PackageManagerService.java revision 533c9ff58d7649c6056f12c85b4122970f77236b
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 ephemeralInstaller.instantAppAvailable = true; 6321 result.add(ephemeralInstaller); 6322 } 6323 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6324 } 6325 if (sortResult) { 6326 Collections.sort(result, mResolvePrioritySorter); 6327 } 6328 return applyPostResolutionFilter(result, instantAppPkgName); 6329 } 6330 6331 private static class CrossProfileDomainInfo { 6332 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 6333 ResolveInfo resolveInfo; 6334 /* Best domain verification status of the activities found in the other profile */ 6335 int bestDomainVerificationStatus; 6336 } 6337 6338 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 6339 String resolvedType, int flags, int sourceUserId, int parentUserId) { 6340 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 6341 sourceUserId)) { 6342 return null; 6343 } 6344 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6345 resolvedType, flags, parentUserId); 6346 6347 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 6348 return null; 6349 } 6350 CrossProfileDomainInfo result = null; 6351 int size = resultTargetUser.size(); 6352 for (int i = 0; i < size; i++) { 6353 ResolveInfo riTargetUser = resultTargetUser.get(i); 6354 // Intent filter verification is only for filters that specify a host. So don't return 6355 // those that handle all web uris. 6356 if (riTargetUser.handleAllWebDataURI) { 6357 continue; 6358 } 6359 String packageName = riTargetUser.activityInfo.packageName; 6360 PackageSetting ps = mSettings.mPackages.get(packageName); 6361 if (ps == null) { 6362 continue; 6363 } 6364 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 6365 int status = (int)(verificationState >> 32); 6366 if (result == null) { 6367 result = new CrossProfileDomainInfo(); 6368 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 6369 sourceUserId, parentUserId); 6370 result.bestDomainVerificationStatus = status; 6371 } else { 6372 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 6373 result.bestDomainVerificationStatus); 6374 } 6375 } 6376 // Don't consider matches with status NEVER across profiles. 6377 if (result != null && result.bestDomainVerificationStatus 6378 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6379 return null; 6380 } 6381 return result; 6382 } 6383 6384 /** 6385 * Verification statuses are ordered from the worse to the best, except for 6386 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 6387 */ 6388 private int bestDomainVerificationStatus(int status1, int status2) { 6389 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6390 return status2; 6391 } 6392 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6393 return status1; 6394 } 6395 return (int) MathUtils.max(status1, status2); 6396 } 6397 6398 private boolean isUserEnabled(int userId) { 6399 long callingId = Binder.clearCallingIdentity(); 6400 try { 6401 UserInfo userInfo = sUserManager.getUserInfo(userId); 6402 return userInfo != null && userInfo.isEnabled(); 6403 } finally { 6404 Binder.restoreCallingIdentity(callingId); 6405 } 6406 } 6407 6408 /** 6409 * Filter out activities with systemUserOnly flag set, when current user is not System. 6410 * 6411 * @return filtered list 6412 */ 6413 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 6414 if (userId == UserHandle.USER_SYSTEM) { 6415 return resolveInfos; 6416 } 6417 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6418 ResolveInfo info = resolveInfos.get(i); 6419 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 6420 resolveInfos.remove(i); 6421 } 6422 } 6423 return resolveInfos; 6424 } 6425 6426 /** 6427 * Filters out ephemeral activities. 6428 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 6429 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 6430 * 6431 * @param resolveInfos The pre-filtered list of resolved activities 6432 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 6433 * is performed. 6434 * @return A filtered list of resolved activities. 6435 */ 6436 private List<ResolveInfo> applyPostResolutionFilter(List<ResolveInfo> resolveInfos, 6437 String ephemeralPkgName) { 6438 // TODO: When adding on-demand split support for non-instant apps, remove this check 6439 // and always apply post filtering 6440 if (ephemeralPkgName == null) { 6441 return resolveInfos; 6442 } 6443 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6444 final ResolveInfo info = resolveInfos.get(i); 6445 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isInstantApp(); 6446 // allow activities that are defined in the provided package 6447 if (isEphemeralApp && ephemeralPkgName.equals(info.activityInfo.packageName)) { 6448 if (info.activityInfo.splitName != null 6449 && !ArrayUtils.contains(info.activityInfo.applicationInfo.splitNames, 6450 info.activityInfo.splitName)) { 6451 // requested activity is defined in a split that hasn't been installed yet. 6452 // add the installer to the resolve list 6453 if (DEBUG_EPHEMERAL) { 6454 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6455 } 6456 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 6457 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 6458 info.activityInfo.packageName, info.activityInfo.splitName, 6459 info.activityInfo.applicationInfo.versionCode); 6460 // make sure this resolver is the default 6461 installerInfo.isDefault = true; 6462 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6463 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6464 // add a non-generic filter 6465 installerInfo.filter = new IntentFilter(); 6466 // load resources from the correct package 6467 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 6468 resolveInfos.set(i, installerInfo); 6469 } 6470 continue; 6471 } 6472 // allow activities that have been explicitly exposed to ephemeral apps 6473 if (!isEphemeralApp 6474 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) != 0)) { 6475 continue; 6476 } 6477 resolveInfos.remove(i); 6478 } 6479 return resolveInfos; 6480 } 6481 6482 /** 6483 * @param resolveInfos list of resolve infos in descending priority order 6484 * @return if the list contains a resolve info with non-negative priority 6485 */ 6486 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 6487 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 6488 } 6489 6490 private static boolean hasWebURI(Intent intent) { 6491 if (intent.getData() == null) { 6492 return false; 6493 } 6494 final String scheme = intent.getScheme(); 6495 if (TextUtils.isEmpty(scheme)) { 6496 return false; 6497 } 6498 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 6499 } 6500 6501 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 6502 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 6503 int userId) { 6504 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 6505 6506 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6507 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 6508 candidates.size()); 6509 } 6510 6511 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 6512 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 6513 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 6514 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 6515 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 6516 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 6517 6518 synchronized (mPackages) { 6519 final int count = candidates.size(); 6520 // First, try to use linked apps. Partition the candidates into four lists: 6521 // one for the final results, one for the "do not use ever", one for "undefined status" 6522 // and finally one for "browser app type". 6523 for (int n=0; n<count; n++) { 6524 ResolveInfo info = candidates.get(n); 6525 String packageName = info.activityInfo.packageName; 6526 PackageSetting ps = mSettings.mPackages.get(packageName); 6527 if (ps != null) { 6528 // Add to the special match all list (Browser use case) 6529 if (info.handleAllWebDataURI) { 6530 matchAllList.add(info); 6531 continue; 6532 } 6533 // Try to get the status from User settings first 6534 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6535 int status = (int)(packedStatus >> 32); 6536 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6537 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 6538 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6539 Slog.i(TAG, " + always: " + info.activityInfo.packageName 6540 + " : linkgen=" + linkGeneration); 6541 } 6542 // Use link-enabled generation as preferredOrder, i.e. 6543 // prefer newly-enabled over earlier-enabled. 6544 info.preferredOrder = linkGeneration; 6545 alwaysList.add(info); 6546 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6547 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6548 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 6549 } 6550 neverList.add(info); 6551 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6552 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6553 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 6554 } 6555 alwaysAskList.add(info); 6556 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 6557 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 6558 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6559 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 6560 } 6561 undefinedList.add(info); 6562 } 6563 } 6564 } 6565 6566 // We'll want to include browser possibilities in a few cases 6567 boolean includeBrowser = false; 6568 6569 // First try to add the "always" resolution(s) for the current user, if any 6570 if (alwaysList.size() > 0) { 6571 result.addAll(alwaysList); 6572 } else { 6573 // Add all undefined apps as we want them to appear in the disambiguation dialog. 6574 result.addAll(undefinedList); 6575 // Maybe add one for the other profile. 6576 if (xpDomainInfo != null && ( 6577 xpDomainInfo.bestDomainVerificationStatus 6578 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 6579 result.add(xpDomainInfo.resolveInfo); 6580 } 6581 includeBrowser = true; 6582 } 6583 6584 // The presence of any 'always ask' alternatives means we'll also offer browsers. 6585 // If there were 'always' entries their preferred order has been set, so we also 6586 // back that off to make the alternatives equivalent 6587 if (alwaysAskList.size() > 0) { 6588 for (ResolveInfo i : result) { 6589 i.preferredOrder = 0; 6590 } 6591 result.addAll(alwaysAskList); 6592 includeBrowser = true; 6593 } 6594 6595 if (includeBrowser) { 6596 // Also add browsers (all of them or only the default one) 6597 if (DEBUG_DOMAIN_VERIFICATION) { 6598 Slog.v(TAG, " ...including browsers in candidate set"); 6599 } 6600 if ((matchFlags & MATCH_ALL) != 0) { 6601 result.addAll(matchAllList); 6602 } else { 6603 // Browser/generic handling case. If there's a default browser, go straight 6604 // to that (but only if there is no other higher-priority match). 6605 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 6606 int maxMatchPrio = 0; 6607 ResolveInfo defaultBrowserMatch = null; 6608 final int numCandidates = matchAllList.size(); 6609 for (int n = 0; n < numCandidates; n++) { 6610 ResolveInfo info = matchAllList.get(n); 6611 // track the highest overall match priority... 6612 if (info.priority > maxMatchPrio) { 6613 maxMatchPrio = info.priority; 6614 } 6615 // ...and the highest-priority default browser match 6616 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 6617 if (defaultBrowserMatch == null 6618 || (defaultBrowserMatch.priority < info.priority)) { 6619 if (debug) { 6620 Slog.v(TAG, "Considering default browser match " + info); 6621 } 6622 defaultBrowserMatch = info; 6623 } 6624 } 6625 } 6626 if (defaultBrowserMatch != null 6627 && defaultBrowserMatch.priority >= maxMatchPrio 6628 && !TextUtils.isEmpty(defaultBrowserPackageName)) 6629 { 6630 if (debug) { 6631 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 6632 } 6633 result.add(defaultBrowserMatch); 6634 } else { 6635 result.addAll(matchAllList); 6636 } 6637 } 6638 6639 // If there is nothing selected, add all candidates and remove the ones that the user 6640 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 6641 if (result.size() == 0) { 6642 result.addAll(candidates); 6643 result.removeAll(neverList); 6644 } 6645 } 6646 } 6647 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6648 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 6649 result.size()); 6650 for (ResolveInfo info : result) { 6651 Slog.v(TAG, " + " + info.activityInfo); 6652 } 6653 } 6654 return result; 6655 } 6656 6657 // Returns a packed value as a long: 6658 // 6659 // high 'int'-sized word: link status: undefined/ask/never/always. 6660 // low 'int'-sized word: relative priority among 'always' results. 6661 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 6662 long result = ps.getDomainVerificationStatusForUser(userId); 6663 // if none available, get the master status 6664 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 6665 if (ps.getIntentFilterVerificationInfo() != null) { 6666 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 6667 } 6668 } 6669 return result; 6670 } 6671 6672 private ResolveInfo querySkipCurrentProfileIntents( 6673 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6674 int flags, int sourceUserId) { 6675 if (matchingFilters != null) { 6676 int size = matchingFilters.size(); 6677 for (int i = 0; i < size; i ++) { 6678 CrossProfileIntentFilter filter = matchingFilters.get(i); 6679 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 6680 // Checking if there are activities in the target user that can handle the 6681 // intent. 6682 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6683 resolvedType, flags, sourceUserId); 6684 if (resolveInfo != null) { 6685 return resolveInfo; 6686 } 6687 } 6688 } 6689 } 6690 return null; 6691 } 6692 6693 // Return matching ResolveInfo in target user if any. 6694 private ResolveInfo queryCrossProfileIntents( 6695 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6696 int flags, int sourceUserId, boolean matchInCurrentProfile) { 6697 if (matchingFilters != null) { 6698 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 6699 // match the same intent. For performance reasons, it is better not to 6700 // run queryIntent twice for the same userId 6701 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 6702 int size = matchingFilters.size(); 6703 for (int i = 0; i < size; i++) { 6704 CrossProfileIntentFilter filter = matchingFilters.get(i); 6705 int targetUserId = filter.getTargetUserId(); 6706 boolean skipCurrentProfile = 6707 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 6708 boolean skipCurrentProfileIfNoMatchFound = 6709 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 6710 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 6711 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 6712 // Checking if there are activities in the target user that can handle the 6713 // intent. 6714 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6715 resolvedType, flags, sourceUserId); 6716 if (resolveInfo != null) return resolveInfo; 6717 alreadyTriedUserIds.put(targetUserId, true); 6718 } 6719 } 6720 } 6721 return null; 6722 } 6723 6724 /** 6725 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 6726 * will forward the intent to the filter's target user. 6727 * Otherwise, returns null. 6728 */ 6729 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 6730 String resolvedType, int flags, int sourceUserId) { 6731 int targetUserId = filter.getTargetUserId(); 6732 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6733 resolvedType, flags, targetUserId); 6734 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 6735 // If all the matches in the target profile are suspended, return null. 6736 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 6737 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 6738 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 6739 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 6740 targetUserId); 6741 } 6742 } 6743 } 6744 return null; 6745 } 6746 6747 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 6748 int sourceUserId, int targetUserId) { 6749 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 6750 long ident = Binder.clearCallingIdentity(); 6751 boolean targetIsProfile; 6752 try { 6753 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 6754 } finally { 6755 Binder.restoreCallingIdentity(ident); 6756 } 6757 String className; 6758 if (targetIsProfile) { 6759 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 6760 } else { 6761 className = FORWARD_INTENT_TO_PARENT; 6762 } 6763 ComponentName forwardingActivityComponentName = new ComponentName( 6764 mAndroidApplication.packageName, className); 6765 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 6766 sourceUserId); 6767 if (!targetIsProfile) { 6768 forwardingActivityInfo.showUserIcon = targetUserId; 6769 forwardingResolveInfo.noResourceId = true; 6770 } 6771 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 6772 forwardingResolveInfo.priority = 0; 6773 forwardingResolveInfo.preferredOrder = 0; 6774 forwardingResolveInfo.match = 0; 6775 forwardingResolveInfo.isDefault = true; 6776 forwardingResolveInfo.filter = filter; 6777 forwardingResolveInfo.targetUserId = targetUserId; 6778 return forwardingResolveInfo; 6779 } 6780 6781 @Override 6782 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 6783 Intent[] specifics, String[] specificTypes, Intent intent, 6784 String resolvedType, int flags, int userId) { 6785 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 6786 specificTypes, intent, resolvedType, flags, userId)); 6787 } 6788 6789 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 6790 Intent[] specifics, String[] specificTypes, Intent intent, 6791 String resolvedType, int flags, int userId) { 6792 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6793 flags = updateFlagsForResolve(flags, userId, intent, false); 6794 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6795 false /* requireFullPermission */, false /* checkShell */, 6796 "query intent activity options"); 6797 final String resultsAction = intent.getAction(); 6798 6799 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 6800 | PackageManager.GET_RESOLVED_FILTER, userId); 6801 6802 if (DEBUG_INTENT_MATCHING) { 6803 Log.v(TAG, "Query " + intent + ": " + results); 6804 } 6805 6806 int specificsPos = 0; 6807 int N; 6808 6809 // todo: note that the algorithm used here is O(N^2). This 6810 // isn't a problem in our current environment, but if we start running 6811 // into situations where we have more than 5 or 10 matches then this 6812 // should probably be changed to something smarter... 6813 6814 // First we go through and resolve each of the specific items 6815 // that were supplied, taking care of removing any corresponding 6816 // duplicate items in the generic resolve list. 6817 if (specifics != null) { 6818 for (int i=0; i<specifics.length; i++) { 6819 final Intent sintent = specifics[i]; 6820 if (sintent == null) { 6821 continue; 6822 } 6823 6824 if (DEBUG_INTENT_MATCHING) { 6825 Log.v(TAG, "Specific #" + i + ": " + sintent); 6826 } 6827 6828 String action = sintent.getAction(); 6829 if (resultsAction != null && resultsAction.equals(action)) { 6830 // If this action was explicitly requested, then don't 6831 // remove things that have it. 6832 action = null; 6833 } 6834 6835 ResolveInfo ri = null; 6836 ActivityInfo ai = null; 6837 6838 ComponentName comp = sintent.getComponent(); 6839 if (comp == null) { 6840 ri = resolveIntent( 6841 sintent, 6842 specificTypes != null ? specificTypes[i] : null, 6843 flags, userId); 6844 if (ri == null) { 6845 continue; 6846 } 6847 if (ri == mResolveInfo) { 6848 // ACK! Must do something better with this. 6849 } 6850 ai = ri.activityInfo; 6851 comp = new ComponentName(ai.applicationInfo.packageName, 6852 ai.name); 6853 } else { 6854 ai = getActivityInfo(comp, flags, userId); 6855 if (ai == null) { 6856 continue; 6857 } 6858 } 6859 6860 // Look for any generic query activities that are duplicates 6861 // of this specific one, and remove them from the results. 6862 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6863 N = results.size(); 6864 int j; 6865 for (j=specificsPos; j<N; j++) { 6866 ResolveInfo sri = results.get(j); 6867 if ((sri.activityInfo.name.equals(comp.getClassName()) 6868 && sri.activityInfo.applicationInfo.packageName.equals( 6869 comp.getPackageName())) 6870 || (action != null && sri.filter.matchAction(action))) { 6871 results.remove(j); 6872 if (DEBUG_INTENT_MATCHING) Log.v( 6873 TAG, "Removing duplicate item from " + j 6874 + " due to specific " + specificsPos); 6875 if (ri == null) { 6876 ri = sri; 6877 } 6878 j--; 6879 N--; 6880 } 6881 } 6882 6883 // Add this specific item to its proper place. 6884 if (ri == null) { 6885 ri = new ResolveInfo(); 6886 ri.activityInfo = ai; 6887 } 6888 results.add(specificsPos, ri); 6889 ri.specificIndex = i; 6890 specificsPos++; 6891 } 6892 } 6893 6894 // Now we go through the remaining generic results and remove any 6895 // duplicate actions that are found here. 6896 N = results.size(); 6897 for (int i=specificsPos; i<N-1; i++) { 6898 final ResolveInfo rii = results.get(i); 6899 if (rii.filter == null) { 6900 continue; 6901 } 6902 6903 // Iterate over all of the actions of this result's intent 6904 // filter... typically this should be just one. 6905 final Iterator<String> it = rii.filter.actionsIterator(); 6906 if (it == null) { 6907 continue; 6908 } 6909 while (it.hasNext()) { 6910 final String action = it.next(); 6911 if (resultsAction != null && resultsAction.equals(action)) { 6912 // If this action was explicitly requested, then don't 6913 // remove things that have it. 6914 continue; 6915 } 6916 for (int j=i+1; j<N; j++) { 6917 final ResolveInfo rij = results.get(j); 6918 if (rij.filter != null && rij.filter.hasAction(action)) { 6919 results.remove(j); 6920 if (DEBUG_INTENT_MATCHING) Log.v( 6921 TAG, "Removing duplicate item from " + j 6922 + " due to action " + action + " at " + i); 6923 j--; 6924 N--; 6925 } 6926 } 6927 } 6928 6929 // If the caller didn't request filter information, drop it now 6930 // so we don't have to marshall/unmarshall it. 6931 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6932 rii.filter = null; 6933 } 6934 } 6935 6936 // Filter out the caller activity if so requested. 6937 if (caller != null) { 6938 N = results.size(); 6939 for (int i=0; i<N; i++) { 6940 ActivityInfo ainfo = results.get(i).activityInfo; 6941 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6942 && caller.getClassName().equals(ainfo.name)) { 6943 results.remove(i); 6944 break; 6945 } 6946 } 6947 } 6948 6949 // If the caller didn't request filter information, 6950 // drop them now so we don't have to 6951 // marshall/unmarshall it. 6952 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6953 N = results.size(); 6954 for (int i=0; i<N; i++) { 6955 results.get(i).filter = null; 6956 } 6957 } 6958 6959 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6960 return results; 6961 } 6962 6963 @Override 6964 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6965 String resolvedType, int flags, int userId) { 6966 return new ParceledListSlice<>( 6967 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6968 } 6969 6970 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6971 String resolvedType, int flags, int userId) { 6972 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6973 flags = updateFlagsForResolve(flags, userId, intent, false); 6974 ComponentName comp = intent.getComponent(); 6975 if (comp == null) { 6976 if (intent.getSelector() != null) { 6977 intent = intent.getSelector(); 6978 comp = intent.getComponent(); 6979 } 6980 } 6981 if (comp != null) { 6982 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6983 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6984 if (ai != null) { 6985 ResolveInfo ri = new ResolveInfo(); 6986 ri.activityInfo = ai; 6987 list.add(ri); 6988 } 6989 return list; 6990 } 6991 6992 // reader 6993 synchronized (mPackages) { 6994 String pkgName = intent.getPackage(); 6995 if (pkgName == null) { 6996 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6997 } 6998 final PackageParser.Package pkg = mPackages.get(pkgName); 6999 if (pkg != null) { 7000 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 7001 userId); 7002 } 7003 return Collections.emptyList(); 7004 } 7005 } 7006 7007 @Override 7008 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 7009 if (!sUserManager.exists(userId)) return null; 7010 flags = updateFlagsForResolve(flags, userId, intent, false); 7011 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 7012 if (query != null) { 7013 if (query.size() >= 1) { 7014 // If there is more than one service with the same priority, 7015 // just arbitrarily pick the first one. 7016 return query.get(0); 7017 } 7018 } 7019 return null; 7020 } 7021 7022 @Override 7023 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 7024 String resolvedType, int flags, int userId) { 7025 return new ParceledListSlice<>( 7026 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 7027 } 7028 7029 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 7030 String resolvedType, int flags, int userId) { 7031 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7032 flags = updateFlagsForResolve(flags, userId, intent, false); 7033 ComponentName comp = intent.getComponent(); 7034 if (comp == null) { 7035 if (intent.getSelector() != null) { 7036 intent = intent.getSelector(); 7037 comp = intent.getComponent(); 7038 } 7039 } 7040 if (comp != null) { 7041 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7042 final ServiceInfo si = getServiceInfo(comp, flags, userId); 7043 if (si != null) { 7044 final ResolveInfo ri = new ResolveInfo(); 7045 ri.serviceInfo = si; 7046 list.add(ri); 7047 } 7048 return list; 7049 } 7050 7051 // reader 7052 synchronized (mPackages) { 7053 String pkgName = intent.getPackage(); 7054 if (pkgName == null) { 7055 return mServices.queryIntent(intent, resolvedType, flags, userId); 7056 } 7057 final PackageParser.Package pkg = mPackages.get(pkgName); 7058 if (pkg != null) { 7059 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 7060 userId); 7061 } 7062 return Collections.emptyList(); 7063 } 7064 } 7065 7066 @Override 7067 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 7068 String resolvedType, int flags, int userId) { 7069 return new ParceledListSlice<>( 7070 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 7071 } 7072 7073 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 7074 Intent intent, String resolvedType, int flags, int userId) { 7075 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7076 flags = updateFlagsForResolve(flags, userId, intent, false); 7077 ComponentName comp = intent.getComponent(); 7078 if (comp == null) { 7079 if (intent.getSelector() != null) { 7080 intent = intent.getSelector(); 7081 comp = intent.getComponent(); 7082 } 7083 } 7084 if (comp != null) { 7085 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7086 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 7087 if (pi != null) { 7088 final ResolveInfo ri = new ResolveInfo(); 7089 ri.providerInfo = pi; 7090 list.add(ri); 7091 } 7092 return list; 7093 } 7094 7095 // reader 7096 synchronized (mPackages) { 7097 String pkgName = intent.getPackage(); 7098 if (pkgName == null) { 7099 return mProviders.queryIntent(intent, resolvedType, flags, userId); 7100 } 7101 final PackageParser.Package pkg = mPackages.get(pkgName); 7102 if (pkg != null) { 7103 return mProviders.queryIntentForPackage( 7104 intent, resolvedType, flags, pkg.providers, userId); 7105 } 7106 return Collections.emptyList(); 7107 } 7108 } 7109 7110 @Override 7111 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 7112 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7113 flags = updateFlagsForPackage(flags, userId, null); 7114 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7115 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7116 true /* requireFullPermission */, false /* checkShell */, 7117 "get installed packages"); 7118 7119 // writer 7120 synchronized (mPackages) { 7121 ArrayList<PackageInfo> list; 7122 if (listUninstalled) { 7123 list = new ArrayList<>(mSettings.mPackages.size()); 7124 for (PackageSetting ps : mSettings.mPackages.values()) { 7125 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7126 continue; 7127 } 7128 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7129 if (pi != null) { 7130 list.add(pi); 7131 } 7132 } 7133 } else { 7134 list = new ArrayList<>(mPackages.size()); 7135 for (PackageParser.Package p : mPackages.values()) { 7136 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 7137 Binder.getCallingUid(), userId)) { 7138 continue; 7139 } 7140 final PackageInfo pi = generatePackageInfo((PackageSetting) 7141 p.mExtras, flags, userId); 7142 if (pi != null) { 7143 list.add(pi); 7144 } 7145 } 7146 } 7147 7148 return new ParceledListSlice<>(list); 7149 } 7150 } 7151 7152 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 7153 String[] permissions, boolean[] tmp, int flags, int userId) { 7154 int numMatch = 0; 7155 final PermissionsState permissionsState = ps.getPermissionsState(); 7156 for (int i=0; i<permissions.length; i++) { 7157 final String permission = permissions[i]; 7158 if (permissionsState.hasPermission(permission, userId)) { 7159 tmp[i] = true; 7160 numMatch++; 7161 } else { 7162 tmp[i] = false; 7163 } 7164 } 7165 if (numMatch == 0) { 7166 return; 7167 } 7168 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7169 7170 // The above might return null in cases of uninstalled apps or install-state 7171 // skew across users/profiles. 7172 if (pi != null) { 7173 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 7174 if (numMatch == permissions.length) { 7175 pi.requestedPermissions = permissions; 7176 } else { 7177 pi.requestedPermissions = new String[numMatch]; 7178 numMatch = 0; 7179 for (int i=0; i<permissions.length; i++) { 7180 if (tmp[i]) { 7181 pi.requestedPermissions[numMatch] = permissions[i]; 7182 numMatch++; 7183 } 7184 } 7185 } 7186 } 7187 list.add(pi); 7188 } 7189 } 7190 7191 @Override 7192 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 7193 String[] permissions, int flags, int userId) { 7194 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7195 flags = updateFlagsForPackage(flags, userId, permissions); 7196 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7197 true /* requireFullPermission */, false /* checkShell */, 7198 "get packages holding permissions"); 7199 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7200 7201 // writer 7202 synchronized (mPackages) { 7203 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 7204 boolean[] tmpBools = new boolean[permissions.length]; 7205 if (listUninstalled) { 7206 for (PackageSetting ps : mSettings.mPackages.values()) { 7207 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7208 userId); 7209 } 7210 } else { 7211 for (PackageParser.Package pkg : mPackages.values()) { 7212 PackageSetting ps = (PackageSetting)pkg.mExtras; 7213 if (ps != null) { 7214 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7215 userId); 7216 } 7217 } 7218 } 7219 7220 return new ParceledListSlice<PackageInfo>(list); 7221 } 7222 } 7223 7224 @Override 7225 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 7226 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7227 flags = updateFlagsForApplication(flags, userId, null); 7228 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7229 7230 // writer 7231 synchronized (mPackages) { 7232 ArrayList<ApplicationInfo> list; 7233 if (listUninstalled) { 7234 list = new ArrayList<>(mSettings.mPackages.size()); 7235 for (PackageSetting ps : mSettings.mPackages.values()) { 7236 ApplicationInfo ai; 7237 int effectiveFlags = flags; 7238 if (ps.isSystem()) { 7239 effectiveFlags |= PackageManager.MATCH_ANY_USER; 7240 } 7241 if (ps.pkg != null) { 7242 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7243 continue; 7244 } 7245 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 7246 ps.readUserState(userId), userId); 7247 if (ai != null) { 7248 rebaseEnabledOverlays(ai, userId); 7249 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 7250 } 7251 } else { 7252 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 7253 // and already converts to externally visible package name 7254 ai = generateApplicationInfoFromSettingsLPw(ps.name, 7255 Binder.getCallingUid(), effectiveFlags, userId); 7256 } 7257 if (ai != null) { 7258 list.add(ai); 7259 } 7260 } 7261 } else { 7262 list = new ArrayList<>(mPackages.size()); 7263 for (PackageParser.Package p : mPackages.values()) { 7264 if (p.mExtras != null) { 7265 PackageSetting ps = (PackageSetting) p.mExtras; 7266 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7267 continue; 7268 } 7269 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7270 ps.readUserState(userId), userId); 7271 if (ai != null) { 7272 rebaseEnabledOverlays(ai, userId); 7273 ai.packageName = resolveExternalPackageNameLPr(p); 7274 list.add(ai); 7275 } 7276 } 7277 } 7278 } 7279 7280 return new ParceledListSlice<>(list); 7281 } 7282 } 7283 7284 @Override 7285 public ParceledListSlice<InstantAppInfo> getInstantApps(int userId) { 7286 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7287 return null; 7288 } 7289 7290 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7291 "getEphemeralApplications"); 7292 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7293 true /* requireFullPermission */, false /* checkShell */, 7294 "getEphemeralApplications"); 7295 synchronized (mPackages) { 7296 List<InstantAppInfo> instantApps = mInstantAppRegistry 7297 .getInstantAppsLPr(userId); 7298 if (instantApps != null) { 7299 return new ParceledListSlice<>(instantApps); 7300 } 7301 } 7302 return null; 7303 } 7304 7305 @Override 7306 public boolean isInstantApp(String packageName, int userId) { 7307 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7308 true /* requireFullPermission */, false /* checkShell */, 7309 "isInstantApp"); 7310 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7311 return false; 7312 } 7313 7314 if (!isCallerSameApp(packageName)) { 7315 return false; 7316 } 7317 synchronized (mPackages) { 7318 final PackageSetting ps = mSettings.mPackages.get(packageName); 7319 if (ps != null) { 7320 return ps.getInstantApp(userId); 7321 } 7322 } 7323 return false; 7324 } 7325 7326 @Override 7327 public byte[] getInstantAppCookie(String packageName, int userId) { 7328 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7329 return null; 7330 } 7331 7332 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7333 true /* requireFullPermission */, false /* checkShell */, 7334 "getInstantAppCookie"); 7335 if (!isCallerSameApp(packageName)) { 7336 return null; 7337 } 7338 synchronized (mPackages) { 7339 return mInstantAppRegistry.getInstantAppCookieLPw( 7340 packageName, userId); 7341 } 7342 } 7343 7344 @Override 7345 public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) { 7346 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7347 return true; 7348 } 7349 7350 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7351 true /* requireFullPermission */, true /* checkShell */, 7352 "setInstantAppCookie"); 7353 if (!isCallerSameApp(packageName)) { 7354 return false; 7355 } 7356 synchronized (mPackages) { 7357 return mInstantAppRegistry.setInstantAppCookieLPw( 7358 packageName, cookie, userId); 7359 } 7360 } 7361 7362 @Override 7363 public Bitmap getInstantAppIcon(String packageName, int userId) { 7364 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7365 return null; 7366 } 7367 7368 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7369 "getInstantAppIcon"); 7370 7371 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7372 true /* requireFullPermission */, false /* checkShell */, 7373 "getInstantAppIcon"); 7374 7375 synchronized (mPackages) { 7376 return mInstantAppRegistry.getInstantAppIconLPw( 7377 packageName, userId); 7378 } 7379 } 7380 7381 private boolean isCallerSameApp(String packageName) { 7382 PackageParser.Package pkg = mPackages.get(packageName); 7383 return pkg != null 7384 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 7385 } 7386 7387 @Override 7388 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 7389 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 7390 } 7391 7392 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 7393 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 7394 7395 // reader 7396 synchronized (mPackages) { 7397 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 7398 final int userId = UserHandle.getCallingUserId(); 7399 while (i.hasNext()) { 7400 final PackageParser.Package p = i.next(); 7401 if (p.applicationInfo == null) continue; 7402 7403 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 7404 && !p.applicationInfo.isDirectBootAware(); 7405 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 7406 && p.applicationInfo.isDirectBootAware(); 7407 7408 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 7409 && (!mSafeMode || isSystemApp(p)) 7410 && (matchesUnaware || matchesAware)) { 7411 PackageSetting ps = mSettings.mPackages.get(p.packageName); 7412 if (ps != null) { 7413 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7414 ps.readUserState(userId), userId); 7415 if (ai != null) { 7416 rebaseEnabledOverlays(ai, userId); 7417 finalList.add(ai); 7418 } 7419 } 7420 } 7421 } 7422 } 7423 7424 return finalList; 7425 } 7426 7427 @Override 7428 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 7429 if (!sUserManager.exists(userId)) return null; 7430 flags = updateFlagsForComponent(flags, userId, name); 7431 // reader 7432 synchronized (mPackages) { 7433 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 7434 PackageSetting ps = provider != null 7435 ? mSettings.mPackages.get(provider.owner.packageName) 7436 : null; 7437 return ps != null 7438 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 7439 ? PackageParser.generateProviderInfo(provider, flags, 7440 ps.readUserState(userId), userId) 7441 : null; 7442 } 7443 } 7444 7445 /** 7446 * @deprecated 7447 */ 7448 @Deprecated 7449 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 7450 // reader 7451 synchronized (mPackages) { 7452 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 7453 .entrySet().iterator(); 7454 final int userId = UserHandle.getCallingUserId(); 7455 while (i.hasNext()) { 7456 Map.Entry<String, PackageParser.Provider> entry = i.next(); 7457 PackageParser.Provider p = entry.getValue(); 7458 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7459 7460 if (ps != null && p.syncable 7461 && (!mSafeMode || (p.info.applicationInfo.flags 7462 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 7463 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 7464 ps.readUserState(userId), userId); 7465 if (info != null) { 7466 outNames.add(entry.getKey()); 7467 outInfo.add(info); 7468 } 7469 } 7470 } 7471 } 7472 } 7473 7474 @Override 7475 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 7476 int uid, int flags, String metaDataKey) { 7477 final int userId = processName != null ? UserHandle.getUserId(uid) 7478 : UserHandle.getCallingUserId(); 7479 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7480 flags = updateFlagsForComponent(flags, userId, processName); 7481 7482 ArrayList<ProviderInfo> finalList = null; 7483 // reader 7484 synchronized (mPackages) { 7485 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 7486 while (i.hasNext()) { 7487 final PackageParser.Provider p = i.next(); 7488 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7489 if (ps != null && p.info.authority != null 7490 && (processName == null 7491 || (p.info.processName.equals(processName) 7492 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 7493 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 7494 7495 // See PM.queryContentProviders()'s javadoc for why we have the metaData 7496 // parameter. 7497 if (metaDataKey != null 7498 && (p.metaData == null || !p.metaData.containsKey(metaDataKey))) { 7499 continue; 7500 } 7501 7502 if (finalList == null) { 7503 finalList = new ArrayList<ProviderInfo>(3); 7504 } 7505 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 7506 ps.readUserState(userId), userId); 7507 if (info != null) { 7508 finalList.add(info); 7509 } 7510 } 7511 } 7512 } 7513 7514 if (finalList != null) { 7515 Collections.sort(finalList, mProviderInitOrderSorter); 7516 return new ParceledListSlice<ProviderInfo>(finalList); 7517 } 7518 7519 return ParceledListSlice.emptyList(); 7520 } 7521 7522 @Override 7523 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 7524 // reader 7525 synchronized (mPackages) { 7526 final PackageParser.Instrumentation i = mInstrumentation.get(name); 7527 return PackageParser.generateInstrumentationInfo(i, flags); 7528 } 7529 } 7530 7531 @Override 7532 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 7533 String targetPackage, int flags) { 7534 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 7535 } 7536 7537 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 7538 int flags) { 7539 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 7540 7541 // reader 7542 synchronized (mPackages) { 7543 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 7544 while (i.hasNext()) { 7545 final PackageParser.Instrumentation p = i.next(); 7546 if (targetPackage == null 7547 || targetPackage.equals(p.info.targetPackage)) { 7548 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 7549 flags); 7550 if (ii != null) { 7551 finalList.add(ii); 7552 } 7553 } 7554 } 7555 } 7556 7557 return finalList; 7558 } 7559 7560 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 7561 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 7562 try { 7563 scanDirLI(dir, parseFlags, scanFlags, currentTime); 7564 } finally { 7565 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7566 } 7567 } 7568 7569 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 7570 final File[] files = dir.listFiles(); 7571 if (ArrayUtils.isEmpty(files)) { 7572 Log.d(TAG, "No files in app dir " + dir); 7573 return; 7574 } 7575 7576 if (DEBUG_PACKAGE_SCANNING) { 7577 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 7578 + " flags=0x" + Integer.toHexString(parseFlags)); 7579 } 7580 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 7581 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir); 7582 7583 // Submit files for parsing in parallel 7584 int fileCount = 0; 7585 for (File file : files) { 7586 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 7587 && !PackageInstallerService.isStageName(file.getName()); 7588 if (!isPackage) { 7589 // Ignore entries which are not packages 7590 continue; 7591 } 7592 parallelPackageParser.submit(file, parseFlags); 7593 fileCount++; 7594 } 7595 7596 // Process results one by one 7597 for (; fileCount > 0; fileCount--) { 7598 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 7599 Throwable throwable = parseResult.throwable; 7600 int errorCode = PackageManager.INSTALL_SUCCEEDED; 7601 7602 if (throwable == null) { 7603 // Static shared libraries have synthetic package names 7604 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 7605 renameStaticSharedLibraryPackage(parseResult.pkg); 7606 } 7607 try { 7608 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 7609 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 7610 currentTime, null); 7611 } 7612 } catch (PackageManagerException e) { 7613 errorCode = e.error; 7614 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 7615 } 7616 } else if (throwable instanceof PackageParser.PackageParserException) { 7617 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 7618 throwable; 7619 errorCode = e.error; 7620 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 7621 } else { 7622 throw new IllegalStateException("Unexpected exception occurred while parsing " 7623 + parseResult.scanFile, throwable); 7624 } 7625 7626 // Delete invalid userdata apps 7627 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 7628 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 7629 logCriticalInfo(Log.WARN, 7630 "Deleting invalid package at " + parseResult.scanFile); 7631 removeCodePathLI(parseResult.scanFile); 7632 } 7633 } 7634 parallelPackageParser.close(); 7635 } 7636 7637 private static File getSettingsProblemFile() { 7638 File dataDir = Environment.getDataDirectory(); 7639 File systemDir = new File(dataDir, "system"); 7640 File fname = new File(systemDir, "uiderrors.txt"); 7641 return fname; 7642 } 7643 7644 static void reportSettingsProblem(int priority, String msg) { 7645 logCriticalInfo(priority, msg); 7646 } 7647 7648 static void logCriticalInfo(int priority, String msg) { 7649 Slog.println(priority, TAG, msg); 7650 EventLogTags.writePmCriticalInfo(msg); 7651 try { 7652 File fname = getSettingsProblemFile(); 7653 FileOutputStream out = new FileOutputStream(fname, true); 7654 PrintWriter pw = new FastPrintWriter(out); 7655 SimpleDateFormat formatter = new SimpleDateFormat(); 7656 String dateString = formatter.format(new Date(System.currentTimeMillis())); 7657 pw.println(dateString + ": " + msg); 7658 pw.close(); 7659 FileUtils.setPermissions( 7660 fname.toString(), 7661 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 7662 -1, -1); 7663 } catch (java.io.IOException e) { 7664 } 7665 } 7666 7667 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 7668 if (srcFile.isDirectory()) { 7669 final File baseFile = new File(pkg.baseCodePath); 7670 long maxModifiedTime = baseFile.lastModified(); 7671 if (pkg.splitCodePaths != null) { 7672 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 7673 final File splitFile = new File(pkg.splitCodePaths[i]); 7674 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 7675 } 7676 } 7677 return maxModifiedTime; 7678 } 7679 return srcFile.lastModified(); 7680 } 7681 7682 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 7683 final int policyFlags) throws PackageManagerException { 7684 // When upgrading from pre-N MR1, verify the package time stamp using the package 7685 // directory and not the APK file. 7686 final long lastModifiedTime = mIsPreNMR1Upgrade 7687 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 7688 if (ps != null 7689 && ps.codePath.equals(srcFile) 7690 && ps.timeStamp == lastModifiedTime 7691 && !isCompatSignatureUpdateNeeded(pkg) 7692 && !isRecoverSignatureUpdateNeeded(pkg)) { 7693 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 7694 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7695 ArraySet<PublicKey> signingKs; 7696 synchronized (mPackages) { 7697 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 7698 } 7699 if (ps.signatures.mSignatures != null 7700 && ps.signatures.mSignatures.length != 0 7701 && signingKs != null) { 7702 // Optimization: reuse the existing cached certificates 7703 // if the package appears to be unchanged. 7704 pkg.mSignatures = ps.signatures.mSignatures; 7705 pkg.mSigningKeys = signingKs; 7706 return; 7707 } 7708 7709 Slog.w(TAG, "PackageSetting for " + ps.name 7710 + " is missing signatures. Collecting certs again to recover them."); 7711 } else { 7712 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 7713 } 7714 7715 try { 7716 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 7717 PackageParser.collectCertificates(pkg, policyFlags); 7718 } catch (PackageParserException e) { 7719 throw PackageManagerException.from(e); 7720 } finally { 7721 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7722 } 7723 } 7724 7725 /** 7726 * Traces a package scan. 7727 * @see #scanPackageLI(File, int, int, long, UserHandle) 7728 */ 7729 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 7730 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7731 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 7732 try { 7733 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 7734 } finally { 7735 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7736 } 7737 } 7738 7739 /** 7740 * Scans a package and returns the newly parsed package. 7741 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 7742 */ 7743 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 7744 long currentTime, UserHandle user) throws PackageManagerException { 7745 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 7746 PackageParser pp = new PackageParser(); 7747 pp.setSeparateProcesses(mSeparateProcesses); 7748 pp.setOnlyCoreApps(mOnlyCore); 7749 pp.setDisplayMetrics(mMetrics); 7750 7751 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 7752 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 7753 } 7754 7755 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 7756 final PackageParser.Package pkg; 7757 try { 7758 pkg = pp.parsePackage(scanFile, parseFlags); 7759 } catch (PackageParserException e) { 7760 throw PackageManagerException.from(e); 7761 } finally { 7762 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7763 } 7764 7765 // Static shared libraries have synthetic package names 7766 if (pkg.applicationInfo.isStaticSharedLibrary()) { 7767 renameStaticSharedLibraryPackage(pkg); 7768 } 7769 7770 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 7771 } 7772 7773 /** 7774 * Scans a package and returns the newly parsed package. 7775 * @throws PackageManagerException on a parse error. 7776 */ 7777 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 7778 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 7779 throws PackageManagerException { 7780 // If the package has children and this is the first dive in the function 7781 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 7782 // packages (parent and children) would be successfully scanned before the 7783 // actual scan since scanning mutates internal state and we want to atomically 7784 // install the package and its children. 7785 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7786 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7787 scanFlags |= SCAN_CHECK_ONLY; 7788 } 7789 } else { 7790 scanFlags &= ~SCAN_CHECK_ONLY; 7791 } 7792 7793 // Scan the parent 7794 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 7795 scanFlags, currentTime, user); 7796 7797 // Scan the children 7798 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7799 for (int i = 0; i < childCount; i++) { 7800 PackageParser.Package childPackage = pkg.childPackages.get(i); 7801 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 7802 currentTime, user); 7803 } 7804 7805 7806 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7807 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 7808 } 7809 7810 return scannedPkg; 7811 } 7812 7813 /** 7814 * Scans a package and returns the newly parsed package. 7815 * @throws PackageManagerException on a parse error. 7816 */ 7817 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 7818 int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 7819 throws PackageManagerException { 7820 PackageSetting ps = null; 7821 PackageSetting updatedPkg; 7822 // reader 7823 synchronized (mPackages) { 7824 // Look to see if we already know about this package. 7825 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 7826 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 7827 // This package has been renamed to its original name. Let's 7828 // use that. 7829 ps = mSettings.getPackageLPr(oldName); 7830 } 7831 // If there was no original package, see one for the real package name. 7832 if (ps == null) { 7833 ps = mSettings.getPackageLPr(pkg.packageName); 7834 } 7835 // Check to see if this package could be hiding/updating a system 7836 // package. Must look for it either under the original or real 7837 // package name depending on our state. 7838 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 7839 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 7840 7841 // If this is a package we don't know about on the system partition, we 7842 // may need to remove disabled child packages on the system partition 7843 // or may need to not add child packages if the parent apk is updated 7844 // on the data partition and no longer defines this child package. 7845 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7846 // If this is a parent package for an updated system app and this system 7847 // app got an OTA update which no longer defines some of the child packages 7848 // we have to prune them from the disabled system packages. 7849 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 7850 if (disabledPs != null) { 7851 final int scannedChildCount = (pkg.childPackages != null) 7852 ? pkg.childPackages.size() : 0; 7853 final int disabledChildCount = disabledPs.childPackageNames != null 7854 ? disabledPs.childPackageNames.size() : 0; 7855 for (int i = 0; i < disabledChildCount; i++) { 7856 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 7857 boolean disabledPackageAvailable = false; 7858 for (int j = 0; j < scannedChildCount; j++) { 7859 PackageParser.Package childPkg = pkg.childPackages.get(j); 7860 if (childPkg.packageName.equals(disabledChildPackageName)) { 7861 disabledPackageAvailable = true; 7862 break; 7863 } 7864 } 7865 if (!disabledPackageAvailable) { 7866 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 7867 } 7868 } 7869 } 7870 } 7871 } 7872 7873 boolean updatedPkgBetter = false; 7874 // First check if this is a system package that may involve an update 7875 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7876 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7877 // it needs to drop FLAG_PRIVILEGED. 7878 if (locationIsPrivileged(scanFile)) { 7879 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7880 } else { 7881 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7882 } 7883 7884 if (ps != null && !ps.codePath.equals(scanFile)) { 7885 // The path has changed from what was last scanned... check the 7886 // version of the new path against what we have stored to determine 7887 // what to do. 7888 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7889 if (pkg.mVersionCode <= ps.versionCode) { 7890 // The system package has been updated and the code path does not match 7891 // Ignore entry. Skip it. 7892 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7893 + " ignored: updated version " + ps.versionCode 7894 + " better than this " + pkg.mVersionCode); 7895 if (!updatedPkg.codePath.equals(scanFile)) { 7896 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7897 + ps.name + " changing from " + updatedPkg.codePathString 7898 + " to " + scanFile); 7899 updatedPkg.codePath = scanFile; 7900 updatedPkg.codePathString = scanFile.toString(); 7901 updatedPkg.resourcePath = scanFile; 7902 updatedPkg.resourcePathString = scanFile.toString(); 7903 } 7904 updatedPkg.pkg = pkg; 7905 updatedPkg.versionCode = pkg.mVersionCode; 7906 7907 // Update the disabled system child packages to point to the package too. 7908 final int childCount = updatedPkg.childPackageNames != null 7909 ? updatedPkg.childPackageNames.size() : 0; 7910 for (int i = 0; i < childCount; i++) { 7911 String childPackageName = updatedPkg.childPackageNames.get(i); 7912 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7913 childPackageName); 7914 if (updatedChildPkg != null) { 7915 updatedChildPkg.pkg = pkg; 7916 updatedChildPkg.versionCode = pkg.mVersionCode; 7917 } 7918 } 7919 7920 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7921 + scanFile + " ignored: updated version " + ps.versionCode 7922 + " better than this " + pkg.mVersionCode); 7923 } else { 7924 // The current app on the system partition is better than 7925 // what we have updated to on the data partition; switch 7926 // back to the system partition version. 7927 // At this point, its safely assumed that package installation for 7928 // apps in system partition will go through. If not there won't be a working 7929 // version of the app 7930 // writer 7931 synchronized (mPackages) { 7932 // Just remove the loaded entries from package lists. 7933 mPackages.remove(ps.name); 7934 } 7935 7936 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7937 + " reverting from " + ps.codePathString 7938 + ": new version " + pkg.mVersionCode 7939 + " better than installed " + ps.versionCode); 7940 7941 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7942 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7943 synchronized (mInstallLock) { 7944 args.cleanUpResourcesLI(); 7945 } 7946 synchronized (mPackages) { 7947 mSettings.enableSystemPackageLPw(ps.name); 7948 } 7949 updatedPkgBetter = true; 7950 } 7951 } 7952 } 7953 7954 if (updatedPkg != null) { 7955 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7956 // initially 7957 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7958 7959 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7960 // flag set initially 7961 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7962 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7963 } 7964 } 7965 7966 // Verify certificates against what was last scanned 7967 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7968 7969 /* 7970 * A new system app appeared, but we already had a non-system one of the 7971 * same name installed earlier. 7972 */ 7973 boolean shouldHideSystemApp = false; 7974 if (updatedPkg == null && ps != null 7975 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7976 /* 7977 * Check to make sure the signatures match first. If they don't, 7978 * wipe the installed application and its data. 7979 */ 7980 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7981 != PackageManager.SIGNATURE_MATCH) { 7982 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7983 + " signatures don't match existing userdata copy; removing"); 7984 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7985 "scanPackageInternalLI")) { 7986 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7987 } 7988 ps = null; 7989 } else { 7990 /* 7991 * If the newly-added system app is an older version than the 7992 * already installed version, hide it. It will be scanned later 7993 * and re-added like an update. 7994 */ 7995 if (pkg.mVersionCode <= ps.versionCode) { 7996 shouldHideSystemApp = true; 7997 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7998 + " but new version " + pkg.mVersionCode + " better than installed " 7999 + ps.versionCode + "; hiding system"); 8000 } else { 8001 /* 8002 * The newly found system app is a newer version that the 8003 * one previously installed. Simply remove the 8004 * already-installed application and replace it with our own 8005 * while keeping the application data. 8006 */ 8007 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 8008 + " reverting from " + ps.codePathString + ": new version " 8009 + pkg.mVersionCode + " better than installed " + ps.versionCode); 8010 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 8011 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 8012 synchronized (mInstallLock) { 8013 args.cleanUpResourcesLI(); 8014 } 8015 } 8016 } 8017 } 8018 8019 // The apk is forward locked (not public) if its code and resources 8020 // are kept in different files. (except for app in either system or 8021 // vendor path). 8022 // TODO grab this value from PackageSettings 8023 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8024 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 8025 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 8026 } 8027 } 8028 8029 // TODO: extend to support forward-locked splits 8030 String resourcePath = null; 8031 String baseResourcePath = null; 8032 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 8033 if (ps != null && ps.resourcePathString != null) { 8034 resourcePath = ps.resourcePathString; 8035 baseResourcePath = ps.resourcePathString; 8036 } else { 8037 // Should not happen at all. Just log an error. 8038 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 8039 } 8040 } else { 8041 resourcePath = pkg.codePath; 8042 baseResourcePath = pkg.baseCodePath; 8043 } 8044 8045 // Set application objects path explicitly. 8046 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 8047 pkg.setApplicationInfoCodePath(pkg.codePath); 8048 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 8049 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 8050 pkg.setApplicationInfoResourcePath(resourcePath); 8051 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 8052 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 8053 8054 final int userId = ((user == null) ? 0 : user.getIdentifier()); 8055 if (ps != null && ps.getInstantApp(userId)) { 8056 scanFlags |= SCAN_AS_INSTANT_APP; 8057 } 8058 8059 // Note that we invoke the following method only if we are about to unpack an application 8060 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 8061 | SCAN_UPDATE_SIGNATURE, currentTime, user); 8062 8063 /* 8064 * If the system app should be overridden by a previously installed 8065 * data, hide the system app now and let the /data/app scan pick it up 8066 * again. 8067 */ 8068 if (shouldHideSystemApp) { 8069 synchronized (mPackages) { 8070 mSettings.disableSystemPackageLPw(pkg.packageName, true); 8071 } 8072 } 8073 8074 return scannedPkg; 8075 } 8076 8077 private void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 8078 // Derive the new package synthetic package name 8079 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 8080 + pkg.staticSharedLibVersion); 8081 } 8082 8083 private static String fixProcessName(String defProcessName, 8084 String processName) { 8085 if (processName == null) { 8086 return defProcessName; 8087 } 8088 return processName; 8089 } 8090 8091 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 8092 throws PackageManagerException { 8093 if (pkgSetting.signatures.mSignatures != null) { 8094 // Already existing package. Make sure signatures match 8095 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 8096 == PackageManager.SIGNATURE_MATCH; 8097 if (!match) { 8098 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 8099 == PackageManager.SIGNATURE_MATCH; 8100 } 8101 if (!match) { 8102 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 8103 == PackageManager.SIGNATURE_MATCH; 8104 } 8105 if (!match) { 8106 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 8107 + pkg.packageName + " signatures do not match the " 8108 + "previously installed version; ignoring!"); 8109 } 8110 } 8111 8112 // Check for shared user signatures 8113 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 8114 // Already existing package. Make sure signatures match 8115 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8116 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 8117 if (!match) { 8118 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 8119 == PackageManager.SIGNATURE_MATCH; 8120 } 8121 if (!match) { 8122 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 8123 == PackageManager.SIGNATURE_MATCH; 8124 } 8125 if (!match) { 8126 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 8127 "Package " + pkg.packageName 8128 + " has no signatures that match those in shared user " 8129 + pkgSetting.sharedUser.name + "; ignoring!"); 8130 } 8131 } 8132 } 8133 8134 /** 8135 * Enforces that only the system UID or root's UID can call a method exposed 8136 * via Binder. 8137 * 8138 * @param message used as message if SecurityException is thrown 8139 * @throws SecurityException if the caller is not system or root 8140 */ 8141 private static final void enforceSystemOrRoot(String message) { 8142 final int uid = Binder.getCallingUid(); 8143 if (uid != Process.SYSTEM_UID && uid != 0) { 8144 throw new SecurityException(message); 8145 } 8146 } 8147 8148 @Override 8149 public void performFstrimIfNeeded() { 8150 enforceSystemOrRoot("Only the system can request fstrim"); 8151 8152 // Before everything else, see whether we need to fstrim. 8153 try { 8154 IStorageManager sm = PackageHelper.getStorageManager(); 8155 if (sm != null) { 8156 boolean doTrim = false; 8157 final long interval = android.provider.Settings.Global.getLong( 8158 mContext.getContentResolver(), 8159 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 8160 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 8161 if (interval > 0) { 8162 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 8163 if (timeSinceLast > interval) { 8164 doTrim = true; 8165 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 8166 + "; running immediately"); 8167 } 8168 } 8169 if (doTrim) { 8170 final boolean dexOptDialogShown; 8171 synchronized (mPackages) { 8172 dexOptDialogShown = mDexOptDialogShown; 8173 } 8174 if (!isFirstBoot() && dexOptDialogShown) { 8175 try { 8176 ActivityManager.getService().showBootMessage( 8177 mContext.getResources().getString( 8178 R.string.android_upgrading_fstrim), true); 8179 } catch (RemoteException e) { 8180 } 8181 } 8182 sm.runMaintenance(); 8183 } 8184 } else { 8185 Slog.e(TAG, "storageManager service unavailable!"); 8186 } 8187 } catch (RemoteException e) { 8188 // Can't happen; StorageManagerService is local 8189 } 8190 } 8191 8192 @Override 8193 public void updatePackagesIfNeeded() { 8194 enforceSystemOrRoot("Only the system can request package update"); 8195 8196 // We need to re-extract after an OTA. 8197 boolean causeUpgrade = isUpgrade(); 8198 8199 // First boot or factory reset. 8200 // Note: we also handle devices that are upgrading to N right now as if it is their 8201 // first boot, as they do not have profile data. 8202 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 8203 8204 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 8205 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 8206 8207 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 8208 return; 8209 } 8210 8211 List<PackageParser.Package> pkgs; 8212 synchronized (mPackages) { 8213 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 8214 } 8215 8216 final long startTime = System.nanoTime(); 8217 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 8218 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 8219 8220 final int elapsedTimeSeconds = 8221 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 8222 8223 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 8224 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 8225 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 8226 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 8227 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 8228 } 8229 8230 /** 8231 * Performs dexopt on the set of packages in {@code packages} and returns an int array 8232 * containing statistics about the invocation. The array consists of three elements, 8233 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 8234 * and {@code numberOfPackagesFailed}. 8235 */ 8236 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 8237 String compilerFilter) { 8238 8239 int numberOfPackagesVisited = 0; 8240 int numberOfPackagesOptimized = 0; 8241 int numberOfPackagesSkipped = 0; 8242 int numberOfPackagesFailed = 0; 8243 final int numberOfPackagesToDexopt = pkgs.size(); 8244 8245 for (PackageParser.Package pkg : pkgs) { 8246 numberOfPackagesVisited++; 8247 8248 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 8249 if (DEBUG_DEXOPT) { 8250 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 8251 } 8252 numberOfPackagesSkipped++; 8253 continue; 8254 } 8255 8256 if (DEBUG_DEXOPT) { 8257 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 8258 numberOfPackagesToDexopt + ": " + pkg.packageName); 8259 } 8260 8261 if (showDialog) { 8262 try { 8263 ActivityManager.getService().showBootMessage( 8264 mContext.getResources().getString(R.string.android_upgrading_apk, 8265 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 8266 } catch (RemoteException e) { 8267 } 8268 synchronized (mPackages) { 8269 mDexOptDialogShown = true; 8270 } 8271 } 8272 8273 // If the OTA updates a system app which was previously preopted to a non-preopted state 8274 // the app might end up being verified at runtime. That's because by default the apps 8275 // are verify-profile but for preopted apps there's no profile. 8276 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 8277 // that before the OTA the app was preopted) the app gets compiled with a non-profile 8278 // filter (by default interpret-only). 8279 // Note that at this stage unused apps are already filtered. 8280 if (isSystemApp(pkg) && 8281 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 8282 !Environment.getReferenceProfile(pkg.packageName).exists()) { 8283 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 8284 } 8285 8286 // checkProfiles is false to avoid merging profiles during boot which 8287 // might interfere with background compilation (b/28612421). 8288 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 8289 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 8290 // trade-off worth doing to save boot time work. 8291 int dexOptStatus = performDexOptTraced(pkg.packageName, 8292 false /* checkProfiles */, 8293 compilerFilter, 8294 false /* force */); 8295 switch (dexOptStatus) { 8296 case PackageDexOptimizer.DEX_OPT_PERFORMED: 8297 numberOfPackagesOptimized++; 8298 break; 8299 case PackageDexOptimizer.DEX_OPT_SKIPPED: 8300 numberOfPackagesSkipped++; 8301 break; 8302 case PackageDexOptimizer.DEX_OPT_FAILED: 8303 numberOfPackagesFailed++; 8304 break; 8305 default: 8306 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 8307 break; 8308 } 8309 } 8310 8311 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 8312 numberOfPackagesFailed }; 8313 } 8314 8315 @Override 8316 public void notifyPackageUse(String packageName, int reason) { 8317 synchronized (mPackages) { 8318 PackageParser.Package p = mPackages.get(packageName); 8319 if (p == null) { 8320 return; 8321 } 8322 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 8323 } 8324 } 8325 8326 @Override 8327 public void notifyDexLoad(String loadingPackageName, List<String> dexPaths, String loaderIsa) { 8328 int userId = UserHandle.getCallingUserId(); 8329 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 8330 if (ai == null) { 8331 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 8332 + loadingPackageName + ", user=" + userId); 8333 return; 8334 } 8335 mDexManager.notifyDexLoad(ai, dexPaths, loaderIsa, userId); 8336 } 8337 8338 // TODO: this is not used nor needed. Delete it. 8339 @Override 8340 public boolean performDexOptIfNeeded(String packageName) { 8341 int dexOptStatus = performDexOptTraced(packageName, 8342 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 8343 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8344 } 8345 8346 @Override 8347 public boolean performDexOpt(String packageName, 8348 boolean checkProfiles, int compileReason, boolean force) { 8349 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8350 getCompilerFilterForReason(compileReason), force); 8351 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8352 } 8353 8354 @Override 8355 public boolean performDexOptMode(String packageName, 8356 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8357 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8358 targetCompilerFilter, force); 8359 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8360 } 8361 8362 private int performDexOptTraced(String packageName, 8363 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8364 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8365 try { 8366 return performDexOptInternal(packageName, checkProfiles, 8367 targetCompilerFilter, force); 8368 } finally { 8369 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8370 } 8371 } 8372 8373 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 8374 // if the package can now be considered up to date for the given filter. 8375 private int performDexOptInternal(String packageName, 8376 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8377 PackageParser.Package p; 8378 synchronized (mPackages) { 8379 p = mPackages.get(packageName); 8380 if (p == null) { 8381 // Package could not be found. Report failure. 8382 return PackageDexOptimizer.DEX_OPT_FAILED; 8383 } 8384 mPackageUsage.maybeWriteAsync(mPackages); 8385 mCompilerStats.maybeWriteAsync(); 8386 } 8387 long callingId = Binder.clearCallingIdentity(); 8388 try { 8389 synchronized (mInstallLock) { 8390 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 8391 targetCompilerFilter, force); 8392 } 8393 } finally { 8394 Binder.restoreCallingIdentity(callingId); 8395 } 8396 } 8397 8398 public ArraySet<String> getOptimizablePackages() { 8399 ArraySet<String> pkgs = new ArraySet<String>(); 8400 synchronized (mPackages) { 8401 for (PackageParser.Package p : mPackages.values()) { 8402 if (PackageDexOptimizer.canOptimizePackage(p)) { 8403 pkgs.add(p.packageName); 8404 } 8405 } 8406 } 8407 return pkgs; 8408 } 8409 8410 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 8411 boolean checkProfiles, String targetCompilerFilter, 8412 boolean force) { 8413 // Select the dex optimizer based on the force parameter. 8414 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 8415 // allocate an object here. 8416 PackageDexOptimizer pdo = force 8417 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 8418 : mPackageDexOptimizer; 8419 8420 // Optimize all dependencies first. Note: we ignore the return value and march on 8421 // on errors. 8422 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 8423 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 8424 if (!deps.isEmpty()) { 8425 for (PackageParser.Package depPackage : deps) { 8426 // TODO: Analyze and investigate if we (should) profile libraries. 8427 // Currently this will do a full compilation of the library by default. 8428 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 8429 false /* checkProfiles */, 8430 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 8431 getOrCreateCompilerPackageStats(depPackage)); 8432 } 8433 } 8434 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 8435 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 8436 } 8437 8438 // Performs dexopt on the used secondary dex files belonging to the given package. 8439 // Returns true if all dex files were process successfully (which could mean either dexopt or 8440 // skip). Returns false if any of the files caused errors. 8441 @Override 8442 public boolean performDexOptSecondary(String packageName, String compilerFilter, 8443 boolean force) { 8444 return mDexManager.dexoptSecondaryDex(packageName, compilerFilter, force); 8445 } 8446 8447 /** 8448 * Reconcile the information we have about the secondary dex files belonging to 8449 * {@code packagName} and the actual dex files. For all dex files that were 8450 * deleted, update the internal records and delete the generated oat files. 8451 */ 8452 @Override 8453 public void reconcileSecondaryDexFiles(String packageName) { 8454 mDexManager.reconcileSecondaryDexFiles(packageName); 8455 } 8456 8457 // TODO(calin): this is only needed for BackgroundDexOptService. Find a cleaner way to inject 8458 // a reference there. 8459 /*package*/ DexManager getDexManager() { 8460 return mDexManager; 8461 } 8462 8463 /** 8464 * Execute the background dexopt job immediately. 