) { 17591 synchronized (mInstallLock) { 17592 info.args.doPostDeleteLI(true); 17593 } 17594 } 17595 17596 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17597 } 17598 17599 class PackageRemovedInfo { 17600 String removedPackage; 17601 int uid = -1; 17602 int removedAppId = -1; 17603 int[] origUsers; 17604 int[] removedUsers = null; 17605 SparseArray<Integer> installReasons; 17606 boolean isRemovedPackageSystemUpdate = false; 17607 boolean isUpdate; 17608 boolean dataRemoved; 17609 boolean removedForAllUsers; 17610 boolean isStaticSharedLib; 17611 // Clean up resources deleted packages. 17612 InstallArgs args = null; 17613 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 17614 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 17615 17616 void sendPackageRemovedBroadcasts(boolean killApp) { 17617 sendPackageRemovedBroadcastInternal(killApp); 17618 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 17619 for (int i = 0; i < childCount; i++) { 17620 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17621 childInfo.sendPackageRemovedBroadcastInternal(killApp); 17622 } 17623 } 17624 17625 void sendSystemPackageUpdatedBroadcasts() { 17626 if (isRemovedPackageSystemUpdate) { 17627 sendSystemPackageUpdatedBroadcastsInternal(); 17628 final int childCount = (removedChildPackages != null) 17629 ? removedChildPackages.size() : 0; 17630 for (int i = 0; i < childCount; i++) { 17631 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17632 if (childInfo.isRemovedPackageSystemUpdate) { 17633 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 17634 } 17635 } 17636 } 17637 } 17638 17639 void sendSystemPackageAppearedBroadcasts() { 17640 final int packageCount = (appearedChildPackages != null) 17641 ? appearedChildPackages.size() : 0; 17642 for (int i = 0; i < packageCount; i++) { 17643 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 17644 sendPackageAddedForNewUsers(installedInfo.name, true, 17645 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers); 17646 } 17647 } 17648 17649 private void sendSystemPackageUpdatedBroadcastsInternal() { 17650 Bundle extras = new Bundle(2); 17651 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17652 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17653 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 17654 extras, 0, null, null, null); 17655 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 17656 extras, 0, null, null, null); 17657 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 17658 null, 0, removedPackage, null, null); 17659 } 17660 17661 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 17662 // Don't send static shared library removal broadcasts as these 17663 // libs are visible only the the apps that depend on them an one 17664 // cannot remove the library if it has a dependency. 17665 if (isStaticSharedLib) { 17666 return; 17667 } 17668 Bundle extras = new Bundle(2); 17669 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17670 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 17671 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 17672 if (isUpdate || isRemovedPackageSystemUpdate) { 17673 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17674 } 17675 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 17676 if (removedPackage != null) { 17677 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 17678 extras, 0, null, null, removedUsers); 17679 if (dataRemoved && !isRemovedPackageSystemUpdate) { 17680 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 17681 removedPackage, extras, Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 17682 null, null, removedUsers); 17683 } 17684 } 17685 if (removedAppId >= 0) { 17686 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 17687 removedUsers); 17688 } 17689 } 17690 } 17691 17692 /* 17693 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 17694 * flag is not set, the data directory is removed as well. 17695 * make sure this flag is set for partially installed apps. If not its meaningless to 17696 * delete a partially installed application. 17697 */ 17698 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 17699 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 17700 String packageName = ps.name; 17701 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 17702 // Retrieve object to delete permissions for shared user later on 17703 final PackageParser.Package deletedPkg; 17704 final PackageSetting deletedPs; 17705 // reader 17706 synchronized (mPackages) { 17707 deletedPkg = mPackages.get(packageName); 17708 deletedPs = mSettings.mPackages.get(packageName); 17709 if (outInfo != null) { 17710 outInfo.removedPackage = packageName; 17711 outInfo.isStaticSharedLib = deletedPkg != null 17712 && deletedPkg.staticSharedLibName != null; 17713 outInfo.removedUsers = deletedPs != null 17714 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 17715 : null; 17716 } 17717 } 17718 17719 removePackageLI(ps, (flags & FLAGS_REMOVE_CHATTY) != 0); 17720 17721 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 17722 final PackageParser.Package resolvedPkg; 17723 if (deletedPkg != null) { 17724 resolvedPkg = deletedPkg; 17725 } else { 17726 // We don't have a parsed package when it lives on an ejected 17727 // adopted storage device, so fake something together 17728 resolvedPkg = new PackageParser.Package(ps.name); 17729 resolvedPkg.setVolumeUuid(ps.volumeUuid); 17730 } 17731 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 17732 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17733 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 17734 if (outInfo != null) { 17735 outInfo.dataRemoved = true; 17736 } 17737 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 17738 } 17739 17740 int removedAppId = -1; 17741 17742 // writer 17743 synchronized (mPackages) { 17744 boolean installedStateChanged = false; 17745 if (deletedPs != null) { 17746 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 17747 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 17748 clearDefaultBrowserIfNeeded(packageName); 17749 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 17750 removedAppId = mSettings.removePackageLPw(packageName); 17751 if (outInfo != null) { 17752 outInfo.removedAppId = removedAppId; 17753 } 17754 updatePermissionsLPw(deletedPs.name, null, 0); 17755 if (deletedPs.sharedUser != null) { 17756 // Remove permissions associated with package. Since runtime 17757 // permissions are per user we have to kill the removed package 17758 // or packages running under the shared user of the removed 17759 // package if revoking the permissions requested only by the removed 17760 // package is successful and this causes a change in gids. 17761 for (int userId : UserManagerService.getInstance().getUserIds()) { 17762 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 17763 userId); 17764 if (userIdToKill == UserHandle.USER_ALL 17765 || userIdToKill >= UserHandle.USER_SYSTEM) { 17766 // If gids changed for this user, kill all affected packages. 17767 mHandler.post(new Runnable() { 17768 @Override 17769 public void run() { 17770 // This has to happen with no lock held. 17771 killApplication(deletedPs.name, deletedPs.appId, 17772 KILL_APP_REASON_GIDS_CHANGED); 17773 } 17774 }); 17775 break; 17776 } 17777 } 17778 } 17779 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 17780 } 17781 // make sure to preserve per-user disabled state if this removal was just 17782 // a downgrade of a system app to the factory package 17783 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 17784 if (DEBUG_REMOVE) { 17785 Slog.d(TAG, "Propagating install state across downgrade"); 17786 } 17787 for (int userId : allUserHandles) { 17788 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17789 if (DEBUG_REMOVE) { 17790 Slog.d(TAG, " user " + userId + " => " + installed); 17791 } 17792 if (installed != ps.getInstalled(userId)) { 17793 installedStateChanged = true; 17794 } 17795 ps.setInstalled(installed, userId); 17796 } 17797 } 17798 } 17799 // can downgrade to reader 17800 if (writeSettings) { 17801 // Save settings now 17802 mSettings.writeLPr(); 17803 } 17804 if (installedStateChanged) { 17805 mSettings.writeKernelMappingLPr(ps); 17806 } 17807 } 17808 if (removedAppId != -1) { 17809 // A user ID was deleted here. Go through all users and remove it 17810 // from KeyStore. 17811 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 17812 } 17813 } 17814 17815 static boolean locationIsPrivileged(File path) { 17816 try { 17817 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 17818 .getCanonicalPath(); 17819 return path.getCanonicalPath().startsWith(privilegedAppDir); 17820 } catch (IOException e) { 17821 Slog.e(TAG, "Unable to access code path " + path); 17822 } 17823 return false; 17824 } 17825 17826 /* 17827 * Tries to delete system package. 17828 */ 17829 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 17830 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 17831 boolean writeSettings) { 17832 if (deletedPs.parentPackageName != null) { 17833 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 17834 return false; 17835 } 17836 17837 final boolean applyUserRestrictions 17838 = (allUserHandles != null) && (outInfo.origUsers != null); 17839 final PackageSetting disabledPs; 17840 // Confirm if the system package has been updated 17841 // An updated system app can be deleted. This will also have to restore 17842 // the system pkg from system partition 17843 // reader 17844 synchronized (mPackages) { 17845 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 17846 } 17847 17848 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 17849 + " disabledPs=" + disabledPs); 17850 17851 if (disabledPs == null) { 17852 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 17853 return false; 17854 } else if (DEBUG_REMOVE) { 17855 Slog.d(TAG, "Deleting system pkg from data partition"); 17856 } 17857 17858 if (DEBUG_REMOVE) { 17859 if (applyUserRestrictions) { 17860 Slog.d(TAG, "Remembering install states:"); 17861 for (int userId : allUserHandles) { 17862 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 17863 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 17864 } 17865 } 17866 } 17867 17868 // Delete the updated package 17869 outInfo.isRemovedPackageSystemUpdate = true; 17870 if (outInfo.removedChildPackages != null) { 17871 final int childCount = (deletedPs.childPackageNames != null) 17872 ? deletedPs.childPackageNames.size() : 0; 17873 for (int i = 0; i < childCount; i++) { 17874 String childPackageName = deletedPs.childPackageNames.get(i); 17875 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 17876 .contains(childPackageName)) { 17877 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17878 childPackageName); 17879 if (childInfo != null) { 17880 childInfo.isRemovedPackageSystemUpdate = true; 17881 } 17882 } 17883 } 17884 } 17885 17886 if (disabledPs.versionCode < deletedPs.versionCode) { 17887 // Delete data for downgrades 17888 flags &= ~PackageManager.DELETE_KEEP_DATA; 17889 } else { 17890 // Preserve data by setting flag 17891 flags |= PackageManager.DELETE_KEEP_DATA; 17892 } 17893 17894 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 17895 outInfo, writeSettings, disabledPs.pkg); 17896 if (!ret) { 17897 return false; 17898 } 17899 17900 // writer 17901 synchronized (mPackages) { 17902 // Reinstate the old system package 17903 enableSystemPackageLPw(disabledPs.pkg); 17904 // Remove any native libraries from the upgraded package. 17905 removeNativeBinariesLI(deletedPs); 17906 } 17907 17908 // Install the system package 17909 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 17910 int parseFlags = mDefParseFlags 17911 | PackageParser.PARSE_MUST_BE_APK 17912 | PackageParser.PARSE_IS_SYSTEM 17913 | PackageParser.PARSE_IS_SYSTEM_DIR; 17914 if (locationIsPrivileged(disabledPs.codePath)) { 17915 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 17916 } 17917 17918 final PackageParser.Package newPkg; 17919 try { 17920 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 17921 0 /* currentTime */, null); 17922 } catch (PackageManagerException e) { 17923 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 17924 + e.getMessage()); 17925 return false; 17926 } 17927 17928 try { 17929 // update shared libraries for the newly re-installed system package 17930 updateSharedLibrariesLPr(newPkg, null); 17931 } catch (PackageManagerException e) { 17932 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 17933 } 17934 17935 prepareAppDataAfterInstallLIF(newPkg); 17936 17937 // writer 17938 synchronized (mPackages) { 17939 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 17940 17941 // Propagate the permissions state as we do not want to drop on the floor 17942 // runtime permissions. The update permissions method below will take 17943 // care of removing obsolete permissions and grant install permissions. 17944 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 17945 updatePermissionsLPw(newPkg.packageName, newPkg, 17946 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 17947 17948 if (applyUserRestrictions) { 17949 boolean installedStateChanged = false; 17950 if (DEBUG_REMOVE) { 17951 Slog.d(TAG, "Propagating install state across reinstall"); 17952 } 17953 for (int userId : allUserHandles) { 17954 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17955 if (DEBUG_REMOVE) { 17956 Slog.d(TAG, " user " + userId + " => " + installed); 17957 } 17958 if (installed != ps.getInstalled(userId)) { 17959 installedStateChanged = true; 17960 } 17961 ps.setInstalled(installed, userId); 17962 17963 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17964 } 17965 // Regardless of writeSettings we need to ensure that this restriction 17966 // state propagation is persisted 17967 mSettings.writeAllUsersPackageRestrictionsLPr(); 17968 if (installedStateChanged) { 17969 mSettings.writeKernelMappingLPr(ps); 17970 } 17971 } 17972 // can downgrade to reader here 17973 if (writeSettings) { 17974 mSettings.writeLPr(); 17975 } 17976 } 17977 return true; 17978 } 17979 17980 private boolean deleteInstalledPackageLIF(PackageSetting ps, 17981 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 17982 PackageRemovedInfo outInfo, boolean writeSettings, 17983 PackageParser.Package replacingPackage) { 17984 synchronized (mPackages) { 17985 if (outInfo != null) { 17986 outInfo.uid = ps.appId; 17987 } 17988 17989 if (outInfo != null && outInfo.removedChildPackages != null) { 17990 final int childCount = (ps.childPackageNames != null) 17991 ? ps.childPackageNames.size() : 0; 17992 for (int i = 0; i < childCount; i++) { 17993 String childPackageName = ps.childPackageNames.get(i); 17994 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 17995 if (childPs == null) { 17996 return false; 17997 } 17998 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17999 childPackageName); 18000 if (childInfo != null) { 18001 childInfo.uid = childPs.appId; 18002 } 18003 } 18004 } 18005 } 18006 18007 // Delete package data from internal structures and also remove data if flag is set 18008 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 18009 18010 // Delete the child packages data 18011 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 18012 for (int i = 0; i < childCount; i++) { 18013 PackageSetting childPs; 18014 synchronized (mPackages) { 18015 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 18016 } 18017 if (childPs != null) { 18018 PackageRemovedInfo childOutInfo = (outInfo != null 18019 && outInfo.removedChildPackages != null) 18020 ? outInfo.removedChildPackages.get(childPs.name) : null; 18021 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 18022 && (replacingPackage != null 18023 && !replacingPackage.hasChildPackage(childPs.name)) 18024 ? flags & ~DELETE_KEEP_DATA : flags; 18025 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 18026 deleteFlags, writeSettings); 18027 } 18028 } 18029 18030 // Delete application code and resources only for parent packages 18031 if (ps.parentPackageName == null) { 18032 if (deleteCodeAndResources && (outInfo != null)) { 18033 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 18034 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 18035 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 18036 } 18037 } 18038 18039 return true; 18040 } 18041 18042 @Override 18043 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 18044 int userId) { 18045 mContext.enforceCallingOrSelfPermission( 18046 android.Manifest.permission.DELETE_PACKAGES, null); 18047 synchronized (mPackages) { 18048 PackageSetting ps = mSettings.mPackages.get(packageName); 18049 if (ps == null) { 18050 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 18051 return false; 18052 } 18053 // Cannot block uninstall of static shared libs as they are 18054 // considered a part of the using app (emulating static linking). 18055 // Also static libs are installed always on internal storage. 18056 PackageParser.Package pkg = mPackages.get(packageName); 18057 if (pkg != null && pkg.staticSharedLibName != null) { 18058 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 18059 + " providing static shared library: " + pkg.staticSharedLibName); 18060 return false; 18061 } 18062 if (!ps.getInstalled(userId)) { 18063 // Can't block uninstall for an app that is not installed or enabled. 18064 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 18065 return false; 18066 } 18067 ps.setBlockUninstall(blockUninstall, userId); 18068 mSettings.writePackageRestrictionsLPr(userId); 18069 } 18070 return true; 18071 } 18072 18073 @Override 18074 public boolean getBlockUninstallForUser(String packageName, int userId) { 18075 synchronized (mPackages) { 18076 PackageSetting ps = mSettings.mPackages.get(packageName); 18077 if (ps == null) { 18078 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 18079 return false; 18080 } 18081 return ps.getBlockUninstall(userId); 18082 } 18083 } 18084 18085 @Override 18086 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 18087 int callingUid = Binder.getCallingUid(); 18088 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 18089 throw new SecurityException( 18090 "setRequiredForSystemUser can only be run by the system or root"); 18091 } 18092 synchronized (mPackages) { 18093 PackageSetting ps = mSettings.mPackages.get(packageName); 18094 if (ps == null) { 18095 Log.w(TAG, "Package doesn't exist: " + packageName); 18096 return false; 18097 } 18098 if (systemUserApp) { 18099 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18100 } else { 18101 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18102 } 18103 mSettings.writeLPr(); 18104 } 18105 return true; 18106 } 18107 18108 /* 18109 * This method handles package deletion in general 18110 */ 18111 private boolean deletePackageLIF(String packageName, UserHandle user, 18112 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 18113 PackageRemovedInfo outInfo, boolean writeSettings, 18114 PackageParser.Package replacingPackage) { 18115 if (packageName == null) { 18116 Slog.w(TAG, "Attempt to delete null packageName."); 18117 return false; 18118 } 18119 18120 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 18121 18122 PackageSetting ps; 18123 synchronized (mPackages) { 18124 ps = mSettings.mPackages.get(packageName); 18125 if (ps == null) { 18126 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18127 return false; 18128 } 18129 18130 if (ps.parentPackageName != null && (!isSystemApp(ps) 18131 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 18132 if (DEBUG_REMOVE) { 18133 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 18134 + ((user == null) ? UserHandle.USER_ALL : user)); 18135 } 18136 final int removedUserId = (user != null) ? user.getIdentifier() 18137 : UserHandle.USER_ALL; 18138 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 18139 return false; 18140 } 18141 markPackageUninstalledForUserLPw(ps, user); 18142 scheduleWritePackageRestrictionsLocked(user); 18143 return true; 18144 } 18145 } 18146 18147 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 18148 && user.getIdentifier() != UserHandle.USER_ALL)) { 18149 // The caller is asking that the package only be deleted for a single 18150 // user. To do this, we just mark its uninstalled state and delete 18151 // its data. If this is a system app, we only allow this to happen if 18152 // they have set the special DELETE_SYSTEM_APP which requests different 18153 // semantics than normal for uninstalling system apps. 18154 markPackageUninstalledForUserLPw(ps, user); 18155 18156 if (!isSystemApp(ps)) { 18157 // Do not uninstall the APK if an app should be cached 18158 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 18159 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 18160 // Other user still have this package installed, so all 18161 // we need to do is clear this user's data and save that 18162 // it is uninstalled. 18163 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 18164 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18165 return false; 18166 } 18167 scheduleWritePackageRestrictionsLocked(user); 18168 return true; 18169 } else { 18170 // We need to set it back to 'installed' so the uninstall 18171 // broadcasts will be sent correctly. 18172 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 18173 ps.setInstalled(true, user.getIdentifier()); 18174 mSettings.writeKernelMappingLPr(ps); 18175 } 18176 } else { 18177 // This is a system app, so we assume that the 18178 // other users still have this package installed, so all 18179 // we need to do is clear this user's data and save that 18180 // it is uninstalled. 18181 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 18182 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18183 return false; 18184 } 18185 scheduleWritePackageRestrictionsLocked(user); 18186 return true; 18187 } 18188 } 18189 18190 // If we are deleting a composite package for all users, keep track 18191 // of result for each child. 18192 if (ps.childPackageNames != null && outInfo != null) { 18193 synchronized (mPackages) { 18194 final int childCount = ps.childPackageNames.size(); 18195 outInfo.removedChildPackages = new ArrayMap<>(childCount); 18196 for (int i = 0; i < childCount; i++) { 18197 String childPackageName = ps.childPackageNames.get(i); 18198 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 18199 childInfo.removedPackage = childPackageName; 18200 outInfo.removedChildPackages.put(childPackageName, childInfo); 18201 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18202 if (childPs != null) { 18203 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 18204 } 18205 } 18206 } 18207 } 18208 18209 boolean ret = false; 18210 if (isSystemApp(ps)) { 18211 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 18212 // When an updated system application is deleted we delete the existing resources 18213 // as well and fall back to existing code in system partition 18214 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 18215 } else { 18216 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 18217 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 18218 outInfo, writeSettings, replacingPackage); 18219 } 18220 18221 // Take a note whether we deleted the package for all users 18222 if (outInfo != null) { 18223 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 18224 if (outInfo.removedChildPackages != null) { 18225 synchronized (mPackages) { 18226 final int childCount = outInfo.removedChildPackages.size(); 18227 for (int i = 0; i < childCount; i++) { 18228 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 18229 if (childInfo != null) { 18230 childInfo.removedForAllUsers = mPackages.get( 18231 childInfo.removedPackage) == null; 18232 } 18233 } 18234 } 18235 } 18236 // If we uninstalled an update to a system app there may be some 18237 // child packages that appeared as they are declared in the system 18238 // app but were not declared in the update. 18239 if (isSystemApp(ps)) { 18240 synchronized (mPackages) { 18241 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 18242 final int childCount = (updatedPs.childPackageNames != null) 18243 ? updatedPs.childPackageNames.size() : 0; 18244 for (int i = 0; i < childCount; i++) { 18245 String childPackageName = updatedPs.childPackageNames.get(i); 18246 if (outInfo.removedChildPackages == null 18247 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 18248 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18249 if (childPs == null) { 18250 continue; 18251 } 18252 PackageInstalledInfo installRes = new PackageInstalledInfo(); 18253 installRes.name = childPackageName; 18254 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 18255 installRes.pkg = mPackages.get(childPackageName); 18256 installRes.uid = childPs.pkg.applicationInfo.uid; 18257 if (outInfo.appearedChildPackages == null) { 18258 outInfo.appearedChildPackages = new ArrayMap<>(); 18259 } 18260 outInfo.appearedChildPackages.put(childPackageName, installRes); 18261 } 18262 } 18263 } 18264 } 18265 } 18266 18267 return ret; 18268 } 18269 18270 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 18271 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 18272 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 18273 for (int nextUserId : userIds) { 18274 if (DEBUG_REMOVE) { 18275 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 18276 } 18277 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 18278 false /*installed*/, 18279 true /*stopped*/, 18280 true /*notLaunched*/, 18281 false /*hidden*/, 18282 false /*suspended*/, 18283 false /*instantApp*/, 18284 null /*lastDisableAppCaller*/, 18285 null /*enabledComponents*/, 18286 null /*disabledComponents*/, 18287 false /*blockUninstall*/, 18288 ps.readUserState(nextUserId).domainVerificationStatus, 18289 0, PackageManager.INSTALL_REASON_UNKNOWN); 18290 } 18291 mSettings.writeKernelMappingLPr(ps); 18292 } 18293 18294 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 18295 PackageRemovedInfo outInfo) { 18296 final PackageParser.Package pkg; 18297 synchronized (mPackages) { 18298 pkg = mPackages.get(ps.name); 18299 } 18300 18301 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 18302 : new int[] {userId}; 18303 for (int nextUserId : userIds) { 18304 if (DEBUG_REMOVE) { 18305 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 18306 + nextUserId); 18307 } 18308 18309 destroyAppDataLIF(pkg, userId, 18310 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18311 destroyAppProfilesLIF(pkg, userId); 18312 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 18313 schedulePackageCleaning(ps.name, nextUserId, false); 18314 synchronized (mPackages) { 18315 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 18316 scheduleWritePackageRestrictionsLocked(nextUserId); 18317 } 18318 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 18319 } 18320 } 18321 18322 if (outInfo != null) { 18323 outInfo.removedPackage = ps.name; 18324 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 18325 outInfo.removedAppId = ps.appId; 18326 outInfo.removedUsers = userIds; 18327 } 18328 18329 return true; 18330 } 18331 18332 private final class ClearStorageConnection implements ServiceConnection { 18333 IMediaContainerService mContainerService; 18334 18335 @Override 18336 public void onServiceConnected(ComponentName name, IBinder service) { 18337 synchronized (this) { 18338 mContainerService = IMediaContainerService.Stub 18339 .asInterface(Binder.allowBlocking(service)); 18340 notifyAll(); 18341 } 18342 } 18343 18344 @Override 18345 public void onServiceDisconnected(ComponentName name) { 18346 } 18347 } 18348 18349 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 18350 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 18351 18352 final boolean mounted; 18353 if (Environment.isExternalStorageEmulated()) { 18354 mounted = true; 18355 } else { 18356 final String status = Environment.getExternalStorageState(); 18357 18358 mounted = status.equals(Environment.MEDIA_MOUNTED) 18359 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 18360 } 18361 18362 if (!mounted) { 18363 return; 18364 } 18365 18366 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 18367 int[] users; 18368 if (userId == UserHandle.USER_ALL) { 18369 users = sUserManager.getUserIds(); 18370 } else { 18371 users = new int[] { userId }; 18372 } 18373 final ClearStorageConnection conn = new ClearStorageConnection(); 18374 if (mContext.bindServiceAsUser( 18375 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 18376 try { 18377 for (int curUser : users) { 18378 long timeout = SystemClock.uptimeMillis() + 5000; 18379 synchronized (conn) { 18380 long now; 18381 while (conn.mContainerService == null && 18382 (now = SystemClock.uptimeMillis()) < timeout) { 18383 try { 18384 conn.wait(timeout - now); 18385 } catch (InterruptedException e) { 18386 } 18387 } 18388 } 18389 if (conn.mContainerService == null) { 18390 return; 18391 } 18392 18393 final UserEnvironment userEnv = new UserEnvironment(curUser); 18394 clearDirectory(conn.mContainerService, 18395 userEnv.buildExternalStorageAppCacheDirs(packageName)); 18396 if (allData) { 18397 clearDirectory(conn.mContainerService, 18398 userEnv.buildExternalStorageAppDataDirs(packageName)); 18399 clearDirectory(conn.mContainerService, 18400 userEnv.buildExternalStorageAppMediaDirs(packageName)); 18401 } 18402 } 18403 } finally { 18404 mContext.unbindService(conn); 18405 } 18406 } 18407 } 18408 18409 @Override 18410 public void clearApplicationProfileData(String packageName) { 18411 enforceSystemOrRoot("Only the system can clear all profile data"); 18412 18413 final PackageParser.Package pkg; 18414 synchronized (mPackages) { 18415 pkg = mPackages.get(packageName); 18416 } 18417 18418 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 18419 synchronized (mInstallLock) { 18420 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 18421 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 18422 true /* removeBaseMarker */); 18423 } 18424 } 18425 } 18426 18427 @Override 18428 public void clearApplicationUserData(final String packageName, 18429 final IPackageDataObserver observer, final int userId) { 18430 mContext.enforceCallingOrSelfPermission( 18431 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 18432 18433 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18434 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 18435 18436 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 18437 throw new SecurityException("Cannot clear data for a protected package: " 18438 + packageName); 18439 } 18440 // Queue up an async operation since the package deletion may take a little while. 18441 mHandler.post(new Runnable() { 18442 public void run() { 18443 mHandler.removeCallbacks(this); 18444 final boolean succeeded; 18445 try (PackageFreezer freezer = freezePackage(packageName, 18446 "clearApplicationUserData")) { 18447 synchronized (mInstallLock) { 18448 succeeded = clearApplicationUserDataLIF(packageName, userId); 18449 } 18450 clearExternalStorageDataSync(packageName, userId, true); 18451 synchronized (mPackages) { 18452 mInstantAppRegistry.deleteInstantApplicationMetadataLPw( 18453 packageName, userId); 18454 } 18455 } 18456 if (succeeded) { 18457 // invoke DeviceStorageMonitor's update method to clear any notifications 18458 DeviceStorageMonitorInternal dsm = LocalServices 18459 .getService(DeviceStorageMonitorInternal.class); 18460 if (dsm != null) { 18461 dsm.checkMemory(); 18462 } 18463 } 18464 if(observer != null) { 18465 try { 18466 observer.onRemoveCompleted(packageName, succeeded); 18467 } catch (RemoteException e) { 18468 Log.i(TAG, "Observer no longer exists."); 18469 } 18470 } //end if observer 18471 } //end run 18472 }); 18473 } 18474 18475 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 18476 if (packageName == null) { 18477 Slog.w(TAG, "Attempt to delete null packageName."); 18478 return false; 18479 } 18480 18481 // Try finding details about the requested package 18482 PackageParser.Package pkg; 18483 synchronized (mPackages) { 18484 pkg = mPackages.get(packageName); 18485 if (pkg == null) { 18486 final PackageSetting ps = mSettings.mPackages.get(packageName); 18487 if (ps != null) { 18488 pkg = ps.pkg; 18489 } 18490 } 18491 18492 if (pkg == null) { 18493 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18494 return false; 18495 } 18496 18497 PackageSetting ps = (PackageSetting) pkg.mExtras; 18498 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18499 } 18500 18501 clearAppDataLIF(pkg, userId, 18502 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18503 18504 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18505 removeKeystoreDataIfNeeded(userId, appId); 18506 18507 UserManagerInternal umInternal = getUserManagerInternal(); 18508 final int flags; 18509 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 18510 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18511 } else if (umInternal.isUserRunning(userId)) { 18512 flags = StorageManager.FLAG_STORAGE_DE; 18513 } else { 18514 flags = 0; 18515 } 18516 prepareAppDataContentsLIF(pkg, userId, flags); 18517 18518 return true; 18519 } 18520 18521 /** 18522 * Reverts user permission state changes (permissions and flags) in 18523 * all packages for a given user. 18524 * 18525 * @param userId The device user for which to do a reset. 18526 */ 18527 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 18528 final int packageCount = mPackages.size(); 18529 for (int i = 0; i < packageCount; i++) { 18530 PackageParser.Package pkg = mPackages.valueAt(i); 18531 PackageSetting ps = (PackageSetting) pkg.mExtras; 18532 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18533 } 18534 } 18535 18536 private void resetNetworkPolicies(int userId) { 18537 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 18538 } 18539 18540 /** 18541 * Reverts user permission state changes (permissions and flags). 18542 * 18543 * @param ps The package for which to reset. 18544 * @param userId The device user for which to do a reset. 18545 */ 18546 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 18547 final PackageSetting ps, final int userId) { 18548 if (ps.pkg == null) { 18549 return; 18550 } 18551 18552 // These are flags that can change base on user actions. 18553 final int userSettableMask = FLAG_PERMISSION_USER_SET 18554 | FLAG_PERMISSION_USER_FIXED 18555 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 18556 | FLAG_PERMISSION_REVIEW_REQUIRED; 18557 18558 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 18559 | FLAG_PERMISSION_POLICY_FIXED; 18560 18561 boolean writeInstallPermissions = false; 18562 boolean writeRuntimePermissions = false; 18563 18564 final int permissionCount = ps.pkg.requestedPermissions.size(); 18565 for (int i = 0; i < permissionCount; i++) { 18566 String permission = ps.pkg.requestedPermissions.get(i); 18567 18568 BasePermission bp = mSettings.mPermissions.get(permission); 18569 if (bp == null) { 18570 continue; 18571 } 18572 18573 // If shared user we just reset the state to which only this app contributed. 18574 if (ps.sharedUser != null) { 18575 boolean used = false; 18576 final int packageCount = ps.sharedUser.packages.size(); 18577 for (int j = 0; j < packageCount; j++) { 18578 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 18579 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 18580 && pkg.pkg.requestedPermissions.contains(permission)) { 18581 used = true; 18582 break; 18583 } 18584 } 18585 if (used) { 18586 continue; 18587 } 18588 } 18589 18590 PermissionsState permissionsState = ps.getPermissionsState(); 18591 18592 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 18593 18594 // Always clear the user settable flags. 18595 final boolean hasInstallState = permissionsState.getInstallPermissionState( 18596 bp.name) != null; 18597 // If permission review is enabled and this is a legacy app, mark the 18598 // permission as requiring a review as this is the initial state. 18599 int flags = 0; 18600 if (mPermissionReviewRequired 18601 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 18602 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 18603 } 18604 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 18605 if (hasInstallState) { 18606 writeInstallPermissions = true; 18607 } else { 18608 writeRuntimePermissions = true; 18609 } 18610 } 18611 18612 // Below is only runtime permission handling. 18613 if (!bp.isRuntime()) { 18614 continue; 18615 } 18616 18617 // Never clobber system or policy. 18618 if ((oldFlags & policyOrSystemFlags) != 0) { 18619 continue; 18620 } 18621 18622 // If this permission was granted by default, make sure it is. 18623 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 18624 if (permissionsState.grantRuntimePermission(bp, userId) 18625 != PERMISSION_OPERATION_FAILURE) { 18626 writeRuntimePermissions = true; 18627 } 18628 // If permission review is enabled the permissions for a legacy apps 18629 // are represented as constantly granted runtime ones, so don't revoke. 18630 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 18631 // Otherwise, reset the permission. 18632 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 18633 switch (revokeResult) { 18634 case PERMISSION_OPERATION_SUCCESS: 18635 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 18636 writeRuntimePermissions = true; 18637 final int appId = ps.appId; 18638 mHandler.post(new Runnable() { 18639 @Override 18640 public void run() { 18641 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 18642 } 18643 }); 18644 } break; 18645 } 18646 } 18647 } 18648 18649 // Synchronously write as we are taking permissions away. 18650 if (writeRuntimePermissions) { 18651 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 18652 } 18653 18654 // Synchronously write as we are taking permissions away. 18655 if (writeInstallPermissions) { 18656 mSettings.writeLPr(); 18657 } 18658 } 18659 18660 /** 18661 * Remove entries from the keystore daemon. Will only remove it if the 18662 * {@code appId} is valid. 18663 */ 18664 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 18665 if (appId < 0) { 18666 return; 18667 } 18668 18669 final KeyStore keyStore = KeyStore.getInstance(); 18670 if (keyStore != null) { 18671 if (userId == UserHandle.USER_ALL) { 18672 for (final int individual : sUserManager.getUserIds()) { 18673 keyStore.clearUid(UserHandle.getUid(individual, appId)); 18674 } 18675 } else { 18676 keyStore.clearUid(UserHandle.getUid(userId, appId)); 18677 } 18678 } else { 18679 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 18680 } 18681 } 18682 18683 @Override 18684 public void deleteApplicationCacheFiles(final String packageName, 18685 final IPackageDataObserver observer) { 18686 final int userId = UserHandle.getCallingUserId(); 18687 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 18688 } 18689 18690 @Override 18691 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 18692 final IPackageDataObserver observer) { 18693 mContext.enforceCallingOrSelfPermission( 18694 android.Manifest.permission.DELETE_CACHE_FILES, null); 18695 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18696 /* requireFullPermission= */ true, /* checkShell= */ false, 18697 "delete application cache files"); 18698 18699 final PackageParser.Package pkg; 18700 synchronized (mPackages) { 18701 pkg = mPackages.get(packageName); 18702 } 18703 18704 // Queue up an async operation since the package deletion may take a little while. 18705 mHandler.post(new Runnable() { 18706 public void run() { 18707 synchronized (mInstallLock) { 18708 final int flags = StorageManager.FLAG_STORAGE_DE 18709 | StorageManager.FLAG_STORAGE_CE; 18710 // We're only clearing cache files, so we don't care if the 18711 // app is unfrozen and still able to run 18712 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 18713 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18714 } 18715 clearExternalStorageDataSync(packageName, userId, false); 18716 if (observer != null) { 18717 try { 18718 observer.onRemoveCompleted(packageName, true); 18719 } catch (RemoteException e) { 18720 Log.i(TAG, "Observer no longer exists."); 18721 } 18722 } 18723 } 18724 }); 18725 } 18726 18727 @Override 18728 public void getPackageSizeInfo(final String packageName, int userHandle, 18729 final IPackageStatsObserver observer) { 18730 Slog.w(TAG, "Shame on you for calling a hidden API. Shame!"); 18731 try { 18732 observer.onGetStatsCompleted(null, false); 18733 } catch (Throwable ignored) { 18734 } 18735 } 18736 18737 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 18738 final PackageSetting ps; 18739 synchronized (mPackages) { 18740 ps = mSettings.mPackages.get(packageName); 18741 if (ps == null) { 18742 Slog.w(TAG, "Failed to find settings for " + packageName); 18743 return false; 18744 } 18745 } 18746 18747 final String[] packageNames = { packageName }; 18748 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 18749 final String[] codePaths = { ps.codePathString }; 18750 18751 try { 18752 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 18753 ps.appId, ceDataInodes, codePaths, stats); 18754 18755 // For now, ignore code size of packages on system partition 18756 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 18757 stats.codeSize = 0; 18758 } 18759 18760 // External clients expect these to be tracked separately 18761 stats.dataSize -= stats.cacheSize; 18762 18763 } catch (InstallerException e) { 18764 Slog.w(TAG, String.valueOf(e)); 18765 return false; 18766 } 18767 18768 return true; 18769 } 18770 18771 private int getUidTargetSdkVersionLockedLPr(int uid) { 18772 Object obj = mSettings.getUserIdLPr(uid); 18773 if (obj instanceof SharedUserSetting) { 18774 final SharedUserSetting sus = (SharedUserSetting) obj; 18775 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 18776 final Iterator<PackageSetting> it = sus.packages.iterator(); 18777 while (it.hasNext()) { 18778 final PackageSetting ps = it.next(); 18779 if (ps.pkg != null) { 18780 int v = ps.pkg.applicationInfo.targetSdkVersion; 18781 if (v < vers) vers = v; 18782 } 18783 } 18784 return vers; 18785 } else if (obj instanceof PackageSetting) { 18786 final PackageSetting ps = (PackageSetting) obj; 18787 if (ps.pkg != null) { 18788 return ps.pkg.applicationInfo.targetSdkVersion; 18789 } 18790 } 18791 return Build.VERSION_CODES.CUR_DEVELOPMENT; 18792 } 18793 18794 @Override 18795 public void addPreferredActivity(IntentFilter filter, int match, 18796 ComponentName[] set, ComponentName activity, int userId) { 18797 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18798 "Adding preferred"); 18799 } 18800 18801 private void addPreferredActivityInternal(IntentFilter filter, int match, 18802 ComponentName[] set, ComponentName activity, boolean always, int userId, 18803 String opname) { 18804 // writer 18805 int callingUid = Binder.getCallingUid(); 18806 enforceCrossUserPermission(callingUid, userId, 18807 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 18808 if (filter.countActions() == 0) { 18809 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18810 return; 18811 } 18812 synchronized (mPackages) { 18813 if (mContext.checkCallingOrSelfPermission( 18814 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18815 != PackageManager.PERMISSION_GRANTED) { 18816 if (getUidTargetSdkVersionLockedLPr(callingUid) 18817 < Build.VERSION_CODES.FROYO) { 18818 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 18819 + callingUid); 18820 return; 18821 } 18822 mContext.enforceCallingOrSelfPermission( 18823 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18824 } 18825 18826 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 18827 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 18828 + userId + ":"); 18829 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18830 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 18831 scheduleWritePackageRestrictionsLocked(userId); 18832 postPreferredActivityChangedBroadcast(userId); 18833 } 18834 } 18835 18836 private void postPreferredActivityChangedBroadcast(int userId) { 18837 mHandler.post(() -> { 18838 final IActivityManager am = ActivityManager.getService(); 18839 if (am == null) { 18840 return; 18841 } 18842 18843 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 18844 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18845 try { 18846 am.broadcastIntent(null, intent, null, null, 18847 0, null, null, null, android.app.AppOpsManager.OP_NONE, 18848 null, false, false, userId); 18849 } catch (RemoteException e) { 18850 } 18851 }); 18852 } 18853 18854 @Override 18855 public void replacePreferredActivity(IntentFilter filter, int match, 18856 ComponentName[] set, ComponentName activity, int userId) { 18857 if (filter.countActions() != 1) { 18858 throw new IllegalArgumentException( 18859 "replacePreferredActivity expects filter to have only 1 action."); 18860 } 18861 if (filter.countDataAuthorities() != 0 18862 || filter.countDataPaths() != 0 18863 || filter.countDataSchemes() > 1 18864 || filter.countDataTypes() != 0) { 18865 throw new IllegalArgumentException( 18866 "replacePreferredActivity expects filter to have no data authorities, " + 18867 "paths, or types; and at most one scheme."); 18868 } 18869 18870 final int callingUid = Binder.getCallingUid(); 18871 enforceCrossUserPermission(callingUid, userId, 18872 true /* requireFullPermission */, false /* checkShell */, 18873 "replace preferred activity"); 18874 synchronized (mPackages) { 18875 if (mContext.checkCallingOrSelfPermission( 18876 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18877 != PackageManager.PERMISSION_GRANTED) { 18878 if (getUidTargetSdkVersionLockedLPr(callingUid) 18879 < Build.VERSION_CODES.FROYO) { 18880 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 18881 + Binder.getCallingUid()); 18882 return; 18883 } 18884 mContext.enforceCallingOrSelfPermission( 18885 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18886 } 18887 18888 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18889 if (pir != null) { 18890 // Get all of the existing entries that exactly match this filter. 18891 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 18892 if (existing != null && existing.size() == 1) { 18893 PreferredActivity cur = existing.get(0); 18894 if (DEBUG_PREFERRED) { 18895 Slog.i(TAG, "Checking replace of preferred:"); 18896 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18897 if (!cur.mPref.mAlways) { 18898 Slog.i(TAG, " -- CUR; not mAlways!"); 18899 } else { 18900 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 18901 Slog.i(TAG, " -- CUR: mSet=" 18902 + Arrays.toString(cur.mPref.mSetComponents)); 18903 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 18904 Slog.i(TAG, " -- NEW: mMatch=" 18905 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 18906 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 18907 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 18908 } 18909 } 18910 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 18911 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 18912 && cur.mPref.sameSet(set)) { 18913 // Setting the preferred activity to what it happens to be already 18914 if (DEBUG_PREFERRED) { 18915 Slog.i(TAG, "Replacing with same preferred activity " 18916 + cur.mPref.mShortComponent + " for user " 18917 + userId + ":"); 18918 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18919 } 18920 return; 18921 } 18922 } 18923 18924 if (existing != null) { 18925 if (DEBUG_PREFERRED) { 18926 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 18927 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18928 } 18929 for (int i = 0; i < existing.size(); i++) { 18930 PreferredActivity pa = existing.get(i); 18931 if (DEBUG_PREFERRED) { 18932 Slog.i(TAG, "Removing existing preferred activity " 18933 + pa.mPref.mComponent + ":"); 18934 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 18935 } 18936 pir.removeFilter(pa); 18937 } 18938 } 18939 } 18940 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18941 "Replacing preferred"); 18942 } 18943 } 18944 18945 @Override 18946 public void clearPackagePreferredActivities(String packageName) { 18947 final int uid = Binder.getCallingUid(); 18948 // writer 18949 synchronized (mPackages) { 18950 PackageParser.Package pkg = mPackages.get(packageName); 18951 if (pkg == null || pkg.applicationInfo.uid != uid) { 18952 if (mContext.checkCallingOrSelfPermission( 18953 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18954 != PackageManager.PERMISSION_GRANTED) { 18955 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 18956 < Build.VERSION_CODES.FROYO) { 18957 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 18958 + Binder.getCallingUid()); 18959 return; 18960 } 18961 mContext.enforceCallingOrSelfPermission( 18962 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18963 } 18964 } 18965 18966 int user = UserHandle.getCallingUserId(); 18967 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 18968 scheduleWritePackageRestrictionsLocked(user); 18969 } 18970 } 18971 } 18972 18973 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18974 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 18975 ArrayList<PreferredActivity> removed = null; 18976 boolean changed = false; 18977 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18978 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 18979 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18980 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 18981 continue; 18982 } 18983 Iterator<PreferredActivity> it = pir.filterIterator(); 18984 while (it.hasNext()) { 18985 PreferredActivity pa = it.next(); 18986 // Mark entry for removal only if it matches the package name 18987 // and the entry is of type "always". 