8465 */ 8466 @Override 8467 public boolean runBackgroundDexoptJob() { 8468 return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext); 8469 } 8470 8471 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 8472 if (p.usesLibraries != null || p.usesOptionalLibraries != null 8473 || p.usesStaticLibraries != null) { 8474 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 8475 Set<String> collectedNames = new HashSet<>(); 8476 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 8477 8478 retValue.remove(p); 8479 8480 return retValue; 8481 } else { 8482 return Collections.emptyList(); 8483 } 8484 } 8485 8486 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 8487 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8488 if (!collectedNames.contains(p.packageName)) { 8489 collectedNames.add(p.packageName); 8490 collected.add(p); 8491 8492 if (p.usesLibraries != null) { 8493 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 8494 null, collected, collectedNames); 8495 } 8496 if (p.usesOptionalLibraries != null) { 8497 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 8498 null, collected, collectedNames); 8499 } 8500 if (p.usesStaticLibraries != null) { 8501 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 8502 p.usesStaticLibrariesVersions, collected, collectedNames); 8503 } 8504 } 8505 } 8506 8507 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, int[] versions, 8508 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8509 final int libNameCount = libs.size(); 8510 for (int i = 0; i < libNameCount; i++) { 8511 String libName = libs.get(i); 8512 int version = (versions != null && versions.length == libNameCount) 8513 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 8514 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 8515 if (libPkg != null) { 8516 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 8517 } 8518 } 8519 } 8520 8521 private PackageParser.Package findSharedNonSystemLibrary(String name, int version) { 8522 synchronized (mPackages) { 8523 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 8524 if (libEntry != null) { 8525 return mPackages.get(libEntry.apk); 8526 } 8527 return null; 8528 } 8529 } 8530 8531 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, int version) { 8532 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 8533 if (versionedLib == null) { 8534 return null; 8535 } 8536 return versionedLib.get(version); 8537 } 8538 8539 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 8540 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 8541 pkg.staticSharedLibName); 8542 if (versionedLib == null) { 8543 return null; 8544 } 8545 int previousLibVersion = -1; 8546 final int versionCount = versionedLib.size(); 8547 for (int i = 0; i < versionCount; i++) { 8548 final int libVersion = versionedLib.keyAt(i); 8549 if (libVersion < pkg.staticSharedLibVersion) { 8550 previousLibVersion = Math.max(previousLibVersion, libVersion); 8551 } 8552 } 8553 if (previousLibVersion >= 0) { 8554 return versionedLib.get(previousLibVersion); 8555 } 8556 return null; 8557 } 8558 8559 public void shutdown() { 8560 mPackageUsage.writeNow(mPackages); 8561 mCompilerStats.writeNow(); 8562 } 8563 8564 @Override 8565 public void dumpProfiles(String packageName) { 8566 PackageParser.Package pkg; 8567 synchronized (mPackages) { 8568 pkg = mPackages.get(packageName); 8569 if (pkg == null) { 8570 throw new IllegalArgumentException("Unknown package: " + packageName); 8571 } 8572 } 8573 /* Only the shell, root, or the app user should be able to dump profiles. */ 8574 int callingUid = Binder.getCallingUid(); 8575 if (callingUid != Process.SHELL_UID && 8576 callingUid != Process.ROOT_UID && 8577 callingUid != pkg.applicationInfo.uid) { 8578 throw new SecurityException("dumpProfiles"); 8579 } 8580 8581 synchronized (mInstallLock) { 8582 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 8583 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 8584 try { 8585 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 8586 String codePaths = TextUtils.join(";", allCodePaths); 8587 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 8588 } catch (InstallerException e) { 8589 Slog.w(TAG, "Failed to dump profiles", e); 8590 } 8591 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8592 } 8593 } 8594 8595 @Override 8596 public void forceDexOpt(String packageName) { 8597 enforceSystemOrRoot("forceDexOpt"); 8598 8599 PackageParser.Package pkg; 8600 synchronized (mPackages) { 8601 pkg = mPackages.get(packageName); 8602 if (pkg == null) { 8603 throw new IllegalArgumentException("Unknown package: " + packageName); 8604 } 8605 } 8606 8607 synchronized (mInstallLock) { 8608 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8609 8610 // Whoever is calling forceDexOpt wants a fully compiled package. 8611 // Don't use profiles since that may cause compilation to be skipped. 8612 final int res = performDexOptInternalWithDependenciesLI(pkg, 8613 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 8614 true /* force */); 8615 8616 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8617 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 8618 throw new IllegalStateException("Failed to dexopt: " + res); 8619 } 8620 } 8621 } 8622 8623 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 8624 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 8625 Slog.w(TAG, "Unable to update from " + oldPkg.name 8626 + " to " + newPkg.packageName 8627 + ": old package not in system partition"); 8628 return false; 8629 } else if (mPackages.get(oldPkg.name) != null) { 8630 Slog.w(TAG, "Unable to update from " + oldPkg.name 8631 + " to " + newPkg.packageName 8632 + ": old package still exists"); 8633 return false; 8634 } 8635 return true; 8636 } 8637 8638 void removeCodePathLI(File codePath) { 8639 if (codePath.isDirectory()) { 8640 try { 8641 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 8642 } catch (InstallerException e) { 8643 Slog.w(TAG, "Failed to remove code path", e); 8644 } 8645 } else { 8646 codePath.delete(); 8647 } 8648 } 8649 8650 private int[] resolveUserIds(int userId) { 8651 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 8652 } 8653 8654 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8655 if (pkg == null) { 8656 Slog.wtf(TAG, "Package was null!", new Throwable()); 8657 return; 8658 } 8659 clearAppDataLeafLIF(pkg, userId, flags); 8660 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8661 for (int i = 0; i < childCount; i++) { 8662 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8663 } 8664 } 8665 8666 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8667 final PackageSetting ps; 8668 synchronized (mPackages) { 8669 ps = mSettings.mPackages.get(pkg.packageName); 8670 } 8671 for (int realUserId : resolveUserIds(userId)) { 8672 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8673 try { 8674 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8675 ceDataInode); 8676 } catch (InstallerException e) { 8677 Slog.w(TAG, String.valueOf(e)); 8678 } 8679 } 8680 } 8681 8682 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8683 if (pkg == null) { 8684 Slog.wtf(TAG, "Package was null!", new Throwable()); 8685 return; 8686 } 8687 destroyAppDataLeafLIF(pkg, userId, flags); 8688 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8689 for (int i = 0; i < childCount; i++) { 8690 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8691 } 8692 } 8693 8694 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8695 final PackageSetting ps; 8696 synchronized (mPackages) { 8697 ps = mSettings.mPackages.get(pkg.packageName); 8698 } 8699 for (int realUserId : resolveUserIds(userId)) { 8700 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8701 try { 8702 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8703 ceDataInode); 8704 } catch (InstallerException e) { 8705 Slog.w(TAG, String.valueOf(e)); 8706 } 8707 } 8708 } 8709 8710 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 8711 if (pkg == null) { 8712 Slog.wtf(TAG, "Package was null!", new Throwable()); 8713 return; 8714 } 8715 destroyAppProfilesLeafLIF(pkg); 8716 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 8717 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8718 for (int i = 0; i < childCount; i++) { 8719 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 8720 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 8721 true /* removeBaseMarker */); 8722 } 8723 } 8724 8725 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 8726 boolean removeBaseMarker) { 8727 if (pkg.isForwardLocked()) { 8728 return; 8729 } 8730 8731 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 8732 try { 8733 path = PackageManagerServiceUtils.realpath(new File(path)); 8734 } catch (IOException e) { 8735 // TODO: Should we return early here ? 8736 Slog.w(TAG, "Failed to get canonical path", e); 8737 continue; 8738 } 8739 8740 final String useMarker = path.replace('/', '@'); 8741 for (int realUserId : resolveUserIds(userId)) { 8742 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 8743 if (removeBaseMarker) { 8744 File foreignUseMark = new File(profileDir, useMarker); 8745 if (foreignUseMark.exists()) { 8746 if (!foreignUseMark.delete()) { 8747 Slog.w(TAG, "Unable to delete foreign user mark for package: " 8748 + pkg.packageName); 8749 } 8750 } 8751 } 8752 8753 File[] markers = profileDir.listFiles(); 8754 if (markers != null) { 8755 final String searchString = "@" + pkg.packageName + "@"; 8756 // We also delete all markers that contain the package name we're 8757 // uninstalling. These are associated with secondary dex-files belonging 8758 // to the package. Reconstructing the path of these dex files is messy 8759 // in general. 8760 for (File marker : markers) { 8761 if (marker.getName().indexOf(searchString) > 0) { 8762 if (!marker.delete()) { 8763 Slog.w(TAG, "Unable to delete foreign user mark for package: " 8764 + pkg.packageName); 8765 } 8766 } 8767 } 8768 } 8769 } 8770 } 8771 } 8772 8773 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 8774 try { 8775 mInstaller.destroyAppProfiles(pkg.packageName); 8776 } catch (InstallerException e) { 8777 Slog.w(TAG, String.valueOf(e)); 8778 } 8779 } 8780 8781 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 8782 if (pkg == null) { 8783 Slog.wtf(TAG, "Package was null!", new Throwable()); 8784 return; 8785 } 8786 clearAppProfilesLeafLIF(pkg); 8787 // We don't remove the base foreign use marker when clearing profiles because 8788 // we will rename it when the app is updated. Unlike the actual profile contents, 8789 // the foreign use marker is good across installs. 8790 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 8791 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8792 for (int i = 0; i < childCount; i++) { 8793 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 8794 } 8795 } 8796 8797 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 8798 try { 8799 mInstaller.clearAppProfiles(pkg.packageName); 8800 } catch (InstallerException e) { 8801 Slog.w(TAG, String.valueOf(e)); 8802 } 8803 } 8804 8805 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 8806 long lastUpdateTime) { 8807 // Set parent install/update time 8808 PackageSetting ps = (PackageSetting) pkg.mExtras; 8809 if (ps != null) { 8810 ps.firstInstallTime = firstInstallTime; 8811 ps.lastUpdateTime = lastUpdateTime; 8812 } 8813 // Set children install/update time 8814 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8815 for (int i = 0; i < childCount; i++) { 8816 PackageParser.Package childPkg = pkg.childPackages.get(i); 8817 ps = (PackageSetting) childPkg.mExtras; 8818 if (ps != null) { 8819 ps.firstInstallTime = firstInstallTime; 8820 ps.lastUpdateTime = lastUpdateTime; 8821 } 8822 } 8823 } 8824 8825 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 8826 PackageParser.Package changingLib) { 8827 if (file.path != null) { 8828 usesLibraryFiles.add(file.path); 8829 return; 8830 } 8831 PackageParser.Package p = mPackages.get(file.apk); 8832 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 8833 // If we are doing this while in the middle of updating a library apk, 8834 // then we need to make sure to use that new apk for determining the 8835 // dependencies here. (We haven't yet finished committing the new apk 8836 // to the package manager state.) 8837 if (p == null || p.packageName.equals(changingLib.packageName)) { 8838 p = changingLib; 8839 } 8840 } 8841 if (p != null) { 8842 usesLibraryFiles.addAll(p.getAllCodePaths()); 8843 } 8844 } 8845 8846 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 8847 PackageParser.Package changingLib) throws PackageManagerException { 8848 if (pkg == null) { 8849 return; 8850 } 8851 ArraySet<String> usesLibraryFiles = null; 8852 if (pkg.usesLibraries != null) { 8853 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 8854 null, null, pkg.packageName, changingLib, true, null); 8855 } 8856 if (pkg.usesStaticLibraries != null) { 8857 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 8858 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 8859 pkg.packageName, changingLib, true, usesLibraryFiles); 8860 } 8861 if (pkg.usesOptionalLibraries != null) { 8862 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 8863 null, null, pkg.packageName, changingLib, false, usesLibraryFiles); 8864 } 8865 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 8866 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 8867 } else { 8868 pkg.usesLibraryFiles = null; 8869 } 8870 } 8871 8872 private ArraySet<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 8873 @Nullable int[] requiredVersions, @Nullable String[] requiredCertDigests, 8874 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 8875 boolean required, @Nullable ArraySet<String> outUsedLibraries) 8876 throws PackageManagerException { 8877 final int libCount = requestedLibraries.size(); 8878 for (int i = 0; i < libCount; i++) { 8879 final String libName = requestedLibraries.get(i); 8880 final int libVersion = requiredVersions != null ? requiredVersions[i] 8881 : SharedLibraryInfo.VERSION_UNDEFINED; 8882 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 8883 if (libEntry == null) { 8884 if (required) { 8885 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8886 "Package " + packageName + " requires unavailable shared library " 8887 + libName + "; failing!"); 8888 } else { 8889 Slog.w(TAG, "Package " + packageName 8890 + " desires unavailable shared library " 8891 + libName + "; ignoring!"); 8892 } 8893 } else { 8894 if (requiredVersions != null && requiredCertDigests != null) { 8895 if (libEntry.info.getVersion() != requiredVersions[i]) { 8896 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8897 "Package " + packageName + " requires unavailable static shared" 8898 + " library " + libName + " version " 8899 + libEntry.info.getVersion() + "; failing!"); 8900 } 8901 8902 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 8903 if (libPkg == null) { 8904 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8905 "Package " + packageName + " requires unavailable static shared" 8906 + " library; failing!"); 8907 } 8908 8909 String expectedCertDigest = requiredCertDigests[i]; 8910 String libCertDigest = PackageUtils.computeCertSha256Digest( 8911 libPkg.mSignatures[0]); 8912 if (!libCertDigest.equalsIgnoreCase(expectedCertDigest)) { 8913 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8914 "Package " + packageName + " requires differently signed" + 8915 " static shared library; failing!"); 8916 } 8917 } 8918 8919 if (outUsedLibraries == null) { 8920 outUsedLibraries = new ArraySet<>(); 8921 } 8922 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 8923 } 8924 } 8925 return outUsedLibraries; 8926 } 8927 8928 private static boolean hasString(List<String> list, List<String> which) { 8929 if (list == null) { 8930 return false; 8931 } 8932 for (int i=list.size()-1; i>=0; i--) { 8933 for (int j=which.size()-1; j>=0; j--) { 8934 if (which.get(j).equals(list.get(i))) { 8935 return true; 8936 } 8937 } 8938 } 8939 return false; 8940 } 8941 8942 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 8943 PackageParser.Package changingPkg) { 8944 ArrayList<PackageParser.Package> res = null; 8945 for (PackageParser.Package pkg : mPackages.values()) { 8946 if (changingPkg != null 8947 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 8948 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 8949 && !ArrayUtils.contains(pkg.usesStaticLibraries, 8950 changingPkg.staticSharedLibName)) { 8951 return null; 8952 } 8953 if (res == null) { 8954 res = new ArrayList<>(); 8955 } 8956 res.add(pkg); 8957 try { 8958 updateSharedLibrariesLPr(pkg, changingPkg); 8959 } catch (PackageManagerException e) { 8960 // If a system app update or an app and a required lib missing we 8961 // delete the package and for updated system apps keep the data as 8962 // it is better for the user to reinstall than to be in an limbo 8963 // state. Also libs disappearing under an app should never happen 8964 // - just in case. 8965 if (!pkg.isSystemApp() || pkg.isUpdatedSystemApp()) { 8966 final int flags = pkg.isUpdatedSystemApp() 8967 ? PackageManager.DELETE_KEEP_DATA : 0; 8968 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 8969 flags , null, true, null); 8970 } 8971 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8972 } 8973 } 8974 return res; 8975 } 8976 8977 /** 8978 * Derive the value of the {@code cpuAbiOverride} based on the provided 8979 * value and an optional stored value from the package settings. 8980 */ 8981 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 8982 String cpuAbiOverride = null; 8983 8984 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 8985 cpuAbiOverride = null; 8986 } else if (abiOverride != null) { 8987 cpuAbiOverride = abiOverride; 8988 } else if (settings != null) { 8989 cpuAbiOverride = settings.cpuAbiOverrideString; 8990 } 8991 8992 return cpuAbiOverride; 8993 } 8994 8995 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 8996 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 8997 throws PackageManagerException { 8998 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 8999 // If the package has children and this is the first dive in the function 9000 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 9001 // whether all packages (parent and children) would be successfully scanned 9002 // before the actual scan since scanning mutates internal state and we want 9003 // to atomically install the package and its children. 9004 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9005 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 9006 scanFlags |= SCAN_CHECK_ONLY; 9007 } 9008 } else { 9009 scanFlags &= ~SCAN_CHECK_ONLY; 9010 } 9011 9012 final PackageParser.Package scannedPkg; 9013 try { 9014 // Scan the parent 9015 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 9016 // Scan the children 9017 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9018 for (int i = 0; i < childCount; i++) { 9019 PackageParser.Package childPkg = pkg.childPackages.get(i); 9020 scanPackageLI(childPkg, policyFlags, 9021 scanFlags, currentTime, user); 9022 } 9023 } finally { 9024 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9025 } 9026 9027 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9028 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 9029 } 9030 9031 return scannedPkg; 9032 } 9033 9034 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 9035 int scanFlags, long currentTime, @Nullable UserHandle user) 9036 throws PackageManagerException { 9037 boolean success = false; 9038 try { 9039 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 9040 currentTime, user); 9041 success = true; 9042 return res; 9043 } finally { 9044 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 9045 // DELETE_DATA_ON_FAILURES is only used by frozen paths 9046 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 9047 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 9048 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 9049 } 9050 } 9051 } 9052 9053 /** 9054 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 9055 */ 9056 private static boolean apkHasCode(String fileName) { 9057 StrictJarFile jarFile = null; 9058 try { 9059 jarFile = new StrictJarFile(fileName, 9060 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 9061 return jarFile.findEntry("classes.dex") != null; 9062 } catch (IOException ignore) { 9063 } finally { 9064 try { 9065 if (jarFile != null) { 9066 jarFile.close(); 9067 } 9068 } catch (IOException ignore) {} 9069 } 9070 return false; 9071 } 9072 9073 /** 9074 * Enforces code policy for the package. This ensures that if an APK has 9075 * declared hasCode="true" in its manifest that the APK actually contains 9076 * code. 9077 * 9078 * @throws PackageManagerException If bytecode could not be found when it should exist 9079 */ 9080 private static void assertCodePolicy(PackageParser.Package pkg) 9081 throws PackageManagerException { 9082 final boolean shouldHaveCode = 9083 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 9084 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 9085 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9086 "Package " + pkg.baseCodePath + " code is missing"); 9087 } 9088 9089 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 9090 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 9091 final boolean splitShouldHaveCode = 9092 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 9093 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 9094 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9095 "Package " + pkg.splitCodePaths[i] + " code is missing"); 9096 } 9097 } 9098 } 9099 } 9100 9101 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 9102 final int policyFlags, final int scanFlags, long currentTime, @Nullable UserHandle user) 9103 throws PackageManagerException { 9104 if (DEBUG_PACKAGE_SCANNING) { 9105 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9106 Log.d(TAG, "Scanning package " + pkg.packageName); 9107 } 9108 9109 applyPolicy(pkg, policyFlags); 9110 9111 assertPackageIsValid(pkg, policyFlags, scanFlags); 9112 9113 // Initialize package source and resource directories 9114 final File scanFile = new File(pkg.codePath); 9115 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 9116 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 9117 9118 SharedUserSetting suid = null; 9119 PackageSetting pkgSetting = null; 9120 9121 // Getting the package setting may have a side-effect, so if we 9122 // are only checking if scan would succeed, stash a copy of the 9123 // old setting to restore at the end. 9124 PackageSetting nonMutatedPs = null; 9125 9126 // We keep references to the derived CPU Abis from settings in oder to reuse 9127 // them in the case where we're not upgrading or booting for the first time. 9128 String primaryCpuAbiFromSettings = null; 9129 String secondaryCpuAbiFromSettings = null; 9130 9131 // writer 9132 synchronized (mPackages) { 9133 if (pkg.mSharedUserId != null) { 9134 // SIDE EFFECTS; may potentially allocate a new shared user 9135 suid = mSettings.getSharedUserLPw( 9136 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 9137 if (DEBUG_PACKAGE_SCANNING) { 9138 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9139 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 9140 + "): packages=" + suid.packages); 9141 } 9142 } 9143 9144 // Check if we are renaming from an original package name. 9145 PackageSetting origPackage = null; 9146 String realName = null; 9147 if (pkg.mOriginalPackages != null) { 9148 // This package may need to be renamed to a previously 9149 // installed name. Let's check on that... 9150 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 9151 if (pkg.mOriginalPackages.contains(renamed)) { 9152 // This package had originally been installed as the 9153 // original name, and we have already taken care of 9154 // transitioning to the new one. Just update the new 9155 // one to continue using the old name. 9156 realName = pkg.mRealPackage; 9157 if (!pkg.packageName.equals(renamed)) { 9158 // Callers into this function may have already taken 9159 // care of renaming the package; only do it here if 9160 // it is not already done. 9161 pkg.setPackageName(renamed); 9162 } 9163 } else { 9164 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 9165 if ((origPackage = mSettings.getPackageLPr( 9166 pkg.mOriginalPackages.get(i))) != null) { 9167 // We do have the package already installed under its 9168 // original name... should we use it? 9169 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 9170 // New package is not compatible with original. 9171 origPackage = null; 9172 continue; 9173 } else if (origPackage.sharedUser != null) { 9174 // Make sure uid is compatible between packages. 9175 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 9176 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 9177 + " to " + pkg.packageName + ": old uid " 9178 + origPackage.sharedUser.name 9179 + " differs from " + pkg.mSharedUserId); 9180 origPackage = null; 9181 continue; 9182 } 9183 // TODO: Add case when shared user id is added [b/28144775] 9184 } else { 9185 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 9186 + pkg.packageName + " to old name " + origPackage.name); 9187 } 9188 break; 9189 } 9190 } 9191 } 9192 } 9193 9194 if (mTransferedPackages.contains(pkg.packageName)) { 9195 Slog.w(TAG, "Package " + pkg.packageName 9196 + " was transferred to another, but its .apk remains"); 9197 } 9198 9199 // See comments in nonMutatedPs declaration 9200 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9201 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9202 if (foundPs != null) { 9203 nonMutatedPs = new PackageSetting(foundPs); 9204 } 9205 } 9206 9207 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 9208 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9209 if (foundPs != null) { 9210 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 9211 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 9212 } 9213 } 9214 9215 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 9216 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 9217 PackageManagerService.reportSettingsProblem(Log.WARN, 9218 "Package " + pkg.packageName + " shared user changed from " 9219 + (pkgSetting.sharedUser != null 9220 ? pkgSetting.sharedUser.name : "<nothing>") 9221 + " to " 9222 + (suid != null ? suid.name : "<nothing>") 9223 + "; replacing with new"); 9224 pkgSetting = null; 9225 } 9226 final PackageSetting oldPkgSetting = 9227 pkgSetting == null ? null : new PackageSetting(pkgSetting); 9228 final PackageSetting disabledPkgSetting = 9229 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 9230 9231 String[] usesStaticLibraries = null; 9232 if (pkg.usesStaticLibraries != null) { 9233 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 9234 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 9235 } 9236 9237 if (pkgSetting == null) { 9238 final String parentPackageName = (pkg.parentPackage != null) 9239 ? pkg.parentPackage.packageName : null; 9240 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 9241 // REMOVE SharedUserSetting from method; update in a separate call 9242 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 9243 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 9244 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 9245 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 9246 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 9247 true /*allowInstall*/, instantApp, parentPackageName, 9248 pkg.getChildPackageNames(), UserManagerService.getInstance(), 9249 usesStaticLibraries, pkg.usesStaticLibrariesVersions); 9250 // SIDE EFFECTS; updates system state; move elsewhere 9251 if (origPackage != null) { 9252 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 9253 } 9254 mSettings.addUserToSettingLPw(pkgSetting); 9255 } else { 9256 // REMOVE SharedUserSetting from method; update in a separate call. 9257 // 9258 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 9259 // secondaryCpuAbi are not known at this point so we always update them 9260 // to null here, only to reset them at a later point. 9261 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 9262 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 9263 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 9264 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 9265 UserManagerService.getInstance(), usesStaticLibraries, 9266 pkg.usesStaticLibrariesVersions); 9267 } 9268 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 9269 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 9270 9271 // SIDE EFFECTS; modifies system state; move elsewhere 9272 if (pkgSetting.origPackage != null) { 9273 // If we are first transitioning from an original package, 9274 // fix up the new package's name now. We need to do this after 9275 // looking up the package under its new name, so getPackageLP 9276 // can take care of fiddling things correctly. 9277 pkg.setPackageName(origPackage.name); 9278 9279 // File a report about this. 9280 String msg = "New package " + pkgSetting.realName 9281 + " renamed to replace old package " + pkgSetting.name; 9282 reportSettingsProblem(Log.WARN, msg); 9283 9284 // Make a note of it. 9285 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9286 mTransferedPackages.add(origPackage.name); 9287 } 9288 9289 // No longer need to retain this. 9290 pkgSetting.origPackage = null; 9291 } 9292 9293 // SIDE EFFECTS; modifies system state; move elsewhere 9294 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 9295 // Make a note of it. 9296 mTransferedPackages.add(pkg.packageName); 9297 } 9298 9299 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 9300 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9301 } 9302 9303 if ((scanFlags & SCAN_BOOTING) == 0 9304 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9305 // Check all shared libraries and map to their actual file path. 9306 // We only do this here for apps not on a system dir, because those 9307 // are the only ones that can fail an install due to this. We 9308 // will take care of the system apps by updating all of their 9309 // library paths after the scan is done. Also during the initial 9310 // scan don't update any libs as we do this wholesale after all 9311 // apps are scanned to avoid dependency based scanning. 9312 updateSharedLibrariesLPr(pkg, null); 9313 } 9314 9315 if (mFoundPolicyFile) { 9316 SELinuxMMAC.assignSeInfoValue(pkg); 9317 } 9318 pkg.applicationInfo.uid = pkgSetting.appId; 9319 pkg.mExtras = pkgSetting; 9320 9321 9322 // Static shared libs have same package with different versions where 9323 // we internally use a synthetic package name to allow multiple versions 9324 // of the same package, therefore we need to compare signatures against 9325 // the package setting for the latest library version. 9326 PackageSetting signatureCheckPs = pkgSetting; 9327 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9328 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 9329 if (libraryEntry != null) { 9330 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 9331 } 9332 } 9333 9334 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 9335 if (checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 9336 // We just determined the app is signed correctly, so bring 9337 // over the latest parsed certs. 9338 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9339 } else { 9340 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9341 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9342 "Package " + pkg.packageName + " upgrade keys do not match the " 9343 + "previously installed version"); 9344 } else { 9345 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9346 String msg = "System package " + pkg.packageName 9347 + " signature changed; retaining data."; 9348 reportSettingsProblem(Log.WARN, msg); 9349 } 9350 } 9351 } else { 9352 try { 9353 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 9354 verifySignaturesLP(signatureCheckPs, pkg); 9355 // We just determined the app is signed correctly, so bring 9356 // over the latest parsed certs. 9357 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9358 } catch (PackageManagerException e) { 9359 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9360 throw e; 9361 } 9362 // The signature has changed, but this package is in the system 9363 // image... let's recover! 9364 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9365 // However... if this package is part of a shared user, but it 9366 // doesn't match the signature of the shared user, let's fail. 9367 // What this means is that you can't change the signatures 9368 // associated with an overall shared user, which doesn't seem all 9369 // that unreasonable. 9370 if (signatureCheckPs.sharedUser != null) { 9371 if (compareSignatures(signatureCheckPs.sharedUser.signatures.mSignatures, 9372 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 9373 throw new PackageManagerException( 9374 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9375 "Signature mismatch for shared user: " 9376 + pkgSetting.sharedUser); 9377 } 9378 } 9379 // File a report about this. 9380 String msg = "System package " + pkg.packageName 9381 + " signature changed; retaining data."; 9382 reportSettingsProblem(Log.WARN, msg); 9383 } 9384 } 9385 9386 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 9387 // This package wants to adopt ownership of permissions from 9388 // another package. 9389 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 9390 final String origName = pkg.mAdoptPermissions.get(i); 9391 final PackageSetting orig = mSettings.getPackageLPr(origName); 9392 if (orig != null) { 9393 if (verifyPackageUpdateLPr(orig, pkg)) { 9394 Slog.i(TAG, "Adopting permissions from " + origName + " to " 9395 + pkg.packageName); 9396 // SIDE EFFECTS; updates permissions system state; move elsewhere 9397 mSettings.transferPermissionsLPw(origName, pkg.packageName); 9398 } 9399 } 9400 } 9401 } 9402 } 9403 9404 pkg.applicationInfo.processName = fixProcessName( 9405 pkg.applicationInfo.packageName, 9406 pkg.applicationInfo.processName); 9407 9408 if (pkg != mPlatformPackage) { 9409 // Get all of our default paths setup 9410 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 9411 } 9412 9413 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 9414 9415 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 9416 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 9417 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 9418 derivePackageAbi( 9419 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 9420 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9421 9422 // Some system apps still use directory structure for native libraries 9423 // in which case we might end up not detecting abi solely based on apk 9424 // structure. Try to detect abi based on directory structure. 9425 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 9426 pkg.applicationInfo.primaryCpuAbi == null) { 9427 setBundledAppAbisAndRoots(pkg, pkgSetting); 9428 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9429 } 9430 } else { 9431 // This is not a first boot or an upgrade, don't bother deriving the 9432 // ABI during the scan. Instead, trust the value that was stored in the 9433 // package setting. 9434 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 9435 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 9436 9437 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9438 9439 if (DEBUG_ABI_SELECTION) { 9440 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 9441 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 9442 pkg.applicationInfo.secondaryCpuAbi); 9443 } 9444 } 9445 } else { 9446 if ((scanFlags & SCAN_MOVE) != 0) { 9447 // We haven't run dex-opt for this move (since we've moved the compiled output too) 9448 // but we already have this packages package info in the PackageSetting. We just 9449 // use that and derive the native library path based on the new codepath. 9450 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 9451 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 9452 } 9453 9454 // Set native library paths again. For moves, the path will be updated based on the 9455 // ABIs we've determined above. For non-moves, the path will be updated based on the 9456 // ABIs we determined during compilation, but the path will depend on the final 9457 // package path (after the rename away from the stage path). 9458 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9459 } 9460 9461 // This is a special case for the "system" package, where the ABI is 9462 // dictated by the zygote configuration (and init.rc). We should keep track 9463 // of this ABI so that we can deal with "normal" applications that run under 9464 // the same UID correctly. 9465 if (mPlatformPackage == pkg) { 9466 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 9467 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 9468 } 9469 9470 // If there's a mismatch between the abi-override in the package setting 9471 // and the abiOverride specified for the install. Warn about this because we 9472 // would've already compiled the app without taking the package setting into 9473 // account. 9474 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 9475 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 9476 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 9477 " for package " + pkg.packageName); 9478 } 9479 } 9480 9481 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9482 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9483 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 9484 9485 // Copy the derived override back to the parsed package, so that we can 9486 // update the package settings accordingly. 9487 pkg.cpuAbiOverride = cpuAbiOverride; 9488 9489 if (DEBUG_ABI_SELECTION) { 9490 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 9491 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 9492 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 9493 } 9494 9495 // Push the derived path down into PackageSettings so we know what to 9496 // clean up at uninstall time. 9497 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 9498 9499 if (DEBUG_ABI_SELECTION) { 9500 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 9501 " primary=" + pkg.applicationInfo.primaryCpuAbi + 9502 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 9503 } 9504 9505 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 9506 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 9507 // We don't do this here during boot because we can do it all 9508 // at once after scanning all existing packages. 9509 // 9510 // We also do this *before* we perform dexopt on this package, so that 9511 // we can avoid redundant dexopts, and also to make sure we've got the 9512 // code and package path correct. 9513 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 9514 } 9515 9516 if (mFactoryTest && pkg.requestedPermissions.contains( 9517 android.Manifest.permission.FACTORY_TEST)) { 9518 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 9519 } 9520 9521 if (isSystemApp(pkg)) { 9522 pkgSetting.isOrphaned = true; 9523 } 9524 9525 // Take care of first install / last update times. 9526 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 9527 if (currentTime != 0) { 9528 if (pkgSetting.firstInstallTime == 0) { 9529 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 9530 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 9531 pkgSetting.lastUpdateTime = currentTime; 9532 } 9533 } else if (pkgSetting.firstInstallTime == 0) { 9534 // We need *something*. Take time time stamp of the file. 9535 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 9536 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 9537 if (scanFileTime != pkgSetting.timeStamp) { 9538 // A package on the system image has changed; consider this 9539 // to be an update. 9540 pkgSetting.lastUpdateTime = scanFileTime; 9541 } 9542 } 9543 pkgSetting.setTimeStamp(scanFileTime); 9544 9545 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9546 if (nonMutatedPs != null) { 9547 synchronized (mPackages) { 9548 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 9549 } 9550 } 9551 } else { 9552 final int userId = user == null ? 0 : user.getIdentifier(); 9553 // Modify state for the given package setting 9554 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 9555 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 9556 if (pkgSetting.getInstantApp(userId)) { 9557 mInstantAppRegistry.addInstantAppLPw(userId, pkgSetting.appId); 9558 } 9559 } 9560 return pkg; 9561 } 9562 9563 /** 9564 * Applies policy to the parsed package based upon the given policy flags. 9565 * Ensures the package is in a good state. 9566 * <p> 9567 * Implementation detail: This method must NOT have any side effect. It would 9568 * ideally be static, but, it requires locks to read system state. 9569 */ 9570 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 9571 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 9572 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 9573 if (pkg.applicationInfo.isDirectBootAware()) { 9574 // we're direct boot aware; set for all components 9575 for (PackageParser.Service s : pkg.services) { 9576 s.info.encryptionAware = s.info.directBootAware = true; 9577 } 9578 for (PackageParser.Provider p : pkg.providers) { 9579 p.info.encryptionAware = p.info.directBootAware = true; 9580 } 9581 for (PackageParser.Activity a : pkg.activities) { 9582 a.info.encryptionAware = a.info.directBootAware = true; 9583 } 9584 for (PackageParser.Activity r : pkg.receivers) { 9585 r.info.encryptionAware = r.info.directBootAware = true; 9586 } 9587 } 9588 } else { 9589 // Only allow system apps to be flagged as core apps. 9590 pkg.coreApp = false; 9591 // clear flags not applicable to regular apps 9592 pkg.applicationInfo.privateFlags &= 9593 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 9594 pkg.applicationInfo.privateFlags &= 9595 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 9596 } 9597 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 9598 9599 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 9600 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 9601 } 9602 9603 if (!isSystemApp(pkg)) { 9604 // Only system apps can use these features. 9605 pkg.mOriginalPackages = null; 9606 pkg.mRealPackage = null; 9607 pkg.mAdoptPermissions = null; 9608 } 9609 } 9610 9611 /** 9612 * Asserts the parsed package is valid according to the given policy. If the 9613 * package is invalid, for whatever reason, throws {@link PackgeManagerException}. 9614 * <p> 9615 * Implementation detail: This method must NOT have any side effects. It would 9616 * ideally be static, but, it requires locks to read system state. 9617 * 9618 * @throws PackageManagerException If the package fails any of the validation checks 9619 */ 9620 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 9621 throws PackageManagerException { 9622 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 9623 assertCodePolicy(pkg); 9624 } 9625 9626 if (pkg.applicationInfo.getCodePath() == null || 9627 pkg.applicationInfo.getResourcePath() == null) { 9628 // Bail out. The resource and code paths haven't been set. 9629 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9630 "Code and resource paths haven't been set correctly"); 9631 } 9632 9633 // Make sure we're not adding any bogus keyset info 9634 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9635 ksms.assertScannedPackageValid(pkg); 9636 9637 synchronized (mPackages) { 9638 // The special "android" package can only be defined once 9639 if (pkg.packageName.equals("android")) { 9640 if (mAndroidApplication != null) { 9641 Slog.w(TAG, "*************************************************"); 9642 Slog.w(TAG, "Core android package being redefined. Skipping."); 9643 Slog.w(TAG, " codePath=" + pkg.codePath); 9644 Slog.w(TAG, "*************************************************"); 9645 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9646 "Core android package being redefined. Skipping."); 9647 } 9648 } 9649 9650 // A package name must be unique; don't allow duplicates 9651 if (mPackages.containsKey(pkg.packageName)) { 9652 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9653 "Application package " + pkg.packageName 9654 + " already installed. Skipping duplicate."); 9655 } 9656 9657 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9658 // Static libs have a synthetic package name containing the version 9659 // but we still want the base name to be unique. 9660 if (mPackages.containsKey(pkg.manifestPackageName)) { 9661 throw new PackageManagerException( 9662 "Duplicate static shared lib provider package"); 9663 } 9664 9665 // Static shared libraries should have at least O target SDK 9666 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 9667 throw new PackageManagerException( 9668 "Packages declaring static-shared libs must target O SDK or higher"); 9669 } 9670 9671 // Package declaring static a shared lib cannot be instant apps 9672 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 9673 throw new PackageManagerException( 9674 "Packages declaring static-shared libs cannot be instant apps"); 9675 } 9676 9677 // Package declaring static a shared lib cannot be renamed since the package 9678 // name is synthetic and apps can't code around package manager internals. 9679 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 9680 throw new PackageManagerException( 9681 "Packages declaring static-shared libs cannot be renamed"); 9682 } 9683 9684 // Package declaring static a shared lib cannot declare child packages 9685 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 9686 throw new PackageManagerException( 9687 "Packages declaring static-shared libs cannot have child packages"); 9688 } 9689 9690 // Package declaring static a shared lib cannot declare dynamic libs 9691 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 9692 throw new PackageManagerException( 9693 "Packages declaring static-shared libs cannot declare dynamic libs"); 9694 } 9695 9696 // Package declaring static a shared lib cannot declare shared users 9697 if (pkg.mSharedUserId != null) { 9698 throw new PackageManagerException( 9699 "Packages declaring static-shared libs cannot declare shared users"); 9700 } 9701 9702 // Static shared libs cannot declare activities 9703 if (!pkg.activities.isEmpty()) { 9704 throw new PackageManagerException( 9705 "Static shared libs cannot declare activities"); 9706 } 9707 9708 // Static shared libs cannot declare services 9709 if (!pkg.services.isEmpty()) { 9710 throw new PackageManagerException( 9711 "Static shared libs cannot declare services"); 9712 } 9713 9714 // Static shared libs cannot declare providers 9715 if (!pkg.providers.isEmpty()) { 9716 throw new PackageManagerException( 9717 "Static shared libs cannot declare content providers"); 9718 } 9719 9720 // Static shared libs cannot declare receivers 9721 if (!pkg.receivers.isEmpty()) { 9722 throw new PackageManagerException( 9723 "Static shared libs cannot declare broadcast receivers"); 9724 } 9725 9726 // Static shared libs cannot declare permission groups 9727 if (!pkg.permissionGroups.isEmpty()) { 9728 throw new PackageManagerException( 9729 "Static shared libs cannot declare permission groups"); 9730 } 9731 9732 // Static shared libs cannot declare permissions 9733 if (!pkg.permissions.isEmpty()) { 9734 throw new PackageManagerException( 9735 "Static shared libs cannot declare permissions"); 9736 } 9737 9738 // Static shared libs cannot declare protected broadcasts 9739 if (pkg.protectedBroadcasts != null) { 9740 throw new PackageManagerException( 9741 "Static shared libs cannot declare protected broadcasts"); 9742 } 9743 9744 // Static shared libs cannot be overlay targets 9745 if (pkg.mOverlayTarget != null) { 9746 throw new PackageManagerException( 9747 "Static shared libs cannot be overlay targets"); 9748 } 9749 9750 // The version codes must be ordered as lib versions 9751 int minVersionCode = Integer.MIN_VALUE; 9752 int maxVersionCode = Integer.MAX_VALUE; 9753 9754 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9755 pkg.staticSharedLibName); 9756 if (versionedLib != null) { 9757 final int versionCount = versionedLib.size(); 9758 for (int i = 0; i < versionCount; i++) { 9759 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 9760 // TODO: We will change version code to long, so in the new API it is long 9761 final int libVersionCode = (int) libInfo.getDeclaringPackage() 9762 .getVersionCode(); 9763 if (libInfo.getVersion() < pkg.staticSharedLibVersion) { 9764 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 9765 } else if (libInfo.getVersion() > pkg.staticSharedLibVersion) { 9766 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 9767 } else { 9768 minVersionCode = maxVersionCode = libVersionCode; 9769 break; 9770 } 9771 } 9772 } 9773 if (pkg.mVersionCode < minVersionCode || pkg.mVersionCode > maxVersionCode) { 9774 throw new PackageManagerException("Static shared" 9775 + " lib version codes must be ordered as lib versions"); 9776 } 9777 } 9778 9779 // Only privileged apps and updated privileged apps can add child packages. 9780 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 9781 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 9782 throw new PackageManagerException("Only privileged apps can add child " 9783 + "packages. Ignoring package " + pkg.packageName); 9784 } 9785 final int childCount = pkg.childPackages.size(); 9786 for (int i = 0; i < childCount; i++) { 9787 PackageParser.Package childPkg = pkg.childPackages.get(i); 9788 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 9789 childPkg.packageName)) { 9790 throw new PackageManagerException("Can't override child of " 9791 + "another disabled app. Ignoring package " + pkg.packageName); 9792 } 9793 } 9794 } 9795 9796 // If we're only installing presumed-existing packages, require that the 9797 // scanned APK is both already known and at the path previously established 9798 // for it. Previously unknown packages we pick up normally, but if we have an 9799 // a priori expectation about this package's install presence, enforce it. 9800 // With a singular exception for new system packages. When an OTA contains 9801 // a new system package, we allow the codepath to change from a system location 9802 // to the user-installed location. If we don't allow this change, any newer, 9803 // user-installed version of the application will be ignored. 9804 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 9805 if (mExpectingBetter.containsKey(pkg.packageName)) { 9806 logCriticalInfo(Log.WARN, 9807 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 9808 } else { 9809 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 9810 if (known != null) { 9811 if (DEBUG_PACKAGE_SCANNING) { 9812 Log.d(TAG, "Examining " + pkg.codePath 9813 + " and requiring known paths " + known.codePathString 9814 + " & " + known.resourcePathString); 9815 } 9816 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 9817 || !pkg.applicationInfo.getResourcePath().equals( 9818 known.resourcePathString)) { 9819 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 9820 "Application package " + pkg.packageName 9821 + " found at " + pkg.applicationInfo.getCodePath() 9822 + " but expected at " + known.codePathString 9823 + "; ignoring."); 9824 } 9825 } 9826 } 9827 } 9828 9829 // Verify that this new package doesn't have any content providers 9830 // that conflict with existing packages. Only do this if the 9831 // package isn't already installed, since we don't want to break 9832 // things that are installed. 9833 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 9834 final int N = pkg.providers.size(); 9835 int i; 9836 for (i=0; i<N; i++) { 9837 PackageParser.Provider p = pkg.providers.get(i); 9838 if (p.info.authority != null) { 9839 String names[] = p.info.authority.split(";"); 9840 for (int j = 0; j < names.length; j++) { 9841 if (mProvidersByAuthority.containsKey(names[j])) { 9842 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9843 final String otherPackageName = 9844 ((other != null && other.getComponentName() != null) ? 9845 other.getComponentName().getPackageName() : "?"); 9846 throw new PackageManagerException( 9847 INSTALL_FAILED_CONFLICTING_PROVIDER, 9848 "Can't install because provider name " + names[j] 9849 + " (in package " + pkg.applicationInfo.packageName 9850 + ") is already used by " + otherPackageName); 9851 } 9852 } 9853 } 9854 } 9855 } 9856 } 9857 } 9858 9859 private boolean addSharedLibraryLPw(String path, String apk, String name, int version, 9860 int type, String declaringPackageName, int declaringVersionCode) { 9861 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9862 if (versionedLib == null) { 9863 versionedLib = new SparseArray<>(); 9864 mSharedLibraries.put(name, versionedLib); 9865 if (type == SharedLibraryInfo.TYPE_STATIC) { 9866 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 9867 } 9868 } else if (versionedLib.indexOfKey(version) >= 0) { 9869 return false; 9870 } 9871 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 9872 version, type, declaringPackageName, declaringVersionCode); 9873 versionedLib.put(version, libEntry); 9874 return true; 9875 } 9876 9877 private boolean removeSharedLibraryLPw(String name, int version) { 9878 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9879 if (versionedLib == null) { 9880 return false; 9881 } 9882 final int libIdx = versionedLib.indexOfKey(version); 9883 if (libIdx < 0) { 9884 return false; 9885 } 9886 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 9887 versionedLib.remove(version); 9888 if (versionedLib.size() <= 0) { 9889 mSharedLibraries.remove(name); 9890 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 9891 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 9892 .getPackageName()); 9893 } 9894 } 9895 return true; 9896 } 9897 9898 /** 9899 * Adds a scanned package to the system. When this method is finished, the package will 9900 * be available for query, resolution, etc... 9901 */ 9902 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 9903 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 9904 final String pkgName = pkg.packageName; 9905 if (mCustomResolverComponentName != null && 9906 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 9907 setUpCustomResolverActivity(pkg); 9908 } 9909 9910 if (pkg.packageName.equals("android")) { 9911 synchronized (mPackages) { 9912 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9913 // Set up information for our fall-back user intent resolution activity. 9914 mPlatformPackage = pkg; 9915 pkg.mVersionCode = mSdkVersion; 9916 mAndroidApplication = pkg.applicationInfo; 9917 if (!mResolverReplaced) { 9918 mResolveActivity.applicationInfo = mAndroidApplication; 9919 mResolveActivity.name = ResolverActivity.class.getName(); 9920 mResolveActivity.packageName = mAndroidApplication.packageName; 9921 mResolveActivity.processName = "system:ui"; 9922 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9923 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 9924 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 9925 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 9926 mResolveActivity.exported = true; 9927 mResolveActivity.enabled = true; 9928 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 9929 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 9930 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 9931 | ActivityInfo.CONFIG_SCREEN_LAYOUT 9932 | ActivityInfo.CONFIG_ORIENTATION 9933 | ActivityInfo.CONFIG_KEYBOARD 9934 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 9935 mResolveInfo.activityInfo = mResolveActivity; 9936 mResolveInfo.priority = 0; 9937 mResolveInfo.preferredOrder = 0; 9938 mResolveInfo.match = 0; 9939 mResolveComponentName = new ComponentName( 9940 mAndroidApplication.packageName, mResolveActivity.name); 9941 } 9942 } 9943 } 9944 } 9945 9946 ArrayList<PackageParser.Package> clientLibPkgs = null; 9947 // writer 9948 synchronized (mPackages) { 9949 boolean hasStaticSharedLibs = false; 9950 9951 // Any app can add new static shared libraries 9952 if (pkg.staticSharedLibName != null) { 9953 // Static shared libs don't allow renaming as they have synthetic package 9954 // names to allow install of multiple versions, so use name from manifest. 9955 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 9956 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 9957 pkg.manifestPackageName, pkg.mVersionCode)) { 9958 hasStaticSharedLibs = true; 9959 } else { 9960 Slog.w(TAG, "Package " + pkg.packageName + " library " 9961 + pkg.staticSharedLibName + " already exists; skipping"); 9962 } 9963 // Static shared libs cannot be updated once installed since they 9964 // use synthetic package name which includes the version code, so 9965 // not need to update other packages's shared lib dependencies. 9966 } 9967 9968 if (!hasStaticSharedLibs 9969 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 9970 // Only system apps can add new dynamic shared libraries. 9971 if (pkg.libraryNames != null) { 9972 for (int i = 0; i < pkg.libraryNames.size(); i++) { 9973 String name = pkg.libraryNames.get(i); 9974 boolean allowed = false; 9975 if (pkg.isUpdatedSystemApp()) { 9976 // New library entries can only be added through the 9977 // system image. This is important to get rid of a lot 9978 // of nasty edge cases: for example if we allowed a non- 9979 // system update of the app to add a library, then uninstalling 9980 // the update would make the library go away, and assumptions 9981 // we made such as through app install filtering would now 9982 // have allowed apps on the device which aren't compatible 9983 // with it. Better to just have the restriction here, be 9984 // conservative, and create many fewer cases that can negatively 9985 // impact the user experience. 9986 final PackageSetting sysPs = mSettings 9987 .getDisabledSystemPkgLPr(pkg.packageName); 9988 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 9989 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 9990 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 9991 allowed = true; 9992 break; 9993 } 9994 } 9995 } 9996 } else { 9997 allowed = true; 9998 } 9999 if (allowed) { 10000 if (!addSharedLibraryLPw(null, pkg.packageName, name, 10001 SharedLibraryInfo.VERSION_UNDEFINED, 10002 SharedLibraryInfo.TYPE_DYNAMIC, 10003 pkg.packageName, pkg.mVersionCode)) { 10004 Slog.w(TAG, "Package " + pkg.packageName + " library " 10005 + name + " already exists; skipping"); 10006 } 10007 } else { 10008 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 10009 + name + " that is not declared on system image; skipping"); 10010 } 10011 } 10012 10013 if ((scanFlags & SCAN_BOOTING) == 0) { 10014 // If we are not booting, we need to update any applications 10015 // that are clients of our shared library. If we are booting, 10016 // this will all be done once the scan is complete. 10017 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 10018 } 10019 } 10020 } 10021 } 10022 10023 if ((scanFlags & SCAN_BOOTING) != 0) { 10024 // No apps can run during boot scan, so they don't need to be frozen 10025 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 10026 // Caller asked to not kill app, so it's probably not frozen 10027 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 10028 // Caller asked us to ignore frozen check for some reason; they 10029 // probably didn't know the package name 10030 } else { 10031 // We're doing major surgery on this package, so it better be frozen 10032 // right now to keep it from launching 10033 checkPackageFrozen(pkgName); 10034 } 10035 10036 // Also need to kill any apps that are dependent on the library. 10037 if (clientLibPkgs != null) { 10038 for (int i=0; i<clientLibPkgs.size(); i++) { 10039 PackageParser.Package clientPkg = clientLibPkgs.get(i); 10040 killApplication(clientPkg.applicationInfo.packageName, 10041 clientPkg.applicationInfo.uid, "update lib"); 10042 } 10043 } 10044 10045 // writer 10046 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 10047 10048 synchronized (mPackages) { 10049 // We don't expect installation to fail beyond this point 10050 10051 if (pkgSetting.pkg != null) { 10052 // Note that |user| might be null during the initial boot scan. If a codePath 10053 // for an app has changed during a boot scan, it's due to an app update that's 10054 // part of the system partition and marker changes must be applied to all users. 10055 final int userId = ((user != null) ? user : UserHandle.ALL).getIdentifier(); 10056 final int[] userIds = resolveUserIds(userId); 10057 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, userIds); 10058 } 10059 10060 // Add the new setting to mSettings 10061 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 10062 // Add the new setting to mPackages 10063 mPackages.put(pkg.applicationInfo.packageName, pkg); 10064 // Make sure we don't accidentally delete its data. 10065 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 10066 while (iter.hasNext()) { 10067 PackageCleanItem item = iter.next(); 10068 if (pkgName.equals(item.packageName)) { 10069 iter.remove(); 10070 } 10071 } 10072 10073 // Add the package's KeySets to the global KeySetManagerService 10074 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10075 ksms.addScannedPackageLPw(pkg); 10076 10077 int N = pkg.providers.size(); 10078 StringBuilder r = null; 10079 int i; 10080 for (i=0; i<N; i++) { 10081 PackageParser.Provider p = pkg.providers.get(i); 10082 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 10083 p.info.processName); 10084 mProviders.addProvider(p); 10085 p.syncable = p.info.isSyncable; 10086 if (p.info.authority != null) { 10087 String names[] = p.info.authority.split(";"); 10088 p.info.authority = null; 10089 for (int j = 0; j < names.length; j++) { 10090 if (j == 1 && p.syncable) { 10091 // We only want the first authority for a provider to possibly be 10092 // syncable, so if we already added this provider using a different 10093 // authority clear the syncable flag. We copy the provider before 10094 // changing it because the mProviders object contains a reference 10095 // to a provider that we don't want to change. 10096 // Only do this for the second authority since the resulting provider 10097 // object can be the same for all future authorities for this provider. 10098 p = new PackageParser.Provider(p); 10099 p.syncable = false; 10100 } 10101 if (!mProvidersByAuthority.containsKey(names[j])) { 10102 mProvidersByAuthority.put(names[j], p); 10103 if (p.info.authority == null) { 10104 p.info.authority = names[j]; 10105 } else { 10106 p.info.authority = p.info.authority + ";" + names[j]; 10107 } 10108 if (DEBUG_PACKAGE_SCANNING) { 10109 if (chatty) 10110 Log.d(TAG, "Registered content provider: " + names[j] 10111 + ", className = " + p.info.name + ", isSyncable = " 10112 + p.info.isSyncable); 10113 } 10114 } else { 10115 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 10116 Slog.w(TAG, "Skipping provider name " + names[j] + 10117 " (in package " + pkg.applicationInfo.packageName + 10118 "): name already used by " 10119 + ((other != null && other.getComponentName() != null) 10120 ? other.getComponentName().getPackageName() : "?")); 10121 } 10122 } 10123 } 10124 if (chatty) { 10125 if (r == null) { 10126 r = new StringBuilder(256); 10127 } else { 10128 r.append(' '); 10129 } 10130 r.append(p.info.name); 10131 } 10132 } 10133 if (r != null) { 10134 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 10135 } 10136 10137 N = pkg.services.size(); 10138 r = null; 10139 for (i=0; i<N; i++) { 10140 PackageParser.Service s = pkg.services.get(i); 10141 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 10142 s.info.processName); 10143 mServices.addService(s); 10144 if (chatty) { 10145 if (r == null) { 10146 r = new StringBuilder(256); 10147 } else { 10148 r.append(' '); 10149 } 10150 r.append(s.info.name); 10151 } 10152 } 10153 if (r != null) { 10154 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 10155 } 10156 10157 N = pkg.receivers.size(); 10158 r = null; 10159 for (i=0; i<N; i++) { 10160 PackageParser.Activity a = pkg.receivers.get(i); 10161 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10162 a.info.processName); 10163 mReceivers.addActivity(a, "receiver"); 10164 if (chatty) { 10165 if (r == null) { 10166 r = new StringBuilder(256); 10167 } else { 10168 r.append(' '); 10169 } 10170 r.append(a.info.name); 10171 } 10172 } 10173 if (r != null) { 10174 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 10175 } 10176 10177 N = pkg.activities.size(); 10178 r = null; 10179 for (i=0; i<N; i++) { 10180 PackageParser.Activity a = pkg.activities.get(i); 10181 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10182 a.info.processName); 10183 mActivities.addActivity(a, "activity"); 10184 if (chatty) { 10185 if (r == null) { 10186 r = new StringBuilder(256); 10187 } else { 10188 r.append(' '); 10189 } 10190 r.append(a.info.name); 10191 } 10192 } 10193 if (r != null) { 10194 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 10195 } 10196 10197 N = pkg.permissionGroups.size(); 10198 r = null; 10199 for (i=0; i<N; i++) { 10200 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 10201 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 10202 final String curPackageName = cur == null ? null : cur.info.packageName; 10203 // Dont allow ephemeral apps to define new permission groups. 10204 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10205 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10206 + pg.info.packageName 10207 + " ignored: instant apps cannot define new permission groups."); 10208 continue; 10209 } 10210 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 10211 if (cur == null || isPackageUpdate) { 10212 mPermissionGroups.put(pg.info.name, pg); 10213 if (chatty) { 10214 if (r == null) { 10215 r = new StringBuilder(256); 10216 } else { 10217 r.append(' '); 10218 } 10219 if (isPackageUpdate) { 10220 r.append("UPD:"); 10221 } 10222 r.append(pg.info.name); 10223 } 10224 } else { 10225 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10226 + pg.info.packageName + " ignored: original from " 10227 + cur.info.packageName); 10228 if (chatty) { 10229 if (r == null) { 10230 r = new StringBuilder(256); 10231 } else { 10232 r.append(' '); 10233 } 10234 r.append("DUP:"); 10235 r.append(pg.info.name); 10236 } 10237 } 10238 } 10239 if (r != null) { 10240 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 10241 } 10242 10243 N = pkg.permissions.size(); 10244 r = null; 10245 for (i=0; i<N; i++) { 10246 PackageParser.Permission p = pkg.permissions.get(i); 10247 10248 // Dont allow ephemeral apps to define new permissions. 10249 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10250 Slog.w(TAG, "Permission " + p.info.name + " from package " 10251 + p.info.packageName 10252 + " ignored: instant apps cannot define new permissions."); 10253 continue; 10254 } 10255 10256 // Assume by default that we did not install this permission into the system. 10257 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 10258 10259 // Now that permission groups have a special meaning, we ignore permission 10260 // groups for legacy apps to prevent unexpected behavior. In particular, 10261 // permissions for one app being granted to someone just becase they happen 10262 // to be in a group defined by another app (before this had no implications). 10263 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 10264 p.group = mPermissionGroups.get(p.info.group); 10265 // Warn for a permission in an unknown group. 10266 if (p.info.group != null && p.group == null) { 10267 Slog.w(TAG, "Permission " + p.info.name + " from package " 10268 + p.info.packageName + " in an unknown group " + p.info.group); 10269 } 10270 } 10271 10272 ArrayMap<String, BasePermission> permissionMap = 10273 p.tree ? mSettings.mPermissionTrees 10274 : mSettings.mPermissions; 10275 BasePermission bp = permissionMap.get(p.info.name); 10276 10277 // Allow system apps to redefine non-system permissions 10278 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 10279 final boolean currentOwnerIsSystem = (bp.perm != null 10280 && isSystemApp(bp.perm.owner)); 10281 if (isSystemApp(p.owner)) { 10282 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 10283 // It's a built-in permission and no owner, take ownership now 10284 bp.packageSetting = pkgSetting; 10285 bp.perm = p; 10286 bp.uid = pkg.applicationInfo.uid; 10287 bp.sourcePackage = p.info.packageName; 10288 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10289 } else if (!currentOwnerIsSystem) { 10290 String msg = "New decl " + p.owner + " of permission " 10291 + p.info.name + " is system; overriding " + bp.sourcePackage; 10292 reportSettingsProblem(Log.WARN, msg); 10293 bp = null; 10294 } 10295 } 10296 } 10297 10298 if (bp == null) { 10299 bp = new BasePermission(p.info.name, p.info.packageName, 10300 BasePermission.TYPE_NORMAL); 10301 permissionMap.put(p.info.name, bp); 10302 } 10303 10304 if (bp.perm == null) { 10305 if (bp.sourcePackage == null 10306 || bp.sourcePackage.equals(p.info.packageName)) { 10307 BasePermission tree = findPermissionTreeLP(p.info.name); 10308 if (tree == null 10309 || tree.sourcePackage.equals(p.info.packageName)) { 10310 bp.packageSetting = pkgSetting; 10311 bp.perm = p; 10312 bp.uid = pkg.applicationInfo.uid; 10313 bp.sourcePackage = p.info.packageName; 10314 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10315 if (chatty) { 10316 if (r == null) { 10317 r = new StringBuilder(256); 10318 } else { 10319 r.append(' '); 10320 } 10321 r.append(p.info.name); 10322 } 10323 } else { 10324 Slog.w(TAG, "Permission " + p.info.name + " from package " 10325 + p.info.packageName + " ignored: base tree " 10326 + tree.name + " is from package " 10327 + tree.sourcePackage); 10328 } 10329 } else { 10330 Slog.w(TAG, "Permission " + p.info.name + " from package " 10331 + p.info.packageName + " ignored: original from " 10332 + bp.sourcePackage); 10333 } 10334 } else if (chatty) { 10335 if (r == null) { 10336 r = new StringBuilder(256); 10337 } else { 10338 r.append(' '); 10339 } 10340 r.append("DUP:"); 10341 r.append(p.info.name); 10342 } 10343 if (bp.perm == p) { 10344 bp.protectionLevel = p.info.protectionLevel; 10345 } 10346 } 10347 10348 if (r != null) { 10349 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 10350 } 10351 10352 N = pkg.instrumentation.size(); 10353 r = null; 10354 for (i=0; i<N; i++) { 10355 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 10356 a.info.packageName = pkg.applicationInfo.packageName; 10357 a.info.sourceDir = pkg.applicationInfo.sourceDir; 10358 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 10359 a.info.splitNames = pkg.splitNames; 10360 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 10361 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 10362 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 10363 a.info.dataDir = pkg.applicationInfo.dataDir; 10364 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 10365 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 10366 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 10367 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 10368 mInstrumentation.put(a.getComponentName(), a); 10369 if (chatty) { 10370 if (r == null) { 10371 r = new StringBuilder(256); 10372 } else { 10373 r.append(' '); 10374 } 10375 r.append(a.info.name); 10376 } 10377 } 10378 if (r != null) { 10379 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 10380 } 10381 10382 if (pkg.protectedBroadcasts != null) { 10383 N = pkg.protectedBroadcasts.size(); 10384 for (i=0; i<N; i++) { 10385 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 10386 } 10387 } 10388 } 10389 10390 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10391 } 10392 10393 private static void maybeRenameForeignDexMarkers(PackageParser.Package existing, 10394 PackageParser.Package update, int[] userIds) { 10395 if (existing.applicationInfo == null || update.applicationInfo == null) { 10396 // This isn't due to an app installation. 10397 return; 10398 } 10399 10400 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 10401 final File newCodePath = new File(update.applicationInfo.getCodePath()); 10402 10403 // The codePath hasn't changed, so there's nothing for us to do. 10404 if (Objects.equals(oldCodePath, newCodePath)) { 10405 return; 10406 } 10407 10408 File canonicalNewCodePath; 10409 try { 10410 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 10411 } catch (IOException e) { 10412 Slog.w(TAG, "Failed to get canonical path.", e); 10413 return; 10414 } 10415 10416 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 10417 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 10418 // that the last component of the path (i.e, the name) doesn't need canonicalization 10419 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 10420 // but may change in the future. Hopefully this function won't exist at that point. 10421 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 10422 oldCodePath.getName()); 10423 10424 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 10425 // with "@". 10426 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 10427 if (!oldMarkerPrefix.endsWith("@")) { 10428 oldMarkerPrefix += "@"; 10429 } 10430 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 10431 if (!newMarkerPrefix.endsWith("@")) { 10432 newMarkerPrefix += "@"; 10433 } 10434 10435 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 10436 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 10437 for (String updatedPath : updatedPaths) { 10438 String updatedPathName = new File(updatedPath).getName(); 10439 markerSuffixes.add(updatedPathName.replace('/', '@')); 10440 } 10441 10442 for (int userId : userIds) { 10443 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 10444 10445 for (String markerSuffix : markerSuffixes) { 10446 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 10447 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 10448 if (oldForeignUseMark.exists()) { 10449 try { 10450 Os.rename(oldForeignUseMark.getAbsolutePath(), 10451 newForeignUseMark.getAbsolutePath()); 10452 } catch (ErrnoException e) { 10453 Slog.w(TAG, "Failed to rename foreign use marker", e); 10454 oldForeignUseMark.delete(); 10455 } 10456 } 10457 } 10458 } 10459 } 10460 10461 /** 10462 * Derive the ABI of a non-system package located at {@code scanFile}. This information 10463 * is derived purely on the basis of the contents of {@code scanFile} and 10464 * {@code cpuAbiOverride}. 10465 * 10466 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 10467 */ 10468 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 10469 String cpuAbiOverride, boolean extractLibs, 10470 File appLib32InstallDir) 10471 throws PackageManagerException { 10472 // Give ourselves some initial paths; we'll come back for another 10473 // pass once we've determined ABI below. 10474 setNativeLibraryPaths(pkg, appLib32InstallDir); 10475 10476 // We would never need to extract libs for forward-locked and external packages, 10477 // since the container service will do it for us. We shouldn't attempt to 10478 // extract libs from system app when it was not updated. 10479 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 10480 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 10481 extractLibs = false; 10482 } 10483 10484 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 10485 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 10486 10487 NativeLibraryHelper.Handle handle = null; 10488 try { 10489 handle = NativeLibraryHelper.Handle.create(pkg); 10490 // TODO(multiArch): This can be null for apps that didn't go through the 10491 // usual installation process. We can calculate it again, like we 10492 // do during install time. 10493 // 10494 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 10495 // unnecessary. 10496 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 10497 10498 // Null out the abis so that they can be recalculated. 10499 pkg.applicationInfo.primaryCpuAbi = null; 10500 pkg.applicationInfo.secondaryCpuAbi = null; 10501 if (isMultiArch(pkg.applicationInfo)) { 10502 // Warn if we've set an abiOverride for multi-lib packages.. 10503 // By definition, we need to copy both 32 and 64 bit libraries for 10504 // such packages. 