18988 if (packageName == null || 18989 (pa.mPref.mComponent.getPackageName().equals(packageName) 18990 && pa.mPref.mAlways)) { 18991 if (removed == null) { 18992 removed = new ArrayList<PreferredActivity>(); 18993 } 18994 removed.add(pa); 18995 } 18996 } 18997 if (removed != null) { 18998 for (int j=0; j<removed.size(); j++) { 18999 PreferredActivity pa = removed.get(j); 19000 pir.removeFilter(pa); 19001 } 19002 changed = true; 19003 } 19004 } 19005 if (changed) { 19006 postPreferredActivityChangedBroadcast(userId); 19007 } 19008 return changed; 19009 } 19010 19011 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19012 private void clearIntentFilterVerificationsLPw(int userId) { 19013 final int packageCount = mPackages.size(); 19014 for (int i = 0; i < packageCount; i++) { 19015 PackageParser.Package pkg = mPackages.valueAt(i); 19016 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 19017 } 19018 } 19019 19020 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19021 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 19022 if (userId == UserHandle.USER_ALL) { 19023 if (mSettings.removeIntentFilterVerificationLPw(packageName, 19024 sUserManager.getUserIds())) { 19025 for (int oneUserId : sUserManager.getUserIds()) { 19026 scheduleWritePackageRestrictionsLocked(oneUserId); 19027 } 19028 } 19029 } else { 19030 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 19031 scheduleWritePackageRestrictionsLocked(userId); 19032 } 19033 } 19034 } 19035 19036 void clearDefaultBrowserIfNeeded(String packageName) { 19037 for (int oneUserId : sUserManager.getUserIds()) { 19038 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 19039 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 19040 if (packageName.equals(defaultBrowserPackageName)) { 19041 setDefaultBrowserPackageName(null, oneUserId); 19042 } 19043 } 19044 } 19045 19046 @Override 19047 public void resetApplicationPreferences(int userId) { 19048 mContext.enforceCallingOrSelfPermission( 19049 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19050 final long identity = Binder.clearCallingIdentity(); 19051 // writer 19052 try { 19053 synchronized (mPackages) { 19054 clearPackagePreferredActivitiesLPw(null, userId); 19055 mSettings.applyDefaultPreferredAppsLPw(this, userId); 19056 // TODO: We have to reset the default SMS and Phone. This requires 19057 // significant refactoring to keep all default apps in the package 19058 // manager (cleaner but more work) or have the services provide 19059 // callbacks to the package manager to request a default app reset. 19060 applyFactoryDefaultBrowserLPw(userId); 19061 clearIntentFilterVerificationsLPw(userId); 19062 primeDomainVerificationsLPw(userId); 19063 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 19064 scheduleWritePackageRestrictionsLocked(userId); 19065 } 19066 resetNetworkPolicies(userId); 19067 } finally { 19068 Binder.restoreCallingIdentity(identity); 19069 } 19070 } 19071 19072 @Override 19073 public int getPreferredActivities(List<IntentFilter> outFilters, 19074 List<ComponentName> outActivities, String packageName) { 19075 19076 int num = 0; 19077 final int userId = UserHandle.getCallingUserId(); 19078 // reader 19079 synchronized (mPackages) { 19080 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 19081 if (pir != null) { 19082 final Iterator<PreferredActivity> it = pir.filterIterator(); 19083 while (it.hasNext()) { 19084 final PreferredActivity pa = it.next(); 19085 if (packageName == null 19086 || (pa.mPref.mComponent.getPackageName().equals(packageName) 19087 && pa.mPref.mAlways)) { 19088 if (outFilters != null) { 19089 outFilters.add(new IntentFilter(pa)); 19090 } 19091 if (outActivities != null) { 19092 outActivities.add(pa.mPref.mComponent); 19093 } 19094 } 19095 } 19096 } 19097 } 19098 19099 return num; 19100 } 19101 19102 @Override 19103 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 19104 int userId) { 19105 int callingUid = Binder.getCallingUid(); 19106 if (callingUid != Process.SYSTEM_UID) { 19107 throw new SecurityException( 19108 "addPersistentPreferredActivity can only be run by the system"); 19109 } 19110 if (filter.countActions() == 0) { 19111 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 19112 return; 19113 } 19114 synchronized (mPackages) { 19115 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 19116 ":"); 19117 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19118 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 19119 new PersistentPreferredActivity(filter, activity)); 19120 scheduleWritePackageRestrictionsLocked(userId); 19121 postPreferredActivityChangedBroadcast(userId); 19122 } 19123 } 19124 19125 @Override 19126 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 19127 int callingUid = Binder.getCallingUid(); 19128 if (callingUid != Process.SYSTEM_UID) { 19129 throw new SecurityException( 19130 "clearPackagePersistentPreferredActivities can only be run by the system"); 19131 } 19132 ArrayList<PersistentPreferredActivity> removed = null; 19133 boolean changed = false; 19134 synchronized (mPackages) { 19135 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 19136 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 19137 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 19138 .valueAt(i); 19139 if (userId != thisUserId) { 19140 continue; 19141 } 19142 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 19143 while (it.hasNext()) { 19144 PersistentPreferredActivity ppa = it.next(); 19145 // Mark entry for removal only if it matches the package name. 19146 if (ppa.mComponent.getPackageName().equals(packageName)) { 19147 if (removed == null) { 19148 removed = new ArrayList<PersistentPreferredActivity>(); 19149 } 19150 removed.add(ppa); 19151 } 19152 } 19153 if (removed != null) { 19154 for (int j=0; j<removed.size(); j++) { 19155 PersistentPreferredActivity ppa = removed.get(j); 19156 ppir.removeFilter(ppa); 19157 } 19158 changed = true; 19159 } 19160 } 19161 19162 if (changed) { 19163 scheduleWritePackageRestrictionsLocked(userId); 19164 postPreferredActivityChangedBroadcast(userId); 19165 } 19166 } 19167 } 19168 19169 /** 19170 * Common machinery for picking apart a restored XML blob and passing 19171 * it to a caller-supplied functor to be applied to the running system. 19172 */ 19173 private void restoreFromXml(XmlPullParser parser, int userId, 19174 String expectedStartTag, BlobXmlRestorer functor) 19175 throws IOException, XmlPullParserException { 19176 int type; 19177 while ((type = parser.next()) != XmlPullParser.START_TAG 19178 && type != XmlPullParser.END_DOCUMENT) { 19179 } 19180 if (type != XmlPullParser.START_TAG) { 19181 // oops didn't find a start tag?! 19182 if (DEBUG_BACKUP) { 19183 Slog.e(TAG, "Didn't find start tag during restore"); 19184 } 19185 return; 19186 } 19187Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 19188 // this is supposed to be TAG_PREFERRED_BACKUP 19189 if (!expectedStartTag.equals(parser.getName())) { 19190 if (DEBUG_BACKUP) { 19191 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 19192 } 19193 return; 19194 } 19195 19196 // skip interfering stuff, then we're aligned with the backing implementation 19197 while ((type = parser.next()) == XmlPullParser.TEXT) { } 19198Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 19199 functor.apply(parser, userId); 19200 } 19201 19202 private interface BlobXmlRestorer { 19203 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 19204 } 19205 19206 /** 19207 * Non-Binder method, support for the backup/restore mechanism: write the 19208 * full set of preferred activities in its canonical XML format. Returns the 19209 * XML output as a byte array, or null if there is none. 19210 */ 19211 @Override 19212 public byte[] getPreferredActivityBackup(int userId) { 19213 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19214 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 19215 } 19216 19217 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19218 try { 19219 final XmlSerializer serializer = new FastXmlSerializer(); 19220 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19221 serializer.startDocument(null, true); 19222 serializer.startTag(null, TAG_PREFERRED_BACKUP); 19223 19224 synchronized (mPackages) { 19225 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 19226 } 19227 19228 serializer.endTag(null, TAG_PREFERRED_BACKUP); 19229 serializer.endDocument(); 19230 serializer.flush(); 19231 } catch (Exception e) { 19232 if (DEBUG_BACKUP) { 19233 Slog.e(TAG, "Unable to write preferred activities for backup", e); 19234 } 19235 return null; 19236 } 19237 19238 return dataStream.toByteArray(); 19239 } 19240 19241 @Override 19242 public void restorePreferredActivities(byte[] backup, int userId) { 19243 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19244 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19245 } 19246 19247 try { 19248 final XmlPullParser parser = Xml.newPullParser(); 19249 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19250 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 19251 new BlobXmlRestorer() { 19252 @Override 19253 public void apply(XmlPullParser parser, int userId) 19254 throws XmlPullParserException, IOException { 19255 synchronized (mPackages) { 19256 mSettings.readPreferredActivitiesLPw(parser, userId); 19257 } 19258 } 19259 } ); 19260 } catch (Exception e) { 19261 if (DEBUG_BACKUP) { 19262 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19263 } 19264 } 19265 } 19266 19267 /** 19268 * Non-Binder method, support for the backup/restore mechanism: write the 19269 * default browser (etc) settings in its canonical XML format. Returns the default 19270 * browser XML representation as a byte array, or null if there is none. 19271 */ 19272 @Override 19273 public byte[] getDefaultAppsBackup(int userId) { 19274 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19275 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 19276 } 19277 19278 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19279 try { 19280 final XmlSerializer serializer = new FastXmlSerializer(); 19281 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19282 serializer.startDocument(null, true); 19283 serializer.startTag(null, TAG_DEFAULT_APPS); 19284 19285 synchronized (mPackages) { 19286 mSettings.writeDefaultAppsLPr(serializer, userId); 19287 } 19288 19289 serializer.endTag(null, TAG_DEFAULT_APPS); 19290 serializer.endDocument(); 19291 serializer.flush(); 19292 } catch (Exception e) { 19293 if (DEBUG_BACKUP) { 19294 Slog.e(TAG, "Unable to write default apps for backup", e); 19295 } 19296 return null; 19297 } 19298 19299 return dataStream.toByteArray(); 19300 } 19301 19302 @Override 19303 public void restoreDefaultApps(byte[] backup, int userId) { 19304 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19305 throw new SecurityException("Only the system may call restoreDefaultApps()"); 19306 } 19307 19308 try { 19309 final XmlPullParser parser = Xml.newPullParser(); 19310 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19311 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 19312 new BlobXmlRestorer() { 19313 @Override 19314 public void apply(XmlPullParser parser, int userId) 19315 throws XmlPullParserException, IOException { 19316 synchronized (mPackages) { 19317 mSettings.readDefaultAppsLPw(parser, userId); 19318 } 19319 } 19320 } ); 19321 } catch (Exception e) { 19322 if (DEBUG_BACKUP) { 19323 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 19324 } 19325 } 19326 } 19327 19328 @Override 19329 public byte[] getIntentFilterVerificationBackup(int userId) { 19330 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19331 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 19332 } 19333 19334 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19335 try { 19336 final XmlSerializer serializer = new FastXmlSerializer(); 19337 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19338 serializer.startDocument(null, true); 19339 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 19340 19341 synchronized (mPackages) { 19342 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 19343 } 19344 19345 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 19346 serializer.endDocument(); 19347 serializer.flush(); 19348 } catch (Exception e) { 19349 if (DEBUG_BACKUP) { 19350 Slog.e(TAG, "Unable to write default apps for backup", e); 19351 } 19352 return null; 19353 } 19354 19355 return dataStream.toByteArray(); 19356 } 19357 19358 @Override 19359 public void restoreIntentFilterVerification(byte[] backup, int userId) { 19360 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19361 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19362 } 19363 19364 try { 19365 final XmlPullParser parser = Xml.newPullParser(); 19366 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19367 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 19368 new BlobXmlRestorer() { 19369 @Override 19370 public void apply(XmlPullParser parser, int userId) 19371 throws XmlPullParserException, IOException { 19372 synchronized (mPackages) { 19373 mSettings.readAllDomainVerificationsLPr(parser, userId); 19374 mSettings.writeLPr(); 19375 } 19376 } 19377 } ); 19378 } catch (Exception e) { 19379 if (DEBUG_BACKUP) { 19380 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19381 } 19382 } 19383 } 19384 19385 @Override 19386 public byte[] getPermissionGrantBackup(int userId) { 19387 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19388 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 19389 } 19390 19391 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19392 try { 19393 final XmlSerializer serializer = new FastXmlSerializer(); 19394 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19395 serializer.startDocument(null, true); 19396 serializer.startTag(null, TAG_PERMISSION_BACKUP); 19397 19398 synchronized (mPackages) { 19399 serializeRuntimePermissionGrantsLPr(serializer, userId); 19400 } 19401 19402 serializer.endTag(null, TAG_PERMISSION_BACKUP); 19403 serializer.endDocument(); 19404 serializer.flush(); 19405 } catch (Exception e) { 19406 if (DEBUG_BACKUP) { 19407 Slog.e(TAG, "Unable to write default apps for backup", e); 19408 } 19409 return null; 19410 } 19411 19412 return dataStream.toByteArray(); 19413 } 19414 19415 @Override 19416 public void restorePermissionGrants(byte[] backup, int userId) { 19417 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19418 throw new SecurityException("Only the system may call restorePermissionGrants()"); 19419 } 19420 19421 try { 19422 final XmlPullParser parser = Xml.newPullParser(); 19423 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19424 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 19425 new BlobXmlRestorer() { 19426 @Override 19427 public void apply(XmlPullParser parser, int userId) 19428 throws XmlPullParserException, IOException { 19429 synchronized (mPackages) { 19430 processRestoredPermissionGrantsLPr(parser, userId); 19431 } 19432 } 19433 } ); 19434 } catch (Exception e) { 19435 if (DEBUG_BACKUP) { 19436 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19437 } 19438 } 19439 } 19440 19441 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 19442 throws IOException { 19443 serializer.startTag(null, TAG_ALL_GRANTS); 19444 19445 final int N = mSettings.mPackages.size(); 19446 for (int i = 0; i < N; i++) { 19447 final PackageSetting ps = mSettings.mPackages.valueAt(i); 19448 boolean pkgGrantsKnown = false; 19449 19450 PermissionsState packagePerms = ps.getPermissionsState(); 19451 19452 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 19453 final int grantFlags = state.getFlags(); 19454 // only look at grants that are not system/policy fixed 19455 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 19456 final boolean isGranted = state.isGranted(); 19457 // And only back up the user-twiddled state bits 19458 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 19459 final String packageName = mSettings.mPackages.keyAt(i); 19460 if (!pkgGrantsKnown) { 19461 serializer.startTag(null, TAG_GRANT); 19462 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 19463 pkgGrantsKnown = true; 19464 } 19465 19466 final boolean userSet = 19467 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 19468 final boolean userFixed = 19469 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 19470 final boolean revoke = 19471 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 19472 19473 serializer.startTag(null, TAG_PERMISSION); 19474 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 19475 if (isGranted) { 19476 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 19477 } 19478 if (userSet) { 19479 serializer.attribute(null, ATTR_USER_SET, "true"); 19480 } 19481 if (userFixed) { 19482 serializer.attribute(null, ATTR_USER_FIXED, "true"); 19483 } 19484 if (revoke) { 19485 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 19486 } 19487 serializer.endTag(null, TAG_PERMISSION); 19488 } 19489 } 19490 } 19491 19492 if (pkgGrantsKnown) { 19493 serializer.endTag(null, TAG_GRANT); 19494 } 19495 } 19496 19497 serializer.endTag(null, TAG_ALL_GRANTS); 19498 } 19499 19500 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 19501 throws XmlPullParserException, IOException { 19502 String pkgName = null; 19503 int outerDepth = parser.getDepth(); 19504 int type; 19505 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 19506 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 19507 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 19508 continue; 19509 } 19510 19511 final String tagName = parser.getName(); 19512 if (tagName.equals(TAG_GRANT)) { 19513 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 19514 if (DEBUG_BACKUP) { 19515 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 19516 } 19517 } else if (tagName.equals(TAG_PERMISSION)) { 19518 19519 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 19520 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 19521 19522 int newFlagSet = 0; 19523 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 19524 newFlagSet |= FLAG_PERMISSION_USER_SET; 19525 } 19526 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 19527 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 19528 } 19529 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 19530 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 19531 } 19532 if (DEBUG_BACKUP) { 19533 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 19534 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 19535 } 19536 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19537 if (ps != null) { 19538 // Already installed so we apply the grant immediately 19539 if (DEBUG_BACKUP) { 19540 Slog.v(TAG, " + already installed; applying"); 19541 } 19542 PermissionsState perms = ps.getPermissionsState(); 19543 BasePermission bp = mSettings.mPermissions.get(permName); 19544 if (bp != null) { 19545 if (isGranted) { 19546 perms.grantRuntimePermission(bp, userId); 19547 } 19548 if (newFlagSet != 0) { 19549 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 19550 } 19551 } 19552 } else { 19553 // Need to wait for post-restore install to apply the grant 19554 if (DEBUG_BACKUP) { 19555 Slog.v(TAG, " - not yet installed; saving for later"); 19556 } 19557 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 19558 isGranted, newFlagSet, userId); 19559 } 19560 } else { 19561 PackageManagerService.reportSettingsProblem(Log.WARN, 19562 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 19563 XmlUtils.skipCurrentTag(parser); 19564 } 19565 } 19566 19567 scheduleWriteSettingsLocked(); 19568 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 19569 } 19570 19571 @Override 19572 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 19573 int sourceUserId, int targetUserId, int flags) { 19574 mContext.enforceCallingOrSelfPermission( 19575 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19576 int callingUid = Binder.getCallingUid(); 19577 enforceOwnerRights(ownerPackage, callingUid); 19578 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19579 if (intentFilter.countActions() == 0) { 19580 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 19581 return; 19582 } 19583 synchronized (mPackages) { 19584 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 19585 ownerPackage, targetUserId, flags); 19586 CrossProfileIntentResolver resolver = 19587 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19588 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 19589 // We have all those whose filter is equal. Now checking if the rest is equal as well. 19590 if (existing != null) { 19591 int size = existing.size(); 19592 for (int i = 0; i < size; i++) { 19593 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 19594 return; 19595 } 19596 } 19597 } 19598 resolver.addFilter(newFilter); 19599 scheduleWritePackageRestrictionsLocked(sourceUserId); 19600 } 19601 } 19602 19603 @Override 19604 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 19605 mContext.enforceCallingOrSelfPermission( 19606 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19607 int callingUid = Binder.getCallingUid(); 19608 enforceOwnerRights(ownerPackage, callingUid); 19609 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19610 synchronized (mPackages) { 19611 CrossProfileIntentResolver resolver = 19612 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19613 ArraySet<CrossProfileIntentFilter> set = 19614 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 19615 for (CrossProfileIntentFilter filter : set) { 19616 if (filter.getOwnerPackage().equals(ownerPackage)) { 19617 resolver.removeFilter(filter); 19618 } 19619 } 19620 scheduleWritePackageRestrictionsLocked(sourceUserId); 19621 } 19622 } 19623 19624 // Enforcing that callingUid is owning pkg on userId 19625 private void enforceOwnerRights(String pkg, int callingUid) { 19626 // The system owns everything. 19627 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 19628 return; 19629 } 19630 int callingUserId = UserHandle.getUserId(callingUid); 19631 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 19632 if (pi == null) { 19633 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 19634 + callingUserId); 19635 } 19636 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 19637 throw new SecurityException("Calling uid " + callingUid 19638 + " does not own package " + pkg); 19639 } 19640 } 19641 19642 @Override 19643 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 19644 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 19645 } 19646 19647 private Intent getHomeIntent() { 19648 Intent intent = new Intent(Intent.ACTION_MAIN); 19649 intent.addCategory(Intent.CATEGORY_HOME); 19650 intent.addCategory(Intent.CATEGORY_DEFAULT); 19651 return intent; 19652 } 19653 19654 private IntentFilter getHomeFilter() { 19655 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 19656 filter.addCategory(Intent.CATEGORY_HOME); 19657 filter.addCategory(Intent.CATEGORY_DEFAULT); 19658 return filter; 19659 } 19660 19661 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19662 int userId) { 19663 Intent intent = getHomeIntent(); 19664 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 19665 PackageManager.GET_META_DATA, userId); 19666 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 19667 true, false, false, userId); 19668 19669 allHomeCandidates.clear(); 19670 if (list != null) { 19671 for (ResolveInfo ri : list) { 19672 allHomeCandidates.add(ri); 19673 } 19674 } 19675 return (preferred == null || preferred.activityInfo == null) 19676 ? null 19677 : new ComponentName(preferred.activityInfo.packageName, 19678 preferred.activityInfo.name); 19679 } 19680 19681 @Override 19682 public void setHomeActivity(ComponentName comp, int userId) { 19683 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 19684 getHomeActivitiesAsUser(homeActivities, userId); 19685 19686 boolean found = false; 19687 19688 final int size = homeActivities.size(); 19689 final ComponentName[] set = new ComponentName[size]; 19690 for (int i = 0; i < size; i++) { 19691 final ResolveInfo candidate = homeActivities.get(i); 19692 final ActivityInfo info = candidate.activityInfo; 19693 final ComponentName activityName = new ComponentName(info.packageName, info.name); 19694 set[i] = activityName; 19695 if (!found && activityName.equals(comp)) { 19696 found = true; 19697 } 19698 } 19699 if (!found) { 19700 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 19701 + userId); 19702 } 19703 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 19704 set, comp, userId); 19705 } 19706 19707 private @Nullable String getSetupWizardPackageName() { 19708 final Intent intent = new Intent(Intent.ACTION_MAIN); 19709 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 19710 19711 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19712 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19713 | MATCH_DISABLED_COMPONENTS, 19714 UserHandle.myUserId()); 19715 if (matches.size() == 1) { 19716 return matches.get(0).getComponentInfo().packageName; 19717 } else { 19718 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 19719 + ": matches=" + matches); 19720 return null; 19721 } 19722 } 19723 19724 private @Nullable String getStorageManagerPackageName() { 19725 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 19726 19727 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19728 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19729 | MATCH_DISABLED_COMPONENTS, 19730 UserHandle.myUserId()); 19731 if (matches.size() == 1) { 19732 return matches.get(0).getComponentInfo().packageName; 19733 } else { 19734 Slog.e(TAG, "There should probably be exactly one storage manager; found " 19735 + matches.size() + ": matches=" + matches); 19736 return null; 19737 } 19738 } 19739 19740 @Override 19741 public void setApplicationEnabledSetting(String appPackageName, 19742 int newState, int flags, int userId, String callingPackage) { 19743 if (!sUserManager.exists(userId)) return; 19744 if (callingPackage == null) { 19745 callingPackage = Integer.toString(Binder.getCallingUid()); 19746 } 19747 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 19748 } 19749 19750 @Override 19751 public void setComponentEnabledSetting(ComponentName componentName, 19752 int newState, int flags, int userId) { 19753 if (!sUserManager.exists(userId)) return; 19754 setEnabledSetting(componentName.getPackageName(), 19755 componentName.getClassName(), newState, flags, userId, null); 19756 } 19757 19758 private void setEnabledSetting(final String packageName, String className, int newState, 19759 final int flags, int userId, String callingPackage) { 19760 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 19761 || newState == COMPONENT_ENABLED_STATE_ENABLED 19762 || newState == COMPONENT_ENABLED_STATE_DISABLED 19763 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19764 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 19765 throw new IllegalArgumentException("Invalid new component state: " 19766 + newState); 19767 } 19768 PackageSetting pkgSetting; 19769 final int uid = Binder.getCallingUid(); 19770 final int permission; 19771 if (uid == Process.SYSTEM_UID) { 19772 permission = PackageManager.PERMISSION_GRANTED; 19773 } else { 19774 permission = mContext.checkCallingOrSelfPermission( 19775 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19776 } 19777 enforceCrossUserPermission(uid, userId, 19778 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 19779 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19780 boolean sendNow = false; 19781 boolean isApp = (className == null); 19782 String componentName = isApp ? packageName : className; 19783 int packageUid = -1; 19784 ArrayList<String> components; 19785 19786 // writer 19787 synchronized (mPackages) { 19788 pkgSetting = mSettings.mPackages.get(packageName); 19789 if (pkgSetting == null) { 19790 if (className == null) { 19791 throw new IllegalArgumentException("Unknown package: " + packageName); 19792 } 19793 throw new IllegalArgumentException( 19794 "Unknown component: " + packageName + "/" + className); 19795 } 19796 } 19797 19798 // Limit who can change which apps 19799 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 19800 // Don't allow apps that don't have permission to modify other apps 19801 if (!allowedByPermission) { 19802 throw new SecurityException( 19803 "Permission Denial: attempt to change component state from pid=" 19804 + Binder.getCallingPid() 19805 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 19806 } 19807 // Don't allow changing protected packages. 19808 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 19809 throw new SecurityException("Cannot disable a protected package: " + packageName); 19810 } 19811 } 19812 19813 synchronized (mPackages) { 19814 if (uid == Process.SHELL_UID 19815 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 19816 // Shell can only change whole packages between ENABLED and DISABLED_USER states 19817 // unless it is a test package. 19818 int oldState = pkgSetting.getEnabled(userId); 19819 if (className == null 19820 && 19821 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 19822 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 19823 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 19824 && 19825 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19826 || newState == COMPONENT_ENABLED_STATE_DEFAULT 19827 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 19828 // ok 19829 } else { 19830 throw new SecurityException( 19831 "Shell cannot change component state for " + packageName + "/" 19832 + className + " to " + newState); 19833 } 19834 } 19835 if (className == null) { 19836 // We're dealing with an application/package level state change 19837 if (pkgSetting.getEnabled(userId) == newState) { 19838 // Nothing to do 19839 return; 19840 } 19841 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 19842 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 19843 // Don't care about who enables an app. 19844 callingPackage = null; 19845 } 19846 pkgSetting.setEnabled(newState, userId, callingPackage); 19847 // pkgSetting.pkg.mSetEnabled = newState; 19848 } else { 19849 // We're dealing with a component level state change 19850 // First, verify that this is a valid class name. 19851 PackageParser.Package pkg = pkgSetting.pkg; 19852 if (pkg == null || !pkg.hasComponentClassName(className)) { 19853 if (pkg != null && 19854 pkg.applicationInfo.targetSdkVersion >= 19855 Build.VERSION_CODES.JELLY_BEAN) { 19856 throw new IllegalArgumentException("Component class " + className 19857 + " does not exist in " + packageName); 19858 } else { 19859 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 19860 + className + " does not exist in " + packageName); 19861 } 19862 } 19863 switch (newState) { 19864 case COMPONENT_ENABLED_STATE_ENABLED: 19865 if (!pkgSetting.enableComponentLPw(className, userId)) { 19866 return; 19867 } 19868 break; 19869 case COMPONENT_ENABLED_STATE_DISABLED: 19870 if (!pkgSetting.disableComponentLPw(className, userId)) { 19871 return; 19872 } 19873 break; 19874 case COMPONENT_ENABLED_STATE_DEFAULT: 19875 if (!pkgSetting.restoreComponentLPw(className, userId)) { 19876 return; 19877 } 19878 break; 19879 default: 19880 Slog.e(TAG, "Invalid new component state: " + newState); 19881 return; 19882 } 19883 } 19884 scheduleWritePackageRestrictionsLocked(userId); 19885 updateSequenceNumberLP(packageName, new int[] { userId }); 19886 components = mPendingBroadcasts.get(userId, packageName); 19887 final boolean newPackage = components == null; 19888 if (newPackage) { 19889 components = new ArrayList<String>(); 19890 } 19891 if (!components.contains(componentName)) { 19892 components.add(componentName); 19893 } 19894 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 19895 sendNow = true; 19896 // Purge entry from pending broadcast list if another one exists already 19897 // since we are sending one right away. 19898 mPendingBroadcasts.remove(userId, packageName); 19899 } else { 19900 if (newPackage) { 19901 mPendingBroadcasts.put(userId, packageName, components); 19902 } 19903 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 19904 // Schedule a message 19905 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 19906 } 19907 } 19908 } 19909 19910 long callingId = Binder.clearCallingIdentity(); 19911 try { 19912 if (sendNow) { 19913 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 19914 sendPackageChangedBroadcast(packageName, 19915 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 19916 } 19917 } finally { 19918 Binder.restoreCallingIdentity(callingId); 19919 } 19920 } 19921 19922 @Override 19923 public void flushPackageRestrictionsAsUser(int userId) { 19924 if (!sUserManager.exists(userId)) { 19925 return; 19926 } 19927 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 19928 false /* checkShell */, "flushPackageRestrictions"); 19929 synchronized (mPackages) { 19930 mSettings.writePackageRestrictionsLPr(userId); 19931 mDirtyUsers.remove(userId); 19932 if (mDirtyUsers.isEmpty()) { 19933 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 19934 } 19935 } 19936 } 19937 19938 private void sendPackageChangedBroadcast(String packageName, 19939 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 19940 if (DEBUG_INSTALL) 19941 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 19942 + componentNames); 19943 Bundle extras = new Bundle(4); 19944 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 19945 String nameList[] = new String[componentNames.size()]; 19946 componentNames.toArray(nameList); 19947 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 19948 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 19949 extras.putInt(Intent.EXTRA_UID, packageUid); 19950 // If this is not reporting a change of the overall package, then only send it 19951 // to registered receivers. We don't want to launch a swath of apps for every 19952 // little component state change. 19953 final int flags = !componentNames.contains(packageName) 19954 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 19955 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 19956 new int[] {UserHandle.getUserId(packageUid)}); 19957 } 19958 19959 @Override 19960 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 19961 if (!sUserManager.exists(userId)) return; 19962 final int uid = Binder.getCallingUid(); 19963 final int permission = mContext.checkCallingOrSelfPermission( 19964 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19965 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19966 enforceCrossUserPermission(uid, userId, 19967 true /* requireFullPermission */, true /* checkShell */, "stop package"); 19968 // writer 19969 synchronized (mPackages) { 19970 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 19971 allowedByPermission, uid, userId)) { 19972 scheduleWritePackageRestrictionsLocked(userId); 19973 } 19974 } 19975 } 19976 19977 @Override 19978 public String getInstallerPackageName(String packageName) { 19979 // reader 19980 synchronized (mPackages) { 19981 return mSettings.getInstallerPackageNameLPr(packageName); 19982 } 19983 } 19984 19985 public boolean isOrphaned(String packageName) { 19986 // reader 19987 synchronized (mPackages) { 19988 return mSettings.isOrphaned(packageName); 19989 } 19990 } 19991 19992 @Override 19993 public int getApplicationEnabledSetting(String packageName, int userId) { 19994 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19995 int uid = Binder.getCallingUid(); 19996 enforceCrossUserPermission(uid, userId, 19997 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 19998 // reader 19999 synchronized (mPackages) { 20000 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 20001 } 20002 } 20003 20004 @Override 20005 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 20006 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 20007 int uid = Binder.getCallingUid(); 20008 enforceCrossUserPermission(uid, userId, 20009 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 20010 // reader 20011 synchronized (mPackages) { 20012 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 20013 } 20014 } 20015 20016 @Override 20017 public void enterSafeMode() { 20018 enforceSystemOrRoot("Only the system can request entering safe mode"); 20019 20020 if (!mSystemReady) { 20021 mSafeMode = true; 20022 } 20023 } 20024 20025 @Override 20026 public void systemReady() { 20027 mSystemReady = true; 20028 20029 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 20030 // disabled after already being started. 20031 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 20032 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 20033 20034 // Read the compatibilty setting when the system is ready. 20035 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 20036 mContext.getContentResolver(), 20037 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 20038 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 20039 if (DEBUG_SETTINGS) { 20040 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 20041 } 20042 20043 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 20044 20045 synchronized (mPackages) { 20046 // Verify that all of the preferred activity components actually 20047 // exist. It is possible for applications to be updated and at 20048 // that point remove a previously declared activity component that 20049 // had been set as a preferred activity. We try to clean this up 20050 // the next time we encounter that preferred activity, but it is 20051 // possible for the user flow to never be able to return to that 20052 // situation so here we do a sanity check to make sure we haven't 20053 // left any junk around. 20054 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 20055 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20056 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20057 removed.clear(); 20058 for (PreferredActivity pa : pir.filterSet()) { 20059 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 20060 removed.add(pa); 20061 } 20062 } 20063 if (removed.size() > 0) { 20064 for (int r=0; r<removed.size(); r++) { 20065 PreferredActivity pa = removed.get(r); 20066 Slog.w(TAG, "Removing dangling preferred activity: " 20067 + pa.mPref.mComponent); 20068 pir.removeFilter(pa); 20069 } 20070 mSettings.writePackageRestrictionsLPr( 20071 mSettings.mPreferredActivities.keyAt(i)); 20072 } 20073 } 20074 20075 for (int userId : UserManagerService.getInstance().getUserIds()) { 20076 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20077 grantPermissionsUserIds = ArrayUtils.appendInt( 20078 grantPermissionsUserIds, userId); 20079 } 20080 } 20081 } 20082 sUserManager.systemReady(); 20083 20084 // If we upgraded grant all default permissions before kicking off. 20085 for (int userId : grantPermissionsUserIds) { 20086 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20087 } 20088 20089 // If we did not grant default permissions, we preload from this the 20090 // default permission exceptions lazily to ensure we don't hit the 20091 // disk on a new user creation. 20092 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 20093 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 20094 } 20095 20096 // Kick off any messages waiting for system ready 20097 if (mPostSystemReadyMessages != null) { 20098 for (Message msg : mPostSystemReadyMessages) { 20099 msg.sendToTarget(); 20100 } 20101 mPostSystemReadyMessages = null; 20102 } 20103 20104 // Watch for external volumes that come and go over time 20105 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20106 storage.registerListener(mStorageListener); 20107 20108 mInstallerService.systemReady(); 20109 mPackageDexOptimizer.systemReady(); 20110 20111 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 20112 StorageManagerInternal.class); 20113 StorageManagerInternal.addExternalStoragePolicy( 20114 new StorageManagerInternal.ExternalStorageMountPolicy() { 20115 @Override 20116 public int getMountMode(int uid, String packageName) { 20117 if (Process.isIsolated(uid)) { 20118 return Zygote.MOUNT_EXTERNAL_NONE; 20119 } 20120 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 20121 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20122 } 20123 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20124 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20125 } 20126 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20127 return Zygote.MOUNT_EXTERNAL_READ; 20128 } 20129 return Zygote.MOUNT_EXTERNAL_WRITE; 20130 } 20131 20132 @Override 20133 public boolean hasExternalStorage(int uid, String packageName) { 20134 return true; 20135 } 20136 }); 20137 20138 // Now that we're mostly running, clean up stale users and apps 20139 sUserManager.reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 20140 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 20141 20142 if (mPrivappPermissionsViolations != null) { 20143 Slog.wtf(TAG,"Signature|privileged permissions not in " 20144 + "privapp-permissions whitelist: " + mPrivappPermissionsViolations); 20145 mPrivappPermissionsViolations = null; 20146 } 20147 } 20148 20149 public void waitForAppDataPrepared() { 20150 if (mPrepareAppDataFuture == null) { 20151 return; 20152 } 20153 ConcurrentUtils.waitForFutureNoInterrupt(mPrepareAppDataFuture, "wait for prepareAppData"); 20154 mPrepareAppDataFuture = null; 20155 } 20156 20157 @Override 20158 public boolean isSafeMode() { 20159 return mSafeMode; 20160 } 20161 20162 @Override 20163 public boolean hasSystemUidErrors() { 20164 return mHasSystemUidErrors; 20165 } 20166 20167 static String arrayToString(int[] array) { 20168 StringBuffer buf = new StringBuffer(128); 20169 buf.append('['); 20170 if (array != null) { 20171 for (int i=0; i<array.length; i++) { 20172 if (i > 0) buf.append(", "); 20173 buf.append(array[i]); 20174 } 20175 } 20176 buf.append(']'); 20177 return buf.toString(); 20178 } 20179 20180 static class DumpState { 20181 public static final int DUMP_LIBS = 1 << 0; 20182 public static final int DUMP_FEATURES = 1 << 1; 20183 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 20184 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 20185 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 20186 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 20187 public static final int DUMP_PERMISSIONS = 1 << 6; 20188 public static final int DUMP_PACKAGES = 1 << 7; 20189 public static final int DUMP_SHARED_USERS = 1 << 8; 20190 public static final int DUMP_MESSAGES = 1 << 9; 20191 public static final int DUMP_PROVIDERS = 1 << 10; 20192 public static final int DUMP_VERIFIERS = 1 << 11; 20193 public static final int DUMP_PREFERRED = 1 << 12; 20194 public static final int DUMP_PREFERRED_XML = 1 << 13; 20195 public static final int DUMP_KEYSETS = 1 << 14; 20196 public static final int DUMP_VERSION = 1 << 15; 20197 public static final int DUMP_INSTALLS = 1 << 16; 20198 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 20199 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 20200 public static final int DUMP_FROZEN = 1 << 19; 20201 public static final int DUMP_DEXOPT = 1 << 20; 20202 public static final int DUMP_COMPILER_STATS = 1 << 21; 20203 public static final int DUMP_ENABLED_OVERLAYS = 1 << 22; 20204 20205 public static final int OPTION_SHOW_FILTERS = 1 << 0; 20206 20207 private int mTypes; 20208 20209 private int mOptions; 20210 20211 private boolean mTitlePrinted; 20212 20213 private SharedUserSetting mSharedUser; 20214 20215 public boolean isDumping(int type) { 20216 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 20217 return true; 20218 } 20219 20220 return (mTypes & type) != 0; 20221 } 20222 20223 public void setDump(int type) { 20224 mTypes |= type; 20225 } 20226 20227 public boolean isOptionEnabled(int option) { 20228 return (mOptions & option) != 0; 20229 } 20230 20231 public void setOptionEnabled(int option) { 20232 mOptions |= option; 20233 } 20234 20235 public boolean onTitlePrinted() { 20236 final boolean printed = mTitlePrinted; 20237 mTitlePrinted = true; 20238 return printed; 20239 } 20240 20241 public boolean getTitlePrinted() { 20242 return mTitlePrinted; 20243 } 20244 20245 public void setTitlePrinted(boolean enabled) { 20246 mTitlePrinted = enabled; 20247 } 20248 20249 public SharedUserSetting getSharedUser() { 20250 return mSharedUser; 20251 } 20252 20253 public void setSharedUser(SharedUserSetting user) { 20254 mSharedUser = user; 20255 } 20256 } 20257 20258 @Override 20259 public void onShellCommand(FileDescriptor in, FileDescriptor out, 20260 FileDescriptor err, String[] args, ShellCallback callback, 20261 ResultReceiver resultReceiver) { 20262 (new PackageManagerShellCommand(this)).exec( 20263 this, in, out, err, args, callback, resultReceiver); 20264 } 20265 20266 @Override 20267 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 20268 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 20269 != PackageManager.PERMISSION_GRANTED) { 20270 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 20271 + Binder.getCallingPid() 20272 + ", uid=" + Binder.getCallingUid() 20273 + " without permission " 20274 + android.Manifest.permission.DUMP); 20275 return; 20276 } 20277 20278 DumpState dumpState = new DumpState(); 20279 boolean fullPreferred = false; 20280 boolean checkin = false; 20281 20282 String packageName = null; 20283 ArraySet<String> permissionNames = null; 20284 20285 int opti = 0; 20286 while (opti < args.length) { 20287 String opt = args[opti]; 20288 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 20289 break; 20290 } 20291 opti++; 20292 20293 if ("-a".equals(opt)) { 20294 // Right now we only know how to print all. 20295 } else if ("-h".equals(opt)) { 20296 pw.println("Package manager dump options:"); 20297 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 20298 pw.println(" --checkin: dump for a checkin"); 20299 pw.println(" -f: print details of intent filters"); 20300 pw.println(" -h: print this help"); 20301 pw.println(" cmd may be one of:"); 20302 pw.println(" l[ibraries]: list known shared libraries"); 20303 pw.println(" f[eatures]: list device features"); 20304 pw.println(" k[eysets]: print known keysets"); 20305 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 20306 pw.println(" perm[issions]: dump permissions"); 20307 pw.println(" permission [name ...]: dump declaration and use of given permission"); 20308 pw.println(" pref[erred]: print preferred package settings"); 20309 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 20310 pw.println(" prov[iders]: dump content providers"); 20311 pw.println(" p[ackages]: dump installed packages"); 20312 pw.println(" s[hared-users]: dump shared user IDs"); 20313 pw.println(" m[essages]: print collected runtime messages"); 20314 pw.println(" v[erifiers]: print package verifier info"); 20315 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 20316 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 20317 pw.println(" version: print database version info"); 20318 pw.println(" write: write current settings now"); 20319 pw.println(" installs: details about install sessions"); 20320 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 20321 pw.println(" dexopt: dump dexopt state"); 20322 pw.println(" compiler-stats: dump compiler statistics"); 20323 pw.println(" enabled-overlays: dump list of enabled overlay packages"); 20324 pw.println(" <package.name>: info about given package"); 20325 return; 20326 } else if ("--checkin".equals(opt)) { 20327 checkin = true; 20328 } else if ("-f".equals(opt)) { 20329 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20330 } else if ("--proto".equals(opt)) { 20331 dumpProto(fd); 20332 return; 20333 } else { 20334 pw.println("Unknown argument: " + opt + "; use -h for help"); 20335 } 20336 } 20337 20338 // Is the caller requesting to dump a particular piece of data? 20339 if (opti < args.length) { 20340 String cmd = args[opti]; 20341 opti++; 20342 // Is this a package name? 20343 if ("android".equals(cmd) || cmd.contains(".")) { 20344 packageName = cmd; 20345 // When dumping a single package, we always dump all of its 20346 // filter information since the amount of data will be reasonable. 