10505 if (pkg.cpuAbiOverride != null 10506 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 10507 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 10508 } 10509 10510 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 10511 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 10512 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 10513 if (extractLibs) { 10514 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10515 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10516 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 10517 useIsaSpecificSubdirs); 10518 } else { 10519 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10520 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 10521 } 10522 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10523 } 10524 10525 maybeThrowExceptionForMultiArchCopy( 10526 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 10527 10528 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 10529 if (extractLibs) { 10530 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10531 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10532 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 10533 useIsaSpecificSubdirs); 10534 } else { 10535 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10536 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 10537 } 10538 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10539 } 10540 10541 maybeThrowExceptionForMultiArchCopy( 10542 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 10543 10544 if (abi64 >= 0) { 10545 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 10546 } 10547 10548 if (abi32 >= 0) { 10549 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 10550 if (abi64 >= 0) { 10551 if (pkg.use32bitAbi) { 10552 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 10553 pkg.applicationInfo.primaryCpuAbi = abi; 10554 } else { 10555 pkg.applicationInfo.secondaryCpuAbi = abi; 10556 } 10557 } else { 10558 pkg.applicationInfo.primaryCpuAbi = abi; 10559 } 10560 } 10561 10562 } else { 10563 String[] abiList = (cpuAbiOverride != null) ? 10564 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 10565 10566 // Enable gross and lame hacks for apps that are built with old 10567 // SDK tools. We must scan their APKs for renderscript bitcode and 10568 // not launch them if it's present. Don't bother checking on devices 10569 // that don't have 64 bit support. 10570 boolean needsRenderScriptOverride = false; 10571 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 10572 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 10573 abiList = Build.SUPPORTED_32_BIT_ABIS; 10574 needsRenderScriptOverride = true; 10575 } 10576 10577 final int copyRet; 10578 if (extractLibs) { 10579 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10580 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10581 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 10582 } else { 10583 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10584 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 10585 } 10586 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10587 10588 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 10589 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 10590 "Error unpackaging native libs for app, errorCode=" + copyRet); 10591 } 10592 10593 if (copyRet >= 0) { 10594 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 10595 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 10596 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 10597 } else if (needsRenderScriptOverride) { 10598 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 10599 } 10600 } 10601 } catch (IOException ioe) { 10602 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 10603 } finally { 10604 IoUtils.closeQuietly(handle); 10605 } 10606 10607 // Now that we've calculated the ABIs and determined if it's an internal app, 10608 // we will go ahead and populate the nativeLibraryPath. 10609 setNativeLibraryPaths(pkg, appLib32InstallDir); 10610 } 10611 10612 /** 10613 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 10614 * i.e, so that all packages can be run inside a single process if required. 10615 * 10616 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 10617 * this function will either try and make the ABI for all packages in {@code packagesForUser} 10618 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 10619 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 10620 * updating a package that belongs to a shared user. 10621 * 10622 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 10623 * adds unnecessary complexity. 10624 */ 10625 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 10626 PackageParser.Package scannedPackage) { 10627 String requiredInstructionSet = null; 10628 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 10629 requiredInstructionSet = VMRuntime.getInstructionSet( 10630 scannedPackage.applicationInfo.primaryCpuAbi); 10631 } 10632 10633 PackageSetting requirer = null; 10634 for (PackageSetting ps : packagesForUser) { 10635 // If packagesForUser contains scannedPackage, we skip it. This will happen 10636 // when scannedPackage is an update of an existing package. Without this check, 10637 // we will never be able to change the ABI of any package belonging to a shared 10638 // user, even if it's compatible with other packages. 10639 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10640 if (ps.primaryCpuAbiString == null) { 10641 continue; 10642 } 10643 10644 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 10645 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 10646 // We have a mismatch between instruction sets (say arm vs arm64) warn about 10647 // this but there's not much we can do. 10648 String errorMessage = "Instruction set mismatch, " 10649 + ((requirer == null) ? "[caller]" : requirer) 10650 + " requires " + requiredInstructionSet + " whereas " + ps 10651 + " requires " + instructionSet; 10652 Slog.w(TAG, errorMessage); 10653 } 10654 10655 if (requiredInstructionSet == null) { 10656 requiredInstructionSet = instructionSet; 10657 requirer = ps; 10658 } 10659 } 10660 } 10661 10662 if (requiredInstructionSet != null) { 10663 String adjustedAbi; 10664 if (requirer != null) { 10665 // requirer != null implies that either scannedPackage was null or that scannedPackage 10666 // did not require an ABI, in which case we have to adjust scannedPackage to match 10667 // the ABI of the set (which is the same as requirer's ABI) 10668 adjustedAbi = requirer.primaryCpuAbiString; 10669 if (scannedPackage != null) { 10670 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 10671 } 10672 } else { 10673 // requirer == null implies that we're updating all ABIs in the set to 10674 // match scannedPackage. 10675 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 10676 } 10677 10678 for (PackageSetting ps : packagesForUser) { 10679 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10680 if (ps.primaryCpuAbiString != null) { 10681 continue; 10682 } 10683 10684 ps.primaryCpuAbiString = adjustedAbi; 10685 if (ps.pkg != null && ps.pkg.applicationInfo != null && 10686 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 10687 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 10688 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 10689 + " (requirer=" 10690 + (requirer == null ? "null" : requirer.pkg.packageName) 10691 + ", scannedPackage=" 10692 + (scannedPackage != null ? scannedPackage.packageName : "null") 10693 + ")"); 10694 try { 10695 mInstaller.rmdex(ps.codePathString, 10696 getDexCodeInstructionSet(getPreferredInstructionSet())); 10697 } catch (InstallerException ignored) { 10698 } 10699 } 10700 } 10701 } 10702 } 10703 } 10704 10705 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 10706 synchronized (mPackages) { 10707 mResolverReplaced = true; 10708 // Set up information for custom user intent resolution activity. 10709 mResolveActivity.applicationInfo = pkg.applicationInfo; 10710 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 10711 mResolveActivity.packageName = pkg.applicationInfo.packageName; 10712 mResolveActivity.processName = pkg.applicationInfo.packageName; 10713 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10714 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 10715 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10716 mResolveActivity.theme = 0; 10717 mResolveActivity.exported = true; 10718 mResolveActivity.enabled = true; 10719 mResolveInfo.activityInfo = mResolveActivity; 10720 mResolveInfo.priority = 0; 10721 mResolveInfo.preferredOrder = 0; 10722 mResolveInfo.match = 0; 10723 mResolveComponentName = mCustomResolverComponentName; 10724 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 10725 mResolveComponentName); 10726 } 10727 } 10728 10729 private void setUpInstantAppInstallerActivityLP(ComponentName installerComponent) { 10730 if (installerComponent == null) { 10731 if (DEBUG_EPHEMERAL) { 10732 Slog.d(TAG, "Clear ephemeral installer activity"); 10733 } 10734 mInstantAppInstallerActivity.applicationInfo = null; 10735 return; 10736 } 10737 10738 if (DEBUG_EPHEMERAL) { 10739 Slog.d(TAG, "Set ephemeral installer activity: " + installerComponent); 10740 } 10741 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 10742 // Set up information for ephemeral installer activity 10743 mInstantAppInstallerActivity.applicationInfo = pkg.applicationInfo; 10744 mInstantAppInstallerActivity.name = installerComponent.getClassName(); 10745 mInstantAppInstallerActivity.packageName = pkg.applicationInfo.packageName; 10746 mInstantAppInstallerActivity.processName = pkg.applicationInfo.packageName; 10747 mInstantAppInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10748 mInstantAppInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 10749 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10750 mInstantAppInstallerActivity.theme = 0; 10751 mInstantAppInstallerActivity.exported = true; 10752 mInstantAppInstallerActivity.enabled = true; 10753 mInstantAppInstallerInfo.activityInfo = mInstantAppInstallerActivity; 10754 mInstantAppInstallerInfo.priority = 0; 10755 mInstantAppInstallerInfo.preferredOrder = 1; 10756 mInstantAppInstallerInfo.isDefault = true; 10757 mInstantAppInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 10758 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 10759 } 10760 10761 private static String calculateBundledApkRoot(final String codePathString) { 10762 final File codePath = new File(codePathString); 10763 final File codeRoot; 10764 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 10765 codeRoot = Environment.getRootDirectory(); 10766 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 10767 codeRoot = Environment.getOemDirectory(); 10768 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 10769 codeRoot = Environment.getVendorDirectory(); 10770 } else { 10771 // Unrecognized code path; take its top real segment as the apk root: 10772 // e.g. /something/app/blah.apk => /something 10773 try { 10774 File f = codePath.getCanonicalFile(); 10775 File parent = f.getParentFile(); // non-null because codePath is a file 10776 File tmp; 10777 while ((tmp = parent.getParentFile()) != null) { 10778 f = parent; 10779 parent = tmp; 10780 } 10781 codeRoot = f; 10782 Slog.w(TAG, "Unrecognized code path " 10783 + codePath + " - using " + codeRoot); 10784 } catch (IOException e) { 10785 // Can't canonicalize the code path -- shenanigans? 10786 Slog.w(TAG, "Can't canonicalize code path " + codePath); 10787 return Environment.getRootDirectory().getPath(); 10788 } 10789 } 10790 return codeRoot.getPath(); 10791 } 10792 10793 /** 10794 * Derive and set the location of native libraries for the given package, 10795 * which varies depending on where and how the package was installed. 10796 */ 10797 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 10798 final ApplicationInfo info = pkg.applicationInfo; 10799 final String codePath = pkg.codePath; 10800 final File codeFile = new File(codePath); 10801 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 10802 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 10803 10804 info.nativeLibraryRootDir = null; 10805 info.nativeLibraryRootRequiresIsa = false; 10806 info.nativeLibraryDir = null; 10807 info.secondaryNativeLibraryDir = null; 10808 10809 if (isApkFile(codeFile)) { 10810 // Monolithic install 10811 if (bundledApp) { 10812 // If "/system/lib64/apkname" exists, assume that is the per-package 10813 // native library directory to use; otherwise use "/system/lib/apkname". 10814 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 10815 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 10816 getPrimaryInstructionSet(info)); 10817 10818 // This is a bundled system app so choose the path based on the ABI. 10819 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 10820 // is just the default path. 10821 final String apkName = deriveCodePathName(codePath); 10822 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 10823 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 10824 apkName).getAbsolutePath(); 10825 10826 if (info.secondaryCpuAbi != null) { 10827 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 10828 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 10829 secondaryLibDir, apkName).getAbsolutePath(); 10830 } 10831 } else if (asecApp) { 10832 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 10833 .getAbsolutePath(); 10834 } else { 10835 final String apkName = deriveCodePathName(codePath); 10836 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 10837 .getAbsolutePath(); 10838 } 10839 10840 info.nativeLibraryRootRequiresIsa = false; 10841 info.nativeLibraryDir = info.nativeLibraryRootDir; 10842 } else { 10843 // Cluster install 10844 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 10845 info.nativeLibraryRootRequiresIsa = true; 10846 10847 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 10848 getPrimaryInstructionSet(info)).getAbsolutePath(); 10849 10850 if (info.secondaryCpuAbi != null) { 10851 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 10852 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 10853 } 10854 } 10855 } 10856 10857 /** 10858 * Calculate the abis and roots for a bundled app. These can uniquely 10859 * be determined from the contents of the system partition, i.e whether 10860 * it contains 64 or 32 bit shared libraries etc. We do not validate any 10861 * of this information, and instead assume that the system was built 10862 * sensibly. 10863 */ 10864 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 10865 PackageSetting pkgSetting) { 10866 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 10867 10868 // If "/system/lib64/apkname" exists, assume that is the per-package 10869 // native library directory to use; otherwise use "/system/lib/apkname". 10870 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 10871 setBundledAppAbi(pkg, apkRoot, apkName); 10872 // pkgSetting might be null during rescan following uninstall of updates 10873 // to a bundled app, so accommodate that possibility. The settings in 10874 // that case will be established later from the parsed package. 10875 // 10876 // If the settings aren't null, sync them up with what we've just derived. 10877 // note that apkRoot isn't stored in the package settings. 10878 if (pkgSetting != null) { 10879 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10880 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10881 } 10882 } 10883 10884 /** 10885 * Deduces the ABI of a bundled app and sets the relevant fields on the 10886 * parsed pkg object. 10887 * 10888 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 10889 * under which system libraries are installed. 10890 * @param apkName the name of the installed package. 10891 */ 10892 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 10893 final File codeFile = new File(pkg.codePath); 10894 10895 final boolean has64BitLibs; 10896 final boolean has32BitLibs; 10897 if (isApkFile(codeFile)) { 10898 // Monolithic install 10899 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 10900 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 10901 } else { 10902 // Cluster install 10903 final File rootDir = new File(codeFile, LIB_DIR_NAME); 10904 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 10905 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 10906 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 10907 has64BitLibs = (new File(rootDir, isa)).exists(); 10908 } else { 10909 has64BitLibs = false; 10910 } 10911 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 10912 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 10913 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 10914 has32BitLibs = (new File(rootDir, isa)).exists(); 10915 } else { 10916 has32BitLibs = false; 10917 } 10918 } 10919 10920 if (has64BitLibs && !has32BitLibs) { 10921 // The package has 64 bit libs, but not 32 bit libs. Its primary 10922 // ABI should be 64 bit. We can safely assume here that the bundled 10923 // native libraries correspond to the most preferred ABI in the list. 10924 10925 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10926 pkg.applicationInfo.secondaryCpuAbi = null; 10927 } else if (has32BitLibs && !has64BitLibs) { 10928 // The package has 32 bit libs but not 64 bit libs. Its primary 10929 // ABI should be 32 bit. 10930 10931 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10932 pkg.applicationInfo.secondaryCpuAbi = null; 10933 } else if (has32BitLibs && has64BitLibs) { 10934 // The application has both 64 and 32 bit bundled libraries. We check 10935 // here that the app declares multiArch support, and warn if it doesn't. 10936 // 10937 // We will be lenient here and record both ABIs. The primary will be the 10938 // ABI that's higher on the list, i.e, a device that's configured to prefer 10939 // 64 bit apps will see a 64 bit primary ABI, 10940 10941 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 10942 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 10943 } 10944 10945 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 10946 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10947 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10948 } else { 10949 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10950 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10951 } 10952 } else { 10953 pkg.applicationInfo.primaryCpuAbi = null; 10954 pkg.applicationInfo.secondaryCpuAbi = null; 10955 } 10956 } 10957 10958 private void killApplication(String pkgName, int appId, String reason) { 10959 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 10960 } 10961 10962 private void killApplication(String pkgName, int appId, int userId, String reason) { 10963 // Request the ActivityManager to kill the process(only for existing packages) 10964 // so that we do not end up in a confused state while the user is still using the older 10965 // version of the application while the new one gets installed. 10966 final long token = Binder.clearCallingIdentity(); 10967 try { 10968 IActivityManager am = ActivityManager.getService(); 10969 if (am != null) { 10970 try { 10971 am.killApplication(pkgName, appId, userId, reason); 10972 } catch (RemoteException e) { 10973 } 10974 } 10975 } finally { 10976 Binder.restoreCallingIdentity(token); 10977 } 10978 } 10979 10980 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 10981 // Remove the parent package setting 10982 PackageSetting ps = (PackageSetting) pkg.mExtras; 10983 if (ps != null) { 10984 removePackageLI(ps, chatty); 10985 } 10986 // Remove the child package setting 10987 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10988 for (int i = 0; i < childCount; i++) { 10989 PackageParser.Package childPkg = pkg.childPackages.get(i); 10990 ps = (PackageSetting) childPkg.mExtras; 10991 if (ps != null) { 10992 removePackageLI(ps, chatty); 10993 } 10994 } 10995 } 10996 10997 void removePackageLI(PackageSetting ps, boolean chatty) { 10998 if (DEBUG_INSTALL) { 10999 if (chatty) 11000 Log.d(TAG, "Removing package " + ps.name); 11001 } 11002 11003 // writer 11004 synchronized (mPackages) { 11005 mPackages.remove(ps.name); 11006 final PackageParser.Package pkg = ps.pkg; 11007 if (pkg != null) { 11008 cleanPackageDataStructuresLILPw(pkg, chatty); 11009 } 11010 } 11011 } 11012 11013 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 11014 if (DEBUG_INSTALL) { 11015 if (chatty) 11016 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 11017 } 11018 11019 // writer 11020 synchronized (mPackages) { 11021 // Remove the parent package 11022 mPackages.remove(pkg.applicationInfo.packageName); 11023 cleanPackageDataStructuresLILPw(pkg, chatty); 11024 11025 // Remove the child packages 11026 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11027 for (int i = 0; i < childCount; i++) { 11028 PackageParser.Package childPkg = pkg.childPackages.get(i); 11029 mPackages.remove(childPkg.applicationInfo.packageName); 11030 cleanPackageDataStructuresLILPw(childPkg, chatty); 11031 } 11032 } 11033 } 11034 11035 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 11036 int N = pkg.providers.size(); 11037 StringBuilder r = null; 11038 int i; 11039 for (i=0; i<N; i++) { 11040 PackageParser.Provider p = pkg.providers.get(i); 11041 mProviders.removeProvider(p); 11042 if (p.info.authority == null) { 11043 11044 /* There was another ContentProvider with this authority when 11045 * this app was installed so this authority is null, 11046 * Ignore it as we don't have to unregister the provider. 11047 */ 11048 continue; 11049 } 11050 String names[] = p.info.authority.split(";"); 11051 for (int j = 0; j < names.length; j++) { 11052 if (mProvidersByAuthority.get(names[j]) == p) { 11053 mProvidersByAuthority.remove(names[j]); 11054 if (DEBUG_REMOVE) { 11055 if (chatty) 11056 Log.d(TAG, "Unregistered content provider: " + names[j] 11057 + ", className = " + p.info.name + ", isSyncable = " 11058 + p.info.isSyncable); 11059 } 11060 } 11061 } 11062 if (DEBUG_REMOVE && chatty) { 11063 if (r == null) { 11064 r = new StringBuilder(256); 11065 } else { 11066 r.append(' '); 11067 } 11068 r.append(p.info.name); 11069 } 11070 } 11071 if (r != null) { 11072 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 11073 } 11074 11075 N = pkg.services.size(); 11076 r = null; 11077 for (i=0; i<N; i++) { 11078 PackageParser.Service s = pkg.services.get(i); 11079 mServices.removeService(s); 11080 if (chatty) { 11081 if (r == null) { 11082 r = new StringBuilder(256); 11083 } else { 11084 r.append(' '); 11085 } 11086 r.append(s.info.name); 11087 } 11088 } 11089 if (r != null) { 11090 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 11091 } 11092 11093 N = pkg.receivers.size(); 11094 r = null; 11095 for (i=0; i<N; i++) { 11096 PackageParser.Activity a = pkg.receivers.get(i); 11097 mReceivers.removeActivity(a, "receiver"); 11098 if (DEBUG_REMOVE && chatty) { 11099 if (r == null) { 11100 r = new StringBuilder(256); 11101 } else { 11102 r.append(' '); 11103 } 11104 r.append(a.info.name); 11105 } 11106 } 11107 if (r != null) { 11108 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 11109 } 11110 11111 N = pkg.activities.size(); 11112 r = null; 11113 for (i=0; i<N; i++) { 11114 PackageParser.Activity a = pkg.activities.get(i); 11115 mActivities.removeActivity(a, "activity"); 11116 if (DEBUG_REMOVE && chatty) { 11117 if (r == null) { 11118 r = new StringBuilder(256); 11119 } else { 11120 r.append(' '); 11121 } 11122 r.append(a.info.name); 11123 } 11124 } 11125 if (r != null) { 11126 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 11127 } 11128 11129 N = pkg.permissions.size(); 11130 r = null; 11131 for (i=0; i<N; i++) { 11132 PackageParser.Permission p = pkg.permissions.get(i); 11133 BasePermission bp = mSettings.mPermissions.get(p.info.name); 11134 if (bp == null) { 11135 bp = mSettings.mPermissionTrees.get(p.info.name); 11136 } 11137 if (bp != null && bp.perm == p) { 11138 bp.perm = null; 11139 if (DEBUG_REMOVE && chatty) { 11140 if (r == null) { 11141 r = new StringBuilder(256); 11142 } else { 11143 r.append(' '); 11144 } 11145 r.append(p.info.name); 11146 } 11147 } 11148 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11149 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 11150 if (appOpPkgs != null) { 11151 appOpPkgs.remove(pkg.packageName); 11152 } 11153 } 11154 } 11155 if (r != null) { 11156 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11157 } 11158 11159 N = pkg.requestedPermissions.size(); 11160 r = null; 11161 for (i=0; i<N; i++) { 11162 String perm = pkg.requestedPermissions.get(i); 11163 BasePermission bp = mSettings.mPermissions.get(perm); 11164 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11165 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 11166 if (appOpPkgs != null) { 11167 appOpPkgs.remove(pkg.packageName); 11168 if (appOpPkgs.isEmpty()) { 11169 mAppOpPermissionPackages.remove(perm); 11170 } 11171 } 11172 } 11173 } 11174 if (r != null) { 11175 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11176 } 11177 11178 N = pkg.instrumentation.size(); 11179 r = null; 11180 for (i=0; i<N; i++) { 11181 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11182 mInstrumentation.remove(a.getComponentName()); 11183 if (DEBUG_REMOVE && chatty) { 11184 if (r == null) { 11185 r = new StringBuilder(256); 11186 } else { 11187 r.append(' '); 11188 } 11189 r.append(a.info.name); 11190 } 11191 } 11192 if (r != null) { 11193 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 11194 } 11195 11196 r = null; 11197 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 11198 // Only system apps can hold shared libraries. 11199 if (pkg.libraryNames != null) { 11200 for (i = 0; i < pkg.libraryNames.size(); i++) { 11201 String name = pkg.libraryNames.get(i); 11202 if (removeSharedLibraryLPw(name, 0)) { 11203 if (DEBUG_REMOVE && chatty) { 11204 if (r == null) { 11205 r = new StringBuilder(256); 11206 } else { 11207 r.append(' '); 11208 } 11209 r.append(name); 11210 } 11211 } 11212 } 11213 } 11214 } 11215 11216 r = null; 11217 11218 // Any package can hold static shared libraries. 11219 if (pkg.staticSharedLibName != null) { 11220 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 11221 if (DEBUG_REMOVE && chatty) { 11222 if (r == null) { 11223 r = new StringBuilder(256); 11224 } else { 11225 r.append(' '); 11226 } 11227 r.append(pkg.staticSharedLibName); 11228 } 11229 } 11230 } 11231 11232 if (r != null) { 11233 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 11234 } 11235 } 11236 11237 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 11238 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 11239 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 11240 return true; 11241 } 11242 } 11243 return false; 11244 } 11245 11246 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 11247 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 11248 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 11249 11250 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 11251 // Update the parent permissions 11252 updatePermissionsLPw(pkg.packageName, pkg, flags); 11253 // Update the child permissions 11254 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11255 for (int i = 0; i < childCount; i++) { 11256 PackageParser.Package childPkg = pkg.childPackages.get(i); 11257 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 11258 } 11259 } 11260 11261 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 11262 int flags) { 11263 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 11264 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 11265 } 11266 11267 private void updatePermissionsLPw(String changingPkg, 11268 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 11269 // Make sure there are no dangling permission trees. 11270 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 11271 while (it.hasNext()) { 11272 final BasePermission bp = it.next(); 11273 if (bp.packageSetting == null) { 11274 // We may not yet have parsed the package, so just see if 11275 // we still know about its settings. 11276 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11277 } 11278 if (bp.packageSetting == null) { 11279 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 11280 + " from package " + bp.sourcePackage); 11281 it.remove(); 11282 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11283 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11284 Slog.i(TAG, "Removing old permission tree: " + bp.name 11285 + " from package " + bp.sourcePackage); 11286 flags |= UPDATE_PERMISSIONS_ALL; 11287 it.remove(); 11288 } 11289 } 11290 } 11291 11292 // Make sure all dynamic permissions have been assigned to a package, 11293 // and make sure there are no dangling permissions. 11294 it = mSettings.mPermissions.values().iterator(); 11295 while (it.hasNext()) { 11296 final BasePermission bp = it.next(); 11297 if (bp.type == BasePermission.TYPE_DYNAMIC) { 11298 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 11299 + bp.name + " pkg=" + bp.sourcePackage 11300 + " info=" + bp.pendingInfo); 11301 if (bp.packageSetting == null && bp.pendingInfo != null) { 11302 final BasePermission tree = findPermissionTreeLP(bp.name); 11303 if (tree != null && tree.perm != null) { 11304 bp.packageSetting = tree.packageSetting; 11305 bp.perm = new PackageParser.Permission(tree.perm.owner, 11306 new PermissionInfo(bp.pendingInfo)); 11307 bp.perm.info.packageName = tree.perm.info.packageName; 11308 bp.perm.info.name = bp.name; 11309 bp.uid = tree.uid; 11310 } 11311 } 11312 } 11313 if (bp.packageSetting == null) { 11314 // We may not yet have parsed the package, so just see if 11315 // we still know about its settings. 11316 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11317 } 11318 if (bp.packageSetting == null) { 11319 Slog.w(TAG, "Removing dangling permission: " + bp.name 11320 + " from package " + bp.sourcePackage); 11321 it.remove(); 11322 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11323 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11324 Slog.i(TAG, "Removing old permission: " + bp.name 11325 + " from package " + bp.sourcePackage); 11326 flags |= UPDATE_PERMISSIONS_ALL; 11327 it.remove(); 11328 } 11329 } 11330 } 11331 11332 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 11333 // Now update the permissions for all packages, in particular 11334 // replace the granted permissions of the system packages. 11335 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 11336 for (PackageParser.Package pkg : mPackages.values()) { 11337 if (pkg != pkgInfo) { 11338 // Only replace for packages on requested volume 11339 final String volumeUuid = getVolumeUuidForPackage(pkg); 11340 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 11341 && Objects.equals(replaceVolumeUuid, volumeUuid); 11342 grantPermissionsLPw(pkg, replace, changingPkg); 11343 } 11344 } 11345 } 11346 11347 if (pkgInfo != null) { 11348 // Only replace for packages on requested volume 11349 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 11350 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 11351 && Objects.equals(replaceVolumeUuid, volumeUuid); 11352 grantPermissionsLPw(pkgInfo, replace, changingPkg); 11353 } 11354 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11355 } 11356 11357 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 11358 String packageOfInterest) { 11359 // IMPORTANT: There are two types of permissions: install and runtime. 11360 // Install time permissions are granted when the app is installed to 11361 // all device users and users added in the future. Runtime permissions 11362 // are granted at runtime explicitly to specific users. Normal and signature 11363 // protected permissions are install time permissions. Dangerous permissions 11364 // are install permissions if the app's target SDK is Lollipop MR1 or older, 11365 // otherwise they are runtime permissions. This function does not manage 11366 // runtime permissions except for the case an app targeting Lollipop MR1 11367 // being upgraded to target a newer SDK, in which case dangerous permissions 11368 // are transformed from install time to runtime ones. 11369 11370 final PackageSetting ps = (PackageSetting) pkg.mExtras; 11371 if (ps == null) { 11372 return; 11373 } 11374 11375 PermissionsState permissionsState = ps.getPermissionsState(); 11376 PermissionsState origPermissions = permissionsState; 11377 11378 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 11379 11380 boolean runtimePermissionsRevoked = false; 11381 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 11382 11383 boolean changedInstallPermission = false; 11384 11385 if (replace) { 11386 ps.installPermissionsFixed = false; 11387 if (!ps.isSharedUser()) { 11388 origPermissions = new PermissionsState(permissionsState); 11389 permissionsState.reset(); 11390 } else { 11391 // We need to know only about runtime permission changes since the 11392 // calling code always writes the install permissions state but 11393 // the runtime ones are written only if changed. The only cases of 11394 // changed runtime permissions here are promotion of an install to 11395 // runtime and revocation of a runtime from a shared user. 11396 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 11397 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 11398 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 11399 runtimePermissionsRevoked = true; 11400 } 11401 } 11402 } 11403 11404 permissionsState.setGlobalGids(mGlobalGids); 11405 11406 final int N = pkg.requestedPermissions.size(); 11407 for (int i=0; i<N; i++) { 11408 final String name = pkg.requestedPermissions.get(i); 11409 final BasePermission bp = mSettings.mPermissions.get(name); 11410 11411 if (DEBUG_INSTALL) { 11412 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 11413 } 11414 11415 if (bp == null || bp.packageSetting == null) { 11416 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11417 Slog.w(TAG, "Unknown permission " + name 11418 + " in package " + pkg.packageName); 11419 } 11420 continue; 11421 } 11422 11423 11424 // Limit ephemeral apps to ephemeral allowed permissions. 11425 if (pkg.applicationInfo.isInstantApp() && !bp.isInstant()) { 11426 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 11427 + pkg.packageName); 11428 continue; 11429 } 11430 11431 final String perm = bp.name; 11432 boolean allowedSig = false; 11433 int grant = GRANT_DENIED; 11434 11435 // Keep track of app op permissions. 11436 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11437 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 11438 if (pkgs == null) { 11439 pkgs = new ArraySet<>(); 11440 mAppOpPermissionPackages.put(bp.name, pkgs); 11441 } 11442 pkgs.add(pkg.packageName); 11443 } 11444 11445 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 11446 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 11447 >= Build.VERSION_CODES.M; 11448 switch (level) { 11449 case PermissionInfo.PROTECTION_NORMAL: { 11450 // For all apps normal permissions are install time ones. 11451 grant = GRANT_INSTALL; 11452 } break; 11453 11454 case PermissionInfo.PROTECTION_DANGEROUS: { 11455 // If a permission review is required for legacy apps we represent 11456 // their permissions as always granted runtime ones since we need 11457 // to keep the review required permission flag per user while an 11458 // install permission's state is shared across all users. 11459 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 11460 // For legacy apps dangerous permissions are install time ones. 11461 grant = GRANT_INSTALL; 11462 } else if (origPermissions.hasInstallPermission(bp.name)) { 11463 // For legacy apps that became modern, install becomes runtime. 11464 grant = GRANT_UPGRADE; 11465 } else if (mPromoteSystemApps 11466 && isSystemApp(ps) 11467 && mExistingSystemPackages.contains(ps.name)) { 11468 // For legacy system apps, install becomes runtime. 11469 // We cannot check hasInstallPermission() for system apps since those 11470 // permissions were granted implicitly and not persisted pre-M. 11471 grant = GRANT_UPGRADE; 11472 } else { 11473 // For modern apps keep runtime permissions unchanged. 11474 grant = GRANT_RUNTIME; 11475 } 11476 } break; 11477 11478 case PermissionInfo.PROTECTION_SIGNATURE: { 11479 // For all apps signature permissions are install time ones. 11480 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 11481 if (allowedSig) { 11482 grant = GRANT_INSTALL; 11483 } 11484 } break; 11485 } 11486 11487 if (DEBUG_INSTALL) { 11488 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 11489 } 11490 11491 if (grant != GRANT_DENIED) { 11492 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 11493 // If this is an existing, non-system package, then 11494 // we can't add any new permissions to it. 11495 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 11496 // Except... if this is a permission that was added 11497 // to the platform (note: need to only do this when 11498 // updating the platform). 11499 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 11500 grant = GRANT_DENIED; 11501 } 11502 } 11503 } 11504 11505 switch (grant) { 11506 case GRANT_INSTALL: { 11507 // Revoke this as runtime permission to handle the case of 11508 // a runtime permission being downgraded to an install one. 11509 // Also in permission review mode we keep dangerous permissions 11510 // for legacy apps 11511 for (int userId : UserManagerService.getInstance().getUserIds()) { 11512 if (origPermissions.getRuntimePermissionState( 11513 bp.name, userId) != null) { 11514 // Revoke the runtime permission and clear the flags. 11515 origPermissions.revokeRuntimePermission(bp, userId); 11516 origPermissions.updatePermissionFlags(bp, userId, 11517 PackageManager.MASK_PERMISSION_FLAGS, 0); 11518 // If we revoked a permission permission, we have to write. 11519 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11520 changedRuntimePermissionUserIds, userId); 11521 } 11522 } 11523 // Grant an install permission. 11524 if (permissionsState.grantInstallPermission(bp) != 11525 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11526 changedInstallPermission = true; 11527 } 11528 } break; 11529 11530 case GRANT_RUNTIME: { 11531 // Grant previously granted runtime permissions. 11532 for (int userId : UserManagerService.getInstance().getUserIds()) { 11533 PermissionState permissionState = origPermissions 11534 .getRuntimePermissionState(bp.name, userId); 11535 int flags = permissionState != null 11536 ? permissionState.getFlags() : 0; 11537 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 11538 // Don't propagate the permission in a permission review mode if 11539 // the former was revoked, i.e. marked to not propagate on upgrade. 11540 // Note that in a permission review mode install permissions are 11541 // represented as constantly granted runtime ones since we need to 11542 // keep a per user state associated with the permission. Also the 11543 // revoke on upgrade flag is no longer applicable and is reset. 11544 final boolean revokeOnUpgrade = (flags & PackageManager 11545 .FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 11546 if (revokeOnUpgrade) { 11547 flags &= ~PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 11548 // Since we changed the flags, we have to write. 11549 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11550 changedRuntimePermissionUserIds, userId); 11551 } 11552 if (!mPermissionReviewRequired || !revokeOnUpgrade) { 11553 if (permissionsState.grantRuntimePermission(bp, userId) == 11554 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11555 // If we cannot put the permission as it was, 11556 // we have to write. 11557 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11558 changedRuntimePermissionUserIds, userId); 11559 } 11560 } 11561 11562 // If the app supports runtime permissions no need for a review. 11563 if (mPermissionReviewRequired 11564 && appSupportsRuntimePermissions 11565 && (flags & PackageManager 11566 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 11567 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 11568 // Since we changed the flags, we have to write. 11569 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11570 changedRuntimePermissionUserIds, userId); 11571 } 11572 } else if (mPermissionReviewRequired 11573 && !appSupportsRuntimePermissions) { 11574 // For legacy apps that need a permission review, every new 11575 // runtime permission is granted but it is pending a review. 11576 // We also need to review only platform defined runtime 11577 // permissions as these are the only ones the platform knows 11578 // how to disable the API to simulate revocation as legacy 11579 // apps don't expect to run with revoked permissions. 11580 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 11581 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 11582 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 11583 // We changed the flags, hence have to write. 11584 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11585 changedRuntimePermissionUserIds, userId); 11586 } 11587 } 11588 if (permissionsState.grantRuntimePermission(bp, userId) 11589 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11590 // We changed the permission, hence have to write. 11591 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11592 changedRuntimePermissionUserIds, userId); 11593 } 11594 } 11595 // Propagate the permission flags. 11596 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 11597 } 11598 } break; 11599 11600 case GRANT_UPGRADE: { 11601 // Grant runtime permissions for a previously held install permission. 11602 PermissionState permissionState = origPermissions 11603 .getInstallPermissionState(bp.name); 11604 final int flags = permissionState != null ? permissionState.getFlags() : 0; 11605 11606 if (origPermissions.revokeInstallPermission(bp) 11607 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11608 // We will be transferring the permission flags, so clear them. 11609 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 11610 PackageManager.MASK_PERMISSION_FLAGS, 0); 11611 changedInstallPermission = true; 11612 } 11613 11614 // If the permission is not to be promoted to runtime we ignore it and 11615 // also its other flags as they are not applicable to install permissions. 11616 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 11617 for (int userId : currentUserIds) { 11618 if (permissionsState.grantRuntimePermission(bp, userId) != 11619 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11620 // Transfer the permission flags. 11621 permissionsState.updatePermissionFlags(bp, userId, 11622 flags, flags); 11623 // If we granted the permission, we have to write. 11624 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11625 changedRuntimePermissionUserIds, userId); 11626 } 11627 } 11628 } 11629 } break; 11630 11631 default: { 11632 if (packageOfInterest == null 11633 || packageOfInterest.equals(pkg.packageName)) { 11634 Slog.w(TAG, "Not granting permission " + perm 11635 + " to package " + pkg.packageName 11636 + " because it was previously installed without"); 11637 } 11638 } break; 11639 } 11640 } else { 11641 if (permissionsState.revokeInstallPermission(bp) != 11642 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11643 // Also drop the permission flags. 11644 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 11645 PackageManager.MASK_PERMISSION_FLAGS, 0); 11646 changedInstallPermission = true; 11647 Slog.i(TAG, "Un-granting permission " + perm 11648 + " from package " + pkg.packageName 11649 + " (protectionLevel=" + bp.protectionLevel 11650 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11651 + ")"); 11652 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 11653 // Don't print warning for app op permissions, since it is fine for them 11654 // not to be granted, there is a UI for the user to decide. 11655 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11656 Slog.w(TAG, "Not granting permission " + perm 11657 + " to package " + pkg.packageName 11658 + " (protectionLevel=" + bp.protectionLevel 11659 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11660 + ")"); 11661 } 11662 } 11663 } 11664 } 11665 11666 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 11667 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 11668 // This is the first that we have heard about this package, so the 11669 // permissions we have now selected are fixed until explicitly 11670 // changed. 11671 ps.installPermissionsFixed = true; 11672 } 11673 11674 // Persist the runtime permissions state for users with changes. If permissions 11675 // were revoked because no app in the shared user declares them we have to 11676 // write synchronously to avoid losing runtime permissions state. 11677 for (int userId : changedRuntimePermissionUserIds) { 11678 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 11679 } 11680 } 11681 11682 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 11683 boolean allowed = false; 11684 final int NP = PackageParser.NEW_PERMISSIONS.length; 11685 for (int ip=0; ip<NP; ip++) { 11686 final PackageParser.NewPermissionInfo npi 11687 = PackageParser.NEW_PERMISSIONS[ip]; 11688 if (npi.name.equals(perm) 11689 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 11690 allowed = true; 11691 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 11692 + pkg.packageName); 11693 break; 11694 } 11695 } 11696 return allowed; 11697 } 11698 11699 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 11700 BasePermission bp, PermissionsState origPermissions) { 11701 boolean privilegedPermission = (bp.protectionLevel 11702 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 11703 boolean privappPermissionsDisable = 11704 RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; 11705 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 11706 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 11707 if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivilegedApp() 11708 && !platformPackage && platformPermission) { 11709 ArraySet<String> wlPermissions = SystemConfig.getInstance() 11710 .getPrivAppPermissions(pkg.packageName); 11711 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 11712 if (!whitelisted) { 11713 Slog.w(TAG, "Privileged permission " + perm + " for package " 11714 + pkg.packageName + " - not in privapp-permissions whitelist"); 11715 // Only report violations for apps on system image 11716 if (!mSystemReady && !pkg.isUpdatedSystemApp()) { 11717 if (mPrivappPermissionsViolations == null) { 11718 mPrivappPermissionsViolations = new ArraySet<>(); 11719 } 11720 mPrivappPermissionsViolations.add(pkg.packageName + ": " + perm); 11721 } 11722 if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { 11723 return false; 11724 } 11725 } 11726 } 11727 boolean allowed = (compareSignatures( 11728 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 11729 == PackageManager.SIGNATURE_MATCH) 11730 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 11731 == PackageManager.SIGNATURE_MATCH); 11732 if (!allowed && privilegedPermission) { 11733 if (isSystemApp(pkg)) { 11734 // For updated system applications, a system permission 11735 // is granted only if it had been defined by the original application. 11736 if (pkg.isUpdatedSystemApp()) { 11737 final PackageSetting sysPs = mSettings 11738 .getDisabledSystemPkgLPr(pkg.packageName); 11739 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 11740 // If the original was granted this permission, we take 11741 // that grant decision as read and propagate it to the 11742 // update. 11743 if (sysPs.isPrivileged()) { 11744 allowed = true; 11745 } 11746 } else { 11747 // The system apk may have been updated with an older 11748 // version of the one on the data partition, but which 11749 // granted a new system permission that it didn't have 11750 // before. In this case we do want to allow the app to 11751 // now get the new permission if the ancestral apk is 11752 // privileged to get it. 11753 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 11754 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 11755 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 11756 allowed = true; 11757 break; 11758 } 11759 } 11760 } 11761 // Also if a privileged parent package on the system image or any of 11762 // its children requested a privileged permission, the updated child 11763 // packages can also get the permission. 11764 if (pkg.parentPackage != null) { 11765 final PackageSetting disabledSysParentPs = mSettings 11766 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 11767 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 11768 && disabledSysParentPs.isPrivileged()) { 11769 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 11770 allowed = true; 11771 } else if (disabledSysParentPs.pkg.childPackages != null) { 11772 final int count = disabledSysParentPs.pkg.childPackages.size(); 11773 for (int i = 0; i < count; i++) { 11774 PackageParser.Package disabledSysChildPkg = 11775 disabledSysParentPs.pkg.childPackages.get(i); 11776 if (isPackageRequestingPermission(disabledSysChildPkg, 11777 perm)) { 11778 allowed = true; 11779 break; 11780 } 11781 } 11782 } 11783 } 11784 } 11785 } 11786 } else { 11787 allowed = isPrivilegedApp(pkg); 11788 } 11789 } 11790 } 11791 if (!allowed) { 11792 if (!allowed && (bp.protectionLevel 11793 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 11794 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 11795 // If this was a previously normal/dangerous permission that got moved 11796 // to a system permission as part of the runtime permission redesign, then 11797 // we still want to blindly grant it to old apps. 11798 allowed = true; 11799 } 11800 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 11801 && pkg.packageName.equals(mRequiredInstallerPackage)) { 11802 // If this permission is to be granted to the system installer and 11803 // this app is an installer, then it gets the permission. 11804 allowed = true; 11805 } 11806 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 11807 && pkg.packageName.equals(mRequiredVerifierPackage)) { 11808 // If this permission is to be granted to the system verifier and 11809 // this app is a verifier, then it gets the permission. 11810 allowed = true; 11811 } 11812 if (!allowed && (bp.protectionLevel 11813 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 11814 && isSystemApp(pkg)) { 11815 // Any pre-installed system app is allowed to get this permission. 11816 allowed = true; 11817 } 11818 if (!allowed && (bp.protectionLevel 11819 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 11820 // For development permissions, a development permission 11821 // is granted only if it was already granted. 11822 allowed = origPermissions.hasInstallPermission(perm); 11823 } 11824 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 11825 && pkg.packageName.equals(mSetupWizardPackage)) { 11826 // If this permission is to be granted to the system setup wizard and 11827 // this app is a setup wizard, then it gets the permission. 11828 allowed = true; 11829 } 11830 } 11831 return allowed; 11832 } 11833 11834 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 11835 final int permCount = pkg.requestedPermissions.size(); 11836 for (int j = 0; j < permCount; j++) { 11837 String requestedPermission = pkg.requestedPermissions.get(j); 11838 if (permission.equals(requestedPermission)) { 11839 return true; 11840 } 11841 } 11842 return false; 11843 } 11844 11845 final class ActivityIntentResolver 11846 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 11847 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11848 boolean defaultOnly, int userId) { 11849 if (!sUserManager.exists(userId)) return null; 11850 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0); 11851 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11852 } 11853 11854 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11855 int userId) { 11856 if (!sUserManager.exists(userId)) return null; 11857 mFlags = flags; 11858 return super.queryIntent(intent, resolvedType, 11859 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11860 userId); 11861 } 11862 11863 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11864 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 11865 if (!sUserManager.exists(userId)) return null; 11866 if (packageActivities == null) { 11867 return null; 11868 } 11869 mFlags = flags; 11870 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11871 final int N = packageActivities.size(); 11872 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 11873 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 11874 11875 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 11876 for (int i = 0; i < N; ++i) { 11877 intentFilters = packageActivities.get(i).intents; 11878 if (intentFilters != null && intentFilters.size() > 0) { 11879 PackageParser.ActivityIntentInfo[] array = 11880 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 11881 intentFilters.toArray(array); 11882 listCut.add(array); 11883 } 11884 } 11885 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11886 } 11887 11888 /** 11889 * Finds a privileged activity that matches the specified activity names. 11890 */ 11891 private PackageParser.Activity findMatchingActivity( 11892 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 11893 for (PackageParser.Activity sysActivity : activityList) { 11894 if (sysActivity.info.name.equals(activityInfo.name)) { 11895 return sysActivity; 11896 } 11897 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 11898 return sysActivity; 11899 } 11900 if (sysActivity.info.targetActivity != null) { 11901 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 11902 return sysActivity; 11903 } 11904 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 11905 return sysActivity; 11906 } 11907 } 11908 } 11909 return null; 11910 } 11911 11912 public class IterGenerator<E> { 11913 public Iterator<E> generate(ActivityIntentInfo info) { 11914 return null; 11915 } 11916 } 11917 11918 public class ActionIterGenerator extends IterGenerator<String> { 11919 @Override 11920 public Iterator<String> generate(ActivityIntentInfo info) { 11921 return info.actionsIterator(); 11922 } 11923 } 11924 11925 public class CategoriesIterGenerator extends IterGenerator<String> { 11926 @Override 11927 public Iterator<String> generate(ActivityIntentInfo info) { 11928 return info.categoriesIterator(); 11929 } 11930 } 11931 11932 public class SchemesIterGenerator extends IterGenerator<String> { 11933 @Override 11934 public Iterator<String> generate(ActivityIntentInfo info) { 11935 return info.schemesIterator(); 11936 } 11937 } 11938 11939 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 11940 @Override 11941 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 11942 return info.authoritiesIterator(); 11943 } 11944 } 11945 11946 /** 11947 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 11948 * MODIFIED. Do not pass in a list that should not be changed. 11949 */ 11950 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 11951 IterGenerator<T> generator, Iterator<T> searchIterator) { 11952 // loop through the set of actions; every one must be found in the intent filter 11953 while (searchIterator.hasNext()) { 11954 // we must have at least one filter in the list to consider a match 11955 if (intentList.size() == 0) { 11956 break; 11957 } 11958 11959 final T searchAction = searchIterator.next(); 11960 11961 // loop through the set of intent filters 11962 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 11963 while (intentIter.hasNext()) { 11964 final ActivityIntentInfo intentInfo = intentIter.next(); 11965 boolean selectionFound = false; 11966 11967 // loop through the intent filter's selection criteria; at least one 11968 // of them must match the searched criteria 11969 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 11970 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 11971 final T intentSelection = intentSelectionIter.next(); 11972 if (intentSelection != null && intentSelection.equals(searchAction)) { 11973 selectionFound = true; 11974 break; 11975 } 11976 } 11977 11978 // the selection criteria wasn't found in this filter's set; this filter 11979 // is not a potential match 11980 if (!selectionFound) { 11981 intentIter.remove(); 11982 } 11983 } 11984 } 11985 } 11986 11987 private boolean isProtectedAction(ActivityIntentInfo filter) { 11988 final Iterator<String> actionsIter = filter.actionsIterator(); 11989 while (actionsIter != null && actionsIter.hasNext()) { 11990 final String filterAction = actionsIter.next(); 11991 if (PROTECTED_ACTIONS.contains(filterAction)) { 11992 return true; 11993 } 11994 } 11995 return false; 11996 } 11997 11998 /** 11999 * Adjusts the priority of the given intent filter according to policy. 12000 * <p> 12001 * <ul> 12002 * <li>The priority for non privileged applications is capped to '0'</li> 12003 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 12004 * <li>The priority for unbundled updates to privileged applications is capped to the 12005 * priority defined on the system partition</li> 12006 * </ul> 12007 * <p> 12008 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 12009 * allowed to obtain any priority on any action. 12010 */ 12011 private void adjustPriority( 12012 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 12013 // nothing to do; priority is fine as-is 12014 if (intent.getPriority() <= 0) { 12015 return; 12016 } 12017 12018 final ActivityInfo activityInfo = intent.activity.info; 12019 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 12020 12021 final boolean privilegedApp = 12022 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 12023 if (!privilegedApp) { 12024 // non-privileged applications can never define a priority >0 12025 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 12026 + " package: " + applicationInfo.packageName 12027 + " activity: " + intent.activity.className 12028 + " origPrio: " + intent.getPriority()); 12029 intent.setPriority(0); 12030 return; 12031 } 12032 12033 if (systemActivities == null) { 12034 // the system package is not disabled; we're parsing the system partition 12035 if (isProtectedAction(intent)) { 12036 if (mDeferProtectedFilters) { 12037 // We can't deal with these just yet. No component should ever obtain a 12038 // >0 priority for a protected actions, with ONE exception -- the setup 12039 // wizard. The setup wizard, however, cannot be known until we're able to 12040 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 12041 // until all intent filters have been processed. Chicken, meet egg. 12042 // Let the filter temporarily have a high priority and rectify the 12043 // priorities after all system packages have been scanned. 12044 mProtectedFilters.add(intent); 12045 if (DEBUG_FILTERS) { 12046 Slog.i(TAG, "Protected action; save for later;" 12047 + " package: " + applicationInfo.packageName 12048 + " activity: " + intent.activity.className 12049 + " origPrio: " + intent.getPriority()); 12050 } 12051 return; 12052 } else { 12053 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 12054 Slog.i(TAG, "No setup wizard;" 12055 + " All protected intents capped to priority 0"); 12056 } 12057 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 12058 if (DEBUG_FILTERS) { 12059 Slog.i(TAG, "Found setup wizard;" 12060 + " allow priority " + intent.getPriority() + ";" 12061 + " package: " + intent.activity.info.packageName 12062 + " activity: " + intent.activity.className 12063 + " priority: " + intent.getPriority()); 12064 } 12065 // setup wizard gets whatever it wants 12066 return; 12067 } 12068 Slog.w(TAG, "Protected action; cap priority to 0;" 12069 + " package: " + intent.activity.info.packageName 12070 + " activity: " + intent.activity.className 12071 + " origPrio: " + intent.getPriority()); 12072 intent.setPriority(0); 12073 return; 12074 } 12075 } 12076 // privileged apps on the system image get whatever priority they request 12077 return; 12078 } 12079 12080 // privileged app unbundled update ... try to find the same activity 12081 final PackageParser.Activity foundActivity = 12082 findMatchingActivity(systemActivities, activityInfo); 12083 if (foundActivity == null) { 12084 // this is a new activity; it cannot obtain >0 priority 12085 if (DEBUG_FILTERS) { 12086 Slog.i(TAG, "New activity; cap priority to 0;" 12087 + " package: " + applicationInfo.packageName 12088 + " activity: " + intent.activity.className 12089 + " origPrio: " + intent.getPriority()); 12090 } 12091 intent.setPriority(0); 12092 return; 12093 } 12094 12095 // found activity, now check for filter equivalence 12096 12097 // a shallow copy is enough; we modify the list, not its contents 12098 final List<ActivityIntentInfo> intentListCopy = 12099 new ArrayList<>(foundActivity.intents); 12100 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 12101 12102 // find matching action subsets 12103 final Iterator<String> actionsIterator = intent.actionsIterator(); 12104 if (actionsIterator != null) { 12105 getIntentListSubset( 12106 intentListCopy, new ActionIterGenerator(), actionsIterator); 12107 if (intentListCopy.size() == 0) { 12108 // no more intents to match; we're not equivalent 12109 if (DEBUG_FILTERS) { 12110 Slog.i(TAG, "Mismatched action; cap priority to 0;" 12111 + " package: " + applicationInfo.packageName 12112 + " activity: " + intent.activity.className 12113 + " origPrio: " + intent.getPriority()); 12114 } 12115 intent.setPriority(0); 12116 return; 12117 } 12118 } 12119 12120 // find matching category subsets 12121 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 12122 if (categoriesIterator != null) { 12123 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 12124 categoriesIterator); 12125 if (intentListCopy.size() == 0) { 12126 // no more intents to match; we're not equivalent 12127 if (DEBUG_FILTERS) { 12128 Slog.i(TAG, "Mismatched category; cap priority to 0;" 12129 + " package: " + applicationInfo.packageName 12130 + " activity: " + intent.activity.className 12131 + " origPrio: " + intent.getPriority()); 12132 } 12133 intent.setPriority(0); 12134 return; 12135 } 12136 } 12137 12138 // find matching schemes subsets 12139 final Iterator<String> schemesIterator = intent.schemesIterator(); 12140 if (schemesIterator != null) { 12141 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 12142 schemesIterator); 12143 if (intentListCopy.size() == 0) { 12144 // no more intents to match; we're not equivalent 12145 if (DEBUG_FILTERS) { 12146 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 12147 + " package: " + applicationInfo.packageName 12148 + " activity: " + intent.activity.className 12149 + " origPrio: " + intent.getPriority()); 12150 } 12151 intent.setPriority(0); 12152 return; 12153 } 12154 } 12155 12156 // find matching authorities subsets 12157 final Iterator<IntentFilter.AuthorityEntry> 12158 authoritiesIterator = intent.authoritiesIterator(); 12159 if (authoritiesIterator != null) { 12160 getIntentListSubset(intentListCopy, 12161 new AuthoritiesIterGenerator(), 12162 authoritiesIterator); 12163 if (intentListCopy.size() == 0) { 12164 // no more intents to match; we're not equivalent 12165 if (DEBUG_FILTERS) { 12166 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 12167 + " package: " + applicationInfo.packageName 12168 + " activity: " + intent.activity.className 12169 + " origPrio: " + intent.getPriority()); 12170 } 12171 intent.setPriority(0); 12172 return; 12173 } 12174 } 12175 12176 // we found matching filter(s); app gets the max priority of all intents 12177 int cappedPriority = 0; 12178 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 12179 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 12180 } 12181 if (intent.getPriority() > cappedPriority) { 12182 if (DEBUG_FILTERS) { 12183 Slog.i(TAG, "Found matching filter(s);" 12184 + " cap priority to " + cappedPriority + ";" 12185 + " package: " + applicationInfo.packageName 12186 + " activity: " + intent.activity.className 12187 + " origPrio: " + intent.getPriority()); 12188 } 12189 intent.setPriority(cappedPriority); 12190 return; 12191 } 12192 // all this for nothing; the requested priority was <= what was on the system 12193 } 12194 12195 public final void addActivity(PackageParser.Activity a, String type) { 12196 mActivities.put(a.getComponentName(), a); 12197 if (DEBUG_SHOW_INFO) 12198 Log.v( 12199 TAG, " " + type + " " + 12200 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 12201 if (DEBUG_SHOW_INFO) 12202 Log.v(TAG, " Class=" + a.info.name); 12203 final int NI = a.intents.size(); 12204 for (int j=0; j<NI; j++) { 12205 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12206 if ("activity".equals(type)) { 12207 final PackageSetting ps = 12208 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 12209 final List<PackageParser.Activity> systemActivities = 12210 ps != null && ps.pkg != null ? ps.pkg.activities : null; 12211 adjustPriority(systemActivities, intent); 12212 } 12213 if (DEBUG_SHOW_INFO) { 12214 Log.v(TAG, " IntentFilter:"); 12215 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12216 } 12217 if (!intent.debugCheck()) { 12218 Log.w(TAG, "==> For Activity " + a.info.name); 12219 } 12220 addFilter(intent); 12221 } 12222 } 12223 12224 public final void removeActivity(PackageParser.Activity a, String type) { 12225 mActivities.remove(a.getComponentName()); 12226 if (DEBUG_SHOW_INFO) { 12227 Log.v(TAG, " " + type + " " 12228 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 12229 : a.info.name) + ":"); 12230 Log.v(TAG, " Class=" + a.info.name); 12231 } 12232 final int NI = a.intents.size(); 12233 for (int j=0; j<NI; j++) { 12234 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12235 if (DEBUG_SHOW_INFO) { 12236 Log.v(TAG, " IntentFilter:"); 12237 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12238 } 12239 removeFilter(intent); 12240 } 12241 } 12242 12243 @Override 12244 protected boolean allowFilterResult( 12245 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 12246 ActivityInfo filterAi = filter.activity.info; 12247 for (int i=dest.size()-1; i>=0; i--) { 12248 ActivityInfo destAi = dest.get(i).activityInfo; 12249 if (destAi.name == filterAi.name 12250 && destAi.packageName == filterAi.packageName) { 12251 return false; 12252 } 12253 } 12254 return true; 12255 } 12256 12257 @Override 12258 protected ActivityIntentInfo[] newArray(int size) { 12259 return new ActivityIntentInfo[size]; 12260 } 12261 12262 @Override 12263 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 12264 if (!sUserManager.exists(userId)) return true; 12265 PackageParser.Package p = filter.activity.owner; 12266 if (p != null) { 12267 PackageSetting ps = (PackageSetting)p.mExtras; 12268 if (ps != null) { 12269 // System apps are never considered stopped for purposes of 12270 // filtering, because there may be no way for the user to 12271 // actually re-launch them. 12272 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 12273 && ps.getStopped(userId); 12274 } 12275 } 12276 return false; 12277 } 12278 12279 @Override 12280 protected boolean isPackageForFilter(String packageName, 12281 PackageParser.ActivityIntentInfo info) { 12282 return packageName.equals(info.activity.owner.packageName); 12283 } 12284 12285 @Override 12286 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 12287 int match, int userId) { 12288 if (!sUserManager.exists(userId)) return null; 12289 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 12290 return null; 12291 } 12292 final PackageParser.Activity activity = info.activity; 12293 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 12294 if (ps == null) { 12295 return null; 12296 } 12297 final PackageUserState userState = ps.readUserState(userId); 12298 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 12299 userState, userId); 12300 if (ai == null) { 12301 return null; 12302 } 12303 final boolean matchVisibleToInstantApp = 12304 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12305 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12306 // throw out filters that aren't visible to ephemeral apps 12307 if (matchVisibleToInstantApp 12308 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 12309 return null; 12310 } 12311 // throw out ephemeral filters if we're not explicitly requesting them 12312 if (!isInstantApp && userState.instantApp) { 12313 return null; 12314 } 12315 final ResolveInfo res = new ResolveInfo(); 12316 res.activityInfo = ai; 12317 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12318 res.filter = info; 12319 } 12320 if (info != null) { 12321 res.handleAllWebDataURI = info.handleAllWebDataURI(); 12322 } 12323 res.priority = info.getPriority(); 12324 res.preferredOrder = activity.owner.mPreferredOrder; 12325 //System.out.println("Result: " + res.activityInfo.className + 12326 // " = " + res.priority); 12327 res.match = match; 12328 res.isDefault = info.hasDefault; 12329 res.labelRes = info.labelRes; 12330 res.nonLocalizedLabel = info.nonLocalizedLabel; 12331 if (userNeedsBadging(userId)) { 12332 res.noResourceId = true; 12333 } else { 12334 res.icon = info.icon; 12335 } 12336 res.iconResourceId = info.icon; 12337 res.system = res.activityInfo.applicationInfo.isSystemApp(); 12338 res.instantAppAvailable = userState.instantApp; 12339 return res; 12340 } 12341 12342 @Override 12343 protected void sortResults(List<ResolveInfo> results) { 12344 Collections.sort(results, mResolvePrioritySorter); 12345 } 12346 12347 @Override 12348 protected void dumpFilter(PrintWriter out, String prefix, 12349 PackageParser.ActivityIntentInfo filter) { 12350 out.print(prefix); out.print( 12351 Integer.toHexString(System.identityHashCode(filter.activity))); 12352 out.print(' '); 12353 filter.activity.printComponentShortName(out); 12354 out.print(" filter "); 12355 out.println(Integer.toHexString(System.identityHashCode(filter))); 12356 } 12357 12358 @Override 12359 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 12360 return filter.activity; 12361 } 12362 12363 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12364 PackageParser.Activity activity = (PackageParser.Activity)label; 12365 out.print(prefix); out.print( 12366 Integer.toHexString(System.identityHashCode(activity))); 12367 out.print(' '); 12368 activity.printComponentShortName(out); 12369 if (count > 1) { 12370 out.print(" ("); out.print(count); out.print(" filters)"); 12371 } 12372 out.println(); 12373 } 12374 12375 // Keys are String (activity class name), values are Activity. 12376 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 12377 = new ArrayMap<ComponentName, PackageParser.Activity>(); 12378 private int mFlags; 12379 } 12380 12381 private final class ServiceIntentResolver 12382 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 12383 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12384 boolean defaultOnly, int userId) { 12385 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12386 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12387 } 12388 12389 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12390 int userId) { 12391 if (!sUserManager.exists(userId)) return null; 12392 mFlags = flags; 12393 return super.queryIntent(intent, resolvedType, 12394 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12395 userId); 12396 } 12397 12398 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12399 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 12400 if (!sUserManager.exists(userId)) return null; 12401 if (packageServices == null) { 12402 return null; 12403 } 12404 mFlags = flags; 12405 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 12406 final int N = packageServices.size(); 12407 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 12408 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 12409 12410 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 12411 for (int i = 0; i < N; ++i) { 12412 intentFilters = packageServices.get(i).intents; 12413 if (intentFilters != null && intentFilters.size() > 0) { 12414 PackageParser.ServiceIntentInfo[] array = 12415 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 12416 intentFilters.toArray(array); 12417 listCut.add(array); 12418 } 12419 } 12420 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12421 } 12422 12423 public final void addService(PackageParser.Service s) { 12424 mServices.put(s.getComponentName(), s); 12425 if (DEBUG_SHOW_INFO) { 12426 Log.v(TAG, " " 12427 + (s.info.nonLocalizedLabel != null 12428 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12429 Log.v(TAG, " Class=" + s.info.name); 12430 } 12431 final int NI = s.intents.size(); 12432 int j; 12433 for (j=0; j<NI; j++) { 12434 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12435 if (DEBUG_SHOW_INFO) { 12436 Log.v(TAG, " IntentFilter:"); 12437 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12438 } 12439 if (!intent.debugCheck()) { 12440 Log.w(TAG, "==> For Service " + s.info.name); 12441 } 12442 addFilter(intent); 12443 } 12444 } 12445 12446 public final void removeService(PackageParser.Service s) { 12447 mServices.remove(s.getComponentName()); 12448 if (DEBUG_SHOW_INFO) { 12449 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 12450 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12451 Log.v(TAG, " Class=" + s.info.name); 12452 } 12453 final int NI = s.intents.size(); 12454 int j; 12455 for (j=0; j<NI; j++) { 12456 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12457 if (DEBUG_SHOW_INFO) { 12458 Log.v(TAG, " IntentFilter:"); 12459 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12460 } 12461 removeFilter(intent); 12462 } 12463 } 12464 12465 @Override 12466 protected boolean allowFilterResult( 12467 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 12468 ServiceInfo filterSi = filter.service.info; 12469 for (int i=dest.size()-1; i>=0; i--) { 12470 ServiceInfo destAi = dest.get(i).serviceInfo; 12471 if (destAi.name == filterSi.name 12472 && destAi.packageName == filterSi.packageName) { 12473 return false; 12474 } 12475 } 12476 return true; 12477 } 12478 12479 @Override 12480 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 12481 return new PackageParser.ServiceIntentInfo[size]; 12482 } 12483 12484 @Override 12485 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 12486 if (!sUserManager.exists(userId)) return true; 12487 PackageParser.Package p = filter.service.owner; 12488 if (p != null) { 12489 PackageSetting ps = (PackageSetting)p.mExtras; 12490 if (ps != null) { 12491 // System apps are never considered stopped for purposes of 12492 // filtering, because there may be no way for the user to 12493 // actually re-launch them. 12494 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12495 && ps.getStopped(userId); 12496 } 12497 } 12498 return false; 12499 } 12500 12501 @Override 12502 protected boolean isPackageForFilter(String packageName, 12503 PackageParser.ServiceIntentInfo info) { 12504 return packageName.equals(info.service.owner.packageName); 12505 } 12506 12507 @Override 12508 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 12509 int match, int userId) { 12510 if (!sUserManager.exists(userId)) return null; 12511 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 12512 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 12513 return null; 12514 } 12515 final PackageParser.Service service = info.service; 12516 PackageSetting ps = (PackageSetting) service.owner.mExtras; 12517 if (ps == null) { 12518 return null; 12519 } 12520 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 12521 ps.readUserState(userId), userId); 12522 if (si == null) { 12523 return null; 12524 } 12525 final ResolveInfo res = new ResolveInfo(); 12526 res.serviceInfo = si; 12527 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12528 res.filter = filter; 12529 } 12530 res.priority = info.getPriority(); 12531 res.preferredOrder = service.owner.mPreferredOrder; 12532 res.match = match; 12533 res.isDefault = info.hasDefault; 12534 res.labelRes = info.labelRes; 12535 res.nonLocalizedLabel = info.nonLocalizedLabel; 12536 res.icon = info.icon; 12537 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 12538 return res; 12539 } 12540 12541 @Override 12542 protected void sortResults(List<ResolveInfo> results) { 12543 Collections.sort(results, mResolvePrioritySorter); 12544 } 12545 12546 @Override 12547 protected void dumpFilter(PrintWriter out, String prefix, 12548 PackageParser.ServiceIntentInfo filter) { 12549 out.print(prefix); out.print( 12550 Integer.toHexString(System.identityHashCode(filter.service))); 12551 out.print(' '); 12552 filter.service.printComponentShortName(out); 12553 out.print(" filter "); 12554 out.println(Integer.toHexString(System.identityHashCode(filter))); 12555 } 12556 12557 @Override 12558 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 12559 return filter.service; 12560 } 12561 12562 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12563 PackageParser.Service service = (PackageParser.Service)label; 12564 out.print(prefix); out.print( 12565 Integer.toHexString(System.identityHashCode(service))); 12566 out.print(' '); 12567 service.printComponentShortName(out); 12568 if (count > 1) { 12569 out.print(" ("); out.print(count); out.print(" filters)"); 12570 } 12571 out.println(); 12572 } 12573 12574// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 12575// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 12576// final List<ResolveInfo> retList = Lists.newArrayList(); 12577// while (i.hasNext()) { 12578// final ResolveInfo resolveInfo = (ResolveInfo) i; 12579// if (isEnabledLP(resolveInfo.serviceInfo)) { 12580// retList.add(resolveInfo); 12581// } 12582// } 12583// return retList; 12584// } 12585 12586 // Keys are String (activity class name), values are Activity. 