20347 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20348 } else if ("check-permission".equals(cmd)) { 20349 if (opti >= args.length) { 20350 pw.println("Error: check-permission missing permission argument"); 20351 return; 20352 } 20353 String perm = args[opti]; 20354 opti++; 20355 if (opti >= args.length) { 20356 pw.println("Error: check-permission missing package argument"); 20357 return; 20358 } 20359 20360 String pkg = args[opti]; 20361 opti++; 20362 int user = UserHandle.getUserId(Binder.getCallingUid()); 20363 if (opti < args.length) { 20364 try { 20365 user = Integer.parseInt(args[opti]); 20366 } catch (NumberFormatException e) { 20367 pw.println("Error: check-permission user argument is not a number: " 20368 + args[opti]); 20369 return; 20370 } 20371 } 20372 20373 // Normalize package name to handle renamed packages and static libs 20374 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 20375 20376 pw.println(checkPermission(perm, pkg, user)); 20377 return; 20378 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 20379 dumpState.setDump(DumpState.DUMP_LIBS); 20380 } else if ("f".equals(cmd) || "features".equals(cmd)) { 20381 dumpState.setDump(DumpState.DUMP_FEATURES); 20382 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 20383 if (opti >= args.length) { 20384 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 20385 | DumpState.DUMP_SERVICE_RESOLVERS 20386 | DumpState.DUMP_RECEIVER_RESOLVERS 20387 | DumpState.DUMP_CONTENT_RESOLVERS); 20388 } else { 20389 while (opti < args.length) { 20390 String name = args[opti]; 20391 if ("a".equals(name) || "activity".equals(name)) { 20392 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 20393 } else if ("s".equals(name) || "service".equals(name)) { 20394 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 20395 } else if ("r".equals(name) || "receiver".equals(name)) { 20396 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 20397 } else if ("c".equals(name) || "content".equals(name)) { 20398 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 20399 } else { 20400 pw.println("Error: unknown resolver table type: " + name); 20401 return; 20402 } 20403 opti++; 20404 } 20405 } 20406 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 20407 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 20408 } else if ("permission".equals(cmd)) { 20409 if (opti >= args.length) { 20410 pw.println("Error: permission requires permission name"); 20411 return; 20412 } 20413 permissionNames = new ArraySet<>(); 20414 while (opti < args.length) { 20415 permissionNames.add(args[opti]); 20416 opti++; 20417 } 20418 dumpState.setDump(DumpState.DUMP_PERMISSIONS 20419 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 20420 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 20421 dumpState.setDump(DumpState.DUMP_PREFERRED); 20422 } else if ("preferred-xml".equals(cmd)) { 20423 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 20424 if (opti < args.length && "--full".equals(args[opti])) { 20425 fullPreferred = true; 20426 opti++; 20427 } 20428 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 20429 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 20430 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 20431 dumpState.setDump(DumpState.DUMP_PACKAGES); 20432 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 20433 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 20434 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 20435 dumpState.setDump(DumpState.DUMP_PROVIDERS); 20436 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 20437 dumpState.setDump(DumpState.DUMP_MESSAGES); 20438 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 20439 dumpState.setDump(DumpState.DUMP_VERIFIERS); 20440 } else if ("i".equals(cmd) || "ifv".equals(cmd) 20441 || "intent-filter-verifiers".equals(cmd)) { 20442 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 20443 } else if ("version".equals(cmd)) { 20444 dumpState.setDump(DumpState.DUMP_VERSION); 20445 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 20446 dumpState.setDump(DumpState.DUMP_KEYSETS); 20447 } else if ("installs".equals(cmd)) { 20448 dumpState.setDump(DumpState.DUMP_INSTALLS); 20449 } else if ("frozen".equals(cmd)) { 20450 dumpState.setDump(DumpState.DUMP_FROZEN); 20451 } else if ("dexopt".equals(cmd)) { 20452 dumpState.setDump(DumpState.DUMP_DEXOPT); 20453 } else if ("compiler-stats".equals(cmd)) { 20454 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 20455 } else if ("enabled-overlays".equals(cmd)) { 20456 dumpState.setDump(DumpState.DUMP_ENABLED_OVERLAYS); 20457 } else if ("write".equals(cmd)) { 20458 synchronized (mPackages) { 20459 mSettings.writeLPr(); 20460 pw.println("Settings written."); 20461 return; 20462 } 20463 } 20464 } 20465 20466 if (checkin) { 20467 pw.println("vers,1"); 20468 } 20469 20470 // reader 20471 synchronized (mPackages) { 20472 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 20473 if (!checkin) { 20474 if (dumpState.onTitlePrinted()) 20475 pw.println(); 20476 pw.println("Database versions:"); 20477 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 20478 } 20479 } 20480 20481 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 20482 if (!checkin) { 20483 if (dumpState.onTitlePrinted()) 20484 pw.println(); 20485 pw.println("Verifiers:"); 20486 pw.print(" Required: "); 20487 pw.print(mRequiredVerifierPackage); 20488 pw.print(" (uid="); 20489 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20490 UserHandle.USER_SYSTEM)); 20491 pw.println(")"); 20492 } else if (mRequiredVerifierPackage != null) { 20493 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 20494 pw.print(","); 20495 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20496 UserHandle.USER_SYSTEM)); 20497 } 20498 } 20499 20500 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 20501 packageName == null) { 20502 if (mIntentFilterVerifierComponent != null) { 20503 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20504 if (!checkin) { 20505 if (dumpState.onTitlePrinted()) 20506 pw.println(); 20507 pw.println("Intent Filter Verifier:"); 20508 pw.print(" Using: "); 20509 pw.print(verifierPackageName); 20510 pw.print(" (uid="); 20511 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20512 UserHandle.USER_SYSTEM)); 20513 pw.println(")"); 20514 } else if (verifierPackageName != null) { 20515 pw.print("ifv,"); pw.print(verifierPackageName); 20516 pw.print(","); 20517 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20518 UserHandle.USER_SYSTEM)); 20519 } 20520 } else { 20521 pw.println(); 20522 pw.println("No Intent Filter Verifier available!"); 20523 } 20524 } 20525 20526 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 20527 boolean printedHeader = false; 20528 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 20529 while (it.hasNext()) { 20530 String libName = it.next(); 20531 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20532 if (versionedLib == null) { 20533 continue; 20534 } 20535 final int versionCount = versionedLib.size(); 20536 for (int i = 0; i < versionCount; i++) { 20537 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 20538 if (!checkin) { 20539 if (!printedHeader) { 20540 if (dumpState.onTitlePrinted()) 20541 pw.println(); 20542 pw.println("Libraries:"); 20543 printedHeader = true; 20544 } 20545 pw.print(" "); 20546 } else { 20547 pw.print("lib,"); 20548 } 20549 pw.print(libEntry.info.getName()); 20550 if (libEntry.info.isStatic()) { 20551 pw.print(" version=" + libEntry.info.getVersion()); 20552 } 20553 if (!checkin) { 20554 pw.print(" -> "); 20555 } 20556 if (libEntry.path != null) { 20557 pw.print(" (jar) "); 20558 pw.print(libEntry.path); 20559 } else { 20560 pw.print(" (apk) "); 20561 pw.print(libEntry.apk); 20562 } 20563 pw.println(); 20564 } 20565 } 20566 } 20567 20568 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 20569 if (dumpState.onTitlePrinted()) 20570 pw.println(); 20571 if (!checkin) { 20572 pw.println("Features:"); 20573 } 20574 20575 synchronized (mAvailableFeatures) { 20576 for (FeatureInfo feat : mAvailableFeatures.values()) { 20577 if (checkin) { 20578 pw.print("feat,"); 20579 pw.print(feat.name); 20580 pw.print(","); 20581 pw.println(feat.version); 20582 } else { 20583 pw.print(" "); 20584 pw.print(feat.name); 20585 if (feat.version > 0) { 20586 pw.print(" version="); 20587 pw.print(feat.version); 20588 } 20589 pw.println(); 20590 } 20591 } 20592 } 20593 } 20594 20595 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 20596 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 20597 : "Activity Resolver Table:", " ", packageName, 20598 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20599 dumpState.setTitlePrinted(true); 20600 } 20601 } 20602 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 20603 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 20604 : "Receiver Resolver Table:", " ", packageName, 20605 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20606 dumpState.setTitlePrinted(true); 20607 } 20608 } 20609 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 20610 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 20611 : "Service Resolver Table:", " ", packageName, 20612 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20613 dumpState.setTitlePrinted(true); 20614 } 20615 } 20616 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 20617 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 20618 : "Provider Resolver Table:", " ", packageName, 20619 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20620 dumpState.setTitlePrinted(true); 20621 } 20622 } 20623 20624 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 20625 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20626 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20627 int user = mSettings.mPreferredActivities.keyAt(i); 20628 if (pir.dump(pw, 20629 dumpState.getTitlePrinted() 20630 ? "\nPreferred Activities User " + user + ":" 20631 : "Preferred Activities User " + user + ":", " ", 20632 packageName, true, false)) { 20633 dumpState.setTitlePrinted(true); 20634 } 20635 } 20636 } 20637 20638 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 20639 pw.flush(); 20640 FileOutputStream fout = new FileOutputStream(fd); 20641 BufferedOutputStream str = new BufferedOutputStream(fout); 20642 XmlSerializer serializer = new FastXmlSerializer(); 20643 try { 20644 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 20645 serializer.startDocument(null, true); 20646 serializer.setFeature( 20647 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 20648 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 20649 serializer.endDocument(); 20650 serializer.flush(); 20651 } catch (IllegalArgumentException e) { 20652 pw.println("Failed writing: " + e); 20653 } catch (IllegalStateException e) { 20654 pw.println("Failed writing: " + e); 20655 } catch (IOException e) { 20656 pw.println("Failed writing: " + e); 20657 } 20658 } 20659 20660 if (!checkin 20661 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 20662 && packageName == null) { 20663 pw.println(); 20664 int count = mSettings.mPackages.size(); 20665 if (count == 0) { 20666 pw.println("No applications!"); 20667 pw.println(); 20668 } else { 20669 final String prefix = " "; 20670 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 20671 if (allPackageSettings.size() == 0) { 20672 pw.println("No domain preferred apps!"); 20673 pw.println(); 20674 } else { 20675 pw.println("App verification status:"); 20676 pw.println(); 20677 count = 0; 20678 for (PackageSetting ps : allPackageSettings) { 20679 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 20680 if (ivi == null || ivi.getPackageName() == null) continue; 20681 pw.println(prefix + "Package: " + ivi.getPackageName()); 20682 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 20683 pw.println(prefix + "Status: " + ivi.getStatusString()); 20684 pw.println(); 20685 count++; 20686 } 20687 if (count == 0) { 20688 pw.println(prefix + "No app verification established."); 20689 pw.println(); 20690 } 20691 for (int userId : sUserManager.getUserIds()) { 20692 pw.println("App linkages for user " + userId + ":"); 20693 pw.println(); 20694 count = 0; 20695 for (PackageSetting ps : allPackageSettings) { 20696 final long status = ps.getDomainVerificationStatusForUser(userId); 20697 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 20698 && !DEBUG_DOMAIN_VERIFICATION) { 20699 continue; 20700 } 20701 pw.println(prefix + "Package: " + ps.name); 20702 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 20703 String statusStr = IntentFilterVerificationInfo. 20704 getStatusStringFromValue(status); 20705 pw.println(prefix + "Status: " + statusStr); 20706 pw.println(); 20707 count++; 20708 } 20709 if (count == 0) { 20710 pw.println(prefix + "No configured app linkages."); 20711 pw.println(); 20712 } 20713 } 20714 } 20715 } 20716 } 20717 20718 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 20719 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 20720 if (packageName == null && permissionNames == null) { 20721 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 20722 if (iperm == 0) { 20723 if (dumpState.onTitlePrinted()) 20724 pw.println(); 20725 pw.println("AppOp Permissions:"); 20726 } 20727 pw.print(" AppOp Permission "); 20728 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 20729 pw.println(":"); 20730 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 20731 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 20732 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 20733 } 20734 } 20735 } 20736 } 20737 20738 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 20739 boolean printedSomething = false; 20740 for (PackageParser.Provider p : mProviders.mProviders.values()) { 20741 if (packageName != null && !packageName.equals(p.info.packageName)) { 20742 continue; 20743 } 20744 if (!printedSomething) { 20745 if (dumpState.onTitlePrinted()) 20746 pw.println(); 20747 pw.println("Registered ContentProviders:"); 20748 printedSomething = true; 20749 } 20750 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 20751 pw.print(" "); pw.println(p.toString()); 20752 } 20753 printedSomething = false; 20754 for (Map.Entry<String, PackageParser.Provider> entry : 20755 mProvidersByAuthority.entrySet()) { 20756 PackageParser.Provider p = entry.getValue(); 20757 if (packageName != null && !packageName.equals(p.info.packageName)) { 20758 continue; 20759 } 20760 if (!printedSomething) { 20761 if (dumpState.onTitlePrinted()) 20762 pw.println(); 20763 pw.println("ContentProvider Authorities:"); 20764 printedSomething = true; 20765 } 20766 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 20767 pw.print(" "); pw.println(p.toString()); 20768 if (p.info != null && p.info.applicationInfo != null) { 20769 final String appInfo = p.info.applicationInfo.toString(); 20770 pw.print(" applicationInfo="); pw.println(appInfo); 20771 } 20772 } 20773 } 20774 20775 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 20776 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 20777 } 20778 20779 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 20780 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 20781 } 20782 20783 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 20784 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 20785 } 20786 20787 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 20788 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 20789 } 20790 20791 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 20792 // XXX should handle packageName != null by dumping only install data that 20793 // the given package is involved with. 20794 if (dumpState.onTitlePrinted()) pw.println(); 20795 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 20796 } 20797 20798 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 20799 // XXX should handle packageName != null by dumping only install data that 20800 // the given package is involved with. 20801 if (dumpState.onTitlePrinted()) pw.println(); 20802 20803 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20804 ipw.println(); 20805 ipw.println("Frozen packages:"); 20806 ipw.increaseIndent(); 20807 if (mFrozenPackages.size() == 0) { 20808 ipw.println("(none)"); 20809 } else { 20810 for (int i = 0; i < mFrozenPackages.size(); i++) { 20811 ipw.println(mFrozenPackages.valueAt(i)); 20812 } 20813 } 20814 ipw.decreaseIndent(); 20815 } 20816 20817 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 20818 if (dumpState.onTitlePrinted()) pw.println(); 20819 dumpDexoptStateLPr(pw, packageName); 20820 } 20821 20822 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 20823 if (dumpState.onTitlePrinted()) pw.println(); 20824 dumpCompilerStatsLPr(pw, packageName); 20825 } 20826 20827 if (!checkin && dumpState.isDumping(DumpState.DUMP_ENABLED_OVERLAYS)) { 20828 if (dumpState.onTitlePrinted()) pw.println(); 20829 dumpEnabledOverlaysLPr(pw); 20830 } 20831 20832 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 20833 if (dumpState.onTitlePrinted()) pw.println(); 20834 mSettings.dumpReadMessagesLPr(pw, dumpState); 20835 20836 pw.println(); 20837 pw.println("Package warning messages:"); 20838 BufferedReader in = null; 20839 String line = null; 20840 try { 20841 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20842 while ((line = in.readLine()) != null) { 20843 if (line.contains("ignored: updated version")) continue; 20844 pw.println(line); 20845 } 20846 } catch (IOException ignored) { 20847 } finally { 20848 IoUtils.closeQuietly(in); 20849 } 20850 } 20851 20852 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 20853 BufferedReader in = null; 20854 String line = null; 20855 try { 20856 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20857 while ((line = in.readLine()) != null) { 20858 if (line.contains("ignored: updated version")) continue; 20859 pw.print("msg,"); 20860 pw.println(line); 20861 } 20862 } catch (IOException ignored) { 20863 } finally { 20864 IoUtils.closeQuietly(in); 20865 } 20866 } 20867 } 20868 } 20869 20870 private void dumpProto(FileDescriptor fd) { 20871 final ProtoOutputStream proto = new ProtoOutputStream(fd); 20872 20873 synchronized (mPackages) { 20874 final long requiredVerifierPackageToken = 20875 proto.start(PackageServiceDumpProto.REQUIRED_VERIFIER_PACKAGE); 20876 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, mRequiredVerifierPackage); 20877 proto.write( 20878 PackageServiceDumpProto.PackageShortProto.UID, 20879 getPackageUid( 20880 mRequiredVerifierPackage, 20881 MATCH_DEBUG_TRIAGED_MISSING, 20882 UserHandle.USER_SYSTEM)); 20883 proto.end(requiredVerifierPackageToken); 20884 20885 if (mIntentFilterVerifierComponent != null) { 20886 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20887 final long verifierPackageToken = 20888 proto.start(PackageServiceDumpProto.VERIFIER_PACKAGE); 20889 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, verifierPackageName); 20890 proto.write( 20891 PackageServiceDumpProto.PackageShortProto.UID, 20892 getPackageUid( 20893 verifierPackageName, 20894 MATCH_DEBUG_TRIAGED_MISSING, 20895 UserHandle.USER_SYSTEM)); 20896 proto.end(verifierPackageToken); 20897 } 20898 20899 dumpSharedLibrariesProto(proto); 20900 dumpFeaturesProto(proto); 20901 mSettings.dumpPackagesProto(proto); 20902 mSettings.dumpSharedUsersProto(proto); 20903 dumpMessagesProto(proto); 20904 } 20905 proto.flush(); 20906 } 20907 20908 private void dumpMessagesProto(ProtoOutputStream proto) { 20909 BufferedReader in = null; 20910 String line = null; 20911 try { 20912 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20913 while ((line = in.readLine()) != null) { 20914 if (line.contains("ignored: updated version")) continue; 20915 proto.write(PackageServiceDumpProto.MESSAGES, line); 20916 } 20917 } catch (IOException ignored) { 20918 } finally { 20919 IoUtils.closeQuietly(in); 20920 } 20921 } 20922 20923 private void dumpFeaturesProto(ProtoOutputStream proto) { 20924 synchronized (mAvailableFeatures) { 20925 final int count = mAvailableFeatures.size(); 20926 for (int i = 0; i < count; i++) { 20927 final FeatureInfo feat = mAvailableFeatures.valueAt(i); 20928 final long featureToken = proto.start(PackageServiceDumpProto.FEATURES); 20929 proto.write(PackageServiceDumpProto.FeatureProto.NAME, feat.name); 20930 proto.write(PackageServiceDumpProto.FeatureProto.VERSION, feat.version); 20931 proto.end(featureToken); 20932 } 20933 } 20934 } 20935 20936 private void dumpSharedLibrariesProto(ProtoOutputStream proto) { 20937 final int count = mSharedLibraries.size(); 20938 for (int i = 0; i < count; i++) { 20939 final String libName = mSharedLibraries.keyAt(i); 20940 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20941 if (versionedLib == null) { 20942 continue; 20943 } 20944 final int versionCount = versionedLib.size(); 20945 for (int j = 0; j < versionCount; j++) { 20946 final SharedLibraryEntry libEntry = versionedLib.valueAt(j); 20947 final long sharedLibraryToken = 20948 proto.start(PackageServiceDumpProto.SHARED_LIBRARIES); 20949 proto.write(PackageServiceDumpProto.SharedLibraryProto.NAME, libEntry.info.getName()); 20950 final boolean isJar = (libEntry.path != null); 20951 proto.write(PackageServiceDumpProto.SharedLibraryProto.IS_JAR, isJar); 20952 if (isJar) { 20953 proto.write(PackageServiceDumpProto.SharedLibraryProto.PATH, libEntry.path); 20954 } else { 20955 proto.write(PackageServiceDumpProto.SharedLibraryProto.APK, libEntry.apk); 20956 } 20957 proto.end(sharedLibraryToken); 20958 } 20959 } 20960 } 20961 20962 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 20963 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20964 ipw.println(); 20965 ipw.println("Dexopt state:"); 20966 ipw.increaseIndent(); 20967 Collection<PackageParser.Package> packages = null; 20968 if (packageName != null) { 20969 PackageParser.Package targetPackage = mPackages.get(packageName); 20970 if (targetPackage != null) { 20971 packages = Collections.singletonList(targetPackage); 20972 } else { 20973 ipw.println("Unable to find package: " + packageName); 20974 return; 20975 } 20976 } else { 20977 packages = mPackages.values(); 20978 } 20979 20980 for (PackageParser.Package pkg : packages) { 20981 ipw.println("[" + pkg.packageName + "]"); 20982 ipw.increaseIndent(); 20983 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 20984 ipw.decreaseIndent(); 20985 } 20986 } 20987 20988 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 20989 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20990 ipw.println(); 20991 ipw.println("Compiler stats:"); 20992 ipw.increaseIndent(); 20993 Collection<PackageParser.Package> packages = null; 20994 if (packageName != null) { 20995 PackageParser.Package targetPackage = mPackages.get(packageName); 20996 if (targetPackage != null) { 20997 packages = Collections.singletonList(targetPackage); 20998 } else { 20999 ipw.println("Unable to find package: " + packageName); 21000 return; 21001 } 21002 } else { 21003 packages = mPackages.values(); 21004 } 21005 21006 for (PackageParser.Package pkg : packages) { 21007 ipw.println("[" + pkg.packageName + "]"); 21008 ipw.increaseIndent(); 21009 21010 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 21011 if (stats == null) { 21012 ipw.println("(No recorded stats)"); 21013 } else { 21014 stats.dump(ipw); 21015 } 21016 ipw.decreaseIndent(); 21017 } 21018 } 21019 21020 private void dumpEnabledOverlaysLPr(PrintWriter pw) { 21021 pw.println("Enabled overlay paths:"); 21022 final int N = mEnabledOverlayPaths.size(); 21023 for (int i = 0; i < N; i++) { 21024 final int userId = mEnabledOverlayPaths.keyAt(i); 21025 pw.println(String.format(" User %d:", userId)); 21026 final ArrayMap<String, ArrayList<String>> userSpecificOverlays = 21027 mEnabledOverlayPaths.valueAt(i); 21028 final int M = userSpecificOverlays.size(); 21029 for (int j = 0; j < M; j++) { 21030 final String targetPackageName = userSpecificOverlays.keyAt(j); 21031 final ArrayList<String> overlayPackagePaths = userSpecificOverlays.valueAt(j); 21032 pw.println(String.format(" %s: %s", targetPackageName, overlayPackagePaths)); 21033 } 21034 } 21035 } 21036 21037 private String dumpDomainString(String packageName) { 21038 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 21039 .getList(); 21040 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 21041 21042 ArraySet<String> result = new ArraySet<>(); 21043 if (iviList.size() > 0) { 21044 for (IntentFilterVerificationInfo ivi : iviList) { 21045 for (String host : ivi.getDomains()) { 21046 result.add(host); 21047 } 21048 } 21049 } 21050 if (filters != null && filters.size() > 0) { 21051 for (IntentFilter filter : filters) { 21052 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 21053 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 21054 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 21055 result.addAll(filter.getHostsList()); 21056 } 21057 } 21058 } 21059 21060 StringBuilder sb = new StringBuilder(result.size() * 16); 21061 for (String domain : result) { 21062 if (sb.length() > 0) sb.append(" "); 21063 sb.append(domain); 21064 } 21065 return sb.toString(); 21066 } 21067 21068 // ------- apps on sdcard specific code ------- 21069 static final boolean DEBUG_SD_INSTALL = false; 21070 21071 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 21072 21073 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 21074 21075 private boolean mMediaMounted = false; 21076 21077 static String getEncryptKey() { 21078 try { 21079 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 21080 SD_ENCRYPTION_KEYSTORE_NAME); 21081 if (sdEncKey == null) { 21082 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 21083 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 21084 if (sdEncKey == null) { 21085 Slog.e(TAG, "Failed to create encryption keys"); 21086 return null; 21087 } 21088 } 21089 return sdEncKey; 21090 } catch (NoSuchAlgorithmException nsae) { 21091 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 21092 return null; 21093 } catch (IOException ioe) { 21094 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 21095 return null; 21096 } 21097 } 21098 21099 /* 21100 * Update media status on PackageManager. 21101 */ 21102 @Override 21103 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 21104 int callingUid = Binder.getCallingUid(); 21105 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 21106 throw new SecurityException("Media status can only be updated by the system"); 21107 } 21108 // reader; this apparently protects mMediaMounted, but should probably 21109 // be a different lock in that case. 21110 synchronized (mPackages) { 21111 Log.i(TAG, "Updating external media status from " 21112 + (mMediaMounted ? "mounted" : "unmounted") + " to " 21113 + (mediaStatus ? "mounted" : "unmounted")); 21114 if (DEBUG_SD_INSTALL) 21115 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 21116 + ", mMediaMounted=" + mMediaMounted); 21117 if (mediaStatus == mMediaMounted) { 21118 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 21119 : 0, -1); 21120 mHandler.sendMessage(msg); 21121 return; 21122 } 21123 mMediaMounted = mediaStatus; 21124 } 21125 // Queue up an async operation since the package installation may take a 21126 // little while. 21127 mHandler.post(new Runnable() { 21128 public void run() { 21129 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 21130 } 21131 }); 21132 } 21133 21134 /** 21135 * Called by StorageManagerService when the initial ASECs to scan are available. 21136 * Should block until all the ASEC containers are finished being scanned. 21137 */ 21138 public void scanAvailableAsecs() { 21139 updateExternalMediaStatusInner(true, false, false); 21140 } 21141 21142 /* 21143 * Collect information of applications on external media, map them against 21144 * existing containers and update information based on current mount status. 21145 * Please note that we always have to report status if reportStatus has been 21146 * set to true especially when unloading packages. 21147 */ 21148 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 21149 boolean externalStorage) { 21150 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 21151 int[] uidArr = EmptyArray.INT; 21152 21153 final String[] list = PackageHelper.getSecureContainerList(); 21154 if (ArrayUtils.isEmpty(list)) { 21155 Log.i(TAG, "No secure containers found"); 21156 } else { 21157 // Process list of secure containers and categorize them 21158 // as active or stale based on their package internal state. 21159 21160 // reader 21161 synchronized (mPackages) { 21162 for (String cid : list) { 21163 // Leave stages untouched for now; installer service owns them 21164 if (PackageInstallerService.isStageName(cid)) continue; 21165 21166 if (DEBUG_SD_INSTALL) 21167 Log.i(TAG, "Processing container " + cid); 21168 String pkgName = getAsecPackageName(cid); 21169 if (pkgName == null) { 21170 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 21171 continue; 21172 } 21173 if (DEBUG_SD_INSTALL) 21174 Log.i(TAG, "Looking for pkg : " + pkgName); 21175 21176 final PackageSetting ps = mSettings.mPackages.get(pkgName); 21177 if (ps == null) { 21178 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 21179 continue; 21180 } 21181 21182 /* 21183 * Skip packages that are not external if we're unmounting 21184 * external storage. 21185 */ 21186 if (externalStorage && !isMounted && !isExternal(ps)) { 21187 continue; 21188 } 21189 21190 final AsecInstallArgs args = new AsecInstallArgs(cid, 21191 getAppDexInstructionSets(ps), ps.isForwardLocked()); 21192 // The package status is changed only if the code path 21193 // matches between settings and the container id. 21194 if (ps.codePathString != null 21195 && ps.codePathString.startsWith(args.getCodePath())) { 21196 if (DEBUG_SD_INSTALL) { 21197 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 21198 + " at code path: " + ps.codePathString); 21199 } 21200 21201 // We do have a valid package installed on sdcard 21202 processCids.put(args, ps.codePathString); 21203 final int uid = ps.appId; 21204 if (uid != -1) { 21205 uidArr = ArrayUtils.appendInt(uidArr, uid); 21206 } 21207 } else { 21208 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 21209 + ps.codePathString); 21210 } 21211 } 21212 } 21213 21214 Arrays.sort(uidArr); 21215 } 21216 21217 // Process packages with valid entries. 21218 if (isMounted) { 21219 if (DEBUG_SD_INSTALL) 21220 Log.i(TAG, "Loading packages"); 21221 loadMediaPackages(processCids, uidArr, externalStorage); 21222 startCleaningPackages(); 21223 mInstallerService.onSecureContainersAvailable(); 21224 } else { 21225 if (DEBUG_SD_INSTALL) 21226 Log.i(TAG, "Unloading packages"); 21227 unloadMediaPackages(processCids, uidArr, reportStatus); 21228 } 21229 } 21230 21231 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21232 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 21233 final int size = infos.size(); 21234 final String[] packageNames = new String[size]; 21235 final int[] packageUids = new int[size]; 21236 for (int i = 0; i < size; i++) { 21237 final ApplicationInfo info = infos.get(i); 21238 packageNames[i] = info.packageName; 21239 packageUids[i] = info.uid; 21240 } 21241 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 21242 finishedReceiver); 21243 } 21244 21245 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21246 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21247 sendResourcesChangedBroadcast(mediaStatus, replacing, 21248 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 21249 } 21250 21251 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21252 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21253 int size = pkgList.length; 21254 if (size > 0) { 21255 // Send broadcasts here 21256 Bundle extras = new Bundle(); 21257 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 21258 if (uidArr != null) { 21259 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 21260 } 21261 if (replacing) { 21262 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 21263 } 21264 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 21265 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 21266 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 21267 } 21268 } 21269 21270 /* 21271 * Look at potentially valid container ids from processCids If package 21272 * information doesn't match the one on record or package scanning fails, 21273 * the cid is added to list of removeCids. We currently don't delete stale 21274 * containers. 21275 */ 21276 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 21277 boolean externalStorage) { 21278 ArrayList<String> pkgList = new ArrayList<String>(); 21279 Set<AsecInstallArgs> keys = processCids.keySet(); 21280 21281 for (AsecInstallArgs args : keys) { 21282 String codePath = processCids.get(args); 21283 if (DEBUG_SD_INSTALL) 21284 Log.i(TAG, "Loading container : " + args.cid); 21285 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 21286 try { 21287 // Make sure there are no container errors first. 21288 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 21289 Slog.e(TAG, "Failed to mount cid : " + args.cid 21290 + " when installing from sdcard"); 21291 continue; 21292 } 21293 // Check code path here. 21294 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 21295 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 21296 + " does not match one in settings " + codePath); 21297 continue; 21298 } 21299 // Parse package 21300 int parseFlags = mDefParseFlags; 21301 if (args.isExternalAsec()) { 21302 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 21303 } 21304 if (args.isFwdLocked()) { 21305 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 21306 } 21307 21308 synchronized (mInstallLock) { 21309 PackageParser.Package pkg = null; 21310 try { 21311 // Sadly we don't know the package name yet to freeze it 21312 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 21313 SCAN_IGNORE_FROZEN, 0, null); 21314 } catch (PackageManagerException e) { 21315 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 21316 } 21317 // Scan the package 21318 if (pkg != null) { 21319 /* 21320 * TODO why is the lock being held? doPostInstall is 21321 * called in other places without the lock. This needs 21322 * to be straightened out. 21323 */ 21324 // writer 21325 synchronized (mPackages) { 21326 retCode = PackageManager.INSTALL_SUCCEEDED; 21327 pkgList.add(pkg.packageName); 21328 // Post process args 21329 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 21330 pkg.applicationInfo.uid); 21331 } 21332 } else { 21333 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 21334 } 21335 } 21336 21337 } finally { 21338 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 21339 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 21340 } 21341 } 21342 } 21343 // writer 21344 synchronized (mPackages) { 21345 // If the platform SDK has changed since the last time we booted, 21346 // we need to re-grant app permission to catch any new ones that 21347 // appear. This is really a hack, and means that apps can in some 21348 // cases get permissions that the user didn't initially explicitly 21349 // allow... it would be nice to have some better way to handle 21350 // this situation. 21351 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 21352 : mSettings.getInternalVersion(); 21353 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 21354 : StorageManager.UUID_PRIVATE_INTERNAL; 21355 21356 int updateFlags = UPDATE_PERMISSIONS_ALL; 21357 if (ver.sdkVersion != mSdkVersion) { 21358 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21359 + mSdkVersion + "; regranting permissions for external"); 21360 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21361 } 21362 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21363 21364 // Yay, everything is now upgraded 21365 ver.forceCurrent(); 21366 21367 // can downgrade to reader 21368 // Persist settings 21369 mSettings.writeLPr(); 21370 } 21371 // Send a broadcast to let everyone know we are done processing 21372 if (pkgList.size() > 0) { 21373 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 21374 } 21375 } 21376 21377 /* 21378 * Utility method to unload a list of specified containers 21379 */ 21380 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 21381 // Just unmount all valid containers. 21382 for (AsecInstallArgs arg : cidArgs) { 21383 synchronized (mInstallLock) { 21384 arg.doPostDeleteLI(false); 21385 } 21386 } 21387 } 21388 21389 /* 21390 * Unload packages mounted on external media. This involves deleting package 21391 * data from internal structures, sending broadcasts about disabled packages, 21392 * gc'ing to free up references, unmounting all secure containers 21393 * corresponding to packages on external media, and posting a 21394 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 21395 * that we always have to post this message if status has been requested no 21396 * matter what. 21397 */ 21398 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 21399 final boolean reportStatus) { 21400 if (DEBUG_SD_INSTALL) 21401 Log.i(TAG, "unloading media packages"); 21402 ArrayList<String> pkgList = new ArrayList<String>(); 21403 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 21404 final Set<AsecInstallArgs> keys = processCids.keySet(); 21405 for (AsecInstallArgs args : keys) { 21406 String pkgName = args.getPackageName(); 21407 if (DEBUG_SD_INSTALL) 21408 Log.i(TAG, "Trying to unload pkg : " + pkgName); 21409 // Delete package internally 21410 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21411 synchronized (mInstallLock) { 21412 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21413 final boolean res; 21414 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 21415 "unloadMediaPackages")) { 21416 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 21417 null); 21418 } 21419 if (res) { 21420 pkgList.add(pkgName); 21421 } else { 21422 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 21423 failedList.add(args); 21424 } 21425 } 21426 } 21427 21428 // reader 21429 synchronized (mPackages) { 21430 // We didn't update the settings after removing each package; 21431 // write them now for all packages. 21432 mSettings.writeLPr(); 21433 } 21434 21435 // We have to absolutely send UPDATED_MEDIA_STATUS only 21436 // after confirming that all the receivers processed the ordered 21437 // broadcast when packages get disabled, force a gc to clean things up. 21438 // and unload all the containers. 21439 if (pkgList.size() > 0) { 21440 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 21441 new IIntentReceiver.Stub() { 21442 public void performReceive(Intent intent, int resultCode, String data, 21443 Bundle extras, boolean ordered, boolean sticky, 21444 int sendingUser) throws RemoteException { 21445 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 21446 reportStatus ? 1 : 0, 1, keys); 21447 mHandler.sendMessage(msg); 21448 } 21449 }); 21450 } else { 21451 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 21452 keys); 21453 mHandler.sendMessage(msg); 21454 } 21455 } 21456 21457 private void loadPrivatePackages(final VolumeInfo vol) { 21458 mHandler.post(new Runnable() { 21459 @Override 21460 public void run() { 21461 loadPrivatePackagesInner(vol); 21462 } 21463 }); 21464 } 21465 21466 private void loadPrivatePackagesInner(VolumeInfo vol) { 21467 final String volumeUuid = vol.fsUuid; 21468 if (TextUtils.isEmpty(volumeUuid)) { 21469 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 21470 return; 21471 } 21472 21473 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 21474 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 21475 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 21476 21477 final VersionInfo ver; 21478 final List<PackageSetting> packages; 21479 synchronized (mPackages) { 21480 ver = mSettings.findOrCreateVersion(volumeUuid); 21481 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21482 } 21483 21484 for (PackageSetting ps : packages) { 21485 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 21486 synchronized (mInstallLock) { 21487 final PackageParser.Package pkg; 21488 try { 21489 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 21490 loaded.add(pkg.applicationInfo); 21491 21492 } catch (PackageManagerException e) { 21493 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 21494 } 21495 21496 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 21497 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 21498 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 21499 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 21500 } 21501 } 21502 } 21503 21504 // Reconcile app data for all started/unlocked users 21505 final StorageManager sm = mContext.getSystemService(StorageManager.class); 21506 final UserManager um = mContext.getSystemService(UserManager.class); 21507 UserManagerInternal umInternal = getUserManagerInternal(); 21508 for (UserInfo user : um.getUsers()) { 21509 final int flags; 21510 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21511 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21512 } else if (umInternal.isUserRunning(user.id)) { 21513 flags = StorageManager.FLAG_STORAGE_DE; 21514 } else { 21515 continue; 21516 } 21517 21518 try { 21519 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 21520 synchronized (mInstallLock) { 21521 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 21522 } 21523 } catch (IllegalStateException e) { 21524 // Device was probably ejected, and we'll process that event momentarily 21525 Slog.w(TAG, "Failed to prepare storage: " + e); 21526 } 21527 } 21528 21529 synchronized (mPackages) { 21530 int updateFlags = UPDATE_PERMISSIONS_ALL; 21531 if (ver.sdkVersion != mSdkVersion) { 21532 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21533 + mSdkVersion + "; regranting permissions for " + volumeUuid); 21534 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21535 } 21536 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21537 21538 // Yay, everything is now upgraded 21539 ver.forceCurrent(); 21540 21541 mSettings.writeLPr(); 21542 } 21543 21544 for (PackageFreezer freezer : freezers) { 21545 freezer.close(); 21546 } 21547 21548 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 21549 sendResourcesChangedBroadcast(true, false, loaded, null); 21550 } 21551 21552 private void unloadPrivatePackages(final VolumeInfo vol) { 21553 mHandler.post(new Runnable() { 21554 @Override 21555 public void run() { 21556 unloadPrivatePackagesInner(vol); 21557 } 21558 }); 21559 } 21560 21561 private void unloadPrivatePackagesInner(VolumeInfo vol) { 21562 final String volumeUuid = vol.fsUuid; 21563 if (TextUtils.isEmpty(volumeUuid)) { 21564 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 21565 return; 21566 } 21567 21568 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 21569 synchronized (mInstallLock) { 21570 synchronized (mPackages) { 21571 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 21572 for (PackageSetting ps : packages) { 21573 if (ps.pkg == null) continue; 21574 21575 final ApplicationInfo info = ps.pkg.applicationInfo; 21576 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21577 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21578 21579 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 21580 "unloadPrivatePackagesInner")) { 21581 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 21582 false, null)) { 21583 unloaded.add(info); 21584 } else { 21585 Slog.w(TAG, "Failed to unload " + ps.codePath); 21586 } 21587 } 21588 21589 // Try very hard to release any references to this package 21590 // so we don't risk the system server being killed due to 21591 // open FDs 21592 AttributeCache.instance().removePackage(ps.name); 21593 } 21594 21595 mSettings.writeLPr(); 21596 } 21597 } 21598 21599 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 21600 sendResourcesChangedBroadcast(false, false, unloaded, null); 21601 21602 // Try very hard to release any references to this path so we don't risk 21603 // the system server being killed due to open FDs 21604 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 21605 21606 for (int i = 0; i < 3; i++) { 21607 System.gc(); 21608 System.runFinalization(); 21609 } 21610 } 21611 21612 private void assertPackageKnown(String volumeUuid, String packageName) 21613 throws PackageManagerException { 21614 synchronized (mPackages) { 21615 // Normalize package name to handle renamed packages 21616 packageName = normalizePackageNameLPr(packageName); 21617 21618 final PackageSetting ps = mSettings.mPackages.get(packageName); 21619 if (ps == null) { 21620 throw new PackageManagerException("Package " + packageName + " is unknown"); 21621 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21622 throw new PackageManagerException( 21623 "Package " + packageName + " found on unknown volume " + volumeUuid 21624 + "; expected volume " + ps.volumeUuid); 21625 } 21626 } 21627 } 21628 21629 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 21630 throws PackageManagerException { 21631 synchronized (mPackages) { 21632 // Normalize package name to handle renamed packages 21633 packageName = normalizePackageNameLPr(packageName); 21634 21635 final PackageSetting ps = mSettings.mPackages.get(packageName); 21636 if (ps == null) { 21637 throw new PackageManagerException("Package " + packageName + " is unknown"); 21638 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21639 throw new PackageManagerException( 21640 "Package " + packageName + " found on unknown volume " + volumeUuid 21641 + "; expected volume " + ps.volumeUuid); 21642 } else if (!ps.getInstalled(userId)) { 21643 throw new PackageManagerException( 21644 "Package " + packageName + " not installed for user " + userId); 21645 } 21646 } 21647 } 21648 21649 private List<String> collectAbsoluteCodePaths() { 21650 synchronized (mPackages) { 21651 List<String> codePaths = new ArrayList<>(); 21652 final int packageCount = mSettings.mPackages.size(); 21653 for (int i = 0; i < packageCount; i++) { 21654 final PackageSetting ps = mSettings.mPackages.valueAt(i); 21655 codePaths.add(ps.codePath.getAbsolutePath()); 21656 } 21657 return codePaths; 21658 } 21659 } 21660 21661 /** 21662 * Examine all apps present on given mounted volume, and destroy apps that 21663 * aren't expected, either due to uninstallation or reinstallation on 21664 * another volume. 21665 */ 21666 private void reconcileApps(String volumeUuid) { 21667 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 21668 List<File> filesToDelete = null; 21669 21670 final File[] files = FileUtils.listFilesOrEmpty( 21671 Environment.getDataAppDirectory(volumeUuid)); 21672 for (File file : files) { 21673 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 21674 && !PackageInstallerService.isStageName(file.getName()); 21675 if (!isPackage) { 21676 // Ignore entries which are not packages 21677 continue; 21678 } 21679 21680 String absolutePath = file.getAbsolutePath(); 21681 21682 boolean pathValid = false; 21683 final int absoluteCodePathCount = absoluteCodePaths.size(); 21684 for (int i = 0; i < absoluteCodePathCount; i++) { 21685 String absoluteCodePath = absoluteCodePaths.get(i); 21686 if (absolutePath.startsWith(absoluteCodePath)) { 21687 pathValid = true; 21688 break; 21689 } 21690 } 21691 21692 if (!pathValid) { 21693 if (filesToDelete == null) { 21694 filesToDelete = new ArrayList<>(); 21695 } 21696 filesToDelete.add(file); 21697 } 21698 } 21699 21700 if (filesToDelete != null) { 21701 final int fileToDeleteCount = filesToDelete.size(); 21702 for (int i = 0; i < fileToDeleteCount; i++) { 21703 File fileToDelete = filesToDelete.get(i); 21704 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 21705 synchronized (mInstallLock) { 21706 removeCodePathLI(fileToDelete); 21707 } 21708 } 21709 } 21710 } 21711 21712 /** 21713 * Reconcile all app data for the given user. 21714 * <p> 21715 * Verifies that directories exist and that ownership and labeling is 21716 * correct for all installed apps on all mounted volumes. 21717 */ 21718 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 21719 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21720 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 21721 final String volumeUuid = vol.getFsUuid(); 21722 synchronized (mInstallLock) { 21723 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 21724 } 21725 } 21726 } 21727 21728 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21729 boolean migrateAppData) { 21730 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppData, false /* onlyCoreApps */); 21731 } 21732 21733 /** 21734 * Reconcile all app data on given mounted volume. 21735 * <p> 21736 * Destroys app data that isn't expected, either due to uninstallation or 21737 * reinstallation on another volume. 21738 * <p> 21739 * Verifies that directories exist and that ownership and labeling is 21740 * correct for all installed apps. 21741 * @returns list of skipped non-core packages (if {@code onlyCoreApps} is true) 21742 */ 21743 private List<String> reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21744 boolean migrateAppData, boolean onlyCoreApps) { 21745 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 21746 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 21747 List<String> result = onlyCoreApps ? new ArrayList<>() : null; 21748 21749 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 21750 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 21751 21752 // First look for stale data that doesn't belong, and check if things 21753 // have changed since we did our last restorecon 21754 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21755 if (StorageManager.isFileEncryptedNativeOrEmulated() 21756 && !StorageManager.isUserKeyUnlocked(userId)) { 21757 throw new RuntimeException( 21758 "Yikes, someone asked us to reconcile CE storage while " + userId 21759 + " was still locked; this would have caused massive data loss!"); 21760 } 21761 21762 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 21763 for (File file : files) { 21764 final String packageName = file.getName(); 21765 try { 21766 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21767 } catch (PackageManagerException e) { 21768 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21769 try { 21770 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21771 StorageManager.FLAG_STORAGE_CE, 0); 21772 } catch (InstallerException e2) { 21773 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21774 } 21775 } 21776 } 21777 } 21778 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 21779 final File[] files = FileUtils.listFilesOrEmpty(deDir); 21780 for (File file : files) { 21781 final String packageName = file.getName(); 21782 try { 21783 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21784 } catch (PackageManagerException e) { 21785 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21786 try { 21787 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21788 StorageManager.FLAG_STORAGE_DE, 0); 21789 } catch (InstallerException e2) { 21790 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21791 } 21792 } 21793 } 21794 } 21795 21796 // Ensure that data directories are ready to roll for all packages 21797 // installed for this volume and user 21798 final List<PackageSetting> packages; 21799 synchronized (mPackages) { 21800 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21801 } 21802 int preparedCount = 0; 21803 for (PackageSetting ps : packages) { 21804 final String packageName = ps.name; 21805 if (ps.pkg == null) { 21806 Slog.w(TAG, "Odd, missing scanned package " + packageName); 21807 // TODO: might be due to legacy ASEC apps; we should circle back 21808 // and reconcile again once they're scanned 21809 continue; 21810 } 21811 // Skip non-core apps if requested 21812 if (onlyCoreApps && !ps.pkg.coreApp) { 21813 result.add(packageName); 21814 continue; 21815 } 21816 21817 if (ps.getInstalled(userId)) { 21818 prepareAppDataAndMigrateLIF(ps.pkg, userId, flags, migrateAppData); 21819 preparedCount++; 21820 } 21821 } 21822 21823 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 21824 return result; 21825 } 21826 21827 /** 21828 * Prepare app data for the given app just after it was installed or 21829 * upgraded. This method carefully only touches users that it's installed 21830 * for, and it forces a restorecon to handle any seinfo changes. 