12587 private final ArrayMap<ComponentName, PackageParser.Service> mServices 12588 = new ArrayMap<ComponentName, PackageParser.Service>(); 12589 private int mFlags; 12590 } 12591 12592 private final class ProviderIntentResolver 12593 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 12594 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12595 boolean defaultOnly, int userId) { 12596 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12597 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12598 } 12599 12600 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12601 int userId) { 12602 if (!sUserManager.exists(userId)) 12603 return null; 12604 mFlags = flags; 12605 return super.queryIntent(intent, resolvedType, 12606 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12607 userId); 12608 } 12609 12610 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12611 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 12612 if (!sUserManager.exists(userId)) 12613 return null; 12614 if (packageProviders == null) { 12615 return null; 12616 } 12617 mFlags = flags; 12618 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12619 final int N = packageProviders.size(); 12620 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 12621 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 12622 12623 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 12624 for (int i = 0; i < N; ++i) { 12625 intentFilters = packageProviders.get(i).intents; 12626 if (intentFilters != null && intentFilters.size() > 0) { 12627 PackageParser.ProviderIntentInfo[] array = 12628 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 12629 intentFilters.toArray(array); 12630 listCut.add(array); 12631 } 12632 } 12633 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12634 } 12635 12636 public final void addProvider(PackageParser.Provider p) { 12637 if (mProviders.containsKey(p.getComponentName())) { 12638 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 12639 return; 12640 } 12641 12642 mProviders.put(p.getComponentName(), p); 12643 if (DEBUG_SHOW_INFO) { 12644 Log.v(TAG, " " 12645 + (p.info.nonLocalizedLabel != null 12646 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12647 Log.v(TAG, " Class=" + p.info.name); 12648 } 12649 final int NI = p.intents.size(); 12650 int j; 12651 for (j = 0; j < NI; j++) { 12652 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12653 if (DEBUG_SHOW_INFO) { 12654 Log.v(TAG, " IntentFilter:"); 12655 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12656 } 12657 if (!intent.debugCheck()) { 12658 Log.w(TAG, "==> For Provider " + p.info.name); 12659 } 12660 addFilter(intent); 12661 } 12662 } 12663 12664 public final void removeProvider(PackageParser.Provider p) { 12665 mProviders.remove(p.getComponentName()); 12666 if (DEBUG_SHOW_INFO) { 12667 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 12668 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12669 Log.v(TAG, " Class=" + p.info.name); 12670 } 12671 final int NI = p.intents.size(); 12672 int j; 12673 for (j = 0; j < NI; j++) { 12674 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12675 if (DEBUG_SHOW_INFO) { 12676 Log.v(TAG, " IntentFilter:"); 12677 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12678 } 12679 removeFilter(intent); 12680 } 12681 } 12682 12683 @Override 12684 protected boolean allowFilterResult( 12685 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 12686 ProviderInfo filterPi = filter.provider.info; 12687 for (int i = dest.size() - 1; i >= 0; i--) { 12688 ProviderInfo destPi = dest.get(i).providerInfo; 12689 if (destPi.name == filterPi.name 12690 && destPi.packageName == filterPi.packageName) { 12691 return false; 12692 } 12693 } 12694 return true; 12695 } 12696 12697 @Override 12698 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 12699 return new PackageParser.ProviderIntentInfo[size]; 12700 } 12701 12702 @Override 12703 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 12704 if (!sUserManager.exists(userId)) 12705 return true; 12706 PackageParser.Package p = filter.provider.owner; 12707 if (p != null) { 12708 PackageSetting ps = (PackageSetting) p.mExtras; 12709 if (ps != null) { 12710 // System apps are never considered stopped for purposes of 12711 // filtering, because there may be no way for the user to 12712 // actually re-launch them. 12713 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12714 && ps.getStopped(userId); 12715 } 12716 } 12717 return false; 12718 } 12719 12720 @Override 12721 protected boolean isPackageForFilter(String packageName, 12722 PackageParser.ProviderIntentInfo info) { 12723 return packageName.equals(info.provider.owner.packageName); 12724 } 12725 12726 @Override 12727 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 12728 int match, int userId) { 12729 if (!sUserManager.exists(userId)) 12730 return null; 12731 final PackageParser.ProviderIntentInfo info = filter; 12732 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 12733 return null; 12734 } 12735 final PackageParser.Provider provider = info.provider; 12736 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 12737 if (ps == null) { 12738 return null; 12739 } 12740 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 12741 ps.readUserState(userId), userId); 12742 if (pi == null) { 12743 return null; 12744 } 12745 final ResolveInfo res = new ResolveInfo(); 12746 res.providerInfo = pi; 12747 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 12748 res.filter = filter; 12749 } 12750 res.priority = info.getPriority(); 12751 res.preferredOrder = provider.owner.mPreferredOrder; 12752 res.match = match; 12753 res.isDefault = info.hasDefault; 12754 res.labelRes = info.labelRes; 12755 res.nonLocalizedLabel = info.nonLocalizedLabel; 12756 res.icon = info.icon; 12757 res.system = res.providerInfo.applicationInfo.isSystemApp(); 12758 return res; 12759 } 12760 12761 @Override 12762 protected void sortResults(List<ResolveInfo> results) { 12763 Collections.sort(results, mResolvePrioritySorter); 12764 } 12765 12766 @Override 12767 protected void dumpFilter(PrintWriter out, String prefix, 12768 PackageParser.ProviderIntentInfo filter) { 12769 out.print(prefix); 12770 out.print( 12771 Integer.toHexString(System.identityHashCode(filter.provider))); 12772 out.print(' '); 12773 filter.provider.printComponentShortName(out); 12774 out.print(" filter "); 12775 out.println(Integer.toHexString(System.identityHashCode(filter))); 12776 } 12777 12778 @Override 12779 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 12780 return filter.provider; 12781 } 12782 12783 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12784 PackageParser.Provider provider = (PackageParser.Provider)label; 12785 out.print(prefix); out.print( 12786 Integer.toHexString(System.identityHashCode(provider))); 12787 out.print(' '); 12788 provider.printComponentShortName(out); 12789 if (count > 1) { 12790 out.print(" ("); out.print(count); out.print(" filters)"); 12791 } 12792 out.println(); 12793 } 12794 12795 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 12796 = new ArrayMap<ComponentName, PackageParser.Provider>(); 12797 private int mFlags; 12798 } 12799 12800 static final class EphemeralIntentResolver 12801 extends IntentResolver<AuxiliaryResolveInfo, AuxiliaryResolveInfo> { 12802 /** 12803 * The result that has the highest defined order. Ordering applies on a 12804 * per-package basis. Mapping is from package name to Pair of order and 12805 * EphemeralResolveInfo. 12806 * <p> 12807 * NOTE: This is implemented as a field variable for convenience and efficiency. 12808 * By having a field variable, we're able to track filter ordering as soon as 12809 * a non-zero order is defined. Otherwise, multiple loops across the result set 12810 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 12811 * this needs to be contained entirely within {@link #filterResults()}. 12812 */ 12813 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 12814 12815 @Override 12816 protected AuxiliaryResolveInfo[] newArray(int size) { 12817 return new AuxiliaryResolveInfo[size]; 12818 } 12819 12820 @Override 12821 protected boolean isPackageForFilter(String packageName, AuxiliaryResolveInfo responseObj) { 12822 return true; 12823 } 12824 12825 @Override 12826 protected AuxiliaryResolveInfo newResult(AuxiliaryResolveInfo responseObj, int match, 12827 int userId) { 12828 if (!sUserManager.exists(userId)) { 12829 return null; 12830 } 12831 final String packageName = responseObj.resolveInfo.getPackageName(); 12832 final Integer order = responseObj.getOrder(); 12833 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 12834 mOrderResult.get(packageName); 12835 // ordering is enabled and this item's order isn't high enough 12836 if (lastOrderResult != null && lastOrderResult.first >= order) { 12837 return null; 12838 } 12839 final EphemeralResolveInfo res = responseObj.resolveInfo; 12840 if (order > 0) { 12841 // non-zero order, enable ordering 12842 mOrderResult.put(packageName, new Pair<>(order, res)); 12843 } 12844 return responseObj; 12845 } 12846 12847 @Override 12848 protected void filterResults(List<AuxiliaryResolveInfo> results) { 12849 // only do work if ordering is enabled [most of the time it won't be] 12850 if (mOrderResult.size() == 0) { 12851 return; 12852 } 12853 int resultSize = results.size(); 12854 for (int i = 0; i < resultSize; i++) { 12855 final EphemeralResolveInfo info = results.get(i).resolveInfo; 12856 final String packageName = info.getPackageName(); 12857 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 12858 if (savedInfo == null) { 12859 // package doesn't having ordering 12860 continue; 12861 } 12862 if (savedInfo.second == info) { 12863 // circled back to the highest ordered item; remove from order list 12864 mOrderResult.remove(savedInfo); 12865 if (mOrderResult.size() == 0) { 12866 // no more ordered items 12867 break; 12868 } 12869 continue; 12870 } 12871 // item has a worse order, remove it from the result list 12872 results.remove(i); 12873 resultSize--; 12874 i--; 12875 } 12876 } 12877 } 12878 12879 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 12880 new Comparator<ResolveInfo>() { 12881 public int compare(ResolveInfo r1, ResolveInfo r2) { 12882 int v1 = r1.priority; 12883 int v2 = r2.priority; 12884 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 12885 if (v1 != v2) { 12886 return (v1 > v2) ? -1 : 1; 12887 } 12888 v1 = r1.preferredOrder; 12889 v2 = r2.preferredOrder; 12890 if (v1 != v2) { 12891 return (v1 > v2) ? -1 : 1; 12892 } 12893 if (r1.isDefault != r2.isDefault) { 12894 return r1.isDefault ? -1 : 1; 12895 } 12896 v1 = r1.match; 12897 v2 = r2.match; 12898 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 12899 if (v1 != v2) { 12900 return (v1 > v2) ? -1 : 1; 12901 } 12902 if (r1.system != r2.system) { 12903 return r1.system ? -1 : 1; 12904 } 12905 if (r1.activityInfo != null) { 12906 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 12907 } 12908 if (r1.serviceInfo != null) { 12909 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 12910 } 12911 if (r1.providerInfo != null) { 12912 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 12913 } 12914 return 0; 12915 } 12916 }; 12917 12918 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 12919 new Comparator<ProviderInfo>() { 12920 public int compare(ProviderInfo p1, ProviderInfo p2) { 12921 final int v1 = p1.initOrder; 12922 final int v2 = p2.initOrder; 12923 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 12924 } 12925 }; 12926 12927 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 12928 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 12929 final int[] userIds) { 12930 mHandler.post(new Runnable() { 12931 @Override 12932 public void run() { 12933 try { 12934 final IActivityManager am = ActivityManager.getService(); 12935 if (am == null) return; 12936 final int[] resolvedUserIds; 12937 if (userIds == null) { 12938 resolvedUserIds = am.getRunningUserIds(); 12939 } else { 12940 resolvedUserIds = userIds; 12941 } 12942 for (int id : resolvedUserIds) { 12943 final Intent intent = new Intent(action, 12944 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 12945 if (extras != null) { 12946 intent.putExtras(extras); 12947 } 12948 if (targetPkg != null) { 12949 intent.setPackage(targetPkg); 12950 } 12951 // Modify the UID when posting to other users 12952 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 12953 if (uid > 0 && UserHandle.getUserId(uid) != id) { 12954 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 12955 intent.putExtra(Intent.EXTRA_UID, uid); 12956 } 12957 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 12958 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 12959 if (DEBUG_BROADCASTS) { 12960 RuntimeException here = new RuntimeException("here"); 12961 here.fillInStackTrace(); 12962 Slog.d(TAG, "Sending to user " + id + ": " 12963 + intent.toShortString(false, true, false, false) 12964 + " " + intent.getExtras(), here); 12965 } 12966 am.broadcastIntent(null, intent, null, finishedReceiver, 12967 0, null, null, null, android.app.AppOpsManager.OP_NONE, 12968 null, finishedReceiver != null, false, id); 12969 } 12970 } catch (RemoteException ex) { 12971 } 12972 } 12973 }); 12974 } 12975 12976 /** 12977 * Check if the external storage media is available. This is true if there 12978 * is a mounted external storage medium or if the external storage is 12979 * emulated. 12980 */ 12981 private boolean isExternalMediaAvailable() { 12982 return mMediaMounted || Environment.isExternalStorageEmulated(); 12983 } 12984 12985 @Override 12986 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 12987 // writer 12988 synchronized (mPackages) { 12989 if (!isExternalMediaAvailable()) { 12990 // If the external storage is no longer mounted at this point, 12991 // the caller may not have been able to delete all of this 12992 // packages files and can not delete any more. Bail. 12993 return null; 12994 } 12995 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 12996 if (lastPackage != null) { 12997 pkgs.remove(lastPackage); 12998 } 12999 if (pkgs.size() > 0) { 13000 return pkgs.get(0); 13001 } 13002 } 13003 return null; 13004 } 13005 13006 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 13007 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 13008 userId, andCode ? 1 : 0, packageName); 13009 if (mSystemReady) { 13010 msg.sendToTarget(); 13011 } else { 13012 if (mPostSystemReadyMessages == null) { 13013 mPostSystemReadyMessages = new ArrayList<>(); 13014 } 13015 mPostSystemReadyMessages.add(msg); 13016 } 13017 } 13018 13019 void startCleaningPackages() { 13020 // reader 13021 if (!isExternalMediaAvailable()) { 13022 return; 13023 } 13024 synchronized (mPackages) { 13025 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 13026 return; 13027 } 13028 } 13029 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 13030 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 13031 IActivityManager am = ActivityManager.getService(); 13032 if (am != null) { 13033 try { 13034 am.startService(null, intent, null, -1, null, mContext.getOpPackageName(), 13035 UserHandle.USER_SYSTEM); 13036 } catch (RemoteException e) { 13037 } 13038 } 13039 } 13040 13041 @Override 13042 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 13043 int installFlags, String installerPackageName, int userId) { 13044 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 13045 13046 final int callingUid = Binder.getCallingUid(); 13047 enforceCrossUserPermission(callingUid, userId, 13048 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 13049 13050 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13051 try { 13052 if (observer != null) { 13053 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 13054 } 13055 } catch (RemoteException re) { 13056 } 13057 return; 13058 } 13059 13060 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 13061 installFlags |= PackageManager.INSTALL_FROM_ADB; 13062 13063 } else { 13064 // Caller holds INSTALL_PACKAGES permission, so we're less strict 13065 // about installerPackageName. 13066 13067 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 13068 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 13069 } 13070 13071 UserHandle user; 13072 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 13073 user = UserHandle.ALL; 13074 } else { 13075 user = new UserHandle(userId); 13076 } 13077 13078 // Only system components can circumvent runtime permissions when installing. 13079 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 13080 && mContext.checkCallingOrSelfPermission(Manifest.permission 13081 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 13082 throw new SecurityException("You need the " 13083 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 13084 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 13085 } 13086 13087 if ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0 13088 || (installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13089 throw new IllegalArgumentException( 13090 "New installs into ASEC containers no longer supported"); 13091 } 13092 13093 final File originFile = new File(originPath); 13094 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 13095 13096 final Message msg = mHandler.obtainMessage(INIT_COPY); 13097 final VerificationInfo verificationInfo = new VerificationInfo( 13098 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 13099 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 13100 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 13101 null /*packageAbiOverride*/, null /*grantedPermissions*/, 13102 null /*certificates*/, PackageManager.INSTALL_REASON_UNKNOWN); 13103 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 13104 msg.obj = params; 13105 13106 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 13107 System.identityHashCode(msg.obj)); 13108 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13109 System.identityHashCode(msg.obj)); 13110 13111 mHandler.sendMessage(msg); 13112 } 13113 13114 13115 /** 13116 * Ensure that the install reason matches what we know about the package installer (e.g. whether 13117 * it is acting on behalf on an enterprise or the user). 13118 * 13119 * Note that the ordering of the conditionals in this method is important. The checks we perform 13120 * are as follows, in this order: 13121 * 13122 * 1) If the install is being performed by a system app, we can trust the app to have set the 13123 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 13124 * what it is. 13125 * 2) If the install is being performed by a device or profile owner app, the install reason 13126 * should be enterprise policy. However, we cannot be sure that the device or profile owner 13127 * set the install reason correctly. If the app targets an older SDK version where install 13128 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 13129 * unset or wrong. Thus, we force the install reason to be enterprise policy. 13130 * 3) In all other cases, the install is being performed by a regular app that is neither part 13131 * of the system nor a device or profile owner. We have no reason to believe that this app is 13132 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 13133 * set to enterprise policy and if so, change it to unknown instead. 13134 */ 13135 private int fixUpInstallReason(String installerPackageName, int installerUid, 13136 int installReason) { 13137 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 13138 == PERMISSION_GRANTED) { 13139 // If the install is being performed by a system app, we trust that app to have set the 13140 // install reason correctly. 13141 return installReason; 13142 } 13143 13144 final IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13145 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13146 if (dpm != null) { 13147 ComponentName owner = null; 13148 try { 13149 owner = dpm.getDeviceOwnerComponent(true /* callingUserOnly */); 13150 if (owner == null) { 13151 owner = dpm.getProfileOwner(UserHandle.getUserId(installerUid)); 13152 } 13153 } catch (RemoteException e) { 13154 } 13155 if (owner != null && owner.getPackageName().equals(installerPackageName)) { 13156 // If the install is being performed by a device or profile owner, the install 13157 // reason should be enterprise policy. 13158 return PackageManager.INSTALL_REASON_POLICY; 13159 } 13160 } 13161 13162 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 13163 // If the install is being performed by a regular app (i.e. neither system app nor 13164 // device or profile owner), we have no reason to believe that the app is acting on 13165 // behalf of an enterprise. If the app set the install reason to enterprise policy, 13166 // change it to unknown instead. 13167 return PackageManager.INSTALL_REASON_UNKNOWN; 13168 } 13169 13170 // If the install is being performed by a regular app and the install reason was set to any 13171 // value but enterprise policy, leave the install reason unchanged. 13172 return installReason; 13173 } 13174 13175 void installStage(String packageName, File stagedDir, String stagedCid, 13176 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 13177 String installerPackageName, int installerUid, UserHandle user, 13178 Certificate[][] certificates) { 13179 if (DEBUG_EPHEMERAL) { 13180 if ((sessionParams.installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13181 Slog.d(TAG, "Ephemeral install of " + packageName); 13182 } 13183 } 13184 final VerificationInfo verificationInfo = new VerificationInfo( 13185 sessionParams.originatingUri, sessionParams.referrerUri, 13186 sessionParams.originatingUid, installerUid); 13187 13188 final OriginInfo origin; 13189 if (stagedDir != null) { 13190 origin = OriginInfo.fromStagedFile(stagedDir); 13191 } else { 13192 origin = OriginInfo.fromStagedContainer(stagedCid); 13193 } 13194 13195 final Message msg = mHandler.obtainMessage(INIT_COPY); 13196 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 13197 sessionParams.installReason); 13198 final InstallParams params = new InstallParams(origin, null, observer, 13199 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 13200 verificationInfo, user, sessionParams.abiOverride, 13201 sessionParams.grantedRuntimePermissions, certificates, installReason); 13202 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 13203 msg.obj = params; 13204 13205 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 13206 System.identityHashCode(msg.obj)); 13207 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13208 System.identityHashCode(msg.obj)); 13209 13210 mHandler.sendMessage(msg); 13211 } 13212 13213 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 13214 int userId) { 13215 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 13216 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 13217 } 13218 13219 private void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 13220 int appId, int... userIds) { 13221 if (ArrayUtils.isEmpty(userIds)) { 13222 return; 13223 } 13224 Bundle extras = new Bundle(1); 13225 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 13226 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 13227 13228 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 13229 packageName, extras, 0, null, null, userIds); 13230 if (isSystem) { 13231 mHandler.post(() -> { 13232 for (int userId : userIds) { 13233 sendBootCompletedBroadcastToSystemApp(packageName, userId); 13234 } 13235 } 13236 ); 13237 } 13238 } 13239 13240 /** 13241 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 13242 * automatically without needing an explicit launch. 13243 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 13244 */ 13245 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 13246 // If user is not running, the app didn't miss any broadcast 13247 if (!mUserManagerInternal.isUserRunning(userId)) { 13248 return; 13249 } 13250 final IActivityManager am = ActivityManager.getService(); 13251 try { 13252 // Deliver LOCKED_BOOT_COMPLETED first 13253 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 13254 .setPackage(packageName); 13255 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 13256 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 13257 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13258 13259 // Deliver BOOT_COMPLETED only if user is unlocked 13260 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 13261 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 13262 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 13263 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13264 } 13265 } catch (RemoteException e) { 13266 throw e.rethrowFromSystemServer(); 13267 } 13268 } 13269 13270 @Override 13271 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 13272 int userId) { 13273 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13274 PackageSetting pkgSetting; 13275 final int uid = Binder.getCallingUid(); 13276 enforceCrossUserPermission(uid, userId, 13277 true /* requireFullPermission */, true /* checkShell */, 13278 "setApplicationHiddenSetting for user " + userId); 13279 13280 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 13281 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 13282 return false; 13283 } 13284 13285 long callingId = Binder.clearCallingIdentity(); 13286 try { 13287 boolean sendAdded = false; 13288 boolean sendRemoved = false; 13289 // writer 13290 synchronized (mPackages) { 13291 pkgSetting = mSettings.mPackages.get(packageName); 13292 if (pkgSetting == null) { 13293 return false; 13294 } 13295 // Do not allow "android" is being disabled 13296 if ("android".equals(packageName)) { 13297 Slog.w(TAG, "Cannot hide package: android"); 13298 return false; 13299 } 13300 // Cannot hide static shared libs as they are considered 13301 // a part of the using app (emulating static linking). Also 13302 // static libs are installed always on internal storage. 13303 PackageParser.Package pkg = mPackages.get(packageName); 13304 if (pkg != null && pkg.staticSharedLibName != null) { 13305 Slog.w(TAG, "Cannot hide package: " + packageName 13306 + " providing static shared library: " 13307 + pkg.staticSharedLibName); 13308 return false; 13309 } 13310 // Only allow protected packages to hide themselves. 13311 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 13312 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13313 Slog.w(TAG, "Not hiding protected package: " + packageName); 13314 return false; 13315 } 13316 13317 if (pkgSetting.getHidden(userId) != hidden) { 13318 pkgSetting.setHidden(hidden, userId); 13319 mSettings.writePackageRestrictionsLPr(userId); 13320 if (hidden) { 13321 sendRemoved = true; 13322 } else { 13323 sendAdded = true; 13324 } 13325 } 13326 } 13327 if (sendAdded) { 13328 sendPackageAddedForUser(packageName, pkgSetting, userId); 13329 return true; 13330 } 13331 if (sendRemoved) { 13332 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 13333 "hiding pkg"); 13334 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 13335 return true; 13336 } 13337 } finally { 13338 Binder.restoreCallingIdentity(callingId); 13339 } 13340 return false; 13341 } 13342 13343 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 13344 int userId) { 13345 final PackageRemovedInfo info = new PackageRemovedInfo(); 13346 info.removedPackage = packageName; 13347 info.removedUsers = new int[] {userId}; 13348 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 13349 info.sendPackageRemovedBroadcasts(true /*killApp*/); 13350 } 13351 13352 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 13353 if (pkgList.length > 0) { 13354 Bundle extras = new Bundle(1); 13355 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 13356 13357 sendPackageBroadcast( 13358 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 13359 : Intent.ACTION_PACKAGES_UNSUSPENDED, 13360 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 13361 new int[] {userId}); 13362 } 13363 } 13364 13365 /** 13366 * Returns true if application is not found or there was an error. Otherwise it returns 13367 * the hidden state of the package for the given user. 13368 */ 13369 @Override 13370 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 13371 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13372 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13373 true /* requireFullPermission */, false /* checkShell */, 13374 "getApplicationHidden for user " + userId); 13375 PackageSetting pkgSetting; 13376 long callingId = Binder.clearCallingIdentity(); 13377 try { 13378 // writer 13379 synchronized (mPackages) { 13380 pkgSetting = mSettings.mPackages.get(packageName); 13381 if (pkgSetting == null) { 13382 return true; 13383 } 13384 return pkgSetting.getHidden(userId); 13385 } 13386 } finally { 13387 Binder.restoreCallingIdentity(callingId); 13388 } 13389 } 13390 13391 /** 13392 * @hide 13393 */ 13394 @Override 13395 public int installExistingPackageAsUser(String packageName, int userId, int installFlags, 13396 int installReason) { 13397 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 13398 null); 13399 PackageSetting pkgSetting; 13400 final int uid = Binder.getCallingUid(); 13401 enforceCrossUserPermission(uid, userId, 13402 true /* requireFullPermission */, true /* checkShell */, 13403 "installExistingPackage for user " + userId); 13404 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13405 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 13406 } 13407 13408 long callingId = Binder.clearCallingIdentity(); 13409 try { 13410 boolean installed = false; 13411 final boolean instantApp = 13412 (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 13413 final boolean fullApp = 13414 (installFlags & PackageManager.INSTALL_FULL_APP) != 0; 13415 13416 // writer 13417 synchronized (mPackages) { 13418 pkgSetting = mSettings.mPackages.get(packageName); 13419 if (pkgSetting == null) { 13420 return PackageManager.INSTALL_FAILED_INVALID_URI; 13421 } 13422 if (!pkgSetting.getInstalled(userId)) { 13423 pkgSetting.setInstalled(true, userId); 13424 pkgSetting.setHidden(false, userId); 13425 pkgSetting.setInstallReason(installReason, userId); 13426 mSettings.writePackageRestrictionsLPr(userId); 13427 mSettings.writeKernelMappingLPr(pkgSetting); 13428 installed = true; 13429 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13430 // upgrade app from instant to full; we don't allow app downgrade 13431 installed = true; 13432 } 13433 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 13434 } 13435 13436 if (installed) { 13437 if (pkgSetting.pkg != null) { 13438 synchronized (mInstallLock) { 13439 // We don't need to freeze for a brand new install 13440 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 13441 } 13442 } 13443 sendPackageAddedForUser(packageName, pkgSetting, userId); 13444 synchronized (mPackages) { 13445 updateSequenceNumberLP(packageName, new int[]{ userId }); 13446 } 13447 } 13448 } finally { 13449 Binder.restoreCallingIdentity(callingId); 13450 } 13451 13452 return PackageManager.INSTALL_SUCCEEDED; 13453 } 13454 13455 void setInstantAppForUser(PackageSetting pkgSetting, int userId, 13456 boolean instantApp, boolean fullApp) { 13457 // no state specified; do nothing 13458 if (!instantApp && !fullApp) { 13459 return; 13460 } 13461 if (userId != UserHandle.USER_ALL) { 13462 if (instantApp && !pkgSetting.getInstantApp(userId)) { 13463 pkgSetting.setInstantApp(true /*instantApp*/, userId); 13464 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13465 pkgSetting.setInstantApp(false /*instantApp*/, userId); 13466 } 13467 } else { 13468 for (int currentUserId : sUserManager.getUserIds()) { 13469 if (instantApp && !pkgSetting.getInstantApp(currentUserId)) { 13470 pkgSetting.setInstantApp(true /*instantApp*/, currentUserId); 13471 } else if (fullApp && pkgSetting.getInstantApp(currentUserId)) { 13472 pkgSetting.setInstantApp(false /*instantApp*/, currentUserId); 13473 } 13474 } 13475 } 13476 } 13477 13478 boolean isUserRestricted(int userId, String restrictionKey) { 13479 Bundle restrictions = sUserManager.getUserRestrictions(userId); 13480 if (restrictions.getBoolean(restrictionKey, false)) { 13481 Log.w(TAG, "User is restricted: " + restrictionKey); 13482 return true; 13483 } 13484 return false; 13485 } 13486 13487 @Override 13488 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 13489 int userId) { 13490 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13491 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13492 true /* requireFullPermission */, true /* checkShell */, 13493 "setPackagesSuspended for user " + userId); 13494 13495 if (ArrayUtils.isEmpty(packageNames)) { 13496 return packageNames; 13497 } 13498 13499 // List of package names for whom the suspended state has changed. 13500 List<String> changedPackages = new ArrayList<>(packageNames.length); 13501 // List of package names for whom the suspended state is not set as requested in this 13502 // method. 13503 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 13504 long callingId = Binder.clearCallingIdentity(); 13505 try { 13506 for (int i = 0; i < packageNames.length; i++) { 13507 String packageName = packageNames[i]; 13508 boolean changed = false; 13509 final int appId; 13510 synchronized (mPackages) { 13511 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13512 if (pkgSetting == null) { 13513 Slog.w(TAG, "Could not find package setting for package \"" + packageName 13514 + "\". Skipping suspending/un-suspending."); 13515 unactionedPackages.add(packageName); 13516 continue; 13517 } 13518 appId = pkgSetting.appId; 13519 if (pkgSetting.getSuspended(userId) != suspended) { 13520 if (!canSuspendPackageForUserLocked(packageName, userId)) { 13521 unactionedPackages.add(packageName); 13522 continue; 13523 } 13524 pkgSetting.setSuspended(suspended, userId); 13525 mSettings.writePackageRestrictionsLPr(userId); 13526 changed = true; 13527 changedPackages.add(packageName); 13528 } 13529 } 13530 13531 if (changed && suspended) { 13532 killApplication(packageName, UserHandle.getUid(userId, appId), 13533 "suspending package"); 13534 } 13535 } 13536 } finally { 13537 Binder.restoreCallingIdentity(callingId); 13538 } 13539 13540 if (!changedPackages.isEmpty()) { 13541 sendPackagesSuspendedForUser(changedPackages.toArray( 13542 new String[changedPackages.size()]), userId, suspended); 13543 } 13544 13545 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 13546 } 13547 13548 @Override 13549 public boolean isPackageSuspendedForUser(String packageName, int userId) { 13550 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13551 true /* requireFullPermission */, false /* checkShell */, 13552 "isPackageSuspendedForUser for user " + userId); 13553 synchronized (mPackages) { 13554 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13555 if (pkgSetting == null) { 13556 throw new IllegalArgumentException("Unknown target package: " + packageName); 13557 } 13558 return pkgSetting.getSuspended(userId); 13559 } 13560 } 13561 13562 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 13563 if (isPackageDeviceAdmin(packageName, userId)) { 13564 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13565 + "\": has an active device admin"); 13566 return false; 13567 } 13568 13569 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 13570 if (packageName.equals(activeLauncherPackageName)) { 13571 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13572 + "\": contains the active launcher"); 13573 return false; 13574 } 13575 13576 if (packageName.equals(mRequiredInstallerPackage)) { 13577 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13578 + "\": required for package installation"); 13579 return false; 13580 } 13581 13582 if (packageName.equals(mRequiredUninstallerPackage)) { 13583 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13584 + "\": required for package uninstallation"); 13585 return false; 13586 } 13587 13588 if (packageName.equals(mRequiredVerifierPackage)) { 13589 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13590 + "\": required for package verification"); 13591 return false; 13592 } 13593 13594 if (packageName.equals(getDefaultDialerPackageName(userId))) { 13595 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13596 + "\": is the default dialer"); 13597 return false; 13598 } 13599 13600 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13601 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13602 + "\": protected package"); 13603 return false; 13604 } 13605 13606 // Cannot suspend static shared libs as they are considered 13607 // a part of the using app (emulating static linking). Also 13608 // static libs are installed always on internal storage. 13609 PackageParser.Package pkg = mPackages.get(packageName); 13610 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 13611 Slog.w(TAG, "Cannot suspend package: " + packageName 13612 + " providing static shared library: " 13613 + pkg.staticSharedLibName); 13614 return false; 13615 } 13616 13617 return true; 13618 } 13619 13620 private String getActiveLauncherPackageName(int userId) { 13621 Intent intent = new Intent(Intent.ACTION_MAIN); 13622 intent.addCategory(Intent.CATEGORY_HOME); 13623 ResolveInfo resolveInfo = resolveIntent( 13624 intent, 13625 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 13626 PackageManager.MATCH_DEFAULT_ONLY, 13627 userId); 13628 13629 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 13630 } 13631 13632 private String getDefaultDialerPackageName(int userId) { 13633 synchronized (mPackages) { 13634 return mSettings.getDefaultDialerPackageNameLPw(userId); 13635 } 13636 } 13637 13638 @Override 13639 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 13640 mContext.enforceCallingOrSelfPermission( 13641 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13642 "Only package verification agents can verify applications"); 13643 13644 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13645 final PackageVerificationResponse response = new PackageVerificationResponse( 13646 verificationCode, Binder.getCallingUid()); 13647 msg.arg1 = id; 13648 msg.obj = response; 13649 mHandler.sendMessage(msg); 13650 } 13651 13652 @Override 13653 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 13654 long millisecondsToDelay) { 13655 mContext.enforceCallingOrSelfPermission( 13656 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13657 "Only package verification agents can extend verification timeouts"); 13658 13659 final PackageVerificationState state = mPendingVerification.get(id); 13660 final PackageVerificationResponse response = new PackageVerificationResponse( 13661 verificationCodeAtTimeout, Binder.getCallingUid()); 13662 13663 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 13664 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 13665 } 13666 if (millisecondsToDelay < 0) { 13667 millisecondsToDelay = 0; 13668 } 13669 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 13670 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 13671 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 13672 } 13673 13674 if ((state != null) && !state.timeoutExtended()) { 13675 state.extendTimeout(); 13676 13677 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13678 msg.arg1 = id; 13679 msg.obj = response; 13680 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 13681 } 13682 } 13683 13684 private void broadcastPackageVerified(int verificationId, Uri packageUri, 13685 int verificationCode, UserHandle user) { 13686 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 13687 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 13688 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13689 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13690 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 13691 13692 mContext.sendBroadcastAsUser(intent, user, 13693 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 13694 } 13695 13696 private ComponentName matchComponentForVerifier(String packageName, 13697 List<ResolveInfo> receivers) { 13698 ActivityInfo targetReceiver = null; 13699 13700 final int NR = receivers.size(); 13701 for (int i = 0; i < NR; i++) { 13702 final ResolveInfo info = receivers.get(i); 13703 if (info.activityInfo == null) { 13704 continue; 13705 } 13706 13707 if (packageName.equals(info.activityInfo.packageName)) { 13708 targetReceiver = info.activityInfo; 13709 break; 13710 } 13711 } 13712 13713 if (targetReceiver == null) { 13714 return null; 13715 } 13716 13717 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 13718 } 13719 13720 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 13721 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 13722 if (pkgInfo.verifiers.length == 0) { 13723 return null; 13724 } 13725 13726 final int N = pkgInfo.verifiers.length; 13727 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 13728 for (int i = 0; i < N; i++) { 13729 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 13730 13731 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 13732 receivers); 13733 if (comp == null) { 13734 continue; 13735 } 13736 13737 final int verifierUid = getUidForVerifier(verifierInfo); 13738 if (verifierUid == -1) { 13739 continue; 13740 } 13741 13742 if (DEBUG_VERIFY) { 13743 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 13744 + " with the correct signature"); 13745 } 13746 sufficientVerifiers.add(comp); 13747 verificationState.addSufficientVerifier(verifierUid); 13748 } 13749 13750 return sufficientVerifiers; 13751 } 13752 13753 private int getUidForVerifier(VerifierInfo verifierInfo) { 13754 synchronized (mPackages) { 13755 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 13756 if (pkg == null) { 13757 return -1; 13758 } else if (pkg.mSignatures.length != 1) { 13759 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13760 + " has more than one signature; ignoring"); 13761 return -1; 13762 } 13763 13764 /* 13765 * If the public key of the package's signature does not match 13766 * our expected public key, then this is a different package and 13767 * we should skip. 13768 */ 13769 13770 final byte[] expectedPublicKey; 13771 try { 13772 final Signature verifierSig = pkg.mSignatures[0]; 13773 final PublicKey publicKey = verifierSig.getPublicKey(); 13774 expectedPublicKey = publicKey.getEncoded(); 13775 } catch (CertificateException e) { 13776 return -1; 13777 } 13778 13779 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 13780 13781 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 13782 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13783 + " does not have the expected public key; ignoring"); 13784 return -1; 13785 } 13786 13787 return pkg.applicationInfo.uid; 13788 } 13789 } 13790 13791 @Override 13792 public void finishPackageInstall(int token, boolean didLaunch) { 13793 enforceSystemOrRoot("Only the system is allowed to finish installs"); 13794 13795 if (DEBUG_INSTALL) { 13796 Slog.v(TAG, "BM finishing package install for " + token); 13797 } 13798 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13799 13800 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 13801 mHandler.sendMessage(msg); 13802 } 13803 13804 /** 13805 * Get the verification agent timeout. 13806 * 13807 * @return verification timeout in milliseconds 13808 */ 13809 private long getVerificationTimeout() { 13810 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 13811 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 13812 DEFAULT_VERIFICATION_TIMEOUT); 13813 } 13814 13815 /** 13816 * Get the default verification agent response code. 13817 * 13818 * @return default verification response code 13819 */ 13820 private int getDefaultVerificationResponse() { 13821 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13822 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 13823 DEFAULT_VERIFICATION_RESPONSE); 13824 } 13825 13826 /** 13827 * Check whether or not package verification has been enabled. 13828 * 13829 * @return true if verification should be performed 13830 */ 13831 private boolean isVerificationEnabled(int userId, int installFlags) { 13832 if (!DEFAULT_VERIFY_ENABLE) { 13833 return false; 13834 } 13835 // Ephemeral apps don't get the full verification treatment 13836 if ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13837 if (DEBUG_EPHEMERAL) { 13838 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 13839 } 13840 return false; 13841 } 13842 13843 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 13844 13845 // Check if installing from ADB 13846 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 13847 // Do not run verification in a test harness environment 13848 if (ActivityManager.isRunningInTestHarness()) { 13849 return false; 13850 } 13851 if (ensureVerifyAppsEnabled) { 13852 return true; 13853 } 13854 // Check if the developer does not want package verification for ADB installs 13855 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13856 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 13857 return false; 13858 } 13859 } 13860 13861 if (ensureVerifyAppsEnabled) { 13862 return true; 13863 } 13864 13865 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13866 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 13867 } 13868 13869 @Override 13870 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 13871 throws RemoteException { 13872 mContext.enforceCallingOrSelfPermission( 13873 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 13874 "Only intentfilter verification agents can verify applications"); 13875 13876 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 13877 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 13878 Binder.getCallingUid(), verificationCode, failedDomains); 13879 msg.arg1 = id; 13880 msg.obj = response; 13881 mHandler.sendMessage(msg); 13882 } 13883 13884 @Override 13885 public int getIntentVerificationStatus(String packageName, int userId) { 13886 synchronized (mPackages) { 13887 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 13888 } 13889 } 13890 13891 @Override 13892 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 13893 mContext.enforceCallingOrSelfPermission( 13894 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13895 13896 boolean result = false; 13897 synchronized (mPackages) { 13898 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 13899 } 13900 if (result) { 13901 scheduleWritePackageRestrictionsLocked(userId); 13902 } 13903 return result; 13904 } 13905 13906 @Override 13907 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 13908 String packageName) { 13909 synchronized (mPackages) { 13910 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 13911 } 13912 } 13913 13914 @Override 13915 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 13916 if (TextUtils.isEmpty(packageName)) { 13917 return ParceledListSlice.emptyList(); 13918 } 13919 synchronized (mPackages) { 13920 PackageParser.Package pkg = mPackages.get(packageName); 13921 if (pkg == null || pkg.activities == null) { 13922 return ParceledListSlice.emptyList(); 13923 } 13924 final int count = pkg.activities.size(); 13925 ArrayList<IntentFilter> result = new ArrayList<>(); 13926 for (int n=0; n<count; n++) { 13927 PackageParser.Activity activity = pkg.activities.get(n); 13928 if (activity.intents != null && activity.intents.size() > 0) { 13929 result.addAll(activity.intents); 13930 } 13931 } 13932 return new ParceledListSlice<>(result); 13933 } 13934 } 13935 13936 @Override 13937 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 13938 mContext.enforceCallingOrSelfPermission( 13939 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13940 13941 synchronized (mPackages) { 13942 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 13943 if (packageName != null) { 13944 result |= updateIntentVerificationStatus(packageName, 13945 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 13946 userId); 13947 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 13948 packageName, userId); 13949 } 13950 return result; 13951 } 13952 } 13953 13954 @Override 13955 public String getDefaultBrowserPackageName(int userId) { 13956 synchronized (mPackages) { 13957 return mSettings.getDefaultBrowserPackageNameLPw(userId); 13958 } 13959 } 13960 13961 /** 13962 * Get the "allow unknown sources" setting. 13963 * 13964 * @return the current "allow unknown sources" setting 13965 */ 13966 private int getUnknownSourcesSettings() { 13967 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 13968 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 13969 -1); 13970 } 13971 13972 @Override 13973 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 13974 final int uid = Binder.getCallingUid(); 13975 // writer 13976 synchronized (mPackages) { 13977 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 13978 if (targetPackageSetting == null) { 13979 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 13980 } 13981 13982 PackageSetting installerPackageSetting; 13983 if (installerPackageName != null) { 13984 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 13985 if (installerPackageSetting == null) { 13986 throw new IllegalArgumentException("Unknown installer package: " 13987 + installerPackageName); 13988 } 13989 } else { 13990 installerPackageSetting = null; 13991 } 13992 13993 Signature[] callerSignature; 13994 Object obj = mSettings.getUserIdLPr(uid); 13995 if (obj != null) { 13996 if (obj instanceof SharedUserSetting) { 13997 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 13998 } else if (obj instanceof PackageSetting) { 13999 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 14000 } else { 14001 throw new SecurityException("Bad object " + obj + " for uid " + uid); 14002 } 14003 } else { 14004 throw new SecurityException("Unknown calling UID: " + uid); 14005 } 14006 14007 // Verify: can't set installerPackageName to a package that is 14008 // not signed with the same cert as the caller. 14009 if (installerPackageSetting != null) { 14010 if (compareSignatures(callerSignature, 14011 installerPackageSetting.signatures.mSignatures) 14012 != PackageManager.SIGNATURE_MATCH) { 14013 throw new SecurityException( 14014 "Caller does not have same cert as new installer package " 14015 + installerPackageName); 14016 } 14017 } 14018 14019 // Verify: if target already has an installer package, it must 14020 // be signed with the same cert as the caller. 14021 if (targetPackageSetting.installerPackageName != null) { 14022 PackageSetting setting = mSettings.mPackages.get( 14023 targetPackageSetting.installerPackageName); 14024 // If the currently set package isn't valid, then it's always 14025 // okay to change it. 14026 if (setting != null) { 14027 if (compareSignatures(callerSignature, 14028 setting.signatures.mSignatures) 14029 != PackageManager.SIGNATURE_MATCH) { 14030 throw new SecurityException( 14031 "Caller does not have same cert as old installer package " 14032 + targetPackageSetting.installerPackageName); 14033 } 14034 } 14035 } 14036 14037 // Okay! 14038 targetPackageSetting.installerPackageName = installerPackageName; 14039 if (installerPackageName != null) { 14040 mSettings.mInstallerPackages.add(installerPackageName); 14041 } 14042 scheduleWriteSettingsLocked(); 14043 } 14044 } 14045 14046 @Override 14047 public void setApplicationCategoryHint(String packageName, int categoryHint, 14048 String callerPackageName) { 14049 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 14050 callerPackageName); 14051 synchronized (mPackages) { 14052 PackageSetting ps = mSettings.mPackages.get(packageName); 14053 if (ps == null) { 14054 throw new IllegalArgumentException("Unknown target package " + packageName); 14055 } 14056 14057 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 14058 throw new IllegalArgumentException("Calling package " + callerPackageName 14059 + " is not installer for " + packageName); 14060 } 14061 14062 if (ps.categoryHint != categoryHint) { 14063 ps.categoryHint = categoryHint; 14064 scheduleWriteSettingsLocked(); 14065 } 14066 } 14067 } 14068 14069 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 14070 // Queue up an async operation since the package installation may take a little while. 14071 mHandler.post(new Runnable() { 14072 public void run() { 14073 mHandler.removeCallbacks(this); 14074 // Result object to be returned 14075 PackageInstalledInfo res = new PackageInstalledInfo(); 14076 res.setReturnCode(currentStatus); 14077 res.uid = -1; 14078 res.pkg = null; 14079 res.removedInfo = null; 14080 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14081 args.doPreInstall(res.returnCode); 14082 synchronized (mInstallLock) { 14083 installPackageTracedLI(args, res); 14084 } 14085 args.doPostInstall(res.returnCode, res.uid); 14086 } 14087 14088 // A restore should be performed at this point if (a) the install 14089 // succeeded, (b) the operation is not an update, and (c) the new 14090 // package has not opted out of backup participation. 14091 final boolean update = res.removedInfo != null 14092 && res.removedInfo.removedPackage != null; 14093 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 14094 boolean doRestore = !update 14095 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 14096 14097 // Set up the post-install work request bookkeeping. This will be used 14098 // and cleaned up by the post-install event handling regardless of whether 14099 // there's a restore pass performed. Token values are >= 1. 14100 int token; 14101 if (mNextInstallToken < 0) mNextInstallToken = 1; 14102 token = mNextInstallToken++; 14103 14104 PostInstallData data = new PostInstallData(args, res); 14105 mRunningInstalls.put(token, data); 14106 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 14107 14108 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 14109 // Pass responsibility to the Backup Manager. It will perform a 14110 // restore if appropriate, then pass responsibility back to the 14111 // Package Manager to run the post-install observer callbacks 14112 // and broadcasts. 14113 IBackupManager bm = IBackupManager.Stub.asInterface( 14114 ServiceManager.getService(Context.BACKUP_SERVICE)); 14115 if (bm != null) { 14116 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 14117 + " to BM for possible restore"); 14118 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 14119 try { 14120 // TODO: http://b/22388012 14121 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 14122 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 14123 } else { 14124 doRestore = false; 14125 } 14126 } catch (RemoteException e) { 14127 // can't happen; the backup manager is local 14128 } catch (Exception e) { 14129 Slog.e(TAG, "Exception trying to enqueue restore", e); 14130 doRestore = false; 14131 } 14132 } else { 14133 Slog.e(TAG, "Backup Manager not found!"); 14134 doRestore = false; 14135 } 14136 } 14137 14138 if (!doRestore) { 14139 // No restore possible, or the Backup Manager was mysteriously not 14140 // available -- just fire the post-install work request directly. 14141 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 14142 14143 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 14144 14145 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 14146 mHandler.sendMessage(msg); 14147 } 14148 } 14149 }); 14150 } 14151 14152 /** 14153 * Callback from PackageSettings whenever an app is first transitioned out of the 14154 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 14155 * the app was "launched" for a restoreAtInstall operation. Therefore we check 14156 * here whether the app is the target of an ongoing install, and only send the 14157 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 14158 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 14159 * handling. 14160 */ 14161 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 14162 // Serialize this with the rest of the install-process message chain. In the 14163 // restore-at-install case, this Runnable will necessarily run before the 14164 // POST_INSTALL message is processed, so the contents of mRunningInstalls 14165 // are coherent. In the non-restore case, the app has already completed install 14166 // and been launched through some other means, so it is not in a problematic 14167 // state for observers to see the FIRST_LAUNCH signal. 14168 mHandler.post(new Runnable() { 14169 @Override 14170 public void run() { 14171 for (int i = 0; i < mRunningInstalls.size(); i++) { 14172 final PostInstallData data = mRunningInstalls.valueAt(i); 14173 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14174 continue; 14175 } 14176 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 14177 // right package; but is it for the right user? 14178 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 14179 if (userId == data.res.newUsers[uIndex]) { 14180 if (DEBUG_BACKUP) { 14181 Slog.i(TAG, "Package " + pkgName 14182 + " being restored so deferring FIRST_LAUNCH"); 14183 } 14184 return; 14185 } 14186 } 14187 } 14188 } 14189 // didn't find it, so not being restored 14190 if (DEBUG_BACKUP) { 14191 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 14192 } 14193 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 14194 } 14195 }); 14196 } 14197 14198 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 14199 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 14200 installerPkg, null, userIds); 14201 } 14202 14203 private abstract class HandlerParams { 14204 private static final int MAX_RETRIES = 4; 14205 14206 /** 14207 * Number of times startCopy() has been attempted and had a non-fatal 14208 * error. 14209 */ 14210 private int mRetries = 0; 14211 14212 /** User handle for the user requesting the information or installation. */ 14213 private final UserHandle mUser; 14214 String traceMethod; 14215 int traceCookie; 14216 14217 HandlerParams(UserHandle user) { 14218 mUser = user; 14219 } 14220 14221 UserHandle getUser() { 14222 return mUser; 14223 } 14224 14225 HandlerParams setTraceMethod(String traceMethod) { 14226 this.traceMethod = traceMethod; 14227 return this; 14228 } 14229 14230 HandlerParams setTraceCookie(int traceCookie) { 14231 this.traceCookie = traceCookie; 14232 return this; 14233 } 14234 14235 final boolean startCopy() { 14236 boolean res; 14237 try { 14238 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 14239 14240 if (++mRetries > MAX_RETRIES) { 14241 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 14242 mHandler.sendEmptyMessage(MCS_GIVE_UP); 14243 handleServiceError(); 14244 return false; 14245 } else { 14246 handleStartCopy(); 14247 res = true; 14248 } 14249 } catch (RemoteException e) { 14250 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 14251 mHandler.sendEmptyMessage(MCS_RECONNECT); 14252 res = false; 14253 } 14254 handleReturnCode(); 14255 return res; 14256 } 14257 14258 final void serviceError() { 14259 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 14260 handleServiceError(); 14261 handleReturnCode(); 14262 } 14263 14264 abstract void handleStartCopy() throws RemoteException; 14265 abstract void handleServiceError(); 14266 abstract void handleReturnCode(); 14267 } 14268 14269 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 14270 for (File path : paths) { 14271 try { 14272 mcs.clearDirectory(path.getAbsolutePath()); 14273 } catch (RemoteException e) { 14274 } 14275 } 14276 } 14277 14278 static class OriginInfo { 14279 /** 14280 * Location where install is coming from, before it has been 14281 * copied/renamed into place. This could be a single monolithic APK 14282 * file, or a cluster directory. This location may be untrusted. 14283 */ 14284 final File file; 14285 final String cid; 14286 14287 /** 14288 * Flag indicating that {@link #file} or {@link #cid} has already been 14289 * staged, meaning downstream users don't need to defensively copy the 14290 * contents. 14291 */ 14292 final boolean staged; 14293 14294 /** 14295 * Flag indicating that {@link #file} or {@link #cid} is an already 14296 * installed app that is being moved. 14297 */ 14298 final boolean existing; 14299 14300 final String resolvedPath; 14301 final File resolvedFile; 14302 14303 static OriginInfo fromNothing() { 14304 return new OriginInfo(null, null, false, false); 14305 } 14306 14307 static OriginInfo fromUntrustedFile(File file) { 14308 return new OriginInfo(file, null, false, false); 14309 } 14310 14311 static OriginInfo fromExistingFile(File file) { 14312 return new OriginInfo(file, null, false, true); 14313 } 14314 14315 static OriginInfo fromStagedFile(File file) { 14316 return new OriginInfo(file, null, true, false); 14317 } 14318 14319 static OriginInfo fromStagedContainer(String cid) { 14320 return new OriginInfo(null, cid, true, false); 14321 } 14322 14323 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 14324 this.file = file; 14325 this.cid = cid; 14326 this.staged = staged; 14327 this.existing = existing; 14328 14329 if (cid != null) { 14330 resolvedPath = PackageHelper.getSdDir(cid); 14331 resolvedFile = new File(resolvedPath); 14332 } else if (file != null) { 14333 resolvedPath = file.getAbsolutePath(); 14334 resolvedFile = file; 14335 } else { 14336 resolvedPath = null; 14337 resolvedFile = null; 14338 } 14339 } 14340 } 14341 14342 static class MoveInfo { 14343 final int moveId; 14344 final String fromUuid; 14345 final String toUuid; 14346 final String packageName; 14347 final String dataAppName; 14348 final int appId; 14349 final String seinfo; 14350 final int targetSdkVersion; 14351 14352 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 14353 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 14354 this.moveId = moveId; 14355 this.fromUuid = fromUuid; 14356 this.toUuid = toUuid; 14357 this.packageName = packageName; 14358 this.dataAppName = dataAppName; 14359 this.appId = appId; 14360 this.seinfo = seinfo; 14361 this.targetSdkVersion = targetSdkVersion; 14362 } 14363 } 14364 14365 static class VerificationInfo { 14366 /** A constant used to indicate that a uid value is not present. */ 14367 public static final int NO_UID = -1; 14368 14369 /** URI referencing where the package was downloaded from. */ 14370 final Uri originatingUri; 14371 14372 /** HTTP referrer URI associated with the originatingURI. */ 14373 final Uri referrer; 14374 14375 /** UID of the application that the install request originated from. */ 14376 final int originatingUid; 14377 14378 /** UID of application requesting the install */ 14379 final int installerUid; 14380 14381 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 14382 this.originatingUri = originatingUri; 14383 this.referrer = referrer; 14384 this.originatingUid = originatingUid; 14385 this.installerUid = installerUid; 14386 } 14387 } 14388 14389 class InstallParams extends HandlerParams { 14390 final OriginInfo origin; 14391 final MoveInfo move; 14392 final IPackageInstallObserver2 observer; 14393 int installFlags; 14394 final String installerPackageName; 14395 final String volumeUuid; 14396 private InstallArgs mArgs; 14397 private int mRet; 14398 final String packageAbiOverride; 14399 final String[] grantedRuntimePermissions; 14400 final VerificationInfo verificationInfo; 14401 final Certificate[][] certificates; 14402 final int installReason; 14403 14404 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14405 int installFlags, String installerPackageName, String volumeUuid, 14406 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 14407 String[] grantedPermissions, Certificate[][] certificates, int installReason) { 14408 super(user); 14409 this.origin = origin; 14410 this.move = move; 14411 this.observer = observer; 14412 this.installFlags = installFlags; 14413 this.installerPackageName = installerPackageName; 14414 this.volumeUuid = volumeUuid; 14415 this.verificationInfo = verificationInfo; 14416 this.packageAbiOverride = packageAbiOverride; 14417 this.grantedRuntimePermissions = grantedPermissions; 14418 this.certificates = certificates; 14419 this.installReason = installReason; 14420 } 14421 14422 @Override 14423 public String toString() { 14424 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 14425 + " file=" + origin.file + " cid=" + origin.cid + "}"; 14426 } 14427 14428 private int installLocationPolicy(PackageInfoLite pkgLite) { 14429 String packageName = pkgLite.packageName; 14430 int installLocation = pkgLite.installLocation; 14431 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14432 // reader 14433 synchronized (mPackages) { 14434 // Currently installed package which the new package is attempting to replace or 14435 // null if no such package is installed. 14436 PackageParser.Package installedPkg = mPackages.get(packageName); 14437 // Package which currently owns the data which the new package will own if installed. 14438 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 14439 // will be null whereas dataOwnerPkg will contain information about the package 14440 // which was uninstalled while keeping its data. 14441 PackageParser.Package dataOwnerPkg = installedPkg; 14442 if (dataOwnerPkg == null) { 14443 PackageSetting ps = mSettings.mPackages.get(packageName); 14444 if (ps != null) { 14445 dataOwnerPkg = ps.pkg; 14446 } 14447 } 14448 14449 if (dataOwnerPkg != null) { 14450 // If installed, the package will get access to data left on the device by its 14451 // predecessor. As a security measure, this is permited only if this is not a 14452 // version downgrade or if the predecessor package is marked as debuggable and 14453 // a downgrade is explicitly requested. 14454 // 14455 // On debuggable platform builds, downgrades are permitted even for 14456 // non-debuggable packages to make testing easier. Debuggable platform builds do 14457 // not offer security guarantees and thus it's OK to disable some security 14458 // mechanisms to make debugging/testing easier on those builds. However, even on 14459 // debuggable builds downgrades of packages are permitted only if requested via 14460 // installFlags. This is because we aim to keep the behavior of debuggable 14461 // platform builds as close as possible to the behavior of non-debuggable 14462 // platform builds. 14463 final boolean downgradeRequested = 14464 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 14465 final boolean packageDebuggable = 14466 (dataOwnerPkg.applicationInfo.flags 14467 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 14468 final boolean downgradePermitted = 14469 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 14470 if (!downgradePermitted) { 14471 try { 14472 checkDowngrade(dataOwnerPkg, pkgLite); 14473 } catch (PackageManagerException e) { 14474 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 14475 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 14476 } 14477 } 14478 } 14479 14480 if (installedPkg != null) { 14481 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14482 // Check for updated system application. 14483 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 14484 if (onSd) { 14485 Slog.w(TAG, "Cannot install update to system app on sdcard"); 14486 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 14487 } 14488 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14489 } else { 14490 if (onSd) { 14491 // Install flag overrides everything. 14492 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14493 } 14494 // If current upgrade specifies particular preference 14495 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 14496 // Application explicitly specified internal. 14497 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14498 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 14499 // App explictly prefers external. Let policy decide 14500 } else { 14501 // Prefer previous location 14502 if (isExternal(installedPkg)) { 14503 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14504 } 14505 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14506 } 14507 } 14508 } else { 14509 // Invalid install. Return error code 14510 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 14511 } 14512 } 14513 } 14514 // All the special cases have been taken care of. 14515 // Return result based on recommended install location. 14516 if (onSd) { 14517 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14518 } 14519 return pkgLite.recommendedInstallLocation; 14520 } 14521 14522 /* 14523 * Invoke remote method to get package information and install 14524 * location values. Override install location based on default 14525 * policy if needed and then create install arguments based 14526 * on the install location. 14527 */ 14528 public void handleStartCopy() throws RemoteException { 14529 int ret = PackageManager.INSTALL_SUCCEEDED; 14530 14531 // If we're already staged, we've firmly committed to an install location 14532 if (origin.staged) { 14533 if (origin.file != null) { 14534 installFlags |= PackageManager.INSTALL_INTERNAL; 14535 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14536 } else if (origin.cid != null) { 14537 installFlags |= PackageManager.INSTALL_EXTERNAL; 14538 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14539 } else { 14540 throw new IllegalStateException("Invalid stage location"); 14541 } 14542 } 14543 14544 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14545 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 14546 final boolean ephemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14547 PackageInfoLite pkgLite = null; 14548 14549 if (onInt && onSd) { 14550 // Check if both bits are set. 14551 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 14552 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14553 } else if (onSd && ephemeral) { 14554 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 14555 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14556 } else { 14557 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 14558 packageAbiOverride); 14559 14560 if (DEBUG_EPHEMERAL && ephemeral) { 14561 Slog.v(TAG, "pkgLite for install: " + pkgLite); 14562 } 14563 14564 /* 14565 * If we have too little free space, try to free cache 14566 * before giving up. 14567 */ 14568 if (!origin.staged && pkgLite.recommendedInstallLocation 14569 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14570 // TODO: focus freeing disk space on the target device 14571 final StorageManager storage = StorageManager.from(mContext); 14572 final long lowThreshold = storage.getStorageLowBytes( 14573 Environment.getDataDirectory()); 14574 14575 final long sizeBytes = mContainerService.calculateInstalledSize( 14576 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 14577 14578 try { 14579 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0); 14580 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 14581 installFlags, packageAbiOverride); 14582 } catch (InstallerException e) { 14583 Slog.w(TAG, "Failed to free cache", e); 14584 } 14585 14586 /* 14587 * The cache free must have deleted the file we 14588 * downloaded to install. 14589 * 14590 * TODO: fix the "freeCache" call to not delete 14591 * the file we care about. 14592 */ 14593 if (pkgLite.recommendedInstallLocation 14594 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14595 pkgLite.recommendedInstallLocation 14596 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 14597 } 14598 } 14599 } 14600 14601 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14602 int loc = pkgLite.recommendedInstallLocation; 14603 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 14604 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14605 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 14606 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 14607 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14608 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14609 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 14610 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 14611 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14612 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 14613 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 14614 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 14615 } else { 14616 // Override with defaults if needed. 14617 loc = installLocationPolicy(pkgLite); 14618 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 14619 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 14620 } else if (!onSd && !onInt) { 14621 // Override install location with flags 14622 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 14623 // Set the flag to install on external media. 14624 installFlags |= PackageManager.INSTALL_EXTERNAL; 14625 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14626 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 14627 if (DEBUG_EPHEMERAL) { 14628 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 14629 } 14630 installFlags |= PackageManager.INSTALL_INSTANT_APP; 14631 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 14632 |PackageManager.INSTALL_INTERNAL); 14633 } else { 14634 // Make sure the flag for installing on external 14635 // media is unset 14636 installFlags |= PackageManager.INSTALL_INTERNAL; 14637 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14638 } 14639 } 14640 } 14641 } 14642 14643 final InstallArgs args = createInstallArgs(this); 14644 mArgs = args; 14645 14646 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14647 // TODO: http://b/22976637 14648 // Apps installed for "all" users use the device owner to verify the app 14649 UserHandle verifierUser = getUser(); 14650 if (verifierUser == UserHandle.ALL) { 14651 verifierUser = UserHandle.SYSTEM; 14652 } 14653 14654 /* 14655 * Determine if we have any installed package verifiers. If we 14656 * do, then we'll defer to them to verify the packages. 14657 */ 14658 final int requiredUid = mRequiredVerifierPackage == null ? -1 14659 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 14660 verifierUser.getIdentifier()); 14661 if (!origin.existing && requiredUid != -1 14662 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 14663 final Intent verification = new Intent( 14664 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 14665 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 14666 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 14667 PACKAGE_MIME_TYPE); 14668 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14669 14670 // Query all live verifiers based on current user state 14671 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 14672 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 14673 14674 if (DEBUG_VERIFY) { 14675 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 14676 + verification.toString() + " with " + pkgLite.verifiers.length 14677 + " optional verifiers"); 14678 } 14679 14680 final int verificationId = mPendingVerificationToken++; 14681 14682 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14683 14684 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 14685 installerPackageName); 14686 14687 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 14688 installFlags); 14689 14690 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 14691 pkgLite.packageName); 14692 14693 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 14694 pkgLite.versionCode); 14695 14696 if (verificationInfo != null) { 14697 if (verificationInfo.originatingUri != null) { 14698 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 14699 verificationInfo.originatingUri); 14700 } 14701 if (verificationInfo.referrer != null) { 14702 verification.putExtra(Intent.EXTRA_REFERRER, 14703 verificationInfo.referrer); 14704 } 14705 if (verificationInfo.originatingUid >= 0) { 14706 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 14707 verificationInfo.originatingUid); 14708 } 14709 if (verificationInfo.installerUid >= 0) { 14710 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 14711 verificationInfo.installerUid); 14712 } 14713 } 14714 14715 final PackageVerificationState verificationState = new PackageVerificationState( 14716 requiredUid, args); 14717 14718 mPendingVerification.append(verificationId, verificationState); 14719 14720 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 14721 receivers, verificationState); 14722 14723 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 14724 final long idleDuration = getVerificationTimeout(); 14725 14726 /* 14727 * If any sufficient verifiers were listed in the package 14728 * manifest, attempt to ask them. 14729 */ 14730 if (sufficientVerifiers != null) { 14731 final int N = sufficientVerifiers.size(); 14732 if (N == 0) { 14733 Slog.i(TAG, "Additional verifiers required, but none installed."); 14734 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 14735 } else { 14736 for (int i = 0; i < N; i++) { 14737 final ComponentName verifierComponent = sufficientVerifiers.get(i); 14738 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14739 verifierComponent.getPackageName(), idleDuration, 14740 verifierUser.getIdentifier(), false, "package verifier"); 14741 14742 final Intent sufficientIntent = new Intent(verification); 14743 sufficientIntent.setComponent(verifierComponent); 14744 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 14745 } 14746 } 14747 } 14748 14749 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 14750 mRequiredVerifierPackage, receivers); 14751 if (ret == PackageManager.INSTALL_SUCCEEDED 14752 && mRequiredVerifierPackage != null) { 14753 Trace.asyncTraceBegin( 14754 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 14755 /* 14756 * Send the intent to the required verification agent, 14757 * but only start the verification timeout after the 14758 * target BroadcastReceivers have run. 14759 */ 14760 verification.setComponent(requiredVerifierComponent); 14761 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14762 requiredVerifierComponent.getPackageName(), idleDuration, 14763 verifierUser.getIdentifier(), false, "package verifier"); 14764 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 14765 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14766 new BroadcastReceiver() { 14767 @Override 14768 public void onReceive(Context context, Intent intent) { 14769 final Message msg = mHandler 14770 .obtainMessage(CHECK_PENDING_VERIFICATION); 14771 msg.arg1 = verificationId; 14772 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 14773 } 14774 }, null, 0, null, null); 14775 14776 /* 14777 * We don't want the copy to proceed until verification 14778 * succeeds, so null out this field. 14779 */ 14780 mArgs = null; 14781 } 14782 } else { 14783 /* 14784 * No package verification is enabled, so immediately start 14785 * the remote call to initiate copy using temporary file. 14786 */ 14787 ret = args.copyApk(mContainerService, true); 14788 } 14789 } 14790 14791 mRet = ret; 14792 } 14793 14794 @Override 14795 void handleReturnCode() { 14796 // If mArgs is null, then MCS couldn't be reached. When it 14797 // reconnects, it will try again to install. At that point, this 14798 // will succeed. 14799 if (mArgs != null) { 14800 processPendingInstall(mArgs, mRet); 14801 } 14802 } 14803 14804 @Override 14805 void handleServiceError() { 14806 mArgs = createInstallArgs(this); 14807 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14808 } 14809 14810 public boolean isForwardLocked() { 14811 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14812 } 14813 } 14814 14815 /** 14816 * Used during creation of InstallArgs 14817 * 14818 * @param installFlags package installation flags 14819 * @return true if should be installed on external storage 14820 */ 14821 private static boolean installOnExternalAsec(int installFlags) { 14822 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 14823 return false; 14824 } 14825 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 14826 return true; 14827 } 14828 return false; 14829 } 14830 14831 /** 14832 * Used during creation of InstallArgs 14833 * 14834 * @param installFlags package installation flags 14835 * @return true if should be installed as forward locked 14836 */ 14837 private static boolean installForwardLocked(int installFlags) { 14838 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14839 } 14840 14841 private InstallArgs createInstallArgs(InstallParams params) { 14842 if (params.move != null) { 14843 return new MoveInstallArgs(params); 14844 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 14845 return new AsecInstallArgs(params); 14846 } else { 14847 return new FileInstallArgs(params); 14848 } 14849 } 14850 14851 /** 14852 * Create args that describe an existing installed package. Typically used 14853 * when cleaning up old installs, or used as a move source. 14854 */ 14855 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 14856 String resourcePath, String[] instructionSets) { 14857 final boolean isInAsec; 14858 if (installOnExternalAsec(installFlags)) { 14859 /* Apps on SD card are always in ASEC containers. */ 14860 isInAsec = true; 14861 } else if (installForwardLocked(installFlags) 14862 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 14863 /* 14864 * Forward-locked apps are only in ASEC containers if they're the 14865 * new style 14866 */ 14867 isInAsec = true; 14868 } else { 14869 isInAsec = false; 14870 } 14871 14872 if (isInAsec) { 14873 return new AsecInstallArgs(codePath, instructionSets, 14874 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 14875 } else { 14876 return new FileInstallArgs(codePath, resourcePath, instructionSets); 14877 } 14878 } 14879 14880 static abstract class InstallArgs { 14881 /** @see InstallParams#origin */ 14882 final OriginInfo origin; 14883 /** @see InstallParams#move */ 14884 final MoveInfo move; 14885 14886 final IPackageInstallObserver2 observer; 14887 // Always refers to PackageManager flags only 14888 final int installFlags; 14889 final String installerPackageName; 14890 final String volumeUuid; 14891 final UserHandle user; 14892 final String abiOverride; 14893 final String[] installGrantPermissions; 14894 /** If non-null, drop an async trace when the install completes */ 14895 final String traceMethod; 14896 final int traceCookie; 14897 final Certificate[][] certificates; 14898 final int installReason; 14899 14900 // The list of instruction sets supported by this app. This is currently 14901 // only used during the rmdex() phase to clean up resources. We can get rid of this 14902 // if we move dex files under the common app path. 14903 /* nullable */ String[] instructionSets; 14904 14905 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14906 int installFlags, String installerPackageName, String volumeUuid, 14907 UserHandle user, String[] instructionSets, 14908 String abiOverride, String[] installGrantPermissions, 14909 String traceMethod, int traceCookie, Certificate[][] certificates, 14910 int installReason) { 14911 this.origin = origin; 14912 this.move = move; 14913 this.installFlags = installFlags; 14914 this.observer = observer; 14915 this.installerPackageName = installerPackageName; 14916 this.volumeUuid = volumeUuid; 14917 this.user = user; 14918 this.instructionSets = instructionSets; 14919 this.abiOverride = abiOverride; 14920 this.installGrantPermissions = installGrantPermissions; 14921 this.traceMethod = traceMethod; 14922 this.traceCookie = traceCookie; 14923 this.certificates = certificates; 14924 this.installReason = installReason; 14925 } 14926 14927 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 14928 abstract int doPreInstall(int status); 14929 14930 /** 14931 * Rename package into final resting place. All paths on the given 14932 * scanned package should be updated to reflect the rename. 14933 */ 14934 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 14935 abstract int doPostInstall(int status, int uid); 14936 14937 /** @see PackageSettingBase#codePathString */ 14938 abstract String getCodePath(); 14939 /** @see PackageSettingBase#resourcePathString */ 14940 abstract String getResourcePath(); 14941 14942 // Need installer lock especially for dex file removal. 14943 abstract void cleanUpResourcesLI(); 14944 abstract boolean doPostDeleteLI(boolean delete); 14945 14946 /** 14947 * Called before the source arguments are copied. This is used mostly 14948 * for MoveParams when it needs to read the source file to put it in the 14949 * destination. 14950 */ 14951 int doPreCopy() { 14952 return PackageManager.INSTALL_SUCCEEDED; 14953 } 14954 14955 /** 14956 * Called after the source arguments are copied. This is used mostly for 14957 * MoveParams when it needs to read the source file to put it in the 14958 * destination. 14959 */ 14960 int doPostCopy(int uid) { 14961 return PackageManager.INSTALL_SUCCEEDED; 14962 } 14963 14964 protected boolean isFwdLocked() { 14965 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14966 } 14967 14968 protected boolean isExternalAsec() { 14969 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14970 } 14971 14972 protected boolean isEphemeral() { 14973 return (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14974 } 14975 14976 UserHandle getUser() { 14977 return user; 14978 } 14979 } 14980 14981 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 14982 if (!allCodePaths.isEmpty()) { 14983 if (instructionSets == null) { 14984 throw new IllegalStateException("instructionSet == null"); 14985 } 14986 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 14987 for (String codePath : allCodePaths) { 14988 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 14989 try { 14990 mInstaller.rmdex(codePath, dexCodeInstructionSet); 14991 } catch (InstallerException ignored) { 14992 } 14993 } 14994 } 14995 } 14996 } 14997 14998 /** 14999 * Logic to handle installation of non-ASEC applications, including copying 15000 * and renaming logic. 15001 */ 15002 class FileInstallArgs extends InstallArgs { 15003 private File codeFile; 15004 private File resourceFile; 15005 15006 // Example topology: 15007 // /data/app/com.example/base.apk 15008 // /data/app/com.example/split_foo.apk 15009 // /data/app/com.example/lib/arm/libfoo.so 15010 // /data/app/com.example/lib/arm64/libfoo.so 15011 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 15012 15013 /** New install */ 15014 FileInstallArgs(InstallParams params) { 15015 super(params.origin, params.move, params.observer, params.installFlags, 15016 params.installerPackageName, params.volumeUuid, 15017 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 15018 params.grantedRuntimePermissions, 15019 params.traceMethod, params.traceCookie, params.certificates, 15020 params.installReason); 15021 if (isFwdLocked()) { 15022 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 15023 } 15024 } 15025 15026 /** Existing install */ 15027 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 15028 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 15029 null, null, null, 0, null /*certificates*/, 15030 PackageManager.INSTALL_REASON_UNKNOWN); 15031 this.codeFile = (codePath != null) ? new File(codePath) : null; 15032 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 15033 } 15034 15035 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15036 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 15037 try { 15038 return doCopyApk(imcs, temp); 15039 } finally { 15040 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15041 } 15042 } 15043 15044 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15045 if (origin.staged) { 15046 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 15047 codeFile = origin.file; 15048 resourceFile = origin.file; 15049 return PackageManager.INSTALL_SUCCEEDED; 15050 } 15051 15052 try { 15053 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15054 final File tempDir = 15055 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 15056 codeFile = tempDir; 15057 resourceFile = tempDir; 15058 } catch (IOException e) { 15059 Slog.w(TAG, "Failed to create copy file: " + e); 15060 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 15061 } 15062 15063 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 15064 @Override 15065 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 15066 if (!FileUtils.isValidExtFilename(name)) { 15067 throw new IllegalArgumentException("Invalid filename: " + name); 15068 } 15069 try { 15070 final File file = new File(codeFile, name); 15071 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 15072 O_RDWR | O_CREAT, 0644); 15073 Os.chmod(file.getAbsolutePath(), 0644); 15074 return new ParcelFileDescriptor(fd); 15075 } catch (ErrnoException e) { 15076 throw new RemoteException("Failed to open: " + e.getMessage()); 15077 } 15078 } 15079 }; 15080 15081 int ret = PackageManager.INSTALL_SUCCEEDED; 15082 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 15083 if (ret != PackageManager.INSTALL_SUCCEEDED) { 15084 Slog.e(TAG, "Failed to copy package"); 15085 return ret; 15086 } 15087 15088 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 15089 NativeLibraryHelper.Handle handle = null; 15090 try { 15091 handle = NativeLibraryHelper.Handle.create(codeFile); 15092 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 15093 abiOverride); 15094 } catch (IOException e) { 15095 Slog.e(TAG, "Copying native libraries failed", e); 15096 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15097 } finally { 15098 IoUtils.closeQuietly(handle); 15099 } 15100 15101 return ret; 15102 } 15103 15104 int doPreInstall(int status) { 15105 if (status != PackageManager.INSTALL_SUCCEEDED) { 15106 cleanUp(); 15107 } 15108 return status; 15109 } 15110 15111 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15112 if (status != PackageManager.INSTALL_SUCCEEDED) { 15113 cleanUp(); 15114 return false; 15115 } 15116 15117 final File targetDir = codeFile.getParentFile(); 15118 final File beforeCodeFile = codeFile; 15119 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 15120 15121 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 15122 try { 15123 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 15124 } catch (ErrnoException e) { 15125 Slog.w(TAG, "Failed to rename", e); 15126 return false; 15127 } 15128 15129 if (!SELinux.restoreconRecursive(afterCodeFile)) { 15130 Slog.w(TAG, "Failed to restorecon"); 15131 return false; 15132 } 15133 15134 // Reflect the rename internally 15135 codeFile = afterCodeFile; 15136 resourceFile = afterCodeFile; 15137 15138 // Reflect the rename in scanned details 15139 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15140 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15141 afterCodeFile, pkg.baseCodePath)); 15142 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15143 afterCodeFile, pkg.splitCodePaths)); 15144 15145 // Reflect the rename in app info 15146 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15147 pkg.setApplicationInfoCodePath(pkg.codePath); 15148 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15149 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15150 pkg.setApplicationInfoResourcePath(pkg.codePath); 15151 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15152 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15153 15154 return true; 15155 } 15156 15157 int doPostInstall(int status, int uid) { 15158 if (status != PackageManager.INSTALL_SUCCEEDED) { 15159 cleanUp(); 15160 } 15161 return status; 15162 } 15163 15164 @Override 15165 String getCodePath() { 15166 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15167 } 15168 15169 @Override 15170 String getResourcePath() { 15171 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15172 } 15173 15174 private boolean cleanUp() { 15175 if (codeFile == null || !codeFile.exists()) { 15176 return false; 15177 } 15178 15179 removeCodePathLI(codeFile); 15180 15181 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 15182 resourceFile.delete(); 15183 } 15184 15185 return true; 15186 } 15187 15188 void cleanUpResourcesLI() { 15189 // Try enumerating all code paths before deleting 15190 List<String> allCodePaths = Collections.EMPTY_LIST; 15191 if (codeFile != null && codeFile.exists()) { 15192 try { 15193 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15194 allCodePaths = pkg.getAllCodePaths(); 15195 } catch (PackageParserException e) { 15196 // Ignored; we tried our best 15197 } 15198 } 15199 15200 cleanUp(); 15201 removeDexFiles(allCodePaths, instructionSets); 15202 } 15203 15204 boolean doPostDeleteLI(boolean delete) { 15205 // XXX err, shouldn't we respect the delete flag? 15206 cleanUpResourcesLI(); 15207 return true; 15208 } 15209 } 15210 15211 private boolean isAsecExternal(String cid) { 15212 final String asecPath = PackageHelper.getSdFilesystem(cid); 15213 return !asecPath.startsWith(mAsecInternalPath); 15214 } 15215 15216 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 15217 PackageManagerException { 15218 if (copyRet < 0) { 15219 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 15220 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 15221 throw new PackageManagerException(copyRet, message); 15222 } 15223 } 15224 } 15225 15226 /** 15227 * Extract the StorageManagerService "container ID" from the full code path of an 15228 * .apk. 15229 */ 15230 static String cidFromCodePath(String fullCodePath) { 15231 int eidx = fullCodePath.lastIndexOf("/"); 15232 String subStr1 = fullCodePath.substring(0, eidx); 15233 int sidx = subStr1.lastIndexOf("/"); 15234 return subStr1.substring(sidx+1, eidx); 15235 } 15236 15237 /** 15238 * Logic to handle installation of ASEC applications, including copying and 15239 * renaming logic. 15240 */ 15241 class AsecInstallArgs extends InstallArgs { 15242 static final String RES_FILE_NAME = "pkg.apk"; 15243 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 15244 15245 String cid; 15246 String packagePath; 15247 String resourcePath; 15248 15249 /** New install */ 15250 AsecInstallArgs(InstallParams params) { 15251 super(params.origin, params.move, params.observer, params.installFlags, 15252 params.installerPackageName, params.volumeUuid, 15253 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15254 params.grantedRuntimePermissions, 15255 params.traceMethod, params.traceCookie, params.certificates, 15256 params.installReason); 15257 } 15258 15259 /** Existing install */ 15260 AsecInstallArgs(String fullCodePath, String[] instructionSets, 15261 boolean isExternal, boolean isForwardLocked) { 15262 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 15263 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15264 instructionSets, null, null, null, 0, null /*certificates*/, 15265 PackageManager.INSTALL_REASON_UNKNOWN); 15266 // Hackily pretend we're still looking at a full code path 15267 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 15268 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 15269 } 15270 15271 // Extract cid from fullCodePath 15272 int eidx = fullCodePath.lastIndexOf("/"); 15273 String subStr1 = fullCodePath.substring(0, eidx); 15274 int sidx = subStr1.lastIndexOf("/"); 15275 cid = subStr1.substring(sidx+1, eidx); 15276 setMountPath(subStr1); 15277 } 15278 15279 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 15280 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 15281 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15282 instructionSets, null, null, null, 0, null /*certificates*/, 15283 PackageManager.INSTALL_REASON_UNKNOWN); 15284 this.cid = cid; 15285 setMountPath(PackageHelper.getSdDir(cid)); 15286 } 15287 15288 void createCopyFile() { 15289 cid = mInstallerService.allocateExternalStageCidLegacy(); 15290 } 15291 15292 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15293 if (origin.staged && origin.cid != null) { 15294 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 15295 cid = origin.cid; 15296 setMountPath(PackageHelper.getSdDir(cid)); 15297 return PackageManager.INSTALL_SUCCEEDED; 15298 } 15299 15300 if (temp) { 15301 createCopyFile(); 15302 } else { 15303 /* 15304 * Pre-emptively destroy the container since it's destroyed if 15305 * copying fails due to it existing anyway. 15306 */ 15307 PackageHelper.destroySdDir(cid); 15308 } 15309 15310 final String newMountPath = imcs.copyPackageToContainer( 15311 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 15312 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 15313 15314 if (newMountPath != null) { 15315 setMountPath(newMountPath); 15316 return PackageManager.INSTALL_SUCCEEDED; 15317 } else { 15318 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15319 } 15320 } 15321 15322 @Override 15323 String getCodePath() { 15324 return packagePath; 15325 } 15326 15327 @Override 15328 String getResourcePath() { 15329 return resourcePath; 15330 } 15331 15332 int doPreInstall(int status) { 15333 if (status != PackageManager.INSTALL_SUCCEEDED) { 15334 // Destroy container 15335 PackageHelper.destroySdDir(cid); 15336 } else { 15337 boolean mounted = PackageHelper.isContainerMounted(cid); 15338 if (!mounted) { 15339 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 15340 Process.SYSTEM_UID); 15341 if (newMountPath != null) { 15342 setMountPath(newMountPath); 15343 } else { 15344 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15345 } 15346 } 15347 } 15348 return status; 15349 } 15350 15351 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15352 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 15353 String newMountPath = null; 15354 if (PackageHelper.isContainerMounted(cid)) { 15355 // Unmount the container 15356 if (!PackageHelper.unMountSdDir(cid)) { 15357 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 15358 return false; 15359 } 15360 } 15361 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15362 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 15363 " which might be stale. Will try to clean up."); 15364 // Clean up the stale container and proceed to recreate. 15365 if (!PackageHelper.destroySdDir(newCacheId)) { 15366 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 15367 return false; 15368 } 15369 // Successfully cleaned up stale container. Try to rename again. 15370 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15371 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 15372 + " inspite of cleaning it up."); 15373 return false; 15374 } 15375 } 15376 if (!PackageHelper.isContainerMounted(newCacheId)) { 15377 Slog.w(TAG, "Mounting container " + newCacheId); 15378 newMountPath = PackageHelper.mountSdDir(newCacheId, 15379 getEncryptKey(), Process.SYSTEM_UID); 15380 } else { 15381 newMountPath = PackageHelper.getSdDir(newCacheId); 15382 } 15383 if (newMountPath == null) { 15384 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 15385 return false; 15386 } 15387 Log.i(TAG, "Succesfully renamed " + cid + 15388 " to " + newCacheId + 15389 " at new path: " + newMountPath); 15390 cid = newCacheId; 15391 15392 final File beforeCodeFile = new File(packagePath); 15393 setMountPath(newMountPath); 15394 final File afterCodeFile = new File(packagePath); 15395 15396 // Reflect the rename in scanned details 15397 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15398 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15399 afterCodeFile, pkg.baseCodePath)); 15400 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15401 afterCodeFile, pkg.splitCodePaths)); 15402 15403 // Reflect the rename in app info 15404 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15405 pkg.setApplicationInfoCodePath(pkg.codePath); 15406 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15407 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15408 pkg.setApplicationInfoResourcePath(pkg.codePath); 15409 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15410 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15411 15412 return true; 15413 } 15414 15415 private void setMountPath(String mountPath) { 15416 final File mountFile = new File(mountPath); 15417 15418 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 15419 if (monolithicFile.exists()) { 15420 packagePath = monolithicFile.getAbsolutePath(); 15421 if (isFwdLocked()) { 15422 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 15423 } else { 15424 resourcePath = packagePath; 15425 } 15426 } else { 15427 packagePath = mountFile.getAbsolutePath(); 15428 resourcePath = packagePath; 15429 } 15430 } 15431 15432 int doPostInstall(int status, int uid) { 15433 if (status != PackageManager.INSTALL_SUCCEEDED) { 15434 cleanUp(); 15435 } else { 15436 final int groupOwner; 15437 final String protectedFile; 15438 if (isFwdLocked()) { 15439 groupOwner = UserHandle.getSharedAppGid(uid); 15440 protectedFile = RES_FILE_NAME; 15441 } else { 15442 groupOwner = -1; 15443 protectedFile = null; 15444 } 15445 15446 if (uid < Process.FIRST_APPLICATION_UID 15447 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 15448 Slog.e(TAG, "Failed to finalize " + cid); 15449 PackageHelper.destroySdDir(cid); 15450 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15451 } 15452 15453 boolean mounted = PackageHelper.isContainerMounted(cid); 15454 if (!mounted) { 15455 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 15456 } 15457 } 15458 return status; 15459 } 15460 15461 private void cleanUp() { 15462 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 15463 15464 // Destroy secure container 15465 PackageHelper.destroySdDir(cid); 15466 } 15467 15468 private List<String> getAllCodePaths() { 15469 final File codeFile = new File(getCodePath()); 15470 if (codeFile != null && codeFile.exists()) { 15471 try { 15472 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15473 return pkg.getAllCodePaths(); 15474 } catch (PackageParserException e) { 15475 // Ignored; we tried our best 15476 } 15477 } 15478 return Collections.EMPTY_LIST; 15479 } 15480 15481 void cleanUpResourcesLI() { 15482 // Enumerate all code paths before deleting 15483 cleanUpResourcesLI(getAllCodePaths()); 15484 } 15485 15486 private void cleanUpResourcesLI(List<String> allCodePaths) { 15487 cleanUp(); 15488 removeDexFiles(allCodePaths, instructionSets); 15489 } 15490 15491 String getPackageName() { 15492 return getAsecPackageName(cid); 15493 } 15494 15495 boolean doPostDeleteLI(boolean delete) { 15496 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 15497 final List<String> allCodePaths = getAllCodePaths(); 15498 boolean mounted = PackageHelper.isContainerMounted(cid); 15499 if (mounted) { 15500 // Unmount first 15501 if (PackageHelper.unMountSdDir(cid)) { 15502 mounted = false; 15503 } 15504 } 15505 if (!mounted && delete) { 15506 cleanUpResourcesLI(allCodePaths); 15507 } 15508 return !mounted; 15509 } 15510 15511 @Override 15512 int doPreCopy() { 15513 if (isFwdLocked()) { 15514 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 15515 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 15516 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15517 } 15518 } 15519 15520 return PackageManager.INSTALL_SUCCEEDED; 15521 } 15522 15523 @Override 15524 int doPostCopy(int uid) { 15525 if (isFwdLocked()) { 15526 if (uid < Process.FIRST_APPLICATION_UID 15527 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 15528 RES_FILE_NAME)) { 15529 Slog.e(TAG, "Failed to finalize " + cid); 15530 PackageHelper.destroySdDir(cid); 15531 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15532 } 15533 } 15534 15535 return PackageManager.INSTALL_SUCCEEDED; 15536 } 15537 } 15538 15539 /** 15540 * Logic to handle movement of existing installed applications. 15541 */ 15542 class MoveInstallArgs extends InstallArgs { 15543 private File codeFile; 15544 private File resourceFile; 15545 15546 /** New install */ 15547 MoveInstallArgs(InstallParams params) { 15548 super(params.origin, params.move, params.observer, params.installFlags, 15549 params.installerPackageName, params.volumeUuid, 15550 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15551 params.grantedRuntimePermissions, 15552 params.traceMethod, params.traceCookie, params.certificates, 15553 params.installReason); 15554 } 15555 15556 int copyApk(IMediaContainerService imcs, boolean temp) { 15557 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 15558 + move.fromUuid + " to " + move.toUuid); 15559 synchronized (mInstaller) { 15560 try { 15561 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 15562 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 15563 } catch (InstallerException e) { 15564 Slog.w(TAG, "Failed to move app", e); 15565 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15566 } 15567 } 15568 15569 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 15570 resourceFile = codeFile; 15571 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 15572 15573 return PackageManager.INSTALL_SUCCEEDED; 15574 } 15575 15576 int doPreInstall(int status) { 15577 if (status != PackageManager.INSTALL_SUCCEEDED) { 15578 cleanUp(move.toUuid); 15579 } 15580 return status; 15581 } 15582 15583 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15584 if (status != PackageManager.INSTALL_SUCCEEDED) { 15585 cleanUp(move.toUuid); 15586 return false; 15587 } 15588 15589 // Reflect the move in app info 15590 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15591 pkg.setApplicationInfoCodePath(pkg.codePath); 15592 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15593 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15594 pkg.setApplicationInfoResourcePath(pkg.codePath); 15595 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15596 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15597 15598 return true; 15599 } 15600 15601 int doPostInstall(int status, int uid) { 15602 if (status == PackageManager.INSTALL_SUCCEEDED) { 15603 cleanUp(move.fromUuid); 15604 } else { 15605 cleanUp(move.toUuid); 15606 } 15607 return status; 15608 } 15609 15610 @Override 15611 String getCodePath() { 15612 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15613 } 15614 15615 @Override 15616 String getResourcePath() { 15617 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15618 } 15619 15620 private boolean cleanUp(String volumeUuid) { 15621 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 15622 move.dataAppName); 15623 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 15624 final int[] userIds = sUserManager.getUserIds(); 15625 synchronized (mInstallLock) { 15626 // Clean up both app data and code 15627 // All package moves are frozen until finished 15628 for (int userId : userIds) { 15629 try { 15630 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 15631 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 15632 } catch (InstallerException e) { 15633 Slog.w(TAG, String.valueOf(e)); 15634 } 15635 } 15636 removeCodePathLI(codeFile); 15637 } 15638 return true; 15639 } 15640 15641 void cleanUpResourcesLI() { 15642 throw new UnsupportedOperationException(); 15643 } 15644 15645 boolean doPostDeleteLI(boolean delete) { 15646 throw new UnsupportedOperationException(); 15647 } 15648 } 15649 15650 static String getAsecPackageName(String packageCid) { 15651 int idx = packageCid.lastIndexOf("-"); 15652 if (idx == -1) { 15653 return packageCid; 15654 } 15655 return packageCid.substring(0, idx); 15656 } 15657 15658 // Utility method used to create code paths based on package name and available index. 15659 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 15660 String idxStr = ""; 15661 int idx = 1; 15662 // Fall back to default value of idx=1 if prefix is not 15663 // part of oldCodePath 15664 if (oldCodePath != null) { 15665 String subStr = oldCodePath; 15666 // Drop the suffix right away 15667 if (suffix != null && subStr.endsWith(suffix)) { 15668 subStr = subStr.substring(0, subStr.length() - suffix.length()); 15669 } 15670 // If oldCodePath already contains prefix find out the 15671 // ending index to either increment or decrement. 15672 int sidx = subStr.lastIndexOf(prefix); 15673 if (sidx != -1) { 15674 subStr = subStr.substring(sidx + prefix.length()); 15675 if (subStr != null) { 15676 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 15677 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 15678 } 15679 try { 15680 idx = Integer.parseInt(subStr); 15681 if (idx <= 1) { 15682 idx++; 15683 } else { 15684 idx--; 15685 } 15686 } catch(NumberFormatException e) { 15687 } 15688 } 15689 } 15690 } 15691 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 15692 return prefix + idxStr; 15693 } 15694 15695 private File getNextCodePath(File targetDir, String packageName) { 15696 File result; 15697 SecureRandom random = new SecureRandom(); 15698 byte[] bytes = new byte[16]; 15699 do { 15700 random.nextBytes(bytes); 15701 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 15702 result = new File(targetDir, packageName + "-" + suffix); 15703 } while (result.exists()); 15704 return result; 15705 } 15706 15707 // Utility method that returns the relative package path with respect 15708 // to the installation directory. Like say for /data/data/com.test-1.apk 15709 // string com.test-1 is returned. 15710 static String deriveCodePathName(String codePath) { 15711 if (codePath == null) { 15712 return null; 15713 } 15714 final File codeFile = new File(codePath); 15715 final String name = codeFile.getName(); 15716 if (codeFile.isDirectory()) { 15717 return name; 15718 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 15719 final int lastDot = name.lastIndexOf('.'); 15720 return name.substring(0, lastDot); 15721 } else { 15722 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 15723 return null; 15724 } 15725 } 15726 15727 static class PackageInstalledInfo { 15728 String name; 15729 int uid; 15730 // The set of users that originally had this package installed. 15731 int[] origUsers; 15732 // The set of users that now have this package installed. 15733 int[] newUsers; 15734 PackageParser.Package pkg; 15735 int returnCode; 15736 String returnMsg; 15737 PackageRemovedInfo removedInfo; 15738 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 15739 15740 public void setError(int code, String msg) { 15741 setReturnCode(code); 15742 setReturnMessage(msg); 15743 Slog.w(TAG, msg); 15744 } 15745 15746 public void setError(String msg, PackageParserException e) { 15747 setReturnCode(e.error); 15748 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15749 Slog.w(TAG, msg, e); 15750 } 15751 15752 public void setError(String msg, PackageManagerException e) { 15753 returnCode = e.error; 15754 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15755 Slog.w(TAG, msg, e); 15756 } 15757 15758 public void setReturnCode(int returnCode) { 15759 this.returnCode = returnCode; 15760 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15761 for (int i = 0; i < childCount; i++) { 15762 addedChildPackages.valueAt(i).returnCode = returnCode; 15763 } 15764 } 15765 15766 private void setReturnMessage(String returnMsg) { 15767 this.returnMsg = returnMsg; 15768 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15769 for (int i = 0; i < childCount; i++) { 15770 addedChildPackages.valueAt(i).returnMsg = returnMsg; 15771 } 15772 } 15773 15774 // In some error cases we want to convey more info back to the observer 15775 String origPackage; 15776 String origPermission; 15777 } 15778 15779 /* 15780 * Install a non-existing package. 15781 */ 15782 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 15783 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 15784 PackageInstalledInfo res, int installReason) { 15785 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 15786 15787 // Remember this for later, in case we need to rollback this install 15788 String pkgName = pkg.packageName; 15789 15790 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 15791 15792 synchronized(mPackages) { 15793 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 15794 if (renamedPackage != null) { 15795 // A package with the same name is already installed, though 15796 // it has been renamed to an older name. The package we 15797 // are trying to install should be installed as an update to 15798 // the existing one, but that has not been requested, so bail. 15799 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15800 + " without first uninstalling package running as " 15801 + renamedPackage); 15802 return; 15803 } 15804 if (mPackages.containsKey(pkgName)) { 15805 // Don't allow installation over an existing package with the same name. 15806 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15807 + " without first uninstalling."); 15808 return; 15809 } 15810 } 15811 15812 try { 15813 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 15814 System.currentTimeMillis(), user); 15815 15816 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 15817 15818 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15819 prepareAppDataAfterInstallLIF(newPackage); 15820 15821 } else { 15822 // Remove package from internal structures, but keep around any 15823 // data that might have already existed 15824 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 15825 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 15826 } 15827 } catch (PackageManagerException e) { 15828 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15829 } 15830 15831 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15832 } 15833 15834 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 15835 // Can't rotate keys during boot or if sharedUser. 15836 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 15837 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 15838 return false; 15839 } 15840 // app is using upgradeKeySets; make sure all are valid 15841 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15842 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 15843 for (int i = 0; i < upgradeKeySets.length; i++) { 15844 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 15845 Slog.wtf(TAG, "Package " 15846 + (oldPs.name != null ? oldPs.name : "<null>") 15847 + " contains upgrade-key-set reference to unknown key-set: " 15848 + upgradeKeySets[i] 15849 + " reverting to signatures check."); 15850 return false; 15851 } 15852 } 15853 return true; 15854 } 15855 15856 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 15857 // Upgrade keysets are being used. Determine if new package has a superset of the 15858 // required keys. 15859 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 15860 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15861 for (int i = 0; i < upgradeKeySets.length; i++) { 15862 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 15863 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 15864 return true; 15865 } 15866 } 15867 return false; 15868 } 15869 15870 private static void updateDigest(MessageDigest digest, File file) throws IOException { 15871 try (DigestInputStream digestStream = 15872 new DigestInputStream(new FileInputStream(file), digest)) { 15873 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 15874 } 15875 } 15876 15877 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 15878 UserHandle user, String installerPackageName, PackageInstalledInfo res, 15879 int installReason) { 15880 final boolean isInstantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 15881 15882 final PackageParser.Package oldPackage; 15883 final String pkgName = pkg.packageName; 15884 final int[] allUsers; 15885 final int[] installedUsers; 15886 15887 synchronized(mPackages) { 15888 oldPackage = mPackages.get(pkgName); 15889 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 15890 15891 // don't allow upgrade to target a release SDK from a pre-release SDK 15892 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 15893 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15894 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 15895 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15896 if (oldTargetsPreRelease 15897 && !newTargetsPreRelease 15898 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 15899 Slog.w(TAG, "Can't install package targeting released sdk"); 15900 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 15901 return; 15902 } 15903 15904 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15905 15906 // don't allow an upgrade from full to ephemeral 15907 if (isInstantApp && !ps.getInstantApp(user.getIdentifier())) { 15908 // can't downgrade from full to instant 15909 Slog.w(TAG, "Can't replace app with instant app: " + pkgName); 15910 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15911 return; 15912 } 15913 15914 // verify signatures are valid 15915 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15916 if (!checkUpgradeKeySetLP(ps, pkg)) { 15917 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15918 "New package not signed by keys specified by upgrade-keysets: " 15919 + pkgName); 15920 return; 15921 } 15922 } else { 15923 // default to original signature matching 15924 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 15925 != PackageManager.SIGNATURE_MATCH) { 15926 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15927 "New package has a different signature: " + pkgName); 15928 return; 15929 } 15930 } 15931 15932 // don't allow a system upgrade unless the upgrade hash matches 15933 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 15934 byte[] digestBytes = null; 15935 try { 15936 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 15937 updateDigest(digest, new File(pkg.baseCodePath)); 15938 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 15939 for (String path : pkg.splitCodePaths) { 15940 updateDigest(digest, new File(path)); 15941 } 15942 } 15943 digestBytes = digest.digest(); 15944 } catch (NoSuchAlgorithmException | IOException e) { 15945 res.setError(INSTALL_FAILED_INVALID_APK, 15946 "Could not compute hash: " + pkgName); 15947 return; 15948 } 15949 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 15950 res.setError(INSTALL_FAILED_INVALID_APK, 15951 "New package fails restrict-update check: " + pkgName); 15952 return; 15953 } 15954 // retain upgrade restriction 15955 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 15956 } 15957 15958 // Check for shared user id changes 15959 String invalidPackageName = 15960 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 15961 if (invalidPackageName != null) { 15962 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 15963 "Package " + invalidPackageName + " tried to change user " 15964 + oldPackage.mSharedUserId); 15965 return; 15966 } 15967 15968 // In case of rollback, remember per-user/profile install state 15969 allUsers = sUserManager.getUserIds(); 15970 installedUsers = ps.queryInstalledUsers(allUsers, true); 15971 } 15972 15973 // Update what is removed 15974 res.removedInfo = new PackageRemovedInfo(); 15975 res.removedInfo.uid = oldPackage.applicationInfo.uid; 15976 res.removedInfo.removedPackage = oldPackage.packageName; 15977 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 15978 res.removedInfo.isUpdate = true; 15979 res.removedInfo.origUsers = installedUsers; 15980 final PackageSetting ps = mSettings.getPackageLPr(pkgName); 15981 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 15982 for (int i = 0; i < installedUsers.length; i++) { 15983 final int userId = installedUsers[i]; 15984 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 15985 } 15986 15987 final int childCount = (oldPackage.childPackages != null) 15988 ? oldPackage.childPackages.size() : 0; 15989 for (int i = 0; i < childCount; i++) { 15990 boolean childPackageUpdated = false; 15991 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 15992 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15993 if (res.addedChildPackages != null) { 15994 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15995 if (childRes != null) { 15996 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 15997 childRes.removedInfo.removedPackage = childPkg.packageName; 15998 childRes.removedInfo.isUpdate = true; 15999 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 16000 childPackageUpdated = true; 16001 } 16002 } 16003 if (!childPackageUpdated) { 16004 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 16005 childRemovedRes.removedPackage = childPkg.packageName; 16006 childRemovedRes.isUpdate = false; 16007 childRemovedRes.dataRemoved = true; 16008 synchronized (mPackages) { 16009 if (childPs != null) { 16010 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 16011 } 16012 } 16013 if (res.removedInfo.removedChildPackages == null) { 16014 res.removedInfo.removedChildPackages = new ArrayMap<>(); 16015 } 16016 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 16017 } 16018 } 16019 16020 boolean sysPkg = (isSystemApp(oldPackage)); 16021 if (sysPkg) { 16022 // Set the system/privileged flags as needed 16023 final boolean privileged = 16024 (oldPackage.applicationInfo.privateFlags 16025 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 16026 final int systemPolicyFlags = policyFlags 16027 | PackageParser.PARSE_IS_SYSTEM 16028 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 16029 16030 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 16031 user, allUsers, installerPackageName, res, installReason); 16032 } else { 16033 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 16034 user, allUsers, installerPackageName, res, installReason); 16035 } 16036 } 16037 16038 public List<String> getPreviousCodePaths(String packageName) { 16039 final PackageSetting ps = mSettings.mPackages.get(packageName); 16040 final List<String> result = new ArrayList<String>(); 16041 if (ps != null && ps.oldCodePaths != null) { 16042 result.addAll(ps.oldCodePaths); 16043 } 16044 return result; 16045 } 16046 16047 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 16048 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 16049 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16050 int installReason) { 16051 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 16052 + deletedPackage); 16053 16054 String pkgName = deletedPackage.packageName; 16055 boolean deletedPkg = true; 16056 boolean addedPkg = false; 16057 boolean updatedSettings = false; 16058 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 16059 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 16060 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 16061 16062 final long origUpdateTime = (pkg.mExtras != null) 16063 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 16064 16065 // First delete the existing package while retaining the data directory 16066 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16067 res.removedInfo, true, pkg)) { 16068 // If the existing package wasn't successfully deleted 16069 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 16070 deletedPkg = false; 16071 } else { 16072 // Successfully deleted the old package; proceed with replace. 16073 16074 // If deleted package lived in a container, give users a chance to 16075 // relinquish resources before killing. 16076 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 16077 if (DEBUG_INSTALL) { 16078 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 16079 } 16080 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 16081 final ArrayList<String> pkgList = new ArrayList<String>(1); 16082 pkgList.add(deletedPackage.applicationInfo.packageName); 16083 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 16084 } 16085 16086 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16087 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16088 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16089 16090 try { 16091 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 16092 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 16093 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16094 installReason); 16095 16096 // Update the in-memory copy of the previous code paths. 16097 PackageSetting ps = mSettings.mPackages.get(pkgName); 16098 if (!killApp) { 16099 if (ps.oldCodePaths == null) { 16100 ps.oldCodePaths = new ArraySet<>(); 16101 } 16102 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 16103 if (deletedPackage.splitCodePaths != null) { 16104 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 16105 } 16106 } else { 16107 ps.oldCodePaths = null; 16108 } 16109 if (ps.childPackageNames != null) { 16110 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 16111 final String childPkgName = ps.childPackageNames.get(i); 16112 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 16113 childPs.oldCodePaths = ps.oldCodePaths; 16114 } 16115 } 16116 // set instant app status, but, only if it's explicitly specified 16117 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 16118 final boolean fullApp = (scanFlags & SCAN_AS_FULL_APP) != 0; 16119 setInstantAppForUser(ps, user.getIdentifier(), instantApp, fullApp); 16120 prepareAppDataAfterInstallLIF(newPackage); 16121 addedPkg = true; 16122 } catch (PackageManagerException e) { 16123 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16124 } 16125 } 16126 16127 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16128 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 16129 16130 // Revert all internal state mutations and added folders for the failed install 16131 if (addedPkg) { 16132 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16133 res.removedInfo, true, null); 16134 } 16135 16136 // Restore the old package 16137 if (deletedPkg) { 16138 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 16139 File restoreFile = new File(deletedPackage.codePath); 16140 // Parse old package 16141 boolean oldExternal = isExternal(deletedPackage); 16142 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 16143 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 16144 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 16145 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 16146 try { 16147 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 16148 null); 16149 } catch (PackageManagerException e) { 16150 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 16151 + e.getMessage()); 16152 return; 16153 } 16154 16155 synchronized (mPackages) { 16156 // Ensure the installer package name up to date 16157 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16158 16159 // Update permissions for restored package 16160 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16161 16162 mSettings.writeLPr(); 16163 } 16164 16165 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 16166 } 16167 } else { 16168 synchronized (mPackages) { 16169 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 16170 if (ps != null) { 16171 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16172 if (res.removedInfo.removedChildPackages != null) { 16173 final int childCount = res.removedInfo.removedChildPackages.size(); 16174 // Iterate in reverse as we may modify the collection 16175 for (int i = childCount - 1; i >= 0; i--) { 16176 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 16177 if (res.addedChildPackages.containsKey(childPackageName)) { 16178 res.removedInfo.removedChildPackages.removeAt(i); 16179 } else { 16180 PackageRemovedInfo childInfo = res.removedInfo 16181 .removedChildPackages.valueAt(i); 16182 childInfo.removedForAllUsers = mPackages.get( 16183 childInfo.removedPackage) == null; 16184 } 16185 } 16186 } 16187 } 16188 } 16189 } 16190 } 16191 16192 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 16193 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 16194 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16195 int installReason) { 16196 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 16197 + ", old=" + deletedPackage); 16198 16199 final boolean disabledSystem; 16200 16201 // Remove existing system package 16202 removePackageLI(deletedPackage, true); 16203 16204 synchronized (mPackages) { 16205 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 16206 } 16207 if (!disabledSystem) { 16208 // We didn't need to disable the .apk as a current system package, 16209 // which means we are replacing another update that is already 16210 // installed. We need to make sure to delete the older one's .apk. 16211 res.removedInfo.args = createInstallArgsForExisting(0, 16212 deletedPackage.applicationInfo.getCodePath(), 16213 deletedPackage.applicationInfo.getResourcePath(), 16214 getAppDexInstructionSets(deletedPackage.applicationInfo)); 16215 } else { 16216 res.removedInfo.args = null; 16217 } 16218 16219 // Successfully disabled the old package. Now proceed with re-installation 16220 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16221 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16222 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16223 16224 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16225 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 16226 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 16227 16228 PackageParser.Package newPackage = null; 16229 try { 16230 // Add the package to the internal data structures 16231 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 16232 16233 // Set the update and install times 16234 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 16235 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 16236 System.currentTimeMillis()); 16237 16238 // Update the package dynamic state if succeeded 16239 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16240 // Now that the install succeeded make sure we remove data 16241 // directories for any child package the update removed. 16242 final int deletedChildCount = (deletedPackage.childPackages != null) 16243 ? deletedPackage.childPackages.size() : 0; 16244 final int newChildCount = (newPackage.childPackages != null) 16245 ? newPackage.childPackages.size() : 0; 16246 for (int i = 0; i < deletedChildCount; i++) { 16247 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 16248 boolean childPackageDeleted = true; 16249 for (int j = 0; j < newChildCount; j++) { 16250 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 16251 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 16252 childPackageDeleted = false; 16253 break; 16254 } 16255 } 16256 if (childPackageDeleted) { 16257 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 16258 deletedChildPkg.packageName); 16259 if (ps != null && res.removedInfo.removedChildPackages != null) { 16260 PackageRemovedInfo removedChildRes = res.removedInfo 16261 .removedChildPackages.get(deletedChildPkg.packageName); 16262 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 16263 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 16264 } 16265 } 16266 } 16267 16268 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16269 installReason); 16270 prepareAppDataAfterInstallLIF(newPackage); 16271 } 16272 } catch (PackageManagerException e) { 16273 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 16274 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16275 } 16276 16277 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16278 // Re installation failed. Restore old information 16279 // Remove new pkg information 16280 if (newPackage != null) { 16281 removeInstalledPackageLI(newPackage, true); 16282 } 16283 // Add back the old system package 16284 try { 16285 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 16286 } catch (PackageManagerException e) { 16287 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 16288 } 16289 16290 synchronized (mPackages) { 16291 if (disabledSystem) { 16292 enableSystemPackageLPw(deletedPackage); 16293 } 16294 16295 // Ensure the installer package name up to date 16296 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16297 16298 // Update permissions for restored package 16299 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16300 16301 mSettings.writeLPr(); 16302 } 16303 16304 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 16305 + " after failed upgrade"); 16306 } 16307 } 16308 16309 /** 16310 * Checks whether the parent or any of the child packages have a change shared 16311 * user. For a package to be a valid update the shred users of the parent and 16312 * the children should match. We may later support changing child shared users. 16313 * @param oldPkg The updated package. 16314 * @param newPkg The update package. 16315 * @return The shared user that change between the versions. 16316 */ 16317 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 16318 PackageParser.Package newPkg) { 16319 // Check parent shared user 16320 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 16321 return newPkg.packageName; 16322 } 16323 // Check child shared users 16324 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16325 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 16326 for (int i = 0; i < newChildCount; i++) { 16327 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 16328 // If this child was present, did it have the same shared user? 16329 for (int j = 0; j < oldChildCount; j++) { 16330 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 16331 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 16332 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 16333 return newChildPkg.packageName; 16334 } 16335 } 16336 } 16337 return null; 16338 } 16339 16340 private void removeNativeBinariesLI(PackageSetting ps) { 16341 // Remove the lib path for the parent package 16342 if (ps != null) { 16343 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 16344 // Remove the lib path for the child packages 16345 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16346 for (int i = 0; i < childCount; i++) { 16347 PackageSetting childPs = null; 16348 synchronized (mPackages) { 16349 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16350 } 16351 if (childPs != null) { 16352 NativeLibraryHelper.removeNativeBinariesLI(childPs 16353 .legacyNativeLibraryPathString); 16354 } 16355 } 16356 } 16357 } 16358 16359 private void enableSystemPackageLPw(PackageParser.Package pkg) { 16360 // Enable the parent package 16361 mSettings.enableSystemPackageLPw(pkg.packageName); 16362 // Enable the child packages 16363 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16364 for (int i = 0; i < childCount; i++) { 16365 PackageParser.Package childPkg = pkg.childPackages.get(i); 16366 mSettings.enableSystemPackageLPw(childPkg.packageName); 16367 } 16368 } 16369 16370 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 16371 PackageParser.Package newPkg) { 16372 // Disable the parent package (parent always replaced) 16373 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 16374 // Disable the child packages 16375 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16376 for (int i = 0; i < childCount; i++) { 16377 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 16378 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 16379 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 16380 } 16381 return disabled; 16382 } 16383 16384 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 16385 String installerPackageName) { 16386 // Enable the parent package 16387 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 16388 // Enable the child packages 16389 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16390 for (int i = 0; i < childCount; i++) { 16391 PackageParser.Package childPkg = pkg.childPackages.get(i); 16392 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 16393 } 16394 } 16395 16396 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 16397 // Collect all used permissions in the UID 16398 ArraySet<String> usedPermissions = new ArraySet<>(); 16399 final int packageCount = su.packages.size(); 16400 for (int i = 0; i < packageCount; i++) { 16401 PackageSetting ps = su.packages.valueAt(i); 16402 if (ps.pkg == null) { 16403 continue; 16404 } 16405 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 16406 for (int j = 0; j < requestedPermCount; j++) { 16407 String permission = ps.pkg.requestedPermissions.get(j); 16408 BasePermission bp = mSettings.mPermissions.get(permission); 16409 if (bp != null) { 16410 usedPermissions.add(permission); 16411 } 16412 } 16413 } 16414 16415 PermissionsState permissionsState = su.getPermissionsState(); 16416 // Prune install permissions 16417 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 16418 final int installPermCount = installPermStates.size(); 16419 for (int i = installPermCount - 1; i >= 0; i--) { 16420 PermissionState permissionState = installPermStates.get(i); 16421 if (!usedPermissions.contains(permissionState.getName())) { 16422 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16423 if (bp != null) { 16424 permissionsState.revokeInstallPermission(bp); 16425 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 16426 PackageManager.MASK_PERMISSION_FLAGS, 0); 16427 } 16428 } 16429 } 16430 16431 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 16432 16433 // Prune runtime permissions 16434 for (int userId : allUserIds) { 16435 List<PermissionState> runtimePermStates = permissionsState 16436 .getRuntimePermissionStates(userId); 16437 final int runtimePermCount = runtimePermStates.size(); 16438 for (int i = runtimePermCount - 1; i >= 0; i--) { 16439 PermissionState permissionState = runtimePermStates.get(i); 16440 if (!usedPermissions.contains(permissionState.getName())) { 16441 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16442 if (bp != null) { 16443 permissionsState.revokeRuntimePermission(bp, userId); 16444 permissionsState.updatePermissionFlags(bp, userId, 16445 PackageManager.MASK_PERMISSION_FLAGS, 0); 16446 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 16447 runtimePermissionChangedUserIds, userId); 16448 } 16449 } 16450 } 16451 } 16452 16453 return runtimePermissionChangedUserIds; 16454 } 16455 16456 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 16457 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 16458 // Update the parent package setting 16459 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 16460 res, user, installReason); 16461 // Update the child packages setting 16462 final int childCount = (newPackage.childPackages != null) 16463 ? newPackage.childPackages.size() : 0; 16464 for (int i = 0; i < childCount; i++) { 16465 PackageParser.Package childPackage = newPackage.childPackages.get(i); 16466 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 16467 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 16468 childRes.origUsers, childRes, user, installReason); 16469 } 16470 } 16471 16472 private void updateSettingsInternalLI(PackageParser.Package newPackage, 16473 String installerPackageName, int[] allUsers, int[] installedForUsers, 16474 PackageInstalledInfo res, UserHandle user, int installReason) { 16475 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 16476 16477 String pkgName = newPackage.packageName; 16478 synchronized (mPackages) { 16479 //write settings. the installStatus will be incomplete at this stage. 16480 //note that the new package setting would have already been 16481 //added to mPackages. It hasn't been persisted yet. 16482 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 16483 // TODO: Remove this write? It's also written at the end of this method 16484 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16485 mSettings.writeLPr(); 16486 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16487 } 16488 16489 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 16490 synchronized (mPackages) { 16491 updatePermissionsLPw(newPackage.packageName, newPackage, 16492 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 16493 ? UPDATE_PERMISSIONS_ALL : 0)); 16494 // For system-bundled packages, we assume that installing an upgraded version 16495 // of the package implies that the user actually wants to run that new code, 16496 // so we enable the package. 16497 PackageSetting ps = mSettings.mPackages.get(pkgName); 16498 final int userId = user.getIdentifier(); 16499 if (ps != null) { 16500 if (isSystemApp(newPackage)) { 16501 if (DEBUG_INSTALL) { 16502 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 16503 } 16504 // Enable system package for requested users 16505 if (res.origUsers != null) { 16506 for (int origUserId : res.origUsers) { 16507 if (userId == UserHandle.USER_ALL || userId == origUserId) { 16508 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 16509 origUserId, installerPackageName); 16510 } 16511 } 16512 } 16513 // Also convey the prior install/uninstall state 16514 if (allUsers != null && installedForUsers != null) { 16515 for (int currentUserId : allUsers) { 16516 final boolean installed = ArrayUtils.contains( 16517 installedForUsers, currentUserId); 16518 if (DEBUG_INSTALL) { 16519 Slog.d(TAG, " user " + currentUserId + " => " + installed); 16520 } 16521 ps.setInstalled(installed, currentUserId); 16522 } 16523 // these install state changes will be persisted in the 16524 // upcoming call to mSettings.writeLPr(). 16525 } 16526 } 16527 // It's implied that when a user requests installation, they want the app to be 16528 // installed and enabled. 16529 if (userId != UserHandle.USER_ALL) { 16530 ps.setInstalled(true, userId); 16531 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 16532 } 16533 16534 // When replacing an existing package, preserve the original install reason for all 16535 // users that had the package installed before. 16536 final Set<Integer> previousUserIds = new ArraySet<>(); 16537 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 16538 final int installReasonCount = res.removedInfo.installReasons.size(); 16539 for (int i = 0; i < installReasonCount; i++) { 16540 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 16541 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 16542 ps.setInstallReason(previousInstallReason, previousUserId); 16543 previousUserIds.add(previousUserId); 16544 } 16545 } 16546 16547 // Set install reason for users that are having the package newly installed. 16548 if (userId == UserHandle.USER_ALL) { 16549 for (int currentUserId : sUserManager.getUserIds()) { 16550 if (!previousUserIds.contains(currentUserId)) { 16551 ps.setInstallReason(installReason, currentUserId); 16552 } 16553 } 16554 } else if (!previousUserIds.contains(userId)) { 16555 ps.setInstallReason(installReason, userId); 16556 } 16557 mSettings.writeKernelMappingLPr(ps); 16558 } 16559 res.name = pkgName; 16560 res.uid = newPackage.applicationInfo.uid; 16561 res.pkg = newPackage; 16562 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 16563 mSettings.setInstallerPackageName(pkgName, installerPackageName); 16564 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16565 //to update install status 16566 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16567 mSettings.writeLPr(); 16568 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16569 } 16570 16571 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16572 } 16573 16574 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 16575 try { 16576 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 16577 installPackageLI(args, res); 16578 } finally { 16579 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16580 } 16581 } 16582 16583 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 16584 final int installFlags = args.installFlags; 16585 final String installerPackageName = args.installerPackageName; 16586 final String volumeUuid = args.volumeUuid; 16587 final File tmpPackageFile = new File(args.getCodePath()); 16588 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 16589 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 16590 || (args.volumeUuid != null)); 16591 final boolean instantApp = ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0); 16592 final boolean fullApp = ((installFlags & PackageManager.INSTALL_FULL_APP) != 0); 16593 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 16594 boolean replace = false; 16595 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 16596 if (args.move != null) { 16597 // moving a complete application; perform an initial scan on the new install location 16598 scanFlags |= SCAN_INITIAL; 16599 } 16600 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 16601 scanFlags |= SCAN_DONT_KILL_APP; 16602 } 16603 if (instantApp) { 16604 scanFlags |= SCAN_AS_INSTANT_APP; 16605 } 16606 if (fullApp) { 16607 scanFlags |= SCAN_AS_FULL_APP; 16608 } 16609 16610 // Result object to be returned 16611 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16612 16613 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 16614 16615 // Sanity check 16616 if (instantApp && (forwardLocked || onExternal)) { 16617 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 16618 + " external=" + onExternal); 16619 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16620 return; 16621 } 16622 16623 // Retrieve PackageSettings and parse package 16624 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 16625 | PackageParser.PARSE_ENFORCE_CODE 16626 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 16627 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 16628 | (instantApp ? PackageParser.PARSE_IS_EPHEMERAL : 0) 16629 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 16630 PackageParser pp = new PackageParser(); 16631 pp.setSeparateProcesses(mSeparateProcesses); 16632 pp.setDisplayMetrics(mMetrics); 16633 16634 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 16635 final PackageParser.Package pkg; 16636 try { 16637 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 16638 } catch (PackageParserException e) { 16639 res.setError("Failed parse during installPackageLI", e); 16640 return; 16641 } finally { 16642 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16643 } 16644 16645// // Ephemeral apps must have target SDK >= O. 16646// // TODO: Update conditional and error message when O gets locked down 16647// if (instantApp && pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.N_MR1) { 16648// res.setError(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID, 16649// "Ephemeral apps must have target SDK version of at least O"); 16650// return; 16651// } 16652 16653 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16654 // Static shared libraries have synthetic package names 16655 renameStaticSharedLibraryPackage(pkg); 16656 16657 // No static shared libs on external storage 16658 if (onExternal) { 16659 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 16660 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16661 "Packages declaring static-shared libs cannot be updated"); 16662 return; 16663 } 16664 } 16665 16666 // If we are installing a clustered package add results for the children 16667 if (pkg.childPackages != null) { 16668 synchronized (mPackages) { 16669 final int childCount = pkg.childPackages.size(); 16670 for (int i = 0; i < childCount; i++) { 16671 PackageParser.Package childPkg = pkg.childPackages.get(i); 16672 PackageInstalledInfo childRes = new PackageInstalledInfo(); 16673 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16674 childRes.pkg = childPkg; 16675 childRes.name = childPkg.packageName; 16676 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16677 if (childPs != null) { 16678 childRes.origUsers = childPs.queryInstalledUsers( 16679 sUserManager.getUserIds(), true); 16680 } 16681 if ((mPackages.containsKey(childPkg.packageName))) { 16682 childRes.removedInfo = new PackageRemovedInfo(); 16683 childRes.removedInfo.removedPackage = childPkg.packageName; 16684 } 16685 if (res.addedChildPackages == null) { 16686 res.addedChildPackages = new ArrayMap<>(); 16687 } 16688 res.addedChildPackages.put(childPkg.packageName, childRes); 16689 } 16690 } 16691 } 16692 16693 // If package doesn't declare API override, mark that we have an install 16694 // time CPU ABI override. 16695 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 16696 pkg.cpuAbiOverride = args.abiOverride; 16697 } 16698 16699 String pkgName = res.name = pkg.packageName; 16700 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 16701 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 16702 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 16703 return; 16704 } 16705 } 16706 16707 try { 16708 // either use what we've been given or parse directly from the APK 16709 if (args.certificates != null) { 16710 try { 16711 PackageParser.populateCertificates(pkg, args.certificates); 16712 } catch (PackageParserException e) { 16713 // there was something wrong with the certificates we were given; 16714 // try to pull them from the APK 16715 PackageParser.collectCertificates(pkg, parseFlags); 16716 } 16717 } else { 16718 PackageParser.collectCertificates(pkg, parseFlags); 16719 } 16720 } catch (PackageParserException e) { 16721 res.setError("Failed collect during installPackageLI", e); 16722 return; 16723 } 16724 16725 // Get rid of all references to package scan path via parser. 16726 pp = null; 16727 String oldCodePath = null; 16728 boolean systemApp = false; 16729 synchronized (mPackages) { 16730 // Check if installing already existing package 16731 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 16732 String oldName = mSettings.getRenamedPackageLPr(pkgName); 16733 if (pkg.mOriginalPackages != null 16734 && pkg.mOriginalPackages.contains(oldName) 16735 && mPackages.containsKey(oldName)) { 16736 // This package is derived from an original package, 16737 // and this device has been updating from that original 16738 // name. We must continue using the original name, so 16739 // rename the new package here. 16740 pkg.setPackageName(oldName); 16741 pkgName = pkg.packageName; 16742 replace = true; 16743 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 16744 + oldName + " pkgName=" + pkgName); 16745 } else if (mPackages.containsKey(pkgName)) { 16746 // This package, under its official name, already exists 16747 // on the device; we should replace it. 16748 replace = true; 16749 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 16750 } 16751 16752 // Child packages are installed through the parent package 16753 if (pkg.parentPackage != null) { 16754 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16755 "Package " + pkg.packageName + " is child of package " 16756 + pkg.parentPackage.parentPackage + ". Child packages " 16757 + "can be updated only through the parent package."); 16758 return; 16759 } 16760 16761 if (replace) { 16762 // Prevent apps opting out from runtime permissions 16763 PackageParser.Package oldPackage = mPackages.get(pkgName); 16764 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 16765 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 16766 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 16767 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 16768 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 16769 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 16770 + " doesn't support runtime permissions but the old" 16771 + " target SDK " + oldTargetSdk + " does."); 16772 return; 16773 } 16774 16775 // Prevent installing of child packages 16776 if (oldPackage.parentPackage != null) { 16777 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16778 "Package " + pkg.packageName + " is child of package " 16779 + oldPackage.parentPackage + ". Child packages " 16780 + "can be updated only through the parent package."); 16781 return; 16782 } 16783 } 16784 } 16785 16786 PackageSetting ps = mSettings.mPackages.get(pkgName); 16787 if (ps != null) { 16788 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 16789 16790 // Static shared libs have same package with different versions where 16791 // we internally use a synthetic package name to allow multiple versions 16792 // of the same package, therefore we need to compare signatures against 16793 // the package setting for the latest library version. 16794 PackageSetting signatureCheckPs = ps; 16795 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16796 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 16797 if (libraryEntry != null) { 16798 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 16799 } 16800 } 16801 16802 // Quick sanity check that we're signed correctly if updating; 16803 // we'll check this again later when scanning, but we want to 16804 // bail early here before tripping over redefined permissions. 