21831 * <p> 21832 * Verifies that directories exist and that ownership and labeling is 21833 * correct for all installed apps. If there is an ownership mismatch, it 21834 * will try recovering system apps by wiping data; third-party app data is 21835 * left intact. 21836 * <p> 21837 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 21838 */ 21839 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 21840 final PackageSetting ps; 21841 synchronized (mPackages) { 21842 ps = mSettings.mPackages.get(pkg.packageName); 21843 mSettings.writeKernelMappingLPr(ps); 21844 } 21845 21846 final UserManager um = mContext.getSystemService(UserManager.class); 21847 UserManagerInternal umInternal = getUserManagerInternal(); 21848 for (UserInfo user : um.getUsers()) { 21849 final int flags; 21850 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21851 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21852 } else if (umInternal.isUserRunning(user.id)) { 21853 flags = StorageManager.FLAG_STORAGE_DE; 21854 } else { 21855 continue; 21856 } 21857 21858 if (ps.getInstalled(user.id)) { 21859 // TODO: when user data is locked, mark that we're still dirty 21860 prepareAppDataLIF(pkg, user.id, flags); 21861 } 21862 } 21863 } 21864 21865 /** 21866 * Prepare app data for the given app. 21867 * <p> 21868 * Verifies that directories exist and that ownership and labeling is 21869 * correct for all installed apps. If there is an ownership mismatch, this 21870 * will try recovering system apps by wiping data; third-party app data is 21871 * left intact. 21872 */ 21873 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 21874 if (pkg == null) { 21875 Slog.wtf(TAG, "Package was null!", new Throwable()); 21876 return; 21877 } 21878 prepareAppDataLeafLIF(pkg, userId, flags); 21879 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21880 for (int i = 0; i < childCount; i++) { 21881 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 21882 } 21883 } 21884 21885 private void prepareAppDataAndMigrateLIF(PackageParser.Package pkg, int userId, int flags, 21886 boolean maybeMigrateAppData) { 21887 prepareAppDataLIF(pkg, userId, flags); 21888 21889 if (maybeMigrateAppData && maybeMigrateAppDataLIF(pkg, userId)) { 21890 // We may have just shuffled around app data directories, so 21891 // prepare them one more time 21892 prepareAppDataLIF(pkg, userId, flags); 21893 } 21894 } 21895 21896 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21897 if (DEBUG_APP_DATA) { 21898 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 21899 + Integer.toHexString(flags)); 21900 } 21901 21902 final String volumeUuid = pkg.volumeUuid; 21903 final String packageName = pkg.packageName; 21904 final ApplicationInfo app = pkg.applicationInfo; 21905 final int appId = UserHandle.getAppId(app.uid); 21906 21907 Preconditions.checkNotNull(app.seInfo); 21908 21909 long ceDataInode = -1; 21910 try { 21911 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21912 appId, app.seInfo, app.targetSdkVersion); 21913 } catch (InstallerException e) { 21914 if (app.isSystemApp()) { 21915 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 21916 + ", but trying to recover: " + e); 21917 destroyAppDataLeafLIF(pkg, userId, flags); 21918 try { 21919 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21920 appId, app.seInfo, app.targetSdkVersion); 21921 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 21922 } catch (InstallerException e2) { 21923 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 21924 } 21925 } else { 21926 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 21927 } 21928 } 21929 21930 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 21931 // TODO: mark this structure as dirty so we persist it! 21932 synchronized (mPackages) { 21933 final PackageSetting ps = mSettings.mPackages.get(packageName); 21934 if (ps != null) { 21935 ps.setCeDataInode(ceDataInode, userId); 21936 } 21937 } 21938 } 21939 21940 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21941 } 21942 21943 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 21944 if (pkg == null) { 21945 Slog.wtf(TAG, "Package was null!", new Throwable()); 21946 return; 21947 } 21948 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21949 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21950 for (int i = 0; i < childCount; i++) { 21951 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 21952 } 21953 } 21954 21955 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21956 final String volumeUuid = pkg.volumeUuid; 21957 final String packageName = pkg.packageName; 21958 final ApplicationInfo app = pkg.applicationInfo; 21959 21960 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21961 // Create a native library symlink only if we have native libraries 21962 // and if the native libraries are 32 bit libraries. We do not provide 21963 // this symlink for 64 bit libraries. 21964 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 21965 final String nativeLibPath = app.nativeLibraryDir; 21966 try { 21967 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 21968 nativeLibPath, userId); 21969 } catch (InstallerException e) { 21970 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 21971 } 21972 } 21973 } 21974 } 21975 21976 /** 21977 * For system apps on non-FBE devices, this method migrates any existing 21978 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 21979 * requested by the app. 21980 */ 21981 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 21982 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 21983 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 21984 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 21985 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 21986 try { 21987 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 21988 storageTarget); 21989 } catch (InstallerException e) { 21990 logCriticalInfo(Log.WARN, 21991 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 21992 } 21993 return true; 21994 } else { 21995 return false; 21996 } 21997 } 21998 21999 public PackageFreezer freezePackage(String packageName, String killReason) { 22000 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 22001 } 22002 22003 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 22004 return new PackageFreezer(packageName, userId, killReason); 22005 } 22006 22007 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 22008 String killReason) { 22009 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 22010 } 22011 22012 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 22013 String killReason) { 22014 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 22015 return new PackageFreezer(); 22016 } else { 22017 return freezePackage(packageName, userId, killReason); 22018 } 22019 } 22020 22021 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 22022 String killReason) { 22023 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 22024 } 22025 22026 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 22027 String killReason) { 22028 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 22029 return new PackageFreezer(); 22030 } else { 22031 return freezePackage(packageName, userId, killReason); 22032 } 22033 } 22034 22035 /** 22036 * Class that freezes and kills the given package upon creation, and 22037 * unfreezes it upon closing. This is typically used when doing surgery on 22038 * app code/data to prevent the app from running while you're working. 22039 */ 22040 private class PackageFreezer implements AutoCloseable { 22041 private final String mPackageName; 22042 private final PackageFreezer[] mChildren; 22043 22044 private final boolean mWeFroze; 22045 22046 private final AtomicBoolean mClosed = new AtomicBoolean(); 22047 private final CloseGuard mCloseGuard = CloseGuard.get(); 22048 22049 /** 22050 * Create and return a stub freezer that doesn't actually do anything, 22051 * typically used when someone requested 22052 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 22053 * {@link PackageManager#DELETE_DONT_KILL_APP}. 22054 */ 22055 public PackageFreezer() { 22056 mPackageName = null; 22057 mChildren = null; 22058 mWeFroze = false; 22059 mCloseGuard.open("close"); 22060 } 22061 22062 public PackageFreezer(String packageName, int userId, String killReason) { 22063 synchronized (mPackages) { 22064 mPackageName = packageName; 22065 mWeFroze = mFrozenPackages.add(mPackageName); 22066 22067 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 22068 if (ps != null) { 22069 killApplication(ps.name, ps.appId, userId, killReason); 22070 } 22071 22072 final PackageParser.Package p = mPackages.get(packageName); 22073 if (p != null && p.childPackages != null) { 22074 final int N = p.childPackages.size(); 22075 mChildren = new PackageFreezer[N]; 22076 for (int i = 0; i < N; i++) { 22077 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 22078 userId, killReason); 22079 } 22080 } else { 22081 mChildren = null; 22082 } 22083 } 22084 mCloseGuard.open("close"); 22085 } 22086 22087 @Override 22088 protected void finalize() throws Throwable { 22089 try { 22090 mCloseGuard.warnIfOpen(); 22091 close(); 22092 } finally { 22093 super.finalize(); 22094 } 22095 } 22096 22097 @Override 22098 public void close() { 22099 mCloseGuard.close(); 22100 if (mClosed.compareAndSet(false, true)) { 22101 synchronized (mPackages) { 22102 if (mWeFroze) { 22103 mFrozenPackages.remove(mPackageName); 22104 } 22105 22106 if (mChildren != null) { 22107 for (PackageFreezer freezer : mChildren) { 22108 freezer.close(); 22109 } 22110 } 22111 } 22112 } 22113 } 22114 } 22115 22116 /** 22117 * Verify that given package is currently frozen. 22118 */ 22119 private void checkPackageFrozen(String packageName) { 22120 synchronized (mPackages) { 22121 if (!mFrozenPackages.contains(packageName)) { 22122 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 22123 } 22124 } 22125 } 22126 22127 @Override 22128 public int movePackage(final String packageName, final String volumeUuid) { 22129 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22130 22131 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 22132 final int moveId = mNextMoveId.getAndIncrement(); 22133 mHandler.post(new Runnable() { 22134 @Override 22135 public void run() { 22136 try { 22137 movePackageInternal(packageName, volumeUuid, moveId, user); 22138 } catch (PackageManagerException e) { 22139 Slog.w(TAG, "Failed to move " + packageName, e); 22140 mMoveCallbacks.notifyStatusChanged(moveId, 22141 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22142 } 22143 } 22144 }); 22145 return moveId; 22146 } 22147 22148 private void movePackageInternal(final String packageName, final String volumeUuid, 22149 final int moveId, UserHandle user) throws PackageManagerException { 22150 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22151 final PackageManager pm = mContext.getPackageManager(); 22152 22153 final boolean currentAsec; 22154 final String currentVolumeUuid; 22155 final File codeFile; 22156 final String installerPackageName; 22157 final String packageAbiOverride; 22158 final int appId; 22159 final String seinfo; 22160 final String label; 22161 final int targetSdkVersion; 22162 final PackageFreezer freezer; 22163 final int[] installedUserIds; 22164 22165 // reader 22166 synchronized (mPackages) { 22167 final PackageParser.Package pkg = mPackages.get(packageName); 22168 final PackageSetting ps = mSettings.mPackages.get(packageName); 22169 if (pkg == null || ps == null) { 22170 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 22171 } 22172 22173 if (pkg.applicationInfo.isSystemApp()) { 22174 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 22175 "Cannot move system application"); 22176 } 22177 22178 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 22179 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 22180 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 22181 if (isInternalStorage && !allow3rdPartyOnInternal) { 22182 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 22183 "3rd party apps are not allowed on internal storage"); 22184 } 22185 22186 if (pkg.applicationInfo.isExternalAsec()) { 22187 currentAsec = true; 22188 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 22189 } else if (pkg.applicationInfo.isForwardLocked()) { 22190 currentAsec = true; 22191 currentVolumeUuid = "forward_locked"; 22192 } else { 22193 currentAsec = false; 22194 currentVolumeUuid = ps.volumeUuid; 22195 22196 final File probe = new File(pkg.codePath); 22197 final File probeOat = new File(probe, "oat"); 22198 if (!probe.isDirectory() || !probeOat.isDirectory()) { 22199 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22200 "Move only supported for modern cluster style installs"); 22201 } 22202 } 22203 22204 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 22205 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22206 "Package already moved to " + volumeUuid); 22207 } 22208 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 22209 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 22210 "Device admin cannot be moved"); 22211 } 22212 22213 if (mFrozenPackages.contains(packageName)) { 22214 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 22215 "Failed to move already frozen package"); 22216 } 22217 22218 codeFile = new File(pkg.codePath); 22219 installerPackageName = ps.installerPackageName; 22220 packageAbiOverride = ps.cpuAbiOverrideString; 22221 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 22222 seinfo = pkg.applicationInfo.seInfo; 22223 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 22224 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 22225 freezer = freezePackage(packageName, "movePackageInternal"); 22226 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 22227 } 22228 22229 final Bundle extras = new Bundle(); 22230 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 22231 extras.putString(Intent.EXTRA_TITLE, label); 22232 mMoveCallbacks.notifyCreated(moveId, extras); 22233 22234 int installFlags; 22235 final boolean moveCompleteApp; 22236 final File measurePath; 22237 22238 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 22239 installFlags = INSTALL_INTERNAL; 22240 moveCompleteApp = !currentAsec; 22241 measurePath = Environment.getDataAppDirectory(volumeUuid); 22242 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 22243 installFlags = INSTALL_EXTERNAL; 22244 moveCompleteApp = false; 22245 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 22246 } else { 22247 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 22248 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 22249 || !volume.isMountedWritable()) { 22250 freezer.close(); 22251 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22252 "Move location not mounted private volume"); 22253 } 22254 22255 Preconditions.checkState(!currentAsec); 22256 22257 installFlags = INSTALL_INTERNAL; 22258 moveCompleteApp = true; 22259 measurePath = Environment.getDataAppDirectory(volumeUuid); 22260 } 22261 22262 final PackageStats stats = new PackageStats(null, -1); 22263 synchronized (mInstaller) { 22264 for (int userId : installedUserIds) { 22265 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 22266 freezer.close(); 22267 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22268 "Failed to measure package size"); 22269 } 22270 } 22271 } 22272 22273 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 22274 + stats.dataSize); 22275 22276 final long startFreeBytes = measurePath.getFreeSpace(); 22277 final long sizeBytes; 22278 if (moveCompleteApp) { 22279 sizeBytes = stats.codeSize + stats.dataSize; 22280 } else { 22281 sizeBytes = stats.codeSize; 22282 } 22283 22284 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 22285 freezer.close(); 22286 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22287 "Not enough free space to move"); 22288 } 22289 22290 mMoveCallbacks.notifyStatusChanged(moveId, 10); 22291 22292 final CountDownLatch installedLatch = new CountDownLatch(1); 22293 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 22294 @Override 22295 public void onUserActionRequired(Intent intent) throws RemoteException { 22296 throw new IllegalStateException(); 22297 } 22298 22299 @Override 22300 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 22301 Bundle extras) throws RemoteException { 22302 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 22303 + PackageManager.installStatusToString(returnCode, msg)); 22304 22305 installedLatch.countDown(); 22306 freezer.close(); 22307 22308 final int status = PackageManager.installStatusToPublicStatus(returnCode); 22309 switch (status) { 22310 case PackageInstaller.STATUS_SUCCESS: 22311 mMoveCallbacks.notifyStatusChanged(moveId, 22312 PackageManager.MOVE_SUCCEEDED); 22313 break; 22314 case PackageInstaller.STATUS_FAILURE_STORAGE: 22315 mMoveCallbacks.notifyStatusChanged(moveId, 22316 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 22317 break; 22318 default: 22319 mMoveCallbacks.notifyStatusChanged(moveId, 22320 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22321 break; 22322 } 22323 } 22324 }; 22325 22326 final MoveInfo move; 22327 if (moveCompleteApp) { 22328 // Kick off a thread to report progress estimates 22329 new Thread() { 22330 @Override 22331 public void run() { 22332 while (true) { 22333 try { 22334 if (installedLatch.await(1, TimeUnit.SECONDS)) { 22335 break; 22336 } 22337 } catch (InterruptedException ignored) { 22338 } 22339 22340 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 22341 final int progress = 10 + (int) MathUtils.constrain( 22342 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 22343 mMoveCallbacks.notifyStatusChanged(moveId, progress); 22344 } 22345 } 22346 }.start(); 22347 22348 final String dataAppName = codeFile.getName(); 22349 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 22350 dataAppName, appId, seinfo, targetSdkVersion); 22351 } else { 22352 move = null; 22353 } 22354 22355 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 22356 22357 final Message msg = mHandler.obtainMessage(INIT_COPY); 22358 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 22359 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 22360 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 22361 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/, 22362 PackageManager.INSTALL_REASON_UNKNOWN); 22363 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 22364 msg.obj = params; 22365 22366 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 22367 System.identityHashCode(msg.obj)); 22368 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 22369 System.identityHashCode(msg.obj)); 22370 22371 mHandler.sendMessage(msg); 22372 } 22373 22374 @Override 22375 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 22376 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22377 22378 final int realMoveId = mNextMoveId.getAndIncrement(); 22379 final Bundle extras = new Bundle(); 22380 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 22381 mMoveCallbacks.notifyCreated(realMoveId, extras); 22382 22383 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 22384 @Override 22385 public void onCreated(int moveId, Bundle extras) { 22386 // Ignored 22387 } 22388 22389 @Override 22390 public void onStatusChanged(int moveId, int status, long estMillis) { 22391 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 22392 } 22393 }; 22394 22395 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22396 storage.setPrimaryStorageUuid(volumeUuid, callback); 22397 return realMoveId; 22398 } 22399 22400 @Override 22401 public int getMoveStatus(int moveId) { 22402 mContext.enforceCallingOrSelfPermission( 22403 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22404 return mMoveCallbacks.mLastStatus.get(moveId); 22405 } 22406 22407 @Override 22408 public void registerMoveCallback(IPackageMoveObserver callback) { 22409 mContext.enforceCallingOrSelfPermission( 22410 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22411 mMoveCallbacks.register(callback); 22412 } 22413 22414 @Override 22415 public void unregisterMoveCallback(IPackageMoveObserver callback) { 22416 mContext.enforceCallingOrSelfPermission( 22417 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22418 mMoveCallbacks.unregister(callback); 22419 } 22420 22421 @Override 22422 public boolean setInstallLocation(int loc) { 22423 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 22424 null); 22425 if (getInstallLocation() == loc) { 22426 return true; 22427 } 22428 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 22429 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 22430 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 22431 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 22432 return true; 22433 } 22434 return false; 22435 } 22436 22437 @Override 22438 public int getInstallLocation() { 22439 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 22440 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 22441 PackageHelper.APP_INSTALL_AUTO); 22442 } 22443 22444 /** Called by UserManagerService */ 22445 void cleanUpUser(UserManagerService userManager, int userHandle) { 22446 synchronized (mPackages) { 22447 mDirtyUsers.remove(userHandle); 22448 mUserNeedsBadging.delete(userHandle); 22449 mSettings.removeUserLPw(userHandle); 22450 mPendingBroadcasts.remove(userHandle); 22451 mInstantAppRegistry.onUserRemovedLPw(userHandle); 22452 removeUnusedPackagesLPw(userManager, userHandle); 22453 } 22454 } 22455 22456 /** 22457 * We're removing userHandle and would like to remove any downloaded packages 22458 * that are no longer in use by any other user. 22459 * @param userHandle the user being removed 22460 */ 22461 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 22462 final boolean DEBUG_CLEAN_APKS = false; 22463 int [] users = userManager.getUserIds(); 22464 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 22465 while (psit.hasNext()) { 22466 PackageSetting ps = psit.next(); 22467 if (ps.pkg == null) { 22468 continue; 22469 } 22470 final String packageName = ps.pkg.packageName; 22471 // Skip over if system app 22472 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 22473 continue; 22474 } 22475 if (DEBUG_CLEAN_APKS) { 22476 Slog.i(TAG, "Checking package " + packageName); 22477 } 22478 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 22479 if (keep) { 22480 if (DEBUG_CLEAN_APKS) { 22481 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 22482 } 22483 } else { 22484 for (int i = 0; i < users.length; i++) { 22485 if (users[i] != userHandle && ps.getInstalled(users[i])) { 22486 keep = true; 22487 if (DEBUG_CLEAN_APKS) { 22488 Slog.i(TAG, " Keeping package " + packageName + " for user " 22489 + users[i]); 22490 } 22491 break; 22492 } 22493 } 22494 } 22495 if (!keep) { 22496 if (DEBUG_CLEAN_APKS) { 22497 Slog.i(TAG, " Removing package " + packageName); 22498 } 22499 mHandler.post(new Runnable() { 22500 public void run() { 22501 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22502 userHandle, 0); 22503 } //end run 22504 }); 22505 } 22506 } 22507 } 22508 22509 /** Called by UserManagerService */ 22510 void createNewUser(int userId, String[] disallowedPackages) { 22511 synchronized (mInstallLock) { 22512 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 22513 } 22514 synchronized (mPackages) { 22515 scheduleWritePackageRestrictionsLocked(userId); 22516 scheduleWritePackageListLocked(userId); 22517 applyFactoryDefaultBrowserLPw(userId); 22518 primeDomainVerificationsLPw(userId); 22519 } 22520 } 22521 22522 void onNewUserCreated(final int userId) { 22523 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 22524 // If permission review for legacy apps is required, we represent 22525 // dagerous permissions for such apps as always granted runtime 22526 // permissions to keep per user flag state whether review is needed. 