16805 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 16806 if (!checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 16807 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 16808 + pkg.packageName + " upgrade keys do not match the " 16809 + "previously installed version"); 16810 return; 16811 } 16812 } else { 16813 try { 16814 verifySignaturesLP(signatureCheckPs, pkg); 16815 } catch (PackageManagerException e) { 16816 res.setError(e.error, e.getMessage()); 16817 return; 16818 } 16819 } 16820 16821 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 16822 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 16823 systemApp = (ps.pkg.applicationInfo.flags & 16824 ApplicationInfo.FLAG_SYSTEM) != 0; 16825 } 16826 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16827 } 16828 16829 // Check whether the newly-scanned package wants to define an already-defined perm 16830 int N = pkg.permissions.size(); 16831 for (int i = N-1; i >= 0; i--) { 16832 PackageParser.Permission perm = pkg.permissions.get(i); 16833 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 16834 if (bp != null) { 16835 // If the defining package is signed with our cert, it's okay. This 16836 // also includes the "updating the same package" case, of course. 16837 // "updating same package" could also involve key-rotation. 16838 final boolean sigsOk; 16839 if (bp.sourcePackage.equals(pkg.packageName) 16840 && (bp.packageSetting instanceof PackageSetting) 16841 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 16842 scanFlags))) { 16843 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 16844 } else { 16845 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 16846 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 16847 } 16848 if (!sigsOk) { 16849 // If the owning package is the system itself, we log but allow 16850 // install to proceed; we fail the install on all other permission 16851 // redefinitions. 16852 if (!bp.sourcePackage.equals("android")) { 16853 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 16854 + pkg.packageName + " attempting to redeclare permission " 16855 + perm.info.name + " already owned by " + bp.sourcePackage); 16856 res.origPermission = perm.info.name; 16857 res.origPackage = bp.sourcePackage; 16858 return; 16859 } else { 16860 Slog.w(TAG, "Package " + pkg.packageName 16861 + " attempting to redeclare system permission " 16862 + perm.info.name + "; ignoring new declaration"); 16863 pkg.permissions.remove(i); 16864 } 16865 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16866 // Prevent apps to change protection level to dangerous from any other 16867 // type as this would allow a privilege escalation where an app adds a 16868 // normal/signature permission in other app's group and later redefines 16869 // it as dangerous leading to the group auto-grant. 16870 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 16871 == PermissionInfo.PROTECTION_DANGEROUS) { 16872 if (bp != null && !bp.isRuntime()) { 16873 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 16874 + "non-runtime permission " + perm.info.name 16875 + " to runtime; keeping old protection level"); 16876 perm.info.protectionLevel = bp.protectionLevel; 16877 } 16878 } 16879 } 16880 } 16881 } 16882 } 16883 16884 if (systemApp) { 16885 if (onExternal) { 16886 // Abort update; system app can't be replaced with app on sdcard 16887 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16888 "Cannot install updates to system apps on sdcard"); 16889 return; 16890 } else if (instantApp) { 16891 // Abort update; system app can't be replaced with an instant app 16892 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16893 "Cannot update a system app with an instant app"); 16894 return; 16895 } 16896 } 16897 16898 if (args.move != null) { 16899 // We did an in-place move, so dex is ready to roll 16900 scanFlags |= SCAN_NO_DEX; 16901 scanFlags |= SCAN_MOVE; 16902 16903 synchronized (mPackages) { 16904 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16905 if (ps == null) { 16906 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 16907 "Missing settings for moved package " + pkgName); 16908 } 16909 16910 // We moved the entire application as-is, so bring over the 16911 // previously derived ABI information. 16912 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 16913 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 16914 } 16915 16916 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 16917 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 16918 scanFlags |= SCAN_NO_DEX; 16919 16920 try { 16921 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 16922 args.abiOverride : pkg.cpuAbiOverride); 16923 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 16924 true /*extractLibs*/, mAppLib32InstallDir); 16925 } catch (PackageManagerException pme) { 16926 Slog.e(TAG, "Error deriving application ABI", pme); 16927 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 16928 return; 16929 } 16930 16931 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 16932 // Do not run PackageDexOptimizer through the local performDexOpt 16933 // method because `pkg` may not be in `mPackages` yet. 16934 // 16935 // Also, don't fail application installs if the dexopt step fails. 16936 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 16937 null /* instructionSets */, false /* checkProfiles */, 16938 getCompilerFilterForReason(REASON_INSTALL), 16939 getOrCreateCompilerPackageStats(pkg)); 16940 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16941 16942 // Notify BackgroundDexOptJobService that the package has been changed. 16943 // If this is an update of a package which used to fail to compile, 16944 // BDOS will remove it from its blacklist. 16945 // TODO: Layering violation 16946 BackgroundDexOptJobService.notifyPackageChanged(pkg.packageName); 16947 } 16948 16949 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 16950 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 16951 return; 16952 } 16953 16954 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 16955 16956 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 16957 "installPackageLI")) { 16958 if (replace) { 16959 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16960 // Static libs have a synthetic package name containing the version 16961 // and cannot be updated as an update would get a new package name, 16962 // unless this is the exact same version code which is useful for 16963 // development. 16964 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 16965 if (existingPkg != null && existingPkg.mVersionCode != pkg.mVersionCode) { 16966 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 16967 + "static-shared libs cannot be updated"); 16968 return; 16969 } 16970 } 16971 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 16972 installerPackageName, res, args.installReason); 16973 } else { 16974 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 16975 args.user, installerPackageName, volumeUuid, res, args.installReason); 16976 } 16977 } 16978 synchronized (mPackages) { 16979 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16980 if (ps != null) { 16981 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16982 } 16983 16984 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16985 for (int i = 0; i < childCount; i++) { 16986 PackageParser.Package childPkg = pkg.childPackages.get(i); 16987 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16988 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16989 if (childPs != null) { 16990 childRes.newUsers = childPs.queryInstalledUsers( 16991 sUserManager.getUserIds(), true); 16992 } 16993 } 16994 16995 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16996 updateSequenceNumberLP(pkgName, res.newUsers); 16997 } 16998 } 16999 } 17000 17001 private void startIntentFilterVerifications(int userId, boolean replacing, 17002 PackageParser.Package pkg) { 17003 if (mIntentFilterVerifierComponent == null) { 17004 Slog.w(TAG, "No IntentFilter verification will not be done as " 17005 + "there is no IntentFilterVerifier available!"); 17006 return; 17007 } 17008 17009 final int verifierUid = getPackageUid( 17010 mIntentFilterVerifierComponent.getPackageName(), 17011 MATCH_DEBUG_TRIAGED_MISSING, 17012 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 17013 17014 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 17015 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 17016 mHandler.sendMessage(msg); 17017 17018 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 17019 for (int i = 0; i < childCount; i++) { 17020 PackageParser.Package childPkg = pkg.childPackages.get(i); 17021 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 17022 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 17023 mHandler.sendMessage(msg); 17024 } 17025 } 17026 17027 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 17028 PackageParser.Package pkg) { 17029 int size = pkg.activities.size(); 17030 if (size == 0) { 17031 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17032 "No activity, so no need to verify any IntentFilter!"); 17033 return; 17034 } 17035 17036 final boolean hasDomainURLs = hasDomainURLs(pkg); 17037 if (!hasDomainURLs) { 17038 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17039 "No domain URLs, so no need to verify any IntentFilter!"); 17040 return; 17041 } 17042 17043 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 17044 + " if any IntentFilter from the " + size 17045 + " Activities needs verification ..."); 17046 17047 int count = 0; 17048 final String packageName = pkg.packageName; 17049 17050 synchronized (mPackages) { 17051 // If this is a new install and we see that we've already run verification for this 17052 // package, we have nothing to do: it means the state was restored from backup. 17053 if (!replacing) { 17054 IntentFilterVerificationInfo ivi = 17055 mSettings.getIntentFilterVerificationLPr(packageName); 17056 if (ivi != null) { 17057 if (DEBUG_DOMAIN_VERIFICATION) { 17058 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 17059 + ivi.getStatusString()); 17060 } 17061 return; 17062 } 17063 } 17064 17065 // If any filters need to be verified, then all need to be. 17066 boolean needToVerify = false; 17067 for (PackageParser.Activity a : pkg.activities) { 17068 for (ActivityIntentInfo filter : a.intents) { 17069 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 17070 if (DEBUG_DOMAIN_VERIFICATION) { 17071 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 17072 } 17073 needToVerify = true; 17074 break; 17075 } 17076 } 17077 } 17078 17079 if (needToVerify) { 17080 final int verificationId = mIntentFilterVerificationToken++; 17081 for (PackageParser.Activity a : pkg.activities) { 17082 for (ActivityIntentInfo filter : a.intents) { 17083 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 17084 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17085 "Verification needed for IntentFilter:" + filter.toString()); 17086 mIntentFilterVerifier.addOneIntentFilterVerification( 17087 verifierUid, userId, verificationId, filter, packageName); 17088 count++; 17089 } 17090 } 17091 } 17092 } 17093 } 17094 17095 if (count > 0) { 17096 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 17097 + " IntentFilter verification" + (count > 1 ? "s" : "") 17098 + " for userId:" + userId); 17099 mIntentFilterVerifier.startVerifications(userId); 17100 } else { 17101 if (DEBUG_DOMAIN_VERIFICATION) { 17102 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 17103 } 17104 } 17105 } 17106 17107 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 17108 final ComponentName cn = filter.activity.getComponentName(); 17109 final String packageName = cn.getPackageName(); 17110 17111 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 17112 packageName); 17113 if (ivi == null) { 17114 return true; 17115 } 17116 int status = ivi.getStatus(); 17117 switch (status) { 17118 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 17119 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 17120 return true; 17121 17122 default: 17123 // Nothing to do 17124 return false; 17125 } 17126 } 17127 17128 private static boolean isMultiArch(ApplicationInfo info) { 17129 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 17130 } 17131 17132 private static boolean isExternal(PackageParser.Package pkg) { 17133 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17134 } 17135 17136 private static boolean isExternal(PackageSetting ps) { 17137 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17138 } 17139 17140 private static boolean isSystemApp(PackageParser.Package pkg) { 17141 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 17142 } 17143 17144 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 17145 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 17146 } 17147 17148 private static boolean hasDomainURLs(PackageParser.Package pkg) { 17149 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 17150 } 17151 17152 private static boolean isSystemApp(PackageSetting ps) { 17153 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 17154 } 17155 17156 private static boolean isUpdatedSystemApp(PackageSetting ps) { 17157 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 17158 } 17159 17160 private int packageFlagsToInstallFlags(PackageSetting ps) { 17161 int installFlags = 0; 17162 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 17163 // This existing package was an external ASEC install when we have 17164 // the external flag without a UUID 17165 installFlags |= PackageManager.INSTALL_EXTERNAL; 17166 } 17167 if (ps.isForwardLocked()) { 17168 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 17169 } 17170 return installFlags; 17171 } 17172 17173 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 17174 if (isExternal(pkg)) { 17175 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17176 return StorageManager.UUID_PRIMARY_PHYSICAL; 17177 } else { 17178 return pkg.volumeUuid; 17179 } 17180 } else { 17181 return StorageManager.UUID_PRIVATE_INTERNAL; 17182 } 17183 } 17184 17185 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 17186 if (isExternal(pkg)) { 17187 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17188 return mSettings.getExternalVersion(); 17189 } else { 17190 return mSettings.findOrCreateVersion(pkg.volumeUuid); 17191 } 17192 } else { 17193 return mSettings.getInternalVersion(); 17194 } 17195 } 17196 17197 private void deleteTempPackageFiles() { 17198 final FilenameFilter filter = new FilenameFilter() { 17199 public boolean accept(File dir, String name) { 17200 return name.startsWith("vmdl") && name.endsWith(".tmp"); 17201 } 17202 }; 17203 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 17204 file.delete(); 17205 } 17206 } 17207 17208 @Override 17209 public void deletePackageAsUser(String packageName, int versionCode, 17210 IPackageDeleteObserver observer, int userId, int flags) { 17211 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 17212 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 17213 } 17214 17215 @Override 17216 public void deletePackageVersioned(VersionedPackage versionedPackage, 17217 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 17218 mContext.enforceCallingOrSelfPermission( 17219 android.Manifest.permission.DELETE_PACKAGES, null); 17220 Preconditions.checkNotNull(versionedPackage); 17221 Preconditions.checkNotNull(observer); 17222 Preconditions.checkArgumentInRange(versionedPackage.getVersionCode(), 17223 PackageManager.VERSION_CODE_HIGHEST, 17224 Integer.MAX_VALUE, "versionCode must be >= -1"); 17225 17226 final String packageName = versionedPackage.getPackageName(); 17227 // TODO: We will change version code to long, so in the new API it is long 17228 final int versionCode = (int) versionedPackage.getVersionCode(); 17229 final String internalPackageName; 17230 synchronized (mPackages) { 17231 // Normalize package name to handle renamed packages and static libs 17232 internalPackageName = resolveInternalPackageNameLPr(versionedPackage.getPackageName(), 17233 // TODO: We will change version code to long, so in the new API it is long 17234 (int) versionedPackage.getVersionCode()); 17235 } 17236 17237 final int uid = Binder.getCallingUid(); 17238 if (!isOrphaned(internalPackageName) 17239 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 17240 try { 17241 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 17242 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 17243 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 17244 observer.onUserActionRequired(intent); 17245 } catch (RemoteException re) { 17246 } 17247 return; 17248 } 17249 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 17250 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 17251 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 17252 mContext.enforceCallingOrSelfPermission( 17253 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 17254 "deletePackage for user " + userId); 17255 } 17256 17257 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 17258 try { 17259 observer.onPackageDeleted(packageName, 17260 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 17261 } catch (RemoteException re) { 17262 } 17263 return; 17264 } 17265 17266 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 17267 try { 17268 observer.onPackageDeleted(packageName, 17269 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 17270 } catch (RemoteException re) { 17271 } 17272 return; 17273 } 17274 17275 if (DEBUG_REMOVE) { 17276 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 17277 + " deleteAllUsers: " + deleteAllUsers + " version=" 17278 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 17279 ? "VERSION_CODE_HIGHEST" : versionCode)); 17280 } 17281 // Queue up an async operation since the package deletion may take a little while. 17282 mHandler.post(new Runnable() { 17283 public void run() { 17284 mHandler.removeCallbacks(this); 17285 int returnCode; 17286 if (!deleteAllUsers) { 17287 returnCode = deletePackageX(internalPackageName, versionCode, 17288 userId, deleteFlags); 17289 } else { 17290 int[] blockUninstallUserIds = getBlockUninstallForUsers( 17291 internalPackageName, users); 17292 // If nobody is blocking uninstall, proceed with delete for all users 17293 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 17294 returnCode = deletePackageX(internalPackageName, versionCode, 17295 userId, deleteFlags); 17296 } else { 17297 // Otherwise uninstall individually for users with blockUninstalls=false 17298 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 17299 for (int userId : users) { 17300 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 17301 returnCode = deletePackageX(internalPackageName, versionCode, 17302 userId, userFlags); 17303 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 17304 Slog.w(TAG, "Package delete failed for user " + userId 17305 + ", returnCode " + returnCode); 17306 } 17307 } 17308 } 17309 // The app has only been marked uninstalled for certain users. 17310 // We still need to report that delete was blocked 17311 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 17312 } 17313 } 17314 try { 17315 observer.onPackageDeleted(packageName, returnCode, null); 17316 } catch (RemoteException e) { 17317 Log.i(TAG, "Observer no longer exists."); 17318 } //end catch 17319 } //end run 17320 }); 17321 } 17322 17323 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 17324 if (pkg.staticSharedLibName != null) { 17325 return pkg.manifestPackageName; 17326 } 17327 return pkg.packageName; 17328 } 17329 17330 private String resolveInternalPackageNameLPr(String packageName, int versionCode) { 17331 // Handle renamed packages 17332 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 17333 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 17334 17335 // Is this a static library? 17336 SparseArray<SharedLibraryEntry> versionedLib = 17337 mStaticLibsByDeclaringPackage.get(packageName); 17338 if (versionedLib == null || versionedLib.size() <= 0) { 17339 return packageName; 17340 } 17341 17342 // Figure out which lib versions the caller can see 17343 SparseIntArray versionsCallerCanSee = null; 17344 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 17345 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 17346 && callingAppId != Process.ROOT_UID) { 17347 versionsCallerCanSee = new SparseIntArray(); 17348 String libName = versionedLib.valueAt(0).info.getName(); 17349 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 17350 if (uidPackages != null) { 17351 for (String uidPackage : uidPackages) { 17352 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 17353 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 17354 if (libIdx >= 0) { 17355 final int libVersion = ps.usesStaticLibrariesVersions[libIdx]; 17356 versionsCallerCanSee.append(libVersion, libVersion); 17357 } 17358 } 17359 } 17360 } 17361 17362 // Caller can see nothing - done 17363 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 17364 return packageName; 17365 } 17366 17367 // Find the version the caller can see and the app version code 17368 SharedLibraryEntry highestVersion = null; 17369 final int versionCount = versionedLib.size(); 17370 for (int i = 0; i < versionCount; i++) { 17371 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 17372 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 17373 libEntry.info.getVersion()) < 0) { 17374 continue; 17375 } 17376 // TODO: We will change version code to long, so in the new API it is long 17377 final int libVersionCode = (int) libEntry.info.getDeclaringPackage().getVersionCode(); 17378 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 17379 if (libVersionCode == versionCode) { 17380 return libEntry.apk; 17381 } 17382 } else if (highestVersion == null) { 17383 highestVersion = libEntry; 17384 } else if (libVersionCode > highestVersion.info 17385 .getDeclaringPackage().getVersionCode()) { 17386 highestVersion = libEntry; 17387 } 17388 } 17389 17390 if (highestVersion != null) { 17391 return highestVersion.apk; 17392 } 17393 17394 return packageName; 17395 } 17396 17397 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 17398 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 17399 || callingUid == Process.SYSTEM_UID) { 17400 return true; 17401 } 17402 final int callingUserId = UserHandle.getUserId(callingUid); 17403 // If the caller installed the pkgName, then allow it to silently uninstall. 17404 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 17405 return true; 17406 } 17407 17408 // Allow package verifier to silently uninstall. 17409 if (mRequiredVerifierPackage != null && 17410 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 17411 return true; 17412 } 17413 17414 // Allow package uninstaller to silently uninstall. 17415 if (mRequiredUninstallerPackage != null && 17416 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 17417 return true; 17418 } 17419 17420 // Allow storage manager to silently uninstall. 17421 if (mStorageManagerPackage != null && 17422 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 17423 return true; 17424 } 17425 return false; 17426 } 17427 17428 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 17429 int[] result = EMPTY_INT_ARRAY; 17430 for (int userId : userIds) { 17431 if (getBlockUninstallForUser(packageName, userId)) { 17432 result = ArrayUtils.appendInt(result, userId); 17433 } 17434 } 17435 return result; 17436 } 17437 17438 @Override 17439 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 17440 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 17441 } 17442 17443 private boolean isPackageDeviceAdmin(String packageName, int userId) { 17444 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 17445 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 17446 try { 17447 if (dpm != null) { 17448 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 17449 /* callingUserOnly =*/ false); 17450 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 17451 : deviceOwnerComponentName.getPackageName(); 17452 // Does the package contains the device owner? 17453 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 17454 // this check is probably not needed, since DO should be registered as a device 17455 // admin on some user too. (Original bug for this: b/17657954) 17456 if (packageName.equals(deviceOwnerPackageName)) { 17457 return true; 17458 } 17459 // Does it contain a device admin for any user? 17460 int[] users; 17461 if (userId == UserHandle.USER_ALL) { 17462 users = sUserManager.getUserIds(); 17463 } else { 17464 users = new int[]{userId}; 17465 } 17466 for (int i = 0; i < users.length; ++i) { 17467 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 17468 return true; 17469 } 17470 } 17471 } 17472 } catch (RemoteException e) { 17473 } 17474 return false; 17475 } 17476 17477 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 17478 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 17479 } 17480 17481 /** 17482 * This method is an internal method that could be get invoked either 17483 * to delete an installed package or to clean up a failed installation. 17484 * After deleting an installed package, a broadcast is sent to notify any 17485 * listeners that the package has been removed. For cleaning up a failed 17486 * installation, the broadcast is not necessary since the package's 17487 * installation wouldn't have sent the initial broadcast either 17488 * The key steps in deleting a package are 17489 * deleting the package information in internal structures like mPackages, 17490 * deleting the packages base directories through installd 17491 * updating mSettings to reflect current status 17492 * persisting settings for later use 17493 * sending a broadcast if necessary 17494 */ 17495 private int deletePackageX(String packageName, int versionCode, int userId, int deleteFlags) { 17496 final PackageRemovedInfo info = new PackageRemovedInfo(); 17497 final boolean res; 17498 17499 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 17500 ? UserHandle.USER_ALL : userId; 17501 17502 if (isPackageDeviceAdmin(packageName, removeUser)) { 17503 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 17504 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 17505 } 17506 17507 PackageSetting uninstalledPs = null; 17508 17509 // for the uninstall-updates case and restricted profiles, remember the per- 17510 // user handle installed state 17511 int[] allUsers; 17512 synchronized (mPackages) { 17513 uninstalledPs = mSettings.mPackages.get(packageName); 17514 if (uninstalledPs == null) { 17515 Slog.w(TAG, "Not removing non-existent package " + packageName); 17516 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17517 } 17518 17519 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 17520 && uninstalledPs.versionCode != versionCode) { 17521 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 17522 + uninstalledPs.versionCode + " != " + versionCode); 17523 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17524 } 17525 17526 // Static shared libs can be declared by any package, so let us not 17527 // allow removing a package if it provides a lib others depend on. 17528 PackageParser.Package pkg = mPackages.get(packageName); 17529 if (pkg != null && pkg.staticSharedLibName != null) { 17530 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 17531 pkg.staticSharedLibVersion); 17532 if (libEntry != null) { 17533 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 17534 libEntry.info, 0, userId); 17535 if (!ArrayUtils.isEmpty(libClientPackages)) { 17536 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 17537 + " hosting lib " + libEntry.info.getName() + " version " 17538 + libEntry.info.getVersion() + " used by " + libClientPackages); 17539 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 17540 } 17541 } 17542 } 17543 17544 allUsers = sUserManager.getUserIds(); 17545 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 17546 } 17547 17548 final int freezeUser; 17549 if (isUpdatedSystemApp(uninstalledPs) 17550 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 17551 // We're downgrading a system app, which will apply to all users, so 17552 // freeze them all during the downgrade 17553 freezeUser = UserHandle.USER_ALL; 17554 } else { 17555 freezeUser = removeUser; 17556 } 17557 17558 synchronized (mInstallLock) { 17559 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 17560 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 17561 deleteFlags, "deletePackageX")) { 17562 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 17563 deleteFlags | FLAGS_REMOVE_CHATTY, info, true, null); 17564 } 17565 synchronized (mPackages) { 17566 if (res) { 17567 mInstantAppRegistry.onPackageUninstalledLPw(uninstalledPs.pkg, 17568 info.removedUsers); 17569 updateSequenceNumberLP(packageName, info.removedUsers); 17570 } 17571 } 17572 } 17573 17574 if (res) { 17575 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 17576 info.sendPackageRemovedBroadcasts(killApp); 17577 info.sendSystemPackageUpdatedBroadcasts(); 17578 info.sendSystemPackageAppearedBroadcasts(); 17579 } 17580 // Force a gc here. 17581 Runtime.getRuntime().gc(); 17582 // Delete the resources here after sending the broadcast to let 17583 // other processes clean up before deleting resources. 17584 if (info.args != null) { 17585 synchronized (mInstallLock) { 17586 info.args.doPostDeleteLI(true); 17587 } 17588 } 17589 17590 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17591 } 17592 17593 class PackageRemovedInfo { 17594 String removedPackage; 17595 int uid = -1; 17596 int removedAppId = -1; 17597 int[] origUsers; 17598 int[] removedUsers = null; 17599 SparseArray<Integer> installReasons; 17600 boolean isRemovedPackageSystemUpdate = false; 17601 boolean isUpdate; 17602 boolean dataRemoved; 17603 boolean removedForAllUsers; 17604 boolean isStaticSharedLib; 17605 // Clean up resources deleted packages. 17606 InstallArgs args = null; 17607 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 17608 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 17609 17610 void sendPackageRemovedBroadcasts(boolean killApp) { 17611 sendPackageRemovedBroadcastInternal(killApp); 17612 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 17613 for (int i = 0; i < childCount; i++) { 17614 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17615 childInfo.sendPackageRemovedBroadcastInternal(killApp); 17616 } 17617 } 17618 17619 void sendSystemPackageUpdatedBroadcasts() { 17620 if (isRemovedPackageSystemUpdate) { 17621 sendSystemPackageUpdatedBroadcastsInternal(); 17622 final int childCount = (removedChildPackages != null) 17623 ? removedChildPackages.size() : 0; 17624 for (int i = 0; i < childCount; i++) { 17625 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17626 if (childInfo.isRemovedPackageSystemUpdate) { 17627 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 17628 } 17629 } 17630 } 17631 } 17632 17633 void sendSystemPackageAppearedBroadcasts() { 17634 final int packageCount = (appearedChildPackages != null) 17635 ? appearedChildPackages.size() : 0; 17636 for (int i = 0; i < packageCount; i++) { 17637 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 17638 sendPackageAddedForNewUsers(installedInfo.name, true, 17639 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers); 17640 } 17641 } 17642 17643 private void sendSystemPackageUpdatedBroadcastsInternal() { 17644 Bundle extras = new Bundle(2); 17645 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17646 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17647 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 17648 extras, 0, null, null, null); 17649 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 17650 extras, 0, null, null, null); 17651 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 17652 null, 0, removedPackage, null, null); 17653 } 17654 17655 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 17656 // Don't send static shared library removal broadcasts as these 17657 // libs are visible only the the apps that depend on them an one 17658 // cannot remove the library if it has a dependency. 17659 if (isStaticSharedLib) { 17660 return; 17661 } 17662 Bundle extras = new Bundle(2); 17663 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17664 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 17665 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 17666 if (isUpdate || isRemovedPackageSystemUpdate) { 17667 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17668 } 17669 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 17670 if (removedPackage != null) { 17671 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 17672 extras, 0, null, null, removedUsers); 17673 if (dataRemoved && !isRemovedPackageSystemUpdate) { 17674 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 17675 removedPackage, extras, Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 17676 null, null, removedUsers); 17677 } 17678 } 17679 if (removedAppId >= 0) { 17680 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 17681 removedUsers); 17682 } 17683 } 17684 } 17685 17686 /* 17687 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 17688 * flag is not set, the data directory is removed as well. 17689 * make sure this flag is set for partially installed apps. If not its meaningless to 17690 * delete a partially installed application. 17691 */ 17692 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 17693 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 17694 String packageName = ps.name; 17695 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 17696 // Retrieve object to delete permissions for shared user later on 17697 final PackageParser.Package deletedPkg; 17698 final PackageSetting deletedPs; 17699 // reader 17700 synchronized (mPackages) { 17701 deletedPkg = mPackages.get(packageName); 17702 deletedPs = mSettings.mPackages.get(packageName); 17703 if (outInfo != null) { 17704 outInfo.removedPackage = packageName; 17705 outInfo.isStaticSharedLib = deletedPkg != null 17706 && deletedPkg.staticSharedLibName != null; 17707 outInfo.removedUsers = deletedPs != null 17708 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 17709 : null; 17710 } 17711 } 17712 17713 removePackageLI(ps, (flags & FLAGS_REMOVE_CHATTY) != 0); 17714 17715 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 17716 final PackageParser.Package resolvedPkg; 17717 if (deletedPkg != null) { 17718 resolvedPkg = deletedPkg; 17719 } else { 17720 // We don't have a parsed package when it lives on an ejected 17721 // adopted storage device, so fake something together 17722 resolvedPkg = new PackageParser.Package(ps.name); 17723 resolvedPkg.setVolumeUuid(ps.volumeUuid); 17724 } 17725 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 17726 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17727 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 17728 if (outInfo != null) { 17729 outInfo.dataRemoved = true; 17730 } 17731 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 17732 } 17733 17734 int removedAppId = -1; 17735 17736 // writer 17737 synchronized (mPackages) { 17738 boolean installedStateChanged = false; 17739 if (deletedPs != null) { 17740 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 17741 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 17742 clearDefaultBrowserIfNeeded(packageName); 17743 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 17744 removedAppId = mSettings.removePackageLPw(packageName); 17745 if (outInfo != null) { 17746 outInfo.removedAppId = removedAppId; 17747 } 17748 updatePermissionsLPw(deletedPs.name, null, 0); 17749 if (deletedPs.sharedUser != null) { 17750 // Remove permissions associated with package. Since runtime 17751 // permissions are per user we have to kill the removed package 17752 // or packages running under the shared user of the removed 17753 // package if revoking the permissions requested only by the removed 17754 // package is successful and this causes a change in gids. 17755 for (int userId : UserManagerService.getInstance().getUserIds()) { 17756 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 17757 userId); 17758 if (userIdToKill == UserHandle.USER_ALL 17759 || userIdToKill >= UserHandle.USER_SYSTEM) { 17760 // If gids changed for this user, kill all affected packages. 17761 mHandler.post(new Runnable() { 17762 @Override 17763 public void run() { 17764 // This has to happen with no lock held. 17765 killApplication(deletedPs.name, deletedPs.appId, 17766 KILL_APP_REASON_GIDS_CHANGED); 17767 } 17768 }); 17769 break; 17770 } 17771 } 17772 } 17773 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 17774 } 17775 // make sure to preserve per-user disabled state if this removal was just 17776 // a downgrade of a system app to the factory package 17777 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 17778 if (DEBUG_REMOVE) { 17779 Slog.d(TAG, "Propagating install state across downgrade"); 17780 } 17781 for (int userId : allUserHandles) { 17782 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17783 if (DEBUG_REMOVE) { 17784 Slog.d(TAG, " user " + userId + " => " + installed); 17785 } 17786 if (installed != ps.getInstalled(userId)) { 17787 installedStateChanged = true; 17788 } 17789 ps.setInstalled(installed, userId); 17790 } 17791 } 17792 } 17793 // can downgrade to reader 17794 if (writeSettings) { 17795 // Save settings now 17796 mSettings.writeLPr(); 17797 } 17798 if (installedStateChanged) { 17799 mSettings.writeKernelMappingLPr(ps); 17800 } 17801 } 17802 if (removedAppId != -1) { 17803 // A user ID was deleted here. Go through all users and remove it 17804 // from KeyStore. 17805 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 17806 } 17807 } 17808 17809 static boolean locationIsPrivileged(File path) { 17810 try { 17811 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 17812 .getCanonicalPath(); 17813 return path.getCanonicalPath().startsWith(privilegedAppDir); 17814 } catch (IOException e) { 17815 Slog.e(TAG, "Unable to access code path " + path); 17816 } 17817 return false; 17818 } 17819 17820 /* 17821 * Tries to delete system package. 17822 */ 17823 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 17824 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 17825 boolean writeSettings) { 17826 if (deletedPs.parentPackageName != null) { 17827 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 17828 return false; 17829 } 17830 17831 final boolean applyUserRestrictions 17832 = (allUserHandles != null) && (outInfo.origUsers != null); 17833 final PackageSetting disabledPs; 17834 // Confirm if the system package has been updated 17835 // An updated system app can be deleted. This will also have to restore 17836 // the system pkg from system partition 17837 // reader 17838 synchronized (mPackages) { 17839 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 17840 } 17841 17842 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 17843 + " disabledPs=" + disabledPs); 17844 17845 if (disabledPs == null) { 17846 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 17847 return false; 17848 } else if (DEBUG_REMOVE) { 17849 Slog.d(TAG, "Deleting system pkg from data partition"); 17850 } 17851 17852 if (DEBUG_REMOVE) { 17853 if (applyUserRestrictions) { 17854 Slog.d(TAG, "Remembering install states:"); 17855 for (int userId : allUserHandles) { 17856 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 17857 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 17858 } 17859 } 17860 } 17861 17862 // Delete the updated package 17863 outInfo.isRemovedPackageSystemUpdate = true; 17864 if (outInfo.removedChildPackages != null) { 17865 final int childCount = (deletedPs.childPackageNames != null) 17866 ? deletedPs.childPackageNames.size() : 0; 17867 for (int i = 0; i < childCount; i++) { 17868 String childPackageName = deletedPs.childPackageNames.get(i); 17869 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 17870 .contains(childPackageName)) { 17871 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17872 childPackageName); 17873 if (childInfo != null) { 17874 childInfo.isRemovedPackageSystemUpdate = true; 17875 } 17876 } 17877 } 17878 } 17879 17880 if (disabledPs.versionCode < deletedPs.versionCode) { 17881 // Delete data for downgrades 17882 flags &= ~PackageManager.DELETE_KEEP_DATA; 17883 } else { 17884 // Preserve data by setting flag 17885 flags |= PackageManager.DELETE_KEEP_DATA; 17886 } 17887 17888 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 17889 outInfo, writeSettings, disabledPs.pkg); 17890 if (!ret) { 17891 return false; 17892 } 17893 17894 // writer 17895 synchronized (mPackages) { 17896 // Reinstate the old system package 17897 enableSystemPackageLPw(disabledPs.pkg); 17898 // Remove any native libraries from the upgraded package. 17899 removeNativeBinariesLI(deletedPs); 17900 } 17901 17902 // Install the system package 17903 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 17904 int parseFlags = mDefParseFlags 17905 | PackageParser.PARSE_MUST_BE_APK 17906 | PackageParser.PARSE_IS_SYSTEM 17907 | PackageParser.PARSE_IS_SYSTEM_DIR; 17908 if (locationIsPrivileged(disabledPs.codePath)) { 17909 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 17910 } 17911 17912 final PackageParser.Package newPkg; 17913 try { 17914 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 17915 0 /* currentTime */, null); 17916 } catch (PackageManagerException e) { 17917 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 17918 + e.getMessage()); 17919 return false; 17920 } 17921 17922 try { 17923 // update shared libraries for the newly re-installed system package 17924 updateSharedLibrariesLPr(newPkg, null); 17925 } catch (PackageManagerException e) { 17926 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 17927 } 17928 17929 prepareAppDataAfterInstallLIF(newPkg); 17930 17931 // writer 17932 synchronized (mPackages) { 17933 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 17934 17935 // Propagate the permissions state as we do not want to drop on the floor 17936 // runtime permissions. The update permissions method below will take 17937 // care of removing obsolete permissions and grant install permissions. 17938 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 17939 updatePermissionsLPw(newPkg.packageName, newPkg, 17940 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 17941 17942 if (applyUserRestrictions) { 17943 boolean installedStateChanged = false; 17944 if (DEBUG_REMOVE) { 17945 Slog.d(TAG, "Propagating install state across reinstall"); 17946 } 17947 for (int userId : allUserHandles) { 17948 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17949 if (DEBUG_REMOVE) { 17950 Slog.d(TAG, " user " + userId + " => " + installed); 17951 } 17952 if (installed != ps.getInstalled(userId)) { 17953 installedStateChanged = true; 17954 } 17955 ps.setInstalled(installed, userId); 17956 17957 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17958 } 17959 // Regardless of writeSettings we need to ensure that this restriction 17960 // state propagation is persisted 17961 mSettings.writeAllUsersPackageRestrictionsLPr(); 17962 if (installedStateChanged) { 17963 mSettings.writeKernelMappingLPr(ps); 17964 } 17965 } 17966 // can downgrade to reader here 17967 if (writeSettings) { 17968 mSettings.writeLPr(); 17969 } 17970 } 17971 return true; 17972 } 17973 17974 private boolean deleteInstalledPackageLIF(PackageSetting ps, 17975 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 17976 PackageRemovedInfo outInfo, boolean writeSettings, 17977 PackageParser.Package replacingPackage) { 17978 synchronized (mPackages) { 17979 if (outInfo != null) { 17980 outInfo.uid = ps.appId; 17981 } 17982 17983 if (outInfo != null && outInfo.removedChildPackages != null) { 17984 final int childCount = (ps.childPackageNames != null) 17985 ? ps.childPackageNames.size() : 0; 17986 for (int i = 0; i < childCount; i++) { 17987 String childPackageName = ps.childPackageNames.get(i); 17988 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 17989 if (childPs == null) { 17990 return false; 17991 } 17992 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17993 childPackageName); 17994 if (childInfo != null) { 17995 childInfo.uid = childPs.appId; 17996 } 17997 } 17998 } 17999 } 18000 18001 // Delete package data from internal structures and also remove data if flag is set 18002 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 18003 18004 // Delete the child packages data 18005 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 18006 for (int i = 0; i < childCount; i++) { 18007 PackageSetting childPs; 18008 synchronized (mPackages) { 18009 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 18010 } 18011 if (childPs != null) { 18012 PackageRemovedInfo childOutInfo = (outInfo != null 18013 && outInfo.removedChildPackages != null) 18014 ? outInfo.removedChildPackages.get(childPs.name) : null; 18015 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 18016 && (replacingPackage != null 18017 && !replacingPackage.hasChildPackage(childPs.name)) 18018 ? flags & ~DELETE_KEEP_DATA : flags; 18019 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 18020 deleteFlags, writeSettings); 18021 } 18022 } 18023 18024 // Delete application code and resources only for parent packages 18025 if (ps.parentPackageName == null) { 18026 if (deleteCodeAndResources && (outInfo != null)) { 18027 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 18028 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 18029 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 18030 } 18031 } 18032 18033 return true; 18034 } 18035 18036 @Override 18037 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 18038 int userId) { 18039 mContext.enforceCallingOrSelfPermission( 18040 android.Manifest.permission.DELETE_PACKAGES, null); 18041 synchronized (mPackages) { 18042 PackageSetting ps = mSettings.mPackages.get(packageName); 18043 if (ps == null) { 18044 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 18045 return false; 18046 } 18047 // Cannot block uninstall of static shared libs as they are 18048 // considered a part of the using app (emulating static linking). 18049 // Also static libs are installed always on internal storage. 18050 PackageParser.Package pkg = mPackages.get(packageName); 18051 if (pkg != null && pkg.staticSharedLibName != null) { 18052 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 18053 + " providing static shared library: " + pkg.staticSharedLibName); 18054 return false; 18055 } 18056 if (!ps.getInstalled(userId)) { 18057 // Can't block uninstall for an app that is not installed or enabled. 18058 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 18059 return false; 18060 } 18061 ps.setBlockUninstall(blockUninstall, userId); 18062 mSettings.writePackageRestrictionsLPr(userId); 18063 } 18064 return true; 18065 } 18066 18067 @Override 18068 public boolean getBlockUninstallForUser(String packageName, int userId) { 18069 synchronized (mPackages) { 18070 PackageSetting ps = mSettings.mPackages.get(packageName); 18071 if (ps == null) { 18072 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 18073 return false; 18074 } 18075 return ps.getBlockUninstall(userId); 18076 } 18077 } 18078 18079 @Override 18080 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 18081 int callingUid = Binder.getCallingUid(); 18082 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 18083 throw new SecurityException( 18084 "setRequiredForSystemUser can only be run by the system or root"); 18085 } 18086 synchronized (mPackages) { 18087 PackageSetting ps = mSettings.mPackages.get(packageName); 18088 if (ps == null) { 18089 Log.w(TAG, "Package doesn't exist: " + packageName); 18090 return false; 18091 } 18092 if (systemUserApp) { 18093 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18094 } else { 18095 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18096 } 18097 mSettings.writeLPr(); 18098 } 18099 return true; 18100 } 18101 18102 /* 18103 * This method handles package deletion in general 18104 */ 18105 private boolean deletePackageLIF(String packageName, UserHandle user, 18106 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 18107 PackageRemovedInfo outInfo, boolean writeSettings, 18108 PackageParser.Package replacingPackage) { 18109 if (packageName == null) { 18110 Slog.w(TAG, "Attempt to delete null packageName."); 18111 return false; 18112 } 18113 18114 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 18115 18116 PackageSetting ps; 18117 synchronized (mPackages) { 18118 ps = mSettings.mPackages.get(packageName); 18119 if (ps == null) { 18120 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18121 return false; 18122 } 18123 18124 if (ps.parentPackageName != null && (!isSystemApp(ps) 18125 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 18126 if (DEBUG_REMOVE) { 18127 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 18128 + ((user == null) ? UserHandle.USER_ALL : user)); 18129 } 18130 final int removedUserId = (user != null) ? user.getIdentifier() 18131 : UserHandle.USER_ALL; 18132 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 18133 return false; 18134 } 18135 markPackageUninstalledForUserLPw(ps, user); 18136 scheduleWritePackageRestrictionsLocked(user); 18137 return true; 18138 } 18139 } 18140 18141 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 18142 && user.getIdentifier() != UserHandle.USER_ALL)) { 18143 // The caller is asking that the package only be deleted for a single 18144 // user. To do this, we just mark its uninstalled state and delete 18145 // its data. If this is a system app, we only allow this to happen if 18146 // they have set the special DELETE_SYSTEM_APP which requests different 18147 // semantics than normal for uninstalling system apps. 18148 markPackageUninstalledForUserLPw(ps, user); 18149 18150 if (!isSystemApp(ps)) { 18151 // Do not uninstall the APK if an app should be cached 18152 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 18153 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 18154 // Other user still have this package installed, so all 18155 // we need to do is clear this user's data and save that 18156 // it is uninstalled. 18157 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 18158 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18159 return false; 18160 } 18161 scheduleWritePackageRestrictionsLocked(user); 18162 return true; 18163 } else { 18164 // We need to set it back to 'installed' so the uninstall 18165 // broadcasts will be sent correctly. 18166 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 18167 ps.setInstalled(true, user.getIdentifier()); 18168 mSettings.writeKernelMappingLPr(ps); 18169 } 18170 } else { 18171 // This is a system app, so we assume that the 18172 // other users still have this package installed, so all 18173 // we need to do is clear this user's data and save that 18174 // it is uninstalled. 18175 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 18176 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18177 return false; 18178 } 18179 scheduleWritePackageRestrictionsLocked(user); 18180 return true; 18181 } 18182 } 18183 18184 // If we are deleting a composite package for all users, keep track 18185 // of result for each child. 18186 if (ps.childPackageNames != null && outInfo != null) { 18187 synchronized (mPackages) { 18188 final int childCount = ps.childPackageNames.size(); 18189 outInfo.removedChildPackages = new ArrayMap<>(childCount); 18190 for (int i = 0; i < childCount; i++) { 18191 String childPackageName = ps.childPackageNames.get(i); 18192 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 18193 childInfo.removedPackage = childPackageName; 18194 outInfo.removedChildPackages.put(childPackageName, childInfo); 18195 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18196 if (childPs != null) { 18197 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 18198 } 18199 } 18200 } 18201 } 18202 18203 boolean ret = false; 18204 if (isSystemApp(ps)) { 18205 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 18206 // When an updated system application is deleted we delete the existing resources 18207 // as well and fall back to existing code in system partition 18208 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 18209 } else { 18210 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 18211 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 18212 outInfo, writeSettings, replacingPackage); 18213 } 18214 18215 // Take a note whether we deleted the package for all users 18216 if (outInfo != null) { 18217 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 18218 if (outInfo.removedChildPackages != null) { 18219 synchronized (mPackages) { 18220 final int childCount = outInfo.removedChildPackages.size(); 18221 for (int i = 0; i < childCount; i++) { 18222 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 18223 if (childInfo != null) { 18224 childInfo.removedForAllUsers = mPackages.get( 18225 childInfo.removedPackage) == null; 18226 } 18227 } 18228 } 18229 } 18230 // If we uninstalled an update to a system app there may be some 18231 // child packages that appeared as they are declared in the system 18232 // app but were not declared in the update. 18233 if (isSystemApp(ps)) { 18234 synchronized (mPackages) { 18235 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 18236 final int childCount = (updatedPs.childPackageNames != null) 18237 ? updatedPs.childPackageNames.size() : 0; 18238 for (int i = 0; i < childCount; i++) { 18239 String childPackageName = updatedPs.childPackageNames.get(i); 18240 if (outInfo.removedChildPackages == null 18241 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 18242 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18243 if (childPs == null) { 18244 continue; 18245 } 18246 PackageInstalledInfo installRes = new PackageInstalledInfo(); 18247 installRes.name = childPackageName; 18248 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 18249 installRes.pkg = mPackages.get(childPackageName); 18250 installRes.uid = childPs.pkg.applicationInfo.uid; 18251 if (outInfo.appearedChildPackages == null) { 18252 outInfo.appearedChildPackages = new ArrayMap<>(); 18253 } 18254 outInfo.appearedChildPackages.put(childPackageName, installRes); 18255 } 18256 } 18257 } 18258 } 18259 } 18260 18261 return ret; 18262 } 18263 18264 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 18265 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 18266 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 18267 for (int nextUserId : userIds) { 18268 if (DEBUG_REMOVE) { 18269 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 18270 } 18271 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 18272 false /*installed*/, 18273 true /*stopped*/, 18274 true /*notLaunched*/, 18275 false /*hidden*/, 18276 false /*suspended*/, 18277 false /*instantApp*/, 18278 null /*lastDisableAppCaller*/, 18279 null /*enabledComponents*/, 18280 null /*disabledComponents*/, 18281 false /*blockUninstall*/, 18282 ps.readUserState(nextUserId).domainVerificationStatus, 18283 0, PackageManager.INSTALL_REASON_UNKNOWN); 18284 } 18285 mSettings.writeKernelMappingLPr(ps); 18286 } 18287 18288 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 18289 PackageRemovedInfo outInfo) { 18290 final PackageParser.Package pkg; 18291 synchronized (mPackages) { 18292 pkg = mPackages.get(ps.name); 18293 } 18294 18295 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 18296 : new int[] {userId}; 18297 for (int nextUserId : userIds) { 18298 if (DEBUG_REMOVE) { 18299 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 18300 + nextUserId); 18301 } 18302 18303 destroyAppDataLIF(pkg, userId, 18304 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18305 destroyAppProfilesLIF(pkg, userId); 18306 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 18307 schedulePackageCleaning(ps.name, nextUserId, false); 18308 synchronized (mPackages) { 18309 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 18310 scheduleWritePackageRestrictionsLocked(nextUserId); 18311 } 18312 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 18313 } 18314 } 18315 18316 if (outInfo != null) { 18317 outInfo.removedPackage = ps.name; 18318 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 18319 outInfo.removedAppId = ps.appId; 18320 outInfo.removedUsers = userIds; 18321 } 18322 18323 return true; 18324 } 18325 18326 private final class ClearStorageConnection implements ServiceConnection { 18327 IMediaContainerService mContainerService; 18328 18329 @Override 18330 public void onServiceConnected(ComponentName name, IBinder service) { 18331 synchronized (this) { 18332 mContainerService = IMediaContainerService.Stub 18333 .asInterface(Binder.allowBlocking(service)); 18334 notifyAll(); 18335 } 18336 } 18337 18338 @Override 18339 public void onServiceDisconnected(ComponentName name) { 18340 } 18341 } 18342 18343 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 18344 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 18345 18346 final boolean mounted; 18347 if (Environment.isExternalStorageEmulated()) { 18348 mounted = true; 18349 } else { 18350 final String status = Environment.getExternalStorageState(); 18351 18352 mounted = status.equals(Environment.MEDIA_MOUNTED) 18353 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 18354 } 18355 18356 if (!mounted) { 18357 return; 18358 } 18359 18360 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 18361 int[] users; 18362 if (userId == UserHandle.USER_ALL) { 18363 users = sUserManager.getUserIds(); 18364 } else { 18365 users = new int[] { userId }; 18366 } 18367 final ClearStorageConnection conn = new ClearStorageConnection(); 18368 if (mContext.bindServiceAsUser( 18369 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 18370 try { 18371 for (int curUser : users) { 18372 long timeout = SystemClock.uptimeMillis() + 5000; 18373 synchronized (conn) { 18374 long now; 18375 while (conn.mContainerService == null && 18376 (now = SystemClock.uptimeMillis()) < timeout) { 18377 try { 18378 conn.wait(timeout - now); 18379 } catch (InterruptedException e) { 18380 } 18381 } 18382 } 18383 if (conn.mContainerService == null) { 18384 return; 18385 } 18386 18387 final UserEnvironment userEnv = new UserEnvironment(curUser); 18388 clearDirectory(conn.mContainerService, 18389 userEnv.buildExternalStorageAppCacheDirs(packageName)); 18390 if (allData) { 18391 clearDirectory(conn.mContainerService, 18392 userEnv.buildExternalStorageAppDataDirs(packageName)); 18393 clearDirectory(conn.mContainerService, 18394 userEnv.buildExternalStorageAppMediaDirs(packageName)); 18395 } 18396 } 18397 } finally { 18398 mContext.unbindService(conn); 18399 } 18400 } 18401 } 18402 18403 @Override 18404 public void clearApplicationProfileData(String packageName) { 18405 enforceSystemOrRoot("Only the system can clear all profile data"); 18406 18407 final PackageParser.Package pkg; 18408 synchronized (mPackages) { 18409 pkg = mPackages.get(packageName); 18410 } 18411 18412 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 18413 synchronized (mInstallLock) { 18414 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 18415 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 18416 true /* removeBaseMarker */); 18417 } 18418 } 18419 } 18420 18421 @Override 18422 public void clearApplicationUserData(final String packageName, 18423 final IPackageDataObserver observer, final int userId) { 18424 mContext.enforceCallingOrSelfPermission( 18425 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 18426 18427 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18428 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 18429 18430 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 18431 throw new SecurityException("Cannot clear data for a protected package: " 18432 + packageName); 18433 } 18434 // Queue up an async operation since the package deletion may take a little while. 18435 mHandler.post(new Runnable() { 18436 public void run() { 18437 mHandler.removeCallbacks(this); 18438 final boolean succeeded; 18439 try (PackageFreezer freezer = freezePackage(packageName, 18440 "clearApplicationUserData")) { 18441 synchronized (mInstallLock) { 18442 succeeded = clearApplicationUserDataLIF(packageName, userId); 18443 } 18444 clearExternalStorageDataSync(packageName, userId, true); 18445 synchronized (mPackages) { 18446 mInstantAppRegistry.deleteInstantApplicationMetadataLPw( 18447 packageName, userId); 18448 } 18449 } 18450 if (succeeded) { 18451 // invoke DeviceStorageMonitor's update method to clear any notifications 18452 DeviceStorageMonitorInternal dsm = LocalServices 18453 .getService(DeviceStorageMonitorInternal.class); 18454 if (dsm != null) { 18455 dsm.checkMemory(); 18456 } 18457 } 18458 if(observer != null) { 18459 try { 18460 observer.onRemoveCompleted(packageName, succeeded); 18461 } catch (RemoteException e) { 18462 Log.i(TAG, "Observer no longer exists."); 18463 } 18464 } //end if observer 18465 } //end run 18466 }); 18467 } 18468 18469 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 18470 if (packageName == null) { 18471 Slog.w(TAG, "Attempt to delete null packageName."); 18472 return false; 18473 } 18474 18475 // Try finding details about the requested package 18476 PackageParser.Package pkg; 18477 synchronized (mPackages) { 18478 pkg = mPackages.get(packageName); 18479 if (pkg == null) { 18480 final PackageSetting ps = mSettings.mPackages.get(packageName); 18481 if (ps != null) { 18482 pkg = ps.pkg; 18483 } 18484 } 18485 18486 if (pkg == null) { 18487 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18488 return false; 18489 } 18490 18491 PackageSetting ps = (PackageSetting) pkg.mExtras; 18492 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18493 } 18494 18495 clearAppDataLIF(pkg, userId, 18496 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18497 18498 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18499 removeKeystoreDataIfNeeded(userId, appId); 18500 18501 UserManagerInternal umInternal = getUserManagerInternal(); 18502 final int flags; 18503 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 18504 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18505 } else if (umInternal.isUserRunning(userId)) { 18506 flags = StorageManager.FLAG_STORAGE_DE; 18507 } else { 18508 flags = 0; 18509 } 18510 prepareAppDataContentsLIF(pkg, userId, flags); 18511 18512 return true; 18513 } 18514 18515 /** 18516 * Reverts user permission state changes (permissions and flags) in 18517 * all packages for a given user. 18518 * 18519 * @param userId The device user for which to do a reset. 18520 */ 18521 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 18522 final int packageCount = mPackages.size(); 18523 for (int i = 0; i < packageCount; i++) { 18524 PackageParser.Package pkg = mPackages.valueAt(i); 18525 PackageSetting ps = (PackageSetting) pkg.mExtras; 18526 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18527 } 18528 } 18529 18530 private void resetNetworkPolicies(int userId) { 18531 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 18532 } 18533 18534 /** 18535 * Reverts user permission state changes (permissions and flags). 18536 * 18537 * @param ps The package for which to reset. 18538 * @param userId The device user for which to do a reset. 18539 */ 18540 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 18541 final PackageSetting ps, final int userId) { 18542 if (ps.pkg == null) { 18543 return; 18544 } 18545 18546 // These are flags that can change base on user actions. 18547 final int userSettableMask = FLAG_PERMISSION_USER_SET 18548 | FLAG_PERMISSION_USER_FIXED 18549 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 18550 | FLAG_PERMISSION_REVIEW_REQUIRED; 18551 18552 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 18553 | FLAG_PERMISSION_POLICY_FIXED; 18554 18555 boolean writeInstallPermissions = false; 18556 boolean writeRuntimePermissions = false; 18557 18558 final int permissionCount = ps.pkg.requestedPermissions.size(); 18559 for (int i = 0; i < permissionCount; i++) { 18560 String permission = ps.pkg.requestedPermissions.get(i); 18561 18562 BasePermission bp = mSettings.mPermissions.get(permission); 18563 if (bp == null) { 18564 continue; 18565 } 18566 18567 // If shared user we just reset the state to which only this app contributed. 18568 if (ps.sharedUser != null) { 18569 boolean used = false; 18570 final int packageCount = ps.sharedUser.packages.size(); 18571 for (int j = 0; j < packageCount; j++) { 18572 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 18573 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 18574 && pkg.pkg.requestedPermissions.contains(permission)) { 18575 used = true; 18576 break; 18577 } 18578 } 18579 if (used) { 18580 continue; 18581 } 18582 } 18583 18584 PermissionsState permissionsState = ps.getPermissionsState(); 18585 18586 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 18587 18588 // Always clear the user settable flags. 18589 final boolean hasInstallState = permissionsState.getInstallPermissionState( 18590 bp.name) != null; 18591 // If permission review is enabled and this is a legacy app, mark the 18592 // permission as requiring a review as this is the initial state. 18593 int flags = 0; 18594 if (mPermissionReviewRequired 18595 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 18596 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 18597 } 18598 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 18599 if (hasInstallState) { 18600 writeInstallPermissions = true; 18601 } else { 18602 writeRuntimePermissions = true; 18603 } 18604 } 18605 18606 // Below is only runtime permission handling. 18607 if (!bp.isRuntime()) { 18608 continue; 18609 } 18610 18611 // Never clobber system or policy. 18612 if ((oldFlags & policyOrSystemFlags) != 0) { 18613 continue; 18614 } 18615 18616 // If this permission was granted by default, make sure it is. 18617 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 18618 if (permissionsState.grantRuntimePermission(bp, userId) 18619 != PERMISSION_OPERATION_FAILURE) { 18620 writeRuntimePermissions = true; 18621 } 18622 // If permission review is enabled the permissions for a legacy apps 18623 // are represented as constantly granted runtime ones, so don't revoke. 18624 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 18625 // Otherwise, reset the permission. 18626 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 18627 switch (revokeResult) { 18628 case PERMISSION_OPERATION_SUCCESS: 18629 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 18630 writeRuntimePermissions = true; 18631 final int appId = ps.appId; 18632 mHandler.post(new Runnable() { 18633 @Override 18634 public void run() { 18635 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 18636 } 18637 }); 18638 } break; 18639 } 18640 } 18641 } 18642 18643 // Synchronously write as we are taking permissions away. 18644 if (writeRuntimePermissions) { 18645 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 18646 } 18647 18648 // Synchronously write as we are taking permissions away. 18649 if (writeInstallPermissions) { 18650 mSettings.writeLPr(); 18651 } 18652 } 18653 18654 /** 18655 * Remove entries from the keystore daemon. Will only remove it if the 18656 * {@code appId} is valid. 18657 */ 18658 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 18659 if (appId < 0) { 18660 return; 18661 } 18662 18663 final KeyStore keyStore = KeyStore.getInstance(); 18664 if (keyStore != null) { 18665 if (userId == UserHandle.USER_ALL) { 18666 for (final int individual : sUserManager.getUserIds()) { 18667 keyStore.clearUid(UserHandle.getUid(individual, appId)); 18668 } 18669 } else { 18670 keyStore.clearUid(UserHandle.getUid(userId, appId)); 18671 } 18672 } else { 18673 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 18674 } 18675 } 18676 18677 @Override 18678 public void deleteApplicationCacheFiles(final String packageName, 18679 final IPackageDataObserver observer) { 18680 final int userId = UserHandle.getCallingUserId(); 18681 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 18682 } 18683 18684 @Override 18685 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 18686 final IPackageDataObserver observer) { 18687 mContext.enforceCallingOrSelfPermission( 18688 android.Manifest.permission.DELETE_CACHE_FILES, null); 18689 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18690 /* requireFullPermission= */ true, /* checkShell= */ false, 18691 "delete application cache files"); 18692 18693 final PackageParser.Package pkg; 18694 synchronized (mPackages) { 18695 pkg = mPackages.get(packageName); 18696 } 18697 18698 // Queue up an async operation since the package deletion may take a little while. 18699 mHandler.post(new Runnable() { 18700 public void run() { 18701 synchronized (mInstallLock) { 18702 final int flags = StorageManager.FLAG_STORAGE_DE 18703 | StorageManager.FLAG_STORAGE_CE; 18704 // We're only clearing cache files, so we don't care if the 18705 // app is unfrozen and still able to run 18706 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 18707 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18708 } 18709 clearExternalStorageDataSync(packageName, userId, false); 18710 if (observer != null) { 18711 try { 18712 observer.onRemoveCompleted(packageName, true); 18713 } catch (RemoteException e) { 18714 Log.i(TAG, "Observer no longer exists."); 18715 } 18716 } 18717 } 18718 }); 18719 } 18720 18721 @Override 18722 public void getPackageSizeInfo(final String packageName, int userHandle, 18723 final IPackageStatsObserver observer) { 18724 Slog.w(TAG, "Shame on you for calling a hidden API. Shame!"); 18725 try { 18726 observer.onGetStatsCompleted(null, false); 18727 } catch (Throwable ignored) { 18728 } 18729 } 18730 18731 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 18732 final PackageSetting ps; 18733 synchronized (mPackages) { 18734 ps = mSettings.mPackages.get(packageName); 18735 if (ps == null) { 18736 Slog.w(TAG, "Failed to find settings for " + packageName); 18737 return false; 18738 } 18739 } 18740 18741 final String[] packageNames = { packageName }; 18742 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 18743 final String[] codePaths = { ps.codePathString }; 18744 18745 try { 18746 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 18747 ps.appId, ceDataInodes, codePaths, stats); 18748 18749 // For now, ignore code size of packages on system partition 18750 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 18751 stats.codeSize = 0; 18752 } 18753 18754 // External clients expect these to be tracked separately 18755 stats.dataSize -= stats.cacheSize; 18756 18757 } catch (InstallerException e) { 18758 Slog.w(TAG, String.valueOf(e)); 18759 return false; 18760 } 18761 18762 return true; 18763 } 18764 18765 private int getUidTargetSdkVersionLockedLPr(int uid) { 18766 Object obj = mSettings.getUserIdLPr(uid); 18767 if (obj instanceof SharedUserSetting) { 18768 final SharedUserSetting sus = (SharedUserSetting) obj; 18769 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 18770 final Iterator<PackageSetting> it = sus.packages.iterator(); 18771 while (it.hasNext()) { 18772 final PackageSetting ps = it.next(); 18773 if (ps.pkg != null) { 18774 int v = ps.pkg.applicationInfo.targetSdkVersion; 18775 if (v < vers) vers = v; 18776 } 18777 } 18778 return vers; 18779 } else if (obj instanceof PackageSetting) { 18780 final PackageSetting ps = (PackageSetting) obj; 18781 if (ps.pkg != null) { 18782 return ps.pkg.applicationInfo.targetSdkVersion; 18783 } 18784 } 18785 return Build.VERSION_CODES.CUR_DEVELOPMENT; 18786 } 18787 18788 @Override 18789 public void addPreferredActivity(IntentFilter filter, int match, 18790 ComponentName[] set, ComponentName activity, int userId) { 18791 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18792 "Adding preferred"); 18793 } 18794 18795 private void addPreferredActivityInternal(IntentFilter filter, int match, 18796 ComponentName[] set, ComponentName activity, boolean always, int userId, 18797 String opname) { 18798 // writer 18799 int callingUid = Binder.getCallingUid(); 18800 enforceCrossUserPermission(callingUid, userId, 18801 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 18802 if (filter.countActions() == 0) { 18803 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18804 return; 18805 } 18806 synchronized (mPackages) { 18807 if (mContext.checkCallingOrSelfPermission( 18808 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18809 != PackageManager.PERMISSION_GRANTED) { 18810 if (getUidTargetSdkVersionLockedLPr(callingUid) 18811 < Build.VERSION_CODES.FROYO) { 18812 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 18813 + callingUid); 18814 return; 18815 } 18816 mContext.enforceCallingOrSelfPermission( 18817 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18818 } 18819 18820 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 18821 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 18822 + userId + ":"); 18823 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18824 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 18825 scheduleWritePackageRestrictionsLocked(userId); 18826 postPreferredActivityChangedBroadcast(userId); 18827 } 18828 } 18829 18830 private void postPreferredActivityChangedBroadcast(int userId) { 18831 mHandler.post(() -> { 18832 final IActivityManager am = ActivityManager.getService(); 18833 if (am == null) { 18834 return; 18835 } 18836 18837 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 18838 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18839 try { 18840 am.broadcastIntent(null, intent, null, null, 18841 0, null, null, null, android.app.AppOpsManager.OP_NONE, 18842 null, false, false, userId); 18843 } catch (RemoteException e) { 18844 } 18845 }); 18846 } 18847 18848 @Override 18849 public void replacePreferredActivity(IntentFilter filter, int match, 18850 ComponentName[] set, ComponentName activity, int userId) { 18851 if (filter.countActions() != 1) { 18852 throw new IllegalArgumentException( 18853 "replacePreferredActivity expects filter to have only 1 action."); 18854 } 18855 if (filter.countDataAuthorities() != 0 18856 || filter.countDataPaths() != 0 18857 || filter.countDataSchemes() > 1 18858 || filter.countDataTypes() != 0) { 18859 throw new IllegalArgumentException( 18860 "replacePreferredActivity expects filter to have no data authorities, " + 18861 "paths, or types; and at most one scheme."); 18862 } 18863 18864 final int callingUid = Binder.getCallingUid(); 18865 enforceCrossUserPermission(callingUid, userId, 18866 true /* requireFullPermission */, false /* checkShell */, 18867 "replace preferred activity"); 18868 synchronized (mPackages) { 18869 if (mContext.checkCallingOrSelfPermission( 18870 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18871 != PackageManager.PERMISSION_GRANTED) { 18872 if (getUidTargetSdkVersionLockedLPr(callingUid) 18873 < Build.VERSION_CODES.FROYO) { 18874 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 18875 + Binder.getCallingUid()); 18876 return; 18877 } 18878 mContext.enforceCallingOrSelfPermission( 18879 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18880 } 18881 18882 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18883 if (pir != null) { 18884 // Get all of the existing entries that exactly match this filter. 18885 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 18886 if (existing != null && existing.size() == 1) { 18887 PreferredActivity cur = existing.get(0); 18888 if (DEBUG_PREFERRED) { 18889 Slog.i(TAG, "Checking replace of preferred:"); 18890 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18891 if (!cur.mPref.mAlways) { 18892 Slog.i(TAG, " -- CUR; not mAlways!"); 18893 } else { 18894 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 18895 Slog.i(TAG, " -- CUR: mSet=" 18896 + Arrays.toString(cur.mPref.mSetComponents)); 18897 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 18898 Slog.i(TAG, " -- NEW: mMatch=" 18899 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 18900 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 18901 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 18902 } 18903 } 18904 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 18905 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 18906 && cur.mPref.sameSet(set)) { 18907 // Setting the preferred activity to what it happens to be already 18908 if (DEBUG_PREFERRED) { 18909 Slog.i(TAG, "Replacing with same preferred activity " 18910 + cur.mPref.mShortComponent + " for user " 18911 + userId + ":"); 18912 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18913 } 18914 return; 18915 } 18916 } 18917 18918 if (existing != null) { 18919 if (DEBUG_PREFERRED) { 18920 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 18921 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18922 } 18923 for (int i = 0; i < existing.size(); i++) { 18924 PreferredActivity pa = existing.get(i); 18925 if (DEBUG_PREFERRED) { 18926 Slog.i(TAG, "Removing existing preferred activity " 18927 + pa.mPref.mComponent + ":"); 18928 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 18929 } 18930 pir.removeFilter(pa); 18931 } 18932 } 18933 } 18934 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18935 "Replacing preferred"); 18936 } 18937 } 18938 18939 @Override 18940 public void clearPackagePreferredActivities(String packageName) { 18941 final int uid = Binder.getCallingUid(); 18942 // writer 18943 synchronized (mPackages) { 18944 PackageParser.Package pkg = mPackages.get(packageName); 18945 if (pkg == null || pkg.applicationInfo.uid != uid) { 18946 if (mContext.checkCallingOrSelfPermission( 18947 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18948 != PackageManager.PERMISSION_GRANTED) { 18949 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 18950 < Build.VERSION_CODES.FROYO) { 18951 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 18952 + Binder.getCallingUid()); 18953 return; 18954 } 18955 mContext.enforceCallingOrSelfPermission( 18956 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18957 } 18958 } 18959 18960 int user = UserHandle.getCallingUserId(); 18961 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 18962 scheduleWritePackageRestrictionsLocked(user); 18963 } 18964 } 18965 } 18966 18967 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18968 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 18969 ArrayList<PreferredActivity> removed = null; 18970 boolean changed = false; 18971 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18972 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 18973 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18974 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 18975 continue; 18976 } 18977 Iterator<PreferredActivity> it = pir.filterIterator(); 18978 while (it.hasNext()) { 18979 PreferredActivity pa = it.next(); 18980 // Mark entry for removal only if it matches the package name 18981 // and the entry is of type "always". 18982 if (packageName == null || 18983 (pa.mPref.mComponent.getPackageName().equals(packageName) 18984 && pa.mPref.mAlways)) { 18985 if (removed == null) { 18986 removed = new ArrayList<PreferredActivity>(); 18987 } 18988 removed.add(pa); 18989 } 18990 } 18991 if (removed != null) { 18992 for (int j=0; j<removed.size(); j++) { 18993 PreferredActivity pa = removed.get(j); 18994 pir.removeFilter(pa); 18995 } 18996 changed = true; 18997 } 18998 } 18999 if (changed) { 19000 postPreferredActivityChangedBroadcast(userId); 19001 } 19002 return changed; 19003 } 19004 19005 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19006 private void clearIntentFilterVerificationsLPw(int userId) { 19007 final int packageCount = mPackages.size(); 19008 for (int i = 0; i < packageCount; i++) { 19009 PackageParser.Package pkg = mPackages.valueAt(i); 19010 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 19011 } 19012 } 19013 19014 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19015 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 19016 if (userId == UserHandle.USER_ALL) { 19017 if (mSettings.removeIntentFilterVerificationLPw(packageName, 19018 sUserManager.getUserIds())) { 19019 for (int oneUserId : sUserManager.getUserIds()) { 19020 scheduleWritePackageRestrictionsLocked(oneUserId); 19021 } 19022 } 19023 } else { 19024 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 19025 scheduleWritePackageRestrictionsLocked(userId); 19026 } 19027 } 19028 } 19029 19030 void clearDefaultBrowserIfNeeded(String packageName) { 19031 for (int oneUserId : sUserManager.getUserIds()) { 19032 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 19033 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 19034 if (packageName.equals(defaultBrowserPackageName)) { 19035 setDefaultBrowserPackageName(null, oneUserId); 19036 } 19037 } 19038 } 19039 19040 @Override 19041 public void resetApplicationPreferences(int userId) { 19042 mContext.enforceCallingOrSelfPermission( 19043 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19044 final long identity = Binder.clearCallingIdentity(); 19045 // writer 19046 try { 19047 synchronized (mPackages) { 19048 clearPackagePreferredActivitiesLPw(null, userId); 19049 mSettings.applyDefaultPreferredAppsLPw(this, userId); 19050 // TODO: We have to reset the default SMS and Phone. This requires 19051 // significant refactoring to keep all default apps in the package 19052 // manager (cleaner but more work) or have the services provide 19053 // callbacks to the package manager to request a default app reset. 19054 applyFactoryDefaultBrowserLPw(userId); 19055 clearIntentFilterVerificationsLPw(userId); 19056 primeDomainVerificationsLPw(userId); 19057 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 19058 scheduleWritePackageRestrictionsLocked(userId); 19059 } 19060 resetNetworkPolicies(userId); 19061 } finally { 19062 Binder.restoreCallingIdentity(identity); 19063 } 19064 } 19065 19066 @Override 19067 public int getPreferredActivities(List<IntentFilter> outFilters, 19068 List<ComponentName> outActivities, String packageName) { 19069 19070 int num = 0; 19071 final int userId = UserHandle.getCallingUserId(); 19072 // reader 19073 synchronized (mPackages) { 19074 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 19075 if (pir != null) { 19076 final Iterator<PreferredActivity> it = pir.filterIterator(); 19077 while (it.hasNext()) { 19078 final PreferredActivity pa = it.next(); 19079 if (packageName == null 19080 || (pa.mPref.mComponent.getPackageName().equals(packageName) 19081 && pa.mPref.mAlways)) { 19082 if (outFilters != null) { 19083 outFilters.add(new IntentFilter(pa)); 19084 } 19085 if (outActivities != null) { 19086 outActivities.add(pa.mPref.mComponent); 19087 } 19088 } 19089 } 19090 } 19091 } 19092 19093 return num; 19094 } 19095 19096 @Override 19097 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 19098 int userId) { 19099 int callingUid = Binder.getCallingUid(); 19100 if (callingUid != Process.SYSTEM_UID) { 19101 throw new SecurityException( 19102 "addPersistentPreferredActivity can only be run by the system"); 19103 } 19104 if (filter.countActions() == 0) { 19105 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 19106 return; 19107 } 19108 synchronized (mPackages) { 19109 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 19110 ":"); 19111 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19112 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 19113 new PersistentPreferredActivity(filter, activity)); 19114 scheduleWritePackageRestrictionsLocked(userId); 19115 postPreferredActivityChangedBroadcast(userId); 19116 } 19117 } 19118 19119 @Override 19120 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 19121 int callingUid = Binder.getCallingUid(); 19122 if (callingUid != Process.SYSTEM_UID) { 19123 throw new SecurityException( 19124 "clearPackagePersistentPreferredActivities can only be run by the system"); 19125 } 19126 ArrayList<PersistentPreferredActivity> removed = null; 19127 boolean changed = false; 19128 synchronized (mPackages) { 19129 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 19130 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 19131 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 19132 .valueAt(i); 19133 if (userId != thisUserId) { 19134 continue; 19135 } 19136 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 19137 while (it.hasNext()) { 19138 PersistentPreferredActivity ppa = it.next(); 19139 // Mark entry for removal only if it matches the package name. 19140 if (ppa.mComponent.getPackageName().equals(packageName)) { 19141 if (removed == null) { 19142 removed = new ArrayList<PersistentPreferredActivity>(); 19143 } 19144 removed.add(ppa); 19145 } 19146 } 19147 if (removed != null) { 19148 for (int j=0; j<removed.size(); j++) { 19149 PersistentPreferredActivity ppa = removed.get(j); 19150 ppir.removeFilter(ppa); 19151 } 19152 changed = true; 19153 } 19154 } 19155 19156 if (changed) { 19157 scheduleWritePackageRestrictionsLocked(userId); 19158 postPreferredActivityChangedBroadcast(userId); 19159 } 19160 } 19161 } 19162 19163 /** 19164 * Common machinery for picking apart a restored XML blob and passing 19165 * it to a caller-supplied functor to be applied to the running system. 19166 */ 19167 private void restoreFromXml(XmlPullParser parser, int userId, 19168 String expectedStartTag, BlobXmlRestorer functor) 19169 throws IOException, XmlPullParserException { 19170 int type; 19171 while ((type = parser.next()) != XmlPullParser.START_TAG 19172 && type != XmlPullParser.END_DOCUMENT) { 19173 } 19174 if (type != XmlPullParser.START_TAG) { 19175 // oops didn't find a start tag?! 19176 if (DEBUG_BACKUP) { 19177 Slog.e(TAG, "Didn't find start tag during restore"); 19178 } 19179 return; 19180 } 19181Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 19182 // this is supposed to be TAG_PREFERRED_BACKUP 19183 if (!expectedStartTag.equals(parser.getName())) { 19184 if (DEBUG_BACKUP) { 19185 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 19186 } 19187 return; 19188 } 19189 19190 // skip interfering stuff, then we're aligned with the backing implementation 19191 while ((type = parser.next()) == XmlPullParser.TEXT) { } 19192Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 19193 functor.apply(parser, userId); 19194 } 19195 19196 private interface BlobXmlRestorer { 19197 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 19198 } 19199 19200 /** 19201 * Non-Binder method, support for the backup/restore mechanism: write the 19202 * full set of preferred activities in its canonical XML format. Returns the 19203 * XML output as a byte array, or null if there is none. 19204 */ 19205 @Override 19206 public byte[] getPreferredActivityBackup(int userId) { 19207 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19208 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 19209 } 19210 19211 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19212 try { 19213 final XmlSerializer serializer = new FastXmlSerializer(); 19214 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19215 serializer.startDocument(null, true); 19216 serializer.startTag(null, TAG_PREFERRED_BACKUP); 19217 19218 synchronized (mPackages) { 19219 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 19220 } 19221 19222 serializer.endTag(null, TAG_PREFERRED_BACKUP); 19223 serializer.endDocument(); 19224 serializer.flush(); 19225 } catch (Exception e) { 19226 if (DEBUG_BACKUP) { 19227 Slog.e(TAG, "Unable to write preferred activities for backup", e); 19228 } 19229 return null; 19230 } 19231 19232 return dataStream.toByteArray(); 19233 } 19234 19235 @Override 19236 public void restorePreferredActivities(byte[] backup, int userId) { 19237 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19238 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19239 } 19240 19241 try { 19242 final XmlPullParser parser = Xml.newPullParser(); 19243 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19244 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 19245 new BlobXmlRestorer() { 19246 @Override 19247 public void apply(XmlPullParser parser, int userId) 19248 throws XmlPullParserException, IOException { 19249 synchronized (mPackages) { 19250 mSettings.readPreferredActivitiesLPw(parser, userId); 19251 } 19252 } 19253 } ); 19254 } catch (Exception e) { 19255 if (DEBUG_BACKUP) { 19256 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19257 } 19258 } 19259 } 19260 19261 /** 19262 * Non-Binder method, support for the backup/restore mechanism: write the 19263 * default browser (etc) settings in its canonical XML format. Returns the default 19264 * browser XML representation as a byte array, or null if there is none. 19265 */ 19266 @Override 19267 public byte[] getDefaultAppsBackup(int userId) { 19268 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19269 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 19270 } 19271 19272 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19273 try { 19274 final XmlSerializer serializer = new FastXmlSerializer(); 19275 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19276 serializer.startDocument(null, true); 19277 serializer.startTag(null, TAG_DEFAULT_APPS); 19278 19279 synchronized (mPackages) { 19280 mSettings.writeDefaultAppsLPr(serializer, userId); 19281 } 19282 19283 serializer.endTag(null, TAG_DEFAULT_APPS); 19284 serializer.endDocument(); 19285 serializer.flush(); 19286 } catch (Exception e) { 19287 if (DEBUG_BACKUP) { 19288 Slog.e(TAG, "Unable to write default apps for backup", e); 19289 } 19290 return null; 19291 } 19292 19293 return dataStream.toByteArray(); 19294 } 19295 19296 @Override 19297 public void restoreDefaultApps(byte[] backup, int userId) { 19298 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19299 throw new SecurityException("Only the system may call restoreDefaultApps()"); 19300 } 19301 19302 try { 19303 final XmlPullParser parser = Xml.newPullParser(); 19304 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19305 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 19306 new BlobXmlRestorer() { 19307 @Override 19308 public void apply(XmlPullParser parser, int userId) 19309 throws XmlPullParserException, IOException { 19310 synchronized (mPackages) { 19311 mSettings.readDefaultAppsLPw(parser, userId); 19312 } 19313 } 19314 } ); 19315 } catch (Exception e) { 19316 if (DEBUG_BACKUP) { 19317 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 19318 } 19319 } 19320 } 19321 19322 @Override 19323 public byte[] getIntentFilterVerificationBackup(int userId) { 19324 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19325 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 19326 } 19327 19328 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19329 try { 19330 final XmlSerializer serializer = new FastXmlSerializer(); 19331 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19332 serializer.startDocument(null, true); 19333 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 19334 19335 synchronized (mPackages) { 19336 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 19337 } 19338 19339 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 19340 serializer.endDocument(); 19341 serializer.flush(); 19342 } catch (Exception e) { 19343 if (DEBUG_BACKUP) { 19344 Slog.e(TAG, "Unable to write default apps for backup", e); 19345 } 19346 return null; 19347 } 19348 19349 return dataStream.toByteArray(); 19350 } 19351 19352 @Override 19353 public void restoreIntentFilterVerification(byte[] backup, int userId) { 19354 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19355 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19356 } 19357 19358 try { 19359 final XmlPullParser parser = Xml.newPullParser(); 19360 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19361 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 19362 new BlobXmlRestorer() { 19363 @Override 19364 public void apply(XmlPullParser parser, int userId) 19365 throws XmlPullParserException, IOException { 19366 synchronized (mPackages) { 19367 mSettings.readAllDomainVerificationsLPr(parser, userId); 19368 mSettings.writeLPr(); 19369 } 19370 } 19371 } ); 19372 } catch (Exception e) { 19373 if (DEBUG_BACKUP) { 19374 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19375 } 19376 } 19377 } 19378 19379 @Override 19380 public byte[] getPermissionGrantBackup(int userId) { 19381 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19382 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 19383 } 19384 19385 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19386 try { 19387 final XmlSerializer serializer = new FastXmlSerializer(); 19388 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19389 serializer.startDocument(null, true); 19390 serializer.startTag(null, TAG_PERMISSION_BACKUP); 19391 19392 synchronized (mPackages) { 19393 serializeRuntimePermissionGrantsLPr(serializer, userId); 19394 } 19395 19396 serializer.endTag(null, TAG_PERMISSION_BACKUP); 19397 serializer.endDocument(); 19398 serializer.flush(); 19399 } catch (Exception e) { 19400 if (DEBUG_BACKUP) { 19401 Slog.e(TAG, "Unable to write default apps for backup", e); 19402 } 19403 return null; 19404 } 19405 19406 return dataStream.toByteArray(); 19407 } 19408 19409 @Override 19410 public void restorePermissionGrants(byte[] backup, int userId) { 19411 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19412 throw new SecurityException("Only the system may call restorePermissionGrants()"); 19413 } 19414 19415 try { 19416 final XmlPullParser parser = Xml.newPullParser(); 19417 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19418 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 19419 new BlobXmlRestorer() { 19420 @Override 19421 public void apply(XmlPullParser parser, int userId) 19422 throws XmlPullParserException, IOException { 19423 synchronized (mPackages) { 19424 processRestoredPermissionGrantsLPr(parser, userId); 19425 } 19426 } 19427 } ); 19428 } catch (Exception e) { 19429 if (DEBUG_BACKUP) { 19430 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19431 } 19432 } 19433 } 19434 19435 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 19436 throws IOException { 19437 serializer.startTag(null, TAG_ALL_GRANTS); 19438 19439 final int N = mSettings.mPackages.size(); 19440 for (int i = 0; i < N; i++) { 19441 final PackageSetting ps = mSettings.mPackages.valueAt(i); 19442 boolean pkgGrantsKnown = false; 19443 19444 PermissionsState packagePerms = ps.getPermissionsState(); 19445 19446 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 19447 final int grantFlags = state.getFlags(); 19448 // only look at grants that are not system/policy fixed 19449 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 19450 final boolean isGranted = state.isGranted(); 19451 // And only back up the user-twiddled state bits 19452 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 19453 final String packageName = mSettings.mPackages.keyAt(i); 19454 if (!pkgGrantsKnown) { 19455 serializer.startTag(null, TAG_GRANT); 19456 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 19457 pkgGrantsKnown = true; 19458 } 19459 19460 final boolean userSet = 19461 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 19462 final boolean userFixed = 19463 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 19464 final boolean revoke = 19465 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 19466 19467 serializer.startTag(null, TAG_PERMISSION); 19468 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 19469 if (isGranted) { 19470 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 19471 } 19472 if (userSet) { 19473 serializer.attribute(null, ATTR_USER_SET, "true"); 19474 } 19475 if (userFixed) { 19476 serializer.attribute(null, ATTR_USER_FIXED, "true"); 19477 } 19478 if (revoke) { 19479 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 19480 } 19481 serializer.endTag(null, TAG_PERMISSION); 19482 } 19483 } 19484 } 19485 19486 if (pkgGrantsKnown) { 19487 serializer.endTag(null, TAG_GRANT); 19488 } 19489 } 19490 19491 serializer.endTag(null, TAG_ALL_GRANTS); 19492 } 19493 19494 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 19495 throws XmlPullParserException, IOException { 19496 String pkgName = null; 19497 int outerDepth = parser.getDepth(); 19498 int type; 19499 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 19500 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 19501 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 19502 continue; 19503 } 19504 19505 final String tagName = parser.getName(); 19506 if (tagName.equals(TAG_GRANT)) { 19507 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 19508 if (DEBUG_BACKUP) { 19509 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 19510 } 19511 } else if (tagName.equals(TAG_PERMISSION)) { 19512 19513 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 19514 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 19515 19516 int newFlagSet = 0; 19517 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 19518 newFlagSet |= FLAG_PERMISSION_USER_SET; 19519 } 19520 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 19521 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 19522 } 19523 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 19524 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 19525 } 19526 if (DEBUG_BACKUP) { 19527 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 19528 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 19529 } 19530 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19531 if (ps != null) { 19532 // Already installed so we apply the grant immediately 19533 if (DEBUG_BACKUP) { 19534 Slog.v(TAG, " + already installed; applying"); 19535 } 19536 PermissionsState perms = ps.getPermissionsState(); 19537 BasePermission bp = mSettings.mPermissions.get(permName); 19538 if (bp != null) { 19539 if (isGranted) { 19540 perms.grantRuntimePermission(bp, userId); 19541 } 19542 if (newFlagSet != 0) { 19543 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 19544 } 19545 } 19546 } else { 19547 // Need to wait for post-restore install to apply the grant 19548 if (DEBUG_BACKUP) { 19549 Slog.v(TAG, " - not yet installed; saving for later"); 19550 } 19551 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 19552 isGranted, newFlagSet, userId); 19553 } 19554 } else { 19555 PackageManagerService.reportSettingsProblem(Log.WARN, 19556 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 19557 XmlUtils.skipCurrentTag(parser); 19558 } 19559 } 19560 19561 scheduleWriteSettingsLocked(); 19562 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 19563 } 19564 19565 @Override 19566 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 19567 int sourceUserId, int targetUserId, int flags) { 19568 mContext.enforceCallingOrSelfPermission( 19569 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19570 int callingUid = Binder.getCallingUid(); 19571 enforceOwnerRights(ownerPackage, callingUid); 19572 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19573 if (intentFilter.countActions() == 0) { 19574 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 19575 return; 19576 } 19577 synchronized (mPackages) { 19578 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 19579 ownerPackage, targetUserId, flags); 19580 CrossProfileIntentResolver resolver = 19581 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19582 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 19583 // We have all those whose filter is equal. Now checking if the rest is equal as well. 19584 if (existing != null) { 19585 int size = existing.size(); 19586 for (int i = 0; i < size; i++) { 19587 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 19588 return; 19589 } 19590 } 19591 } 19592 resolver.addFilter(newFilter); 19593 scheduleWritePackageRestrictionsLocked(sourceUserId); 19594 } 19595 } 19596 19597 @Override 19598 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 19599 mContext.enforceCallingOrSelfPermission( 19600 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19601 int callingUid = Binder.getCallingUid(); 19602 enforceOwnerRights(ownerPackage, callingUid); 19603 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19604 synchronized (mPackages) { 19605 CrossProfileIntentResolver resolver = 19606 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19607 ArraySet<CrossProfileIntentFilter> set = 19608 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 19609 for (CrossProfileIntentFilter filter : set) { 19610 if (filter.getOwnerPackage().equals(ownerPackage)) { 19611 resolver.removeFilter(filter); 19612 } 19613 } 19614 scheduleWritePackageRestrictionsLocked(sourceUserId); 19615 } 19616 } 19617 19618 // Enforcing that callingUid is owning pkg on userId 19619 private void enforceOwnerRights(String pkg, int callingUid) { 19620 // The system owns everything. 19621 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 19622 return; 19623 } 19624 int callingUserId = UserHandle.getUserId(callingUid); 19625 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 19626 if (pi == null) { 19627 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 19628 + callingUserId); 19629 } 19630 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 19631 throw new SecurityException("Calling uid " + callingUid 19632 + " does not own package " + pkg); 19633 } 19634 } 19635 19636 @Override 19637 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 19638 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 19639 } 19640 19641 private Intent getHomeIntent() { 19642 Intent intent = new Intent(Intent.ACTION_MAIN); 19643 intent.addCategory(Intent.CATEGORY_HOME); 19644 intent.addCategory(Intent.CATEGORY_DEFAULT); 19645 return intent; 19646 } 19647 19648 private IntentFilter getHomeFilter() { 19649 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 19650 filter.addCategory(Intent.CATEGORY_HOME); 19651 filter.addCategory(Intent.CATEGORY_DEFAULT); 19652 return filter; 19653 } 19654 19655 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19656 int userId) { 19657 Intent intent = getHomeIntent(); 19658 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 19659 PackageManager.GET_META_DATA, userId); 19660 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 19661 true, false, false, userId); 19662 19663 allHomeCandidates.clear(); 19664 if (list != null) { 19665 for (ResolveInfo ri : list) { 19666 allHomeCandidates.add(ri); 19667 } 19668 } 19669 return (preferred == null || preferred.activityInfo == null) 19670 ? null 19671 : new ComponentName(preferred.activityInfo.packageName, 19672 preferred.activityInfo.name); 19673 } 19674 19675 @Override 19676 public void setHomeActivity(ComponentName comp, int userId) { 19677 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 19678 getHomeActivitiesAsUser(homeActivities, userId); 19679 19680 boolean found = false; 19681 19682 final int size = homeActivities.size(); 19683 final ComponentName[] set = new ComponentName[size]; 19684 for (int i = 0; i < size; i++) { 19685 final ResolveInfo candidate = homeActivities.get(i); 19686 final ActivityInfo info = candidate.activityInfo; 19687 final ComponentName activityName = new ComponentName(info.packageName, info.name); 19688 set[i] = activityName; 19689 if (!found && activityName.equals(comp)) { 19690 found = true; 19691 } 19692 } 19693 if (!found) { 19694 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 19695 + userId); 19696 } 19697 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 19698 set, comp, userId); 19699 } 19700 19701 private @Nullable String getSetupWizardPackageName() { 19702 final Intent intent = new Intent(Intent.ACTION_MAIN); 19703 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 19704 19705 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19706 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19707 | MATCH_DISABLED_COMPONENTS, 19708 UserHandle.myUserId()); 19709 if (matches.size() == 1) { 19710 return matches.get(0).getComponentInfo().packageName; 19711 } else { 19712 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 19713 + ": matches=" + matches); 19714 return null; 19715 } 19716 } 19717 19718 private @Nullable String getStorageManagerPackageName() { 19719 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 19720 19721 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19722 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19723 | MATCH_DISABLED_COMPONENTS, 19724 UserHandle.myUserId()); 19725 if (matches.size() == 1) { 19726 return matches.get(0).getComponentInfo().packageName; 19727 } else { 19728 Slog.e(TAG, "There should probably be exactly one storage manager; found " 19729 + matches.size() + ": matches=" + matches); 19730 return null; 19731 } 19732 } 19733 19734 @Override 19735 public void setApplicationEnabledSetting(String appPackageName, 19736 int newState, int flags, int userId, String callingPackage) { 19737 if (!sUserManager.exists(userId)) return; 19738 if (callingPackage == null) { 19739 callingPackage = Integer.toString(Binder.getCallingUid()); 19740 } 19741 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 19742 } 19743 19744 @Override 19745 public void setComponentEnabledSetting(ComponentName componentName, 19746 int newState, int flags, int userId) { 19747 if (!sUserManager.exists(userId)) return; 19748 setEnabledSetting(componentName.getPackageName(), 19749 componentName.getClassName(), newState, flags, userId, null); 19750 } 19751 19752 private void setEnabledSetting(final String packageName, String className, int newState, 19753 final int flags, int userId, String callingPackage) { 19754 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 19755 || newState == COMPONENT_ENABLED_STATE_ENABLED 19756 || newState == COMPONENT_ENABLED_STATE_DISABLED 19757 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19758 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 19759 throw new IllegalArgumentException("Invalid new component state: " 19760 + newState); 19761 } 19762 PackageSetting pkgSetting; 19763 final int uid = Binder.getCallingUid(); 19764 final int permission; 19765 if (uid == Process.SYSTEM_UID) { 19766 permission = PackageManager.PERMISSION_GRANTED; 19767 } else { 19768 permission = mContext.checkCallingOrSelfPermission( 19769 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19770 } 19771 enforceCrossUserPermission(uid, userId, 19772 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 19773 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19774 boolean sendNow = false; 19775 boolean isApp = (className == null); 19776 String componentName = isApp ? packageName : className; 19777 int packageUid = -1; 19778 ArrayList<String> components; 19779 19780 // writer 19781 synchronized (mPackages) { 19782 pkgSetting = mSettings.mPackages.get(packageName); 19783 if (pkgSetting == null) { 19784 if (className == null) { 19785 throw new IllegalArgumentException("Unknown package: " + packageName); 19786 } 19787 throw new IllegalArgumentException( 19788 "Unknown component: " + packageName + "/" + className); 19789 } 19790 } 19791 19792 // Limit who can change which apps 19793 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 19794 // Don't allow apps that don't have permission to modify other apps 19795 if (!allowedByPermission) { 19796 throw new SecurityException( 19797 "Permission Denial: attempt to change component state from pid=" 19798 + Binder.getCallingPid() 19799 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 19800 } 19801 // Don't allow changing protected packages. 19802 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 19803 throw new SecurityException("Cannot disable a protected package: " + packageName); 19804 } 19805 } 19806 19807 synchronized (mPackages) { 19808 if (uid == Process.SHELL_UID 19809 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 19810 // Shell can only change whole packages between ENABLED and DISABLED_USER states 19811 // unless it is a test package. 19812 int oldState = pkgSetting.getEnabled(userId); 19813 if (className == null 19814 && 19815 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 19816 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 19817 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 19818 && 19819 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19820 || newState == COMPONENT_ENABLED_STATE_DEFAULT 19821 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 19822 // ok 19823 } else { 19824 throw new SecurityException( 19825 "Shell cannot change component state for " + packageName + "/" 19826 + className + " to " + newState); 19827 } 19828 } 19829 if (className == null) { 19830 // We're dealing with an application/package level state change 19831 if (pkgSetting.getEnabled(userId) == newState) { 19832 // Nothing to do 19833 return; 19834 } 19835 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 19836 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 19837 // Don't care about who enables an app. 19838 callingPackage = null; 19839 } 19840 pkgSetting.setEnabled(newState, userId, callingPackage); 19841 // pkgSetting.pkg.mSetEnabled = newState; 19842 } else { 19843 // We're dealing with a component level state change 19844 // First, verify that this is a valid class name. 19845 PackageParser.Package pkg = pkgSetting.pkg; 19846 if (pkg == null || !pkg.hasComponentClassName(className)) { 19847 if (pkg != null && 19848 pkg.applicationInfo.targetSdkVersion >= 19849 Build.VERSION_CODES.JELLY_BEAN) { 19850 throw new IllegalArgumentException("Component class " + className 19851 + " does not exist in " + packageName); 19852 } else { 19853 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 19854 + className + " does not exist in " + packageName); 19855 } 19856 } 19857 switch (newState) { 19858 case COMPONENT_ENABLED_STATE_ENABLED: 19859 if (!pkgSetting.enableComponentLPw(className, userId)) { 19860 return; 19861 } 19862 break; 19863 case COMPONENT_ENABLED_STATE_DISABLED: 19864 if (!pkgSetting.disableComponentLPw(className, userId)) { 19865 return; 19866 } 19867 break; 19868 case COMPONENT_ENABLED_STATE_DEFAULT: 19869 if (!pkgSetting.restoreComponentLPw(className, userId)) { 19870 return; 19871 } 19872 break; 19873 default: 19874 Slog.e(TAG, "Invalid new component state: " + newState); 19875 return; 19876 } 19877 } 19878 scheduleWritePackageRestrictionsLocked(userId); 19879 updateSequenceNumberLP(packageName, new int[] { userId }); 19880 components = mPendingBroadcasts.get(userId, packageName); 19881 final boolean newPackage = components == null; 19882 if (newPackage) { 19883 components = new ArrayList<String>(); 19884 } 19885 if (!components.contains(componentName)) { 19886 components.add(componentName); 19887 } 19888 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 19889 sendNow = true; 19890 // Purge entry from pending broadcast list if another one exists already 19891 // since we are sending one right away. 19892 mPendingBroadcasts.remove(userId, packageName); 19893 } else { 19894 if (newPackage) { 19895 mPendingBroadcasts.put(userId, packageName, components); 19896 } 19897 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 19898 // Schedule a message 19899 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 19900 } 19901 } 19902 } 19903 19904 long callingId = Binder.clearCallingIdentity(); 19905 try { 19906 if (sendNow) { 19907 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 19908 sendPackageChangedBroadcast(packageName, 19909 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 19910 } 19911 } finally { 19912 Binder.restoreCallingIdentity(callingId); 19913 } 19914 } 19915 19916 @Override 19917 public void flushPackageRestrictionsAsUser(int userId) { 19918 if (!sUserManager.exists(userId)) { 19919 return; 19920 } 19921 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 19922 false /* checkShell */, "flushPackageRestrictions"); 19923 synchronized (mPackages) { 19924 mSettings.writePackageRestrictionsLPr(userId); 19925 mDirtyUsers.remove(userId); 19926 if (mDirtyUsers.isEmpty()) { 19927 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 19928 } 19929 } 19930 } 19931 19932 private void sendPackageChangedBroadcast(String packageName, 19933 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 19934 if (DEBUG_INSTALL) 19935 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 19936 + componentNames); 19937 Bundle extras = new Bundle(4); 19938 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 19939 String nameList[] = new String[componentNames.size()]; 19940 componentNames.toArray(nameList); 19941 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 19942 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 19943 extras.putInt(Intent.EXTRA_UID, packageUid); 19944 // If this is not reporting a change of the overall package, then only send it 19945 // to registered receivers. We don't want to launch a swath of apps for every 19946 // little component state change. 19947 final int flags = !componentNames.contains(packageName) 19948 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 19949 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 19950 new int[] {UserHandle.getUserId(packageUid)}); 19951 } 19952 19953 @Override 19954 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 19955 if (!sUserManager.exists(userId)) return; 19956 final int uid = Binder.getCallingUid(); 19957 final int permission = mContext.checkCallingOrSelfPermission( 19958 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19959 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19960 enforceCrossUserPermission(uid, userId, 19961 true /* requireFullPermission */, true /* checkShell */, "stop package"); 19962 // writer 19963 synchronized (mPackages) { 19964 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 19965 allowedByPermission, uid, userId)) { 19966 scheduleWritePackageRestrictionsLocked(userId); 19967 } 19968 } 19969 } 19970 19971 @Override 19972 public String getInstallerPackageName(String packageName) { 19973 // reader 19974 synchronized (mPackages) { 19975 return mSettings.getInstallerPackageNameLPr(packageName); 19976 } 19977 } 19978 19979 public boolean isOrphaned(String packageName) { 19980 // reader 19981 synchronized (mPackages) { 19982 return mSettings.isOrphaned(packageName); 19983 } 19984 } 19985 19986 @Override 19987 public int getApplicationEnabledSetting(String packageName, int userId) { 19988 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19989 int uid = Binder.getCallingUid(); 19990 enforceCrossUserPermission(uid, userId, 19991 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 19992 // reader 19993 synchronized (mPackages) { 19994 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 19995 } 19996 } 19997 19998 @Override 19999 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 20000 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 20001 int uid = Binder.getCallingUid(); 20002 enforceCrossUserPermission(uid, userId, 20003 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 20004 // reader 20005 synchronized (mPackages) { 20006 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 20007 } 20008 } 20009 20010 @Override 20011 public void enterSafeMode() { 20012 enforceSystemOrRoot("Only the system can request entering safe mode"); 20013 20014 if (!mSystemReady) { 20015 mSafeMode = true; 20016 } 20017 } 20018 20019 @Override 20020 public void systemReady() { 20021 mSystemReady = true; 20022 20023 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 20024 // disabled after already being started. 20025 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 20026 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 20027 20028 // Read the compatibilty setting when the system is ready. 20029 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 20030 mContext.getContentResolver(), 20031 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 20032 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 20033 if (DEBUG_SETTINGS) { 20034 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 20035 } 20036 20037 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 20038 20039 synchronized (mPackages) { 20040 // Verify that all of the preferred activity components actually 20041 // exist. It is possible for applications to be updated and at 20042 // that point remove a previously declared activity component that 20043 // had been set as a preferred activity. We try to clean this up 20044 // the next time we encounter that preferred activity, but it is 20045 // possible for the user flow to never be able to return to that 20046 // situation so here we do a sanity check to make sure we haven't 20047 // left any junk around. 20048 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 20049 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20050 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20051 removed.clear(); 20052 for (PreferredActivity pa : pir.filterSet()) { 20053 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 20054 removed.add(pa); 20055 } 20056 } 20057 if (removed.size() > 0) { 20058 for (int r=0; r<removed.size(); r++) { 20059 PreferredActivity pa = removed.get(r); 20060 Slog.w(TAG, "Removing dangling preferred activity: " 20061 + pa.mPref.mComponent); 20062 pir.removeFilter(pa); 20063 } 20064 mSettings.writePackageRestrictionsLPr( 20065 mSettings.mPreferredActivities.keyAt(i)); 20066 } 20067 } 20068 20069 for (int userId : UserManagerService.getInstance().getUserIds()) { 20070 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20071 grantPermissionsUserIds = ArrayUtils.appendInt( 20072 grantPermissionsUserIds, userId); 20073 } 20074 } 20075 } 20076 sUserManager.systemReady(); 20077 20078 // If we upgraded grant all default permissions before kicking off. 20079 for (int userId : grantPermissionsUserIds) { 20080 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20081 } 20082 20083 // If we did not grant default permissions, we preload from this the 20084 // default permission exceptions lazily to ensure we don't hit the 20085 // disk on a new user creation. 20086 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 20087 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 20088 } 20089 20090 // Kick off any messages waiting for system ready 20091 if (mPostSystemReadyMessages != null) { 20092 for (Message msg : mPostSystemReadyMessages) { 20093 msg.sendToTarget(); 20094 } 20095 mPostSystemReadyMessages = null; 20096 } 20097 20098 // Watch for external volumes that come and go over time 20099 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20100 storage.registerListener(mStorageListener); 20101 20102 mInstallerService.systemReady(); 20103 mPackageDexOptimizer.systemReady(); 20104 20105 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 20106 StorageManagerInternal.class); 20107 StorageManagerInternal.addExternalStoragePolicy( 20108 new StorageManagerInternal.ExternalStorageMountPolicy() { 20109 @Override 20110 public int getMountMode(int uid, String packageName) { 20111 if (Process.isIsolated(uid)) { 20112 return Zygote.MOUNT_EXTERNAL_NONE; 20113 } 20114 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 20115 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20116 } 20117 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20118 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20119 } 20120 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20121 return Zygote.MOUNT_EXTERNAL_READ; 20122 } 20123 return Zygote.MOUNT_EXTERNAL_WRITE; 20124 } 20125 20126 @Override 20127 public boolean hasExternalStorage(int uid, String packageName) { 20128 return true; 20129 } 20130 }); 20131 20132 // Now that we're mostly running, clean up stale users and apps 20133 sUserManager.reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 20134 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 20135 20136 if (mPrivappPermissionsViolations != null) { 20137 Slog.wtf(TAG,"Signature|privileged permissions not in " 20138 + "privapp-permissions whitelist: " + mPrivappPermissionsViolations); 20139 mPrivappPermissionsViolations = null; 20140 } 20141 } 20142 20143 public void waitForAppDataPrepared() { 20144 if (mPrepareAppDataFuture == null) { 20145 return; 20146 } 20147 ConcurrentUtils.waitForFutureNoInterrupt(mPrepareAppDataFuture, "wait for prepareAppData"); 20148 mPrepareAppDataFuture = null; 20149 } 20150 20151 @Override 20152 public boolean isSafeMode() { 20153 return mSafeMode; 20154 } 20155 20156 @Override 20157 public boolean hasSystemUidErrors() { 20158 return mHasSystemUidErrors; 20159 } 20160 20161 static String arrayToString(int[] array) { 20162 StringBuffer buf = new StringBuffer(128); 20163 buf.append('['); 20164 if (array != null) { 20165 for (int i=0; i<array.length; i++) { 20166 if (i > 0) buf.append(", "); 20167 buf.append(array[i]); 20168 } 20169 } 20170 buf.append(']'); 20171 return buf.toString(); 20172 } 20173 20174 static class DumpState { 20175 public static final int DUMP_LIBS = 1 << 0; 20176 public static final int DUMP_FEATURES = 1 << 1; 20177 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 20178 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 20179 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 20180 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 20181 public static final int DUMP_PERMISSIONS = 1 << 6; 20182 public static final int DUMP_PACKAGES = 1 << 7; 20183 public static final int DUMP_SHARED_USERS = 1 << 8; 20184 public static final int DUMP_MESSAGES = 1 << 9; 20185 public static final int DUMP_PROVIDERS = 1 << 10; 20186 public static final int DUMP_VERIFIERS = 1 << 11; 20187 public static final int DUMP_PREFERRED = 1 << 12; 20188 public static final int DUMP_PREFERRED_XML = 1 << 13; 20189 public static final int DUMP_KEYSETS = 1 << 14; 20190 public static final int DUMP_VERSION = 1 << 15; 20191 public static final int DUMP_INSTALLS = 1 << 16; 20192 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 20193 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 20194 public static final int DUMP_FROZEN = 1 << 19; 20195 public static final int DUMP_DEXOPT = 1 << 20; 20196 public static final int DUMP_COMPILER_STATS = 1 << 21; 20197 public static final int DUMP_ENABLED_OVERLAYS = 1 << 22; 20198 20199 public static final int OPTION_SHOW_FILTERS = 1 << 0; 20200 20201 private int mTypes; 20202 20203 private int mOptions; 20204 20205 private boolean mTitlePrinted; 20206 20207 private SharedUserSetting mSharedUser; 20208 20209 public boolean isDumping(int type) { 20210 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 20211 return true; 20212 } 20213 20214 return (mTypes & type) != 0; 20215 } 20216 20217 public void setDump(int type) { 20218 mTypes |= type; 20219 } 20220 20221 public boolean isOptionEnabled(int option) { 20222 return (mOptions & option) != 0; 20223 } 20224 20225 public void setOptionEnabled(int option) { 20226 mOptions |= option; 20227 } 20228 20229 public boolean onTitlePrinted() { 20230 final boolean printed = mTitlePrinted; 20231 mTitlePrinted = true; 20232 return printed; 20233 } 20234 20235 public boolean getTitlePrinted() { 20236 return mTitlePrinted; 20237 } 20238 20239 public void setTitlePrinted(boolean enabled) { 20240 mTitlePrinted = enabled; 20241 } 20242 20243 public SharedUserSetting getSharedUser() { 20244 return mSharedUser; 20245 } 20246 20247 public void setSharedUser(SharedUserSetting user) { 20248 mSharedUser = user; 20249 } 20250 } 20251 20252 @Override 20253 public void onShellCommand(FileDescriptor in, FileDescriptor out, 20254 FileDescriptor err, String[] args, ShellCallback callback, 20255 ResultReceiver resultReceiver) { 20256 (new PackageManagerShellCommand(this)).exec( 20257 this, in, out, err, args, callback, resultReceiver); 20258 } 20259 20260 @Override 20261 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 20262 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 20263 != PackageManager.PERMISSION_GRANTED) { 20264 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 20265 + Binder.getCallingPid() 20266 + ", uid=" + Binder.getCallingUid() 20267 + " without permission " 20268 + android.Manifest.permission.DUMP); 20269 return; 20270 } 20271 20272 DumpState dumpState = new DumpState(); 20273 boolean fullPreferred = false; 20274 boolean checkin = false; 20275 20276 String packageName = null; 20277 ArraySet<String> permissionNames = null; 20278 20279 int opti = 0; 20280 while (opti < args.length) { 20281 String opt = args[opti]; 20282 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 20283 break; 20284 } 20285 opti++; 20286 20287 if ("-a".equals(opt)) { 20288 // Right now we only know how to print all. 20289 } else if ("-h".equals(opt)) { 20290 pw.println("Package manager dump options:"); 20291 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 20292 pw.println(" --checkin: dump for a checkin"); 20293 pw.println(" -f: print details of intent filters"); 20294 pw.println(" -h: print this help"); 20295 pw.println(" cmd may be one of:"); 20296 pw.println(" l[ibraries]: list known shared libraries"); 20297 pw.println(" f[eatures]: list device features"); 20298 pw.println(" k[eysets]: print known keysets"); 20299 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 20300 pw.println(" perm[issions]: dump permissions"); 20301 pw.println(" permission [name ...]: dump declaration and use of given permission"); 20302 pw.println(" pref[erred]: print preferred package settings"); 20303 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 20304 pw.println(" prov[iders]: dump content providers"); 20305 pw.println(" p[ackages]: dump installed packages"); 20306 pw.println(" s[hared-users]: dump shared user IDs"); 20307 pw.println(" m[essages]: print collected runtime messages"); 20308 pw.println(" v[erifiers]: print package verifier info"); 20309 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 20310 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 20311 pw.println(" version: print database version info"); 20312 pw.println(" write: write current settings now"); 20313 pw.println(" installs: details about install sessions"); 20314 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 20315 pw.println(" dexopt: dump dexopt state"); 20316 pw.println(" compiler-stats: dump compiler statistics"); 20317 pw.println(" enabled-overlays: dump list of enabled overlay packages"); 20318 pw.println(" <package.name>: info about given package"); 20319 return; 20320 } else if ("--checkin".equals(opt)) { 20321 checkin = true; 20322 } else if ("-f".equals(opt)) { 20323 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20324 } else if ("--proto".equals(opt)) { 20325 dumpProto(fd); 20326 return; 20327 } else { 20328 pw.println("Unknown argument: " + opt + "; use -h for help"); 20329 } 20330 } 20331 20332 // Is the caller requesting to dump a particular piece of data? 20333 if (opti < args.length) { 20334 String cmd = args[opti]; 20335 opti++; 20336 // Is this a package name? 20337 if ("android".equals(cmd) || cmd.contains(".")) { 20338 packageName = cmd; 20339 // When dumping a single package, we always dump all of its 20340 // filter information since the amount of data will be reasonable. 20341 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20342 } else if ("check-permission".equals(cmd)) { 20343 if (opti >= args.length) { 20344 pw.println("Error: check-permission missing permission argument"); 20345 return; 20346 } 20347 String perm = args[opti]; 20348 opti++; 20349 if (opti >= args.length) { 20350 pw.println("Error: check-permission missing package argument"); 20351 return; 20352 } 20353 20354 String pkg = args[opti]; 20355 opti++; 20356 int user = UserHandle.getUserId(Binder.getCallingUid()); 20357 if (opti < args.length) { 20358 try { 20359 user = Integer.parseInt(args[opti]); 20360 } catch (NumberFormatException e) { 20361 pw.println("Error: check-permission user argument is not a number: " 20362 + args[opti]); 20363 return; 20364 } 20365 } 20366 20367 // Normalize package name to handle renamed packages and static libs 20368 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 20369 20370 pw.println(checkPermission(perm, pkg, user)); 20371 return; 20372 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 20373 dumpState.setDump(DumpState.DUMP_LIBS); 20374 } else if ("f".equals(cmd) || "features".equals(cmd)) { 20375 dumpState.setDump(DumpState.DUMP_FEATURES); 20376 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 20377 if (opti >= args.length) { 20378 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 20379 | DumpState.DUMP_SERVICE_RESOLVERS 20380 | DumpState.DUMP_RECEIVER_RESOLVERS 20381 | DumpState.DUMP_CONTENT_RESOLVERS); 20382 } else { 20383 while (opti < args.length) { 20384 String name = args[opti]; 20385 if ("a".equals(name) || "activity".equals(name)) { 20386 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 20387 } else if ("s".equals(name) || "service".equals(name)) { 20388 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 20389 } else if ("r".equals(name) || "receiver".equals(name)) { 20390 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 20391 } else if ("c".equals(name) || "content".equals(name)) { 20392 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 20393 } else { 20394 pw.println("Error: unknown resolver table type: " + name); 20395 return; 20396 } 20397 opti++; 20398 } 20399 } 20400 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 20401 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 20402 } else if ("permission".equals(cmd)) { 20403 if (opti >= args.length) { 20404 pw.println("Error: permission requires permission name"); 20405 return; 20406 } 20407 permissionNames = new ArraySet<>(); 20408 while (opti < args.length) { 20409 permissionNames.add(args[opti]); 20410 opti++; 20411 } 20412 dumpState.setDump(DumpState.DUMP_PERMISSIONS 20413 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 20414 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 20415 dumpState.setDump(DumpState.DUMP_PREFERRED); 20416 } else if ("preferred-xml".equals(cmd)) { 20417 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 20418 if (opti < args.length && "--full".equals(args[opti])) { 20419 fullPreferred = true; 20420 opti++; 20421 } 20422 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 20423 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 20424 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 20425 dumpState.setDump(DumpState.DUMP_PACKAGES); 20426 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 20427 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 20428 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 20429 dumpState.setDump(DumpState.DUMP_PROVIDERS); 20430 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 20431 dumpState.setDump(DumpState.DUMP_MESSAGES); 20432 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 20433 dumpState.setDump(DumpState.DUMP_VERIFIERS); 20434 } else if ("i".equals(cmd) || "ifv".equals(cmd) 20435 || "intent-filter-verifiers".equals(cmd)) { 20436 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 20437 } else if ("version".equals(cmd)) { 20438 dumpState.setDump(DumpState.DUMP_VERSION); 20439 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 20440 dumpState.setDump(DumpState.DUMP_KEYSETS); 20441 } else if ("installs".equals(cmd)) { 20442 dumpState.setDump(DumpState.DUMP_INSTALLS); 20443 } else if ("frozen".equals(cmd)) { 20444 dumpState.setDump(DumpState.DUMP_FROZEN); 20445 } else if ("dexopt".equals(cmd)) { 20446 dumpState.setDump(DumpState.DUMP_DEXOPT); 20447 } else if ("compiler-stats".equals(cmd)) { 20448 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 20449 } else if ("enabled-overlays".equals(cmd)) { 20450 dumpState.setDump(DumpState.DUMP_ENABLED_OVERLAYS); 20451 } else if ("write".equals(cmd)) { 20452 synchronized (mPackages) { 20453 mSettings.writeLPr(); 20454 pw.println("Settings written."); 20455 return; 20456 } 20457 } 20458 } 20459 20460 if (checkin) { 20461 pw.println("vers,1"); 20462 } 20463 20464 // reader 20465 synchronized (mPackages) { 20466 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 20467 if (!checkin) { 20468 if (dumpState.onTitlePrinted()) 20469 pw.println(); 20470 pw.println("Database versions:"); 20471 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 20472 } 20473 } 20474 20475 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 20476 if (!checkin) { 20477 if (dumpState.onTitlePrinted()) 20478 pw.println(); 20479 pw.println("Verifiers:"); 20480 pw.print(" Required: "); 20481 pw.print(mRequiredVerifierPackage); 20482 pw.print(" (uid="); 20483 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20484 UserHandle.USER_SYSTEM)); 20485 pw.println(")"); 20486 } else if (mRequiredVerifierPackage != null) { 20487 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 20488 pw.print(","); 20489 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20490 UserHandle.USER_SYSTEM)); 20491 } 20492 } 20493 20494 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 20495 packageName == null) { 20496 if (mIntentFilterVerifierComponent != null) { 20497 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20498 if (!checkin) { 20499 if (dumpState.onTitlePrinted()) 20500 pw.println(); 20501 pw.println("Intent Filter Verifier:"); 20502 pw.print(" Using: "); 20503 pw.print(verifierPackageName); 20504 pw.print(" (uid="); 20505 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20506 UserHandle.USER_SYSTEM)); 20507 pw.println(")"); 20508 } else if (verifierPackageName != null) { 20509 pw.print("ifv,"); pw.print(verifierPackageName); 20510 pw.print(","); 20511 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20512 UserHandle.USER_SYSTEM)); 20513 } 20514 } else { 20515 pw.println(); 20516 pw.println("No Intent Filter Verifier available!"); 20517 } 20518 } 20519 20520 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 20521 boolean printedHeader = false; 20522 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 20523 while (it.hasNext()) { 20524 String libName = it.next(); 20525 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20526 if (versionedLib == null) { 20527 continue; 20528 } 20529 final int versionCount = versionedLib.size(); 20530 for (int i = 0; i < versionCount; i++) { 20531 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 20532 if (!checkin) { 20533 if (!printedHeader) { 20534 if (dumpState.onTitlePrinted()) 20535 pw.println(); 20536 pw.println("Libraries:"); 20537 printedHeader = true; 20538 } 20539 pw.print(" "); 20540 } else { 20541 pw.print("lib,"); 20542 } 20543 pw.print(libEntry.info.getName()); 20544 if (libEntry.info.isStatic()) { 20545 pw.print(" version=" + libEntry.info.getVersion()); 20546 } 20547 if (!checkin) { 20548 pw.print(" -> "); 20549 } 20550 if (libEntry.path != null) { 20551 pw.print(" (jar) "); 20552 pw.print(libEntry.path); 20553 } else { 20554 pw.print(" (apk) "); 20555 pw.print(libEntry.apk); 20556 } 20557 pw.println(); 20558 } 20559 } 20560 } 20561 20562 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 20563 if (dumpState.onTitlePrinted()) 20564 pw.println(); 20565 if (!checkin) { 20566 pw.println("Features:"); 20567 } 20568 20569 synchronized (mAvailableFeatures) { 20570 for (FeatureInfo feat : mAvailableFeatures.values()) { 20571 if (checkin) { 20572 pw.print("feat,"); 20573 pw.print(feat.name); 20574 pw.print(","); 20575 pw.println(feat.version); 20576 } else { 20577 pw.print(" "); 20578 pw.print(feat.name); 20579 if (feat.version > 0) { 20580 pw.print(" version="); 20581 pw.print(feat.version); 20582 } 20583 pw.println(); 20584 } 20585 } 20586 } 20587 } 20588 20589 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 20590 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 20591 : "Activity Resolver Table:", " ", packageName, 20592 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20593 dumpState.setTitlePrinted(true); 20594 } 20595 } 20596 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 20597 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 20598 : "Receiver Resolver Table:", " ", packageName, 20599 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20600 dumpState.setTitlePrinted(true); 20601 } 20602 } 20603 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 20604 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 20605 : "Service Resolver Table:", " ", packageName, 20606 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20607 dumpState.setTitlePrinted(true); 20608 } 20609 } 20610 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 20611 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 20612 : "Provider Resolver Table:", " ", packageName, 20613 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20614 dumpState.setTitlePrinted(true); 20615 } 20616 } 20617 20618 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 20619 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20620 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20621 int user = mSettings.mPreferredActivities.keyAt(i); 20622 if (pir.dump(pw, 20623 dumpState.getTitlePrinted() 20624 ? "\nPreferred Activities User " + user + ":" 20625 : "Preferred Activities User " + user + ":", " ", 20626 packageName, true, false)) { 20627 dumpState.setTitlePrinted(true); 20628 } 20629 } 20630 } 20631 20632 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 20633 pw.flush(); 20634 FileOutputStream fout = new FileOutputStream(fd); 20635 BufferedOutputStream str = new BufferedOutputStream(fout); 20636 XmlSerializer serializer = new FastXmlSerializer(); 20637 try { 20638 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 20639 serializer.startDocument(null, true); 20640 serializer.setFeature( 20641 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 20642 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 20643 serializer.endDocument(); 20644 serializer.flush(); 20645 } catch (IllegalArgumentException e) { 20646 pw.println("Failed writing: " + e); 20647 } catch (IllegalStateException e) { 20648 pw.println("Failed writing: " + e); 20649 } catch (IOException e) { 20650 pw.println("Failed writing: " + e); 20651 } 20652 } 20653 20654 if (!checkin 20655 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 20656 && packageName == null) { 20657 pw.println(); 20658 int count = mSettings.mPackages.size(); 20659 if (count == 0) { 20660 pw.println("No applications!"); 20661 pw.println(); 20662 } else { 20663 final String prefix = " "; 20664 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 20665 if (allPackageSettings.size() == 0) { 20666 pw.println("No domain preferred apps!"); 20667 pw.println(); 20668 } else { 20669 pw.println("App verification status:"); 20670 pw.println(); 20671 count = 0; 20672 for (PackageSetting ps : allPackageSettings) { 20673 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 20674 if (ivi == null || ivi.getPackageName() == null) continue; 20675 pw.println(prefix + "Package: " + ivi.getPackageName()); 20676 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 20677 pw.println(prefix + "Status: " + ivi.getStatusString()); 20678 pw.println(); 20679 count++; 20680 } 20681 if (count == 0) { 20682 pw.println(prefix + "No app verification established."); 20683 pw.println(); 20684 } 20685 for (int userId : sUserManager.getUserIds()) { 20686 pw.println("App linkages for user " + userId + ":"); 20687 pw.println(); 20688 count = 0; 20689 for (PackageSetting ps : allPackageSettings) { 20690 final long status = ps.getDomainVerificationStatusForUser(userId); 20691 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 20692 && !DEBUG_DOMAIN_VERIFICATION) { 20693 continue; 20694 } 20695 pw.println(prefix + "Package: " + ps.name); 20696 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 20697 String statusStr = IntentFilterVerificationInfo. 20698 getStatusStringFromValue(status); 20699 pw.println(prefix + "Status: " + statusStr); 20700 pw.println(); 20701 count++; 20702 } 20703 if (count == 0) { 20704 pw.println(prefix + "No configured app linkages."); 20705 pw.println(); 20706 } 20707 } 20708 } 20709 } 20710 } 20711 20712 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 20713 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 20714 if (packageName == null && permissionNames == null) { 20715 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 20716 if (iperm == 0) { 20717 if (dumpState.onTitlePrinted()) 20718 pw.println(); 20719 pw.println("AppOp Permissions:"); 20720 } 20721 pw.print(" AppOp Permission "); 20722 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 20723 pw.println(":"); 20724 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 20725 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 20726 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 20727 } 20728 } 20729 } 20730 } 20731 20732 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 20733 boolean printedSomething = false; 20734 for (PackageParser.Provider p : mProviders.mProviders.values()) { 20735 if (packageName != null && !packageName.equals(p.info.packageName)) { 20736 continue; 20737 } 20738 if (!printedSomething) { 20739 if (dumpState.onTitlePrinted()) 20740 pw.println(); 20741 pw.println("Registered ContentProviders:"); 20742 printedSomething = true; 20743 } 20744 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 20745 pw.print(" "); pw.println(p.toString()); 20746 } 20747 printedSomething = false; 20748 for (Map.Entry<String, PackageParser.Provider> entry : 20749 mProvidersByAuthority.entrySet()) { 20750 PackageParser.Provider p = entry.getValue(); 20751 if (packageName != null && !packageName.equals(p.info.packageName)) { 20752 continue; 20753 } 20754 if (!printedSomething) { 20755 if (dumpState.onTitlePrinted()) 20756 pw.println(); 20757 pw.println("ContentProvider Authorities:"); 20758 printedSomething = true; 20759 } 20760 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 20761 pw.print(" "); pw.println(p.toString()); 20762 if (p.info != null && p.info.applicationInfo != null) { 20763 final String appInfo = p.info.applicationInfo.toString(); 20764 pw.print(" applicationInfo="); pw.println(appInfo); 20765 } 20766 } 20767 } 20768 20769 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 20770 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 20771 } 20772 20773 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 20774 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 20775 } 20776 20777 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 20778 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 20779 } 20780 20781 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 20782 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 20783 } 20784 20785 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 20786 // XXX should handle packageName != null by dumping only install data that 20787 // the given package is involved with. 20788 if (dumpState.onTitlePrinted()) pw.println(); 20789 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 20790 } 20791 20792 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 20793 // XXX should handle packageName != null by dumping only install data that 20794 // the given package is involved with. 20795 if (dumpState.onTitlePrinted()) pw.println(); 20796 20797 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20798 ipw.println(); 20799 ipw.println("Frozen packages:"); 20800 ipw.increaseIndent(); 20801 if (mFrozenPackages.size() == 0) { 20802 ipw.println("(none)"); 20803 } else { 20804 for (int i = 0; i < mFrozenPackages.size(); i++) { 20805 ipw.println(mFrozenPackages.valueAt(i)); 20806 } 20807 } 20808 ipw.decreaseIndent(); 20809 } 20810 20811 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 20812 if (dumpState.onTitlePrinted()) pw.println(); 20813 dumpDexoptStateLPr(pw, packageName); 20814 } 20815 20816 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 20817 if (dumpState.onTitlePrinted()) pw.println(); 20818 dumpCompilerStatsLPr(pw, packageName); 20819 } 20820 20821 if (!checkin && dumpState.isDumping(DumpState.DUMP_ENABLED_OVERLAYS)) { 20822 if (dumpState.onTitlePrinted()) pw.println(); 20823 dumpEnabledOverlaysLPr(pw); 20824 } 20825 20826 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 20827 if (dumpState.onTitlePrinted()) pw.println(); 20828 mSettings.dumpReadMessagesLPr(pw, dumpState); 20829 20830 pw.println(); 20831 pw.println("Package warning messages:"); 20832 BufferedReader in = null; 20833 String line = null; 20834 try { 20835 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20836 while ((line = in.readLine()) != null) { 20837 if (line.contains("ignored: updated version")) continue; 20838 pw.println(line); 20839 } 20840 } catch (IOException ignored) { 20841 } finally { 20842 IoUtils.closeQuietly(in); 20843 } 20844 } 20845 20846 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 20847 BufferedReader in = null; 20848 String line = null; 20849 try { 20850 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20851 while ((line = in.readLine()) != null) { 20852 if (line.contains("ignored: updated version")) continue; 20853 pw.print("msg,"); 20854 pw.println(line); 20855 } 20856 } catch (IOException ignored) { 20857 } finally { 20858 IoUtils.closeQuietly(in); 20859 } 20860 } 20861 } 20862 } 20863 20864 private void dumpProto(FileDescriptor fd) { 20865 final ProtoOutputStream proto = new ProtoOutputStream(fd); 20866 20867 synchronized (mPackages) { 20868 final long requiredVerifierPackageToken = 20869 proto.start(PackageServiceDumpProto.REQUIRED_VERIFIER_PACKAGE); 20870 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, mRequiredVerifierPackage); 20871 proto.write( 20872 PackageServiceDumpProto.PackageShortProto.UID, 20873 getPackageUid( 20874 mRequiredVerifierPackage, 20875 MATCH_DEBUG_TRIAGED_MISSING, 20876 UserHandle.USER_SYSTEM)); 20877 proto.end(requiredVerifierPackageToken); 20878 20879 if (mIntentFilterVerifierComponent != null) { 20880 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20881 final long verifierPackageToken = 20882 proto.start(PackageServiceDumpProto.VERIFIER_PACKAGE); 20883 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, verifierPackageName); 20884 proto.write( 20885 PackageServiceDumpProto.PackageShortProto.UID, 20886 getPackageUid( 20887 verifierPackageName, 20888 MATCH_DEBUG_TRIAGED_MISSING, 20889 UserHandle.USER_SYSTEM)); 20890 proto.end(verifierPackageToken); 20891 } 20892 20893 dumpSharedLibrariesProto(proto); 20894 dumpFeaturesProto(proto); 20895 mSettings.dumpPackagesProto(proto); 20896 mSettings.dumpSharedUsersProto(proto); 20897 dumpMessagesProto(proto); 20898 } 20899 proto.flush(); 20900 } 20901 20902 private void dumpMessagesProto(ProtoOutputStream proto) { 20903 BufferedReader in = null; 20904 String line = null; 20905 try { 20906 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20907 while ((line = in.readLine()) != null) { 20908 if (line.contains("ignored: updated version")) continue; 20909 proto.write(PackageServiceDumpProto.MESSAGES, line); 20910 } 20911 } catch (IOException ignored) { 20912 } finally { 20913 IoUtils.closeQuietly(in); 20914 } 20915 } 20916 20917 private void dumpFeaturesProto(ProtoOutputStream proto) { 20918 synchronized (mAvailableFeatures) { 20919 final int count = mAvailableFeatures.size(); 20920 for (int i = 0; i < count; i++) { 20921 final FeatureInfo feat = mAvailableFeatures.valueAt(i); 20922 final long featureToken = proto.start(PackageServiceDumpProto.FEATURES); 20923 proto.write(PackageServiceDumpProto.FeatureProto.NAME, feat.name); 20924 proto.write(PackageServiceDumpProto.FeatureProto.VERSION, feat.version); 20925 proto.end(featureToken); 20926 } 20927 } 20928 } 20929 20930 private void dumpSharedLibrariesProto(ProtoOutputStream proto) { 20931 final int count = mSharedLibraries.size(); 20932 for (int i = 0; i < count; i++) { 20933 final String libName = mSharedLibraries.keyAt(i); 20934 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20935 if (versionedLib == null) { 20936 continue; 20937 } 20938 final int versionCount = versionedLib.size(); 20939 for (int j = 0; j < versionCount; j++) { 20940 final SharedLibraryEntry libEntry = versionedLib.valueAt(j); 20941 final long sharedLibraryToken = 20942 proto.start(PackageServiceDumpProto.SHARED_LIBRARIES); 20943 proto.write(PackageServiceDumpProto.SharedLibraryProto.NAME, libEntry.info.getName()); 20944 final boolean isJar = (libEntry.path != null); 20945 proto.write(PackageServiceDumpProto.SharedLibraryProto.IS_JAR, isJar); 20946 if (isJar) { 20947 proto.write(PackageServiceDumpProto.SharedLibraryProto.PATH, libEntry.path); 20948 } else { 20949 proto.write(PackageServiceDumpProto.SharedLibraryProto.APK, libEntry.apk); 20950 } 20951 proto.end(sharedLibraryToken); 20952 } 20953 } 20954 } 20955 20956 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 20957 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20958 ipw.println(); 20959 ipw.println("Dexopt state:"); 20960 ipw.increaseIndent(); 20961 Collection<PackageParser.Package> packages = null; 20962 if (packageName != null) { 20963 PackageParser.Package targetPackage = mPackages.get(packageName); 20964 if (targetPackage != null) { 20965 packages = Collections.singletonList(targetPackage); 20966 } else { 20967 ipw.println("Unable to find package: " + packageName); 20968 return; 20969 } 20970 } else { 20971 packages = mPackages.values(); 20972 } 20973 20974 for (PackageParser.Package pkg : packages) { 20975 ipw.println("[" + pkg.packageName + "]"); 20976 ipw.increaseIndent(); 20977 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 20978 ipw.decreaseIndent(); 20979 } 20980 } 20981 20982 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 20983 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20984 ipw.println(); 20985 ipw.println("Compiler stats:"); 20986 ipw.increaseIndent(); 20987 Collection<PackageParser.Package> packages = null; 20988 if (packageName != null) { 20989 PackageParser.Package targetPackage = mPackages.get(packageName); 20990 if (targetPackage != null) { 20991 packages = Collections.singletonList(targetPackage); 20992 } else { 20993 ipw.println("Unable to find package: " + packageName); 20994 return; 20995 } 20996 } else { 20997 packages = mPackages.values(); 20998 } 20999 21000 for (PackageParser.Package pkg : packages) { 21001 ipw.println("[" + pkg.packageName + "]"); 21002 ipw.increaseIndent(); 21003 21004 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 21005 if (stats == null) { 21006 ipw.println("(No recorded stats)"); 21007 } else { 21008 stats.dump(ipw); 21009 } 21010 ipw.decreaseIndent(); 21011 } 21012 } 21013 21014 private void dumpEnabledOverlaysLPr(PrintWriter pw) { 21015 pw.println("Enabled overlay paths:"); 21016 final int N = mEnabledOverlayPaths.size(); 21017 for (int i = 0; i < N; i++) { 21018 final int userId = mEnabledOverlayPaths.keyAt(i); 21019 pw.println(String.format(" User %d:", userId)); 21020 final ArrayMap<String, ArrayList<String>> userSpecificOverlays = 21021 mEnabledOverlayPaths.valueAt(i); 21022 final int M = userSpecificOverlays.size(); 21023 for (int j = 0; j < M; j++) { 21024 final String targetPackageName = userSpecificOverlays.keyAt(j); 21025 final ArrayList<String> overlayPackagePaths = userSpecificOverlays.valueAt(j); 21026 pw.println(String.format(" %s: %s", targetPackageName, overlayPackagePaths)); 21027 } 21028 } 21029 } 21030 21031 private String dumpDomainString(String packageName) { 21032 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 21033 .getList(); 21034 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 21035 21036 ArraySet<String> result = new ArraySet<>(); 21037 if (iviList.size() > 0) { 21038 for (IntentFilterVerificationInfo ivi : iviList) { 21039 for (String host : ivi.getDomains()) { 21040 result.add(host); 21041 } 21042 } 21043 } 21044 if (filters != null && filters.size() > 0) { 21045 for (IntentFilter filter : filters) { 21046 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 21047 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 21048 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 21049 result.addAll(filter.getHostsList()); 21050 } 21051 } 21052 } 21053 21054 StringBuilder sb = new StringBuilder(result.size() * 16); 21055 for (String domain : result) { 21056 if (sb.length() > 0) sb.append(" "); 21057 sb.append(domain); 21058 } 21059 return sb.toString(); 21060 } 21061 21062 // ------- apps on sdcard specific code ------- 21063 static final boolean DEBUG_SD_INSTALL = false; 21064 21065 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 21066 21067 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 21068 21069 private boolean mMediaMounted = false; 21070 21071 static String getEncryptKey() { 21072 try { 21073 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 21074 SD_ENCRYPTION_KEYSTORE_NAME); 21075 if (sdEncKey == null) { 21076 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 21077 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 21078 if (sdEncKey == null) { 21079 Slog.e(TAG, "Failed to create encryption keys"); 21080 return null; 21081 } 21082 } 21083 return sdEncKey; 21084 } catch (NoSuchAlgorithmException nsae) { 21085 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 21086 return null; 21087 } catch (IOException ioe) { 21088 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 21089 return null; 21090 } 21091 } 21092 21093 /* 21094 * Update media status on PackageManager. 