22527 // Hence, if a new user is added we have to propagate dangerous 22528 // permission grants for these legacy apps. 22529 if (mPermissionReviewRequired) { 22530 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 22531 | UPDATE_PERMISSIONS_REPLACE_ALL); 22532 } 22533 } 22534 22535 @Override 22536 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 22537 mContext.enforceCallingOrSelfPermission( 22538 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 22539 "Only package verification agents can read the verifier device identity"); 22540 22541 synchronized (mPackages) { 22542 return mSettings.getVerifierDeviceIdentityLPw(); 22543 } 22544 } 22545 22546 @Override 22547 public void setPermissionEnforced(String permission, boolean enforced) { 22548 // TODO: Now that we no longer change GID for storage, this should to away. 22549 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 22550 "setPermissionEnforced"); 22551 if (READ_EXTERNAL_STORAGE.equals(permission)) { 22552 synchronized (mPackages) { 22553 if (mSettings.mReadExternalStorageEnforced == null 22554 || mSettings.mReadExternalStorageEnforced != enforced) { 22555 mSettings.mReadExternalStorageEnforced = enforced; 22556 mSettings.writeLPr(); 22557 } 22558 } 22559 // kill any non-foreground processes so we restart them and 22560 // grant/revoke the GID. 22561 final IActivityManager am = ActivityManager.getService(); 22562 if (am != null) { 22563 final long token = Binder.clearCallingIdentity(); 22564 try { 22565 am.killProcessesBelowForeground("setPermissionEnforcement"); 22566 } catch (RemoteException e) { 22567 } finally { 22568 Binder.restoreCallingIdentity(token); 22569 } 22570 } 22571 } else { 22572 throw new IllegalArgumentException("No selective enforcement for " + permission); 22573 } 22574 } 22575 22576 @Override 22577 @Deprecated 22578 public boolean isPermissionEnforced(String permission) { 22579 return true; 22580 } 22581 22582 @Override 22583 public boolean isStorageLow() { 22584 final long token = Binder.clearCallingIdentity(); 22585 try { 22586 final DeviceStorageMonitorInternal 22587 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 22588 if (dsm != null) { 22589 return dsm.isMemoryLow(); 22590 } else { 22591 return false; 22592 } 22593 } finally { 22594 Binder.restoreCallingIdentity(token); 22595 } 22596 } 22597 22598 @Override 22599 public IPackageInstaller getPackageInstaller() { 22600 return mInstallerService; 22601 } 22602 22603 private boolean userNeedsBadging(int userId) { 22604 int index = mUserNeedsBadging.indexOfKey(userId); 22605 if (index < 0) { 22606 final UserInfo userInfo; 22607 final long token = Binder.clearCallingIdentity(); 22608 try { 22609 userInfo = sUserManager.getUserInfo(userId); 22610 } finally { 22611 Binder.restoreCallingIdentity(token); 22612 } 22613 final boolean b; 22614 if (userInfo != null && userInfo.isManagedProfile()) { 22615 b = true; 22616 } else { 22617 b = false; 22618 } 22619 mUserNeedsBadging.put(userId, b); 22620 return b; 22621 } 22622 return mUserNeedsBadging.valueAt(index); 22623 } 22624 22625 @Override 22626 public KeySet getKeySetByAlias(String packageName, String alias) { 22627 if (packageName == null || alias == null) { 22628 return null; 22629 } 22630 synchronized(mPackages) { 22631 final PackageParser.Package pkg = mPackages.get(packageName); 22632 if (pkg == null) { 22633 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22634 throw new IllegalArgumentException("Unknown package: " + packageName); 22635 } 22636 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22637 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 22638 } 22639 } 22640 22641 @Override 22642 public KeySet getSigningKeySet(String packageName) { 22643 if (packageName == null) { 22644 return null; 22645 } 22646 synchronized(mPackages) { 22647 final PackageParser.Package pkg = mPackages.get(packageName); 22648 if (pkg == null) { 22649 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22650 throw new IllegalArgumentException("Unknown package: " + packageName); 22651 } 22652 if (pkg.applicationInfo.uid != Binder.getCallingUid() 22653 && Process.SYSTEM_UID != Binder.getCallingUid()) { 22654 throw new SecurityException("May not access signing KeySet of other apps."); 22655 } 22656 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22657 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 22658 } 22659 } 22660 22661 @Override 22662 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 22663 if (packageName == null || ks == null) { 22664 return false; 22665 } 22666 synchronized(mPackages) { 22667 final PackageParser.Package pkg = mPackages.get(packageName); 22668 if (pkg == null) { 22669 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22670 throw new IllegalArgumentException("Unknown package: " + packageName); 22671 } 22672 IBinder ksh = ks.getToken(); 22673 if (ksh instanceof KeySetHandle) { 22674 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22675 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 22676 } 22677 return false; 22678 } 22679 } 22680 22681 @Override 22682 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 22683 if (packageName == null || ks == null) { 22684 return false; 22685 } 22686 synchronized(mPackages) { 22687 final PackageParser.Package pkg = mPackages.get(packageName); 22688 if (pkg == null) { 22689 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22690 throw new IllegalArgumentException("Unknown package: " + packageName); 22691 } 22692 IBinder ksh = ks.getToken(); 22693 if (ksh instanceof KeySetHandle) { 22694 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22695 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 22696 } 22697 return false; 22698 } 22699 } 22700 22701 private void deletePackageIfUnusedLPr(final String packageName) { 22702 PackageSetting ps = mSettings.mPackages.get(packageName); 22703 if (ps == null) { 22704 return; 22705 } 22706 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 22707 // TODO Implement atomic delete if package is unused 22708 // It is currently possible that the package will be deleted even if it is installed 22709 // after this method returns. 22710 mHandler.post(new Runnable() { 22711 public void run() { 22712 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22713 0, PackageManager.DELETE_ALL_USERS); 22714 } 22715 }); 22716 } 22717 } 22718 22719 /** 22720 * Check and throw if the given before/after packages would be considered a 22721 * downgrade. 22722 */ 22723 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 22724 throws PackageManagerException { 22725 if (after.versionCode < before.mVersionCode) { 22726 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22727 "Update version code " + after.versionCode + " is older than current " 22728 + before.mVersionCode); 22729 } else if (after.versionCode == before.mVersionCode) { 22730 if (after.baseRevisionCode < before.baseRevisionCode) { 22731 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22732 "Update base revision code " + after.baseRevisionCode 22733 + " is older than current " + before.baseRevisionCode); 22734 } 22735 22736 if (!ArrayUtils.isEmpty(after.splitNames)) { 22737 for (int i = 0; i < after.splitNames.length; i++) { 22738 final String splitName = after.splitNames[i]; 22739 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 22740 if (j != -1) { 22741 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 22742 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22743 "Update split " + splitName + " revision code " 22744 + after.splitRevisionCodes[i] + " is older than current " 22745 + before.splitRevisionCodes[j]); 22746 } 22747 } 22748 } 22749 } 22750 } 22751 } 22752 22753 private static class MoveCallbacks extends Handler { 22754 private static final int MSG_CREATED = 1; 22755 private static final int MSG_STATUS_CHANGED = 2; 22756 22757 private final RemoteCallbackList<IPackageMoveObserver> 22758 mCallbacks = new RemoteCallbackList<>(); 22759 22760 private final SparseIntArray mLastStatus = new SparseIntArray(); 22761 22762 public MoveCallbacks(Looper looper) { 22763 super(looper); 22764 } 22765 22766 public void register(IPackageMoveObserver callback) { 22767 mCallbacks.register(callback); 22768 } 22769 22770 public void unregister(IPackageMoveObserver callback) { 22771 mCallbacks.unregister(callback); 22772 } 22773 22774 @Override 22775 public void handleMessage(Message msg) { 22776 final SomeArgs args = (SomeArgs) msg.obj; 22777 final int n = mCallbacks.beginBroadcast(); 22778 for (int i = 0; i < n; i++) { 22779 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 22780 try { 22781 invokeCallback(callback, msg.what, args); 22782 } catch (RemoteException ignored) { 22783 } 22784 } 22785 mCallbacks.finishBroadcast(); 22786 args.recycle(); 22787 } 22788 22789 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 22790 throws RemoteException { 22791 switch (what) { 22792 case MSG_CREATED: { 22793 callback.onCreated(args.argi1, (Bundle) args.arg2); 22794 break; 22795 } 22796 case MSG_STATUS_CHANGED: { 22797 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 22798 break; 22799 } 22800 } 22801 } 22802 22803 private void notifyCreated(int moveId, Bundle extras) { 22804 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 22805 22806 final SomeArgs args = SomeArgs.obtain(); 22807 args.argi1 = moveId; 22808 args.arg2 = extras; 22809 obtainMessage(MSG_CREATED, args).sendToTarget(); 22810 } 22811 22812 private void notifyStatusChanged(int moveId, int status) { 22813 notifyStatusChanged(moveId, status, -1); 22814 } 22815 22816 private void notifyStatusChanged(int moveId, int status, long estMillis) { 22817 Slog.v(TAG, "Move " + moveId + " status " + status); 22818 22819 final SomeArgs args = SomeArgs.obtain(); 22820 args.argi1 = moveId; 22821 args.argi2 = status; 22822 args.arg3 = estMillis; 22823 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 22824 22825 synchronized (mLastStatus) { 22826 mLastStatus.put(moveId, status); 22827 } 22828 } 22829 } 22830 22831 private final static class OnPermissionChangeListeners extends Handler { 22832 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 22833 22834 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 22835 new RemoteCallbackList<>(); 22836 22837 public OnPermissionChangeListeners(Looper looper) { 22838 super(looper); 22839 } 22840 22841 @Override 22842 public void handleMessage(Message msg) { 22843 switch (msg.what) { 22844 case MSG_ON_PERMISSIONS_CHANGED: { 22845 final int uid = msg.arg1; 22846 handleOnPermissionsChanged(uid); 22847 } break; 22848 } 22849 } 22850 22851 public void addListenerLocked(IOnPermissionsChangeListener listener) { 22852 mPermissionListeners.register(listener); 22853 22854 } 22855 22856 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 22857 mPermissionListeners.unregister(listener); 22858 } 22859 22860 public void onPermissionsChanged(int uid) { 22861 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 22862 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 22863 } 22864 } 22865 22866 private void handleOnPermissionsChanged(int uid) { 22867 final int count = mPermissionListeners.beginBroadcast(); 22868 try { 22869 for (int i = 0; i < count; i++) { 22870 IOnPermissionsChangeListener callback = mPermissionListeners 22871 .getBroadcastItem(i); 22872 try { 22873 callback.onPermissionsChanged(uid); 22874 } catch (RemoteException e) { 22875 Log.e(TAG, "Permission listener is dead", e); 22876 } 22877 } 22878 } finally { 22879 mPermissionListeners.finishBroadcast(); 22880 } 22881 } 22882 } 22883 22884 private class PackageManagerInternalImpl extends PackageManagerInternal { 22885 @Override 22886 public void setLocationPackagesProvider(PackagesProvider provider) { 22887 synchronized (mPackages) { 22888 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 22889 } 22890 } 22891 22892 @Override 22893 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 22894 synchronized (mPackages) { 22895 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 22896 } 22897 } 22898 22899 @Override 22900 public void setSmsAppPackagesProvider(PackagesProvider provider) { 22901 synchronized (mPackages) { 22902 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 22903 } 22904 } 22905 22906 @Override 22907 public void setDialerAppPackagesProvider(PackagesProvider provider) { 22908 synchronized (mPackages) { 22909 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 22910 } 22911 } 22912 22913 @Override 22914 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 22915 synchronized (mPackages) { 22916 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 22917 } 22918 } 22919 22920 @Override 22921 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 22922 synchronized (mPackages) { 22923 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 22924 } 22925 } 22926 22927 @Override 22928 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 22929 synchronized (mPackages) { 22930 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 22931 packageName, userId); 22932 } 22933 } 22934 22935 @Override 22936 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 22937 synchronized (mPackages) { 22938 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 22939 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 22940 packageName, userId); 22941 } 22942 } 22943 22944 @Override 22945 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 22946 synchronized (mPackages) { 22947 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 22948 packageName, userId); 22949 } 22950 } 22951 22952 @Override 22953 public void setKeepUninstalledPackages(final List<String> packageList) { 22954 Preconditions.checkNotNull(packageList); 22955 List<String> removedFromList = null; 22956 synchronized (mPackages) { 22957 if (mKeepUninstalledPackages != null) { 22958 final int packagesCount = mKeepUninstalledPackages.size(); 22959 for (int i = 0; i < packagesCount; i++) { 22960 String oldPackage = mKeepUninstalledPackages.get(i); 22961 if (packageList != null && packageList.contains(oldPackage)) { 22962 continue; 22963 } 22964 if (removedFromList == null) { 22965 removedFromList = new ArrayList<>(); 22966 } 22967 removedFromList.add(oldPackage); 22968 } 22969 } 22970 mKeepUninstalledPackages = new ArrayList<>(packageList); 22971 if (removedFromList != null) { 22972 final int removedCount = removedFromList.size(); 22973 for (int i = 0; i < removedCount; i++) { 22974 deletePackageIfUnusedLPr(removedFromList.get(i)); 22975 } 22976 } 22977 } 22978 } 22979 22980 @Override 22981 public boolean isPermissionsReviewRequired(String packageName, int userId) { 22982 synchronized (mPackages) { 22983 // If we do not support permission review, done. 22984 if (!mPermissionReviewRequired) { 22985 return false; 22986 } 22987 22988 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 22989 if (packageSetting == null) { 22990 return false; 22991 } 22992 22993 // Permission review applies only to apps not supporting the new permission model. 22994 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 22995 return false; 22996 } 22997 22998 // Legacy apps have the permission and get user consent on launch. 22999 PermissionsState permissionsState = packageSetting.getPermissionsState(); 23000 return permissionsState.isPermissionReviewRequired(userId); 23001 } 23002 } 23003 23004 @Override 23005 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 23006 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 23007 } 23008 23009 @Override 23010 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 23011 int userId) { 23012 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 23013 } 23014 23015 @Override 23016 public void setDeviceAndProfileOwnerPackages( 23017 int deviceOwnerUserId, String deviceOwnerPackage, 23018 SparseArray<String> profileOwnerPackages) { 23019 mProtectedPackages.setDeviceAndProfileOwnerPackages( 23020 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 23021 } 23022 23023 @Override 23024 public boolean isPackageDataProtected(int userId, String packageName) { 23025 return mProtectedPackages.isPackageDataProtected(userId, packageName); 23026 } 23027 23028 @Override 23029 public boolean isPackageEphemeral(int userId, String packageName) { 23030 synchronized (mPackages) { 23031 final PackageSetting ps = mSettings.mPackages.get(packageName); 23032 return ps != null ? ps.getInstantApp(userId) : false; 23033 } 23034 } 23035 23036 @Override 23037 public boolean wasPackageEverLaunched(String packageName, int userId) { 23038 synchronized (mPackages) { 23039 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 23040 } 23041 } 23042 23043 @Override 23044 public void grantRuntimePermission(String packageName, String name, int userId, 23045 boolean overridePolicy) { 23046 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 23047 overridePolicy); 23048 } 23049 23050 @Override 23051 public void revokeRuntimePermission(String packageName, String name, int userId, 23052 boolean overridePolicy) { 23053 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 23054 overridePolicy); 23055 } 23056 23057 @Override 23058 public String getNameForUid(int uid) { 23059 return PackageManagerService.this.getNameForUid(uid); 23060 } 23061 23062 @Override 23063 public void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 23064 Intent origIntent, String resolvedType, String callingPackage, int userId) { 23065 PackageManagerService.this.requestInstantAppResolutionPhaseTwo( 23066 responseObj, origIntent, resolvedType, callingPackage, userId); 23067 } 23068 23069 @Override 23070 public void grantEphemeralAccess(int userId, Intent intent, 23071 int targetAppId, int ephemeralAppId) { 23072 synchronized (mPackages) { 23073 mInstantAppRegistry.grantInstantAccessLPw(userId, intent, 23074 targetAppId, ephemeralAppId); 23075 } 23076 } 23077 23078 @Override 23079 public void pruneInstantApps() { 23080 synchronized (mPackages) { 23081 mInstantAppRegistry.pruneInstantAppsLPw(); 23082 } 23083 } 23084 23085 @Override 23086 public String getSetupWizardPackageName() { 23087 return mSetupWizardPackage; 23088 } 23089 23090 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 23091 if (policy != null) { 23092 mExternalSourcesPolicy = policy; 23093 } 23094 } 23095 23096 @Override 23097 public boolean isPackagePersistent(String packageName) { 23098 synchronized (mPackages) { 23099 PackageParser.Package pkg = mPackages.get(packageName); 23100 return pkg != null 23101 ? ((pkg.applicationInfo.flags&(ApplicationInfo.FLAG_SYSTEM 23102 | ApplicationInfo.FLAG_PERSISTENT)) == 23103 (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_PERSISTENT)) 23104 : false; 23105 } 23106 } 23107 23108 @Override 23109 public List<PackageInfo> getOverlayPackages(int userId) { 23110 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 23111 synchronized (mPackages) { 23112 for (PackageParser.Package p : mPackages.values()) { 23113 if (p.mOverlayTarget != null) { 23114 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 23115 if (pkg != null) { 23116 overlayPackages.add(pkg); 23117 } 23118 } 23119 } 23120 } 23121 return overlayPackages; 23122 } 23123 23124 @Override 23125 public List<String> getTargetPackageNames(int userId) { 23126 List<String> targetPackages = new ArrayList<>(); 23127 synchronized (mPackages) { 23128 for (PackageParser.Package p : mPackages.values()) { 23129 if (p.mOverlayTarget == null) { 23130 targetPackages.add(p.packageName); 23131 } 23132 } 23133 } 23134 return targetPackages; 23135 } 23136 23137 @Override 23138 public boolean setEnabledOverlayPackages(int userId, @NonNull String targetPackageName, 23139 @Nullable List<String> overlayPackageNames) { 23140 synchronized (mPackages) { 23141 if (targetPackageName == null || mPackages.get(targetPackageName) == null) { 23142 Slog.e(TAG, "failed to find package " + targetPackageName); 23143 return false; 23144 } 23145 23146 ArrayList<String> paths = null; 23147 if (overlayPackageNames != null) { 23148 final int N = overlayPackageNames.size(); 23149 paths = new ArrayList<String>(N); 23150 for (int i = 0; i < N; i++) { 23151 final String packageName = overlayPackageNames.get(i); 23152 final PackageParser.Package pkg = mPackages.get(packageName); 23153 if (pkg == null) { 23154 Slog.e(TAG, "failed to find package " + packageName); 23155 return false; 23156 } 23157 paths.add(pkg.baseCodePath); 23158 } 23159 } 23160 23161 ArrayMap<String, ArrayList<String>> userSpecificOverlays = 23162 mEnabledOverlayPaths.get(userId); 23163 if (userSpecificOverlays == null) { 23164 userSpecificOverlays = new ArrayMap<String, ArrayList<String>>(); 23165 mEnabledOverlayPaths.put(userId, userSpecificOverlays); 23166 } 23167 23168 if (paths != null && paths.size() > 0) { 23169 userSpecificOverlays.put(targetPackageName, paths); 23170 } else { 23171 userSpecificOverlays.remove(targetPackageName); 23172 } 23173 return true; 23174 } 23175 } 23176 23177 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 23178 int flags, int userId) { 23179 return resolveIntentInternal( 23180 intent, resolvedType, flags, userId, true /*includeInstantApp*/); 23181 } 23182 } 23183 23184 @Override 23185 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 23186 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 23187 synchronized (mPackages) { 23188 final long identity = Binder.clearCallingIdentity(); 23189 try { 23190 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 23191 packageNames, userId); 23192 } finally { 23193 Binder.restoreCallingIdentity(identity); 23194 } 23195 } 23196 } 23197 23198 @Override 23199 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 23200 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 23201 synchronized (mPackages) { 23202 final long identity = Binder.clearCallingIdentity(); 23203 try { 23204 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServicesLPr( 23205 packageNames, userId); 23206 } finally { 23207 Binder.restoreCallingIdentity(identity); 23208 } 23209 } 23210 } 23211 23212 private static void enforceSystemOrPhoneCaller(String tag) { 23213 int callingUid = Binder.getCallingUid(); 23214 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 23215 throw new SecurityException( 23216 "Cannot call " + tag + " from UID " + callingUid); 23217 } 23218 } 23219 23220 boolean isHistoricalPackageUsageAvailable() { 23221 return mPackageUsage.isHistoricalPackageUsageAvailable(); 23222 } 23223 23224 /** 23225 * Return a <b>copy</b> of the collection of packages known to the package manager. 23226 * @return A copy of the values of mPackages. 23227 */ 23228 Collection<PackageParser.Package> getPackages() { 23229 synchronized (mPackages) { 23230 return new ArrayList<>(mPackages.values()); 23231 } 23232 } 23233 23234 /** 23235 * Logs process start information (including base APK hash) to the security log. 23236 * @hide 23237 */ 23238 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 23239 String apkFile, int pid) { 23240 if (!SecurityLog.isLoggingEnabled()) { 23241 return; 23242 } 23243 Bundle data = new Bundle(); 23244 data.putLong("startTimestamp", System.currentTimeMillis()); 23245 data.putString("processName", processName); 23246 data.putInt("uid", uid); 23247 data.putString("seinfo", seinfo); 23248 data.putString("apkFile", apkFile); 23249 data.putInt("pid", pid); 23250 Message msg = mProcessLoggingHandler.obtainMessage( 23251 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 23252 msg.setData(data); 23253 mProcessLoggingHandler.sendMessage(msg); 23254 } 23255 23256 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 23257 return mCompilerStats.getPackageStats(pkgName); 23258 } 23259 23260 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 23261 return getOrCreateCompilerPackageStats(pkg.packageName); 23262 } 23263 23264 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 23265 return mCompilerStats.getOrCreatePackageStats(pkgName); 23266 } 23267 23268 public void deleteCompilerPackageStats(String pkgName) { 23269 mCompilerStats.deletePackageStats(pkgName); 23270 } 23271 23272 @Override 23273 public int getInstallReason(String packageName, int userId) { 23274 enforceCrossUserPermission(Binder.getCallingUid(), userId, 23275 true /* requireFullPermission */, false /* checkShell */, 23276 "get install reason"); 23277 synchronized (mPackages) { 23278 final PackageSetting ps = mSettings.mPackages.get(packageName); 23279 if (ps != null) { 23280 return ps.getInstallReason(userId); 23281 } 23282 } 23283 return PackageManager.INSTALL_REASON_UNKNOWN; 23284 } 23285 23286 @Override 23287 public boolean canRequestPackageInstalls(String packageName, int userId) { 23288 int callingUid = Binder.getCallingUid(); 23289 int uid = getPackageUid(packageName, 0, userId); 23290 if (callingUid != uid && callingUid != Process.ROOT_UID 23291 && callingUid != Process.SYSTEM_UID) { 23292 throw new SecurityException( 23293 "Caller uid " + callingUid + " does not own package " + packageName); 23294 } 23295 ApplicationInfo info = getApplicationInfo(packageName, 0, userId); 23296 if (info == null) { 23297 return false; 23298 } 23299 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 23300 throw new UnsupportedOperationException( 23301 "Operation only supported on apps targeting Android O or higher"); 23302 } 23303 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 23304 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 23305 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 23306 throw new SecurityException("Need to declare " + appOpPermission + " to call this api"); 23307 } 23308 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 23309 return false; 23310 } 23311 if (mExternalSourcesPolicy != null) { 23312 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 23313 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 23314 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 23315 } 23316 } 23317 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 23318 } 23319} 23320