21095 */ 21096 @Override 21097 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 21098 int callingUid = Binder.getCallingUid(); 21099 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 21100 throw new SecurityException("Media status can only be updated by the system"); 21101 } 21102 // reader; this apparently protects mMediaMounted, but should probably 21103 // be a different lock in that case. 21104 synchronized (mPackages) { 21105 Log.i(TAG, "Updating external media status from " 21106 + (mMediaMounted ? "mounted" : "unmounted") + " to " 21107 + (mediaStatus ? "mounted" : "unmounted")); 21108 if (DEBUG_SD_INSTALL) 21109 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 21110 + ", mMediaMounted=" + mMediaMounted); 21111 if (mediaStatus == mMediaMounted) { 21112 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 21113 : 0, -1); 21114 mHandler.sendMessage(msg); 21115 return; 21116 } 21117 mMediaMounted = mediaStatus; 21118 } 21119 // Queue up an async operation since the package installation may take a 21120 // little while. 21121 mHandler.post(new Runnable() { 21122 public void run() { 21123 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 21124 } 21125 }); 21126 } 21127 21128 /** 21129 * Called by StorageManagerService when the initial ASECs to scan are available. 21130 * Should block until all the ASEC containers are finished being scanned. 21131 */ 21132 public void scanAvailableAsecs() { 21133 updateExternalMediaStatusInner(true, false, false); 21134 } 21135 21136 /* 21137 * Collect information of applications on external media, map them against 21138 * existing containers and update information based on current mount status. 21139 * Please note that we always have to report status if reportStatus has been 21140 * set to true especially when unloading packages. 21141 */ 21142 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 21143 boolean externalStorage) { 21144 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 21145 int[] uidArr = EmptyArray.INT; 21146 21147 final String[] list = PackageHelper.getSecureContainerList(); 21148 if (ArrayUtils.isEmpty(list)) { 21149 Log.i(TAG, "No secure containers found"); 21150 } else { 21151 // Process list of secure containers and categorize them 21152 // as active or stale based on their package internal state. 21153 21154 // reader 21155 synchronized (mPackages) { 21156 for (String cid : list) { 21157 // Leave stages untouched for now; installer service owns them 21158 if (PackageInstallerService.isStageName(cid)) continue; 21159 21160 if (DEBUG_SD_INSTALL) 21161 Log.i(TAG, "Processing container " + cid); 21162 String pkgName = getAsecPackageName(cid); 21163 if (pkgName == null) { 21164 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 21165 continue; 21166 } 21167 if (DEBUG_SD_INSTALL) 21168 Log.i(TAG, "Looking for pkg : " + pkgName); 21169 21170 final PackageSetting ps = mSettings.mPackages.get(pkgName); 21171 if (ps == null) { 21172 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 21173 continue; 21174 } 21175 21176 /* 21177 * Skip packages that are not external if we're unmounting 21178 * external storage. 21179 */ 21180 if (externalStorage && !isMounted && !isExternal(ps)) { 21181 continue; 21182 } 21183 21184 final AsecInstallArgs args = new AsecInstallArgs(cid, 21185 getAppDexInstructionSets(ps), ps.isForwardLocked()); 21186 // The package status is changed only if the code path 21187 // matches between settings and the container id. 21188 if (ps.codePathString != null 21189 && ps.codePathString.startsWith(args.getCodePath())) { 21190 if (DEBUG_SD_INSTALL) { 21191 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 21192 + " at code path: " + ps.codePathString); 21193 } 21194 21195 // We do have a valid package installed on sdcard 21196 processCids.put(args, ps.codePathString); 21197 final int uid = ps.appId; 21198 if (uid != -1) { 21199 uidArr = ArrayUtils.appendInt(uidArr, uid); 21200 } 21201 } else { 21202 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 21203 + ps.codePathString); 21204 } 21205 } 21206 } 21207 21208 Arrays.sort(uidArr); 21209 } 21210 21211 // Process packages with valid entries. 21212 if (isMounted) { 21213 if (DEBUG_SD_INSTALL) 21214 Log.i(TAG, "Loading packages"); 21215 loadMediaPackages(processCids, uidArr, externalStorage); 21216 startCleaningPackages(); 21217 mInstallerService.onSecureContainersAvailable(); 21218 } else { 21219 if (DEBUG_SD_INSTALL) 21220 Log.i(TAG, "Unloading packages"); 21221 unloadMediaPackages(processCids, uidArr, reportStatus); 21222 } 21223 } 21224 21225 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21226 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 21227 final int size = infos.size(); 21228 final String[] packageNames = new String[size]; 21229 final int[] packageUids = new int[size]; 21230 for (int i = 0; i < size; i++) { 21231 final ApplicationInfo info = infos.get(i); 21232 packageNames[i] = info.packageName; 21233 packageUids[i] = info.uid; 21234 } 21235 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 21236 finishedReceiver); 21237 } 21238 21239 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21240 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21241 sendResourcesChangedBroadcast(mediaStatus, replacing, 21242 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 21243 } 21244 21245 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21246 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21247 int size = pkgList.length; 21248 if (size > 0) { 21249 // Send broadcasts here 21250 Bundle extras = new Bundle(); 21251 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 21252 if (uidArr != null) { 21253 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 21254 } 21255 if (replacing) { 21256 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 21257 } 21258 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 21259 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 21260 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 21261 } 21262 } 21263 21264 /* 21265 * Look at potentially valid container ids from processCids If package 21266 * information doesn't match the one on record or package scanning fails, 21267 * the cid is added to list of removeCids. We currently don't delete stale 21268 * containers. 21269 */ 21270 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 21271 boolean externalStorage) { 21272 ArrayList<String> pkgList = new ArrayList<String>(); 21273 Set<AsecInstallArgs> keys = processCids.keySet(); 21274 21275 for (AsecInstallArgs args : keys) { 21276 String codePath = processCids.get(args); 21277 if (DEBUG_SD_INSTALL) 21278 Log.i(TAG, "Loading container : " + args.cid); 21279 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 21280 try { 21281 // Make sure there are no container errors first. 21282 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 21283 Slog.e(TAG, "Failed to mount cid : " + args.cid 21284 + " when installing from sdcard"); 21285 continue; 21286 } 21287 // Check code path here. 21288 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 21289 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 21290 + " does not match one in settings " + codePath); 21291 continue; 21292 } 21293 // Parse package 21294 int parseFlags = mDefParseFlags; 21295 if (args.isExternalAsec()) { 21296 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 21297 } 21298 if (args.isFwdLocked()) { 21299 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 21300 } 21301 21302 synchronized (mInstallLock) { 21303 PackageParser.Package pkg = null; 21304 try { 21305 // Sadly we don't know the package name yet to freeze it 21306 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 21307 SCAN_IGNORE_FROZEN, 0, null); 21308 } catch (PackageManagerException e) { 21309 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 21310 } 21311 // Scan the package 21312 if (pkg != null) { 21313 /* 21314 * TODO why is the lock being held? doPostInstall is 21315 * called in other places without the lock. This needs 21316 * to be straightened out. 21317 */ 21318 // writer 21319 synchronized (mPackages) { 21320 retCode = PackageManager.INSTALL_SUCCEEDED; 21321 pkgList.add(pkg.packageName); 21322 // Post process args 21323 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 21324 pkg.applicationInfo.uid); 21325 } 21326 } else { 21327 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 21328 } 21329 } 21330 21331 } finally { 21332 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 21333 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 21334 } 21335 } 21336 } 21337 // writer 21338 synchronized (mPackages) { 21339 // If the platform SDK has changed since the last time we booted, 21340 // we need to re-grant app permission to catch any new ones that 21341 // appear. This is really a hack, and means that apps can in some 21342 // cases get permissions that the user didn't initially explicitly 21343 // allow... it would be nice to have some better way to handle 21344 // this situation. 21345 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 21346 : mSettings.getInternalVersion(); 21347 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 21348 : StorageManager.UUID_PRIVATE_INTERNAL; 21349 21350 int updateFlags = UPDATE_PERMISSIONS_ALL; 21351 if (ver.sdkVersion != mSdkVersion) { 21352 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21353 + mSdkVersion + "; regranting permissions for external"); 21354 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21355 } 21356 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21357 21358 // Yay, everything is now upgraded 21359 ver.forceCurrent(); 21360 21361 // can downgrade to reader 21362 // Persist settings 21363 mSettings.writeLPr(); 21364 } 21365 // Send a broadcast to let everyone know we are done processing 21366 if (pkgList.size() > 0) { 21367 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 21368 } 21369 } 21370 21371 /* 21372 * Utility method to unload a list of specified containers 21373 */ 21374 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 21375 // Just unmount all valid containers. 21376 for (AsecInstallArgs arg : cidArgs) { 21377 synchronized (mInstallLock) { 21378 arg.doPostDeleteLI(false); 21379 } 21380 } 21381 } 21382 21383 /* 21384 * Unload packages mounted on external media. This involves deleting package 21385 * data from internal structures, sending broadcasts about disabled packages, 21386 * gc'ing to free up references, unmounting all secure containers 21387 * corresponding to packages on external media, and posting a 21388 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 21389 * that we always have to post this message if status has been requested no 21390 * matter what. 21391 */ 21392 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 21393 final boolean reportStatus) { 21394 if (DEBUG_SD_INSTALL) 21395 Log.i(TAG, "unloading media packages"); 21396 ArrayList<String> pkgList = new ArrayList<String>(); 21397 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 21398 final Set<AsecInstallArgs> keys = processCids.keySet(); 21399 for (AsecInstallArgs args : keys) { 21400 String pkgName = args.getPackageName(); 21401 if (DEBUG_SD_INSTALL) 21402 Log.i(TAG, "Trying to unload pkg : " + pkgName); 21403 // Delete package internally 21404 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21405 synchronized (mInstallLock) { 21406 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21407 final boolean res; 21408 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 21409 "unloadMediaPackages")) { 21410 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 21411 null); 21412 } 21413 if (res) { 21414 pkgList.add(pkgName); 21415 } else { 21416 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 21417 failedList.add(args); 21418 } 21419 } 21420 } 21421 21422 // reader 21423 synchronized (mPackages) { 21424 // We didn't update the settings after removing each package; 21425 // write them now for all packages. 21426 mSettings.writeLPr(); 21427 } 21428 21429 // We have to absolutely send UPDATED_MEDIA_STATUS only 21430 // after confirming that all the receivers processed the ordered 21431 // broadcast when packages get disabled, force a gc to clean things up. 21432 // and unload all the containers. 21433 if (pkgList.size() > 0) { 21434 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 21435 new IIntentReceiver.Stub() { 21436 public void performReceive(Intent intent, int resultCode, String data, 21437 Bundle extras, boolean ordered, boolean sticky, 21438 int sendingUser) throws RemoteException { 21439 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 21440 reportStatus ? 1 : 0, 1, keys); 21441 mHandler.sendMessage(msg); 21442 } 21443 }); 21444 } else { 21445 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 21446 keys); 21447 mHandler.sendMessage(msg); 21448 } 21449 } 21450 21451 private void loadPrivatePackages(final VolumeInfo vol) { 21452 mHandler.post(new Runnable() { 21453 @Override 21454 public void run() { 21455 loadPrivatePackagesInner(vol); 21456 } 21457 }); 21458 } 21459 21460 private void loadPrivatePackagesInner(VolumeInfo vol) { 21461 final String volumeUuid = vol.fsUuid; 21462 if (TextUtils.isEmpty(volumeUuid)) { 21463 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 21464 return; 21465 } 21466 21467 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 21468 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 21469 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 21470 21471 final VersionInfo ver; 21472 final List<PackageSetting> packages; 21473 synchronized (mPackages) { 21474 ver = mSettings.findOrCreateVersion(volumeUuid); 21475 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21476 } 21477 21478 for (PackageSetting ps : packages) { 21479 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 21480 synchronized (mInstallLock) { 21481 final PackageParser.Package pkg; 21482 try { 21483 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 21484 loaded.add(pkg.applicationInfo); 21485 21486 } catch (PackageManagerException e) { 21487 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 21488 } 21489 21490 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 21491 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 21492 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 21493 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 21494 } 21495 } 21496 } 21497 21498 // Reconcile app data for all started/unlocked users 21499 final StorageManager sm = mContext.getSystemService(StorageManager.class); 21500 final UserManager um = mContext.getSystemService(UserManager.class); 21501 UserManagerInternal umInternal = getUserManagerInternal(); 21502 for (UserInfo user : um.getUsers()) { 21503 final int flags; 21504 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21505 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21506 } else if (umInternal.isUserRunning(user.id)) { 21507 flags = StorageManager.FLAG_STORAGE_DE; 21508 } else { 21509 continue; 21510 } 21511 21512 try { 21513 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 21514 synchronized (mInstallLock) { 21515 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 21516 } 21517 } catch (IllegalStateException e) { 21518 // Device was probably ejected, and we'll process that event momentarily 21519 Slog.w(TAG, "Failed to prepare storage: " + e); 21520 } 21521 } 21522 21523 synchronized (mPackages) { 21524 int updateFlags = UPDATE_PERMISSIONS_ALL; 21525 if (ver.sdkVersion != mSdkVersion) { 21526 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21527 + mSdkVersion + "; regranting permissions for " + volumeUuid); 21528 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21529 } 21530 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21531 21532 // Yay, everything is now upgraded 21533 ver.forceCurrent(); 21534 21535 mSettings.writeLPr(); 21536 } 21537 21538 for (PackageFreezer freezer : freezers) { 21539 freezer.close(); 21540 } 21541 21542 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 21543 sendResourcesChangedBroadcast(true, false, loaded, null); 21544 } 21545 21546 private void unloadPrivatePackages(final VolumeInfo vol) { 21547 mHandler.post(new Runnable() { 21548 @Override 21549 public void run() { 21550 unloadPrivatePackagesInner(vol); 21551 } 21552 }); 21553 } 21554 21555 private void unloadPrivatePackagesInner(VolumeInfo vol) { 21556 final String volumeUuid = vol.fsUuid; 21557 if (TextUtils.isEmpty(volumeUuid)) { 21558 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 21559 return; 21560 } 21561 21562 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 21563 synchronized (mInstallLock) { 21564 synchronized (mPackages) { 21565 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 21566 for (PackageSetting ps : packages) { 21567 if (ps.pkg == null) continue; 21568 21569 final ApplicationInfo info = ps.pkg.applicationInfo; 21570 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21571 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21572 21573 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 21574 "unloadPrivatePackagesInner")) { 21575 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 21576 false, null)) { 21577 unloaded.add(info); 21578 } else { 21579 Slog.w(TAG, "Failed to unload " + ps.codePath); 21580 } 21581 } 21582 21583 // Try very hard to release any references to this package 21584 // so we don't risk the system server being killed due to 21585 // open FDs 21586 AttributeCache.instance().removePackage(ps.name); 21587 } 21588 21589 mSettings.writeLPr(); 21590 } 21591 } 21592 21593 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 21594 sendResourcesChangedBroadcast(false, false, unloaded, null); 21595 21596 // Try very hard to release any references to this path so we don't risk 21597 // the system server being killed due to open FDs 21598 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 21599 21600 for (int i = 0; i < 3; i++) { 21601 System.gc(); 21602 System.runFinalization(); 21603 } 21604 } 21605 21606 private void assertPackageKnown(String volumeUuid, String packageName) 21607 throws PackageManagerException { 21608 synchronized (mPackages) { 21609 // Normalize package name to handle renamed packages 21610 packageName = normalizePackageNameLPr(packageName); 21611 21612 final PackageSetting ps = mSettings.mPackages.get(packageName); 21613 if (ps == null) { 21614 throw new PackageManagerException("Package " + packageName + " is unknown"); 21615 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21616 throw new PackageManagerException( 21617 "Package " + packageName + " found on unknown volume " + volumeUuid 21618 + "; expected volume " + ps.volumeUuid); 21619 } 21620 } 21621 } 21622 21623 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 21624 throws PackageManagerException { 21625 synchronized (mPackages) { 21626 // Normalize package name to handle renamed packages 21627 packageName = normalizePackageNameLPr(packageName); 21628 21629 final PackageSetting ps = mSettings.mPackages.get(packageName); 21630 if (ps == null) { 21631 throw new PackageManagerException("Package " + packageName + " is unknown"); 21632 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21633 throw new PackageManagerException( 21634 "Package " + packageName + " found on unknown volume " + volumeUuid 21635 + "; expected volume " + ps.volumeUuid); 21636 } else if (!ps.getInstalled(userId)) { 21637 throw new PackageManagerException( 21638 "Package " + packageName + " not installed for user " + userId); 21639 } 21640 } 21641 } 21642 21643 private List<String> collectAbsoluteCodePaths() { 21644 synchronized (mPackages) { 21645 List<String> codePaths = new ArrayList<>(); 21646 final int packageCount = mSettings.mPackages.size(); 21647 for (int i = 0; i < packageCount; i++) { 21648 final PackageSetting ps = mSettings.mPackages.valueAt(i); 21649 codePaths.add(ps.codePath.getAbsolutePath()); 21650 } 21651 return codePaths; 21652 } 21653 } 21654 21655 /** 21656 * Examine all apps present on given mounted volume, and destroy apps that 21657 * aren't expected, either due to uninstallation or reinstallation on 21658 * another volume. 21659 */ 21660 private void reconcileApps(String volumeUuid) { 21661 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 21662 List<File> filesToDelete = null; 21663 21664 final File[] files = FileUtils.listFilesOrEmpty( 21665 Environment.getDataAppDirectory(volumeUuid)); 21666 for (File file : files) { 21667 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 21668 && !PackageInstallerService.isStageName(file.getName()); 21669 if (!isPackage) { 21670 // Ignore entries which are not packages 21671 continue; 21672 } 21673 21674 String absolutePath = file.getAbsolutePath(); 21675 21676 boolean pathValid = false; 21677 final int absoluteCodePathCount = absoluteCodePaths.size(); 21678 for (int i = 0; i < absoluteCodePathCount; i++) { 21679 String absoluteCodePath = absoluteCodePaths.get(i); 21680 if (absolutePath.startsWith(absoluteCodePath)) { 21681 pathValid = true; 21682 break; 21683 } 21684 } 21685 21686 if (!pathValid) { 21687 if (filesToDelete == null) { 21688 filesToDelete = new ArrayList<>(); 21689 } 21690 filesToDelete.add(file); 21691 } 21692 } 21693 21694 if (filesToDelete != null) { 21695 final int fileToDeleteCount = filesToDelete.size(); 21696 for (int i = 0; i < fileToDeleteCount; i++) { 21697 File fileToDelete = filesToDelete.get(i); 21698 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 21699 synchronized (mInstallLock) { 21700 removeCodePathLI(fileToDelete); 21701 } 21702 } 21703 } 21704 } 21705 21706 /** 21707 * Reconcile all app data for the given user. 21708 * <p> 21709 * Verifies that directories exist and that ownership and labeling is 21710 * correct for all installed apps on all mounted volumes. 21711 */ 21712 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 21713 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21714 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 21715 final String volumeUuid = vol.getFsUuid(); 21716 synchronized (mInstallLock) { 21717 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 21718 } 21719 } 21720 } 21721 21722 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21723 boolean migrateAppData) { 21724 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppData, false /* onlyCoreApps */); 21725 } 21726 21727 /** 21728 * Reconcile all app data on given mounted volume. 21729 * <p> 21730 * Destroys app data that isn't expected, either due to uninstallation or 21731 * reinstallation on another volume. 21732 * <p> 21733 * Verifies that directories exist and that ownership and labeling is 21734 * correct for all installed apps. 21735 * @returns list of skipped non-core packages (if {@code onlyCoreApps} is true) 21736 */ 21737 private List<String> reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21738 boolean migrateAppData, boolean onlyCoreApps) { 21739 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 21740 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 21741 List<String> result = onlyCoreApps ? new ArrayList<>() : null; 21742 21743 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 21744 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 21745 21746 // First look for stale data that doesn't belong, and check if things 21747 // have changed since we did our last restorecon 21748 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21749 if (StorageManager.isFileEncryptedNativeOrEmulated() 21750 && !StorageManager.isUserKeyUnlocked(userId)) { 21751 throw new RuntimeException( 21752 "Yikes, someone asked us to reconcile CE storage while " + userId 21753 + " was still locked; this would have caused massive data loss!"); 21754 } 21755 21756 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 21757 for (File file : files) { 21758 final String packageName = file.getName(); 21759 try { 21760 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21761 } catch (PackageManagerException e) { 21762 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21763 try { 21764 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21765 StorageManager.FLAG_STORAGE_CE, 0); 21766 } catch (InstallerException e2) { 21767 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21768 } 21769 } 21770 } 21771 } 21772 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 21773 final File[] files = FileUtils.listFilesOrEmpty(deDir); 21774 for (File file : files) { 21775 final String packageName = file.getName(); 21776 try { 21777 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21778 } catch (PackageManagerException e) { 21779 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21780 try { 21781 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21782 StorageManager.FLAG_STORAGE_DE, 0); 21783 } catch (InstallerException e2) { 21784 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21785 } 21786 } 21787 } 21788 } 21789 21790 // Ensure that data directories are ready to roll for all packages 21791 // installed for this volume and user 21792 final List<PackageSetting> packages; 21793 synchronized (mPackages) { 21794 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21795 } 21796 int preparedCount = 0; 21797 for (PackageSetting ps : packages) { 21798 final String packageName = ps.name; 21799 if (ps.pkg == null) { 21800 Slog.w(TAG, "Odd, missing scanned package " + packageName); 21801 // TODO: might be due to legacy ASEC apps; we should circle back 21802 // and reconcile again once they're scanned 21803 continue; 21804 } 21805 // Skip non-core apps if requested 21806 if (onlyCoreApps && !ps.pkg.coreApp) { 21807 result.add(packageName); 21808 continue; 21809 } 21810 21811 if (ps.getInstalled(userId)) { 21812 prepareAppDataAndMigrateLIF(ps.pkg, userId, flags, migrateAppData); 21813 preparedCount++; 21814 } 21815 } 21816 21817 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 21818 return result; 21819 } 21820 21821 /** 21822 * Prepare app data for the given app just after it was installed or 21823 * upgraded. This method carefully only touches users that it's installed 21824 * for, and it forces a restorecon to handle any seinfo changes. 21825 * <p> 21826 * Verifies that directories exist and that ownership and labeling is 21827 * correct for all installed apps. If there is an ownership mismatch, it 21828 * will try recovering system apps by wiping data; third-party app data is 21829 * left intact. 21830 * <p> 21831 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 21832 */ 21833 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 21834 final PackageSetting ps; 21835 synchronized (mPackages) { 21836 ps = mSettings.mPackages.get(pkg.packageName); 21837 mSettings.writeKernelMappingLPr(ps); 21838 } 21839 21840 final UserManager um = mContext.getSystemService(UserManager.class); 21841 UserManagerInternal umInternal = getUserManagerInternal(); 21842 for (UserInfo user : um.getUsers()) { 21843 final int flags; 21844 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21845 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21846 } else if (umInternal.isUserRunning(user.id)) { 21847 flags = StorageManager.FLAG_STORAGE_DE; 21848 } else { 21849 continue; 21850 } 21851 21852 if (ps.getInstalled(user.id)) { 21853 // TODO: when user data is locked, mark that we're still dirty 21854 prepareAppDataLIF(pkg, user.id, flags); 21855 } 21856 } 21857 } 21858 21859 /** 21860 * Prepare app data for the given app. 21861 * <p> 21862 * Verifies that directories exist and that ownership and labeling is 21863 * correct for all installed apps. If there is an ownership mismatch, this 21864 * will try recovering system apps by wiping data; third-party app data is 21865 * left intact. 21866 */ 21867 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 21868 if (pkg == null) { 21869 Slog.wtf(TAG, "Package was null!", new Throwable()); 21870 return; 21871 } 21872 prepareAppDataLeafLIF(pkg, userId, flags); 21873 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21874 for (int i = 0; i < childCount; i++) { 21875 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 21876 } 21877 } 21878 21879 private void prepareAppDataAndMigrateLIF(PackageParser.Package pkg, int userId, int flags, 21880 boolean maybeMigrateAppData) { 21881 prepareAppDataLIF(pkg, userId, flags); 21882 21883 if (maybeMigrateAppData && maybeMigrateAppDataLIF(pkg, userId)) { 21884 // We may have just shuffled around app data directories, so 21885 // prepare them one more time 21886 prepareAppDataLIF(pkg, userId, flags); 21887 } 21888 } 21889 21890 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21891 if (DEBUG_APP_DATA) { 21892 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 21893 + Integer.toHexString(flags)); 21894 } 21895 21896 final String volumeUuid = pkg.volumeUuid; 21897 final String packageName = pkg.packageName; 21898 final ApplicationInfo app = pkg.applicationInfo; 21899 final int appId = UserHandle.getAppId(app.uid); 21900 21901 Preconditions.checkNotNull(app.seInfo); 21902 21903 long ceDataInode = -1; 21904 try { 21905 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21906 appId, app.seInfo, app.targetSdkVersion); 21907 } catch (InstallerException e) { 21908 if (app.isSystemApp()) { 21909 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 21910 + ", but trying to recover: " + e); 21911 destroyAppDataLeafLIF(pkg, userId, flags); 21912 try { 21913 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21914 appId, app.seInfo, app.targetSdkVersion); 21915 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 21916 } catch (InstallerException e2) { 21917 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 21918 } 21919 } else { 21920 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 21921 } 21922 } 21923 21924 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 21925 // TODO: mark this structure as dirty so we persist it! 21926 synchronized (mPackages) { 21927 final PackageSetting ps = mSettings.mPackages.get(packageName); 21928 if (ps != null) { 21929 ps.setCeDataInode(ceDataInode, userId); 21930 } 21931 } 21932 } 21933 21934 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21935 } 21936 21937 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 21938 if (pkg == null) { 21939 Slog.wtf(TAG, "Package was null!", new Throwable()); 21940 return; 21941 } 21942 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21943 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21944 for (int i = 0; i < childCount; i++) { 21945 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 21946 } 21947 } 21948 21949 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21950 final String volumeUuid = pkg.volumeUuid; 21951 final String packageName = pkg.packageName; 21952 final ApplicationInfo app = pkg.applicationInfo; 21953 21954 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21955 // Create a native library symlink only if we have native libraries 21956 // and if the native libraries are 32 bit libraries. We do not provide 21957 // this symlink for 64 bit libraries. 21958 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 21959 final String nativeLibPath = app.nativeLibraryDir; 21960 try { 21961 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 21962 nativeLibPath, userId); 21963 } catch (InstallerException e) { 21964 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 21965 } 21966 } 21967 } 21968 } 21969 21970 /** 21971 * For system apps on non-FBE devices, this method migrates any existing 21972 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 21973 * requested by the app. 21974 */ 21975 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 21976 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 21977 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 21978 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 21979 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 21980 try { 21981 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 21982 storageTarget); 21983 } catch (InstallerException e) { 21984 logCriticalInfo(Log.WARN, 21985 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 21986 } 21987 return true; 21988 } else { 21989 return false; 21990 } 21991 } 21992 21993 public PackageFreezer freezePackage(String packageName, String killReason) { 21994 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 21995 } 21996 21997 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 21998 return new PackageFreezer(packageName, userId, killReason); 21999 } 22000 22001 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 22002 String killReason) { 22003 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 22004 } 22005 22006 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 22007 String killReason) { 22008 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 22009 return new PackageFreezer(); 22010 } else { 22011 return freezePackage(packageName, userId, killReason); 22012 } 22013 } 22014 22015 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 22016 String killReason) { 22017 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 22018 } 22019 22020 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 22021 String killReason) { 22022 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 22023 return new PackageFreezer(); 22024 } else { 22025 return freezePackage(packageName, userId, killReason); 22026 } 22027 } 22028 22029 /** 22030 * Class that freezes and kills the given package upon creation, and 22031 * unfreezes it upon closing. This is typically used when doing surgery on 22032 * app code/data to prevent the app from running while you're working. 22033 */ 22034 private class PackageFreezer implements AutoCloseable { 22035 private final String mPackageName; 22036 private final PackageFreezer[] mChildren; 22037 22038 private final boolean mWeFroze; 22039 22040 private final AtomicBoolean mClosed = new AtomicBoolean(); 22041 private final CloseGuard mCloseGuard = CloseGuard.get(); 22042 22043 /** 22044 * Create and return a stub freezer that doesn't actually do anything, 22045 * typically used when someone requested 22046 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 22047 * {@link PackageManager#DELETE_DONT_KILL_APP}. 22048 */ 22049 public PackageFreezer() { 22050 mPackageName = null; 22051 mChildren = null; 22052 mWeFroze = false; 22053 mCloseGuard.open("close"); 22054 } 22055 22056 public PackageFreezer(String packageName, int userId, String killReason) { 22057 synchronized (mPackages) { 22058 mPackageName = packageName; 22059 mWeFroze = mFrozenPackages.add(mPackageName); 22060 22061 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 22062 if (ps != null) { 22063 killApplication(ps.name, ps.appId, userId, killReason); 22064 } 22065 22066 final PackageParser.Package p = mPackages.get(packageName); 22067 if (p != null && p.childPackages != null) { 22068 final int N = p.childPackages.size(); 22069 mChildren = new PackageFreezer[N]; 22070 for (int i = 0; i < N; i++) { 22071 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 22072 userId, killReason); 22073 } 22074 } else { 22075 mChildren = null; 22076 } 22077 } 22078 mCloseGuard.open("close"); 22079 } 22080 22081 @Override 22082 protected void finalize() throws Throwable { 22083 try { 22084 mCloseGuard.warnIfOpen(); 22085 close(); 22086 } finally { 22087 super.finalize(); 22088 } 22089 } 22090 22091 @Override 22092 public void close() { 22093 mCloseGuard.close(); 22094 if (mClosed.compareAndSet(false, true)) { 22095 synchronized (mPackages) { 22096 if (mWeFroze) { 22097 mFrozenPackages.remove(mPackageName); 22098 } 22099 22100 if (mChildren != null) { 22101 for (PackageFreezer freezer : mChildren) { 22102 freezer.close(); 22103 } 22104 } 22105 } 22106 } 22107 } 22108 } 22109 22110 /** 22111 * Verify that given package is currently frozen. 22112 */ 22113 private void checkPackageFrozen(String packageName) { 22114 synchronized (mPackages) { 22115 if (!mFrozenPackages.contains(packageName)) { 22116 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 22117 } 22118 } 22119 } 22120 22121 @Override 22122 public int movePackage(final String packageName, final String volumeUuid) { 22123 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22124 22125 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 22126 final int moveId = mNextMoveId.getAndIncrement(); 22127 mHandler.post(new Runnable() { 22128 @Override 22129 public void run() { 22130 try { 22131 movePackageInternal(packageName, volumeUuid, moveId, user); 22132 } catch (PackageManagerException e) { 22133 Slog.w(TAG, "Failed to move " + packageName, e); 22134 mMoveCallbacks.notifyStatusChanged(moveId, 22135 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22136 } 22137 } 22138 }); 22139 return moveId; 22140 } 22141 22142 private void movePackageInternal(final String packageName, final String volumeUuid, 22143 final int moveId, UserHandle user) throws PackageManagerException { 22144 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22145 final PackageManager pm = mContext.getPackageManager(); 22146 22147 final boolean currentAsec; 22148 final String currentVolumeUuid; 22149 final File codeFile; 22150 final String installerPackageName; 22151 final String packageAbiOverride; 22152 final int appId; 22153 final String seinfo; 22154 final String label; 22155 final int targetSdkVersion; 22156 final PackageFreezer freezer; 22157 final int[] installedUserIds; 22158 22159 // reader 22160 synchronized (mPackages) { 22161 final PackageParser.Package pkg = mPackages.get(packageName); 22162 final PackageSetting ps = mSettings.mPackages.get(packageName); 22163 if (pkg == null || ps == null) { 22164 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 22165 } 22166 22167 if (pkg.applicationInfo.isSystemApp()) { 22168 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 22169 "Cannot move system application"); 22170 } 22171 22172 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 22173 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 22174 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 22175 if (isInternalStorage && !allow3rdPartyOnInternal) { 22176 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 22177 "3rd party apps are not allowed on internal storage"); 22178 } 22179 22180 if (pkg.applicationInfo.isExternalAsec()) { 22181 currentAsec = true; 22182 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 22183 } else if (pkg.applicationInfo.isForwardLocked()) { 22184 currentAsec = true; 22185 currentVolumeUuid = "forward_locked"; 22186 } else { 22187 currentAsec = false; 22188 currentVolumeUuid = ps.volumeUuid; 22189 22190 final File probe = new File(pkg.codePath); 22191 final File probeOat = new File(probe, "oat"); 22192 if (!probe.isDirectory() || !probeOat.isDirectory()) { 22193 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22194 "Move only supported for modern cluster style installs"); 22195 } 22196 } 22197 22198 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 22199 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22200 "Package already moved to " + volumeUuid); 22201 } 22202 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 22203 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 22204 "Device admin cannot be moved"); 22205 } 22206 22207 if (mFrozenPackages.contains(packageName)) { 22208 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 22209 "Failed to move already frozen package"); 22210 } 22211 22212 codeFile = new File(pkg.codePath); 22213 installerPackageName = ps.installerPackageName; 22214 packageAbiOverride = ps.cpuAbiOverrideString; 22215 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 22216 seinfo = pkg.applicationInfo.seInfo; 22217 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 22218 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 22219 freezer = freezePackage(packageName, "movePackageInternal"); 22220 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 22221 } 22222 22223 final Bundle extras = new Bundle(); 22224 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 22225 extras.putString(Intent.EXTRA_TITLE, label); 22226 mMoveCallbacks.notifyCreated(moveId, extras); 22227 22228 int installFlags; 22229 final boolean moveCompleteApp; 22230 final File measurePath; 22231 22232 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 22233 installFlags = INSTALL_INTERNAL; 22234 moveCompleteApp = !currentAsec; 22235 measurePath = Environment.getDataAppDirectory(volumeUuid); 22236 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 22237 installFlags = INSTALL_EXTERNAL; 22238 moveCompleteApp = false; 22239 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 22240 } else { 22241 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 22242 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 22243 || !volume.isMountedWritable()) { 22244 freezer.close(); 22245 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22246 "Move location not mounted private volume"); 22247 } 22248 22249 Preconditions.checkState(!currentAsec); 22250 22251 installFlags = INSTALL_INTERNAL; 22252 moveCompleteApp = true; 22253 measurePath = Environment.getDataAppDirectory(volumeUuid); 22254 } 22255 22256 final PackageStats stats = new PackageStats(null, -1); 22257 synchronized (mInstaller) { 22258 for (int userId : installedUserIds) { 22259 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 22260 freezer.close(); 22261 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22262 "Failed to measure package size"); 22263 } 22264 } 22265 } 22266 22267 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 22268 + stats.dataSize); 22269 22270 final long startFreeBytes = measurePath.getFreeSpace(); 22271 final long sizeBytes; 22272 if (moveCompleteApp) { 22273 sizeBytes = stats.codeSize + stats.dataSize; 22274 } else { 22275 sizeBytes = stats.codeSize; 22276 } 22277 22278 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 22279 freezer.close(); 22280 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22281 "Not enough free space to move"); 22282 } 22283 22284 mMoveCallbacks.notifyStatusChanged(moveId, 10); 22285 22286 final CountDownLatch installedLatch = new CountDownLatch(1); 22287 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 22288 @Override 22289 public void onUserActionRequired(Intent intent) throws RemoteException { 22290 throw new IllegalStateException(); 22291 } 22292 22293 @Override 22294 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 22295 Bundle extras) throws RemoteException { 22296 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 22297 + PackageManager.installStatusToString(returnCode, msg)); 22298 22299 installedLatch.countDown(); 22300 freezer.close(); 22301 22302 final int status = PackageManager.installStatusToPublicStatus(returnCode); 22303 switch (status) { 22304 case PackageInstaller.STATUS_SUCCESS: 22305 mMoveCallbacks.notifyStatusChanged(moveId, 22306 PackageManager.MOVE_SUCCEEDED); 22307 break; 22308 case PackageInstaller.STATUS_FAILURE_STORAGE: 22309 mMoveCallbacks.notifyStatusChanged(moveId, 22310 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 22311 break; 22312 default: 22313 mMoveCallbacks.notifyStatusChanged(moveId, 22314 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22315 break; 22316 } 22317 } 22318 }; 22319 22320 final MoveInfo move; 22321 if (moveCompleteApp) { 22322 // Kick off a thread to report progress estimates 22323 new Thread() { 22324 @Override 22325 public void run() { 22326 while (true) { 22327 try { 22328 if (installedLatch.await(1, TimeUnit.SECONDS)) { 22329 break; 22330 } 22331 } catch (InterruptedException ignored) { 22332 } 22333 22334 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 22335 final int progress = 10 + (int) MathUtils.constrain( 22336 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 22337 mMoveCallbacks.notifyStatusChanged(moveId, progress); 22338 } 22339 } 22340 }.start(); 22341 22342 final String dataAppName = codeFile.getName(); 22343 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 22344 dataAppName, appId, seinfo, targetSdkVersion); 22345 } else { 22346 move = null; 22347 } 22348 22349 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 22350 22351 final Message msg = mHandler.obtainMessage(INIT_COPY); 22352 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 22353 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 22354 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 22355 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/, 22356 PackageManager.INSTALL_REASON_UNKNOWN); 22357 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 22358 msg.obj = params; 22359 22360 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 22361 System.identityHashCode(msg.obj)); 22362 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 22363 System.identityHashCode(msg.obj)); 22364 22365 mHandler.sendMessage(msg); 22366 } 22367 22368 @Override 22369 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 22370 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22371 22372 final int realMoveId = mNextMoveId.getAndIncrement(); 22373 final Bundle extras = new Bundle(); 22374 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 22375 mMoveCallbacks.notifyCreated(realMoveId, extras); 22376 22377 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 22378 @Override 22379 public void onCreated(int moveId, Bundle extras) { 22380 // Ignored 22381 } 22382 22383 @Override 22384 public void onStatusChanged(int moveId, int status, long estMillis) { 22385 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 22386 } 22387 }; 22388 22389 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22390 storage.setPrimaryStorageUuid(volumeUuid, callback); 22391 return realMoveId; 22392 } 22393 22394 @Override 22395 public int getMoveStatus(int moveId) { 22396 mContext.enforceCallingOrSelfPermission( 22397 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22398 return mMoveCallbacks.mLastStatus.get(moveId); 22399 } 22400 22401 @Override 22402 public void registerMoveCallback(IPackageMoveObserver callback) { 22403 mContext.enforceCallingOrSelfPermission( 22404 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22405 mMoveCallbacks.register(callback); 22406 } 22407 22408 @Override 22409 public void unregisterMoveCallback(IPackageMoveObserver callback) { 22410 mContext.enforceCallingOrSelfPermission( 22411 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22412 mMoveCallbacks.unregister(callback); 22413 } 22414 22415 @Override 22416 public boolean setInstallLocation(int loc) { 22417 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 22418 null); 22419 if (getInstallLocation() == loc) { 22420 return true; 22421 } 22422 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 22423 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 22424 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 22425 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 22426 return true; 22427 } 22428 return false; 22429 } 22430 22431 @Override 22432 public int getInstallLocation() { 22433 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 22434 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 22435 PackageHelper.APP_INSTALL_AUTO); 22436 } 22437 22438 /** Called by UserManagerService */ 22439 void cleanUpUser(UserManagerService userManager, int userHandle) { 22440 synchronized (mPackages) { 22441 mDirtyUsers.remove(userHandle); 22442 mUserNeedsBadging.delete(userHandle); 22443 mSettings.removeUserLPw(userHandle); 22444 mPendingBroadcasts.remove(userHandle); 22445 mInstantAppRegistry.onUserRemovedLPw(userHandle); 22446 removeUnusedPackagesLPw(userManager, userHandle); 22447 } 22448 } 22449 22450 /** 22451 * We're removing userHandle and would like to remove any downloaded packages 22452 * that are no longer in use by any other user. 22453 * @param userHandle the user being removed 22454 */ 22455 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 22456 final boolean DEBUG_CLEAN_APKS = false; 22457 int [] users = userManager.getUserIds(); 22458 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 22459 while (psit.hasNext()) { 22460 PackageSetting ps = psit.next(); 22461 if (ps.pkg == null) { 22462 continue; 22463 } 22464 final String packageName = ps.pkg.packageName; 22465 // Skip over if system app 22466 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 22467 continue; 22468 } 22469 if (DEBUG_CLEAN_APKS) { 22470 Slog.i(TAG, "Checking package " + packageName); 22471 } 22472 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 22473 if (keep) { 22474 if (DEBUG_CLEAN_APKS) { 22475 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 22476 } 22477 } else { 22478 for (int i = 0; i < users.length; i++) { 22479 if (users[i] != userHandle && ps.getInstalled(users[i])) { 22480 keep = true; 22481 if (DEBUG_CLEAN_APKS) { 22482 Slog.i(TAG, " Keeping package " + packageName + " for user " 22483 + users[i]); 22484 } 22485 break; 22486 } 22487 } 22488 } 22489 if (!keep) { 22490 if (DEBUG_CLEAN_APKS) { 22491 Slog.i(TAG, " Removing package " + packageName); 22492 } 22493 mHandler.post(new Runnable() { 22494 public void run() { 22495 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22496 userHandle, 0); 22497 } //end run 22498 }); 22499 } 22500 } 22501 } 22502 22503 /** Called by UserManagerService */ 22504 void createNewUser(int userId, String[] disallowedPackages) { 22505 synchronized (mInstallLock) { 22506 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 22507 } 22508 synchronized (mPackages) { 22509 scheduleWritePackageRestrictionsLocked(userId); 22510 scheduleWritePackageListLocked(userId); 22511 applyFactoryDefaultBrowserLPw(userId); 22512 primeDomainVerificationsLPw(userId); 22513 } 22514 } 22515 22516 void onNewUserCreated(final int userId) { 22517 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 22518 // If permission review for legacy apps is required, we represent 22519 // dagerous permissions for such apps as always granted runtime 22520 // permissions to keep per user flag state whether review is needed. 22521 // Hence, if a new user is added we have to propagate dangerous 22522 // permission grants for these legacy apps. 22523 if (mPermissionReviewRequired) { 22524 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 22525 | UPDATE_PERMISSIONS_REPLACE_ALL); 22526 } 22527 } 22528 22529 @Override 22530 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 22531 mContext.enforceCallingOrSelfPermission( 22532 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 22533 "Only package verification agents can read the verifier device identity"); 22534 22535 synchronized (mPackages) { 22536 return mSettings.getVerifierDeviceIdentityLPw(); 22537 } 22538 } 22539 22540 @Override 22541 public void setPermissionEnforced(String permission, boolean enforced) { 22542 // TODO: Now that we no longer change GID for storage, this should to away. 22543 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 22544 "setPermissionEnforced"); 22545 if (READ_EXTERNAL_STORAGE.equals(permission)) { 22546 synchronized (mPackages) { 22547 if (mSettings.mReadExternalStorageEnforced == null 22548 || mSettings.mReadExternalStorageEnforced != enforced) { 22549 mSettings.mReadExternalStorageEnforced = enforced; 22550 mSettings.writeLPr(); 22551 } 22552 } 22553 // kill any non-foreground processes so we restart them and 22554 // grant/revoke the GID. 22555 final IActivityManager am = ActivityManager.getService(); 22556 if (am != null) { 22557 final long token = Binder.clearCallingIdentity(); 22558 try { 22559 am.killProcessesBelowForeground("setPermissionEnforcement"); 22560 } catch (RemoteException e) { 22561 } finally { 22562 Binder.restoreCallingIdentity(token); 22563 } 22564 } 22565 } else { 22566 throw new IllegalArgumentException("No selective enforcement for " + permission); 22567 } 22568 } 22569 22570 @Override 22571 @Deprecated 22572 public boolean isPermissionEnforced(String permission) { 22573 return true; 22574 } 22575 22576 @Override 22577 public boolean isStorageLow() { 22578 final long token = Binder.clearCallingIdentity(); 22579 try { 22580 final DeviceStorageMonitorInternal 22581 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 22582 if (dsm != null) { 22583 return dsm.isMemoryLow(); 22584 } else { 22585 return false; 22586 } 22587 } finally { 22588 Binder.restoreCallingIdentity(token); 22589 } 22590 } 22591 22592 @Override 22593 public IPackageInstaller getPackageInstaller() { 22594 return mInstallerService; 22595 } 22596 22597 private boolean userNeedsBadging(int userId) { 22598 int index = mUserNeedsBadging.indexOfKey(userId); 22599 if (index < 0) { 22600 final UserInfo userInfo; 22601 final long token = Binder.clearCallingIdentity(); 22602 try { 22603 userInfo = sUserManager.getUserInfo(userId); 22604 } finally { 22605 Binder.restoreCallingIdentity(token); 22606 } 22607 final boolean b; 22608 if (userInfo != null && userInfo.isManagedProfile()) { 22609 b = true; 22610 } else { 22611 b = false; 22612 } 22613 mUserNeedsBadging.put(userId, b); 22614 return b; 22615 } 22616 return mUserNeedsBadging.valueAt(index); 22617 } 22618 22619 @Override 22620 public KeySet getKeySetByAlias(String packageName, String alias) { 22621 if (packageName == null || alias == null) { 22622 return null; 22623 } 22624 synchronized(mPackages) { 22625 final PackageParser.Package pkg = mPackages.get(packageName); 22626 if (pkg == null) { 22627 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22628 throw new IllegalArgumentException("Unknown package: " + packageName); 22629 } 22630 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22631 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 22632 } 22633 } 22634 22635 @Override 22636 public KeySet getSigningKeySet(String packageName) { 22637 if (packageName == null) { 22638 return null; 22639 } 22640 synchronized(mPackages) { 22641 final PackageParser.Package pkg = mPackages.get(packageName); 22642 if (pkg == null) { 22643 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22644 throw new IllegalArgumentException("Unknown package: " + packageName); 22645 } 22646 if (pkg.applicationInfo.uid != Binder.getCallingUid() 22647 && Process.SYSTEM_UID != Binder.getCallingUid()) { 22648 throw new SecurityException("May not access signing KeySet of other apps."); 22649 } 22650 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22651 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 22652 } 22653 } 22654 22655 @Override 22656 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 22657 if (packageName == null || ks == null) { 22658 return false; 22659 } 22660 synchronized(mPackages) { 22661 final PackageParser.Package pkg = mPackages.get(packageName); 22662 if (pkg == null) { 22663 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22664 throw new IllegalArgumentException("Unknown package: " + packageName); 22665 } 22666 IBinder ksh = ks.getToken(); 22667 if (ksh instanceof KeySetHandle) { 22668 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22669 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 22670 } 22671 return false; 22672 } 22673 } 22674 22675 @Override 22676 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 22677 if (packageName == null || ks == null) { 22678 return false; 22679 } 22680 synchronized(mPackages) { 22681 final PackageParser.Package pkg = mPackages.get(packageName); 22682 if (pkg == null) { 22683 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22684 throw new IllegalArgumentException("Unknown package: " + packageName); 22685 } 22686 IBinder ksh = ks.getToken(); 22687 if (ksh instanceof KeySetHandle) { 22688 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22689 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 22690 } 22691 return false; 22692 } 22693 } 22694 22695 private void deletePackageIfUnusedLPr(final String packageName) { 22696 PackageSetting ps = mSettings.mPackages.get(packageName); 22697 if (ps == null) { 22698 return; 22699 } 22700 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 22701 // TODO Implement atomic delete if package is unused 22702 // It is currently possible that the package will be deleted even if it is installed 22703 // after this method returns. 22704 mHandler.post(new Runnable() { 22705 public void run() { 22706 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22707 0, PackageManager.DELETE_ALL_USERS); 22708 } 22709 }); 22710 } 22711 } 22712 22713 /** 22714 * Check and throw if the given before/after packages would be considered a 22715 * downgrade. 22716 */ 22717 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 22718 throws PackageManagerException { 22719 if (after.versionCode < before.mVersionCode) { 22720 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22721 "Update version code " + after.versionCode + " is older than current " 22722 + before.mVersionCode); 22723 } else if (after.versionCode == before.mVersionCode) { 22724 if (after.baseRevisionCode < before.baseRevisionCode) { 22725 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22726 "Update base revision code " + after.baseRevisionCode 22727 + " is older than current " + before.baseRevisionCode); 22728 } 22729 22730 if (!ArrayUtils.isEmpty(after.splitNames)) { 22731 for (int i = 0; i < after.splitNames.length; i++) { 22732 final String splitName = after.splitNames[i]; 22733 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 22734 if (j != -1) { 22735 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 22736 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22737 "Update split " + splitName + " revision code " 22738 + after.splitRevisionCodes[i] + " is older than current " 22739 + before.splitRevisionCodes[j]); 22740 } 22741 } 22742 } 22743 } 22744 } 22745 } 22746 22747 private static class MoveCallbacks extends Handler { 22748 private static final int MSG_CREATED = 1; 22749 private static final int MSG_STATUS_CHANGED = 2; 22750 22751 private final RemoteCallbackList<IPackageMoveObserver> 22752 mCallbacks = new RemoteCallbackList<>(); 22753 22754 private final SparseIntArray mLastStatus = new SparseIntArray(); 22755 22756 public MoveCallbacks(Looper looper) { 22757 super(looper); 22758 } 22759 22760 public void register(IPackageMoveObserver callback) { 22761 mCallbacks.register(callback); 22762 } 22763 22764 public void unregister(IPackageMoveObserver callback) { 22765 mCallbacks.unregister(callback); 22766 } 22767 22768 @Override 22769 public void handleMessage(Message msg) { 22770 final SomeArgs args = (SomeArgs) msg.obj; 22771 final int n = mCallbacks.beginBroadcast(); 22772 for (int i = 0; i < n; i++) { 22773 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 22774 try { 22775 invokeCallback(callback, msg.what, args); 22776 } catch (RemoteException ignored) { 22777 } 22778 } 22779 mCallbacks.finishBroadcast(); 22780 args.recycle(); 22781 } 22782 22783 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 22784 throws RemoteException { 22785 switch (what) { 22786 case MSG_CREATED: { 22787 callback.onCreated(args.argi1, (Bundle) args.arg2); 22788 break; 22789 } 22790 case MSG_STATUS_CHANGED: { 22791 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 22792 break; 22793 } 22794 } 22795 } 22796 22797 private void notifyCreated(int moveId, Bundle extras) { 22798 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 22799 22800 final SomeArgs args = SomeArgs.obtain(); 22801 args.argi1 = moveId; 22802 args.arg2 = extras; 22803 obtainMessage(MSG_CREATED, args).sendToTarget(); 22804 } 22805 22806 private void notifyStatusChanged(int moveId, int status) { 22807 notifyStatusChanged(moveId, status, -1); 22808 } 22809 22810 private void notifyStatusChanged(int moveId, int status, long estMillis) { 22811 Slog.v(TAG, "Move " + moveId + " status " + status); 22812 22813 final SomeArgs args = SomeArgs.obtain(); 22814 args.argi1 = moveId; 22815 args.argi2 = status; 22816 args.arg3 = estMillis; 22817 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 22818 22819 synchronized (mLastStatus) { 22820 mLastStatus.put(moveId, status); 22821 } 22822 } 22823 } 22824 22825 private final static class OnPermissionChangeListeners extends Handler { 22826 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 22827 22828 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 22829 new RemoteCallbackList<>(); 22830 22831 public OnPermissionChangeListeners(Looper looper) { 22832 super(looper); 22833 } 22834 22835 @Override 22836 public void handleMessage(Message msg) { 22837 switch (msg.what) { 22838 case MSG_ON_PERMISSIONS_CHANGED: { 22839 final int uid = msg.arg1; 22840 handleOnPermissionsChanged(uid); 22841 } break; 22842 } 22843 } 22844 22845 public void addListenerLocked(IOnPermissionsChangeListener listener) { 22846 mPermissionListeners.register(listener); 22847 22848 } 22849 22850 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 22851 mPermissionListeners.unregister(listener); 22852 } 22853 22854 public void onPermissionsChanged(int uid) { 22855 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 22856 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 22857 } 22858 } 22859 22860 private void handleOnPermissionsChanged(int uid) { 22861 final int count = mPermissionListeners.beginBroadcast(); 22862 try { 22863 for (int i = 0; i < count; i++) { 22864 IOnPermissionsChangeListener callback = mPermissionListeners 22865 .getBroadcastItem(i); 22866 try { 22867 callback.onPermissionsChanged(uid); 22868 } catch (RemoteException e) { 22869 Log.e(TAG, "Permission listener is dead", e); 22870 } 22871 } 22872 } finally { 22873 mPermissionListeners.finishBroadcast(); 22874 } 22875 } 22876 } 22877 22878 private class PackageManagerInternalImpl extends PackageManagerInternal { 22879 @Override 22880 public void setLocationPackagesProvider(PackagesProvider provider) { 22881 synchronized (mPackages) { 22882 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 22883 } 22884 } 22885 22886 @Override 22887 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 22888 synchronized (mPackages) { 22889 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 22890 } 22891 } 22892 22893 @Override 22894 public void setSmsAppPackagesProvider(PackagesProvider provider) { 22895 synchronized (mPackages) { 22896 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 22897 } 22898 } 22899 22900 @Override 22901 public void setDialerAppPackagesProvider(PackagesProvider provider) { 22902 synchronized (mPackages) { 22903 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 22904 } 22905 } 22906 22907 @Override 22908 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 22909 synchronized (mPackages) { 22910 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 22911 } 22912 } 22913 22914 @Override 22915 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 22916 synchronized (mPackages) { 22917 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 22918 } 22919 } 22920 22921 @Override 22922 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 22923 synchronized (mPackages) { 22924 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 22925 packageName, userId); 22926 } 22927 } 22928 22929 @Override 22930 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 22931 synchronized (mPackages) { 22932 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 22933 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 22934 packageName, userId); 22935 } 22936 } 22937 22938 @Override 22939 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 22940 synchronized (mPackages) { 22941 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 22942 packageName, userId); 22943 } 22944 } 22945 22946 @Override 22947 public void setKeepUninstalledPackages(final List<String> packageList) { 22948 Preconditions.checkNotNull(packageList); 22949 List<String> removedFromList = null; 22950 synchronized (mPackages) { 22951 if (mKeepUninstalledPackages != null) { 22952 final int packagesCount = mKeepUninstalledPackages.size(); 22953 for (int i = 0; i < packagesCount; i++) { 22954 String oldPackage = mKeepUninstalledPackages.get(i); 22955 if (packageList != null && packageList.contains(oldPackage)) { 22956 continue; 22957 } 22958 if (removedFromList == null) { 22959 removedFromList = new ArrayList<>(); 22960 } 22961 removedFromList.add(oldPackage); 22962 } 22963 } 22964 mKeepUninstalledPackages = new ArrayList<>(packageList); 22965 if (removedFromList != null) { 22966 final int removedCount = removedFromList.size(); 22967 for (int i = 0; i < removedCount; i++) { 22968 deletePackageIfUnusedLPr(removedFromList.get(i)); 22969 } 22970 } 22971 } 22972 } 22973 22974 @Override 22975 public boolean isPermissionsReviewRequired(String packageName, int userId) { 22976 synchronized (mPackages) { 22977 // If we do not support permission review, done. 22978 if (!mPermissionReviewRequired) { 22979 return false; 22980 } 22981 22982 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 22983 if (packageSetting == null) { 22984 return false; 22985 } 22986 22987 // Permission review applies only to apps not supporting the new permission model. 22988 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 22989 return false; 22990 } 22991 22992 // Legacy apps have the permission and get user consent on launch. 22993 PermissionsState permissionsState = packageSetting.getPermissionsState(); 22994 return permissionsState.isPermissionReviewRequired(userId); 22995 } 22996 } 22997 22998 @Override 22999 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 23000 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 23001 } 23002 23003 @Override 23004 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 23005 int userId) { 23006 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 23007 } 23008 23009 @Override 23010 public void setDeviceAndProfileOwnerPackages( 23011 int deviceOwnerUserId, String deviceOwnerPackage, 23012 SparseArray<String> profileOwnerPackages) { 23013 mProtectedPackages.setDeviceAndProfileOwnerPackages( 23014 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 23015 } 23016 23017 @Override 23018 public boolean isPackageDataProtected(int userId, String packageName) { 23019 return mProtectedPackages.isPackageDataProtected(userId, packageName); 23020 } 23021 23022 @Override 23023 public boolean isPackageEphemeral(int userId, String packageName) { 23024 synchronized (mPackages) { 23025 final PackageSetting ps = mSettings.mPackages.get(packageName); 23026 return ps != null ? ps.getInstantApp(userId) : false; 23027 } 23028 } 23029 23030 @Override 23031 public boolean wasPackageEverLaunched(String packageName, int userId) { 23032 synchronized (mPackages) { 23033 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 23034 } 23035 } 23036 23037 @Override 23038 public void grantRuntimePermission(String packageName, String name, int userId, 23039 boolean overridePolicy) { 23040 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 23041 overridePolicy); 23042 } 23043 23044 @Override 23045 public void revokeRuntimePermission(String packageName, String name, int userId, 23046 boolean overridePolicy) { 23047 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 23048 overridePolicy); 23049 } 23050 23051 @Override 23052 public String getNameForUid(int uid) { 23053 return PackageManagerService.this.getNameForUid(uid); 23054 } 23055 23056 @Override 23057 public void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 23058 Intent origIntent, String resolvedType, String callingPackage, int userId) { 23059 PackageManagerService.this.requestInstantAppResolutionPhaseTwo( 23060 responseObj, origIntent, resolvedType, callingPackage, userId); 23061 } 23062 23063 @Override 23064 public void grantEphemeralAccess(int userId, Intent intent, 23065 int targetAppId, int ephemeralAppId) { 23066 synchronized (mPackages) { 23067 mInstantAppRegistry.grantInstantAccessLPw(userId, intent, 23068 targetAppId, ephemeralAppId); 23069 } 23070 } 23071 23072 @Override 23073 public void pruneInstantApps() { 23074 synchronized (mPackages) { 23075 mInstantAppRegistry.pruneInstantAppsLPw(); 23076 } 23077 } 23078 23079 @Override 23080 public String getSetupWizardPackageName() { 23081 return mSetupWizardPackage; 23082 } 23083 23084 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 23085 if (policy != null) { 23086 mExternalSourcesPolicy = policy; 23087 } 23088 } 23089 23090 @Override 23091 public boolean isPackagePersistent(String packageName) { 23092 synchronized (mPackages) { 23093 PackageParser.Package pkg = mPackages.get(packageName); 23094 return pkg != null 23095 ? ((pkg.applicationInfo.flags&(ApplicationInfo.FLAG_SYSTEM 23096 | ApplicationInfo.FLAG_PERSISTENT)) == 23097 (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_PERSISTENT)) 23098 : false; 23099 } 23100 } 23101 23102 @Override 23103 public List<PackageInfo> getOverlayPackages(int userId) { 23104 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 23105 synchronized (mPackages) { 23106 for (PackageParser.Package p : mPackages.values()) { 23107 if (p.mOverlayTarget != null) { 23108 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 23109 if (pkg != null) { 23110 overlayPackages.add(pkg); 23111 } 23112 } 23113 } 23114 } 23115 return overlayPackages; 23116 } 23117 23118 @Override 23119 public List<String> getTargetPackageNames(int userId) { 23120 List<String> targetPackages = new ArrayList<>(); 23121 synchronized (mPackages) { 23122 for (PackageParser.Package p : mPackages.values()) { 23123 if (p.mOverlayTarget == null) { 23124 targetPackages.add(p.packageName); 23125 } 23126 } 23127 } 23128 return targetPackages; 23129 } 23130 23131 @Override 23132 public boolean setEnabledOverlayPackages(int userId, @NonNull String targetPackageName, 23133 @Nullable List<String> overlayPackageNames) { 23134 synchronized (mPackages) { 23135 if (targetPackageName == null || mPackages.get(targetPackageName) == null) { 23136 Slog.e(TAG, "failed to find package " + targetPackageName); 23137 return false; 23138 } 23139 23140 ArrayList<String> paths = null; 23141 if (overlayPackageNames != null) { 23142 final int N = overlayPackageNames.size(); 23143 paths = new ArrayList<String>(N); 23144 for (int i = 0; i < N; i++) { 23145 final String packageName = overlayPackageNames.get(i); 23146 final PackageParser.Package pkg = mPackages.get(packageName); 23147 if (pkg == null) { 23148 Slog.e(TAG, "failed to find package " + packageName); 23149 return false; 23150 } 23151 paths.add(pkg.baseCodePath); 23152 } 23153 } 23154 23155 ArrayMap<String, ArrayList<String>> userSpecificOverlays = 23156 mEnabledOverlayPaths.get(userId); 23157 if (userSpecificOverlays == null) { 23158 userSpecificOverlays = new ArrayMap<String, ArrayList<String>>(); 23159 mEnabledOverlayPaths.put(userId, userSpecificOverlays); 23160 } 23161 23162 if (paths != null && paths.size() > 0) { 23163 userSpecificOverlays.put(targetPackageName, paths); 23164 } else { 23165 userSpecificOverlays.remove(targetPackageName); 23166 } 23167 return true; 23168 } 23169 } 23170 23171 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 23172 int flags, int userId) { 23173 return resolveIntentInternal( 23174 intent, resolvedType, flags, userId, true /*includeInstantApp*/); 23175 } 23176 } 23177 23178 @Override 23179 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 23180 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 23181 synchronized (mPackages) { 23182 final long identity = Binder.clearCallingIdentity(); 23183 try { 23184 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 23185 packageNames, userId); 23186 } finally { 23187 Binder.restoreCallingIdentity(identity); 23188 } 23189 } 23190 } 23191 23192 @Override 23193 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 23194 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 23195 synchronized (mPackages) { 23196 final long identity = Binder.clearCallingIdentity(); 23197 try { 23198 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServicesLPr( 23199 packageNames, userId); 23200 } finally { 23201 Binder.restoreCallingIdentity(identity); 23202 } 23203 } 23204 } 23205 23206 private static void enforceSystemOrPhoneCaller(String tag) { 23207 int callingUid = Binder.getCallingUid(); 23208 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 23209 throw new SecurityException( 23210 "Cannot call " + tag + " from UID " + callingUid); 23211 } 23212 } 23213 23214 boolean isHistoricalPackageUsageAvailable() { 23215 return mPackageUsage.isHistoricalPackageUsageAvailable(); 23216 } 23217 23218 /** 23219 * Return a <b>copy</b> of the collection of packages known to the package manager. 23220 * @return A copy of the values of mPackages. 23221 */ 23222 Collection<PackageParser.Package> getPackages() { 23223 synchronized (mPackages) { 23224 return new ArrayList<>(mPackages.values()); 23225 } 23226 } 23227 23228 /** 23229 * Logs process start information (including base APK hash) to the security log. 23230 * @hide 23231 */ 23232 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 23233 String apkFile, int pid) { 23234 if (!SecurityLog.isLoggingEnabled()) { 23235 return; 23236 } 23237 Bundle data = new Bundle(); 23238 data.putLong("startTimestamp", System.currentTimeMillis()); 23239 data.putString("processName", processName); 23240 data.putInt("uid", uid); 23241 data.putString("seinfo", seinfo); 23242 data.putString("apkFile", apkFile); 23243 data.putInt("pid", pid); 23244 Message msg = mProcessLoggingHandler.obtainMessage( 23245 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 23246 msg.setData(data); 23247 mProcessLoggingHandler.sendMessage(msg); 23248 } 23249 23250 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 23251 return mCompilerStats.getPackageStats(pkgName); 23252 } 23253 23254 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 23255 return getOrCreateCompilerPackageStats(pkg.packageName); 23256 } 23257 23258 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 23259 return mCompilerStats.getOrCreatePackageStats(pkgName); 23260 } 23261 23262 public void deleteCompilerPackageStats(String pkgName) { 23263 mCompilerStats.deletePackageStats(pkgName); 23264 } 23265 23266 @Override 23267 public int getInstallReason(String packageName, int userId) { 23268 enforceCrossUserPermission(Binder.getCallingUid(), userId, 23269 true /* requireFullPermission */, false /* checkShell */, 23270 "get install reason"); 23271 synchronized (mPackages) { 23272 final PackageSetting ps = mSettings.mPackages.get(packageName); 23273 if (ps != null) { 23274 return ps.getInstallReason(userId); 23275 } 23276 } 23277 return PackageManager.INSTALL_REASON_UNKNOWN; 23278 } 23279 23280 @Override 23281 public boolean canRequestPackageInstalls(String packageName, int userId) { 23282 int callingUid = Binder.getCallingUid(); 23283 int uid = getPackageUid(packageName, 0, userId); 23284 if (callingUid != uid && callingUid != Process.ROOT_UID 23285 && callingUid != Process.SYSTEM_UID) { 23286 throw new SecurityException( 23287 "Caller uid " + callingUid + " does not own package " + packageName); 23288 } 23289 ApplicationInfo info = getApplicationInfo(packageName, 0, userId); 23290 if (info == null) { 23291 return false; 23292 } 23293 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 23294 throw new UnsupportedOperationException( 23295 "Operation only supported on apps targeting Android O or higher"); 23296 } 23297 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 23298 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 23299 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 23300 throw new SecurityException("Need to declare " + appOpPermission + " to call this api"); 23301 } 23302 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 23303 return false; 23304 } 23305 if (mExternalSourcesPolicy != null) { 23306 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 23307 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 23308 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 23309 } 23310 } 23311 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 23312 } 23313} 23314